1324 files changed, 119148 insertions, 21676 deletions

diff --git a/.gitignore b/.gitignore
index fe504482b3..6acab19251 100644
--- a/.gitignore
+++ b/.gitignore
@@ -316,3 +316,10 @@ platform/windows/godot_res.res
 
 # Scons progress indicator
 .scons_node_count
+
+# ccls cache (https://github.com/MaskRay/ccls)
+.ccls-cache/
+
+# compile commands (https://clang.llvm.org/docs/JSONCompilationDatabase.html)
+compile_commands.json
+
diff --git a/.travis.yml b/.travis.yml
index 65565db6f1..727567b8e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ matrix:
           packages:
             - clang-format-6.0
 
-    - env: PLATFORM=x11 TOOLS=yes TARGET=debug CACHE_NAME=${PLATFORM}-tools-mono-gcc-8 MATRIX_EVAL="CC=gcc-8 && CXX=g++-8" EXTRA_ARGS="module_mono_enabled=yes mono_glue=no werror=yes"
+    - env: PLATFORM=x11 TOOLS=yes TARGET=debug CACHE_NAME=${PLATFORM}-tools-mono-gcc-8 MATRIX_EVAL="CC=gcc-8 && CXX=g++-8" EXTRA_ARGS="module_mono_enabled=yes mono_glue=no warnings=extra werror=yes"
       os: linux
       compiler: gcc-8
       addons:
@@ -49,7 +49,7 @@ matrix:
           build_command: "scons p=x11 -j2 $OPTIONS"
           branch_pattern: coverity_scan
 
-    - env: PLATFORM=x11 TOOLS=no TARGET=release CACHE_NAME=${PLATFORM}-clang EXTRA_ARGS="werror=yes"
+    - env: PLATFORM=x11 TOOLS=no TARGET=release CACHE_NAME=${PLATFORM}-clang EXTRA_ARGS="warnings=extra werror=yes"
       os: linux
       compiler: clang
       addons:
@@ -57,7 +57,7 @@ matrix:
           packages:
             - *linux_deps
 
-    - env: PLATFORM=android TOOLS=no TARGET=release_debug CACHE_NAME=${PLATFORM}-clang EXTRA_ARGS="werror=yes"
+    - env: PLATFORM=android TOOLS=no TARGET=release_debug CACHE_NAME=${PLATFORM}-clang EXTRA_ARGS="warnings=extra werror=yes"
       os: linux
       compiler: clang
 
@@ -69,7 +69,7 @@ matrix:
       os: osx
       compiler: clang
 
-    - env: PLATFORM=server TOOLS=yes TARGET=release_debug CACHE_NAME=${PLATFORM}-tools-gcc-8 MATRIX_EVAL="CC=gcc-8 && CXX=g++-8" EXTRA_ARGS="werror=yes"
+    - env: PLATFORM=server TOOLS=yes TARGET=release_debug CACHE_NAME=${PLATFORM}-tools-gcc-8 MATRIX_EVAL="CC=gcc-8 && CXX=g++-8" EXTRA_ARGS="warnings=extra werror=yes"
       os: linux
       compiler: gcc-8
       addons:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b111eca07d..060a270426 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
-## [Unreleased]
+## [3.1] - 2019-03-13
 
 ### Added
 
@@ -23,6 +23,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
   - Support for RayCast shapes in kinematic bodies.
   - Support for synchronizing kinematic movement to physics, avoiding an one-frame delay.
 - WebSockets support using [libwebsockets](https://libwebsockets.org/).
+- UPnP support using [MiniUPnP](http://miniupnp.free.fr).
 - [Revamped inspector.](https://godotengine.org/article/godot-gets-new-inspector)
   - Improved visualization and editing of numeric properties.
   - Vector and matrix types can now be edited directly (no pop-ups).
@@ -128,6 +129,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Universal translation of touch input to mouse input.
 - AudioStreamPlayer, AudioStreamPlayer2D, and AudioStreamPlayer3D now have a pitch scale property.
 - Support for MIDI input.
+- Support for audio capture from microphones.
 - `GROW_DIRECTION_BOTH` for Controls.
 - Selected tiles can be moved in the tile map editor.
 - The editor can now be configured to display the project window on the previous or next monitor (relative to the editor).
@@ -165,6 +167,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 - [Built-in vector types now use copy-on-write mode as originally intended](https://godotengine.org/article/why-we-broke-your-pr), resulting in increased engine performance.
 - The [mbedtls](https://tls.mbed.org/) library is now used instead of OpenSSL.
+- [Renamed several core files](https://github.com/godotengine/godot/pull/25821).
+  - Third-party modules may have to be updated to reflect this.
 - SSL certificates are now bundled in exported projects unless a custom bundle is specified.
 - Improved buffer writing performance on Windows and Linux.
 - Removed many debugging prints in the console.
@@ -183,10 +187,17 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Text editor themes are now sorted alphabetically in the selection dropdown.
 - The 3D manipulator gizmo now has a smoother, more detailed appearance.
 - The 3D viewport menu button now has a background to make it easier to read.
+- QuadMeshes are now built using two triangles (6 vertices) instead of one quad (4 vertices).
+  - This was done because quads are deprecated in OpenGL.
 - Controls inside containers are no longer movable or resizable but can still be selected.
 - The `is` GDScript keyword can now be used to compare a value against built-in types.
+- Exported variables with type hints are now always initialized.
+  - For example, `export(int) var a` will be initialized to `0`.
 - Named enums in GDScript no longer create script constants.
   - This means `enum Name { VALUE }` must now be accessed with `Name.VALUE` instead of `VALUE`.
+- Cyclic references to other scripts with `preload()` are no longer allowed.
+  - `load()` should be used in at least one of the scripts instead.
+- `switch`, `case` and `do` are no longer reserved identifiers in GDScript.
 - Shadowing variables from parent scopes is no longer allowed in GDScript.
 - Function parameters' default values can no longer depend on other parameters in GDScript.
 - Indentation guides are now displayed in a more subtle way in the script editor.
@@ -209,6 +220,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Removed
 
+- Removed the RtAudio backend on Windows in favor of WASAPI, which is the default since 3.0.
 - **macOS:** Support for 32-bit and fat binaries.
 
 ### Fixed
@@ -220,6 +232,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - The animation editor time offset indicator no longer "walks" when resizing the editor.
 - Allow creation of a built-in GDScript file even if the filename suggested already exists.
 - Show tooltips in the editor when physics object picking is disabled.
+- Button shortcuts can now be triggered by gamepad buttons.
 - Fix a serialization bug that could cause TSCN files to grow very large.
 - Gizmos are now properly hidden on scene load if the object they control is hidden.
 - Camera gizmos in the 3D viewport no longer look twice as wide as they actually are.
@@ -231,6 +244,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - The Visual Studio Code external editor option now recognizes more binary names such as `code-oss`, making detection more reliable.
 - The `-ffast-math` flag is no longer used when compiling Godot, resulting in increased floating-point determinism.
 - Fix spelling of `apply_torque_impulse()` and deprecate the misspelled method.
+- Escape sequences like `\n` and `\t` are now recognized in CSV translation files.
 - Remove spurious errors when using a PanoramaSky without textures.
 - The lightmap baker will now use all available cores on Windows.
 - Bullet physics now correctly calculates effective gravity on KinematicBodies.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 04e42d14b6..4c4a8a37a6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -18,7 +18,7 @@ each of them.
 Everything referred to hereafter as "bug" also applies for feature requests.
 
 If you are reporting a new issue, you will make our life much simpler (and the
-fix come much sooner) by following those guidelines:
+fix come much sooner) by following these guidelines:
 
 #### Search first in the existing database
 
diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
index 8b263a2d2c..d28aabd0a6 100644
--- a/COPYRIGHT.txt
+++ b/COPYRIGHT.txt
@@ -110,6 +110,11 @@ Copyright: 2007, Starbreeze Studios
  2014-2019, Godot Engine contributors.
 License: Expat and Zlib
 
+Files: ./thirdparty/assimp/
+Comment: Open Asset Import Library (assimp)
+Copyright: 2006-2016, assimp team
+License: BSD-3-clause
+
 Files: ./thirdparty/b2d_convexdecomp/
 Comment: Box2D (ConvexDecomp)
 Copyright: 2007, Eric Jordan
diff --git a/SConstruct b/SConstruct
index 55b061a6f7..1271156a28 100644
--- a/SConstruct
+++ b/SConstruct
@@ -342,12 +342,18 @@ if selected_platform in platform_list:
         shadow_local_warning = []
         all_plus_warnings = ['-Wwrite-strings']
 
-        if methods.use_gcc(env):
+        if methods.using_gcc(env):
             version = methods.get_compiler_version(env)
             if version != None and version[0] >= '7':
                 shadow_local_warning = ['-Wshadow-local']
+
         if (env["warnings"] == 'extra'):
-            env.Append(CCFLAGS=['-Wall', '-Wextra'] + all_plus_warnings + shadow_local_warning)
+            # FIXME: enable -Wclobbered once #26351 is fixed
+            # Note: enable -Wimplicit-fallthrough for Clang (already part of -Wextra for GCC)
+            # once we switch to C++11 or later (necessary for our FALLTHROUGH macro).
+            env.Append(CCFLAGS=['-Wall', '-Wextra', '-Wno-unused-parameter'] + all_plus_warnings + shadow_local_warning)
+            if methods.using_gcc(env):
+                env['CCFLAGS'] += ['-Wno-clobbered']
         elif (env["warnings"] == 'all'):
             env.Append(CCFLAGS=['-Wall'] + shadow_local_warning)
         elif (env["warnings"] == 'moderate'):
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index f6828ea76a..67de156fc3 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -792,7 +792,7 @@ Dictionary _OS::get_datetime_from_unix_time(int64_t unix_time_val) const {
 
 	size_t imonth = 0;
 
-	while (dayno >= MONTH_DAYS_TABLE[LEAPYEAR(year)][imonth]) {
+	while ((unsigned long)dayno >= MONTH_DAYS_TABLE[LEAPYEAR(year)][imonth]) {
 		dayno -= MONTH_DAYS_TABLE[LEAPYEAR(year)][imonth];
 		imonth++;
 	}
@@ -1093,6 +1093,11 @@ void _OS::alert(const String &p_alert, const String &p_title) {
 	OS::get_singleton()->alert(p_alert, p_title);
 }
 
+bool _OS::request_permission(const String &p_name) {
+
+	return OS::get_singleton()->request_permission(p_name);
+}
+
 _OS *_OS::singleton = NULL;
 
 void _OS::_bind_methods() {
@@ -1265,6 +1270,8 @@ void _OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_power_seconds_left"), &_OS::get_power_seconds_left);
 	ClassDB::bind_method(D_METHOD("get_power_percent_left"), &_OS::get_power_percent_left);
 
+	ClassDB::bind_method(D_METHOD("request_permission", "name"), &_OS::request_permission);
+
 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "clipboard"), "set_clipboard", "get_clipboard");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "current_screen"), "set_current_screen", "get_current_screen");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "exit_code"), "set_exit_code", "get_exit_code");
@@ -1901,18 +1908,18 @@ bool _File::file_exists(const String &p_name) const {
 	return FileAccess::exists(p_name);
 }
 
-void _File::store_var(const Variant &p_var) {
+void _File::store_var(const Variant &p_var, bool p_full_objects) {
 
 	ERR_FAIL_COND(!f);
 	int len;
-	Error err = encode_variant(p_var, NULL, len);
+	Error err = encode_variant(p_var, NULL, len, p_full_objects);
 	ERR_FAIL_COND(err != OK);
 
 	PoolVector<uint8_t> buff;
 	buff.resize(len);
 	PoolVector<uint8_t>::Write w = buff.write();
 
-	err = encode_variant(p_var, &w[0], len);
+	err = encode_variant(p_var, &w[0], len, p_full_objects);
 	ERR_FAIL_COND(err != OK);
 	w = PoolVector<uint8_t>::Write();
 
@@ -1920,7 +1927,7 @@ void _File::store_var(const Variant &p_var) {
 	store_buffer(buff);
 }
 
-Variant _File::get_var() const {
+Variant _File::get_var(bool p_allow_objects) const {
 
 	ERR_FAIL_COND_V(!f, Variant());
 	uint32_t len = get_32();
@@ -1930,7 +1937,7 @@ Variant _File::get_var() const {
 	PoolVector<uint8_t>::Read r = buff.read();
 
 	Variant v;
-	Error err = decode_variant(v, &r[0], len);
+	Error err = decode_variant(v, &r[0], len, NULL, p_allow_objects);
 	ERR_FAIL_COND_V(err != OK, Variant());
 
 	return v;
@@ -1973,7 +1980,7 @@ void _File::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_endian_swap"), &_File::get_endian_swap);
 	ClassDB::bind_method(D_METHOD("set_endian_swap", "enable"), &_File::set_endian_swap);
 	ClassDB::bind_method(D_METHOD("get_error"), &_File::get_error);
-	ClassDB::bind_method(D_METHOD("get_var"), &_File::get_var);
+	ClassDB::bind_method(D_METHOD("get_var", "allow_objects"), &_File::get_var, DEFVAL(false));
 
 	ClassDB::bind_method(D_METHOD("store_8", "value"), &_File::store_8);
 	ClassDB::bind_method(D_METHOD("store_16", "value"), &_File::store_16);
@@ -1986,7 +1993,7 @@ void _File::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("store_line", "line"), &_File::store_line);
 	ClassDB::bind_method(D_METHOD("store_csv_line", "values", "delim"), &_File::store_csv_line, DEFVAL(","));
 	ClassDB::bind_method(D_METHOD("store_string", "string"), &_File::store_string);
-	ClassDB::bind_method(D_METHOD("store_var", "value"), &_File::store_var);
+	ClassDB::bind_method(D_METHOD("store_var", "value", "full_objects"), &_File::store_var, DEFVAL(false));
 
 	ClassDB::bind_method(D_METHOD("store_pascal_string", "string"), &_File::store_pascal_string);
 	ClassDB::bind_method(D_METHOD("get_pascal_string"), &_File::get_pascal_string);
@@ -2216,17 +2223,17 @@ _Marshalls *_Marshalls::get_singleton() {
 	return singleton;
 }
 
-String _Marshalls::variant_to_base64(const Variant &p_var) {
+String _Marshalls::variant_to_base64(const Variant &p_var, bool p_full_objects) {
 
 	int len;
-	Error err = encode_variant(p_var, NULL, len);
+	Error err = encode_variant(p_var, NULL, len, p_full_objects);
 	ERR_FAIL_COND_V(err != OK, "");
 
 	PoolVector<uint8_t> buff;
 	buff.resize(len);
 	PoolVector<uint8_t>::Write w = buff.write();
 
-	err = encode_variant(p_var, &w[0], len);
+	err = encode_variant(p_var, &w[0], len, p_full_objects);
 	ERR_FAIL_COND_V(err != OK, "");
 
 	int b64len = len / 3 * 4 + 4 + 1;
@@ -2242,7 +2249,7 @@ String _Marshalls::variant_to_base64(const Variant &p_var) {
 	return ret;
 };
 
-Variant _Marshalls::base64_to_variant(const String &p_str) {
+Variant _Marshalls::base64_to_variant(const String &p_str, bool p_allow_objects) {
 
 	int strlen = p_str.length();
 	CharString cstr = p_str.ascii();
@@ -2254,7 +2261,7 @@ Variant _Marshalls::base64_to_variant(const String &p_str) {
 	int len = base64_decode((char *)(&w[0]), (char *)cstr.get_data(), strlen);
 
 	Variant v;
-	Error err = decode_variant(v, &w[0], len);
+	Error err = decode_variant(v, &w[0], len, NULL, p_allow_objects);
 	ERR_FAIL_COND_V(err != OK, Variant());
 
 	return v;
@@ -2333,8 +2340,8 @@ String _Marshalls::base64_to_utf8(const String &p_str) {
 
 void _Marshalls::_bind_methods() {
 
-	ClassDB::bind_method(D_METHOD("variant_to_base64", "variant"), &_Marshalls::variant_to_base64);
-	ClassDB::bind_method(D_METHOD("base64_to_variant", "base64_str"), &_Marshalls::base64_to_variant);
+	ClassDB::bind_method(D_METHOD("variant_to_base64", "variant", "full_objects"), &_Marshalls::variant_to_base64, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("base64_to_variant", "base64_str", "allow_objects"), &_Marshalls::base64_to_variant, DEFVAL(false));
 
 	ClassDB::bind_method(D_METHOD("raw_to_base64", "array"), &_Marshalls::raw_to_base64);
 	ClassDB::bind_method(D_METHOD("base64_to_raw", "base64_str"), &_Marshalls::base64_to_raw);
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index f3bc4644d8..1c26d9b144 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -356,6 +356,8 @@ public:
 
 	bool has_feature(const String &p_feature) const;
 
+	bool request_permission(const String &p_name);
+
 	static _OS *get_singleton() { return singleton; }
 
 	_OS();
@@ -461,7 +463,7 @@ public:
 	double get_double() const;
 	real_t get_real() const;
 
-	Variant get_var() const;
+	Variant get_var(bool p_allow_objects = false) const;
 
 	PoolVector<uint8_t> get_buffer(int p_length) const; ///< get an array of bytes
 	String get_line() const;
@@ -498,7 +500,7 @@ public:
 
 	void store_buffer(const PoolVector<uint8_t> &p_buffer); ///< store an array of bytes
 
-	void store_var(const Variant &p_var);
+	void store_var(const Variant &p_var, bool p_full_objects = false);
 
 	bool file_exists(const String &p_name) const; ///< return true if a file exists
 
@@ -567,8 +569,8 @@ protected:
 public:
 	static _Marshalls *get_singleton();
 
-	String variant_to_base64(const Variant &p_var);
-	Variant base64_to_variant(const String &p_str);
+	String variant_to_base64(const Variant &p_var, bool p_full_objects = false);
+	Variant base64_to_variant(const String &p_str, bool p_allow_objects = false);
 
 	String raw_to_base64(const PoolVector<uint8_t> &p_arr);
 	PoolVector<uint8_t> base64_to_raw(const String &p_str);
diff --git a/core/image.cpp b/core/image.cpp
index 5a287ca50e..f547d7e973 100644
--- a/core/image.cpp
+++ b/core/image.cpp
@@ -735,6 +735,10 @@ static void _overlay(const uint8_t *__restrict p_src, uint8_t *__restrict p_dst,
 	}
 }
 
+bool Image::is_size_po2() const {
+	return uint32_t(width) == next_power_of_2(width) && uint32_t(height) == next_power_of_2(height);
+}
+
 void Image::resize_to_po2(bool p_square) {
 
 	if (!_can_modify(format)) {
diff --git a/core/image.h b/core/image.h
index 872b84d565..69a42f169a 100644
--- a/core/image.h
+++ b/core/image.h
@@ -223,6 +223,7 @@ public:
 	void resize(int p_width, int p_height, Interpolation p_interpolation = INTERPOLATE_BILINEAR);
 	void shrink_x2();
 	void expand_x2_hq2x();
+	bool is_size_po2() const;
 	/**
 	 * Crop the image to a specific size, if larger, then the image is filled by black
 	 */
diff --git a/core/io/file_access_pack.cpp b/core/io/file_access_pack.cpp
index c97b8cafac..d38d09c6bb 100644
--- a/core/io/file_access_pack.cpp
+++ b/core/io/file_access_pack.cpp
@@ -272,7 +272,7 @@ int FileAccessPack::get_buffer(uint8_t *p_dst, int p_length) const {
 	if (eof)
 		return 0;
 
-	int64_t to_read = p_length;
+	uint64_t to_read = p_length;
 	if (to_read + pos > pf.size) {
 		eof = true;
 		to_read = int64_t(pf.size) - int64_t(pos);
diff --git a/core/io/logger.cpp b/core/io/logger.cpp
index eeb82bfce4..9175f6a262 100644
--- a/core/io/logger.cpp
+++ b/core/io/logger.cpp
@@ -39,7 +39,7 @@
 // va_copy, otherwise you have to use the internal version (__va_copy).
 #if !defined(va_copy)
 #if defined(__GNUC__)
-#define va_copy(d, s) __va_copy(d, s)
+#define va_copy(d, s) __va_copy((d), (s))
 #else
 #define va_copy(d, s) ((d) = (s))
 #endif
diff --git a/core/io/marshalls.cpp b/core/io/marshalls.cpp
index 5087a63b68..363460311c 100644
--- a/core/io/marshalls.cpp
+++ b/core/io/marshalls.cpp
@@ -794,7 +794,7 @@ static void _encode_string(const String &p_string, uint8_t *&buf, int &r_len) {
 	}
 }
 
-Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bool p_object_as_id) {
+Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bool p_full_objects) {
 
 	uint8_t *buf = r_buffer;
 
@@ -819,7 +819,7 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 			}
 		} break;
 		case Variant::OBJECT: {
-			if (p_object_as_id) {
+			if (!p_full_objects) {
 				flags |= ENCODE_FLAG_OBJECT_AS_ID;
 			}
 		} break;
@@ -1086,22 +1086,8 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 		} break;
 		case Variant::OBJECT: {
 
-			if (p_object_as_id) {
+			if (p_full_objects) {
 
-				if (buf) {
-
-					Object *obj = p_variant;
-					ObjectID id = 0;
-					if (obj && ObjectDB::instance_validate(obj)) {
-						id = obj->get_instance_id();
-					}
-
-					encode_uint64(id, buf);
-				}
-
-				r_len += 8;
-
-			} else {
 				Object *obj = p_variant;
 				if (!obj) {
 					if (buf) {
@@ -1139,7 +1125,7 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 						_encode_string(E->get().name, buf, r_len);
 
 						int len;
-						Error err = encode_variant(obj->get(E->get().name), buf, len, p_object_as_id);
+						Error err = encode_variant(obj->get(E->get().name), buf, len, p_full_objects);
 						if (err)
 							return err;
 						ERR_FAIL_COND_V(len % 4, ERR_BUG);
@@ -1148,6 +1134,19 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 							buf += len;
 					}
 				}
+			} else {
+				if (buf) {
+
+					Object *obj = p_variant;
+					ObjectID id = 0;
+					if (obj && ObjectDB::instance_validate(obj)) {
+						id = obj->get_instance_id();
+					}
+
+					encode_uint64(id, buf);
+				}
+
+				r_len += 8;
 			}
 
 		} break;
@@ -1180,14 +1179,14 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 					r_len++; //pad
 				*/
 				int len;
-				encode_variant(E->get(), buf, len, p_object_as_id);
+				encode_variant(E->get(), buf, len, p_full_objects);
 				ERR_FAIL_COND_V(len % 4, ERR_BUG);
 				r_len += len;
 				if (buf)
 					buf += len;
 				Variant *v = d.getptr(E->get());
 				ERR_FAIL_COND_V(!v, ERR_BUG);
-				encode_variant(*v, buf, len, p_object_as_id);
+				encode_variant(*v, buf, len, p_full_objects);
 				ERR_FAIL_COND_V(len % 4, ERR_BUG);
 				r_len += len;
 				if (buf)
@@ -1209,7 +1208,7 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 			for (int i = 0; i < v.size(); i++) {
 
 				int len;
-				encode_variant(v.get(i), buf, len, p_object_as_id);
+				encode_variant(v.get(i), buf, len, p_full_objects);
 				ERR_FAIL_COND_V(len % 4, ERR_BUG);
 				r_len += len;
 				if (buf)
diff --git a/core/io/marshalls.h b/core/io/marshalls.h
index 11c4b2c98e..f361c29754 100644
--- a/core/io/marshalls.h
+++ b/core/io/marshalls.h
@@ -199,7 +199,7 @@ public:
 	EncodedObjectAsID();
 };
 
-Error decode_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int *r_len = NULL, bool p_allow_objects = true);
-Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bool p_object_as_id = false);
+Error decode_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int *r_len = NULL, bool p_allow_objects = false);
+Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bool p_full_objects = false);
 
 #endif
diff --git a/core/io/multiplayer_api.cpp b/core/io/multiplayer_api.cpp
index 7680d47620..86382939f1 100644
--- a/core/io/multiplayer_api.cpp
+++ b/core/io/multiplayer_api.cpp
@@ -46,7 +46,8 @@ _FORCE_INLINE_ bool _should_call_local(MultiplayerAPI::RPCMode mode, bool is_mas
 		case MultiplayerAPI::RPC_MODE_MASTERSYNC: {
 			if (is_master)
 				r_skip_rpc = true; // I am the master, so skip remote call.
-		} // Do not break, fall over to other sync.
+			FALLTHROUGH;
+		}
 		case MultiplayerAPI::RPC_MODE_REMOTESYNC:
 		case MultiplayerAPI::RPC_MODE_PUPPETSYNC: {
 			// Call it, sync always results in a local call.
@@ -299,7 +300,7 @@ void MultiplayerAPI::_process_rpc(Node *p_node, const StringName &p_name, int p_
 		ERR_FAIL_COND(p_offset >= p_packet_len);
 
 		int vlen;
-		Error err = decode_variant(args.write[i], &p_packet[p_offset], p_packet_len - p_offset, &vlen);
+		Error err = decode_variant(args.write[i], &p_packet[p_offset], p_packet_len - p_offset, &vlen, allow_object_decoding || network_peer->is_object_decoding_allowed());
 		ERR_EXPLAIN("Invalid packet received. Unable to decode RPC argument.");
 		ERR_FAIL_COND(err != OK);
 
@@ -335,7 +336,7 @@ void MultiplayerAPI::_process_rset(Node *p_node, const StringName &p_name, int p
 	ERR_FAIL_COND(!_can_call_mode(p_node, rset_mode, p_from));
 
 	Variant value;
-	Error err = decode_variant(value, &p_packet[p_offset], p_packet_len - p_offset);
+	Error err = decode_variant(value, &p_packet[p_offset], p_packet_len - p_offset, NULL, allow_object_decoding || network_peer->is_object_decoding_allowed());
 
 	ERR_EXPLAIN("Invalid packet received. Unable to decode RSET value.");
 	ERR_FAIL_COND(err != OK);
@@ -526,11 +527,11 @@ void MultiplayerAPI::_send_rpc(Node *p_from, int p_to, bool p_unreliable, bool p
 
 	if (p_set) {
 		// Set argument.
-		Error err = encode_variant(*p_arg[0], NULL, len);
+		Error err = encode_variant(*p_arg[0], NULL, len, allow_object_decoding || network_peer->is_object_decoding_allowed());
 		ERR_EXPLAIN("Unable to encode RSET value. THIS IS LIKELY A BUG IN THE ENGINE!");
 		ERR_FAIL_COND(err != OK);
 		MAKE_ROOM(ofs + len);
-		encode_variant(*p_arg[0], &(packet_cache.write[ofs]), len);
+		encode_variant(*p_arg[0], &(packet_cache.write[ofs]), len, allow_object_decoding || network_peer->is_object_decoding_allowed());
 		ofs += len;
 
 	} else {
@@ -539,11 +540,11 @@ void MultiplayerAPI::_send_rpc(Node *p_from, int p_to, bool p_unreliable, bool p
 		packet_cache.write[ofs] = p_argcount;
 		ofs += 1;
 		for (int i = 0; i < p_argcount; i++) {
-			Error err = encode_variant(*p_arg[i], NULL, len);
+			Error err = encode_variant(*p_arg[i], NULL, len, allow_object_decoding || network_peer->is_object_decoding_allowed());
 			ERR_EXPLAIN("Unable to encode RPC argument. THIS IS LIKELY A BUG IN THE ENGINE!");
 			ERR_FAIL_COND(err != OK);
 			MAKE_ROOM(ofs + len);
-			encode_variant(*p_arg[i], &(packet_cache.write[ofs]), len);
+			encode_variant(*p_arg[i], &(packet_cache.write[ofs]), len, allow_object_decoding || network_peer->is_object_decoding_allowed());
 			ofs += len;
 		}
 	}
@@ -818,6 +819,16 @@ Vector<int> MultiplayerAPI::get_network_connected_peers() const {
 	return ret;
 }
 
+void MultiplayerAPI::set_allow_object_decoding(bool p_enable) {
+
+	allow_object_decoding = p_enable;
+}
+
+bool MultiplayerAPI::is_object_decoding_allowed() const {
+
+	return allow_object_decoding;
+}
+
 void MultiplayerAPI::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_root_node", "node"), &MultiplayerAPI::set_root_node);
 	ClassDB::bind_method(D_METHOD("send_bytes", "bytes", "id", "mode"), &MultiplayerAPI::send_bytes, DEFVAL(NetworkedMultiplayerPeer::TARGET_PEER_BROADCAST), DEFVAL(NetworkedMultiplayerPeer::TRANSFER_MODE_RELIABLE));
@@ -838,6 +849,10 @@ void MultiplayerAPI::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_network_connected_peers"), &MultiplayerAPI::get_network_connected_peers);
 	ClassDB::bind_method(D_METHOD("set_refuse_new_network_connections", "refuse"), &MultiplayerAPI::set_refuse_new_network_connections);
 	ClassDB::bind_method(D_METHOD("is_refusing_new_network_connections"), &MultiplayerAPI::is_refusing_new_network_connections);
+	ClassDB::bind_method(D_METHOD("set_allow_object_decoding", "enable"), &MultiplayerAPI::set_allow_object_decoding);
+	ClassDB::bind_method(D_METHOD("is_object_decoding_allowed"), &MultiplayerAPI::is_object_decoding_allowed);
+
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_object_decoding"), "set_allow_object_decoding", "is_object_decoding_allowed");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "refuse_new_network_connections"), "set_refuse_new_network_connections", "is_refusing_new_network_connections");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "network_peer", PROPERTY_HINT_RESOURCE_TYPE, "NetworkedMultiplayerPeer", 0), "set_network_peer", "get_network_peer");
 
@@ -859,7 +874,8 @@ void MultiplayerAPI::_bind_methods() {
 	BIND_ENUM_CONSTANT(RPC_MODE_PUPPETSYNC);
 }
 
-MultiplayerAPI::MultiplayerAPI() {
+MultiplayerAPI::MultiplayerAPI() :
+		allow_object_decoding(false) {
 	rpc_sender_id = 0;
 	root_node = NULL;
 	clear();
diff --git a/core/io/multiplayer_api.h b/core/io/multiplayer_api.h
index a9cf77aaba..779dd043bd 100644
--- a/core/io/multiplayer_api.h
+++ b/core/io/multiplayer_api.h
@@ -63,6 +63,7 @@ private:
 	int last_send_cache_id;
 	Vector<uint8_t> packet_cache;
 	Node *root_node;
+	bool allow_object_decoding;
 
 protected:
 	static void _bind_methods();
@@ -126,6 +127,9 @@ public:
 	void set_refuse_new_network_connections(bool p_refuse);
 	bool is_refusing_new_network_connections() const;
 
+	void set_allow_object_decoding(bool p_enable);
+	bool is_object_decoding_allowed() const;
+
 	MultiplayerAPI();
 	~MultiplayerAPI();
 };
diff --git a/core/io/packet_peer.cpp b/core/io/packet_peer.cpp
index d7bfdbbb37..c77c81f9e2 100644
--- a/core/io/packet_peer.cpp
+++ b/core/io/packet_peer.cpp
@@ -79,7 +79,7 @@ Error PacketPeer::put_packet_buffer(const PoolVector<uint8_t> &p_buffer) {
 	return put_packet(&r[0], len);
 }
 
-Error PacketPeer::get_var(Variant &r_variant) {
+Error PacketPeer::get_var(Variant &r_variant, bool p_allow_objects) {
 
 	const uint8_t *buffer;
 	int buffer_size;
@@ -87,13 +87,13 @@ Error PacketPeer::get_var(Variant &r_variant) {
 	if (err)
 		return err;
 
-	return decode_variant(r_variant, buffer, buffer_size, NULL, allow_object_decoding);
+	return decode_variant(r_variant, buffer, buffer_size, NULL, p_allow_objects || allow_object_decoding);
 }
 
-Error PacketPeer::put_var(const Variant &p_packet) {
+Error PacketPeer::put_var(const Variant &p_packet, bool p_full_objects) {
 
 	int len;
-	Error err = encode_variant(p_packet, NULL, len, !allow_object_decoding); // compute len first
+	Error err = encode_variant(p_packet, NULL, len, p_full_objects || allow_object_decoding); // compute len first
 	if (err)
 		return err;
 
@@ -102,15 +102,15 @@ Error PacketPeer::put_var(const Variant &p_packet) {
 
 	uint8_t *buf = (uint8_t *)alloca(len);
 	ERR_FAIL_COND_V(!buf, ERR_OUT_OF_MEMORY);
-	err = encode_variant(p_packet, buf, len, !allow_object_decoding);
+	err = encode_variant(p_packet, buf, len, p_full_objects || allow_object_decoding);
 	ERR_FAIL_COND_V(err, err);
 
 	return put_packet(buf, len);
 }
 
-Variant PacketPeer::_bnd_get_var() {
+Variant PacketPeer::_bnd_get_var(bool p_allow_objects) {
 	Variant var;
-	get_var(var);
+	get_var(var, p_allow_objects);
 
 	return var;
 };
@@ -132,8 +132,8 @@ Error PacketPeer::_get_packet_error() const {
 
 void PacketPeer::_bind_methods() {
 
-	ClassDB::bind_method(D_METHOD("get_var"), &PacketPeer::_bnd_get_var);
-	ClassDB::bind_method(D_METHOD("put_var", "var"), &PacketPeer::put_var);
+	ClassDB::bind_method(D_METHOD("get_var", "allow_objects"), &PacketPeer::_bnd_get_var, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("put_var", "var", "full_objects"), &PacketPeer::put_var, DEFVAL(false));
 	ClassDB::bind_method(D_METHOD("get_packet"), &PacketPeer::_get_packet);
 	ClassDB::bind_method(D_METHOD("put_packet", "buffer"), &PacketPeer::_put_packet);
 	ClassDB::bind_method(D_METHOD("get_packet_error"), &PacketPeer::_get_packet_error);
diff --git a/core/io/packet_peer.h b/core/io/packet_peer.h
index 48c50eb76b..6475e4fed9 100644
--- a/core/io/packet_peer.h
+++ b/core/io/packet_peer.h
@@ -39,8 +39,7 @@ class PacketPeer : public Reference {
 
 	GDCLASS(PacketPeer, Reference);
 
-	Variant _bnd_get_var();
-	void _bnd_put_var(const Variant &p_var);
+	Variant _bnd_get_var(bool p_allow_objects = false);
 
 	static void _bind_methods();
 
@@ -64,8 +63,8 @@ public:
 	virtual Error get_packet_buffer(PoolVector<uint8_t> &r_buffer);
 	virtual Error put_packet_buffer(const PoolVector<uint8_t> &p_buffer);
 
-	virtual Error get_var(Variant &r_variant);
-	virtual Error put_var(const Variant &p_packet);
+	virtual Error get_var(Variant &r_variant, bool p_allow_objects = false);
+	virtual Error put_var(const Variant &p_packet, bool p_full_objects = false);
 
 	void set_allow_object_decoding(bool p_enable);
 	bool is_object_decoding_allowed() const;
diff --git a/core/io/resource_loader.cpp b/core/io/resource_loader.cpp
index c917b9ba28..e4b694b64f 100644
--- a/core/io/resource_loader.cpp
+++ b/core/io/resource_loader.cpp
@@ -946,7 +946,7 @@ void ResourceLoader::add_custom_loaders() {
 	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
 
 		StringName class_name = E->get();
-		StringName base_class = ScriptServer::get_global_class_base(class_name);
+		StringName base_class = ScriptServer::get_global_class_native_base(class_name);
 
 		if (base_class == custom_loader_base_class) {
 			String path = ScriptServer::get_global_class_path(class_name);
diff --git a/core/io/resource_saver.cpp b/core/io/resource_saver.cpp
index c992e2bf94..0cecca904d 100644
--- a/core/io/resource_saver.cpp
+++ b/core/io/resource_saver.cpp
@@ -249,7 +249,7 @@ void ResourceSaver::add_custom_savers() {
 	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
 
 		StringName class_name = E->get();
-		StringName base_class = ScriptServer::get_global_class_base(class_name);
+		StringName base_class = ScriptServer::get_global_class_native_base(class_name);
 
 		if (base_class == custom_saver_base_class) {
 			String path = ScriptServer::get_global_class_path(class_name);
diff --git a/core/io/stream_peer.cpp b/core/io/stream_peer.cpp
index 3042c0f60a..6ad24a5f3a 100644
--- a/core/io/stream_peer.cpp
+++ b/core/io/stream_peer.cpp
@@ -221,14 +221,14 @@ void StreamPeer::put_utf8_string(const String &p_string) {
 	put_u32(cs.length());
 	put_data((const uint8_t *)cs.get_data(), cs.length());
 }
-void StreamPeer::put_var(const Variant &p_variant) {
+void StreamPeer::put_var(const Variant &p_variant, bool p_full_objects) {
 
 	int len = 0;
 	Vector<uint8_t> buf;
-	encode_variant(p_variant, NULL, len);
+	encode_variant(p_variant, NULL, len, p_full_objects);
 	buf.resize(len);
 	put_32(len);
-	encode_variant(p_variant, buf.ptrw(), len);
+	encode_variant(p_variant, buf.ptrw(), len, p_full_objects);
 	put_data(buf.ptr(), buf.size());
 }
 
@@ -359,7 +359,7 @@ String StreamPeer::get_utf8_string(int p_bytes) {
 	ret.parse_utf8((const char *)buf.ptr(), buf.size());
 	return ret;
 }
-Variant StreamPeer::get_var() {
+Variant StreamPeer::get_var(bool p_allow_objects) {
 
 	int len = get_32();
 	Vector<uint8_t> var;
@@ -369,7 +369,7 @@ Variant StreamPeer::get_var() {
 	ERR_FAIL_COND_V(err != OK, Variant());
 
 	Variant ret;
-	decode_variant(ret, var.ptr(), len);
+	decode_variant(ret, var.ptr(), len, NULL, p_allow_objects);
 	return ret;
 }
 
@@ -398,7 +398,7 @@ void StreamPeer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("put_double", "value"), &StreamPeer::put_double);
 	ClassDB::bind_method(D_METHOD("put_string", "value"), &StreamPeer::put_string);
 	ClassDB::bind_method(D_METHOD("put_utf8_string", "value"), &StreamPeer::put_utf8_string);
-	ClassDB::bind_method(D_METHOD("put_var", "value"), &StreamPeer::put_var);
+	ClassDB::bind_method(D_METHOD("put_var", "value", "full_objects"), &StreamPeer::put_var, DEFVAL(false));
 
 	ClassDB::bind_method(D_METHOD("get_8"), &StreamPeer::get_8);
 	ClassDB::bind_method(D_METHOD("get_u8"), &StreamPeer::get_u8);
@@ -412,7 +412,7 @@ void StreamPeer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_double"), &StreamPeer::get_double);
 	ClassDB::bind_method(D_METHOD("get_string", "bytes"), &StreamPeer::get_string, DEFVAL(-1));
 	ClassDB::bind_method(D_METHOD("get_utf8_string", "bytes"), &StreamPeer::get_utf8_string, DEFVAL(-1));
-	ClassDB::bind_method(D_METHOD("get_var"), &StreamPeer::get_var);
+	ClassDB::bind_method(D_METHOD("get_var", "allow_objects"), &StreamPeer::get_var, DEFVAL(false));
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "big_endian"), "set_big_endian", "is_big_endian_enabled");
 }
diff --git a/core/io/stream_peer.h b/core/io/stream_peer.h
index 059ccd016c..65e70995ad 100644
--- a/core/io/stream_peer.h
+++ b/core/io/stream_peer.h
@@ -73,7 +73,7 @@ public:
 	void put_double(double p_val);
 	void put_string(const String &p_string);
 	void put_utf8_string(const String &p_string);
-	void put_var(const Variant &p_variant);
+	void put_var(const Variant &p_variant, bool p_full_objects = false);
 
 	uint8_t get_u8();
 	int8_t get_8();
@@ -87,7 +87,7 @@ public:
 	double get_double();
 	String get_string(int p_bytes = -1);
 	String get_utf8_string(int p_bytes = -1);
-	Variant get_var();
+	Variant get_var(bool p_allow_objects = false);
 
 	StreamPeer() { big_endian = false; }
 };
diff --git a/core/math/basis.cpp b/core/math/basis.cpp
index 8816e3639a..82b2f7006d 100644
--- a/core/math/basis.cpp
+++ b/core/math/basis.cpp
@@ -557,11 +557,23 @@ void Basis::set_euler_yxz(const Vector3 &p_euler) {
 	*this = ymat * xmat * zmat;
 }
 
-bool Basis::is_equal_approx(const Basis &a, const Basis &b) const {
+bool Basis::is_equal_approx(const Basis &a, const Basis &b,real_t p_epsilon) const {
 
 	for (int i = 0; i < 3; i++) {
 		for (int j = 0; j < 3; j++) {
-			if (!Math::is_equal_approx_ratio(a.elements[i][j], b.elements[i][j], UNIT_EPSILON))
+			if (!Math::is_equal_approx(a.elements[i][j], b.elements[i][j], p_epsilon))
+				return false;
+		}
+	}
+
+	return true;
+}
+
+bool Basis::is_equal_approx_ratio(const Basis &a, const Basis &b,real_t p_epsilon) const {
+
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 3; j++) {
+			if (!Math::is_equal_approx_ratio(a.elements[i][j], b.elements[i][j], p_epsilon))
 				return false;
 		}
 	}
@@ -605,12 +617,14 @@ Basis::operator String() const {
 
 Quat Basis::get_quat() const {
 
+#ifdef MATH_CHECKS
+	if (!is_rotation()) {
+		ERR_EXPLAIN("Basis must be normalized in order to be casted to a Quaternion. Use get_rotation_quat() or call orthonormalized() instead.");
+		ERR_FAIL_V(Quat());
+	}
+#endif
 	/* Allow getting a quaternion from an unnormalized transform */
 	Basis m = *this;
-	m.elements[0].normalize();
-	m.elements[1].normalize();
-	m.elements[2].normalize();
-
 	real_t trace = m.elements[0][0] + m.elements[1][1] + m.elements[2][2];
 	real_t temp[4];
 
diff --git a/core/math/basis.h b/core/math/basis.h
index 128e56b494..aa0ddb280f 100644
--- a/core/math/basis.h
+++ b/core/math/basis.h
@@ -133,7 +133,8 @@ public:
 		return elements[0][2] * v[0] + elements[1][2] * v[1] + elements[2][2] * v[2];
 	}
 
-	bool is_equal_approx(const Basis &a, const Basis &b) const;
+	bool is_equal_approx(const Basis &a, const Basis &b, real_t p_epsilon=CMP_EPSILON) const;
+	bool is_equal_approx_ratio(const Basis &a, const Basis &b, real_t p_epsilon=UNIT_EPSILON) const;
 
 	bool operator==(const Basis &p_matrix) const;
 	bool operator!=(const Basis &p_matrix) const;
diff --git a/core/math/expression.cpp b/core/math/expression.cpp
index 99251d80e3..708054e4ab 100644
--- a/core/math/expression.cpp
+++ b/core/math/expression.cpp
@@ -164,10 +164,10 @@ int Expression::get_func_argument_count(BuiltinFunc p_func) {
 		case TEXT_PRINTRAW:
 		case VAR_TO_STR:
 		case STR_TO_VAR:
-		case VAR_TO_BYTES:
-		case BYTES_TO_VAR:
 		case TYPE_EXISTS:
 			return 1;
+		case VAR_TO_BYTES:
+		case BYTES_TO_VAR:
 		case MATH_ATAN2:
 		case MATH_FMOD:
 		case MATH_FPOSMOD:
@@ -696,8 +696,9 @@ void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant
 		case VAR_TO_BYTES: {
 
 			PoolByteArray barr;
+			bool full_objects = *p_inputs[1];
 			int len;
-			Error err = encode_variant(*p_inputs[0], NULL, len);
+			Error err = encode_variant(*p_inputs[0], NULL, len, full_objects);
 			if (err) {
 				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
 				r_error.argument = 0;
@@ -709,7 +710,7 @@ void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant
 			barr.resize(len);
 			{
 				PoolByteArray::Write w = barr.write();
-				encode_variant(*p_inputs[0], w.ptr(), len);
+				encode_variant(*p_inputs[0], w.ptr(), len, full_objects);
 			}
 			*r_return = barr;
 		} break;
@@ -724,10 +725,11 @@ void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant
 			}
 
 			PoolByteArray varr = *p_inputs[0];
+			bool allow_objects = *p_inputs[1];
 			Variant ret;
 			{
 				PoolByteArray::Read r = varr.read();
-				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL);
+				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL, allow_objects);
 				if (err != OK) {
 					r_error_str = RTR("Not enough bytes for decoding bytes, or invalid format.");
 					r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
diff --git a/core/math/geometry.cpp b/core/math/geometry.cpp
index 194a6f6352..a84b5a16c7 100644
--- a/core/math/geometry.cpp
+++ b/core/math/geometry.cpp
@@ -515,7 +515,7 @@ static inline void _build_faces(uint8_t ***p_cell_status, int x, int y, int z, i
 		Vector3(1,1,1),
 	};
 */
-#define vert(m_idx) Vector3((m_idx & 4) >> 2, (m_idx & 2) >> 1, m_idx & 1)
+#define vert(m_idx) Vector3(((m_idx)&4) >> 2, ((m_idx)&2) >> 1, (m_idx)&1)
 
 	static const uint8_t indices[6][4] = {
 		{ 7, 6, 4, 5 },
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index 17112d8940..6ac6839827 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -249,11 +249,11 @@ public:
 	static float random(float from, float to);
 	static real_t random(int from, int to) { return (real_t)random((real_t)from, (real_t)to); }
 
-	static _ALWAYS_INLINE_ bool is_equal_approx_ratio(real_t a, real_t b, real_t epsilon = CMP_EPSILON) {
+	static _ALWAYS_INLINE_ bool is_equal_approx_ratio(real_t a, real_t b, real_t epsilon = CMP_EPSILON, real_t min_epsilon = CMP_EPSILON) {
 		// this is an approximate way to check that numbers are close, as a ratio of their average size
 		// helps compare approximate numbers that may be very big or very small
 		real_t diff = abs(a - b);
-		if (diff == 0.0) {
+		if (diff == 0.0 || diff < min_epsilon) {
 			return true;
 		}
 		real_t avg_size = (abs(a) + abs(b)) / 2.0;
diff --git a/core/math/random_pcg.cpp b/core/math/random_pcg.cpp
index 8bbcca88fe..8351bd138e 100644
--- a/core/math/random_pcg.cpp
+++ b/core/math/random_pcg.cpp
@@ -32,24 +32,24 @@
 
 #include "core/os/os.h"
 
-RandomPCG::RandomPCG(uint64_t seed, uint64_t inc) :
-		pcg() {
-	pcg.state = seed;
-	pcg.inc = inc;
+RandomPCG::RandomPCG(uint64_t p_seed, uint64_t p_inc) :
+		pcg(),
+		current_inc(p_inc) {
+	seed(p_seed);
 }
 
 void RandomPCG::randomize() {
 	seed(OS::get_singleton()->get_ticks_usec() * pcg.state + PCG_DEFAULT_INC_64);
 }
 
-double RandomPCG::random(double from, double to) {
+double RandomPCG::random(double p_from, double p_to) {
 	unsigned int r = rand();
 	double ret = (double)r / (double)RANDOM_MAX;
-	return (ret) * (to - from) + from;
+	return (ret) * (p_to - p_from) + p_from;
 }
 
-float RandomPCG::random(float from, float to) {
+float RandomPCG::random(float p_from, float p_to) {
 	unsigned int r = rand();
 	float ret = (float)r / (float)RANDOM_MAX;
-	return (ret) * (to - from) + from;
+	return (ret) * (p_to - p_from) + p_from;
 }
diff --git a/core/math/random_pcg.h b/core/math/random_pcg.h
index 2a69d43904..cd721ef4d1 100644
--- a/core/math/random_pcg.h
+++ b/core/math/random_pcg.h
@@ -37,28 +37,33 @@
 
 class RandomPCG {
 	pcg32_random_t pcg;
+	uint64_t current_seed; // seed with this to get the same state
+	uint64_t current_inc;
 
 public:
 	static const uint64_t DEFAULT_SEED = 12047754176567800795U;
 	static const uint64_t DEFAULT_INC = PCG_DEFAULT_INC_64;
 	static const uint64_t RANDOM_MAX = 0xFFFFFFFF;
 
-	RandomPCG(uint64_t seed = DEFAULT_SEED, uint64_t inc = PCG_DEFAULT_INC_64);
+	RandomPCG(uint64_t p_seed = DEFAULT_SEED, uint64_t p_inc = DEFAULT_INC);
 
-	_FORCE_INLINE_ void seed(uint64_t seed) {
-		pcg.state = seed;
-		pcg32_random_r(&pcg); // Force changing internal state to avoid initial 0
+	_FORCE_INLINE_ void seed(uint64_t p_seed) {
+		current_seed = p_seed;
+		pcg32_srandom_r(&pcg, current_seed, current_inc);
 	}
-	_FORCE_INLINE_ uint64_t get_seed() { return pcg.state; }
+	_FORCE_INLINE_ uint64_t get_seed() { return current_seed; }
 
 	void randomize();
-	_FORCE_INLINE_ uint32_t rand() { return pcg32_random_r(&pcg); }
+	_FORCE_INLINE_ uint32_t rand() {
+		current_seed = pcg.state;
+		return pcg32_random_r(&pcg);
+	}
 	_FORCE_INLINE_ double randd() { return (double)rand() / (double)RANDOM_MAX; }
 	_FORCE_INLINE_ float randf() { return (float)rand() / (float)RANDOM_MAX; }
 
-	double random(double from, double to);
-	float random(float from, float to);
-	real_t random(int from, int to) { return (real_t)random((real_t)from, (real_t)to); }
+	double random(double p_from, double p_to);
+	float random(float p_from, float p_to);
+	real_t random(int p_from, int p_to) { return (real_t)random((real_t)p_from, (real_t)p_to); }
 };
 
 #endif // RANDOM_PCG_H
diff --git a/core/os/input_event.cpp b/core/os/input_event.cpp
index 40308f4f7d..25a5c2afeb 100644
--- a/core/os/input_event.cpp
+++ b/core/os/input_event.cpp
@@ -33,6 +33,9 @@
 #include "core/input_map.h"
 #include "core/os/keyboard.h"
 
+const int InputEvent::DEVICE_ID_TOUCH_MOUSE = -1;
+const int InputEvent::DEVICE_ID_INTERNAL = -2;
+
 void InputEvent::set_device(int p_device) {
 	device = p_device;
 }
diff --git a/core/os/input_event.h b/core/os/input_event.h
index 47f9293a7f..ba01516519 100644
--- a/core/os/input_event.h
+++ b/core/os/input_event.h
@@ -165,6 +165,9 @@ protected:
 	static void _bind_methods();
 
 public:
+	static const int DEVICE_ID_TOUCH_MOUSE;
+	static const int DEVICE_ID_INTERNAL;
+
 	void set_device(int p_device);
 	int get_device() const;
 
diff --git a/core/os/main_loop.h b/core/os/main_loop.h
index bfdf92acfa..ad734d3fc8 100644
--- a/core/os/main_loop.h
+++ b/core/os/main_loop.h
@@ -51,21 +51,19 @@ protected:
 
 public:
 	enum {
-		NOTIFICATION_WM_MOUSE_ENTER = 2,
-		NOTIFICATION_WM_MOUSE_EXIT = 3,
-		NOTIFICATION_WM_FOCUS_IN = 4,
-		NOTIFICATION_WM_FOCUS_OUT = 5,
-		NOTIFICATION_WM_QUIT_REQUEST = 6,
-		NOTIFICATION_WM_GO_BACK_REQUEST = 7,
-		NOTIFICATION_WM_UNFOCUS_REQUEST = 8,
-		NOTIFICATION_OS_MEMORY_WARNING = 9,
-		// Note: NOTIFICATION_TRANSLATION_CHANGED and NOTIFICATION_WM_ABOUT used to have id=10 and id=11 but these
-		// conflict with NOTIFICATION_ENTER_TREE (id=10) and NOTIFICATION_EXIT_TREE (id=11), so id=90 and id=91
-		// fixes this issue.
-		NOTIFICATION_TRANSLATION_CHANGED = 90,
-		NOTIFICATION_WM_ABOUT = 91,
-		NOTIFICATION_CRASH = 92,
-		NOTIFICATION_OS_IME_UPDATE = 93,
+		//make sure these are replicated in Node
+		NOTIFICATION_WM_MOUSE_ENTER = 1002,
+		NOTIFICATION_WM_MOUSE_EXIT = 1003,
+		NOTIFICATION_WM_FOCUS_IN = 1004,
+		NOTIFICATION_WM_FOCUS_OUT = 1005,
+		NOTIFICATION_WM_QUIT_REQUEST = 1006,
+		NOTIFICATION_WM_GO_BACK_REQUEST = 1007,
+		NOTIFICATION_WM_UNFOCUS_REQUEST = 1008,
+		NOTIFICATION_OS_MEMORY_WARNING = 1009,
+		NOTIFICATION_TRANSLATION_CHANGED = 1010,
+		NOTIFICATION_WM_ABOUT = 1011,
+		NOTIFICATION_CRASH = 1012,
+		NOTIFICATION_OS_IME_UPDATE = 1013,
 	};
 
 	virtual void input_event(const Ref<InputEvent> &p_event);
diff --git a/core/os/midi_driver.cpp b/core/os/midi_driver.cpp
index 0d7ad23d68..7cb7ae130f 100644
--- a/core/os/midi_driver.cpp
+++ b/core/os/midi_driver.cpp
@@ -75,6 +75,11 @@ void MIDIDriver::receive_input_packet(uint64_t timestamp, uint8_t *data, uint32_
 			if (length >= 3) {
 				event->set_pitch(data[1]);
 				event->set_velocity(data[2]);
+
+				if (event->get_message() == MIDI_MESSAGE_NOTE_ON && event->get_velocity() == 0) {
+					// https://www.midi.org/forum/228-writing-midi-software-send-note-off,-or-zero-velocity-note-on
+					event->set_message(MIDI_MESSAGE_NOTE_OFF);
+				}
 			}
 			break;
 
diff --git a/core/os/os.h b/core/os/os.h
index ebfe7d20dc..d02d5a2c84 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -518,6 +518,8 @@ public:
 	bool is_restart_on_exit_set() const;
 	List<String> get_restart_on_exit_arguments() const;
 
+	virtual bool request_permission(const String &p_name) { return true; }
+
 	virtual void process_and_drop_events() {}
 	OS();
 	virtual ~OS();
diff --git a/core/packed_data_container.cpp b/core/packed_data_container.cpp
index 6c17f42b13..99bed829c1 100644
--- a/core/packed_data_container.cpp
+++ b/core/packed_data_container.cpp
@@ -114,7 +114,7 @@ Variant PackedDataContainer::_get_at_ofs(uint32_t p_ofs, const uint8_t *p_buf, b
 	} else {
 
 		Variant v;
-		Error rerr = decode_variant(v, p_buf + p_ofs, datalen - p_ofs, NULL);
+		Error rerr = decode_variant(v, p_buf + p_ofs, datalen - p_ofs, NULL, false);
 
 		if (rerr != OK) {
 
@@ -249,9 +249,9 @@ uint32_t PackedDataContainer::_pack(const Variant &p_data, Vector<uint8_t> &tmpd
 
 			uint32_t pos = tmpdata.size();
 			int len;
-			encode_variant(p_data, NULL, len);
+			encode_variant(p_data, NULL, len, false);
 			tmpdata.resize(tmpdata.size() + len);
-			encode_variant(p_data, &tmpdata.write[pos], len);
+			encode_variant(p_data, &tmpdata.write[pos], len, false);
 			return pos;
 
 		} break;
diff --git a/core/project_settings.cpp b/core/project_settings.cpp
index 6b4895d688..8c9a3dbcd4 100644
--- a/core/project_settings.cpp
+++ b/core/project_settings.cpp
@@ -501,7 +501,7 @@ Error ProjectSettings::_load_settings_binary(const String p_path) {
 		d.resize(vlen);
 		f->get_buffer(d.ptrw(), vlen);
 		Variant value;
-		err = decode_variant(value, d.ptr(), d.size());
+		err = decode_variant(value, d.ptr(), d.size(), NULL, false);
 		ERR_EXPLAIN("Error decoding property: " + key);
 		ERR_CONTINUE(err != OK);
 		set(key, value);
@@ -656,7 +656,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 		file->store_string(key);
 
 		int len;
-		err = encode_variant(p_custom_features, NULL, len);
+		err = encode_variant(p_custom_features, NULL, len, false);
 		if (err != OK) {
 			memdelete(file);
 			ERR_FAIL_V(err);
@@ -665,7 +665,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 		Vector<uint8_t> buff;
 		buff.resize(len);
 
-		err = encode_variant(p_custom_features, buff.ptrw(), len);
+		err = encode_variant(p_custom_features, buff.ptrw(), len, false);
 		if (err != OK) {
 			memdelete(file);
 			ERR_FAIL_V(err);
@@ -694,7 +694,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 			file->store_string(key);
 
 			int len;
-			err = encode_variant(value, NULL, len);
+			err = encode_variant(value, NULL, len, false);
 			if (err != OK)
 				memdelete(file);
 			ERR_FAIL_COND_V(err != OK, ERR_INVALID_DATA);
@@ -702,7 +702,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 			Vector<uint8_t> buff;
 			buff.resize(len);
 
-			err = encode_variant(value, buff.ptrw(), len);
+			err = encode_variant(value, buff.ptrw(), len, false);
 			if (err != OK)
 				memdelete(file);
 			ERR_FAIL_COND_V(err != OK, ERR_INVALID_DATA);
@@ -1185,6 +1185,9 @@ ProjectSettings::ProjectSettings() {
 	Compression::gzip_level = GLOBAL_DEF("compression/formats/gzip/compression_level", Z_DEFAULT_COMPRESSION);
 	custom_prop_info["compression/formats/gzip/compression_level"] = PropertyInfo(Variant::INT, "compression/formats/gzip/compression_level", PROPERTY_HINT_RANGE, "-1,9,1");
 
+	// Would ideally be defined in an Android-specific file, but then it doesn't appear in the docs
+	GLOBAL_DEF("android/modules", "");
+
 	using_datapack = false;
 }
 
diff --git a/core/script_language.cpp b/core/script_language.cpp
index f0310ffc31..4a6f904f9d 100644
--- a/core/script_language.cpp
+++ b/core/script_language.cpp
@@ -190,6 +190,14 @@ StringName ScriptServer::get_global_class_base(const String &p_class) {
 	ERR_FAIL_COND_V(!global_classes.has(p_class), String());
 	return global_classes[p_class].base;
 }
+StringName ScriptServer::get_global_class_native_base(const String &p_class) {
+	ERR_FAIL_COND_V(!global_classes.has(p_class), String());
+	String base = global_classes[p_class].base;
+	while (global_classes.has(base)) {
+		base = global_classes[base].base;
+	}
+	return base;
+}
 void ScriptServer::get_global_class_list(List<StringName> *r_global_classes) {
 	const StringName *K = NULL;
 	List<StringName> classes;
@@ -409,6 +417,11 @@ bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) co
 		return true;
 	}
 
+	if (constants.has(p_name)) {
+		r_ret = constants[p_name];
+		return true;
+	}
+
 	if (!script->is_placeholder_fallback_enabled()) {
 		Variant defval;
 		if (script->get_property_default_value(p_name, defval)) {
@@ -444,6 +457,13 @@ Variant::Type PlaceHolderScriptInstance::get_property_type(const StringName &p_n
 			*r_is_valid = true;
 		return values[p_name].get_type();
 	}
+
+	if (constants.has(p_name)) {
+		if (r_is_valid)
+			*r_is_valid = true;
+		return constants[p_name].get_type();
+	}
+
 	if (r_is_valid)
 		*r_is_valid = false;
 
@@ -513,6 +533,9 @@ void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, c
 		owner->_change_notify();
 	}
 	//change notify
+
+	constants.clear();
+	script->get_constants(&constants);
 }
 
 void PlaceHolderScriptInstance::property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid) {
@@ -552,6 +575,13 @@ Variant PlaceHolderScriptInstance::property_get_fallback(const StringName &p_nam
 				*r_valid = true;
 			return E->value();
 		}
+
+		E = constants.find(p_name);
+		if (E) {
+			if (r_valid)
+				*r_valid = true;
+			return E->value();
+		}
 	}
 
 	if (r_valid)
diff --git a/core/script_language.h b/core/script_language.h
index 2d35097692..005e21e2cc 100644
--- a/core/script_language.h
+++ b/core/script_language.h
@@ -87,6 +87,7 @@ public:
 	static StringName get_global_class_language(const StringName &p_class);
 	static String get_global_class_path(const String &p_class);
 	static StringName get_global_class_base(const String &p_class);
+	static StringName get_global_class_native_base(const String &p_class);
 	static void get_global_class_list(List<StringName> *r_global_classes);
 	static void save_global_classes();
 
@@ -204,6 +205,8 @@ public:
 	static ScriptCodeCompletionCache *get_singleton() { return singleton; }
 
 	ScriptCodeCompletionCache();
+
+	virtual ~ScriptCodeCompletionCache() {}
 };
 
 class ScriptLanguage {
@@ -336,6 +339,7 @@ class PlaceHolderScriptInstance : public ScriptInstance {
 	Object *owner;
 	List<PropertyInfo> properties;
 	Map<StringName, Variant> values;
+	Map<StringName, Variant> constants;
 	ScriptLanguage *language;
 	Ref<Script> script;
 
diff --git a/core/typedefs.h b/core/typedefs.h
index 03514466c0..660139b90a 100644
--- a/core/typedefs.h
+++ b/core/typedefs.h
@@ -137,7 +137,7 @@ T *_nullptr() {
 /** Generic swap template */
 #ifndef SWAP
 
-#define SWAP(m_x, m_y) __swap_tmpl(m_x, m_y)
+#define SWAP(m_x, m_y) __swap_tmpl((m_x), (m_y))
 template <class T>
 inline void __swap_tmpl(T &x, T &y) {
 
@@ -328,4 +328,31 @@ struct _GlobalLock {
 #define _PRINTF_FORMAT_ATTRIBUTE_2_3
 #endif
 
+/** This is needed due to a strange OpenGL API that expects a pointer
+ *  type for an argument that is actually an offset.
+ */
+#define CAST_INT_TO_UCHAR_PTR(ptr) ((uint8_t *)(uintptr_t)(ptr))
+
+/** Hint for compilers that this fallthrough in a switch is intentional.
+ *  Can be replaced by [[fallthrough]] annotation if we move to C++17.
+ *  Including conditional support for it for people who set -std=c++17
+ *  themselves.
+ *  Requires a trailing semicolon when used.
+ */
+#if __cplusplus >= 201703L
+#define FALLTHROUGH [[fallthrough]]
+#elif defined(__GNUC__) && __GNUC__ >= 7
+#define FALLTHROUGH __attribute__((fallthrough))
+#elif defined(__llvm__) && __cplusplus >= 201103L && defined(__has_feature)
+#if __has_feature(cxx_attributes) && defined(__has_warning)
+#if __has_warning("-Wimplicit-fallthrough")
+#define FALLTHROUGH [[clang::fallthrough]]
+#endif
+#endif
+#endif
+
+#ifndef FALLTHROUGH
+#define FALLTHROUGH
+#endif
+
 #endif // TYPEDEFS_H
diff --git a/core/undo_redo.cpp b/core/undo_redo.cpp
index 9a10e0585d..69581e4115 100644
--- a/core/undo_redo.cpp
+++ b/core/undo_redo.cpp
@@ -90,7 +90,7 @@ void UndoRedo::create_action(const String &p_name, MergeMode p_mode) {
 			actions.write[actions.size() - 1].last_tick = ticks;
 
 			merge_mode = p_mode;
-
+			merging = true;
 		} else {
 
 			Action new_action;
@@ -250,8 +250,14 @@ void UndoRedo::commit_action() {
 	if (action_level > 0)
 		return; //still nested
 
-	redo(); // perform action
+	if (merging) {
+		version--;
+		merging = false;
+	}
 
+	commiting++;
+	redo(); // perform action
+	commiting--;
 	if (callback && actions.size() > 0) {
 		callback(callback_ud, actions[actions.size() - 1].name);
 	}
@@ -326,12 +332,10 @@ bool UndoRedo::redo() {
 	if ((current_action + 1) >= actions.size())
 		return false; //nothing to redo
 
-	commiting++;
 	current_action++;
 
 	_process_operation_list(actions.write[current_action].do_ops.front());
 	version++;
-	commiting--;
 
 	return true;
 }
@@ -341,11 +345,9 @@ bool UndoRedo::undo() {
 	ERR_FAIL_COND_V(action_level > 0, false);
 	if (current_action < 0)
 		return false; //nothing to redo
-	commiting++;
 	_process_operation_list(actions.write[current_action].undo_ops.front());
 	current_action--;
 	version--;
-	commiting--;
 	return true;
 }
 
@@ -399,6 +401,7 @@ UndoRedo::UndoRedo() {
 	action_level = 0;
 	current_action = -1;
 	merge_mode = MERGE_DISABLE;
+	merging = false;
 	callback = NULL;
 	callback_ud = NULL;
 
diff --git a/core/undo_redo.h b/core/undo_redo.h
index b626149ce6..6293e77acc 100644
--- a/core/undo_redo.h
+++ b/core/undo_redo.h
@@ -80,6 +80,7 @@ private:
 	int current_action;
 	int action_level;
 	MergeMode merge_mode;
+	bool merging;
 	uint64_t version;
 
 	void _pop_history_tail();
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index 25a0f3957c..3812592639 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -773,6 +773,8 @@ struct _VariantCall {
 	VCALL_PTR0R(Basis, get_orthogonal_index);
 	VCALL_PTR0R(Basis, orthonormalized);
 	VCALL_PTR2R(Basis, slerp);
+	VCALL_PTR2R(Basis, is_equal_approx);
+	VCALL_PTR0R(Basis, get_rotation_quat);
 
 	VCALL_PTR0R(Transform, inverse);
 	VCALL_PTR0R(Transform, affine_inverse);
@@ -1842,6 +1844,8 @@ void register_variant_methods() {
 	ADDFUNC1R(BASIS, VECTOR3, Basis, xform_inv, VECTOR3, "v", varray());
 	ADDFUNC0R(BASIS, INT, Basis, get_orthogonal_index, varray());
 	ADDFUNC2R(BASIS, BASIS, Basis, slerp, BASIS, "b", REAL, "t", varray());
+	ADDFUNC2R(BASIS, BOOL, Basis, is_equal_approx, BASIS, "b", REAL, "epsilon", varray(CMP_EPSILON));
+	ADDFUNC0R(BASIS, QUAT, Basis, get_rotation_quat, varray());
 
 	ADDFUNC0R(TRANSFORM, TRANSFORM, Transform, inverse, varray());
 	ADDFUNC0R(TRANSFORM, TRANSFORM, Transform, affine_inverse, varray());
diff --git a/doc/classes/@GDScript.xml b/doc/classes/@GDScript.xml
index 7b4b3e43ba..df52f8503a 100644
--- a/doc/classes/@GDScript.xml
+++ b/doc/classes/@GDScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="@GDScript" category="Core" version="3.1">
+<class name="@GDScript" category="Core" version="3.2">
 	<brief_description>
 		Built-in GDScript functions.
 	</brief_description>
@@ -127,7 +127,7 @@
 			<description>
 				Returns the arc tangent of [code]y/x[/code] in radians. Use to get the angle of tangent [code]y/x[/code]. To compute the value, the method takes into account the sign of both arguments in order to determine the quadrant.
 				[codeblock]
-				a = atan(0, -1) # a is 3.141593
+				a = atan2(0, -1) # a is 3.141593
 				[/codeblock]
 			</description>
 		</method>
@@ -136,8 +136,11 @@
 			</return>
 			<argument index="0" name="bytes" type="PoolByteArray">
 			</argument>
+			<argument index="1" name="allow_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Decodes a byte array back to a value.
+				Decodes a byte array back to a value. When [code]allow_objects[/code] is [code]true[/code] decoding objects is allowed.
+				[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 			</description>
 		</method>
 		<method name="cartesian2polar">
@@ -1112,8 +1115,10 @@
 			</return>
 			<argument index="0" name="var" type="Variant">
 			</argument>
+			<argument index="1" name="full_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Encodes a variable value to a byte array.
+				Encodes a variable value to a byte array. When [code]full_objects[/code] is [code]true[/code] encoding objects is allowed (and can potentially include code).
 			</description>
 		</method>
 		<method name="var2str">
diff --git a/doc/classes/@GlobalScope.xml b/doc/classes/@GlobalScope.xml
index ba2eb35f8c..64ca2e54f6 100644
--- a/doc/classes/@GlobalScope.xml
+++ b/doc/classes/@GlobalScope.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="@GlobalScope" category="Core" version="3.1">
+<class name="@GlobalScope" category="Core" version="3.2">
 	<brief_description>
 		Global scope constants and variables.
 	</brief_description>
diff --git a/doc/classes/@NativeScript.xml b/doc/classes/@NativeScript.xml
index 2bf1dc7a7c..10174debe1 100644
--- a/doc/classes/@NativeScript.xml
+++ b/doc/classes/@NativeScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="@NativeScript" category="Core" version="3.1">
+<class name="@NativeScript" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/@VisualScript.xml b/doc/classes/@VisualScript.xml
index d4a924a259..c345bc5ee5 100644
--- a/doc/classes/@VisualScript.xml
+++ b/doc/classes/@VisualScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="@VisualScript" category="Core" version="3.1">
+<class name="@VisualScript" category="Core" version="3.2">
 	<brief_description>
 		Built-in visual script functions.
 	</brief_description>
diff --git a/doc/classes/AABB.xml b/doc/classes/AABB.xml
index 2e0d0c15b2..66122159a2 100644
--- a/doc/classes/AABB.xml
+++ b/doc/classes/AABB.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AABB" category="Built-In Types" version="3.1">
+<class name="AABB" category="Built-In Types" version="3.2">
 	<brief_description>
 		Axis-Aligned Bounding Box.
 	</brief_description>
@@ -29,7 +29,7 @@
 			<argument index="0" name="with" type="AABB">
 			</argument>
 			<description>
-				Returns [code]true[/code] if this [code]AABB[/code] completely encloses another one.
+				Returns [code]true[/code] if this [AABB] completely encloses another one.
 			</description>
 		</method>
 		<method name="expand">
@@ -38,14 +38,14 @@
 			<argument index="0" name="to_point" type="Vector3">
 			</argument>
 			<description>
-				Returns this [code]AABB[/code] expanded to include a given point.
+				Returns this [AABB] expanded to include a given point.
 			</description>
 		</method>
 		<method name="get_area">
 			<return type="float">
 			</return>
 			<description>
-				Gets the area of the [code]AABB[/code].
+				Gets the area of the [AABB].
 			</description>
 		</method>
 		<method name="get_endpoint">
@@ -54,49 +54,49 @@
 			<argument index="0" name="idx" type="int">
 			</argument>
 			<description>
-				Gets the position of the 8 endpoints of the [code]AABB[/code] in space.
+				Gets the position of the 8 endpoints of the [AABB] in space.
 			</description>
 		</method>
 		<method name="get_longest_axis">
 			<return type="Vector3">
 			</return>
 			<description>
-				Returns the normalized longest axis of the [code]AABB[/code].
+				Returns the normalized longest axis of the [AABB].
 			</description>
 		</method>
 		<method name="get_longest_axis_index">
 			<return type="int">
 			</return>
 			<description>
-				Returns the index of the longest axis of the [code]AABB[/code] (according to [Vector3]::AXIS* enum).
+				Returns the index of the longest axis of the [AABB] (according to [Vector3]::AXIS* enum).
 			</description>
 		</method>
 		<method name="get_longest_axis_size">
 			<return type="float">
 			</return>
 			<description>
-				Returns the scalar length of the longest axis of the [code]AABB[/code].
+				Returns the scalar length of the longest axis of the [AABB].
 			</description>
 		</method>
 		<method name="get_shortest_axis">
 			<return type="Vector3">
 			</return>
 			<description>
-				Returns the normalized shortest axis of the [code]AABB[/code].
+				Returns the normalized shortest axis of the [AABB].
 			</description>
 		</method>
 		<method name="get_shortest_axis_index">
 			<return type="int">
 			</return>
 			<description>
-				Returns the index of the shortest axis of the [code]AABB[/code] (according to [Vector3]::AXIS* enum).
+				Returns the index of the shortest axis of the [AABB] (according to [Vector3]::AXIS* enum).
 			</description>
 		</method>
 		<method name="get_shortest_axis_size">
 			<return type="float">
 			</return>
 			<description>
-				Returns the scalar length of the shortest axis of the [code]AABB[/code].
+				Returns the scalar length of the shortest axis of the [AABB].
 			</description>
 		</method>
 		<method name="get_support">
@@ -114,21 +114,21 @@
 			<argument index="0" name="by" type="float">
 			</argument>
 			<description>
-				Returns a copy of the [code]AABB[/code] grown a given amount of units towards all the sides.
+				Returns a copy of the [AABB] grown a given amount of units towards all the sides.
 			</description>
 		</method>
 		<method name="has_no_area">
 			<return type="bool">
 			</return>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] is flat or empty.
+				Returns [code]true[/code] if the [AABB] is flat or empty.
 			</description>
 		</method>
 		<method name="has_no_surface">
 			<return type="bool">
 			</return>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] is empty.
+				Returns [code]true[/code] if the [AABB] is empty.
 			</description>
 		</method>
 		<method name="has_point">
@@ -137,7 +137,7 @@
 			<argument index="0" name="point" type="Vector3">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] contains a point.
+				Returns [code]true[/code] if the [AABB] contains a point.
 			</description>
 		</method>
 		<method name="intersection">
@@ -146,7 +146,7 @@
 			<argument index="0" name="with" type="AABB">
 			</argument>
 			<description>
-				Returns the intersection between two [code]AABB[/code]. An empty AABB (size 0,0,0) is returned on failure.
+				Returns the intersection between two [AABB]. An empty AABB (size 0,0,0) is returned on failure.
 			</description>
 		</method>
 		<method name="intersects">
@@ -155,7 +155,7 @@
 			<argument index="0" name="with" type="AABB">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] overlaps with another.
+				Returns [code]true[/code] if the [AABB] overlaps with another.
 			</description>
 		</method>
 		<method name="intersects_plane">
@@ -164,7 +164,7 @@
 			<argument index="0" name="plane" type="Plane">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] is on both sides of a plane.
+				Returns [code]true[/code] if the [AABB] is on both sides of a plane.
 			</description>
 		</method>
 		<method name="intersects_segment">
@@ -175,7 +175,7 @@
 			<argument index="1" name="to" type="Vector3">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]AABB[/code] intersects the line segment between [code]from[/code] and [code]to[/code].
+				Returns [code]true[/code] if the [AABB] intersects the line segment between [code]from[/code] and [code]to[/code].
 			</description>
 		</method>
 		<method name="merge">
diff --git a/doc/classes/ARVRAnchor.xml b/doc/classes/ARVRAnchor.xml
index 5b9188b171..5197c1c651 100644
--- a/doc/classes/ARVRAnchor.xml
+++ b/doc/classes/ARVRAnchor.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRAnchor" inherits="Spatial" category="Core" version="3.1">
+<class name="ARVRAnchor" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Anchor point in AR Space.
 	</brief_description>
diff --git a/doc/classes/ARVRCamera.xml b/doc/classes/ARVRCamera.xml
index aca8282a7c..7e360df27d 100644
--- a/doc/classes/ARVRCamera.xml
+++ b/doc/classes/ARVRCamera.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRCamera" inherits="Camera" category="Core" version="3.1">
+<class name="ARVRCamera" inherits="Camera" category="Core" version="3.2">
 	<brief_description>
 		A camera node with a few overrules for AR/VR applied, such as location tracking.
 	</brief_description>
diff --git a/doc/classes/ARVRController.xml b/doc/classes/ARVRController.xml
index ccb55375d2..1264f89f64 100644
--- a/doc/classes/ARVRController.xml
+++ b/doc/classes/ARVRController.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRController" inherits="Spatial" category="Core" version="3.1">
+<class name="ARVRController" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		A spatial node representing a spatially tracked controller.
 	</brief_description>
diff --git a/doc/classes/ARVRInterface.xml b/doc/classes/ARVRInterface.xml
index bf72902410..76f7c352bb 100644
--- a/doc/classes/ARVRInterface.xml
+++ b/doc/classes/ARVRInterface.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRInterface" inherits="Reference" category="Core" version="3.1">
+<class name="ARVRInterface" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Base class for ARVR interface implementation.
 	</brief_description>
diff --git a/doc/classes/ARVROrigin.xml b/doc/classes/ARVROrigin.xml
index 55062ba3ae..2d908ed500 100644
--- a/doc/classes/ARVROrigin.xml
+++ b/doc/classes/ARVROrigin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVROrigin" inherits="Spatial" category="Core" version="3.1">
+<class name="ARVROrigin" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Our origin point in AR/VR.
 	</brief_description>
diff --git a/doc/classes/ARVRPositionalTracker.xml b/doc/classes/ARVRPositionalTracker.xml
index e703de36f4..c1be8d2356 100644
--- a/doc/classes/ARVRPositionalTracker.xml
+++ b/doc/classes/ARVRPositionalTracker.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRPositionalTracker" inherits="Object" category="Core" version="3.1">
+<class name="ARVRPositionalTracker" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		A tracked object
 	</brief_description>
diff --git a/doc/classes/ARVRServer.xml b/doc/classes/ARVRServer.xml
index e089360c46..608c031e14 100644
--- a/doc/classes/ARVRServer.xml
+++ b/doc/classes/ARVRServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRServer" inherits="Object" category="Core" version="3.1">
+<class name="ARVRServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		This is our AR/VR Server.
 	</brief_description>
diff --git a/doc/classes/AStar.xml b/doc/classes/AStar.xml
index e1b79a2a3e..5a62c69a67 100644
--- a/doc/classes/AStar.xml
+++ b/doc/classes/AStar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AStar" inherits="Reference" category="Core" version="3.1">
+<class name="AStar" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		AStar class representation that uses vectors as edges.
 	</brief_description>
diff --git a/doc/classes/AcceptDialog.xml b/doc/classes/AcceptDialog.xml
index fc27bdbb81..71b161ccb1 100644
--- a/doc/classes/AcceptDialog.xml
+++ b/doc/classes/AcceptDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AcceptDialog" inherits="WindowDialog" category="Core" version="3.1">
+<class name="AcceptDialog" inherits="WindowDialog" category="Core" version="3.2">
 	<brief_description>
 		Base dialog for user notification.
 	</brief_description>
diff --git a/doc/classes/AnimatedSprite.xml b/doc/classes/AnimatedSprite.xml
index 7f9167c49a..0ee1c75348 100644
--- a/doc/classes/AnimatedSprite.xml
+++ b/doc/classes/AnimatedSprite.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimatedSprite" inherits="Node2D" category="Core" version="3.1">
+<class name="AnimatedSprite" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Sprite node that can use multiple textures for animation.
 	</brief_description>
@@ -24,7 +24,7 @@
 			<argument index="0" name="anim" type="String" default="&quot;&quot;">
 			</argument>
 			<description>
-				Play the animation set in parameter. If no parameter is provided, the current animation is played.
+				Play the animation set in parameter. If no parameter is provided, the current animation is played. Property [code]backwards[/code] plays the animation in reverse if set to [code]true[/code].
 			</description>
 		</method>
 		<method name="stop">
diff --git a/doc/classes/AnimatedSprite3D.xml b/doc/classes/AnimatedSprite3D.xml
index dcc44e2df4..d4ed5d5adc 100644
--- a/doc/classes/AnimatedSprite3D.xml
+++ b/doc/classes/AnimatedSprite3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimatedSprite3D" inherits="SpriteBase3D" category="Core" version="3.1">
+<class name="AnimatedSprite3D" inherits="SpriteBase3D" category="Core" version="3.2">
 	<brief_description>
 		2D sprite node in 3D world, that can use multiple 2D textures for animation.
 	</brief_description>
diff --git a/doc/classes/AnimatedTexture.xml b/doc/classes/AnimatedTexture.xml
index 08cd79e78f..88c14671b0 100644
--- a/doc/classes/AnimatedTexture.xml
+++ b/doc/classes/AnimatedTexture.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimatedTexture" inherits="Texture" category="Core" version="3.1">
+<class name="AnimatedTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		Proxy texture for simple frame-based animations.
 	</brief_description>
 	<description>
-		[code]AnimatedTexture[/code] is a resource format for simple frame-based animations, where multiple frames textures can be chained automatically with a predefined delay for each frame. It's not a [Node], contrarily to [AnimationPlayer] or [AnimatedSprite], but has the advantage of being usable at any place where a [Texture] resource can be used, e.g. in a [TileSet].
+		[AnimatedTexture] is a resource format for frame-based animations, where multiple textures can be chained automatically with a predefined delay for each frame. Unlike [AnimationPlayer] or [AnimatedSprite], it isn't a [Node], but has the advantage of being usable anywhere a [Texture] resource can be used, e.g. in a [TileSet].
 		The playback of the animation is controlled by the [member fps] property as well as each frame's optional delay (see [method set_frame_delay]). The animation loops, i.e. it will restart at frame 0 automatically after playing the last frame.
-		[code]AnimatedTexture[/code] currently requires all frame textures to have the same size, otherwise the bigger ones will be cropped to match the smallest one.
+		[AnimatedTexture] currently requires all frame textures to have the same size, otherwise the bigger ones will be cropped to match the smallest one.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -19,7 +19,7 @@
 			<argument index="0" name="frame" type="int">
 			</argument>
 			<description>
-				Retrieves the delayed assigned to the given [code]frame[/code] ID.
+				Returns the given frame's delay value.
 			</description>
 		</method>
 		<method name="get_frame_texture" qualifiers="const">
@@ -28,7 +28,7 @@
 			<argument index="0" name="frame" type="int">
 			</argument>
 			<description>
-				Retrieves the [Texture] assigned to the given [code]frame[/code] ID.
+				Returns the given frame's [Texture].
 			</description>
 		</method>
 		<method name="set_frame_delay">
@@ -39,7 +39,7 @@
 			<argument index="1" name="delay" type="float">
 			</argument>
 			<description>
-				Defines an additional delay (in seconds) between this frame and the next one, that will be added to the time interval defined by [member fps]. By default, frames have no delay defined. If a delay value is defined, the final time interval between this frame and the next will be [code]1.0 / fps + delay[/code].
+				Sets an additional delay (in seconds) between this frame and the next one, that will be added to the time interval defined by [member fps]. By default, frames have no delay defined. If a delay value is defined, the final time interval between this frame and the next will be [code]1.0 / fps + delay[/code].
 				For example, for an animation with 3 frames, 2 FPS and a frame delay on the second frame of 1.2, the resulting playback will be:
 				[codeblock]
 				Frame 0: 0.5 s (1 / fps)
@@ -57,15 +57,15 @@
 			<argument index="1" name="texture" type="Texture">
 			</argument>
 			<description>
-				Assigns a [Texture] to the given [code]frame[/code] ID. IDs start at 0 (so the first frame has ID 0, and the last frame of the animation has ID [member frames] - 1).
-				You can define any frame texture up to [constant MAX_FRAMES], but keep in mind that only frames from 0 to [member frames] - 1 will be part of the animation.
+				Assigns a [Texture] to the given frame. Frame IDs start at 0, so the first frame has ID 0, and the last frame of the animation has ID [member frames] - 1.
+				You can define any number of textures up to [constant MAX_FRAMES], but keep in mind that only frames from 0 to [member frames] - 1 will be part of the animation.
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="fps" type="float" setter="set_fps" getter="get_fps">
-			Number of frames per second. This value defines the default time interval between two frames of the animation, and thus the overall duration of the animation loop based on the [member frames] property. A value of 0 means no predefined number of frames per second, the animation will play according to each frame's frame delay (see [method set_frame_delay]). Default value: 4.
-			For example, an animation with 8 frames, no frame delay and a [code]fps[/code] value of 2 will run over 4 seconds, with one frame each 0.5 seconds.
+			Animation speed in frames per second. This value defines the default time interval between two frames of the animation, and thus the overall duration of the animation loop based on the [member frames] property. A value of 0 means no predefined number of frames per second, the animation will play according to each frame's frame delay (see [method set_frame_delay]). Default value: 4.
+			For example, an animation with 8 frames, no frame delay and a [code]fps[/code] value of 2 will run for 4 seconds, with each frame lasting 0.5 seconds.
 		</member>
 		<member name="frames" type="int" setter="set_frames" getter="get_frames">
 			Number of frames to use in the animation. While you can create the frames independently with [method set_frame_texture], you need to set this value for the animation to take new frames into account. The maximum number of frames is [constant MAX_FRAMES]. Default value: 1.
@@ -73,7 +73,7 @@
 	</members>
 	<constants>
 		<constant name="MAX_FRAMES" value="256">
-			The maximum number of frames supported by [code]AnimatedTexture[/code]. If you need more frames in your animation, use [AnimationPlayer] or [AnimatedSprite].
+			The maximum number of frames supported by [AnimatedTexture]. If you need more frames in your animation, use [AnimationPlayer] or [AnimatedSprite].
 		</constant>
 	</constants>
 </class>
diff --git a/doc/classes/Animation.xml b/doc/classes/Animation.xml
index eaaa64d53d..04f142585e 100644
--- a/doc/classes/Animation.xml
+++ b/doc/classes/Animation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Animation" inherits="Resource" category="Core" version="3.1">
+<class name="Animation" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Contains data used to animate everything in the engine.
 	</brief_description>
diff --git a/doc/classes/AnimationNode.xml b/doc/classes/AnimationNode.xml
index a98facf541..f8478cbbf8 100644
--- a/doc/classes/AnimationNode.xml
+++ b/doc/classes/AnimationNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNode" inherits="Resource" category="Core" version="3.1">
+<class name="AnimationNode" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base resource for [AnimationTree] nodes.
 	</brief_description>
diff --git a/doc/classes/AnimationNodeAdd2.xml b/doc/classes/AnimationNodeAdd2.xml
index 9297faa1b7..b4ae87652b 100644
--- a/doc/classes/AnimationNodeAdd2.xml
+++ b/doc/classes/AnimationNodeAdd2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeAdd2" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeAdd2" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeAdd3.xml b/doc/classes/AnimationNodeAdd3.xml
index deb8d74a38..3170b8c28c 100644
--- a/doc/classes/AnimationNodeAdd3.xml
+++ b/doc/classes/AnimationNodeAdd3.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeAdd3" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeAdd3" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeAnimation.xml b/doc/classes/AnimationNodeAnimation.xml
index de8e918f68..e096bb15cf 100644
--- a/doc/classes/AnimationNodeAnimation.xml
+++ b/doc/classes/AnimationNodeAnimation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeAnimation" inherits="AnimationRootNode" category="Core" version="3.1">
+<class name="AnimationNodeAnimation" inherits="AnimationRootNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeBlend2.xml b/doc/classes/AnimationNodeBlend2.xml
index 42bb12d9d0..9a8a9f4181 100644
--- a/doc/classes/AnimationNodeBlend2.xml
+++ b/doc/classes/AnimationNodeBlend2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeBlend2" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeBlend2" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeBlend3.xml b/doc/classes/AnimationNodeBlend3.xml
index cd3d9f9bc8..1e97d0b418 100644
--- a/doc/classes/AnimationNodeBlend3.xml
+++ b/doc/classes/AnimationNodeBlend3.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeBlend3" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeBlend3" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeBlendSpace1D.xml b/doc/classes/AnimationNodeBlendSpace1D.xml
index 2113948b2e..09cd135374 100644
--- a/doc/classes/AnimationNodeBlendSpace1D.xml
+++ b/doc/classes/AnimationNodeBlendSpace1D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeBlendSpace1D" inherits="AnimationRootNode" category="Core" version="3.1">
+<class name="AnimationNodeBlendSpace1D" inherits="AnimationRootNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeBlendSpace2D.xml b/doc/classes/AnimationNodeBlendSpace2D.xml
index b205c01468..ad7d9dd380 100644
--- a/doc/classes/AnimationNodeBlendSpace2D.xml
+++ b/doc/classes/AnimationNodeBlendSpace2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeBlendSpace2D" inherits="AnimationRootNode" category="Core" version="3.1">
+<class name="AnimationNodeBlendSpace2D" inherits="AnimationRootNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeBlendTree.xml b/doc/classes/AnimationNodeBlendTree.xml
index cd28232908..b91c8a18fd 100644
--- a/doc/classes/AnimationNodeBlendTree.xml
+++ b/doc/classes/AnimationNodeBlendTree.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeBlendTree" inherits="AnimationRootNode" category="Core" version="3.1">
+<class name="AnimationNodeBlendTree" inherits="AnimationRootNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeOneShot.xml b/doc/classes/AnimationNodeOneShot.xml
index 12cb9775a2..09e1727527 100644
--- a/doc/classes/AnimationNodeOneShot.xml
+++ b/doc/classes/AnimationNodeOneShot.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeOneShot" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeOneShot" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeOutput.xml b/doc/classes/AnimationNodeOutput.xml
index 98a41bc9cb..86cd77f9be 100644
--- a/doc/classes/AnimationNodeOutput.xml
+++ b/doc/classes/AnimationNodeOutput.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeOutput" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeOutput" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeStateMachine.xml b/doc/classes/AnimationNodeStateMachine.xml
index ed4098d938..6de544c9ac 100644
--- a/doc/classes/AnimationNodeStateMachine.xml
+++ b/doc/classes/AnimationNodeStateMachine.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeStateMachine" inherits="AnimationRootNode" category="Core" version="3.1">
+<class name="AnimationNodeStateMachine" inherits="AnimationRootNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeStateMachinePlayback.xml b/doc/classes/AnimationNodeStateMachinePlayback.xml
index 6bf9504efb..01bf982281 100644
--- a/doc/classes/AnimationNodeStateMachinePlayback.xml
+++ b/doc/classes/AnimationNodeStateMachinePlayback.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeStateMachinePlayback" inherits="Resource" category="Core" version="3.1">
+<class name="AnimationNodeStateMachinePlayback" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeStateMachineTransition.xml b/doc/classes/AnimationNodeStateMachineTransition.xml
index e07a9fc980..a1ee381882 100644
--- a/doc/classes/AnimationNodeStateMachineTransition.xml
+++ b/doc/classes/AnimationNodeStateMachineTransition.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeStateMachineTransition" inherits="Resource" category="Core" version="3.1">
+<class name="AnimationNodeStateMachineTransition" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeTimeScale.xml b/doc/classes/AnimationNodeTimeScale.xml
index 226c855b83..6a7b29ae81 100644
--- a/doc/classes/AnimationNodeTimeScale.xml
+++ b/doc/classes/AnimationNodeTimeScale.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeTimeScale" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeTimeScale" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeTimeSeek.xml b/doc/classes/AnimationNodeTimeSeek.xml
index 707b09a4a5..2d32f0658d 100644
--- a/doc/classes/AnimationNodeTimeSeek.xml
+++ b/doc/classes/AnimationNodeTimeSeek.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeTimeSeek" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeTimeSeek" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationNodeTransition.xml b/doc/classes/AnimationNodeTransition.xml
index 317bc5ed69..fa408c1c08 100644
--- a/doc/classes/AnimationNodeTransition.xml
+++ b/doc/classes/AnimationNodeTransition.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationNodeTransition" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationNodeTransition" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationPlayer.xml b/doc/classes/AnimationPlayer.xml
index 21aba282ee..442d9e92da 100644
--- a/doc/classes/AnimationPlayer.xml
+++ b/doc/classes/AnimationPlayer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationPlayer" inherits="Node" category="Core" version="3.1">
+<class name="AnimationPlayer" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Container and player of [Animation] resources.
 	</brief_description>
@@ -57,7 +57,7 @@
 			<return type="void">
 			</return>
 			<description>
-				[code]AnimationPlayer[/code] caches animated nodes. It may not notice if a node disappears, so clear_caches forces it to update the cache again.
+				[AnimationPlayer] caches animated nodes. It may not notice if a node disappears, so clear_caches forces it to update the cache again.
 			</description>
 		</method>
 		<method name="clear_queue">
@@ -122,7 +122,7 @@
 			<argument index="0" name="name" type="String">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]AnimationPlayer[/code] stores an [Animation] with key [code]name[/code].
+				Returns [code]true[/code] if the [AnimationPlayer] stores an [Animation] with key [code]name[/code].
 			</description>
 		</method>
 		<method name="is_playing" qualifiers="const">
diff --git a/doc/classes/AnimationRootNode.xml b/doc/classes/AnimationRootNode.xml
index dab2c12373..37bab88c76 100644
--- a/doc/classes/AnimationRootNode.xml
+++ b/doc/classes/AnimationRootNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationRootNode" inherits="AnimationNode" category="Core" version="3.1">
+<class name="AnimationRootNode" inherits="AnimationNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationTrackEditPlugin.xml b/doc/classes/AnimationTrackEditPlugin.xml
index f322a556b1..346b10cc7c 100644
--- a/doc/classes/AnimationTrackEditPlugin.xml
+++ b/doc/classes/AnimationTrackEditPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationTrackEditPlugin" inherits="Reference" category="Core" version="3.1">
+<class name="AnimationTrackEditPlugin" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationTree.xml b/doc/classes/AnimationTree.xml
index 9a6a75079c..1101c0ee62 100644
--- a/doc/classes/AnimationTree.xml
+++ b/doc/classes/AnimationTree.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationTree" inherits="Node" category="Core" version="3.1">
+<class name="AnimationTree" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AnimationTreePlayer.xml b/doc/classes/AnimationTreePlayer.xml
index cfec75bc3a..a8b7e50673 100644
--- a/doc/classes/AnimationTreePlayer.xml
+++ b/doc/classes/AnimationTreePlayer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AnimationTreePlayer" inherits="Node" category="Core" version="3.1">
+<class name="AnimationTreePlayer" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Animation Player that uses a node graph for blending Animations.
 	</brief_description>
@@ -38,7 +38,7 @@
 			<argument index="0" name="id" type="String">
 			</argument>
 			<description>
-				Returns the [AnimationPlayer]'s [Animation] bound to the [code]AnimationTreePlayer[/code]'s animation node with name [code]id[/code].
+				Returns the [AnimationPlayer]'s [Animation] bound to the [AnimationTreePlayer]'s animation node with name [code]id[/code].
 			</description>
 		</method>
 		<method name="animation_node_get_master_animation" qualifiers="const">
@@ -66,7 +66,7 @@
 			<argument index="1" name="animation" type="Animation">
 			</argument>
 			<description>
-				Binds a new [Animation] from the [member master_player] to the [code]AnimationTreePlayer[/code]'s animation node with name [code]id[/code].
+				Binds a new [Animation] from the [member master_player] to the [AnimationTreePlayer]'s animation node with name [code]id[/code].
 			</description>
 		</method>
 		<method name="animation_node_set_filter_path">
@@ -472,7 +472,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Resets this [code]AnimationTreePlayer[/code].
+				Resets this [AnimationTreePlayer].
 			</description>
 		</method>
 		<method name="timescale_node_get_scale" qualifiers="const">
@@ -607,14 +607,14 @@
 	</methods>
 	<members>
 		<member name="active" type="bool" setter="set_active" getter="is_active">
-			If [code]true[/code], the [code]AnimationTreePlayer[/code] is able to play animations. Default value: [code]false[/code].
+			If [code]true[/code], the [AnimationTreePlayer] is able to play animations. Default value: [code]false[/code].
 		</member>
 		<member name="base_path" type="NodePath" setter="set_base_path" getter="get_base_path">
 			The node from which to relatively access other nodes. Default value: [code]".."[/code].
 			It accesses the Bones, so it should point to the same Node the AnimationPlayer would point its Root Node at.
 		</member>
 		<member name="master_player" type="NodePath" setter="set_master_player" getter="get_master_player">
-			The path to the [AnimationPlayer] from which this [code]AnimationTreePlayer[/code] binds animations to animation nodes.
+			The path to the [AnimationPlayer] from which this [AnimationTreePlayer] binds animations to animation nodes.
 			Once set, Animation nodes can be added to the AnimationTreePlayer.
 		</member>
 		<member name="playback_process_mode" type="int" setter="set_animation_process_mode" getter="get_animation_process_mode" enum="AnimationTreePlayer.AnimationProcessMode">
diff --git a/doc/classes/Area.xml b/doc/classes/Area.xml
index a538fe9935..5147123dce 100644
--- a/doc/classes/Area.xml
+++ b/doc/classes/Area.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Area" inherits="CollisionObject" category="Core" version="3.1">
+<class name="Area" inherits="CollisionObject" category="Core" version="3.2">
 	<brief_description>
 		General purpose area node for detection and 3D physics influence.
 	</brief_description>
@@ -33,7 +33,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Returns a list of intersecting [code]Area[/code]s. For performance reasons (collisions are all processed at the same time) this list is modified once during the physics step, not immediately after objects are moved. Consider using signals instead.
+				Returns a list of intersecting [Area]s. For performance reasons (collisions are all processed at the same time) this list is modified once during the physics step, not immediately after objects are moved. Consider using signals instead.
 			</description>
 		</method>
 		<method name="get_overlapping_bodies" qualifiers="const">
@@ -69,7 +69,7 @@
 			<argument index="1" name="value" type="bool">
 			</argument>
 			<description>
-				Set/clear individual bits on the layer mask. This simplifies editing this [code]Area[/code]'s layers.
+				Set/clear individual bits on the layer mask. This simplifies editing this [Area]'s layers.
 			</description>
 		</method>
 		<method name="set_collision_mask_bit">
@@ -80,7 +80,7 @@
 			<argument index="1" name="value" type="bool">
 			</argument>
 			<description>
-				Set/clear individual bits on the collision mask. This simplifies editing which [code]Area[/code] layers this [code]Area[/code] scans.
+				Set/clear individual bits on the collision mask. This simplifies editing which [Area] layers this [Area] scans.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/Area2D.xml b/doc/classes/Area2D.xml
index 7980fe79ba..52df168acc 100644
--- a/doc/classes/Area2D.xml
+++ b/doc/classes/Area2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Area2D" inherits="CollisionObject2D" category="Core" version="3.1">
+<class name="Area2D" inherits="CollisionObject2D" category="Core" version="3.2">
 	<brief_description>
 		2D area for detection and 2D physics influence.
 	</brief_description>
@@ -33,7 +33,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Returns a list of intersecting [code]Area2D[/code]s. For performance reasons (collisions are all processed at the same time) this list is modified once during the physics step, not immediately after objects are moved. Consider using signals instead.
+				Returns a list of intersecting [Area2D]s. For performance reasons (collisions are all processed at the same time) this list is modified once during the physics step, not immediately after objects are moved. Consider using signals instead.
 			</description>
 		</method>
 		<method name="get_overlapping_bodies" qualifiers="const">
diff --git a/doc/classes/Array.xml b/doc/classes/Array.xml
index 0b5c0eb0b3..fe8b36ff4b 100644
--- a/doc/classes/Array.xml
+++ b/doc/classes/Array.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Array" category="Built-In Types" version="3.1">
+<class name="Array" category="Built-In Types" version="3.2">
 	<brief_description>
 		Generic array datatype.
 	</brief_description>
diff --git a/doc/classes/ArrayMesh.xml b/doc/classes/ArrayMesh.xml
index bcb9b4f6da..067ca08390 100644
--- a/doc/classes/ArrayMesh.xml
+++ b/doc/classes/ArrayMesh.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ArrayMesh" inherits="Mesh" category="Core" version="3.1">
+<class name="ArrayMesh" inherits="Mesh" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
-		The [code]ArrayMesh[/code] is used to construct a [Mesh] by specifying the attributes as arrays. The most basic example is the creation of a single triangle
+		The [ArrayMesh] is used to construct a [Mesh] by specifying the attributes as arrays. The most basic example is the creation of a single triangle
 		[codeblock]
 		var vertices = PoolVector3Array()
 		vertices.push_back(Vector3(0, 1, 0))
@@ -53,25 +53,18 @@
 				Godot uses clockwise winding order for front faces of triangle primitive modes.
 			</description>
 		</method>
-		<method name="center_geometry">
-			<return type="void">
-			</return>
-			<description>
-				Centers the geometry.
-			</description>
-		</method>
 		<method name="clear_blend_shapes">
 			<return type="void">
 			</return>
 			<description>
-				Remove all blend shapes from this [code]ArrayMesh[/code].
+				Remove all blend shapes from this [ArrayMesh].
 			</description>
 		</method>
 		<method name="get_blend_shape_count" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
-				Returns the number of blend shapes that the [code]ArrayMesh[/code] holds.
+				Returns the number of blend shapes that the [ArrayMesh] holds.
 			</description>
 		</method>
 		<method name="get_blend_shape_name" qualifiers="const">
@@ -91,14 +84,14 @@
 			<argument index="1" name="texel_size" type="float">
 			</argument>
 			<description>
-				Will perform a UV unwrap on the [code]ArrayMesh[/code] to prepare the mesh for lightmapping.
+				Will perform a UV unwrap on the [ArrayMesh] to prepare the mesh for lightmapping.
 			</description>
 		</method>
 		<method name="regen_normalmaps">
 			<return type="void">
 			</return>
 			<description>
-				Will regenerate normal maps for the [code]ArrayMesh[/code].
+				Will regenerate normal maps for the [ArrayMesh].
 			</description>
 		</method>
 		<method name="surface_find_by_name" qualifiers="const">
@@ -107,7 +100,7 @@
 			<argument index="0" name="name" type="String">
 			</argument>
 			<description>
-				Return the index of the first surface with this name held within this [code]ArrayMesh[/code]. If none are found -1 is returned.
+				Return the index of the first surface with this name held within this [ArrayMesh]. If none are found -1 is returned.
 			</description>
 		</method>
 		<method name="surface_get_array_index_len" qualifiers="const">
diff --git a/doc/classes/AtlasTexture.xml b/doc/classes/AtlasTexture.xml
index 3f5eb892af..ca2d294796 100644
--- a/doc/classes/AtlasTexture.xml
+++ b/doc/classes/AtlasTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AtlasTexture" inherits="Texture" category="Core" version="3.1">
+<class name="AtlasTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		Packs multiple small textures in a single, bigger one. Helps to optimize video memory costs and render calls.
 	</brief_description>
diff --git a/doc/classes/AudioBusLayout.xml b/doc/classes/AudioBusLayout.xml
index f122906167..59cfe96610 100644
--- a/doc/classes/AudioBusLayout.xml
+++ b/doc/classes/AudioBusLayout.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioBusLayout" inherits="Resource" category="Core" version="3.1">
+<class name="AudioBusLayout" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Stores information about the audiobusses.
 	</brief_description>
diff --git a/doc/classes/AudioEffect.xml b/doc/classes/AudioEffect.xml
index acbc96e70e..456bf56231 100644
--- a/doc/classes/AudioEffect.xml
+++ b/doc/classes/AudioEffect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffect" inherits="Resource" category="Core" version="3.1">
+<class name="AudioEffect" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Audio Effect For Audio.
 	</brief_description>
diff --git a/doc/classes/AudioEffectAmplify.xml b/doc/classes/AudioEffectAmplify.xml
index 3582ddc4f7..0d99f280df 100644
--- a/doc/classes/AudioEffectAmplify.xml
+++ b/doc/classes/AudioEffectAmplify.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectAmplify" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectAmplify" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Amplify audio effect to an Audio bus.
 		Increases or decreases the volume of the selected audio bus.
diff --git a/doc/classes/AudioEffectBandLimitFilter.xml b/doc/classes/AudioEffectBandLimitFilter.xml
index c9ddbd5b9a..bea0b106b2 100644
--- a/doc/classes/AudioEffectBandLimitFilter.xml
+++ b/doc/classes/AudioEffectBandLimitFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectBandLimitFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectBandLimitFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 		Adds a band limit filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectBandPassFilter.xml b/doc/classes/AudioEffectBandPassFilter.xml
index 7f4c9f4632..18fb0490a4 100644
--- a/doc/classes/AudioEffectBandPassFilter.xml
+++ b/doc/classes/AudioEffectBandPassFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectBandPassFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectBandPassFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 		Adds a band pass filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectChorus.xml b/doc/classes/AudioEffectChorus.xml
index 43e14b3964..dc82f1b047 100644
--- a/doc/classes/AudioEffectChorus.xml
+++ b/doc/classes/AudioEffectChorus.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectChorus" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectChorus" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a chorus audio effect.
 	</brief_description>
diff --git a/doc/classes/AudioEffectCompressor.xml b/doc/classes/AudioEffectCompressor.xml
index fa81bcf030..d8ca33cccb 100644
--- a/doc/classes/AudioEffectCompressor.xml
+++ b/doc/classes/AudioEffectCompressor.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectCompressor" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectCompressor" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Compressor audio effect to an Audio bus.
 		Reduces sounds that exceed a certain threshold level, smooths out the dynamics and increases the overall volume.
diff --git a/doc/classes/AudioEffectDelay.xml b/doc/classes/AudioEffectDelay.xml
index 872b94a0cd..65536efc5d 100644
--- a/doc/classes/AudioEffectDelay.xml
+++ b/doc/classes/AudioEffectDelay.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectDelay" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectDelay" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Delay audio effect to an Audio bus. Plays input signal back after a period of time.
 		Two tap delay and feedback options.
diff --git a/doc/classes/AudioEffectDistortion.xml b/doc/classes/AudioEffectDistortion.xml
index 74d12df554..ac85b503f2 100644
--- a/doc/classes/AudioEffectDistortion.xml
+++ b/doc/classes/AudioEffectDistortion.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectDistortion" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectDistortion" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Distortion audio effect to an Audio bus.
 		Modify the sound to make it dirty.
diff --git a/doc/classes/AudioEffectEQ.xml b/doc/classes/AudioEffectEQ.xml
index 35a6f7557d..eb2c68d129 100644
--- a/doc/classes/AudioEffectEQ.xml
+++ b/doc/classes/AudioEffectEQ.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectEQ" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectEQ" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Base class for audio equalizers. Gives you control over frequencies.
 		Use it to create a custom equalizer if [AudioEffectEQ6], [AudioEffectEQ10] or [AudioEffectEQ21] don't fit your needs.
diff --git a/doc/classes/AudioEffectEQ10.xml b/doc/classes/AudioEffectEQ10.xml
index daca342ace..e259c68668 100644
--- a/doc/classes/AudioEffectEQ10.xml
+++ b/doc/classes/AudioEffectEQ10.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectEQ10" inherits="AudioEffectEQ" category="Core" version="3.1">
+<class name="AudioEffectEQ10" inherits="AudioEffectEQ" category="Core" version="3.2">
 	<brief_description>
 		Adds a 10-band equalizer audio effect to an Audio bus. Gives you control over frequencies from 31 Hz to 16000 Hz.
 		Each frequency can be modulated between -60/+24 dB.
diff --git a/doc/classes/AudioEffectEQ21.xml b/doc/classes/AudioEffectEQ21.xml
index 99d35604fc..74a1034667 100644
--- a/doc/classes/AudioEffectEQ21.xml
+++ b/doc/classes/AudioEffectEQ21.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectEQ21" inherits="AudioEffectEQ" category="Core" version="3.1">
+<class name="AudioEffectEQ21" inherits="AudioEffectEQ" category="Core" version="3.2">
 	<brief_description>
 		Adds a 21-band equalizer audio effect to an Audio bus. Gives you control over frequencies from 22 Hz to 22000 Hz.
 		Each frequency can be modulated between -60/+24 dB.
diff --git a/doc/classes/AudioEffectEQ6.xml b/doc/classes/AudioEffectEQ6.xml
index 047c4c960f..06d8ebe07c 100644
--- a/doc/classes/AudioEffectEQ6.xml
+++ b/doc/classes/AudioEffectEQ6.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectEQ6" inherits="AudioEffectEQ" category="Core" version="3.1">
+<class name="AudioEffectEQ6" inherits="AudioEffectEQ" category="Core" version="3.2">
 	<brief_description>
 		Adds a 6-band equalizer audio effect to an Audio bus. Gives you control over frequencies from 32 Hz to 10000 Hz.
 		Each frequency can be modulated between -60/+24 dB.
diff --git a/doc/classes/AudioEffectFilter.xml b/doc/classes/AudioEffectFilter.xml
index 5a86c092a0..d3669f8fb0 100644
--- a/doc/classes/AudioEffectFilter.xml
+++ b/doc/classes/AudioEffectFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectFilter" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectFilter" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectHighPassFilter.xml b/doc/classes/AudioEffectHighPassFilter.xml
index 6c97199cb9..ad3ef9f4f1 100644
--- a/doc/classes/AudioEffectHighPassFilter.xml
+++ b/doc/classes/AudioEffectHighPassFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectHighPassFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectHighPassFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 		Adds a high pass filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectHighShelfFilter.xml b/doc/classes/AudioEffectHighShelfFilter.xml
index ca2312ba6a..3c2e56b715 100644
--- a/doc/classes/AudioEffectHighShelfFilter.xml
+++ b/doc/classes/AudioEffectHighShelfFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectHighShelfFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectHighShelfFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AudioEffectLimiter.xml b/doc/classes/AudioEffectLimiter.xml
index 5c5c55d17b..17a568838c 100644
--- a/doc/classes/AudioEffectLimiter.xml
+++ b/doc/classes/AudioEffectLimiter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectLimiter" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectLimiter" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a soft clip Limiter audio effect to an Audio bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectLowPassFilter.xml b/doc/classes/AudioEffectLowPassFilter.xml
index 7048a56e6c..3a28424091 100644
--- a/doc/classes/AudioEffectLowPassFilter.xml
+++ b/doc/classes/AudioEffectLowPassFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectLowPassFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectLowPassFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 		Adds a low pass filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectLowShelfFilter.xml b/doc/classes/AudioEffectLowShelfFilter.xml
index aadbf30eaa..32b4f0713a 100644
--- a/doc/classes/AudioEffectLowShelfFilter.xml
+++ b/doc/classes/AudioEffectLowShelfFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectLowShelfFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectLowShelfFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AudioEffectNotchFilter.xml b/doc/classes/AudioEffectNotchFilter.xml
index 0378934890..b866148658 100644
--- a/doc/classes/AudioEffectNotchFilter.xml
+++ b/doc/classes/AudioEffectNotchFilter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectNotchFilter" inherits="AudioEffectFilter" category="Core" version="3.1">
+<class name="AudioEffectNotchFilter" inherits="AudioEffectFilter" category="Core" version="3.2">
 	<brief_description>
 		Adds a notch filter to the Audio Bus.
 	</brief_description>
diff --git a/doc/classes/AudioEffectPanner.xml b/doc/classes/AudioEffectPanner.xml
index cbd14de905..da66b877ac 100644
--- a/doc/classes/AudioEffectPanner.xml
+++ b/doc/classes/AudioEffectPanner.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectPanner" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectPanner" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Panner audio effect to an Audio bus. Pans sound left or right.
 	</brief_description>
diff --git a/doc/classes/AudioEffectPhaser.xml b/doc/classes/AudioEffectPhaser.xml
index 10566d089b..e55e381690 100644
--- a/doc/classes/AudioEffectPhaser.xml
+++ b/doc/classes/AudioEffectPhaser.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectPhaser" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectPhaser" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Phaser audio effect to an Audio bus.
 		Combines the original signal with a copy that is slightly out of phase with the original.
diff --git a/doc/classes/AudioEffectPitchShift.xml b/doc/classes/AudioEffectPitchShift.xml
index 99095bae44..2e270b43f7 100644
--- a/doc/classes/AudioEffectPitchShift.xml
+++ b/doc/classes/AudioEffectPitchShift.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectPitchShift" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectPitchShift" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Pitch shift audio effect to an Audio bus.
 		Raises or lowers the pitch of original sound.
diff --git a/doc/classes/AudioEffectRecord.xml b/doc/classes/AudioEffectRecord.xml
index b7771fc9c5..5f3d4e31e1 100644
--- a/doc/classes/AudioEffectRecord.xml
+++ b/doc/classes/AudioEffectRecord.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectRecord" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectRecord" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AudioEffectReverb.xml b/doc/classes/AudioEffectReverb.xml
index 008c644466..435b9d5126 100644
--- a/doc/classes/AudioEffectReverb.xml
+++ b/doc/classes/AudioEffectReverb.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectReverb" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectReverb" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 		Adds a Reverb audio effect to an Audio bus.
 		Simulates the sound of acoustic environments such as rooms, concert halls, caverns, or an open spaces.
diff --git a/doc/classes/AudioEffectStereoEnhance.xml b/doc/classes/AudioEffectStereoEnhance.xml
index ae296d81a0..9c5715c165 100644
--- a/doc/classes/AudioEffectStereoEnhance.xml
+++ b/doc/classes/AudioEffectStereoEnhance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioEffectStereoEnhance" inherits="AudioEffect" category="Core" version="3.1">
+<class name="AudioEffectStereoEnhance" inherits="AudioEffect" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AudioServer.xml b/doc/classes/AudioServer.xml
index eb3c7cb3b4..82e17e4957 100644
--- a/doc/classes/AudioServer.xml
+++ b/doc/classes/AudioServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioServer" inherits="Object" category="Core" version="3.1">
+<class name="AudioServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Server interface for low level audio access.
 	</brief_description>
diff --git a/doc/classes/AudioStream.xml b/doc/classes/AudioStream.xml
index c0a16adda9..860340e430 100644
--- a/doc/classes/AudioStream.xml
+++ b/doc/classes/AudioStream.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStream" inherits="Resource" category="Core" version="3.1">
+<class name="AudioStream" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base class for audio streams.
 	</brief_description>
diff --git a/doc/classes/AudioStreamMicrophone.xml b/doc/classes/AudioStreamMicrophone.xml
index 079555d17e..2927bf5472 100644
--- a/doc/classes/AudioStreamMicrophone.xml
+++ b/doc/classes/AudioStreamMicrophone.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamMicrophone" inherits="AudioStream" category="Core" version="3.1">
+<class name="AudioStreamMicrophone" inherits="AudioStream" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/AudioStreamPlayback.xml b/doc/classes/AudioStreamPlayback.xml
index 0960935ad9..245cd9908d 100644
--- a/doc/classes/AudioStreamPlayback.xml
+++ b/doc/classes/AudioStreamPlayback.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamPlayback" inherits="Reference" category="Core" version="3.1">
+<class name="AudioStreamPlayback" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Meta class for playing back audio.
 	</brief_description>
diff --git a/doc/classes/AudioStreamPlayer.xml b/doc/classes/AudioStreamPlayer.xml
index e880fc1323..d8b87a3c19 100644
--- a/doc/classes/AudioStreamPlayer.xml
+++ b/doc/classes/AudioStreamPlayer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamPlayer" inherits="Node" category="Core" version="3.1">
+<class name="AudioStreamPlayer" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Plays back audio.
 	</brief_description>
diff --git a/doc/classes/AudioStreamPlayer2D.xml b/doc/classes/AudioStreamPlayer2D.xml
index 28754f8695..1cd2bf7645 100644
--- a/doc/classes/AudioStreamPlayer2D.xml
+++ b/doc/classes/AudioStreamPlayer2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamPlayer2D" inherits="Node2D" category="Core" version="3.1">
+<class name="AudioStreamPlayer2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Plays audio in 2D.
 	</brief_description>
diff --git a/doc/classes/AudioStreamPlayer3D.xml b/doc/classes/AudioStreamPlayer3D.xml
index a0260d8261..8ff5223e4f 100644
--- a/doc/classes/AudioStreamPlayer3D.xml
+++ b/doc/classes/AudioStreamPlayer3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamPlayer3D" inherits="Spatial" category="Core" version="3.1">
+<class name="AudioStreamPlayer3D" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Plays 3D sound in 3D space.
 	</brief_description>
diff --git a/doc/classes/AudioStreamRandomPitch.xml b/doc/classes/AudioStreamRandomPitch.xml
index 992c731d47..3201dcdfb0 100644
--- a/doc/classes/AudioStreamRandomPitch.xml
+++ b/doc/classes/AudioStreamRandomPitch.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamRandomPitch" inherits="AudioStream" category="Core" version="3.1">
+<class name="AudioStreamRandomPitch" inherits="AudioStream" category="Core" version="3.2">
 	<brief_description>
 		Plays audio with random pitch tweaking.
 	</brief_description>
diff --git a/doc/classes/AudioStreamSample.xml b/doc/classes/AudioStreamSample.xml
index 77d5f14ab7..d9b07007de 100644
--- a/doc/classes/AudioStreamSample.xml
+++ b/doc/classes/AudioStreamSample.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamSample" inherits="AudioStream" category="Core" version="3.1">
+<class name="AudioStreamSample" inherits="AudioStream" category="Core" version="3.2">
 	<brief_description>
 		Plays audio.
 	</brief_description>
@@ -12,11 +12,13 @@
 	</demos>
 	<methods>
 		<method name="save_to_wav">
-			<return type="void">
+			<return type="int" enum="Error">
 			</return>
 			<argument index="0" name="path" type="String">
 			</argument>
 			<description>
+				Saves the AudioStreamSample as a WAV file to [code]path[/code]. Samples with IMA ADPCM format can't be saved.
+				Note that a [code].wav[/code] extension is automatically appended to [code]path[/code] if it is missing.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/BackBufferCopy.xml b/doc/classes/BackBufferCopy.xml
index 62c97feaf9..5bbd51f12a 100644
--- a/doc/classes/BackBufferCopy.xml
+++ b/doc/classes/BackBufferCopy.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BackBufferCopy" inherits="Node2D" category="Core" version="3.1">
+<class name="BackBufferCopy" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Copies a region of the screen (or the whole screen) to a buffer so it can be accessed with [code]SCREEN_TEXTURE[/code] in the [code]texture()[/code] function.
 	</brief_description>
diff --git a/doc/classes/BakedLightmap.xml b/doc/classes/BakedLightmap.xml
index d376bf667f..0eb0ec091c 100644
--- a/doc/classes/BakedLightmap.xml
+++ b/doc/classes/BakedLightmap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BakedLightmap" inherits="VisualInstance" category="Core" version="3.1">
+<class name="BakedLightmap" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 		Prerendered indirect light map for a scene.
 	</brief_description>
diff --git a/doc/classes/BakedLightmapData.xml b/doc/classes/BakedLightmapData.xml
index 8ee10b0b8b..14d30a36d9 100644
--- a/doc/classes/BakedLightmapData.xml
+++ b/doc/classes/BakedLightmapData.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BakedLightmapData" inherits="Resource" category="Core" version="3.1">
+<class name="BakedLightmapData" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/BaseButton.xml b/doc/classes/BaseButton.xml
index ff3e22ba26..a8bd79e628 100644
--- a/doc/classes/BaseButton.xml
+++ b/doc/classes/BaseButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BaseButton" inherits="Control" category="Core" version="3.1">
+<class name="BaseButton" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Base class for different kinds of buttons.
 	</brief_description>
@@ -48,7 +48,7 @@
 		</member>
 		<member name="button_mask" type="int" setter="set_button_mask" getter="get_button_mask">
 			Binary mask to choose which mouse buttons this button will respond to.
-			To allow both left-click and right-click, set this to 3, because it's BUTTON_MASK_LEFT | BUTTON_MASK_RIGHT.
+			To allow both left-click and right-click, use [code]BUTTON_MASK_LEFT | BUTTON_MASK_RIGHT[/code].
 		</member>
 		<member name="disabled" type="bool" setter="set_disabled" getter="is_disabled">
 			If [code]true[/code], the button is in disabled state and can't be clicked or toggled.
diff --git a/doc/classes/Basis.xml b/doc/classes/Basis.xml
index b96daed6fc..7b43d58c71 100644
--- a/doc/classes/Basis.xml
+++ b/doc/classes/Basis.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Basis" category="Built-In Types" version="3.1">
+<class name="Basis" category="Built-In Types" version="3.2">
 	<brief_description>
 		3x3 matrix datatype.
 	</brief_description>
diff --git a/doc/classes/BitMap.xml b/doc/classes/BitMap.xml
index 4b7f8007ca..2a666befaf 100644
--- a/doc/classes/BitMap.xml
+++ b/doc/classes/BitMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BitMap" inherits="Resource" category="Core" version="3.1">
+<class name="BitMap" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Boolean matrix.
 	</brief_description>
diff --git a/doc/classes/BitmapFont.xml b/doc/classes/BitmapFont.xml
index 8ed563be5b..cc76abfb33 100644
--- a/doc/classes/BitmapFont.xml
+++ b/doc/classes/BitmapFont.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BitmapFont" inherits="Font" category="Core" version="3.1">
+<class name="BitmapFont" inherits="Font" category="Core" version="3.2">
 	<brief_description>
 		Renders text using [code]*.fnt[/code] fonts.
 	</brief_description>
@@ -38,7 +38,7 @@
 			<argument index="2" name="kerning" type="int">
 			</argument>
 			<description>
-				Adds a kerning pair to the [code]BitmapFont[/code] as a difference. Kerning pairs are special cases where a typeface advance is determined by the next character.
+				Adds a kerning pair to the [BitmapFont] as a difference. Kerning pairs are special cases where a typeface advance is determined by the next character.
 			</description>
 		</method>
 		<method name="add_texture">
@@ -47,7 +47,7 @@
 			<argument index="0" name="texture" type="Texture">
 			</argument>
 			<description>
-				Adds a texture to the [code]BitmapFont[/code].
+				Adds a texture to the [BitmapFont].
 			</description>
 		</method>
 		<method name="clear">
diff --git a/doc/classes/Bone2D.xml b/doc/classes/Bone2D.xml
index 7e714305cd..064506b539 100644
--- a/doc/classes/Bone2D.xml
+++ b/doc/classes/Bone2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Bone2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Bone2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/BoneAttachment.xml b/doc/classes/BoneAttachment.xml
index a85453a415..a109efd897 100644
--- a/doc/classes/BoneAttachment.xml
+++ b/doc/classes/BoneAttachment.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BoneAttachment" inherits="Spatial" category="Core" version="3.1">
+<class name="BoneAttachment" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		A node that will attach to a bone.
 	</brief_description>
diff --git a/doc/classes/BoxContainer.xml b/doc/classes/BoxContainer.xml
index 3fbad58a24..cab115ea01 100644
--- a/doc/classes/BoxContainer.xml
+++ b/doc/classes/BoxContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BoxContainer" inherits="Container" category="Core" version="3.1">
+<class name="BoxContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Base class for box containers.
 	</brief_description>
diff --git a/doc/classes/BoxShape.xml b/doc/classes/BoxShape.xml
index d98a188870..211eed6200 100644
--- a/doc/classes/BoxShape.xml
+++ b/doc/classes/BoxShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BoxShape" inherits="Shape" category="Core" version="3.1">
+<class name="BoxShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Box shape resource.
 	</brief_description>
diff --git a/doc/classes/Button.xml b/doc/classes/Button.xml
index 382a538f2b..26c8f27f33 100644
--- a/doc/classes/Button.xml
+++ b/doc/classes/Button.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Button" inherits="BaseButton" category="Core" version="3.1">
+<class name="Button" inherits="BaseButton" category="Core" version="3.2">
 	<brief_description>
 		Standard themed Button.
 	</brief_description>
diff --git a/doc/classes/ButtonGroup.xml b/doc/classes/ButtonGroup.xml
index 6273c8f83f..b73a88f8b8 100644
--- a/doc/classes/ButtonGroup.xml
+++ b/doc/classes/ButtonGroup.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ButtonGroup" inherits="Resource" category="Core" version="3.1">
+<class name="ButtonGroup" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Group of Buttons.
 	</brief_description>
@@ -16,7 +16,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Returns an [Array] of [Button]s who have this as their [code]ButtonGroup[/code] (see [member BaseButton.group]).
+				Returns an [Array] of [Button]s who have this as their [ButtonGroup] (see [member BaseButton.group]).
 			</description>
 		</method>
 		<method name="get_pressed_button">
diff --git a/doc/classes/CPUParticles.xml b/doc/classes/CPUParticles.xml
index 6db2acac43..7843add097 100644
--- a/doc/classes/CPUParticles.xml
+++ b/doc/classes/CPUParticles.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CPUParticles" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="CPUParticles" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/CPUParticles2D.xml b/doc/classes/CPUParticles2D.xml
index 12a176589c..8bcdd96253 100644
--- a/doc/classes/CPUParticles2D.xml
+++ b/doc/classes/CPUParticles2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CPUParticles2D" inherits="Node2D" category="Core" version="3.1">
+<class name="CPUParticles2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Camera.xml b/doc/classes/Camera.xml
index e56fb63dc5..16b59c725f 100644
--- a/doc/classes/Camera.xml
+++ b/doc/classes/Camera.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Camera" inherits="Spatial" category="Core" version="3.1">
+<class name="Camera" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Camera node, displays from a point of view.
 	</brief_description>
diff --git a/doc/classes/Camera2D.xml b/doc/classes/Camera2D.xml
index fa907dd648..375124cf36 100644
--- a/doc/classes/Camera2D.xml
+++ b/doc/classes/Camera2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Camera2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Camera2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Camera node for 2D scenes.
 	</brief_description>
@@ -23,7 +23,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Removes any [code]Camera2D[/code] from the ancestor [Viewport]'s internal currently-assigned camera.
+				Removes any [Camera2D] from the ancestor [Viewport]'s internal currently-assigned camera.
 			</description>
 		</method>
 		<method name="force_update_scroll">
@@ -44,7 +44,7 @@
 			<return type="Vector2">
 			</return>
 			<description>
-				Returns the location of the [code]Camera2D[/code]'s screen-center, relative to the origin.
+				Returns the location of the [Camera2D]'s screen-center, relative to the origin.
 			</description>
 		</method>
 		<method name="make_current">
@@ -71,7 +71,7 @@
 			If [code]true[/code], the camera is the active camera for the current scene. Only one camera can be current, so setting a different camera [code]current[/code] will disable this one.
 		</member>
 		<member name="custom_viewport" type="Node" setter="set_custom_viewport" getter="get_custom_viewport">
-			The custom [Viewport] node attached to the [code]Camera2D[/code]. If null or not a [Viewport], uses the default viewport instead.
+			The custom [Viewport] node attached to the [Camera2D]. If null or not a [Viewport], uses the default viewport instead.
 		</member>
 		<member name="drag_margin_bottom" type="float" setter="set_drag_margin" getter="get_drag_margin">
 			Bottom margin needed to drag the camera. A value of [code]1[/code] makes the camera move only when reaching the edge of the screen.
diff --git a/doc/classes/CanvasItem.xml b/doc/classes/CanvasItem.xml
index 0ec28f93a7..c1cf7dcabe 100644
--- a/doc/classes/CanvasItem.xml
+++ b/doc/classes/CanvasItem.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CanvasItem" inherits="Node" category="Core" version="3.1">
+<class name="CanvasItem" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Base class of anything 2D.
 	</brief_description>
@@ -510,16 +510,16 @@
 	</methods>
 	<members>
 		<member name="light_mask" type="int" setter="set_light_mask" getter="get_light_mask">
-			The rendering layers in which this [code]CanvasItem[/code] responds to [Light2D] nodes. Default value: [code]1[/code].
+			The rendering layers in which this [CanvasItem] responds to [Light2D] nodes. Default value: [code]1[/code].
 		</member>
 		<member name="material" type="Material" setter="set_material" getter="get_material">
-			The material applied to textures on this [code]CanvasItem[/code]. Default value: [code]null[/code].
+			The material applied to textures on this [CanvasItem]. Default value: [code]null[/code].
 		</member>
 		<member name="modulate" type="Color" setter="set_modulate" getter="get_modulate">
-			The color applied to textures on this [code]CanvasItem[/code]. Default value: [code]Color(1, 1, 1, 1)[/code] (opaque "white").
+			The color applied to textures on this [CanvasItem]. Default value: [code]Color(1, 1, 1, 1)[/code] (opaque "white").
 		</member>
 		<member name="self_modulate" type="Color" setter="set_self_modulate" getter="get_self_modulate">
-			The color applied to textures on this [code]CanvasItem[/code]. This is not inherited by children [code]CanvasItem[/code]s. Default value: [code]Color(1, 1, 1, 1)[/code] (opaque "white")..
+			The color applied to textures on this [CanvasItem]. This is not inherited by children [CanvasItem]s. Default value: [code]Color(1, 1, 1, 1)[/code] (opaque "white")..
 		</member>
 		<member name="show_behind_parent" type="bool" setter="set_draw_behind_parent" getter="is_draw_behind_parent_enabled">
 			If [code]true[/code], the object draws behind its parent. Default value: [code]false[/code].
@@ -528,10 +528,10 @@
 			If [code]true[/code], the object draws on top of its parent. Default value: [code]true[/code].
 		</member>
 		<member name="use_parent_material" type="bool" setter="set_use_parent_material" getter="get_use_parent_material">
-			If [code]true[/code], the parent [code]CanvasItem[/code]'s [member material] property is used as this one's material. Default value: [code]false[/code].
+			If [code]true[/code], the parent [CanvasItem]'s [member material] property is used as this one's material. Default value: [code]false[/code].
 		</member>
 		<member name="visible" type="bool" setter="set_visible" getter="is_visible">
-			If [code]true[/code], this [code]CanvasItem[/code] is drawn. Default value: [code]true[/code]. For controls that inherit [Popup], the correct way to make them visible is to call one of the multiple popup*() functions instead.
+			If [code]true[/code], this [CanvasItem] is drawn. Default value: [code]true[/code]. For controls that inherit [Popup], the correct way to make them visible is to call one of the multiple popup*() functions instead.
 		</member>
 	</members>
 	<signals>
diff --git a/doc/classes/CanvasItemMaterial.xml b/doc/classes/CanvasItemMaterial.xml
index 69d873f446..85d496a4bb 100644
--- a/doc/classes/CanvasItemMaterial.xml
+++ b/doc/classes/CanvasItemMaterial.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CanvasItemMaterial" inherits="Material" category="Core" version="3.1">
+<class name="CanvasItemMaterial" inherits="Material" category="Core" version="3.2">
 	<brief_description>
 		A material for [CanvasItem]s.
 	</brief_description>
 	<description>
-		[code]CanvasItemMaterial[/code]s provide a means of modifying the textures associated with a CanvasItem. They specialize in describing blend and lighting behaviors for textures. Use a [ShaderMaterial] to more fully customize a material's interactions with a [CanvasItem].
+		[CanvasItemMaterial]s provide a means of modifying the textures associated with a CanvasItem. They specialize in describing blend and lighting behaviors for textures. Use a [ShaderMaterial] to more fully customize a material's interactions with a [CanvasItem].
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/CanvasLayer.xml b/doc/classes/CanvasLayer.xml
index c39b47ab07..3d69c92ea3 100644
--- a/doc/classes/CanvasLayer.xml
+++ b/doc/classes/CanvasLayer.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CanvasLayer" inherits="Node" category="Core" version="3.1">
+<class name="CanvasLayer" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Canvas drawing layer.
 	</brief_description>
 	<description>
-		Canvas drawing layer. [CanvasItem] nodes that are direct or indirect children of a [code]CanvasLayer[/code] will be drawn in that layer. The layer is a numeric index that defines the draw order. The default 2D scene renders with index 0, so a [code]CanvasLayer[/code] with index -1 will be drawn below, and one with index 1 will be drawn above. This is very useful for HUDs (in layer 1+ or above), or backgrounds (in layer -1 or below).
+		Canvas drawing layer. [CanvasItem] nodes that are direct or indirect children of a [CanvasLayer] will be drawn in that layer. The layer is a numeric index that defines the draw order. The default 2D scene renders with index 0, so a [CanvasLayer] with index -1 will be drawn below, and one with index 1 will be drawn above. This is very useful for HUDs (in layer 1+ or above), or backgrounds (in layer -1 or below).
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/tutorials/2d/2d_transforms.html</link>
@@ -23,7 +23,7 @@
 	</methods>
 	<members>
 		<member name="custom_viewport" type="Node" setter="set_custom_viewport" getter="get_custom_viewport">
-			The custom [Viewport] node assigned to the [code]CanvasLayer[/code]. If null, uses the default viewport instead.
+			The custom [Viewport] node assigned to the [CanvasLayer]. If null, uses the default viewport instead.
 		</member>
 		<member name="layer" type="int" setter="set_layer" getter="get_layer">
 			Layer index for draw order. Lower values are drawn first. Default value: [code]1[/code].
diff --git a/doc/classes/CanvasModulate.xml b/doc/classes/CanvasModulate.xml
index 7740423cf5..6023c7b11f 100644
--- a/doc/classes/CanvasModulate.xml
+++ b/doc/classes/CanvasModulate.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CanvasModulate" inherits="Node2D" category="Core" version="3.1">
+<class name="CanvasModulate" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Tint the entire canvas.
 	</brief_description>
 	<description>
-		[code]CanvasModulate[/code] tints the canvas elements using its assigned [code]color[/code].
+		[CanvasModulate] tints the canvas elements using its assigned [code]color[/code].
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/CapsuleMesh.xml b/doc/classes/CapsuleMesh.xml
index 3500701290..c1806bba36 100644
--- a/doc/classes/CapsuleMesh.xml
+++ b/doc/classes/CapsuleMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CapsuleMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="CapsuleMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a capsule-shaped [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/CapsuleShape.xml b/doc/classes/CapsuleShape.xml
index 0c00288783..2b60eb6cd3 100644
--- a/doc/classes/CapsuleShape.xml
+++ b/doc/classes/CapsuleShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CapsuleShape" inherits="Shape" category="Core" version="3.1">
+<class name="CapsuleShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Capsule shape for collisions.
 	</brief_description>
diff --git a/doc/classes/CapsuleShape2D.xml b/doc/classes/CapsuleShape2D.xml
index f05b194601..0fa21ad618 100644
--- a/doc/classes/CapsuleShape2D.xml
+++ b/doc/classes/CapsuleShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CapsuleShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="CapsuleShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Capsule shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/CenterContainer.xml b/doc/classes/CenterContainer.xml
index 93c4208765..1575d1ab3e 100644
--- a/doc/classes/CenterContainer.xml
+++ b/doc/classes/CenterContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CenterContainer" inherits="Container" category="Core" version="3.1">
+<class name="CenterContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Keeps children controls centered.
 	</brief_description>
@@ -14,7 +14,7 @@
 	</methods>
 	<members>
 		<member name="use_top_left" type="bool" setter="set_use_top_left" getter="is_using_top_left">
-			If [code]true[/code], centers children relative to the [code]CenterContainer[/code]'s top left corner. Default value: [code]false[/code].
+			If [code]true[/code], centers children relative to the [CenterContainer]'s top left corner. Default value: [code]false[/code].
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/CheckBox.xml b/doc/classes/CheckBox.xml
index a2a7cf85e8..097e32b997 100644
--- a/doc/classes/CheckBox.xml
+++ b/doc/classes/CheckBox.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CheckBox" inherits="Button" category="Core" version="3.1">
+<class name="CheckBox" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Binary choice user interface widget.
 	</brief_description>
diff --git a/doc/classes/CheckButton.xml b/doc/classes/CheckButton.xml
index 24875017fe..fe1fcbbecd 100644
--- a/doc/classes/CheckButton.xml
+++ b/doc/classes/CheckButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CheckButton" inherits="Button" category="Core" version="3.1">
+<class name="CheckButton" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Checkable button.
 	</brief_description>
diff --git a/doc/classes/CircleShape2D.xml b/doc/classes/CircleShape2D.xml
index db84c82e48..2248553eb5 100644
--- a/doc/classes/CircleShape2D.xml
+++ b/doc/classes/CircleShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CircleShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="CircleShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Circular shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/ClassDB.xml b/doc/classes/ClassDB.xml
index e215585b74..6e5381769a 100644
--- a/doc/classes/ClassDB.xml
+++ b/doc/classes/ClassDB.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ClassDB" inherits="Object" category="Core" version="3.1">
+<class name="ClassDB" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Class information repository.
 	</brief_description>
diff --git a/doc/classes/ClippedCamera.xml b/doc/classes/ClippedCamera.xml
index 509ddb01fc..6898b9b719 100644
--- a/doc/classes/ClippedCamera.xml
+++ b/doc/classes/ClippedCamera.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ClippedCamera" inherits="Camera" category="Core" version="3.1">
+<class name="ClippedCamera" inherits="Camera" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/CollisionObject.xml b/doc/classes/CollisionObject.xml
index f702fbadbb..a4e49fd1d5 100644
--- a/doc/classes/CollisionObject.xml
+++ b/doc/classes/CollisionObject.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionObject" inherits="Spatial" category="Core" version="3.1">
+<class name="CollisionObject" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Base node for collision objects.
 	</brief_description>
@@ -183,7 +183,7 @@
 	</methods>
 	<members>
 		<member name="input_capture_on_drag" type="bool" setter="set_capture_input_on_drag" getter="get_capture_input_on_drag">
-			If [code]true[/code], the [code]CollisionObject[/code] will continue to receive input events as the mouse is dragged across its shapes. Default value: [code]false[/code].
+			If [code]true[/code], the [CollisionObject] will continue to receive input events as the mouse is dragged across its shapes. Default value: [code]false[/code].
 		</member>
 		<member name="input_ray_pickable" type="bool" setter="set_ray_pickable" getter="is_ray_pickable">
 			If [code]true[/code], the [CollisionObject]'s shapes will respond to [RayCast]s. Default value: [code]true[/code].
diff --git a/doc/classes/CollisionObject2D.xml b/doc/classes/CollisionObject2D.xml
index 91f283a2b7..31204dc268 100644
--- a/doc/classes/CollisionObject2D.xml
+++ b/doc/classes/CollisionObject2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionObject2D" inherits="Node2D" category="Core" version="3.1">
+<class name="CollisionObject2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Base node for 2D collision objects.
 	</brief_description>
@@ -70,7 +70,7 @@
 			<argument index="0" name="owner_id" type="int">
 			</argument>
 			<description>
-				Returns [code]true[/code] if collisions for the shape owner originating from this [code]CollisionObject2D[/code] will not be reported to collided with [code]CollisionObject2D[/code]s.
+				Returns [code]true[/code] if collisions for the shape owner originating from this [CollisionObject2D] will not be reported to collided with [CollisionObject2D]s.
 			</description>
 		</method>
 		<method name="remove_shape_owner">
@@ -190,7 +190,7 @@
 			<argument index="1" name="enable" type="bool">
 			</argument>
 			<description>
-				If [code]enable[/code] is [code]true[/code], collisions for the shape owner originating from this [code]CollisionObject2D[/code] will not be reported to collided with [code]CollisionObject2D[/code]s.
+				If [code]enable[/code] is [code]true[/code], collisions for the shape owner originating from this [CollisionObject2D] will not be reported to collided with [CollisionObject2D]s.
 			</description>
 		</method>
 		<method name="shape_owner_set_one_way_collision_margin">
diff --git a/doc/classes/CollisionPolygon.xml b/doc/classes/CollisionPolygon.xml
index 0b4f07578e..9a9a3ca673 100644
--- a/doc/classes/CollisionPolygon.xml
+++ b/doc/classes/CollisionPolygon.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionPolygon" inherits="Spatial" category="Core" version="3.1">
+<class name="CollisionPolygon" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Editor-only class for defining a collision polygon in 3D space.
 	</brief_description>
diff --git a/doc/classes/CollisionPolygon2D.xml b/doc/classes/CollisionPolygon2D.xml
index e754a2f2d1..8ac72013e3 100644
--- a/doc/classes/CollisionPolygon2D.xml
+++ b/doc/classes/CollisionPolygon2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionPolygon2D" inherits="Node2D" category="Core" version="3.1">
+<class name="CollisionPolygon2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Defines a 2D collision polygon.
 	</brief_description>
diff --git a/doc/classes/CollisionShape.xml b/doc/classes/CollisionShape.xml
index 740a6b7ab1..ab14f18bfe 100644
--- a/doc/classes/CollisionShape.xml
+++ b/doc/classes/CollisionShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionShape" inherits="Spatial" category="Core" version="3.1">
+<class name="CollisionShape" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Node that represents collision shape data in 3D space.
 	</brief_description>
diff --git a/doc/classes/CollisionShape2D.xml b/doc/classes/CollisionShape2D.xml
index 07dbde1c21..0f8cafe896 100644
--- a/doc/classes/CollisionShape2D.xml
+++ b/doc/classes/CollisionShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CollisionShape2D" inherits="Node2D" category="Core" version="3.1">
+<class name="CollisionShape2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Node that represents collision shape data in 2D space.
 	</brief_description>
diff --git a/doc/classes/Color.xml b/doc/classes/Color.xml
index 68f5734491..9aa30c6755 100644
--- a/doc/classes/Color.xml
+++ b/doc/classes/Color.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Color" category="Built-In Types" version="3.1">
+<class name="Color" category="Built-In Types" version="3.2">
 	<brief_description>
 		Color in RGBA format with some support for ARGB format.
 	</brief_description>
diff --git a/doc/classes/ColorPicker.xml b/doc/classes/ColorPicker.xml
index dfe0492d0b..ca1390feb3 100644
--- a/doc/classes/ColorPicker.xml
+++ b/doc/classes/ColorPicker.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ColorPicker" inherits="BoxContainer" category="Core" version="3.1">
+<class name="ColorPicker" inherits="BoxContainer" category="Core" version="3.2">
 	<brief_description>
 		Color picker control.
 	</brief_description>
diff --git a/doc/classes/ColorPickerButton.xml b/doc/classes/ColorPickerButton.xml
index e1a6290161..ec1662f99d 100644
--- a/doc/classes/ColorPickerButton.xml
+++ b/doc/classes/ColorPickerButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ColorPickerButton" inherits="Button" category="Core" version="3.1">
+<class name="ColorPickerButton" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Button that pops out a [ColorPicker].
 	</brief_description>
diff --git a/doc/classes/ColorRect.xml b/doc/classes/ColorRect.xml
index e1bffb719e..1bc522a187 100644
--- a/doc/classes/ColorRect.xml
+++ b/doc/classes/ColorRect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ColorRect" inherits="Control" category="Core" version="3.1">
+<class name="ColorRect" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Colored rectangle.
 	</brief_description>
diff --git a/doc/classes/ConcavePolygonShape.xml b/doc/classes/ConcavePolygonShape.xml
index f4958d88d0..bc3fdc04af 100644
--- a/doc/classes/ConcavePolygonShape.xml
+++ b/doc/classes/ConcavePolygonShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConcavePolygonShape" inherits="Shape" category="Core" version="3.1">
+<class name="ConcavePolygonShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Concave polygon shape.
 	</brief_description>
diff --git a/doc/classes/ConcavePolygonShape2D.xml b/doc/classes/ConcavePolygonShape2D.xml
index a653872353..218c676dbc 100644
--- a/doc/classes/ConcavePolygonShape2D.xml
+++ b/doc/classes/ConcavePolygonShape2D.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConcavePolygonShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="ConcavePolygonShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Concave polygon 2D shape resource for physics.
 	</brief_description>
 	<description>
 		Concave polygon 2D shape resource for physics. It is made out of segments and is very optimal for complex polygonal concave collisions. It is really not advised to use for [RigidBody2D] nodes. A CollisionPolygon2D in convex decomposition mode (solids) or several convex objects are advised for that instead. Otherwise, a concave polygon 2D shape is better for static collisions.
-		The main difference between a [ConvexPolygonShape2D] and a [code]ConcavePolygonShape2D[/code] is that a concave polygon assumes it is concave and uses a more complex method of collision detection, and a convex one forces itself to be convex in order to speed up collision detection.
+		The main difference between a [ConvexPolygonShape2D] and a [ConcavePolygonShape2D] is that a concave polygon assumes it is concave and uses a more complex method of collision detection, and a convex one forces itself to be convex in order to speed up collision detection.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -15,7 +15,7 @@
 	</methods>
 	<members>
 		<member name="segments" type="PoolVector2Array" setter="set_segments" getter="get_segments">
-			The array of points that make up the [code]ConcavePolygonShape2D[/code]'s line segments.
+			The array of points that make up the [ConcavePolygonShape2D]'s line segments.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/ConeTwistJoint.xml b/doc/classes/ConeTwistJoint.xml
index d6b2f191a4..2f6a4901b9 100644
--- a/doc/classes/ConeTwistJoint.xml
+++ b/doc/classes/ConeTwistJoint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConeTwistJoint" inherits="Joint" category="Core" version="3.1">
+<class name="ConeTwistJoint" inherits="Joint" category="Core" version="3.2">
 	<brief_description>
 		A twist joint between two 3D bodies.
 	</brief_description>
@@ -28,7 +28,7 @@
 		<member name="swing_span" type="float" setter="_set_swing_span" getter="_get_swing_span">
 			Swing is rotation from side to side, around the axis perpendicular to the twist axis.
 			The swing span defines, how much rotation will not get corrected allong the swing axis.
-			Could be defined as looseness in the [code]ConeTwistJoint[/code].
+			Could be defined as looseness in the [ConeTwistJoint].
 			If below 0.05, this behaviour is locked. Default value: [code]PI/4[/code].
 		</member>
 		<member name="twist_span" type="float" setter="_set_twist_span" getter="_get_twist_span">
@@ -40,7 +40,7 @@
 		<constant name="PARAM_SWING_SPAN" value="0" enum="Param">
 			Swing is rotation from side to side, around the axis perpendicular to the twist axis.
 			The swing span defines, how much rotation will not get corrected allong the swing axis.
-			Could be defined as looseness in the [code]ConeTwistJoint[/code].
+			Could be defined as looseness in the [ConeTwistJoint].
 			If below 0.05, this behaviour is locked. Default value: [code]PI/4[/code].
 		</constant>
 		<constant name="PARAM_TWIST_SPAN" value="1" enum="Param">
diff --git a/doc/classes/ConfigFile.xml b/doc/classes/ConfigFile.xml
index 703043294b..5958a6d079 100644
--- a/doc/classes/ConfigFile.xml
+++ b/doc/classes/ConfigFile.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConfigFile" inherits="Reference" category="Core" version="3.1">
+<class name="ConfigFile" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Helper class to handle INI-style files.
 	</brief_description>
diff --git a/doc/classes/ConfirmationDialog.xml b/doc/classes/ConfirmationDialog.xml
index 461f48420a..d8d8c038ba 100644
--- a/doc/classes/ConfirmationDialog.xml
+++ b/doc/classes/ConfirmationDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConfirmationDialog" inherits="AcceptDialog" category="Core" version="3.1">
+<class name="ConfirmationDialog" inherits="AcceptDialog" category="Core" version="3.2">
 	<brief_description>
 		Dialog for confirmation of actions.
 	</brief_description>
diff --git a/doc/classes/Container.xml b/doc/classes/Container.xml
index db365db233..215dc94d79 100644
--- a/doc/classes/Container.xml
+++ b/doc/classes/Container.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Container" inherits="Control" category="Core" version="3.1">
+<class name="Container" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Base node for containers.
 	</brief_description>
 	<description>
-		Base node for containers. A [code]Container[/code] contains other controls and automatically arranges them in a certain way.
+		Base node for containers. A [Container] contains other controls and automatically arranges them in a certain way.
 		A Control can inherit this to create custom container classes.
 	</description>
 	<tutorials>
diff --git a/doc/classes/Control.xml b/doc/classes/Control.xml
index 0152cca957..6a99d119fc 100644
--- a/doc/classes/Control.xml
+++ b/doc/classes/Control.xml
@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Control" inherits="CanvasItem" category="Core" version="3.1">
+<class name="Control" inherits="CanvasItem" category="Core" version="3.2">
 	<brief_description>
 		All User Interface nodes inherit from Control. A control's anchors and margins adapt its position and size relative to its parent.
 	</brief_description>
 	<description>
-		Base class for all User Interface or [i]UI[/i] related nodes. [code]Control[/code] features a bounding rectangle that defines its extents, an anchor position relative to its parent and margins that represent an offset to the anchor. The margins update automatically when the node, any of its parents, or the screen size change.
-		For more information on Godot's UI system, anchors, margins, and containers, see the related tutorials in the manual. To build flexible UIs, you'll need a mix of UI elements that inherit from [code]Control[/code] and [Container] nodes.
+		Base class for all User Interface or [i]UI[/i] related nodes. [Control] features a bounding rectangle that defines its extents, an anchor position relative to its parent and margins that represent an offset to the anchor. The margins update automatically when the node, any of its parents, or the screen size change.
+		For more information on Godot's UI system, anchors, margins, and containers, see the related tutorials in the manual. To build flexible UIs, you'll need a mix of UI elements that inherit from [Control] and [Container] nodes.
 		[b]User Interface nodes and input[/b]
 		Godot sends input events to the scene's root node first, by calling [method Node._input]. [method Node._input] forwards the event down the node tree to the nodes under the mouse cursor, or on keyboard focus. To do so, it calls [method MainLoop._input_event]. Call [method accept_event] so no other node receives the event. Once you accepted an input, it becomes handled so [method Node._unhandled_input] will not process it.
-		Only one [code]Control[/code] node can be in keyboard focus. Only the node in focus will receive keyboard events. To get the focus, call [method grab_focus]. [code]Control[/code] nodes lose focus when another node grabs it, or if you hide the node in focus.
-		Set [member mouse_filter] to [constant MOUSE_FILTER_IGNORE] to tell a [code]Control[/code] node to ignore mouse or touch events. You'll need it if you place an icon on top of a button.
-		[Theme] resources change the Control's appearance. If you change the [Theme] on a [code]Control[/code] node, it affects all of its children. To override some of the theme's parameters, call one of the [code]add_*_override[/code] methods, like [method add_font_override]. You can override the theme with the inspector.
+		Only one [Control] node can be in keyboard focus. Only the node in focus will receive keyboard events. To get the focus, call [method grab_focus]. [Control] nodes lose focus when another node grabs it, or if you hide the node in focus.
+		Set [member mouse_filter] to [constant MOUSE_FILTER_IGNORE] to tell a [Control] node to ignore mouse or touch events. You'll need it if you place an icon on top of a button.
+		[Theme] resources change the Control's appearance. If you change the [Theme] on a [Control] node, it affects all of its children. To override some of the theme's parameters, call one of the [code]add_*_override[/code] methods, like [method add_font_override]. You can override the theme with the inspector.
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/tutorials/gui/index.html</link>
@@ -632,16 +632,16 @@
 			The focus access mode for the control (None, Click or All). Only one Control can be focused at the same time, and it will receive keyboard signals.
 		</member>
 		<member name="focus_neighbour_bottom" type="NodePath" setter="set_focus_neighbour" getter="get_focus_neighbour">
-			Tells Godot which node it should give keyboard focus to if the user presses the down arrow on the keyboard or down on a gamepad by default. You can change the key by editing the [code]ui_down[/code] input action. The node must be a [code]Control[/code]. If this property is not set, Godot will give focus to the closest [code]Control[/code] to the bottom of this one.
+			Tells Godot which node it should give keyboard focus to if the user presses the down arrow on the keyboard or down on a gamepad by default. You can change the key by editing the [code]ui_down[/code] input action. The node must be a [Control]. If this property is not set, Godot will give focus to the closest [Control] to the bottom of this one.
 		</member>
 		<member name="focus_neighbour_left" type="NodePath" setter="set_focus_neighbour" getter="get_focus_neighbour">
-			Tells Godot which node it should give keyboard focus to if the user presses the left arrow on the keyboard or left on a gamepad by default. You can change the key by editing the [code]ui_left[/code] input action. The node must be a [code]Control[/code]. If this property is not set, Godot will give focus to the closest [code]Control[/code] to the left of this one.
+			Tells Godot which node it should give keyboard focus to if the user presses the left arrow on the keyboard or left on a gamepad by default. You can change the key by editing the [code]ui_left[/code] input action. The node must be a [Control]. If this property is not set, Godot will give focus to the closest [Control] to the left of this one.
 		</member>
 		<member name="focus_neighbour_right" type="NodePath" setter="set_focus_neighbour" getter="get_focus_neighbour">
-			Tells Godot which node it should give keyboard focus to if the user presses the right arrow on the keyboard or right on a gamepad  by default. You can change the key by editing the [code]ui_right[/code] input action. The node must be a [code]Control[/code]. If this property is not set, Godot will give focus to the closest [code]Control[/code] to the bottom of this one.
+			Tells Godot which node it should give keyboard focus to if the user presses the right arrow on the keyboard or right on a gamepad  by default. You can change the key by editing the [code]ui_right[/code] input action. The node must be a [Control]. If this property is not set, Godot will give focus to the closest [Control] to the bottom of this one.
 		</member>
 		<member name="focus_neighbour_top" type="NodePath" setter="set_focus_neighbour" getter="get_focus_neighbour">
-			Tells Godot which node it should give keyboard focus to if the user presses the top arrow on the keyboard or top on a gamepad by default. You can change the key by editing the [code]ui_top[/code] input action. The node must be a [code]Control[/code]. If this property is not set, Godot will give focus to the closest [code]Control[/code] to the bottom of this one.
+			Tells Godot which node it should give keyboard focus to if the user presses the top arrow on the keyboard or top on a gamepad by default. You can change the key by editing the [code]ui_top[/code] input action. The node must be a [Control]. If this property is not set, Godot will give focus to the closest [Control] to the bottom of this one.
 		</member>
 		<member name="focus_next" type="NodePath" setter="set_focus_next" getter="get_focus_next">
 			Tells Godot which node it should give keyboard focus to if the user presses Tab on a keyboard by default. You can change the key by editing the [code]ui_focus_next[/code] input action.
@@ -717,7 +717,7 @@
 			Tells the parent [Container] nodes how they should resize and place the node on the Y axis. Use one of the [code]SIZE_*[/code] constants to change the flags. See the constants to learn what each does.
 		</member>
 		<member name="theme" type="Theme" setter="set_theme" getter="get_theme">
-			Changing this property replaces the current [Theme] resource this node and all its [code]Control[/code] children use.
+			Changing this property replaces the current [Theme] resource this node and all its [Control] children use.
 		</member>
 	</members>
 	<signals>
@@ -745,7 +745,7 @@
 		</signal>
 		<signal name="modal_closed">
 			<description>
-				Emitted when a modal [code]Control[/code] is closed. See [method show_modal].
+				Emitted when a modal [Control] is closed. See [method show_modal].
 			</description>
 		</signal>
 		<signal name="mouse_entered">
@@ -903,7 +903,7 @@
 			Snap all 4 anchors to a horizontal line that cuts the parent control in half. Use with [method set_anchors_preset].
 		</constant>
 		<constant name="PRESET_WIDE" value="15" enum="LayoutPreset">
-			Snap all 4 anchors to the respective corners of the parent control. Set all 4 margins to 0 after you applied this preset and the [code]Control[/code] will fit its parent control. This is equivalent to to the "Full Rect" layout option in the editor. Use with [method set_anchors_preset].
+			Snap all 4 anchors to the respective corners of the parent control. Set all 4 margins to 0 after you applied this preset and the [Control] will fit its parent control. This is equivalent to to the "Full Rect" layout option in the editor. Use with [method set_anchors_preset].
 		</constant>
 		<constant name="PRESET_MODE_MINSIZE" value="0" enum="LayoutPresetMode">
 		</constant>
diff --git a/doc/classes/ConvexPolygonShape.xml b/doc/classes/ConvexPolygonShape.xml
index 757b053ffe..874088a6f1 100644
--- a/doc/classes/ConvexPolygonShape.xml
+++ b/doc/classes/ConvexPolygonShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConvexPolygonShape" inherits="Shape" category="Core" version="3.1">
+<class name="ConvexPolygonShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Convex polygon shape for 3D physics.
 	</brief_description>
diff --git a/doc/classes/ConvexPolygonShape2D.xml b/doc/classes/ConvexPolygonShape2D.xml
index 8210e7dc9c..bc60e3f363 100644
--- a/doc/classes/ConvexPolygonShape2D.xml
+++ b/doc/classes/ConvexPolygonShape2D.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ConvexPolygonShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="ConvexPolygonShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Convex Polygon Shape for 2D physics.
 	</brief_description>
 	<description>
 		Convex Polygon Shape for 2D physics. A convex polygon, whatever its shape, is internally decomposed into as many convex polygons as needed to ensure all collision checks against it are always done on convex polygons (which are faster to check).
-		The main difference between a [code]ConvexPolygonShape2D[/code] and a [ConcavePolygonShape2D] is that a concave polygon assumes it is concave and uses a more complex method of collision detection, and a convex one forces itself to be convex in order to speed up collision detection.
+		The main difference between a [ConvexPolygonShape2D] and a [ConcavePolygonShape2D] is that a concave polygon assumes it is concave and uses a more complex method of collision detection, and a convex one forces itself to be convex in order to speed up collision detection.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/CubeMap.xml b/doc/classes/CubeMap.xml
index ac5359738e..2dc9b3d844 100644
--- a/doc/classes/CubeMap.xml
+++ b/doc/classes/CubeMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CubeMap" inherits="Resource" category="Core" version="3.1">
+<class name="CubeMap" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A CubeMap is a 6 sided 3D texture.
 	</brief_description>
@@ -15,7 +15,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns the [code]CubeMap[/code]'s height.
+				Returns the [CubeMap]'s height.
 			</description>
 		</method>
 		<method name="get_side" qualifiers="const">
@@ -24,14 +24,14 @@
 			<argument index="0" name="side" type="int" enum="CubeMap.Side">
 			</argument>
 			<description>
-				Returns an [Image] for a side of the [code]CubeMap[/code] using one of the [code]SIDE_*[/code] constants or an integer 0-5.
+				Returns an [Image] for a side of the [CubeMap] using one of the [code]SIDE_*[/code] constants or an integer 0-5.
 			</description>
 		</method>
 		<method name="get_width" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
-				Returns the [code]CubeMap[/code]'s width.
+				Returns the [CubeMap]'s width.
 			</description>
 		</method>
 		<method name="set_side">
@@ -42,48 +42,48 @@
 			<argument index="1" name="image" type="Image">
 			</argument>
 			<description>
-				Sets an [Image] for a side of the [code]CubeMap[/code] using one of the [code]SIDE_*[/code] constants or an integer 0-5.
+				Sets an [Image] for a side of the [CubeMap] using one of the [code]SIDE_*[/code] constants or an integer 0-5.
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="flags" type="int" setter="set_flags" getter="get_flags">
-			The render flags for the [code]CubeMap[/code]. See the [code]FLAG_*[/code] constants for details.
+			The render flags for the [CubeMap]. See the [code]FLAG_*[/code] constants for details.
 		</member>
 		<member name="lossy_storage_quality" type="float" setter="set_lossy_storage_quality" getter="get_lossy_storage_quality">
-			The lossy storage quality of the [code]CubeMap[/code] if the storage mode is set to STORAGE_COMPRESS_LOSSY.
+			The lossy storage quality of the [CubeMap] if the storage mode is set to STORAGE_COMPRESS_LOSSY.
 		</member>
 		<member name="storage_mode" type="int" setter="set_storage" getter="get_storage" enum="CubeMap.Storage">
-			The [code]CubeMap[/code]'s storage mode. See [code]STORAGE_*[/code] constants.
+			The [CubeMap]'s storage mode. See [code]STORAGE_*[/code] constants.
 		</member>
 	</members>
 	<constants>
 		<constant name="STORAGE_RAW" value="0" enum="Storage">
-			Store the [code]CubeMap[/code] without any compression.
+			Store the [CubeMap] without any compression.
 		</constant>
 		<constant name="STORAGE_COMPRESS_LOSSY" value="1" enum="Storage">
-			Store the [code]CubeMap[/code] with strong compression that reduces image quality.
+			Store the [CubeMap] with strong compression that reduces image quality.
 		</constant>
 		<constant name="STORAGE_COMPRESS_LOSSLESS" value="2" enum="Storage">
-			Store the [code]CubeMap[/code] with moderate compression that doesn't reduce image quality.
+			Store the [CubeMap] with moderate compression that doesn't reduce image quality.
 		</constant>
 		<constant name="SIDE_LEFT" value="0" enum="Side">
-			Identifier for the left face of the [code]CubeMap[/code].
+			Identifier for the left face of the [CubeMap].
 		</constant>
 		<constant name="SIDE_RIGHT" value="1" enum="Side">
-			Identifier for the right face of the [code]CubeMap[/code].
+			Identifier for the right face of the [CubeMap].
 		</constant>
 		<constant name="SIDE_BOTTOM" value="2" enum="Side">
-			Identifier for the bottom face of the [code]CubeMap[/code].
+			Identifier for the bottom face of the [CubeMap].
 		</constant>
 		<constant name="SIDE_TOP" value="3" enum="Side">
-			Identifier for the top face of the [code]CubeMap[/code].
+			Identifier for the top face of the [CubeMap].
 		</constant>
 		<constant name="SIDE_FRONT" value="4" enum="Side">
-			Identifier for the front face of the [code]CubeMap[/code].
+			Identifier for the front face of the [CubeMap].
 		</constant>
 		<constant name="SIDE_BACK" value="5" enum="Side">
-			Identifier for the back face of the [code]CubeMap[/code].
+			Identifier for the back face of the [CubeMap].
 		</constant>
 		<constant name="FLAG_MIPMAPS" value="1" enum="Flags">
 			Generate mipmaps, to enable smooth zooming out of the texture.
diff --git a/doc/classes/CubeMesh.xml b/doc/classes/CubeMesh.xml
index cef412bbde..811c350014 100644
--- a/doc/classes/CubeMesh.xml
+++ b/doc/classes/CubeMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CubeMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="CubeMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Generate an axis-aligned cuboid [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/Curve.xml b/doc/classes/Curve.xml
index 490772e400..327dc42142 100644
--- a/doc/classes/Curve.xml
+++ b/doc/classes/Curve.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Curve" inherits="Resource" category="Core" version="3.1">
+<class name="Curve" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A mathematic curve.
 	</brief_description>
diff --git a/doc/classes/Curve2D.xml b/doc/classes/Curve2D.xml
index dd80ec8e8f..7fe05181ab 100644
--- a/doc/classes/Curve2D.xml
+++ b/doc/classes/Curve2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Curve2D" inherits="Resource" category="Core" version="3.1">
+<class name="Curve2D" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Describes a Bezier curve in 2D space.
 	</brief_description>
diff --git a/doc/classes/Curve3D.xml b/doc/classes/Curve3D.xml
index e9ee1c6974..41957af506 100644
--- a/doc/classes/Curve3D.xml
+++ b/doc/classes/Curve3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Curve3D" inherits="Resource" category="Core" version="3.1">
+<class name="Curve3D" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Describes a Bezier curve in 3D space.
 	</brief_description>
diff --git a/doc/classes/CurveTexture.xml b/doc/classes/CurveTexture.xml
index 10e8a61f99..e0de5d2581 100644
--- a/doc/classes/CurveTexture.xml
+++ b/doc/classes/CurveTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CurveTexture" inherits="Texture" category="Core" version="3.1">
+<class name="CurveTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		A texture that shows a curve.
 	</brief_description>
diff --git a/doc/classes/CylinderMesh.xml b/doc/classes/CylinderMesh.xml
index 623830371a..a5e39d4972 100644
--- a/doc/classes/CylinderMesh.xml
+++ b/doc/classes/CylinderMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CylinderMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="CylinderMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a cylindrical [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/CylinderShape.xml b/doc/classes/CylinderShape.xml
index a63cc8831e..bd6849a8c4 100644
--- a/doc/classes/CylinderShape.xml
+++ b/doc/classes/CylinderShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CylinderShape" inherits="Shape" category="Core" version="3.1">
+<class name="CylinderShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Cylinder shape for collisions.
 	</brief_description>
diff --git a/doc/classes/DampedSpringJoint2D.xml b/doc/classes/DampedSpringJoint2D.xml
index 12e29cec32..bd43e20140 100644
--- a/doc/classes/DampedSpringJoint2D.xml
+++ b/doc/classes/DampedSpringJoint2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="DampedSpringJoint2D" inherits="Joint2D" category="Core" version="3.1">
+<class name="DampedSpringJoint2D" inherits="Joint2D" category="Core" version="3.2">
 	<brief_description>
 		Damped spring constraint for 2D physics.
 	</brief_description>
diff --git a/doc/classes/Dictionary.xml b/doc/classes/Dictionary.xml
index 9c78853cfe..4a654f7425 100644
--- a/doc/classes/Dictionary.xml
+++ b/doc/classes/Dictionary.xml
@@ -1,13 +1,23 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Dictionary" category="Built-In Types" version="3.1">
+<class name="Dictionary" category="Built-In Types" version="3.2">
 	<brief_description>
 		Dictionary type.
 	</brief_description>
 	<description>
 		Dictionary type. Associative container which contains values referenced by unique keys. Dictionaries are always passed by reference.
 		Erasing elements while iterating over them [b]is not supported[/b].
+		Creating a dictionary:
+		[codeblock]
+		var d = {4: 5, "A key": "A value", 28: [1, 2, 3]}
+		[/codeblock]
+		To add a key to an existing dictionary, access it like an existing key and assign to it:
+		[codeblock]
+		d[4] = "hello"  # Add integer 4 as a key and assign the String "hello" as its value.
+		d["Godot"] = 3.01  # Add String "Godot" as a key and assign the value 3.01 to it.
+		[/codeblock]
 	</description>
 	<tutorials>
+		<link>https://docs.godotengine.org/en/latest/getting_started/scripting/gdscript/gdscript_basics.html#dictionary</link>
 	</tutorials>
 	<demos>
 	</demos>
@@ -50,7 +60,7 @@
 			<argument index="1" name="default" type="Variant" default="Null">
 			</argument>
 			<description>
-				Returns the current value for the specified key in the [code]Dictionary[/code]. If the key does not exist, the method returns the value of the optional default argument, or Null if it is omitted.
+				Returns the current value for the specified key in the [Dictionary]. If the key does not exist, the method returns the value of the optional default argument, or Null if it is omitted.
 			</description>
 		</method>
 		<method name="has">
@@ -82,7 +92,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Return the list of keys in the [code]Dictionary[/code].
+				Return the list of keys in the [Dictionary].
 			</description>
 		</method>
 		<method name="size">
@@ -96,7 +106,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Return the list of values in the [code]Dictionary[/code].
+				Return the list of values in the [Dictionary].
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/DirectionalLight.xml b/doc/classes/DirectionalLight.xml
index 4a2802ffa4..cb509b8bb3 100644
--- a/doc/classes/DirectionalLight.xml
+++ b/doc/classes/DirectionalLight.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="DirectionalLight" inherits="Light" category="Core" version="3.1">
+<class name="DirectionalLight" inherits="Light" category="Core" version="3.2">
 	<brief_description>
 		Directional light from a distance, as from the Sun.
 	</brief_description>
diff --git a/doc/classes/Directory.xml b/doc/classes/Directory.xml
index 57301f954f..18e819784a 100644
--- a/doc/classes/Directory.xml
+++ b/doc/classes/Directory.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Directory" inherits="Reference" category="Core" version="3.1">
+<class name="Directory" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Type used to handle the filesystem.
 	</brief_description>
diff --git a/doc/classes/DynamicFont.xml b/doc/classes/DynamicFont.xml
index 249d0955f2..500da1b30f 100644
--- a/doc/classes/DynamicFont.xml
+++ b/doc/classes/DynamicFont.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="DynamicFont" inherits="Font" category="Core" version="3.1">
+<class name="DynamicFont" inherits="Font" category="Core" version="3.2">
 	<brief_description>
 		DynamicFont renders vector font files at runtime.
 	</brief_description>
diff --git a/doc/classes/DynamicFontData.xml b/doc/classes/DynamicFontData.xml
index 5fcccf7db9..d9fd6bfcb0 100644
--- a/doc/classes/DynamicFontData.xml
+++ b/doc/classes/DynamicFontData.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="DynamicFontData" inherits="Resource" category="Core" version="3.1">
+<class name="DynamicFontData" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Used with [DynamicFont] to describe the location of a font file.
 	</brief_description>
diff --git a/doc/classes/EditorExportPlugin.xml b/doc/classes/EditorExportPlugin.xml
index a6b72d08ff..e25c76b3f5 100644
--- a/doc/classes/EditorExportPlugin.xml
+++ b/doc/classes/EditorExportPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorExportPlugin" inherits="Reference" category="Core" version="3.1">
+<class name="EditorExportPlugin" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorFileDialog.xml b/doc/classes/EditorFileDialog.xml
index fc5a26fc33..281229bd10 100644
--- a/doc/classes/EditorFileDialog.xml
+++ b/doc/classes/EditorFileDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorFileDialog" inherits="ConfirmationDialog" category="Core" version="3.1">
+<class name="EditorFileDialog" inherits="ConfirmationDialog" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
@@ -15,7 +15,7 @@
 			<argument index="0" name="filter" type="String">
 			</argument>
 			<description>
-				Adds a comma-delimited file extension filter option to the [code]EditorFileDialog[/code] with an optional semi-colon-delimited label.
+				Adds a comma-delimited file extension filter option to the [EditorFileDialog] with an optional semi-colon-delimited label.
 				Example: "*.tscn, *.scn; Scenes", results in filter text "Scenes (*.tscn, *.scn)".
 			</description>
 		</method>
@@ -37,7 +37,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Notify the [code]EditorFileDialog[/code] that its view of the data is no longer accurate. Updates the view contents on next view update.
+				Notify the [EditorFileDialog] that its view of the data is no longer accurate. Updates the view contents on next view update.
 			</description>
 		</method>
 	</methods>
@@ -55,16 +55,16 @@
 			The file system path in the address bar.
 		</member>
 		<member name="disable_overwrite_warning" type="bool" setter="set_disable_overwrite_warning" getter="is_overwrite_warning_disabled">
-			If [code]true[/code], the [code]EditorFileDialog[/code] will not warn the user before overwriting files.
+			If [code]true[/code], the [EditorFileDialog] will not warn the user before overwriting files.
 		</member>
 		<member name="display_mode" type="int" setter="set_display_mode" getter="get_display_mode" enum="EditorFileDialog.DisplayMode">
-			The view format in which the [code]EditorFileDialog[/code] displays resources to the user.
+			The view format in which the [EditorFileDialog] displays resources to the user.
 		</member>
 		<member name="mode" type="int" setter="set_mode" getter="get_mode" enum="EditorFileDialog.Mode">
-			The purpose of the [code]EditorFileDialog[/code]. Changes allowed behaviors.
+			The purpose of the [EditorFileDialog]. Changes allowed behaviors.
 		</member>
 		<member name="show_hidden_files" type="bool" setter="set_show_hidden_files" getter="is_showing_hidden_files">
-			If [code]true[/code], hidden files and directories will be visible in the [code]EditorFileDialog[/code].
+			If [code]true[/code], hidden files and directories will be visible in the [EditorFileDialog].
 		</member>
 	</members>
 	<signals>
@@ -92,34 +92,34 @@
 	</signals>
 	<constants>
 		<constant name="MODE_OPEN_FILE" value="0" enum="Mode">
-			The [code]EditorFileDialog[/code] can select only one file. Accepting the window will open the file.
+			The [EditorFileDialog] can select only one file. Accepting the window will open the file.
 		</constant>
 		<constant name="MODE_OPEN_FILES" value="1" enum="Mode">
-			The [code]EditorFileDialog[/code] can select multiple files. Accepting the window will open all files.
+			The [EditorFileDialog] can select multiple files. Accepting the window will open all files.
 		</constant>
 		<constant name="MODE_OPEN_DIR" value="2" enum="Mode">
-			The [code]EditorFileDialog[/code] can select only one directory. Accepting the window will open the directory.
+			The [EditorFileDialog] can select only one directory. Accepting the window will open the directory.
 		</constant>
 		<constant name="MODE_OPEN_ANY" value="3" enum="Mode">
-			The [code]EditorFileDialog[/code] can select a file or directory. Accepting the window will open it.
+			The [EditorFileDialog] can select a file or directory. Accepting the window will open it.
 		</constant>
 		<constant name="MODE_SAVE_FILE" value="4" enum="Mode">
-			The [code]EditorFileDialog[/code] can select only one file. Accepting the window will save the file.
+			The [EditorFileDialog] can select only one file. Accepting the window will save the file.
 		</constant>
 		<constant name="ACCESS_RESOURCES" value="0" enum="Access">
-			The [code]EditorFileDialog[/code] can only view [code]res://[/code] directory contents.
+			The [EditorFileDialog] can only view [code]res://[/code] directory contents.
 		</constant>
 		<constant name="ACCESS_USERDATA" value="1" enum="Access">
-			The [code]EditorFileDialog[/code] can only view [code]user://[/code] directory contents.
+			The [EditorFileDialog] can only view [code]user://[/code] directory contents.
 		</constant>
 		<constant name="ACCESS_FILESYSTEM" value="2" enum="Access">
-			The [code]EditorFileDialog[/code] can view the entire local file system.
+			The [EditorFileDialog] can view the entire local file system.
 		</constant>
 		<constant name="DISPLAY_THUMBNAILS" value="0" enum="DisplayMode">
-			The [code]EditorFileDialog[/code] displays resources as thumbnails.
+			The [EditorFileDialog] displays resources as thumbnails.
 		</constant>
 		<constant name="DISPLAY_LIST" value="1" enum="DisplayMode">
-			The [code]EditorFileDialog[/code] displays resources as a list of filenames.
+			The [EditorFileDialog] displays resources as a list of filenames.
 		</constant>
 	</constants>
 </class>
diff --git a/doc/classes/EditorFileSystem.xml b/doc/classes/EditorFileSystem.xml
index 91e5bd81c3..9e4380e6a0 100644
--- a/doc/classes/EditorFileSystem.xml
+++ b/doc/classes/EditorFileSystem.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorFileSystem" inherits="Node" category="Core" version="3.1">
+<class name="EditorFileSystem" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Resource filesystem, as the editor sees it.
 	</brief_description>
diff --git a/doc/classes/EditorFileSystemDirectory.xml b/doc/classes/EditorFileSystemDirectory.xml
index 9dd28d2400..bf6a9a1dc1 100644
--- a/doc/classes/EditorFileSystemDirectory.xml
+++ b/doc/classes/EditorFileSystemDirectory.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorFileSystemDirectory" inherits="Object" category="Core" version="3.1">
+<class name="EditorFileSystemDirectory" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		A directory for the resource filesystem.
 	</brief_description>
diff --git a/doc/classes/EditorImportPlugin.xml b/doc/classes/EditorImportPlugin.xml
index 9005d4a765..c1eead174d 100644
--- a/doc/classes/EditorImportPlugin.xml
+++ b/doc/classes/EditorImportPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorImportPlugin" inherits="Reference" category="Core" version="3.1">
+<class name="EditorImportPlugin" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Registers a custom resource importer in the editor. Use the class to parse any file and import it as a new resource type.
 	</brief_description>
diff --git a/doc/classes/EditorInspector.xml b/doc/classes/EditorInspector.xml
index 5601f9b5ae..e7e9ea495d 100644
--- a/doc/classes/EditorInspector.xml
+++ b/doc/classes/EditorInspector.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorInspector" inherits="ScrollContainer" category="Core" version="3.1">
+<class name="EditorInspector" inherits="ScrollContainer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorInspectorPlugin.xml b/doc/classes/EditorInspectorPlugin.xml
index 9bda768b14..e5e886057f 100644
--- a/doc/classes/EditorInspectorPlugin.xml
+++ b/doc/classes/EditorInspectorPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorInspectorPlugin" inherits="Reference" category="Core" version="3.1">
+<class name="EditorInspectorPlugin" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorInterface.xml b/doc/classes/EditorInterface.xml
index c7b81d7c75..30ff609a81 100644
--- a/doc/classes/EditorInterface.xml
+++ b/doc/classes/EditorInterface.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorInterface" inherits="Node" category="Core" version="3.1">
+<class name="EditorInterface" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Godot editor's interface.
 	</brief_description>
diff --git a/doc/classes/EditorPlugin.xml b/doc/classes/EditorPlugin.xml
index bcf6d3009c..9d0f0d8035 100644
--- a/doc/classes/EditorPlugin.xml
+++ b/doc/classes/EditorPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorPlugin" inherits="Node" category="Core" version="3.1">
+<class name="EditorPlugin" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Used by the editor to extend its functionality.
 	</brief_description>
diff --git a/doc/classes/EditorProperty.xml b/doc/classes/EditorProperty.xml
index b3fc036edb..b3e1a613b0 100644
--- a/doc/classes/EditorProperty.xml
+++ b/doc/classes/EditorProperty.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorProperty" inherits="Container" category="Core" version="3.1">
+<class name="EditorProperty" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorResourceConversionPlugin.xml b/doc/classes/EditorResourceConversionPlugin.xml
index ad0b7b0586..9f8412becd 100644
--- a/doc/classes/EditorResourceConversionPlugin.xml
+++ b/doc/classes/EditorResourceConversionPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorResourceConversionPlugin" inherits="Reference" category="Core" version="3.1">
+<class name="EditorResourceConversionPlugin" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorResourcePreview.xml b/doc/classes/EditorResourcePreview.xml
index 3b3e8a8369..d5f7a8ac89 100644
--- a/doc/classes/EditorResourcePreview.xml
+++ b/doc/classes/EditorResourcePreview.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorResourcePreview" inherits="Node" category="Core" version="3.1">
+<class name="EditorResourcePreview" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Helper to generate previews of resources or files.
 	</brief_description>
diff --git a/doc/classes/EditorResourcePreviewGenerator.xml b/doc/classes/EditorResourcePreviewGenerator.xml
index c4dcbbbc82..d607b66c05 100644
--- a/doc/classes/EditorResourcePreviewGenerator.xml
+++ b/doc/classes/EditorResourcePreviewGenerator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorResourcePreviewGenerator" inherits="Reference" category="Core" version="3.1">
+<class name="EditorResourcePreviewGenerator" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Custom generator of previews.
 	</brief_description>
diff --git a/doc/classes/EditorSceneImporter.xml b/doc/classes/EditorSceneImporter.xml
index 6394dfdfe9..aee8712e74 100644
--- a/doc/classes/EditorSceneImporter.xml
+++ b/doc/classes/EditorSceneImporter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorSceneImporter" inherits="Reference" category="Core" version="3.1">
+<class name="EditorSceneImporter" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/EditorSceneImporterAssimp.xml b/doc/classes/EditorSceneImporterAssimp.xml
new file mode 100644
index 0000000000..0214f9eba2
--- /dev/null
+++ b/doc/classes/EditorSceneImporterAssimp.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="EditorSceneImporterAssimp" inherits="EditorSceneImporter" category="Core" version="3.2">
+	<brief_description>
+		This is a multi-format 3d asset importer.
+	</brief_description>
+	<description>
+		This is a multi-format 3d asset importer.
+		Use these FBX export settings from Autodesk Maya.
+		[codeblock]
+		* Smoothing Groups
+		* Smooth Mesh
+		* Triangluate (For mesh with blendshapes)
+		* Bake Animation
+		* Resample All
+		* Deformed Models
+		* Skins
+		* Blend Shapes
+		* Curve Filters
+		* Constant Key Reducer
+		* Auto Tangents Only
+		* DO NOT CHECK Constraints (Will Break File)
+		* Can check Embed Media (Embeds textures into FBX file to import)
+		-- Note: When importing embed media, texture and mesh will be a un-alterable file.
+		--       Reimport of fbx with updated texture is need if texture is updated.
+		* Units: Centimeters
+		* Up Axis: Y
+		* Binary format in FBX 2017
+		[/codeblock]
+	</description>
+	<tutorials>
+	</tutorials>
+	<demos>
+	</demos>
+	<methods>
+	</methods>
+	<constants>
+	</constants>
+</class>
diff --git a/doc/classes/EditorScenePostImport.xml b/doc/classes/EditorScenePostImport.xml
index e69f3b0119..788574d7d2 100644
--- a/doc/classes/EditorScenePostImport.xml
+++ b/doc/classes/EditorScenePostImport.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorScenePostImport" inherits="Reference" category="Core" version="3.1">
+<class name="EditorScenePostImport" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Post process scenes after import
 	</brief_description>
diff --git a/doc/classes/EditorScript.xml b/doc/classes/EditorScript.xml
index 1c22095b37..117817d311 100644
--- a/doc/classes/EditorScript.xml
+++ b/doc/classes/EditorScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorScript" inherits="Reference" category="Core" version="3.1">
+<class name="EditorScript" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Base script that can be used to add extension functions to the editor.
 	</brief_description>
diff --git a/doc/classes/EditorSelection.xml b/doc/classes/EditorSelection.xml
index 4edd8583a0..d1975d786e 100644
--- a/doc/classes/EditorSelection.xml
+++ b/doc/classes/EditorSelection.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorSelection" inherits="Object" category="Core" version="3.1">
+<class name="EditorSelection" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Manages the SceneTree selection in the editor.
 	</brief_description>
diff --git a/doc/classes/EditorSettings.xml b/doc/classes/EditorSettings.xml
index 9d48669a6b..0743a4bd6b 100644
--- a/doc/classes/EditorSettings.xml
+++ b/doc/classes/EditorSettings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorSettings" inherits="Resource" category="Core" version="3.1">
+<class name="EditorSettings" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Object that holds the project-independent editor settings.
 	</brief_description>
diff --git a/doc/classes/EditorSpatialGizmo.xml b/doc/classes/EditorSpatialGizmo.xml
index 0bec11e183..0eff0bc0f8 100644
--- a/doc/classes/EditorSpatialGizmo.xml
+++ b/doc/classes/EditorSpatialGizmo.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorSpatialGizmo" inherits="SpatialGizmo" category="Core" version="3.1">
+<class name="EditorSpatialGizmo" inherits="SpatialGizmo" category="Core" version="3.2">
 	<brief_description>
 		Custom gizmo for editing Spatial objects.
 	</brief_description>
diff --git a/doc/classes/EditorSpatialGizmoPlugin.xml b/doc/classes/EditorSpatialGizmoPlugin.xml
index a6c0413c19..bebf166e37 100644
--- a/doc/classes/EditorSpatialGizmoPlugin.xml
+++ b/doc/classes/EditorSpatialGizmoPlugin.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EditorSpatialGizmoPlugin" inherits="Resource" category="Core" version="3.1">
+<class name="EditorSpatialGizmoPlugin" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Used by the editor to define Spatial gizmo types.
 	</brief_description>
@@ -137,6 +137,12 @@
 				Override this method to provide the name that will appear in the gizmo visibility menu.
 			</description>
 		</method>
+		<method name="get_priority" qualifiers="virtual">
+			<return type="String">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="has_gizmo" qualifiers="virtual">
 			<return type="bool">
 			</return>
diff --git a/doc/classes/EncodedObjectAsID.xml b/doc/classes/EncodedObjectAsID.xml
index 8e6a117ea2..f7052de46e 100644
--- a/doc/classes/EncodedObjectAsID.xml
+++ b/doc/classes/EncodedObjectAsID.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="EncodedObjectAsID" inherits="Reference" category="Core" version="3.1">
+<class name="EncodedObjectAsID" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Engine.xml b/doc/classes/Engine.xml
index d947784676..76d3a8390c 100644
--- a/doc/classes/Engine.xml
+++ b/doc/classes/Engine.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Engine" inherits="Object" category="Core" version="3.1">
+<class name="Engine" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Access to basic engine properties.
 	</brief_description>
 	<description>
-		The [code]Engine[/code] class allows you to query and modify the game's run-time parameters, such as frames per second, time scale, and others.
+		The [Engine] class allows you to query and modify the game's run-time parameters, such as frames per second, time scale, and others.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/Environment.xml b/doc/classes/Environment.xml
index ced9ab7269..d75baa30cf 100644
--- a/doc/classes/Environment.xml
+++ b/doc/classes/Environment.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Environment" inherits="Resource" category="Core" version="3.1">
+<class name="Environment" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Resource for environment nodes (like [WorldEnvironment]) that define multiple rendering options.
 	</brief_description>
diff --git a/doc/classes/Expression.xml b/doc/classes/Expression.xml
index 78623b359e..a983ab0cf3 100644
--- a/doc/classes/Expression.xml
+++ b/doc/classes/Expression.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Expression" inherits="Reference" category="Core" version="3.1">
+<class name="Expression" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A class that stores an expression you can execute.
 	</brief_description>
diff --git a/doc/classes/File.xml b/doc/classes/File.xml
index c9a8f18116..533a6d6399 100644
--- a/doc/classes/File.xml
+++ b/doc/classes/File.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="File" inherits="Reference" category="Core" version="3.1">
+<class name="File" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Type to handle file reading and writing operations.
 	</brief_description>
@@ -204,8 +204,11 @@
 		<method name="get_var" qualifiers="const">
 			<return type="Variant">
 			</return>
+			<argument index="0" name="allow_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Returns the next [Variant] value from the file.
+				Returns the next [Variant] value from the file. When [code]allow_objects[/code] is [code]true[/code] decoding objects is allowed.
+				[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 			</description>
 		</method>
 		<method name="is_open" qualifiers="const">
@@ -398,8 +401,10 @@
 			</return>
 			<argument index="0" name="value" type="Variant">
 			</argument>
+			<argument index="1" name="full_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Stores any Variant value in the file.
+				Stores any Variant value in the file. When [code]full_objects[/code] is [code]true[/code] encoding objects is allowed (and can potentially include code).
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/FileDialog.xml b/doc/classes/FileDialog.xml
index 0af645975a..3ebe37e5ba 100644
--- a/doc/classes/FileDialog.xml
+++ b/doc/classes/FileDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="FileDialog" inherits="ConfirmationDialog" category="Core" version="3.1">
+<class name="FileDialog" inherits="ConfirmationDialog" category="Core" version="3.2">
 	<brief_description>
 		Dialog for selecting files or directories in the filesystem.
 	</brief_description>
diff --git a/doc/classes/Font.xml b/doc/classes/Font.xml
index 6cb5e0b17a..3e2347a4f8 100644
--- a/doc/classes/Font.xml
+++ b/doc/classes/Font.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Font" inherits="Resource" category="Core" version="3.1">
+<class name="Font" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Internationalized font and text drawing support.
 	</brief_description>
diff --git a/doc/classes/FuncRef.xml b/doc/classes/FuncRef.xml
index 02b9dcfd88..f0254cecaf 100644
--- a/doc/classes/FuncRef.xml
+++ b/doc/classes/FuncRef.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="FuncRef" inherits="Reference" category="Core" version="3.1">
+<class name="FuncRef" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Reference to a function in an object.
 	</brief_description>
 	<description>
 		In GDScript, functions are not [i]first-class objects[/i]. This means it is impossible to store them directly as variables, return them from another function, or pass them as arguments.
-		However, by creating a [code]FuncRef[/code] using the [method @GDScript.funcref] function, a reference to a function in a given object can be created, passed around and called.
+		However, by creating a [FuncRef] using the [method @GDScript.funcref] function, a reference to a function in a given object can be created, passed around and called.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/GDNativeLibraryResourceLoader.xml b/doc/classes/GDNativeLibraryResourceLoader.xml
index 865381667d..17ee34c41b 100644
--- a/doc/classes/GDNativeLibraryResourceLoader.xml
+++ b/doc/classes/GDNativeLibraryResourceLoader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDNativeLibraryResourceLoader" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="GDNativeLibraryResourceLoader" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/GDNativeLibraryResourceSaver.xml b/doc/classes/GDNativeLibraryResourceSaver.xml
index 39f423d762..f7d4b538ae 100644
--- a/doc/classes/GDNativeLibraryResourceSaver.xml
+++ b/doc/classes/GDNativeLibraryResourceSaver.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDNativeLibraryResourceSaver" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="GDNativeLibraryResourceSaver" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/GIProbe.xml b/doc/classes/GIProbe.xml
index 5fb0ccc33d..c32fbc651e 100644
--- a/doc/classes/GIProbe.xml
+++ b/doc/classes/GIProbe.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GIProbe" inherits="VisualInstance" category="Core" version="3.1">
+<class name="GIProbe" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/GIProbeData.xml b/doc/classes/GIProbeData.xml
index b2186d7647..fcb9e6c14c 100644
--- a/doc/classes/GIProbeData.xml
+++ b/doc/classes/GIProbeData.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GIProbeData" inherits="Resource" category="Core" version="3.1">
+<class name="GIProbeData" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Generic6DOFJoint.xml b/doc/classes/Generic6DOFJoint.xml
index 95f9a76662..0a3b7b9027 100644
--- a/doc/classes/Generic6DOFJoint.xml
+++ b/doc/classes/Generic6DOFJoint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Generic6DOFJoint" inherits="Joint" category="Core" version="3.1">
+<class name="Generic6DOFJoint" inherits="Joint" category="Core" version="3.2">
 	<brief_description>
 		The generic 6 degrees of freedom joint can implement a variety of joint-types by locking certain axes' rotation or translation.
 	</brief_description>
diff --git a/doc/classes/Geometry.xml b/doc/classes/Geometry.xml
index ea2e2f7595..fe431d55a9 100644
--- a/doc/classes/Geometry.xml
+++ b/doc/classes/Geometry.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Geometry" inherits="Object" category="Core" version="3.1">
+<class name="Geometry" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/GeometryInstance.xml b/doc/classes/GeometryInstance.xml
index d6267044f7..023b782586 100644
--- a/doc/classes/GeometryInstance.xml
+++ b/doc/classes/GeometryInstance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GeometryInstance" inherits="VisualInstance" category="Core" version="3.1">
+<class name="GeometryInstance" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 		Base node for geometry based visual instances.
 	</brief_description>
diff --git a/doc/classes/Gradient.xml b/doc/classes/Gradient.xml
index bf3f125e48..321d630b08 100644
--- a/doc/classes/Gradient.xml
+++ b/doc/classes/Gradient.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Gradient" inherits="Resource" category="Core" version="3.1">
+<class name="Gradient" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Color interpolator node.
 	</brief_description>
diff --git a/doc/classes/GradientTexture.xml b/doc/classes/GradientTexture.xml
index d064e15e17..f343fb9b34 100644
--- a/doc/classes/GradientTexture.xml
+++ b/doc/classes/GradientTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GradientTexture" inherits="Texture" category="Core" version="3.1">
+<class name="GradientTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		Gradient filled texture.
 	</brief_description>
diff --git a/doc/classes/GraphEdit.xml b/doc/classes/GraphEdit.xml
index 715c23d869..68ab1a40c6 100644
--- a/doc/classes/GraphEdit.xml
+++ b/doc/classes/GraphEdit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GraphEdit" inherits="Control" category="Core" version="3.1">
+<class name="GraphEdit" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		GraphEdit is an area capable of showing various GraphNodes. It manages connection events between them.
 	</brief_description>
diff --git a/doc/classes/GraphNode.xml b/doc/classes/GraphNode.xml
index 6e09926c11..a26310e912 100644
--- a/doc/classes/GraphNode.xml
+++ b/doc/classes/GraphNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GraphNode" inherits="Container" category="Core" version="3.1">
+<class name="GraphNode" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		A GraphNode is a container with several input and output slots allowing connections between GraphNodes. Slots can have different, incompatible types.
 	</brief_description>
diff --git a/doc/classes/GridContainer.xml b/doc/classes/GridContainer.xml
index a304f34ed2..8825296611 100644
--- a/doc/classes/GridContainer.xml
+++ b/doc/classes/GridContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GridContainer" inherits="Container" category="Core" version="3.1">
+<class name="GridContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Grid container used to arrange elements in a grid like layout.
 	</brief_description>
@@ -14,7 +14,7 @@
 	</methods>
 	<members>
 		<member name="columns" type="int" setter="set_columns" getter="get_columns">
-			The number of columns in the [code]GridContainer[/code]. If modified, [code]GridContainer[/code] reorders its children to accommodate the new layout.
+			The number of columns in the [GridContainer]. If modified, [GridContainer] reorders its children to accommodate the new layout.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/GrooveJoint2D.xml b/doc/classes/GrooveJoint2D.xml
index a15c658f78..7c951eca83 100644
--- a/doc/classes/GrooveJoint2D.xml
+++ b/doc/classes/GrooveJoint2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GrooveJoint2D" inherits="Joint2D" category="Core" version="3.1">
+<class name="GrooveJoint2D" inherits="Joint2D" category="Core" version="3.2">
 	<brief_description>
 		Groove constraint for 2D physics.
 	</brief_description>
diff --git a/doc/classes/HBoxContainer.xml b/doc/classes/HBoxContainer.xml
index 9c86f17ef1..3adaf56cbf 100644
--- a/doc/classes/HBoxContainer.xml
+++ b/doc/classes/HBoxContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HBoxContainer" inherits="BoxContainer" category="Core" version="3.1">
+<class name="HBoxContainer" inherits="BoxContainer" category="Core" version="3.2">
 	<brief_description>
 		Horizontal box container.
 	</brief_description>
diff --git a/doc/classes/HScrollBar.xml b/doc/classes/HScrollBar.xml
index 61759c4f94..fd6fa148cb 100644
--- a/doc/classes/HScrollBar.xml
+++ b/doc/classes/HScrollBar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HScrollBar" inherits="ScrollBar" category="Core" version="3.1">
+<class name="HScrollBar" inherits="ScrollBar" category="Core" version="3.2">
 	<brief_description>
 		Horizontal scroll bar.
 	</brief_description>
diff --git a/doc/classes/HSeparator.xml b/doc/classes/HSeparator.xml
index 1a9cf25857..f5d9f23993 100644
--- a/doc/classes/HSeparator.xml
+++ b/doc/classes/HSeparator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HSeparator" inherits="Separator" category="Core" version="3.1">
+<class name="HSeparator" inherits="Separator" category="Core" version="3.2">
 	<brief_description>
 		Horizontal separator.
 	</brief_description>
diff --git a/doc/classes/HSlider.xml b/doc/classes/HSlider.xml
index 6d5acded3c..fe34404572 100644
--- a/doc/classes/HSlider.xml
+++ b/doc/classes/HSlider.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HSlider" inherits="Slider" category="Core" version="3.1">
+<class name="HSlider" inherits="Slider" category="Core" version="3.2">
 	<brief_description>
 		Horizontal slider.
 	</brief_description>
diff --git a/doc/classes/HSplitContainer.xml b/doc/classes/HSplitContainer.xml
index 45b99c85a6..88527cf4ea 100644
--- a/doc/classes/HSplitContainer.xml
+++ b/doc/classes/HSplitContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HSplitContainer" inherits="SplitContainer" category="Core" version="3.1">
+<class name="HSplitContainer" inherits="SplitContainer" category="Core" version="3.2">
 	<brief_description>
 		Horizontal split container.
 	</brief_description>
diff --git a/doc/classes/HTTPClient.xml b/doc/classes/HTTPClient.xml
index 5436e2b1eb..f03b47afc5 100644
--- a/doc/classes/HTTPClient.xml
+++ b/doc/classes/HTTPClient.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HTTPClient" inherits="Reference" category="Core" version="3.1">
+<class name="HTTPClient" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Hyper-text transfer protocol client.
 	</brief_description>
 	<description>
 		Hyper-text transfer protocol client (sometimes called "User Agent"). Used to make HTTP requests to download web content, upload files and other data or to communicate with various services, among other use cases.
 		Note that this client only needs to connect to a host once (see [method connect_to_host]) to send multiple requests. Because of this, methods that take URLs usually take just the part after the host instead of the full URL, as the client is already connected to a host. See [method request] for a full example and to get started.
-		A [code]HTTPClient[/code] should be reused between multiple requests or to connect to different hosts instead of creating one client per request. Supports SSL and SSL server certificate verification. HTTP status codes in the 2xx range indicate success, 3xx redirection (i.e. "try again, but over here"), 4xx something was wrong with the request, and 5xx something went wrong on the server's side.
+		A [HTTPClient] should be reused between multiple requests or to connect to different hosts instead of creating one client per request. Supports SSL and SSL server certificate verification. HTTP status codes in the 2xx range indicate success, 3xx redirection (i.e. "try again, but over here"), 4xx something was wrong with the request, and 5xx something went wrong on the server's side.
 		For more information on HTTP, see https://developer.mozilla.org/en-US/docs/Web/HTTP (or read RFC 2616 to get it straight from the source: https://tools.ietf.org/html/rfc2616).
 	</description>
 	<tutorials>
@@ -20,7 +20,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Closes the current connection, allowing reuse of this [code]HTTPClient[/code].
+				Closes the current connection, allowing reuse of this [HTTPClient].
 			</description>
 		</method>
 		<method name="connect_to_host">
@@ -82,14 +82,14 @@
 			<return type="bool">
 			</return>
 			<description>
-				If [code]true[/code], this [code]HTTPClient[/code] has a response available.
+				If [code]true[/code], this [HTTPClient] has a response available.
 			</description>
 		</method>
 		<method name="is_response_chunked" qualifiers="const">
 			<return type="bool">
 			</return>
 			<description>
-				If [code]true[/code], this [code]HTTPClient[/code] has a response that is chunked.
+				If [code]true[/code], this [HTTPClient] has a response that is chunked.
 			</description>
 		</method>
 		<method name="poll">
diff --git a/doc/classes/HTTPRequest.xml b/doc/classes/HTTPRequest.xml
index 3271fef8e3..7444503060 100644
--- a/doc/classes/HTTPRequest.xml
+++ b/doc/classes/HTTPRequest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HTTPRequest" inherits="Node" category="Core" version="3.1">
+<class name="HTTPRequest" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		A node with the ability to send HTTP requests.
 	</brief_description>
diff --git a/doc/classes/HingeJoint.xml b/doc/classes/HingeJoint.xml
index 41d3b2311d..cb99cca6bf 100644
--- a/doc/classes/HingeJoint.xml
+++ b/doc/classes/HingeJoint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="HingeJoint" inherits="Joint" category="Core" version="3.1">
+<class name="HingeJoint" inherits="Joint" category="Core" version="3.2">
 	<brief_description>
 		A hinge between two 3D bodies.
 	</brief_description>
diff --git a/doc/classes/IP.xml b/doc/classes/IP.xml
index bcb15e44fc..4c7365b0f6 100644
--- a/doc/classes/IP.xml
+++ b/doc/classes/IP.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="IP" inherits="Object" category="Core" version="3.1">
+<class name="IP" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Internet protocol (IP) support functions like DNS resolution.
 	</brief_description>
diff --git a/doc/classes/IP_Unix.xml b/doc/classes/IP_Unix.xml
index 0dd4455562..68392c9bdf 100644
--- a/doc/classes/IP_Unix.xml
+++ b/doc/classes/IP_Unix.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="IP_Unix" inherits="IP" category="Core" version="3.1">
+<class name="IP_Unix" inherits="IP" category="Core" version="3.2">
 	<brief_description>
 		Unix IP support. See [IP].
 	</brief_description>
diff --git a/doc/classes/Image.xml b/doc/classes/Image.xml
index f165027d44..3ebd9432e5 100644
--- a/doc/classes/Image.xml
+++ b/doc/classes/Image.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Image" inherits="Resource" category="Core" version="3.1">
+<class name="Image" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Image datatype.
 	</brief_description>
 	<description>
-		Native image datatype. Contains image data, which can be converted to a [Texture], and several functions to interact with it. The maximum width and height for an [code]Image[/code] are [constant MAX_WIDTH] and [constant MAX_HEIGHT].
+		Native image datatype. Contains image data, which can be converted to a [Texture], and several functions to interact with it. The maximum width and height for an [Image] are [constant MAX_WIDTH] and [constant MAX_HEIGHT].
 	</description>
 	<tutorials>
 	</tutorials>
@@ -477,10 +477,10 @@
 	</members>
 	<constants>
 		<constant name="MAX_WIDTH" value="16384">
-			The maximal width allowed for [code]Image[/code] resources.
+			The maximal width allowed for [Image] resources.
 		</constant>
 		<constant name="MAX_HEIGHT" value="16384">
-			The maximal height allowed for [code]Image[/code] resources.
+			The maximal height allowed for [Image] resources.
 		</constant>
 		<constant name="FORMAT_L8" value="0" enum="Format">
 		</constant>
diff --git a/doc/classes/ImageTexture.xml b/doc/classes/ImageTexture.xml
index 579886c771..79eb97717b 100644
--- a/doc/classes/ImageTexture.xml
+++ b/doc/classes/ImageTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ImageTexture" inherits="Texture" category="Core" version="3.1">
+<class name="ImageTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		A [Texture] based on an [Image].
 	</brief_description>
@@ -23,7 +23,7 @@
 			<argument index="3" name="flags" type="int" default="7">
 			</argument>
 			<description>
-				Create a new [code]ImageTexture[/code] with [code]width[/code] and [code]height[/code].
+				Create a new [ImageTexture] with [code]width[/code] and [code]height[/code].
 				[code]format[/code] is a value from [enum Image.Format], [code]flags[/code] is any combination of [enum Texture.Flags].
 			</description>
 		</method>
@@ -35,14 +35,14 @@
 			<argument index="1" name="flags" type="int" default="7">
 			</argument>
 			<description>
-				Create a new [code]ImageTexture[/code] from an [Image] with [code]flags[/code] from [enum Texture.Flags]. An sRGB to linear color space conversion can take place, according to [enum Image.Format].
+				Create a new [ImageTexture] from an [Image] with [code]flags[/code] from [enum Texture.Flags]. An sRGB to linear color space conversion can take place, according to [enum Image.Format].
 			</description>
 		</method>
 		<method name="get_format" qualifiers="const">
 			<return type="int" enum="Image.Format">
 			</return>
 			<description>
-				Return the format of the [code]ImageTexture[/code], one of [enum Image.Format].
+				Return the format of the [ImageTexture], one of [enum Image.Format].
 			</description>
 		</method>
 		<method name="load">
@@ -51,7 +51,7 @@
 			<argument index="0" name="path" type="String">
 			</argument>
 			<description>
-				Load an [code]ImageTexture[/code] from a file path.
+				Load an [ImageTexture] from a file path.
 			</description>
 		</method>
 		<method name="set_data">
@@ -60,7 +60,7 @@
 			<argument index="0" name="image" type="Image">
 			</argument>
 			<description>
-				Set the [Image] of this [code]ImageTexture[/code].
+				Set the [Image] of this [ImageTexture].
 			</description>
 		</method>
 		<method name="set_size_override">
@@ -69,7 +69,7 @@
 			<argument index="0" name="size" type="Vector2">
 			</argument>
 			<description>
-				Resizes the [code]ImageTexture[/code] to the specified dimensions.
+				Resizes the [ImageTexture] to the specified dimensions.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/ImmediateGeometry.xml b/doc/classes/ImmediateGeometry.xml
index 29d05bf877..8ea3f41812 100644
--- a/doc/classes/ImmediateGeometry.xml
+++ b/doc/classes/ImmediateGeometry.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ImmediateGeometry" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="ImmediateGeometry" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 		Draws simple geometry from code.
 	</brief_description>
diff --git a/doc/classes/Input.xml b/doc/classes/Input.xml
index 724e6a078d..6302515fcb 100644
--- a/doc/classes/Input.xml
+++ b/doc/classes/Input.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Input" inherits="Object" category="Core" version="3.1">
+<class name="Input" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		A Singleton that deals with inputs.
 	</brief_description>
@@ -90,7 +90,7 @@
 			<argument index="1" name="axis" type="int">
 			</argument>
 			<description>
-				Returns the current value of the joypad axis at given index (see [code]JOY_*[/code] constants in [@GlobalScope])
+				Returns the current value of the joypad axis at given index (see [enum JoystickList]).
 			</description>
 		</method>
 		<method name="get_joy_axis_index_from_string">
@@ -108,7 +108,7 @@
 			<argument index="0" name="axis_index" type="int">
 			</argument>
 			<description>
-				Receives a [code]JOY_AXIS_*[/code] Enum and returns its equivalent name as a string.
+				Receives a [enum JoystickList] axis and returns its equivalent name as a string.
 			</description>
 		</method>
 		<method name="get_joy_button_index_from_string">
@@ -126,7 +126,7 @@
 			<argument index="0" name="button_index" type="int">
 			</argument>
 			<description>
-				Receives a [code]JOY_BUTTON_*[/code] Enum and returns its equivalent name as a string.
+				Receives a joy button from [enum JoystickList] and returns its equivalent name as a string.
 			</description>
 		</method>
 		<method name="get_joy_guid" qualifiers="const">
@@ -229,7 +229,7 @@
 			<argument index="1" name="button" type="int">
 			</argument>
 			<description>
-				Returns [code]true[/code] if you are pressing the joypad button. (see [code]JOY_*[/code] constants in [@GlobalScope])
+				Returns [code]true[/code] if you are pressing the joypad button (see [enum JoystickList]).
 			</description>
 		</method>
 		<method name="is_joy_known">
@@ -238,7 +238,7 @@
 			<argument index="0" name="device" type="int">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the system knows the specified device. This means that it sets all button and axis indices exactly as defined in the [code]JOY_*[/code] constants (see [@GlobalScope]). Unknown joypads are not expected to match these constants, but you can still retrieve events from them.
+				Returns [code]true[/code] if the system knows the specified device. This means that it sets all button and axis indices exactly as defined in [enum JoystickList]. Unknown joypads are not expected to match these constants, but you can still retrieve events from them.
 			</description>
 		</method>
 		<method name="is_key_pressed" qualifiers="const">
@@ -247,7 +247,7 @@
 			<argument index="0" name="scancode" type="int">
 			</argument>
 			<description>
-				Returns [code]true[/code] if you are pressing the key. You can pass [code]KEY_*[/code], which are pre-defined constants listed in [@GlobalScope].
+				Returns [code]true[/code] if you are pressing the key. You can pass a [enum KeyList] constant.
 			</description>
 		</method>
 		<method name="is_mouse_button_pressed" qualifiers="const">
@@ -256,7 +256,7 @@
 			<argument index="0" name="button" type="int">
 			</argument>
 			<description>
-				Returns [code]true[/code] if you are pressing the mouse button. You can pass [code]BUTTON_*[/code], which are pre-defined constants listed in [@GlobalScope].
+				Returns [code]true[/code] if you are pressing the mouse button specified with [enum ButtonList].
 			</description>
 		</method>
 		<method name="joy_connection_changed">
@@ -325,6 +325,15 @@
 				Set the mouse mode. See the constants for more information.
 			</description>
 		</method>
+		<method name="set_use_accumulated_input">
+			<return type="void">
+			</return>
+			<argument index="0" name="enable" type="bool">
+			</argument>
+			<description>
+				Whether to accumulate similar input events sent by the operating system. Defaults to [code]true[/code].
+			</description>
+		</method>
 		<method name="start_joy_vibration">
 			<return type="void">
 			</return>
diff --git a/doc/classes/InputDefault.xml b/doc/classes/InputDefault.xml
index 27bfff2e67..471a43ff7e 100644
--- a/doc/classes/InputDefault.xml
+++ b/doc/classes/InputDefault.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputDefault" inherits="Input" category="Core" version="3.1">
+<class name="InputDefault" inherits="Input" category="Core" version="3.2">
 	<brief_description>
 		Default implementation of the [Input] class.
 	</brief_description>
diff --git a/doc/classes/InputEvent.xml b/doc/classes/InputEvent.xml
index c880823aee..447c7251b8 100644
--- a/doc/classes/InputEvent.xml
+++ b/doc/classes/InputEvent.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEvent" inherits="Resource" category="Core" version="3.1">
+<class name="InputEvent" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Generic input event
 	</brief_description>
@@ -13,6 +13,14 @@
 	<demos>
 	</demos>
 	<methods>
+		<method name="accumulate">
+			<return type="bool">
+			</return>
+			<argument index="0" name="with_event" type="InputEvent">
+			</argument>
+			<description>
+			</description>
+		</method>
 		<method name="as_text" qualifiers="const">
 			<return type="String">
 			</return>
@@ -59,7 +67,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				Returns [code]true[/code] if this input event's type is one of the [code]InputEvent[/code] constants.
+				Returns [code]true[/code] if this input event's type is one of the [InputEvent] constants.
 			</description>
 		</method>
 		<method name="is_echo" qualifiers="const">
diff --git a/doc/classes/InputEventAction.xml b/doc/classes/InputEventAction.xml
index bd0d774180..a3eeea8756 100644
--- a/doc/classes/InputEventAction.xml
+++ b/doc/classes/InputEventAction.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventAction" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventAction" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Input event type for actions.
 	</brief_description>
diff --git a/doc/classes/InputEventGesture.xml b/doc/classes/InputEventGesture.xml
index eb1e613b7c..9d6b44f140 100644
--- a/doc/classes/InputEventGesture.xml
+++ b/doc/classes/InputEventGesture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventGesture" inherits="InputEventWithModifiers" category="Core" version="3.1">
+<class name="InputEventGesture" inherits="InputEventWithModifiers" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/InputEventJoypadButton.xml b/doc/classes/InputEventJoypadButton.xml
index 1875ea508a..f77bf86cb9 100644
--- a/doc/classes/InputEventJoypadButton.xml
+++ b/doc/classes/InputEventJoypadButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventJoypadButton" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventJoypadButton" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Input event for gamepad buttons.
 	</brief_description>
@@ -15,7 +15,7 @@
 	</methods>
 	<members>
 		<member name="button_index" type="int" setter="set_button_index" getter="get_button_index">
-			Button identifier. One of the [code]JOY_BUTTON_*[/code] constants from [@GlobalScope].
+			Button identifier. One of the [enum JoystickList] button constants.
 		</member>
 		<member name="pressed" type="bool" setter="set_pressed" getter="is_pressed">
 			If [code]true[/code], the button's state is pressed. If [code]false[/code], the button's state is released.
diff --git a/doc/classes/InputEventJoypadMotion.xml b/doc/classes/InputEventJoypadMotion.xml
index 0c73f53158..35b7c0ce46 100644
--- a/doc/classes/InputEventJoypadMotion.xml
+++ b/doc/classes/InputEventJoypadMotion.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventJoypadMotion" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventJoypadMotion" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Input event type for gamepad joysticks and other motions. For buttons see [code]InputEventJoypadButton[/code].
 	</brief_description>
 	<description>
-		Stores information about joystick motions. One [code]InputEventJoypadMotion[/code] represents one axis at a time.
+		Stores information about joystick motions. One [InputEventJoypadMotion] represents one axis at a time.
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/tutorials/inputs/inputevent.html</link>
@@ -15,7 +15,7 @@
 	</methods>
 	<members>
 		<member name="axis" type="int" setter="set_axis" getter="get_axis">
-			Axis identifier. Use one of the [code]JOY_AXIS_*[/code] constants in [@GlobalScope].
+			Axis identifier. Use one of the [enum JoystickList] axis constants.
 		</member>
 		<member name="axis_value" type="float" setter="set_axis_value" getter="get_axis_value">
 			Current position of the joystick on the given axis. The value ranges from [code]-1.0[/code] to [code]1.0[/code]. A value of [code]0[/code] means the axis is in its resting position.
diff --git a/doc/classes/InputEventKey.xml b/doc/classes/InputEventKey.xml
index 4d8a2f6242..90a01eef4c 100644
--- a/doc/classes/InputEventKey.xml
+++ b/doc/classes/InputEventKey.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventKey" inherits="InputEventWithModifiers" category="Core" version="3.1">
+<class name="InputEventKey" inherits="InputEventWithModifiers" category="Core" version="3.2">
 	<brief_description>
 		Input event type for keyboard events.
 	</brief_description>
@@ -28,7 +28,7 @@
 			If [code]true[/code], the key's state is pressed. If [code]false[/code], the key's state is released.
 		</member>
 		<member name="scancode" type="int" setter="set_scancode" getter="get_scancode">
-			Key scancode, one of the [code]KEY_*[/code] constants in [@GlobalScope].
+			Key scancode, one of the [enum KeyList] constants.
 		</member>
 		<member name="unicode" type="int" setter="set_unicode" getter="get_unicode">
 			Key unicode identifier when relevant.
diff --git a/doc/classes/InputEventMIDI.xml b/doc/classes/InputEventMIDI.xml
index 2cdd70e42c..3f7cf0cf7c 100644
--- a/doc/classes/InputEventMIDI.xml
+++ b/doc/classes/InputEventMIDI.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventMIDI" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventMIDI" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/InputEventMagnifyGesture.xml b/doc/classes/InputEventMagnifyGesture.xml
index e9a0149c56..c4f66c4d45 100644
--- a/doc/classes/InputEventMagnifyGesture.xml
+++ b/doc/classes/InputEventMagnifyGesture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventMagnifyGesture" inherits="InputEventGesture" category="Core" version="3.1">
+<class name="InputEventMagnifyGesture" inherits="InputEventGesture" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/InputEventMouse.xml b/doc/classes/InputEventMouse.xml
index 27e8d17407..05e1be0fe7 100644
--- a/doc/classes/InputEventMouse.xml
+++ b/doc/classes/InputEventMouse.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventMouse" inherits="InputEventWithModifiers" category="Core" version="3.1">
+<class name="InputEventMouse" inherits="InputEventWithModifiers" category="Core" version="3.2">
 	<brief_description>
 		Base input event type for mouse events.
 	</brief_description>
@@ -15,7 +15,7 @@
 	</methods>
 	<members>
 		<member name="button_mask" type="int" setter="set_button_mask" getter="get_button_mask">
-			Mouse button mask identifier, one of or a bitwise combination of the BUTTON_MASK_* constants in [@GlobalScope].
+			Mouse button mask identifier, one of or a bitwise combination of the [enum ButtonList] button masks.
 		</member>
 		<member name="global_position" type="Vector2" setter="set_global_position" getter="get_global_position">
 			Mouse position relative to the current [Viewport] when used in [method Control._gui_input], otherwise is at 0,0.
diff --git a/doc/classes/InputEventMouseButton.xml b/doc/classes/InputEventMouseButton.xml
index 8603a4f673..2647f80dd8 100644
--- a/doc/classes/InputEventMouseButton.xml
+++ b/doc/classes/InputEventMouseButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventMouseButton" inherits="InputEventMouse" category="Core" version="3.1">
+<class name="InputEventMouseButton" inherits="InputEventMouse" category="Core" version="3.2">
 	<brief_description>
 		Input event type for mouse button events.
 	</brief_description>
@@ -15,7 +15,7 @@
 	</methods>
 	<members>
 		<member name="button_index" type="int" setter="set_button_index" getter="get_button_index">
-			Mouse button identifier, one of the BUTTON_* or BUTTON_WHEEL_* constants in [@GlobalScope].
+			Mouse button identifier, one of the [enum ButtonList] button or button wheel constants.
 		</member>
 		<member name="doubleclick" type="bool" setter="set_doubleclick" getter="is_doubleclick">
 			If [code]true[/code], the mouse button's state is a double-click.
diff --git a/doc/classes/InputEventMouseMotion.xml b/doc/classes/InputEventMouseMotion.xml
index f7f6358910..0accf02aaf 100644
--- a/doc/classes/InputEventMouseMotion.xml
+++ b/doc/classes/InputEventMouseMotion.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventMouseMotion" inherits="InputEventMouse" category="Core" version="3.1">
+<class name="InputEventMouseMotion" inherits="InputEventMouse" category="Core" version="3.2">
 	<brief_description>
 		Input event type for mouse motion events.
 	</brief_description>
diff --git a/doc/classes/InputEventPanGesture.xml b/doc/classes/InputEventPanGesture.xml
index 063986ae65..be5867e7b9 100644
--- a/doc/classes/InputEventPanGesture.xml
+++ b/doc/classes/InputEventPanGesture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventPanGesture" inherits="InputEventGesture" category="Core" version="3.1">
+<class name="InputEventPanGesture" inherits="InputEventGesture" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/InputEventScreenDrag.xml b/doc/classes/InputEventScreenDrag.xml
index a320c0a028..9d9e4b33ba 100644
--- a/doc/classes/InputEventScreenDrag.xml
+++ b/doc/classes/InputEventScreenDrag.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventScreenDrag" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventScreenDrag" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Input event type for screen drag events.
 		(only available on mobile devices)
diff --git a/doc/classes/InputEventScreenTouch.xml b/doc/classes/InputEventScreenTouch.xml
index 8b1b9cae9f..6c5d37330f 100644
--- a/doc/classes/InputEventScreenTouch.xml
+++ b/doc/classes/InputEventScreenTouch.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventScreenTouch" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventScreenTouch" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Input event type for screen touch events.
 		(only available on mobile devices)
diff --git a/doc/classes/InputEventWithModifiers.xml b/doc/classes/InputEventWithModifiers.xml
index fcf2fd545e..620927af08 100644
--- a/doc/classes/InputEventWithModifiers.xml
+++ b/doc/classes/InputEventWithModifiers.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputEventWithModifiers" inherits="InputEvent" category="Core" version="3.1">
+<class name="InputEventWithModifiers" inherits="InputEvent" category="Core" version="3.2">
 	<brief_description>
 		Base class for keys events with modifiers.
 	</brief_description>
diff --git a/doc/classes/InputMap.xml b/doc/classes/InputMap.xml
index 3779aa399f..5c6bba44cc 100644
--- a/doc/classes/InputMap.xml
+++ b/doc/classes/InputMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InputMap" inherits="Object" category="Core" version="3.1">
+<class name="InputMap" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Singleton that manages [InputEventAction].
 	</brief_description>
@@ -72,7 +72,7 @@
 			<argument index="1" name="deadzone" type="float" default="0.5">
 			</argument>
 			<description>
-				Adds an empty action to the [code]InputMap[/code] with a configurable [code]deadzone[/code].
+				Adds an empty action to the [InputMap] with a configurable [code]deadzone[/code].
 				An [InputEvent] can then be added to this action with [method action_add_event].
 			</description>
 		</method>
@@ -82,7 +82,7 @@
 			<argument index="0" name="action" type="String">
 			</argument>
 			<description>
-				Removes an action from the [code]InputMap[/code].
+				Removes an action from the [InputMap].
 			</description>
 		</method>
 		<method name="event_is_action" qualifiers="const">
@@ -109,7 +109,7 @@
 			<return type="Array">
 			</return>
 			<description>
-				Returns an array of all actions in the [code]InputMap[/code].
+				Returns an array of all actions in the [InputMap].
 			</description>
 		</method>
 		<method name="has_action" qualifiers="const">
@@ -118,14 +118,14 @@
 			<argument index="0" name="action" type="String">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]InputMap[/code] has a registered action with the given name.
+				Returns [code]true[/code] if the [InputMap] has a registered action with the given name.
 			</description>
 		</method>
 		<method name="load_from_globals">
 			<return type="void">
 			</return>
 			<description>
-				Clears all [InputEventAction] in the [code]InputMap[/code] and load it anew from [ProjectSettings].
+				Clears all [InputEventAction] in the [InputMap] and load it anew from [ProjectSettings].
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/InstancePlaceholder.xml b/doc/classes/InstancePlaceholder.xml
index 71c859fd9e..7dc5b4031a 100644
--- a/doc/classes/InstancePlaceholder.xml
+++ b/doc/classes/InstancePlaceholder.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InstancePlaceholder" inherits="Node" category="Core" version="3.1">
+<class name="InstancePlaceholder" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Placeholder for the root [Node] of a [PackedScene].
 	</brief_description>
diff --git a/doc/classes/InterpolatedCamera.xml b/doc/classes/InterpolatedCamera.xml
index fdb4361091..38b97be962 100644
--- a/doc/classes/InterpolatedCamera.xml
+++ b/doc/classes/InterpolatedCamera.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="InterpolatedCamera" inherits="Camera" category="Core" version="3.1">
+<class name="InterpolatedCamera" inherits="Camera" category="Core" version="3.2">
 	<brief_description>
 		Camera which moves toward another node.
 	</brief_description>
diff --git a/doc/classes/ItemList.xml b/doc/classes/ItemList.xml
index 4df8a14804..b16a80a537 100644
--- a/doc/classes/ItemList.xml
+++ b/doc/classes/ItemList.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ItemList" inherits="Control" category="Core" version="3.1">
+<class name="ItemList" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Control that provides a list of selectable items (and/or icons) in a single column, or optionally in multiple columns.
 	</brief_description>
diff --git a/doc/classes/JSON.xml b/doc/classes/JSON.xml
index fbf9aea7f9..ee02733615 100644
--- a/doc/classes/JSON.xml
+++ b/doc/classes/JSON.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="JSON" inherits="Object" category="Core" version="3.1">
+<class name="JSON" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Helper class for parsing JSON data.
 	</brief_description>
diff --git a/doc/classes/JSONParseResult.xml b/doc/classes/JSONParseResult.xml
index 4d2987cc04..0d28b5bf61 100644
--- a/doc/classes/JSONParseResult.xml
+++ b/doc/classes/JSONParseResult.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="JSONParseResult" inherits="Reference" category="Core" version="3.1">
+<class name="JSONParseResult" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Data class wrapper for decoded JSON.
 	</brief_description>
 	<description>
-		Returned by [method JSON.parse], [code]JSONParseResult[/code] contains decoded JSON or error information if JSON source not successfully parsed. You can check if JSON source was successfully parsed with [code]if json_result.error == OK[/code].
+		Returned by [method JSON.parse], [JSONParseResult] contains decoded JSON or error information if JSON source not successfully parsed. You can check if JSON source was successfully parsed with [code]if json_result.error == OK[/code].
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/JavaScript.xml b/doc/classes/JavaScript.xml
index fa3aaed684..524de0c915 100644
--- a/doc/classes/JavaScript.xml
+++ b/doc/classes/JavaScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="JavaScript" inherits="Object" category="Core" version="3.1">
+<class name="JavaScript" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Singleton that connects the engine with the browser's JavaScript context in HTML5 export.
 	</brief_description>
diff --git a/doc/classes/Joint.xml b/doc/classes/Joint.xml
index 32fdb31a99..8ebe597d80 100644
--- a/doc/classes/Joint.xml
+++ b/doc/classes/Joint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Joint" inherits="Spatial" category="Core" version="3.1">
+<class name="Joint" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Base class for all 3D joints
 	</brief_description>
diff --git a/doc/classes/Joint2D.xml b/doc/classes/Joint2D.xml
index 641765e671..61df0ee698 100644
--- a/doc/classes/Joint2D.xml
+++ b/doc/classes/Joint2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Joint2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Joint2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Base node for all joint constraints in 2D physics.
 	</brief_description>
diff --git a/doc/classes/KinematicBody.xml b/doc/classes/KinematicBody.xml
index 83abd723d0..9ef1d0cdb9 100644
--- a/doc/classes/KinematicBody.xml
+++ b/doc/classes/KinematicBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="KinematicBody" inherits="PhysicsBody" category="Core" version="3.1">
+<class name="KinematicBody" inherits="PhysicsBody" category="Core" version="3.2">
 	<brief_description>
 		Kinematic body 3D node.
 	</brief_description>
@@ -65,7 +65,9 @@
 			</argument>
 			<argument index="1" name="infinite_inertia" type="bool" default="true">
 			</argument>
-			<argument index="2" name="test_only" type="bool" default="false">
+			<argument index="2" name="exclude_raycast_shapes" type="bool" default="true">
+			</argument>
+			<argument index="3" name="test_only" type="bool" default="false">
 			</argument>
 			<description>
 				Moves the body along the vector [code]rel_vec[/code]. The body will stop if it collides. Returns a [KinematicCollision], which contains information about the collision.
@@ -88,13 +90,14 @@
 			<argument index="5" name="infinite_inertia" type="bool" default="true">
 			</argument>
 			<description>
-				Moves the body along a vector. If the body collides with another, it will slide along the other body rather than stop immediately. If the other body is a [code]KinematicBody[/code] or [RigidBody], it will also be affected by the motion of the other body. You can use this to make moving or rotating platforms, or to make nodes push other nodes.
+				Moves the body along a vector. If the body collides with another, it will slide along the other body rather than stop immediately. If the other body is a [KinematicBody] or [RigidBody], it will also be affected by the motion of the other body. You can use this to make moving or rotating platforms, or to make nodes push other nodes.
 				[code]linear_velocity[/code] is the velocity vector (typically meters per second). Unlike in [method move_and_collide], you should [i]not[/i] multiply it by [code]delta[/code] — the physics engine handles applying the velocity.
 				[code]floor_normal[/code] is the up direction, used to determine what is a wall and what is a floor or a ceiling. If set to the default value of [code]Vector3(0, 0, 0)[/code], everything is considered a wall. This is useful for topdown games.
-				If the body is standing on a slope and the horizontal speed (relative to the floor's speed) goes below [code]slope_stop_min_velocity[/code], the body will stop completely. This prevents the body from sliding down slopes when you include gravity in [code]linear_velocity[/code]. When set to lower values, the body will not be able to stand still on steep slopes.
+				If [code]stop_on_slope[/code] is true, body will not slide on slopes if you include gravity in [code]linear_velocity[/code].
 				If the body collides, it will change direction a maximum of [code]max_slides[/code] times before it stops.
 				[code]floor_max_angle[/code] is the maximum angle (in radians) where a slope is still considered a floor (or a ceiling), rather than a wall. The default value equals 45 degrees.
-				Returns the movement that remained when the body stopped. To get more detailed information about collisions that occurred, use [method get_slide_collision].
+				If [code]infinite_inertia[/code] is true, body will be able to push [RigidBody] nodes, but it won't also detect any collisions with them. When false, it will interact with [RigidBody] nodes like with [StaticBody].
+				Returns the [code]linear_velocity[/code] vector, rotated and/or scaled if a slide collision occurred. To get detailed information about collisions that occurred, use [method get_slide_collision].
 			</description>
 		</method>
 		<method name="move_and_slide_with_snap">
diff --git a/doc/classes/KinematicBody2D.xml b/doc/classes/KinematicBody2D.xml
index d5bfc91f66..c0eebcbd31 100644
--- a/doc/classes/KinematicBody2D.xml
+++ b/doc/classes/KinematicBody2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="KinematicBody2D" inherits="PhysicsBody2D" category="Core" version="3.1">
+<class name="KinematicBody2D" inherits="PhysicsBody2D" category="Core" version="3.2">
 	<brief_description>
 		Kinematic body 2D node.
 	</brief_description>
@@ -27,6 +27,12 @@
 			</argument>
 			<description>
 				Returns a [KinematicCollision2D], which contains information about a collision that occurred during the last [method move_and_slide] call. Since the body can collide several times in a single call to [method move_and_slide], you must specify the index of the collision in the range 0 to ([method get_slide_count] - 1).
+				Example usage:
+				[codeblock]
+				for i in get_slide_count():
+				    var collision = get_slide_collision(i)
+				    print("Collided with: ", collision.collider.name)
+				[/codeblock]
 			</description>
 		</method>
 		<method name="get_slide_count" qualifiers="const">
@@ -88,13 +94,14 @@
 			<argument index="5" name="infinite_inertia" type="bool" default="true">
 			</argument>
 			<description>
-				Moves the body along a vector. If the body collides with another, it will slide along the other body rather than stop immediately. If the other body is a [code]KinematicBody2D[/code] or [RigidBody2D], it will also be affected by the motion of the other body. You can use this to make moving or rotating platforms, or to make nodes push other nodes.
+				Moves the body along a vector. If the body collides with another, it will slide along the other body rather than stop immediately. If the other body is a [KinematicBody2D] or [RigidBody2D], it will also be affected by the motion of the other body. You can use this to make moving or rotating platforms, or to make nodes push other nodes.
 				[code]linear_velocity[/code] is the velocity vector in pixels per second. Unlike in [method move_and_collide], you should [i]not[/i] multiply it by [code]delta[/code] — the physics engine handles applying the velocity.
 				[code]floor_normal[/code] is the up direction, used to determine what is a wall and what is a floor or a ceiling. If set to the default value of [code]Vector2(0, 0)[/code], everything is considered a wall. This is useful for topdown games.
-				If the body is standing on a slope and the horizontal speed (relative to the floor's speed) goes below [code]slope_stop_min_velocity[/code], the body will stop completely. This prevents the body from sliding down slopes when you include gravity in [code]linear_velocity[/code]. When set to lower values, the body will not be able to stand still on steep slopes.
+				If [code]stop_on_slope[/code] is true, body will not slide on slopes when you include gravity in [code]linear_velocity[/code] and the body is standing still.
 				If the body collides, it will change direction a maximum of [code]max_slides[/code] times before it stops.
 				[code]floor_max_angle[/code] is the maximum angle (in radians) where a slope is still considered a floor (or a ceiling), rather than a wall. The default value equals 45 degrees.
-				Returns the [code]linear_velocity[/code] vector, rotated and/or scaled if a slide collision occurred. To get more detailed information about collisions that occurred, use [method get_slide_collision].
+				If [code]infinite_inertia[/code] is true, body will be able to push [RigidBody2D] nodes, but it won't also detect any collisions with them. When false, it will interact with [RigidBody2D] nodes like with [StaticBody2D].
+				Returns the [code]linear_velocity[/code] vector, rotated and/or scaled if a slide collision occurred. To get detailed information about collisions that occurred, use [method get_slide_collision].
 			</description>
 		</method>
 		<method name="move_and_slide_with_snap">
diff --git a/doc/classes/KinematicCollision.xml b/doc/classes/KinematicCollision.xml
index 87eb9e77b5..b2ae9445bb 100644
--- a/doc/classes/KinematicCollision.xml
+++ b/doc/classes/KinematicCollision.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="KinematicCollision" inherits="Reference" category="Core" version="3.1">
+<class name="KinematicCollision" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Collision data for KinematicBody collisions.
 	</brief_description>
diff --git a/doc/classes/KinematicCollision2D.xml b/doc/classes/KinematicCollision2D.xml
index e403ada0b9..8a57dc0188 100644
--- a/doc/classes/KinematicCollision2D.xml
+++ b/doc/classes/KinematicCollision2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="KinematicCollision2D" inherits="Reference" category="Core" version="3.1">
+<class name="KinematicCollision2D" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Collision data for KinematicBody2D collisions.
 	</brief_description>
diff --git a/doc/classes/Label.xml b/doc/classes/Label.xml
index 36aa3c8b55..056391ae40 100644
--- a/doc/classes/Label.xml
+++ b/doc/classes/Label.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Label" inherits="Control" category="Core" version="3.1">
+<class name="Label" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Displays plain text in a line or wrapped inside a rectangle. For formatted text, use [RichTextLabel].
 	</brief_description>
@@ -37,7 +37,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns the number of lines shown. Useful if the [code]Label[/code] 's height cannot currently display all lines.
+				Returns the number of lines shown. Useful if the [Label] 's height cannot currently display all lines.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/LargeTexture.xml b/doc/classes/LargeTexture.xml
index 9526604e6d..59757e3101 100644
--- a/doc/classes/LargeTexture.xml
+++ b/doc/classes/LargeTexture.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="LargeTexture" inherits="Texture" category="Core" version="3.1">
+<class name="LargeTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		A Texture capable of storing many smaller Textures with offsets.
 	</brief_description>
 	<description>
 		A Texture capable of storing many smaller Textures with offsets.
-		You can dynamically add pieces([Texture]) to this [code]LargeTexture[/code] using different offsets.
+		You can dynamically add pieces([Texture]) to this [LargeTexture] using different offsets.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -20,21 +20,21 @@
 			<argument index="1" name="texture" type="Texture">
 			</argument>
 			<description>
-				Add another [Texture] to this [code]LargeTexture[/code], starting on offset "ofs".
+				Add another [Texture] to this [LargeTexture], starting on offset "ofs".
 			</description>
 		</method>
 		<method name="clear">
 			<return type="void">
 			</return>
 			<description>
-				Clears the [code]LargeTexture[/code].
+				Clears the [LargeTexture].
 			</description>
 		</method>
 		<method name="get_piece_count" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
-				Returns the number of pieces currently in this [code]LargeTexture[/code].
+				Returns the number of pieces currently in this [LargeTexture].
 			</description>
 		</method>
 		<method name="get_piece_offset" qualifiers="const">
@@ -83,7 +83,7 @@
 			<argument index="0" name="size" type="Vector2">
 			</argument>
 			<description>
-				Sets the size of this [code]LargeTexture[/code].
+				Sets the size of this [LargeTexture].
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/Light.xml b/doc/classes/Light.xml
index a7b0d86a7a..54f0e4336b 100644
--- a/doc/classes/Light.xml
+++ b/doc/classes/Light.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Light" inherits="VisualInstance" category="Core" version="3.1">
+<class name="Light" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 		Provides a base class for different kinds of light nodes.
 	</brief_description>
diff --git a/doc/classes/Light2D.xml b/doc/classes/Light2D.xml
index 0d754f1d4e..2626382a48 100644
--- a/doc/classes/Light2D.xml
+++ b/doc/classes/Light2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Light2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Light2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Casts light in a 2D environment.
 	</brief_description>
@@ -7,6 +7,7 @@
 		Casts light in a 2D environment. Light is defined by a (usually grayscale) texture, a color, an energy value, a mode (see constants), and various other parameters (range and shadows-related). Note that Light2D can be used as a mask.
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/2d/2d_lights_and_shadows.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/LightOccluder2D.xml b/doc/classes/LightOccluder2D.xml
index 38b9054411..a5df0a5d11 100644
--- a/doc/classes/LightOccluder2D.xml
+++ b/doc/classes/LightOccluder2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="LightOccluder2D" inherits="Node2D" category="Core" version="3.1">
+<class name="LightOccluder2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Occludes light cast by a Light2D, casting shadows.
 	</brief_description>
@@ -7,6 +7,7 @@
 		Occludes light cast by a Light2D, casting shadows. The LightOccluder2D must be provided with an [OccluderPolygon2D] in order for the shadow to be computed.
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/2d/2d_lights_and_shadows.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/Line2D.xml b/doc/classes/Line2D.xml
index c1682e71e5..7efaf2b55f 100644
--- a/doc/classes/Line2D.xml
+++ b/doc/classes/Line2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Line2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Line2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		A 2D line.
 	</brief_description>
@@ -20,6 +20,13 @@
 				Add a point at the [code]position[/code]. Appends the point at the end of the line.
 			</description>
 		</method>
+		<method name="clear_points">
+			<return type="void">
+			</return>
+			<description>
+				Removes all points from the line.
+			</description>
+		</method>
 		<method name="get_point_count" qualifiers="const">
 			<return type="int">
 			</return>
diff --git a/doc/classes/LineEdit.xml b/doc/classes/LineEdit.xml
index 1e1ffd71b5..6c8b419552 100644
--- a/doc/classes/LineEdit.xml
+++ b/doc/classes/LineEdit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="LineEdit" inherits="Control" category="Core" version="3.1">
+<class name="LineEdit" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Control that provides single line string editing.
 	</brief_description>
@@ -24,7 +24,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Erases the [code]LineEdit[/code] text.
+				Erases the [LineEdit] text.
 			</description>
 		</method>
 		<method name="deselect">
@@ -38,7 +38,7 @@
 			<return type="PopupMenu">
 			</return>
 			<description>
-				Returns the [PopupMenu] of this [code]LineEdit[/code]. By default, this menu is displayed when right-clicking on the [code]LineEdit[/code].
+				Returns the [PopupMenu] of this [LineEdit]. By default, this menu is displayed when right-clicking on the [LineEdit].
 			</description>
 		</method>
 		<method name="menu_option">
@@ -58,7 +58,7 @@
 			<argument index="1" name="to" type="int" default="-1">
 			</argument>
 			<description>
-				Selects characters inside [code]LineEdit[/code] between [code]from[/code] and [code]to[/code]. By default [code]from[/code] is at the beginning and [code]to[/code] at the end.
+				Selects characters inside [LineEdit] between [code]from[/code] and [code]to[/code]. By default [code]from[/code] is at the beginning and [code]to[/code] at the end.
 				[codeblock]
 				text = "Welcome"
 				select()     # Welcome
@@ -86,10 +86,10 @@
 			Duration (in seconds) of a caret's blinking cycle.
 		</member>
 		<member name="caret_position" type="int" setter="set_cursor_position" getter="get_cursor_position">
-			The cursor's position inside the [code]LineEdit[/code]. When set, the text may scroll to accommodate it.
+			The cursor's position inside the [LineEdit]. When set, the text may scroll to accommodate it.
 		</member>
 		<member name="clear_button_enabled" type="bool" setter="set_clear_button_enabled" getter="is_clear_button_enabled">
-			If [code]true[/code], the [code]LineEdit[/code] will show a clear button if [code]text[/code] is not empty.
+			If [code]true[/code], the [LineEdit] will show a clear button if [code]text[/code] is not empty.
 		</member>
 		<member name="context_menu_enabled" type="bool" setter="set_context_menu_enabled" getter="is_context_menu_enabled">
 			If [code]true[/code], the context menu will appear when right clicked.
@@ -98,19 +98,19 @@
 			If [code]false[/code], existing text cannot be modified and new text cannot be added.
 		</member>
 		<member name="expand_to_text_length" type="bool" setter="set_expand_to_text_length" getter="get_expand_to_text_length">
-			If [code]true[/code], the [code]LineEdit[/code] width will increase to stay longer than the [member text]. It will [b]not[/b] compress if the [member text] is shortened.
+			If [code]true[/code], the [LineEdit] width will increase to stay longer than the [member text]. It will [b]not[/b] compress if the [member text] is shortened.
 		</member>
 		<member name="focus_mode" type="int" setter="set_focus_mode" getter="get_focus_mode" enum="Control.FocusMode">
-			Defines how the [code]LineEdit[/code] can grab focus (Keyboard and mouse, only keyboard, or none). See [code]enum FocusMode[/code] in [Control] for details.
+			Defines how the [LineEdit] can grab focus (Keyboard and mouse, only keyboard, or none). See [enum Control.FocusMode] in [Control] for details.
 		</member>
 		<member name="max_length" type="int" setter="set_max_length" getter="get_max_length">
-			Maximum amount of characters that can be entered inside the [code]LineEdit[/code]. If [code]0[/code], there is no limit.
+			Maximum amount of characters that can be entered inside the [LineEdit]. If [code]0[/code], there is no limit.
 		</member>
 		<member name="placeholder_alpha" type="float" setter="set_placeholder_alpha" getter="get_placeholder_alpha">
 			Opacity of the [member placeholder_text]. From [code]0[/code] to [code]1[/code].
 		</member>
 		<member name="placeholder_text" type="String" setter="set_placeholder" getter="get_placeholder">
-			Text shown when the [code]LineEdit[/code] is empty. It is [b]not[/b] the [code]LineEdit[/code]'s default value (see [member text]).
+			Text shown when the [LineEdit] is empty. It is [b]not[/b] the [LineEdit]'s default value (see [member text]).
 		</member>
 		<member name="secret" type="bool" setter="set_secret" getter="is_secret">
 			If [code]true[/code], every character is replaced with the secret character (see [member secret_character]).
@@ -119,7 +119,7 @@
 			The character to use to mask secret input (defaults to "*"). Only a single character can be used as the secret character.
 		</member>
 		<member name="text" type="String" setter="set_text" getter="get_text">
-			String value of the [code]LineEdit[/code].
+			String value of the [LineEdit].
 		</member>
 	</members>
 	<signals>
@@ -134,22 +134,22 @@
 			<argument index="0" name="new_text" type="String">
 			</argument>
 			<description>
-				Emitted when the user presses [code]KEY_ENTER[/code] on the [code]LineEdit[/code].
+				Emitted when the user presses [constant KEY_ENTER] on the [LineEdit].
 			</description>
 		</signal>
 	</signals>
 	<constants>
 		<constant name="ALIGN_LEFT" value="0" enum="Align">
-			Aligns the text on the left hand side of the [code]LineEdit[/code].
+			Aligns the text on the left hand side of the [LineEdit].
 		</constant>
 		<constant name="ALIGN_CENTER" value="1" enum="Align">
-			Centers the text in the middle of the [code]LineEdit[/code].
+			Centers the text in the middle of the [LineEdit].
 		</constant>
 		<constant name="ALIGN_RIGHT" value="2" enum="Align">
-			Aligns the text on the right hand side of the [code]LineEdit[/code].
+			Aligns the text on the right hand side of the [LineEdit].
 		</constant>
 		<constant name="ALIGN_FILL" value="3" enum="Align">
-			Stretches whitespaces to fit the [code]LineEdit[/code]'s width.
+			Stretches whitespaces to fit the [LineEdit]'s width.
 		</constant>
 		<constant name="MENU_CUT" value="0" enum="MenuItems">
 			Cuts (copies and clears) the selected text.
@@ -161,10 +161,10 @@
 			Pastes the clipboard text over the selected text (or at the cursor's position).
 		</constant>
 		<constant name="MENU_CLEAR" value="3" enum="MenuItems">
-			Erases the whole [code]LineEdit[/code] text.
+			Erases the whole [LineEdit] text.
 		</constant>
 		<constant name="MENU_SELECT_ALL" value="4" enum="MenuItems">
-			Selects the whole [code]LineEdit[/code] text.
+			Selects the whole [LineEdit] text.
 		</constant>
 		<constant name="MENU_UNDO" value="5" enum="MenuItems">
 			Undoes the previous action.
diff --git a/doc/classes/LineShape2D.xml b/doc/classes/LineShape2D.xml
index 4a5486583a..fb5925277e 100644
--- a/doc/classes/LineShape2D.xml
+++ b/doc/classes/LineShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="LineShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="LineShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Line shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/LinkButton.xml b/doc/classes/LinkButton.xml
index a09edfad89..80729877cf 100644
--- a/doc/classes/LinkButton.xml
+++ b/doc/classes/LinkButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="LinkButton" inherits="BaseButton" category="Core" version="3.1">
+<class name="LinkButton" inherits="BaseButton" category="Core" version="3.2">
 	<brief_description>
 		Simple button used to represent a link to some resource.
 	</brief_description>
diff --git a/doc/classes/Listener.xml b/doc/classes/Listener.xml
index 720a7eafc5..41daf99c78 100644
--- a/doc/classes/Listener.xml
+++ b/doc/classes/Listener.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Listener" inherits="Spatial" category="Core" version="3.1">
+<class name="Listener" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/MainLoop.xml b/doc/classes/MainLoop.xml
index 01836cff95..8d8d4c46cc 100644
--- a/doc/classes/MainLoop.xml
+++ b/doc/classes/MainLoop.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MainLoop" inherits="Object" category="Core" version="3.1">
+<class name="MainLoop" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Main loop is the abstract main loop base class.
 	</brief_description>
 	<description>
-		Main loop is the abstract main loop base class. All other main loop classes are derived from it. Upon application start, a [code]MainLoop[/code] has to be provided to OS, else the application will exit. This happens automatically (and a [SceneTree] is created), unless a main [Script] is supplied, which may or not create and return a [code]MainLoop[/code].
+		Main loop is the abstract main loop base class. All other main loop classes are derived from it. Upon application start, a [MainLoop] has to be provided to OS, else the application will exit. This happens automatically (and a [SceneTree] is created), unless a main [Script] is supplied, which may or not create and return a [MainLoop].
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/MarginContainer.xml b/doc/classes/MarginContainer.xml
index 15613e4bec..2224c83271 100644
--- a/doc/classes/MarginContainer.xml
+++ b/doc/classes/MarginContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MarginContainer" inherits="Container" category="Core" version="3.1">
+<class name="MarginContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Simple margin container.
 	</brief_description>
diff --git a/doc/classes/Marshalls.xml b/doc/classes/Marshalls.xml
index 687f81eec7..9210d0b0f5 100644
--- a/doc/classes/Marshalls.xml
+++ b/doc/classes/Marshalls.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Marshalls" inherits="Reference" category="Core" version="3.1">
+<class name="Marshalls" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Data transformation (marshalling) and encoding helpers.
 	</brief_description>
@@ -34,8 +34,11 @@
 			</return>
 			<argument index="0" name="base64_str" type="String">
 			</argument>
+			<argument index="1" name="allow_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Return [Variant] of a given base64 encoded String.
+				Return [Variant] of a given base64 encoded String. When [code]allow_objects[/code] is [code]true[/code] decoding objects is allowed.
+				[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 			</description>
 		</method>
 		<method name="raw_to_base64">
@@ -61,8 +64,10 @@
 			</return>
 			<argument index="0" name="variant" type="Variant">
 			</argument>
+			<argument index="1" name="full_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Return base64 encoded String of a given [Variant].
+				Return base64 encoded String of a given [Variant]. When [code]full_objects[/code] is [code]true[/code] encoding objects is allowed (and can potentially include code).
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/Material.xml b/doc/classes/Material.xml
index 7420a5deb0..976adfd331 100644
--- a/doc/classes/Material.xml
+++ b/doc/classes/Material.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Material" inherits="Resource" category="Core" version="3.1">
+<class name="Material" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Abstract base [Resource] for coloring and shading geometry.
 	</brief_description>
diff --git a/doc/classes/MenuButton.xml b/doc/classes/MenuButton.xml
index 636edd504b..aa10946afe 100644
--- a/doc/classes/MenuButton.xml
+++ b/doc/classes/MenuButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MenuButton" inherits="Button" category="Core" version="3.1">
+<class name="MenuButton" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Special button that brings up a [PopupMenu] when clicked.
 	</brief_description>
diff --git a/doc/classes/Mesh.xml b/doc/classes/Mesh.xml
index 4852d4701d..5299045ec1 100644
--- a/doc/classes/Mesh.xml
+++ b/doc/classes/Mesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Mesh" inherits="Resource" category="Core" version="3.1">
+<class name="Mesh" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A [Resource] that contains vertex-array based geometry.
 	</brief_description>
@@ -52,7 +52,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Return the amount of surfaces that the [code]Mesh[/code] holds.
+				Return the amount of surfaces that the [Mesh] holds.
 			</description>
 		</method>
 		<method name="surface_get_arrays" qualifiers="const">
diff --git a/doc/classes/MeshDataTool.xml b/doc/classes/MeshDataTool.xml
index 7bd98323c7..cfe565b538 100644
--- a/doc/classes/MeshDataTool.xml
+++ b/doc/classes/MeshDataTool.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MeshDataTool" inherits="Reference" category="Core" version="3.1">
+<class name="MeshDataTool" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Helper tool to access and edit [Mesh] data.
 	</brief_description>
diff --git a/doc/classes/MeshInstance.xml b/doc/classes/MeshInstance.xml
index bcc9a7cad9..3a5df32563 100644
--- a/doc/classes/MeshInstance.xml
+++ b/doc/classes/MeshInstance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MeshInstance" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="MeshInstance" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 		Node that instances meshes into a scenario.
 	</brief_description>
diff --git a/doc/classes/MeshInstance2D.xml b/doc/classes/MeshInstance2D.xml
index 7f0136bf77..a39782acbf 100644
--- a/doc/classes/MeshInstance2D.xml
+++ b/doc/classes/MeshInstance2D.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MeshInstance2D" inherits="Node2D" category="Core" version="3.1">
+<class name="MeshInstance2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/2d/2d_meshes.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/MeshLibrary.xml b/doc/classes/MeshLibrary.xml
index 3726524638..8fb10696f2 100644
--- a/doc/classes/MeshLibrary.xml
+++ b/doc/classes/MeshLibrary.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MeshLibrary" inherits="Resource" category="Core" version="3.1">
+<class name="MeshLibrary" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Library of meshes.
 	</brief_description>
diff --git a/doc/classes/MultiMesh.xml b/doc/classes/MultiMesh.xml
index 0cc9764e36..885fcf259f 100644
--- a/doc/classes/MultiMesh.xml
+++ b/doc/classes/MultiMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MultiMesh" inherits="Resource" category="Core" version="3.1">
+<class name="MultiMesh" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Provides high performance mesh instancing.
 	</brief_description>
@@ -10,6 +10,7 @@
 		Since instances may have any behavior, the AABB used for visibility must be provided by the user.
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/3d/vertex_animation/animating_thousands_of_fish.html</link>
 	</tutorials>
 	<demos>
 	</demos>
@@ -65,7 +66,7 @@
 			</argument>
 			<description>
 				Set the color of a specific instance.
-				For the color to take effect, ensure that [member color_format] is non-[code]null[/code] on the [code]MultiMesh[/code] and [member SpatialMaterial.vertex_color_use_as_albedo] is [code]true[/code] on the material.
+				For the color to take effect, ensure that [member color_format] is non-[code]null[/code] on the [MultiMesh] and [member SpatialMaterial.vertex_color_use_as_albedo] is [code]true[/code] on the material.
 			</description>
 		</method>
 		<method name="set_instance_custom_data">
diff --git a/doc/classes/MultiMeshInstance.xml b/doc/classes/MultiMeshInstance.xml
index 5e021dfe9b..68c415af22 100644
--- a/doc/classes/MultiMeshInstance.xml
+++ b/doc/classes/MultiMeshInstance.xml
@@ -1,13 +1,15 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MultiMeshInstance" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="MultiMeshInstance" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 		Node that instances a [MultiMesh].
 	</brief_description>
 	<description>
-		[code]MultiMeshInstance[/code] is a specialized node to instance [GeometryInstance]s based on a [MultiMesh] resource.
+		[MultiMeshInstance] is a specialized node to instance [GeometryInstance]s based on a [MultiMesh] resource.
 		This is useful to optimize the rendering of a high amount of instances of a given mesh (for example tree in a forest or grass strands).
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/3d/vertex_animation/animating_thousands_of_fish.html</link>
+		<link>http://docs.godotengine.org/en/latest/tutorials/3d/using_multi_mesh_instance.html</link>
 	</tutorials>
 	<demos>
 	</demos>
@@ -15,7 +17,7 @@
 	</methods>
 	<members>
 		<member name="multimesh" type="MultiMesh" setter="set_multimesh" getter="get_multimesh">
-			The [MultiMesh] resource that will be used and shared among all instances of the [code]MultiMeshInstance[/code].
+			The [MultiMesh] resource that will be used and shared among all instances of the [MultiMeshInstance].
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/MultiplayerAPI.xml b/doc/classes/MultiplayerAPI.xml
index f3e26a3bcb..4e7f6c5b17 100644
--- a/doc/classes/MultiplayerAPI.xml
+++ b/doc/classes/MultiplayerAPI.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MultiplayerAPI" inherits="Reference" category="Core" version="3.1">
+<class name="MultiplayerAPI" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		High Level Multiplayer API.
 	</brief_description>
@@ -89,6 +89,10 @@
 		</method>
 	</methods>
 	<members>
+		<member name="allow_object_decoding" type="bool" setter="set_allow_object_decoding" getter="is_object_decoding_allowed">
+			If [code]true[/code] (or if the [member network_peer] [member PacketPeer.allow_object_decoding] the MultiplayerAPI will allow encoding and decoding of object during RPCs/RSETs.
+			[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
+		</member>
 		<member name="network_peer" type="NetworkedMultiplayerPeer" setter="set_network_peer" getter="get_network_peer">
 			The peer object to handle the RPC system (effectively enabling networking when set). Depending on the peer itself, the MultiplayerAPI will become a network server (check with [method is_network_server]) and will set root node's network mode to master (see NETWORK_MODE_* constants in [Node]), or it will become a regular peer with root node set to puppet. All child nodes are set to inherit the network mode by default. Handling of networking-related events (connection, disconnection, new clients) is done by connecting to MultiplayerAPI's signals.
 		</member>
diff --git a/doc/classes/Mutex.xml b/doc/classes/Mutex.xml
index 718b3b04b2..cee38c4f86 100644
--- a/doc/classes/Mutex.xml
+++ b/doc/classes/Mutex.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Mutex" inherits="Reference" category="Core" version="3.1">
+<class name="Mutex" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A synchronization Mutex.
 	</brief_description>
@@ -15,21 +15,21 @@
 			<return type="void">
 			</return>
 			<description>
-				Lock this [code]Mutex[/code], blocks until it is unlocked by the current owner.
+				Lock this [Mutex], blocks until it is unlocked by the current owner.
 			</description>
 		</method>
 		<method name="try_lock">
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Try locking this [code]Mutex[/code], does not block. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
+				Try locking this [Mutex], does not block. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
 			</description>
 		</method>
 		<method name="unlock">
 			<return type="void">
 			</return>
 			<description>
-				Unlock this [code]Mutex[/code], leaving it to other threads.
+				Unlock this [Mutex], leaving it to other threads.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/Navigation.xml b/doc/classes/Navigation.xml
index 9d830168d3..baa3ca57fa 100644
--- a/doc/classes/Navigation.xml
+++ b/doc/classes/Navigation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Navigation" inherits="Spatial" category="Core" version="3.1">
+<class name="Navigation" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Mesh-based navigation and pathfinding node.
 	</brief_description>
diff --git a/doc/classes/Navigation2D.xml b/doc/classes/Navigation2D.xml
index 4982c6f87d..6dd26ccf71 100644
--- a/doc/classes/Navigation2D.xml
+++ b/doc/classes/Navigation2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Navigation2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Navigation2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		2D navigation and pathfinding node.
 	</brief_description>
diff --git a/doc/classes/NavigationMesh.xml b/doc/classes/NavigationMesh.xml
index f0654e5b12..0e093992ba 100644
--- a/doc/classes/NavigationMesh.xml
+++ b/doc/classes/NavigationMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NavigationMesh" inherits="Resource" category="Core" version="3.1">
+<class name="NavigationMesh" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/NavigationMeshInstance.xml b/doc/classes/NavigationMeshInstance.xml
index 643bfc726f..1e94292c48 100644
--- a/doc/classes/NavigationMeshInstance.xml
+++ b/doc/classes/NavigationMeshInstance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NavigationMeshInstance" inherits="Spatial" category="Core" version="3.1">
+<class name="NavigationMeshInstance" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/NavigationPolygon.xml b/doc/classes/NavigationPolygon.xml
index 53389d6599..099ffbc429 100644
--- a/doc/classes/NavigationPolygon.xml
+++ b/doc/classes/NavigationPolygon.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NavigationPolygon" inherits="Resource" category="Core" version="3.1">
+<class name="NavigationPolygon" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A node that has methods to draw outlines or use indices of vertices to create navigation polygons.
 	</brief_description>
diff --git a/doc/classes/NavigationPolygonInstance.xml b/doc/classes/NavigationPolygonInstance.xml
index ff95f652f1..ae4db14a37 100644
--- a/doc/classes/NavigationPolygonInstance.xml
+++ b/doc/classes/NavigationPolygonInstance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NavigationPolygonInstance" inherits="Node2D" category="Core" version="3.1">
+<class name="NavigationPolygonInstance" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/NetworkedMultiplayerPeer.xml b/doc/classes/NetworkedMultiplayerPeer.xml
index 42f08b36af..2119aea05f 100644
--- a/doc/classes/NetworkedMultiplayerPeer.xml
+++ b/doc/classes/NetworkedMultiplayerPeer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NetworkedMultiplayerPeer" inherits="PacketPeer" category="Core" version="3.1">
+<class name="NetworkedMultiplayerPeer" inherits="PacketPeer" category="Core" version="3.2">
 	<brief_description>
 		A high-level network interface to simplify multiplayer interactions.
 	</brief_description>
@@ -23,14 +23,14 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns the ID of the [code]NetworkedMultiplayerPeer[/code] who sent the most recent packet.
+				Returns the ID of the [NetworkedMultiplayerPeer] who sent the most recent packet.
 			</description>
 		</method>
 		<method name="get_unique_id" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
-				Returns the ID of this [code]NetworkedMultiplayerPeer[/code].
+				Returns the ID of this [NetworkedMultiplayerPeer].
 			</description>
 		</method>
 		<method name="poll">
@@ -53,7 +53,7 @@
 	</methods>
 	<members>
 		<member name="refuse_new_connections" type="bool" setter="set_refuse_new_connections" getter="is_refusing_new_connections">
-			If [code]true[/code], this [code]NetworkedMultiplayerPeer[/code] refuses new connections. Default value: [code]false[/code].
+			If [code]true[/code], this [NetworkedMultiplayerPeer] refuses new connections. Default value: [code]false[/code].
 		</member>
 		<member name="transfer_mode" type="int" setter="set_transfer_mode" getter="get_transfer_mode" enum="NetworkedMultiplayerPeer.TransferMode">
 			The manner in which to send packets to the [code]target_peer[/code]. See [enum TransferMode].
diff --git a/doc/classes/Nil.xml b/doc/classes/Nil.xml
index e09dba6511..1e29da047b 100644
--- a/doc/classes/Nil.xml
+++ b/doc/classes/Nil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Nil" category="Built-In Types" version="3.1">
+<class name="Nil" category="Built-In Types" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/NinePatchRect.xml b/doc/classes/NinePatchRect.xml
index f40b32951f..c8574d9c3a 100644
--- a/doc/classes/NinePatchRect.xml
+++ b/doc/classes/NinePatchRect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NinePatchRect" inherits="Control" category="Core" version="3.1">
+<class name="NinePatchRect" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Scalable texture-based frame that tiles the texture's centers and sides, but keeps the corners' original size. Perfect for panels and dialog boxes.
 	</brief_description>
diff --git a/doc/classes/Node.xml b/doc/classes/Node.xml
index e872fee1cc..e01e3d3a20 100644
--- a/doc/classes/Node.xml
+++ b/doc/classes/Node.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Node" inherits="Object" category="Core" version="3.1">
+<class name="Node" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Base class for all [i]scene[/i] objects.
 	</brief_description>
@@ -275,14 +275,14 @@
 			<argument index="0" name="path" type="NodePath">
 			</argument>
 			<description>
-				Similar to [method get_node], but does not raise an error when [code]path[/code] does not point to a valid [code]Node[/code].
+				Similar to [method get_node], but does not raise an error when [code]path[/code] does not point to a valid [Node].
 			</description>
 		</method>
 		<method name="get_parent" qualifiers="const">
 			<return type="Node">
 			</return>
 			<description>
-				Returns the parent node of the current node, or an empty [code]Node[/code] if the node lacks a parent.
+				Returns the parent node of the current node, or an empty [Node] if the node lacks a parent.
 			</description>
 		</method>
 		<method name="get_path" qualifiers="const">
diff --git a/doc/classes/Node2D.xml b/doc/classes/Node2D.xml
index 80f9329402..e6bb35cf0f 100644
--- a/doc/classes/Node2D.xml
+++ b/doc/classes/Node2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Node2D" inherits="CanvasItem" category="Core" version="3.1">
+<class name="Node2D" inherits="CanvasItem" category="Core" version="3.2">
 	<brief_description>
 		A 2D game object, parent of all 2D related nodes. Has a position, rotation, scale and Z-index.
 	</brief_description>
diff --git a/doc/classes/NodePath.xml b/doc/classes/NodePath.xml
index f589fa12b7..8bec19bbd3 100644
--- a/doc/classes/NodePath.xml
+++ b/doc/classes/NodePath.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NodePath" category="Built-In Types" version="3.1">
+<class name="NodePath" category="Built-In Types" version="3.2">
 	<brief_description>
 		Pre-parsed scene tree path.
 	</brief_description>
 	<description>
 		A pre-parsed relative or absolute path in a scene tree, for use with [method Node.get_node] and similar functions. It can reference a node, a resource within a node, or a property of a node or resource. For instance, [code]"Path2D/PathFollow2D/Sprite:texture:size"[/code] would refer to the size property of the texture resource on the node named "Sprite" which is a child of the other named nodes in the path. Note that if you want to get a resource, you must end the path with a colon, otherwise the last element will be used as a property name.
-		You will usually just pass a string to [method Node.get_node] and it will be automatically converted, but you may occasionally want to parse a path ahead of time with [code]NodePath[/code] or the literal syntax [code]@"path"[/code]. Exporting a [code]NodePath[/code] variable will give you a node selection widget in the properties panel of the editor, which can often be useful.
-		A [code]NodePath[/code] is made up of a list of node names, a list of "subnode" (resource) names, and the name of a property in the final node or resource.
+		You will usually just pass a string to [method Node.get_node] and it will be automatically converted, but you may occasionally want to parse a path ahead of time with [NodePath] or the literal syntax [code]@"path"[/code]. Exporting a [NodePath] variable will give you a node selection widget in the properties panel of the editor, which can often be useful.
+		A [NodePath] is made up of a list of node names, a list of "subnode" (resource) names, and the name of a property in the final node or resource.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index 5e71ed094e..0cd2e2b708 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="OS" inherits="Object" category="Core" version="3.1">
+<class name="OS" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Operating System functions.
 	</brief_description>
@@ -684,6 +684,15 @@
 				Request the user attention to the window. It'll flash the taskbar button on Windows or bounce the dock icon on OSX.
 			</description>
 		</method>
+		<method name="request_permission">
+			<return type="bool">
+			</return>
+			<argument index="0" name="name" type="String">
+			</argument>
+			<description>
+				At the moment this function is only used by [code]AudioDriverOpenSL[/code] to request permission for [code]RECORD_AUDIO[/code] on Android.
+			</description>
+		</method>
 		<method name="set_icon">
 			<return type="void">
 			</return>
diff --git a/doc/classes/Object.xml b/doc/classes/Object.xml
index 76cbe5eebd..f76038fd69 100644
--- a/doc/classes/Object.xml
+++ b/doc/classes/Object.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Object" category="Core" version="3.1">
+<class name="Object" category="Core" version="3.2">
 	<brief_description>
 		Base class for all non built-in types.
 	</brief_description>
diff --git a/doc/classes/OccluderPolygon2D.xml b/doc/classes/OccluderPolygon2D.xml
index b8adc4c96f..6d8d9d9a70 100644
--- a/doc/classes/OccluderPolygon2D.xml
+++ b/doc/classes/OccluderPolygon2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="OccluderPolygon2D" inherits="Resource" category="Core" version="3.1">
+<class name="OccluderPolygon2D" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Defines a 2D polygon for LightOccluder2D.
 	</brief_description>
diff --git a/doc/classes/OmniLight.xml b/doc/classes/OmniLight.xml
index 8d67cb626b..649c4c08f0 100644
--- a/doc/classes/OmniLight.xml
+++ b/doc/classes/OmniLight.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="OmniLight" inherits="Light" category="Core" version="3.1">
+<class name="OmniLight" inherits="Light" category="Core" version="3.2">
 	<brief_description>
 		Omnidirectional light, such as a light bulb or a candle.
 	</brief_description>
diff --git a/doc/classes/OptionButton.xml b/doc/classes/OptionButton.xml
index 0f795b4bf8..28fd8deba8 100644
--- a/doc/classes/OptionButton.xml
+++ b/doc/classes/OptionButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="OptionButton" inherits="Button" category="Core" version="3.1">
+<class name="OptionButton" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Button control that provides selectable options when pressed.
 	</brief_description>
@@ -46,7 +46,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Clear all the items in the [code]OptionButton[/code].
+				Clear all the items in the [OptionButton].
 			</description>
 		</method>
 		<method name="get_item_count" qualifiers="const">
diff --git a/doc/classes/PCKPacker.xml b/doc/classes/PCKPacker.xml
index 01985a9bb3..83610c82f0 100644
--- a/doc/classes/PCKPacker.xml
+++ b/doc/classes/PCKPacker.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PCKPacker" inherits="Reference" category="Core" version="3.1">
+<class name="PCKPacker" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PHashTranslation.xml b/doc/classes/PHashTranslation.xml
index e5745375b0..2dcbdc80e1 100644
--- a/doc/classes/PHashTranslation.xml
+++ b/doc/classes/PHashTranslation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PHashTranslation" inherits="Translation" category="Core" version="3.1">
+<class name="PHashTranslation" inherits="Translation" category="Core" version="3.2">
 	<brief_description>
 		Optimized translation.
 	</brief_description>
diff --git a/doc/classes/PackedDataContainer.xml b/doc/classes/PackedDataContainer.xml
index e6dbe57925..087674a64a 100644
--- a/doc/classes/PackedDataContainer.xml
+++ b/doc/classes/PackedDataContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PackedDataContainer" inherits="Resource" category="Core" version="3.1">
+<class name="PackedDataContainer" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PackedDataContainerRef.xml b/doc/classes/PackedDataContainerRef.xml
index 371fe5a5ac..a9545d40e7 100644
--- a/doc/classes/PackedDataContainerRef.xml
+++ b/doc/classes/PackedDataContainerRef.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PackedDataContainerRef" inherits="Reference" category="Core" version="3.1">
+<class name="PackedDataContainerRef" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PackedScene.xml b/doc/classes/PackedScene.xml
index 432ca4b23f..531fd4006c 100644
--- a/doc/classes/PackedScene.xml
+++ b/doc/classes/PackedScene.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PackedScene" inherits="Resource" category="Core" version="3.1">
+<class name="PackedScene" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		An abstraction of a serialized scene.
 	</brief_description>
diff --git a/doc/classes/PacketPeer.xml b/doc/classes/PacketPeer.xml
index a4cf0c8029..3cc7ed1f84 100644
--- a/doc/classes/PacketPeer.xml
+++ b/doc/classes/PacketPeer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PacketPeer" inherits="Reference" category="Core" version="3.1">
+<class name="PacketPeer" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Abstraction and base class for packet-based protocols.
 	</brief_description>
@@ -35,8 +35,11 @@
 		<method name="get_var">
 			<return type="Variant">
 			</return>
+			<argument index="0" name="allow_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Get a Variant.
+				Get a Variant. When [code]allow_objects[/code] (or [member allow_object_decoding]) is [code]true[/code] decoding objects is allowed.
+				[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 			</description>
 		</method>
 		<method name="put_packet">
@@ -53,13 +56,18 @@
 			</return>
 			<argument index="0" name="var" type="Variant">
 			</argument>
+			<argument index="1" name="full_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Send a Variant as a packet.
+				Send a Variant as a packet. When [code]full_objects[/code] (or [member allow_object_decoding]) is [code]true[/code] encoding objects is allowed (and can potentially include code).
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="allow_object_decoding" type="bool" setter="set_allow_object_decoding" getter="is_object_decoding_allowed">
+			Deprecated. Use [code]get_var[/code] and [code]put_var[/code] parameters instead.
+			If [code]true[/code] the PacketPeer will allow encoding and decoding of object via [method get_var] and [method put_var].
+			[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/PacketPeerStream.xml b/doc/classes/PacketPeerStream.xml
index 9e3195bb44..5fb5aea46e 100644
--- a/doc/classes/PacketPeerStream.xml
+++ b/doc/classes/PacketPeerStream.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PacketPeerStream" inherits="PacketPeer" category="Core" version="3.1">
+<class name="PacketPeerStream" inherits="PacketPeer" category="Core" version="3.2">
 	<brief_description>
 		Wrapper to use a PacketPeer over a StreamPeer.
 	</brief_description>
diff --git a/doc/classes/PacketPeerUDP.xml b/doc/classes/PacketPeerUDP.xml
index d4e3d17de6..b535b6d892 100644
--- a/doc/classes/PacketPeerUDP.xml
+++ b/doc/classes/PacketPeerUDP.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PacketPeerUDP" inherits="PacketPeer" category="Core" version="3.1">
+<class name="PacketPeerUDP" inherits="PacketPeer" category="Core" version="3.2">
 	<brief_description>
 		UDP packet peer.
 	</brief_description>
@@ -15,7 +15,7 @@
 			<return type="void">
 			</return>
 			<description>
-				Close the UDP socket the [code]PacketPeerUDP[/code] is currently listening on.
+				Close the UDP socket the [PacketPeerUDP] is currently listening on.
 			</description>
 		</method>
 		<method name="get_packet_ip" qualifiers="const">
@@ -36,7 +36,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				Return whether this [code]PacketPeerUDP[/code] is listening.
+				Return whether this [PacketPeerUDP] is listening.
 			</description>
 		</method>
 		<method name="listen">
@@ -49,7 +49,7 @@
 			<argument index="2" name="recv_buf_size" type="int" default="65536">
 			</argument>
 			<description>
-				Make this [code]PacketPeerUDP[/code] listen on the "port" binding to "bind_address" with a buffer size "recv_buf_size".
+				Make this [PacketPeerUDP] listen on the "port" binding to "bind_address" with a buffer size "recv_buf_size".
 				If "bind_address" is set as "*" (default), the peer will listen on all available addresses (both IPv4 and IPv6).
 				If "bind_address" is set as "0.0.0.0" (for IPv4) or "::" (for IPv6), the peer will listen on all available addresses matching that IP type.
 				If "bind_address" is set to any valid address (e.g. "192.168.1.101", "::1", etc), the peer will only listen on the interface with that addresses (or fail if no interface with the given address exists).
diff --git a/doc/classes/Panel.xml b/doc/classes/Panel.xml
index 758925e969..483f31dbc2 100644
--- a/doc/classes/Panel.xml
+++ b/doc/classes/Panel.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Panel" inherits="Control" category="Core" version="3.1">
+<class name="Panel" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Provides an opaque background for [Control] children.
 	</brief_description>
diff --git a/doc/classes/PanelContainer.xml b/doc/classes/PanelContainer.xml
index f5c351fa21..681777119c 100644
--- a/doc/classes/PanelContainer.xml
+++ b/doc/classes/PanelContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PanelContainer" inherits="Container" category="Core" version="3.1">
+<class name="PanelContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Panel container type.
 	</brief_description>
diff --git a/doc/classes/PanoramaSky.xml b/doc/classes/PanoramaSky.xml
index 402e65c573..664b867c13 100644
--- a/doc/classes/PanoramaSky.xml
+++ b/doc/classes/PanoramaSky.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PanoramaSky" inherits="Sky" category="Core" version="3.1">
+<class name="PanoramaSky" inherits="Sky" category="Core" version="3.2">
 	<brief_description>
 		A type of [Sky] used to draw a background texture.
 	</brief_description>
diff --git a/doc/classes/ParallaxBackground.xml b/doc/classes/ParallaxBackground.xml
index 81795df87f..911d6377d5 100644
--- a/doc/classes/ParallaxBackground.xml
+++ b/doc/classes/ParallaxBackground.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ParallaxBackground" inherits="CanvasLayer" category="Core" version="3.1">
+<class name="ParallaxBackground" inherits="CanvasLayer" category="Core" version="3.2">
 	<brief_description>
 		A node used to create a parallax scrolling background.
 	</brief_description>
diff --git a/doc/classes/ParallaxLayer.xml b/doc/classes/ParallaxLayer.xml
index e6ea166282..5ca3c9b4ae 100644
--- a/doc/classes/ParallaxLayer.xml
+++ b/doc/classes/ParallaxLayer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ParallaxLayer" inherits="Node2D" category="Core" version="3.1">
+<class name="ParallaxLayer" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		A parallax scrolling layer to be used with [ParallaxBackground].
 	</brief_description>
diff --git a/doc/classes/Particles.xml b/doc/classes/Particles.xml
index b6e31d3576..aa64461f38 100644
--- a/doc/classes/Particles.xml
+++ b/doc/classes/Particles.xml
@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Particles" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="Particles" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 		3D particle emitter.
 	</brief_description>
 	<description>
-		3D particle node used to create a variety of particle systems and effects. [code]Particles[/code] features an emitter that generates some number of particles at a given rate.
+		3D particle node used to create a variety of particle systems and effects. [Particles] features an emitter that generates some number of particles at a given rate.
 		Use the [code]process_material[/code] property to add a [ParticlesMaterial] to configure particle appearance and behavior. Alternatively, you can add a [ShaderMaterial] which will be applied to all particles.
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/3d/vertex_animation/controlling_thousands_of_fish.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/Particles2D.xml b/doc/classes/Particles2D.xml
index 91c1a0ca9b..ec7c49ae45 100644
--- a/doc/classes/Particles2D.xml
+++ b/doc/classes/Particles2D.xml
@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Particles2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Particles2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		2D particle emitter.
 	</brief_description>
 	<description>
-		2D particle node used to create a variety of particle systems and effects. [code]Particles2D[/code] features an emitter that generates some number of particles at a given rate.
+		2D particle node used to create a variety of particle systems and effects. [Particles2D] features an emitter that generates some number of particles at a given rate.
 		Use the [code]process_material[/code] property to add a [ParticlesMaterial] to configure particle appearance and behavior. Alternatively, you can add a [ShaderMaterial] which will be applied to all particles.
 	</description>
 	<tutorials>
+		<link>https://docs.godotengine.org/en/latest/tutorials/2d/particle_systems_2d.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/ParticlesMaterial.xml b/doc/classes/ParticlesMaterial.xml
index 89913d9e0d..ab6eb5e656 100644
--- a/doc/classes/ParticlesMaterial.xml
+++ b/doc/classes/ParticlesMaterial.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ParticlesMaterial" inherits="Material" category="Core" version="3.1">
+<class name="ParticlesMaterial" inherits="Material" category="Core" version="3.2">
 	<brief_description>
 		Particle properties for [Particles] and [Particles2D] nodes.
 	</brief_description>
diff --git a/doc/classes/Path.xml b/doc/classes/Path.xml
index 5ece747aaf..f490b2c36e 100644
--- a/doc/classes/Path.xml
+++ b/doc/classes/Path.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Path" inherits="Spatial" category="Core" version="3.1">
+<class name="Path" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Container for a [Curve3D].
 	</brief_description>
diff --git a/doc/classes/Path2D.xml b/doc/classes/Path2D.xml
index 5e40fb6956..4f36fbf275 100644
--- a/doc/classes/Path2D.xml
+++ b/doc/classes/Path2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Path2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Path2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Contains a [Curve2D] path for [PathFollow2D] nodes to follow.
 	</brief_description>
diff --git a/doc/classes/PathFollow.xml b/doc/classes/PathFollow.xml
index da4782a7c3..651b2c1ab2 100644
--- a/doc/classes/PathFollow.xml
+++ b/doc/classes/PathFollow.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PathFollow" inherits="Spatial" category="Core" version="3.1">
+<class name="PathFollow" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Point sampler for a [Path].
 	</brief_description>
diff --git a/doc/classes/PathFollow2D.xml b/doc/classes/PathFollow2D.xml
index a31652b7f9..dc89a03610 100644
--- a/doc/classes/PathFollow2D.xml
+++ b/doc/classes/PathFollow2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PathFollow2D" inherits="Node2D" category="Core" version="3.1">
+<class name="PathFollow2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Point sampler for a [Path2D].
 	</brief_description>
diff --git a/doc/classes/Performance.xml b/doc/classes/Performance.xml
index 3b11d9e47f..4ee43d5760 100644
--- a/doc/classes/Performance.xml
+++ b/doc/classes/Performance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Performance" inherits="Object" category="Core" version="3.1">
+<class name="Performance" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Exposes performance related data.
 	</brief_description>
diff --git a/doc/classes/PhysicalBone.xml b/doc/classes/PhysicalBone.xml
index 5eb4550e93..29e6991a21 100644
--- a/doc/classes/PhysicalBone.xml
+++ b/doc/classes/PhysicalBone.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicalBone" inherits="PhysicsBody" category="Core" version="3.1">
+<class name="PhysicalBone" inherits="PhysicsBody" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Physics2DDirectBodyState.xml b/doc/classes/Physics2DDirectBodyState.xml
index 52c89248ff..e2d5886d87 100644
--- a/doc/classes/Physics2DDirectBodyState.xml
+++ b/doc/classes/Physics2DDirectBodyState.xml
@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DDirectBodyState" inherits="Object" category="Core" version="3.1">
+<class name="Physics2DDirectBodyState" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Direct access object to a physics body in the [Physics2DServer].
 	</brief_description>
 	<description>
-		Direct access object to a physics body in the [Physics2DServer]. This object is passed via the direct state callback of rigid/character bodies, and is intended for changing the direct state of that body.
+		Provides direct access to a physics body in the [Physics2DServer], allowing safe changes to physics properties. This object is passed via the direct state callback of rigid/character bodies, and is intended for changing the direct state of that body. See [method RigidBody2D._integrate_forces].
 	</description>
 	<tutorials>
+		<link>https://docs.godotengine.org/en/latest/tutorials/physics/ray-casting.html</link>
 	</tutorials>
 	<demos>
 	</demos>
@@ -17,6 +18,7 @@
 			<argument index="0" name="force" type="Vector2">
 			</argument>
 			<description>
+				Adds a constant directional force without affecting rotation.
 			</description>
 		</method>
 		<method name="add_force">
@@ -27,6 +29,7 @@
 			<argument index="1" name="force" type="Vector2">
 			</argument>
 			<description>
+				Adds a positioned force to the body. Both the force and the offset from the body origin are in global coordinates.
 			</description>
 		</method>
 		<method name="add_torque">
@@ -35,6 +38,7 @@
 			<argument index="0" name="torque" type="float">
 			</argument>
 			<description>
+				Adds a constant rotational force.
 			</description>
 		</method>
 		<method name="apply_central_impulse">
@@ -43,6 +47,7 @@
 			<argument index="0" name="impulse" type="Vector2">
 			</argument>
 			<description>
+				Applies a directional impulse without affecting rotation.
 			</description>
 		</method>
 		<method name="apply_impulse">
@@ -53,6 +58,7 @@
 			<argument index="1" name="impulse" type="Vector2">
 			</argument>
 			<description>
+				Applies a positioned impulse to the body. An impulse is time independent! Applying an impulse every frame would result in a framerate dependent force. For this reason it should only be used when simulating one-time impacts (use the "_force" functions otherwise). The offset uses the rotation of the global coordinate system, but is centered at the object's origin.
 			</description>
 		</method>
 		<method name="apply_torque_impulse">
@@ -61,6 +67,7 @@
 			<argument index="0" name="impulse" type="float">
 			</argument>
 			<description>
+				Applies a rotational impulse to the body.
 			</description>
 		</method>
 		<method name="get_contact_collider" qualifiers="const">
@@ -69,7 +76,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the [RID] of the collider.
+				Returns the collider's [RID].
 			</description>
 		</method>
 		<method name="get_contact_collider_id" qualifiers="const">
@@ -78,7 +85,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the object id of the collider.
+				Returns the collider's object id.
 			</description>
 		</method>
 		<method name="get_contact_collider_object" qualifiers="const">
@@ -87,7 +94,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the collider object, this depends on how it was created (will return a scene node if such was used to create it).
+				Returns the collider object. This depends on how it was created (will return a scene node if such was used to create it).
 			</description>
 		</method>
 		<method name="get_contact_collider_position" qualifiers="const">
@@ -96,7 +103,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the contact position in the collider.
+				Returns the contact position in the collider.
 			</description>
 		</method>
 		<method name="get_contact_collider_shape" qualifiers="const">
@@ -105,7 +112,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the collider shape index.
+				Returns the collider's shape index.
 			</description>
 		</method>
 		<method name="get_contact_collider_shape_metadata" qualifiers="const">
@@ -114,7 +121,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the metadata of the collided shape. This metadata is different from [method Object.get_meta], and is set with [method Physics2DServer.shape_set_data].
+				Returns the collided shape's metadata. This metadata is different from [method Object.get_meta], and is set with [method Physics2DServer.shape_set_data].
 			</description>
 		</method>
 		<method name="get_contact_collider_velocity_at_position" qualifiers="const">
@@ -123,14 +130,14 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the linear velocity vector at contact point of the collider.
+				Returns the linear velocity vector at the collider's contact point.
 			</description>
 		</method>
 		<method name="get_contact_count" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
-				Return the amount of contacts this body has with other bodies. Note that by default this returns 0 unless bodies are configured to log contacts.
+				Returns the number of contacts this body has with other bodies. Note that by default this returns 0 unless bodies are configured to log contacts. See [member RigidBody2D.contact_monitor].
 			</description>
 		</method>
 		<method name="get_contact_local_normal" qualifiers="const">
@@ -139,7 +146,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the local normal (of this body) of the contact point.
+				Returns the local normal at the contact point.
 			</description>
 		</method>
 		<method name="get_contact_local_position" qualifiers="const">
@@ -148,7 +155,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the local position (of this body) of the contact point.
+				Returns the local position of the contact point.
 			</description>
 		</method>
 		<method name="get_contact_local_shape" qualifiers="const">
@@ -157,27 +164,27 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
-				Return the local shape index of the collision.
+				Returns the local shape index of the collision.
 			</description>
 		</method>
 		<method name="get_space_state">
 			<return type="Physics2DDirectSpaceState">
 			</return>
 			<description>
-				Return the current state of space, useful for queries.
+				Returns the current state of the space, useful for queries.
 			</description>
 		</method>
 		<method name="integrate_forces">
 			<return type="void">
 			</return>
 			<description>
-				Call the built-in force integration code.
+				Calls the built-in force integration code.
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="angular_velocity" type="float" setter="set_angular_velocity" getter="get_angular_velocity">
-			The angular velocity of the body.
+			The body's rotational velocity.
 		</member>
 		<member name="inverse_inertia" type="float" setter="" getter="get_inverse_inertia">
 			The inverse of the inertia of the body.
@@ -186,10 +193,10 @@
 			The inverse of the mass of the body.
 		</member>
 		<member name="linear_velocity" type="Vector2" setter="set_linear_velocity" getter="get_linear_velocity">
-			The linear velocity of the body.
+			The body's linear velocity.
 		</member>
 		<member name="sleeping" type="bool" setter="set_sleep_state" getter="is_sleeping">
-			[code]true[/code] if this body is currently sleeping (not active).
+			If [code]true[/code], this body is currently sleeping (not active).
 		</member>
 		<member name="step" type="float" setter="" getter="get_step">
 			The timestep (delta) used for the simulation.
@@ -204,7 +211,7 @@
 			The rate at which the body stops moving, if there are not any other forces moving it.
 		</member>
 		<member name="transform" type="Transform2D" setter="set_transform" getter="get_transform">
-			The transformation matrix of the body.
+			The body's transformation matrix.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/Physics2DDirectBodyStateSW.xml b/doc/classes/Physics2DDirectBodyStateSW.xml
index cb1e9239b3..6f388443e9 100644
--- a/doc/classes/Physics2DDirectBodyStateSW.xml
+++ b/doc/classes/Physics2DDirectBodyStateSW.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DDirectBodyStateSW" inherits="Physics2DDirectBodyState" category="Core" version="3.1">
+<class name="Physics2DDirectBodyStateSW" inherits="Physics2DDirectBodyState" category="Core" version="3.2">
 	<brief_description>
 		Software implementation of [Physics2DDirectBodyState].
 	</brief_description>
diff --git a/doc/classes/Physics2DDirectSpaceState.xml b/doc/classes/Physics2DDirectSpaceState.xml
index 1bffea0c09..6aa14bd087 100644
--- a/doc/classes/Physics2DDirectSpaceState.xml
+++ b/doc/classes/Physics2DDirectSpaceState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DDirectSpaceState" inherits="Object" category="Core" version="3.1">
+<class name="Physics2DDirectSpaceState" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Direct access object to a space in the [Physics2DServer].
 	</brief_description>
diff --git a/doc/classes/Physics2DServer.xml b/doc/classes/Physics2DServer.xml
index 341457a2b3..bea2c88a3e 100644
--- a/doc/classes/Physics2DServer.xml
+++ b/doc/classes/Physics2DServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DServer" inherits="Object" category="Core" version="3.1">
+<class name="Physics2DServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Physics 2D Server.
 	</brief_description>
diff --git a/doc/classes/Physics2DServerSW.xml b/doc/classes/Physics2DServerSW.xml
index 49157bd94b..23e708af61 100644
--- a/doc/classes/Physics2DServerSW.xml
+++ b/doc/classes/Physics2DServerSW.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DServerSW" inherits="Physics2DServer" category="Core" version="3.1">
+<class name="Physics2DServerSW" inherits="Physics2DServer" category="Core" version="3.2">
 	<brief_description>
 		Software implementation of [Physics2DServer].
 	</brief_description>
diff --git a/doc/classes/Physics2DShapeQueryParameters.xml b/doc/classes/Physics2DShapeQueryParameters.xml
index f9e0c5e3de..9375bdbbf8 100644
--- a/doc/classes/Physics2DShapeQueryParameters.xml
+++ b/doc/classes/Physics2DShapeQueryParameters.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DShapeQueryParameters" inherits="Reference" category="Core" version="3.1">
+<class name="Physics2DShapeQueryParameters" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Parameters to be sent to a 2D shape physics query.
 	</brief_description>
diff --git a/doc/classes/Physics2DShapeQueryResult.xml b/doc/classes/Physics2DShapeQueryResult.xml
index 52e7294e24..89f45437ab 100644
--- a/doc/classes/Physics2DShapeQueryResult.xml
+++ b/doc/classes/Physics2DShapeQueryResult.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DShapeQueryResult" inherits="Reference" category="Core" version="3.1">
+<class name="Physics2DShapeQueryResult" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Physics2DTestMotionResult.xml b/doc/classes/Physics2DTestMotionResult.xml
index 3b864433f0..9fe3564e70 100644
--- a/doc/classes/Physics2DTestMotionResult.xml
+++ b/doc/classes/Physics2DTestMotionResult.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Physics2DTestMotionResult" inherits="Reference" category="Core" version="3.1">
+<class name="Physics2DTestMotionResult" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PhysicsBody.xml b/doc/classes/PhysicsBody.xml
index 2658732f84..827a3e01dc 100644
--- a/doc/classes/PhysicsBody.xml
+++ b/doc/classes/PhysicsBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsBody" inherits="CollisionObject" category="Core" version="3.1">
+<class name="PhysicsBody" inherits="CollisionObject" category="Core" version="3.2">
 	<brief_description>
 		Base class for all objects affected by physics in 3D space.
 	</brief_description>
diff --git a/doc/classes/PhysicsBody2D.xml b/doc/classes/PhysicsBody2D.xml
index f848b6df70..1735e572fb 100644
--- a/doc/classes/PhysicsBody2D.xml
+++ b/doc/classes/PhysicsBody2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsBody2D" inherits="CollisionObject2D" category="Core" version="3.1">
+<class name="PhysicsBody2D" inherits="CollisionObject2D" category="Core" version="3.2">
 	<brief_description>
 		Base class for all objects affected by physics in 2D space.
 	</brief_description>
diff --git a/doc/classes/PhysicsDirectBodyState.xml b/doc/classes/PhysicsDirectBodyState.xml
index cf718f06b2..89fb785659 100644
--- a/doc/classes/PhysicsDirectBodyState.xml
+++ b/doc/classes/PhysicsDirectBodyState.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsDirectBodyState" inherits="Object" category="Core" version="3.1">
+<class name="PhysicsDirectBodyState" inherits="Object" category="Core" version="3.2">
 	<brief_description>
+		Direct access object to a physics body in the [PhysicsServer].
 	</brief_description>
 	<description>
+		Provides direct access to a physics body in the [PhysicsServer], allowing safe changes to physics properties. This object is passed via the direct state callback of rigid/character bodies, and is intended for changing the direct state of that body. See [method RigidBody._integrate_forces].
 	</description>
 	<tutorials>
 	</tutorials>
@@ -27,7 +29,7 @@
 			<argument index="1" name="position" type="Vector3">
 			</argument>
 			<description>
-				Adds a constant force (i.e. acceleration).
+				Adds a positioned force to the body. Both the force and the offset from the body origin are in global coordinates.
 			</description>
 		</method>
 		<method name="add_torque">
@@ -36,7 +38,7 @@
 			<argument index="0" name="torque" type="Vector3">
 			</argument>
 			<description>
-				Adds a constant rotational force (i.e. a motor) without affecting position.
+				Adds a constant rotational force without affecting position.
 			</description>
 		</method>
 		<method name="apply_central_impulse">
@@ -75,6 +77,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the collider's [RID].
 			</description>
 		</method>
 		<method name="get_contact_collider_id" qualifiers="const">
@@ -83,6 +86,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the collider's object id.
 			</description>
 		</method>
 		<method name="get_contact_collider_object" qualifiers="const">
@@ -91,6 +95,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the collider object.
 			</description>
 		</method>
 		<method name="get_contact_collider_position" qualifiers="const">
@@ -99,6 +104,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the contact position in the collider.
 			</description>
 		</method>
 		<method name="get_contact_collider_shape" qualifiers="const">
@@ -107,6 +113,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the collider's shape index.
 			</description>
 		</method>
 		<method name="get_contact_collider_velocity_at_position" qualifiers="const">
@@ -115,12 +122,14 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the linear velocity vector at the collider's contact point.
 			</description>
 		</method>
 		<method name="get_contact_count" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
+				Returns the number of contacts this body has with other bodies. Note that by default this returns 0 unless bodies are configured to log contacts. See [member RigidBody.contact_monitor].
 			</description>
 		</method>
 		<method name="get_contact_impulse" qualifiers="const">
@@ -138,6 +147,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the local normal at the contact point.
 			</description>
 		</method>
 		<method name="get_contact_local_position" qualifiers="const">
@@ -146,6 +156,7 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the local position of the contact point.
 			</description>
 		</method>
 		<method name="get_contact_local_shape" qualifiers="const">
@@ -154,24 +165,27 @@
 			<argument index="0" name="contact_idx" type="int">
 			</argument>
 			<description>
+				Returns the local shape index of the collision.
 			</description>
 		</method>
 		<method name="get_space_state">
 			<return type="PhysicsDirectSpaceState">
 			</return>
 			<description>
+				Returns the current state of the space, useful for queries.
 			</description>
 		</method>
 		<method name="integrate_forces">
 			<return type="void">
 			</return>
 			<description>
+				Calls the built-in force integration code.
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="angular_velocity" type="Vector3" setter="set_angular_velocity" getter="get_angular_velocity">
-			The angular velocity of the body.
+			The body's rotational velocity.
 		</member>
 		<member name="center_of_mass" type="Vector3" setter="" getter="get_center_of_mass">
 		</member>
@@ -182,12 +196,12 @@
 			The inverse of the mass of the body.
 		</member>
 		<member name="linear_velocity" type="Vector3" setter="set_linear_velocity" getter="get_linear_velocity">
-			The linear velocity of the body.
+			The body's linear velocity.
 		</member>
 		<member name="principal_inertia_axes" type="Basis" setter="" getter="get_principal_inertia_axes">
 		</member>
 		<member name="sleeping" type="bool" setter="set_sleep_state" getter="is_sleeping">
-			[code]true[/code] if this body is currently sleeping (not active).
+			If [code]true[/code], this body is currently sleeping (not active).
 		</member>
 		<member name="step" type="float" setter="" getter="get_step">
 			The timestep (delta) used for the simulation.
@@ -202,7 +216,7 @@
 			The rate at which the body stops moving, if there are not any other forces moving it.
 		</member>
 		<member name="transform" type="Transform" setter="set_transform" getter="get_transform">
-			The transformation matrix of the body.
+			The body's transformation matrix.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/PhysicsDirectSpaceState.xml b/doc/classes/PhysicsDirectSpaceState.xml
index 118010b3cf..a029b7d37b 100644
--- a/doc/classes/PhysicsDirectSpaceState.xml
+++ b/doc/classes/PhysicsDirectSpaceState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsDirectSpaceState" inherits="Object" category="Core" version="3.1">
+<class name="PhysicsDirectSpaceState" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Direct access object to a space in the [PhysicsServer].
 	</brief_description>
diff --git a/doc/classes/PhysicsMaterial.xml b/doc/classes/PhysicsMaterial.xml
index 3eebcc57a1..80ae115418 100644
--- a/doc/classes/PhysicsMaterial.xml
+++ b/doc/classes/PhysicsMaterial.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsMaterial" inherits="Resource" category="Core" version="3.1">
+<class name="PhysicsMaterial" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A material for physics properties.
 	</brief_description>
diff --git a/doc/classes/PhysicsServer.xml b/doc/classes/PhysicsServer.xml
index b797e6ecf7..d8238a7af7 100644
--- a/doc/classes/PhysicsServer.xml
+++ b/doc/classes/PhysicsServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsServer" inherits="Object" category="Core" version="3.1">
+<class name="PhysicsServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Server interface for low level physics access.
 	</brief_description>
diff --git a/doc/classes/PhysicsShapeQueryParameters.xml b/doc/classes/PhysicsShapeQueryParameters.xml
index 7cca231ad2..75e0cdfb73 100644
--- a/doc/classes/PhysicsShapeQueryParameters.xml
+++ b/doc/classes/PhysicsShapeQueryParameters.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsShapeQueryParameters" inherits="Reference" category="Core" version="3.1">
+<class name="PhysicsShapeQueryParameters" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PhysicsShapeQueryResult.xml b/doc/classes/PhysicsShapeQueryResult.xml
index 080d7389b7..41c04970d7 100644
--- a/doc/classes/PhysicsShapeQueryResult.xml
+++ b/doc/classes/PhysicsShapeQueryResult.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PhysicsShapeQueryResult" inherits="Reference" category="Core" version="3.1">
+<class name="PhysicsShapeQueryResult" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Result of a shape query in Physics2DServer.
 	</brief_description>
diff --git a/doc/classes/PinJoint.xml b/doc/classes/PinJoint.xml
index 470c22cd4c..3c705a9e01 100644
--- a/doc/classes/PinJoint.xml
+++ b/doc/classes/PinJoint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PinJoint" inherits="Joint" category="Core" version="3.1">
+<class name="PinJoint" inherits="Joint" category="Core" version="3.2">
 	<brief_description>
 		Pin Joint for 3D Shapes.
 	</brief_description>
diff --git a/doc/classes/PinJoint2D.xml b/doc/classes/PinJoint2D.xml
index 42708151ec..e7a89654d9 100644
--- a/doc/classes/PinJoint2D.xml
+++ b/doc/classes/PinJoint2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PinJoint2D" inherits="Joint2D" category="Core" version="3.1">
+<class name="PinJoint2D" inherits="Joint2D" category="Core" version="3.2">
 	<brief_description>
 		Pin Joint for 2D Shapes.
 	</brief_description>
diff --git a/doc/classes/Plane.xml b/doc/classes/Plane.xml
index a57659abda..4a7a099800 100644
--- a/doc/classes/Plane.xml
+++ b/doc/classes/Plane.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Plane" category="Built-In Types" version="3.1">
+<class name="Plane" category="Built-In Types" version="3.2">
 	<brief_description>
 		Plane in hessian form.
 	</brief_description>
diff --git a/doc/classes/PlaneMesh.xml b/doc/classes/PlaneMesh.xml
index fc293ab4df..a5ad82f777 100644
--- a/doc/classes/PlaneMesh.xml
+++ b/doc/classes/PlaneMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PlaneMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="PlaneMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a planar [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/PlaneShape.xml b/doc/classes/PlaneShape.xml
index bc3faf7c01..6468c86bbf 100644
--- a/doc/classes/PlaneShape.xml
+++ b/doc/classes/PlaneShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PlaneShape" inherits="Shape" category="Core" version="3.1">
+<class name="PlaneShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Polygon2D.xml b/doc/classes/Polygon2D.xml
index 31ee0a9490..515a0fc017 100644
--- a/doc/classes/Polygon2D.xml
+++ b/doc/classes/Polygon2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Polygon2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Polygon2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		A 2D polygon.
 	</brief_description>
diff --git a/doc/classes/PolygonPathFinder.xml b/doc/classes/PolygonPathFinder.xml
index e4a4d9b976..504acf2125 100644
--- a/doc/classes/PolygonPathFinder.xml
+++ b/doc/classes/PolygonPathFinder.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PolygonPathFinder" inherits="Resource" category="Core" version="3.1">
+<class name="PolygonPathFinder" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/PoolByteArray.xml b/doc/classes/PoolByteArray.xml
index 83a138be97..d197f0c600 100644
--- a/doc/classes/PoolByteArray.xml
+++ b/doc/classes/PoolByteArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolByteArray" category="Built-In Types" version="3.1">
+<class name="PoolByteArray" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of bytes.
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolByteArray[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolByteArray]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolByteArray">
 			</argument>
 			<description>
-				Append a [code]PoolByteArray[/code] at the end of this array.
+				Append a [PoolByteArray] at the end of this array.
 			</description>
 		</method>
 		<method name="compress">
@@ -40,7 +40,7 @@
 			<argument index="0" name="compression_mode" type="int" default="0">
 			</argument>
 			<description>
-				Returns a new [code]PoolByteArray[/code] with the data compressed. Set the compression mode using one of [enum File.CompressionMode]'s constants.
+				Returns a new [PoolByteArray] with the data compressed. Set the compression mode using one of [enum File.CompressionMode]'s constants.
 			</description>
 		</method>
 		<method name="decompress">
@@ -51,7 +51,7 @@
 			<argument index="1" name="compression_mode" type="int" default="0">
 			</argument>
 			<description>
-				Returns a new [code]PoolByteArray[/code] with the data decompressed. Set [code]buffer_size[/code] to the size of the uncompressed data. Set the compression mode using one of [enum File.CompressionMode]'s constants.
+				Returns a new [PoolByteArray] with the data decompressed. Set [code]buffer_size[/code] to the size of the uncompressed data. Set the compression mode using one of [enum File.CompressionMode]'s constants.
 			</description>
 		</method>
 		<method name="get_string_from_ascii">
@@ -129,7 +129,7 @@
 			<argument index="1" name="to" type="int">
 			</argument>
 			<description>
-				Returns the slice of the [code]PoolByteArray[/code] between indices (inclusive) as a new [code]PoolByteArray[/code]. Any negative index is considered to be from the end of the array.
+				Returns the slice of the [PoolByteArray] between indices (inclusive) as a new [PoolByteArray]. Any negative index is considered to be from the end of the array.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/PoolColorArray.xml b/doc/classes/PoolColorArray.xml
index 9fdd1090ae..bcbc1697ba 100644
--- a/doc/classes/PoolColorArray.xml
+++ b/doc/classes/PoolColorArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolColorArray" category="Built-In Types" version="3.1">
+<class name="PoolColorArray" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of [Color].
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolColorArray[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolColorArray]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolColorArray">
 			</argument>
 			<description>
-				Append a [code]PoolColorArray[/code] at the end of this array.
+				Append a [PoolColorArray] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/PoolIntArray.xml b/doc/classes/PoolIntArray.xml
index a8808284b5..72300345bc 100644
--- a/doc/classes/PoolIntArray.xml
+++ b/doc/classes/PoolIntArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolIntArray" category="Built-In Types" version="3.1">
+<class name="PoolIntArray" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of integers ([int]).
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolIntArray[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolIntArray]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolIntArray">
 			</argument>
 			<description>
-				Append a [code]PoolIntArray[/code] at the end of this array.
+				Append a [PoolIntArray] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/PoolRealArray.xml b/doc/classes/PoolRealArray.xml
index 3eb485ce12..cdcd3e1353 100644
--- a/doc/classes/PoolRealArray.xml
+++ b/doc/classes/PoolRealArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolRealArray" category="Built-In Types" version="3.1">
+<class name="PoolRealArray" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of reals ([float]).
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolRealArray[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolRealArray]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolRealArray">
 			</argument>
 			<description>
-				Append a [code]PoolRealArray[/code] at the end of this array.
+				Append a [PoolRealArray] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/PoolStringArray.xml b/doc/classes/PoolStringArray.xml
index a02c6c1bdb..f494c151b7 100644
--- a/doc/classes/PoolStringArray.xml
+++ b/doc/classes/PoolStringArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolStringArray" category="Built-In Types" version="3.1">
+<class name="PoolStringArray" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of [String].
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolStringArray[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolStringArray]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolStringArray">
 			</argument>
 			<description>
-				Append a [code]PoolStringArray[/code] at the end of this array.
+				Append a [PoolStringArray] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/PoolVector2Array.xml b/doc/classes/PoolVector2Array.xml
index 39d89c2ebd..2ba184bd88 100644
--- a/doc/classes/PoolVector2Array.xml
+++ b/doc/classes/PoolVector2Array.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolVector2Array" category="Built-In Types" version="3.1">
+<class name="PoolVector2Array" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of [Vector2].
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolVector2Array[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolVector2Array]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolVector2Array">
 			</argument>
 			<description>
-				Append a [code]PoolVector2Array[/code] at the end of this array.
+				Append a [PoolVector2Array] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/PoolVector3Array.xml b/doc/classes/PoolVector3Array.xml
index 3f77e737f6..ed62220ad6 100644
--- a/doc/classes/PoolVector3Array.xml
+++ b/doc/classes/PoolVector3Array.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PoolVector3Array" category="Built-In Types" version="3.1">
+<class name="PoolVector3Array" category="Built-In Types" version="3.2">
 	<brief_description>
 		A pooled [Array] of [Vector3].
 	</brief_description>
@@ -17,7 +17,7 @@
 			<argument index="0" name="from" type="Array">
 			</argument>
 			<description>
-				Construct a new [code]PoolVector3Array[/code]. Optionally, you can pass in a generic [Array] that will be converted.
+				Construct a new [PoolVector3Array]. Optionally, you can pass in a generic [Array] that will be converted.
 			</description>
 		</method>
 		<method name="append">
@@ -31,7 +31,7 @@
 			<argument index="0" name="array" type="PoolVector3Array">
 			</argument>
 			<description>
-				Append a [code]PoolVector3Array[/code] at the end of this array.
+				Append a [PoolVector3Array] at the end of this array.
 			</description>
 		</method>
 		<method name="insert">
diff --git a/doc/classes/Popup.xml b/doc/classes/Popup.xml
index be6e8b6ef1..095993a56e 100644
--- a/doc/classes/Popup.xml
+++ b/doc/classes/Popup.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Popup" inherits="Control" category="Core" version="3.1">
+<class name="Popup" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Base container control for popups and dialogs.
 	</brief_description>
diff --git a/doc/classes/PopupDialog.xml b/doc/classes/PopupDialog.xml
index 4f15fb4b05..0aebfb7712 100644
--- a/doc/classes/PopupDialog.xml
+++ b/doc/classes/PopupDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PopupDialog" inherits="Popup" category="Core" version="3.1">
+<class name="PopupDialog" inherits="Popup" category="Core" version="3.2">
 	<brief_description>
 		Base class for Popup Dialogs.
 	</brief_description>
diff --git a/doc/classes/PopupMenu.xml b/doc/classes/PopupMenu.xml
index ea696e624a..5b0ea5ef59 100644
--- a/doc/classes/PopupMenu.xml
+++ b/doc/classes/PopupMenu.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PopupMenu" inherits="Popup" category="Core" version="3.1">
+<class name="PopupMenu" inherits="Popup" category="Core" version="3.2">
 	<brief_description>
 		PopupMenu displays a list of options.
 	</brief_description>
diff --git a/doc/classes/PopupPanel.xml b/doc/classes/PopupPanel.xml
index 694c29efda..58b9f3fcf4 100644
--- a/doc/classes/PopupPanel.xml
+++ b/doc/classes/PopupPanel.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PopupPanel" inherits="Popup" category="Core" version="3.1">
+<class name="PopupPanel" inherits="Popup" category="Core" version="3.2">
 	<brief_description>
 		Class for displaying popups with a panel background.
 	</brief_description>
diff --git a/doc/classes/Position2D.xml b/doc/classes/Position2D.xml
index 6c26bf412c..9bbfbdbc15 100644
--- a/doc/classes/Position2D.xml
+++ b/doc/classes/Position2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Position2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Position2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Generic 2D Position hint for editing.
 	</brief_description>
diff --git a/doc/classes/Position3D.xml b/doc/classes/Position3D.xml
index 7c0875cc0c..d563898d93 100644
--- a/doc/classes/Position3D.xml
+++ b/doc/classes/Position3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Position3D" inherits="Spatial" category="Core" version="3.1">
+<class name="Position3D" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Generic 3D Position hint for editing.
 	</brief_description>
diff --git a/doc/classes/PrimitiveMesh.xml b/doc/classes/PrimitiveMesh.xml
index 0f0511258b..9003a3377b 100644
--- a/doc/classes/PrimitiveMesh.xml
+++ b/doc/classes/PrimitiveMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PrimitiveMesh" inherits="Mesh" category="Core" version="3.1">
+<class name="PrimitiveMesh" inherits="Mesh" category="Core" version="3.2">
 	<brief_description>
 		Base class for all primitive meshes. Handles applying a [Material] to a primitive mesh.
 	</brief_description>
diff --git a/doc/classes/PrismMesh.xml b/doc/classes/PrismMesh.xml
index 11815d299b..4bbbc959d1 100644
--- a/doc/classes/PrismMesh.xml
+++ b/doc/classes/PrismMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PrismMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="PrismMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a prism-shaped [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/ProceduralSky.xml b/doc/classes/ProceduralSky.xml
index 090b626433..16c5bb423d 100644
--- a/doc/classes/ProceduralSky.xml
+++ b/doc/classes/ProceduralSky.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ProceduralSky" inherits="Sky" category="Core" version="3.1">
+<class name="ProceduralSky" inherits="Sky" category="Core" version="3.2">
 	<brief_description>
 		Type of [Sky] that is generated procedurally based on user input parameters.
 	</brief_description>
diff --git a/doc/classes/ProgressBar.xml b/doc/classes/ProgressBar.xml
index 8d6e77751d..848140bd34 100644
--- a/doc/classes/ProgressBar.xml
+++ b/doc/classes/ProgressBar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ProgressBar" inherits="Range" category="Core" version="3.1">
+<class name="ProgressBar" inherits="Range" category="Core" version="3.2">
 	<brief_description>
 		General purpose progress bar.
 	</brief_description>
diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 1fec737642..e67e3c9a03 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ProjectSettings" inherits="Object" category="Core" version="3.1">
+<class name="ProjectSettings" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Contains global variables accessible from everywhere.
 	</brief_description>
@@ -163,7 +163,11 @@
 		</method>
 	</methods>
 	<members>
+		<member name="android/modules" type="String" setter="" getter="">
+			Comma-separated list of custom Android modules (which must have been built in the Android export templates) using their Java package path, e.g. [code]org/godotengine/org/GodotPaymentV3,org/godotengine/godot/MyCustomSingleton"[/code].
+		</member>
 		<member name="application/boot_splash/bg_color" type="Color" setter="" getter="">
+			Background color for the boot splash.
 		</member>
 		<member name="application/boot_splash/fullsize" type="bool" setter="" getter="">
 			Scale the boot splash image to the full window length when engine starts (will leave it as default pixel size otherwise).
@@ -319,6 +323,9 @@
 		<member name="display/mouse_cursor/custom_image_hotspot" type="Vector2" setter="" getter="">
 			Hotspot for the custom mouse cursor image.
 		</member>
+		<member name="display/mouse_cursor/tooltip_position_offset" type="Vector2" setter="" getter="">
+			Position offset for tooltips, relative to the hotspot of the mouse cursor.
+		</member>
 		<member name="display/window/dpi/allow_hidpi" type="bool" setter="" getter="">
 			Allow HiDPI display on Windows and OSX. On Desktop Linux, this can't be enabled or disabled.
 		</member>
diff --git a/doc/classes/ProximityGroup.xml b/doc/classes/ProximityGroup.xml
index 1f1c45fbf9..bd7a7bc904 100644
--- a/doc/classes/ProximityGroup.xml
+++ b/doc/classes/ProximityGroup.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ProximityGroup" inherits="Spatial" category="Core" version="3.1">
+<class name="ProximityGroup" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		General purpose proximity-detection node.
 	</brief_description>
diff --git a/doc/classes/ProxyTexture.xml b/doc/classes/ProxyTexture.xml
index 69702ee22e..1350462142 100644
--- a/doc/classes/ProxyTexture.xml
+++ b/doc/classes/ProxyTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ProxyTexture" inherits="Texture" category="Core" version="3.1">
+<class name="ProxyTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/QuadMesh.xml b/doc/classes/QuadMesh.xml
index a45b2ddf4b..fbc2c454d5 100644
--- a/doc/classes/QuadMesh.xml
+++ b/doc/classes/QuadMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="QuadMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="QuadMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a square mesh.
 	</brief_description>
diff --git a/doc/classes/Quat.xml b/doc/classes/Quat.xml
index 990dcc7a91..3867fca24f 100644
--- a/doc/classes/Quat.xml
+++ b/doc/classes/Quat.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Quat" category="Built-In Types" version="3.1">
+<class name="Quat" category="Built-In Types" version="3.2">
 	<brief_description>
 		Quaternion.
 	</brief_description>
diff --git a/doc/classes/RID.xml b/doc/classes/RID.xml
index a289b68c9a..e8fa652b17 100644
--- a/doc/classes/RID.xml
+++ b/doc/classes/RID.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RID" category="Built-In Types" version="3.1">
+<class name="RID" category="Built-In Types" version="3.2">
 	<brief_description>
 		Handle for a [Resource]'s unique ID.
 	</brief_description>
diff --git a/doc/classes/RandomNumberGenerator.xml b/doc/classes/RandomNumberGenerator.xml
index fff13402f1..6fa2d44fd0 100644
--- a/doc/classes/RandomNumberGenerator.xml
+++ b/doc/classes/RandomNumberGenerator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RandomNumberGenerator" inherits="Reference" category="Core" version="3.1">
+<class name="RandomNumberGenerator" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A class for generation pseudo-random numbers.
 	</brief_description>
diff --git a/doc/classes/Range.xml b/doc/classes/Range.xml
index 0dc02a68da..ea749f0537 100644
--- a/doc/classes/Range.xml
+++ b/doc/classes/Range.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Range" inherits="Control" category="Core" version="3.1">
+<class name="Range" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Abstract base class for range-based controls.
 	</brief_description>
diff --git a/doc/classes/RayCast.xml b/doc/classes/RayCast.xml
index 61f2737c01..3b3a207bc3 100644
--- a/doc/classes/RayCast.xml
+++ b/doc/classes/RayCast.xml
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RayCast" inherits="Spatial" category="Core" version="3.1">
+<class name="RayCast" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Query the closest object intersecting a ray.
 	</brief_description>
 	<description>
 		A RayCast represents a line from its origin to its destination position, [code]cast_to[/code]. It is used to query the 3D space in order to find the closest object along the path of the ray.
-		RayCast can ignore some objects by adding them to the exception list via [code]add_exception[/code], by setting proper filtering with collision layers, or by filtering object types with type masks.
+		RayCast can ignore some objects by adding them to the exception list via [code]add_exception[/code] or by setting proper filtering with collision layers and masks.
 		RayCast can be configured to report collisions with [Area]s ([member collide_with_areas]) and/or [PhysicsBody]s ([member collide_with_bodies]).
 		Only enabled raycasts will be able to query the space and report collisions.
-		RayCast calculates intersection every physics frame (see [Node]), and the result is cached so it can be used later until the next frame. If multiple queries are required between physics frames (or during the same frame) use [method force_raycast_update] after adjusting the raycast.
+		RayCast calculates intersection every physics frame (see [Node]), and the result is cached so it can be used later until the next frame. If multiple queries are required between physics frames (or during the same frame), use [method force_raycast_update] after adjusting the raycast.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/RayCast2D.xml b/doc/classes/RayCast2D.xml
index afb80f2f6e..00345bff6b 100644
--- a/doc/classes/RayCast2D.xml
+++ b/doc/classes/RayCast2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RayCast2D" inherits="Node2D" category="Core" version="3.1">
+<class name="RayCast2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Query the closest object intersecting a ray.
 	</brief_description>
diff --git a/doc/classes/RayShape.xml b/doc/classes/RayShape.xml
index 50d324f72c..a14618a423 100644
--- a/doc/classes/RayShape.xml
+++ b/doc/classes/RayShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RayShape" inherits="Shape" category="Core" version="3.1">
+<class name="RayShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Ray shape for 3D collisions.
 	</brief_description>
diff --git a/doc/classes/RayShape2D.xml b/doc/classes/RayShape2D.xml
index 2fdc1930fb..4c3d0de34e 100644
--- a/doc/classes/RayShape2D.xml
+++ b/doc/classes/RayShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RayShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="RayShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Ray shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/Rect2.xml b/doc/classes/Rect2.xml
index 45bfd16cb8..90082af43b 100644
--- a/doc/classes/Rect2.xml
+++ b/doc/classes/Rect2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Rect2" category="Built-In Types" version="3.1">
+<class name="Rect2" category="Built-In Types" version="3.2">
 	<brief_description>
 		2D Axis-aligned bounding box.
 	</brief_description>
@@ -20,7 +20,7 @@
 			<argument index="1" name="size" type="Vector2">
 			</argument>
 			<description>
-				Constructs a [code]Rect2[/code] by position and size.
+				Constructs a [Rect2] by position and size.
 			</description>
 		</method>
 		<method name="Rect2">
@@ -35,14 +35,14 @@
 			<argument index="3" name="height" type="float">
 			</argument>
 			<description>
-				Constructs a [code]Rect2[/code] by x, y, width, and height.
+				Constructs a [Rect2] by x, y, width, and height.
 			</description>
 		</method>
 		<method name="abs">
 			<return type="Rect2">
 			</return>
 			<description>
-				Returns a [code]Rect2[/code] with equivalent position and area, modified so that the top-left corner is the origin and [code]width[/code] and [code]height[/code] are positive.
+				Returns a [Rect2] with equivalent position and area, modified so that the top-left corner is the origin and [code]width[/code] and [code]height[/code] are positive.
 			</description>
 		</method>
 		<method name="clip">
@@ -51,7 +51,7 @@
 			<argument index="0" name="b" type="Rect2">
 			</argument>
 			<description>
-				Returns the intersection of this [code]Rect2[/code] and b.
+				Returns the intersection of this [Rect2] and b.
 			</description>
 		</method>
 		<method name="encloses">
@@ -60,7 +60,7 @@
 			<argument index="0" name="b" type="Rect2">
 			</argument>
 			<description>
-				Returns [code]true[/code] if this [code]Rect2[/code] completely encloses another one.
+				Returns [code]true[/code] if this [Rect2] completely encloses another one.
 			</description>
 		</method>
 		<method name="expand">
@@ -69,14 +69,14 @@
 			<argument index="0" name="to" type="Vector2">
 			</argument>
 			<description>
-				Returns this [code]Rect2[/code] expanded to include a given point.
+				Returns this [Rect2] expanded to include a given point.
 			</description>
 		</method>
 		<method name="get_area">
 			<return type="float">
 			</return>
 			<description>
-				Returns the area of the [code]Rect2[/code].
+				Returns the area of the [Rect2].
 			</description>
 		</method>
 		<method name="grow">
@@ -85,7 +85,7 @@
 			<argument index="0" name="by" type="float">
 			</argument>
 			<description>
-				Returns a copy of the [code]Rect2[/code] grown a given amount of units towards all the sides.
+				Returns a copy of the [Rect2] grown a given amount of units towards all the sides.
 			</description>
 		</method>
 		<method name="grow_individual">
@@ -100,7 +100,7 @@
 			<argument index="3" name=" bottom" type="float">
 			</argument>
 			<description>
-				Returns a copy of the [code]Rect2[/code] grown a given amount of units towards each direction individually.
+				Returns a copy of the [Rect2] grown a given amount of units towards each direction individually.
 			</description>
 		</method>
 		<method name="grow_margin">
@@ -111,14 +111,14 @@
 			<argument index="1" name="by" type="float">
 			</argument>
 			<description>
-				Returns a copy of the [code]Rect2[/code] grown a given amount of units towards the [enum Margin] direction.
+				Returns a copy of the [Rect2] grown a given amount of units towards the [enum Margin] direction.
 			</description>
 		</method>
 		<method name="has_no_area">
 			<return type="bool">
 			</return>
 			<description>
-				Returns [code]true[/code] if the [code]Rect2[/code] is flat or empty.
+				Returns [code]true[/code] if the [Rect2] is flat or empty.
 			</description>
 		</method>
 		<method name="has_point">
@@ -127,7 +127,7 @@
 			<argument index="0" name="point" type="Vector2">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]Rect2[/code] contains a point.
+				Returns [code]true[/code] if the [Rect2] contains a point.
 			</description>
 		</method>
 		<method name="intersects">
@@ -136,7 +136,7 @@
 			<argument index="0" name="b" type="Rect2">
 			</argument>
 			<description>
-				Returns [code]true[/code] if the [code]Rect2[/code] overlaps with another.
+				Returns [code]true[/code] if the [Rect2] overlaps with another.
 			</description>
 		</method>
 		<method name="merge">
@@ -145,7 +145,7 @@
 			<argument index="0" name="b" type="Rect2">
 			</argument>
 			<description>
-				Returns a larger Rect2 that contains this Rect2 and [code]with[/code].
+				Returns a larger Rect2 that contains this Rect2 and [code]b[/code].
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/RectangleShape2D.xml b/doc/classes/RectangleShape2D.xml
index 4a312503f4..6d8411e127 100644
--- a/doc/classes/RectangleShape2D.xml
+++ b/doc/classes/RectangleShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RectangleShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="RectangleShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Rectangle shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/Reference.xml b/doc/classes/Reference.xml
index 3238501633..b2e63befe4 100644
--- a/doc/classes/Reference.xml
+++ b/doc/classes/Reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Reference" inherits="Object" category="Core" version="3.1">
+<class name="Reference" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Base class for anything that keeps a reference count.
 	</brief_description>
diff --git a/doc/classes/ReferenceRect.xml b/doc/classes/ReferenceRect.xml
index e1cb104e40..b07b9bf80e 100644
--- a/doc/classes/ReferenceRect.xml
+++ b/doc/classes/ReferenceRect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ReferenceRect" inherits="Control" category="Core" version="3.1">
+<class name="ReferenceRect" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Reference frame for GUI.
 	</brief_description>
diff --git a/doc/classes/ReflectionProbe.xml b/doc/classes/ReflectionProbe.xml
index 7662f72eca..58bd254e29 100644
--- a/doc/classes/ReflectionProbe.xml
+++ b/doc/classes/ReflectionProbe.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ReflectionProbe" inherits="VisualInstance" category="Core" version="3.1">
+<class name="ReflectionProbe" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/RemoteTransform.xml b/doc/classes/RemoteTransform.xml
index 3df94bdfca..36260853f0 100644
--- a/doc/classes/RemoteTransform.xml
+++ b/doc/classes/RemoteTransform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RemoteTransform" inherits="Spatial" category="Core" version="3.1">
+<class name="RemoteTransform" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		RemoteTransform pushes its own [Transform] to another [Spatial] derived Node in the scene.
 	</brief_description>
diff --git a/doc/classes/RemoteTransform2D.xml b/doc/classes/RemoteTransform2D.xml
index cf0e6c6199..e56cff2a76 100644
--- a/doc/classes/RemoteTransform2D.xml
+++ b/doc/classes/RemoteTransform2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RemoteTransform2D" inherits="Node2D" category="Core" version="3.1">
+<class name="RemoteTransform2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		RemoteTransform2D pushes its own [Transform2D] to another [CanvasItem] derived Node in the scene.
 	</brief_description>
diff --git a/doc/classes/Resource.xml b/doc/classes/Resource.xml
index 4369f77abd..4a5d46b9a3 100644
--- a/doc/classes/Resource.xml
+++ b/doc/classes/Resource.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Resource" inherits="Reference" category="Core" version="3.1">
+<class name="Resource" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Base class for all resources.
 	</brief_description>
@@ -52,7 +52,7 @@
 			<argument index="0" name="path" type="String">
 			</argument>
 			<description>
-				Sets the path of the resource. Differs from [code]set_path()[/code], if another [code]Resource[/code] exists with "path" it over-takes it, instead of failing.
+				Sets the path of the resource. Differs from [code]set_path()[/code], if another [Resource] exists with "path" it over-takes it, instead of failing.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/ResourceFormatDDS.xml b/doc/classes/ResourceFormatDDS.xml
index e237dfc6a5..1a99773c35 100644
--- a/doc/classes/ResourceFormatDDS.xml
+++ b/doc/classes/ResourceFormatDDS.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatDDS" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatDDS" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatImporter.xml b/doc/classes/ResourceFormatImporter.xml
index fa5b44fa18..efe5dfe0b3 100644
--- a/doc/classes/ResourceFormatImporter.xml
+++ b/doc/classes/ResourceFormatImporter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatImporter" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatImporter" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoader.xml b/doc/classes/ResourceFormatLoader.xml
index 97547a607a..f1899d3ddc 100644
--- a/doc/classes/ResourceFormatLoader.xml
+++ b/doc/classes/ResourceFormatLoader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoader" inherits="Reference" category="Core" version="3.1">
+<class name="ResourceFormatLoader" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Loads a specific resource type from a file.
 	</brief_description>
diff --git a/doc/classes/ResourceFormatLoaderBMFont.xml b/doc/classes/ResourceFormatLoaderBMFont.xml
index 1e999353f8..e90fbc8834 100644
--- a/doc/classes/ResourceFormatLoaderBMFont.xml
+++ b/doc/classes/ResourceFormatLoaderBMFont.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderBMFont" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderBMFont" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderBinary.xml b/doc/classes/ResourceFormatLoaderBinary.xml
index 3c768851e2..5f172da9fb 100644
--- a/doc/classes/ResourceFormatLoaderBinary.xml
+++ b/doc/classes/ResourceFormatLoaderBinary.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderBinary" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderBinary" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderDynamicFont.xml b/doc/classes/ResourceFormatLoaderDynamicFont.xml
index 4cd5c9b2a6..7cbae5ba94 100644
--- a/doc/classes/ResourceFormatLoaderDynamicFont.xml
+++ b/doc/classes/ResourceFormatLoaderDynamicFont.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderDynamicFont" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderDynamicFont" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderGDScript.xml b/doc/classes/ResourceFormatLoaderGDScript.xml
index b661e4746a..6a6e0458f6 100644
--- a/doc/classes/ResourceFormatLoaderGDScript.xml
+++ b/doc/classes/ResourceFormatLoaderGDScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderGDScript" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderGDScript" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderImage.xml b/doc/classes/ResourceFormatLoaderImage.xml
index 5f7e55af28..1cd1687053 100644
--- a/doc/classes/ResourceFormatLoaderImage.xml
+++ b/doc/classes/ResourceFormatLoaderImage.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderImage" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderImage" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderNativeScript.xml b/doc/classes/ResourceFormatLoaderNativeScript.xml
index 496602e7dd..05dd3ed9d0 100644
--- a/doc/classes/ResourceFormatLoaderNativeScript.xml
+++ b/doc/classes/ResourceFormatLoaderNativeScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderNativeScript" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderNativeScript" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderShader.xml b/doc/classes/ResourceFormatLoaderShader.xml
index 0948810532..befd0a61db 100644
--- a/doc/classes/ResourceFormatLoaderShader.xml
+++ b/doc/classes/ResourceFormatLoaderShader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderShader" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderShader" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderStreamTexture.xml b/doc/classes/ResourceFormatLoaderStreamTexture.xml
index 34843f9e1a..5fdf863d82 100644
--- a/doc/classes/ResourceFormatLoaderStreamTexture.xml
+++ b/doc/classes/ResourceFormatLoaderStreamTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderStreamTexture" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderStreamTexture" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderText.xml b/doc/classes/ResourceFormatLoaderText.xml
index db3b28f233..7d77658fcb 100644
--- a/doc/classes/ResourceFormatLoaderText.xml
+++ b/doc/classes/ResourceFormatLoaderText.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderText" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderText" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderTextureLayered.xml b/doc/classes/ResourceFormatLoaderTextureLayered.xml
index cd31f35e49..b726139897 100644
--- a/doc/classes/ResourceFormatLoaderTextureLayered.xml
+++ b/doc/classes/ResourceFormatLoaderTextureLayered.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderTextureLayered" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderTextureLayered" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderTheora.xml b/doc/classes/ResourceFormatLoaderTheora.xml
index dff7e2f3dc..fd3caa9a69 100644
--- a/doc/classes/ResourceFormatLoaderTheora.xml
+++ b/doc/classes/ResourceFormatLoaderTheora.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderTheora" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderTheora" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatLoaderWebm.xml b/doc/classes/ResourceFormatLoaderWebm.xml
index f2b403161e..2a9e93af91 100644
--- a/doc/classes/ResourceFormatLoaderWebm.xml
+++ b/doc/classes/ResourceFormatLoaderWebm.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderWebm" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderWebm" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatPKM.xml b/doc/classes/ResourceFormatPKM.xml
index aa511823d3..16a085c83d 100644
--- a/doc/classes/ResourceFormatPKM.xml
+++ b/doc/classes/ResourceFormatPKM.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatPKM" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatPKM" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatPVR.xml b/doc/classes/ResourceFormatPVR.xml
index 4f3b4f670f..e330ab0712 100644
--- a/doc/classes/ResourceFormatPVR.xml
+++ b/doc/classes/ResourceFormatPVR.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatPVR" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatPVR" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatSaver.xml b/doc/classes/ResourceFormatSaver.xml
index d50027ef8e..ddc9f0460c 100644
--- a/doc/classes/ResourceFormatSaver.xml
+++ b/doc/classes/ResourceFormatSaver.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaver" inherits="Reference" category="Core" version="3.1">
+<class name="ResourceFormatSaver" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Saves a specific resource type to a file.
 	</brief_description>
 	<description>
-		The engine can save resources when you do it from the editor, or when you call [method ResourceSaver.save]. This is accomplished with multiple [code]ResourceFormatSaver[/code]s, each handling its own format.
+		The engine can save resources when you do it from the editor, or when you call [method ResourceSaver.save]. This is accomplished with multiple [ResourceFormatSaver]s, each handling its own format.
 		By default, Godot saves resources as [code].tres[/code], [code].res[/code] or another built-in format, but you can choose to create your own format by extending this class. You should give it a global class name with [code]class_name[/code] for it to be registered. You may as well implement a [ResourceFormatLoader].
 	</description>
 	<tutorials>
diff --git a/doc/classes/ResourceFormatSaverBinary.xml b/doc/classes/ResourceFormatSaverBinary.xml
index 7afec9ba23..adb4db35ad 100644
--- a/doc/classes/ResourceFormatSaverBinary.xml
+++ b/doc/classes/ResourceFormatSaverBinary.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaverBinary" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceFormatSaverBinary" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatSaverGDScript.xml b/doc/classes/ResourceFormatSaverGDScript.xml
index 27964c7c9b..5018122329 100644
--- a/doc/classes/ResourceFormatSaverGDScript.xml
+++ b/doc/classes/ResourceFormatSaverGDScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaverGDScript" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceFormatSaverGDScript" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatSaverNativeScript.xml b/doc/classes/ResourceFormatSaverNativeScript.xml
index 9f8c0ccc78..3c69915e18 100644
--- a/doc/classes/ResourceFormatSaverNativeScript.xml
+++ b/doc/classes/ResourceFormatSaverNativeScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaverNativeScript" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceFormatSaverNativeScript" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatSaverShader.xml b/doc/classes/ResourceFormatSaverShader.xml
index cdc512dfea..783cc00396 100644
--- a/doc/classes/ResourceFormatSaverShader.xml
+++ b/doc/classes/ResourceFormatSaverShader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaverShader" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceFormatSaverShader" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceFormatSaverText.xml b/doc/classes/ResourceFormatSaverText.xml
index 6ae4ff4a2c..b02ca40d7a 100644
--- a/doc/classes/ResourceFormatSaverText.xml
+++ b/doc/classes/ResourceFormatSaverText.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatSaverText" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceFormatSaverText" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceImporter.xml b/doc/classes/ResourceImporter.xml
index 09fe828bd3..96f9152ac0 100644
--- a/doc/classes/ResourceImporter.xml
+++ b/doc/classes/ResourceImporter.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceImporter" inherits="Reference" category="Core" version="3.1">
+<class name="ResourceImporter" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ResourceInteractiveLoader.xml b/doc/classes/ResourceInteractiveLoader.xml
index 076121b42d..f1e9678499 100644
--- a/doc/classes/ResourceInteractiveLoader.xml
+++ b/doc/classes/ResourceInteractiveLoader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceInteractiveLoader" inherits="Reference" category="Core" version="3.1">
+<class name="ResourceInteractiveLoader" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Interactive Resource Loader.
 	</brief_description>
diff --git a/doc/classes/ResourceLoader.xml b/doc/classes/ResourceLoader.xml
index 926bd63de2..9f207a49cd 100644
--- a/doc/classes/ResourceLoader.xml
+++ b/doc/classes/ResourceLoader.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceLoader" inherits="Object" category="Core" version="3.1">
+<class name="ResourceLoader" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Resource Loader.
 	</brief_description>
 	<description>
-		Resource Loader. This is a static object accessible as [code]ResourceLoader[/code]. GDScript has a simplified load() function, though.
+		Resource Loader. This is a static object accessible as [ResourceLoader]. GDScript has a simplified load() function, though.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/ResourcePreloader.xml b/doc/classes/ResourcePreloader.xml
index 18d6e04d8e..9dc9469c4e 100644
--- a/doc/classes/ResourcePreloader.xml
+++ b/doc/classes/ResourcePreloader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourcePreloader" inherits="Node" category="Core" version="3.1">
+<class name="ResourcePreloader" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Resource Preloader Node.
 	</brief_description>
diff --git a/doc/classes/ResourceSaver.xml b/doc/classes/ResourceSaver.xml
index f388667891..165ab0dc95 100644
--- a/doc/classes/ResourceSaver.xml
+++ b/doc/classes/ResourceSaver.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceSaver" inherits="Object" category="Core" version="3.1">
+<class name="ResourceSaver" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Resource saving interface.
 	</brief_description>
diff --git a/doc/classes/ResourceSaverPNG.xml b/doc/classes/ResourceSaverPNG.xml
index a161a4de5f..3931c39c98 100644
--- a/doc/classes/ResourceSaverPNG.xml
+++ b/doc/classes/ResourceSaverPNG.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceSaverPNG" inherits="ResourceFormatSaver" category="Core" version="3.1">
+<class name="ResourceSaverPNG" inherits="ResourceFormatSaver" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/RichTextLabel.xml b/doc/classes/RichTextLabel.xml
index dcfb980e21..4ecde6260b 100644
--- a/doc/classes/RichTextLabel.xml
+++ b/doc/classes/RichTextLabel.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RichTextLabel" inherits="Control" category="Core" version="3.1">
+<class name="RichTextLabel" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Label that displays rich text.
 	</brief_description>
diff --git a/doc/classes/RigidBody.xml b/doc/classes/RigidBody.xml
index 3c253c3bea..d55e56578a 100644
--- a/doc/classes/RigidBody.xml
+++ b/doc/classes/RigidBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RigidBody" inherits="PhysicsBody" category="Core" version="3.1">
+<class name="RigidBody" inherits="PhysicsBody" category="Core" version="3.2">
 	<brief_description>
 		Physics Body whose position is determined through physics simulation in 3D space.
 	</brief_description>
diff --git a/doc/classes/RigidBody2D.xml b/doc/classes/RigidBody2D.xml
index 9b74dbedb4..f7fc408bca 100644
--- a/doc/classes/RigidBody2D.xml
+++ b/doc/classes/RigidBody2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RigidBody2D" inherits="PhysicsBody2D" category="Core" version="3.1">
+<class name="RigidBody2D" inherits="PhysicsBody2D" category="Core" version="3.2">
 	<brief_description>
 		A body that is controlled by the 2D physics engine.
 	</brief_description>
diff --git a/doc/classes/RootMotionView.xml b/doc/classes/RootMotionView.xml
index 97008f05ff..c1b72b6205 100644
--- a/doc/classes/RootMotionView.xml
+++ b/doc/classes/RootMotionView.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RootMotionView" inherits="VisualInstance" category="Core" version="3.1">
+<class name="RootMotionView" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/SceneState.xml b/doc/classes/SceneState.xml
index bd2f883cae..711071cd68 100644
--- a/doc/classes/SceneState.xml
+++ b/doc/classes/SceneState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SceneState" inherits="Reference" category="Core" version="3.1">
+<class name="SceneState" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A script interface to a scene file's data.
 	</brief_description>
diff --git a/doc/classes/SceneTree.xml b/doc/classes/SceneTree.xml
index 7e696badb2..fb23ef0654 100644
--- a/doc/classes/SceneTree.xml
+++ b/doc/classes/SceneTree.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SceneTree" inherits="MainLoop" category="Core" version="3.1">
+<class name="SceneTree" inherits="MainLoop" category="Core" version="3.2">
 	<brief_description>
 		SceneTree manages a hierarchy of nodes.
 	</brief_description>
 	<description>
-		As one of the most important classes, the [code]SceneTree[/code] manages the hierarchy of nodes in a scene as well as scenes themselves. Nodes can be added, retrieved and removed. The whole scene tree (and thus the current scene) can be paused. Scenes can be loaded, switched and reloaded. You can also use the SceneTree to organize your nodes into groups: every node can be assigned as many groups as you want to create, e.g. a "enemy" group. You can then iterate these groups or even call methods and set properties on all the group's members at once.
+		As one of the most important classes, the [SceneTree] manages the hierarchy of nodes in a scene as well as scenes themselves. Nodes can be added, retrieved and removed. The whole scene tree (and thus the current scene) can be paused. Scenes can be loaded, switched and reloaded. You can also use the SceneTree to organize your nodes into groups: every node can be assigned as many groups as you want to create, e.g. a "enemy" group. You can then iterate these groups or even call methods and set properties on all the group's members at once.
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/getting_started/step_by_step/scene_tree.html</link>
diff --git a/doc/classes/SceneTreeTimer.xml b/doc/classes/SceneTreeTimer.xml
index f58c531ed5..52a5101986 100644
--- a/doc/classes/SceneTreeTimer.xml
+++ b/doc/classes/SceneTreeTimer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SceneTreeTimer" inherits="Reference" category="Core" version="3.1">
+<class name="SceneTreeTimer" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		One-shot timer.
 	</brief_description>
diff --git a/doc/classes/Script.xml b/doc/classes/Script.xml
index ec1d544c03..f9316a8dfc 100644
--- a/doc/classes/Script.xml
+++ b/doc/classes/Script.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Script" inherits="Resource" category="Core" version="3.1">
+<class name="Script" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A class stored as a resource.
 	</brief_description>
diff --git a/doc/classes/ScriptCreateDialog.xml b/doc/classes/ScriptCreateDialog.xml
index 2e24a2626b..92a187eaa3 100644
--- a/doc/classes/ScriptCreateDialog.xml
+++ b/doc/classes/ScriptCreateDialog.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ScriptCreateDialog" inherits="ConfirmationDialog" category="Core" version="3.1">
+<class name="ScriptCreateDialog" inherits="ConfirmationDialog" category="Core" version="3.2">
 	<brief_description>
 		The Editor's popup dialog for creating new [Script] files.
 	</brief_description>
 	<description>
-		The [code]ScriptCreateDialog[/code] creates script files according to a given template for a given scripting language. The standard use is to configure its fields prior to calling one of the [method Popup.popup] methods.
+		The [ScriptCreateDialog] creates script files according to a given template for a given scripting language. The standard use is to configure its fields prior to calling one of the [method Popup.popup] methods.
 		[codeblock]
 		func _ready():
 		    dialog.config("Node", "res://new_node.gd") # for in-engine types
diff --git a/doc/classes/ScriptEditor.xml b/doc/classes/ScriptEditor.xml
index 435ab8aafc..8f1f393da4 100644
--- a/doc/classes/ScriptEditor.xml
+++ b/doc/classes/ScriptEditor.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ScriptEditor" inherits="PanelContainer" category="Core" version="3.1">
+<class name="ScriptEditor" inherits="PanelContainer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/ScrollBar.xml b/doc/classes/ScrollBar.xml
index 736b780218..3175853912 100644
--- a/doc/classes/ScrollBar.xml
+++ b/doc/classes/ScrollBar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ScrollBar" inherits="Range" category="Core" version="3.1">
+<class name="ScrollBar" inherits="Range" category="Core" version="3.2">
 	<brief_description>
 		Base class for scroll bars.
 	</brief_description>
diff --git a/doc/classes/ScrollContainer.xml b/doc/classes/ScrollContainer.xml
index c8c7fa1d01..0c44f757d7 100644
--- a/doc/classes/ScrollContainer.xml
+++ b/doc/classes/ScrollContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ScrollContainer" inherits="Container" category="Core" version="3.1">
+<class name="ScrollContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		A helper node for displaying scrollable elements (e.g. lists).
 	</brief_description>
diff --git a/doc/classes/SegmentShape2D.xml b/doc/classes/SegmentShape2D.xml
index 63afb37a7b..227af45d62 100644
--- a/doc/classes/SegmentShape2D.xml
+++ b/doc/classes/SegmentShape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SegmentShape2D" inherits="Shape2D" category="Core" version="3.1">
+<class name="SegmentShape2D" inherits="Shape2D" category="Core" version="3.2">
 	<brief_description>
 		Segment shape for 2D collisions.
 	</brief_description>
diff --git a/doc/classes/Semaphore.xml b/doc/classes/Semaphore.xml
index 5f46b949aa..3b5c7f3b59 100644
--- a/doc/classes/Semaphore.xml
+++ b/doc/classes/Semaphore.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Semaphore" inherits="Reference" category="Core" version="3.1">
+<class name="Semaphore" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A synchronization Semaphore.
 	</brief_description>
@@ -15,14 +15,14 @@
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Lowers the [code]Semaphore[/code], allowing one more thread in. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
+				Lowers the [Semaphore], allowing one more thread in. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
 			</description>
 		</method>
 		<method name="wait">
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Tries to wait for the [code]Semaphore[/code], if its value is zero, blocks until non-zero. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
+				Tries to wait for the [Semaphore], if its value is zero, blocks until non-zero. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/Separator.xml b/doc/classes/Separator.xml
index e5efa4a100..882d82a93e 100644
--- a/doc/classes/Separator.xml
+++ b/doc/classes/Separator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Separator" inherits="Control" category="Core" version="3.1">
+<class name="Separator" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Base class for separators.
 	</brief_description>
diff --git a/doc/classes/Shader.xml b/doc/classes/Shader.xml
index dd6a023af4..b42c39b03c 100644
--- a/doc/classes/Shader.xml
+++ b/doc/classes/Shader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Shader" inherits="Resource" category="Core" version="3.1">
+<class name="Shader" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A custom shader program.
 	</brief_description>
diff --git a/doc/classes/ShaderMaterial.xml b/doc/classes/ShaderMaterial.xml
index 7491d22479..6ccd255fc4 100644
--- a/doc/classes/ShaderMaterial.xml
+++ b/doc/classes/ShaderMaterial.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ShaderMaterial" inherits="Material" category="Core" version="3.1">
+<class name="ShaderMaterial" inherits="Material" category="Core" version="3.2">
 	<brief_description>
 		A material that uses a custom [Shader] program.
 	</brief_description>
@@ -7,6 +7,7 @@
 		A material that uses a custom [Shader] program to render either items to screen or process particles. You can create multiple materials for the same shader but configure different values for the uniforms defined in the shader.
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/shading/index.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/Shape.xml b/doc/classes/Shape.xml
index 6e51d3156f..75b3cc162b 100644
--- a/doc/classes/Shape.xml
+++ b/doc/classes/Shape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Shape" inherits="Resource" category="Core" version="3.1">
+<class name="Shape" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base class for all 3D shape resources.
 	</brief_description>
diff --git a/doc/classes/Shape2D.xml b/doc/classes/Shape2D.xml
index fc773faf5e..4daac404c2 100644
--- a/doc/classes/Shape2D.xml
+++ b/doc/classes/Shape2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Shape2D" inherits="Resource" category="Core" version="3.1">
+<class name="Shape2D" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base class for all 2D Shapes.
 	</brief_description>
diff --git a/doc/classes/ShortCut.xml b/doc/classes/ShortCut.xml
index b3bb364e54..c02f1765c5 100644
--- a/doc/classes/ShortCut.xml
+++ b/doc/classes/ShortCut.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ShortCut" inherits="Resource" category="Core" version="3.1">
+<class name="ShortCut" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A shortcut for binding input.
 	</brief_description>
diff --git a/doc/classes/Skeleton.xml b/doc/classes/Skeleton.xml
index 233df28255..003bd6a79b 100644
--- a/doc/classes/Skeleton.xml
+++ b/doc/classes/Skeleton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Skeleton" inherits="Spatial" category="Core" version="3.1">
+<class name="Skeleton" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Skeleton for characters and animated objects.
 	</brief_description>
@@ -259,6 +259,10 @@
 			</description>
 		</method>
 	</methods>
+	<members>
+		<member name="bones_in_world_transform" type="bool" setter="set_use_bones_in_world_transform" getter="is_using_bones_in_world_transform">
+		</member>
+	</members>
 	<constants>
 		<constant name="NOTIFICATION_UPDATE_SKELETON" value="50">
 		</constant>
diff --git a/doc/classes/Skeleton2D.xml b/doc/classes/Skeleton2D.xml
index d40b8a2fc7..6725de8116 100644
--- a/doc/classes/Skeleton2D.xml
+++ b/doc/classes/Skeleton2D.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Skeleton2D" inherits="Node2D" category="Core" version="3.1">
+<class name="Skeleton2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
 	</description>
 	<tutorials>
+		<link>http://docs.godotengine.org/en/latest/tutorials/animation/2d_skeletons.html</link>
 	</tutorials>
 	<demos>
 	</demos>
diff --git a/doc/classes/SkeletonIK.xml b/doc/classes/SkeletonIK.xml
index e720ff8f52..12127c81ea 100644
--- a/doc/classes/SkeletonIK.xml
+++ b/doc/classes/SkeletonIK.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SkeletonIK" inherits="Node" category="Core" version="3.1">
+<class name="SkeletonIK" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Sky.xml b/doc/classes/Sky.xml
index 245da99084..113bc1abb1 100644
--- a/doc/classes/Sky.xml
+++ b/doc/classes/Sky.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Sky" inherits="Resource" category="Core" version="3.1">
+<class name="Sky" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		The base class for [PanoramaSky] and [ProceduralSky].
 	</brief_description>
diff --git a/doc/classes/Slider.xml b/doc/classes/Slider.xml
index 1e6ed65b48..1e665f0236 100644
--- a/doc/classes/Slider.xml
+++ b/doc/classes/Slider.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Slider" inherits="Range" category="Core" version="3.1">
+<class name="Slider" inherits="Range" category="Core" version="3.2">
 	<brief_description>
 		Base class for GUI Sliders.
 	</brief_description>
diff --git a/doc/classes/SliderJoint.xml b/doc/classes/SliderJoint.xml
index b3d59d6b75..a7702efd55 100644
--- a/doc/classes/SliderJoint.xml
+++ b/doc/classes/SliderJoint.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SliderJoint" inherits="Joint" category="Core" version="3.1">
+<class name="SliderJoint" inherits="Joint" category="Core" version="3.2">
 	<brief_description>
 		Piston kind of slider between two bodies in 3D.
 	</brief_description>
diff --git a/doc/classes/SoftBody.xml b/doc/classes/SoftBody.xml
index 6c3929d65b..29e359b548 100644
--- a/doc/classes/SoftBody.xml
+++ b/doc/classes/SoftBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SoftBody" inherits="MeshInstance" category="Core" version="3.1">
+<class name="SoftBody" inherits="MeshInstance" category="Core" version="3.2">
 	<brief_description>
 		A soft mesh physics body.
 	</brief_description>
diff --git a/doc/classes/Spatial.xml b/doc/classes/Spatial.xml
index 518a942cc2..7e42e06960 100644
--- a/doc/classes/Spatial.xml
+++ b/doc/classes/Spatial.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Spatial" inherits="Node" category="Core" version="3.1">
+<class name="Spatial" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Most basic 3D game object, parent of all 3D related nodes.
 	</brief_description>
 	<description>
-		Most basic 3D game object, with a 3D [Transform] and visibility settings. All other 3D game objects inherit from Spatial. Use [code]Spatial[/code] as a parent node to move, scale, rotate and show/hide children in a 3D project.
-		Affine operations (rotate, scale, translate) happen in parent's local coordinate system, unless the [code]Spatial[/code] object is set as top level. Affine operations in this coordinate system correspond to direct affine operations on the [code]Spatial[/code]'s transform. The word local below refers to this coordinate system. The coordinate system that is attached to the [code]Spatial[/code] object itself is referred to as object-local coordinate system.
+		Most basic 3D game object, with a 3D [Transform] and visibility settings. All other 3D game objects inherit from Spatial. Use [Spatial] as a parent node to move, scale, rotate and show/hide children in a 3D project.
+		Affine operations (rotate, scale, translate) happen in parent's local coordinate system, unless the [Spatial] object is set as top level. Affine operations in this coordinate system correspond to direct affine operations on the [Spatial]'s transform. The word local below refers to this coordinate system. The coordinate system that is attached to the [Spatial] object itself is referred to as object-local coordinate system.
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/tutorials/3d/introduction_to_3d.html</link>
@@ -23,14 +23,14 @@
 			<return type="Spatial">
 			</return>
 			<description>
-				Returns the parent [code]Spatial[/code], or an empty [Object] if no parent exists or parent is not of type [code]Spatial[/code].
+				Returns the parent [Spatial], or an empty [Object] if no parent exists or parent is not of type [Spatial].
 			</description>
 		</method>
 		<method name="get_world" qualifiers="const">
 			<return type="World">
 			</return>
 			<description>
-				Returns the current [World] resource this [code]Spatial[/code] node is registered to.
+				Returns the current [World] resource this [Spatial] node is registered to.
 			</description>
 		</method>
 		<method name="global_rotate">
@@ -72,7 +72,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				Returns whether node notifies about its local transformation changes. [code]Spatial[/code] will not propagate this by default.
+				Returns whether node notifies about its local transformation changes. [Spatial] will not propagate this by default.
 			</description>
 		</method>
 		<method name="is_scale_disabled" qualifiers="const">
@@ -92,7 +92,7 @@
 			<return type="bool">
 			</return>
 			<description>
-				Returns whether the node notifies about its global and local transformation changes. [code]Spatial[/code] will not propagate this by default.
+				Returns whether the node notifies about its global and local transformation changes. [Spatial] will not propagate this by default.
 			</description>
 		</method>
 		<method name="is_visible_in_tree" qualifiers="const">
@@ -232,7 +232,7 @@
 			<argument index="0" name="enable" type="bool">
 			</argument>
 			<description>
-				Set whether the node notifies about its local transformation changes. [code]Spatial[/code] will not propagate this by default.
+				Set whether the node notifies about its local transformation changes. [Spatial] will not propagate this by default.
 			</description>
 		</method>
 		<method name="set_notify_transform">
@@ -241,7 +241,7 @@
 			<argument index="0" name="enable" type="bool">
 			</argument>
 			<description>
-				Set whether the node notifies about its global and local transformation changes. [code]Spatial[/code] will not propagate this by default.
+				Set whether the node notifies about its global and local transformation changes. [Spatial] will not propagate this by default.
 			</description>
 		</method>
 		<method name="show">
diff --git a/doc/classes/SpatialGizmo.xml b/doc/classes/SpatialGizmo.xml
index 68d1d03296..aa6734ea40 100644
--- a/doc/classes/SpatialGizmo.xml
+++ b/doc/classes/SpatialGizmo.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpatialGizmo" inherits="Reference" category="Core" version="3.1">
+<class name="SpatialGizmo" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/SpatialMaterial.xml b/doc/classes/SpatialMaterial.xml
index 62a34821fe..c56e4b7feb 100644
--- a/doc/classes/SpatialMaterial.xml
+++ b/doc/classes/SpatialMaterial.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpatialMaterial" inherits="Material" category="Core" version="3.1">
+<class name="SpatialMaterial" inherits="Material" category="Core" version="3.2">
 	<brief_description>
 		Default 3D rendering material.
 	</brief_description>
diff --git a/doc/classes/SpatialVelocityTracker.xml b/doc/classes/SpatialVelocityTracker.xml
index 45cc4232dc..caa483f34d 100644
--- a/doc/classes/SpatialVelocityTracker.xml
+++ b/doc/classes/SpatialVelocityTracker.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpatialVelocityTracker" inherits="Reference" category="Core" version="3.1">
+<class name="SpatialVelocityTracker" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/SphereMesh.xml b/doc/classes/SphereMesh.xml
index e0e2d10408..b386ee4c19 100644
--- a/doc/classes/SphereMesh.xml
+++ b/doc/classes/SphereMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SphereMesh" inherits="PrimitiveMesh" category="Core" version="3.1">
+<class name="SphereMesh" inherits="PrimitiveMesh" category="Core" version="3.2">
 	<brief_description>
 		Class representing a spherical [PrimitiveMesh].
 	</brief_description>
diff --git a/doc/classes/SphereShape.xml b/doc/classes/SphereShape.xml
index bc0cd79ddd..54553d4cff 100644
--- a/doc/classes/SphereShape.xml
+++ b/doc/classes/SphereShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SphereShape" inherits="Shape" category="Core" version="3.1">
+<class name="SphereShape" inherits="Shape" category="Core" version="3.2">
 	<brief_description>
 		Sphere shape for 3D collisions.
 	</brief_description>
diff --git a/doc/classes/SpinBox.xml b/doc/classes/SpinBox.xml
index 5087cf355a..cb32999332 100644
--- a/doc/classes/SpinBox.xml
+++ b/doc/classes/SpinBox.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpinBox" inherits="Range" category="Core" version="3.1">
+<class name="SpinBox" inherits="Range" category="Core" version="3.2">
 	<brief_description>
 		Numerical input text field.
 	</brief_description>
diff --git a/doc/classes/SplitContainer.xml b/doc/classes/SplitContainer.xml
index 6370c40aba..a1b071572c 100644
--- a/doc/classes/SplitContainer.xml
+++ b/doc/classes/SplitContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SplitContainer" inherits="Container" category="Core" version="3.1">
+<class name="SplitContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Container for splitting and adjusting.
 	</brief_description>
diff --git a/doc/classes/SpotLight.xml b/doc/classes/SpotLight.xml
index 56ba2fc5b9..c84e364e83 100644
--- a/doc/classes/SpotLight.xml
+++ b/doc/classes/SpotLight.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpotLight" inherits="Light" category="Core" version="3.1">
+<class name="SpotLight" inherits="Light" category="Core" version="3.2">
 	<brief_description>
 		Spotlight [Light], such as a reflector spotlight or a lantern.
 	</brief_description>
diff --git a/doc/classes/SpringArm.xml b/doc/classes/SpringArm.xml
index 198ff4a81d..c4eb5fabd1 100644
--- a/doc/classes/SpringArm.xml
+++ b/doc/classes/SpringArm.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpringArm" inherits="Spatial" category="Core" version="3.1">
+<class name="SpringArm" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Sprite.xml b/doc/classes/Sprite.xml
index d1cdbffc6c..279d73b369 100644
--- a/doc/classes/Sprite.xml
+++ b/doc/classes/Sprite.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Sprite" inherits="Node2D" category="Core" version="3.1">
+<class name="Sprite" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		General purpose Sprite node.
 	</brief_description>
diff --git a/doc/classes/Sprite3D.xml b/doc/classes/Sprite3D.xml
index f43fa34785..8b7af5449b 100644
--- a/doc/classes/Sprite3D.xml
+++ b/doc/classes/Sprite3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Sprite3D" inherits="SpriteBase3D" category="Core" version="3.1">
+<class name="Sprite3D" inherits="SpriteBase3D" category="Core" version="3.2">
 	<brief_description>
 		2D Sprite node in 3D world.
 	</brief_description>
diff --git a/doc/classes/SpriteBase3D.xml b/doc/classes/SpriteBase3D.xml
index 12d58808d5..5173e130f7 100644
--- a/doc/classes/SpriteBase3D.xml
+++ b/doc/classes/SpriteBase3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpriteBase3D" inherits="GeometryInstance" category="Core" version="3.1">
+<class name="SpriteBase3D" inherits="GeometryInstance" category="Core" version="3.2">
 	<brief_description>
 		2D Sprite node in 3D environment.
 	</brief_description>
diff --git a/doc/classes/SpriteFrames.xml b/doc/classes/SpriteFrames.xml
index e261b2112f..3e94b196fc 100644
--- a/doc/classes/SpriteFrames.xml
+++ b/doc/classes/SpriteFrames.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SpriteFrames" inherits="Resource" category="Core" version="3.1">
+<class name="SpriteFrames" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Sprite frame library for AnimatedSprite.
 	</brief_description>
diff --git a/doc/classes/StaticBody.xml b/doc/classes/StaticBody.xml
index 01f5b07329..cd1b166924 100644
--- a/doc/classes/StaticBody.xml
+++ b/doc/classes/StaticBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StaticBody" inherits="PhysicsBody" category="Core" version="3.1">
+<class name="StaticBody" inherits="PhysicsBody" category="Core" version="3.2">
 	<brief_description>
 		Static body for 3D physics.
 	</brief_description>
diff --git a/doc/classes/StaticBody2D.xml b/doc/classes/StaticBody2D.xml
index 917773d502..52c59762d2 100644
--- a/doc/classes/StaticBody2D.xml
+++ b/doc/classes/StaticBody2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StaticBody2D" inherits="PhysicsBody2D" category="Core" version="3.1">
+<class name="StaticBody2D" inherits="PhysicsBody2D" category="Core" version="3.2">
 	<brief_description>
 		Static body for 2D Physics.
 	</brief_description>
diff --git a/doc/classes/StreamPeer.xml b/doc/classes/StreamPeer.xml
index 74ac8a79c0..4af50df0c7 100644
--- a/doc/classes/StreamPeer.xml
+++ b/doc/classes/StreamPeer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamPeer" inherits="Reference" category="Core" version="3.1">
+<class name="StreamPeer" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Abstraction and base class for stream-based protocols.
 	</brief_description>
@@ -43,7 +43,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Return the amount of bytes this [code]StreamPeer[/code] has available.
+				Return the amount of bytes this [StreamPeer] has available.
 			</description>
 		</method>
 		<method name="get_data">
@@ -127,8 +127,11 @@
 		<method name="get_var">
 			<return type="Variant">
 			</return>
+			<argument index="0" name="allow_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Get a Variant from the stream.
+				Get a Variant from the stream. When [code]allow_objects[/code] is [code]true[/code] decoding objects is allowed.
+				[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).
 			</description>
 		</method>
 		<method name="put_16">
@@ -262,14 +265,16 @@
 			</return>
 			<argument index="0" name="value" type="Variant">
 			</argument>
+			<argument index="1" name="full_objects" type="bool" default="false">
+			</argument>
 			<description>
-				Put a Variant into the stream.
+				Put a Variant into the stream. When [code]full_objects[/code] is [code]true[/code] encoding objects is allowed (and can potentially include code).
 			</description>
 		</method>
 	</methods>
 	<members>
 		<member name="big_endian" type="bool" setter="set_big_endian" getter="is_big_endian_enabled">
-			If [code]true[/code], this [code]StreamPeer[/code] will using big-endian format for encoding and decoding.
+			If [code]true[/code], this [StreamPeer] will using big-endian format for encoding and decoding.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/StreamPeerBuffer.xml b/doc/classes/StreamPeerBuffer.xml
index 3d9bdce762..d44c53abfe 100644
--- a/doc/classes/StreamPeerBuffer.xml
+++ b/doc/classes/StreamPeerBuffer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamPeerBuffer" inherits="StreamPeer" category="Core" version="3.1">
+<class name="StreamPeerBuffer" inherits="StreamPeer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/StreamPeerSSL.xml b/doc/classes/StreamPeerSSL.xml
index 40a4e04a80..76bb55ec29 100644
--- a/doc/classes/StreamPeerSSL.xml
+++ b/doc/classes/StreamPeerSSL.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamPeerSSL" inherits="StreamPeer" category="Core" version="3.1">
+<class name="StreamPeerSSL" inherits="StreamPeer" category="Core" version="3.2">
 	<brief_description>
 		SSL Stream peer.
 	</brief_description>
@@ -30,7 +30,7 @@
 			<argument index="2" name="for_hostname" type="String" default="&quot;&quot;">
 			</argument>
 			<description>
-				Connect to a peer using an underlying [StreamPeer] "stream", when "validate_certs" is true, [code]StreamPeerSSL[/code] will validate that the certificate presented by the peer matches the "for_hostname".
+				Connect to a peer using an underlying [StreamPeer] "stream", when "validate_certs" is true, [StreamPeerSSL] will validate that the certificate presented by the peer matches the "for_hostname".
 			</description>
 		</method>
 		<method name="disconnect_from_stream">
@@ -61,12 +61,12 @@
 	</members>
 	<constants>
 		<constant name="STATUS_DISCONNECTED" value="0" enum="Status">
-			A status representing a [code]StreamPeerSSL[/code] that is disconnected.
+			A status representing a [StreamPeerSSL] that is disconnected.
 		</constant>
 		<constant name="STATUS_HANDSHAKING" value="1" enum="Status">
 		</constant>
 		<constant name="STATUS_CONNECTED" value="2" enum="Status">
-			A status representing a [code]StreamPeerSSL[/code] that is connected to a host.
+			A status representing a [StreamPeerSSL] that is connected to a host.
 		</constant>
 		<constant name="STATUS_ERROR" value="3" enum="Status">
 		</constant>
diff --git a/doc/classes/StreamPeerTCP.xml b/doc/classes/StreamPeerTCP.xml
index 18324d9043..60d0bfc333 100644
--- a/doc/classes/StreamPeerTCP.xml
+++ b/doc/classes/StreamPeerTCP.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamPeerTCP" inherits="StreamPeer" category="Core" version="3.1">
+<class name="StreamPeerTCP" inherits="StreamPeer" category="Core" version="3.2">
 	<brief_description>
 		TCP Stream peer.
 	</brief_description>
@@ -70,16 +70,16 @@
 	</methods>
 	<constants>
 		<constant name="STATUS_NONE" value="0" enum="Status">
-			The initial status of the [code]StreamPeerTCP[/code], also the status after a disconnect.
+			The initial status of the [StreamPeerTCP], also the status after a disconnect.
 		</constant>
 		<constant name="STATUS_CONNECTING" value="1" enum="Status">
-			A status representing a [code]StreamPeerTCP[/code] that is connecting to a host.
+			A status representing a [StreamPeerTCP] that is connecting to a host.
 		</constant>
 		<constant name="STATUS_CONNECTED" value="2" enum="Status">
-			A status representing a [code]StreamPeerTCP[/code] that is connected to a host.
+			A status representing a [StreamPeerTCP] that is connected to a host.
 		</constant>
 		<constant name="STATUS_ERROR" value="3" enum="Status">
-			A status representing a [code]StreamPeerTCP[/code] in error state.
+			A status representing a [StreamPeerTCP] in error state.
 		</constant>
 	</constants>
 </class>
diff --git a/doc/classes/StreamTexture.xml b/doc/classes/StreamTexture.xml
index 3b44d0f00f..5f26ba0fab 100644
--- a/doc/classes/StreamTexture.xml
+++ b/doc/classes/StreamTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamTexture" inherits="Texture" category="Core" version="3.1">
+<class name="StreamTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		A .stex texture.
 	</brief_description>
diff --git a/doc/classes/String.xml b/doc/classes/String.xml
index 6ac47a89c2..c3c4b6f938 100644
--- a/doc/classes/String.xml
+++ b/doc/classes/String.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="String" category="Built-In Types" version="3.1">
+<class name="String" category="Built-In Types" version="3.2">
 	<brief_description>
 		Built-in string class.
 	</brief_description>
diff --git a/doc/classes/StyleBox.xml b/doc/classes/StyleBox.xml
index d8cc56cc8c..d80a5c0bc6 100644
--- a/doc/classes/StyleBox.xml
+++ b/doc/classes/StyleBox.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StyleBox" inherits="Resource" category="Core" version="3.1">
+<class name="StyleBox" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base class for drawing stylized boxes for the UI.
 	</brief_description>
diff --git a/doc/classes/StyleBoxEmpty.xml b/doc/classes/StyleBoxEmpty.xml
index a9eeeddd93..5833fc9c05 100644
--- a/doc/classes/StyleBoxEmpty.xml
+++ b/doc/classes/StyleBoxEmpty.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StyleBoxEmpty" inherits="StyleBox" category="Core" version="3.1">
+<class name="StyleBoxEmpty" inherits="StyleBox" category="Core" version="3.2">
 	<brief_description>
 		Empty stylebox (does not display anything).
 	</brief_description>
diff --git a/doc/classes/StyleBoxFlat.xml b/doc/classes/StyleBoxFlat.xml
index a162aa02b0..448b635886 100644
--- a/doc/classes/StyleBoxFlat.xml
+++ b/doc/classes/StyleBoxFlat.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StyleBoxFlat" inherits="StyleBox" category="Core" version="3.1">
+<class name="StyleBoxFlat" inherits="StyleBox" category="Core" version="3.2">
 	<brief_description>
 		Customizable Stylebox with a given set of parameters. (no texture required)
 	</brief_description>
diff --git a/doc/classes/StyleBoxLine.xml b/doc/classes/StyleBoxLine.xml
index 146b4b0a3d..9cbeb2d675 100644
--- a/doc/classes/StyleBoxLine.xml
+++ b/doc/classes/StyleBoxLine.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StyleBoxLine" inherits="StyleBox" category="Core" version="3.1">
+<class name="StyleBoxLine" inherits="StyleBox" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/StyleBoxTexture.xml b/doc/classes/StyleBoxTexture.xml
index 806ed1941a..f6c29f0b62 100644
--- a/doc/classes/StyleBoxTexture.xml
+++ b/doc/classes/StyleBoxTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StyleBoxTexture" inherits="StyleBox" category="Core" version="3.1">
+<class name="StyleBoxTexture" inherits="StyleBox" category="Core" version="3.2">
 	<brief_description>
 		Texture Based 3x3 scale style.
 	</brief_description>
diff --git a/doc/classes/SurfaceTool.xml b/doc/classes/SurfaceTool.xml
index 587b0190fe..3ee0e0ac0a 100644
--- a/doc/classes/SurfaceTool.xml
+++ b/doc/classes/SurfaceTool.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="SurfaceTool" inherits="Reference" category="Core" version="3.1">
+<class name="SurfaceTool" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Helper tool to create geometry.
 	</brief_description>
 	<description>
-		The [code]SurfaceTool[/code] is used to construct a [Mesh] by specifying vertex attributes individually. It can be used to construct a [Mesh] from script. All properties except index need to be added before a call to [method add_vertex]. For example adding vertex colors and UVs looks like
+		The [SurfaceTool] is used to construct a [Mesh] by specifying vertex attributes individually. It can be used to construct a [Mesh] from script. All properties except index need to be added before a call to [method add_vertex]. For example adding vertex colors and UVs looks like
 		[codeblock]
 		var st = SurfaceTool.new()
 		st.begin(Mesh.PRIMITIVE_TRIANGLES)
@@ -12,7 +12,7 @@
 		st.add_uv(Vector2(0, 0))
 		st.add_vertex(Vector3(0, 0, 0))
 		[/codeblock]
-		The [code]SurfaceTool[/code] now contains one vertex of a triangle which has a UV coordinate and a specified [Color]. If another vertex were added without calls to [method add_uv] or [method add_color] then the last values would be used.
+		The [SurfaceTool] now contains one vertex of a triangle which has a UV coordinate and a specified [Color]. If another vertex were added without calls to [method add_uv] or [method add_color] then the last values would be used.
 		It is very important that vertex attributes are passed [b]before[/b] the call to [method add_vertex], failure to do this will result in an error when committing the vertex information to a mesh.
 		Additionally, the attributes used before the first vertex is added determine the format of the mesh. For example if you only add UVs to the first vertex, you cannot add color to any of the subsequent vertices.
 	</description>
diff --git a/doc/classes/TCP_Server.xml b/doc/classes/TCP_Server.xml
index 4e3544ce5c..41e70ec96f 100644
--- a/doc/classes/TCP_Server.xml
+++ b/doc/classes/TCP_Server.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TCP_Server" inherits="Reference" category="Core" version="3.1">
+<class name="TCP_Server" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		TCP Server.
 	</brief_description>
diff --git a/doc/classes/TabContainer.xml b/doc/classes/TabContainer.xml
index 3c5bc25def..60b0e1da4e 100644
--- a/doc/classes/TabContainer.xml
+++ b/doc/classes/TabContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TabContainer" inherits="Container" category="Core" version="3.1">
+<class name="TabContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Tabbed Container.
 	</brief_description>
@@ -7,7 +7,7 @@
 		Sets the active tab's [code]visible[/code] property to the value [code]true[/code]. Sets all other children's to [code]false[/code].
 		Ignores non-[Control] children.
 		Individual tabs are always visible unless you use [method set_tab_disabled] and [method set_tab_title] to hide it.
-		To hide only a tab's content, nest the content inside a child [Control], so it receives the [code]TabContainer[/code]'s visibility setting instead.
+		To hide only a tab's content, nest the content inside a child [Control], so it receives the [TabContainer]'s visibility setting instead.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -82,7 +82,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns the [code]TabContainer[/code] rearrange group id.
+				Returns the [TabContainer] rearrange group id.
 			</description>
 		</method>
 		<method name="set_popup">
@@ -91,7 +91,7 @@
 			<argument index="0" name="popup" type="Node">
 			</argument>
 			<description>
-				If set on a [Popup] node instance, a popup menu icon appears in the top-right corner of the [code]TabContainer[/code]. Clicking it will expand the [Popup] node.
+				If set on a [Popup] node instance, a popup menu icon appears in the top-right corner of the [TabContainer]. Clicking it will expand the [Popup] node.
 			</description>
 		</method>
 		<method name="set_tab_disabled">
@@ -133,7 +133,7 @@
 			<argument index="0" name="group_id" type="int">
 			</argument>
 			<description>
-				Defines rearrange group id, choose for each [code]TabContainer[/code] the same value to enable tab drag between [code]TabContainer[/code]. Enable drag with [code]set_drag_to_rearrange_enabled(true)[/code].
+				Defines rearrange group id, choose for each [TabContainer] the same value to enable tab drag between [TabContainer]. Enable drag with [code]set_drag_to_rearrange_enabled(true)[/code].
 			</description>
 		</method>
 	</methods>
@@ -154,7 +154,7 @@
 	<signals>
 		<signal name="pre_popup_pressed">
 			<description>
-				Emitted when the [code]TabContainer[/code]'s [Popup] button is clicked. See [method set_popup] for details.
+				Emitted when the [TabContainer]'s [Popup] button is clicked. See [method set_popup] for details.
 			</description>
 		</signal>
 		<signal name="tab_changed">
diff --git a/doc/classes/Tabs.xml b/doc/classes/Tabs.xml
index b22d9d73da..303fce1386 100644
--- a/doc/classes/Tabs.xml
+++ b/doc/classes/Tabs.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Tabs" inherits="Control" category="Core" version="3.1">
+<class name="Tabs" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Tabs Control.
 	</brief_description>
@@ -97,7 +97,7 @@
 			<return type="int">
 			</return>
 			<description>
-				Returns the [code]Tabs[/code] rearrange group id.
+				Returns the [Tabs] rearrange group id.
 			</description>
 		</method>
 		<method name="move_tab">
@@ -168,7 +168,7 @@
 			<argument index="0" name="group_id" type="int">
 			</argument>
 			<description>
-				Defines rearrange group id, choose for each [code]Tabs[/code] the same value to enable tab drag between [code]Tabs[/code]. Enable drag with [code]set_drag_to_rearrange_enabled(true)[/code].
+				Defines rearrange group id, choose for each [Tabs] the same value to enable tab drag between [Tabs]. Enable drag with [code]set_drag_to_rearrange_enabled(true)[/code].
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/TextEdit.xml b/doc/classes/TextEdit.xml
index e237cfa220..0d52245538 100644
--- a/doc/classes/TextEdit.xml
+++ b/doc/classes/TextEdit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextEdit" inherits="Control" category="Core" version="3.1">
+<class name="TextEdit" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Multiline text editing control.
 	</brief_description>
diff --git a/doc/classes/TextFile.xml b/doc/classes/TextFile.xml
index f8c1fd690e..be64f07396 100644
--- a/doc/classes/TextFile.xml
+++ b/doc/classes/TextFile.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextFile" inherits="Resource" category="Core" version="3.1">
+<class name="TextFile" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Texture.xml b/doc/classes/Texture.xml
index a9be42d1a1..17894d663d 100644
--- a/doc/classes/Texture.xml
+++ b/doc/classes/Texture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Texture" inherits="Resource" category="Core" version="3.1">
+<class name="Texture" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Texture for 2D and 3D.
 	</brief_description>
diff --git a/doc/classes/Texture3D.xml b/doc/classes/Texture3D.xml
index 691d1f229e..895ba26c9c 100644
--- a/doc/classes/Texture3D.xml
+++ b/doc/classes/Texture3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Texture3D" inherits="TextureLayered" category="Core" version="3.1">
+<class name="Texture3D" inherits="TextureLayered" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/TextureArray.xml b/doc/classes/TextureArray.xml
index a08d8421f1..7f851ae68e 100644
--- a/doc/classes/TextureArray.xml
+++ b/doc/classes/TextureArray.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextureArray" inherits="TextureLayered" category="Core" version="3.1">
+<class name="TextureArray" inherits="TextureLayered" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/TextureButton.xml b/doc/classes/TextureButton.xml
index b25c69c680..6d17574b0e 100644
--- a/doc/classes/TextureButton.xml
+++ b/doc/classes/TextureButton.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextureButton" inherits="BaseButton" category="Core" version="3.1">
+<class name="TextureButton" inherits="BaseButton" category="Core" version="3.2">
 	<brief_description>
 		Texture-based button. Supports Pressed, Hover, Disabled and Focused states.
 	</brief_description>
 	<description>
-		[code]TextureButton[/code] has the same functionality as [Button], except it uses sprites instead of Godot's [Theme] resource. It is faster to create, but it doesn't support localization like more complex Controls.
+		[TextureButton] has the same functionality as [Button], except it uses sprites instead of Godot's [Theme] resource. It is faster to create, but it doesn't support localization like more complex Controls.
 		The Normal state's texture is required. Others are optional.
 	</description>
 	<tutorials>
diff --git a/doc/classes/TextureLayered.xml b/doc/classes/TextureLayered.xml
index 026144cf5a..b4cfc19414 100644
--- a/doc/classes/TextureLayered.xml
+++ b/doc/classes/TextureLayered.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextureLayered" inherits="Resource" category="Core" version="3.1">
+<class name="TextureLayered" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/TextureProgress.xml b/doc/classes/TextureProgress.xml
index a98a2e9f74..2230f472f1 100644
--- a/doc/classes/TextureProgress.xml
+++ b/doc/classes/TextureProgress.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextureProgress" inherits="Range" category="Core" version="3.1">
+<class name="TextureProgress" inherits="Range" category="Core" version="3.2">
 	<brief_description>
 		Texture-based progress bar. Useful for loading screens and life or stamina bars.
 	</brief_description>
diff --git a/doc/classes/TextureRect.xml b/doc/classes/TextureRect.xml
index 78065afcc9..13fd762908 100644
--- a/doc/classes/TextureRect.xml
+++ b/doc/classes/TextureRect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TextureRect" inherits="Control" category="Core" version="3.1">
+<class name="TextureRect" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Control for drawing textures.
 	</brief_description>
diff --git a/doc/classes/Theme.xml b/doc/classes/Theme.xml
index bffd8ea6d9..9ebb9710d7 100644
--- a/doc/classes/Theme.xml
+++ b/doc/classes/Theme.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Theme" inherits="Resource" category="Core" version="3.1">
+<class name="Theme" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Theme for controls.
 	</brief_description>
diff --git a/doc/classes/Thread.xml b/doc/classes/Thread.xml
index 48d075c7f5..d2aa1a3f03 100644
--- a/doc/classes/Thread.xml
+++ b/doc/classes/Thread.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Thread" inherits="Reference" category="Core" version="3.1">
+<class name="Thread" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		A unit of execution in a process.
 	</brief_description>
@@ -15,14 +15,14 @@
 			<return type="String">
 			</return>
 			<description>
-				Returns the current [code]Thread[/code]s id, uniquely identifying it among all threads.
+				Returns the current [Thread]s id, uniquely identifying it among all threads.
 			</description>
 		</method>
 		<method name="is_active" qualifiers="const">
 			<return type="bool">
 			</return>
 			<description>
-				Returns true if this [code]Thread[/code] is currently active. An active [code]Thread[/code] cannot start work on a new method but can be joined with [method wait_to_finish].
+				Returns true if this [Thread] is currently active. An active [Thread] cannot start work on a new method but can be joined with [method wait_to_finish].
 			</description>
 		</method>
 		<method name="start">
@@ -37,7 +37,7 @@
 			<argument index="3" name="priority" type="int" default="1">
 			</argument>
 			<description>
-				Starts a new [code]Thread[/code] that runs "method" on object "instance" with "userdata" passed as an argument. The "priority" of the [code]Thread[/code] can be changed by passing a PRIORITY_* enum.
+				Starts a new [Thread] that runs "method" on object "instance" with "userdata" passed as an argument. The "priority" of the [Thread] can be changed by passing a PRIORITY_* enum.
 				Returns OK on success, or ERR_CANT_CREATE on failure.
 			</description>
 		</method>
@@ -45,7 +45,7 @@
 			<return type="Variant">
 			</return>
 			<description>
-				Joins the [code]Thread[/code] and waits for it to finish. Returns what the method called returned.
+				Joins the [Thread] and waits for it to finish. Returns what the method called returned.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/TileMap.xml b/doc/classes/TileMap.xml
index fe3b2118a3..fe917acaae 100644
--- a/doc/classes/TileMap.xml
+++ b/doc/classes/TileMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TileMap" inherits="Node2D" category="Core" version="3.1">
+<class name="TileMap" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Node for 2D tile-based maps.
 	</brief_description>
@@ -323,6 +323,12 @@
 		<constant name="HALF_OFFSET_DISABLED" value="2" enum="HalfOffset">
 			Half offset disabled.
 		</constant>
+		<constant name="HALF_OFFSET_NEGATIVE_X" value="3" enum="HalfOffset">
+			Half offset on the X coordinate (negative).
+		</constant>
+		<constant name="HALF_OFFSET_NEGATIVE_Y" value="4" enum="HalfOffset">
+			Half offset on the Y coordinate (negative).
+		</constant>
 		<constant name="TILE_ORIGIN_TOP_LEFT" value="0" enum="TileOrigin">
 			Tile origin at its top-left corner.
 		</constant>
diff --git a/doc/classes/TileSet.xml b/doc/classes/TileSet.xml
index 4abe94f119..5445be518d 100644
--- a/doc/classes/TileSet.xml
+++ b/doc/classes/TileSet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TileSet" inherits="Resource" category="Core" version="3.1">
+<class name="TileSet" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Tile library for tilemaps.
 	</brief_description>
diff --git a/doc/classes/Timer.xml b/doc/classes/Timer.xml
index ae0a3ad148..aaffbc7360 100644
--- a/doc/classes/Timer.xml
+++ b/doc/classes/Timer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Timer" inherits="Node" category="Core" version="3.1">
+<class name="Timer" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		A countdown timer.
 	</brief_description>
diff --git a/doc/classes/ToolButton.xml b/doc/classes/ToolButton.xml
index b52e1d39dc..8769234ecd 100644
--- a/doc/classes/ToolButton.xml
+++ b/doc/classes/ToolButton.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ToolButton" inherits="Button" category="Core" version="3.1">
+<class name="ToolButton" inherits="Button" category="Core" version="3.2">
 	<brief_description>
 		Flat button helper class.
 	</brief_description>
 	<description>
-		This is a helper class to generate a flat [Button] (see [member Button.flat]), creating a [code]ToolButton[/code] is equivalent to:
+		This is a helper class to generate a flat [Button] (see [member Button.flat]), creating a [ToolButton] is equivalent to:
 		[codeblock]
 		var btn = Button.new()
 		btn.flat = true
diff --git a/doc/classes/TouchScreenButton.xml b/doc/classes/TouchScreenButton.xml
index 6cc688d3c5..008a3ac8e1 100644
--- a/doc/classes/TouchScreenButton.xml
+++ b/doc/classes/TouchScreenButton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TouchScreenButton" inherits="Node2D" category="Core" version="3.1">
+<class name="TouchScreenButton" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Button for touch screen devices.
 	</brief_description>
diff --git a/doc/classes/Transform.xml b/doc/classes/Transform.xml
index b3168ef129..e110fa7b40 100644
--- a/doc/classes/Transform.xml
+++ b/doc/classes/Transform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Transform" category="Built-In Types" version="3.1">
+<class name="Transform" category="Built-In Types" version="3.2">
 	<brief_description>
 		3D Transformation. 3x4 matrix.
 	</brief_description>
diff --git a/doc/classes/Transform2D.xml b/doc/classes/Transform2D.xml
index bf0a745aa8..e2d83e0ea6 100644
--- a/doc/classes/Transform2D.xml
+++ b/doc/classes/Transform2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Transform2D" category="Built-In Types" version="3.1">
+<class name="Transform2D" category="Built-In Types" version="3.2">
 	<brief_description>
 		2D Transformation. 3x2 matrix.
 	</brief_description>
diff --git a/doc/classes/Translation.xml b/doc/classes/Translation.xml
index b57f8f3556..4dc6196b2b 100644
--- a/doc/classes/Translation.xml
+++ b/doc/classes/Translation.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Translation" inherits="Resource" category="Core" version="3.1">
+<class name="Translation" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Language Translation.
 	</brief_description>
diff --git a/doc/classes/TranslationLoaderPO.xml b/doc/classes/TranslationLoaderPO.xml
index 58cf2f6572..0af0ee8cca 100644
--- a/doc/classes/TranslationLoaderPO.xml
+++ b/doc/classes/TranslationLoaderPO.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TranslationLoaderPO" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="TranslationLoaderPO" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/TranslationServer.xml b/doc/classes/TranslationServer.xml
index c2c400ccd5..c07a61b522 100644
--- a/doc/classes/TranslationServer.xml
+++ b/doc/classes/TranslationServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TranslationServer" inherits="Object" category="Core" version="3.1">
+<class name="TranslationServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Server that manages all translations.
 	</brief_description>
diff --git a/doc/classes/Tree.xml b/doc/classes/Tree.xml
index d4a11247dc..4659fe61b7 100644
--- a/doc/classes/Tree.xml
+++ b/doc/classes/Tree.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Tree" inherits="Control" category="Core" version="3.1">
+<class name="Tree" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Control to show a tree of items.
 	</brief_description>
diff --git a/doc/classes/TreeItem.xml b/doc/classes/TreeItem.xml
index 209e5a8bd0..8d70e426c8 100644
--- a/doc/classes/TreeItem.xml
+++ b/doc/classes/TreeItem.xml
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TreeItem" inherits="Object" category="Core" version="3.1">
+<class name="TreeItem" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Control for a single item inside a [Tree].
 	</brief_description>
 	<description>
-		Control for a single item inside a [Tree]. May have child [code]TreeItem[/code]s and be styled as well as contain buttons.
+		Control for a single item inside a [Tree]. May have child [TreeItem]s and be styled as well as contain buttons.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/TriangleMesh.xml b/doc/classes/TriangleMesh.xml
index 2bdc7b61f4..5dd77e2599 100644
--- a/doc/classes/TriangleMesh.xml
+++ b/doc/classes/TriangleMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="TriangleMesh" inherits="Reference" category="Core" version="3.1">
+<class name="TriangleMesh" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/Tween.xml b/doc/classes/Tween.xml
index f5f50a75b1..296f9eff6b 100644
--- a/doc/classes/Tween.xml
+++ b/doc/classes/Tween.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Tween" inherits="Node" category="Core" version="3.1">
+<class name="Tween" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Smoothly animates a node's properties over time.
 	</brief_description>
@@ -350,6 +350,11 @@
 		</member>
 	</members>
 	<signals>
+		<signal name="tween_all_completed">
+			<description>
+				Emitted when all processes in a tween end.
+			</description>
+		</signal>
 		<signal name="tween_completed">
 			<argument index="0" name="object" type="Object">
 			</argument>
diff --git a/doc/classes/UndoRedo.xml b/doc/classes/UndoRedo.xml
index 8d98bcfdb0..42f89f01d6 100644
--- a/doc/classes/UndoRedo.xml
+++ b/doc/classes/UndoRedo.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="UndoRedo" inherits="Object" category="Core" version="3.1">
+<class name="UndoRedo" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Helper to manage UndoRedo in the editor or custom tools.
 	</brief_description>
@@ -143,6 +143,12 @@
 				This is useful mostly to check if something changed from a saved version.
 			</description>
 		</method>
+		<method name="is_commiting_action" qualifiers="const">
+			<return type="bool">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="redo">
 			<return type="bool">
 			</return>
diff --git a/doc/classes/VBoxContainer.xml b/doc/classes/VBoxContainer.xml
index 43a7be74c3..4de182ce67 100644
--- a/doc/classes/VBoxContainer.xml
+++ b/doc/classes/VBoxContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VBoxContainer" inherits="BoxContainer" category="Core" version="3.1">
+<class name="VBoxContainer" inherits="BoxContainer" category="Core" version="3.2">
 	<brief_description>
 		Vertical box container.
 	</brief_description>
diff --git a/doc/classes/VScrollBar.xml b/doc/classes/VScrollBar.xml
index 5486140870..be58663210 100644
--- a/doc/classes/VScrollBar.xml
+++ b/doc/classes/VScrollBar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VScrollBar" inherits="ScrollBar" category="Core" version="3.1">
+<class name="VScrollBar" inherits="ScrollBar" category="Core" version="3.2">
 	<brief_description>
 		Vertical version of [ScrollBar], which goes from left (min) to right (max).
 	</brief_description>
diff --git a/doc/classes/VSeparator.xml b/doc/classes/VSeparator.xml
index 4890b2d930..ab8de9131d 100644
--- a/doc/classes/VSeparator.xml
+++ b/doc/classes/VSeparator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VSeparator" inherits="Separator" category="Core" version="3.1">
+<class name="VSeparator" inherits="Separator" category="Core" version="3.2">
 	<brief_description>
 		Vertical version of [Separator].
 	</brief_description>
diff --git a/doc/classes/VSlider.xml b/doc/classes/VSlider.xml
index 1dc1b795f7..477c618064 100644
--- a/doc/classes/VSlider.xml
+++ b/doc/classes/VSlider.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VSlider" inherits="Slider" category="Core" version="3.1">
+<class name="VSlider" inherits="Slider" category="Core" version="3.2">
 	<brief_description>
 		Vertical slider.
 	</brief_description>
diff --git a/doc/classes/VSplitContainer.xml b/doc/classes/VSplitContainer.xml
index 2203035db3..83b2dca23c 100644
--- a/doc/classes/VSplitContainer.xml
+++ b/doc/classes/VSplitContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VSplitContainer" inherits="SplitContainer" category="Core" version="3.1">
+<class name="VSplitContainer" inherits="SplitContainer" category="Core" version="3.2">
 	<brief_description>
 		Vertical split container.
 	</brief_description>
diff --git a/doc/classes/Variant.xml b/doc/classes/Variant.xml
index b2d21921a1..84aba3dabb 100644
--- a/doc/classes/Variant.xml
+++ b/doc/classes/Variant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Variant" category="Core" version="3.1">
+<class name="Variant" category="Core" version="3.2">
 	<brief_description>
 		The most important data type in Godot.
 	</brief_description>
diff --git a/doc/classes/Vector2.xml b/doc/classes/Vector2.xml
index 1770dec80d..f1fd0173fe 100644
--- a/doc/classes/Vector2.xml
+++ b/doc/classes/Vector2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Vector2" category="Built-In Types" version="3.1">
+<class name="Vector2" category="Built-In Types" version="3.2">
 	<brief_description>
 		Vector used for 2D math.
 	</brief_description>
diff --git a/doc/classes/Vector3.xml b/doc/classes/Vector3.xml
index 48856875e7..7b0d1c5a97 100644
--- a/doc/classes/Vector3.xml
+++ b/doc/classes/Vector3.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Vector3" category="Built-In Types" version="3.1">
+<class name="Vector3" category="Built-In Types" version="3.2">
 	<brief_description>
 		Vector class, which performs basic 3D vector math operations.
 	</brief_description>
diff --git a/doc/classes/VehicleBody.xml b/doc/classes/VehicleBody.xml
index 53a47ec7d6..184b8bd23e 100644
--- a/doc/classes/VehicleBody.xml
+++ b/doc/classes/VehicleBody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VehicleBody" inherits="RigidBody" category="Core" version="3.1">
+<class name="VehicleBody" inherits="RigidBody" category="Core" version="3.2">
 	<brief_description>
 		Physics body that simulates the behaviour of a car.
 	</brief_description>
diff --git a/doc/classes/VehicleWheel.xml b/doc/classes/VehicleWheel.xml
index f2c6f5f287..bf2df957ba 100644
--- a/doc/classes/VehicleWheel.xml
+++ b/doc/classes/VehicleWheel.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VehicleWheel" inherits="Spatial" category="Core" version="3.1">
+<class name="VehicleWheel" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Physics object that simulates the behaviour of a wheel.
 	</brief_description>
diff --git a/doc/classes/VideoPlayer.xml b/doc/classes/VideoPlayer.xml
index c4c129b0f6..07c753835c 100644
--- a/doc/classes/VideoPlayer.xml
+++ b/doc/classes/VideoPlayer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VideoPlayer" inherits="Control" category="Core" version="3.1">
+<class name="VideoPlayer" inherits="Control" category="Core" version="3.2">
 	<brief_description>
 		Control for playing video streams.
 	</brief_description>
diff --git a/doc/classes/VideoStream.xml b/doc/classes/VideoStream.xml
index 9f2655ed1b..8906763c8d 100644
--- a/doc/classes/VideoStream.xml
+++ b/doc/classes/VideoStream.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VideoStream" inherits="Resource" category="Core" version="3.1">
+<class name="VideoStream" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Base resource for video streams.
 	</brief_description>
diff --git a/doc/classes/Viewport.xml b/doc/classes/Viewport.xml
index 09891ca889..5ceeb80e52 100644
--- a/doc/classes/Viewport.xml
+++ b/doc/classes/Viewport.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="Viewport" inherits="Node" category="Core" version="3.1">
+<class name="Viewport" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Creates a sub-view into the screen.
 	</brief_description>
diff --git a/doc/classes/ViewportContainer.xml b/doc/classes/ViewportContainer.xml
index e022b8fa90..8a26de5ed7 100644
--- a/doc/classes/ViewportContainer.xml
+++ b/doc/classes/ViewportContainer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ViewportContainer" inherits="Container" category="Core" version="3.1">
+<class name="ViewportContainer" inherits="Container" category="Core" version="3.2">
 	<brief_description>
 		Control for holding [Viewport]s.
 	</brief_description>
diff --git a/doc/classes/ViewportTexture.xml b/doc/classes/ViewportTexture.xml
index 67f1e09c75..01832b18bf 100644
--- a/doc/classes/ViewportTexture.xml
+++ b/doc/classes/ViewportTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ViewportTexture" inherits="Texture" category="Core" version="3.1">
+<class name="ViewportTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		Texture which displays the content of a [Viewport].
 	</brief_description>
diff --git a/doc/classes/VisibilityEnabler.xml b/doc/classes/VisibilityEnabler.xml
index fc6ceac5de..a507c0be9a 100644
--- a/doc/classes/VisibilityEnabler.xml
+++ b/doc/classes/VisibilityEnabler.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisibilityEnabler" inherits="VisibilityNotifier" category="Core" version="3.1">
+<class name="VisibilityEnabler" inherits="VisibilityNotifier" category="Core" version="3.2">
 	<brief_description>
 		Enable certain nodes only when visible.
 	</brief_description>
diff --git a/doc/classes/VisibilityEnabler2D.xml b/doc/classes/VisibilityEnabler2D.xml
index 8d393fc138..177c70246e 100644
--- a/doc/classes/VisibilityEnabler2D.xml
+++ b/doc/classes/VisibilityEnabler2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisibilityEnabler2D" inherits="VisibilityNotifier2D" category="Core" version="3.1">
+<class name="VisibilityEnabler2D" inherits="VisibilityNotifier2D" category="Core" version="3.2">
 	<brief_description>
 		Enable certain nodes only when visible.
 	</brief_description>
diff --git a/doc/classes/VisibilityNotifier.xml b/doc/classes/VisibilityNotifier.xml
index 16329d1d0d..e30078d82f 100644
--- a/doc/classes/VisibilityNotifier.xml
+++ b/doc/classes/VisibilityNotifier.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisibilityNotifier" inherits="Spatial" category="Core" version="3.1">
+<class name="VisibilityNotifier" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Detects when the node is visible on screen.
 	</brief_description>
diff --git a/doc/classes/VisibilityNotifier2D.xml b/doc/classes/VisibilityNotifier2D.xml
index c60591cce6..5689ced4bf 100644
--- a/doc/classes/VisibilityNotifier2D.xml
+++ b/doc/classes/VisibilityNotifier2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisibilityNotifier2D" inherits="Node2D" category="Core" version="3.1">
+<class name="VisibilityNotifier2D" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Detects when the node is visible on screen.
 	</brief_description>
diff --git a/doc/classes/VisualInstance.xml b/doc/classes/VisualInstance.xml
index 30dedb06f4..486c05eff7 100644
--- a/doc/classes/VisualInstance.xml
+++ b/doc/classes/VisualInstance.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualInstance" inherits="Spatial" category="Core" version="3.1">
+<class name="VisualInstance" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualServer.xml b/doc/classes/VisualServer.xml
index 26a6bae48c..94a7786295 100644
--- a/doc/classes/VisualServer.xml
+++ b/doc/classes/VisualServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualServer" inherits="Object" category="Core" version="3.1">
+<class name="VisualServer" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 		Server for anything visible.
 	</brief_description>
diff --git a/doc/classes/VisualShader.xml b/doc/classes/VisualShader.xml
index ab00080fef..7240d7a4d0 100644
--- a/doc/classes/VisualShader.xml
+++ b/doc/classes/VisualShader.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShader" inherits="Shader" category="Core" version="3.1">
+<class name="VisualShader" inherits="Shader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNode.xml b/doc/classes/VisualShaderNode.xml
index ffcaf85eea..4175cb088a 100644
--- a/doc/classes/VisualShaderNode.xml
+++ b/doc/classes/VisualShaderNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNode" inherits="Resource" category="Core" version="3.1">
+<class name="VisualShaderNode" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeColorConstant.xml b/doc/classes/VisualShaderNodeColorConstant.xml
index f1079e0056..5f8005561c 100644
--- a/doc/classes/VisualShaderNodeColorConstant.xml
+++ b/doc/classes/VisualShaderNodeColorConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeColorConstant" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeColorConstant" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeColorOp.xml b/doc/classes/VisualShaderNodeColorOp.xml
index d23c674503..9b01bced8b 100644
--- a/doc/classes/VisualShaderNodeColorOp.xml
+++ b/doc/classes/VisualShaderNodeColorOp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeColorOp" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeColorOp" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeColorUniform.xml b/doc/classes/VisualShaderNodeColorUniform.xml
index 0b97c104a2..0a8d3a0449 100644
--- a/doc/classes/VisualShaderNodeColorUniform.xml
+++ b/doc/classes/VisualShaderNodeColorUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeColorUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.1">
+<class name="VisualShaderNodeColorUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeCubeMap.xml b/doc/classes/VisualShaderNodeCubeMap.xml
index 9c56a23b7f..8427d012f1 100644
--- a/doc/classes/VisualShaderNodeCubeMap.xml
+++ b/doc/classes/VisualShaderNodeCubeMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeCubeMap" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeCubeMap" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeCubeMapUniform.xml b/doc/classes/VisualShaderNodeCubeMapUniform.xml
index fc95e4ddd9..958c740082 100644
--- a/doc/classes/VisualShaderNodeCubeMapUniform.xml
+++ b/doc/classes/VisualShaderNodeCubeMapUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeCubeMapUniform" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeCubeMapUniform" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeDotProduct.xml b/doc/classes/VisualShaderNodeDotProduct.xml
index c82f4cec3b..8d6182bcd6 100644
--- a/doc/classes/VisualShaderNodeDotProduct.xml
+++ b/doc/classes/VisualShaderNodeDotProduct.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeDotProduct" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeDotProduct" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeInput.xml b/doc/classes/VisualShaderNodeInput.xml
index 29de7f81d1..1d82716086 100644
--- a/doc/classes/VisualShaderNodeInput.xml
+++ b/doc/classes/VisualShaderNodeInput.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeInput" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeInput" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeOutput.xml b/doc/classes/VisualShaderNodeOutput.xml
index 7b65c6fd5e..d2b80dc3b4 100644
--- a/doc/classes/VisualShaderNodeOutput.xml
+++ b/doc/classes/VisualShaderNodeOutput.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeOutput" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeOutput" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeScalarConstant.xml b/doc/classes/VisualShaderNodeScalarConstant.xml
index 424fb2b3bd..81103d3b96 100644
--- a/doc/classes/VisualShaderNodeScalarConstant.xml
+++ b/doc/classes/VisualShaderNodeScalarConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeScalarConstant" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeScalarConstant" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeScalarFunc.xml b/doc/classes/VisualShaderNodeScalarFunc.xml
index 7362ededce..67a5d3f5c4 100644
--- a/doc/classes/VisualShaderNodeScalarFunc.xml
+++ b/doc/classes/VisualShaderNodeScalarFunc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeScalarFunc" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeScalarFunc" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeScalarInterp.xml b/doc/classes/VisualShaderNodeScalarInterp.xml
index 8420b34dd3..96f664fb1c 100644
--- a/doc/classes/VisualShaderNodeScalarInterp.xml
+++ b/doc/classes/VisualShaderNodeScalarInterp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeScalarInterp" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeScalarInterp" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeScalarOp.xml b/doc/classes/VisualShaderNodeScalarOp.xml
index 0ab0a46d0a..34ec89f8be 100644
--- a/doc/classes/VisualShaderNodeScalarOp.xml
+++ b/doc/classes/VisualShaderNodeScalarOp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeScalarOp" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeScalarOp" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeScalarUniform.xml b/doc/classes/VisualShaderNodeScalarUniform.xml
index 352355b475..979574c6d8 100644
--- a/doc/classes/VisualShaderNodeScalarUniform.xml
+++ b/doc/classes/VisualShaderNodeScalarUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeScalarUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.1">
+<class name="VisualShaderNodeScalarUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTexture.xml b/doc/classes/VisualShaderNodeTexture.xml
index 18b2fc3b3f..30c193d03a 100644
--- a/doc/classes/VisualShaderNodeTexture.xml
+++ b/doc/classes/VisualShaderNodeTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTexture" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTexture" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTextureUniform.xml b/doc/classes/VisualShaderNodeTextureUniform.xml
index 1b5df52060..7000392261 100644
--- a/doc/classes/VisualShaderNodeTextureUniform.xml
+++ b/doc/classes/VisualShaderNodeTextureUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTextureUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.1">
+<class name="VisualShaderNodeTextureUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformCompose.xml b/doc/classes/VisualShaderNodeTransformCompose.xml
index e1bda001e3..f103df2442 100644
--- a/doc/classes/VisualShaderNodeTransformCompose.xml
+++ b/doc/classes/VisualShaderNodeTransformCompose.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformCompose" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformCompose" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformConstant.xml b/doc/classes/VisualShaderNodeTransformConstant.xml
index e86444563c..cf3ba87ccc 100644
--- a/doc/classes/VisualShaderNodeTransformConstant.xml
+++ b/doc/classes/VisualShaderNodeTransformConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformConstant" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformConstant" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformDecompose.xml b/doc/classes/VisualShaderNodeTransformDecompose.xml
index ee6d5c5d74..ba4cbd0510 100644
--- a/doc/classes/VisualShaderNodeTransformDecompose.xml
+++ b/doc/classes/VisualShaderNodeTransformDecompose.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformDecompose" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformDecompose" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformMult.xml b/doc/classes/VisualShaderNodeTransformMult.xml
index 31aa40db96..47026b400e 100644
--- a/doc/classes/VisualShaderNodeTransformMult.xml
+++ b/doc/classes/VisualShaderNodeTransformMult.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformMult" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformMult" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformUniform.xml b/doc/classes/VisualShaderNodeTransformUniform.xml
index 65b1088247..f4f81b9000 100644
--- a/doc/classes/VisualShaderNodeTransformUniform.xml
+++ b/doc/classes/VisualShaderNodeTransformUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformUniform" inherits="VisualShaderNodeUniform" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeTransformVecMult.xml b/doc/classes/VisualShaderNodeTransformVecMult.xml
index d3fb445717..358ce31258 100644
--- a/doc/classes/VisualShaderNodeTransformVecMult.xml
+++ b/doc/classes/VisualShaderNodeTransformVecMult.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeTransformVecMult" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeTransformVecMult" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeUniform.xml b/doc/classes/VisualShaderNodeUniform.xml
index 2c02afd0a7..c685148161 100644
--- a/doc/classes/VisualShaderNodeUniform.xml
+++ b/doc/classes/VisualShaderNodeUniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeUniform" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeUniform" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVec3Constant.xml b/doc/classes/VisualShaderNodeVec3Constant.xml
index 7492f56223..401e937b52 100644
--- a/doc/classes/VisualShaderNodeVec3Constant.xml
+++ b/doc/classes/VisualShaderNodeVec3Constant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVec3Constant" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVec3Constant" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVec3Uniform.xml b/doc/classes/VisualShaderNodeVec3Uniform.xml
index 79a21680fb..e7ca1f90fb 100644
--- a/doc/classes/VisualShaderNodeVec3Uniform.xml
+++ b/doc/classes/VisualShaderNodeVec3Uniform.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVec3Uniform" inherits="VisualShaderNodeUniform" category="Core" version="3.1">
+<class name="VisualShaderNodeVec3Uniform" inherits="VisualShaderNodeUniform" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorCompose.xml b/doc/classes/VisualShaderNodeVectorCompose.xml
index 39798a82d1..49a7caf5e3 100644
--- a/doc/classes/VisualShaderNodeVectorCompose.xml
+++ b/doc/classes/VisualShaderNodeVectorCompose.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorCompose" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorCompose" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorDecompose.xml b/doc/classes/VisualShaderNodeVectorDecompose.xml
index 8df12d8ba9..f498f95ad0 100644
--- a/doc/classes/VisualShaderNodeVectorDecompose.xml
+++ b/doc/classes/VisualShaderNodeVectorDecompose.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorDecompose" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorDecompose" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorFunc.xml b/doc/classes/VisualShaderNodeVectorFunc.xml
index 850b089645..968d73d4e1 100644
--- a/doc/classes/VisualShaderNodeVectorFunc.xml
+++ b/doc/classes/VisualShaderNodeVectorFunc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorFunc" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorFunc" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorInterp.xml b/doc/classes/VisualShaderNodeVectorInterp.xml
index 909cd7eacc..89c441f1f9 100644
--- a/doc/classes/VisualShaderNodeVectorInterp.xml
+++ b/doc/classes/VisualShaderNodeVectorInterp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorInterp" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorInterp" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorLen.xml b/doc/classes/VisualShaderNodeVectorLen.xml
index ad87d0bd0a..8e3ad6757a 100644
--- a/doc/classes/VisualShaderNodeVectorLen.xml
+++ b/doc/classes/VisualShaderNodeVectorLen.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorLen" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorLen" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/VisualShaderNodeVectorOp.xml b/doc/classes/VisualShaderNodeVectorOp.xml
index 3e20168f15..16c1f8f25d 100644
--- a/doc/classes/VisualShaderNodeVectorOp.xml
+++ b/doc/classes/VisualShaderNodeVectorOp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualShaderNodeVectorOp" inherits="VisualShaderNode" category="Core" version="3.1">
+<class name="VisualShaderNodeVectorOp" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/doc/classes/WeakRef.xml b/doc/classes/WeakRef.xml
index 4a0f3588c2..4b8f3de45b 100644
--- a/doc/classes/WeakRef.xml
+++ b/doc/classes/WeakRef.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WeakRef" inherits="Reference" category="Core" version="3.1">
+<class name="WeakRef" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Holds an [Object], but does not contribute to the reference count if the object is a reference.
 	</brief_description>
diff --git a/doc/classes/WindowDialog.xml b/doc/classes/WindowDialog.xml
index 51931444fc..aac5b975ba 100644
--- a/doc/classes/WindowDialog.xml
+++ b/doc/classes/WindowDialog.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WindowDialog" inherits="Popup" category="Core" version="3.1">
+<class name="WindowDialog" inherits="Popup" category="Core" version="3.2">
 	<brief_description>
 		Base class for window dialogs.
 	</brief_description>
diff --git a/doc/classes/World.xml b/doc/classes/World.xml
index 4e954acd48..de5d290dea 100644
--- a/doc/classes/World.xml
+++ b/doc/classes/World.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="World" inherits="Resource" category="Core" version="3.1">
+<class name="World" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Class that has everything pertaining to a world.
 	</brief_description>
diff --git a/doc/classes/World2D.xml b/doc/classes/World2D.xml
index 9c3d66dade..6bc33fd7da 100644
--- a/doc/classes/World2D.xml
+++ b/doc/classes/World2D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="World2D" inherits="Resource" category="Core" version="3.1">
+<class name="World2D" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Class that has everything pertaining to a 2D world.
 	</brief_description>
diff --git a/doc/classes/WorldEnvironment.xml b/doc/classes/WorldEnvironment.xml
index 8c212502d6..845a6bc936 100644
--- a/doc/classes/WorldEnvironment.xml
+++ b/doc/classes/WorldEnvironment.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WorldEnvironment" inherits="Node" category="Core" version="3.1">
+<class name="WorldEnvironment" inherits="Node" category="Core" version="3.2">
 	<brief_description>
 		Default environment properties for the entire scene (post-processing effects, lighting and background settings).
 	</brief_description>
 	<description>
-		The [code]WorldEnvironment[/code] node is used to configure the default [Environment] for the scene.
-		The parameters defined in the [code]WorldEnvironment[/code] can be overridden by an [Environment] node set on the current [Camera]. Additionally, only one [code]WorldEnvironment[/code] may be instanced in a given scene at a time.
-		The [code]WorldEnvironment[/code] allows the user to specify default lighting parameters (e.g. ambient lighting), various post-processing effects (e.g. SSAO, DOF, Tonemapping), and how to draw the background (e.g. solid color, skybox). Usually, these are added in order to improve the realism/color balance of the scene.
+		The [WorldEnvironment] node is used to configure the default [Environment] for the scene.
+		The parameters defined in the [WorldEnvironment] can be overridden by an [Environment] node set on the current [Camera]. Additionally, only one [WorldEnvironment] may be instanced in a given scene at a time.
+		The [WorldEnvironment] allows the user to specify default lighting parameters (e.g. ambient lighting), various post-processing effects (e.g. SSAO, DOF, Tonemapping), and how to draw the background (e.g. solid color, skybox). Usually, these are added in order to improve the realism/color balance of the scene.
 	</description>
 	<tutorials>
 		<link>https://docs.godotengine.org/en/latest/tutorials/3d/environment_and_post_processing.html</link>
@@ -17,7 +17,7 @@
 	</methods>
 	<members>
 		<member name="environment" type="Environment" setter="set_environment" getter="get_environment">
-			The [Environment] resource used by this [code]WorldEnvironment[/code], defining the default properties.
+			The [Environment] resource used by this [WorldEnvironment], defining the default properties.
 		</member>
 	</members>
 	<constants>
diff --git a/doc/classes/XMLParser.xml b/doc/classes/XMLParser.xml
index fb03ab1692..8882f5cc6e 100644
--- a/doc/classes/XMLParser.xml
+++ b/doc/classes/XMLParser.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="XMLParser" inherits="Reference" category="Core" version="3.1">
+<class name="XMLParser" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Low-level class for creating parsers for XML files.
 	</brief_description>
diff --git a/doc/classes/YSort.xml b/doc/classes/YSort.xml
index e9233ff079..7eb87f38c2 100644
--- a/doc/classes/YSort.xml
+++ b/doc/classes/YSort.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="YSort" inherits="Node2D" category="Core" version="3.1">
+<class name="YSort" inherits="Node2D" category="Core" version="3.2">
 	<brief_description>
 		Sort all child nodes based on their Y positions.
 	</brief_description>
 	<description>
 		Sort all child nodes based on their Y positions. The child node must inherit from [CanvasItem] for it to be sorted. Nodes that have a higher Y position will be drawn later, so they will appear on top of nodes that have a lower Y position.
+		Nesting of YSort nodes is possible. Children YSort nodes will be sorted in the same space as the parent YSort, allowing to better organize a scene or divide it in multiple ones, yet keep the unique sorting.
 	</description>
 	<tutorials>
 	</tutorials>
diff --git a/doc/classes/bool.xml b/doc/classes/bool.xml
index 0fec8eb530..6f4c4771cd 100644
--- a/doc/classes/bool.xml
+++ b/doc/classes/bool.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="bool" category="Built-In Types" version="3.1">
+<class name="bool" category="Built-In Types" version="3.2">
 	<brief_description>
 		Boolean built-in type
 	</brief_description>
diff --git a/doc/classes/float.xml b/doc/classes/float.xml
index 7297f5bf94..48d27f54b1 100644
--- a/doc/classes/float.xml
+++ b/doc/classes/float.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="float" category="Built-In Types" version="3.1">
+<class name="float" category="Built-In Types" version="3.2">
 	<brief_description>
 		Float built-in type
 	</brief_description>
diff --git a/doc/classes/int.xml b/doc/classes/int.xml
index 7175b9fd88..ed62eacf8d 100644
--- a/doc/classes/int.xml
+++ b/doc/classes/int.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="int" category="Built-In Types" version="3.1">
+<class name="int" category="Built-In Types" version="3.2">
 	<brief_description>
 		Integer built-in type.
 	</brief_description>
 	<description>
 		Signed 64-bit integer type.
 		It can take values in the interval [code][-2^63, 2^63 - 1][/code], i.e. [code][-9223372036854775808, 9223372036854775807][/code]. Exceeding those bounds will wrap around.
-		[code]int[/code] is a [Variant] type, and will thus be used when assigning an integer value to a [Variant]. It can also be enforced with the [code]: int[/code] type hint.
+		[int] is a [Variant] type, and will thus be used when assigning an integer value to a [Variant]. It can also be enforced with the [code]: int[/code] type hint.
 		[codeblock]
 		var my_variant = 0    # int, value 0
 		my_variant += 4.2     # float, value 4.2
diff --git a/doc/tools/makerst.py b/doc/tools/makerst.py
index 4b5785f604..dc6d270c08 100755
--- a/doc/tools/makerst.py
+++ b/doc/tools/makerst.py
@@ -702,7 +702,11 @@ def rstize_text(text, state):  # type: (str, State) -> str
         escape_post = False
 
         if tag_text in state.classes:
-            tag_text = make_type(tag_text, state)
+            if tag_text == state.current_class:
+                # We don't want references to the same class
+                tag_text = '``{}``'.format(tag_text)
+            else:
+                tag_text = make_type(tag_text, state)
             escape_post = True
         else:  # command
             cmd = tag_text
@@ -757,14 +761,25 @@ def rstize_text(text, state):  # type: (str, State) -> str
 
                     elif cmd.startswith("constant"):
                         found = False
-                        if method_param in class_def.constants:
-                            found = True
 
-                        else:
-                            for enum in class_def.enums.values():
-                                if method_param in enum.values:
-                                    found = True
-                                    break
+                        # Search in the current class
+                        search_class_defs = [class_def]
+
+                        if param.find('.') == -1:
+                            # Also search in @GlobalScope as a last resort if no class was specified
+                            search_class_defs.append(state.classes["@GlobalScope"])
+
+                        for search_class_def in search_class_defs:
+                            if method_param in search_class_def.constants:
+                                class_param = search_class_def.name
+                                found = True
+
+                            else:
+                                for enum in search_class_def.enums.values():
+                                    if method_param in enum.values:
+                                        class_param = search_class_def.name
+                                        found = True
+                                        break
 
                         if not found:
                             print_error("Unresolved constant '{}', file: {}".format(param, state.current_class), state)
@@ -917,6 +932,9 @@ def make_enum(t, state):  # type: (str, State) -> str
         if c in state.classes and e not in state.classes[c].enums:
             c = "@GlobalScope"
 
+    if not c in state.classes and c.startswith("_"):
+        c = c[1:] # Remove the underscore prefix
+
     if c in state.classes and e in state.classes[c].enums:
         return ":ref:`{0}<enum_{1}_{0}>`".format(e, c)
     print_error("Unresolved enum '{}', file: {}".format(t, state.current_class), state)
@@ -954,7 +972,7 @@ def make_method_signature(class_def, method_def, make_ref, state):  # type: (Cla
         if len(method_def.parameters) > 0:
             out += ', ...'
         else:
-            out += '...'
+            out += ' ...'
 
     out += ' **)**'
 
diff --git a/drivers/gl_context/context_gl.h b/drivers/gl_context/context_gl.h
index 13141d795c..890683b7c5 100644
--- a/drivers/gl_context/context_gl.h
+++ b/drivers/gl_context/context_gl.h
@@ -58,7 +58,7 @@ public:
 	virtual bool is_using_vsync() const = 0;
 
 	ContextGL();
-	~ContextGL();
+	virtual ~ContextGL();
 };
 
 #endif
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp
index 3671679b49..9eb159cb31 100644
--- a/drivers/gles2/rasterizer_canvas_gles2.cpp
+++ b/drivers/gles2/rasterizer_canvas_gles2.cpp
@@ -288,14 +288,14 @@ void RasterizerCanvasGLES2::_draw_polygon(const int *p_indices, int p_index_coun
 	} else {
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Color) * p_vertex_count, p_colors);
 		glEnableVertexAttribArray(VS::ARRAY_COLOR);
-		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Color) * p_vertex_count;
 	}
 
 	if (p_uvs) {
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_uvs);
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Vector2) * p_vertex_count;
 	} else {
 		glDisableVertexAttribArray(VS::ARRAY_TEX_UV);
@@ -304,12 +304,12 @@ void RasterizerCanvasGLES2::_draw_polygon(const int *p_indices, int p_index_coun
 	if (p_weights && p_bones) {
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(float) * 4 * p_vertex_count, p_weights);
 		glEnableVertexAttribArray(VS::ARRAY_WEIGHTS);
-		glVertexAttribPointer(VS::ARRAY_WEIGHTS, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4, ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_WEIGHTS, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(float) * 4 * p_vertex_count;
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(int) * 4 * p_vertex_count, p_bones);
 		glEnableVertexAttribArray(VS::ARRAY_BONES);
-		glVertexAttribPointer(VS::ARRAY_BONES, 4, GL_UNSIGNED_INT, GL_FALSE, sizeof(int) * 4, ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_BONES, 4, GL_UNSIGNED_INT, GL_FALSE, sizeof(int) * 4, CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(int) * 4 * p_vertex_count;
 
 	} else {
@@ -342,7 +342,7 @@ void RasterizerCanvasGLES2::_draw_generic(GLuint p_primitive, int p_vertex_count
 
 	glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(Vector2) * p_vertex_count, p_vertices);
 	glEnableVertexAttribArray(VS::ARRAY_VERTEX);
-	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), (uint8_t *)0);
+	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), NULL);
 	buffer_ofs += sizeof(Vector2) * p_vertex_count;
 
 	if (p_singlecolor) {
@@ -355,14 +355,14 @@ void RasterizerCanvasGLES2::_draw_generic(GLuint p_primitive, int p_vertex_count
 	} else {
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Color) * p_vertex_count, p_colors);
 		glEnableVertexAttribArray(VS::ARRAY_COLOR);
-		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Color) * p_vertex_count;
 	}
 
 	if (p_uvs) {
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_uvs);
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 	} else {
 		glDisableVertexAttribArray(VS::ARRAY_TEX_UV);
 	}
@@ -419,12 +419,12 @@ void RasterizerCanvasGLES2::_draw_gui_primitive(int p_points, const Vector2 *p_v
 	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, stride * sizeof(float), NULL);
 
 	if (p_colors) {
-		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, stride * sizeof(float), (uint8_t *)0 + color_offset * sizeof(float));
+		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, stride * sizeof(float), CAST_INT_TO_UCHAR_PTR(color_offset * sizeof(float)));
 		glEnableVertexAttribArray(VS::ARRAY_COLOR);
 	}
 
 	if (p_uvs) {
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, stride * sizeof(float), (uint8_t *)0 + uv_offset * sizeof(float));
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, stride * sizeof(float), CAST_INT_TO_UCHAR_PTR(uv_offset * sizeof(float)));
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 	}
 
@@ -840,7 +840,7 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur
 				glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 
 				glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), NULL);
-				glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (uint8_t *)0 + (sizeof(float) * 2));
+				glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), CAST_INT_TO_UCHAR_PTR((sizeof(float) * 2)));
 
 				glDrawElements(GL_TRIANGLES, 18 * 3 - (np->draw_center ? 0 : 6), GL_UNSIGNED_BYTE, NULL);
 
@@ -932,7 +932,7 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur
 						for (int k = 0; k < VS::ARRAY_MAX - 1; k++) {
 							if (s->attribs[k].enabled) {
 								glEnableVertexAttribArray(k);
-								glVertexAttribPointer(s->attribs[k].index, s->attribs[k].size, s->attribs[k].type, s->attribs[k].normalized, s->attribs[k].stride, (uint8_t *)0 + s->attribs[k].offset);
+								glVertexAttribPointer(s->attribs[k].index, s->attribs[k].size, s->attribs[k].type, s->attribs[k].normalized, s->attribs[k].stride, CAST_INT_TO_UCHAR_PTR(s->attribs[k].offset));
 							} else {
 								glDisableVertexAttribArray(k);
 								switch (k) {
@@ -1021,7 +1021,7 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur
 					for (int k = 0; k < VS::ARRAY_MAX - 1; k++) {
 						if (s->attribs[k].enabled) {
 							glEnableVertexAttribArray(k);
-							glVertexAttribPointer(s->attribs[k].index, s->attribs[k].size, s->attribs[k].type, s->attribs[k].normalized, s->attribs[k].stride, (uint8_t *)0 + s->attribs[k].offset);
+							glVertexAttribPointer(s->attribs[k].index, s->attribs[k].size, s->attribs[k].type, s->attribs[k].normalized, s->attribs[k].stride, CAST_INT_TO_UCHAR_PTR(s->attribs[k].offset));
 						} else {
 							glDisableVertexAttribArray(k);
 							switch (k) {
diff --git a/drivers/gles2/rasterizer_scene_gles2.cpp b/drivers/gles2/rasterizer_scene_gles2.cpp
index 5e006b7527..3c8822175d 100644
--- a/drivers/gles2/rasterizer_scene_gles2.cpp
+++ b/drivers/gles2/rasterizer_scene_gles2.cpp
@@ -635,7 +635,7 @@ bool RasterizerSceneGLES2::reflection_probe_instance_postprocess_step(RID p_inst
 	for (int i = 0; i < 6; i++) {
 		glBindFramebuffer(GL_FRAMEBUFFER, rpi->fbo[i]);
 		glViewport(0, 0, size, size);
-		glCopyTexImage2D(_cube_side_enum[i], 0, GL_RGB, 0, 0, size, size, 0);
+		glCopyTexSubImage2D(_cube_side_enum[i], 0, 0, 0, 0, 0, size, size);
 	}
 	//do filtering
 	//vdc cache
@@ -672,7 +672,7 @@ bool RasterizerSceneGLES2::reflection_probe_instance_postprocess_step(RID p_inst
 			storage->shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES2::Z_FLIP, false);
 
 			glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-			glCopyTexImage2D(_cube_side_enum[i], lod, GL_RGB, 0, 0, size, size, 0);
+			glCopyTexSubImage2D(_cube_side_enum[i], lod, 0, 0, 0, 0, size, size);
 		}
 
 		size >>= 1;
@@ -1358,7 +1358,7 @@ void RasterizerSceneGLES2::_setup_geometry(RenderList::Element *p_element, Raste
 			for (int i = 0; i < VS::ARRAY_MAX - 1; i++) {
 				if (s->attribs[i].enabled) {
 					glEnableVertexAttribArray(i);
-					glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, (uint8_t *)0 + s->attribs[i].offset);
+					glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, CAST_INT_TO_UCHAR_PTR(s->attribs[i].offset));
 				} else {
 					glDisableVertexAttribArray(i);
 					switch (i) {
@@ -1519,7 +1519,7 @@ void RasterizerSceneGLES2::_setup_geometry(RenderList::Element *p_element, Raste
 			for (int i = 0; i < VS::ARRAY_MAX - 1; i++) {
 				if (s->attribs[i].enabled) {
 					glEnableVertexAttribArray(i);
-					glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, (uint8_t *)0 + s->attribs[i].offset);
+					glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, CAST_INT_TO_UCHAR_PTR(s->attribs[i].offset));
 				} else {
 					glDisableVertexAttribArray(i);
 					switch (i) {
@@ -1566,8 +1566,10 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 
 			if (s->index_array_len > 0) {
 				glDrawElements(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0);
+				storage->info.render.vertices_count += s->index_array_len;
 			} else {
 				glDrawArrays(gl_primitive[s->primitive], 0, s->array_len);
+				storage->info.render.vertices_count += s->array_len;
 			}
 			/*
 			if (p_element->instance->skeleton.is_valid() && s->attribs[VS::ARRAY_BONES].enabled && s->attribs[VS::ARRAY_WEIGHTS].enabled) {
@@ -1637,8 +1639,10 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 
 				if (s->index_array_len > 0) {
 					glDrawElements(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0);
+					storage->info.render.vertices_count += s->index_array_len;
 				} else {
 					glDrawArrays(gl_primitive[s->primitive], 0, s->array_len);
+					storage->info.render.vertices_count += s->array_len;
 				}
 			}
 
@@ -1698,7 +1702,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 				if (!c.normals.empty()) {
 					glEnableVertexAttribArray(VS::ARRAY_NORMAL);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector3) * vertices, c.normals.ptr());
-					glVertexAttribPointer(VS::ARRAY_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector3) * vertices;
 				} else {
 					glDisableVertexAttribArray(VS::ARRAY_NORMAL);
@@ -1707,7 +1711,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 				if (!c.tangents.empty()) {
 					glEnableVertexAttribArray(VS::ARRAY_TANGENT);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Plane) * vertices, c.tangents.ptr());
-					glVertexAttribPointer(VS::ARRAY_TANGENT, 4, GL_FLOAT, GL_FALSE, sizeof(Plane), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TANGENT, 4, GL_FLOAT, GL_FALSE, sizeof(Plane), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Plane) * vertices;
 				} else {
 					glDisableVertexAttribArray(VS::ARRAY_TANGENT);
@@ -1716,7 +1720,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 				if (!c.colors.empty()) {
 					glEnableVertexAttribArray(VS::ARRAY_COLOR);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Color) * vertices, c.colors.ptr());
-					glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Color) * vertices;
 				} else {
 					glDisableVertexAttribArray(VS::ARRAY_COLOR);
@@ -1725,7 +1729,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 				if (!c.uvs.empty()) {
 					glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector2) * vertices, c.uvs.ptr());
-					glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector2) * vertices;
 				} else {
 					glDisableVertexAttribArray(VS::ARRAY_TEX_UV);
@@ -1734,7 +1738,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 				if (!c.uv2s.empty()) {
 					glEnableVertexAttribArray(VS::ARRAY_TEX_UV2);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector2) * vertices, c.uv2s.ptr());
-					glVertexAttribPointer(VS::ARRAY_TEX_UV2, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TEX_UV2, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector2) * vertices;
 				} else {
 					glDisableVertexAttribArray(VS::ARRAY_TEX_UV2);
@@ -1742,7 +1746,7 @@ void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) {
 
 				glEnableVertexAttribArray(VS::ARRAY_VERTEX);
 				glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector3) * vertices, c.vertices.ptr());
-				glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3), ((uint8_t *)NULL) + buf_ofs);
+				glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 
 				glDrawArrays(gl_primitive[c.primitive], 0, c.vertices.size());
 			}
@@ -2182,6 +2186,8 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements,
 	float lightmap_energy = 1.0;
 	bool prev_use_lightmap_capture = false;
 
+	storage->info.render.draw_call_count += p_element_count;
+
 	for (int i = 0; i < p_element_count; i++) {
 		RenderList::Element *e = p_elements[i];
 
@@ -2389,11 +2395,17 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements,
 
 		if (e->owner != prev_owner || e->geometry != prev_geometry || skeleton != prev_skeleton) {
 			_setup_geometry(e, skeleton);
+			storage->info.render.surface_switch_count++;
 		}
 
 		bool shader_rebind = false;
 		if (rebind || material != prev_material) {
+
+			storage->info.render.material_switch_count++;
 			shader_rebind = _setup_material(material, p_reverse_cull, p_alpha_pass, Size2i(skeleton ? skeleton->size * 3 : 0, 0));
+			if (shader_rebind) {
+				storage->info.render.shader_rebind_count++;
+			}
 		}
 
 		if (i == 0 || shader_rebind) { //first time must rebind
@@ -2598,7 +2610,7 @@ void RasterizerSceneGLES2::_draw_sky(RasterizerStorageGLES2::Sky *p_sky, const C
 
 	// bind sky vertex array....
 	glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, 0);
-	glVertexAttribPointer(VS::ARRAY_TEX_UV, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, ((uint8_t *)NULL) + sizeof(Vector3));
+	glVertexAttribPointer(VS::ARRAY_TEX_UV, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, CAST_INT_TO_UCHAR_PTR(sizeof(Vector3)));
 	glEnableVertexAttribArray(VS::ARRAY_VERTEX);
 	glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 
@@ -2637,6 +2649,8 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const
 
 	Transform cam_transform = p_cam_transform;
 
+	storage->info.render.object_count += p_cull_count;
+
 	GLuint current_fb = 0;
 	Environment *env = NULL;
 
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index 11ab8438df..01d5e35e56 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -84,7 +84,7 @@ GLuint RasterizerStorageGLES2::system_fbo = 0;
 void RasterizerStorageGLES2::bind_quad_array() const {
 	glBindBuffer(GL_ARRAY_BUFFER, resources.quadie);
 	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, 0);
-	glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, ((uint8_t *)NULL) + 8);
+	glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(8));
 
 	glEnableVertexAttribArray(VS::ARRAY_VERTEX);
 	glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
@@ -120,9 +120,13 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
 
 		} break;
 		case Image::FORMAT_RG8: {
-
-			ERR_EXPLAIN("RG texture not supported");
-			ERR_FAIL_V(image);
+			ERR_PRINT("RG texture not supported, converting to RGB8.");
+			if (image.is_valid())
+				image->convert(Image::FORMAT_RGB8);
+			r_real_format = Image::FORMAT_RGB8;
+			r_gl_internal_format = GL_RGB;
+			r_gl_format = GL_RGB;
+			r_gl_type = GL_UNSIGNED_BYTE;
 
 		} break;
 		case Image::FORMAT_RGB8: {
@@ -155,42 +159,57 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
 		} break;
 		case Image::FORMAT_RF: {
 			if (!config.float_texture_supported) {
-				ERR_EXPLAIN("R float texture not supported");
-				ERR_FAIL_V(image);
+				ERR_PRINT("R float texture not supported, converting to RGB8.");
+				if (image.is_valid())
+					image->convert(Image::FORMAT_RGB8);
+				r_real_format = Image::FORMAT_RGB8;
+				r_gl_internal_format = GL_RGB;
+				r_gl_format = GL_RGB;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			} else {
+				r_gl_internal_format = GL_ALPHA;
+				r_gl_format = GL_ALPHA;
+				r_gl_type = GL_FLOAT;
 			}
-
-			r_gl_internal_format = GL_ALPHA;
-			r_gl_format = GL_ALPHA;
-			r_gl_type = GL_FLOAT;
 		} break;
 		case Image::FORMAT_RGF: {
-			ERR_EXPLAIN("RG float texture not supported");
-			ERR_FAIL_V(image);
-
+			ERR_PRINT("RG float texture not supported, converting to RGB8.");
+			if (image.is_valid())
+				image->convert(Image::FORMAT_RGB8);
+			r_real_format = Image::FORMAT_RGB8;
+			r_gl_internal_format = GL_RGB;
+			r_gl_format = GL_RGB;
+			r_gl_type = GL_UNSIGNED_BYTE;
 		} break;
 		case Image::FORMAT_RGBF: {
 			if (!config.float_texture_supported) {
-
-				ERR_EXPLAIN("RGB float texture not supported");
-				ERR_FAIL_V(image);
+				ERR_PRINT("RGB float texture not supported, converting to RGB8.");
+				if (image.is_valid())
+					image->convert(Image::FORMAT_RGB8);
+				r_real_format = Image::FORMAT_RGB8;
+				r_gl_internal_format = GL_RGB;
+				r_gl_format = GL_RGB;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			} else {
+				r_gl_internal_format = GL_RGB;
+				r_gl_format = GL_RGB;
+				r_gl_type = GL_FLOAT;
 			}
-
-			r_gl_internal_format = GL_RGB;
-			r_gl_format = GL_RGB;
-			r_gl_type = GL_FLOAT;
-
 		} break;
 		case Image::FORMAT_RGBAF: {
 			if (!config.float_texture_supported) {
-
-				ERR_EXPLAIN("RGBA float texture not supported");
-				ERR_FAIL_V(image);
+				ERR_PRINT("RGBA float texture not supported, converting to RGBA8.");
+				if (image.is_valid())
+					image->convert(Image::FORMAT_RGBA8);
+				r_real_format = Image::FORMAT_RGBA8;
+				r_gl_internal_format = GL_RGBA;
+				r_gl_format = GL_RGBA;
+				r_gl_type = GL_UNSIGNED_BYTE;
+			} else {
+				r_gl_internal_format = GL_RGBA;
+				r_gl_format = GL_RGBA;
+				r_gl_type = GL_FLOAT;
 			}
-
-			r_gl_internal_format = GL_RGBA;
-			r_gl_format = GL_RGBA;
-			r_gl_type = GL_FLOAT;
-
 		} break;
 		case Image::FORMAT_RH: {
 			need_decompress = true;
@@ -1137,7 +1156,7 @@ void RasterizerStorageGLES2::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
 	glGenTextures(1, &sky->radiance);
 	glBindTexture(GL_TEXTURE_CUBE_MAP, sky->radiance);
 
-	int size = p_radiance_size / 4; //divide by four because its a cubemap (this is an approximation because GLES3 uses a dual paraboloid)
+	int size = p_radiance_size / 2; //divide by two because its a cubemap (this is an approximation because GLES3 uses a dual paraboloid)
 
 	GLenum internal_format = GL_RGB;
 	GLenum format = GL_RGB;
@@ -1176,18 +1195,20 @@ void RasterizerStorageGLES2::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
 	int mipmaps = 6;
 	int lod = 0;
 	int mm_level = mipmaps;
-	size = p_radiance_size;
+	size = p_radiance_size / 2;
 	shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES2::USE_SOURCE_PANORAMA, true);
 	shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES2::USE_DIRECT_WRITE, true);
 	shaders.cubemap_filter.bind();
 
 	// third, render to the framebuffer using separate textures, then copy to mipmaps
 	while (size >= 1) {
+
 		//make framebuffer size the texture size, need to use a separate texture for compatibility
 		glActiveTexture(GL_TEXTURE3);
 		glBindTexture(GL_TEXTURE_2D, resources.mipmap_blur_color);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size, size, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
 		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, resources.mipmap_blur_color, 0);
+
 		if (lod == 1) {
 			//bind panorama for smaller lods
 
@@ -1213,7 +1234,7 @@ void RasterizerStorageGLES2::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
 
 			glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
-			glCopyTexImage2D(_cube_side_enum[i], lod, GL_RGB, 0, 0, size, size, 0);
+			glCopyTexSubImage2D(_cube_side_enum[i], lod, 0, 0, 0, 0, size, size);
 		}
 
 		size >>= 1;
@@ -4731,6 +4752,7 @@ void RasterizerStorageGLES2::render_target_set_flag(RID p_render_target, RenderT
 	rt->flags[p_flag] = p_value;
 
 	switch (p_flag) {
+		case RENDER_TARGET_TRANSPARENT:
 		case RENDER_TARGET_HDR:
 		case RENDER_TARGET_NO_3D:
 		case RENDER_TARGET_NO_SAMPLING:
@@ -5186,18 +5208,72 @@ void RasterizerStorageGLES2::set_debug_generate_wireframes(bool p_generate) {
 }
 
 void RasterizerStorageGLES2::render_info_begin_capture() {
+
+	info.snap = info.render;
 }
 
 void RasterizerStorageGLES2::render_info_end_capture() {
+
+	info.snap.object_count = info.render.object_count - info.snap.object_count;
+	info.snap.draw_call_count = info.render.draw_call_count - info.snap.draw_call_count;
+	info.snap.material_switch_count = info.render.material_switch_count - info.snap.material_switch_count;
+	info.snap.surface_switch_count = info.render.surface_switch_count - info.snap.surface_switch_count;
+	info.snap.shader_rebind_count = info.render.shader_rebind_count - info.snap.shader_rebind_count;
+	info.snap.vertices_count = info.render.vertices_count - info.snap.vertices_count;
 }
 
 int RasterizerStorageGLES2::get_captured_render_info(VS::RenderInfo p_info) {
 
-	return get_render_info(p_info);
+	switch (p_info) {
+		case VS::INFO_OBJECTS_IN_FRAME: {
+			return info.snap.object_count;
+		} break;
+		case VS::INFO_VERTICES_IN_FRAME: {
+			return info.snap.vertices_count;
+		} break;
+		case VS::INFO_MATERIAL_CHANGES_IN_FRAME: {
+			return info.snap.material_switch_count;
+		} break;
+		case VS::INFO_SHADER_CHANGES_IN_FRAME: {
+			return info.snap.shader_rebind_count;
+		} break;
+		case VS::INFO_SURFACE_CHANGES_IN_FRAME: {
+			return info.snap.surface_switch_count;
+		} break;
+		case VS::INFO_DRAW_CALLS_IN_FRAME: {
+			return info.snap.draw_call_count;
+		} break;
+		default: {
+			return get_render_info(p_info);
+		}
+	}
 }
 
 int RasterizerStorageGLES2::get_render_info(VS::RenderInfo p_info) {
-	return 0;
+	switch (p_info) {
+		case VS::INFO_OBJECTS_IN_FRAME:
+			return info.render_final.object_count;
+		case VS::INFO_VERTICES_IN_FRAME:
+			return info.render_final.vertices_count;
+		case VS::INFO_MATERIAL_CHANGES_IN_FRAME:
+			return info.render_final.material_switch_count;
+		case VS::INFO_SHADER_CHANGES_IN_FRAME:
+			return info.render_final.shader_rebind_count;
+		case VS::INFO_SURFACE_CHANGES_IN_FRAME:
+			return info.render_final.surface_switch_count;
+		case VS::INFO_DRAW_CALLS_IN_FRAME:
+			return info.render_final.draw_call_count;
+		case VS::INFO_USAGE_VIDEO_MEM_TOTAL:
+			return 0; //no idea
+		case VS::INFO_VIDEO_MEM_USED:
+			return info.vertex_mem + info.texture_mem;
+		case VS::INFO_TEXTURE_MEM_USED:
+			return info.texture_mem;
+		case VS::INFO_VERTEX_MEM_USED:
+			return info.vertex_mem;
+		default:
+			return 0; //no idea either
+	}
 }
 
 void RasterizerStorageGLES2::initialize() {
@@ -5466,7 +5542,9 @@ void RasterizerStorageGLES2::initialize() {
 #ifdef GLES_OVER_GL
 	//this needs to be enabled manually in OpenGL 2.1
 
-	glEnable(_EXT_TEXTURE_CUBE_MAP_SEAMLESS);
+	if (config.extensions.has("GL_ARB_seamless_cube_map")) {
+		glEnable(_EXT_TEXTURE_CUBE_MAP_SEAMLESS);
+	}
 	glEnable(GL_POINT_SPRITE);
 	glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
 #endif
diff --git a/drivers/gles2/rasterizer_storage_gles2.h b/drivers/gles2/rasterizer_storage_gles2.h
index 8f5565c96f..361f304a17 100644
--- a/drivers/gles2/rasterizer_storage_gles2.h
+++ b/drivers/gles2/rasterizer_storage_gles2.h
@@ -94,6 +94,7 @@ public:
 
 		GLuint depth_internalformat;
 		GLuint depth_type;
+
 	} config;
 
 	struct Resources {
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
index f72a0d288b..7ba2856216 100644
--- a/drivers/gles2/shaders/canvas.glsl
+++ b/drivers/gles2/shaders/canvas.glsl
@@ -220,29 +220,25 @@ VERTEX_SHADER_CODE
 /* clang-format off */
 [fragment]
 
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
 #ifndef USE_GLES_OVER_GL
-
 #ifdef GL_EXT_shader_texture_lod
 #extension GL_EXT_shader_texture_lod : enable
 #define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
 #define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
 #endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
 
 #ifdef GL_ARB_shader_texture_lod
 #extension GL_ARB_shader_texture_lod : enable
 #endif
 
-
 #if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
 #define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
 #define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
 #endif
 
-
-
-
 #ifdef USE_GLES_OVER_GL
 #define lowp
 #define mediump
diff --git a/drivers/gles2/shaders/cubemap_filter.glsl b/drivers/gles2/shaders/cubemap_filter.glsl
index a6902836ed..db3d8b3a1b 100644
--- a/drivers/gles2/shaders/cubemap_filter.glsl
+++ b/drivers/gles2/shaders/cubemap_filter.glsl
@@ -25,15 +25,15 @@ void main() {
 /* clang-format off */
 [fragment]
 
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
 #ifndef USE_GLES_OVER_GL
-
 #ifdef GL_EXT_shader_texture_lod
 #extension GL_EXT_shader_texture_lod : enable
 #define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
 #define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
 #endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
 
 #ifdef GL_ARB_shader_texture_lod
 #extension GL_ARB_shader_texture_lod : enable
@@ -44,8 +44,6 @@ void main() {
 #define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
 #endif
 
-
-
 #ifdef USE_GLES_OVER_GL
 #define lowp
 #define mediump
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl
index 3b0bca982d..5d21c679ba 100644
--- a/drivers/gles2/shaders/scene.glsl
+++ b/drivers/gles2/shaders/scene.glsl
@@ -675,15 +675,15 @@ VERTEX_SHADER_CODE
 /* clang-format off */
 [fragment]
 
+// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
+// Do not copy these defines in the vertex section.
 #ifndef USE_GLES_OVER_GL
-
 #ifdef GL_EXT_shader_texture_lod
 #extension GL_EXT_shader_texture_lod : enable
 #define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
 #define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
 #endif
-
-#endif
+#endif // !USE_GLES_OVER_GL
 
 #ifdef GL_ARB_shader_texture_lod
 #extension GL_ARB_shader_texture_lod : enable
@@ -694,9 +694,6 @@ VERTEX_SHADER_CODE
 #define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
 #endif
 
-
-
-
 #ifdef USE_GLES_OVER_GL
 #define lowp
 #define mediump
@@ -1469,6 +1466,9 @@ void main() {
 	float anisotropy = 0.0;
 	vec2 anisotropy_flow = vec2(1.0, 0.0);
 	float sss_strength = 0.0; //unused
+	// gl_FragDepth is not available in GLES2, so writing to DEPTH is not converted to gl_FragDepth by Godot compiler resulting in a
+	// compile error because DEPTH is not a variable.
+	float m_DEPTH = 0.0;
 
 	float alpha = 1.0;
 	float side = 1.0;
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp
index 4f4608dca0..ec8202d92c 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.cpp
+++ b/drivers/gles3/rasterizer_canvas_gles3.cpp
@@ -332,7 +332,7 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
 #endif
 	glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_vertices);
 	glEnableVertexAttribArray(VS::ARRAY_VERTEX);
-	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 	buffer_ofs += sizeof(Vector2) * p_vertex_count;
 	//color
 #ifdef DEBUG_ENABLED
@@ -350,7 +350,7 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Color) * p_vertex_count, p_colors);
 		glEnableVertexAttribArray(VS::ARRAY_COLOR);
-		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Color) * p_vertex_count;
 	}
 
@@ -362,7 +362,7 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_uvs);
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Vector2) * p_vertex_count;
 
 	} else {
@@ -378,12 +378,12 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(int) * 4 * p_vertex_count, p_bones);
 		glEnableVertexAttribArray(VS::ARRAY_BONES);
 		//glVertexAttribPointer(VS::ARRAY_BONES, 4, GL_UNSIGNED_INT, false, sizeof(int) * 4, ((uint8_t *)0) + buffer_ofs);
-		glVertexAttribIPointer(VS::ARRAY_BONES, 4, GL_UNSIGNED_INT, sizeof(int) * 4, ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribIPointer(VS::ARRAY_BONES, 4, GL_UNSIGNED_INT, sizeof(int) * 4, CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(int) * 4 * p_vertex_count;
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(float) * 4 * p_vertex_count, p_weights);
 		glEnableVertexAttribArray(VS::ARRAY_WEIGHTS);
-		glVertexAttribPointer(VS::ARRAY_WEIGHTS, 4, GL_FLOAT, false, sizeof(float) * 4, ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_WEIGHTS, 4, GL_FLOAT, false, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(float) * 4 * p_vertex_count;
 
 	} else if (state.using_skeleton) {
@@ -423,7 +423,7 @@ void RasterizerCanvasGLES3::_draw_generic(GLuint p_primitive, int p_vertex_count
 	//vertex
 	glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_vertices);
 	glEnableVertexAttribArray(VS::ARRAY_VERTEX);
-	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+	glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 	buffer_ofs += sizeof(Vector2) * p_vertex_count;
 	//color
 
@@ -438,7 +438,7 @@ void RasterizerCanvasGLES3::_draw_generic(GLuint p_primitive, int p_vertex_count
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Color) * p_vertex_count, p_colors);
 		glEnableVertexAttribArray(VS::ARRAY_COLOR);
-		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Color) * p_vertex_count;
 	}
 
@@ -446,7 +446,7 @@ void RasterizerCanvasGLES3::_draw_generic(GLuint p_primitive, int p_vertex_count
 
 		glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_uvs);
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)0) + buffer_ofs);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs));
 		buffer_ofs += sizeof(Vector2) * p_vertex_count;
 
 	} else {
@@ -834,6 +834,8 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 						// materials are ignored in 2D meshes, could be added but many things (ie, lighting mode, reading from screen, etc) would break as they are not meant be set up at this point of drawing
 						glBindVertexArray(s->array_id);
 
+						glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1);
+
 						if (s->index_array_len) {
 							glDrawElements(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0);
 						} else {
@@ -886,17 +888,17 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 
 					int stride = (multi_mesh->xform_floats + multi_mesh->color_floats + multi_mesh->custom_data_floats) * 4;
 					glEnableVertexAttribArray(8);
-					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(0));
 					glVertexAttribDivisor(8, 1);
 					glEnableVertexAttribArray(9);
-					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 4 * 4);
+					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(4 * 4));
 					glVertexAttribDivisor(9, 1);
 
 					int color_ofs;
 
 					if (multi_mesh->transform_format == VS::MULTIMESH_TRANSFORM_3D) {
 						glEnableVertexAttribArray(10);
-						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 8 * 4);
+						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(8 * 4));
 						glVertexAttribDivisor(10, 1);
 						color_ofs = 12 * 4;
 					} else {
@@ -915,14 +917,14 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 						} break;
 						case VS::MULTIMESH_COLOR_8BIT: {
 							glEnableVertexAttribArray(11);
-							glVertexAttribPointer(11, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, ((uint8_t *)NULL) + color_ofs);
+							glVertexAttribPointer(11, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
 							glVertexAttribDivisor(11, 1);
 							custom_data_ofs += 4;
 
 						} break;
 						case VS::MULTIMESH_COLOR_FLOAT: {
 							glEnableVertexAttribArray(11);
-							glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + color_ofs);
+							glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
 							glVertexAttribDivisor(11, 1);
 							custom_data_ofs += 4 * 4;
 						} break;
@@ -936,13 +938,13 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 						} break;
 						case VS::MULTIMESH_CUSTOM_DATA_8BIT: {
 							glEnableVertexAttribArray(12);
-							glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, ((uint8_t *)NULL) + custom_data_ofs);
+							glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
 							glVertexAttribDivisor(12, 1);
 
 						} break;
 						case VS::MULTIMESH_CUSTOM_DATA_FLOAT: {
 							glEnableVertexAttribArray(12);
-							glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + custom_data_ofs);
+							glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
 							glVertexAttribDivisor(12, 1);
 						} break;
 					}
@@ -1017,19 +1019,19 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 				if (particles->draw_order != VS::PARTICLES_DRAW_ORDER_LIFETIME) {
 
 					glEnableVertexAttribArray(8); //xform x
-					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 3);
+					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 3));
 					glVertexAttribDivisor(8, 1);
 					glEnableVertexAttribArray(9); //xform y
-					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 4);
+					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 4));
 					glVertexAttribDivisor(9, 1);
 					glEnableVertexAttribArray(10); //xform z
-					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 5);
+					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5));
 					glVertexAttribDivisor(10, 1);
 					glEnableVertexAttribArray(11); //color
-					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL);
 					glVertexAttribDivisor(11, 1);
 					glEnableVertexAttribArray(12); //custom
-					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 2);
+					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2));
 					glVertexAttribDivisor(12, 1);
 
 					glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, amount);
@@ -1039,19 +1041,19 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 
 					if (amount - split > 0) {
 						glEnableVertexAttribArray(8); //xform x
-						glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 3);
+						glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 3));
 						glVertexAttribDivisor(8, 1);
 						glEnableVertexAttribArray(9); //xform y
-						glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 4);
+						glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 4));
 						glVertexAttribDivisor(9, 1);
 						glEnableVertexAttribArray(10); //xform z
-						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 5);
+						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 5));
 						glVertexAttribDivisor(10, 1);
 						glEnableVertexAttribArray(11); //color
-						glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + 0);
+						glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + 0));
 						glVertexAttribDivisor(11, 1);
 						glEnableVertexAttribArray(12); //custom
-						glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 2);
+						glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 2));
 						glVertexAttribDivisor(12, 1);
 
 						glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, amount - split);
@@ -1059,19 +1061,19 @@ void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item, Item *cur
 
 					if (split > 0) {
 						glEnableVertexAttribArray(8); //xform x
-						glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 3);
+						glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 3));
 						glVertexAttribDivisor(8, 1);
 						glEnableVertexAttribArray(9); //xform y
-						glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 4);
+						glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 4));
 						glVertexAttribDivisor(9, 1);
 						glEnableVertexAttribArray(10); //xform z
-						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 5);
+						glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5));
 						glVertexAttribDivisor(10, 1);
 						glEnableVertexAttribArray(11); //color
-						glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+						glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL);
 						glVertexAttribDivisor(11, 1);
 						glEnableVertexAttribArray(12); //custom
-						glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 2);
+						glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2));
 						glVertexAttribDivisor(12, 1);
 
 						glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, split);
@@ -2041,7 +2043,7 @@ void RasterizerCanvasGLES3::initialize() {
 		glEnableVertexAttribArray(VS::ARRAY_VERTEX);
 		glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, 0);
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, (float *)0 + 2);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(2));
 		glBindVertexArray(0);
 		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
 	}
@@ -2078,16 +2080,16 @@ void RasterizerCanvasGLES3::initialize() {
 			}
 
 			glEnableVertexAttribArray(VS::ARRAY_VERTEX);
-			glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+			glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, stride, NULL);
 
 			if (i & 1) {
 				glEnableVertexAttribArray(VS::ARRAY_COLOR);
-				glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + color_ofs);
+				glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
 			}
 
 			if (i & 2) {
 				glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
-				glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + uv_ofs);
+				glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(uv_ofs));
 			}
 
 			glBindVertexArray(0);
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 0c7d8c53d4..df8bd9feb0 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -1376,17 +1376,17 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 
 			int stride = (multi_mesh->xform_floats + multi_mesh->color_floats + multi_mesh->custom_data_floats) * 4;
 			glEnableVertexAttribArray(8);
-			glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+			glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, NULL);
 			glVertexAttribDivisor(8, 1);
 			glEnableVertexAttribArray(9);
-			glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 4 * 4);
+			glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(4 * 4));
 			glVertexAttribDivisor(9, 1);
 
 			int color_ofs;
 
 			if (multi_mesh->transform_format == VS::MULTIMESH_TRANSFORM_3D) {
 				glEnableVertexAttribArray(10);
-				glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 8 * 4);
+				glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(8 * 4));
 				glVertexAttribDivisor(10, 1);
 				color_ofs = 12 * 4;
 			} else {
@@ -1405,14 +1405,14 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 				} break;
 				case VS::MULTIMESH_COLOR_8BIT: {
 					glEnableVertexAttribArray(11);
-					glVertexAttribPointer(11, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, ((uint8_t *)NULL) + color_ofs);
+					glVertexAttribPointer(11, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
 					glVertexAttribDivisor(11, 1);
 					custom_data_ofs += 4;
 
 				} break;
 				case VS::MULTIMESH_COLOR_FLOAT: {
 					glEnableVertexAttribArray(11);
-					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + color_ofs);
+					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
 					glVertexAttribDivisor(11, 1);
 					custom_data_ofs += 4 * 4;
 				} break;
@@ -1426,13 +1426,13 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 				} break;
 				case VS::MULTIMESH_CUSTOM_DATA_8BIT: {
 					glEnableVertexAttribArray(12);
-					glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, ((uint8_t *)NULL) + custom_data_ofs);
+					glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
 					glVertexAttribDivisor(12, 1);
 
 				} break;
 				case VS::MULTIMESH_CUSTOM_DATA_FLOAT: {
 					glEnableVertexAttribArray(12);
-					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + custom_data_ofs);
+					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
 					glVertexAttribDivisor(12, 1);
 				} break;
 			}
@@ -1508,19 +1508,19 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 			if (particles->draw_order != VS::PARTICLES_DRAW_ORDER_LIFETIME) {
 
 				glEnableVertexAttribArray(8); //xform x
-				glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 3);
+				glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 3));
 				glVertexAttribDivisor(8, 1);
 				glEnableVertexAttribArray(9); //xform y
-				glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 4);
+				glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 4));
 				glVertexAttribDivisor(9, 1);
 				glEnableVertexAttribArray(10); //xform z
-				glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 5);
+				glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5));
 				glVertexAttribDivisor(10, 1);
 				glEnableVertexAttribArray(11); //color
-				glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+				glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL);
 				glVertexAttribDivisor(11, 1);
 				glEnableVertexAttribArray(12); //custom
-				glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 2);
+				glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2));
 				glVertexAttribDivisor(12, 1);
 			}
 
@@ -1659,7 +1659,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 					glEnableVertexAttribArray(VS::ARRAY_NORMAL);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector3) * vertices, c.normals.ptr());
-					glVertexAttribPointer(VS::ARRAY_NORMAL, 3, GL_FLOAT, false, sizeof(Vector3), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_NORMAL, 3, GL_FLOAT, false, sizeof(Vector3), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector3) * vertices;
 
 				} else {
@@ -1671,7 +1671,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 					glEnableVertexAttribArray(VS::ARRAY_TANGENT);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Plane) * vertices, c.tangents.ptr());
-					glVertexAttribPointer(VS::ARRAY_TANGENT, 4, GL_FLOAT, false, sizeof(Plane), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TANGENT, 4, GL_FLOAT, false, sizeof(Plane), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Plane) * vertices;
 
 				} else {
@@ -1683,7 +1683,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 					glEnableVertexAttribArray(VS::ARRAY_COLOR);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Color) * vertices, c.colors.ptr());
-					glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Color) * vertices;
 
 				} else {
@@ -1696,7 +1696,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 					glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector2) * vertices, c.uvs.ptr());
-					glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector2) * vertices;
 
 				} else {
@@ -1708,7 +1708,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 					glEnableVertexAttribArray(VS::ARRAY_TEX_UV2);
 					glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector2) * vertices, c.uvs2.ptr());
-					glVertexAttribPointer(VS::ARRAY_TEX_UV2, 2, GL_FLOAT, false, sizeof(Vector2), ((uint8_t *)NULL) + buf_ofs);
+					glVertexAttribPointer(VS::ARRAY_TEX_UV2, 2, GL_FLOAT, false, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 					buf_ofs += sizeof(Vector2) * vertices;
 
 				} else {
@@ -1718,7 +1718,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 				glEnableVertexAttribArray(VS::ARRAY_VERTEX);
 				glBufferSubData(GL_ARRAY_BUFFER, buf_ofs, sizeof(Vector3) * vertices, c.vertices.ptr());
-				glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, false, sizeof(Vector3), ((uint8_t *)NULL) + buf_ofs);
+				glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, false, sizeof(Vector3), CAST_INT_TO_UCHAR_PTR(buf_ofs));
 				glDrawArrays(gl_primitive[c.primitive], 0, c.vertices.size());
 			}
 
@@ -1747,19 +1747,19 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 				if (amount - split > 0) {
 					glEnableVertexAttribArray(8); //xform x
-					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 3);
+					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 3));
 					glVertexAttribDivisor(8, 1);
 					glEnableVertexAttribArray(9); //xform y
-					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 4);
+					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 4));
 					glVertexAttribDivisor(9, 1);
 					glEnableVertexAttribArray(10); //xform z
-					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 5);
+					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 5));
 					glVertexAttribDivisor(10, 1);
 					glEnableVertexAttribArray(11); //color
-					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + 0);
+					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + 0));
 					glVertexAttribDivisor(11, 1);
 					glEnableVertexAttribArray(12); //custom
-					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + stride * split + sizeof(float) * 4 * 2);
+					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(stride * split + sizeof(float) * 4 * 2));
 					glVertexAttribDivisor(12, 1);
 #ifdef DEBUG_ENABLED
 
@@ -1785,19 +1785,19 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 
 				if (split > 0) {
 					glEnableVertexAttribArray(8); //xform x
-					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 3);
+					glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 3));
 					glVertexAttribDivisor(8, 1);
 					glEnableVertexAttribArray(9); //xform y
-					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 4);
+					glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 4));
 					glVertexAttribDivisor(9, 1);
 					glEnableVertexAttribArray(10); //xform z
-					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 5);
+					glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5));
 					glVertexAttribDivisor(10, 1);
 					glEnableVertexAttribArray(11); //color
-					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + 0);
+					glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL);
 					glVertexAttribDivisor(11, 1);
 					glEnableVertexAttribArray(12); //custom
-					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)NULL) + sizeof(float) * 4 * 2);
+					glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2));
 					glVertexAttribDivisor(12, 1);
 #ifdef DEBUG_ENABLED
 
@@ -3170,6 +3170,7 @@ void RasterizerSceneGLES3::_fill_render_list(InstanceBase **p_cull_result, int p
 	state.used_sss = false;
 	state.used_screen_texture = false;
 	state.used_depth_texture = false;
+
 	//fill list
 
 	for (int i = 0; i < p_cull_count; i++) {
@@ -3285,14 +3286,8 @@ void RasterizerSceneGLES3::_blur_effect_buffer() {
 	}
 }
 
-void RasterizerSceneGLES3::_render_mrts(Environment *env, const CameraMatrix &p_cam_projection) {
-
-	glDepthMask(GL_FALSE);
-	glDisable(GL_DEPTH_TEST);
-	glDisable(GL_CULL_FACE);
-	glDisable(GL_BLEND);
-
-	if (!state.used_depth_prepass_and_resolved) {
+void RasterizerSceneGLES3::_prepare_depth_texture() {
+	if (!state.prepared_depth_texture) {
 		//resolve depth buffer
 		glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
 		glReadBuffer(GL_COLOR_ATTACHMENT0);
@@ -3300,7 +3295,28 @@ void RasterizerSceneGLES3::_render_mrts(Environment *env, const CameraMatrix &p_
 		glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
 		glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
 		glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
+		state.prepared_depth_texture = true;
 	}
+}
+
+void RasterizerSceneGLES3::_bind_depth_texture() {
+	if (!state.bound_depth_texture) {
+		ERR_FAIL_COND(!state.prepared_depth_texture)
+		//bind depth for read
+		glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 8);
+		glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->depth);
+		state.bound_depth_texture = true;
+	}
+}
+
+void RasterizerSceneGLES3::_render_mrts(Environment *env, const CameraMatrix &p_cam_projection) {
+
+	glDepthMask(GL_FALSE);
+	glDisable(GL_DEPTH_TEST);
+	glDisable(GL_CULL_FACE);
+	glDisable(GL_BLEND);
+
+	_prepare_depth_texture();
 
 	if (env->ssao_enabled || env->ssr_enabled) {
 
@@ -3634,7 +3650,6 @@ void RasterizerSceneGLES3::_post_process(Environment *env, const CameraMatrix &p
 
 	if (storage->frame.current_rt->buffers.active) {
 		//transfer to effect buffer if using buffers, also resolve MSAA
-		glReadBuffer(GL_COLOR_ATTACHMENT0);
 		glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
 		glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo);
 		glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
@@ -4154,7 +4169,8 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 	glDepthFunc(GL_LEQUAL);
 
 	state.used_contact_shadows = false;
-	state.used_depth_prepass_and_resolved = false;
+	state.prepared_depth_texture = false;
+	state.bound_depth_texture = false;
 
 	for (int i = 0; i < p_light_cull_count; i++) {
 
@@ -4166,7 +4182,17 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 		}
 	}
 
-	if (!storage->config.no_depth_prepass && storage->frame.current_rt && state.debug_draw != VS::VIEWPORT_DEBUG_DRAW_OVERDRAW && !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_NO_3D_EFFECTS]) { //detect with state.used_contact_shadows too
+	// Do depth prepass if it's explicitly enabled
+	bool use_depth_prepass = storage->config.use_depth_prepass;
+
+	// If contact shadows are used then we need to do depth prepass even if it's otherwise disabled
+	use_depth_prepass = use_depth_prepass || state.used_contact_shadows;
+
+	// Never do depth prepass if effects are disabled or if we render overdraws
+	use_depth_prepass = use_depth_prepass && storage->frame.current_rt && !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_NO_3D_EFFECTS];
+	use_depth_prepass = use_depth_prepass && state.debug_draw != VS::VIEWPORT_DEBUG_DRAW_OVERDRAW;
+
+	if (use_depth_prepass) {
 		//pre z pass
 
 		glDisable(GL_BLEND);
@@ -4191,18 +4217,10 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 
 		glColorMask(1, 1, 1, 1);
 
-		if (state.used_contact_shadows || state.used_depth_texture) {
+		if (state.used_contact_shadows) {
 
-			glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
-			glReadBuffer(GL_COLOR_ATTACHMENT0);
-			glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo);
-			glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
-			glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
-			glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
-			//bind depth for read
-			glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 8);
-			glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->depth);
-			state.used_depth_prepass_and_resolved = true;
+			_prepare_depth_texture();
+			_bind_depth_texture();
 		}
 
 		fb_cleared = true;
@@ -4460,7 +4478,12 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 
 		_render_mrts(env, p_cam_projection);
 	} else {
-		//FIXME: check that this is possible to use
+		// Here we have to do the blits/resolves that otherwise are done in the MRT rendering, in particular
+		// - prepare screen texture for any geometry that uses a shader with screen texture
+		// - prepare depth texture for any geometry that uses a shader with depth texture
+
+		bool framebuffer_dirty = false;
+
 		if (storage->frame.current_rt && storage->frame.current_rt->buffers.active && state.used_screen_texture) {
 			glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
 			glReadBuffer(GL_COLOR_ATTACHMENT0);
@@ -4469,12 +4492,25 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 			glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
 			glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
 			_blur_effect_buffer();
-			//restored framebuffer
+			framebuffer_dirty = true;
+		}
+
+		if (storage->frame.current_rt && storage->frame.current_rt->buffers.active && state.used_depth_texture) {
+			_prepare_depth_texture();
+			framebuffer_dirty = true;
+		}
+
+		if (framebuffer_dirty) {
+			// Restore framebuffer
 			glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
 			glViewport(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height);
 		}
 	}
 
+	if (storage->frame.current_rt && state.used_depth_texture && storage->frame.current_rt->buffers.active) {
+		_bind_depth_texture();
+	}
+
 	if (storage->frame.current_rt && state.used_screen_texture && storage->frame.current_rt->buffers.active) {
 		glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 7);
 		glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->effects.mip_maps[0].color);
@@ -4954,7 +4990,7 @@ void RasterizerSceneGLES3::initialize() {
 		glBindBuffer(GL_ARRAY_BUFFER, state.sky_verts);
 		glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, 0);
 		glEnableVertexAttribArray(VS::ARRAY_VERTEX);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, ((uint8_t *)NULL) + sizeof(Vector3));
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, CAST_INT_TO_UCHAR_PTR(sizeof(Vector3)));
 		glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
 		glBindVertexArray(0);
 		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
diff --git a/drivers/gles3/rasterizer_scene_gles3.h b/drivers/gles3/rasterizer_scene_gles3.h
index 3ac5ade721..59e23e5ac9 100644
--- a/drivers/gles3/rasterizer_scene_gles3.h
+++ b/drivers/gles3/rasterizer_scene_gles3.h
@@ -204,9 +204,12 @@ public:
 		bool cull_disabled;
 		bool used_sss;
 		bool used_screen_texture;
-		bool used_depth_texture;
+
 		bool used_depth_prepass;
-		bool used_depth_prepass_and_resolved;
+
+		bool used_depth_texture;
+		bool prepared_depth_texture;
+		bool bound_depth_texture;
 
 		VS::ViewportDebugDraw debug_draw;
 	} state;
@@ -848,6 +851,9 @@ public:
 	void _render_mrts(Environment *env, const CameraMatrix &p_cam_projection);
 	void _post_process(Environment *env, const CameraMatrix &p_cam_projection);
 
+	void _prepare_depth_texture();
+	void _bind_depth_texture();
+
 	virtual void render_scene(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID p_environment, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass);
 	virtual void render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, InstanceBase **p_cull_result, int p_cull_count);
 	virtual bool free(RID p_rid);
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 3a6204b731..c2e8cc5307 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -752,7 +752,11 @@ void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p
 	if (config.keep_original_textures && !(texture->flags & VS::TEXTURE_FLAG_USED_FOR_STREAMING)) {
 		texture->images.write[p_layer] = p_image;
 	}
-
+#ifndef GLES_OVER_GL
+	if (p_image->is_compressed() && p_image->has_mipmaps() && !p_image->is_size_po2()) {
+		ERR_PRINTS("Texuture '" + texture->path + "' is compressed, has mipmaps but is not of powerf-of-2 size. This does not work on OpenGL ES 3.0.");
+	}
+#endif
 	Image::Format real_format;
 	Ref<Image> img = _get_gl_image_and_format(p_image, p_image->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb);
 
@@ -3462,9 +3466,9 @@ void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
 					continue;
 
 				if (attribs[i].integer) {
-					glVertexAttribIPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].stride, ((uint8_t *)0) + attribs[i].offset);
+					glVertexAttribIPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].stride, CAST_INT_TO_UCHAR_PTR(attribs[i].offset));
 				} else {
-					glVertexAttribPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].normalized, attribs[i].stride, ((uint8_t *)0) + attribs[i].offset);
+					glVertexAttribPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].normalized, attribs[i].stride, CAST_INT_TO_UCHAR_PTR(attribs[i].offset));
 				}
 				glEnableVertexAttribArray(attribs[i].index);
 			}
@@ -3567,9 +3571,9 @@ void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
 						continue;
 
 					if (attribs[i].integer) {
-						glVertexAttribIPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].stride, ((uint8_t *)0) + attribs[i].offset);
+						glVertexAttribIPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].stride, CAST_INT_TO_UCHAR_PTR(attribs[i].offset));
 					} else {
-						glVertexAttribPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].normalized, attribs[i].stride, ((uint8_t *)0) + attribs[i].offset);
+						glVertexAttribPointer(attribs[i].index, attribs[i].size, attribs[i].type, attribs[i].normalized, attribs[i].stride, CAST_INT_TO_UCHAR_PTR(attribs[i].offset));
 					}
 					glEnableVertexAttribArray(attribs[i].index);
 				}
@@ -3612,9 +3616,9 @@ void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh, uint32_t p_format, VS:
 					continue;
 
 				if (attribs[j].integer) {
-					glVertexAttribIPointer(attribs[j].index, attribs[j].size, attribs[j].type, attribs[j].stride, ((uint8_t *)0) + attribs[j].offset);
+					glVertexAttribIPointer(attribs[j].index, attribs[j].size, attribs[j].type, attribs[j].stride, CAST_INT_TO_UCHAR_PTR(attribs[j].offset));
 				} else {
-					glVertexAttribPointer(attribs[j].index, attribs[j].size, attribs[j].type, attribs[j].normalized, attribs[j].stride, ((uint8_t *)0) + attribs[j].offset);
+					glVertexAttribPointer(attribs[j].index, attribs[j].size, attribs[j].type, attribs[j].normalized, attribs[j].stride, CAST_INT_TO_UCHAR_PTR(attribs[j].offset));
 				}
 				glEnableVertexAttribArray(attribs[j].index);
 			}
@@ -4127,7 +4131,7 @@ void RasterizerStorageGLES3::mesh_render_blend_shapes(Surface *s, const float *p
 	for (int ti = 0; ti < mtc; ti++) {
 		float weight = p_weights[ti];
 
-		if (weight < 0.001) //not bother with this one
+		if (weight < 0.00001) //not bother with this one
 			continue;
 
 		glBindVertexArray(s->blend_shapes[ti].array_id);
@@ -4145,44 +4149,44 @@ void RasterizerStorageGLES3::mesh_render_blend_shapes(Surface *s, const float *p
 
 					case VS::ARRAY_VERTEX: {
 						if (s->format & VS::ARRAY_FLAG_USE_2D_VERTICES) {
-							glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+							glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 							ofs += 2 * 4;
 						} else {
-							glVertexAttribPointer(i + 8, 3, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+							glVertexAttribPointer(i + 8, 3, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 							ofs += 3 * 4;
 						}
 					} break;
 					case VS::ARRAY_NORMAL: {
-						glVertexAttribPointer(i + 8, 3, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 3, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 3 * 4;
 					} break;
 					case VS::ARRAY_TANGENT: {
-						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 4 * 4;
 
 					} break;
 					case VS::ARRAY_COLOR: {
-						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 4 * 4;
 
 					} break;
 					case VS::ARRAY_TEX_UV: {
-						glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 2 * 4;
 
 					} break;
 					case VS::ARRAY_TEX_UV2: {
-						glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 2 * 4;
 
 					} break;
 					case VS::ARRAY_BONES: {
-						glVertexAttribIPointer(i + 8, 4, GL_UNSIGNED_INT, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribIPointer(i + 8, 4, GL_UNSIGNED_INT, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 4 * 4;
 
 					} break;
 					case VS::ARRAY_WEIGHTS: {
-						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i + 8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 4 * 4;
 
 					} break;
@@ -4215,44 +4219,44 @@ void RasterizerStorageGLES3::mesh_render_blend_shapes(Surface *s, const float *p
 
 				case VS::ARRAY_VERTEX: {
 					if (s->format & VS::ARRAY_FLAG_USE_2D_VERTICES) {
-						glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 2 * 4;
 					} else {
-						glVertexAttribPointer(i, 3, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+						glVertexAttribPointer(i, 3, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 						ofs += 3 * 4;
 					}
 				} break;
 				case VS::ARRAY_NORMAL: {
-					glVertexAttribPointer(i, 3, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 3, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 3 * 4;
 				} break;
 				case VS::ARRAY_TANGENT: {
-					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 4 * 4;
 
 				} break;
 				case VS::ARRAY_COLOR: {
-					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 4 * 4;
 
 				} break;
 				case VS::ARRAY_TEX_UV: {
-					glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 2 * 4;
 
 				} break;
 				case VS::ARRAY_TEX_UV2: {
-					glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 2 * 4;
 
 				} break;
 				case VS::ARRAY_BONES: {
-					glVertexAttribIPointer(i, 4, GL_UNSIGNED_INT, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribIPointer(i, 4, GL_UNSIGNED_INT, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 4 * 4;
 
 				} break;
 				case VS::ARRAY_WEIGHTS: {
-					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, ((uint8_t *)0) + ofs);
+					glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(ofs));
 					ofs += 4 * 4;
 
 				} break;
@@ -6076,7 +6080,7 @@ void RasterizerStorageGLES3::particles_set_amount(RID p_particles, int p_amount)
 
 		for (int j = 0; j < 6; j++) {
 			glEnableVertexAttribArray(j);
-			glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, ((uint8_t *)0) + (j * 16));
+			glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, CAST_INT_TO_UCHAR_PTR((j * 16)));
 		}
 	}
 
@@ -6090,7 +6094,7 @@ void RasterizerStorageGLES3::particles_set_amount(RID p_particles, int p_amount)
 
 			for (int j = 0; j < 6; j++) {
 				glEnableVertexAttribArray(j);
-				glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, ((uint8_t *)0) + (j * 16));
+				glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, CAST_INT_TO_UCHAR_PTR(j * 16));
 			}
 			particles->particle_valid_histories[i] = false;
 		}
@@ -6168,7 +6172,7 @@ void RasterizerStorageGLES3::_particles_update_histories(Particles *particles) {
 
 			for (int j = 0; j < 6; j++) {
 				glEnableVertexAttribArray(j);
-				glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, ((uint8_t *)0) + (j * 16));
+				glVertexAttribPointer(j, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 4 * 6, CAST_INT_TO_UCHAR_PTR(j * 16));
 			}
 
 			particles->particle_valid_histories[i] = false;
@@ -7993,7 +7997,7 @@ void RasterizerStorageGLES3::initialize() {
 		glBindBuffer(GL_ARRAY_BUFFER, resources.quadie);
 		glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, 0);
 		glEnableVertexAttribArray(0);
-		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, ((uint8_t *)NULL) + 8);
+		glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(8));
 		glEnableVertexAttribArray(4);
 		glBindVertexArray(0);
 		glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
@@ -8038,8 +8042,8 @@ void RasterizerStorageGLES3::initialize() {
 
 	String renderer = (const char *)glGetString(GL_RENDERER);
 
-	config.no_depth_prepass = !bool(GLOBAL_GET("rendering/quality/depth_prepass/enable"));
-	if (!config.no_depth_prepass) {
+	config.use_depth_prepass = bool(GLOBAL_GET("rendering/quality/depth_prepass/enable"));
+	if (config.use_depth_prepass) {
 
 		String vendors = GLOBAL_GET("rendering/quality/depth_prepass/disable_for_vendors");
 		Vector<String> vendor_match = vendors.split(",");
@@ -8049,7 +8053,7 @@ void RasterizerStorageGLES3::initialize() {
 				continue;
 
 			if (renderer.findn(v) != -1) {
-				config.no_depth_prepass = true;
+				config.use_depth_prepass = false;
 			}
 		}
 	}
diff --git a/drivers/gles3/rasterizer_storage_gles3.h b/drivers/gles3/rasterizer_storage_gles3.h
index 2994bfb074..330139e179 100644
--- a/drivers/gles3/rasterizer_storage_gles3.h
+++ b/drivers/gles3/rasterizer_storage_gles3.h
@@ -103,7 +103,7 @@ public:
 
 		bool keep_original_textures;
 
-		bool no_depth_prepass;
+		bool use_depth_prepass;
 		bool force_vertex_shading;
 	} config;
 
diff --git a/drivers/windows/dir_access_windows.cpp b/drivers/windows/dir_access_windows.cpp
index 2f705ec87d..9eac15f774 100644
--- a/drivers/windows/dir_access_windows.cpp
+++ b/drivers/windows/dir_access_windows.cpp
@@ -394,7 +394,7 @@ DirAccessWindows::DirAccessWindows() {
 
 		if (mask & (1 << i)) { //DRIVE EXISTS
 
-			drives[drive_count] = 'a' + i;
+			drives[drive_count] = 'A' + i;
 			drive_count++;
 		}
 	}
diff --git a/editor/animation_track_editor.cpp b/editor/animation_track_editor.cpp
index 6b863a162c..8807a01f64 100644
--- a/editor/animation_track_editor.cpp
+++ b/editor/animation_track_editor.cpp
@@ -1621,10 +1621,15 @@ void AnimationTrackEdit::set_animation_and_track(const Ref<Animation> &p_animati
 
 	ERR_FAIL_INDEX(track, animation->get_track_count());
 
+	node_path = animation->track_get_path(p_track);
 	type_icon = type_icons[animation->track_get_type(track)];
 	selected_icon = get_icon("KeySelected", "EditorIcons");
 }
 
+NodePath AnimationTrackEdit::get_path() const {
+	return node_path;
+}
+
 Size2 AnimationTrackEdit::get_minimum_size() const {
 
 	Ref<Texture> texture = get_icon("Object", "EditorIcons");
@@ -1945,6 +1950,7 @@ void AnimationTrackEdit::_gui_input(const Ref<InputEvent> &p_event) {
 		if (remove_rect.has_point(pos)) {
 			emit_signal("remove_request", track);
 			accept_event();
+			return;
 		}
 
 		if (bezier_edit_rect.has_point(pos)) {
@@ -2533,7 +2539,10 @@ void AnimationTrackEditor::_track_remove_request(int p_track) {
 
 	int idx = p_track;
 	if (idx >= 0 && idx < animation->get_track_count()) {
-		_clear_selection();
+		selection.clear();
+		_clear_key_edit();
+		//all will be updated after remove anyway, and triggering update here raises error on tracks already removed
+
 		undo_redo->create_action(TTR("Remove Anim Track"));
 		undo_redo->add_do_method(animation.ptr(), "remove_track", idx);
 		undo_redo->add_undo_method(animation.ptr(), "add_track", animation->track_get_type(idx), idx);
@@ -3392,6 +3401,10 @@ void AnimationTrackEditor::_update_tracks() {
 
 void AnimationTrackEditor::_animation_changed() {
 
+	if (animation_changing_awaiting_update) {
+		return; //all will be updated, dont bother with anything
+	}
+
 	if (key_edit && key_edit->setting) {
 		//if editing a key, just update the edited track, makes refresh less costly
 		if (key_edit->track < track_edits.size()) {
@@ -3400,9 +3413,35 @@ void AnimationTrackEditor::_animation_changed() {
 		return;
 	}
 
+	animation_changing_awaiting_update = true;
+	call_deferred("_animation_update");
+}
+
+void AnimationTrackEditor::_animation_update() {
+
 	timeline->update();
 	timeline->update_values();
-	if (undo_redo->is_commiting_action()) {
+
+	bool same = true;
+
+	if (animation.is_null()) {
+		return;
+	}
+
+	if (track_edits.size() == animation->get_track_count()) {
+		//check tracks are the same
+
+		for (int i = 0; i < track_edits.size(); i++) {
+			if (track_edits[i]->get_path() != animation->track_get_path(i)) {
+				same = false;
+				break;
+			}
+		}
+	} else {
+		same = false;
+	}
+
+	if (same) {
 		for (int i = 0; i < track_edits.size(); i++) {
 			track_edits[i]->update();
 		}
@@ -3418,6 +3457,8 @@ void AnimationTrackEditor::_animation_changed() {
 	step->set_block_signals(true);
 	step->set_value(animation->get_step());
 	step->set_block_signals(false);
+
+	animation_changing_awaiting_update = false;
 }
 
 MenuButton *AnimationTrackEditor::get_edit_menu() {
@@ -4712,10 +4753,12 @@ float AnimationTrackEditor::snap_time(float p_value) {
 void AnimationTrackEditor::_bind_methods() {
 
 	ClassDB::bind_method("_animation_changed", &AnimationTrackEditor::_animation_changed);
+	ClassDB::bind_method("_animation_update", &AnimationTrackEditor::_animation_update);
 	ClassDB::bind_method("_timeline_changed", &AnimationTrackEditor::_timeline_changed);
 	ClassDB::bind_method("_track_remove_request", &AnimationTrackEditor::_track_remove_request);
 	ClassDB::bind_method("_name_limit_changed", &AnimationTrackEditor::_name_limit_changed);
 	ClassDB::bind_method("_update_scroll", &AnimationTrackEditor::_update_scroll);
+	ClassDB::bind_method("_update_tracks", &AnimationTrackEditor::_update_tracks);
 	ClassDB::bind_method("_update_step", &AnimationTrackEditor::_update_step);
 	ClassDB::bind_method("_update_length", &AnimationTrackEditor::_update_length);
 	ClassDB::bind_method("_dropped_track", &AnimationTrackEditor::_dropped_track);
@@ -5017,6 +5060,7 @@ AnimationTrackEditor::AnimationTrackEditor() {
 	track_copy_select->set_hide_root(true);
 	track_copy_dialog->add_child(track_copy_select);
 	track_copy_dialog->connect("confirmed", this, "_edit_menu_pressed", varray(EDIT_COPY_TRACKS_CONFIRM));
+	animation_changing_awaiting_update = false;
 }
 
 AnimationTrackEditor::~AnimationTrackEditor() {
diff --git a/editor/animation_track_editor.h b/editor/animation_track_editor.h
index 4ad8b6fd68..29ce4f189e 100644
--- a/editor/animation_track_editor.h
+++ b/editor/animation_track_editor.h
@@ -141,6 +141,7 @@ class AnimationTrackEdit : public Control {
 	Node *root;
 	Control *play_position; //separate control used to draw so updates for only position changed are much faster
 	float play_position_pos;
+	NodePath node_path;
 
 	Ref<Animation> animation;
 	int track;
@@ -212,7 +213,7 @@ public:
 	AnimationTimelineEdit *get_timeline() const { return timeline; }
 	AnimationTrackEditor *get_editor() const { return editor; }
 	UndoRedo *get_undo_redo() const { return undo_redo; }
-
+	NodePath get_path() const;
 	void set_animation_and_track(const Ref<Animation> &p_animation, int p_track);
 	virtual Size2 get_minimum_size() const;
 
@@ -306,6 +307,8 @@ class AnimationTrackEditor : public VBoxContainer {
 	Vector<AnimationTrackEdit *> track_edits;
 	Vector<AnimationTrackEditGroup *> groups;
 
+	bool animation_changing_awaiting_update;
+	void _animation_update();
 	int _get_track_selected();
 	void _animation_changed();
 	void _update_tracks();
diff --git a/editor/code_editor.cpp b/editor/code_editor.cpp
index 7ee4d5b03b..0b06839ecf 100644
--- a/editor/code_editor.cpp
+++ b/editor/code_editor.cpp
@@ -1085,6 +1085,79 @@ void CodeTextEditor::clone_lines_down() {
 	text_editor->update();
 }
 
+void CodeTextEditor::toggle_inline_comment(const String &delimiter) {
+	text_editor->begin_complex_operation();
+	if (text_editor->is_selection_active()) {
+		int begin = text_editor->get_selection_from_line();
+		int end = text_editor->get_selection_to_line();
+
+		// End of selection ends on the first column of the last line, ignore it.
+		if (text_editor->get_selection_to_column() == 0)
+			end -= 1;
+
+		int col_to = text_editor->get_selection_to_column();
+		int cursor_pos = text_editor->cursor_get_column();
+
+		// Check if all lines in the selected block are commented
+		bool is_commented = true;
+		for (int i = begin; i <= end; i++) {
+			if (!text_editor->get_line(i).begins_with(delimiter)) {
+				is_commented = false;
+				break;
+			}
+		}
+		for (int i = begin; i <= end; i++) {
+			String line_text = text_editor->get_line(i);
+
+			if (line_text.strip_edges().empty()) {
+				line_text = delimiter;
+			} else {
+				if (is_commented) {
+					line_text = line_text.substr(delimiter.length(), line_text.length());
+				} else {
+					line_text = delimiter + line_text;
+				}
+			}
+			text_editor->set_line(i, line_text);
+		}
+
+		// Adjust selection & cursor position.
+		int offset = (is_commented ? -1 : 1) * delimiter.length();
+		int col_from = text_editor->get_selection_from_column() > 0 ? text_editor->get_selection_from_column() + offset : 0;
+
+		if (is_commented && text_editor->cursor_get_column() == text_editor->get_line(text_editor->cursor_get_line()).length() + 1)
+			cursor_pos += 1;
+
+		if (text_editor->get_selection_to_column() != 0 && col_to != text_editor->get_line(text_editor->get_selection_to_line()).length() + 1)
+			col_to += offset;
+
+		if (text_editor->cursor_get_column() != 0)
+			cursor_pos += offset;
+
+		text_editor->select(begin, col_from, text_editor->get_selection_to_line(), col_to);
+		text_editor->cursor_set_column(cursor_pos);
+
+	} else {
+		int begin = text_editor->cursor_get_line();
+		String line_text = text_editor->get_line(begin);
+		int delimiter_length = delimiter.length();
+
+		int col = text_editor->cursor_get_column();
+		if (line_text.begins_with(delimiter)) {
+			line_text = line_text.substr(delimiter_length, line_text.length());
+			col -= delimiter_length;
+		} else {
+			line_text = delimiter + line_text;
+			col += delimiter_length;
+		}
+
+		text_editor->set_line(begin, line_text);
+		text_editor->cursor_set_column(col);
+	}
+	text_editor->end_complex_operation();
+	text_editor->update();
+}
+
 void CodeTextEditor::goto_line(int p_line) {
 	text_editor->deselect();
 	text_editor->unfold_line(p_line);
diff --git a/editor/code_editor.h b/editor/code_editor.h
index 67e8fc9d3c..e3dbfe1ce0 100644
--- a/editor/code_editor.h
+++ b/editor/code_editor.h
@@ -211,6 +211,10 @@ public:
 	void delete_lines();
 	void clone_lines_down();
 
+	/// Toggle inline comment on currently selected lines, or on current line if nothing is selected,
+	/// by adding or removing comment delimiter
+	void toggle_inline_comment(const String &delimiter);
+
 	void goto_line(int p_line);
 	void goto_line_selection(int p_line, int p_begin, int p_end);
 
diff --git a/editor/create_dialog.cpp b/editor/create_dialog.cpp
index fbc23aa8e2..364c5126d7 100644
--- a/editor/create_dialog.cpp
+++ b/editor/create_dialog.cpp
@@ -113,18 +113,6 @@ void CreateDialog::popup_create(bool p_dont_clear, bool p_replace_mode) {
 
 	_update_search();
 
-	bool enable_rl = EditorSettings::get_singleton()->get("docks/scene_tree/draw_relationship_lines");
-	Color rl_color = EditorSettings::get_singleton()->get("docks/scene_tree/relationship_line_color");
-
-	if (enable_rl) {
-		search_options->add_constant_override("draw_relationship_lines", 1);
-		search_options->add_color_override("relationship_line_color", rl_color);
-		search_options->add_constant_override("draw_guides", 0);
-	} else {
-		search_options->add_constant_override("draw_relationship_lines", 0);
-		search_options->add_constant_override("draw_guides", 1);
-	}
-
 	is_replace_mode = p_replace_mode;
 
 	if (p_replace_mode) {
@@ -216,7 +204,7 @@ void CreateDialog::add_type(const String &p_type, HashMap<String, TreeItem *> &p
 		if (cpp_type) {
 			String cpp_to_select_type = to_select_type;
 			if (ScriptServer::is_global_class(to_select_type))
-				cpp_to_select_type = ScriptServer::get_global_class_base(to_select_type);
+				cpp_to_select_type = ScriptServer::get_global_class_native_base(to_select_type);
 			current_item_is_preferred = ClassDB::is_parent_class(p_type, preferred_search_result_type) && !ClassDB::is_parent_class(cpp_to_select_type, preferred_search_result_type);
 		} else {
 			current_item_is_preferred = ed.script_class_is_parent(p_type, preferred_search_result_type) && !ed.script_class_is_parent(to_select_type, preferred_search_result_type) && search_box->get_text() != to_select_type;
diff --git a/editor/dependency_editor.cpp b/editor/dependency_editor.cpp
index f559eb6cb2..5c35a91fea 100644
--- a/editor/dependency_editor.cpp
+++ b/editor/dependency_editor.cpp
@@ -496,14 +496,28 @@ void DependencyRemoveDialog::ok_pressed() {
 			res->set_path("");
 		}
 
-		// If the file we are deleting is the main scene or default environment, clear its definition.
+		// If the file we are deleting for e.g. the main scene or default environment, we must clear its definition in Project Settings.
+		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("application/config/icon")) {
+			ProjectSettings::get_singleton()->set("application/config/icon", "");
+		}
 		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("application/run/main_scene")) {
 			ProjectSettings::get_singleton()->set("application/run/main_scene", "");
 		}
-
+		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("application/boot_splash/image")) {
+			ProjectSettings::get_singleton()->set("application/boot_splash/image", "");
+		}
 		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("rendering/environment/default_environment")) {
 			ProjectSettings::get_singleton()->set("rendering/environment/default_environment", "");
 		}
+		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("display/mouse_cursor/custom_image")) {
+			ProjectSettings::get_singleton()->set("display/mouse_cursor/custom_image", "");
+		}
+		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("gui/theme/custom")) {
+			ProjectSettings::get_singleton()->set("gui/theme/custom", "");
+		}
+		if (files_to_delete[i] == ProjectSettings::get_singleton()->get("gui/theme/custom_font")) {
+			ProjectSettings::get_singleton()->set("gui/theme/custom_font", "");
+		}
 
 		String path = OS::get_singleton()->get_resource_dir() + files_to_delete[i].replace_first("res://", "/");
 		print_verbose("Moving to trash: " + path);
diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index b87b80dafd..f61a831015 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -895,7 +895,7 @@ StringName EditorData::script_class_get_base(const String &p_class) const {
 
 Object *EditorData::script_class_instance(const String &p_class) {
 	if (ScriptServer::is_global_class(p_class)) {
-		Object *obj = ClassDB::instance(ScriptServer::get_global_class_base(p_class));
+		Object *obj = ClassDB::instance(ScriptServer::get_global_class_native_base(p_class));
 		if (obj) {
 			RES script = ResourceLoader::load(ScriptServer::get_global_class_path(p_class));
 			if (script.is_valid())
diff --git a/editor/editor_export.cpp b/editor/editor_export.cpp
index 62c0228f6a..dc43faeff1 100644
--- a/editor/editor_export.cpp
+++ b/editor/editor_export.cpp
@@ -1466,7 +1466,7 @@ List<String> EditorExportPlatformPC::get_binary_extensions(const Ref<EditorExpor
 Error EditorExportPlatformPC::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
 	ExportNotifier notifier(*this, p_preset, p_debug, p_path, p_flags);
 
-	if (!FileAccess::exists(p_path.get_base_dir())) {
+	if (!DirAccess::exists(p_path.get_base_dir())) {
 		return ERR_FILE_BAD_PATH;
 	}
 
diff --git a/editor/editor_file_dialog.cpp b/editor/editor_file_dialog.cpp
index da16c16966..4c9f58f312 100644
--- a/editor/editor_file_dialog.cpp
+++ b/editor/editor_file_dialog.cpp
@@ -852,7 +852,7 @@ void EditorFileDialog::update_file_list() {
 	fav_down->set_disabled(true);
 	get_ok()->set_disabled(_is_open_should_be_disabled());
 	for (int i = 0; i < favorites->get_item_count(); i++) {
-		if (favorites->get_item_metadata(i) == cdir) {
+		if (favorites->get_item_metadata(i) == cdir || favorites->get_item_metadata(i) == cdir + "/") {
 			favorites->select(i);
 			favorite->set_pressed(true);
 			if (i > 0) {
diff --git a/editor/editor_file_dialog.h b/editor/editor_file_dialog.h
index 1b9b5f9812..edaccac51d 100644
--- a/editor/editor_file_dialog.h
+++ b/editor/editor_file_dialog.h
@@ -124,7 +124,6 @@ private:
 
 	ToolButton *fav_up;
 	ToolButton *fav_down;
-	ToolButton *fav_rm;
 
 	ItemList *favorites;
 	ItemList *recent;
diff --git a/editor/editor_help.cpp b/editor/editor_help.cpp
index e0acc5cd70..e0a2bbf477 100644
--- a/editor/editor_help.cpp
+++ b/editor/editor_help.cpp
@@ -48,11 +48,12 @@ void EditorHelp::_init_colors() {
 	text_color = get_color("default_color", "RichTextLabel");
 	headline_color = get_color("headline_color", "EditorHelp");
 	base_type_color = title_color.linear_interpolate(text_color, 0.5);
-	comment_color = Color(text_color.r, text_color.g, text_color.b, 0.6);
+	comment_color = text_color * Color(1, 1, 1, 0.6);
 	symbol_color = comment_color;
-	value_color = Color(text_color.r, text_color.g, text_color.b, 0.4);
-	qualifier_color = Color(text_color.r, text_color.g, text_color.b, 0.8);
+	value_color = text_color * Color(1, 1, 1, 0.4);
+	qualifier_color = text_color * Color(1, 1, 1, 0.8);
 	type_color = get_color("accent_color", "Editor").linear_interpolate(text_color, 0.5);
+	class_desc->add_color_override("selection_color", get_color("accent_color", "Editor") * Color(1, 1, 1, 0.4));
 }
 
 void EditorHelp::_unhandled_key_input(const Ref<InputEvent> &p_ev) {
@@ -96,8 +97,8 @@ void EditorHelp::_class_desc_select(const String &p_select) {
 		emit_signal("go_to_help", "class_name:" + p_select.substr(1, p_select.length()));
 		return;
 	} else if (p_select.begins_with("@")) {
-		String tag = p_select.substr(1, 6);
-		String link = p_select.substr(7, p_select.length());
+		String tag = p_select.substr(1, 8).rstrip(" ");
+		String link = p_select.substr(9, p_select.length());
 
 		String topic;
 		Map<String, int> *table = NULL;
@@ -108,24 +109,50 @@ void EditorHelp::_class_desc_select(const String &p_select) {
 		} else if (tag == "member") {
 			topic = "class_property";
 			table = &this->property_line;
-		} else if (tag == "enum  ") {
+		} else if (tag == "enum") {
 			topic = "class_enum";
 			table = &this->enum_line;
 		} else if (tag == "signal") {
 			topic = "class_signal";
 			table = &this->signal_line;
+		} else if (tag == "constant") {
+			topic = "class_constant";
+			table = &this->constant_line;
 		} else {
 			return;
 		}
 
 		if (link.find(".") != -1) {
-
 			emit_signal("go_to_help", topic + ":" + link.get_slice(".", 0) + ":" + link.get_slice(".", 1));
 		} else {
-
-			if (!table->has(link))
-				return;
-			class_desc->scroll_to_line((*table)[link]);
+			if (table->has(link)) {
+				// Found in the current page
+				class_desc->scroll_to_line((*table)[link]);
+			} else {
+				if (topic == "class_enum") {
+					// Try to find the enum in @GlobalScope
+					const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
+
+					for (int i = 0; i < cd.constants.size(); i++) {
+						if (cd.constants[i].enumeration == link) {
+							// Found in @GlobalScope
+							emit_signal("go_to_help", topic + ":@GlobalScope:" + link);
+							break;
+						}
+					}
+				} else if (topic == "class_constant") {
+					// Try to find the constant in @GlobalScope
+					const DocData::ClassDoc &cd = doc->class_list["@GlobalScope"];
+
+					for (int i = 0; i < cd.constants.size(); i++) {
+						if (cd.constants[i].name == link) {
+							// Found in @GlobalScope
+							emit_signal("go_to_help", topic + ":@GlobalScope:" + link);
+							break;
+						}
+					}
+				}
+			}
 		}
 	} else if (p_select.begins_with("http")) {
 		OS::get_singleton()->shell_open(p_select);
@@ -733,6 +760,9 @@ void EditorHelp::_update_doc() {
 					if (cd.name == "@GlobalScope")
 						enumValuesContainer[enum_list[i].name] = enumStartingLine;
 
+					// Add the enum constant line to the constant_line map so we can locate it as a constant
+					constant_line[enum_list[i].name] = class_desc->get_line_count() - 2;
+
 					class_desc->push_font(doc_code_font);
 					class_desc->push_color(headline_color);
 					_add_text(enum_list[i].name);
@@ -1160,10 +1190,10 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt) {
 			p_rt->add_text("[");
 			pos = brk_pos + 1;
 
-		} else if (tag.begins_with("method ") || tag.begins_with("member ") || tag.begins_with("signal ") || tag.begins_with("enum ")) {
+		} else if (tag.begins_with("method ") || tag.begins_with("member ") || tag.begins_with("signal ") || tag.begins_with("enum ") || tag.begins_with("constant ")) {
 
 			String link_target = tag.substr(tag.find(" ") + 1, tag.length());
-			String link_tag = tag.substr(0, tag.find(" ")).rpad(6);
+			String link_tag = tag.substr(0, tag.find(" ")).rpad(8);
 			p_rt->push_color(link_color);
 			p_rt->push_meta("@" + link_tag + link_target);
 			p_rt->add_text(link_target + (tag.begins_with("method ") ? "()" : ""));
@@ -1340,19 +1370,11 @@ void EditorHelp::_notification(int p_what) {
 
 	switch (p_what) {
 
-		case NOTIFICATION_READY: {
-
-			_update_doc();
-
-		} break;
-
+		case NOTIFICATION_READY:
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
-
-			class_desc->add_color_override("selection_color", EditorSettings::get_singleton()->get("text_editor/theme/selection_color"));
 			_update_doc();
 
 		} break;
-
 		default: break;
 	}
 }
@@ -1426,7 +1448,7 @@ EditorHelp::EditorHelp() {
 	class_desc = memnew(RichTextLabel);
 	add_child(class_desc);
 	class_desc->set_v_size_flags(SIZE_EXPAND_FILL);
-	class_desc->add_color_override("selection_color", EditorSettings::get_singleton()->get("text_editor/theme/selection_color"));
+	class_desc->add_color_override("selection_color", get_color("accent_color", "Editor") * Color(1, 1, 1, 0.4));
 	class_desc->connect("meta_clicked", this, "_class_desc_select");
 	class_desc->connect("gui_input", this, "_class_desc_input");
 
@@ -1491,7 +1513,7 @@ void EditorHelpBit::_notification(int p_what) {
 	switch (p_what) {
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
 
-			rich_text->add_color_override("selection_color", EditorSettings::get_singleton()->get("text_editor/theme/selection_color"));
+			rich_text->add_color_override("selection_color", get_color("accent_color", "Editor") * Color(1, 1, 1, 0.4));
 		} break;
 
 		default: break;
@@ -1509,7 +1531,7 @@ EditorHelpBit::EditorHelpBit() {
 	rich_text = memnew(RichTextLabel);
 	add_child(rich_text);
 	rich_text->connect("meta_clicked", this, "_meta_clicked");
-	rich_text->add_color_override("selection_color", EditorSettings::get_singleton()->get("text_editor/theme/selection_color"));
+	rich_text->add_color_override("selection_color", get_color("accent_color", "Editor") * Color(1, 1, 1, 0.4));
 	rich_text->set_override_selected_font_color(false);
 	set_custom_minimum_size(Size2(0, 70 * EDSCALE));
 }
diff --git a/editor/editor_help_search.cpp b/editor/editor_help_search.cpp
index 21cddc8ca4..616a52e25b 100644
--- a/editor/editor_help_search.cpp
+++ b/editor/editor_help_search.cpp
@@ -45,21 +45,6 @@ void EditorHelpSearch::_update_icons() {
 		_update_results();
 }
 
-void EditorHelpSearch::_load_settings() {
-
-	bool enable_rl = EditorSettings::get_singleton()->get("docks/scene_tree/draw_relationship_lines");
-	Color rl_color = EditorSettings::get_singleton()->get("docks/scene_tree/relationship_line_color");
-
-	if (enable_rl) {
-		results_tree->add_constant_override("draw_relationship_lines", 1);
-		results_tree->add_color_override("relationship_line_color", rl_color);
-		results_tree->add_constant_override("draw_guides", 0);
-	} else {
-		results_tree->add_constant_override("draw_relationship_lines", 0);
-		results_tree->add_constant_override("draw_guides", 1);
-	}
-}
-
 void EditorHelpSearch::_update_results() {
 
 	String term = search_box->get_text();
@@ -120,7 +105,6 @@ void EditorHelpSearch::_notification(int p_what) {
 	switch (p_what) {
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
 
-			_load_settings();
 			_update_icons();
 		} break;
 		case NOTIFICATION_ENTER_TREE: {
@@ -264,8 +248,6 @@ EditorHelpSearch::EditorHelpSearch() {
 	results_tree->connect("item_activated", this, "_confirmed");
 	results_tree->connect("item_selected", get_ok(), "set_disabled", varray(false));
 	vbox->add_child(results_tree, true);
-
-	_load_settings();
 }
 
 bool EditorHelpSearch::Runner::_slice() {
diff --git a/editor/editor_help_search.h b/editor/editor_help_search.h
index e74bfdc5b6..93cf66a0dd 100644
--- a/editor/editor_help_search.h
+++ b/editor/editor_help_search.h
@@ -64,7 +64,6 @@ class EditorHelpSearch : public ConfirmationDialog {
 	Ref<Runner> search;
 
 	void _update_icons();
-	void _load_settings();
 	void _update_results();
 
 	void _search_box_gui_input(const Ref<InputEvent> &p_event);
diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index 1a08977f9c..60fa5ff16f 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -82,7 +82,10 @@ Size2 EditorProperty::get_minimum_size() const {
 
 void EditorProperty::emit_changed(const StringName &p_property, const Variant &p_value, const StringName &p_field, bool p_changing) {
 
-	emit_signal("property_changed", p_property, p_value, p_field, p_changing);
+	Variant args[4] = { p_property, p_value, p_field, p_changing };
+	const Variant *argptrs[4] = { &args[0], &args[1], &args[2], &args[3] };
+
+	emit_signal("property_changed", (const Variant **)argptrs, 4);
 }
 
 void EditorProperty::_notification(int p_what) {
@@ -1233,6 +1236,7 @@ EditorInspectorSection::EditorInspectorSection() {
 }
 
 EditorInspectorSection::~EditorInspectorSection() {
+
 	if (!vbox_added) {
 		memdelete(vbox);
 	}
@@ -2137,6 +2141,9 @@ void EditorInspector::_notification(int p_what) {
 			get_tree()->connect("node_removed", this, "_node_removed");
 		}
 	}
+	if (p_what == NOTIFICATION_PREDELETE) {
+		edit(NULL); //just in case
+	}
 	if (p_what == NOTIFICATION_EXIT_TREE) {
 
 		if (!sub_inspector) {
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index a29b50185c..6c629c1869 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -81,6 +81,7 @@
 #include "editor/plugins/collision_polygon_2d_editor_plugin.h"
 #include "editor/plugins/collision_polygon_editor_plugin.h"
 #include "editor/plugins/collision_shape_2d_editor_plugin.h"
+#include "editor/plugins/cpu_particles_2d_editor_plugin.h"
 #include "editor/plugins/cpu_particles_editor_plugin.h"
 #include "editor/plugins/curve_editor_plugin.h"
 #include "editor/plugins/editor_preview_plugins.h"
@@ -136,10 +137,10 @@ void EditorNode::_update_scene_tabs() {
 	Ref<Texture> script_icon = gui_base->get_icon("Script", "EditorIcons");
 	for (int i = 0; i < editor_data.get_edited_scene_count(); i++) {
 
-		String type = editor_data.get_scene_type(i);
+		Node *type_node = editor_data.get_edited_scene_root(i);
 		Ref<Texture> icon;
-		if (type != String()) {
-			icon = get_class_icon(type, "Node");
+		if (type_node) {
+			icon = EditorNode::get_singleton()->get_object_icon(type_node, "Node");
 		}
 
 		int current = editor_data.get_edited_scene();
@@ -1454,9 +1455,21 @@ void EditorNode::edit_item(Object *p_object) {
 	}
 
 	if (!sub_plugins.empty()) {
-		_display_top_editors(false);
 
-		_set_top_editors(sub_plugins);
+		bool same = true;
+		if (sub_plugins.size() == editor_plugins_over->get_plugins_list().size()) {
+			for (int i = 0; i < sub_plugins.size(); i++) {
+				if (sub_plugins[i] != editor_plugins_over->get_plugins_list()[i]) {
+					same = false;
+				}
+			}
+		} else {
+			same = false;
+		}
+		if (!same) {
+			_display_top_editors(false);
+			_set_top_editors(sub_plugins);
+		}
 		_set_editing_top_editors(p_object);
 		_display_top_editors(true);
 	} else {
@@ -1887,7 +1900,8 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 				break;
 			}
 
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case SCENE_TAB_CLOSE:
 		case FILE_SAVE_SCENE: {
 
@@ -1906,8 +1920,8 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 
 				break;
 			}
-			// fallthrough to save_as
-		};
+			FALLTHROUGH;
+		}
 		case FILE_SAVE_AS_SCENE: {
 			int scene_idx = (p_option == FILE_SAVE_SCENE || p_option == FILE_SAVE_AS_SCENE) ? -1 : tab_closing;
 
@@ -3338,12 +3352,30 @@ Ref<Texture> EditorNode::get_class_icon(const String &p_class, const String &p_f
 	if (ScriptServer::is_global_class(p_class)) {
 		String icon_path = EditorNode::get_editor_data().script_class_get_icon_path(p_class);
 		RES icon;
+
 		if (FileAccess::exists(icon_path)) {
 			icon = ResourceLoader::load(icon_path);
+			if (icon.is_valid())
+				return icon;
+		}
+
+		Ref<Script> script = ResourceLoader::load(ScriptServer::get_global_class_path(p_class), "Script");
+
+		while (script.is_valid()) {
+			String current_icon_path;
+			script->get_language()->get_global_class_name(script->get_path(), NULL, &current_icon_path);
+			if (FileAccess::exists(current_icon_path)) {
+				RES texture = ResourceLoader::load(current_icon_path);
+				if (texture.is_valid())
+					return texture;
+			}
+			script = script->get_base_script();
 		}
-		if (!icon.is_valid()) {
+
+		if (icon.is_null()) {
 			icon = gui_base->get_icon(ScriptServer::get_global_class_base(p_class), "EditorIcons");
 		}
+
 		return icon;
 	}
 
@@ -4220,7 +4252,13 @@ bool EditorNode::are_bottom_panels_hidden() const {
 
 void EditorNode::hide_bottom_panel() {
 
-	_bottom_panel_switch(false, 0);
+	for (int i = 0; i < bottom_panel_items.size(); i++) {
+
+		if (bottom_panel_items[i].control->is_visible()) {
+			_bottom_panel_switch(false, i);
+			break;
+		}
+	}
 }
 
 void EditorNode::make_bottom_panel_item_visible(Control *p_item) {
@@ -4257,7 +4295,7 @@ void EditorNode::remove_bottom_panel_item(Control *p_item) {
 
 		if (bottom_panel_items[i].control == p_item) {
 			if (p_item->is_visible_in_tree()) {
-				_bottom_panel_switch(false, 0);
+				_bottom_panel_switch(false, i);
 			}
 			bottom_panel_vb->remove_child(bottom_panel_items[i].control);
 			bottom_panel_hb_editors->remove_child(bottom_panel_items[i].button);
@@ -4277,6 +4315,10 @@ void EditorNode::_bottom_panel_switch(bool p_enable, int p_idx) {
 
 	ERR_FAIL_INDEX(p_idx, bottom_panel_items.size());
 
+	if (bottom_panel_items[p_idx].control->is_visible() == p_enable) {
+		return;
+	}
+
 	if (p_enable) {
 		for (int i = 0; i < bottom_panel_items.size(); i++) {
 
@@ -4297,11 +4339,8 @@ void EditorNode::_bottom_panel_switch(bool p_enable, int p_idx) {
 
 	} else {
 		bottom_panel->add_style_override("panel", gui_base->get_stylebox("panel", "TabContainer"));
-		for (int i = 0; i < bottom_panel_items.size(); i++) {
-
-			bottom_panel_items[i].button->set_pressed(false);
-			bottom_panel_items[i].control->set_visible(false);
-		}
+		bottom_panel_items[p_idx].button->set_pressed(false);
+		bottom_panel_items[p_idx].control->set_visible(false);
 		center_split->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN);
 		center_split->set_collapsed(true);
 		bottom_panel_raise->hide();
@@ -5073,7 +5112,7 @@ EditorNode::EditorNode() {
 	EDITOR_DEF("interface/inspector/horizontal_vector2_editing", false);
 	EDITOR_DEF("interface/inspector/horizontal_vector_types_editing", true);
 	EDITOR_DEF("interface/inspector/open_resources_in_current_inspector", true);
-	EDITOR_DEF("interface/inspector/resources_types_to_open_in_new_inspector", "SpatialMaterial,Script");
+	EDITOR_DEF("interface/inspector/resources_to_open_in_new_inspector", "SpatialMaterial,Script,MeshLibrary,TileSet");
 	EDITOR_DEF("run/auto_save/save_before_running", true);
 
 	theme_base = memnew(Control);
@@ -5876,6 +5915,7 @@ EditorNode::EditorNode() {
 	add_editor_plugin(memnew(SpriteEditorPlugin(this)));
 	add_editor_plugin(memnew(Skeleton2DEditorPlugin(this)));
 	add_editor_plugin(memnew(ParticlesEditorPlugin(this)));
+	add_editor_plugin(memnew(CPUParticles2DEditorPlugin(this)));
 	add_editor_plugin(memnew(CPUParticlesEditorPlugin(this)));
 	add_editor_plugin(memnew(ResourcePreloaderEditorPlugin(this)));
 	add_editor_plugin(memnew(ItemListEditorPlugin(this)));
diff --git a/editor/editor_plugin.cpp b/editor/editor_plugin.cpp
index c2493729a3..8af4ee8017 100644
--- a/editor/editor_plugin.cpp
+++ b/editor/editor_plugin.cpp
@@ -240,6 +240,10 @@ bool EditorInterface::is_plugin_enabled(const String &p_plugin) const {
 	return EditorNode::get_singleton()->is_addon_plugin_enabled(p_plugin);
 }
 
+EditorInspector *EditorInterface::get_inspector() const {
+	return EditorNode::get_singleton()->get_inspector();
+}
+
 Error EditorInterface::save_scene() {
 	if (!get_edited_scene_root())
 		return ERR_CANT_CREATE;
@@ -279,6 +283,8 @@ void EditorInterface::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_plugin_enabled", "plugin", "enabled"), &EditorInterface::set_plugin_enabled);
 	ClassDB::bind_method(D_METHOD("is_plugin_enabled", "plugin"), &EditorInterface::is_plugin_enabled);
 
+	ClassDB::bind_method(D_METHOD("get_inspector"), &EditorInterface::get_inspector);
+
 	ClassDB::bind_method(D_METHOD("save_scene"), &EditorInterface::save_scene);
 	ClassDB::bind_method(D_METHOD("save_scene_as", "path", "with_preview"), &EditorInterface::save_scene_as, DEFVAL(true));
 }
diff --git a/editor/editor_plugin.h b/editor/editor_plugin.h
index 3e41bb5612..2fcc487377 100644
--- a/editor/editor_plugin.h
+++ b/editor/editor_plugin.h
@@ -95,6 +95,8 @@ public:
 	void set_plugin_enabled(const String &p_plugin, bool p_enabled);
 	bool is_plugin_enabled(const String &p_plugin) const;
 
+	EditorInspector *get_inspector() const;
+
 	Error save_scene();
 	void save_scene_as(const String &p_scene, bool p_with_preview = true);
 
diff --git a/editor/editor_properties.cpp b/editor/editor_properties.cpp
index 2b8d5bf6c9..c13a4a5a5e 100644
--- a/editor/editor_properties.cpp
+++ b/editor/editor_properties.cpp
@@ -1982,6 +1982,8 @@ void EditorPropertyResource::_file_selected(const String &p_path) {
 
 	RES res = ResourceLoader::load(p_path);
 
+	ERR_FAIL_COND(res.is_null());
+
 	List<PropertyInfo> prop_list;
 	get_edited_object()->get_property_list(&prop_list);
 	String property_types;
@@ -2190,7 +2192,7 @@ void EditorPropertyResource::_menu_option(int p_which) {
 			Object *obj = NULL;
 
 			if (ScriptServer::is_global_class(intype)) {
-				obj = ClassDB::instance(ScriptServer::get_global_class_base(intype));
+				obj = ClassDB::instance(ScriptServer::get_global_class_native_base(intype));
 				if (obj) {
 					Ref<Script> script = ResourceLoader::load(ScriptServer::get_global_class_path(intype));
 					if (script.is_valid()) {
@@ -2540,6 +2542,7 @@ void EditorPropertyResource::update_property() {
 				sub_inspector->edit(res.ptr());
 			}
 
+			sub_inspector->refresh();
 		} else {
 			if (sub_inspector) {
 				set_bottom_editor(NULL);
@@ -3211,12 +3214,11 @@ bool EditorInspectorDefaultPlugin::parse_property(Object *p_object, Variant::Typ
 			editor->setup(p_hint == PROPERTY_HINT_RESOURCE_TYPE ? p_hint_text : "Resource");
 
 			if (p_hint == PROPERTY_HINT_RESOURCE_TYPE) {
-				String open_in_new = EDITOR_GET("interface/inspector/resources_types_to_open_in_new_inspector");
+				String open_in_new = EDITOR_GET("interface/inspector/resources_to_open_in_new_inspector");
 				for (int i = 0; i < open_in_new.get_slice_count(","); i++) {
 					String type = open_in_new.get_slicec(',', i).strip_edges();
 					for (int j = 0; j < p_hint_text.get_slice_count(","); j++) {
 						String inherits = p_hint_text.get_slicec(',', j);
-
 						if (ClassDB::is_parent_class(inherits, type)) {
 
 							editor->set_use_sub_inspector(false);
diff --git a/editor/editor_resource_preview.cpp b/editor/editor_resource_preview.cpp
index 9345ea6b6f..173333dac9 100644
--- a/editor/editor_resource_preview.cpp
+++ b/editor/editor_resource_preview.cpp
@@ -188,6 +188,7 @@ void EditorResourcePreview::_generate_preview(Ref<ImageTexture> &r_texture, Ref<
 
 void EditorResourcePreview::_thread() {
 
+#ifndef SERVER_ENABLED
 	while (!exit) {
 
 		preview_sem->wait();
@@ -313,7 +314,7 @@ void EditorResourcePreview::_thread() {
 			preview_mutex->unlock();
 		}
 	}
-
+#endif
 	exited = true;
 }
 
diff --git a/editor/editor_settings.cpp b/editor/editor_settings.cpp
index 94473cb989..5c257b86db 100644
--- a/editor/editor_settings.cpp
+++ b/editor/editor_settings.cpp
@@ -190,6 +190,11 @@ void EditorSettings::_get_property_list(List<PropertyInfo> *p_list) const {
 		vc.order = v->order;
 		vc.type = v->variant.get_type();
 		vc.save = v->save;
+		/*if (vc.save) { this should be implemented, but lets do after 3.1 is out.
+			if (v->initial.get_type() != Variant::NIL && v->initial == v->variant) {
+				vc.save = false;
+			}
+		}*/
 		vc.restart_if_changed = v->restart_if_changed;
 
 		vclist.insert(vc);
@@ -327,23 +332,25 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 
 	// Theme
 	_initial_set("interface/theme/preset", "Default");
-	hints["interface/theme/preset"] = PropertyInfo(Variant::STRING, "interface/theme/preset", PROPERTY_HINT_ENUM, "Default,Alien,Arc,Godot 2,Grey,Light,Solarized (Dark),Solarized (Light),Custom", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/preset"] = PropertyInfo(Variant::STRING, "interface/theme/preset", PROPERTY_HINT_ENUM, "Default,Alien,Arc,Godot 2,Grey,Light,Solarized (Dark),Solarized (Light),Custom", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/icon_and_font_color", 0);
-	hints["interface/theme/icon_and_font_color"] = PropertyInfo(Variant::INT, "interface/theme/icon_and_font_color", PROPERTY_HINT_ENUM, "Auto,Dark,Light", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/icon_and_font_color"] = PropertyInfo(Variant::INT, "interface/theme/icon_and_font_color", PROPERTY_HINT_ENUM, "Auto,Dark,Light", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/base_color", Color::html("#323b4f"));
-	hints["interface/theme/accent_color"] = PropertyInfo(Variant::COLOR, "interface/theme/accent_color", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/base_color"] = PropertyInfo(Variant::COLOR, "interface/theme/base_color", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/accent_color", Color::html("#699ce8"));
-	hints["interface/theme/base_color"] = PropertyInfo(Variant::COLOR, "interface/theme/base_color", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/accent_color"] = PropertyInfo(Variant::COLOR, "interface/theme/accent_color", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/contrast", 0.25);
 	hints["interface/theme/contrast"] = PropertyInfo(Variant::REAL, "interface/theme/contrast", PROPERTY_HINT_RANGE, "0.01, 1, 0.01");
+	_initial_set("interface/theme/relationship_line_opacity", 0.1);
+	hints["interface/theme/relationship_line_opacity"] = PropertyInfo(Variant::REAL, "interface/theme/relationship_line_opacity", PROPERTY_HINT_RANGE, "0.00, 1, 0.01");
 	_initial_set("interface/theme/highlight_tabs", false);
 	_initial_set("interface/theme/border_size", 1);
 	_initial_set("interface/theme/use_graph_node_headers", false);
-	hints["interface/theme/border_size"] = PropertyInfo(Variant::INT, "interface/theme/border_size", PROPERTY_HINT_RANGE, "0,2,1", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/border_size"] = PropertyInfo(Variant::INT, "interface/theme/border_size", PROPERTY_HINT_RANGE, "0,2,1", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/additional_spacing", 0);
-	hints["interface/theme/additional_spacing"] = PropertyInfo(Variant::REAL, "interface/theme/additional_spacing", PROPERTY_HINT_RANGE, "0,5,0.1", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/additional_spacing"] = PropertyInfo(Variant::REAL, "interface/theme/additional_spacing", PROPERTY_HINT_RANGE, "0,5,0.1", PROPERTY_USAGE_DEFAULT);
 	_initial_set("interface/theme/custom_theme", "");
-	hints["interface/theme/custom_theme"] = PropertyInfo(Variant::STRING, "interface/theme/custom_theme", PROPERTY_HINT_GLOBAL_FILE, "*.res,*.tres,*.theme", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
+	hints["interface/theme/custom_theme"] = PropertyInfo(Variant::STRING, "interface/theme/custom_theme", PROPERTY_HINT_GLOBAL_FILE, "*.res,*.tres,*.theme", PROPERTY_USAGE_DEFAULT);
 
 	// Scene tabs
 	_initial_set("interface/scene_tabs/show_extension", false);
@@ -385,8 +392,6 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 
 	// SceneTree
 	_initial_set("docks/scene_tree/start_create_dialog_fully_expanded", false);
-	_initial_set("docks/scene_tree/draw_relationship_lines", true);
-	_initial_set("docks/scene_tree/relationship_line_color", Color::html("464646"));
 
 	// FileSystem
 	_initial_set("docks/filesystem/thumbnail_size", 64);
@@ -402,7 +407,6 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("text_editor/theme/color_theme", "Adaptive");
 	hints["text_editor/theme/color_theme"] = PropertyInfo(Variant::STRING, "text_editor/theme/color_theme", PROPERTY_HINT_ENUM, "Adaptive,Default,Custom");
 	_initial_set("text_editor/theme/line_spacing", 6);
-	_initial_set("text_editor/theme/selection_color", Color::html("40808080"));
 
 	_load_default_text_editor_theme();
 
@@ -630,7 +634,7 @@ void EditorSettings::_load_default_text_editor_theme() {
 	_initial_set("text_editor/highlighting/caret_color", Color::html("aaaaaa"));
 	_initial_set("text_editor/highlighting/caret_background_color", Color::html("000000"));
 	_initial_set("text_editor/highlighting/text_selected_color", Color::html("000000"));
-	_initial_set("text_editor/highlighting/selection_color", Color::html("6ca9c2"));
+	_initial_set("text_editor/highlighting/selection_color", Color::html("5a699ce8"));
 	_initial_set("text_editor/highlighting/brace_mismatch_color", Color(1, 0.2, 0.2));
 	_initial_set("text_editor/highlighting/current_line_color", Color(0.3, 0.5, 0.8, 0.15));
 	_initial_set("text_editor/highlighting/line_length_guideline_color", Color(0.3, 0.5, 0.8, 0.1));
diff --git a/editor/editor_themes.cpp b/editor/editor_themes.cpp
index bc42a3f23b..c930824b98 100644
--- a/editor/editor_themes.cpp
+++ b/editor/editor_themes.cpp
@@ -238,16 +238,17 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	const float default_contrast = 0.25;
 
 	//Theme settings
-	Color accent_color = EDITOR_DEF("interface/theme/accent_color", Color::html("#699ce8"));
-	Color base_color = EDITOR_DEF("interface/theme/base_color", Color::html("#323b4f"));
-	float contrast = EDITOR_DEF("interface/theme/contrast", default_contrast);
+	Color accent_color = EDITOR_GET("interface/theme/accent_color");
+	Color base_color = EDITOR_GET("interface/theme/base_color");
+	float contrast = EDITOR_GET("interface/theme/contrast");
+	float relationship_line_opacity = EDITOR_GET("interface/theme/relationship_line_opacity");
 
-	String preset = EDITOR_DEF("interface/theme/preset", "Default");
+	String preset = EDITOR_GET("interface/theme/preset");
 
-	bool highlight_tabs = EDITOR_DEF("interface/theme/highlight_tabs", false);
-	int border_size = EDITOR_DEF("interface/theme/border_size", 1);
+	bool highlight_tabs = EDITOR_GET("interface/theme/highlight_tabs");
+	int border_size = EDITOR_GET("interface/theme/border_size");
 
-	bool use_gn_headers = EDITOR_DEF("interface/theme/use_graph_node_headers", false);
+	bool use_gn_headers = EDITOR_GET("interface/theme/use_graph_node_headers");
 
 	Color preset_accent_color;
 	Color preset_base_color;
@@ -260,9 +261,9 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 		preset_base_color = Color::html("#323b4f");
 		preset_contrast = default_contrast;
 	} else if (preset == "Custom") {
-		accent_color = EDITOR_DEF("interface/theme/accent_color", Color::html("#699ce8"));
-		base_color = EDITOR_DEF("interface/theme/base_color", Color::html("#323b4f"));
-		contrast = EDITOR_DEF("interface/theme/contrast", default_contrast);
+		accent_color = EDITOR_GET("interface/theme/accent_color");
+		base_color = EDITOR_GET("interface/theme/base_color");
+		contrast = EDITOR_GET("interface/theme/contrast");
 	} else if (preset == "Alien") {
 		preset_accent_color = Color::html("#1bfe99");
 		preset_base_color = Color::html("#2f373f");
@@ -328,7 +329,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	const Color font_color = mono_color.linear_interpolate(base_color, 0.25);
 	const Color font_color_hl = mono_color.linear_interpolate(base_color, 0.15);
 	const Color font_color_disabled = Color(mono_color.r, mono_color.g, mono_color.b, 0.3);
-	const Color font_color_selection = Color::html("#7d7d7d");
+	const Color font_color_selection = accent_color * Color(1, 1, 1, 0.4);
 	const Color color_disabled = mono_color.inverted().linear_interpolate(base_color, 0.7);
 	const Color color_disabled_bg = mono_color.inverted().linear_interpolate(base_color, 0.9);
 
@@ -368,7 +369,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_color("error_color", "Editor", error_color);
 	theme->set_color("property_color", "Editor", property_color);
 
-	const int thumb_size = EDITOR_DEF("filesystem/file_dialog/thumbnail_size", 64);
+	const int thumb_size = EDITOR_GET("filesystem/file_dialog/thumbnail_size");
 	theme->set_constant("scale", "Editor", EDSCALE);
 	theme->set_constant("thumb_size", "Editor", thumb_size);
 	theme->set_constant("dark_theme", "Editor", dark_theme);
@@ -660,6 +661,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_stylebox("bg", "Tree", style_tree_bg);
 
 	const Color guide_color = Color(mono_color.r, mono_color.g, mono_color.b, 0.05);
+	Color relationship_line_color = Color(mono_color.r, mono_color.g, mono_color.b, relationship_line_opacity);
 	// Tree
 	theme->set_icon("checked", "Tree", theme->get_icon("GuiChecked", "EditorIcons"));
 	theme->set_icon("unchecked", "Tree", theme->get_icon("GuiUnchecked", "EditorIcons"));
@@ -678,13 +680,15 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_color("font_color_selected", "Tree", mono_color);
 	theme->set_color("title_button_color", "Tree", font_color);
 	theme->set_color("guide_color", "Tree", guide_color);
+	theme->set_color("relationship_line_color", "Tree", relationship_line_color);
 	theme->set_color("drop_position_color", "Tree", accent_color);
 	theme->set_constant("vseparation", "Tree", (extra_spacing + default_margin_size) * EDSCALE);
 	theme->set_constant("hseparation", "Tree", (extra_spacing + default_margin_size) * EDSCALE);
 	theme->set_constant("guide_width", "Tree", border_width);
 	theme->set_constant("item_margin", "Tree", 3 * default_margin_size * EDSCALE);
 	theme->set_constant("button_margin", "Tree", default_margin_size * EDSCALE);
-	theme->set_constant("draw_relationship_lines", "Tree", 0);
+	theme->set_constant("draw_relationship_lines", "Tree", relationship_line_opacity >= 0.01);
+	theme->set_constant("draw_guides", "Tree", relationship_line_opacity < 0.01);
 	theme->set_constant("scroll_border", "Tree", default_margin_size * EDSCALE);
 	theme->set_constant("scroll_speed", "Tree", 12);
 
@@ -817,6 +821,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_stylebox("read_only", "LineEdit", style_widget_disabled);
 	theme->set_color("read_only", "LineEdit", font_color_disabled);
 	theme->set_color("font_color", "LineEdit", font_color);
+	theme->set_color("font_color_selected", "LineEdit", mono_color);
 	theme->set_color("cursor_color", "LineEdit", font_color);
 	theme->set_color("selection_color", "LineEdit", font_color_selection);
 	theme->set_color("clear_button_color", "LineEdit", font_color);
@@ -1101,7 +1106,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	const Color caret_color = mono_color;
 	const Color caret_background_color = mono_color.inverted();
 	const Color text_selected_color = dark_color_3;
-	const Color selection_color = alpha2;
+	const Color selection_color = accent_color * Color(1, 1, 1, 0.35);
 	const Color brace_mismatch_color = error_color;
 	const Color current_line_color = alpha1;
 	const Color line_length_guideline_color = dark_theme ? base_color : background_color;
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index b5d9071199..c99786bb07 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -2280,7 +2280,7 @@ void FileSystemDock::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_file_list_activate_file"), &FileSystemDock::_file_list_activate_file);
 	ClassDB::bind_method(D_METHOD("_tree_activate_file"), &FileSystemDock::_tree_activate_file);
 	ClassDB::bind_method(D_METHOD("_select_file"), &FileSystemDock::_select_file);
-	ClassDB::bind_method(D_METHOD("_navigate_to_path"), &FileSystemDock::_navigate_to_path);
+	ClassDB::bind_method(D_METHOD("_navigate_to_path"), &FileSystemDock::_navigate_to_path, DEFVAL(false));
 	ClassDB::bind_method(D_METHOD("_toggle_file_display"), &FileSystemDock::_toggle_file_display);
 	ClassDB::bind_method(D_METHOD("_fw_history"), &FileSystemDock::_fw_history);
 	ClassDB::bind_method(D_METHOD("_bw_history"), &FileSystemDock::_bw_history);
diff --git a/editor/icons/icon_issue.svg b/editor/icons/icon_issue.svg
new file mode 100644
index 0000000000..73e21a9b68
--- /dev/null
+++ b/editor/icons/icon_issue.svg
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   version="1.1"
+   viewBox="0 0 16 16"
+   id="svg6"
+   sodipodi:docname="icon_issue.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="2242"
+     inkscape:window-height="1224"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="29.5"
+     inkscape:cx="0.93716338"
+     inkscape:cy="15.746557"
+     inkscape:window-x="134"
+     inkscape:window-y="55"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg6" />
+  <g
+     transform="translate(0 -1036.4)"
+     id="g4" />
+  <g
+     aria-label="!"
+     transform="matrix(1.2172834,0,0,0.60107067,0.478728,1.8392137)"
+     style="font-style:normal;font-weight:normal;font-size:19.68510056px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#e0e0e0;fill-opacity:1;stroke:none;stroke-width:0.92273909"
+     id="text3719">
+    <path
+       d="M 5.2902433,14.98657 H 7.241452 v 2.441414 H 5.2902433 Z m 0,-11.909101 H 7.241452 V 9.3732409 L 7.0492147,12.804677 H 5.4920925 L 5.2902433,9.3732409 Z"
+       style="fill:#e0e0e0;fill-opacity:1;stroke-width:0.92273909"
+       id="path10"
+       inkscape:connector-curvature="0" />
+  </g>
+  <path
+     style="fill:#e0e0e0;fill-opacity:1;stroke-width:0.88671917"
+     d="M 8.0503291,1.1522775 A 6.8983747,6.8983747 0 0 0 1.1522775,8.0503291 6.8983747,6.8983747 0 0 0 8.0503291,14.950113 6.8983747,6.8983747 0 0 0 14.950113,8.0503291 6.8983747,6.8983747 0 0 0 8.0503291,1.1522775 Z M 8.0208873,2.2953139 A 5.6659852,5.6659852 0 0 1 13.687577,7.9602717 5.6659852,5.6659852 0 0 1 8.0208873,13.626961 5.6659852,5.6659852 0 0 1 2.3541977,7.9602717 5.6659852,5.6659852 0 0 1 8.0208873,2.2953139 Z"
+     id="path4526"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/editor/import/editor_scene_importer_gltf.cpp b/editor/import/editor_scene_importer_gltf.cpp
index 7032146229..e6e29df133 100644
--- a/editor/import/editor_scene_importer_gltf.cpp
+++ b/editor/import/editor_scene_importer_gltf.cpp
@@ -237,8 +237,7 @@ Error EditorSceneImporterGLTF::_parse_nodes(GLTFState &state) {
 				node->scale = _arr_to_vec3(n["scale"]);
 			}
 
-			node->xform.basis = Basis(node->rotation);
-			node->xform.basis.scale(node->scale);
+			node->xform.basis.set_quat_scale(node->rotation, node->scale);
 			node->xform.origin = node->translation;
 		}
 
@@ -1698,6 +1697,22 @@ void EditorSceneImporterGLTF::_assign_scene_names(GLTFState &state) {
 	}
 }
 
+void EditorSceneImporterGLTF::_reparent_skeleton(GLTFState &state, int p_node, Vector<Skeleton *> &skeletons, Node *p_parent_node) {
+	//reparent skeletons to proper place
+	Vector<int> nodes = state.skeleton_nodes[p_node];
+	for (int i = 0; i < nodes.size(); i++) {
+		Skeleton *skeleton = skeletons[nodes[i]];
+		Node *owner = skeleton->get_owner();
+		skeleton->get_parent()->remove_child(skeleton);
+		p_parent_node->add_child(skeleton);
+		skeleton->set_owner(owner);
+		//may have meshes as children, set owner in them too
+		for (int j = 0; j < skeleton->get_child_count(); j++) {
+			skeleton->get_child(j)->set_owner(owner);
+		}
+	}
+}
+
 void EditorSceneImporterGLTF::_generate_node(GLTFState &state, int p_node, Node *p_parent, Node *p_owner, Vector<Skeleton *> &skeletons) {
 	ERR_FAIL_INDEX(p_node, state.nodes.size());
 
@@ -1769,24 +1784,17 @@ void EditorSceneImporterGLTF::_generate_node(GLTFState &state, int p_node, Node
 			_generate_node(state, n->children[i], node, p_owner, skeletons);
 		}
 	}
+
+	if (state.skeleton_nodes.has(p_node)) {
+		_reparent_skeleton(state, p_node, skeletons, node);
+	}
 }
 
 void EditorSceneImporterGLTF::_generate_bone(GLTFState &state, int p_node, Vector<Skeleton *> &skeletons, Node *p_parent_node) {
 	ERR_FAIL_INDEX(p_node, state.nodes.size());
 
 	if (state.skeleton_nodes.has(p_node)) {
-		//reparent skeletons to proper place
-		Vector<int> nodes = state.skeleton_nodes[p_node];
-		for (int i = 0; i < nodes.size(); i++) {
-			Node *owner = skeletons[i]->get_owner();
-			skeletons[i]->get_parent()->remove_child(skeletons[i]);
-			p_parent_node->add_child(skeletons[i]);
-			skeletons[i]->set_owner(owner);
-			//may have meshes as children, set owner in them too
-			for (int j = 0; j < skeletons[i]->get_child_count(); j++) {
-				skeletons[i]->get_child(j)->set_owner(owner);
-			}
-		}
+		_reparent_skeleton(state, p_node, skeletons, p_parent_node);
 	}
 
 	GLTFNode *n = state.nodes[p_node];
diff --git a/editor/import/editor_scene_importer_gltf.h b/editor/import/editor_scene_importer_gltf.h
index 0dff45abaf..ebf20e122a 100644
--- a/editor/import/editor_scene_importer_gltf.h
+++ b/editor/import/editor_scene_importer_gltf.h
@@ -310,6 +310,7 @@ class EditorSceneImporterGLTF : public EditorSceneImporter {
 	Vector<Basis> _decode_accessor_as_basis(GLTFState &state, int p_accessor, bool p_for_vertex);
 	Vector<Transform> _decode_accessor_as_xform(GLTFState &state, int p_accessor, bool p_for_vertex);
 
+	void _reparent_skeleton(GLTFState &state, int p_node, Vector<Skeleton *> &skeletons, Node *p_parent_node);
 	void _generate_bone(GLTFState &state, int p_node, Vector<Skeleton *> &skeletons, Node *p_parent_node);
 	void _generate_node(GLTFState &state, int p_node, Node *p_parent, Node *p_owner, Vector<Skeleton *> &skeletons);
 	void _import_animation(GLTFState &state, AnimationPlayer *ap, int index, int bake_fps, Vector<Skeleton *> skeletons);
diff --git a/editor/import/resource_importer_scene.cpp b/editor/import/resource_importer_scene.cpp
index 5eb1d2ec6c..fb2e3c0401 100644
--- a/editor/import/resource_importer_scene.cpp
+++ b/editor/import/resource_importer_scene.cpp
@@ -942,6 +942,7 @@ void ResourceImporterScene::_make_external_resources(Node *p_node, const String
 									old_anim->copy_track(i, anim);
 								}
 							}
+							anim->set_loop(old_anim->has_loop());
 						}
 					}
 
diff --git a/editor/import/resource_importer_texture.cpp b/editor/import/resource_importer_texture.cpp
index 631b2359c5..d72de3de48 100644
--- a/editor/import/resource_importer_texture.cpp
+++ b/editor/import/resource_importer_texture.cpp
@@ -505,7 +505,7 @@ Error ResourceImporterTexture::import(const String &p_source_file, const String
 
 		if (ProjectSettings::get_singleton()->get("rendering/vram_compression/import_etc2")) {
 
-			_save_stex(image, p_save_path + ".etc2.stex", compress_mode, lossy, Image::COMPRESS_ETC2, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, false);
+			_save_stex(image, p_save_path + ".etc2.stex", compress_mode, lossy, Image::COMPRESS_ETC2, mipmaps, tex_flags, stream, detect_3d, detect_srgb, force_rgbe, detect_normal, force_normal, true);
 			r_platform_variants->push_back("etc2");
 			formats_imported.push_back("etc2");
 		}
diff --git a/editor/plugins/abstract_polygon_2d_editor.cpp b/editor/plugins/abstract_polygon_2d_editor.cpp
index 28f786e99a..4a4e7f25b8 100644
--- a/editor/plugins/abstract_polygon_2d_editor.cpp
+++ b/editor/plugins/abstract_polygon_2d_editor.cpp
@@ -638,6 +638,13 @@ void AbstractPolygon2DEditor::forward_canvas_draw_over_viewport(Control *p_overl
 
 			const Color modulate = vertex == active_point ? Color(0.5, 1, 2) : Color(1, 1, 1);
 			p_overlay->draw_texture(handle, point - handle->get_size() * 0.5, modulate);
+
+			if (vertex == hover_point) {
+				Ref<Font> font = get_font("font", "Label");
+				String num = String::num(vertex.vertex);
+				Size2 num_size = font->get_string_size(num);
+				p_overlay->draw_string(font, point - num_size * 0.5, num, Color(1.0, 1.0, 1.0, 0.5));
+			}
 		}
 	}
 
diff --git a/editor/plugins/asset_library_editor_plugin.cpp b/editor/plugins/asset_library_editor_plugin.cpp
index a9e9607bc5..6d2cdfc583 100644
--- a/editor/plugins/asset_library_editor_plugin.cpp
+++ b/editor/plugins/asset_library_editor_plugin.cpp
@@ -818,7 +818,7 @@ void EditorAssetLibrary::_image_request_completed(int p_status, int p_code, cons
 		_image_update(p_code == HTTPClient::RESPONSE_NOT_MODIFIED, true, p_data, p_queue_id);
 
 	} else {
-		// WARN_PRINTS("Error getting image file from URL: " + image_queue[p_queue_id].image_url);
+		WARN_PRINTS("Error getting image file from URL: " + image_queue[p_queue_id].image_url);
 		Object *obj = ObjectDB::get_instance(image_queue[p_queue_id].target);
 		if (obj) {
 			obj->call("set_image", image_queue[p_queue_id].image_type, image_queue[p_queue_id].image_index, get_icon("DefaultProjectIcon", "EditorIcons"));
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index ac05b03ed2..11eec528c7 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -2261,6 +2261,7 @@ void CanvasItemEditor::_gui_input_viewport(const Ref<InputEvent> &p_event) {
 			break;
 		case DRAG_PAN:
 			c = CURSOR_DRAG;
+			break;
 		default:
 			break;
 	}
@@ -2597,6 +2598,7 @@ void CanvasItemEditor::_draw_control_helpers(Control *control) {
 			case DRAG_TOP_LEFT:
 			case DRAG_BOTTOM_LEFT:
 				_draw_margin_at_position(control->get_size().width, parent_transform.xform(Vector2((node_pos_in_parent[0] + node_pos_in_parent[2]) / 2, node_pos_in_parent[3])) + Vector2(0, 5), MARGIN_BOTTOM);
+				FALLTHROUGH;
 			case DRAG_MOVE:
 				start = Vector2(node_pos_in_parent[0], Math::lerp(node_pos_in_parent[1], node_pos_in_parent[3], ratio));
 				end = start - Vector2(control->get_margin(MARGIN_LEFT), 0);
@@ -2611,6 +2613,7 @@ void CanvasItemEditor::_draw_control_helpers(Control *control) {
 			case DRAG_TOP_RIGHT:
 			case DRAG_BOTTOM_RIGHT:
 				_draw_margin_at_position(control->get_size().width, parent_transform.xform(Vector2((node_pos_in_parent[0] + node_pos_in_parent[2]) / 2, node_pos_in_parent[3])) + Vector2(0, 5), MARGIN_BOTTOM);
+				FALLTHROUGH;
 			case DRAG_MOVE:
 				start = Vector2(node_pos_in_parent[2], Math::lerp(node_pos_in_parent[3], node_pos_in_parent[1], ratio));
 				end = start - Vector2(control->get_margin(MARGIN_RIGHT), 0);
@@ -2625,6 +2628,7 @@ void CanvasItemEditor::_draw_control_helpers(Control *control) {
 			case DRAG_TOP_LEFT:
 			case DRAG_TOP_RIGHT:
 				_draw_margin_at_position(control->get_size().height, parent_transform.xform(Vector2(node_pos_in_parent[2], (node_pos_in_parent[1] + node_pos_in_parent[3]) / 2)) + Vector2(5, 0), MARGIN_RIGHT);
+				FALLTHROUGH;
 			case DRAG_MOVE:
 				start = Vector2(Math::lerp(node_pos_in_parent[0], node_pos_in_parent[2], ratio), node_pos_in_parent[1]);
 				end = start - Vector2(0, control->get_margin(MARGIN_TOP));
@@ -2639,6 +2643,7 @@ void CanvasItemEditor::_draw_control_helpers(Control *control) {
 			case DRAG_BOTTOM_LEFT:
 			case DRAG_BOTTOM_RIGHT:
 				_draw_margin_at_position(control->get_size().height, parent_transform.xform(Vector2(node_pos_in_parent[2], (node_pos_in_parent[1] + node_pos_in_parent[3]) / 2) + Vector2(5, 0)), MARGIN_RIGHT);
+				FALLTHROUGH;
 			case DRAG_MOVE:
 				start = Vector2(Math::lerp(node_pos_in_parent[2], node_pos_in_parent[0], ratio), node_pos_in_parent[3]);
 				end = start - Vector2(0, control->get_margin(MARGIN_BOTTOM));
@@ -2828,13 +2833,20 @@ void CanvasItemEditor::_draw_selection() {
 		Point2 bsfrom = transform.xform(drag_from);
 		Point2 bsto = transform.xform(box_selecting_to);
 
-		VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(bsfrom, bsto - bsfrom), Color(0.7, 0.7, 1.0, 0.3));
+		VisualServer::get_singleton()->canvas_item_add_rect(
+				ci,
+				Rect2(bsfrom, bsto - bsfrom),
+				get_color("accent_color", "Editor") * Color(1, 1, 1, 0.375));
 	}
 
-	Color rotate_color(0.4, 0.7, 1.0, 0.8);
 	if (drag_type == DRAG_ROTATE) {
 		// Draw the line when rotating a node
-		viewport->draw_line(transform.xform(drag_rotation_center), transform.xform(drag_to), rotate_color);
+		viewport->draw_line(
+				transform.xform(drag_rotation_center),
+				transform.xform(drag_to),
+				get_color("accent_color", "Editor") * Color(1, 1, 1, 0.6),
+				Math::round(2 * EDSCALE),
+				true);
 	}
 }
 
@@ -4144,6 +4156,14 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			_focus_selection(p_op);
 
 		} break;
+		case PREVIEW_CANVAS_SCALE: {
+
+			bool preview = view_menu->get_popup()->is_item_checked(view_menu->get_popup()->get_item_index(PREVIEW_CANVAS_SCALE));
+			preview = !preview;
+			VS::get_singleton()->canvas_set_disable_scale(!preview);
+			view_menu->get_popup()->set_item_checked(view_menu->get_popup()->get_item_index(PREVIEW_CANVAS_SCALE), preview);
+
+		} break;
 		case SKELETON_MAKE_BONES: {
 
 			Map<Node *, Object *> &selection = editor_selection->get_selection();
@@ -4162,6 +4182,7 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 				if (!skeleton_show_bones)
 					skeleton_menu->get_popup()->activate_item(skeleton_menu->get_popup()->get_item_index(SKELETON_SHOW_BONES));
 			}
+			_queue_update_bone_list();
 			viewport->update();
 
 		} break;
@@ -4181,6 +4202,7 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 				if (!skeleton_show_bones)
 					skeleton_menu->get_popup()->activate_item(skeleton_menu->get_popup()->get_item_index(SKELETON_SHOW_BONES));
 			}
+			_queue_update_bone_list();
 			viewport->update();
 
 		} break;
@@ -4817,6 +4839,8 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
 	p->add_separator();
 	p->add_shortcut(ED_SHORTCUT("canvas_item_editor/center_selection", TTR("Center Selection"), KEY_F), VIEW_CENTER_TO_SELECTION);
 	p->add_shortcut(ED_SHORTCUT("canvas_item_editor/frame_selection", TTR("Frame Selection"), KEY_MASK_SHIFT | KEY_F), VIEW_FRAME_TO_SELECTION);
+	p->add_separator();
+	p->add_check_shortcut(ED_SHORTCUT("canvas_item_editor/preview_canvas_scale", TTR("Preview Canvas Scale"), KEY_MASK_SHIFT | KEY_MASK_CMD | KEY_P), PREVIEW_CANVAS_SCALE);
 
 	presets_menu = memnew(MenuButton);
 	presets_menu->set_text(TTR("Layout"));
@@ -4922,7 +4946,6 @@ void CanvasItemEditorPlugin::make_visible(bool p_visible) {
 		canvas_item_editor->show();
 		canvas_item_editor->set_physics_process(true);
 		VisualServer::get_singleton()->viewport_set_hide_canvas(editor->get_scene_root()->get_viewport_rid(), false);
-		canvas_item_editor->viewport->grab_focus();
 
 	} else {
 
@@ -5415,6 +5438,7 @@ CanvasItemEditorViewport::CanvasItemEditorViewport(EditorNode *p_node, CanvasIte
 	label_desc->add_constant_override("line_spacing", 0);
 	label_desc->hide();
 	editor->get_gui_base()->add_child(label_desc);
+	VS::get_singleton()->canvas_set_disable_scale(true);
 }
 
 CanvasItemEditorViewport::~CanvasItemEditorViewport() {
diff --git a/editor/plugins/canvas_item_editor_plugin.h b/editor/plugins/canvas_item_editor_plugin.h
index 7b6563944e..4d8c0282fd 100644
--- a/editor/plugins/canvas_item_editor_plugin.h
+++ b/editor/plugins/canvas_item_editor_plugin.h
@@ -171,6 +171,7 @@ private:
 		ANIM_CLEAR_POSE,
 		VIEW_CENTER_TO_SELECTION,
 		VIEW_FRAME_TO_SELECTION,
+		PREVIEW_CANVAS_SCALE,
 		SKELETON_MAKE_BONES,
 		SKELETON_CLEAR_BONES,
 		SKELETON_SHOW_BONES,
diff --git a/editor/plugins/cpu_particles_2d_editor_plugin.cpp b/editor/plugins/cpu_particles_2d_editor_plugin.cpp
new file mode 100644
index 0000000000..559558cdb8
--- /dev/null
+++ b/editor/plugins/cpu_particles_2d_editor_plugin.cpp
@@ -0,0 +1,307 @@
+/*************************************************************************/
+/*  cpu_particles_2d_editor_plugin.cpp                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "cpu_particles_2d_editor_plugin.h"
+
+#include "canvas_item_editor_plugin.h"
+#include "core/io/image_loader.h"
+#include "scene/2d/cpu_particles_2d.h"
+#include "scene/gui/separator.h"
+#include "scene/resources/particles_material.h"
+
+void CPUParticles2DEditorPlugin::edit(Object *p_object) {
+
+	particles = Object::cast_to<CPUParticles2D>(p_object);
+}
+
+bool CPUParticles2DEditorPlugin::handles(Object *p_object) const {
+
+	return p_object->is_class("CPUParticles2D");
+}
+
+void CPUParticles2DEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+
+		toolbar->show();
+	} else {
+
+		toolbar->hide();
+	}
+}
+
+void CPUParticles2DEditorPlugin::_file_selected(const String &p_file) {
+
+	source_emission_file = p_file;
+	emission_mask->popup_centered_minsize();
+}
+
+void CPUParticles2DEditorPlugin::_menu_callback(int p_idx) {
+
+	switch (p_idx) {
+		case MENU_LOAD_EMISSION_MASK: {
+
+			file->popup_centered_ratio();
+
+		} break;
+		case MENU_CLEAR_EMISSION_MASK: {
+
+			emission_mask->popup_centered_minsize();
+		} break;
+	}
+}
+
+void CPUParticles2DEditorPlugin::_generate_emission_mask() {
+
+	Ref<Image> img;
+	img.instance();
+	Error err = ImageLoader::load_image(source_emission_file, img);
+	ERR_EXPLAIN(TTR("Error loading image:") + " " + source_emission_file);
+	ERR_FAIL_COND(err != OK);
+
+	if (img->is_compressed()) {
+		img->decompress();
+	}
+	img->convert(Image::FORMAT_RGBA8);
+	ERR_FAIL_COND(img->get_format() != Image::FORMAT_RGBA8);
+	Size2i s = Size2(img->get_width(), img->get_height());
+	ERR_FAIL_COND(s.width == 0 || s.height == 0);
+
+	Vector<Point2> valid_positions;
+	Vector<Point2> valid_normals;
+	Vector<uint8_t> valid_colors;
+
+	valid_positions.resize(s.width * s.height);
+
+	EmissionMode emode = (EmissionMode)emission_mask_mode->get_selected();
+
+	if (emode == EMISSION_MODE_BORDER_DIRECTED) {
+		valid_normals.resize(s.width * s.height);
+	}
+
+	bool capture_colors = emission_colors->is_pressed();
+
+	if (capture_colors) {
+		valid_colors.resize(s.width * s.height * 4);
+	}
+
+	int vpc = 0;
+
+	{
+		PoolVector<uint8_t> data = img->get_data();
+		PoolVector<uint8_t>::Read r = data.read();
+
+		for (int i = 0; i < s.width; i++) {
+			for (int j = 0; j < s.height; j++) {
+
+				uint8_t a = r[(j * s.width + i) * 4 + 3];
+
+				if (a > 128) {
+
+					if (emode == EMISSION_MODE_SOLID) {
+
+						if (capture_colors) {
+							valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
+							valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
+							valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
+							valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
+						}
+						valid_positions.write[vpc++] = Point2(i, j);
+
+					} else {
+
+						bool on_border = false;
+						for (int x = i - 1; x <= i + 1; x++) {
+							for (int y = j - 1; y <= j + 1; y++) {
+
+								if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
+									on_border = true;
+									break;
+								}
+							}
+
+							if (on_border)
+								break;
+						}
+
+						if (on_border) {
+							valid_positions.write[vpc] = Point2(i, j);
+
+							if (emode == EMISSION_MODE_BORDER_DIRECTED) {
+								Vector2 normal;
+								for (int x = i - 2; x <= i + 2; x++) {
+									for (int y = j - 2; y <= j + 2; y++) {
+
+										if (x == i && y == j)
+											continue;
+
+										if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
+											normal += Vector2(x - i, y - j).normalized();
+										}
+									}
+								}
+
+								normal.normalize();
+								valid_normals.write[vpc] = normal;
+							}
+
+							if (capture_colors) {
+								valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
+								valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
+								valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
+								valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
+							}
+
+							vpc++;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	valid_positions.resize(vpc);
+	if (valid_normals.size()) {
+		valid_normals.resize(vpc);
+	}
+
+	ERR_EXPLAIN(TTR("No pixels with transparency > 128 in image..."));
+	ERR_FAIL_COND(valid_positions.size() == 0);
+
+	if (capture_colors) {
+		PoolColorArray pca;
+		pca.resize(vpc);
+		PoolColorArray::Write pcaw = pca.write();
+		for (int i = 0; i < vpc; i += 1) {
+			Color color;
+			color.r = valid_colors[i * 4 + 0] / 255.0f;
+			color.g = valid_colors[i * 4 + 1] / 255.0f;
+			color.b = valid_colors[i * 4 + 2] / 255.0f;
+			color.a = valid_colors[i * 4 + 3] / 255.0f;
+			pcaw[i] = color;
+		}
+		particles->set_emission_colors(pca);
+	}
+
+	if (valid_normals.size()) {
+		particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_DIRECTED_POINTS);
+		PoolVector2Array norms;
+		norms.resize(valid_normals.size());
+		PoolVector2Array::Write normsw = norms.write();
+		for (int i = 0; i < valid_normals.size(); i += 1) {
+			normsw[i] = valid_normals[i];
+		}
+		particles->set_emission_normals(norms);
+	} else {
+		particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_POINTS);
+	}
+
+	{
+		PoolVector2Array points;
+		points.resize(valid_positions.size());
+		PoolVector2Array::Write pointsw = points.write();
+		for (int i = 0; i < valid_positions.size(); i += 1) {
+			pointsw[i] = valid_positions[i];
+		}
+		particles->set_emission_points(points);
+	}
+}
+
+void CPUParticles2DEditorPlugin::_notification(int p_what) {
+
+	if (p_what == NOTIFICATION_ENTER_TREE) {
+
+		menu->get_popup()->connect("id_pressed", this, "_menu_callback");
+		menu->set_icon(menu->get_popup()->get_icon("Particles2D", "EditorIcons"));
+		file->connect("file_selected", this, "_file_selected");
+	}
+}
+
+void CPUParticles2DEditorPlugin::_bind_methods() {
+
+	ClassDB::bind_method(D_METHOD("_menu_callback"), &CPUParticles2DEditorPlugin::_menu_callback);
+	ClassDB::bind_method(D_METHOD("_file_selected"), &CPUParticles2DEditorPlugin::_file_selected);
+	ClassDB::bind_method(D_METHOD("_generate_emission_mask"), &CPUParticles2DEditorPlugin::_generate_emission_mask);
+}
+
+CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin(EditorNode *p_node) {
+
+	particles = NULL;
+	editor = p_node;
+	undo_redo = editor->get_undo_redo();
+
+	toolbar = memnew(HBoxContainer);
+	add_control_to_container(CONTAINER_CANVAS_EDITOR_MENU, toolbar);
+	toolbar->hide();
+
+	toolbar->add_child(memnew(VSeparator));
+
+	menu = memnew(MenuButton);
+	menu->get_popup()->add_item(TTR("Load Emission Mask"), MENU_LOAD_EMISSION_MASK);
+	//	menu->get_popup()->add_item(TTR("Clear Emission Mask"), MENU_CLEAR_EMISSION_MASK);
+	menu->set_text(TTR("Particles"));
+	toolbar->add_child(menu);
+
+	file = memnew(EditorFileDialog);
+	List<String> ext;
+	ImageLoader::get_recognized_extensions(&ext);
+	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
+		file->add_filter("*." + E->get() + "; " + E->get().to_upper());
+	}
+	file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
+	toolbar->add_child(file);
+
+	epoints = memnew(SpinBox);
+	epoints->set_min(1);
+	epoints->set_max(8192);
+	epoints->set_step(1);
+	epoints->set_value(512);
+	file->get_vbox()->add_margin_child(TTR("Generated Point Count:"), epoints);
+
+	emission_mask = memnew(ConfirmationDialog);
+	emission_mask->set_title(TTR("Load Emission Mask"));
+	VBoxContainer *emvb = memnew(VBoxContainer);
+	emission_mask->add_child(emvb);
+	emission_mask_mode = memnew(OptionButton);
+	emvb->add_margin_child(TTR("Emission Mask"), emission_mask_mode);
+	emission_mask_mode->add_item("Solid Pixels", EMISSION_MODE_SOLID);
+	emission_mask_mode->add_item("Border Pixels", EMISSION_MODE_BORDER);
+	emission_mask_mode->add_item("Directed Border Pixels", EMISSION_MODE_BORDER_DIRECTED);
+	emission_colors = memnew(CheckBox);
+	emission_colors->set_text(TTR("Capture from Pixel"));
+	emvb->add_margin_child(TTR("Emission Colors"), emission_colors);
+
+	toolbar->add_child(emission_mask);
+
+	emission_mask->connect("confirmed", this, "_generate_emission_mask");
+}
+
+CPUParticles2DEditorPlugin::~CPUParticles2DEditorPlugin() {
+}
diff --git a/editor/plugins/cpu_particles_2d_editor_plugin.h b/editor/plugins/cpu_particles_2d_editor_plugin.h
new file mode 100644
index 0000000000..f715abd87b
--- /dev/null
+++ b/editor/plugins/cpu_particles_2d_editor_plugin.h
@@ -0,0 +1,92 @@
+/*************************************************************************/
+/*  cpu_particles_2d_editor_plugin.h                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef CPU_PARTICLES_2D_EDITOR_PLUGIN_H
+#define CPU_PARTICLES_2D_EDITOR_PLUGIN_H
+
+#include "editor/editor_node.h"
+#include "editor/editor_plugin.h"
+#include "scene/2d/collision_polygon_2d.h"
+#include "scene/2d/cpu_particles_2d.h"
+#include "scene/gui/box_container.h"
+#include "scene/gui/file_dialog.h"
+
+class CPUParticles2DEditorPlugin : public EditorPlugin {
+
+	GDCLASS(CPUParticles2DEditorPlugin, EditorPlugin);
+
+	enum {
+		MENU_LOAD_EMISSION_MASK,
+		MENU_CLEAR_EMISSION_MASK
+	};
+
+	enum EmissionMode {
+		EMISSION_MODE_SOLID,
+		EMISSION_MODE_BORDER,
+		EMISSION_MODE_BORDER_DIRECTED
+	};
+
+	CPUParticles2D *particles;
+
+	EditorFileDialog *file;
+	EditorNode *editor;
+
+	HBoxContainer *toolbar;
+	MenuButton *menu;
+
+	SpinBox *epoints;
+
+	ConfirmationDialog *emission_mask;
+	OptionButton *emission_mask_mode;
+	CheckBox *emission_colors;
+
+	String source_emission_file;
+
+	UndoRedo *undo_redo;
+	void _file_selected(const String &p_file);
+	void _menu_callback(int p_idx);
+	void _generate_emission_mask();
+
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	virtual String get_name() const { return "CPUParticles2D"; }
+	bool has_main_screen() const { return false; }
+	virtual void edit(Object *p_object);
+	virtual bool handles(Object *p_object) const;
+	virtual void make_visible(bool p_visible);
+
+	CPUParticles2DEditorPlugin(EditorNode *p_node);
+	~CPUParticles2DEditorPlugin();
+};
+
+#endif // CPU_PARTICLES_2D_EDITOR_PLUGIN_H
diff --git a/editor/plugins/mesh_library_editor_plugin.cpp b/editor/plugins/mesh_library_editor_plugin.cpp
index aedac7b45d..89eb253afe 100644
--- a/editor/plugins/mesh_library_editor_plugin.cpp
+++ b/editor/plugins/mesh_library_editor_plugin.cpp
@@ -127,7 +127,7 @@ void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library,
 						continue;
 					MeshLibrary::ShapeData shape_data;
 					shape_data.shape = collision;
-					shape_data.local_transform = sb->shape_owner_get_transform(E->get());
+					shape_data.local_transform = sb->get_transform() * sb->shape_owner_get_transform(E->get());
 					collisions.push_back(shape_data);
 				}
 			}
@@ -136,17 +136,20 @@ void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library,
 		p_library->set_item_shapes(id, collisions);
 
 		Ref<NavigationMesh> navmesh;
+		Transform navmesh_transform;
 		for (int j = 0; j < mi->get_child_count(); j++) {
 			Node *child2 = mi->get_child(j);
 			if (!Object::cast_to<NavigationMeshInstance>(child2))
 				continue;
 			NavigationMeshInstance *sb = Object::cast_to<NavigationMeshInstance>(child2);
 			navmesh = sb->get_navigation_mesh();
+			navmesh_transform = sb->get_transform();
 			if (!navmesh.is_null())
 				break;
 		}
 		if (!navmesh.is_null()) {
 			p_library->set_item_navmesh(id, navmesh);
+			p_library->set_item_navmesh_transform(id, navmesh_transform);
 		}
 	}
 
diff --git a/editor/plugins/particles_2d_editor_plugin.cpp b/editor/plugins/particles_2d_editor_plugin.cpp
index d00687f7ea..70d4919e9f 100644
--- a/editor/plugins/particles_2d_editor_plugin.cpp
+++ b/editor/plugins/particles_2d_editor_plugin.cpp
@@ -408,7 +408,7 @@ Particles2DEditorPlugin::Particles2DEditorPlugin(EditorNode *p_node) {
 	generate_visibility_rect->connect("confirmed", this, "_generate_visibility_rect");
 
 	emission_mask = memnew(ConfirmationDialog);
-	emission_mask->set_title(TTR("Generate Visibility Rect"));
+	emission_mask->set_title(TTR("Load Emission Mask"));
 	VBoxContainer *emvb = memnew(VBoxContainer);
 	emission_mask->add_child(emvb);
 	emission_mask_mode = memnew(OptionButton);
diff --git a/editor/plugins/path_editor_plugin.cpp b/editor/plugins/path_editor_plugin.cpp
index 6efa76ef80..88dc258c5f 100644
--- a/editor/plugins/path_editor_plugin.cpp
+++ b/editor/plugins/path_editor_plugin.cpp
@@ -638,6 +638,10 @@ String PathSpatialGizmoPlugin::get_name() const {
 	return "Path";
 }
 
+int PathSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 PathSpatialGizmoPlugin::PathSpatialGizmoPlugin() {
 
 	Color path_color = EDITOR_DEF("editors/3d_gizmos/gizmo_colors/path", Color(0.5, 0.5, 1.0, 0.8));
diff --git a/editor/plugins/path_editor_plugin.h b/editor/plugins/path_editor_plugin.h
index ce3d3799d4..5482d09377 100644
--- a/editor/plugins/path_editor_plugin.h
+++ b/editor/plugins/path_editor_plugin.h
@@ -62,6 +62,7 @@ protected:
 
 public:
 	String get_name() const;
+	int get_priority() const;
 	PathSpatialGizmoPlugin();
 };
 
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 9e65d9de10..3a61277f36 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -849,8 +849,7 @@ void ScriptEditor::_file_dialog_action(String p_file) {
 			}
 			file->close();
 			memdelete(file);
-
-			// fallthrough to open the file.
+			FALLTHROUGH;
 		}
 		case FILE_OPEN: {
 
@@ -979,6 +978,10 @@ void ScriptEditor::_menu_option(int p_option) {
 
 			OS::get_singleton()->shell_open("https://docs.godotengine.org/");
 		} break;
+		case REQUEST_DOCS: {
+
+			OS::get_singleton()->shell_open("https://github.com/godotengine/godot-docs/issues/new");
+		} break;
 
 		case WINDOW_NEXT: {
 
@@ -1308,6 +1311,7 @@ void ScriptEditor::_notification(int p_what) {
 			EditorSettings::get_singleton()->connect("settings_changed", this, "_editor_settings_changed");
 			help_search->set_icon(get_icon("HelpSearch", "EditorIcons"));
 			site_search->set_icon(get_icon("Instance", "EditorIcons"));
+			request_docs->set_icon(get_icon("Issue", "EditorIcons"));
 
 			script_forward->set_icon(get_icon("Forward", "EditorIcons"));
 			script_back->set_icon(get_icon("Back", "EditorIcons"));
@@ -1951,8 +1955,9 @@ bool ScriptEditor::edit(const RES &p_resource, int p_line, int p_col, bool p_gra
 				if (is_visible_in_tree())
 					se->ensure_focus();
 
-				if (p_line >= 0)
+				if (p_line > 0) {
 					se->goto_line(p_line - 1);
+				}
 			}
 			return true;
 		}
@@ -2012,8 +2017,9 @@ bool ScriptEditor::edit(const RES &p_resource, int p_line, int p_col, bool p_gra
 	_test_script_times_on_disk(p_resource);
 	_update_modified_scripts_for_external_editor(p_resource);
 
-	if (p_line >= 0)
+	if (p_line > 0) {
 		se->goto_line(p_line - 1);
+	}
 
 	notify_script_changed(p_resource);
 	_add_recent_script(p_resource->get_path());
@@ -2206,6 +2212,9 @@ void ScriptEditor::_script_split_dragged(float) {
 
 Variant ScriptEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from) {
 
+	if (tab_container->get_child_count() == 0)
+		return Variant();
+
 	Node *cur_node = tab_container->get_child(tab_container->get_current_tab());
 
 	HBoxContainer *drag_preview = memnew(HBoxContainer);
@@ -3076,6 +3085,12 @@ ScriptEditor::ScriptEditor(EditorNode *p_editor) {
 	menu_hb->add_child(site_search);
 	site_search->set_tooltip(TTR("Open Godot online documentation"));
 
+	request_docs = memnew(ToolButton);
+	request_docs->set_text(TTR("Request Docs"));
+	request_docs->connect("pressed", this, "_menu_option", varray(REQUEST_DOCS));
+	menu_hb->add_child(request_docs);
+	request_docs->set_tooltip(TTR("Help improve the Godot documentation by giving feedback"));
+
 	help_search = memnew(ToolButton);
 	help_search->set_text(TTR("Search Help"));
 	help_search->connect("pressed", this, "_menu_option", varray(SEARCH_HELP));
diff --git a/editor/plugins/script_editor_plugin.h b/editor/plugins/script_editor_plugin.h
index 11f4589f00..954b014935 100644
--- a/editor/plugins/script_editor_plugin.h
+++ b/editor/plugins/script_editor_plugin.h
@@ -157,6 +157,7 @@ class ScriptEditor : public PanelContainer {
 		DEBUG_WITH_EXTERNAL_EDITOR,
 		SEARCH_HELP,
 		SEARCH_WEBSITE,
+		REQUEST_DOCS,
 		HELP_SEARCH_FIND,
 		HELP_SEARCH_FIND_NEXT,
 		WINDOW_MOVE_UP,
@@ -200,6 +201,7 @@ class ScriptEditor : public PanelContainer {
 
 	Button *help_search;
 	Button *site_search;
+	Button *request_docs;
 	EditorHelpSearch *help_search_dialog;
 
 	ItemList *script_list;
diff --git a/editor/plugins/script_text_editor.cpp b/editor/plugins/script_text_editor.cpp
index e95b1356bf..9fc42e3862 100644
--- a/editor/plugins/script_text_editor.cpp
+++ b/editor/plugins/script_text_editor.cpp
@@ -620,7 +620,9 @@ void ScriptTextEditor::_lookup_symbol(const String &p_symbol, int p_row, int p_c
 	}
 
 	ScriptLanguage::LookupResult result;
-	if (p_symbol.is_resource_file()) {
+	if (ScriptServer::is_global_class(p_symbol)) {
+		EditorNode::get_singleton()->load_resource(ScriptServer::get_global_class_path(p_symbol));
+	} else if (p_symbol.is_resource_file()) {
 		List<String> scene_extensions;
 		ResourceLoader::get_recognized_extensions_for_type("PackedScene", &scene_extensions);
 
@@ -794,92 +796,7 @@ void ScriptTextEditor::_edit_option(int p_op) {
 		} break;
 		case EDIT_TOGGLE_COMMENT: {
 
-			Ref<Script> scr = script;
-			if (scr.is_null())
-				return;
-
-			String delimiter = "#";
-			List<String> comment_delimiters;
-			scr->get_language()->get_comment_delimiters(&comment_delimiters);
-
-			for (List<String>::Element *E = comment_delimiters.front(); E; E = E->next()) {
-				String script_delimiter = E->get();
-				if (script_delimiter.find(" ") == -1) {
-					delimiter = script_delimiter;
-					break;
-				}
-			}
-
-			tx->begin_complex_operation();
-			if (tx->is_selection_active()) {
-				int begin = tx->get_selection_from_line();
-				int end = tx->get_selection_to_line();
-
-				// End of selection ends on the first column of the last line, ignore it.
-				if (tx->get_selection_to_column() == 0)
-					end -= 1;
-
-				int col_to = tx->get_selection_to_column();
-				int cursor_pos = tx->cursor_get_column();
-
-				// Check if all lines in the selected block are commented
-				bool is_commented = true;
-				for (int i = begin; i <= end; i++) {
-					if (!tx->get_line(i).begins_with(delimiter)) {
-						is_commented = false;
-						break;
-					}
-				}
-				for (int i = begin; i <= end; i++) {
-					String line_text = tx->get_line(i);
-
-					if (line_text.strip_edges().empty()) {
-						line_text = delimiter;
-					} else {
-						if (is_commented) {
-							line_text = line_text.substr(delimiter.length(), line_text.length());
-						} else {
-							line_text = delimiter + line_text;
-						}
-					}
-					tx->set_line(i, line_text);
-				}
-
-				// Adjust selection & cursor position.
-				int offset = is_commented ? -1 : 1;
-				int col_from = tx->get_selection_from_column() > 0 ? tx->get_selection_from_column() + offset : 0;
-
-				if (is_commented && tx->cursor_get_column() == tx->get_line(tx->cursor_get_line()).length() + 1)
-					cursor_pos += 1;
-
-				if (tx->get_selection_to_column() != 0 && col_to != tx->get_line(tx->get_selection_to_line()).length() + 1)
-					col_to += offset;
-
-				if (tx->cursor_get_column() != 0)
-					cursor_pos += offset;
-
-				tx->select(begin, col_from, tx->get_selection_to_line(), col_to);
-				tx->cursor_set_column(cursor_pos);
-
-			} else {
-				int begin = tx->cursor_get_line();
-				String line_text = tx->get_line(begin);
-
-				int col = tx->cursor_get_column();
-				if (line_text.begins_with(delimiter)) {
-					line_text = line_text.substr(delimiter.length(), line_text.length());
-					col -= 1;
-				} else {
-					line_text = delimiter + line_text;
-					col += 1;
-				}
-
-				tx->set_line(begin, line_text);
-				tx->cursor_set_column(col);
-			}
-			tx->end_complex_operation();
-			tx->update();
-
+			_edit_option_toggle_inline_comment();
 		} break;
 		case EDIT_COMPLETE: {
 
@@ -993,7 +910,7 @@ void ScriptTextEditor::_edit_option(int p_op) {
 				tx->set_line_as_breakpoint(line, dobreak);
 				ScriptEditor::get_singleton()->get_debugger()->set_breakpoint(script->get_path(), line + 1, dobreak);
 			}
-		}
+		} break;
 		case DEBUG_GOTO_NEXT_BREAKPOINT: {
 
 			List<int> bpoints;
@@ -1066,6 +983,25 @@ void ScriptTextEditor::_edit_option(int p_op) {
 	}
 }
 
+void ScriptTextEditor::_edit_option_toggle_inline_comment() {
+	if (script.is_null())
+		return;
+
+	String delimiter = "#";
+	List<String> comment_delimiters;
+	script->get_language()->get_comment_delimiters(&comment_delimiters);
+
+	for (List<String>::Element *E = comment_delimiters.front(); E; E = E->next()) {
+		String script_delimiter = E->get();
+		if (script_delimiter.find(" ") == -1) {
+			delimiter = script_delimiter;
+			break;
+		}
+	}
+
+	code_editor->toggle_inline_comment(delimiter);
+}
+
 void ScriptTextEditor::add_syntax_highlighter(SyntaxHighlighter *p_highlighter) {
 	highlighters[p_highlighter->get_name()] = p_highlighter;
 	highlighter_menu->add_radio_check_item(p_highlighter->get_name());
diff --git a/editor/plugins/script_text_editor.h b/editor/plugins/script_text_editor.h
index f83aadddef..b081a31c18 100644
--- a/editor/plugins/script_text_editor.h
+++ b/editor/plugins/script_text_editor.h
@@ -136,6 +136,7 @@ protected:
 	void _change_syntax_highlighter(int p_idx);
 
 	void _edit_option(int p_op);
+	void _edit_option_toggle_inline_comment();
 	void _make_context_menu(bool p_selection, bool p_color, bool p_foldable, bool p_open_docs, bool p_goto_definition);
 	void _text_edit_gui_input(const Ref<InputEvent> &ev);
 	void _color_changed(const Color &p_color);
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 033a6c56d9..d39e521113 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -248,19 +248,19 @@ void ShaderEditor::_menu_option(int p_option) {
 		} break;
 		case EDIT_INDENT_LEFT: {
 
-			TextEdit *tx = shader_editor->get_text_edit();
 			if (shader.is_null())
 				return;
 
+			TextEdit *tx = shader_editor->get_text_edit();
 			tx->indent_left();
 
 		} break;
 		case EDIT_INDENT_RIGHT: {
 
-			TextEdit *tx = shader_editor->get_text_edit();
 			if (shader.is_null())
 				return;
 
+			TextEdit *tx = shader_editor->get_text_edit();
 			tx->indent_right();
 
 		} break;
@@ -272,54 +272,10 @@ void ShaderEditor::_menu_option(int p_option) {
 		} break;
 		case EDIT_TOGGLE_COMMENT: {
 
-			TextEdit *tx = shader_editor->get_text_edit();
 			if (shader.is_null())
 				return;
 
-			tx->begin_complex_operation();
-			if (tx->is_selection_active()) {
-				int begin = tx->get_selection_from_line();
-				int end = tx->get_selection_to_line();
-
-				// End of selection ends on the first column of the last line, ignore it.
-				if (tx->get_selection_to_column() == 0)
-					end -= 1;
-
-				// Check if all lines in the selected block are commented
-				bool is_commented = true;
-				for (int i = begin; i <= end; i++) {
-					if (!tx->get_line(i).begins_with("//")) {
-						is_commented = false;
-						break;
-					}
-				}
-				for (int i = begin; i <= end; i++) {
-					String line_text = tx->get_line(i);
-
-					if (line_text.strip_edges().empty()) {
-						line_text = "//";
-					} else {
-						if (is_commented) {
-							line_text = line_text.substr(2, line_text.length());
-						} else {
-							line_text = "//" + line_text;
-						}
-					}
-					tx->set_line(i, line_text);
-				}
-			} else {
-				int begin = tx->cursor_get_line();
-				String line_text = tx->get_line(begin);
-
-				if (line_text.begins_with("//"))
-					line_text = line_text.substr(2, line_text.length());
-				else
-					line_text = "//" + line_text;
-				tx->set_line(begin, line_text);
-			}
-			tx->end_complex_operation();
-			tx->update();
-			//tx->deselect();
+			shader_editor->toggle_inline_comment("//");
 
 		} break;
 		case EDIT_COMPLETE: {
@@ -355,8 +311,8 @@ void ShaderEditor::_menu_option(int p_option) {
 void ShaderEditor::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
-		if (is_visible_in_tree())
-			shader_editor->get_text_edit()->grab_focus();
+		//if (is_visible_in_tree())
+		//	shader_editor->get_text_edit()->grab_focus();
 	}
 }
 
diff --git a/editor/plugins/spatial_editor_plugin.cpp b/editor/plugins/spatial_editor_plugin.cpp
index ed11d26f25..f48887d342 100644
--- a/editor/plugins/spatial_editor_plugin.cpp
+++ b/editor/plugins/spatial_editor_plugin.cpp
@@ -1021,7 +1021,7 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 					}
 
 					_edit.mouse_pos = b->get_position();
-					_edit.snap = false;
+					_edit.snap = spatial_editor->is_snap_enabled();
 					_edit.mode = TRANSFORM_NONE;
 
 					//gizmo has priority over everything
@@ -1772,7 +1772,7 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 		if (ED_IS_SHORTCUT("spatial_editor/snap", p_event)) {
 			if (_edit.mode != TRANSFORM_NONE) {
-				_edit.snap = true;
+				_edit.snap = !_edit.snap;
 			}
 		}
 		if (ED_IS_SHORTCUT("spatial_editor/bottom_view", p_event)) {
@@ -2382,7 +2382,10 @@ void SpatialEditorViewport::_draw() {
 
 	if (cursor.region_select) {
 
-		VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(cursor.region_begin, cursor.region_end - cursor.region_begin), Color(0.7, 0.7, 1.0, 0.3));
+		VisualServer::get_singleton()->canvas_item_add_rect(
+				ci,
+				Rect2(cursor.region_begin, cursor.region_end - cursor.region_begin),
+				get_color("accent_color", "Editor") * Color(1, 1, 1, 0.375));
 	}
 
 	if (message_time > 0) {
@@ -2396,7 +2399,13 @@ void SpatialEditorViewport::_draw() {
 	if (_edit.mode == TRANSFORM_ROTATE) {
 
 		Point2 center = _point_to_screen(_edit.center);
-		VisualServer::get_singleton()->canvas_item_add_line(ci, _edit.mouse_pos, center, Color(0.4, 0.7, 1.0, 0.8));
+		VisualServer::get_singleton()->canvas_item_add_line(
+				ci,
+				_edit.mouse_pos,
+				center,
+				get_color("accent_color", "Editor") * Color(1, 1, 1, 0.6),
+				Math::round(2 * EDSCALE),
+				true);
 	}
 	if (previewing) {
 
@@ -3001,7 +3010,7 @@ void SpatialEditorViewport::set_state(const Dictionary &p_state) {
 			previewing = Object::cast_to<Camera>(pv);
 			previewing->connect("tree_exiting", this, "_preview_exited_scene");
 			VS::get_singleton()->viewport_attach_camera(viewport->get_viewport_rid(), previewing->get_camera()); //replace
-			view_menu->hide();
+			view_menu->set_disabled(true);
 			surface->update();
 			preview_camera->set_pressed(true);
 			preview_camera->show();
@@ -4117,10 +4126,10 @@ Dictionary SpatialEditor::get_state() const {
 	d["zfar"] = get_zfar();
 
 	Dictionary gizmos_status;
-	for (int i = 0; i < gizmo_plugins.size(); i++) {
-		if (!gizmo_plugins[i]->can_be_hidden()) continue;
+	for (int i = 0; i < gizmo_plugins_by_name.size(); i++) {
+		if (!gizmo_plugins_by_name[i]->can_be_hidden()) continue;
 		int state = gizmos_menu->get_item_state(gizmos_menu->get_item_index(i));
-		String name = gizmo_plugins[i]->get_name();
+		String name = gizmo_plugins_by_name[i]->get_name();
 		gizmos_status[name] = state;
 	}
 
@@ -4170,9 +4179,13 @@ void SpatialEditor::set_state(const Dictionary &p_state) {
 
 	if (d.has("viewports")) {
 		Array vp = d["viewports"];
-		ERR_FAIL_COND(vp.size() > 4);
+		uint32_t vp_size = static_cast<uint32_t>(vp.size());
+		if (vp_size > VIEWPORTS_COUNT) {
+			WARN_PRINT("Ignoring superfluous viewport settings from spatial editor state.")
+			vp_size = VIEWPORTS_COUNT;
+		}
 
-		for (uint32_t i = 0; i < VIEWPORTS_COUNT; i++) {
+		for (uint32_t i = 0; i < vp_size; i++) {
 			viewports[i]->set_state(vp[i]);
 		}
 	}
@@ -4205,32 +4218,19 @@ void SpatialEditor::set_state(const Dictionary &p_state) {
 		List<Variant> keys;
 		gizmos_status.get_key_list(&keys);
 
-		for (int j = 0; j < gizmo_plugins.size(); ++j) {
-			if (!gizmo_plugins[j]->can_be_hidden()) continue;
-			int state = EditorSpatialGizmoPlugin::ON_TOP;
+		for (int j = 0; j < gizmo_plugins_by_name.size(); ++j) {
+			if (!gizmo_plugins_by_name[j]->can_be_hidden()) continue;
+			int state = EditorSpatialGizmoPlugin::VISIBLE;
 			for (int i = 0; i < keys.size(); i++) {
-				if (gizmo_plugins.write[j]->get_name() == keys[i]) {
+				if (gizmo_plugins_by_name.write[j]->get_name() == keys[i]) {
 					state = gizmos_status[keys[i]];
+					break;
 				}
 			}
 
-			const int idx = gizmos_menu->get_item_index(j);
-
-			gizmos_menu->set_item_multistate(idx, state);
-			gizmo_plugins.write[j]->set_state(state);
-
-			switch (state) {
-				case EditorSpatialGizmoPlugin::VISIBLE:
-					gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_visible"));
-					break;
-				case EditorSpatialGizmoPlugin::ON_TOP:
-					gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_xray"));
-					break;
-				case EditorSpatialGizmoPlugin::HIDDEN:
-					gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_hidden"));
-					break;
-			}
+			gizmo_plugins_by_name.write[j]->set_state(state);
 		}
+		_update_gizmos_menu();
 	}
 }
 
@@ -4344,7 +4344,7 @@ void SpatialEditor::_menu_gizmo_toggled(int p_option) {
 			break;
 	}
 
-	gizmo_plugins.write[p_option]->set_state(state);
+	gizmo_plugins_by_name.write[p_option]->set_state(state);
 
 	update_all_gizmos();
 }
@@ -4840,30 +4840,46 @@ void SpatialEditor::_init_indicators() {
 	_generate_selection_box();
 }
 
-struct _GizmoPluginComparator {
-
-	bool operator()(const Ref<EditorSpatialGizmoPlugin> &p_a, const Ref<EditorSpatialGizmoPlugin> &p_b) const {
-		return p_a->get_name() < p_b->get_name();
-	}
-};
-
 void SpatialEditor::_update_gizmos_menu() {
 
 	gizmos_menu->clear();
-	gizmo_plugins.sort_custom<_GizmoPluginComparator>();
 
-	for (int i = 0; i < gizmo_plugins.size(); ++i) {
-		if (!gizmo_plugins[i]->can_be_hidden()) continue;
-		String plugin_name = gizmo_plugins[i]->get_name();
-		gizmos_menu->add_multistate_item(TTR(plugin_name), 3, EditorSpatialGizmoPlugin::VISIBLE, i);
-		gizmos_menu->set_item_icon(gizmos_menu->get_item_index(i), gizmos_menu->get_icon("visibility_visible"));
+	for (int i = 0; i < gizmo_plugins_by_name.size(); ++i) {
+		if (!gizmo_plugins_by_name[i]->can_be_hidden()) continue;
+		String plugin_name = gizmo_plugins_by_name[i]->get_name();
+		const int plugin_state = gizmo_plugins_by_name[i]->get_state();
+		gizmos_menu->add_multistate_item(TTR(plugin_name), 3, plugin_state, i);
+		const int idx = gizmos_menu->get_item_index(i);
+		switch (plugin_state) {
+			case EditorSpatialGizmoPlugin::VISIBLE:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_visible"));
+				break;
+			case EditorSpatialGizmoPlugin::ON_TOP:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_xray"));
+				break;
+			case EditorSpatialGizmoPlugin::HIDDEN:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_hidden"));
+				break;
+		}
 	}
 }
 
 void SpatialEditor::_update_gizmos_menu_theme() {
-	for (int i = 0; i < gizmo_plugins.size(); ++i) {
-		if (!gizmo_plugins[i]->can_be_hidden()) continue;
-		gizmos_menu->set_item_icon(gizmos_menu->get_item_index(i), gizmos_menu->get_icon("visibility_visible"));
+	for (int i = 0; i < gizmo_plugins_by_name.size(); ++i) {
+		if (!gizmo_plugins_by_name[i]->can_be_hidden()) continue;
+		const int plugin_state = gizmo_plugins_by_name[i]->get_state();
+		const int idx = gizmos_menu->get_item_index(i);
+		switch (plugin_state) {
+			case EditorSpatialGizmoPlugin::VISIBLE:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_visible"));
+				break;
+			case EditorSpatialGizmoPlugin::ON_TOP:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_xray"));
+				break;
+			case EditorSpatialGizmoPlugin::HIDDEN:
+				gizmos_menu->set_item_icon(idx, gizmos_menu->get_icon("visibility_hidden"));
+				break;
+		}
 	}
 }
 
@@ -5225,8 +5241,8 @@ void SpatialEditor::_request_gizmo(Object *p_obj) {
 
 		Ref<EditorSpatialGizmo> seg;
 
-		for (int i = 0; i < gizmo_plugins.size(); ++i) {
-			seg = gizmo_plugins.write[i]->get_gizmo(sp);
+		for (int i = 0; i < gizmo_plugins_by_priority.size(); ++i) {
+			seg = gizmo_plugins_by_priority.write[i]->get_gizmo(sp);
 
 			if (seg.is_valid()) {
 				sp->set_gizmo(seg);
@@ -5751,15 +5767,39 @@ void SpatialEditorPlugin::snap_cursor_to_plane(const Plane &p_plane) {
 	spatial_editor->snap_cursor_to_plane(p_plane);
 }
 
+struct _GizmoPluginPriorityComparator {
+
+	bool operator()(const Ref<EditorSpatialGizmoPlugin> &p_a, const Ref<EditorSpatialGizmoPlugin> &p_b) const {
+		if (p_a->get_priority() == p_b->get_priority()) {
+			return p_a->get_name() < p_b->get_name();
+		}
+		return p_a->get_priority() > p_b->get_priority();
+	}
+};
+
+struct _GizmoPluginNameComparator {
+
+	bool operator()(const Ref<EditorSpatialGizmoPlugin> &p_a, const Ref<EditorSpatialGizmoPlugin> &p_b) const {
+		return p_a->get_name() < p_b->get_name();
+	}
+};
+
 void SpatialEditor::add_gizmo_plugin(Ref<EditorSpatialGizmoPlugin> p_plugin) {
 	ERR_FAIL_NULL(p_plugin.ptr());
-	gizmo_plugins.push_back(p_plugin);
+
+	gizmo_plugins_by_priority.push_back(p_plugin);
+	gizmo_plugins_by_priority.sort_custom<_GizmoPluginPriorityComparator>();
+
+	gizmo_plugins_by_name.push_back(p_plugin);
+	gizmo_plugins_by_name.sort_custom<_GizmoPluginNameComparator>();
+
 	_update_gizmos_menu();
 	SpatialEditor::get_singleton()->update_all_gizmos();
 }
 
 void SpatialEditor::remove_gizmo_plugin(Ref<EditorSpatialGizmoPlugin> p_plugin) {
-	gizmo_plugins.erase(p_plugin);
+	gizmo_plugins_by_priority.erase(p_plugin);
+	gizmo_plugins_by_name.erase(p_plugin);
 	_update_gizmos_menu();
 }
 
@@ -5912,6 +5952,13 @@ String EditorSpatialGizmoPlugin::get_name() const {
 	return TTR("Nameless gizmo");
 }
 
+int EditorSpatialGizmoPlugin::get_priority() const {
+	if (get_script_instance() && get_script_instance()->has_method("get_priority")) {
+		return get_script_instance()->call("get_priority");
+	}
+	return 0;
+}
+
 Ref<EditorSpatialGizmo> EditorSpatialGizmoPlugin::get_gizmo(Spatial *p_spatial) {
 
 	if (get_script_instance() && get_script_instance()->has_method("get_gizmo")) {
@@ -5944,6 +5991,7 @@ void EditorSpatialGizmoPlugin::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_material", "name", "gizmo"), &EditorSpatialGizmoPlugin::get_material); //, DEFVAL(Ref<EditorSpatialGizmo>()));
 
 	BIND_VMETHOD(MethodInfo(Variant::STRING, "get_name"));
+	BIND_VMETHOD(MethodInfo(Variant::STRING, "get_priority"));
 	BIND_VMETHOD(MethodInfo(Variant::BOOL, "can_be_hidden"));
 	BIND_VMETHOD(MethodInfo(Variant::BOOL, "is_selectable_when_hidden"));
 
@@ -6043,6 +6091,10 @@ void EditorSpatialGizmoPlugin::set_state(int p_state) {
 	}
 }
 
+int EditorSpatialGizmoPlugin::get_state() const {
+	return current_state;
+}
+
 void EditorSpatialGizmoPlugin::unregister_gizmo(EditorSpatialGizmo *p_gizmo) {
 	current_gizmos.erase(p_gizmo);
 }
diff --git a/editor/plugins/spatial_editor_plugin.h b/editor/plugins/spatial_editor_plugin.h
index 6256b8b055..4a9d34a7f7 100644
--- a/editor/plugins/spatial_editor_plugin.h
+++ b/editor/plugins/spatial_editor_plugin.h
@@ -639,7 +639,8 @@ private:
 	static SpatialEditor *singleton;
 
 	void _node_removed(Node *p_node);
-	Vector<Ref<EditorSpatialGizmoPlugin> > gizmo_plugins;
+	Vector<Ref<EditorSpatialGizmoPlugin> > gizmo_plugins_by_priority;
+	Vector<Ref<EditorSpatialGizmoPlugin> > gizmo_plugins_by_name;
 
 	void _register_all_gizmos();
 
@@ -782,6 +783,7 @@ public:
 	Ref<SpatialMaterial> get_material(const String &p_name, const Ref<EditorSpatialGizmo> &p_gizmo = Ref<EditorSpatialGizmo>());
 
 	virtual String get_name() const;
+	virtual int get_priority() const;
 	virtual bool can_be_hidden() const;
 	virtual bool is_selectable_when_hidden() const;
 
@@ -794,6 +796,7 @@ public:
 
 	Ref<EditorSpatialGizmo> get_gizmo(Spatial *p_spatial);
 	void set_state(int p_state);
+	int get_state() const;
 	void unregister_gizmo(EditorSpatialGizmo *p_gizmo);
 
 	EditorSpatialGizmoPlugin();
diff --git a/editor/plugins/sprite_frames_editor_plugin.cpp b/editor/plugins/sprite_frames_editor_plugin.cpp
index 89bb7440fe..5ba2fde763 100644
--- a/editor/plugins/sprite_frames_editor_plugin.cpp
+++ b/editor/plugins/sprite_frames_editor_plugin.cpp
@@ -347,9 +347,6 @@ void SpriteFramesEditor::_animation_name_edited() {
 	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
 
 		String current = E->get()->call("get_animation");
-		if (current != edited_anim)
-			continue;
-
 		undo_redo->add_do_method(E->get(), "set_animation", name);
 		undo_redo->add_undo_method(E->get(), "set_animation", edited_anim);
 	}
@@ -382,9 +379,6 @@ void SpriteFramesEditor::_animation_add() {
 	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
 
 		String current = E->get()->call("get_animation");
-		if (frames->has_animation(current))
-			continue;
-
 		undo_redo->add_do_method(E->get(), "set_animation", name);
 		undo_redo->add_undo_method(E->get(), "set_animation", current);
 	}
diff --git a/editor/plugins/texture_editor_plugin.cpp b/editor/plugins/texture_editor_plugin.cpp
index 831b2f3f16..0aa4a7662c 100644
--- a/editor/plugins/texture_editor_plugin.cpp
+++ b/editor/plugins/texture_editor_plugin.cpp
@@ -138,10 +138,15 @@ TextureEditor::TextureEditor() {
 	set_custom_minimum_size(Size2(1, 150));
 }
 
+TextureEditor::~TextureEditor() {
+	if (!texture.is_null()) {
+		texture->remove_change_receptor(this);
+	}
+}
 //
 bool EditorInspectorPluginTexture::can_handle(Object *p_object) {
 
-	return Object::cast_to<Texture>(p_object) != NULL;
+	return Object::cast_to<ImageTexture>(p_object) != NULL || Object::cast_to<AtlasTexture>(p_object) != NULL || Object::cast_to<StreamTexture>(p_object) != NULL || Object::cast_to<LargeTexture>(p_object) != NULL || Object::cast_to<AnimatedTexture>(p_object) != NULL;
 }
 
 void EditorInspectorPluginTexture::parse_begin(Object *p_object) {
diff --git a/editor/plugins/texture_editor_plugin.h b/editor/plugins/texture_editor_plugin.h
index 9c7d33df5a..bcbda1fbd7 100644
--- a/editor/plugins/texture_editor_plugin.h
+++ b/editor/plugins/texture_editor_plugin.h
@@ -50,6 +50,7 @@ protected:
 public:
 	void edit(Ref<Texture> p_texture);
 	TextureEditor();
+	~TextureEditor();
 };
 
 class EditorInspectorPluginTexture : public EditorInspectorPlugin {
diff --git a/editor/plugins/texture_region_editor_plugin.cpp b/editor/plugins/texture_region_editor_plugin.cpp
index 3eeb871380..0a59fc69e3 100644
--- a/editor/plugins/texture_region_editor_plugin.cpp
+++ b/editor/plugins/texture_region_editor_plugin.cpp
@@ -64,7 +64,7 @@ void TextureRegionEditor::_region_draw() {
 		return;
 
 	Transform2D mtx;
-	mtx.elements[2] = -draw_ofs;
+	mtx.elements[2] = -draw_ofs * draw_zoom;
 	mtx.scale_basis(Vector2(draw_zoom, draw_zoom));
 
 	VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(), mtx);
@@ -128,7 +128,7 @@ void TextureRegionEditor::_region_draw() {
 			};
 			for (int i = 0; i < 4; i++) {
 				int next = (i + 1) % 4;
-				edit_draw->draw_line(endpoints[i] - draw_ofs, endpoints[next] - draw_ofs, Color(0.3, 0.7, 1, 1), 2);
+				edit_draw->draw_line(endpoints[i] - draw_ofs * draw_zoom, endpoints[next] - draw_ofs * draw_zoom, Color(0.3, 0.7, 1, 1), 2);
 			}
 		}
 	}
@@ -153,16 +153,16 @@ void TextureRegionEditor::_region_draw() {
 		Vector2 ofs = ((endpoints[i] - endpoints[prev]).normalized() + ((endpoints[i] - endpoints[next]).normalized())).normalized();
 		ofs *= 1.4144 * (select_handle->get_size().width / 2);
 
-		edit_draw->draw_line(endpoints[i] - draw_ofs, endpoints[next] - draw_ofs, color, 2);
+		edit_draw->draw_line(endpoints[i] - draw_ofs * draw_zoom, endpoints[next] - draw_ofs * draw_zoom, color, 2);
 
 		if (snap_mode != SNAP_AUTOSLICE)
-			edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs);
+			edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs * draw_zoom);
 
 		ofs = (endpoints[next] - endpoints[i]) / 2;
 		ofs += (endpoints[next] - endpoints[i]).tangent().normalized() * (select_handle->get_size().width / 2);
 
 		if (snap_mode != SNAP_AUTOSLICE)
-			edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs);
+			edit_draw->draw_texture(select_handle, (endpoints[i] + ofs - (select_handle->get_size() / 2)).floor() - draw_ofs * draw_zoom);
 
 		scroll_rect.expand_to(endpoints[i]);
 	}
@@ -220,7 +220,7 @@ void TextureRegionEditor::_region_draw() {
 
 void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
 	Transform2D mtx;
-	mtx.elements[2] = -draw_ofs;
+	mtx.elements[2] = -draw_ofs * draw_zoom;
 	mtx.scale_basis(Vector2(draw_zoom, draw_zoom));
 
 	Vector2 endpoints[8] = {
@@ -255,10 +255,10 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
 						margins[3] = obj_styleBox->get_margin_size(MARGIN_RIGHT);
 					}
 					Vector2 pos[4] = {
-						mtx.basis_xform(rect.position + Vector2(0, margins[0])) - draw_ofs,
-						mtx.basis_xform(rect.position + rect.size - Vector2(0, margins[1])) - draw_ofs,
-						mtx.basis_xform(rect.position + Vector2(margins[2], 0)) - draw_ofs,
-						mtx.basis_xform(rect.position + rect.size - Vector2(margins[3], 0)) - draw_ofs
+						mtx.basis_xform(rect.position + Vector2(0, margins[0])) - draw_ofs * draw_zoom,
+						mtx.basis_xform(rect.position + rect.size - Vector2(0, margins[1])) - draw_ofs * draw_zoom,
+						mtx.basis_xform(rect.position + Vector2(margins[2], 0)) - draw_ofs * draw_zoom,
+						mtx.basis_xform(rect.position + rect.size - Vector2(margins[3], 0)) - draw_ofs * draw_zoom
 					};
 					if (Math::abs(mb->get_position().y - pos[0].y) < 8) {
 						edited_margin = 0;
@@ -415,9 +415,9 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
 				}
 			}
 		} else if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) {
-			_zoom_in();
+			_zoom_on_position(draw_zoom * ((0.95 + (0.05 * mb->get_factor())) / 0.95), mb->get_position());
 		} else if (mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed()) {
-			_zoom_out();
+			_zoom_on_position(draw_zoom * (1 - (0.05 * mb->get_factor())), mb->get_position());
 		}
 	}
 
@@ -427,7 +427,7 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
 
 		if (mm->get_button_mask() & BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
 
-			Vector2 draged(mm->get_relative().x, mm->get_relative().y);
+			Vector2 draged(mm->get_relative().x / draw_zoom, mm->get_relative().y / draw_zoom);
 			hscroll->set_value(hscroll->get_value() - draged.x);
 			vscroll->set_value(vscroll->get_value() - draged.y);
 
@@ -578,25 +578,30 @@ void TextureRegionEditor::_set_snap_sep_y(float p_val) {
 	edit_draw->update();
 }
 
+void TextureRegionEditor::_zoom_on_position(float p_zoom, Point2 p_position) {
+	if (p_zoom < 0.25 || p_zoom > 8)
+		return;
+
+	float prev_zoom = draw_zoom;
+	draw_zoom = p_zoom;
+	Point2 ofs = p_position;
+	ofs = ofs / prev_zoom - ofs / draw_zoom;
+	draw_ofs.x = Math::round(draw_ofs.x + ofs.x);
+	draw_ofs.y = Math::round(draw_ofs.y + ofs.y);
+
+	edit_draw->update();
+}
+
 void TextureRegionEditor::_zoom_in() {
-	if (draw_zoom < 8) {
-		draw_zoom *= 2;
-		edit_draw->update();
-	}
+	_zoom_on_position(draw_zoom * 1.5, edit_draw->get_size() / 2.0);
 }
 
 void TextureRegionEditor::_zoom_reset() {
-	if (draw_zoom == 1)
-		return;
-	draw_zoom = 1;
-	edit_draw->update();
+	_zoom_on_position(1.0, edit_draw->get_size() / 2.0);
 }
 
 void TextureRegionEditor::_zoom_out() {
-	if (draw_zoom > 0.25) {
-		draw_zoom /= 2;
-		edit_draw->update();
-	}
+	_zoom_on_position(draw_zoom / 1.5, edit_draw->get_size() / 2.0);
 }
 
 void TextureRegionEditor::apply_rect(const Rect2 &p_rect) {
@@ -743,6 +748,7 @@ void TextureRegionEditor::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_set_snap_step_y"), &TextureRegionEditor::_set_snap_step_y);
 	ClassDB::bind_method(D_METHOD("_set_snap_sep_x"), &TextureRegionEditor::_set_snap_sep_x);
 	ClassDB::bind_method(D_METHOD("_set_snap_sep_y"), &TextureRegionEditor::_set_snap_sep_y);
+	ClassDB::bind_method(D_METHOD("_zoom_on_position"), &TextureRegionEditor::_zoom_on_position);
 	ClassDB::bind_method(D_METHOD("_zoom_in"), &TextureRegionEditor::_zoom_in);
 	ClassDB::bind_method(D_METHOD("_zoom_reset"), &TextureRegionEditor::_zoom_reset);
 	ClassDB::bind_method(D_METHOD("_zoom_out"), &TextureRegionEditor::_zoom_out);
diff --git a/editor/plugins/texture_region_editor_plugin.h b/editor/plugins/texture_region_editor_plugin.h
index 19eaef9bc3..a49e0fb96c 100644
--- a/editor/plugins/texture_region_editor_plugin.h
+++ b/editor/plugins/texture_region_editor_plugin.h
@@ -110,6 +110,7 @@ class TextureRegionEditor : public VBoxContainer {
 	void _set_snap_step_y(float p_val);
 	void _set_snap_sep_x(float p_val);
 	void _set_snap_sep_y(float p_val);
+	void _zoom_on_position(float p_zoom, Point2 p_position = Point2());
 	void _zoom_in();
 	void _zoom_reset();
 	void _zoom_out();
diff --git a/editor/plugins/tile_map_editor_plugin.cpp b/editor/plugins/tile_map_editor_plugin.cpp
index 1a367b61dd..8a18af7ae8 100644
--- a/editor/plugins/tile_map_editor_plugin.cpp
+++ b/editor/plugins/tile_map_editor_plugin.cpp
@@ -299,7 +299,11 @@ void TileMapEditor::_set_cell(const Point2i &p_pos, Vector<int> p_values, bool p
 		}
 	}
 
-	node->set_cell(p_pos.x, p_pos.y, p_value, p_flip_h, p_flip_v, p_transpose, p_autotile_coord);
+	Variant v_pos_x = p_pos.x, v_pos_y = p_pos.y, v_tile = p_value, v_flip_h = p_flip_h, v_flip_v = p_flip_v, v_transpose = p_transpose, v_autotile_coord = Vector2(p_autotile_coord.x, p_autotile_coord.y);
+	const Variant *args[7] = { &v_pos_x, &v_pos_y, &v_tile, &v_flip_h, &v_flip_v, &v_transpose, &v_autotile_coord };
+	Variant::CallError ce;
+	node->call("set_cell", args, 7, ce);
+
 	if (manual_autotile || (p_value != -1 && node->get_tileset()->tile_get_tile_mode(p_value) == TileSet::ATLAS_TILE)) {
 		if (current != -1) {
 			node->set_cell_autotile_coord(p_pos.x, p_pos.y, position);
@@ -1434,9 +1438,9 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 		aabb.expand_to(node->world_to_map(xform_inv.xform(screen_size)));
 		Rect2i si = aabb.grow(1.0);
 
-		if (node->get_half_offset() != TileMap::HALF_OFFSET_X) {
+		if (node->get_half_offset() != TileMap::HALF_OFFSET_X && node->get_half_offset() != TileMap::HALF_OFFSET_NEGATIVE_X) {
 
-			int max_lines = 2000; //avoid crash if size too smal
+			int max_lines = 2000; //avoid crash if size too small
 
 			for (int i = (si.position.x) - 1; i <= (si.position.x + si.size.x); i++) {
 
@@ -1450,7 +1454,7 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 			}
 		} else {
 
-			int max_lines = 10000; //avoid crash if size too smal
+			int max_lines = 10000; //avoid crash if size too small
 
 			for (int i = (si.position.x) - 1; i <= (si.position.x + si.size.x); i++) {
 
@@ -1458,23 +1462,26 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 
 					Vector2 ofs;
 					if (ABS(j) & 1) {
-						ofs = cell_xf[0] * 0.5;
+						ofs = cell_xf[0] * (node->get_half_offset() == TileMap::HALF_OFFSET_X ? 0.5 : -0.5);
 					}
 
 					Vector2 from = xform.xform(node->map_to_world(Vector2(i, j), true) + ofs);
 					Vector2 to = xform.xform(node->map_to_world(Vector2(i, j + 1), true) + ofs);
+
 					Color col = i == 0 ? Color(1, 0.8, 0.2, 0.5) : Color(1, 0.3, 0.1, 0.2);
 					p_overlay->draw_line(from, to, col, 1);
 
-					if (max_lines-- == 0)
+					if (--max_lines == 0)
 						break;
 				}
+				if (max_lines == 0)
+					break;
 			}
 		}
 
 		int max_lines = 10000; //avoid crash if size too smal
 
-		if (node->get_half_offset() != TileMap::HALF_OFFSET_Y) {
+		if (node->get_half_offset() != TileMap::HALF_OFFSET_Y && node->get_half_offset() != TileMap::HALF_OFFSET_NEGATIVE_Y) {
 
 			for (int i = (si.position.y) - 1; i <= (si.position.y + si.size.y); i++) {
 
@@ -1495,17 +1502,20 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 
 					Vector2 ofs;
 					if (ABS(j) & 1) {
-						ofs = cell_xf[1] * 0.5;
+						ofs = cell_xf[1] * (node->get_half_offset() == TileMap::HALF_OFFSET_Y ? 0.5 : -0.5);
 					}
 
 					Vector2 from = xform.xform(node->map_to_world(Vector2(j, i), true) + ofs);
 					Vector2 to = xform.xform(node->map_to_world(Vector2(j + 1, i), true) + ofs);
+
 					Color col = i == 0 ? Color(1, 0.8, 0.2, 0.5) : Color(1, 0.3, 0.1, 0.2);
 					p_overlay->draw_line(from, to, col, 1);
 
-					if (max_lines-- == 0)
+					if (--max_lines == 0)
 						break;
 				}
+				if (max_lines == 0)
+					break;
 			}
 		}
 	}
@@ -1533,8 +1543,12 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 		for (int i = 0; i < 4; i++) {
 			if (node->get_half_offset() == TileMap::HALF_OFFSET_X && ABS(over_tile.y) & 1)
 				endpoints[i] += cell_xf[0] * 0.5;
+			if (node->get_half_offset() == TileMap::HALF_OFFSET_NEGATIVE_X && ABS(over_tile.y) & 1)
+				endpoints[i] += cell_xf[0] * -0.5;
 			if (node->get_half_offset() == TileMap::HALF_OFFSET_Y && ABS(over_tile.x) & 1)
 				endpoints[i] += cell_xf[1] * 0.5;
+			if (node->get_half_offset() == TileMap::HALF_OFFSET_NEGATIVE_Y && ABS(over_tile.x) & 1)
+				endpoints[i] += cell_xf[1] * -0.5;
 			endpoints[i] = xform.xform(endpoints[i]);
 		}
 		Color col;
diff --git a/editor/plugins/tile_set_editor_plugin.cpp b/editor/plugins/tile_set_editor_plugin.cpp
index 5b54384ee0..8fc080c819 100644
--- a/editor/plugins/tile_set_editor_plugin.cpp
+++ b/editor/plugins/tile_set_editor_plugin.cpp
@@ -2417,6 +2417,8 @@ void TileSetEditor::draw_polygon_shapes() {
 							colors.push_back(c_bg);
 						}
 					}
+					if (polygon.size() == 0)
+						continue;
 					if (polygon.size() > 2) {
 						workspace->draw_polygon(polygon, colors);
 					}
@@ -2460,10 +2462,12 @@ void TileSetEditor::draw_polygon_shapes() {
 					workspace->draw_polygon(polygon, colors);
 
 					if (!creating_shape) {
-						for (int j = 0; j < polygon.size() - 1; j++) {
-							workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
+						if (polygon.size() > 1) {
+							for (int j = 0; j < polygon.size() - 1; j++) {
+								workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
+							}
+							workspace->draw_line(polygon[polygon.size() - 1], polygon[0], c_border, 1, true);
 						}
-						workspace->draw_line(polygon[polygon.size() - 1], polygon[0], c_border, 1, true);
 					}
 					if (shape == edited_occlusion_shape) {
 						draw_handles = true;
diff --git a/editor/project_manager.cpp b/editor/project_manager.cpp
index a3bcfa6e70..095ec891cd 100644
--- a/editor/project_manager.cpp
+++ b/editor/project_manager.cpp
@@ -1136,7 +1136,7 @@ void ProjectManager::_unhandled_input(const Ref<InputEvent> &p_ev) {
 
 					break;
 				}
-				// else fallthrough to key_down
+				FALLTHROUGH;
 			}
 			case KEY_DOWN: {
 
diff --git a/editor/project_settings_editor.cpp b/editor/project_settings_editor.cpp
index 1c6359a46b..bb72c621be 100644
--- a/editor/project_settings_editor.cpp
+++ b/editor/project_settings_editor.cpp
@@ -111,7 +111,7 @@ void ProjectSettingsEditor::_notification(int p_what) {
 			restart_close_button->set_icon(get_icon("Close", "EditorIcons"));
 			restart_container->add_style_override("panel", get_stylebox("bg", "Tree"));
 			restart_icon->set_texture(get_icon("StatusWarning", "EditorIcons"));
-			restart_label->add_color_override("font_color", get_color("error_color", "Editor"));
+			restart_label->add_color_override("font_color", get_color("warning_color", "Editor"));
 
 		} break;
 		case NOTIFICATION_POPUP_HIDE: {
@@ -703,7 +703,7 @@ void ProjectSettingsEditor::_update_actions() {
 		item->add_button(2, get_icon("Add", "EditorIcons"), 1, false, TTR("Add Event"));
 		if (!ProjectSettings::get_singleton()->get_input_presets().find(pi.name)) {
 			item->add_button(2, get_icon("Remove", "EditorIcons"), 2, false, TTR("Remove"));
-			item->set_editable(2, true);
+			item->set_editable(0, true);
 		}
 
 		for (int i = 0; i < events.size(); i++) {
diff --git a/editor/scene_tree_dock.cpp b/editor/scene_tree_dock.cpp
index 084830ed7b..7e4861cd09 100644
--- a/editor/scene_tree_dock.cpp
+++ b/editor/scene_tree_dock.cpp
@@ -377,7 +377,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 		} break;
 		case TOOL_CLEAR_SCRIPT: {
 
-			List<Node *> selection = editor_selection->get_selected_node_list();
+			Array selection = editor_selection->get_selected_nodes();
 
 			if (selection.empty())
 				return;
@@ -385,13 +385,14 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 			editor_data->get_undo_redo().create_action(TTR("Clear Script"));
 			editor_data->get_undo_redo().add_do_method(editor, "push_item", (Script *)NULL);
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+			for (int i = 0; i < selection.size(); i++) {
 
-				Ref<Script> existing = E->get()->get_script();
+				Node *n = Object::cast_to<Node>(selection[i]);
+				Ref<Script> existing = n->get_script();
 				if (existing.is_valid()) {
 					const RefPtr empty;
-					editor_data->get_undo_redo().add_do_method(E->get(), "set_script", empty);
-					editor_data->get_undo_redo().add_undo_method(E->get(), "set_script", existing);
+					editor_data->get_undo_redo().add_do_method(n, "set_script", empty);
+					editor_data->get_undo_redo().add_undo_method(n, "set_script", existing);
 				}
 			}
 
@@ -827,7 +828,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 			if (TOOL_CREATE_FAVORITE == p_tool) {
 				String name = selected_favorite_root.get_slicec(' ', 0);
 				if (ScriptServer::is_global_class(name)) {
-					new_node = Object::cast_to<Node>(ClassDB::instance(ScriptServer::get_global_class_base(name)));
+					new_node = Object::cast_to<Node>(ClassDB::instance(ScriptServer::get_global_class_native_base(name)));
 					Ref<Script> script = ResourceLoader::load(ScriptServer::get_global_class_path(name), "Script");
 					if (new_node && script.is_valid()) {
 						new_node->set_script(script.get_ref_ptr());
@@ -962,7 +963,7 @@ void SceneTreeDock::_notification(int p_what) {
 
 			Button *button_custom = memnew(Button);
 			node_shortcuts->add_child(button_custom);
-			button_custom->set_text(TTR("Custom Node"));
+			button_custom->set_text(TTR("Other Node"));
 			button_custom->set_icon(get_icon("Add", "EditorIcons"));
 			button_custom->connect("pressed", this, "_tool_selected", make_binds(TOOL_NEW, false));
 
@@ -1653,9 +1654,9 @@ void SceneTreeDock::_update_script_button() {
 		}
 	} else {
 		button_create_script->show();
-		List<Node *> selection = EditorNode::get_singleton()->get_editor_selection()->get_selected_node_list();
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			Node *n = E->get();
+		Array selection = editor_selection->get_selected_nodes();
+		for (int i = 0; i < selection.size(); i++) {
+			Node *n = Object::cast_to<Node>(selection[i]);
 			if (!n->get_script().is_null()) {
 				button_clear_script->show();
 				return;
@@ -1800,7 +1801,7 @@ void SceneTreeDock::replace_node(Node *p_node, Node *p_by_node, bool p_keep_prop
 			Object::Connection &c = F->get();
 			if (!(c.flags & Object::CONNECT_PERSIST))
 				continue;
-			newnode->connect(c.signal, c.target, c.method, varray(), Object::CONNECT_PERSIST);
+			newnode->connect(c.signal, c.target, c.method, c.binds, Object::CONNECT_PERSIST);
 		}
 	}
 
@@ -2294,7 +2295,7 @@ void SceneTreeDock::_update_create_root_dialog() {
 					button->set_text(TTR(l));
 					String name = l.get_slicec(' ', 0);
 					if (ScriptServer::is_global_class(name))
-						name = ScriptServer::get_global_class_base(name);
+						name = ScriptServer::get_global_class_native_base(name);
 					button->set_icon(EditorNode::get_singleton()->get_class_icon(name));
 					button->connect("pressed", this, "_favorite_root_selected", make_binds(l));
 				}
diff --git a/editor/scene_tree_editor.cpp b/editor/scene_tree_editor.cpp
index 6602d2974f..c023c41747 100644
--- a/editor/scene_tree_editor.cpp
+++ b/editor/scene_tree_editor.cpp
@@ -244,7 +244,7 @@ bool SceneTreeEditor::_add_nodes(Node *p_node, TreeItem *p_parent) {
 		item->set_tooltip(0, String(p_node->get_name()) + "\n" + TTR("Type:") + " " + p_node->get_class());
 	}
 
-	if (can_open_instance) {
+	if (can_open_instance && undo_redo) { //Show buttons only when necessary(SceneTreeDock) to avoid crashes
 
 		if (!p_node->is_connected("script_changed", this, "_node_script_changed"))
 			p_node->connect("script_changed", this, "_node_script_changed", varray(p_node));
@@ -549,32 +549,28 @@ void SceneTreeEditor::_cell_multi_selected(Object *p_object, int p_cell, bool p_
 
 void SceneTreeEditor::_notification(int p_what) {
 
-	if (p_what == NOTIFICATION_ENTER_TREE) {
-
-		get_tree()->connect("tree_changed", this, "_tree_changed");
-		get_tree()->connect("node_removed", this, "_node_removed");
-		get_tree()->connect("node_configuration_warning_changed", this, "_warning_changed");
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE: {
 
-		tree->connect("item_collapsed", this, "_cell_collapsed");
+			get_tree()->connect("tree_changed", this, "_tree_changed");
+			get_tree()->connect("node_removed", this, "_node_removed");
+			get_tree()->connect("node_configuration_warning_changed", this, "_warning_changed");
 
-		EditorSettings::get_singleton()->connect("settings_changed", this, "_editor_settings_changed");
-		_editor_settings_changed();
+			tree->connect("item_collapsed", this, "_cell_collapsed");
 
-		//get_scene()->connect("tree_changed",this,"_tree_changed",Vector<Variant>(),CONNECT_DEFERRED);
-		//get_scene()->connect("node_removed",this,"_node_removed",Vector<Variant>(),CONNECT_DEFERRED);
-		_update_tree();
-	}
-	if (p_what == NOTIFICATION_EXIT_TREE) {
+			_update_tree();
+		} break;
+		case NOTIFICATION_EXIT_TREE: {
 
-		get_tree()->disconnect("tree_changed", this, "_tree_changed");
-		get_tree()->disconnect("node_removed", this, "_node_removed");
-		tree->disconnect("item_collapsed", this, "_cell_collapsed");
-		get_tree()->disconnect("node_configuration_warning_changed", this, "_warning_changed");
-		EditorSettings::get_singleton()->disconnect("settings_changed", this, "_editor_settings_changed");
-	}
-	if (p_what == NOTIFICATION_THEME_CHANGED) {
+			get_tree()->disconnect("tree_changed", this, "_tree_changed");
+			get_tree()->disconnect("node_removed", this, "_node_removed");
+			tree->disconnect("item_collapsed", this, "_cell_collapsed");
+			get_tree()->disconnect("node_configuration_warning_changed", this, "_warning_changed");
+		} break;
+		case NOTIFICATION_THEME_CHANGED: {
 
-		_update_tree();
+			_update_tree();
+		} break;
 	}
 }
 
@@ -978,20 +974,6 @@ void SceneTreeEditor::_warning_changed(Node *p_for_node) {
 	update_timer->start();
 }
 
-void SceneTreeEditor::_editor_settings_changed() {
-	bool enable_rl = EditorSettings::get_singleton()->get("docks/scene_tree/draw_relationship_lines");
-	Color rl_color = EditorSettings::get_singleton()->get("docks/scene_tree/relationship_line_color");
-
-	if (enable_rl) {
-		tree->add_constant_override("draw_relationship_lines", 1);
-		tree->add_color_override("relationship_line_color", rl_color);
-		tree->add_constant_override("draw_guides", 0);
-	} else {
-		tree->add_constant_override("draw_relationship_lines", 0);
-		tree->add_constant_override("draw_guides", 1);
-	}
-}
-
 void SceneTreeEditor::_bind_methods() {
 
 	ClassDB::bind_method("_tree_changed", &SceneTreeEditor::_tree_changed);
@@ -1012,8 +994,6 @@ void SceneTreeEditor::_bind_methods() {
 	ClassDB::bind_method("_node_script_changed", &SceneTreeEditor::_node_script_changed);
 	ClassDB::bind_method("_node_visibility_changed", &SceneTreeEditor::_node_visibility_changed);
 
-	ClassDB::bind_method("_editor_settings_changed", &SceneTreeEditor::_editor_settings_changed);
-
 	ClassDB::bind_method(D_METHOD("get_drag_data_fw"), &SceneTreeEditor::get_drag_data_fw);
 	ClassDB::bind_method(D_METHOD("can_drop_data_fw"), &SceneTreeEditor::can_drop_data_fw);
 	ClassDB::bind_method(D_METHOD("drop_data_fw"), &SceneTreeEditor::drop_data_fw);
diff --git a/editor/scene_tree_editor.h b/editor/scene_tree_editor.h
index 9b87c0981d..aa4d4dd58a 100644
--- a/editor/scene_tree_editor.h
+++ b/editor/scene_tree_editor.h
@@ -124,8 +124,6 @@ class SceneTreeEditor : public Control {
 
 	void _warning_changed(Node *p_for_node);
 
-	void _editor_settings_changed();
-
 	Timer *update_timer;
 
 	List<StringName> *script_types;
diff --git a/editor/script_editor_debugger.cpp b/editor/script_editor_debugger.cpp
index 6b7c4781dd..dda46d2414 100644
--- a/editor/script_editor_debugger.cpp
+++ b/editor/script_editor_debugger.cpp
@@ -1040,17 +1040,6 @@ void ScriptEditorDebugger::_notification(int p_what) {
 
 			reason->add_color_override("font_color", get_color("error_color", "Editor"));
 
-			bool enable_rl = EditorSettings::get_singleton()->get("docks/scene_tree/draw_relationship_lines");
-			Color rl_color = EditorSettings::get_singleton()->get("docks/scene_tree/relationship_line_color");
-
-			if (enable_rl) {
-				inspect_scene_tree->add_constant_override("draw_relationship_lines", 1);
-				inspect_scene_tree->add_color_override("relationship_line_color", rl_color);
-				inspect_scene_tree->add_constant_override("draw_guides", 0);
-			} else {
-				inspect_scene_tree->add_constant_override("draw_relationship_lines", 0);
-				inspect_scene_tree->add_constant_override("draw_guides", 1);
-			}
 		} break;
 		case NOTIFICATION_PROCESS: {
 
@@ -1226,24 +1215,15 @@ void ScriptEditorDebugger::_notification(int p_what) {
 				if (OS::get_singleton()->get_ticks_msec() > until)
 					break;
 			}
-
 		} break;
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
+
 			tabs->add_style_override("panel", editor->get_gui_base()->get_stylebox("DebuggerPanel", "EditorStyles"));
 			tabs->add_style_override("tab_fg", editor->get_gui_base()->get_stylebox("DebuggerTabFG", "EditorStyles"));
 			tabs->add_style_override("tab_bg", editor->get_gui_base()->get_stylebox("DebuggerTabBG", "EditorStyles"));
 			tabs->set_margin(MARGIN_LEFT, -EditorNode::get_singleton()->get_gui_base()->get_stylebox("BottomPanelDebuggerOverride", "EditorStyles")->get_margin(MARGIN_LEFT));
 			tabs->set_margin(MARGIN_RIGHT, EditorNode::get_singleton()->get_gui_base()->get_stylebox("BottomPanelDebuggerOverride", "EditorStyles")->get_margin(MARGIN_RIGHT));
 
-			bool enable_rl = EditorSettings::get_singleton()->get("docks/scene_tree/draw_relationship_lines");
-			Color rl_color = EditorSettings::get_singleton()->get("docks/scene_tree/relationship_line_color");
-
-			if (enable_rl) {
-				inspect_scene_tree->add_constant_override("draw_relationship_lines", 1);
-				inspect_scene_tree->add_color_override("relationship_line_color", rl_color);
-			} else
-				inspect_scene_tree->add_constant_override("draw_relationship_lines", 0);
-
 			copy->set_icon(get_icon("ActionCopy", "EditorIcons"));
 			step->set_icon(get_icon("DebugStep", "EditorIcons"));
 			next->set_icon(get_icon("DebugNext", "EditorIcons"));
@@ -1252,7 +1232,6 @@ void ScriptEditorDebugger::_notification(int p_what) {
 			dobreak->set_icon(get_icon("Pause", "EditorIcons"));
 			docontinue->set_icon(get_icon("DebugContinue", "EditorIcons"));
 			vmem_refresh->set_icon(get_icon("Reload", "EditorIcons"));
-
 		} break;
 	}
 }
diff --git a/editor/settings_config_dialog.cpp b/editor/settings_config_dialog.cpp
index 611067214d..d6756b2bb3 100644
--- a/editor/settings_config_dialog.cpp
+++ b/editor/settings_config_dialog.cpp
@@ -187,7 +187,7 @@ void EditorSettingsDialog::_update_icons() {
 	restart_close_button->set_icon(get_icon("Close", "EditorIcons"));
 	restart_container->add_style_override("panel", get_stylebox("bg", "Tree"));
 	restart_icon->set_texture(get_icon("StatusWarning", "EditorIcons"));
-	restart_label->add_color_override("font_color", get_color("error_color", "Editor"));
+	restart_label->add_color_override("font_color", get_color("warning_color", "Editor"));
 }
 
 void EditorSettingsDialog::_update_shortcuts() {
diff --git a/editor/spatial_editor_gizmos.cpp b/editor/spatial_editor_gizmos.cpp
index 0a8e7ea779..2e06a903aa 100644
--- a/editor/spatial_editor_gizmos.cpp
+++ b/editor/spatial_editor_gizmos.cpp
@@ -805,6 +805,10 @@ String LightSpatialGizmoPlugin::get_name() const {
 	return "Lights";
 }
 
+int LightSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String LightSpatialGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	if (p_idx == 0)
@@ -1062,6 +1066,10 @@ String AudioStreamPlayer3DSpatialGizmoPlugin::get_name() const {
 	return "AudioStreamPlayer3D";
 }
 
+int AudioStreamPlayer3DSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String AudioStreamPlayer3DSpatialGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	return "Emission Radius";
@@ -1202,6 +1210,10 @@ String CameraSpatialGizmoPlugin::get_name() const {
 	return "Camera";
 }
 
+int CameraSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String CameraSpatialGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	Camera *camera = Object::cast_to<Camera>(p_gizmo->get_spatial_node());
@@ -1425,6 +1437,10 @@ String MeshInstanceSpatialGizmoPlugin::get_name() const {
 	return "MeshInstance";
 }
 
+int MeshInstanceSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 bool MeshInstanceSpatialGizmoPlugin::can_be_hidden() const {
 	return false;
 }
@@ -1458,6 +1474,10 @@ String Sprite3DSpatialGizmoPlugin::get_name() const {
 	return "Sprite3D";
 }
 
+int Sprite3DSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 bool Sprite3DSpatialGizmoPlugin::can_be_hidden() const {
 	return false;
 }
@@ -1517,6 +1537,10 @@ String Position3DSpatialGizmoPlugin::get_name() const {
 	return "Position3D";
 }
 
+int Position3DSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void Position3DSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	p_gizmo->clear();
@@ -1540,6 +1564,10 @@ String SkeletonSpatialGizmoPlugin::get_name() const {
 	return "Skeleton";
 }
 
+int SkeletonSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void SkeletonSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	Skeleton *skel = Object::cast_to<Skeleton>(p_gizmo->get_spatial_node());
@@ -1743,6 +1771,10 @@ String PhysicalBoneSpatialGizmoPlugin::get_name() const {
 	return "PhysicalBones";
 }
 
+int PhysicalBoneSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void PhysicalBoneSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	p_gizmo->clear();
@@ -1982,6 +2014,10 @@ String RayCastSpatialGizmoPlugin::get_name() const {
 	return "RayCast";
 }
 
+int RayCastSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void RayCastSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	RayCast *raycast = Object::cast_to<RayCast>(p_gizmo->get_spatial_node());
@@ -2031,6 +2067,10 @@ String SpringArmSpatialGizmoPlugin::get_name() const {
 	return "SpringArm";
 }
 
+int SpringArmSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 /////
 
 VehicleWheelSpatialGizmoPlugin::VehicleWheelSpatialGizmoPlugin() {
@@ -2047,6 +2087,10 @@ String VehicleWheelSpatialGizmoPlugin::get_name() const {
 	return "VehicleWheel";
 }
 
+int VehicleWheelSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void VehicleWheelSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	VehicleWheel *car_wheel = Object::cast_to<VehicleWheel>(p_gizmo->get_spatial_node());
@@ -2117,6 +2161,10 @@ String SoftBodySpatialGizmoPlugin::get_name() const {
 	return "SoftBody";
 }
 
+int SoftBodySpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 bool SoftBodySpatialGizmoPlugin::is_selectable_when_hidden() const {
 	return true;
 }
@@ -2189,6 +2237,10 @@ String VisibilityNotifierGizmoPlugin::get_name() const {
 	return "VisibilityNotifier";
 }
 
+int VisibilityNotifierGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String VisibilityNotifierGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	switch (p_idx) {
@@ -2339,6 +2391,10 @@ String ParticlesGizmoPlugin::get_name() const {
 	return "Particles";
 }
 
+int ParticlesGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 bool ParticlesGizmoPlugin::is_selectable_when_hidden() const {
 	return true;
 }
@@ -2498,6 +2554,10 @@ String ReflectionProbeGizmoPlugin::get_name() const {
 	return "ReflectionProbe";
 }
 
+int ReflectionProbeGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String ReflectionProbeGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	switch (p_idx) {
@@ -2674,6 +2734,10 @@ String GIProbeGizmoPlugin::get_name() const {
 	return "GIProbe";
 }
 
+int GIProbeGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String GIProbeGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	switch (p_idx) {
@@ -2908,6 +2972,10 @@ String BakedIndirectLightGizmoPlugin::get_name() const {
 	return "BakedLightmap";
 }
 
+int BakedIndirectLightGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void BakedIndirectLightGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	BakedLightmap *baker = Object::cast_to<BakedLightmap>(p_gizmo->get_spatial_node());
@@ -2965,6 +3033,10 @@ String CollisionShapeSpatialGizmoPlugin::get_name() const {
 	return "CollisionShape";
 }
 
+int CollisionShapeSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 String CollisionShapeSpatialGizmoPlugin::get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const {
 
 	const CollisionShape *cs = Object::cast_to<CollisionShape>(p_gizmo->get_spatial_node());
@@ -3557,6 +3629,10 @@ String CollisionPolygonSpatialGizmoPlugin::get_name() const {
 	return "CollisionPolygon";
 }
 
+int CollisionPolygonSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void CollisionPolygonSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	CollisionPolygon *polygon = Object::cast_to<CollisionPolygon>(p_gizmo->get_spatial_node());
@@ -3601,6 +3677,10 @@ String NavigationMeshSpatialGizmoPlugin::get_name() const {
 	return "NavigationMeshInstance";
 }
 
+int NavigationMeshSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void NavigationMeshSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 
 	NavigationMeshInstance *navmesh = Object::cast_to<NavigationMeshInstance>(p_gizmo->get_spatial_node());
@@ -3961,6 +4041,10 @@ String JointSpatialGizmoPlugin::get_name() const {
 	return "Joints";
 }
 
+int JointSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 void JointSpatialGizmoPlugin::redraw(EditorSpatialGizmo *p_gizmo) {
 	Joint *joint = Object::cast_to<Joint>(p_gizmo->get_spatial_node());
 
diff --git a/editor/spatial_editor_gizmos.h b/editor/spatial_editor_gizmos.h
index 0d89fb0f03..3661df4bad 100644
--- a/editor/spatial_editor_gizmos.h
+++ b/editor/spatial_editor_gizmos.h
@@ -43,6 +43,7 @@ class LightSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
 	Variant get_handle_value(EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -60,6 +61,7 @@ class AudioStreamPlayer3DSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
 	Variant get_handle_value(EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -77,6 +79,7 @@ class CameraSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
 	Variant get_handle_value(EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -94,6 +97,7 @@ class MeshInstanceSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	bool can_be_hidden() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
@@ -107,6 +111,7 @@ class Sprite3DSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	bool can_be_hidden() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
@@ -123,6 +128,7 @@ class Position3DSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	Position3DSpatialGizmoPlugin();
@@ -135,6 +141,7 @@ class SkeletonSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	SkeletonSpatialGizmoPlugin();
@@ -147,6 +154,7 @@ class PhysicalBoneSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	PhysicalBoneSpatialGizmoPlugin();
@@ -172,6 +180,7 @@ class RayCastSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	RayCastSpatialGizmoPlugin();
@@ -184,6 +193,7 @@ class SpringArmSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	SpringArmSpatialGizmoPlugin();
@@ -196,6 +206,7 @@ class VehicleWheelSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	VehicleWheelSpatialGizmoPlugin();
@@ -208,6 +219,7 @@ class SoftBodySpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	bool is_selectable_when_hidden() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
@@ -226,6 +238,7 @@ class VisibilityNotifierGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -243,6 +256,7 @@ class ParticlesGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	bool is_selectable_when_hidden() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
@@ -261,6 +275,7 @@ class ReflectionProbeGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -278,6 +293,7 @@ class GIProbeGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -295,6 +311,7 @@ class BakedIndirectLightGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -312,6 +329,7 @@ class CollisionShapeSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	String get_handle_name(const EditorSpatialGizmo *p_gizmo, int p_idx) const;
@@ -328,6 +346,7 @@ class CollisionPolygonSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 	CollisionPolygonSpatialGizmoPlugin();
 };
@@ -347,6 +366,7 @@ class NavigationMeshSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	NavigationMeshSpatialGizmoPlugin();
@@ -374,6 +394,7 @@ class JointSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
 	static void CreatePinJointGizmo(const Transform &p_offset, Vector<Vector3> &r_cursor_points);
diff --git a/editor/translations/af.po b/editor/translations/af.po
index 249e68ff53..acc57bd967 100644
--- a/editor/translations/af.po
+++ b/editor/translations/af.po
@@ -4,12 +4,13 @@
 # This file is distributed under the same license as the Godot source code.
 # Ray West <the.raxar@gmail.com>, 2017.
 # Julius Stopforth <jjstopforth@gmail.com>, 2018.
+# Isa Tippens <isatippens2@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2018-12-13 14:38+0100\n"
-"Last-Translator: Julius Stopforth <jjstopforth@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: Isa Tippens <isatippens2@gmail.com>\n"
 "Language-Team: Afrikaans <https://hosted.weblate.org/projects/godot-engine/"
 "godot/af/>\n"
 "Language: af\n"
@@ -17,7 +18,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Poedit 2.2\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -62,7 +63,7 @@ msgstr ""
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr ""
+msgstr "Bevry"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
@@ -1398,8 +1399,22 @@ msgstr "Verpak"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1453,7 +1468,7 @@ msgstr "Open 'n Lêer"
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Verfris"
 
@@ -1528,10 +1543,33 @@ msgstr "Skuif Gunsteling Op"
 msgid "Move Favorite Down"
 msgstr "Skuif Gunsteling Af"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Voorskou:"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Skep Vouer"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Gaan na ouer vouer"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Kon nie vouer skep nie."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Gidse & Lêers:"
@@ -1772,9 +1810,9 @@ msgstr "Afvoer:"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Fout tydens storing van hulpbron!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1782,6 +1820,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Fout tydens storing van hulpbron!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Stoor Hulpbron As..."
 
@@ -3024,14 +3072,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3179,10 +3219,6 @@ msgid "Search files"
 msgstr "Deursoek Klasse"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5170,19 +5206,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5273,11 +5309,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5880,6 +5916,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6954,6 +6998,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7105,6 +7165,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Skep Intekening"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Verwyder"
@@ -7226,6 +7295,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9811,6 +9884,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9825,6 +9904,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9972,6 +10057,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9980,6 +10073,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Gaan na ouer vouer"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/ar.po b/editor/translations/ar.po
index ce40d0bdfa..6807717a59 100644
--- a/editor/translations/ar.po
+++ b/editor/translations/ar.po
@@ -23,12 +23,13 @@
 # عاصم شكر - Aasem shokr <aasemshokr@gmail.com>, 2018.
 # Mohammad Fares <mhdchehade@gmail.com>, 2018.
 # NewFriskFan26 <newfriskfan26@gmail.com>, 2019.
+# spiderx0x <legendofdarks@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-18 08:54+0000\n"
-"Last-Translator: Rex_sa <asd1234567890m@gmail.com>\n"
+"PO-Revision-Date: 2019-03-24 17:38+0000\n"
+"Last-Translator: spiderx0x <legendofdarks@gmail.com>\n"
 "Language-Team: Arabic <https://hosted.weblate.org/projects/godot-engine/"
 "godot/ar/>\n"
 "Language: ar\n"
@@ -37,7 +38,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
 "&& n%100<=10 ? 3 : n%100>=11 ? 4 : 5;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -60,24 +61,23 @@ msgstr "لا يمكن استخدام الحالة لأن لحظة التشغيل
 
 #: core/math/expression.cpp
 msgid "Invalid operands to operator %s, %s and %s."
-msgstr ""
+msgstr "معاملات غير صالحة للتشغل s,%s% و s%."
 
 #: core/math/expression.cpp
 msgid "Invalid index of type %s for base type %s"
-msgstr "الرمز غير متاح للنوع %s للنوع الصل %s"
+msgstr "الرمز غير متاح للنوع %s للنوع %s"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
-msgstr ""
+msgstr "أسم غير صحيح لل�هرس '%s' للنوع الأساسي %s"
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid arguments to construct '%s'"
-msgstr "نوع برهان خاطئ للتحويل()، إستخدم ثابت TYPE_*."
+msgstr "نقاش غير صالحة للبناء '%s'"
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
-msgstr "عند نداء '%s':"
+msgstr "عند الأستدعاء إلى '%s':"
 
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -86,15 +86,15 @@ msgstr "مجاني/�ارغ"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
-msgstr "معزز"
+msgstr "متوازن / متعادل"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Mirror"
-msgstr "عكس"
+msgstr "عكس / الإنعكاس"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
-msgstr "أدخل م�تاحاً هنا"
+msgstr "أدخل الرمز هنا"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Duplicate Selected Key(s)"
@@ -102,17 +102,15 @@ msgstr "تكرار الم�اتيح المحدد(ة)"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Delete Selected Key(s)"
-msgstr "إمسح الم�اتيح المحدد(ة)"
+msgstr "إمسح الزموز المحدد(ة)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "إضا�ة نقطة"
+msgstr "إضا�ة نقطة Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "مسح النقطة"
+msgstr "تحريك نقطة الBezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -128,7 +126,7 @@ msgstr "تغيير وقت الإطار الرئيسي للحركة"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transition"
-msgstr "إنتقالية تغيير التحريك"
+msgstr "تغيير المقطع الإنتقالي"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transform"
@@ -143,14 +141,13 @@ msgid "Anim Change Call"
 msgstr "نداء تغيير التحريك"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "تغيير إسم الحركة:"
+msgstr "تعديل طول عرض الحركة"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "تعديل رباط عرض الحركة"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
@@ -202,9 +199,8 @@ msgid "Anim Clips:"
 msgstr "مقاطع الحركة:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "تغيير قيمة �ي المص�و�ة"
+msgstr "تغيير مسار الطريق"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -215,27 +211,24 @@ msgid "Update Mode (How this property is set)"
 msgstr "وضع التحديث (كي� يتم تعيين هذه الخاصية)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Interpolation Mode"
-msgstr "عقدة الحركة"
+msgstr "وضعية الأستي�اء"
 
 #: editor/animation_track_editor.cpp
 msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
-msgstr ""
+msgstr "وضع الت�ا� الحلقة (نهاية العشوائية مع بداية الحلقة)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Remove this track."
-msgstr "ازالة المسار المحدد."
+msgstr "إزالة هذا المسار."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Time (s): "
-msgstr "وقت التلاشي X (ثواني):"
+msgstr "الوقت(ثواني): "
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle Track Enabled"
-msgstr ""
+msgstr "ترجيح المسار الم��عل"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -250,9 +243,8 @@ msgid "Trigger"
 msgstr "م�طلق"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Capture"
-msgstr "المستقبل"
+msgstr "التقاط"
 
 #: editor/animation_track_editor.cpp
 msgid "Nearest"
@@ -269,11 +261,11 @@ msgstr "مكعب"
 
 #: editor/animation_track_editor.cpp
 msgid "Clamp Loop Interp"
-msgstr ""
+msgstr "ت�سير الحلقة المثبتة"
 
 #: editor/animation_track_editor.cpp
 msgid "Wrap Loop Interp"
-msgstr ""
+msgstr "الت�ا� الحلقة المثبتة"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
@@ -281,29 +273,24 @@ msgid "Insert Key"
 msgstr "أدخل م�تاح"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Duplicate Key(s)"
-msgstr "م�اتيح نسخ التحريك"
+msgstr "م�تاح (م�اتيح) المكررة"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Delete Key(s)"
-msgstr "م�اتيح حذ� التحريك"
+msgstr "م�تاح الحذ�()"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "تغيير إسم الحركة:"
+msgstr "تغيير وضع تحديث الحركة"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "عقدة الحركة"
+msgstr "تغيير وضع عقدة الحركة"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "تغيير تكرير الحركة"
+msgstr "تغيير وضع عقدة الحركة"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -332,7 +319,7 @@ msgstr "إدخال حركة"
 
 #: editor/animation_track_editor.cpp
 msgid "AnimationPlayer can't animate itself, only other players."
-msgstr ""
+msgstr "اللأعب المتحرك لا يستطيع تحريك ن�سه ,�قط اللاعبين الآخرين."
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Create & Insert"
@@ -344,21 +331,19 @@ msgstr "أنشي مسار حركة و م�تاح"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Key"
-msgstr "أض� م�تاح  حركة"
+msgstr "أض� م�تاح الحركة"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "تغيير إسم الحركة:"
+msgstr "تغيير خطوة الحركة"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "اعادة ترتيب التحميلات التلقائية"
+msgstr "إعادة ترتيب المسارات"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
-msgstr ""
+msgstr "تنطبق مسارات التحويل �قط على الحيز المكاني."
 
 #: editor/animation_track_editor.cpp
 msgid ""
@@ -367,6 +352,10 @@ msgid ""
 "-AudioStreamPlayer2D\n"
 "-AudioStreamPlayer3D"
 msgstr ""
+"يمكن للمسارات الصوتية أن تشير �قط إلى حيز الكتابة:\n"
+"-الصوت الجاري للأعب\n"
+"-الصوت الجاري للأعب ثنائي الأبعاد\n"
+"-الصوت الجاري للأعب ثلاثي الأبعاد"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation tracks can only point to AnimationPlayer nodes."
@@ -1406,8 +1395,22 @@ msgstr "يَحزم\"ينتج المل� المضغوط\""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1459,7 +1462,7 @@ msgstr "أظهر �ي مدير المل�ات"
 msgid "New Folder..."
 msgstr "مجلد جديد..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "تحديث"
 
@@ -1534,10 +1537,35 @@ msgstr "حرك الم��ضلة للأعلي"
 msgid "Move Favorite Down"
 msgstr "حرك الم��ضلة للأس�ل"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "التبويب السابق"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "أنشئ مجلد"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "إذهب إلي المجلد السابق"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "لا يمكن إنشاء المجلد."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "أظهر العناصر كشبكة من الصور المصغرة"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "أظهر العناصر كقائمة"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "الوجهات والمل�ات:"
@@ -1778,9 +1806,9 @@ msgstr "أخلاء الخرج"
 msgid "Project export failed with error code %d."
 msgstr "تصدير المشروع �شل, رمز الخطأ % d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "خطأ �ي ح�ظ المورد!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1788,6 +1816,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "خطأ �ي ح�ظ المورد!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "ح�ظ المورد باسم..."
 
@@ -2217,7 +2255,7 @@ msgstr "تمكين/إيقا� الوضع الخالي من الإلهاء."
 
 #: editor/editor_node.cpp
 msgid "Add a new scene."
-msgstr "إضا�ة مشهد جديد"
+msgstr "إضا�ة مشهد جديد."
 
 #: editor/editor_node.cpp
 msgid "Scene"
@@ -3099,16 +3137,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "لا يمكن التنقل إلي '%s' حيث لم يتم العثور عليها �ي نظام المل�ات!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "أظهر العناصر كشبكة من الصور المصغرة"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "أظهر العناصر كقائمة"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr "الحالة: إستيراد المل� �شل. من �ضلك أصلح المل� و أعد إستيراده يدوياً."
 
@@ -3252,10 +3280,6 @@ msgid "Search files"
 msgstr "إبحث �ي الأصنا�"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "نمذج المشهد(المشاهد) المحددة كط�ل للعقدة المحددة."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4511,9 +4535,8 @@ msgid "Official"
 msgstr "رسمياً"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "Testing"
-msgstr "تجريب"
+msgstr "أختبار"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Assets ZIP File"
@@ -4599,44 +4622,38 @@ msgid "Create new horizontal and vertical guides"
 msgstr "إنشاء موجه عمودي وأ�قي جديد"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move pivot"
-msgstr "تحريك المحور"
+msgstr "نقل المحور"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Rotate CanvasItem"
-msgstr "تعديل العنصر القماشي"
+msgstr "تدوير العنصر القماشي"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move anchor"
-msgstr "عملية التحريك"
+msgstr "نقل الإرتكاز"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Resize CanvasItem"
-msgstr "تعديل العنصر القماشي"
+msgstr "تغير حجم العنصر القماشي"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Scale CanvasItem"
-msgstr "تعديل العنصر القماشي"
+msgstr "مقياس العنصر القماشي"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move CanvasItem"
-msgstr "تعديل العنصر القماشي"
+msgstr "تحريك العنصر القماشي"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
-msgstr ""
+msgstr "إعدادات مسبقة للمخططات والتحكم بالدمج ."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid ""
 "Children of containers have their anchors and margins values overridden by "
 "their parent."
-msgstr ""
+msgstr "تجاوز الأط�ال الثوابت والقيم وتجاهل الوالدين ."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Anchors only"
@@ -4658,14 +4675,13 @@ msgstr "لصق الوضع"
 msgid ""
 "Warning: Children of a container get their position and size determined only "
 "by their parent."
-msgstr ""
+msgstr "تحذير: الأط�ال يأخذون موقعهم وحجمهم من خلال الوالدين �قط."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
-#, fuzzy
 msgid "Zoom Reset"
-msgstr "إبعاد"
+msgstr "إعادة تعيين التكبير"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Select Mode"
@@ -5292,6 +5308,10 @@ msgid "Generating Visibility Rect"
 msgstr "توليد Rect الرؤية"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "توليد Rect الرؤية"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "لا يمكن إنشاء سوى نقطة وحيدة داخل ParticlesMaterial معالج المواد"
 
@@ -5304,10 +5324,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "لا بيكسل بش�ا�ية > 128 �ي الصورة..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "توليد Rect الرؤية"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "حمل قناع الانبعاث"
 
@@ -5396,13 +5412,13 @@ msgid "Generating AABB"
 msgstr "توليد AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "ولد AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "ولد رؤية AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "ولد AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "إزالة نقطة من المنحنى"
@@ -6018,6 +6034,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7113,6 +7137,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "التبويب السابق"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7268,6 +7309,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "إنشاء بولي"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "مسح القالب"
@@ -7399,6 +7449,11 @@ msgid "Exporting All"
 msgstr "التصدير كـ %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "هذا المسار غير موجود."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10012,6 +10067,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10026,6 +10087,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10175,6 +10242,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "أض� اللون الحالي كإعداد مسبق"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "تنبيه!"
@@ -10183,6 +10258,11 @@ msgstr "تنبيه!"
 msgid "Please Confirm..."
 msgstr "يرجى التاكيد..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "إذهب إلي المجلد السابق"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10221,41 +10301,42 @@ msgstr ""
 
 #: scene/resources/dynamic_font.cpp
 msgid "Error initializing FreeType."
-msgstr ""
+msgstr "خطأ �ي معر�ة النوع الحر."
 
 #: scene/resources/dynamic_font.cpp
 msgid "Unknown font format."
-msgstr ""
+msgstr "صيغة الخط غير معرو�ة."
 
 #: scene/resources/dynamic_font.cpp
 msgid "Error loading font."
-msgstr ""
+msgstr "حدث خطأ أثناء تحميل الخط."
 
 #: scene/resources/dynamic_font.cpp
 msgid "Invalid font size."
-msgstr "حجم الخط غير صالح"
+msgstr "حجم الخط غير مناسب."
 
 #: scene/resources/visual_shader.cpp
-#, fuzzy
 msgid "Input"
-msgstr "أض� مدخله"
+msgstr "إدخال"
 
 #: scene/resources/visual_shader_nodes.cpp
-#, fuzzy
 msgid "Invalid source for shader."
-msgstr "حجم الخط غير صالح"
+msgstr "مصدر غير صالح لتظليل."
 
 #: servers/visual/shader_language.cpp
 msgid "Assignment to function."
-msgstr ""
+msgstr "التعيين لتعمل."
 
 #: servers/visual/shader_language.cpp
 msgid "Assignment to uniform."
-msgstr ""
+msgstr "التعين للإنتظام."
 
 #: servers/visual/shader_language.cpp
 msgid "Varyings can only be assigned in vertex function."
-msgstr ""
+msgstr "يمكن تعيين المتغيرات �قط �ي الذروة ."
+
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "نمذج المشهد(المشاهد) المحددة كط�ل للعقدة المحددة."
 
 #, fuzzy
 #~ msgid "Font Size:"
diff --git a/editor/translations/bg.po b/editor/translations/bg.po
index a629e78a9c..a179f3b438 100644
--- a/editor/translations/bg.po
+++ b/editor/translations/bg.po
@@ -1373,8 +1373,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1425,7 +1439,7 @@ msgstr "Покажи във Файлов Мениджър"
 msgid "New Folder..."
 msgstr "�ова папка..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1500,10 +1514,33 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Предишен подпрозорец"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Създаване на папка"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Към горната папка"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "�еу�пешно �ъздаване на папка."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Папки и файлове:"
@@ -1736,8 +1773,8 @@ msgstr "�ова �цена"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1746,6 +1783,16 @@ msgid "OK"
 msgstr "Добре"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -3011,14 +3058,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3167,10 +3206,6 @@ msgid "Search files"
 msgstr "Тър�ене"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5191,19 +5226,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5294,11 +5329,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5899,6 +5934,14 @@ msgid "Open Godot online documentation"
 msgstr "Отвори документаци�та на Godot онлайн"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6981,6 +7024,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Следващ �крипт"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Предишен подпрозорец"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7138,6 +7199,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Преме�тване на Полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Преме�тване на Полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Затвар�не на в�ичко"
 
@@ -7266,6 +7337,10 @@ msgid "Exporting All"
 msgstr "Изна��не за %s"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9938,6 +10013,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9952,6 +10033,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10099,6 +10186,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Тревога!"
@@ -10107,6 +10202,11 @@ msgstr "Тревога!"
 msgid "Please Confirm..."
 msgstr "Мол�, потвърдете..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Към горната папка"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/bn.po b/editor/translations/bn.po
index 845cceaf35..3634ca82d2 100644
--- a/editor/translations/bn.po
+++ b/editor/translations/bn.po
@@ -1428,8 +1428,22 @@ msgstr "প�যাক/গ�চ�ছিত করা"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1485,7 +1499,7 @@ msgstr "ফাইল-ম�যানেজারে দেখ�ন"
 msgid "New Folder..."
 msgstr "ফোল�ডার তৈরি কর�ন"
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "রিফ�রেস কর�ন"
 
@@ -1560,11 +1574,36 @@ msgstr "ফেবরিট/প�রিয়কে উপরের দিকে
 msgid "Move Favorite Down"
 msgstr "ফেবরিট/প�রিয়কে নিচের দিকে নামান"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "পূর�বের ট�যাব"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "ফোল�ডার তৈরি কর�ন"
+
+#: editor/editor_file_dialog.cpp
 #, fuzzy
 msgid "Go to parent folder"
 msgstr "ফোল�ডার তৈরী করা সম�ভব হয়নি।"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "ফোল�ডার তৈরী করা সম�ভব হয়নি।"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "থাম�বনেইল গ�রিড হিসাবে আইটেম দেখ�ন"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "লিস�ট হিসেবে আইটেম দেখ�ন"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "পথ �বং ফাইল:"
@@ -1817,9 +1856,9 @@ msgstr "আউটপ�ট/ফলাফল"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "রিসোর�স সংরক�ষণে সমস�যা হয়েছে!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1827,6 +1866,16 @@ msgid "OK"
 msgstr "সঠিক"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "রিসোর�স সংরক�ষণে সমস�যা হয়েছে!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "রিসোর�স �ইরূপে সংরক�ষণ কর�ন..."
 
@@ -3215,16 +3264,6 @@ msgstr "'% s' তে নেভিগেট করা যাবে না কাà
 
 #: editor/filesystem_dock.cpp
 #, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "থাম�বনেইল গ�রিড হিসাবে আইটেম দেখ�ন"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "লিস�ট হিসেবে আইটেম দেখ�ন"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "\n"
@@ -3386,10 +3425,6 @@ msgid "Search files"
 msgstr "ক�লাসের অন�সন�ধান কর�ন"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "নির�বাচিত দৃশ�য(সমূহ)-কে নির�বাচিত নোডের অংশ হিসেবে ইনস�ট�যান�স কর�ন।"
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5485,6 +5520,10 @@ msgid "Generating Visibility Rect"
 msgstr "ভিজিবিলিটি রেক�ট তৈরি কর�ন"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "ভিজিবিলিটি রেক�ট তৈরি কর�ন"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "শ�ধ�মাত�র ParticlesMaterial প�রসেস ম�যাটেরিয়ালে বিন�দ� স�থাপন সম�ভব"
 
@@ -5497,10 +5536,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "স�বচ�ছতাসহ কোনো পিক�সেল নেই > ছবিতে ১২৮..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "ভিজিবিলিটি রেক�ট তৈরি কর�ন"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Emission Mask লোড কর�ন"
 
@@ -5598,12 +5633,12 @@ msgid "Generating AABB"
 msgstr "AABB উৎপন�ন কর�ন"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+#, fuzzy
+msgid "Generate Visibility AABB"
 msgstr "AABB উৎপন�ন কর�ন"
 
 #: editor/plugins/particles_editor_plugin.cpp
-#, fuzzy
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr "AABB উৎপন�ন কর�ন"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6238,6 +6273,14 @@ msgid "Open Godot online documentation"
 msgstr "রেফারেন�সের ডক�মেন�টেশনে খ��জ�ন।"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "রেফারেন�সের ডক�মেন�টেশনে খ��জ�ন।"
 
@@ -7379,6 +7422,24 @@ msgid "Merge from Scene"
 msgstr "দৃশ�য হতে �কত�রিত করবেন"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "পরবর�তী স�ক�রিপ�ট"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "পূর�বের ট�যাব"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7536,6 +7597,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "পলিগন সরান"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "পলিগন সরান"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "বস�ত� অপসারণ কর�ন"
 
@@ -7674,6 +7745,11 @@ msgid "Exporting All"
 msgstr "%s �র জন�য �ক�সপোর�ট (export) হচ�ছে"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "ফাইলটি বিদ�যমান নয়।"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "�ই প�ল�যাটফর�মের জন�য দরকারি �ক�সপোর�ট টেমপ�লেটগ�লি ক�ষতিগ�রস�থ হয়েছে অথবা খ��জে পাওয়া "
@@ -10497,6 +10573,12 @@ msgstr ""
 "সফল�ভাবে কাজ করতে CollisionShape �র �কটি আকৃতি প�রয়োজন। অন�গ�রহ করে তার জন�য �কটি "
 "আকৃতি তৈরি কর�ন!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10512,6 +10594,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "ছবিসমূহ ব�লিটিং (Blitting) করা হচ�ছে"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10671,6 +10759,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "সতর�কতা!"
@@ -10679,6 +10775,11 @@ msgstr "সতর�কতা!"
 msgid "Please Confirm..."
 msgstr "অন�গ�রহ করে নিশ�চিত কর�ন..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "ফোল�ডার তৈরী করা সম�ভব হয়নি।"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10760,6 +10861,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "নির�বাচিত দৃশ�য(সমূহ)-কে নির�বাচিত নোডের অংশ হিসেবে ইনস�ট�যান�স কর�ন।"
+
 #~ msgid "FPS"
 #~ msgstr "�ফ পি �স"
 
diff --git a/editor/translations/ca.po b/editor/translations/ca.po
index e8642ec86f..27524d5417 100644
--- a/editor/translations/ca.po
+++ b/editor/translations/ca.po
@@ -1391,8 +1391,22 @@ msgstr "Compressió"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1445,7 +1459,7 @@ msgstr "Mostra en el Gestor de Fitxers"
 msgid "New Folder..."
 msgstr "Nou Directori..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Refresca"
 
@@ -1520,10 +1534,33 @@ msgstr "Mou Favorit Amunt"
 msgid "Move Favorite Down"
 msgstr "Mou Favorit Avall"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Planta Anterior"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Planta Següent"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Vés al directori principal"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "No s'ha pogut crear el directori."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Visualitza en una graella de miniatures."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Mostra'ls en una llista."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Directoris i Fitxers:"
@@ -1764,9 +1801,9 @@ msgstr "Buida la Sortida"
 msgid "Project export failed with error code %d."
 msgstr "L'exportació del projecte ha fallat amb el codi d'error %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Error en desar recurs!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1774,6 +1811,16 @@ msgid "OK"
 msgstr "D'acord"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Error en desar recurs!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Anomena i Desa el Recurs..."
 
@@ -3088,14 +3135,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "No es pot accedir a '%s'. No es troba en el sistema de fitxers!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Visualitza en una graella de miniatures."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Mostra'ls en una llista."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr "Estat: No s'ha pogut importar. Corregiu el fitxer i torneu a importar."
 
@@ -3236,10 +3275,6 @@ msgid "Search files"
 msgstr "Cerca Fitxers"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instancia les escenes seleccionades com a filles del node seleccionat."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5271,6 +5306,10 @@ msgid "Generating Visibility Rect"
 msgstr "Genera un Rectangle de Visibilitat"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Genera un Rectangle de Visibilitat"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Només es poden establir punts en materials de procés ParticlesMaterial"
 
@@ -5283,10 +5322,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Cap píxel amb transparència > 128 en la imatge..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Genera un Rectangle de Visibilitat"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Carrega una Màscara d'Emissió"
 
@@ -5375,13 +5410,13 @@ msgid "Generating AABB"
 msgstr "Generant AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Genera AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Genera un AABB de Visibilitat"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Genera AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Elimina un Punt de la Corba"
@@ -5998,6 +6033,14 @@ msgid "Open Godot online documentation"
 msgstr "Obre la Documentació en línia"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Cerca dins la documentació de referència."
 
@@ -7100,6 +7143,24 @@ msgid "Merge from Scene"
 msgstr "Combina-ho a partir de l'Escena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Planta Següent"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Planta Anterior"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7263,6 +7324,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Mou el Polígon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Mou el Polígon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Elimina la Plantilla"
 
@@ -7399,6 +7470,11 @@ msgid "Exporting All"
 msgstr "Exportació per a %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "El camí no existeix."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Manquen d'exportació per aquesta plataforma  o s'han malmès:"
 
@@ -10134,6 +10210,12 @@ msgstr ""
 "Cal proveir una forma perquè CollisionShape funcioni. Creeu-li un recurs de "
 "forma!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 #, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
@@ -10149,6 +10231,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "S'estàn traçant les Malles"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10321,6 +10409,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Afegeix el Color actual com a predeterminat"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Ep!"
@@ -10329,6 +10425,11 @@ msgstr "Ep!"
 msgid "Please Confirm..."
 msgstr "Confirmeu..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Vés al directori principal"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10415,6 +10516,10 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instancia les escenes seleccionades com a filles del node seleccionat."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/cs.po b/editor/translations/cs.po
index b8c1040589..49075fe390 100644
--- a/editor/translations/cs.po
+++ b/editor/translations/cs.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
+"PO-Revision-Date: 2019-03-16 11:42+0000\n"
 "Last-Translator: Vojtěch Šamla <auzkok@seznam.cz>\n"
 "Language-Team: Czech <https://hosted.weblate.org/projects/godot-engine/godot/"
 "cs/>\n"
@@ -24,7 +24,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -131,9 +131,8 @@ msgid "Anim Change Call"
 msgstr "Animace: změna volání"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Změnit smy�ku animace"
+msgstr "Změnit délku animace"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -190,9 +189,8 @@ msgid "Anim Clips:"
 msgstr "Anima�ní klipy:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Změnit hodnotu pole"
+msgstr "Změnit cestu stopy"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -274,14 +272,12 @@ msgid "Delete Key(s)"
 msgstr "Odstranit klí�(e)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Změnit název animace:"
+msgstr "Změnit režim aktualizace animace"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Interpola�ní režim"
+msgstr "Změnit režim interpolace animace"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -330,14 +326,12 @@ msgid "Anim Insert Key"
 msgstr "Animace: vložit klí�"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Změnit FPS animace"
+msgstr "Změnit krok animace"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Přeskupit Autoloady"
+msgstr "Přeskupit stopy"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -368,9 +362,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Není možné přidat novou stopu bez kořenového uzlu"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Přidat stopu"
+msgstr "Přidat Bézierovu stopu"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -1382,8 +1375,26 @@ msgstr "Balím"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Cílová platforma vyžaduje kompresi textur 'ETC' pro GLES2. Povolte 'Import "
+"Etc' v nastaveních projektu."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"Cílová platforma vyžaduje kompresi textur 'ETC2' pro GLES3. Povolte 'Import "
+"Etc 2' v nastaveních projektu."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1431,7 +1442,7 @@ msgstr "Zobrazit ve správci souborů"
 msgid "New Folder..."
 msgstr "Nová složka..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Obnovit"
 
@@ -1506,10 +1517,31 @@ msgstr "Přesunout oblíbenou položku nahoru"
 msgid "Move Favorite Down"
 msgstr "Přesunout oblíbenou položku dolů"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Předchozí složka"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Další složka"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Jít na nadřazenou složku"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Nelze vytvořit složku."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Zobrazit položky jako mřížku náhledů."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Zobrazit položky jako seznam."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Složky a soubory:"
@@ -1733,9 +1765,9 @@ msgstr "Vymazat výstup"
 msgid "Project export failed with error code %d."
 msgstr "Export projektu selhal s chybovým kódem %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Chyba při ukládání zdrojů!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Nelze uložit importované zdroje."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1743,6 +1775,16 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Chyba při ukládání zdrojů!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Uložit zdroj jako..."
 
@@ -1956,7 +1998,7 @@ msgstr "Selhalo nahrání zdroje."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Pro uložení scény je vyžadován kořenový uzel."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2697,6 +2739,8 @@ msgid ""
 "The selected resource (%s) does not match any type expected for this "
 "property (%s)."
 msgstr ""
+"Vybraný zdroj (%s) neodpovídá žádnému o�ekávanému typu pro tuto vlastnost "
+"(%s)."
 
 #: editor/editor_properties.cpp
 msgid ""
@@ -3035,14 +3079,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "Nelze přejít k '%s', protože nebylo nalezeno v souborovém systému!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Zobrazit položky jako mřížku náhledů."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Zobrazit položky jako seznam."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Status: import souboru selhal. Opravte, prosím, soubor a naimportujte ho "
@@ -3172,19 +3208,14 @@ msgid "Re-Scan Filesystem"
 msgstr "Znovu skenovat souborový systém"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Toggle split mode"
-msgstr "Přepnout režim"
+msgstr "Přepnout režim rozdělení"
 
 #: editor/filesystem_dock.cpp
 msgid "Search files"
 msgstr "Hledat soubory"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3372,11 +3403,11 @@ msgstr "Ukládání..."
 
 #: editor/import_dock.cpp
 msgid "Set as Default for '%s'"
-msgstr ""
+msgstr "Nastavit jako výchozí pro '%s'"
 
 #: editor/import_dock.cpp
 msgid "Clear Default for '%s'"
-msgstr ""
+msgstr "Vy�istit výchozí pro '%s'"
 
 #: editor/import_dock.cpp
 msgid " Files"
@@ -3463,9 +3494,8 @@ msgid "Load an existing resource from disk and edit it."
 msgstr "Nahrát existující zdroj z disku a editovat ho."
 
 #: editor/inspector_dock.cpp
-#, fuzzy
 msgid "Save the currently edited resource."
-msgstr "Uložit vybranou animaci"
+msgstr "Uložit právě editovaný zdroj."
 
 #: editor/inspector_dock.cpp
 msgid "Go to the previous edited object in history."
@@ -3539,16 +3569,14 @@ msgid "Create points."
 msgstr "Vytvořit body."
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
-#, fuzzy
 msgid ""
 "Edit points.\n"
 "LMB: Move Point\n"
 "RMB: Erase Point"
 msgstr ""
-"Upravit existující polygon:\n"
-"LMB: Přesunout bod.\n"
-"Ctrl+LMB: Rozdělit segment.\n"
-"RMB: Vymazat bod."
+"Upravit body.\n"
+"LMB: Přesunout bod\n"
+"RMB: Vymazat bod"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
@@ -3649,7 +3677,7 @@ msgstr "Zvolte a přesuňte body. Nové uzly vytvořte pomocí RMB."
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp scene/gui/graph_edit.cpp
 msgid "Enable snap and show grid."
-msgstr ""
+msgstr "Aktivovat přichytávání a zobrazit mřížku."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3668,9 +3696,8 @@ msgid "Triangle already exists"
 msgstr "Trojúhelník již existuje"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Přidat proměnnou"
+msgstr "Přidat trojúhelník"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Change BlendSpace2D Limits"
@@ -3705,11 +3732,11 @@ msgstr "Zobrazit oblíbené"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
-msgstr ""
+msgstr "Vytvořit trojúhelníky spojováním bodů."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Erase points and triangles."
-msgstr ""
+msgstr "Odstranit body a trojúhelníky."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Generate blend triangles automatically (instead of manually)"
@@ -3721,9 +3748,8 @@ msgid "Blend:"
 msgstr "Prolínání:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Změny materiálu"
+msgstr "Parametr změněn"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3735,43 +3761,37 @@ msgid "Output node can't be added to the blend tree."
 msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Přidat uzel(y) ze stromu"
+msgstr "Přidat uzel do BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Režim přesouvání"
+msgstr "Uzel přesunut"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Unable to connect, port may be in use or connection may be invalid."
-msgstr ""
+msgstr "Nelze se připojit, port může být používán nebo připojení není platné."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Připojeno"
+msgstr "Připojené uzly"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Odpojeno"
+msgstr "Odpojené uzly"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Nová animace"
+msgstr "Nastavit animaci"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Odstranit uzel/uzly"
+msgstr "Smazat uzel"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -3779,9 +3799,8 @@ msgid "Toggle Filter On/Off"
 msgstr "Aktivovat/Deaktivovat tuto stopu."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Změnit typ hodnot pole"
+msgstr "Změnit filtr"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3800,9 +3819,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Název uzlu"
+msgstr "Uzel přejmenován"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4031,9 +4049,8 @@ msgid "Cross-Animation Blend Times"
 msgstr ""
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Režim přesouvání"
+msgstr "Přesunout uzel"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #, fuzzy
@@ -4055,7 +4072,7 @@ msgstr ""
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Sync"
-msgstr ""
+msgstr "Synchronizovat"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "At End"
@@ -4075,14 +4092,12 @@ msgid "No playback resource set at path: %s."
 msgstr "Není v cestě ke zdroji."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Odebrat"
+msgstr "Uzel odebrán"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Přechod: "
+msgstr "Přechod odebrán"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
@@ -4212,39 +4227,39 @@ msgstr "Strom animace je neplatný."
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Animation Node"
-msgstr "Uzel animace"
+msgstr "Uzel Animation"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "OneShot Node"
-msgstr ""
+msgstr "Uzel OneShot"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Mix Node"
-msgstr ""
+msgstr "Uzel Mix"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend2 Node"
-msgstr ""
+msgstr "Uzel Blend2"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend3 Node"
-msgstr ""
+msgstr "Uzel Blend3"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend4 Node"
-msgstr ""
+msgstr "Uzel Blend4"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "TimeScale Node"
-msgstr ""
+msgstr "Uzel TimeScale"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "TimeSeek Node"
-msgstr ""
+msgstr "Uzel TimeSeek"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Transition Node"
-msgstr ""
+msgstr "Uzel Transition"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Import Animations..."
@@ -5155,6 +5170,10 @@ msgid "Generating Visibility Rect"
 msgstr "Generování C# projektu..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
@@ -5167,16 +5186,12 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Žádný pixel s průhledností > 128 v obrázku..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr ""
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
-msgstr ""
+msgstr "Na�íst emisní masku"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Clear Emission Mask"
-msgstr ""
+msgstr "Vy�istit emisní masku"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
@@ -5199,7 +5214,7 @@ msgstr "Čas generování (sec):"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Emission Mask"
-msgstr ""
+msgstr "Emisní maska"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Capture from Pixel"
@@ -5258,13 +5273,13 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Vygenerovat AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr ""
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Vygenerovat AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Odstranit bod z křivky"
@@ -5316,7 +5331,7 @@ msgstr "Klik: Přidat bod"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Left Click: Split Segment (in curve)"
-msgstr ""
+msgstr "Levý klik: Rozdělit segment (v křivce)"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
@@ -5394,7 +5409,7 @@ msgstr ""
 
 #: editor/plugins/path_editor_plugin.cpp
 msgid "Split Segment (in curve)"
-msgstr ""
+msgstr "Rozdělit segment (v křivce)"
 
 #: editor/plugins/physical_bone_plugin.cpp
 #, fuzzy
@@ -5853,6 +5868,14 @@ msgid "Open Godot online documentation"
 msgstr "Otevřít Godot online dokumentaci"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Hledat v referen�ní dokumentaci."
 
@@ -6924,6 +6947,24 @@ msgid "Merge from Scene"
 msgstr "Slou�it ze scény"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Další skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Předchozí skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Kopírovat bitovou masku."
 
@@ -7073,6 +7114,16 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Přesunout polygon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Přesunout polygon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Odstranit dlaždici"
 
@@ -7201,6 +7252,11 @@ msgid "Exporting All"
 msgstr "Exportování všeho"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Cesta neexistuje."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Exportní šablony pro tuto platformu chybí nebo jsou poškozené:"
 
@@ -8238,9 +8294,8 @@ msgid "Make Local"
 msgstr "Místní"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Dává smysl!"
+msgstr "Nový kořen scény"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8379,7 +8434,7 @@ msgstr "Přepnout viditelnost"
 
 #: editor/scene_tree_editor.cpp
 msgid "Node configuration warning:"
-msgstr ""
+msgstr "Varování konfigurace uzlu:"
 
 #: editor/scene_tree_editor.cpp
 msgid ""
@@ -8439,7 +8494,7 @@ msgstr "Strom scény (uzly):"
 
 #: editor/scene_tree_editor.cpp
 msgid "Node Configuration Warning!"
-msgstr ""
+msgstr "Varování konfigurace uzlu!"
 
 #: editor/scene_tree_editor.cpp
 msgid "Select a Node"
@@ -9859,6 +9914,12 @@ msgstr ""
 "Aby CollisionShape mohl fungovat, musí mu být poskytnut tvar. Vytvořte mu "
 "prosím zdroj tvar!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9873,6 +9934,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10035,6 +10102,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Přidat aktuální barvu jako předvolbu"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Pozor!"
@@ -10043,6 +10118,11 @@ msgstr "Pozor!"
 msgid "Please Confirm..."
 msgstr "Potvr�te prosím..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Jít na nadřazenou složku"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/da.po b/editor/translations/da.po
index fe271a62a6..5096ed924a 100644
--- a/editor/translations/da.po
+++ b/editor/translations/da.po
@@ -1384,8 +1384,22 @@ msgstr "Pakker"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1434,7 +1448,7 @@ msgstr "Vis i Filhåndtering"
 msgid "New Folder..."
 msgstr "Opret mappe..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Opdater"
 
@@ -1509,10 +1523,35 @@ msgstr "Flyt Favorit Op"
 msgid "Move Favorite Down"
 msgstr "Flyt Favorit Ned"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Forrige fane"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Opret Mappe"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "GÃ¥ til overliggende mappe"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Kunne ikke oprette mappe."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Vis emner som et gitter af miniaturebilleder"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Vis emner som en liste"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Mapper & Filer:"
@@ -1736,9 +1775,9 @@ msgstr "Ryd Output"
 msgid "Project export failed with error code %d."
 msgstr "Projekt eksport fejlede med fejlkode %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Fejl, kan ikke gemme ressource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1746,6 +1785,16 @@ msgid "OK"
 msgstr "Ok"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Fejl, kan ikke gemme ressource!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Gem Ressource Som..."
 
@@ -3046,16 +3095,6 @@ msgstr "Kan ikke navigere til '%s' da det ikke blev fundet i filsystemet!"
 
 #: editor/filesystem_dock.cpp
 #, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Vis emner som et gitter af miniaturebilleder"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Vis emner som en liste"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "\n"
@@ -3210,10 +3249,6 @@ msgid "Search files"
 msgstr "Søg Classes"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5234,19 +5269,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5338,11 +5373,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5957,6 +5992,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7042,6 +7085,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Forrige fane"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7197,6 +7257,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Opret Poly"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Fjern Template"
@@ -7329,6 +7398,10 @@ msgid "Exporting All"
 msgstr "Eksporter"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9999,6 +10072,12 @@ msgstr ""
 "En figur skal gives for at CollisionShape fungerer. Opret en figur ressource "
 "til det!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10013,6 +10092,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10171,6 +10256,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Advarsel!"
@@ -10179,6 +10272,11 @@ msgstr "Advarsel!"
 msgid "Please Confirm..."
 msgstr "Bekræft venligst..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "GÃ¥ til overliggende mappe"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/de.po b/editor/translations/de.po
index 9cf2dc4a85..f14b72da05 100644
--- a/editor/translations/de.po
+++ b/editor/translations/de.po
@@ -38,12 +38,13 @@
 # Rémi Verschelde <akien@godotengine.org>, 2019.
 # Martin <martinreininger@gmx.net>, 2019.
 # Andreas During <anduring@web.de>, 2019.
+# Arthur S. Muszynski <artism90@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-03-01 11:59+0000\n"
-"Last-Translator: Andreas During <anduring@web.de>\n"
+"PO-Revision-Date: 2019-03-12 15:26+0000\n"
+"Last-Translator: So Wieso <sowieso@dukun.de>\n"
 "Language-Team: German <https://hosted.weblate.org/projects/godot-engine/"
 "godot/de/>\n"
 "Language: de\n"
@@ -51,7 +52,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -120,14 +121,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Ausgewählte Schlüssel löschen"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Punkt hinzufügen"
+msgstr "Bezierpunkt hinzufügen"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Punkte Verschieben"
+msgstr "Bezierpunkt verschieben"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -158,9 +157,8 @@ msgid "Anim Change Call"
 msgstr "Aufruf ändern"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Bearbeite Animationsschleife"
+msgstr "Animationslänge ändern"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -217,9 +215,8 @@ msgid "Anim Clips:"
 msgstr "Animationsschnipsel:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Array-Wert ändern"
+msgstr "Spurpfad ändern"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -246,9 +243,8 @@ msgid "Time (s): "
 msgstr "Zeit (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Dopplereffekt aktivieren"
+msgstr "Spur ein-/ausschalten"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -301,19 +297,16 @@ msgid "Delete Key(s)"
 msgstr "Schlüsselbilder entfernen"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Animationsname ändern:"
+msgstr "Animationsaktualisierungsmoduls ändern"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Interpolationsmodus"
+msgstr "Animationsinterpolationsmodus ändern"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Bearbeite Animationsschleife"
+msgstr "Animationswiederholungsmodus ändern"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -357,14 +350,12 @@ msgid "Anim Insert Key"
 msgstr "Schlüsselbild einfügen"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Ändere FPS-Wert der Animation"
+msgstr "Animationsschrittweite ändern"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Autoloads neu anordnen"
+msgstr "Spuren neu anordnen"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -396,9 +387,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Ohne eine Wurzel kann keine neue Spur hinzugefügt werden"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Spur hinzufügen"
+msgstr "Bezierspur hinzufügen"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -410,14 +400,12 @@ msgstr ""
 "Spur ist nicht vom Typ Spatial, Schlüssel kann nicht hinzugefügt werden"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "3D-Transformspur"
+msgstr "Transformationsspurschlüssel hinzufügen"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Spur hinzufügen"
+msgstr "Spurschlüssel hinzufügen"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -425,9 +413,8 @@ msgstr ""
 "Spurpfad ist ungültig, Methoden-Schlüssel kann nicht hinzugefügt werden."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Methodenaufrufsspur"
+msgstr "Methodenaufrufsspurschlüssel hinzufügen"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -590,17 +577,16 @@ msgid "Copy"
 msgstr "Kopieren"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Audioschnipsel:"
+msgstr "Tonspurclip hinzufügen"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Tonspurclip-Startversatz ändern"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Tonspurclip-Endversatz ändern"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -676,15 +662,15 @@ msgstr "Zeilen- und Spaltennummern."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
-msgstr "In der Ziel-Node muss eine Methode angegeben werden!"
+msgstr "Im Ziel-Node muss eine Methode angegeben werden!"
 
 #: editor/connections_dialog.cpp
 msgid ""
 "Target method not found! Specify a valid method or attach a script to target "
 "Node."
 msgstr ""
-"Zielmethode nicht gefunden! Bitte geben Sie eine gültige Methode an oder "
-"fügen Sie ein Skript zur Ziel-Node hinzu."
+"Zielmethode nicht gefunden! Bitte eine gültige Methode angeben oder ein "
+"Skript dem Ziel-Node anhängen."
 
 #: editor/connections_dialog.cpp
 msgid "Connect To Node:"
@@ -1419,9 +1405,30 @@ msgstr "Packe"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Die Zielplattform benötigt ‚ETC‘-Texturkompression für GLES2. Bitte in den "
+"Projekteinstellungen ‚Import Etc‘ aktivieren."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"Die Zielplattform benötigt ‚ETC2‘-Texturkompression für GLES2. Bitte in den "
+"Projekteinstellungen aktivieren."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"Die Zielplattform benötigt ‚ETC‘-Texturkompression für den Treiber-Fallback "
+"auf GLES2. Bitte ‚Import Etc‘ in den Projekteinstellungen aktivieren oder "
+"‚Driver Fallback Enabled‘ ausschalten."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1468,7 +1475,7 @@ msgstr "Im Dateimanager anzeigen"
 msgid "New Folder..."
 msgstr "Neuer Ordner..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Aktualisieren"
 
@@ -1543,10 +1550,30 @@ msgstr "Favorit nach oben schieben"
 msgid "Move Favorite Down"
 msgstr "Favorit nach unten schieben"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Vorheriger Ordner"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Nächster Ordner"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Gehe zu übergeordnetem Ordner"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Gegenwärtigen Ordner (de)favorisieren."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Einträge in Vorschaugitter anzeigen."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Einträge als Liste anzeigen."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Verzeichnisse & Dateien:"
@@ -1769,9 +1796,9 @@ msgstr "Ausgabe löschen"
 msgid "Project export failed with error code %d."
 msgstr "Projekt-Export ist fehlgeschlagen mit Fehlercode %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Fehler beim speichern der Ressource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Importierte Ressourcen können nicht abgespeichert werden."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1779,6 +1806,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Fehler beim speichern der Ressource!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Diese Ressource kann nicht abgespeichert werden, da sie nicht Teil der "
+"bearbeiteten Szene ist. Ressource muss vorher einzigartig gemacht werden."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Speichere Ressource als..."
 
@@ -2002,14 +2041,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Änderungen in ‚%s‘ vor dem Schließen speichern?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Laden der Ressource gescheitert."
+msgstr "%s veränderte Ressource(n) gespeichert."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Es ist nur eine Datei für eine große Textur erforderlich."
+msgstr "Ein Wurzel-Node wird benötigt um diese Szene zu speichern."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -3109,14 +3146,6 @@ msgstr ""
 "wurde!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Einträge in Vorschaugitter anzeigen."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Einträge als Liste anzeigen."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Status: Dateiimport fehlgeschlagen. Manuelle Reparatur und Neuimport nötig."
@@ -3253,10 +3282,6 @@ msgid "Search files"
 msgstr "Dateien suchen"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instantiiere gewählte Szene(n) als Unterobjekt des ausgewählten Nodes."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3661,47 +3686,41 @@ msgstr "Lade..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Punkte Verschieben"
+msgstr "Node-Punkt verschieben"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Überblendungszeit ändern"
+msgstr "BlendSpace1D-Grenzwerte ändern"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Überblendungszeit ändern"
+msgstr "BlendSpace1D-Beschriftungen ändern"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "This type of node can't be used. Only root nodes are allowed."
 msgstr ""
-"Dieser Node-Type kann nicht verwendet werden. Nur Wurzel-Nodes sind möglich."
+"Dieser Node-Typ kann nicht verwendet werden. Nur Wurzel-Nodes sind möglich."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Node hinzufügen"
+msgstr "Node-Punkt hinzufügen"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Animation hinzufügen"
+msgstr "Animationspunkt hinzufügen"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Pfadpunkt entfernen"
+msgstr "BlendSpace1D-Punkt entfernen"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "BlendSpace1D-Node-Punkt verschieben"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3747,29 +3766,24 @@ msgid "Triangle already exists"
 msgstr "Dreieck existiert bereits"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Variable hinzufügen"
+msgstr "Dreieck hinzufügen"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Überblendungszeit ändern"
+msgstr "BlendSpace2D-Grenzwerte ändern"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Überblendungszeit ändern"
+msgstr "BlendSpace2D-Beschriftungen ändern"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Pfadpunkt entfernen"
+msgstr "BlendSpace2D-Punkt entfernen"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Variable entfernen"
+msgstr "BlendSpace2D-Dreieck entfernen"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3780,9 +3794,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Es existieren keine Dreiecke, Vermischen nicht möglich."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Autoload-Globals umschalten"
+msgstr "Automatische Dreiecke umschalten"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3802,9 +3815,8 @@ msgid "Blend:"
 msgstr "Blende:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Materialänderungen"
+msgstr "Parameter geändert"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3816,15 +3828,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "Ausgabe-Node kann nicht zum Mischungsbaum hinzugefügt werden."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Node(s) aus Szenenbaum hinzufügen"
+msgstr "Node zu BlendTree hinzufügen"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Bewegungsmodus"
+msgstr "Node verschoben"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3835,36 +3845,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Verbunden"
+msgstr "Nodes verbunden"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Getrennt"
+msgstr "Nodes getrennt"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Neue Animation"
+msgstr "Animation setzen"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Node(s) löschen"
+msgstr "Node löschen"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Diese Spur an-/abschalten."
+msgstr "Filter ein-/ausschalten"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Sprachfilter geändert"
+msgstr "Filter ändern"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3887,14 +3891,13 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Node-Name"
+msgstr "Node umbenannt"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Add Node..."
-msgstr "Knoten hinzufügen....."
+msgstr "Knoten hinzufügen..."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/root_motion_editor_plugin.cpp
@@ -4005,7 +4008,7 @@ msgstr "Position der Animation (in Sekunden)."
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Scale animation playback globally for the node."
-msgstr "Animationsablauf für dieses Node global skalieren."
+msgstr "Animationsablauf für diesen Node global skalieren."
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Animation Tools"
@@ -4117,14 +4120,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Ãœbergangszeiten kreuzender Animationen"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Bewegungsmodus"
+msgstr "Node verschieben"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Übersetzung hinzufügen"
+msgstr "Übergang hinzufügen"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4160,18 +4161,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Keine Abspiel-Ressource festgelegt im Pfad: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Entfernt:"
+msgstr "Node entfernt"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Ãœbergangs-Node"
+msgstr "Ãœbergang entfernt"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Start-Node setzen (Automatisches Abspielen)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4193,7 +4192,7 @@ msgstr "Nodes verbinden."
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Remove selected node or transition."
-msgstr "Ausgewähltes Node oder Übergang entfernen."
+msgstr "Ausgewählten Node oder Übergang entfernen."
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Toggle autoplay this animation on start, restart or seek to zero."
@@ -4314,15 +4313,15 @@ msgstr "Misch-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend2 Node"
-msgstr "Blende2-Node"
+msgstr "Blend2-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend3 Node"
-msgstr "Blende3-Node"
+msgstr "Blend3-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend4 Node"
-msgstr "Blende4-Node"
+msgstr "Blend4-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "TimeScale Node"
@@ -4334,7 +4333,7 @@ msgstr "Zeitsuch-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Transition Node"
-msgstr "Ãœbergangs-Node"
+msgstr "Ãœbergang-Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Import Animations..."
@@ -4897,7 +4896,7 @@ msgid ""
 "Drag & drop + Alt : Change node type"
 msgstr ""
 "Ziehen + Umschalt: Node auf gleicher Ebene einfügen\n"
-"Ziehen + Alt: Nodetyp ändern"
+"Ziehen + Alt: Node-Typ ändern"
 
 #: editor/plugins/collision_polygon_editor_plugin.cpp
 msgid "Create Polygon3D"
@@ -4999,7 +4998,7 @@ msgstr "GI Sonde vorrendern"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradient bearbeitet"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5259,6 +5258,10 @@ msgid "Generating Visibility Rect"
 msgstr "Generiere Sichtbarkeits-Rechteck"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Generiere Sichtbarkeits-Rechteck"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Punkt kann nur in ein Prozessmaterial des Typs ParticlesMaterial gesetzt "
@@ -5273,10 +5276,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Keine Pixel mit einer Transparenz > 128 im Bild..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Generiere Sichtbarkeits-Rechteck"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Emissionsmaske laden"
 
@@ -5364,13 +5363,13 @@ msgid "Generating AABB"
 msgstr "Erzeuge AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Erzeuge AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Erzeuge Sichtbarkeits-AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Erzeuge AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Punkt von Kurve entfernen"
@@ -5507,7 +5506,7 @@ msgstr "Gelenk verschieben"
 msgid ""
 "The skeleton property of the Polygon2D does not point to a Skeleton2D node"
 msgstr ""
-"Die Skeleton-Eigenschaft des Polygon2Ds zeigt nicht auf ein Skeleton2D-Node"
+"Die Skeleton-Eigenschaft des Polygon2D zeigt nicht auf ein Skeleton2D-Node"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Sync Bones"
@@ -5957,6 +5956,14 @@ msgid "Open Godot online documentation"
 msgstr "Öffne Godot-Referenzdokumentation"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Durchsuche die Referenzdokumentation."
 
@@ -6154,14 +6161,12 @@ msgstr ""
 "hinzugefügt werden."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Ruhe-Pose erstellen (aus Knochen)"
+msgstr "Ruhe-Pose aus Knochen erstellen"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Ruhe-Pose erstellen (aus Knochen)"
+msgstr "Knochen in Ruhe-Pose setzen"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6316,17 +6321,17 @@ msgid "Rear"
 msgstr "Hinten"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Auf Sicht ausrichten"
+msgstr "Mit Sicht ausrichten"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
-msgstr "Kein Node unter dem Unterobjekt instantiiert werden könnte vorhanden."
+msgstr ""
+"Kein Node, unter dem Unterobjekt instantiiert werden könnte, vorhanden."
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "This operation requires a single selected node."
-msgstr "Diese Aktion benötigt ein einzelnes ausgewähltes Node."
+msgstr "Diese Aktion benötigt einen einzelnen ausgewählten Node."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Lock View Rotation"
@@ -6413,6 +6418,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Hinweis: Die FPS-Anzeige stellt die Editor-Framerate dar.\n"
+"Sie ist kein zuverlässiger Vergleichswert für die In-Spiel-Leistung."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6423,9 +6430,8 @@ msgid "XForm Dialog"
 msgstr "Transformationsdialog"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Am Boden einrasten"
+msgstr "Nodes am Boden einrasten"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -7022,6 +7028,22 @@ msgid "Merge from Scene"
 msgstr "Aus Szene zusammenführen"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Nächste Koordinate"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Die nächste Form oder Kachel auswählen."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Vorherige Koordinate"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Die vorherige Form oder Kachel auswählen."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Bitmaske kopieren."
 
@@ -7034,9 +7056,8 @@ msgid "Erase bitmask."
 msgstr "Bitmaske löschen."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Neue Nodes erstellen."
+msgstr "Neues Rechteck erstellen."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7179,6 +7200,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Kachel Bitmaske löschen"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Polygon konkav machen"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Polygon konvex machen"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Kachel entfernen"
 
@@ -7220,26 +7249,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Uniform-Name festlegen"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Als Standard für ‚%s‘ setzen"
+msgstr "Eingabestandardport festlegen"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Visual Shader-Node hinzufügen"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Dupliziere Node(s)"
+msgstr "Nodes duplizieren"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Visual-Shader-Eingabetyp geändert"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7258,14 +7284,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Kachelpriorität bearbeiten"
+msgstr "Visuelle Eigenschaft bearbeiten"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Shader-Änderungen"
+msgstr "Visual-Shader-Modus geändert"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7284,6 +7308,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Export des Projekts für die Plattform ‚%s‘ fehlgeschlagen.\n"
+"Exportvorlagen scheinen zu fehlen oder ungültig zu sein."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7291,6 +7317,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Export des Projekts für die Plattform ‚%s‘ fehlgeschlagen.\n"
+"Es könnte an einen fehlerhaften Einstellung in den Voreinstellungen oder den "
+"individuellen Exporteinstellugen liegen."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7301,6 +7330,10 @@ msgid "Exporting All"
 msgstr "Exportiere alles"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Der angegebene Export-Pfad existiert nicht:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Export-Vorlagen für dieses Systeme fehlen / sind fehlerhaft:"
 
@@ -8345,9 +8378,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Instantiierte Szenen können keine Wurzel werden"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Szenen-Wurzel erstellen"
+msgstr "Node zur Szenenwurzel machen"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8386,9 +8418,8 @@ msgid "Make Local"
 msgstr "Lokal machen"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Szenen-Wurzel erstellen"
+msgstr "Neue Szenenwurzel"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8820,19 +8851,16 @@ msgid "Set From Tree"
 msgstr "Nach Szenenbaum einstellen"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Ausspannen"
+msgstr "Tastenkürzel entfernen"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Tastenkürzel"
+msgstr "Tastenkürzel wiederherstellen"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Ankerpunkte ändern"
+msgstr "Tastenkürzel ändern"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -9431,9 +9459,8 @@ msgid "Change Input Value"
 msgstr "Eingabewert ändern"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "CanvasItem in Größe anpassen"
+msgstr "Kommentargröße ändern"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9872,8 +9899,8 @@ msgid ""
 "CPUParticles\" option for this purpose."
 msgstr ""
 "GPU-basierte Partikel werden vom GLES2-Grafiktreiber nicht unterstützt.\n"
-"Verwenden Sie stattdessen den CPUParticles2D Node. Sie können dazu die "
-"Option \"In CPUPartikel konvertieren\" verwenden."
+"Stattdessen bitte CPUParticles2D-Nodes verwenden. Die „In CPU-Partikel "
+"konvertieren“-Funktion kann dazu verwendet werden."
 
 #: scene/2d/particles_2d.cpp scene/3d/particles.cpp
 msgid ""
@@ -10038,6 +10065,14 @@ msgstr ""
 "Damit CollisionShape funktionieren kann, muss eine Form vorhanden sein. "
 "Bitte erzeuge eine shape Ressource dafür!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Plane-Shapes funktionieren nicht gut und werden in einer zukünftigen Version "
+"entfernt. Von der Nutzung wird abgeraten."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Nichts ist sichtbar da kein Mesh zugewiesen wurden."
@@ -10054,6 +10089,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Plotte Mesh"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"GIProbes werden vom GLES2-Videotreiber nicht unterstützt.\n"
+"BakedLightmaps können als Alternative verwendet werden."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10075,8 +10118,8 @@ msgid ""
 "\" option for this purpose."
 msgstr ""
 "GPU-basierte Partikel werden vom GLES2-Grafiktreiber nicht unterstützt.\n"
-"Verwenden Sie stattdessen den CPUParticles Knoten. Sie können dazu die "
-"Option \"In CPUPartikel konvertieren\" verwenden."
+"Stattdessen bitte CPUParticles-Nodes verwenden. Die „In CPU-Partikel "
+"konvertieren“-Funktion kann dazu verwendet werden."
 
 #: scene/3d/particles.cpp
 msgid ""
@@ -10235,6 +10278,18 @@ msgstr "Wechselt zwischen Hexadezimal- und Zahlenwerten."
 msgid "Add current color as a preset."
 msgstr "Aktuelle Farbe als Vorlage hinzufügen."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Einfache Container sind unnötig solange ihnen kein Skript angehängt ist das "
+"die Platzierung der Inhalte vornimmt.\n"
+"Falls kein Skript angehängt werden soll wird empfohlen ein einfaches "
+"‚Control‘-Node zu verwenden."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Warnung!"
@@ -10243,6 +10298,10 @@ msgstr "Warnung!"
 msgid "Please Confirm..."
 msgstr "Bitte bestätigen..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Gehe zu übergeordnetem Ordner."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10331,6 +10390,10 @@ msgstr "Zuweisung an Uniform."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Varyings können nur in Vertex-Funktion zugewiesen werden."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instantiiere gewählte Szene(n) als Unterobjekt des ausgewählten Nodes."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
@@ -11866,9 +11929,6 @@ msgstr "Varyings können nur in Vertex-Funktion zugewiesen werden."
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "Unterordner kann nicht geöffnet werden:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Importierte Ressourcen"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "Schlüsselbilder einfügen (Einfg)"
 
diff --git a/editor/translations/de_CH.po b/editor/translations/de_CH.po
index 74fd313a4a..55e457c169 100644
--- a/editor/translations/de_CH.po
+++ b/editor/translations/de_CH.po
@@ -1378,8 +1378,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1431,7 +1445,7 @@ msgstr "Datei öffnen"
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1506,10 +1520,32 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Node(s) löschen"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Node erstellen"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1734,8 +1770,8 @@ msgstr "Script hinzufügen"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1744,6 +1780,16 @@ msgid "OK"
 msgstr "Okay"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -3016,14 +3062,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3169,10 +3207,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5183,19 +5217,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5292,11 +5326,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5901,6 +5935,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6983,6 +7025,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7139,6 +7197,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Node erstellen"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Ungültige Bilder löschen"
@@ -7266,6 +7333,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9929,6 +10000,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9943,6 +10020,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10092,6 +10175,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Alert!"
@@ -10100,6 +10191,11 @@ msgstr "Alert!"
 msgid "Please Confirm..."
 msgstr "Bitte bestätigen..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Node erstellen"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/editor.pot b/editor/translations/editor.pot
index efb591227c..5f92cabbee 100644
--- a/editor/translations/editor.pot
+++ b/editor/translations/editor.pot
@@ -1329,8 +1329,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1378,7 +1392,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1453,10 +1467,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1672,8 +1706,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1682,6 +1716,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2916,14 +2960,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3059,10 +3095,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4991,19 +5023,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5094,11 +5126,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5679,6 +5711,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6731,6 +6771,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6869,6 +6925,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -6986,6 +7050,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9537,6 +9605,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9551,6 +9625,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9694,6 +9774,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9702,6 +9790,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/el.po b/editor/translations/el.po
index e5e0a8a5a3..ab99259302 100644
--- a/editor/translations/el.po
+++ b/editor/translations/el.po
@@ -3,12 +3,13 @@
 # Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)
 # This file is distributed under the same license as the Godot source code.
 # George Tsiamasiotis <gtsiam@windowslive.com>, 2017-2018.
+# Georgios Katsanakis <geo.elgeo@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2018-12-13 14:39+0100\n"
-"Last-Translator: George Tsiamasiotis <gtsiam@windowslive.com>\n"
+"PO-Revision-Date: 2019-03-12 15:26+0000\n"
+"Last-Translator: Georgios Katsanakis <geo.elgeo@gmail.com>\n"
 "Language-Team: Greek <https://hosted.weblate.org/projects/godot-engine/godot/"
 "el/>\n"
 "Language: el\n"
@@ -16,7 +17,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Poedit 2.2\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -86,14 +87,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Διαγ�αφή επιλογής"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Π�οσθήκη σημείου"
+msgstr "Π�οσθήκη σημείου Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Μετακίνηση σημείου"
+msgstr "Μετακίνηση σημείου Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -1388,8 +1387,22 @@ msgstr "Πακετά�ισμα"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1442,7 +1455,7 @@ msgstr "Εμφάνιση στη διαχεί�ιση α�χείων"
 msgid "New Folder..."
 msgstr "�έος φάκελος..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Αναναίωση"
 
@@ -1517,10 +1530,33 @@ msgstr "Μετακίνηση αγαπημένου πάνω"
 msgid "Move Favorite Down"
 msgstr "Μετακίνηση αγαπημένου κάτω"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Π�οηγο�μενο πάτωμα"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Επόμενο πάτωμα"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Πήγαινε στον γονικό φάκελο"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Αδ�νατη η δημιου�γία φακέλου."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Εμφάνιση αντικειμένων σε πλέγμα μικ�γ�αφιών."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Εμφάνιση αντικειμένων σε λίστα."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Φάκελοι & Α�χεία:"
@@ -1761,9 +1797,9 @@ msgstr "Εκκαθά�ιση εξόδου"
 msgid "Project export failed with error code %d."
 msgstr "Η εξαγωγή του έ�γου απέτυχε με κωδικό %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Σφάλμα κατά την αποθήκευση πό�ου!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1771,6 +1807,16 @@ msgid "OK"
 msgstr "Εντάξει"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Σφάλμα κατά την αποθήκευση πό�ου!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Αποθήκευση πό�ου ως..."
 
@@ -3099,14 +3145,6 @@ msgstr ""
 "Δεν ήταν δυνατή η πλοήγηση στο '%s', καθώς δεν β�έθηκε στο σ�στημα α�χείων!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Εμφάνιση αντικειμένων σε πλέγμα μικ�γ�αφιών."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Εμφάνιση αντικειμένων σε λίστα."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Κατάσταση: Η εισαγωγή απέτυχε. Πα�ακαλο�με διο�θώστε το α�χείο και "
@@ -3249,12 +3287,6 @@ msgid "Search files"
 msgstr "Αναζήτηση α�χείων"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Δημιου�γία στιγμιοτ�πων των επιλεγμένων σκηνών ως παιδιά του επιλεγμένου "
-"κόμβου."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5272,6 +5304,10 @@ msgid "Generating Visibility Rect"
 msgstr "Δημιου�γία ο�θογωνίου ο�ατότητας"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Δημιου�γία ο�θογωνίου ο�ατότητας"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Ο ο�ισμός σημείου είναι δυνατός μόνο σε ένα υλικό επεξε�γασίας "
@@ -5286,10 +5322,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Δεν υπά�χουν εικονοστοιχεία με διαφάνεια >128 στην εικόνα..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Δημιου�γία ο�θογωνίου ο�ατότητας"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Φό�τωση μάσκας εκπομπής"
 
@@ -5377,13 +5409,13 @@ msgid "Generating AABB"
 msgstr "Δημιου�ία AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Δημιου�ία AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Δημιου�ία AABB ο�ατότητας"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Δημιου�ία AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Αφαί�εση σημείου από την καμπ�λη"
@@ -6000,6 +6032,14 @@ msgid "Open Godot online documentation"
 msgstr "Άνοιγμα ηλεκτ�ονικής τεκμη�ίωσης της Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Αναζήτηση στην τεκμη�ίωση αναφο�άς."
 
@@ -7104,6 +7144,24 @@ msgid "Merge from Scene"
 msgstr "Συγχώνευση από σκηνή"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Επόμενο πάτωμα"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Π�οηγο�μενο πάτωμα"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7267,6 +7325,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Μετακίνηση πολυγώνου"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Μετακίνηση πολυγώνου"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Αφαί�εση π�οτ�που"
 
@@ -7403,6 +7471,11 @@ msgid "Exporting All"
 msgstr "Εξαγωγή για %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Η διαδ�ομή δεν υπά�χει."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "Τα π�ότυπα εξαγωγής για αυτή την πλατφό�τμα λείπουν ή είναι κατεστ�αμμένα:"
@@ -10153,6 +10226,12 @@ msgstr ""
 "Ένα σχήμα π�έπει να δοθεί στο CollisionShape για να λειτου�γήσει. "
 "Δημιου�γήστε ένα πό�ο σχήματος για αυτό!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 #, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
@@ -10169,6 +10248,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Τοποθέτηση πλεγμάτων"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10343,6 +10428,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Π�οσθήκη του τ�έχοντος χ�ώματος ως π�οκαθο�ισμένο"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Ειδοποίηση!"
@@ -10351,6 +10444,11 @@ msgstr "Ειδοποίηση!"
 msgid "Please Confirm..."
 msgstr "Πα�ακαλώ επιβεβαιώστε..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Πήγαινε στον γονικό φάκελο"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10438,6 +10536,11 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Δημιου�γία στιγμιοτ�πων των επιλεγμένων σκηνών ως παιδιά του επιλεγμένου "
+#~ "κόμβου."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/es.po b/editor/translations/es.po
index b6bed3ee52..a8b37f2b4f 100644
--- a/editor/translations/es.po
+++ b/editor/translations/es.po
@@ -5,7 +5,7 @@
 # Addiel Lucena Perez <addiell2017@gmail.com>, 2017.
 # Aleix Sanchis <aleixsanchis@hotmail.com>, 2017, 2018.
 # Alejandro Alvarez <eliluminado00@gmail.com>, 2017.
-# Avocado <avocadosan42@gmail.com>, 2018.
+# Avocado <avocadosan42@gmail.com>, 2018, 2019.
 # BLaDoM GUY <simplybladom@gmail.com>, 2017.
 # Carlos López <genetita@gmail.com>, 2016.
 # David Arranz <davarrcal@hotmail.com>, 2018.
@@ -42,7 +42,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
+"PO-Revision-Date: 2019-03-24 17:38+0000\n"
 "Last-Translator: Javier Ocampos <xavier.ocampos@gmail.com>\n"
 "Language-Team: Spanish <https://hosted.weblate.org/projects/godot-engine/"
 "godot/es/>\n"
@@ -51,7 +51,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -120,14 +120,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Eliminar Clave(s) Seleccionada(s)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Añadir punto"
+msgstr "Añadir Punto Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Mover Puntos"
+msgstr "Mover Puntos Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -158,9 +156,8 @@ msgid "Anim Change Call"
 msgstr "Cambiar llamada de animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Cambiar repetición de animación"
+msgstr "Cambiar duración de la animación"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -217,9 +214,8 @@ msgid "Anim Clips:"
 msgstr "Clips de Anim:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Cambiar valor del array"
+msgstr "Cambiar ruta de la pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -246,9 +242,8 @@ msgid "Time (s): "
 msgstr "Tiempo (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Activar Doppler"
+msgstr "Pista de Conmutación Activada"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -301,19 +296,16 @@ msgid "Delete Key(s)"
 msgstr "Eliminar Clave(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Cambiar nombre de animación:"
+msgstr "Cambiar Modo de Actualización de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Modo de Interpolación"
+msgstr "Cambiar Modo de Interpolación de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Cambiar repetición de animación"
+msgstr "Cambiar Modo Loop de Animación"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -357,14 +349,12 @@ msgid "Anim Insert Key"
 msgstr "Insertar clave de animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Cambiar FPS de animación"
+msgstr "Cambiar Step de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Reordenar Autoloads"
+msgstr "Reordenar Pistas"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -397,9 +387,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "No es posible agregar una nueva pista sin una raíz"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Agregar Pista"
+msgstr "Añadir Pista Bezier"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -411,25 +400,22 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "La pista no es de tipo Spatial, no se puede insertar la clave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Pista de Transformación 3D"
+msgstr "Añadir Clave de Pista de Transformación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Agregar Pista"
+msgstr "Añadir Clave de Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr ""
-"La ruta de la pista es inválida, por ende no se pueden agregar claves de "
-"métodos."
+"La ruta de la pista es inválida, por lo que no se puede añadir una clave de "
+"método."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Pista de Llamada a Métodos"
+msgstr "Añadir Clave de Pista de Método"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -592,17 +578,16 @@ msgid "Copy"
 msgstr "Copiar"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Clips de Audio:"
+msgstr "Añadir Clip de Pista de Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Cambiar Desplazamiento de Inicio de Clip de Pista de Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Cambiar Desplazamiento Final del Clip de Pista de Audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -936,7 +921,7 @@ msgstr "Error al cargar:"
 
 #: editor/dependency_editor.cpp
 msgid "Load failed due to missing dependencies:"
-msgstr "Fallo la carga debido a dependencias faltantes:"
+msgstr "Falló la carga debido a dependencias faltantes:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Open Anyway"
@@ -1088,7 +1073,7 @@ msgstr "Descomprimiendo assets"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Package installed successfully!"
-msgstr "¡Paquete instalado exitosamente!"
+msgstr "¡Paquete instalado con éxito!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -1419,9 +1404,31 @@ msgstr "Empaquetando"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC' para GLES2. "
+"Activa 'Import Etc' en Ajustes del Proyecto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC2' para GLES3. "
+"Activa 'Import Etc 2' en Ajustes del Proyecto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC' para usar "
+"GLES2 como controlador de respaldo.\n"
+"Activa 'Import Etc' en Ajustes del Proyecto, o desactiva 'Driver Fallback "
+"Enabled'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1468,7 +1475,7 @@ msgstr "Mostrar en Explorador de Archivos"
 msgid "New Folder..."
 msgstr "Nueva carpeta..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Recargar"
 
@@ -1529,7 +1536,7 @@ msgstr "Añadir/quitar favorito"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Mode"
-msgstr "Cambiar modo"
+msgstr "Cambiar Modo"
 
 #: editor/editor_file_dialog.cpp
 msgid "Focus Path"
@@ -1543,10 +1550,30 @@ msgstr "Subir Favorito"
 msgid "Move Favorite Down"
 msgstr "Bajar Favorito"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Carpeta Anterior"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Carpeta Siguiente"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ir a la carpeta principal"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Quitar carpeta actual de favoritos."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Ver ítems como una cuadrícula de miniaturas."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Ver ítems como una lista."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Directorios y archivos:"
@@ -1642,7 +1669,7 @@ msgstr "Constantes:"
 
 #: editor/editor_help.cpp
 msgid "Class Description"
-msgstr "Descripción de Clase"
+msgstr "Descripción de la Clase"
 
 #: editor/editor_help.cpp
 msgid "Class Description:"
@@ -1769,9 +1796,9 @@ msgstr "Borrar salida"
 msgid "Project export failed with error code %d."
 msgstr "La exportación del proyecto falló con el código de error %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "¡Error al guardar el recurso!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Los recursos importados no se pueden guardar."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1779,6 +1806,18 @@ msgid "OK"
 msgstr "Aceptar"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "¡Error al guardar el recurso!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Este recurso no se puede guardar porque no pertenece a la escena editada. "
+"Hazlo único primero."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Guardar recurso como..."
 
@@ -2002,14 +2041,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "¿Guardar cambios de '%s' antes de cerrar?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Error al cargar el recurso."
+msgstr "Guardado %s recurso(s) modificado(s)."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Solo se requiere un archivo para textura grande."
+msgstr "Se necesita un nodo raíz para guardar la escena."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2440,7 +2477,7 @@ msgstr "Ajustes de diseño del editor"
 
 #: editor/editor_node.cpp
 msgid "Toggle Fullscreen"
-msgstr "Act/desact. pantalla completa"
+msgstr "Act/desact. Pantalla Completa"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Data/Settings Folder"
@@ -3109,14 +3146,6 @@ msgstr ""
 "archivos!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Ver ítems como una cuadrícula de miniaturas."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Ver ítems como una lista."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Estado: No se pudo importar el archivo. Por favor, arregla el archivo y "
@@ -3247,18 +3276,13 @@ msgstr "Re-escanear sistema de archivos"
 
 #: editor/filesystem_dock.cpp
 msgid "Toggle split mode"
-msgstr "Act/Desact. Modo Partido"
+msgstr "Act/Desact. Modo Dividido"
 
 #: editor/filesystem_dock.cpp
 msgid "Search files"
 msgstr "Buscar archivos"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Instanciar la(s) escena(s) seleccionadas como hijas del nodo seleccionado."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3660,19 +3684,16 @@ msgstr "Cargar..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Mover Puntos"
+msgstr "Mover Punto de Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Cambiar tiempo de mezcla"
+msgstr "Cambiar Límites de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Cambiar tiempo de mezcla"
+msgstr "Cambiar Etiquetas de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3683,24 +3704,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Añadir nodo"
+msgstr "Añadir Punto de Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Añadir animación"
+msgstr "Añadir Punto de Animación"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Quitar punto de ruta"
+msgstr "Eliminar Punto BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Mover Punto de Nodo de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3746,29 +3764,24 @@ msgid "Triangle already exists"
 msgstr "El triángulo ya existe"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Añadir variable"
+msgstr "Añadir Triángulo"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Cambiar tiempo de mezcla"
+msgstr "Cambiar Límites de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Cambiar tiempo de mezcla"
+msgstr "Cambiar Etiquetas de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Quitar punto de ruta"
+msgstr "Eliminar Punto BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Quitar variable"
+msgstr "Eliminar Triángulo BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3779,9 +3792,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "No hay ningún triángulo, así que no se puede hacer blending."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Act/desact. globales de Autoload"
+msgstr "Act/desact. Auto Triángulos"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3801,9 +3813,8 @@ msgid "Blend:"
 msgstr "Mezcla:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Cambios del material"
+msgstr "Parámetro Modificado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3815,15 +3826,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "El nodo de salida no puede ser agregado al blend tree."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Añadir nodo(s) desde árbol"
+msgstr "Añadir Nodo a BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Modo movimiento"
+msgstr "Nodo Movido"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3834,36 +3843,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Conectado"
+msgstr "Nodos Conectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Desconectado"
+msgstr "Nodos Desconectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Nueva Animación"
+msgstr "Establecer Animación"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Eliminar nodo(s)"
+msgstr "Eliminar Nodo"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Act./Desact. esta pista."
+msgstr "Act./Desact. Filtro On/Off"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Cambiar filtro de localización"
+msgstr "Cambiar Filtro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3888,9 +3891,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nombre del nodo"
+msgstr "Nodo Renombrado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3908,7 +3910,7 @@ msgstr "Habilitar filtrado"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Toggle Autoplay"
-msgstr "Act/desact. reproducción automática"
+msgstr "Act/desact. Reproducción Automática"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "New Animation Name:"
@@ -4061,7 +4063,7 @@ msgstr "Posterior"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Depth"
-msgstr "Depth"
+msgstr "Profundidad"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "1 step"
@@ -4117,17 +4119,15 @@ msgstr "Siguiente (cola automática):"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Cross-Animation Blend Times"
-msgstr "Cross-Animation Blend Times"
+msgstr "Tiempos de Blending entre Animaciones"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Modo movimiento"
+msgstr "Mover Nodo"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Añadir traducción"
+msgstr "Añadir Transición"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4163,18 +4163,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Ningún recurso de reproducción asignado en la ruta: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Eliminado:"
+msgstr "Nodo Eliminado"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Nodo Transition"
+msgstr "Transición Eliminada"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Establecer Nodo de Inicio (Reproducción Automática)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4533,7 +4531,7 @@ msgstr "Configurar Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Grid Offset:"
-msgstr "Desplazamiento de cuadrícula:"
+msgstr "Desplazamiento de Cuadrícula:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Grid Step:"
@@ -4541,7 +4539,7 @@ msgstr "Step de cuadrícula:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Rotation Offset:"
-msgstr "Desplazamiento de rotación:"
+msgstr "Desplazamiento de Rotación:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Rotation Step:"
@@ -5000,7 +4998,7 @@ msgstr "Precalcular GI Probe"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Degradado Editado"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5264,6 +5262,10 @@ msgid "Generating Visibility Rect"
 msgstr "Generando Rect. de Visibilidad"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Generar rectángulo de visibilidad"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Solo se puede asignar un punto a un material de procesado ParticlesMaterial"
@@ -5277,10 +5279,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "No hay píxeles con transparencia > 128 en la imagen..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Generar rectángulo de visibilidad"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Cargar máscara de emisión"
 
@@ -5368,13 +5366,13 @@ msgid "Generating AABB"
 msgstr "Generando AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Generar AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Generar AABB de visibilidad"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Generar AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Borrar punto de la curva"
@@ -5685,11 +5683,11 @@ msgstr "Configurar cuadrícula:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Grid Offset X:"
-msgstr "Desplazamiento de cuadrícula en X:"
+msgstr "Desplazamiento de Cuadrícula en X:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Grid Offset Y:"
-msgstr "Desplazamiento de cuadrícula en Y:"
+msgstr "Desplazamiento de Cuadrícula en Y:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Grid Step X:"
@@ -5961,6 +5959,14 @@ msgid "Open Godot online documentation"
 msgstr "Abrir documentación online de Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Buscar en la documentación de referencia."
 
@@ -6156,14 +6162,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Este esqueleto no tiene huesos, crea algunos nodos Bone2D hijos."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Crear Pose de Descanso (De los Huesos)"
+msgstr "Crear Pose de Descanso a partir de los Huesos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Crear Pose de Descanso (De los Huesos)"
+msgstr "Establecer Pose de Descanso en los Huesos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6183,7 +6187,7 @@ msgstr "Crear huesos físicos"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
 msgid "Skeleton"
-msgstr "Skeleton"
+msgstr "Esqueleto"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
 msgid "Create physical skeleton"
@@ -6227,7 +6231,7 @@ msgstr "Escalado: "
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Translating: "
-msgstr "Traduciendo: "
+msgstr "Trasladando: "
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Rotating %s degrees."
@@ -6318,9 +6322,8 @@ msgid "Rear"
 msgstr "Detrás"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Alinear con vista"
+msgstr "Alinear con Vista"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6415,6 +6418,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Nota: El valor FPS que se muestra es la velocidad de fotogramas del editor.\n"
+"No se puede utilizar como un indicador fiable del rendimiento en el juego."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6425,9 +6430,8 @@ msgid "XForm Dialog"
 msgstr "Diálogo XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Ajustar al suelo"
+msgstr "Ajustar Nodos al Suelo"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -7022,6 +7026,22 @@ msgid "Merge from Scene"
 msgstr "Unir desde escena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Coordenada Siguiente"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Seleccionar la próxima forma, subtile o Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordenada Anterior"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Seleccionar la anterior forma, subtile, o Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Copiar bitmask."
 
@@ -7034,9 +7054,8 @@ msgid "Erase bitmask."
 msgstr "Borrar bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Crear nuevos nodos."
+msgstr "Cree un nuevo rectángulo."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7177,6 +7196,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Reestablecer Máscara de Bits de Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Hacer Polígono Cóncavo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Hacer Póligono Convexo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Eliminar Tile"
 
@@ -7218,26 +7245,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Establecer Nombre Uniforme"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Configurar por defecto para '%s'"
+msgstr "Establecer Puerto Predeterminado de Entrada"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Añadir Nodo al Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Duplicar nodo(s)"
+msgstr "Duplicar Nodos"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Cambiar Tipo de Entrada del Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7256,14 +7280,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Editar Prioridad del Tile"
+msgstr "Editar Propiedad Visual"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Cambios del shader"
+msgstr "Se ha cambiado el Modo de Visual Shader"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7282,6 +7304,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"No se pudo exportar el proyecto para la plataforma '%s'.\n"
+"Las plantillas de exportación parecen faltar o ser inválidas."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7289,6 +7313,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"No se pudo exportar el proyecto para la plataforma '%s'.\n"
+"Esto puede ser debido a un problema de configuración en el preset de "
+"exportación o en los ajustes de exportación."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7299,6 +7326,10 @@ msgid "Exporting All"
 msgstr "Exportar Todo"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "La ruta de exportación especificada no existe:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "Las plantillas de exportación para esta plataforma faltan/están corruptas:"
@@ -8344,9 +8375,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Las escenas instanciadas no pueden ser raíz"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Convertir en raíz de escena"
+msgstr "Convertir nodo como Raíz"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8385,9 +8415,8 @@ msgid "Make Local"
 msgstr "Crear local"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Convertir en raíz de escena"
+msgstr "Nueva Raíz de Escena"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8819,19 +8848,16 @@ msgid "Set From Tree"
 msgstr "Establecer desde árbol"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Transición de salida"
+msgstr "Eliminar Atajo"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Atajos"
+msgstr "Restaurar Atajo"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Cambiar anclas"
+msgstr "Cambiar Atajo"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -9042,9 +9068,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "GridMap Duplicar selección"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Coloreado de GridMap"
+msgstr "Pintar GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9433,9 +9458,8 @@ msgid "Change Input Value"
 msgstr "Cambiar valor de entrada"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Redimensionar CanvasItem"
+msgstr "Redimensionar Comentario"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -10046,6 +10070,14 @@ msgstr ""
 "Se debe proveer de una forma a CollisionShape para que funcione. Por favor, "
 "¡crea un recurso \"shape\"!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Las formas tipo plano no funcionan bien y se eliminarán en futuras "
+"versiones. Por favor, no las uses."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Nada visible ya que no se asignó ningún mesh."
@@ -10062,6 +10094,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Trazando mallas"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"Las GIProbes no están soportadas por el controlador de video GLES2.\n"
+"Usa un BakedLightmap en su lugar."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10237,6 +10277,18 @@ msgstr "Cambiar entre valores hexadecimales y de código."
 msgid "Add current color as a preset."
 msgstr "Añadir el color actual como preset."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"El contenedor por sí mismo no sirve para nada a menos que un script "
+"configure el comportamiento de posicionamiento de sus hijos.\n"
+"Si no tienes intención de añadir un script, utiliza en su lugar un nodo "
+"'Control' sencillo."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "¡Alerta!"
@@ -10245,6 +10297,10 @@ msgstr "¡Alerta!"
 msgid "Please Confirm..."
 msgstr "Por favor, confirma..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Ir a la carpeta padre."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10329,6 +10385,10 @@ msgstr "Asignación a uniform."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Solo se pueden asignar variaciones en funciones de vértice."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instanciar la(s) escena(s) seleccionadas como hijas del nodo seleccionado."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
@@ -11904,9 +11964,6 @@ msgstr "Solo se pueden asignar variaciones en funciones de vértice."
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "No se puede acceder al subdir:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Importar Recursos"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "Insertar Claves (Ins)"
 
diff --git a/editor/translations/es_AR.po b/editor/translations/es_AR.po
index 94950398af..4d794dfdda 100644
--- a/editor/translations/es_AR.po
+++ b/editor/translations/es_AR.po
@@ -14,8 +14,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-18 08:54+0000\n"
-"Last-Translator: Lisandro Lorea <lisandrolorea@gmail.com>\n"
+"PO-Revision-Date: 2019-03-24 16:57+0000\n"
+"Last-Translator: Javier Ocampos <xavier.ocampos@gmail.com>\n"
 "Language-Team: Spanish (Argentina) <https://hosted.weblate.org/projects/"
 "godot-engine/godot/es_AR/>\n"
 "Language: es_AR\n"
@@ -23,7 +23,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -91,14 +91,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Eliminar Clave(s) Seleccionada(s)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Agregar punto"
+msgstr "Agregar Punto Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Mover Puntos"
+msgstr "Mover Puntos Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -129,9 +127,8 @@ msgid "Anim Change Call"
 msgstr "Cambiar Call de Anim"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Cambiar Loop de Animación"
+msgstr "Cambiar Duración de la Animación"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -188,9 +185,8 @@ msgid "Anim Clips:"
 msgstr "Clips de Anim:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Cambiar Valor del Array"
+msgstr "Cambiar Ruta de la Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -217,9 +213,8 @@ msgid "Time (s): "
 msgstr "Tiempo (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Activar Doppler"
+msgstr "Activar/Desactivar Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -272,19 +267,16 @@ msgid "Delete Key(s)"
 msgstr "Eliminar Clave(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Cambiar Nombre de Animación:"
+msgstr "Cambiar Modo de Actualización de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Modo de Interpolación"
+msgstr "Cambiar Modo de Interpolación de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Cambiar Loop de Animación"
+msgstr "Cambiar Modo de Bucle de Animación"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -328,14 +320,12 @@ msgid "Anim Insert Key"
 msgstr "Insertar Clave de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Cambiar FPS de Animación"
+msgstr "Cambiar Step de Animación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Reordenar Autoloads"
+msgstr "Reordenar Pistas"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -368,9 +358,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "No es posible agregar una nueva pista sin una raíz"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Agregar Pista"
+msgstr "Agregar Pista Bezier"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -381,14 +370,12 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "La pista no es de tipo Spatial, no se puede insertar la clave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Pista de Transformación 3D"
+msgstr "Añadir Clave de Pista de Transformación"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Agregar Pista"
+msgstr "Añadir Clave de Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -397,9 +384,8 @@ msgstr ""
 "métodos."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Pista de Llamada a Métodos"
+msgstr "Agregar Clave de Pista de Método"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -543,7 +529,7 @@ msgstr "Hacer Clean-Up de Animación(es) (IMPOSIBLE DESHACER!)"
 
 #: editor/animation_track_editor.cpp
 msgid "Clean-Up"
-msgstr "Clean-Up"
+msgstr "Limpiar"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale Ratio:"
@@ -562,17 +548,16 @@ msgid "Copy"
 msgstr "Copiar"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Clips de Audio:"
+msgstr "Agregar Clip de Pista de Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Cambiar Offset Inicial de Clip de Pista de Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Cambiar Offset Final de Clip de Pista de Audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -632,7 +617,7 @@ msgstr "Zoom In"
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
 msgid "Zoom Out"
-msgstr "Zoom Out"
+msgstr "Alejar Zoom"
 
 #: editor/code_editor.cpp
 msgid "Reset Zoom"
@@ -643,9 +628,8 @@ msgid "Warnings"
 msgstr "Advertencias"
 
 #: editor/code_editor.cpp
-#, fuzzy
 msgid "Line and column numbers."
-msgstr "Números de línea y columna"
+msgstr "Números de línea y columna."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -1203,9 +1187,8 @@ msgid "Add Bus"
 msgstr "Agregar Bus"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Add a new Audio Bus to this layout."
-msgstr "Guardar Layout de Bus de Audio Como..."
+msgstr "Agregar un nuevo Bus de Audio a este layout."
 
 #: editor/editor_audio_buses.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
@@ -1388,9 +1371,31 @@ msgstr "Empaquetando"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC' para GLES2. "
+"Activá 'Import Etc' en Ajustes del Proyecto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC2' para GLES3. "
+"Activá 'Importar Etc 2' en Ajustes del Proyecto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"La plataforma de destino requiere compresión de texturas 'ETC' para usar "
+"GLES2 como controlador de respaldo.\n"
+"Activá 'Importar Etc' en Ajustes del Proyecto, o desactivá \"Controlador de "
+"Respaldo Activado\"."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1437,7 +1442,7 @@ msgstr "Mostrar en Explorador de Archivos"
 msgid "New Folder..."
 msgstr "Nueva Carpeta..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Refrescar"
 
@@ -1512,10 +1517,30 @@ msgstr "Subir Favorito"
 msgid "Move Favorite Down"
 msgstr "Bajar Favorito"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Carpeta Anterior"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Carpeta Siguiente"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ir a carpeta padre"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Quitar carpeta actual de favoritos."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Ver ítems como una grilla de miniaturas."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Ver ítems como una lista."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Directorios y Archivos:"
@@ -1738,9 +1763,9 @@ msgstr "Limpiar Salida"
 msgid "Project export failed with error code %d."
 msgstr "La exportación del proyecto falló con el código de error %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Error al guardar el recurso!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Los recursos importados no se pueden guardar."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1748,6 +1773,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Error al guardar el recurso!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Este recurso no se puede guardar porque no pertenece a la escena editada. "
+"Hacelo único primero."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Guardar Recurso Como..."
 
@@ -1972,14 +2009,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Guardar cambios a '%s' antes de cerrar?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Fallo al cargar recurso."
+msgstr "Se guardaron %s recurso(s) modificado(s)."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Solo se requiere un archivo para textura grande."
+msgstr "Se necesita un nodo raíz para guardar la escena."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2509,9 +2544,8 @@ msgid "Save & Restart"
 msgstr "Guardar y Reiniciar"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Spins when the editor window redraws."
-msgstr "Gira cuando la ventana del editor repinta!"
+msgstr "Gira cuando la ventana del editor se redibuja."
 
 #: editor/editor_node.cpp
 msgid "Update Always"
@@ -2532,7 +2566,7 @@ msgstr "Importar"
 
 #: editor/editor_node.cpp
 msgid "FileSystem"
-msgstr "FileSystem"
+msgstr "Sistema de Archivos"
 
 #: editor/editor_node.cpp
 msgid "Inspector"
@@ -3077,14 +3111,6 @@ msgstr ""
 "No se puede navegar a '%s' ya que no se encontro en el sistema de archivos!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Ver ítems como una grilla de miniaturas."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Ver ítems como una lista."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Estado: Falló la importación del archivo. Por favor arreglá el archivo y "
@@ -3222,11 +3248,6 @@ msgid "Search files"
 msgstr "Buscar archivos"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Instanciar la(s) escena(s) seleccionadas como hijas del nodo seleccionado."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3629,19 +3650,16 @@ msgstr "Cargar..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Mover Puntos"
+msgstr "Mover Punto de Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Cambiar Tiempo de Blend"
+msgstr "Cambiar Límites de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Cambiar Tiempo de Blend"
+msgstr "Cambiar Etiquetas de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3652,24 +3670,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Agregar Nodo"
+msgstr "Agregar Punto de Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Agregar Animación"
+msgstr "Añadir Punto de Animación"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Quitar Punto del Path"
+msgstr "Eliminar Punto BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Mover Punto de Nodo de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3715,29 +3730,24 @@ msgid "Triangle already exists"
 msgstr "El triángulo ya existe"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Agregar Variable"
+msgstr "Agregar Triángulo"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Cambiar Tiempo de Blend"
+msgstr "Cambiar Límites de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Cambiar Tiempo de Blend"
+msgstr "Cambiar Etiquetas de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Quitar Punto del Path"
+msgstr "Quitar Punto BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Quitar Variable"
+msgstr "Quitar Triángulo BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3748,9 +3758,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "No hay ningún triángulo, así que no se puede hacer blending."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Act/Desact. AutoLoad Globals"
+msgstr "Act/Desact. Auto Triángulos"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3770,9 +3779,8 @@ msgid "Blend:"
 msgstr "Blend:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Cambios de Material"
+msgstr "Parámetro Modificado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3784,15 +3792,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "El nodo de salida no puede ser agregado al blend tree."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Agregar Nodo(s) Desde Arbol"
+msgstr "Agregar Nodo al BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Modo Mover"
+msgstr "Nodo Movido"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3803,36 +3809,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Conectado"
+msgstr "Nodos Conectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Desconectado"
+msgstr "Nodos Desconectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Nueva Animación"
+msgstr "Establecer Animación"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Eliminar Nodo(s)"
+msgstr "Eliminar Nodo"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Act./Desact. esta pista."
+msgstr "Act./Desact. Filtro On/Off"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Cambiar Filtro de Locale"
+msgstr "Cambiar Filtro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3857,9 +3857,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nombre del Nodo"
+msgstr "Nodo Renombrado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4010,7 +4009,7 @@ msgstr "Autoreproducir al Cargar"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Onion Skinning"
-msgstr "Onion Skinning"
+msgstr "Papel Cebolla"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Enable Onion Skinning"
@@ -4078,7 +4077,7 @@ msgstr "Error!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Blend Times:"
-msgstr "Blend Times:"
+msgstr "Tiempos de Blending:"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Next (Auto Queue):"
@@ -4086,17 +4085,15 @@ msgstr "Siguiente (Auto Queue):"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Cross-Animation Blend Times"
-msgstr "Cross-Animation Blend Times"
+msgstr "Tiempos de Blending Entre Animaciones"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Modo Mover"
+msgstr "Mover Nodo"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Agregar Traducción"
+msgstr "Agregar Transición"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4132,18 +4129,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Ningún recurso de reproducción asignado en la ruta: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Removido:"
+msgstr "Nodo Eliminado"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Nodo Transición"
+msgstr "Transición Eliminada"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Establecer Nodo de Inicio (Reproducción Automática)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4968,7 +4963,7 @@ msgstr "Hacer Bake de GI Probe"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Degradado Editado"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5227,6 +5222,10 @@ msgid "Generating Visibility Rect"
 msgstr "Generando Rect. de Visibilidad"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Generar Rect. de Visibilidad"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Solo se puede setear un punto en un material de proceso ParticlesMaterial"
@@ -5240,10 +5239,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Sin pixeles con transparencia > 128 en imagen..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Generar Rect. de Visibilidad"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Cargar Máscara de Emisión"
 
@@ -5331,13 +5326,13 @@ msgid "Generating AABB"
 msgstr "Generando AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Generar AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Generar AABB de Visibilidad"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Generar AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Remover Punto de Curva"
@@ -5496,6 +5491,8 @@ msgid ""
 "Polygon 2D has internal vertices, so it can no longer be edited in the "
 "viewport."
 msgstr ""
+"El polígono 2D tiene vértices internos, por lo que ya no se puede editar en "
+"el viewport."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create Polygon & UV"
@@ -5922,6 +5919,14 @@ msgid "Open Godot online documentation"
 msgstr "Abrir la documentación online de Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Buscar en la documentación de referencia."
 
@@ -6117,14 +6122,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Este esqueleto no tiene huesos, crea algunos nodos Bone2D hijos."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Crear Pose de Descanso"
+msgstr "Crear Pose de Descanso a partir de Huesos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Crear Pose de Descanso"
+msgstr "Asignar Pose de Descanso a Huesos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6279,9 +6282,8 @@ msgid "Rear"
 msgstr "Detrás"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Alinear con vista"
+msgstr "Alinear con Vista"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6376,6 +6378,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Nota: El valor FPS que se muestra es la velocidad de fotogramas del editor.\n"
+"No se puede utilizar como un indicador fiable del rendimiento en el juego."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6386,9 +6390,8 @@ msgid "XForm Dialog"
 msgstr "Dialogo XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Ajustar al suelo"
+msgstr "Ajustar Nodos al Suelo"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6983,6 +6986,22 @@ msgid "Merge from Scene"
 msgstr "Mergear desde Escena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Coordenada Siguiente"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Seleccionar la próxima forma, subtile o Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordenada Anterior"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Seleccionar la forma, subtile o Tile anterior."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Copiar bitmask."
 
@@ -6995,9 +7014,8 @@ msgid "Erase bitmask."
 msgstr "Borrar bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Crear nuevos nodos."
+msgstr "Crear un rectángulo nuevo."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7137,6 +7155,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Reestablecer Máscara de Bits de Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Hacer el Polígono Cóncavo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Hacer el Póligono Convexo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Remover Tile"
 
@@ -7178,26 +7204,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Asignar Nombre a Uniform"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Asignar como Predeterminado para '%s'"
+msgstr "Establecer Puerto Predeterminado de Entrada"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Agregar Nodo al Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Duplicar Nodo(s)"
+msgstr "Duplicar Nodos"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Se cambió el Tipo de Entrada de Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7216,14 +7239,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Editar Prioridad de Tile"
+msgstr "Editar Propiedad Visual"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Cambios de Shader"
+msgstr "Se cambió el Modo de Visual Shader"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7242,6 +7263,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"No se pudo exportar el proyecto para la plataforma '%s'.\n"
+"Las plantillas de exportación parecen faltar o ser inválidas."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7249,6 +7272,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"No se pudo exportar el proyecto para la plataforma '%s'.\n"
+"Esto puede ser debido a un problema de configuración en el preset de "
+"exportación o en los ajustes de exportación."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7259,6 +7285,10 @@ msgid "Exporting All"
 msgstr "Exportar Todo"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "La ruta de exportación especificada no existe:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "Las plantillas de exportación para esta plataforma están faltando o "
@@ -8305,9 +8335,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Las escenas instanciadas no pueden convertirse en raíz"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Convertir en Raíz de Escena"
+msgstr "Convertir nodo en Raíz"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8346,9 +8375,8 @@ msgid "Make Local"
 msgstr "Crear Local"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Convertir en Raíz de Escena"
+msgstr "Nueva Raíz de Escena"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8781,19 +8809,16 @@ msgid "Set From Tree"
 msgstr "Setear Desde Arbol"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Ease out"
+msgstr "Eliminar Atajo"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Atajos"
+msgstr "Restaurar Atajo"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Cambiar Anclas"
+msgstr "Cambiar Atajo"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -9392,9 +9417,8 @@ msgid "Change Input Value"
 msgstr "Cambiar Valor de Entrada"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Redimensionar CanvasItem"
+msgstr "Redimensionar Comentario"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -10000,6 +10024,14 @@ msgstr ""
 "Se debe proveer un shape para que CollisionShape funcione. Creale un recurso "
 "shape!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Las formas tipo plano no funcionan bien y serán removidas en versiones "
+"futuras. Evitá usarlas."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Nada visible ya que no se asignó ningún mesh."
@@ -10016,6 +10048,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Ploteando Meshes"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"Las GIProbes no están soportadas por el controlador de video GLES2.\n"
+"Usá un BakedLightmap en su lugar."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10186,9 +10226,20 @@ msgid "Switch between hexadecimal and code values."
 msgstr "Cambiar entre valores hexadecimales y de código."
 
 #: scene/gui/color_picker.cpp
-#, fuzzy
 msgid "Add current color as a preset."
-msgstr "Agregar color actual como preset"
+msgstr "Agregar color actual como preset."
+
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"El contenedor en sí mismo no sirve ningún propósito a menos que un script "
+"configure el comportamiento de posicionamiento de sus hijos.\n"
+"Si no tenés pensado usar un script, entonces simplemente usá un nodo "
+"'Control' en su lugar."
 
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
@@ -10198,6 +10249,10 @@ msgstr "Alerta!"
 msgid "Please Confirm..."
 msgstr "Confirmá, por favor..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Ir a la carpeta padre."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10282,6 +10337,10 @@ msgstr "Asignación a uniform."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Solo se pueden asignar variaciones en funciones de vértice."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instanciar la(s) escena(s) seleccionadas como hijas del nodo seleccionado."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
@@ -11833,9 +11892,6 @@ msgstr "Solo se pueden asignar variaciones en funciones de vértice."
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "No se puede acceder al subdir:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Importar Recursos"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "Insertar Claves (Ins)"
 
diff --git a/editor/translations/et.po b/editor/translations/et.po
index f5edac889e..a58094bf47 100644
--- a/editor/translations/et.po
+++ b/editor/translations/et.po
@@ -1329,8 +1329,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1378,7 +1392,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1453,10 +1467,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1672,8 +1706,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1682,6 +1716,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2916,14 +2960,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3059,10 +3095,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4991,19 +5023,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5094,11 +5126,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5679,6 +5711,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6731,6 +6771,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6869,6 +6925,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -6986,6 +7050,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9537,6 +9605,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9551,6 +9625,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9694,6 +9774,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9702,6 +9790,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/fa.po b/editor/translations/fa.po
index 3b5cce13db..6548423140 100644
--- a/editor/translations/fa.po
+++ b/editor/translations/fa.po
@@ -1401,8 +1401,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1454,7 +1468,7 @@ msgstr "باز شدن مدیر پروژه؟"
 msgid "New Folder..."
 msgstr "ساختن پوشه..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1529,10 +1543,33 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "زبانه قبلی"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "ساختن پوشه"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "ر�تن به پوشه والد"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "ناتوان در ساختن پوشه."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "پوشه‌ها و پرونده‌ها:"
@@ -1766,8 +1803,8 @@ msgstr "خروجی"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1776,6 +1813,16 @@ msgid "OK"
 msgstr "موا�قت"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "ذخیره منبع از ..."
 
@@ -3037,14 +3084,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3195,10 +3234,6 @@ msgid "Search files"
 msgstr "جستجوی کلاسها"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5211,19 +5246,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5315,11 +5350,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5935,6 +5970,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7036,6 +7079,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "زبانه قبلی"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7191,6 +7251,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "انتخاب شده را تغییر مقیاس بده"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "حذ� قالب"
@@ -7323,6 +7392,11 @@ msgid "Exporting All"
 msgstr "صدور"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "پرونده موجود نیست."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10040,6 +10114,12 @@ msgstr ""
 "باید یک شکل برای CollisionShape �راهم شده باشد تا عمل کند. لط�ا یک منبع شکل "
 "برای آن ایجاد کنید!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10054,6 +10134,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr "یک منبع NavigationMesh باید برای یک گره تنظیم یا ایجاد شود تا کار کند."
@@ -10212,6 +10298,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "هشدار!"
@@ -10220,6 +10314,11 @@ msgstr "هشدار!"
 msgid "Please Confirm..."
 msgstr "لط�اً تأیید کنید…"
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "ر�تن به پوشه والد"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/fi.po b/editor/translations/fi.po
index 531b9fb95c..5e0b28db44 100644
--- a/editor/translations/fi.po
+++ b/editor/translations/fi.po
@@ -13,7 +13,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
+"PO-Revision-Date: 2019-03-12 15:25+0000\n"
 "Last-Translator: Tapani Niemi <tapani.niemi@kapsi.fi>\n"
 "Language-Team: Finnish <https://hosted.weblate.org/projects/godot-engine/"
 "godot/fi/>\n"
@@ -22,7 +22,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -90,14 +90,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Poista valitut avaimet"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Lisää piste"
+msgstr "Lisää Bezier-piste"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Siirrä pisteitä"
+msgstr "Siirrä Bezier-pisteitä"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -128,9 +126,8 @@ msgid "Anim Change Call"
 msgstr "Animaatio: muuta kutsua"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Vaihda animaation luuppia"
+msgstr "Muuta animaation pituutta"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -187,13 +184,12 @@ msgid "Anim Clips:"
 msgstr "Animaatioleikkeet:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Vaihda taulukon arvoa"
+msgstr "Muuta raidan polkua"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
-msgstr "Käytä tämä raita päälle/pois."
+msgstr "Kytke tämä raita päälle/pois."
 
 #: editor/animation_track_editor.cpp
 msgid "Update Mode (How this property is set)"
@@ -216,9 +212,8 @@ msgid "Time (s): "
 msgstr "Aika (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Doppler käytössä"
+msgstr "Aseta raita päälle"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -271,19 +266,16 @@ msgid "Delete Key(s)"
 msgstr "Poista avainruudut"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Vaihda animaation nimi:"
+msgstr "Vaihda animaation päivitystilaa"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Interpolaatiotila"
+msgstr "Vaihda animaation interpolaatiotilaa"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Vaihda animaation luuppia"
+msgstr "Vaihda animaation toistotilaa"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -327,14 +319,12 @@ msgid "Anim Insert Key"
 msgstr "Animaatio: Lisää avain"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Vaihda animaation nopeutta"
+msgstr "Vaihda animaation askelta"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Järjestele uudelleen automaattiset lataukset"
+msgstr "Järjestele uudelleen raidat"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -365,9 +355,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Uutta raitaa ei voida lisätä ilman juurta"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Lisää raita"
+msgstr "Lisää Bezier-raita"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -378,23 +367,20 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Raita ei ole Spatial-tyyppinen, joten ei voida lisätä avainruutua"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "3D-muunnosraita"
+msgstr "Lisää muunnosraidan avainruutu"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Lisää raita"
+msgstr "Lisää raidan avainruutu"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr "Raidan polku on virheellinen, joten ei voida lisätä metodin avainta."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Metodikutsuraita"
+msgstr "Lisää metodikutsuraidan avainruutu"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -555,17 +541,16 @@ msgid "Copy"
 msgstr "Kopioi"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Äänileikkeet:"
+msgstr "Lisää ääniraidan leike"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Muuta ääniraidan leikkeen alkusiirrosta"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Muuta ääniraidan leikkeen loppusiirrosta"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -1380,9 +1365,30 @@ msgstr "Pakataan"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"GLES2 tarvitsee kohdealustalla 'ETC' tekstuuripakkausta. Kytke 'Import Etc' "
+"päälle projektin asetuksista."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"GLES3 tarvitsee kohdealustalla 'ETC' tekstuuripakkausta. Kytke 'Import Etc "
+"2' päälle projektin asetuksista."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"GLES2 vara-ajuri tarvitsee kohdealustalla 'ETC' tekstuuripakkausta. Kytke "
+"'Import Etc' päälle projektin asetuksista tai poista 'Driver Fallback "
+"Enabled' asetus."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1429,7 +1435,7 @@ msgstr "Näytä tiedostonhallinnassa"
 msgid "New Folder..."
 msgstr "Uusi kansio..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Päivitä"
 
@@ -1504,10 +1510,30 @@ msgstr "Siirrä suosikkia ylös"
 msgid "Move Favorite Down"
 msgstr "Siirrä suosikkia alas"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Edellinen kansio"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Seuraava kansio"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Siirry yläkansioon"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Kansio suosikkeihin."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Ruudukkonäkymä esikatselukuvilla."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Listanäkymä."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Hakemistot ja tiedostot:"
@@ -1730,9 +1756,9 @@ msgstr "Tyhjennä tuloste"
 msgid "Project export failed with error code %d."
 msgstr "Projektin vienti epäonnistui virhekoodilla %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Virhe tallennettaessa resurssia!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Tuotuja resursseja ei voida tallentaa."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1740,6 +1766,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Virhe tallennettaessa resurssia!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Resurssia ei voida tallentaa, koska se ei kuulu muokattavana olevaan "
+"skeneen. Tee siitä ensin yksilöllinen."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Tallenna resurssi nimellä..."
 
@@ -1957,14 +1995,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Tallennetaanko muutokset tiedostoon '%s' ennen sulkemista?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Resurssin lataaminen epäonnistui."
+msgstr "Tallennettiin %s muokattua resurssia."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Vain yksi tiedosto vaaditaan suurikokoiselle tekstuurille."
+msgstr "Skenen tallentaminen edellyttää, että sillä on juurisolmu."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -3050,14 +3086,6 @@ msgstr ""
 "tiedostojärjestelmästäsi!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Ruudukkonäkymä esikatselukuvilla."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Listanäkymä."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Tila: Tuonti epäonnistui. Ole hyvä, korjaa tiedosto ja tuo se uudelleen."
@@ -3194,10 +3222,6 @@ msgid "Search files"
 msgstr "Etsi tiedostoista"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Luo valituista skeneistä ilmentymä valitun solmun alle."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3601,19 +3625,16 @@ msgstr "Lataa..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Siirrä pisteitä"
+msgstr "Siirrä solmupistettä"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Muuta sulautusaikaa"
+msgstr "Muuta BlendSpace1D rajoja"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Muuta sulautusaikaa"
+msgstr "Muuta BlendSpace1D nimikkeitä"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3624,24 +3645,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Lisää solmu"
+msgstr "Lisää solmupiste"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Lisää animaatio"
+msgstr "Lisää animaatiopiste"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Poista polun piste"
+msgstr "Poista BlendSpace1D piste"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Siirrä BlendSpace1D solmupistettä"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3687,29 +3705,24 @@ msgid "Triangle already exists"
 msgstr "Kolmio on jo olemassa"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Lisää muuttuja"
+msgstr "Lisää kolmio"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Muuta sulautusaikaa"
+msgstr "Muuta BlendSpace2D rajoja"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Muuta sulautusaikaa"
+msgstr "Muuta BlendSpace2D nimikkeitä"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Poista polun piste"
+msgstr "Poista BlendSpace2D piste"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Poista muuttuja"
+msgstr "Poista BlendSpace2D kolmio"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3720,9 +3733,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Kolmioita ei ole olemassa, joten mitään sulautusta ei tapahdu."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Aseta globaalien automaattilataus"
+msgstr "Aseta automaattiset kolmiot"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3742,9 +3754,8 @@ msgid "Blend:"
 msgstr "Sulautus:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Materiaalimuutokset"
+msgstr "Parametri muutettu"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3756,15 +3767,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "Lähtösolmua ei voida lisätä sulautuspuuhun."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Lisää solmut puusta"
+msgstr "Lisää BlendTree solmu"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Siirtotila"
+msgstr "Solmu siirretty"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3774,36 +3783,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Yhdistetty"
+msgstr "Solmuja yhdistetty"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Yhteys katkaistu"
+msgstr "Solmujen yhteyksiä katkaistu"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Uusi animaatio"
+msgstr "Aseta animaatio"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Poista solmu(t)"
+msgstr "Poista solmu"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Käytä tämä raita päälle/pois."
+msgstr "Kytke suodin päälle/pois"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Vaihdettu kielisuodatin"
+msgstr "Muuta suodinta"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3826,9 +3829,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Solmun nimi"
+msgstr "Solmu uudelleennimetty"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4056,14 +4058,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Lomittautuvien animaatioiden sulautusajat"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Siirtotila"
+msgstr "Siirrä solmua"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Lisää käännös"
+msgstr "Lisää siirtymä"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4099,18 +4099,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Polulle ei ole asetettu toistoresurssia: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Poistettu:"
+msgstr "Solmu poistettu"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Siirtymäsolmu"
+msgstr "Siirtymä poistettu"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Aseta alkusolmu (automaattitoisto)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4936,7 +4934,7 @@ msgstr "Kehitä GI Probe"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Liukuväriä muokattu"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5196,6 +5194,10 @@ msgid "Generating Visibility Rect"
 msgstr "Kartoitetaan näkyvää aluetta"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Kartoita näkyvä alue"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Piste voidaan asettaa ainoastaan ParticlesMaterial käsittelyn materiaaliin"
@@ -5209,10 +5211,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Kuvassa ei ole pikseleitä, joiden läpinäkyvyys on enemmän kuin 128…"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Kartoita näkyvä alue"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Lataa emissiomaski"
 
@@ -5300,13 +5298,13 @@ msgid "Generating AABB"
 msgstr "Luodaan AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Luo AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Kartoita näkyvä alue"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Luo AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Poista pisteet käyrästä"
@@ -5892,6 +5890,14 @@ msgid "Open Godot online documentation"
 msgstr "Avaa Godotin online-dokumentaatio"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Etsi dokumentaatiosta."
 
@@ -6087,14 +6093,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Tällä luurangolla ei ole luita, luo joitakin Bone2D alisolmuja."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Tee lepoasento (luista)"
+msgstr "Luo lepoasento luista"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Tee lepoasento (luista)"
+msgstr "Aseta lepoasento luille"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6249,7 +6253,6 @@ msgid "Rear"
 msgstr "Taka"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
 msgstr "Kohdista näkymään"
 
@@ -6346,6 +6349,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Huom: näytetty FPS-lukema on editorin kuvataajuus.\n"
+"Sitä ei voi käyttää luotettavana pelin sisäisenä tehokkuuden ilmaisimena."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6356,9 +6361,8 @@ msgid "XForm Dialog"
 msgstr "XForm-ikkuna"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Tartu lattiaan"
+msgstr "Tarraa solmut lattiaan"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6953,6 +6957,22 @@ msgid "Merge from Scene"
 msgstr "Yhdistä skenestä"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Seuraava koordinaatti"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Valitse seuraava muoto, aliruutu tai ruutu."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Edellinen koordinaatti"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Valitse edellinen muoto, aliruutu tai ruutu."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Kopioi bittimaski."
 
@@ -6965,9 +6985,8 @@ msgid "Erase bitmask."
 msgstr "Pyyhi bittimaski."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Luo uusia solmuja."
+msgstr "Luo uusi suorakulmio."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7107,6 +7126,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Tyhjennä ruudun bittimaski"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Tee polygonista konkaavi"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Tee polygonista konveksi"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Poista ruutu"
 
@@ -7148,34 +7175,31 @@ msgstr "Ruutuvalikoima"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Aseta uniformin nimi"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Aseta oletus valinnalle '%s'"
+msgstr "Aseta syötteen oletusportti"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Lisää solmu Visual Shaderiin"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Kahdenna solmu(t)"
+msgstr "Kahdenna solmut"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Visual Shaderin syötteen tyyppi vaihdettu"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
-msgstr "Vertex"
+msgstr "Kärkipiste"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Fragment"
-msgstr "Fragment"
+msgstr "Fragmentti"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Light"
@@ -7186,14 +7210,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Muokkaa ruudun prioriteettia"
+msgstr "Muokkaa visuaalista ominaisuutta"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Sävytinmuutokset"
+msgstr "Visual Shaderin tila vaihdettu"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7212,6 +7234,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Projektin vienti alustalle '%s' epäonnistui.\n"
+"Vientimallit näyttävät puuttuvan tai olevan virheellisiä."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7219,6 +7243,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Projektin vienti alustalle '%s' epäonnistui.\n"
+"Tämä saattaa johtua asetusongelmista viennin esiasetuksissa tai vientisi "
+"asetuksissa."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7229,6 +7256,10 @@ msgid "Exporting All"
 msgstr "Viedään kaikki"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Annettu vientipolku ei ole olemassa:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Vientimallit tälle alustalle puuttuvat tai ovat viallisia:"
 
@@ -8267,9 +8298,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Skenejen ilmentymiä ei voi asettaa juureksi"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Tee skenen juuri"
+msgstr "Tee solmusta juurisolmu"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8308,9 +8338,8 @@ msgid "Make Local"
 msgstr "Tee paikallinen"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Tee skenen juuri"
+msgstr "Uusi skenen juuri"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8662,7 +8691,7 @@ msgstr "Aliprosessi yhdistetty"
 
 #: editor/script_editor_debugger.cpp
 msgid "Copy Error"
-msgstr "Kopiointivirhe"
+msgstr "Kopioi virhe"
 
 #: editor/script_editor_debugger.cpp
 msgid "Inspect Previous Instance"
@@ -8741,19 +8770,16 @@ msgid "Set From Tree"
 msgstr "Aseta puusta"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Hidasta lopussa"
+msgstr "Poista pikanäppäin"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Pikanäppäimet"
+msgstr "Palauta pikanäppäin"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Muuta ankkureita"
+msgstr "Muuta pikanäppäintä"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8964,9 +8990,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "Kahdenna valinta"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Ruudukon asetukset"
+msgstr "Ruudukon maalaus"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9354,9 +9379,8 @@ msgid "Change Input Value"
 msgstr "Vaihda syötteen arvo"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Muokkaa CanvasItemin kokoa"
+msgstr "Muokkaa kommentin kokoa"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9944,6 +9968,14 @@ msgstr ""
 "CollisionShape solmulle täytyy antaa muoto, jotta se toimisi. Ole hyvä ja "
 "luo sille muotoresurssi!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Tasomuodot eivät toimi hyvin ja ne tullaan poistaamaan tulevissa versioissa. "
+"Ole hyvä ja älä käytä niitä."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Mitään ei näy, koska meshiä ei ole asetettu."
@@ -9960,6 +9992,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Piirretään meshejä"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"GIProbe ei ole tuettu GLES2 näyttöajurissa.\n"
+"Käytä sen sijaan BakedLightmap resurssia."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10104,8 +10144,7 @@ msgstr "Polku animaatiot sisältävään AnimationPlayer solmuun on asettamatta.
 
 #: scene/animation/animation_tree.cpp
 msgid "Path set for AnimationPlayer does not lead to an AnimationPlayer node."
-msgstr ""
-"AnimationPlayer solmulle asetettu polku ei johda AnimationPlayer solmuun."
+msgstr "AnimationPlayerille asetettu polku ei johda AnimationPlayer solmuun."
 
 #: scene/animation/animation_tree.cpp
 msgid "AnimationPlayer root is not a valid node."
@@ -10132,6 +10171,18 @@ msgstr "Vaihda heksadesimaali- ja koodiarvojen välillä."
 msgid "Add current color as a preset."
 msgstr "Lisää nykyinen väri esiasetukseksi."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Säilöllä ei ole itsessään mitään merkitystä ellei jokin skripti säädä sen "
+"alisolmujen sijoitustapaa.\n"
+"Jos et aio lisätä skriptiä, ole hyvä ja käytä sen sijaan tavallista "
+"'Control' solmua."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Huomio!"
@@ -10140,6 +10191,10 @@ msgstr "Huomio!"
 msgid "Please Confirm..."
 msgstr "Ole hyvä ja vahvista..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Siirry yläkansioon."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10224,6 +10279,9 @@ msgstr "Sijoitus uniformille."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Varying tyypin voi sijoittaa vain vertex-funktiossa."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Luo valituista skeneistä ilmentymä valitun solmun alle."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/fr.po b/editor/translations/fr.po
index 08837ca582..67a11b2224 100644
--- a/editor/translations/fr.po
+++ b/editor/translations/fr.po
@@ -54,12 +54,13 @@
 # Sylvain Corsini <sylvain.corsini@gmail.com>, 2018.
 # Caye Pierre <pierrecaye@laposte.net>, 2019.
 # Peter Kent <0.peter.kent@gmail.com>, 2019.
+# jef dered <themen098s@vivaldi.net>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
-"Last-Translator: Peter Kent <0.peter.kent@gmail.com>\n"
+"PO-Revision-Date: 2019-03-12 15:25+0000\n"
+"Last-Translator: Caye Pierre <pierrecaye@laposte.net>\n"
 "Language-Team: French <https://hosted.weblate.org/projects/godot-engine/"
 "godot/fr/>\n"
 "Language: fr\n"
@@ -67,7 +68,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -103,11 +104,11 @@ msgstr "Index nommé %s invalide pour le type de base %s"
 
 #: core/math/expression.cpp
 msgid "Invalid arguments to construct '%s'"
-msgstr "Arguments invalides pour construire '%s'"
+msgstr "Arguments invalides pour construire « %s »"
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
-msgstr "Sur appel à '%s' :"
+msgstr "Sur appel à « %s » :"
 
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -135,14 +136,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Supprimer les clé(s) sélectionnée(s)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Ajouter un point"
+msgstr "Ajouter un point de Bézier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Déplacer de points"
+msgstr "Déplacer des points de Bézier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -158,7 +157,7 @@ msgstr "Modifier le temps d'image-clé"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transition"
-msgstr "Changement du transition de l'animation"
+msgstr "Changement de transition de l'animation"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transform"
@@ -173,9 +172,8 @@ msgid "Anim Change Call"
 msgstr "Anim: Change l'Appel"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Modifier la boucle d'animation"
+msgstr "Modifier la longueur de l'animation"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -232,9 +230,8 @@ msgid "Anim Clips:"
 msgstr "Clips d'animation :"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Modifier la valeur du tableau"
+msgstr "Modifier le chemin de la piste"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -261,9 +258,8 @@ msgid "Time (s): "
 msgstr "Temps (s) : "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Activer Doppler"
+msgstr "Activer le basculement de piste"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -316,19 +312,16 @@ msgid "Delete Key(s)"
 msgstr "Supprimer clé(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Modifier le nom de l'animation :"
+msgstr "Modifier le mode de mise à jour de l'animation"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Mode d'interpolation"
+msgstr "Modifier le mode d'interpolation de l'animation"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Modifier la boucle d'animation"
+msgstr "Modifier le mode de boucle d'animation"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -373,14 +366,12 @@ msgid "Anim Insert Key"
 msgstr "Insérer une clé d'animation"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Modifier le taux d'IPS de l'animation"
+msgstr "Modifier l'étape d'animation"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Ré-organiser les AutoLoads"
+msgstr "Réorganiser les pistes"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -415,9 +406,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Impossible d'ajouter une nouvelle piste sans racine"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Ajouter une piste"
+msgstr "Ajouter une piste de Bézier"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -428,14 +418,12 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "La piste n'est pas de type Spatial, impossible d'insérer une clé"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Piste de transformation 3D"
+msgstr "Ajouter une clé de transformation"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Ajouter une piste"
+msgstr "Ajoutez une clé de piste"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -444,9 +432,8 @@ msgstr ""
 "méthode."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Piste d'appel de méthode"
+msgstr "Ajouter une clé de méthode"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -556,7 +543,7 @@ msgstr "Utiliser les courbes de Bézier"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim. Optimizer"
-msgstr "Optimiser de l'animation"
+msgstr "Optimiser l'animation"
 
 #: editor/animation_track_editor.cpp
 msgid "Max. Linear Error:"
@@ -611,17 +598,16 @@ msgid "Copy"
 msgstr "Copier"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Clips audio :"
+msgstr "Ajouter un clip audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Modifier Le Décalage De Début De Clip De Piste Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Modifier Le Décalage De Fin De Clip De Piste Audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -778,7 +764,7 @@ msgstr "Déconnecter « %s » de « %s »"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect all from signal: '%s'"
-msgstr "Tout déconnecter au signal : '%s'"
+msgstr "Tout déconnecter du signal : « %s »"
 
 #: editor/connections_dialog.cpp
 msgid "Connect..."
@@ -906,7 +892,7 @@ msgstr "Dépendances :"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Broken"
-msgstr "Corriger les dép. cassées"
+msgstr "Corriger les dépendances cassées"
 
 #: editor/dependency_editor.cpp
 msgid "Dependency Editor"
@@ -1080,10 +1066,10 @@ msgid ""
 "is an exhaustive list of all such thirdparty components with their "
 "respective copyright statements and license terms."
 msgstr ""
-"Le moteur Godot s'appuie sur un certain nombre de bibliothèques gratuites et "
-"open source tierce parties, toutes compatibles avec les termes de sa licence "
-"MIT. Voici une liste exhaustive de tous ces composants tiers avec leurs "
-"énoncés de droits d'auteur respectifs ainsi que les termes de leurs licences."
+"Le moteur Godot s'appuie sur un certain nombre de bibliothèques libres et "
+"open source tierces, toutes compatibles avec les termes de sa licence MIT. "
+"Voici une liste exhaustive de ces composants tiers avec leurs énoncés de "
+"droits d'auteur respectifs ainsi que les termes de leurs licences."
 
 #: editor/editor_about.cpp
 msgid "All Components"
@@ -1242,7 +1228,7 @@ msgstr "Ouvrir une disposition de bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "There is no 'res://default_bus_layout.tres' file."
-msgstr "Il n'existe aucun 'res://default_bus_layout.tres'."
+msgstr "Il n'existe aucun fichier « res://default_bus_layout.tres »."
 
 #: editor/editor_audio_buses.cpp
 msgid "Invalid file, not an audio bus layout."
@@ -1429,7 +1415,7 @@ msgstr "Stockage du fichier :"
 
 #: editor/editor_export.cpp
 msgid "No export template found at the expected path:"
-msgstr "Aucun modèle d'exportation n'a été trouvé au chemin prévu :"
+msgstr "Aucun modèle d'exportation n'a été trouvé au chemin prévu :"
 
 #: editor/editor_export.cpp
 msgid "Packing"
@@ -1437,9 +1423,31 @@ msgstr "Empaquetage"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"La plate-forme cible nécessite une compression de texture 'ETC' pour GLES2. "
+"Activez 'Import Etc' dans les paramètres du projet."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"La plate-forme cible nécessite une compression de texture 'ETC2' pour GLES3. "
+"Activez 'Import Etc 2' dans les Paramètres du projet."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"La plate-forme cible nécessite une compression de texture ' ETC ' pour le "
+"fallback pilote de GLES2.\n"
+"Activez 'Import Etc' dans les paramètres du projet, ou désactivez 'Driver "
+"Fallback Enabled'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1486,7 +1494,7 @@ msgstr "Montrer dans le gestionnaire de fichiers"
 msgid "New Folder..."
 msgstr "Nouveau dossier..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Rafraîchir"
 
@@ -1561,10 +1569,30 @@ msgstr "Déplacer le favori vers le haut"
 msgid "Move Favorite Down"
 msgstr "Déplacer le favori vers le bas"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Dossier précédent"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Dossier suivant"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Aller au dossier parent"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Ajouter ou supprimer des favoris le dossier courant."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Afficher les éléments sous forme de grille de vignettes."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Afficher les éléments sous forme de liste."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Répertoires et fichiers :"
@@ -1787,9 +1815,9 @@ msgstr "Effacer la sortie"
 msgid "Project export failed with error code %d."
 msgstr "L'export du projet a échoué avec le code erreur %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Erreur d'enregistrement de la ressource !"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Les ressources importés ne peuvent pas être sauvegarder."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1797,6 +1825,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Erreur d'enregistrement de la ressource !"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Cette ressource ne peut pas être sauvegardée parce qu’elle n'appartient pas "
+"à la scène éditer. Soyez sûr qu'elle soit unique."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Enregistrer la ressource sous…"
 
@@ -1814,23 +1854,23 @@ msgstr "Erreur lors de l'enregistrement."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Can't open '%s'. The file could have been moved or deleted."
-msgstr "Impossible d'ouvrir '%s'. Le fichier a pu être déplacé ou supprimé."
+msgstr "Impossible d'ouvrir « %s ». Le fichier a pu être déplacé ou supprimé."
 
 #: editor/editor_node.cpp
 msgid "Error while parsing '%s'."
-msgstr "Erreur lors de l'analyse syntaxique de '%s'."
+msgstr "Erreur lors de l'analyse syntaxique de « %s »."
 
 #: editor/editor_node.cpp
 msgid "Unexpected end of file '%s'."
-msgstr "Fin de fichier inattendue '%s'."
+msgstr "Fin de fichier inattendue « %s »."
 
 #: editor/editor_node.cpp
 msgid "Missing '%s' or its dependencies."
-msgstr "La scène '%s' ou ses dépendances sont introuvables."
+msgstr "La scène « %s » ou ses dépendances sont introuvables."
 
 #: editor/editor_node.cpp
 msgid "Error while loading '%s'."
-msgstr "Erreur lors du chargement de '%s'."
+msgstr "Erreur lors du chargement de « %s »."
 
 #: editor/editor_node.cpp
 msgid "Saving Scene"
@@ -1925,8 +1965,8 @@ msgid ""
 "This resource was imported, so it's not editable. Change its settings in the "
 "import panel and then re-import."
 msgstr ""
-"Cette ressource a été importée, elle n'est donc pas éditable. Modifiez ses "
-"paramètres dans le panneau d'importation et, ensuite, réimportez-la."
+"Cette ressource a été importée, elle n'est donc pas modifiable. Modifiez ses "
+"paramètres dans le panneau d'importation et réimportez-la ensuite."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1935,8 +1975,9 @@ msgid ""
 "Please read the documentation relevant to importing scenes to better "
 "understand this workflow."
 msgstr ""
-"Cette scène a été importée, les changements ne seront donc pas conservés.\n"
-"L'instancier ou l'hériter permettra de faire ces changements.\n"
+"Cette scène a été importée, les modifications ne seront donc pas "
+"conservées.\n"
+"L'instancier ou l'hériter permettra de conserver les modifications.\n"
 "Veuillez lire la documentation concernant l'importation des scènes afin de "
 "mieux comprendre ce processus."
 
@@ -2018,16 +2059,15 @@ msgstr "Enregistrer & fermer"
 
 #: editor/editor_node.cpp
 msgid "Save changes to '%s' before closing?"
-msgstr "Sauvegarder modifications de '%s' avant de quitter ?"
+msgstr "Sauvegarder les modifications effectuées à « %s » avant de quitter ?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Impossible de charger la ressource."
+msgstr "Sauvegardé %s des ressources modifiées."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Un nœud racine est nécessaire pour sauvegarder la scène."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2044,7 +2084,7 @@ msgstr "Oui"
 #: editor/editor_node.cpp
 msgid "This scene has never been saved. Save before running?"
 msgstr ""
-"Cette scène n'a jamais été enregistrée. L'enregistrer avant de la lancer ?"
+"Cette scène n'a jamais été enregistrée. L'enregistrer avant de la lancer ?"
 
 #: editor/editor_node.cpp editor/scene_tree_dock.cpp
 msgid "This operation can't be done without a scene."
@@ -2130,39 +2170,39 @@ msgstr "Choisir une scène principale"
 #: editor/editor_node.cpp
 msgid "Unable to enable addon plugin at: '%s' parsing of config failed."
 msgstr ""
-"Impossible d'activer le greffon depuis : '%s' l’analyse syntaxique de la "
+"Impossible d'activer le greffon depuis : « %s », l’analyse syntaxique de la "
 "configuration a échoué."
 
 #: editor/editor_node.cpp
 msgid "Unable to find script field for addon plugin at: 'res://addons/%s'."
 msgstr ""
-"Impossible de trouver le champ de script pour le plugin dans : 'res://addons/"
-"%s'."
+"Impossible de trouver le champ de script pour le plugin dans : « res://"
+"addons/%s »."
 
 #: editor/editor_node.cpp
 msgid "Unable to load addon script from path: '%s'."
 msgstr ""
-"Impossible de charger le script de l’extension depuis le chemin : '%s'."
+"Impossible de charger le script de l’extension depuis le chemin : « %s »."
 
 #: editor/editor_node.cpp
 msgid ""
 "Unable to load addon script from path: '%s' There seems to be an error in "
 "the code, please check the syntax."
 msgstr ""
-"Impossible de charger le script de l’extension depuis le chemin : '%s' Il "
+"Impossible de charger le script de l’extension depuis le chemin : « %s ». Il "
 "semble y avoir une erreur dans le code, merci de vérifier la syntaxe."
 
 #: editor/editor_node.cpp
 msgid ""
 "Unable to load addon script from path: '%s' Base type is not EditorPlugin."
 msgstr ""
-"Impossible de charger le script de l'addon depuis le chemin : '%s' Le type "
-"de base n'est pas EditorPlugin."
+"Impossible de charger le script de l'addon depuis le chemin : « %s ». Le "
+"type de base n'est pas EditorPlugin."
 
 #: editor/editor_node.cpp
 msgid "Unable to load addon script from path: '%s' Script is not in tool mode."
 msgstr ""
-"Impossible de charger le script de l’extension depuis le chemin : '%s' Le "
+"Impossible de charger le script de l’extension depuis le chemin : « %s ». Le "
 "script n'est pas en mode outil."
 
 #: editor/editor_node.cpp
@@ -2189,7 +2229,7 @@ msgstr "La scène « %s » a des dépendences cassées :"
 
 #: editor/editor_node.cpp
 msgid "Clear Recent Scenes"
-msgstr "Vider la liste des scènes récentes"
+msgstr "Effacer la liste des scènes récentes"
 
 #: editor/editor_node.cpp
 msgid "Save Layout"
@@ -2419,7 +2459,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Sync Scene Changes"
-msgstr "Synchroniser les changements de scène"
+msgstr "Synchroniser les modifications des scènes"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2430,12 +2470,12 @@ msgid ""
 msgstr ""
 "Lorsque cette option est activée, toutes les modifications apportées à la "
 "scène dans l'éditeur seront reproduites en jeu.\n"
-"Lorsqu'elle est utilisée à distance sur un périphérique, l'efficacité est "
-"meilleure avec le système de fichiers réseau."
+"Lorsqu'elle est utilisée à distance sur un périphérique, cette option est "
+"plus efficace avec le système de fichiers réseau."
 
 #: editor/editor_node.cpp
 msgid "Sync Script Changes"
-msgstr "Synchroniser les modifications de script"
+msgstr "Synchroniser les modifications des scripts"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2560,7 +2600,7 @@ msgstr "Changer le pilote vidéo nécessite le redémarrage de l'éditeur."
 #: editor/editor_node.cpp editor/project_settings_editor.cpp
 #: editor/settings_config_dialog.cpp
 msgid "Save & Restart"
-msgstr "Enregistrer et Redémarrer"
+msgstr "Enregistrer et redémarrer"
 
 #: editor/editor_node.cpp
 msgid "Spins when the editor window redraws."
@@ -2702,7 +2742,7 @@ msgstr "État :"
 
 #: editor/editor_plugin_settings.cpp
 msgid "Edit:"
-msgstr "Éditer :"
+msgstr "Modifier :"
 
 #: editor/editor_profiler.cpp editor/plugins/animation_state_machine_editor.cpp
 #: editor/rename_dialog.cpp
@@ -2803,7 +2843,7 @@ msgid ""
 msgstr ""
 "Impossible de créer un ViewportTexture sur cette ressource car elle n'est "
 "pas définie comme locale à la scène.\n"
-"Merci de changer la propriété \"Local To Scene\" de cette ressource (et des "
+"Merci de changer la propriété « Local To Scene » de cette ressource (et des "
 "ressources intermédiaires la contenant, jusqu'au nœud qui l'utilise)."
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
@@ -2955,11 +2995,12 @@ msgstr "Récupération des miroirs, veuillez patienter..."
 
 #: editor/export_template_manager.cpp
 msgid "Remove template version '%s'?"
-msgstr "Supprimer la version '%s' du modèle ?"
+msgstr "Supprimer la version « %s » du modèle ?"
 
 #: editor/export_template_manager.cpp
 msgid "Can't open export templates zip."
-msgstr "Impossible d'ouvrir le ZIP de modèles d'exportation."
+msgstr ""
+"Impossible d'ouvrir le fichier ZIP contenant les modèles d'exportation."
 
 #: editor/export_template_manager.cpp
 msgid "Invalid version.txt format inside templates: %s."
@@ -3017,7 +3058,7 @@ msgstr "Boucle de Redirection."
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Failed:"
-msgstr "Échec:"
+msgstr "Échec :"
 
 #: editor/export_template_manager.cpp
 msgid "Download Complete."
@@ -3028,8 +3069,8 @@ msgid ""
 "Templates installation failed. The problematic templates archives can be "
 "found at '%s'."
 msgstr ""
-"L'installation des modèles à échoué. Les archives des modèles posant "
-"problème peuvent être trouvées ici : '%s'."
+"L'installation des modèles a échoué. Les archives des modèles posant "
+"problème peuvent être trouvées à « %s »."
 
 #: editor/export_template_manager.cpp
 msgid "Error requesting url: "
@@ -3128,16 +3169,8 @@ msgstr "Favoris"
 #: editor/filesystem_dock.cpp
 msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
-"Impossible d'accédez à '%s' car celui-ci n'existe pas dans le système de "
-"fichiers !"
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Afficher les éléments sous forme de grille de vignettes."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Afficher les éléments sous forme de liste."
+"Impossible d'accéder à « %s » car celui-ci n'existe pas dans le système de "
+"fichiers !"
 
 #: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
@@ -3235,11 +3268,11 @@ msgstr "Déplacer vers…"
 
 #: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
 msgid "New Script..."
-msgstr "Nouveau Script..."
+msgstr "Nouveau script…"
 
 #: editor/filesystem_dock.cpp
 msgid "New Resource..."
-msgstr "Nouvelle Ressource…"
+msgstr "Nouvelle ressource…"
 
 #: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
 msgid "Expand All"
@@ -3277,12 +3310,6 @@ msgid "Search files"
 msgstr "Rechercher des fichiers"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Instancie la(les) scène(s) sélectionnée(s) en tant qu'enfant(s) du nœud "
-"sélectionné."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3309,11 +3336,11 @@ msgstr "Créer un script"
 
 #: editor/find_in_files.cpp
 msgid "Find in Files"
-msgstr "Trouver dans les fichiers"
+msgstr "Rechercher dans les fichiers"
 
 #: editor/find_in_files.cpp
 msgid "Find:"
-msgstr "Trouver :"
+msgstr "Rechercher :"
 
 #: editor/find_in_files.cpp
 msgid "Folder:"
@@ -3326,7 +3353,7 @@ msgstr "Filtres :"
 #: editor/find_in_files.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/script_text_editor.cpp
 msgid "Find..."
-msgstr "Trouver…"
+msgstr "Rechercher…"
 
 #: editor/find_in_files.cpp editor/plugins/script_text_editor.cpp
 msgid "Replace..."
@@ -3338,7 +3365,7 @@ msgstr "Annuler"
 
 #: editor/find_in_files.cpp
 msgid "Find: "
-msgstr "Trouver : "
+msgstr "Rechercher : "
 
 #: editor/find_in_files.cpp
 msgid "Replace: "
@@ -3472,11 +3499,11 @@ msgstr "Enregistrement…"
 
 #: editor/import_dock.cpp
 msgid "Set as Default for '%s'"
-msgstr "Définir comme défaut pour '%s'"
+msgstr "Définir comme défaut pour « %s »"
 
 #: editor/import_dock.cpp
 msgid "Clear Default for '%s'"
-msgstr "Effacer défaut pour '%s'"
+msgstr "Effacer le préréglage par défaut pour « %s »"
 
 #: editor/import_dock.cpp
 msgid " Files"
@@ -3492,7 +3519,7 @@ msgstr "Pré-réglage…"
 
 #: editor/import_dock.cpp
 msgid "Reimport"
-msgstr "Ré-importer"
+msgstr "Réimporter"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
@@ -3501,13 +3528,13 @@ msgstr "Sauvegarde des scènes, réimportation et redémarrage"
 #: editor/import_dock.cpp
 msgid "Changing the type of an imported file requires editor restart."
 msgstr ""
-"Changer le type d'un fichier importé nécessite un redémarrage de l'éditeur."
+"Modifier le type d'un fichier importé nécessite un redémarrage de l'éditeur."
 
 #: editor/import_dock.cpp
 msgid ""
 "WARNING: Assets exist that use this resource, they may stop loading properly."
 msgstr ""
-"AVERTISSEMENT : Il existe des éléments qui utilisent cette ressource, ils "
+"AVERTISSEMENT : Il existe des atout qui utilisent cette ressource, elles "
 "pourraient cesser de charger correctement."
 
 #: editor/inspector_dock.cpp
@@ -3597,7 +3624,7 @@ msgstr "Ensemble multi-nœud"
 
 #: editor/node_dock.cpp
 msgid "Select a Node to edit Signals and Groups."
-msgstr "Sélectionnez un nœud pour editer des signaux et des groupes."
+msgstr "Sélectionnez un nœud pour modifier les signaux et groupes."
 
 #: editor/plugin_config_dialog.cpp
 msgid "Edit a Plugin"
@@ -3644,7 +3671,7 @@ msgid ""
 "LMB: Move Point\n"
 "RMB: Erase Point"
 msgstr ""
-"Éditer les points.\n"
+"Modifier les points.\n"
 "Bouton gauche : Déplacer le point\n"
 "Bouton droit : Effacer le point"
 
@@ -3686,19 +3713,16 @@ msgstr "Charger..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Déplacer de points"
+msgstr "Déplacer le point de nœud"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Changer le temps de mélange"
+msgstr "Modifier les limites de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Changer le temps de mélange"
+msgstr "Modifier les étiquettes de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3710,24 +3734,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Ajouter un nœud"
+msgstr "Ajouter point de nœud"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Ajouter une animation"
+msgstr "Ajouter un point d'animation"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Supprimer le point du chemin"
+msgstr "Supprimer le point BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Bouger le nœud BlendSpace1d"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3738,7 +3759,7 @@ msgid ""
 "Activate to enable playback, check node warnings if activation fails."
 msgstr ""
 "AnimationTree est inactif.\n"
-"Activez le pour permettre la lecture, vérifier les avertissements des nœuds "
+"Activez-le pour permettre la lecture, vérifier les avertissements des nœuds "
 "en cas d'échec de l'activation."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
@@ -3774,29 +3795,24 @@ msgid "Triangle already exists"
 msgstr "Le triangle existe déjà"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Ajouter une variable"
+msgstr "Ajouter un triangle"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Changer le temps de mélange"
+msgstr "Modifier les limites de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Changer le temps de mélange"
+msgstr "Modifier les étiquettes de BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Supprimer le point du chemin"
+msgstr "Supprimer le point BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Supprimer la variable"
+msgstr "Supprimer le triangle BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3807,9 +3823,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Il n'existe pas de triangles, donc aucun mélange ne peut avoir lieu."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Activer les variables globales AutoLoad"
+msgstr "Commutation automatique des triangles"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3830,29 +3845,26 @@ msgid "Blend:"
 msgstr "Mélange :"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Modifications de materiau"
+msgstr "Paramètre modifié"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Edit Filters"
-msgstr "Editer les filtres"
+msgstr "Modifier les filtres"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Output node can't be added to the blend tree."
 msgstr "Un nœud de sortie ne peut être ajouté à l'arborescence du mélange."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Ajouter un nœud à partir de l'arbre"
+msgstr "Ajouter un nœud au BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Mode déplacement"
+msgstr "Nœud déplacé"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3863,42 +3875,36 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Connecté"
+msgstr "Nœuds connectés"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Déconnecté"
+msgstr "Nœuds déconnectés"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Nouvelle animation"
+msgstr "Définir l'animation"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Supprimer nœud(s)"
+msgstr "Supprimer un nœud"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Activer/désactiver cette piste."
+msgstr "Activer/désactiver le filtre"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Filtre de langue modifié"
+msgstr "Changer le filtre"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
 msgstr ""
-"Aucun lecteur d'animation défini, dès lors impossible de retrouver les noms "
-"des pistes."
+"Aucun lecteur d'animation défini, il est donc impossible de retrouver les "
+"noms des pistes."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Player path set is invalid, so unable to retrieve track names."
@@ -3912,14 +3918,13 @@ msgid ""
 "Animation player has no valid root node path, so unable to retrieve track "
 "names."
 msgstr ""
-"Le lecteur d'animation n'a pas un chemin de nœud racine valide, dès lors "
+"Le lecteur d'animation n'a pas un chemin de nœud racine valide, il est donc "
 "impossible de récupérer les noms des pistes."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nom de nœud"
+msgstr "Nœud renommé"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3929,7 +3934,7 @@ msgstr "Ajouter un nœud..."
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/root_motion_editor_plugin.cpp
 msgid "Edit Filtered Tracks:"
-msgstr "Éditer Pistes Filtrées :"
+msgstr "Modifier les pistes filtrées :"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Enable filtering"
@@ -4073,7 +4078,7 @@ msgstr "Effet pelure d'oignon"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Enable Onion Skinning"
-msgstr "Activer l'effet pelure d'oignon"
+msgstr "Activer l'effet « pelure d'oignon »"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Directions"
@@ -4148,14 +4153,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Temps de mélange des entre animations"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Mode déplacement"
+msgstr "Déplacer le nœud"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Ajouter une traduction"
+msgstr "Ajouter une transition"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4192,18 +4195,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Aucune ressource de lecture définie sur le chemin : %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Supprimer"
+msgstr "Nœud supprimé"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "NÅ“ud Transition"
+msgstr "Transition supprimée"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Définir le nœud de démarrage (Lecture automatique)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4382,7 +4383,7 @@ msgstr "Filtres…"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Contents:"
-msgstr "Contenu:"
+msgstr "Contenu :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "View Files"
@@ -4390,7 +4391,7 @@ msgstr "Voir Fichiers"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Can't resolve hostname:"
-msgstr "Impossible de résoudre le nom de l'hôte:"
+msgstr "Impossible de résoudre le nom de l'hôte :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Connection error, please try again."
@@ -4398,15 +4399,15 @@ msgstr "Erreur de connection, veuillez essayer à nouveau."
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Can't connect to host:"
-msgstr "Connection à l'hôte impossible:"
+msgstr "Connexion à l'hôte impossible :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "No response from host:"
-msgstr "Pas de réponse de l'hôte:"
+msgstr "Pas de réponse de l'hôte :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Request failed, return code:"
-msgstr "La requête a échoué, code retourné:"
+msgstr "La requête a échoué, code retourné :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Request failed, too many redirects"
@@ -4418,7 +4419,7 @@ msgstr "Vérification du téléchargement échouée, le fichier a été altéré
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Expected:"
-msgstr "Attendu:"
+msgstr "Attendu :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Got:"
@@ -4430,7 +4431,7 @@ msgstr "Vérification de brouillage sha256 échouée"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Asset Download Error:"
-msgstr "Erreur dans le téléchargement d'une ressource:"
+msgstr "Erreur dans le téléchargement d'une ressource :"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Downloading (%s / %s)..."
@@ -4462,7 +4463,7 @@ msgstr "Erreur de téléchargement"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Download for this asset is already in progress!"
-msgstr "Le téléchargement de cette ressource est déjà en cours!"
+msgstr "Le téléchargement de cette ressource est déjà en cours !"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "First"
@@ -4539,8 +4540,8 @@ msgid ""
 "No meshes to bake. Make sure they contain an UV2 channel and that the 'Bake "
 "Light' flag is on."
 msgstr ""
-"Aucun mesh à transférer. Assurez-vous qu'ils contiennent un canal UV2 et que "
-"l'indicateur \"Bake Light\" est activé."
+"Aucun maillage à transférer. Assurez-vous qu'ils contiennent un canal UV2 et "
+"que l'indicateur « Bake Light » est activé."
 
 #: editor/plugins/baked_lightmap_editor_plugin.cpp
 msgid "Failed creating lightmap images, make sure path is writable."
@@ -5021,7 +5022,7 @@ msgstr "Basculer vers tangente linéaire de courbe"
 
 #: editor/plugins/curve_editor_plugin.cpp
 msgid "Hold Shift to edit tangents individually"
-msgstr "Maintenez l'appui sur Maj pour éditer les tangentes individuellement"
+msgstr "Maintenez Maj. appuyée pour modifier les tangentes individuellement"
 
 #: editor/plugins/gi_probe_editor_plugin.cpp
 msgid "Bake GI Probe"
@@ -5029,7 +5030,7 @@ msgstr "Créer sonde IG (Illumination Globale)"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Dégradé édité"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5081,7 +5082,9 @@ msgstr "Le maillage contenu n'est pas de type ArrayMesh."
 
 #: editor/plugins/mesh_instance_editor_plugin.cpp
 msgid "UV Unwrap failed, mesh may not be manifold?"
-msgstr "L'ouverture du UV a échoué, le maillage n'est peut-être pas multiple ?"
+msgstr ""
+"Le dépliage UV a échoué, le maillage n'est peut-être pas multiple "
+"(« manifold ») ?"
 
 #: editor/plugins/mesh_instance_editor_plugin.cpp
 msgid "No mesh to debug."
@@ -5229,11 +5232,11 @@ msgstr "Impossible de cartographier la zone."
 
 #: editor/plugins/multimesh_editor_plugin.cpp
 msgid "Select a Source Mesh:"
-msgstr "Sélectionner un maillage source :"
+msgstr "Sélectionnez un maillage source :"
 
 #: editor/plugins/multimesh_editor_plugin.cpp
 msgid "Select a Target Surface:"
-msgstr "Sélectionner une surface cible :"
+msgstr "Sélectionnez une surface cible :"
 
 #: editor/plugins/multimesh_editor_plugin.cpp
 msgid "Populate Surface"
@@ -5293,6 +5296,10 @@ msgid "Generating Visibility Rect"
 msgstr "Génération du rectangle de visibilité"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Générer Rect de Visibilité"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Ne peut définir qu'un point dans un matériau de processus ParticlesMaterial"
@@ -5306,10 +5313,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Pas de pixels avec transparence > 128 dans l'image..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Générer Rect de Visibilité"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Charger Masque d'Émission"
 
@@ -5334,7 +5337,7 @@ msgstr "Compte de Points Générés :"
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Generation Time (sec):"
-msgstr "Temps de Génération (sec):"
+msgstr "Temps de Génération (sec) :"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Emission Mask"
@@ -5354,7 +5357,7 @@ msgstr "Des faces ne contiennent pas de zone !"
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "No faces!"
-msgstr "Pas de faces!"
+msgstr "Pas de faces !"
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Node does not contain geometry."
@@ -5370,7 +5373,7 @@ msgstr "Créer Émetteur"
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Emission Points:"
-msgstr "Points d'Émission:"
+msgstr "Points d'Émission :"
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Surface Points"
@@ -5390,20 +5393,20 @@ msgstr "Source d'Émission: "
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "A processor material of type 'ParticlesMaterial' is required."
-msgstr "Un matériel processeur de type 'ParticlesMaterial' est requis."
+msgstr "Un matériel processeur de type « ParticlesMaterial » est nécessaire."
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Generating AABB"
 msgstr "Générer AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Générer AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Générer AABB de Visibilité"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Générer AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Supprimer Point de la Courbe"
@@ -5552,7 +5555,7 @@ msgid ""
 "Set a texture to be able to edit UV."
 msgstr ""
 "Pas de texture dans ce polygone.\n"
-"Sélectionnez une texture pour pouvoir éditer les UV."
+"Sélectionnez une texture afin de pouvoir modifier les coordonnées UV."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create UV Map"
@@ -5958,7 +5961,7 @@ msgstr "Afficher/Cacher le panneau des scripts"
 #: editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/script_text_editor.cpp
 msgid "Find Next"
-msgstr "Trouver le suivant"
+msgstr "Correspondance suivante"
 
 #: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
 msgid "Step Over"
@@ -5990,6 +5993,14 @@ msgid "Open Godot online documentation"
 msgstr "Ouvrir la documentation Godot en ligne"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Chercher dans la documentation de référence."
 
@@ -6063,19 +6074,19 @@ msgstr "Modifier la casse"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Uppercase"
-msgstr "Majuscule"
+msgstr "Tout en majuscule"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Lowercase"
-msgstr "Minuscule"
+msgstr "Tout en minuscule"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Capitalize"
-msgstr "Capitaliser"
+msgstr "Majuscule à chaque mot"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Syntax Highlighter"
-msgstr "Surligneur de syntaxe"
+msgstr "Coloration syntaxique"
 
 #: editor/plugins/script_text_editor.cpp scene/gui/line_edit.cpp
 #: scene/gui/text_edit.cpp
@@ -6158,11 +6169,11 @@ msgstr "Aller au point d'arrêt précédent"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Find Previous"
-msgstr "Trouver le précédent"
+msgstr "Correspondance précédente"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Find in Files..."
-msgstr "Trouver dans les fichiers..."
+msgstr "Rechercher dans les fichiers…"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Go to Function..."
@@ -6185,14 +6196,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Ce squelette n'a pas d'os, créez des nœuds Bone2D enfants."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Créer la position de repos (d'après les os)"
+msgstr "Créer la position de repos d'après les os"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Créer la position de repos (d'après les os)"
+msgstr "Régler la position de repos sur les os"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6347,7 +6356,6 @@ msgid "Rear"
 msgstr "Arrière"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
 msgstr "Aligner avec la vue"
 
@@ -6446,6 +6454,9 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Note : La valeur FPS affichée est la fréquence d'images de l'éditeur.\n"
+"Il ne doit pas être utilisé comme un indicateur fiable de la performance en "
+"jeu."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6456,9 +6467,8 @@ msgid "XForm Dialog"
 msgstr "Dialogue XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Aligner l'objet sur le sol"
+msgstr "Aligner les nœuds au sol"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6856,7 +6866,7 @@ msgstr "Supprimer tout"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Edit theme..."
-msgstr "Éditer le thème..."
+msgstr "Modifier le thème…"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Theme editing menu."
@@ -6992,7 +7002,7 @@ msgstr "Supprimer la TileMap"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Find Tile"
-msgstr "Trouver une tuile"
+msgstr "Rechercher une tuile"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Transpose"
@@ -7055,6 +7065,22 @@ msgid "Merge from Scene"
 msgstr "Fusionner depuis la scène"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Coordonnée suivante"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Sélectionnez la forme suivante, sous-tuile, ou tuile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordonnée précédente"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Sélectionner la forme précédente, sous-tuile, ou tuile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Copier le masque de bit."
 
@@ -7067,9 +7093,8 @@ msgid "Erase bitmask."
 msgstr "Effacer le masque de bit."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Créer de nouveaux nœuds."
+msgstr "Créer un nouveau rectangle."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7132,7 +7157,7 @@ msgid ""
 "Click on another Tile to edit it."
 msgstr ""
 "Sélectionner la sous-tuile en cours d'édition.\n"
-"Cliquer sur une autre tuile pour l'éditer."
+"Cliquez sur une autre tuile pour la modifier."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Delete polygon."
@@ -7146,7 +7171,7 @@ msgid ""
 msgstr ""
 "Bouton gauche : Activer le bit.\n"
 "Bouton droit : Désactiver le bit.\n"
-"Cliquer sur une autre tuile pour l'éditer."
+"Cliquez sur une autre tuile pour la modifier."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7163,16 +7188,16 @@ msgid ""
 "Select sub-tile to change its priority.\n"
 "Click on another Tile to edit it."
 msgstr ""
-"Sélectionner une sous-tuile pour changer sa priorité.\n"
-"Cliquer sur une autre tuile pour l'éditer."
+"Sélectionnez une sous-tuile pour changer sa priorité.\n"
+"Cliquez sur une autre tuile pour la modifier."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
 "Select sub-tile to change its z index.\n"
 "Click on another Tile to edit it."
 msgstr ""
-"Sélectionner une sous-tuile pour changer son index Z.\n"
-"Cliquer sur une autre tuile pour l'éditer."
+"Sélectionnez une sous-tuile pour changer son index Z.\n"
+"Cliquez sur une autre tuile pour la modifier."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Set Tile Region"
@@ -7211,6 +7236,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Supprimer le masque de bit de la tuile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Rendre le polygone concave"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Rendre le polygon Convex"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Supprimer la tuile"
 
@@ -7252,26 +7285,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Définir le nom de l'uniforme"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Définir comme défaut pour '%s'"
+msgstr "Définir le port d'entrée par défaut"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Ajouter un nœud au Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
 msgstr "Dupliquer le(s) nœud(s)"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Type d’entrée Visual Shader changée"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7290,14 +7320,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Modifier la priorité de la tuile"
+msgstr "Modifier la propriété visuelle"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Modification de shader"
+msgstr "Mode Visual Shader changé"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7305,17 +7333,19 @@ msgstr "Exécutable"
 
 #: editor/project_export.cpp
 msgid "Delete patch '%s' from list?"
-msgstr "Supprimer le patch '%s' de la liste ?"
+msgstr "Supprimer le patch « %s » de la liste ?"
 
 #: editor/project_export.cpp
 msgid "Delete preset '%s'?"
-msgstr "Supprimer pré-réglage '%s' ?"
+msgstr "Supprimer le pré-réglage « %s » ?"
 
 #: editor/project_export.cpp
 msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Échec de l'exportation du projet pour la plate-forme « %s ».\n"
+"Les modèles d'exportation semblent être manquants ou invalides."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7323,6 +7353,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Échec de l'exportation du projet pour la plate-forme « %s ».\n"
+"Cela peut être dû à un problème de configuration dans le préréglage "
+"d'exportation ou dans vos paramètres d'exportation."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7333,6 +7366,10 @@ msgid "Exporting All"
 msgstr "Tout exporter"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Le chemin de l'exportation donné n'existe pas :"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Modèles d'exportation manquants ou corrompus pour cette plateforme :"
 
@@ -7440,7 +7477,7 @@ msgstr "Exporter le PCK/ZIP"
 
 #: editor/project_export.cpp
 msgid "Export mode?"
-msgstr "Mode d'exportation?"
+msgstr "Mode d'exportation ?"
 
 #: editor/project_export.cpp
 msgid "Export All"
@@ -7461,8 +7498,8 @@ msgstr "Le chemin vers ce fichier n'existe pas."
 #: editor/project_manager.cpp
 msgid "Invalid '.zip' project file, does not contain a 'project.godot' file."
 msgstr ""
-"Fichier de projet '.zip' invalide, il ne contient pas de fichier 'project."
-"godot'."
+"Fichier de projet « .zip » invalide, il ne contient pas de fichier « project."
+"godot »."
 
 #: editor/project_manager.cpp
 msgid "Please choose an empty folder."
@@ -7470,7 +7507,7 @@ msgstr "Veuillez choisir un dossier vide."
 
 #: editor/project_manager.cpp
 msgid "Please choose a 'project.godot' or '.zip' file."
-msgstr "Veuillez choisir un fichier 'project.godot' ou '.zip'."
+msgstr "Veuillez choisir un fichier « project.godot » ou « .zip »."
 
 #: editor/project_manager.cpp
 msgid "Directory already contains a Godot project."
@@ -7547,7 +7584,7 @@ msgstr "Créer et ouvrir"
 
 #: editor/project_manager.cpp
 msgid "Install Project:"
-msgstr "Installer projet :"
+msgstr "Installer le projet :"
 
 #: editor/project_manager.cpp
 msgid "Install & Edit"
@@ -7575,7 +7612,7 @@ msgstr "Parcourir"
 
 #: editor/project_manager.cpp
 msgid "Renderer:"
-msgstr "Moteur de rendre :"
+msgstr "Moteur de rendu :"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 3.0"
@@ -7661,7 +7698,7 @@ msgid ""
 "the engine anymore."
 msgstr ""
 "Le fichier de configuration de projet ci-dessous a été généré par une "
-"précédente version du moteur, et doit être mis à nouveau pour cette "
+"précédente version du moteur, et doit être mis à niveau pour cette "
 "version :\n"
 "\n"
 "%s\n"
@@ -7684,17 +7721,17 @@ msgid ""
 "Please edit the project and set the main scene in \"Project Settings\" under "
 "the \"Application\" category."
 msgstr ""
-"Impossible de lancer le projet : Pas de scène principale définie\n"
-"Veuillez éditer le projet et définir la scène principale dans \"Paramètres "
-"du projet\" sous la catégorie \"Application\"."
+"Impossible de lancer le projet : pas de scène principale définie.\n"
+"Veuillez modifier le projet et définir la scène principale dans « Paramètres "
+"du projet » sous la catégorie « Application »."
 
 #: editor/project_manager.cpp
 msgid ""
 "Can't run project: Assets need to be imported.\n"
 "Please edit the project to trigger the initial import."
 msgstr ""
-"Impossible d'exécuter le projet: Des ressources doivent être importées. \n"
-"Veuillez éditer le projet pour déclencher l'importation initiale."
+"Impossible d'exécuter le projet : des ressources doivent être importées. \n"
+"Veuillez cliquer sur « Édition » pour déclencher l'importation initiale."
 
 #: editor/project_manager.cpp
 msgid "Are you sure to run more than one project?"
@@ -7710,7 +7747,7 @@ msgid ""
 "Language changed.\n"
 "The UI will update next time the editor or project manager starts."
 msgstr ""
-"La langue à été modifiée.\n"
+"La langue a été modifiée.\n"
 "L'interface utilisateur sera mise à jour au prochain démarrage de l'éditeur "
 "ou du gestionnaire de projets."
 
@@ -7763,9 +7800,8 @@ msgid ""
 "You don't currently have any projects.\n"
 "Would you like to explore the official example projects in the Asset Library?"
 msgstr ""
-"Vous n'avez pour l'instant aucun projets.\n"
-"Aimeriez-vous explorer les exemples de projets officiels dans l'Asset "
-"Library ?"
+"Vous n'avez pour l'instant aucun projet.\n"
+"Voulez-vous explorer les exemples de projets officiels dans l'Asset Library ?"
 
 #: editor/project_settings_editor.cpp
 msgid "Key "
@@ -7788,8 +7824,8 @@ msgid ""
 "Invalid action name. it cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'"
 msgstr ""
-"Nom d'action invalide. Il ne peux être vide ni contenir '/', ':', '=', '\\' "
-"ou '\"'"
+"Nom d'action invalide. Il ne peut être vide ni contenir « / », « : », « = », "
+"« \\ » ou « \" »"
 
 #: editor/project_settings_editor.cpp
 msgid "Action '%s' already exists!"
@@ -7929,11 +7965,11 @@ msgstr "Sélectionnez d'abord un élément à configurer !"
 
 #: editor/project_settings_editor.cpp
 msgid "No property '%s' exists."
-msgstr "Il n'y a pas de propriété '%s'."
+msgstr "Il n'y a pas de propriété « %s »."
 
 #: editor/project_settings_editor.cpp
 msgid "Setting '%s' is internal, and it can't be deleted."
-msgstr "Le paramètre '%s' est interne et ne peut être effacé."
+msgstr "Le paramètre « %s » est interne et ne peut être effacé."
 
 #: editor/project_settings_editor.cpp
 msgid "Delete Item"
@@ -7944,8 +7980,8 @@ msgid ""
 "Invalid action name. It cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'."
 msgstr ""
-"Nom d'action invalide. Il ne peux être vide ou contenir '/', ':', '=', '\\' "
-"ou '\"'."
+"Nom d'action invalide. Il ne peut être vide ou contenir « / », « : », « = », "
+"« \\ » ou « \" »."
 
 #: editor/project_settings_editor.cpp
 msgid "Already existing"
@@ -8157,12 +8193,12 @@ msgstr "Sélectionner une méthode"
 
 #: editor/pvrtc_compress.cpp
 msgid "Could not execute PVRTC tool:"
-msgstr "Impossible d'exécuter l'outil PVRTC :"
+msgstr "Impossible d'exécuter l'outil PVRTC :"
 
 #: editor/pvrtc_compress.cpp
 msgid "Can't load back converted image using PVRTC tool:"
 msgstr ""
-"L'image convertie n'a pas pu être rechargée en utilisant l'outil PVRTC :"
+"L'image convertie n'a pas pu être rechargée en utilisant l'outil PVRTC :"
 
 #: editor/rename_dialog.cpp editor/scene_tree_dock.cpp
 msgid "Batch Rename"
@@ -8379,9 +8415,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Les scènes instanciées ne peuvent pas devenir la racine"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Choisir comme racine de scène"
+msgstr "Choisir le nœud comme racine de scène"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8420,9 +8455,8 @@ msgid "Make Local"
 msgstr "Rendre local"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Choisir comme racine de scène"
+msgstr "Nouvelle racine de scène"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8539,7 +8573,7 @@ msgstr ""
 #: editor/scene_tree_dock.cpp
 msgid "Attach a new or existing script for the selected node."
 msgstr ""
-"Attacher un nouveau script ou un script existant pour le nœud sélectionné ."
+"Attacher un nouveau script ou un script existant pour le nœud sélectionné."
 
 #: editor/scene_tree_dock.cpp
 msgid "Clear a script for the selected node."
@@ -8643,7 +8677,7 @@ msgstr "Sélectionner un nœud"
 
 #: editor/script_create_dialog.cpp
 msgid "Error loading template '%s'"
-msgstr "Erreur de chargement de modèle '%s'"
+msgstr "Erreur lors du chargement du modèle « %s »"
 
 #: editor/script_create_dialog.cpp
 msgid "Error - Could not create script in filesystem."
@@ -8855,19 +8889,16 @@ msgid "Set From Tree"
 msgstr "Définir depuis l'arbre"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Lent sur la fin"
+msgstr "Effacer le raccourci"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Raccourcis"
+msgstr "Restaurer le raccourci"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Modifier les ancres"
+msgstr "Modifier le raccourci"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8911,11 +8942,11 @@ msgstr "Changer le rayon d'une forme en sphère"
 
 #: editor/spatial_editor_gizmos.cpp modules/csg/csg_gizmos.cpp
 msgid "Change Box Shape Extents"
-msgstr "Changer les extents d'une forme en boîte"
+msgstr "Changer l'étendue de la forme rectangulaire"
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Capsule Shape Radius"
-msgstr "Changer le rayon d'une forme en capsule"
+msgstr "Changer le rayon de la forme capsule"
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Capsule Shape Height"
@@ -9078,9 +9109,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "Sélection de la duplication de GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Paramètres  GridMap"
+msgstr "Peinture GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9104,15 +9134,15 @@ msgstr "Agrafe ci-dessous"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Edit X Axis"
-msgstr "Editer axe X"
+msgstr "Modifier l'axe X"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Edit Y Axis"
-msgstr "Editer axe Y"
+msgstr "Modifier l'axe Y"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Edit Z Axis"
-msgstr "Editer axe Z"
+msgstr "Modifier l'axe Z"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Cursor Rotate X"
@@ -9462,16 +9492,15 @@ msgstr "Séquence de connexion du nœud"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Script already has function '%s'"
-msgstr "Le script a déjà une fonction '%s'"
+msgstr "Le script a déjà une fonction « %s »"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Change Input Value"
 msgstr "Changer nom de l'entrée"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Redimensionner l'élément de canevas"
+msgstr "Redimensionner le commentaire"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9519,7 +9548,7 @@ msgstr "NÅ“uds disponibles :"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Select or create a function to edit graph"
-msgstr "Sélectionner ou créer une fonction pour éditer le graphe"
+msgstr "Sélectionnez ou créez une fonction pour modifier le graphe"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Edit Signal Arguments:"
@@ -9535,7 +9564,7 @@ msgstr "Supprimer la selection"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Find Node Type"
-msgstr "Trouver le type du nœud"
+msgstr "Rechercher le type de nœud"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Copy Nodes"
@@ -9571,7 +9600,7 @@ msgstr "Indice de nom de propriété invalide."
 
 #: modules/visual_script/visual_script_func_nodes.cpp
 msgid "Base object is not a Node!"
-msgstr "L'objet de base n'est pas un nœud !"
+msgstr "L'objet de base n'est pas un nœud !"
 
 #: modules/visual_script/visual_script_func_nodes.cpp
 msgid "Path does not lead Node!"
@@ -9579,7 +9608,7 @@ msgstr "Le chemin ne mène pas au nœud !"
 
 #: modules/visual_script/visual_script_func_nodes.cpp
 msgid "Invalid index property name '%s' in node %s."
-msgstr "Nom de propriété invalide '%s' dans le nœud %s."
+msgstr "Nom de propriété invalide « %s » dans le nœud %s."
 
 #: modules/visual_script/visual_script_nodes.cpp
 msgid ": Invalid argument of type: "
@@ -9634,8 +9663,8 @@ msgstr "Les segments du paquet doivent être de longueur non nulle."
 #: platform/android/export/export.cpp
 msgid "The character '%s' is not allowed in Android application package names."
 msgstr ""
-"Le caractère '%s' n'est pas autorisé dans les noms de paquet d'applications "
-"Android."
+"Le caractère « %s » n'est pas autorisé dans les noms de paquet "
+"d'applications Android."
 
 #: platform/android/export/export.cpp
 msgid "A digit cannot be the first character in a package segment."
@@ -9650,22 +9679,22 @@ msgstr ""
 
 #: platform/android/export/export.cpp
 msgid "The package must have at least one '.' separator."
-msgstr "Le paquet doit comporter au moins un séparateur '.'."
+msgstr "Le paquet doit comporter au moins un séparateur « . »."
 
 #: platform/android/export/export.cpp
 msgid "ADB executable not configured in the Editor Settings."
-msgstr "L'exécutable ADB n'est pas configuré dans les paramètres de l'éditeur."
+msgstr "L'exécutable ADB n'est pas configuré dans les Paramètres de l'éditeur."
 
 #: platform/android/export/export.cpp
 msgid "OpenJDK jarsigner not configured in the Editor Settings."
 msgstr ""
-"OpenJDK jarsigner n'est pas configuré dans les paramètres de l'éditeur."
+"Le jarsigner OpenJDK n'est pas configuré dans les Paramètres de l'éditeur."
 
 #: platform/android/export/export.cpp
 msgid "Debug keystore not configured in the Editor Settings nor in the preset."
 msgstr ""
-"Debug keystore n'est pas configuré dans les paramètres de l'éditeur ni dans "
-"le préréglage."
+"Le Debug keystore n'est pas configuré dans les Paramètres de l'éditeur, ni "
+"dans le préréglage."
 
 #: platform/android/export/export.cpp
 msgid "Invalid public key for APK expansion."
@@ -9682,11 +9711,11 @@ msgstr "L'identifiant est manquant."
 #: platform/iphone/export/export.cpp
 msgid "Identifier segments must be of non-zero length."
 msgstr ""
-"Les segments de l'identifiant doivent être d'une longueur différente de zéro."
+"Les segments de l'identifiant doivent être d'une longueur supérieure à zéro."
 
 #: platform/iphone/export/export.cpp
 msgid "The character '%s' is not allowed in Identifier."
-msgstr "Le caractère'%s' n'est pas autorisé dans l'identifiant."
+msgstr "Le caractère « %s » n'est pas autorisé dans l'identifiant."
 
 #: platform/iphone/export/export.cpp
 msgid "A digit cannot be the first character in a Identifier segment."
@@ -9697,12 +9726,12 @@ msgstr ""
 msgid ""
 "The character '%s' cannot be the first character in a Identifier segment."
 msgstr ""
-"Le caractère'%s' ne peut pas être le premier caractère d'un segment "
+"Le caractère « %s » ne peut pas être le premier caractère d'un segment "
 "d'identifiant."
 
 #: platform/iphone/export/export.cpp
 msgid "The Identifier must have at least one '.' separator."
-msgstr "L'identifiant doit avoir au moins un séparateur '.'."
+msgstr "L'identifiant doit avoir au moins un séparateur « . »."
 
 #: platform/iphone/export/export.cpp
 msgid "App Store Team ID not specified - cannot configure the project."
@@ -9870,7 +9899,7 @@ msgid ""
 "\"Particles Animation\" enabled."
 msgstr ""
 "L'animation de CPUParticles2D a besoin d'un CanvasItemMaterial avec "
-"\"Particles Animation\" activé."
+"« Particles Animation » activé."
 
 #: scene/2d/light_2d.cpp
 msgid ""
@@ -9934,15 +9963,15 @@ msgid ""
 "imprinted."
 msgstr ""
 "Un matériau de traitement des particules n'est pas assigné, aucun "
-"comportement n'est donc imprimé."
+"comportement n'est donc visible."
 
 #: scene/2d/particles_2d.cpp
 msgid ""
 "Particles2D animation requires the usage of a CanvasItemMaterial with "
 "\"Particles Animation\" enabled."
 msgstr ""
-"L'animation de Particles2D a besoin d'un CanvasItemMaterial avec \"Animation "
-"de Particules\" activé."
+"L'animation de Particles2D a besoin d'un CanvasItemMaterial avec « Particles "
+"Animation » activé."
 
 #: scene/2d/path_2d.cpp
 msgid "PathFollow2D only works when set as a child of a Path2D node."
@@ -10088,6 +10117,14 @@ msgstr ""
 "Une CollisionShape nécessite une forme pour fonctionner. Créez une ressource "
 "de forme pour cette CollisionShape !"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Les formes planes ne fonctionnent pas bien et seront supprimées dans les "
+"versions futures. S'il vous plaît, ne les utilisez pas."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Rien n'est visible car aucun maillage n'a été assigné."
@@ -10097,13 +10134,21 @@ msgid ""
 "CPUParticles animation requires the usage of a SpatialMaterial with "
 "\"Billboard Particles\" enabled."
 msgstr ""
-"L'animation de CPUParticles a besoin d'un SpatialMaterial avec \"Billboard "
-"Particles\" activé."
+"L'animation de CPUParticles a besoin d'un SpatialMaterial avec « Billboard "
+"Particles » activé."
 
 #: scene/3d/gi_probe.cpp
 msgid "Plotting Meshes"
 msgstr "Tracer les maillages"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"Les GIProps ne sont pas supporter par le pilote de vidéos GLES2.\n"
+"A la place utilisez une BakedLightMap."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10141,8 +10186,8 @@ msgid ""
 "Particles animation requires the usage of a SpatialMaterial with \"Billboard "
 "Particles\" enabled."
 msgstr ""
-"L'animation de Particles a besoin d'un SpatialMaterial avec \"Billboard "
-"Particles\" activé."
+"L'animation de Particles a besoin d'un SpatialMaterial avec « Billboard "
+"Particles » activé."
 
 #: scene/3d/path.cpp
 msgid "PathFollow only works when set as a child of a Path node."
@@ -10155,8 +10200,8 @@ msgid ""
 "PathFollow ROTATION_ORIENTED requires \"Up Vector\" enabled in its parent "
 "Path's Curve resource."
 msgstr ""
-"PathFollow ROTATION_ORIENTED nécessite l'activation de \"Up Vector\" dans la "
-"ressource Path's Curve de son parent."
+"L'option ROTATION_ORIENTED de PathFollow nécessite l'activation de « Up "
+"Vector » dans la ressource Curve de son parent Path."
 
 #: scene/3d/physics_body.cpp
 msgid ""
@@ -10225,23 +10270,23 @@ msgstr ""
 
 #: scene/animation/animation_blend_tree.cpp
 msgid "On BlendTree node '%s', animation not found: '%s'"
-msgstr "Sur le nœud BlendTree '%s', animation introuvable : '%s'"
+msgstr "Sur le nœud BlendTree « %s », animation introuvable : « %s »"
 
 #: scene/animation/animation_blend_tree.cpp
 msgid "Animation not found: '%s'"
-msgstr "Animation introuvable : '%s'"
+msgstr "Animation introuvable : « %s »"
 
 #: scene/animation/animation_tree.cpp
 msgid "In node '%s', invalid animation: '%s'."
-msgstr "Dans le nœud '%s', animation non valide : '%s'."
+msgstr "Dans le nœud « %s », animation non valide : « %s »."
 
 #: scene/animation/animation_tree.cpp
 msgid "Invalid animation: '%s'."
-msgstr "Animation invalide : '%s'."
+msgstr "Animation invalide : « %s »."
 
 #: scene/animation/animation_tree.cpp
 msgid "Nothing connected to input '%s' of node '%s'."
-msgstr "Rien n'est connecté à l'entrée '%s' du nœud '%s'."
+msgstr "Rien n'est connecté à l'entrée « %s » du nœud « %s »."
 
 #: scene/animation/animation_tree.cpp
 msgid "A root AnimationNode for the graph is not set."
@@ -10282,6 +10327,18 @@ msgstr "Alterner entre les valeurs hexadécimales ou brutes."
 msgid "Add current color as a preset."
 msgstr "Ajouter la couleur courante comme pré-réglage."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Le conteneur en lui-même ne sert à rien à moins qu'un script ne configure "
+"son comportement de placement de ses enfants.\n"
+"Si vous n'avez pas l'intention d'ajouter un script, utilisez plutôt un nœud "
+"'Control'."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Alerte !"
@@ -10290,6 +10347,10 @@ msgstr "Alerte !"
 msgid "Please Confirm..."
 msgstr "Veuillez confirmer…"
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Aller au dossier parent."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10376,6 +10437,11 @@ msgstr "Affectation à l'uniforme."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Les variations ne peuvent être affectées que dans la fonction vertex."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instancie la(les) scène(s) sélectionnée(s) en tant qu'enfant(s) du nœud "
+#~ "sélectionné."
+
 #~ msgid "FPS"
 #~ msgstr "IPS"
 
diff --git a/editor/translations/he.po b/editor/translations/he.po
index ce4aa15431..1adcb6b56c 100644
--- a/editor/translations/he.po
+++ b/editor/translations/he.po
@@ -5,14 +5,15 @@
 # Daniel <lorddaniel09@gmail.com>, 2018.
 # Ben Golan <golanben4@gmail.com>, 2017.
 # Luc Stepniewski <lior@gradstein.info>, 2017.
-# Yaron Shahrabani <sh.yaron@gmail.com>, 2018.
+# Yaron Shahrabani <sh.yaron@gmail.com>, 2018, 2019.
 # RaikaRakka <shaiyatta@gmail.com>, 2018.
+# Ido Dana <idodana01@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2018-12-13 14:40+0100\n"
-"Last-Translator: RaikaRakka <shaiyatta@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: Yaron Shahrabani <sh.yaron@gmail.com>\n"
 "Language-Team: Hebrew <https://hosted.weblate.org/projects/godot-engine/"
 "godot/he/>\n"
 "Language: he\n"
@@ -21,7 +22,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=4; plural=(n == 1) ? 0 : ((n == 2) ? 1 : ((n > 10 && "
 "n % 10 == 0) ? 2 : 3));\n"
-"X-Generator: Poedit 2.2\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -36,7 +37,7 @@ msgstr ""
 
 #: core/math/expression.cpp
 msgid "Invalid input %i (not passed) in expression"
-msgstr ""
+msgstr "קלט שגוי %I (ל� הועבר) בתוך הביטוי"
 
 #: core/math/expression.cpp
 msgid "self can't be used because instance is null (not passed)"
@@ -47,9 +48,8 @@ msgid "Invalid operands to operator %s, %s and %s."
 msgstr ""
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid index of type %s for base type %s"
-msgstr "ש� מ�פיין ה�ינדקס שגוי."
+msgstr "ש� מ�פיין ה�ינדקס מסוג %s עבור בסיס %s שגוי"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
@@ -66,8 +66,9 @@ msgstr ""
 
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
+#, fuzzy
 msgid "Free"
-msgstr ""
+msgstr "חינ�"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
@@ -79,21 +80,19 @@ msgstr ""
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
-msgstr ""
+msgstr "הכנס מפתח כ�ן"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Duplicate Selected Key(s)"
-msgstr "למחוק �ת הקבצי� הנבחרי�?"
+msgstr "לשכפל �ת הקבצי� הנבחרי�"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Delete Selected Key(s)"
-msgstr "למחוק �ת הקבצי� הנבחרי�?"
+msgstr "למחוק �ת הקבצי� הנבחרי�"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Add Bezier Point"
-msgstr ""
+msgstr "הוסף נקודה"
 
 #: editor/animation_bezier_editor.cpp
 #, fuzzy
@@ -121,22 +120,23 @@ msgid "Anim Change Transform"
 msgstr "שינוי מיקו� �נימציה"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Anim Change Keyframe Value"
-msgstr "שינוי ערך פריי�-מפתח �נימציה"
+msgstr "שינוי ערך קיפריי� �נימציה"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Call"
 msgstr ""
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "החלפת ערך מילון"
+msgstr "החלפת ערך �נימציה"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
+#, fuzzy
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "שינוי לופ �נימציה"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
@@ -170,19 +170,17 @@ msgid "Add Track"
 msgstr "הוספת רצועות חדשות."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Length Time (seconds)"
-msgstr "משך ההנפשה (בשניות)."
+msgstr "משך ההנפשה (בשניות)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Looping"
-msgstr "תקריב הנפשה."
+msgstr "תקריב הנפשה"
 
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Functions:"
-msgstr ""
+msgstr "פונקציות:"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -196,15 +194,17 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Change Track Path"
-msgstr "החלפת ערך המערך"
+msgstr "החלפת ערך רצועה"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Toggle this track on/off."
-msgstr ""
+msgstr "הפעל/כבה רצועה"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Update Mode (How this property is set)"
-msgstr ""
+msgstr "עדכן מצב (�יך המ�פיין הזה נקבע)"
 
 #: editor/animation_track_editor.cpp
 msgid "Interpolation Mode"
@@ -215,14 +215,12 @@ msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
 msgstr ""
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Remove this track."
-msgstr "הסרת נקודה בנתיב"
+msgstr "הסרת רצועה."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Time (s): "
-msgstr "זמן:"
+msgstr "זמן: "
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle Track Enabled"
@@ -250,8 +248,9 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp editor/plugins/curve_editor_plugin.cpp
 #: editor/property_editor.cpp
+#, fuzzy
 msgid "Linear"
-msgstr ""
+msgstr "ליני�רי"
 
 #: editor/animation_track_editor.cpp
 msgid "Cubic"
@@ -268,12 +267,11 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key"
-msgstr ""
+msgstr "הכנס מפתח"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Duplicate Key(s)"
-msgstr "שכפול"
+msgstr "שכפול מפתח"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -296,12 +294,14 @@ msgid "Change Animation Loop Mode"
 msgstr "ש� הנפשה חדשה:"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Remove Anim Track"
-msgstr ""
+msgstr "מחק רצועת הנפשה"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Create NEW track for %s and insert key?"
-msgstr ""
+msgstr "ליצור רצועה חדשה ל%s ולהכניס מפתח?"
 
 #: editor/animation_track_editor.cpp
 msgid "Create %d NEW tracks and insert keys?"
@@ -325,8 +325,9 @@ msgid "AnimationPlayer can't animate itself, only other players."
 msgstr ""
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Anim Create & Insert"
-msgstr ""
+msgstr "יצירת הנפשה"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Track & Key"
@@ -344,7 +345,7 @@ msgstr "ניקוי ההנפשה"
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Rearrange Tracks"
-msgstr "סידור טעינות �וטומטית מחדש"
+msgstr "סידור רצועות"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -373,7 +374,7 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Add Bezier Track"
-msgstr "הוספת רצועות חדשות."
+msgstr "הוספת רצועת בזייה"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -1385,8 +1386,22 @@ msgstr "�ריזה"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1438,7 +1453,7 @@ msgstr "הצגה במנהל הקבצי�"
 msgid "New Folder..."
 msgstr "תיקייה חדשה…"
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "רענון"
 
@@ -1513,10 +1528,35 @@ msgstr "העברת מועדף למעלה"
 msgid "Move Favorite Down"
 msgstr "העברת מועדף למטה"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "המישור הקוד�"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "יצירת תיקייה"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "מעבר לתיקייה שמעל"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "ל� ניתן ליצור תיקייה."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "צפייה בפריטי� כרשת של תמונות ממוזערות"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "הצגת פריטי� כרשימה"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "תיקיות וקבצי�:"
@@ -1750,9 +1790,9 @@ msgstr "מחיקת הפלט"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "שגי�ה בשמירת המש�ב!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1760,6 +1800,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "שגי�ה בשמירת המש�ב!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "שמירת המש�ב בתור…"
 
@@ -3021,16 +3071,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "ל� ניתן לנווט �ל ‚%s’ כיוון של� נמצ� במערכת הקבצי�!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "צפייה בפריטי� כרשת של תמונות ממוזערות"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "הצגת פריטי� כרשימה"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr "מצב: ייבו� הקובץ נכשל. נ� לתקן �ת הקובץ ולייב� מחדש ידנית."
 
@@ -3174,10 +3214,6 @@ msgid "Search files"
 msgstr "חיפוש במחלקות"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5185,19 +5221,19 @@ msgid "Generating Visibility Rect"
 msgstr "נוצר מיז� C#‎…"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5289,11 +5325,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5902,6 +5938,14 @@ msgid "Open Godot online documentation"
 msgstr "פתיחת התיעוד המקוון של Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6992,6 +7036,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "הסקריפט הב�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "הסקריפט הקוד�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7144,6 +7206,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "הזזת מצולע"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "הזזת מצולע"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "הסרת תבנית"
 
@@ -7273,6 +7345,10 @@ msgid "Exporting All"
 msgstr "ייצו�"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9877,6 +9953,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9891,6 +9973,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10038,6 +10126,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "הוספת הצבע הנוכחי כערכה"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -10046,6 +10142,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr "נ� ל�מת…"
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "מעבר לתיקייה שמעל"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/hi.po b/editor/translations/hi.po
index 21993c701c..1758532805 100644
--- a/editor/translations/hi.po
+++ b/editor/translations/hi.po
@@ -1396,8 +1396,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1446,7 +1460,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1521,10 +1535,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1747,8 +1781,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1757,6 +1791,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2997,14 +3041,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3149,10 +3185,6 @@ msgid "Search files"
 msgstr "खोज कर:"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5106,19 +5138,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5209,11 +5241,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5807,6 +5839,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6870,6 +6910,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7018,6 +7074,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "सदस�यता बना�ं"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "मिटाना"
@@ -7139,6 +7204,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9706,6 +9775,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9720,6 +9795,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9865,6 +9946,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9873,6 +9962,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/hr.po b/editor/translations/hr.po
index bb303f6e71..6cfdf720ba 100644
--- a/editor/translations/hr.po
+++ b/editor/translations/hr.po
@@ -1334,8 +1334,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1383,7 +1397,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1458,10 +1472,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1677,8 +1711,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1687,6 +1721,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2921,14 +2965,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3064,10 +3100,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4996,19 +5028,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5099,11 +5131,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5684,6 +5716,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6736,6 +6776,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6874,6 +6930,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -6991,6 +7055,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9542,6 +9610,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9556,6 +9630,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9699,6 +9779,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9707,6 +9795,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/hu.po b/editor/translations/hu.po
index 273ad21282..016e540184 100644
--- a/editor/translations/hu.po
+++ b/editor/translations/hu.po
@@ -1405,8 +1405,22 @@ msgstr "Csomagolás"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1458,7 +1472,7 @@ msgstr "Mutat Fájlkezelőben"
 msgid "New Folder..."
 msgstr "Új Mappa..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Frissítés"
 
@@ -1533,10 +1547,35 @@ msgstr "Kedvenc Felfelé Mozgatása"
 msgid "Move Favorite Down"
 msgstr "Kedvenc Lefelé Mozgatása"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Előző Sík"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Mappa Létrehozása"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ugrás a szülőmappába"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Nem sikerült létrehozni a mappát."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Elemek kirajzolása indexképek rácsába"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Elemek listázása"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Könyvtárak és Fájlok:"
@@ -1777,9 +1816,9 @@ msgstr "Kimenet Törlése"
 msgid "Project export failed with error code %d."
 msgstr "Projekt export nem sikerült, hibakód %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Hiba történt az erőforrás mentésekor!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1787,6 +1826,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Hiba történt az erőforrás mentésekor!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Erőforrás Mentése Másként..."
 
@@ -3120,16 +3169,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "Nem lehet '%s'-t elérni, mivel nem létezik a fájlrendszerben!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Elemek kirajzolása indexképek rácsába"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Elemek listázása"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "�llapot: Fájl importálása sikertelen. Javítsa a fájlt majd importálja be "
@@ -3275,10 +3314,6 @@ msgid "Search files"
 msgstr "Osztályok Keresése"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Kiválasztott Scene(k) példányosítása a kiválasztott Node gyermekeként."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5326,6 +5361,10 @@ msgid "Generating Visibility Rect"
 msgstr "Láthatósági Téglalap Generálása"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Láthatósági Téglalap Generálása"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Csak egy ParticlesMaterial feldolgozó anyagba állíthat pontot"
 
@@ -5338,10 +5377,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Nem létezik egyetlen pixel sem >128-as átlátszósággal a képben..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Láthatósági Téglalap Generálása"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Kibocsátási Maszk Betöltése"
 
@@ -5430,13 +5465,13 @@ msgid "Generating AABB"
 msgstr "AABB Generálása"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "AABB Generálása"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Láthatósági AABB Generálása"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "AABB Generálása"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Pont Eltávolítása Görbéről"
@@ -6053,6 +6088,14 @@ msgid "Open Godot online documentation"
 msgstr "Godot online dokumentáció megnyitása"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Keresés a referencia dokumentációban."
 
@@ -7142,6 +7185,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Következő Szkript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Előző Szkript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7295,6 +7356,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Sokszög Mozgatása"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Sokszög Mozgatása"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Sablon Eltávolítása"
 
@@ -7427,6 +7498,10 @@ msgid "Exporting All"
 msgstr "Exportálás"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10035,6 +10110,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10049,6 +10130,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10199,6 +10286,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Figyelem!"
@@ -10207,6 +10302,11 @@ msgstr "Figyelem!"
 msgid "Please Confirm..."
 msgstr "Kérem Erősítse Meg..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Ugrás a szülőmappába"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10285,6 +10385,10 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Kiválasztott Scene(k) példányosítása a kiválasztott Node gyermekeként."
+
 #, fuzzy
 #~ msgid "Font Size:"
 #~ msgstr "Körvonal Mérete:"
diff --git a/editor/translations/id.po b/editor/translations/id.po
index 08c16c0a34..a9346d9af1 100644
--- a/editor/translations/id.po
+++ b/editor/translations/id.po
@@ -22,8 +22,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-03-01 11:59+0000\n"
-"Last-Translator: Alphin Albukhari <alphinalbukhari5@gmail.com>\n"
+"PO-Revision-Date: 2019-03-08 15:04+0000\n"
+"Last-Translator: Evan Hyacinth <muhammad.ivan669@gmail.com>\n"
 "Language-Team: Indonesian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/id/>\n"
 "Language: id\n"
@@ -31,7 +31,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -100,14 +100,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Hapus Key Terpilih"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Tambahkan Sinyal"
+msgstr "Tambahkan Titik Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Hapus Sinyal"
+msgstr "Pindah Titik-titik Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -138,14 +136,13 @@ msgid "Anim Change Call"
 msgstr "Ubah Panggilan Anim"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Ubah Nama Animasi:"
+msgstr "Ubah Panjang Animasi"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "Ubah Perulangan Animasi"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
@@ -197,9 +194,8 @@ msgid "Anim Clips:"
 msgstr "Klip-klip Animasi:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Ubah Nilai Array"
+msgstr "Ubah Jalan Trek"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -226,9 +222,8 @@ msgid "Time (s): "
 msgstr "Waktu (d): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Aktifkan"
+msgstr "Aktifkan Trek Beralih"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -281,19 +276,16 @@ msgid "Delete Key(s)"
 msgstr "Hapus Key"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Ubah Nama Animasi:"
+msgstr "Ubah Mode Pembaruan Animasi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Mode Interpolasi"
+msgstr "Ubah Mode Interpolasi Animasi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Ubah Perulangan Animasi"
+msgstr "Ubah Mode Perulangan Animasi"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -338,14 +330,12 @@ msgid "Anim Insert Key"
 msgstr "Sisipkan Key Anim"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Ubah Nama Animasi:"
+msgstr "Ubah Langkah Animasi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Mengatur kembali Autoload-autoload"
+msgstr "Susun ulang Trek-trek"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -377,9 +367,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Tidak memungkinkan untuk menambah track baru tanpa akar"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Tambah Track"
+msgstr "Tambah Track Bezier"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -390,14 +379,12 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Track bukan tipe Spatial, tidak bisa menambahkan key"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Track Transformasi 3D"
+msgstr "Tambah Kunci Trek Transformasi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Tambah Track"
+msgstr "Tambah Kunci Track"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -405,9 +392,8 @@ msgstr ""
 "Tidak bisa menambahkan key untuk metode karena path pada track tidak sah."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Track Pemanggil Metode"
+msgstr "Tambah Kunci Track Metode"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -422,9 +408,8 @@ msgid "Clipboard is empty"
 msgstr "Papan klip kosong"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Paste Tracks"
-msgstr "Tempel Parameter"
+msgstr "Tempel Trek-trek"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Scale Keys"
@@ -461,14 +446,12 @@ msgid "Edit"
 msgstr "Sunting"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation properties."
-msgstr "PohonAnimasi"
+msgstr "Properti Animasi."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Copy Tracks"
-msgstr "Salin Parameter"
+msgstr "Salin Trek-trek"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale Selection"
@@ -487,19 +470,16 @@ msgid "Duplicate Transposed"
 msgstr "Duplikat Dialihkan"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Delete Selection"
-msgstr "Hapus yang Dipilih"
+msgstr "Hapus Pilihan"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Go to Next Step"
-msgstr "Lanjut ke Langkah Berikutnya"
+msgstr "Menuju Langkah Berikutnya"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Go to Previous Step"
-msgstr "Lanjut ke Langkah Sebelumnya"
+msgstr "Menuju Langkah Sebelumnya"
 
 #: editor/animation_track_editor.cpp
 msgid "Optimize Animation"
@@ -574,17 +554,16 @@ msgid "Copy"
 msgstr "Kopy"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Klip-klip Suara:"
+msgstr "Tambah Clip Trek Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Seimbangkan Awalan Klip Trek Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Seimbangkan Akhiran Klip Trek Audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -656,7 +635,7 @@ msgstr "Peringatan"
 
 #: editor/code_editor.cpp
 msgid "Line and column numbers."
-msgstr "Nomor Baris dan Kolom"
+msgstr "Nomor baris dan kolom."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -917,9 +896,8 @@ msgid "Error loading:"
 msgstr "Error saat memuat:"
 
 #: editor/dependency_editor.cpp
-#, fuzzy
 msgid "Load failed due to missing dependencies:"
-msgstr "Scene gagal dimuat disebabkan oleh dependensi yang hilang:"
+msgstr "Gagal dimuat disebabkan oleh dependensi yang hilang:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Open Anyway"
@@ -1070,7 +1048,6 @@ msgid "Uncompressing Assets"
 msgstr "Membuka Aset Terkompresi"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
-#, fuzzy
 msgid "Package installed successfully!"
 msgstr "Paket Sukses Terpasang!"
 
@@ -1178,7 +1155,6 @@ msgid "Master bus can't be deleted!"
 msgstr "Master Bus tidak dapat dihapus!"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Delete Audio Bus"
 msgstr "Hapus Bus Audio"
 
@@ -1219,9 +1195,8 @@ msgid "Add Bus"
 msgstr "Tambahkan Bus"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Add a new Audio Bus to this layout."
-msgstr "Simpan Layout Suara Bus Ke..."
+msgstr "Tambah Bus Audio baru ke layout ini."
 
 #: editor/editor_audio_buses.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
@@ -1392,30 +1367,52 @@ msgstr "Menyimpan File:"
 
 #: editor/editor_export.cpp
 msgid "No export template found at the expected path:"
-msgstr ""
+msgstr "Templat ekspor tidak ditemukan di tempat yg diharapkan:"
 
 #: editor/editor_export.cpp
 msgid "Packing"
 msgstr "Mengemas"
 
 #: editor/editor_export.cpp
+#, fuzzy
+msgid ""
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Platform target membutuhkan kompressi tekstur 'ETC' untuk GLES2. Aktifkan "
+"dukungan di Pengaturan Proyek."
+
+#: editor/editor_export.cpp
+#, fuzzy
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"Platform target membutuhkan kompressi tekstur 'ETC' untuk GLES2. Aktifkan "
+"dukungan di Pengaturan Proyek."
+
+#: editor/editor_export.cpp
+#, fuzzy
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"Platform target membutuhkan kompressi tekstur 'ETC' untuk GLES2. Aktifkan "
+"dukungan di Pengaturan Proyek."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Custom debug template not found."
-msgstr "Templat berkas tidak ditemukan:"
+msgstr "Debug template kustom tidak ditemukan."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
 msgid "Custom release template not found."
-msgstr ""
+msgstr "Templat rilis kustom tidak ditemukan."
 
 #: editor/editor_export.cpp platform/javascript/export/export.cpp
 msgid "Template file not found:"
@@ -1430,9 +1427,8 @@ msgid "File Exists, Overwrite?"
 msgstr "File telah ada, Overwrite?"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
-#, fuzzy
 msgid "Select This Folder"
-msgstr "Pilih Folder ini"
+msgstr "Pilih Folder Ini"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "Copy Path"
@@ -1444,7 +1440,6 @@ msgstr "Tampilkan di Pengelola Berkas"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Show in File Manager"
 msgstr "Tampilkan di Manajer Berkas"
 
@@ -1452,7 +1447,7 @@ msgstr "Tampilkan di Manajer Berkas"
 msgid "New Folder..."
 msgstr "Buat Direktori..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Segarkan"
 
@@ -1527,10 +1522,35 @@ msgstr "Pindahkan Favorit Keatas"
 msgid "Move Favorite Down"
 msgstr "Pindahkan Favorit Kebawah"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Tab sebelumnya"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Buat Folder"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Pergi ke direktori induk"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Tidak dapat membuat folder."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Tampilkan item sebagai grid thumbnail"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Tampilkan item sebagai daftar"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Direktori-direktori & File-file:"
@@ -1589,19 +1609,16 @@ msgid "Methods"
 msgstr "Fungsi"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Methods:"
-msgstr "Fungsi"
+msgstr "Metode-metode:"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Theme Properties"
-msgstr "Properti Objek"
+msgstr "Properti-properti Tema"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Theme Properties:"
-msgstr "Properti Objek"
+msgstr "Properti-properti Tema:"
 
 #: editor/editor_help.cpp modules/visual_script/visual_script_editor.cpp
 msgid "Signals:"
@@ -1628,14 +1645,12 @@ msgid "Constants:"
 msgstr "Konstanta:"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Class Description"
-msgstr "Deskripsi"
+msgstr "Deskripsi Kelas"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Class Description:"
-msgstr "Deskripsi:"
+msgstr "Deskripsi Kelas:"
 
 #: editor/editor_help.cpp
 msgid "Online Tutorials:"
@@ -1652,14 +1667,12 @@ msgstr ""
 "$url2]memberikan usulan[/url][/color]."
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Property Descriptions"
-msgstr "Deskripsi Properti Objek:"
+msgstr "Deskripsi Properti"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Property Descriptions:"
-msgstr "Deskripsi Properti Objek:"
+msgstr "Deskripsi Properti:"
 
 #: editor/editor_help.cpp
 msgid ""
@@ -1670,12 +1683,10 @@ msgstr ""
 "dengan[color=$color][url=$url]kontribusi[/url][/color]!"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Method Descriptions"
-msgstr "Deskripsi Metode:"
+msgstr "Deskripsi Metode"
 
 #: editor/editor_help.cpp
-#, fuzzy
 msgid "Method Descriptions:"
 msgstr "Deskripsi Metode:"
 
@@ -1693,24 +1704,20 @@ msgid "Search Help"
 msgstr "Mencari Bantuan"
 
 #: editor/editor_help_search.cpp
-#, fuzzy
 msgid "Display All"
-msgstr "Ganti Semua"
+msgstr "Tampilkan Semua"
 
 #: editor/editor_help_search.cpp
-#, fuzzy
 msgid "Classes Only"
-msgstr "Kelas"
+msgstr "Hanya Kelas"
 
 #: editor/editor_help_search.cpp
-#, fuzzy
 msgid "Methods Only"
-msgstr "Fungsi"
+msgstr "Hanya Fungsi"
 
 #: editor/editor_help_search.cpp
-#, fuzzy
 msgid "Signals Only"
-msgstr "Sinyal-sinyal"
+msgstr "Hanya Sinyal"
 
 #: editor/editor_help_search.cpp
 msgid "Constants Only"
@@ -1766,9 +1773,9 @@ msgstr "Bersihkan Luaran"
 msgid "Project export failed with error code %d."
 msgstr "Ekspor proyek gagal dengan kode kesalahan% d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Error menyimpan resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1776,6 +1783,16 @@ msgid "OK"
 msgstr "Oke"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Error menyimpan resource!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Simpan Resource Sebagai..."
 
@@ -1998,13 +2015,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Simpan perubahan '%s' sebelum tutup?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Gagal memuat resource."
+msgstr "Tersimpan %s resource berubah."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Node akar diperlukan untuk menyimpan scene."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2114,12 +2130,12 @@ msgid "Unable to load addon script from path: '%s'."
 msgstr "Tidak bisa memuat script addon dari lokasi: '%s'."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid ""
 "Unable to load addon script from path: '%s' There seems to be an error in "
 "the code, please check the syntax."
 msgstr ""
-"Tidak dapat memuat addon script dari jalur: '%s' Script tidak pada mode tool."
+"Tidak dapat memuat script addon dari path: '%s' Mungkin ada kesalahan dalam "
+"kode, mohon periksa sintaks."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2172,19 +2188,16 @@ msgstr "Bawaan"
 
 #: editor/editor_node.cpp editor/editor_properties.cpp
 #: editor/plugins/script_editor_plugin.cpp editor/property_editor.cpp
-#, fuzzy
 msgid "Show in FileSystem"
-msgstr "Tampilkan dalam Manajer Berkas"
+msgstr "Tampilkan dalam FileSystem"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Play This Scene"
-msgstr "Mainkan Scene"
+msgstr "Mainkan Scene Ini"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Close Tab"
-msgstr "Tutup"
+msgstr "Tutup Tab"
 
 #: editor/editor_node.cpp
 msgid "Switch Scene Tab"
@@ -2211,9 +2224,8 @@ msgid "Distraction Free Mode"
 msgstr "Mode Tanpa Gangguan"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Toggle distraction-free mode."
-msgstr "Mode Tanpa Gangguan"
+msgstr "Toggle mode tanpa gangguan."
 
 #: editor/editor_node.cpp
 msgid "Add a new scene."
@@ -2260,9 +2272,8 @@ msgid "Save Scene"
 msgstr "Simpan Scene"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Save All Scenes"
-msgstr "Simpan semua Scene"
+msgstr "Simpan Semua Scene"
 
 #: editor/editor_node.cpp
 msgid "Close Scene"
@@ -2316,7 +2327,7 @@ msgstr "Ekspor"
 
 #: editor/editor_node.cpp editor/plugins/tile_set_editor_plugin.cpp
 msgid "Tools"
-msgstr "Alat"
+msgstr "Alat-alat"
 
 #: editor/editor_node.cpp
 #, fuzzy
@@ -2346,7 +2357,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Small Deploy with Network FS"
-msgstr "Deploy kecil dengan jaringan FS"
+msgstr "Deploy Kecil dengan Jaringan FS"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2365,7 +2376,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Visible Collision Shapes"
-msgstr "Collision Shapes terlihat"
+msgstr "Collision Shapes Terlihat"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2377,7 +2388,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Visible Navigation"
-msgstr "Navigasi terlihat"
+msgstr "Navigasi Terlihat"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2389,7 +2400,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Sync Scene Changes"
-msgstr "Sinkronasi Perubahan Scene"
+msgstr "Sinkronkan Perubahan Scene"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2405,7 +2416,7 @@ msgstr ""
 
 #: editor/editor_node.cpp
 msgid "Sync Script Changes"
-msgstr "Sinkronasi Perubahan Script"
+msgstr "Sinkronkan Perubahan Script"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2648,7 +2659,7 @@ msgstr "Buat Pratinjau Mesh"
 
 #: editor/editor_plugin.cpp
 msgid "Thumbnail..."
-msgstr "Thumbnail..."
+msgstr "Gambar Kecil..."
 
 #: editor/editor_plugin_settings.cpp
 #, fuzzy
@@ -2782,6 +2793,10 @@ msgid ""
 "Please switch on the 'local to scene' property on it (and all resources "
 "containing it up to a node)."
 msgstr ""
+"Tidak dapat membuat ViewportTexture karena resource ini tidak dibuat lokal "
+"untuk scene.\n"
+"Mohon ubah properti 'lokal untuk scene' resource ini (dan semua resource "
+"yang memuatnya sampai satu node ke atas)."
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Pick a Viewport"
@@ -3116,16 +3131,6 @@ msgstr ""
 "'%s' tidak bisa ditelusuri karena tidak bisa ditemukan dalam berkas sistem!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Tampilkan item sebagai grid thumbnail"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Tampilkan item sebagai daftar"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Status: Gagal mengimpor berkas. Mohon perbaiki berkas dan impor ulang secara "
@@ -3189,7 +3194,7 @@ msgstr "Buka Scene"
 
 #: editor/filesystem_dock.cpp
 msgid "Instance"
-msgstr "Instance"
+msgstr "Instansi"
 
 #: editor/filesystem_dock.cpp
 #, fuzzy
@@ -3271,10 +3276,6 @@ msgid "Search files"
 msgstr "Cari Kelas"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instance scene terpilih sebagai anak node saat ini."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3369,7 +3370,7 @@ msgstr "Nama tidak sah."
 
 #: editor/groups_editor.cpp editor/node_dock.cpp
 msgid "Groups"
-msgstr "Grup"
+msgstr "Kelompok"
 
 #: editor/groups_editor.cpp
 #, fuzzy
@@ -3454,7 +3455,7 @@ msgstr "Membuat Pemetaan Cahaya"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Generating for Mesh: "
-msgstr "Menghasilkan untuk Mesh:"
+msgstr "Menghasilkan untuk Mesh: "
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Running Custom Script..."
@@ -3502,7 +3503,7 @@ msgstr "Impor ulang"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
-msgstr ""
+msgstr "Simpan scene-scene, impor ulang dan mulai ulang"
 
 #: editor/import_dock.cpp
 #, fuzzy
@@ -3513,6 +3514,8 @@ msgstr "Mengubah driver video harus memulai ulang editor."
 msgid ""
 "WARNING: Assets exist that use this resource, they may stop loading properly."
 msgstr ""
+"PERINGATAN: Ada aset-aset yang menggunakan resource ini, mereka mungkin akan "
+"berhenti untuk termuat secara sempurna."
 
 #: editor/inspector_dock.cpp
 msgid "Failed to load resource."
@@ -3746,7 +3749,7 @@ msgstr "Hapus Bidang dan Titik"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Pindahkan Titik Node BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3846,7 +3849,7 @@ msgstr "Buat segi tiga pembauran secara otomatis (sebagai ganti cara manual)"
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend:"
-msgstr ""
+msgstr "Campur:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -3861,7 +3864,7 @@ msgstr "Sunting Filter"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Output node can't be added to the blend tree."
-msgstr ""
+msgstr "Node keluaran tidak bisa ditambahkan ke pohon campur."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -4120,11 +4123,11 @@ msgstr "Tempel"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Future"
-msgstr ""
+msgstr "Masa depan"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Depth"
-msgstr ""
+msgstr "Kedalaman"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "1 step"
@@ -4238,7 +4241,7 @@ msgstr "Node Transisi"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Tetapkan Node Awalan (Mulai sendiri)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4379,19 +4382,19 @@ msgstr "Node sekali tembak"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Mix Node"
-msgstr ""
+msgstr "Aduk Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend2 Node"
-msgstr ""
+msgstr "Campur 2 Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend3 Node"
-msgstr ""
+msgstr "Campur 3 Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Blend4 Node"
-msgstr ""
+msgstr "Campur 4 Node"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "TimeScale Node"
@@ -4583,10 +4586,12 @@ msgid ""
 "No meshes to bake. Make sure they contain an UV2 channel and that the 'Bake "
 "Light' flag is on."
 msgstr ""
+"Tidak ada mesh-mesh untuk di bake. Pastikan mereka punya kanal UV2 dan 'Bake "
+"Cahaya' menyala."
 
 #: editor/plugins/baked_lightmap_editor_plugin.cpp
 msgid "Failed creating lightmap images, make sure path is writable."
-msgstr ""
+msgstr "Gagal membuat gambar lightmap, pastikan path dapat ditulis."
 
 #: editor/plugins/baked_lightmap_editor_plugin.cpp
 #, fuzzy
@@ -4604,23 +4609,23 @@ msgstr "Atur Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Grid Offset:"
-msgstr ""
+msgstr "Offset Kotak-kotak:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Grid Step:"
-msgstr ""
+msgstr "Jangkah Kotak-kotak:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Rotation Offset:"
-msgstr ""
+msgstr "Offset Perputaran:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Rotation Step:"
-msgstr ""
+msgstr "Jangkah Perputaran:"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Move vertical guide"
-msgstr ""
+msgstr "Pindahkan garis-bantu vertikal"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4634,7 +4639,7 @@ msgstr "Hapus Variabel"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Move horizontal guide"
-msgstr ""
+msgstr "Pindahkan garis-bantu horisontal"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4648,7 +4653,7 @@ msgstr "Hapus Tombol-tombol yang tidak sah"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Create new horizontal and vertical guides"
-msgstr ""
+msgstr "Buat garis-bantu vertikal dan horisontal baru"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4662,7 +4667,7 @@ msgstr "Sunting CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Move anchor"
-msgstr ""
+msgstr "Pindahkan jangkar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4681,35 +4686,39 @@ msgstr "Sunting CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
-msgstr ""
+msgstr "Preset-preset untuk nilai jangkar dan pinggiran node Control."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid ""
 "Children of containers have their anchors and margins values overridden by "
 "their parent."
 msgstr ""
+"Nilai jangkar dan pinggiran milik anak dari sebuah kontainer akan di timpa "
+"dengan milik orang-tua nya."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Anchors only"
-msgstr ""
+msgstr "Hanya jangkar-jangkar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Change Anchors and Margins"
-msgstr ""
+msgstr "Ubah jangkar-jangkar dan pinggiran"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Change Anchors"
-msgstr ""
+msgstr "Ubah Jangkar-jangkar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Paste Pose"
-msgstr ""
+msgstr "Tempel Pose"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid ""
 "Warning: Children of a container get their position and size determined only "
 "by their parent."
 msgstr ""
+"Peringatan: Posisi milik anak dari sebuah kontainer ditentukan oleh orang-"
+"tua nya."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
@@ -4720,31 +4729,32 @@ msgstr "Perkecil Pandangan"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Select Mode"
-msgstr ""
+msgstr "Mode Seleksi"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Drag: Rotate"
-msgstr ""
+msgstr "Geser: Putar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Alt+Drag: Move"
-msgstr ""
+msgstr "Alt+Geser: Pindah"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Press 'v' to Change Pivot, 'Shift+v' to Drag Pivot (while moving)."
 msgstr ""
+"Tekan 'v' untuk Ganti Pivot, 'Shift+v' untuk Geser Pivot (ketika bergerak)."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Alt+RMB: Depth list selection"
-msgstr ""
+msgstr "Alt+Klik kanan: Daftar seleksi kedalaman"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Move Mode"
-msgstr ""
+msgstr "Mode Pindah"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Rotate Mode"
-msgstr ""
+msgstr "Mode Putar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4757,14 +4767,16 @@ msgid ""
 "Show a list of all objects at the position clicked\n"
 "(same as Alt+RMB in select mode)."
 msgstr ""
+"Tampilkan semua objek dalam posisi klik ke sebuah daftar\n"
+"(sama seperti Alt+Klik kanan dalam mode seleksi)."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Click to change object's rotation pivot."
-msgstr ""
+msgstr "Klik untuk mengubah pivot perputaran objek."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Pan Mode"
-msgstr ""
+msgstr "Mode Geser Pandangan"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4773,78 +4785,78 @@ msgstr "Beralih Breakpoint"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Use Snap"
-msgstr ""
+msgstr "Gunakan Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snapping Options"
-msgstr ""
+msgstr "Opsi-opsi Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to grid"
-msgstr ""
+msgstr "Snap ke kotak-kotak"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Use Rotation Snap"
-msgstr ""
+msgstr "Gunakan Snap Rotasi"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Configure Snap..."
-msgstr ""
+msgstr "Atur Snap..."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap Relative"
-msgstr ""
+msgstr "Snap Relatif"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Use Pixel Snap"
-msgstr ""
+msgstr "Gunakan Snap Piksel"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Smart snapping"
-msgstr ""
+msgstr "Snap pintar"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to parent"
-msgstr ""
+msgstr "Snap ke orang-tua"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to node anchor"
-msgstr ""
+msgstr "Snap ke jangkar node"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to node sides"
-msgstr ""
+msgstr "Snap ke sisi-sisi node"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to node center"
-msgstr ""
+msgstr "Snap ke tengah node"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to other nodes"
-msgstr ""
+msgstr "Snape ke node-node lain"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to guides"
-msgstr ""
+msgstr "Snape ke garis-bantu"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Lock the selected object in place (can't be moved)."
-msgstr ""
+msgstr "Kunci objek terpilih di tempat (tidak dapat di pindah)."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Unlock the selected object (can be moved)."
-msgstr ""
+msgstr "Buka kunci objek terpilih (dapat di pindah)."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Makes sure the object's children are not selectable."
-msgstr ""
+msgstr "Pastikan anak-anak objek tidak dapat diseleksi."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Restores the object's children's ability to be selected."
-msgstr ""
+msgstr "Jadikan anak-anak object dapat di seleksi kembali."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4853,19 +4865,19 @@ msgstr "Singleton"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Bones"
-msgstr ""
+msgstr "Tampilkan Tulang-tulang"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Make IK Chain"
-msgstr ""
+msgstr "Buat Rantai IK"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Clear IK Chain"
-msgstr ""
+msgstr "Bersihkan Rantai IK"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Make Custom Bone(s) from Node(s)"
-msgstr ""
+msgstr "Buat Tulang Kustom(satu/lebih)  dari Node(satu/lebih)"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4875,36 +4887,36 @@ msgstr "Mainkan Custom Scene"
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View"
-msgstr ""
+msgstr "Pandangan"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Show Grid"
-msgstr ""
+msgstr "Tampilkan Kotak-kotak"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Helpers"
-msgstr ""
+msgstr "Tampilkan Bantuan-bantuan"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Rulers"
-msgstr ""
+msgstr "Tampilkan Penggaris-penggaris"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Guides"
-msgstr ""
+msgstr "Tampilkan Garis-bantu"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Origin"
-msgstr ""
+msgstr "Tampilkan Pangkal"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Viewport"
-msgstr ""
+msgstr "Tampilkan Viewport"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Group And Lock Icons"
-msgstr ""
+msgstr "Tampilkan Ikon Kunci Dan Grup"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Center Selection"
@@ -5347,6 +5359,10 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
@@ -5359,10 +5375,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr ""
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr ""
 
@@ -5451,11 +5463,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6077,6 +6089,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7185,6 +7205,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Tab sebelumnya"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7341,6 +7378,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Buat Bidang"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Hapus Templat"
@@ -7477,6 +7523,11 @@ msgid "Exporting All"
 msgstr "Mengekspor untuk %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "File tidak ada."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10231,6 +10282,12 @@ msgstr ""
 "Sebuah bentuk harus disediakan untuk CollisionShape untuk fungsi. Mohon "
 "ciptakan sebuah resource bentuk untuk itu!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10245,6 +10302,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10407,6 +10470,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Tambahkan warna yang sekarang sebagai preset"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Peringatan!"
@@ -10415,6 +10486,11 @@ msgstr "Peringatan!"
 msgid "Please Confirm..."
 msgstr "Mohon konfirmasi..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Pergi ke direktori induk"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10500,6 +10576,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Instance scene terpilih sebagai anak node saat ini."
+
 #~ msgid "Warnings:"
 #~ msgstr "Peringatan:"
 
diff --git a/editor/translations/is.po b/editor/translations/is.po
index 01875778cf..644f19939b 100644
--- a/editor/translations/is.po
+++ b/editor/translations/is.po
@@ -1361,8 +1361,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1411,7 +1425,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1486,10 +1500,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1705,8 +1739,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1715,6 +1749,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2950,14 +2994,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3094,10 +3130,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5037,19 +5069,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5140,11 +5172,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5728,6 +5760,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6785,6 +6825,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6930,6 +6986,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Fjarlægja val"
@@ -7049,6 +7113,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9606,6 +9674,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9620,6 +9694,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9763,6 +9843,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9771,6 +9859,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/it.po b/editor/translations/it.po
index a859a8b3be..45ebfd0b3c 100644
--- a/editor/translations/it.po
+++ b/editor/translations/it.po
@@ -8,17 +8,17 @@
 # dariocavada <cavada@ectrlsolutions.com>, 2017.
 # Elia Zanaboni <elia.zanaboni@gmail.com>, 2017.
 # Giovanni Solimeno (Crax97) <gsolimeno97@gmail.com>, 2017.
-# Marco Melorio <m.melorio@icloud.com>, 2017.
+# Marco Melorio <m.melorio@icloud.com>, 2017, 2019.
 # Matteo <matteo.guglielmetti@hotmail.it>, 2018.
 # Myself <whatamidoing.wt@gmail.com>, 2017-2018.
 # RealAquilus <JamesHeller@live.it>, 2017.
 # Samuele Zolfanelli <samdazel@gmail.com>, 2018, 2019.
 # Sean Bone <seanbone@zumguy.com>, 2017.
 # Red Pill <redpill902@gmail.com>, 2018.
-# iRadEntertainment <devitadario@gmail.com>, 2018.
+# iRadEntertainment <devitadario@gmail.com>, 2018, 2019.
 # ondsinet _ (nik man) <nikman00@gmail.com>, 2018.
 # Ste d f <sdfilippo84@gmail.com>, 2018.
-# Salvo Permiracolo <salvoperm@gmail.com>, 2018.
+# Salvo Permiracolo <salvoperm@gmail.com>, 2018, 2019.
 # Giovanni Tommasi <tommasig@gmail.com>, 2018.
 # xxssmaoxx <simon.dottor@gmail.com>, 2018.
 # Nicola Gramola <nicola.gramola@gmail.com>, 2018.
@@ -28,12 +28,17 @@
 # Christian Biffi <creixx@virgilio.it>, 2019.
 # Giuseppe Guerra <me@nyodev.xyz>, 2019.
 # RHC <rhc.throwaway@gmail.com>, 2019.
+# Antonio Giungato <antonio.giungato@gmail.com>, 2019.
+# Marco Galli <mrcgll98@gmail.com>, 2019.
+# MassiminoilTrace <omino.gis@gmail.com>, 2019.
+# MARCO BANFI <mbanfi@gmail.com>, 2019.
+# Marco <rodomar705@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-18 08:54+0000\n"
-"Last-Translator: RHC <rhc.throwaway@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: MassiminoilTrace <omino.gis@gmail.com>\n"
 "Language-Team: Italian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/it/>\n"
 "Language: it\n"
@@ -41,20 +46,20 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
 msgid "Invalid type argument to convert(), use TYPE_* constants."
-msgstr "Argomento tipo invalido per convert(), usare le costanti TYPE_*."
+msgstr "Argomento non valido per convert(), usare le costanti TYPE_*."
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/mono/glue/gd_glue.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
 msgid "Not enough bytes for decoding bytes, or invalid format."
 msgstr ""
-"Non vi sono abbastanza bytes per i bytes di decodifica, oppure formato "
-"invalido."
+"Non vi sono abbastanza byte per i byte di decodifica, oppure il formato non "
+"è valido."
 
 #: core/math/expression.cpp
 msgid "Invalid input %i (not passed) in expression"
@@ -65,22 +70,20 @@ msgid "self can't be used because instance is null (not passed)"
 msgstr "self non può essere usato perché l'istanza è nulla (non passata)"
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid operands to operator %s, %s and %s."
-msgstr "Utilizzo errato dell'operatore %s, operandi %s e %s non validi."
+msgstr "Operandi non validi per l'operatore %s, %s e %s."
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid index of type %s for base type %s"
-msgstr "Nome proprietà indice invalido '%s' nel nodo %s."
+msgstr "Indice del tipo %s non valido per il tipo base %s"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
-msgstr "Indice nominale '%s' invalido per il tipo base %s"
+msgstr "Nome indice '%s' non valido per il tipo base %s"
 
 #: core/math/expression.cpp
 msgid "Invalid arguments to construct '%s'"
-msgstr "Argomento invalido di tipo '%s"
+msgstr "Argomenti non validi per il costrutto '%s'"
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
@@ -89,7 +92,7 @@ msgstr "Alla chiamata di '%s':"
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr "Gratuito"
+msgstr "Libero"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
@@ -97,11 +100,11 @@ msgstr "Bilanciato"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Mirror"
-msgstr "Specchia"
+msgstr "Rifletti"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
-msgstr "Inserisci la chiave qui"
+msgstr "Inserisci chiave"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Duplicate Selected Key(s)"
@@ -109,83 +112,77 @@ msgstr "Duplicare la(e) chiave selezionata(e)"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Delete Selected Key(s)"
-msgstr "Eliminare la(e) Chiave(i) Selezionata(e)"
+msgstr "Eliminare la(e) chiave(i) selezionata(e)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Aggiungi punto"
+msgstr "Aggiungi punto Bézier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Sposta Punto"
+msgstr "Sposta punto Bézier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
-msgstr "Duplica Key Animazione"
+msgstr "Duplica chiavi d'animazione"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Delete Keys"
-msgstr "Anim Elimina Key"
+msgstr "Elimina chiavi d'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Keyframe Time"
-msgstr "Anim Cambia Tempo di Keyframe"
+msgstr "Cambia istante della chiave d'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transition"
-msgstr "Anim Cambia Transizione"
+msgstr "Cambia transizione dell'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transform"
-msgstr "Anim Cambia Trasformazione"
+msgstr "Cambia trasformazione dell'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Keyframe Value"
-msgstr "Anim Cambia Valore Keyframe"
+msgstr "Cambia valore fotogramma chiave dell'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Call"
-msgstr "Anim Cambia Chiamata"
+msgstr "Cambia chiamata animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Cambia Loop Animazione"
+msgstr "Cambia lunghezza dell'animazione"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr "Cambia Loop Animazione"
+msgstr "Modifica ciclicità animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Property Track"
-msgstr "Proprietà:"
+msgstr "Proprietà Traccia"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "3D Transform Track"
-msgstr "Trasformazione 3D"
+msgstr "Traccia trasformazione 3D"
 
 #: editor/animation_track_editor.cpp
+#, fuzzy
 msgid "Call Method Track"
-msgstr ""
+msgstr "Traccia Chiamata di Funzione"
 
 #: editor/animation_track_editor.cpp
 msgid "Bezier Curve Track"
-msgstr "Traccia Curva di Bezier"
+msgstr "Traccia curva di Bézier"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Audio Playback Track"
-msgstr "Traccia di Riproduzione Audio"
+msgstr "Traccia Riproduzione Audio"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Playback Track"
-msgstr "Ferma il playback dell'animazione. (S)"
+msgstr "Traccia di riproduzione animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Add Track"
@@ -193,11 +190,11 @@ msgstr "Aggiungi Traccia"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Length Time (seconds)"
-msgstr "Durata animazione (in secondi)"
+msgstr "Durata Animazione (in secondi)"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Looping"
-msgstr "Ripeti Animazione"
+msgstr "Ciclicità animazione"
 
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -205,37 +202,32 @@ msgid "Functions:"
 msgstr "Funzioni:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Audio Clips:"
-msgstr "Audio Listener"
+msgstr "Clip Audio:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Anim Clips:"
-msgstr "Clips"
+msgstr "Clip Anim:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Cambia Valore Array"
+msgstr "Cambia percorso traccia"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
-msgstr "Attiva/Disattiva la traccia."
+msgstr "Attiva/disattiva la traccia."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Update Mode (How this property is set)"
-msgstr "Modalità di Aggiornamento (come viene impostata questa proprietà)"
+msgstr "Modalità di aggiornamento (Come viene impostata questa proprietà)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Interpolation Mode"
-msgstr "Nodo Animazione"
+msgstr "Modalità di Interpolazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
-msgstr ""
+msgstr "Modalità Loop Wrap (Interpola la fine con l'inizio del loop)"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove this track."
@@ -246,9 +238,8 @@ msgid "Time (s): "
 msgstr "Tempo (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Abilita Doppler"
+msgstr "Abilita/disabilita tracce"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -267,7 +258,6 @@ msgid "Capture"
 msgstr "Cattura"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Nearest"
 msgstr "Più vicino"
 
@@ -281,55 +271,49 @@ msgid "Cubic"
 msgstr "Cubico"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Clamp Loop Interp"
-msgstr "Cambia Interpolazione Loop Animazione"
+msgstr "Blocca interpolazione ciclo"
 
 #: editor/animation_track_editor.cpp
 msgid "Wrap Loop Interp"
-msgstr ""
+msgstr "Continua interpolazione ciclo"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key"
-msgstr "Inserisci Key"
+msgstr "Inserisci chiave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Duplicate Key(s)"
-msgstr "Duplica Nodo(i)"
+msgstr "Duplica chiave(i)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Delete Key(s)"
-msgstr "Elimina Nodo(i)"
+msgstr "Elimina chiave(i)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Cambia Nome Animazione:"
+msgstr "Cambia modalità di aggiornamento animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Nodo Animazione"
+msgstr "Cambia modalità di interpolazione animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Cambia Loop Animazione"
+msgstr "Cambia modalità di ciclo animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
-msgstr "Rimuovi Traccia Animazione"
+msgstr "Rimuovi traccia animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Create NEW track for %s and insert key?"
-msgstr "Crea NUOVA traccia per %s e inserire key?"
+msgstr "Crea NUOVA traccia per %s e inserire la chiave?"
 
 #: editor/animation_track_editor.cpp
 msgid "Create %d NEW tracks and insert keys?"
-msgstr "Creare %d NUOVE tracce e inserire key?"
+msgstr "Creare %d NUOVE tracce e inserire la chiave?"
 
 #: editor/animation_track_editor.cpp editor/create_dialog.cpp
 #: editor/editor_audio_buses.cpp editor/editor_plugin_settings.cpp
@@ -342,37 +326,35 @@ msgstr "Crea"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert"
-msgstr "Anim Inserisci"
+msgstr "Inserisci Animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "AnimationPlayer can't animate itself, only other players."
-msgstr ""
+msgstr "AnimationPlayer non può animare se stesso, solo altri nodi."
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Create & Insert"
-msgstr "Anim Crea e Inserisci"
+msgstr "Crea e inserisci un'animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Track & Key"
-msgstr "Anim Inserisci Traccia e Key"
+msgstr "Inserisci traccia e chiave animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Key"
-msgstr "Anim Inserisci Key"
+msgstr "Inserisci una chiave d'animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Cambia FPS ANimazione"
+msgstr "Cambia passo animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Riordina gli Autoload"
+msgstr "Riordina tracce"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
-msgstr ""
+msgstr "Le tracce Transform si applicano solo a nodi di tipo Spatial."
 
 #: editor/animation_track_editor.cpp
 msgid ""
@@ -388,95 +370,88 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Animation tracks can only point to AnimationPlayer nodes."
-msgstr ""
+msgstr "Le tracce Animation possono puntare solo a nodi AnimationPlayer."
 
 #: editor/animation_track_editor.cpp
 msgid "An animation player can't animate itself, only other players."
-msgstr ""
+msgstr "Un AnimationPlayer non può animare se stesso, solo altri oggetti."
 
 #: editor/animation_track_editor.cpp
 msgid "Not possible to add a new track without a root"
-msgstr ""
+msgstr "Non è possibile aggiungere una nuova traccia senza un nodo root"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Aggiungi Traccia"
+msgstr "Aggiungi traccia Bézier"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Track path is invalid, so can't add a key."
 msgstr "Il tracciato non è valido, non è possibile aggiungere una chiave."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Track is not of type Spatial, can't insert key"
-msgstr "La traccia non è di tipo Spatial, impossibile aggiungere la chiave."
+msgstr "La traccia non è di tipo Spatial, impossibile aggiungere la chiave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Trasformazione 3D"
+msgstr "Aggiungi chiave traccia Transform"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Aggiungi Traccia"
+msgstr "Aggiungi chiave traccia"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr ""
+"Il tracciato non è valido, non è possibile aggiungere una chiave di chiamata "
+"di funzione."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Anim Inserisci Traccia e Key"
+msgstr "Aggiungi chiave alla traccia metodo"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Method not found in object: "
 msgstr "Metodo non trovato nell'oggetto: "
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Move Keys"
-msgstr "Anim Sposta Key"
+msgstr "Sposta chiavi animazione"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Clipboard is empty"
 msgstr "Gli appunti sono vuoti"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Paste Tracks"
-msgstr "Incolla Parametri"
+msgstr "Incolla tracce"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Scale Keys"
-msgstr "Anim Scala Key"
+msgstr "Scala chiavi animazione"
 
 #: editor/animation_track_editor.cpp
 msgid ""
 "This option does not work for Bezier editing, as it's only a single track."
 msgstr ""
+"Questa opzione non funziona per modificare curve di Bézier, dato che si "
+"tratta di una traccia singola."
 
 #: editor/animation_track_editor.cpp
 msgid "Only show tracks from nodes selected in tree."
-msgstr ""
+msgstr "Mostra solo le tracce dei nodi selezionati nell'albero."
 
 #: editor/animation_track_editor.cpp
 msgid "Group tracks by node or display them as plain list."
-msgstr ""
+msgstr "Raggruppa le tracce per nodo o mostra una lista semplice."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Snap (s): "
-msgstr "Snap (Pixels):"
+msgstr "Snap (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation step value."
-msgstr "Animation tree valido."
+msgstr "Valore del passo dell'animazione."
 
 #: editor/animation_track_editor.cpp editor/editor_properties.cpp
 #: editor/plugins/polygon_2d_editor_plugin.cpp
@@ -492,25 +467,24 @@ msgid "Animation properties."
 msgstr "Proprietà animazione."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Copy Tracks"
-msgstr "Copia parametri"
+msgstr "Copia tracce"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale Selection"
-msgstr "Scala Selezione"
+msgstr "Scala selezione"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale From Cursor"
-msgstr "Scala da Cursore"
+msgstr "Scala da cursore"
 
 #: editor/animation_track_editor.cpp modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Duplicate Selection"
-msgstr "Duplica Selezione"
+msgstr "Duplica selezione"
 
 #: editor/animation_track_editor.cpp
 msgid "Duplicate Transposed"
-msgstr "Duplica Transposto"
+msgstr "Duplica trasposto"
 
 #: editor/animation_track_editor.cpp
 msgid "Delete Selection"
@@ -518,43 +492,43 @@ msgstr "Elimina la selezione"
 
 #: editor/animation_track_editor.cpp
 msgid "Go to Next Step"
-msgstr "Vai allo Step Successivo"
+msgstr "Va' al passo successivo"
 
 #: editor/animation_track_editor.cpp
 msgid "Go to Previous Step"
-msgstr "Vai allo Step Precedente"
+msgstr "Va' al passo precedente"
 
 #: editor/animation_track_editor.cpp
 msgid "Optimize Animation"
-msgstr "Ottimizza Animazione"
+msgstr "Ottimizza animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Clean-Up Animation"
-msgstr "Pulisci Animazione"
+msgstr "Pulisci animazione"
 
 #: editor/animation_track_editor.cpp
 msgid "Pick the node that will be animated:"
-msgstr ""
+msgstr "Seleziona il nodo che verrà animato:"
 
 #: editor/animation_track_editor.cpp
 msgid "Use Bezier Curves"
-msgstr ""
+msgstr "Usa curve di Bézier"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim. Optimizer"
-msgstr "Ottimizzatore Anim."
+msgstr "Ottimizzatore anim."
 
 #: editor/animation_track_editor.cpp
 msgid "Max. Linear Error:"
-msgstr "Max. Errore Lineare:"
+msgstr "Max. errore lineare:"
 
 #: editor/animation_track_editor.cpp
 msgid "Max. Angular Error:"
-msgstr "Max. Errore Angolare:"
+msgstr "Max. errore angolare:"
 
 #: editor/animation_track_editor.cpp
 msgid "Max Optimizable Angle:"
-msgstr "Max. Angolo Ottimizzabile:"
+msgstr "Max. angolo ottimizzabile:"
 
 #: editor/animation_track_editor.cpp
 msgid "Optimize"
@@ -562,11 +536,11 @@ msgstr "Ottimizza"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove invalid keys"
-msgstr "Rimuovi key invalidi"
+msgstr "Rimuovi chiavi non valide"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove unresolved and empty tracks"
-msgstr "Rimuovi tracce Irrisolte e vuote"
+msgstr "Rimuovi tracce irrisolte e vuote"
 
 #: editor/animation_track_editor.cpp
 msgid "Clean-up all animations"
@@ -574,7 +548,7 @@ msgstr "Pulisci tutte le animazioni"
 
 #: editor/animation_track_editor.cpp
 msgid "Clean-Up Animation(s) (NO UNDO!)"
-msgstr "Pulisci Animazione(i) (NO UNDO!)"
+msgstr "Pulisci animazione(i) (NON ANNULLABILE!)"
 
 #: editor/animation_track_editor.cpp
 msgid "Clean-Up"
@@ -582,11 +556,11 @@ msgstr "Pulisci"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale Ratio:"
-msgstr "Ratio di scalatura:"
+msgstr "Fattore di scalatura:"
 
 #: editor/animation_track_editor.cpp
 msgid "Select tracks to copy:"
-msgstr ""
+msgstr "Seleziona le tracce da copiare:"
 
 #: editor/animation_track_editor.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp
@@ -597,41 +571,40 @@ msgid "Copy"
 msgstr "Copia"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Audio Listener"
+msgstr "Aggiungi traccia clip audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Cambia Offset di Inizio della Clip della Traccia Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Cambia offset di fine della clip della traccia audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
-msgstr "Ridimensiona Array"
+msgstr "Ridimensiona array"
 
 #: editor/array_property_edit.cpp
 msgid "Change Array Value Type"
-msgstr "Cambia Tipo del Valore Array"
+msgstr "Cambia tipo del valore dell'array"
 
 #: editor/array_property_edit.cpp
 msgid "Change Array Value"
-msgstr "Cambia Valore Array"
+msgstr "Cambia valore array"
 
 #: editor/code_editor.cpp
 msgid "Go to Line"
-msgstr "Vai alla Linea"
+msgstr "Va' alla linea"
 
 #: editor/code_editor.cpp
 msgid "Line Number:"
-msgstr "Numero Linea:"
+msgstr "Numero linea:"
 
 #: editor/code_editor.cpp editor/editor_help.cpp
 msgid "No Matches"
-msgstr "Nessuna Corrispondenza"
+msgstr "Nessuna corrispondenza"
 
 #: editor/code_editor.cpp
 msgid "Replaced %d occurrence(s)."
@@ -639,11 +612,11 @@ msgstr "Rimpiazzate %d occorrenze."
 
 #: editor/code_editor.cpp editor/find_in_files.cpp
 msgid "Match Case"
-msgstr "Controlla Maiuscole"
+msgstr "Distingui maiuscole"
 
 #: editor/code_editor.cpp editor/find_in_files.cpp
 msgid "Whole Words"
-msgstr "Parole Intere"
+msgstr "Parole intere"
 
 #: editor/code_editor.cpp editor/rename_dialog.cpp
 msgid "Replace"
@@ -651,40 +624,39 @@ msgstr "Rimpiazza"
 
 #: editor/code_editor.cpp
 msgid "Replace All"
-msgstr "Rimpiazza Tutti"
+msgstr "Rimpiazza tutti"
 
 #: editor/code_editor.cpp
 msgid "Selection Only"
-msgstr "Solo Selezione"
+msgstr "Solo selezione"
 
 #: editor/code_editor.cpp editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
 msgid "Zoom In"
-msgstr "Zoom In"
+msgstr "Ingrandisci"
 
 #: editor/code_editor.cpp editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
 msgid "Zoom Out"
-msgstr "Zoom Out"
+msgstr "Rimpicciolisci"
 
 #: editor/code_editor.cpp
 msgid "Reset Zoom"
-msgstr "Resetta Zoom"
+msgstr "Azzera ingrandimento"
 
 #: editor/code_editor.cpp modules/mono/editor/mono_bottom_panel.cpp
-#, fuzzy
 msgid "Warnings"
-msgstr "Avvertimento"
+msgstr "Avvertenze"
 
 #: editor/code_editor.cpp
 msgid "Line and column numbers."
-msgstr ""
+msgstr "Numeri di riga e colonna."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
-msgstr "Il Metodo nel nodo di target deve essere specificato!"
+msgstr "Deve essere specificato il metodo nel nodo di target!"
 
 #: editor/connections_dialog.cpp
 msgid ""
@@ -696,7 +668,7 @@ msgstr ""
 
 #: editor/connections_dialog.cpp
 msgid "Connect To Node:"
-msgstr "Connetti A Nodo:"
+msgstr "Connetti al nodo:"
 
 #: editor/connections_dialog.cpp editor/editor_autoload_settings.cpp
 #: editor/groups_editor.cpp editor/plugins/item_list_editor_plugin.cpp
@@ -715,19 +687,19 @@ msgstr "Rimuovi"
 
 #: editor/connections_dialog.cpp
 msgid "Add Extra Call Argument:"
-msgstr "Aggiungi Argomento Extra di Chiamata:"
+msgstr "Aggiungi argomento extra di chiamata:"
 
 #: editor/connections_dialog.cpp
 msgid "Extra Call Arguments:"
-msgstr "Argomenti Chiamata Extra:"
+msgstr "Argomenti chiamata extra:"
 
 #: editor/connections_dialog.cpp
 msgid "Path to Node:"
-msgstr "Percorso a Nodo:"
+msgstr "Percorso per il nodo:"
 
 #: editor/connections_dialog.cpp
 msgid "Make Function"
-msgstr "Rendi Funzione"
+msgstr "Rendi funzione"
 
 #: editor/connections_dialog.cpp
 msgid "Deferred"
@@ -764,9 +736,8 @@ msgid "Disconnect '%s' from '%s'"
 msgstr "Disconnetti '%s' da '%s'"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Disconnect all from signal: '%s'"
-msgstr "Disconnetti '%s' da '%s'"
+msgstr "Disconnetti tutto dal segnale: '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Connect..."
@@ -778,13 +749,12 @@ msgid "Disconnect"
 msgstr "Disconnetti"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Connect Signal: "
 msgstr "Connetti il segnale: "
 
 #: editor/connections_dialog.cpp
 msgid "Edit Connection: "
-msgstr "Modifica Connessione: "
+msgstr "Modifica connessione: "
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from the \"%s\" signal?"
@@ -796,24 +766,23 @@ msgstr "Segnali"
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from this signal?"
-msgstr ""
+msgstr "Sei sicuro di voler rimuovere tutte le connessioni da questo segnale?"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect All"
 msgstr "Disconnetti tutto"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Edit..."
-msgstr "Modifica"
+msgstr "Modifica..."
 
 #: editor/connections_dialog.cpp
 msgid "Go To Method"
-msgstr "Vai al metodo"
+msgstr "Va' al metodo"
 
 #: editor/create_dialog.cpp
 msgid "Change %s Type"
-msgstr "Cambia Tipo %s"
+msgstr "Cambia tipo di %s"
 
 #: editor/create_dialog.cpp editor/project_settings_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -822,7 +791,7 @@ msgstr "Cambia"
 
 #: editor/create_dialog.cpp
 msgid "Create New %s"
-msgstr "Crea Nuovo %s"
+msgstr "Crea nuovo %s"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp
@@ -854,11 +823,11 @@ msgstr "Descrizione:"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement For:"
-msgstr "Cerca Rimpiazzo Per:"
+msgstr "Cerca rimpiazzo per:"
 
 #: editor/dependency_editor.cpp
 msgid "Dependencies For:"
-msgstr "Dipendenze Per:"
+msgstr "Dipendenze per:"
 
 #: editor/dependency_editor.cpp
 msgid ""
@@ -896,15 +865,15 @@ msgstr "Dipendenze:"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Broken"
-msgstr "Riparare Rotti"
+msgstr "Riparare rotti"
 
 #: editor/dependency_editor.cpp
 msgid "Dependency Editor"
-msgstr "Editor Dipendenze"
+msgstr "Editor dipendenze"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement Resource:"
-msgstr "Cerca Risorsa di Rimpiazzo:"
+msgstr "Cerca risorsa di rimpiazzo:"
 
 #: editor/dependency_editor.cpp editor/editor_file_dialog.cpp
 #: editor/editor_help_search.cpp editor/editor_node.cpp
@@ -918,11 +887,11 @@ msgstr "Apri"
 
 #: editor/dependency_editor.cpp
 msgid "Owners Of:"
-msgstr "Proprietari Di:"
+msgstr "Proprietari di:"
 
 #: editor/dependency_editor.cpp
 msgid "Remove selected files from the project? (no undo)"
-msgstr "Rimuovi i file selezionati dal progetto? (no undo)"
+msgstr "Rimuovi i file selezionati dal progetto? (non annullabile)"
 
 #: editor/dependency_editor.cpp
 msgid ""
@@ -930,9 +899,9 @@ msgid ""
 "work.\n"
 "Remove them anyway? (no undo)"
 msgstr ""
-"I file che stanno per essere rimossi sono richiesti da altre risorse perchè "
+"I file che stanno per essere rimossi sono richiesti da altre risorse perché "
 "esse funzionino.\n"
-"Rimuoverli comunque? (no undo)"
+"Rimuoverli comunque? (non annullabile)"
 
 #: editor/dependency_editor.cpp editor/export_template_manager.cpp
 msgid "Cannot remove:"
@@ -943,21 +912,20 @@ msgid "Error loading:"
 msgstr "Errore in caricamento:"
 
 #: editor/dependency_editor.cpp
-#, fuzzy
 msgid "Load failed due to missing dependencies:"
-msgstr "Caricamento scena fallito per mancanza di dipendenze:"
+msgstr "Caricamento fallito a causa di dipendenze mancanti:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Open Anyway"
-msgstr "Apri Comunque"
+msgstr "Apri comunque"
 
 #: editor/dependency_editor.cpp
 msgid "Which action should be taken?"
-msgstr "Quale Azione deve essere intrapresa?"
+msgstr "Quale azione deve essere intrapresa?"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Dependencies"
-msgstr "Ripara Dipendenze"
+msgstr "Ripara dipendenze"
 
 #: editor/dependency_editor.cpp
 msgid "Errors loading!"
@@ -965,7 +933,7 @@ msgstr "Errori in caricamento!"
 
 #: editor/dependency_editor.cpp
 msgid "Permanently delete %d item(s)? (No undo!)"
-msgstr "Eliminare permanentemente %d elementi? (No undo!)"
+msgstr "Eliminare permanentemente %d elementi? (Non annullabile!)"
 
 #: editor/dependency_editor.cpp
 msgid "Owns"
@@ -973,11 +941,11 @@ msgstr "Possiede"
 
 #: editor/dependency_editor.cpp
 msgid "Resources Without Explicit Ownership:"
-msgstr "Risorse Non Possedute Esplicitamente:"
+msgstr "Risorse non Possedute Esplicitamente:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Orphan Resource Explorer"
-msgstr "Esplora Risorse Orfane"
+msgstr "Esplora risorse orfane"
 
 #: editor/dependency_editor.cpp
 msgid "Delete selected files?"
@@ -997,7 +965,7 @@ msgstr "Cambia Chiave Dizionario"
 
 #: editor/dictionary_property_edit.cpp
 msgid "Change Dictionary Value"
-msgstr "Cambia Valore Dizionario"
+msgstr "Cambia valore del dizionario"
 
 #: editor/editor_about.cpp
 msgid "Thanks from the Godot community!"
@@ -1009,15 +977,15 @@ msgstr "Contributori a Godot Engine"
 
 #: editor/editor_about.cpp
 msgid "Project Founders"
-msgstr "Fondatori Progetto"
+msgstr "Fondatori del progetto"
 
 #: editor/editor_about.cpp
 msgid "Lead Developer"
-msgstr "Lead Developer"
+msgstr "Sviluppatore principale"
 
 #: editor/editor_about.cpp
 msgid "Project Manager "
-msgstr "Gestione Progetto "
+msgstr "Gestione progetto "
 
 #: editor/editor_about.cpp
 msgid "Developers"
@@ -1029,27 +997,27 @@ msgstr "Autori"
 
 #: editor/editor_about.cpp
 msgid "Platinum Sponsors"
-msgstr "Sponsors Platino"
+msgstr "Sponsor platino"
 
 #: editor/editor_about.cpp
 msgid "Gold Sponsors"
-msgstr "Sponsors Oro"
+msgstr "Sponsor oro"
 
 #: editor/editor_about.cpp
 msgid "Mini Sponsors"
-msgstr "Sponsors Mini"
+msgstr "Sponsor mini"
 
 #: editor/editor_about.cpp
 msgid "Gold Donors"
-msgstr "Donatori Oro"
+msgstr "Donatori oro"
 
 #: editor/editor_about.cpp
 msgid "Silver Donors"
-msgstr "Donatori Argento"
+msgstr "Donatori argento"
 
 #: editor/editor_about.cpp
 msgid "Bronze Donors"
-msgstr "Donatori Bronzo"
+msgstr "Donatori bronzo"
 
 #: editor/editor_about.cpp
 msgid "Donors"
@@ -1061,7 +1029,7 @@ msgstr "Licenza"
 
 #: editor/editor_about.cpp
 msgid "Thirdparty License"
-msgstr "Licenza di Terze Parti"
+msgstr "Licenza di terze parti"
 
 #: editor/editor_about.cpp
 msgid ""
@@ -1070,14 +1038,14 @@ msgid ""
 "is an exhaustive list of all such thirdparty components with their "
 "respective copyright statements and license terms."
 msgstr ""
-"Godot Engine si appoggia su un numero di librerie gratuite ed open source, "
-"tutte compatibili con la licenza MIT. La seguente é una lista esaustiva di "
-"tali componenti di terze parti con le rispettive dichiarazioni di copyright "
-"e termini di licenza."
+"Godot Engine si basa su parecchie librerie libere ed open source, tutte "
+"compatibili con la licenza MIT. Qui di seguito una lista esaustiva di tali "
+"componenti di terze parti con le rispettive dichiarazioni sui diritti "
+"d'autore e termini di licenza."
 
 #: editor/editor_about.cpp
 msgid "All Components"
-msgstr "Tutte le Componenti"
+msgstr "Tutte le componenti"
 
 #: editor/editor_about.cpp
 msgid "Components"
@@ -1089,16 +1057,15 @@ msgstr "Licenze"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Error opening package file, not in zip format."
-msgstr "Errore nell'apertura del package, non in formato zip."
+msgstr "Errore nell'apertura del pacchetto, non è in formato zip."
 
 #: editor/editor_asset_installer.cpp
 msgid "Uncompressing Assets"
-msgstr "Decompressione Assets"
+msgstr "Estrazione asset"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
-#, fuzzy
 msgid "Package installed successfully!"
-msgstr "Pacchetto Installato Con Successo!"
+msgstr "Pacchetto installato con successo!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -1112,7 +1079,7 @@ msgstr "Installa"
 
 #: editor/editor_asset_installer.cpp
 msgid "Package Installer"
-msgstr "Installer Pacchetto"
+msgstr "Installatore pacchetto"
 
 #: editor/editor_audio_buses.cpp
 msgid "Speakers"
@@ -1120,35 +1087,35 @@ msgstr "Altoparlanti"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Effect"
-msgstr "Aggiungi Effetto"
+msgstr "Aggiungi effetto"
 
 #: editor/editor_audio_buses.cpp
 msgid "Rename Audio Bus"
-msgstr "Rinomina Bus Audio"
+msgstr "Rinomina bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Change Audio Bus Volume"
-msgstr "Cambia il volume del Bus Audio"
+msgstr "Cambia il volume del bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Toggle Audio Bus Solo"
-msgstr "Imposta Bus Audio su Solo"
+msgstr "Imposta bus audio su solo"
 
 #: editor/editor_audio_buses.cpp
 msgid "Toggle Audio Bus Mute"
-msgstr "Imposta Bus Audio su Mute"
+msgstr "Imposta bus audio su Muto"
 
 #: editor/editor_audio_buses.cpp
 msgid "Toggle Audio Bus Bypass Effects"
-msgstr "Imposta Audio Bus Bypassa Effetti"
+msgstr "Commuta bypass effetti del bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Select Audio Bus Send"
-msgstr "Seleziona Bus Audio Invio"
+msgstr "Seleziona invio del bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Audio Bus Effect"
-msgstr "Aggiungi un effetto Bus Audio"
+msgstr "Aggiungi un effetto bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Move Bus Effect"
@@ -1160,7 +1127,7 @@ msgstr "Cancella effetto bus"
 
 #: editor/editor_audio_buses.cpp
 msgid "Audio Bus, Drag and Drop to rearrange."
-msgstr "Bus Audio, prendi e trascina per riordinare."
+msgstr "Bus audio, trascina e rilascia per riordinare."
 
 #: editor/editor_audio_buses.cpp
 msgid "Solo"
@@ -1181,15 +1148,15 @@ msgstr "Opzioni bus"
 #: editor/editor_audio_buses.cpp editor/filesystem_dock.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "Duplicate"
-msgstr "duplica"
+msgstr "Duplica"
 
 #: editor/editor_audio_buses.cpp
 msgid "Reset Volume"
-msgstr "Ripristina Volume"
+msgstr "Ripristina volume"
 
 #: editor/editor_audio_buses.cpp
 msgid "Delete Effect"
-msgstr "Elimina Effetto"
+msgstr "Elimina effetto"
 
 #: editor/editor_audio_buses.cpp
 msgid "Audio"
@@ -1197,7 +1164,7 @@ msgstr "Audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Audio Bus"
-msgstr "Aggiungi Bus Audio"
+msgstr "Aggiungi bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Master bus can't be deleted!"
@@ -1213,7 +1180,7 @@ msgstr "Duplica bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Reset Bus Volume"
-msgstr "Ripristina Volume del Bus"
+msgstr "Ripristina volume del Bus"
 
 #: editor/editor_audio_buses.cpp
 msgid "Move Audio Bus"
@@ -1221,7 +1188,7 @@ msgstr "Sposta bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Save Audio Bus Layout As..."
-msgstr "Salva Layout Bus Audio Come..."
+msgstr "Salva disposizione del bus audio come..."
 
 #: editor/editor_audio_buses.cpp
 msgid "Location for New Layout..."
@@ -1229,7 +1196,7 @@ msgstr "Posizione per Nuovo Layout..."
 
 #: editor/editor_audio_buses.cpp
 msgid "Open Audio Bus Layout"
-msgstr "Apri Layout Bus Audio"
+msgstr "Apri disposizione bus audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "There is no 'res://default_bus_layout.tres' file."
@@ -1237,16 +1204,15 @@ msgstr "Non esiste il file 'res://default_bus_layout.tres'."
 
 #: editor/editor_audio_buses.cpp
 msgid "Invalid file, not an audio bus layout."
-msgstr "File non valido, non è un layout di tipo bus audio."
+msgstr "File non valido, non è una disposizione del bus audio."
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Bus"
-msgstr "Aggiungi Bus"
+msgstr "Aggiungi bus"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Add a new Audio Bus to this layout."
-msgstr "Salva Layout Bus Audio Come..."
+msgstr "Aggiungi un nuovo bus audio a questa disposizione."
 
 #: editor/editor_audio_buses.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
@@ -1256,15 +1222,15 @@ msgstr "Carica"
 
 #: editor/editor_audio_buses.cpp
 msgid "Load an existing Bus Layout."
-msgstr "Carica un layout esistente di tipo bus."
+msgstr "Carica una disposizione bus esistente."
 
 #: editor/editor_audio_buses.cpp
 msgid "Save As"
-msgstr "Salva Come"
+msgstr "Salva come"
 
 #: editor/editor_audio_buses.cpp
 msgid "Save this Bus Layout to a file."
-msgstr "Salva questo layout di tipo bus in un file."
+msgstr "Salva questa disposizione bus in un file."
 
 #: editor/editor_audio_buses.cpp editor/import_dock.cpp
 msgid "Load Default"
@@ -1272,15 +1238,15 @@ msgstr "Carica predefiniti"
 
 #: editor/editor_audio_buses.cpp
 msgid "Load the default Bus Layout."
-msgstr "Carica il layout di tipo bus predefinito."
+msgstr "Carica la disposizione dei bus predefinita."
 
 #: editor/editor_audio_buses.cpp
 msgid "Create a new Bus Layout."
-msgstr "Crea nuovo layout di tipo bus."
+msgstr "Crea una nuova disposizione dei bus."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name."
-msgstr "Nome Invalido."
+msgstr "Nome non valido."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Valid characters:"
@@ -1289,19 +1255,19 @@ msgstr "Caratteri validi:"
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing engine class name."
 msgstr ""
-"Nome invalido. Non deve essere in conflitto con un nome di classe di engine "
-"esistente."
+"Nome non valido. Non deve essere in conflitto con un nome di classe "
+"dell'engine esistente."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing buit-in type name."
 msgstr ""
-"Nome invalido. Non deve essere in conflitto con un nome di tipo built-in "
+"Nome non valido. Non deve essere in conflitto con un nome di tipo built-in "
 "esistente."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing global constant name."
 msgstr ""
-"Nome invalido. Non deve essere in conflitto con un nome di una costante "
+"Nome non valido. Non deve essere in conflitto con un nome di una costante "
 "globale esistente."
 
 #: editor/editor_autoload_settings.cpp
@@ -1310,11 +1276,11 @@ msgstr "Autoload '%s' esiste già!"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Rename Autoload"
-msgstr "Rinomina Autoload"
+msgstr "Rinomina autoload"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Toggle AutoLoad Globals"
-msgstr "Abilita AutoLoad Globals"
+msgstr "Commuta AutoLoad globals"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Move Autoload"
@@ -1334,11 +1300,11 @@ msgstr "Riordina gli Autoload"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid Path."
-msgstr "Percorso Invalido."
+msgstr "Percorso non valido."
 
 #: editor/editor_autoload_settings.cpp
 msgid "File does not exist."
-msgstr "File non esistente."
+msgstr "File inesistente."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Not in resource path."
@@ -1355,7 +1321,7 @@ msgstr "Percorso:"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Node Name:"
-msgstr "Nome Nodo:"
+msgstr "Nome nodo:"
 
 #: editor/editor_autoload_settings.cpp editor/editor_help_search.cpp
 #: editor/editor_profiler.cpp editor/settings_config_dialog.cpp
@@ -1368,15 +1334,15 @@ msgstr "Singleton"
 
 #: editor/editor_data.cpp
 msgid "Updating Scene"
-msgstr "Aggiornamento Scena"
+msgstr "Aggiornamento scena"
 
 #: editor/editor_data.cpp
 msgid "Storing local changes..."
-msgstr "Memorizzando i cambiamenti locali..."
+msgstr "Memorizzazione dei cambiamenti locali..."
 
 #: editor/editor_data.cpp
 msgid "Updating scene..."
-msgstr "Aggiornando la scena..."
+msgstr "Aggiornamento della scena..."
 
 #: editor/editor_data.cpp editor/editor_properties.cpp
 msgid "[empty]"
@@ -1388,16 +1354,16 @@ msgstr "[non salvato]"
 
 #: editor/editor_dir_dialog.cpp
 msgid "Please select a base directory first"
-msgstr "Si prega di selezionare prima una directory di base"
+msgstr "Si prega di selezionare prima una cartella di base"
 
 #: editor/editor_dir_dialog.cpp
 msgid "Choose a Directory"
-msgstr "Scegli una Directory"
+msgstr "Scegli una cartella"
 
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
 msgid "Create Folder"
-msgstr "Crea Cartella"
+msgstr "Crea cartella"
 
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/editor_plugin_settings.cpp editor/filesystem_dock.cpp
@@ -1409,7 +1375,7 @@ msgstr "Nome:"
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
 msgid "Could not create folder."
-msgstr "Impossibile creare cartella."
+msgstr "Impossibile creare la cartella."
 
 #: editor/editor_dir_dialog.cpp
 msgid "Choose"
@@ -1417,14 +1383,11 @@ msgstr "Scegli"
 
 #: editor/editor_export.cpp
 msgid "Storing File:"
-msgstr "Memorizzazione File:"
+msgstr "Memorizzazione file:"
 
 #: editor/editor_export.cpp
-#, fuzzy
 msgid "No export template found at the expected path:"
-msgstr ""
-"Nessun template di esportazione trovato.\n"
-"Scarica ed installa i template di esportazione."
+msgstr "Nessun template di esportazione trovato nel percorso previsto:"
 
 #: editor/editor_export.cpp
 msgid "Packing"
@@ -1432,23 +1395,43 @@ msgstr "Impacchettando"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"La piattaforma di destinazione richiede la compressione 'ETC' delle texture "
+"per GLES2. Attiva 'Import Etc' nelle impostazioni del progetto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"La piattaforma di destinazione richiede la compressione 'ETC2' delle texture "
+"per GLES3. Attiva 'Import Etc 2' nelle impostazioni del progetto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"La piattaforma di destinazione richiede la compressione 'ETC' delle texture "
+"per il fallback del driver a GLES2.\n"
+"Attivare 'Import Etc' nelle impostazioni del progetto, oppure disattivare "
+"'Driver Fallback Enabled'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Custom debug template not found."
-msgstr "Pacchetto di debug personalizzato non trovato."
+msgstr "Template di debug personalizzato non trovato."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Custom release template not found."
-msgstr "Pacchetto di release personalizzato non trovato."
+msgstr "Template di release personalizzato non trovato."
 
 #: editor/editor_export.cpp platform/javascript/export/export.cpp
 msgid "Template file not found:"
@@ -1456,11 +1439,11 @@ msgstr "Template non trovato:"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Select Current Folder"
-msgstr "Seleziona Cartella Attuale"
+msgstr "Seleziona la cartella attuale"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "File Exists, Overwrite?"
-msgstr "File Esistente, Sovrascrivere?"
+msgstr "File esistente, sovrascriverlo?"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Select This Folder"
@@ -1468,49 +1451,48 @@ msgstr "Seleziona questa cartella"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "Copy Path"
-msgstr "Copia Percorso"
+msgstr "Copia percorso"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Open in File Manager"
-msgstr "Mostra nel File Manager"
+msgstr "Apri nel gestore file"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 #: editor/project_manager.cpp
 msgid "Show in File Manager"
-msgstr "Mostra nel File Manager"
+msgstr "Mostra nel gestore file"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "New Folder..."
-msgstr "Nuova Cartella..."
+msgstr "Nuova cartella..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Aggiorna"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "All Recognized"
-msgstr "Tutti i Riconosciuti"
+msgstr "Tutti Riconosciuti"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "All Files (*)"
-msgstr "Tutti i File (*)"
+msgstr "Tutti i file (*)"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a File"
-msgstr "Apri un File"
+msgstr "Apri un file"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open File(s)"
-msgstr "Apri File(s)"
+msgstr "Apri file"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a Directory"
-msgstr "Apri una Directory"
+msgstr "Apri una cartella"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a File or Directory"
-msgstr "Apri un File o una Directory"
+msgstr "Apri un file o una cartella"
 
 #: editor/editor_file_dialog.cpp editor/editor_node.cpp
 #: editor/editor_properties.cpp editor/inspector_dock.cpp
@@ -1521,27 +1503,27 @@ msgstr "Salva"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Save a File"
-msgstr "Salva un File"
+msgstr "Salva un file"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Back"
-msgstr "Torna Indietro"
+msgstr "Torna indietro"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Forward"
-msgstr "Vai Avanti"
+msgstr "Va' avanti"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Up"
-msgstr "Vai Su"
+msgstr "Va' su"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Hidden Files"
-msgstr "Abilita File Nascosti"
+msgstr "Commuta visibilità file nascosti"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Favorite"
-msgstr "Attiva Preferito"
+msgstr "Commuta preferito"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Mode"
@@ -1553,19 +1535,39 @@ msgstr "Percorso Di Fuoco"
 
 #: editor/editor_file_dialog.cpp
 msgid "Move Favorite Up"
-msgstr "Sposta Preferito Su"
+msgstr "Sposta preferito in su"
 
 #: editor/editor_file_dialog.cpp
 msgid "Move Favorite Down"
-msgstr "Sposta Preferito Giù"
+msgstr "Sposta preferito in giù"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Cartella precedente"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Cartella successiva"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
-msgstr "Vai nella cartella padre"
+msgstr "Va' alla cartella superiore"
+
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Aggiungi/rimuovi cartella attuale dai preferiti."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Visualizza elementi come una griglia di miniature."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Visualizza elementi come una lista."
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
-msgstr "Directory e File:"
+msgstr "File e cartelle:"
 
 #: editor/editor_file_dialog.cpp editor/plugins/sprite_editor_plugin.cpp
 #: editor/plugins/style_box_editor_plugin.cpp
@@ -1578,7 +1580,7 @@ msgstr "File:"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Must use a valid extension."
-msgstr "Necessaria un'estensione valida."
+msgstr "È necessaria un'estensione valida."
 
 #: editor/editor_file_system.cpp
 msgid "ScanSources"
@@ -1586,7 +1588,7 @@ msgstr "ScansionaSorgenti"
 
 #: editor/editor_file_system.cpp
 msgid "(Re)Importing Assets"
-msgstr "(Re)Importando gli Assets"
+msgstr "(Re)Importando gli asset"
 
 #: editor/editor_help.cpp editor/plugins/spatial_editor_plugin.cpp
 msgid "Top"
@@ -1606,7 +1608,7 @@ msgstr "Ereditato da:"
 
 #: editor/editor_help.cpp
 msgid "Brief Description:"
-msgstr "Breve Descrizione:"
+msgstr "Breve descrizione:"
 
 #: editor/editor_help.cpp
 msgid "Properties"
@@ -1674,17 +1676,17 @@ msgid ""
 "$url]contribute one[/url][/color] or [color=$color][url=$url2]request one[/"
 "url][/color]."
 msgstr ""
-"Al momento una descrizione per questa classe non esiste. Aiutaci [color="
+"Al momento non esiste alcuna descrizione per questa classe. Aiutaci [color="
 "$color][url=$url]aggiungendone una[/url][/color] oppure [color=$color][url="
 "$url2]richiedendone una[/url][/color]."
 
 #: editor/editor_help.cpp
 msgid "Property Descriptions"
-msgstr "Descrizione Proprietà"
+msgstr "Descrizione proprietà"
 
 #: editor/editor_help.cpp
 msgid "Property Descriptions:"
-msgstr "Descrizione Proprietà:"
+msgstr "Descrizione proprietà:"
 
 #: editor/editor_help.cpp
 msgid ""
@@ -1696,28 +1698,28 @@ msgstr ""
 
 #: editor/editor_help.cpp
 msgid "Method Descriptions"
-msgstr "Descrizione Metodo"
+msgstr "Descrizioni dei metodi"
 
 #: editor/editor_help.cpp
 msgid "Method Descriptions:"
-msgstr "Descrizione Metodo:"
+msgstr "Descrizioni dei metodi:"
 
 #: editor/editor_help.cpp
 msgid ""
 "There is currently no description for this method. Please help us by [color="
 "$color][url=$url]contributing one[/url][/color]!"
 msgstr ""
-"Al momento una descrizione per questo metodo non esiste. Aiutaci [color="
+"Al momento non esiste alcuna descrizione per questo metodo. Aiutaci [color="
 "$color][url=$url]aggiungendone una[/url][/color]!"
 
 #: editor/editor_help_search.cpp editor/editor_node.cpp
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Search Help"
-msgstr "Cerca Aiuto"
+msgstr "Cerca aiuto"
 
 #: editor/editor_help_search.cpp
 msgid "Display All"
-msgstr "Mostra Tutto"
+msgstr "Mostra tutto"
 
 #: editor/editor_help_search.cpp
 msgid "Classes Only"
@@ -1744,9 +1746,8 @@ msgid "Theme Properties Only"
 msgstr "Solo le proprietà del tema"
 
 #: editor/editor_help_search.cpp
-#, fuzzy
 msgid "Member Type"
-msgstr "Membri"
+msgstr "Tipo di membro"
 
 #: editor/editor_help_search.cpp
 msgid "Class"
@@ -1758,11 +1759,11 @@ msgstr "Proprietà:"
 
 #: editor/editor_inspector.cpp
 msgid "Set"
-msgstr "Set"
+msgstr "Imposta"
 
 #: editor/editor_inspector.cpp
 msgid "Set Multiple:"
-msgstr ""
+msgstr "Imposta multiplo:"
 
 #: editor/editor_log.cpp
 msgid "Output:"
@@ -1786,9 +1787,9 @@ msgstr "Svuota output"
 msgid "Project export failed with error code %d."
 msgstr "Esportazione progetto fallita con codice di errore %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Errore salvando la Risorsa!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Le risorse importate non possono essere salvate."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1796,8 +1797,20 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Errore nel salvataggio della risorsa!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Questa risorsa non può essere salvata perché non appartiene alla scena che "
+"si sta modificando. Assicurarsi di renderla unica."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
-msgstr "Salva Risorsa Come..."
+msgstr "Salva risorsa come..."
 
 #: editor/editor_node.cpp
 msgid "Can't open file for writing:"
@@ -1814,6 +1827,7 @@ msgstr "Errore durante il salvataggio."
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Can't open '%s'. The file could have been moved or deleted."
 msgstr ""
+"Impossibile aprire '%s'. Il file potrebbe essere stato spostato o eliminato."
 
 #: editor/editor_node.cpp
 msgid "Error while parsing '%s'."
@@ -1833,7 +1847,7 @@ msgstr "Errore durante il caricamento di '%s'."
 
 #: editor/editor_node.cpp
 msgid "Saving Scene"
-msgstr "Salvataggio Scena"
+msgstr "Salvataggio scena"
 
 #: editor/editor_node.cpp
 msgid "Analyzing"
@@ -1841,7 +1855,7 @@ msgstr "Analizzo"
 
 #: editor/editor_node.cpp
 msgid "Creating Thumbnail"
-msgstr "Creazione Miniature"
+msgstr "Creazione miniature"
 
 #: editor/editor_node.cpp
 msgid "This operation can't be done without a tree root."
@@ -1853,18 +1867,21 @@ msgid ""
 "This scene can't be saved because there is a cyclic instancing inclusion.\n"
 "Please resolve it and then attempt to save again."
 msgstr ""
+"Questa scena non può essere salvata perché contiene un'istanziazione "
+"ciclica.\n"
+"Riprovare ad eseguire il salvataggio dopo aver risolto il problema."
 
 #: editor/editor_node.cpp
 msgid ""
 "Couldn't save scene. Likely dependencies (instances or inheritance) couldn't "
 "be satisfied."
 msgstr ""
-"Impossibile salvare la scena. Probabili dipendenze (instanze o eredità) non "
-"sono state soddisfatte."
+"Impossibile salvare la scena. È probabile che le dipendenze (instanze o "
+"eredità) non siano state soddisfatte."
 
 #: editor/editor_node.cpp editor/scene_tree_dock.cpp
 msgid "Can't overwrite scene that is still open!"
-msgstr ""
+msgstr "Impossibile sovrascrivere una scena che è ancora aperta!"
 
 #: editor/editor_node.cpp
 msgid "Can't load MeshLibrary for merging!"
@@ -1872,7 +1889,7 @@ msgstr "Impossibile caricare MeshLibrary per l'unione!"
 
 #: editor/editor_node.cpp
 msgid "Error saving MeshLibrary!"
-msgstr "Errore salvataggio MeshLibrary!"
+msgstr "Errore nel salvataggio di MeshLibrary!"
 
 #: editor/editor_node.cpp
 msgid "Can't load TileSet for merging!"
@@ -1884,11 +1901,11 @@ msgstr "Errore di salvataggio TileSet!"
 
 #: editor/editor_node.cpp
 msgid "Error trying to save layout!"
-msgstr "Errore tentando di salvare il layout!"
+msgstr "Errore nel salvataggio del layout!"
 
 #: editor/editor_node.cpp
 msgid "Default editor layout overridden."
-msgstr "Layout dell'editor di default ignorato."
+msgstr "Layout predefinito dell'editor sovrascritto."
 
 #: editor/editor_node.cpp
 msgid "Layout name not found!"
@@ -1896,7 +1913,7 @@ msgstr "Nome layout non trovato!"
 
 #: editor/editor_node.cpp
 msgid "Restored default layout to base settings."
-msgstr "Ripristinato il layout di default ai settaggi di base."
+msgstr "Ripristinato il layout di default alle impostazioni originali."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1932,10 +1949,10 @@ msgid ""
 "Please read the documentation relevant to importing scenes to better "
 "understand this workflow."
 msgstr ""
-"Questa scena é stata importata, pertanto i cambiamenti ad essa non verranno "
+"Questa scena è stata importata, pertanto i cambiamenti ad essa non verranno "
 "mantenuti.\n"
-"Istanziarla o ereditarla consentirà di effettuare dei cambiamenti.\n"
-"Si conaiglia di leggere la documentazione relativa all'importazione delle "
+"Istanziarla o ereditarla permetterà modificarla.\n"
+"Si consiglia di leggere la documentazione relativa all'importazione delle "
 "scene per comprendere meglio questo workflow."
 
 #: editor/editor_node.cpp
@@ -1960,7 +1977,7 @@ msgid ""
 "category."
 msgstr ""
 "Nessuna scena principale è stata definita, selezionarne una?\n"
-"Puoi cambiarla successivamente da \"Impostazioni Progetto\" sotto la "
+"Puoi cambiarla successivamente da \"Impostazioni progetto\" sotto la "
 "categoria 'applicazioni'."
 
 #: editor/editor_node.cpp
@@ -1970,7 +1987,7 @@ msgid ""
 "category."
 msgstr ""
 "La scena selezionata '%s' non esiste, sceglierne una valida?\n"
-"Puoi cambiarla successivamente da \"Impostazioni Progetto\" sotto la "
+"Puoi cambiarla successivamente da \"Impostazioni progetto\" sotto la "
 "categoria 'applicazioni'."
 
 #: editor/editor_node.cpp
@@ -1979,31 +1996,31 @@ msgid ""
 "You can change it later in \"Project Settings\" under the 'application' "
 "category."
 msgstr ""
-"Las cena selezionata '%s non è un file scena, sceglierne una valida?\n"
-"Puoi cambiarla successivamente da \"Impostazioni Progetto\" sotto la "
+"La scena selezionata '%s non è un file scena, sceglierne una valida?\n"
+"Puoi cambiarla successivamente da \"Impostazioni progetto\" sotto la "
 "categoria 'applicazioni'."
 
 #: editor/editor_node.cpp
 msgid "Current scene was never saved, please save it prior to running."
 msgstr ""
-"La scena corrente non è mai stata salvata, per favore salvarla prima di "
-"eseguire."
+"La scena attuale non è mai stata salvata, si prega di salvarla prima di "
+"eseguirla."
 
 #: editor/editor_node.cpp
 msgid "Could not start subprocess!"
-msgstr "Impossibile avviare subprocesso!"
+msgstr "Impossibile avviare sottoprocesso!"
 
 #: editor/editor_node.cpp
 msgid "Open Scene"
-msgstr "Apri Scena"
+msgstr "Apri scena"
 
 #: editor/editor_node.cpp
 msgid "Open Base Scene"
-msgstr "Apri Scena Base"
+msgstr "Apri scena base"
 
 #: editor/editor_node.cpp
 msgid "Quick Open Scene..."
-msgstr "Apri scena rapido..."
+msgstr "Apri scena rapidamente..."
 
 #: editor/editor_node.cpp
 msgid "Quick Open Script..."
@@ -2018,14 +2035,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Salvare le modifiche a '%s' prima di chiudere?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Caricamento della risorsa fallito."
+msgstr "Salvata(e) %s risorsa(e) modificata(e)."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Solo un file è richiesto per una texture grande."
+msgstr "È necessario un nodo radice per salvare la scena."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2129,7 +2144,8 @@ msgstr ""
 #: editor/editor_node.cpp
 msgid "Unable to find script field for addon plugin at: 'res://addons/%s'."
 msgstr ""
-"Impossibile trovare il campo per lo script aggiuntivo in: 'res://addons/%s'."
+"Impossibile trovare il campo per lo script del plugin aggiuntivo in: 'res://"
+"addons/%s'."
 
 #: editor/editor_node.cpp
 msgid "Unable to load addon script from path: '%s'."
@@ -2455,18 +2471,16 @@ msgid "Toggle Fullscreen"
 msgstr "Abilita/Disabilita Fullscreen"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Open Editor Data/Settings Folder"
-msgstr "Impostazioni Editor"
+msgstr "Apri Cartella Dati/Impostazioni Editor"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Data Folder"
-msgstr ""
+msgstr "Apri la Cartella Dati dell'Editor"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Open Editor Settings Folder"
-msgstr "Impostazioni Editor"
+msgstr "Apri Cartella Impostazioni Editor"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Manage Export Templates"
@@ -2546,18 +2560,16 @@ msgstr "Esegui Scena Personalizzata"
 
 #: editor/editor_node.cpp
 msgid "Changing the video driver requires restarting the editor."
-msgstr ""
+msgstr "Il cambiamento dei driver video necessita il riavvio dell'editor."
 
 #: editor/editor_node.cpp editor/project_settings_editor.cpp
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Save & Restart"
-msgstr "Salva e Re-Importa"
+msgstr "Salva e Riavvia"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Spins when the editor window redraws."
-msgstr "Gira quando la finestra dell'editor viene ridisegnata!"
+msgstr "Gira quando l'editor viene ridisegnato."
 
 #: editor/editor_node.cpp
 msgid "Update Always"
@@ -2589,9 +2601,8 @@ msgid "Node"
 msgstr "Nodo"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Expand Bottom Panel"
-msgstr "Espandi tutto"
+msgstr "Espandi Pannello Inferiore"
 
 #: editor/editor_node.cpp scene/resources/visual_shader.cpp
 msgid "Output"
@@ -2670,9 +2681,8 @@ msgid "Thumbnail..."
 msgstr "Miniatura..."
 
 #: editor/editor_plugin_settings.cpp
-#, fuzzy
 msgid "Edit Plugin"
-msgstr "Modifica Poly"
+msgstr "Modifica Plugin"
 
 #: editor/editor_plugin_settings.cpp
 msgid "Installed Plugins:"
@@ -2696,15 +2706,13 @@ msgid "Status:"
 msgstr "Stato:"
 
 #: editor/editor_plugin_settings.cpp
-#, fuzzy
 msgid "Edit:"
-msgstr "Modifica"
+msgstr "Modifica:"
 
 #: editor/editor_profiler.cpp editor/plugins/animation_state_machine_editor.cpp
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Start"
-msgstr "Inizia!"
+msgstr "Inizia"
 
 #: editor/editor_profiler.cpp
 msgid "Measure:"
@@ -2756,39 +2764,39 @@ msgstr "On"
 
 #: editor/editor_properties.cpp
 msgid "Layer"
-msgstr ""
+msgstr "Livello"
 
 #: editor/editor_properties.cpp
-#, fuzzy
 msgid "Bit %d, value %d"
-msgstr "Bit %d, val %d."
+msgstr "Bit %d, valore %d"
 
 #: editor/editor_properties.cpp
-#, fuzzy
 msgid "[Empty]"
-msgstr "Aggiungi vuoto"
+msgstr "[Vuoto]"
 
 #: editor/editor_properties.cpp editor/plugins/root_motion_editor_plugin.cpp
-#, fuzzy
 msgid "Assign..."
-msgstr "Assegna"
+msgstr "Assegna..."
 
 #: editor/editor_properties.cpp
-#, fuzzy
 msgid "Invalid RID"
-msgstr "Percorso Invalido"
+msgstr "RID Invalido"
 
 #: editor/editor_properties.cpp
 msgid ""
 "The selected resource (%s) does not match any type expected for this "
 "property (%s)."
 msgstr ""
+"La risorsa selezionata (%s) non corrisponde ad alcun tipo atteso per questa "
+"proprietà (%s)."
 
 #: editor/editor_properties.cpp
 msgid ""
 "Can't create a ViewportTexture on resources saved as a file.\n"
 "Resource needs to belong to a scene."
 msgstr ""
+"Impossibile creare ViewportTexture da risorse salvate come file.\n"
+"La risorsa deve appartenere ad una scena."
 
 #: editor/editor_properties.cpp
 msgid ""
@@ -2797,6 +2805,10 @@ msgid ""
 "Please switch on the 'local to scene' property on it (and all resources "
 "containing it up to a node)."
 msgstr ""
+"Impossibile creare ViewportTexture da questa risorsa perché non è definita "
+"localmente in una scena.\n"
+"Per favore attivare la proprietà \"local to scene\" sulla risorsa (e su "
+"tutte le risorse che la contengono, fino al nodo che le utilizza)."
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Pick a Viewport"
@@ -2808,12 +2820,11 @@ msgstr "Nuovo Script"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "New %s"
-msgstr ""
+msgstr "Nuovo %s"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
-#, fuzzy
 msgid "Make Unique"
-msgstr "Crea Ossa"
+msgstr "Rendi Unico"
 
 #: editor/editor_properties.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
@@ -2830,45 +2841,39 @@ msgid "Paste"
 msgstr "Incolla"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
-#, fuzzy
 msgid "Convert To %s"
-msgstr "Converti In..."
+msgstr "Converti In %s"
 
 #: editor/editor_properties.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Open Editor"
-msgstr "Apri nell Editor"
+msgstr "Apri Editor"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
-#, fuzzy
 msgid "Selected node is not a Viewport!"
-msgstr "Scegli Nodo(i) da Importare"
+msgstr "Il nodo selezionato non è una Viewport!"
 
 #: editor/editor_properties_array_dict.cpp
-#, fuzzy
 msgid "Size: "
-msgstr "Dimensione Cella:"
+msgstr "Dimensione: "
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Page: "
-msgstr ""
+msgstr "Pagina: "
 
 #: editor/editor_properties_array_dict.cpp
-#, fuzzy
 msgid "New Key:"
-msgstr "Nuovo nome:"
+msgstr "Nuova Chiave:"
 
 #: editor/editor_properties_array_dict.cpp
-#, fuzzy
 msgid "New Value:"
-msgstr "Nuovo nome:"
+msgstr "Nuovo Valore:"
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Add Key/Value Pair"
-msgstr ""
+msgstr "Aggiungi Coppia Chiave/Valore"
 
 #: editor/editor_properties_array_dict.cpp
 #: editor/plugins/theme_editor_plugin.cpp
@@ -2962,9 +2967,8 @@ msgid "Can't open export templates zip."
 msgstr "Impossibile aprire zip dei template d'esportazionie."
 
 #: editor/export_template_manager.cpp
-#, fuzzy
 msgid "Invalid version.txt format inside templates: %s."
-msgstr "Formato di version.txt invalido nelle templates."
+msgstr "Formato di version.txt non valido nei templates: %s."
 
 #: editor/export_template_manager.cpp
 msgid "No version.txt found inside templates."
@@ -2987,8 +2991,8 @@ msgid ""
 "No download links found for this version. Direct download is only available "
 "for official releases."
 msgstr ""
-"Non sono stati trovati link di download per questa versione. Il direct "
-"download è disponibile solamente per rilasci ufficiali."
+"Non sono stati trovati link di download per questa versione. Il download "
+"diretto è disponibile solamente per rilasci ufficiali."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -3029,10 +3033,12 @@ msgid ""
 "Templates installation failed. The problematic templates archives can be "
 "found at '%s'."
 msgstr ""
+"Installazione dei template fallita. Gli archivi dei template che danno "
+"problemi possono essere trovati in '%s'."
 
 #: editor/export_template_manager.cpp
 msgid "Error requesting url: "
-msgstr "Errore di connessione all'URL: "
+msgstr "Errore nella richiesta url: "
 
 #: editor/export_template_manager.cpp
 msgid "Connecting to Mirror..."
@@ -3048,7 +3054,7 @@ msgstr "Risolvendo"
 
 #: editor/export_template_manager.cpp
 msgid "Can't Resolve"
-msgstr "Impossibile risolvere"
+msgstr "Impossibile Risolvere"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -3074,7 +3080,7 @@ msgstr "Download in corso"
 
 #: editor/export_template_manager.cpp
 msgid "Connection Error"
-msgstr "Errore di connessione"
+msgstr "Errore di Connessione"
 
 #: editor/export_template_manager.cpp
 msgid "SSL Handshake Error"
@@ -3106,12 +3112,11 @@ msgstr "Gestore Template Esportazione"
 
 #: editor/export_template_manager.cpp
 msgid "Download Templates"
-msgstr "Scarica Templates"
+msgstr "Scarica Template"
 
 #: editor/export_template_manager.cpp
-#, fuzzy
 msgid "Select mirror from list: (Shift+Click: Open in Browser)"
-msgstr "Seleziona mirror dall'elenco "
+msgstr "Seleziona mirror dalla lista: (Shift+Click: Apri in Browser)"
 
 #: editor/file_type_cache.cpp
 msgid "Can't open file_type_cache.cch for writing, not saving file type cache!"
@@ -3120,9 +3125,8 @@ msgstr ""
 "tipi di file!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Favorites"
-msgstr "Preferiti:"
+msgstr "Preferiti"
 
 #: editor/filesystem_dock.cpp
 msgid "Cannot navigate to '%s' as it has not been found in the file system!"
@@ -3130,16 +3134,6 @@ msgstr ""
 "Impossibile navigare a '%s' perché non è stato trovato nel file system!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Visualizza elementi come una griglia di miniature"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Visualizza elementi come una lista"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Stato: Importazione file fallita. Si prega di riparare il file e "
@@ -3206,14 +3200,12 @@ msgid "Instance"
 msgstr "Istanza"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Add to favorites"
-msgstr "Preferiti:"
+msgstr "Aggiungi ai preferiti"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Remove from favorites"
-msgstr "Rimuovi da Gruppo"
+msgstr "Rimuovi dai preferiti"
 
 #: editor/filesystem_dock.cpp
 msgid "Edit Dependencies..."
@@ -3236,24 +3228,20 @@ msgid "Move To..."
 msgstr "Sposta in..."
 
 #: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "New Script..."
-msgstr "Nuovo Script"
+msgstr "Nuovo Script..."
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "New Resource..."
-msgstr "Salva Risorsa Come..."
+msgstr "Nuova Risorsa..."
 
 #: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Expand All"
-msgstr "Espandi tutto"
+msgstr "Espandi Tutto"
 
 #: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Collapse All"
-msgstr "Comprimi tutto"
+msgstr "Comprimi Tutto"
 
 #: editor/filesystem_dock.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3275,18 +3263,12 @@ msgid "Re-Scan Filesystem"
 msgstr "Re-Scan Filesystem"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Toggle split mode"
-msgstr "Modalità Attivazione"
+msgstr "Attiva/disattiva la modalità split"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Search files"
-msgstr "Cerca Classi"
-
-#: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Istanzia le scene selezionate come figlie del nodo selezionato."
+msgstr "Cerca file"
 
 #: editor/filesystem_dock.cpp
 msgid ""
@@ -3301,37 +3283,32 @@ msgid "Move"
 msgstr "Sposta"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "There is already file or folder with the same name in this location."
-msgstr "Un file o cartella con questo nome é già esistente."
+msgstr "C'è già un file o una cartella con lo stesso nome in questo percorso."
 
 #: editor/filesystem_dock.cpp
 msgid "Overwrite"
-msgstr ""
+msgstr "Sovrascrivi"
 
 #: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Create Script"
 msgstr "Crea Script"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Find in Files"
-msgstr "Trova tile"
+msgstr "Trova nei File"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Find:"
-msgstr "Trova"
+msgstr "Trova:"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Folder:"
-msgstr "Vai alla Linea"
+msgstr "Cartella:"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Filters:"
-msgstr "Filtri"
+msgstr "Filtri:"
 
 #: editor/find_in_files.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/script_text_editor.cpp
@@ -3347,58 +3324,48 @@ msgid "Cancel"
 msgstr "Annulla"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Find: "
-msgstr "Trova"
+msgstr "Trova: "
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Replace: "
-msgstr "Rimpiazza"
+msgstr "Sostituisci: "
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Replace all (no undo)"
-msgstr "Rimpiazza Tutti"
+msgstr "Sostituisci tutto (no undo)"
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Searching..."
-msgstr "Salvataggio..."
+msgstr "Ricerca..."
 
 #: editor/find_in_files.cpp
-#, fuzzy
 msgid "Search complete"
-msgstr "Cerca Testo"
+msgstr "Ricerca completata"
 
 #: editor/groups_editor.cpp
-#, fuzzy
 msgid "Group name already exists."
-msgstr "ERRORE: Il nome dell'animazione esiste già!"
+msgstr "Il nome del gruppo è già esistente."
 
 #: editor/groups_editor.cpp
-#, fuzzy
 msgid "Invalid group name."
-msgstr "Nome Invalido."
+msgstr "Nome del gruppo non valido."
 
 #: editor/groups_editor.cpp editor/node_dock.cpp
 msgid "Groups"
 msgstr "Gruppi"
 
 #: editor/groups_editor.cpp
-#, fuzzy
 msgid "Nodes not in Group"
-msgstr "Gruppo(i) Nodi"
+msgstr "Nodi non in Gruppo"
 
 #: editor/groups_editor.cpp editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Filter nodes"
-msgstr "Filtri"
+msgstr "Filtra nodi"
 
 #: editor/groups_editor.cpp
-#, fuzzy
 msgid "Nodes in Group"
-msgstr "Gruppo(i) Nodi"
+msgstr "Nodi in Gruppo"
 
 #: editor/groups_editor.cpp
 msgid "Add to Group"
@@ -3409,9 +3376,8 @@ msgid "Remove from Group"
 msgstr "Rimuovi da Gruppo"
 
 #: editor/groups_editor.cpp
-#, fuzzy
 msgid "Manage Groups"
-msgstr "Gruppi Immagini"
+msgstr "Gestisci Gruppi"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import as Single Scene"
@@ -3435,7 +3401,7 @@ msgstr "Importa con Oggetti Separati+Materiali"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects+Animations"
-msgstr "Importa con Oggetti Separati e Animazioni"
+msgstr "Importa con Oggetti+Animazioni Separati"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Materials+Animations"
@@ -3443,15 +3409,16 @@ msgstr "Importa con Materiali Separati+Animazioni"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects+Materials+Animations"
-msgstr "Importa con Oggetti+Materiali+Animazioni"
+msgstr "Importa con Oggetti+Materiali+Animazioni Separati"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import as Multiple Scenes"
 msgstr "Importa come Scene Multiple"
 
 #: editor/import/resource_importer_scene.cpp
+#, fuzzy
 msgid "Import as Multiple Scenes+Materials"
-msgstr "Importa come Scene Multiple+Materiali"
+msgstr "Importa come Scene+Materiali Multipli"
 
 #: editor/import/resource_importer_scene.cpp
 #: editor/plugins/mesh_library_editor_plugin.cpp
@@ -3516,30 +3483,30 @@ msgstr "Reimporta"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
-msgstr ""
+msgstr "Salva scene, importa nuovamente e riavvia"
 
 #: editor/import_dock.cpp
 msgid "Changing the type of an imported file requires editor restart."
-msgstr ""
+msgstr "Cambiare il tipo di un file importato richiede il riavvio dell'editor."
 
 #: editor/import_dock.cpp
 msgid ""
 "WARNING: Assets exist that use this resource, they may stop loading properly."
 msgstr ""
+"ATTENZIONE: Esistono degli elementi che utilizzano questa risorsa, "
+"potrebbero non essere più caricati correttamente."
 
 #: editor/inspector_dock.cpp
 msgid "Failed to load resource."
 msgstr "Caricamento della risorsa fallito."
 
 #: editor/inspector_dock.cpp
-#, fuzzy
 msgid "Expand All Properties"
-msgstr "Espandi tutte le proprietà"
+msgstr "Espandi Tutte le Proprietà"
 
 #: editor/inspector_dock.cpp
-#, fuzzy
 msgid "Collapse All Properties"
-msgstr "Comprimi tutte le proprietà"
+msgstr "Comprimi Tutte le Proprietà"
 
 #: editor/inspector_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp
@@ -3555,9 +3522,8 @@ msgid "Paste Params"
 msgstr "Incolla Parametri"
 
 #: editor/inspector_dock.cpp
-#, fuzzy
 msgid "Edit Resource Clipboard"
-msgstr "Clipboard risorse vuota!"
+msgstr "Modifica Appunti Risorse"
 
 #: editor/inspector_dock.cpp
 msgid "Copy Resource"
@@ -3604,9 +3570,8 @@ msgid "Object properties."
 msgstr "Proprietà oggetto."
 
 #: editor/inspector_dock.cpp
-#, fuzzy
 msgid "Filter properties"
-msgstr "Filtri"
+msgstr "Filtra proprietà"
 
 #: editor/inspector_dock.cpp
 msgid "Changes may be lost!"
@@ -3621,85 +3586,72 @@ msgid "Select a Node to edit Signals and Groups."
 msgstr "Seleziona un Nodo per modificare Segnali e Gruppi."
 
 #: editor/plugin_config_dialog.cpp
-#, fuzzy
 msgid "Edit a Plugin"
-msgstr "Modifica Poly"
+msgstr "Modifica un Plugin"
 
 #: editor/plugin_config_dialog.cpp
-#, fuzzy
 msgid "Create a Plugin"
-msgstr "Crea Outline"
+msgstr "Crea un Plugin"
 
 #: editor/plugin_config_dialog.cpp
-#, fuzzy
 msgid "Plugin Name:"
-msgstr "Lista Plugin:"
+msgstr "Nome Plugin:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Subfolder:"
-msgstr ""
+msgstr "Sottocartella:"
 
 #: editor/plugin_config_dialog.cpp
-#, fuzzy
 msgid "Language:"
-msgstr "Linguaggio"
+msgstr "Lingua:"
 
 #: editor/plugin_config_dialog.cpp
-#, fuzzy
 msgid "Script Name:"
-msgstr "Script valido"
+msgstr "Nome Script:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Activate now?"
-msgstr ""
+msgstr "Attivare ora?"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Polygon"
-msgstr "Crea Poly"
+msgstr "Crea Poligono"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Create points."
-msgstr "Elimina Punti"
+msgstr "Crea punti."
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
-#, fuzzy
 msgid ""
 "Edit points.\n"
 "LMB: Move Point\n"
 "RMB: Erase Point"
 msgstr ""
-"Modifica poligono esistente:\n"
-"LMB: muovi punto.\n"
-"Ctrl+LMB: dividi segmento.\n"
-"RMB: cancella punto."
+"Modifica punti.\n"
+"LMB: Muovi Punto\n"
+"RMB: Cancella Punto"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Erase points."
-msgstr "RMB: Elimina Punto."
+msgstr "Cancella punti."
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
-#, fuzzy
 msgid "Edit Polygon"
-msgstr "Modifica Poly"
+msgstr "Modifica Poligono"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid "Insert Point"
 msgstr "Inserisci Punto"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
-#, fuzzy
 msgid "Edit Polygon (Remove Point)"
-msgstr "Modifica Poly (Rimuovi Punto)"
+msgstr "Modifica Poligono (Rimuovi Punto)"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
-#, fuzzy
 msgid "Remove Polygon And Point"
 msgstr "Rimuovi Poligono e Punto"
 
@@ -3715,52 +3667,47 @@ msgstr "Aggiungi Animazione"
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Load..."
-msgstr "Carica"
+msgstr "Carica..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Sposta Punto"
+msgstr "Sposta Punto Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Cambia tempo di Blend"
+msgstr "Cambia Limiti BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Cambia tempo di Blend"
+msgstr "Cambia Etichette BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "This type of node can't be used. Only root nodes are allowed."
 msgstr ""
+"Questo tipo di nodo non può essere utilizzato. Sono permessi solo i nodi "
+"radice."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Aggiungi Nodo"
+msgstr "Aggiungi Punto Nodo"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Aggiungi Animazione"
+msgstr "Aggiungi Punto Animazione"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Rimuovi Punto Percorso"
+msgstr "Rimuovi Punto BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Sposta Nodo BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3770,91 +3717,85 @@ msgid ""
 "AnimationTree is inactive.\n"
 "Activate to enable playback, check node warnings if activation fails."
 msgstr ""
+"AnimationTree non è attivo.\n"
+"Attivalo per consentirne la riproduzione, controlla le avvertenze del nodo "
+"se l'attivazione fallisce."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Set the blending position within the space"
-msgstr ""
+msgstr "Imposta la posizione di blending nello spazio"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Select and move points, create points with RMB."
 msgstr ""
+"Seleziona e muovi i punti, per creare i punti usa il tasto destro del mouse."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp scene/gui/graph_edit.cpp
 msgid "Enable snap and show grid."
-msgstr ""
+msgstr "Attiva lo snap e mostra la griglia."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Point"
-msgstr "Sposta Punto"
+msgstr "Punto"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Open Animation Node"
-msgstr "Nodo Animazione"
+msgstr "Apri Nodo Animazione"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Triangle already exists"
-msgstr "L'Azione '%s' esiste già!"
+msgstr "Il triangolo è già esistente"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Aggiungi Variabile"
+msgstr "Aggiungi Triangolo"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Cambia tempo di Blend"
+msgstr "Cambia Limiti BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Cambia tempo di Blend"
+msgstr "Cambia Etichette BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Rimuovi Punto Percorso"
+msgstr "Rimuovi Punto BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Rimuovi Variabile"
+msgstr "Rimuovi Triangolo BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
-msgstr ""
+msgstr "BlendSpace2D non appartiene ad un nodo AnimationTree."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "No triangles exist, so no blending can take place."
-msgstr ""
+msgstr "Non esistono triangoli, non può quindi aver luogo alcun blending."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Abilita AutoLoad Globals"
+msgstr "Attiva Triangolazione Automatica"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
-msgstr ""
+msgstr "Crea triangoli connettendo i punti."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Erase points and triangles."
-msgstr "Elaborazione %d Triangoli:"
+msgstr "Cancella punti e triangoli."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Generate blend triangles automatically (instead of manually)"
-msgstr ""
+msgstr "Genera i tringoli di fusione automaticamente (anzichè manualmente)"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3862,9 +3803,8 @@ msgid "Blend:"
 msgstr "Blend:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Cambiamenti dei Materiali"
+msgstr "Parametro Modificato"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3873,64 +3813,62 @@ msgstr "Modifica Filtri"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Output node can't be added to the blend tree."
-msgstr ""
+msgstr "Il nodo di output non può essere aggiunto all'albero di fusione."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Aggiungi Nodo(i) Da Albero"
+msgstr "Aggiungi Nodo al BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Modalità Movimento"
+msgstr "Nodo Spostato"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Unable to connect, port may be in use or connection may be invalid."
 msgstr ""
+"Impossibile connettersi, la porta potrebbe essere in uso o la connessione "
+"potrebbe non essere valida."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Connesso"
+msgstr "Nodi Collegati"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Disconnesso"
+msgstr "Nodi Scollegati"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Animazione"
+msgstr "Imposta Animazione"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Elimina Nodo(i)"
+msgstr "Elimina Nodo"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Attiva/Disattiva la traccia."
+msgstr "Attiva/Disattiva il Filtro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Cambia tempo di Blend"
+msgstr "Cambia Filtro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
 msgstr ""
+"Nessun player per animazioni impostato, impossibile recuperare i nomi delle "
+"tracce."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Player path set is invalid, so unable to retrieve track names."
 msgstr ""
+"Il percorso impostato per il player non è valido, impossibile recuperare i "
+"nomi delle tracce."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/root_motion_editor_plugin.cpp
@@ -3938,29 +3876,27 @@ msgid ""
 "Animation player has no valid root node path, so unable to retrieve track "
 "names."
 msgstr ""
+"Il player delle animazioni non ha un percorso valido verso il nodo radice, "
+"impossibile recuperare i nomi delle tracce."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nome Nodo:"
+msgstr "Nodo Rinominato"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node..."
-msgstr "Aggiungi Nodo"
+msgstr "Aggiungi Nodo..."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/root_motion_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Filtered Tracks:"
-msgstr "Modifica Filtri"
+msgstr "Modifica Tracce Filtrate:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Enable filtering"
-msgstr "Figlio Modificabile"
+msgstr "Abilita filtraggio"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Toggle Autoplay"
@@ -3988,14 +3924,12 @@ msgid "Remove Animation"
 msgstr "Rimuovi Animazione"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Invalid animation name!"
-msgstr "ERRORE: Nome animazione invalido!"
+msgstr "Nome animazione non valido!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Animation name already exists!"
-msgstr "ERRORE: Il nome dell'animazione esiste già!"
+msgstr "Nome animazione già esistente!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -4019,14 +3953,12 @@ msgid "Duplicate Animation"
 msgstr "Duplica Animazione"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "No animation to copy!"
-msgstr "ERRORE: Nessuna animazione da copiare!"
+msgstr "Nessuna animazione da copiare!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "No animation resource on clipboard!"
-msgstr "ERRORE; Nessuna risorsa animazione nella clipboard!"
+msgstr "Nessuna risorsa di animazione negli appunti!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Pasted Animation"
@@ -4037,9 +3969,8 @@ msgid "Paste Animation"
 msgstr "Incolla Animazione"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "No animation to edit!"
-msgstr "ERRORE: Nessuna animazione da modificare!"
+msgstr "Nessuna animazione da modificare!"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Play selected animation backwards from current pos. (A)"
@@ -4084,14 +4015,12 @@ msgid "New"
 msgstr "Nuovo"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Transitions..."
-msgstr "Modifica Connessioni..."
+msgstr "Modifica Transizioni..."
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Open in Inspector"
-msgstr "Apri nell Editor"
+msgstr "Apri nell'Inspector"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Display list of animations in player."
@@ -4102,12 +4031,13 @@ msgid "Autoplay on Load"
 msgstr "Autoplay al Caricamento"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
+#, fuzzy
 msgid "Onion Skinning"
 msgstr "Onion Skinning"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Enable Onion Skinning"
-msgstr "Attiva Onion Skinning"
+msgstr "Abilita l'Onion Skinning"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Directions"
@@ -4127,7 +4057,7 @@ msgstr "Profondità"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "1 step"
-msgstr "1 Passo"
+msgstr "1 passo"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "2 steps"
@@ -4139,7 +4069,7 @@ msgstr "3 passaggi"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Differences Only"
-msgstr "Solo Differenze"
+msgstr "Solo le Differenze"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Force White Modulate"
@@ -4150,9 +4080,8 @@ msgid "Include Gizmos (3D)"
 msgstr "Includi Gizmo (3D)"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Pin AnimationPlayer"
-msgstr "Incolla Animazione"
+msgstr "Fissa AnimationPlayer"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Create New Animation"
@@ -4183,14 +4112,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Tempi di Blend Cross-Animation"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Modalità Movimento"
+msgstr "Sposta Nodo"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Aggiungi Traduzione"
+msgstr "Aggiungi Transizione"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4198,48 +4125,44 @@ msgid "Add Node"
 msgstr "Aggiungi Nodo"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "End"
-msgstr "Fine(i)"
+msgstr "Fine"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Immediate"
-msgstr ""
+msgstr "Immediato"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Sync"
-msgstr ""
+msgstr "Sincronizza"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "At End"
-msgstr ""
+msgstr "Alla Fine"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Travel"
-msgstr ""
+msgstr "Spostamento"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Start and end nodes are needed for a sub-transition."
-msgstr ""
+msgstr "Per una sotto-transizione sono necessari i nodi di inizio e fine."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "No playback resource set at path: %s."
-msgstr "Non è nel percorso risorse."
+msgstr "Nessuna risorsa di riproduzione impostata sul percorso: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Rimosso:"
+msgstr "Nodo Rimosso"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Nodo Transizione"
+msgstr "Transizione Rimossa"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Imposta Nodo di Partenza (Autoplay)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4247,34 +4170,35 @@ msgid ""
 "RMB to add new nodes.\n"
 "Shift+LMB to create connections."
 msgstr ""
+"Seleziona e muovi i nodi.\n"
+"Tasto destro del mouse per aggiungere nuovi nodi.\n"
+"Shift+Tasto sinistro del mouse per creare connessioni."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Create new nodes."
-msgstr "Crea Nuovo %s"
+msgstr "Crea nuovi nodi."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Connect nodes."
-msgstr "Connetti A Nodo:"
+msgstr "Connetti nodi."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Remove selected node or transition."
-msgstr "Rimuovi traccia selezionata."
+msgstr "Rimuovi il nodo o la transizione selezionati."
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Toggle autoplay this animation on start, restart or seek to zero."
 msgstr ""
+"Attiva/disattiva la riproduzione automatica di questa animazione all'avvio, "
+"riavvio, o il riavvolgimento a zero."
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set the end animation. This is useful for sub-transitions."
-msgstr ""
+msgstr "Assegna l'animazione finale. Questo è utile per le sotto-transizioni."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition: "
-msgstr "Transizione"
+msgstr "Transizione: "
 
 #: editor/plugins/animation_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -4312,7 +4236,7 @@ msgstr "Restart Automatico:"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Restart (s):"
-msgstr "Restart (s):"
+msgstr "Riavvia (s):"
 
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Random Restart (s):"
@@ -4468,14 +4392,12 @@ msgid "Asset Download Error:"
 msgstr "Errore di Download Asset:"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "Downloading (%s / %s)..."
-msgstr "Download in corso"
+msgstr "Download in corso (%s / %s)..."
 
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "Downloading..."
-msgstr "Download in corso"
+msgstr "Download in corso..."
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Resolving..."
@@ -4502,14 +4424,12 @@ msgid "Download for this asset is already in progress!"
 msgstr "Il download per questo asset è già in corso!"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "First"
-msgstr "primo"
+msgstr "Primo"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "Previous"
-msgstr "Scheda precedente"
+msgstr "Precedente"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Next"
@@ -4517,7 +4437,7 @@ msgstr "Successivo"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Last"
-msgstr ""
+msgstr "Ultimo"
 
 #: editor/plugins/asset_library_editor_plugin.cpp
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
@@ -4645,44 +4565,40 @@ msgid "Create new horizontal and vertical guides"
 msgstr "Crea nuove guide orizzontali e verticali"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move pivot"
-msgstr "Perno di Movimento"
+msgstr "Sposta pivot"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Rotate CanvasItem"
-msgstr "Modifica CanvasItem"
+msgstr "Ruota CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move anchor"
-msgstr "Azione di spostamento"
+msgstr "Sposta punto di ancoraggio"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Resize CanvasItem"
-msgstr "Modifica CanvasItem"
+msgstr "Ridimensiona CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Scale CanvasItem"
-msgstr "Modifica CanvasItem"
+msgstr "Scala CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Move CanvasItem"
-msgstr "Modifica CanvasItem"
+msgstr "Sposta CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
-msgstr ""
+msgstr "Preset per i valori di ancoraggio e margini di un nodo Control."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid ""
 "Children of containers have their anchors and margins values overridden by "
 "their parent."
 msgstr ""
+"I figli dei contenitori hanno i loro valori di ancoraggio e margini "
+"sovrascritti dai loro genitori."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Anchors only"
@@ -4705,13 +4621,14 @@ msgid ""
 "Warning: Children of a container get their position and size determined only "
 "by their parent."
 msgstr ""
+"Attenzione: la posizione e le dimensioni dei figli di un contenitore sono "
+"determinati solo dal loro genitore."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
-#, fuzzy
 msgid "Zoom Reset"
-msgstr "Zoom Reset"
+msgstr "Ripristino Zoom"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Select Mode"
@@ -4744,9 +4661,8 @@ msgid "Rotate Mode"
 msgstr "Modalità Rotazione"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Scale Mode"
-msgstr "Modalità Scala (R)"
+msgstr "Modalità Scala"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
@@ -4766,22 +4682,20 @@ msgid "Pan Mode"
 msgstr "Modalità di Pan"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle snapping."
-msgstr "Abilita snapping"
+msgstr "Abilita snapping."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Use Snap"
 msgstr "Usa lo Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Snapping Options"
-msgstr "Opzioni snapping"
+msgstr "Opzioni di Snapping"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to grid"
-msgstr "Allinea alla griglia"
+msgstr "Snap alla griglia"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Use Rotation Snap"
@@ -4802,7 +4716,7 @@ msgstr "Usa Pixel Snap"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Smart snapping"
-msgstr "Snap intelligente"
+msgstr "Snapping intelligente"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to parent"
@@ -4817,9 +4731,8 @@ msgid "Snap to node sides"
 msgstr "Snap sui lati del nodo"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Snap to node center"
-msgstr "Snap su ancora nodo"
+msgstr "Snap al centro del nodo"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Snap to other nodes"
@@ -4848,9 +4761,8 @@ msgid "Restores the object's children's ability to be selected."
 msgstr "Ripristina l'abilità dei figli dell'oggetto di essere selezionati."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Skeleton Options"
-msgstr "Scheletro..."
+msgstr "Opzioni Scheletro"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Bones"
@@ -4866,12 +4778,11 @@ msgstr "Elimina Catena IK"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Make Custom Bone(s) from Node(s)"
-msgstr ""
+msgstr "Crea ossa personalizzate a partire da uno o più nodi"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Clear Custom Bones"
-msgstr "Elimina Ossa"
+msgstr "Cancella Ossa Personalizzate"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
@@ -4884,9 +4795,8 @@ msgid "Show Grid"
 msgstr "Mostra Griglia"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Show Helpers"
-msgstr "Mostra Ossa"
+msgstr "Mostra Guide"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Rulers"
@@ -4906,7 +4816,7 @@ msgstr "Mostra Viewport"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Group And Lock Icons"
-msgstr ""
+msgstr "Mostra Gruppo e Blocca Icone"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Center Selection"
@@ -4921,9 +4831,8 @@ msgid "Layout"
 msgstr "Layout"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Insert keys."
-msgstr "Inserisci Keys"
+msgstr "Inserisci chiavi."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key (Existing Tracks)"
@@ -4980,9 +4889,8 @@ msgstr ""
 "Premi & Trascina + Alt : Cambia tipo del nodo"
 
 #: editor/plugins/collision_polygon_editor_plugin.cpp
-#, fuzzy
 msgid "Create Polygon3D"
-msgstr "Crea Poly"
+msgstr "Crea Polygon3D"
 
 #: editor/plugins/collision_polygon_editor_plugin.cpp
 msgid "Edit Poly"
@@ -4997,9 +4905,8 @@ msgid "Set Handle"
 msgstr "Imposta Maniglia"
 
 #: editor/plugins/cpu_particles_editor_plugin.cpp
-#, fuzzy
 msgid "CPUParticles"
-msgstr "Particelle"
+msgstr "CPUParticles"
 
 #: editor/plugins/cpu_particles_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
@@ -5012,28 +4919,24 @@ msgid "Create Emission Points From Node"
 msgstr "Crea Punti Emissione Da Nodo"
 
 #: editor/plugins/curve_editor_plugin.cpp
-#, fuzzy
 msgid "Flat0"
 msgstr "Flat0"
 
 #: editor/plugins/curve_editor_plugin.cpp
-#, fuzzy
 msgid "Flat1"
 msgstr "Flat1"
 
 #: editor/plugins/curve_editor_plugin.cpp
-#, fuzzy
 msgid "Ease in"
-msgstr "Ease In"
+msgstr "Graduale in ingresso"
 
 #: editor/plugins/curve_editor_plugin.cpp
-#, fuzzy
 msgid "Ease out"
-msgstr "Ease Out"
+msgstr "Graduale in uscita"
 
 #: editor/plugins/curve_editor_plugin.cpp
 msgid "Smoothstep"
-msgstr ""
+msgstr "Graduale"
 
 #: editor/plugins/curve_editor_plugin.cpp
 msgid "Modify Curve Point"
@@ -5072,9 +4975,8 @@ msgid "Remove Curve Point"
 msgstr "Rimuovi Punto"
 
 #: editor/plugins/curve_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Curve Linear Tangent"
-msgstr "Aziona Tangente di Curva Lineare"
+msgstr "Abilita Tangente di Curva Lineare"
 
 #: editor/plugins/curve_editor_plugin.cpp
 msgid "Hold Shift to edit tangents individually"
@@ -5082,11 +4984,11 @@ msgstr "Tenere Premuto Shift per modificare le tangenti singolarmente"
 
 #: editor/plugins/gi_probe_editor_plugin.cpp
 msgid "Bake GI Probe"
-msgstr "Cuoci GI Probe"
+msgstr "Preprocessa GI Probe"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradiente Modificato"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5137,7 +5039,6 @@ msgid "Contained Mesh is not of type ArrayMesh."
 msgstr "La Mesh contenuta non è del tipo ArrayMesh."
 
 #: editor/plugins/mesh_instance_editor_plugin.cpp
-#, fuzzy
 msgid "UV Unwrap failed, mesh may not be manifold?"
 msgstr ""
 "UV Unwrap fallito, la mesh potrebbe non essere congruente (non-manifold)?"
@@ -5344,8 +5245,11 @@ msgid "Create Navigation Polygon"
 msgstr "Crea Poligono di Navigazione"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Generating Visibility Rect"
+msgstr "Generazione del Rect di Visibilità"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
 msgstr "Genera Rect Visibilità"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5363,10 +5267,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Nessun pixel con trasparenza >128 nell'immagine..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Genera Rect Visibilità"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Carica Maschera Emissione"
 
@@ -5376,9 +5276,8 @@ msgstr "Cancella Maschera Emissione"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
-#, fuzzy
 msgid "Convert to CPUParticles"
-msgstr "Converti In Maiuscolo"
+msgstr "Converti in CPUParticles"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
@@ -5455,13 +5354,13 @@ msgid "Generating AABB"
 msgstr "Generando AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Genera AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Genera Visibilità AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Genera AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Rimuovi Punto da Curva"
@@ -5480,9 +5379,8 @@ msgid "Add Point to Curve"
 msgstr "Aggiungi Punto a Curva"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Split Curve"
-msgstr "Chiudi curva"
+msgstr "Dividi Curva"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Move Point in Curve"
@@ -5512,9 +5410,8 @@ msgid "Click: Add Point"
 msgstr "Click: Aggiungi Punto"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Left Click: Split Segment (in curve)"
-msgstr "Spezza Segmento (in curva)"
+msgstr "Click Sinistro: Dividi Segmento (in curva)"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
@@ -5528,7 +5425,7 @@ msgstr "Seleziona Punti di Controllo (Shift+Trascina)"
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
 msgid "Add Point (in empty space)"
-msgstr "Aggiungi Punto (in sapzio vuoto)"
+msgstr "Aggiungi Punto (in spazio vuoto)"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
@@ -5593,28 +5490,25 @@ msgid "Split Segment (in curve)"
 msgstr "Spezza Segmento (in curva)"
 
 #: editor/plugins/physical_bone_plugin.cpp
-#, fuzzy
 msgid "Move joint"
-msgstr "Sposta Punto"
+msgstr "Sposta articolazione"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid ""
 "The skeleton property of the Polygon2D does not point to a Skeleton2D node"
-msgstr ""
+msgstr "La proprietà scheletro del Polygon2D non punta ad un nodo Skeleton2D"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Sync Bones"
-msgstr "Mostra Ossa"
+msgstr "Sincronizza Ossa"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "No texture in this polygon.\n"
 "Set a texture to be able to edit UV."
 msgstr ""
-"Nessuna texture in questo nodo.\n"
-"Imposta una texture per poter modificare la regione."
+"Nessuna texture in questo poligono.\n"
+"Imposta una texture per poter modificare UV."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create UV Map"
@@ -5625,53 +5519,48 @@ msgid ""
 "Polygon 2D has internal vertices, so it can no longer be edited in the "
 "viewport."
 msgstr ""
+"Polygon2D possiede vertici interni, non può più essere modificato dalla "
+"finestra principale."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Polygon & UV"
-msgstr "Crea Poly"
+msgstr "Crea Poligono e UV"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Internal Vertex"
-msgstr "Crea nuova guida orizzontale"
+msgstr "Crea Vertice Interno"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Internal Vertex"
-msgstr "Rimuovi Punto In-Control"
+msgstr "Rimuovi Vertice Interno"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Invalid Polygon (need 3 different vertices)"
-msgstr ""
+msgstr "Poligono Non Valido (sono necessari 3 vertici non coincidenti)"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Add Custom Polygon"
-msgstr "Modifica Poly"
+msgstr "Aggiungi Poligono Personalizzato"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Custom Polygon"
-msgstr "Rimuovi Poligono e Punto"
+msgstr "Rimuovi Poligono Personalizzato"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Transform UV Map"
 msgstr "Trasla UV Map"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Transform Polygon"
-msgstr "Tipo Transform"
+msgstr "Trasforma Poligono"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Paint Bone Weights"
 msgstr ""
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Open Polygon 2D UV editor."
-msgstr "Polygon 2D UV Editor"
+msgstr "Apri editor Poligono 2D UV."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Polygon 2D UV Editor"
@@ -5679,27 +5568,23 @@ msgstr "Polygon 2D UV Editor"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "UV"
-msgstr ""
+msgstr "UV"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Points"
-msgstr "Sposta Punto"
+msgstr "Punti"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Polygons"
-msgstr "Poligono->UV"
+msgstr "Poligoni"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Bones"
-msgstr "Crea Ossa"
+msgstr "Ossa"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Move Points"
-msgstr "Sposta Punto"
+msgstr "Sposta Punti"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Ctrl: Rotate"
@@ -5728,24 +5613,30 @@ msgstr "Scala Poligono"
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create a custom polygon. Enables custom polygon rendering."
 msgstr ""
+"Crea un poligono personalizzato. Abilita il rendering personalizzato dei "
+"poligoni."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid ""
 "Remove a custom polygon. If none remain, custom polygon rendering is "
 "disabled."
 msgstr ""
+"Rimuove un poligono personalizzato. Se non ne rimane nessuno, il rendering "
+"personalizzato dei poligoni è disabilitato."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
+#, fuzzy
 msgid "Paint weights with specified intensity."
-msgstr ""
+msgstr "Colora i pesi con le intensità specificate."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
+#, fuzzy
 msgid "Unpaint weights with specified intensity."
-msgstr ""
+msgstr "Rimuovi i pesi con le intensità specificate."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Radius:"
-msgstr ""
+msgstr "Raggio:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Polygon->UV"
@@ -5760,9 +5651,8 @@ msgid "Clear UV"
 msgstr "Cancella UV"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Settings"
-msgstr "Impostazioni Snap"
+msgstr "Impostazioni Griglia"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 #: editor/plugins/spatial_editor_plugin.cpp
@@ -5778,34 +5668,28 @@ msgid "Grid"
 msgstr "Griglia"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Configure Grid:"
-msgstr "Configura Snap"
+msgstr "Configura Griglia:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Offset X:"
-msgstr "Offset Griglia:"
+msgstr "Offset X Griglia:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Offset Y:"
-msgstr "Offset Griglia:"
+msgstr "Offset Y Griglia:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Step X:"
-msgstr "Step Griglia:"
+msgstr "Step X Griglia:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Step Y:"
-msgstr "Step Griglia:"
+msgstr "Step Y Griglia:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Sync Bones to Polygon"
-msgstr "Scala Poligono"
+msgstr "Sincronizza Ossa a Poligono"
 
 #: editor/plugins/resource_preloader_editor_plugin.cpp
 msgid "ERROR: Couldn't load resource!"
@@ -5859,12 +5743,11 @@ msgstr "Preloader Risorsa"
 
 #: editor/plugins/root_motion_editor_plugin.cpp
 msgid "AnimationTree has no path set to an AnimationPlayer"
-msgstr ""
+msgstr "AnimationTree non ha nessun percorso impostato ad un AnimationPlayer"
 
 #: editor/plugins/root_motion_editor_plugin.cpp
-#, fuzzy
 msgid "Path to AnimationPlayer is invalid"
-msgstr "Animation tree invalido."
+msgstr "Percorso per AnimationPlayer non è valido"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Clear Recent Files"
@@ -5875,59 +5758,48 @@ msgid "Close and save changes?"
 msgstr "Chiudere e salvare i cambiamenti?"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error writing TextFile:"
-msgstr "Errore spostamento file:\n"
+msgstr "Errore scrittura TextFile:"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error: could not load file."
-msgstr "Impossibile caricare l'immagine"
+msgstr "Errore: impossibile caricare il file."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error could not load file."
-msgstr "Impossibile caricare l'immagine"
+msgstr "Errore: impossibile caricare il file."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error saving file!"
-msgstr "Errore di salvataggio TileSet!"
+msgstr "Errore nel salvataggio file!"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error while saving theme."
-msgstr "Errore durante il salvataggio del tema"
+msgstr "Errore durante il salvataggio del tema."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error Saving"
-msgstr "Errore di salvataggio"
+msgstr "Errore di Salvataggio"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error importing theme."
-msgstr "Errore di importazione tema"
+msgstr "Errore di importazione del tema."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error Importing"
-msgstr "Errore di importazione"
+msgstr "Errore di Importazione"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "New TextFile..."
-msgstr "Nuova Cartella..."
+msgstr "Nuovo TextFile..."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Open File"
-msgstr "Apri un File"
+msgstr "Apri File"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Save File As..."
-msgstr "Salva Come..."
+msgstr "Salva File Come..."
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Import Theme"
@@ -5951,12 +5823,11 @@ msgstr " Riferimento di Classe"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Toggle alphabetical sorting of the method list."
-msgstr ""
+msgstr "Ordina in ordine alfabetico la lista dei metodi."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Sort"
-msgstr "Ordina:"
+msgstr "Ordina"
 
 #: editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/script_text_editor.cpp editor/scene_tree_dock.cpp
@@ -5983,9 +5854,8 @@ msgid "File"
 msgstr "File"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Open..."
-msgstr "Apri"
+msgstr "Apri..."
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Save All"
@@ -6000,13 +5870,12 @@ msgid "Copy Script Path"
 msgstr "Copia Percorso Script"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "History Previous"
-msgstr "Cronologia Succ."
+msgstr "Cronologia Precedente"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "History Next"
-msgstr "Cronologia Prec."
+msgstr "Cronologia Successiva"
 
 #: editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/theme_editor_plugin.cpp
@@ -6014,9 +5883,8 @@ msgid "Theme"
 msgstr "Tema"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Import Theme..."
-msgstr "Importa Tema"
+msgstr "Importa Tema..."
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Reload Theme"
@@ -6053,11 +5921,11 @@ msgstr "Trova Successivo"
 
 #: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
 msgid "Step Over"
-msgstr "Step Over"
+msgstr "Passo Successivo"
 
 #: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
 msgid "Step Into"
-msgstr "Step Into"
+msgstr "Passo Precedente"
 
 #: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
 msgid "Break"
@@ -6073,15 +5941,22 @@ msgid "Keep Debugger Open"
 msgstr "Mantieni Debugger Aperto"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Debug with External Editor"
-msgstr "Debug con editor esterno"
+msgstr "Debug con Editor Esterno"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Open Godot online documentation"
 msgstr "Apri la documentazione online di Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Cerca Riferimenti nella documentazione."
 
@@ -6118,37 +5993,32 @@ msgid "Debugger"
 msgstr "Debugger"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Search Results"
-msgstr "Cerca Aiuto"
+msgstr "Cerca Risultati"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Line"
-msgstr "Riga:"
+msgstr "Linea"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "(ignore)"
-msgstr ""
+msgstr "(ignora)"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Go to Function"
-msgstr "Vai a Funzione..."
+msgstr "Vai a Funzione"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Standard"
-msgstr ""
+msgstr "Standard"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Only resources from filesystem can be dropped."
-msgstr "Solo le risorse del filesystem possono essere liberate."
+msgstr "Solo le risorse dal filesystem possono essere eliminate."
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Lookup Symbol"
-msgstr "Completa Simbolo"
+msgstr "Ricerca Simbolo"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Pick Color"
@@ -6172,7 +6042,7 @@ msgstr "Aggiungi maiuscola iniziale"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Syntax Highlighter"
-msgstr ""
+msgstr "Evidenziatore di Sintassi"
 
 #: editor/plugins/script_text_editor.cpp scene/gui/line_edit.cpp
 #: scene/gui/text_edit.cpp
@@ -6225,14 +6095,12 @@ msgid "Trim Trailing Whitespace"
 msgstr "Taglia Spazi in Coda"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Convert Indent to Spaces"
-msgstr "Converti Indentazione In Spazi"
+msgstr "Converti Indentazione in Spazi"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Convert Indent to Tabs"
-msgstr "Converti Indentazione In Tabulazioni"
+msgstr "Converti Indentazione in Tabulazioni"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Auto Indent"
@@ -6248,12 +6116,10 @@ msgid "Remove All Breakpoints"
 msgstr "Rimuovi Tutti i Breakpoints"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Go to Next Breakpoint"
 msgstr "Vai a Breakpoint Successivo"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Go to Previous Breakpoint"
 msgstr "Vai a Breakpoint Precedente"
 
@@ -6262,17 +6128,14 @@ msgid "Find Previous"
 msgstr "Trova Precedente"
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Find in Files..."
-msgstr "Filtra Files..."
+msgstr "Cerca nei File..."
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Go to Function..."
 msgstr "Vai a Funzione..."
 
 #: editor/plugins/script_text_editor.cpp
-#, fuzzy
 msgid "Go to Line..."
 msgstr "Vai a Linea..."
 
@@ -6286,49 +6149,43 @@ msgstr "Shader"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "This skeleton has no bones, create some children Bone2D nodes."
-msgstr ""
+msgstr "Questo scheletro non ha ossa, crea dei figli nodo Bone2D."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Crea Punti Emissione Da Mesh"
+msgstr "Crea Posizione di Riposo dalle Ossa"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Set Rest Pose to Bones"
-msgstr ""
+msgstr "Imposta Ossa in Posizione di Riposo"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Skeleton2D"
-msgstr "Scheletro..."
+msgstr "Skeleton2D"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Make Rest Pose (From Bones)"
-msgstr ""
+msgstr "Crea Posizione di Riposo (Dalle Ossa)"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Set Bones to Rest Pose"
-msgstr ""
+msgstr "Imposta Ossa in Posizione di Riposo"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
-#, fuzzy
 msgid "Create physical bones"
-msgstr "Crea Mesh di Navigazione"
+msgstr "Crea ossa fisiche"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
-#, fuzzy
 msgid "Skeleton"
-msgstr "Scheletro..."
+msgstr "Scheletro"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
-#, fuzzy
 msgid "Create physical skeleton"
-msgstr "Crea Outline"
+msgstr "Crea scheletro fisico"
 
 #: editor/plugins/skeleton_ik_editor_plugin.cpp
-#, fuzzy
 msgid "Play IK"
-msgstr "Play"
+msgstr "Riproduci IK"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Orthogonal"
@@ -6359,9 +6216,8 @@ msgid "View Plane Transform."
 msgstr "Visualizza Tranform del Piano."
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Scaling: "
-msgstr "Scala: "
+msgstr "Scalatura: "
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Translating: "
@@ -6381,7 +6237,7 @@ msgstr "Key d'Animazione Inserito."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Pitch"
-msgstr "Pitch"
+msgstr ""
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Yaw"
@@ -6456,9 +6312,8 @@ msgid "Rear"
 msgstr "Retro"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Allinea a vista"
+msgstr "Allinea alla Vista"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6469,9 +6324,8 @@ msgid "This operation requires a single selected node."
 msgstr "Questa operazione richiede un solo nodo selezionato."
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Lock View Rotation"
-msgstr "Visualizza Informazioni"
+msgstr "Blocca Rotazione Vista"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Display Normal"
@@ -6511,16 +6365,15 @@ msgstr "Risoluzione Dimezzata"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Audio Listener"
-msgstr "Audio Listener"
+msgstr "Listener Audio"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Doppler Enable"
 msgstr "Abilita Doppler"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Cinematic Preview"
-msgstr "Creazione Anteprime Mesh"
+msgstr "Anteprima Cinematografica"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Freelook Left"
@@ -6555,26 +6408,28 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Nota: Il valore di FPS mostrato è relativo al framerate dell'editor.\n"
+"Non può essere usato come indicatore affidabile delle performance durante il "
+"gioco."
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "View Rotation Locked"
-msgstr "Visualizza Informazioni"
+msgstr "Rotazione Vista Bloccata"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "XForm Dialog"
 msgstr "Finestra di XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Allinea alla griglia"
+msgstr "Sposta i Nodi sul Pavimento"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
 msgstr "Modalità di Selezione (Q)"
 
 #: editor/plugins/spatial_editor_plugin.cpp
+#, fuzzy
 msgid ""
 "Drag: Rotate\n"
 "Alt+Drag: Move\n"
@@ -6582,7 +6437,7 @@ msgid ""
 msgstr ""
 "Trascina: Ruota\n"
 "Alt+Trascina: Muovi\n"
-"Alt+RMB: Selezione Lista Profondità"
+"Alt+PDM: Selezione Lista Profondità"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Move Mode (W)"
@@ -6674,11 +6529,11 @@ msgstr "Abilita/Disabilita Vista libera"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Transform"
-msgstr "Transform"
+msgstr "Trasforma"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Snap object to floor"
-msgstr ""
+msgstr "Posa l'oggetto sul suolo"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Transform Dialog..."
@@ -6709,9 +6564,8 @@ msgid "4 Viewports"
 msgstr "4 Viste"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Gizmos"
-msgstr "Visualizza Gizmos"
+msgstr "Gizmos"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Origin"
@@ -6788,54 +6642,49 @@ msgstr "Post"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Nameless gizmo"
-msgstr ""
+msgstr "Gizmo senza nome"
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Sprite is empty!"
-msgstr "Il percorso di salvataggio è vuoto!"
+msgstr "Lo sprite è vuoto!"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Can't convert a sprite using animation frames to mesh."
 msgstr ""
+"Impossibile convertire in una mesh uno sprite che utilizza frame di "
+"animazione."
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Invalid geometry, can't replace by mesh."
-msgstr ""
+msgstr "Geometria non valida, impossibile sostituirla con una mesh."
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Sprite"
-msgstr "Sprite Frames"
+msgstr "Sprite"
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Convert to 2D Mesh"
-msgstr "Converti In..."
+msgstr "Converti in Mesh 2D"
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Create 2D Mesh"
-msgstr "Crea Mesh di Outline"
+msgstr "Crea Mesh 2D"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Simplification: "
-msgstr ""
+msgstr "Semplificazione: "
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Grow (Pixels): "
-msgstr "Snap (Pixels):"
+msgstr "Aumento (Pixels): "
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Update Preview"
-msgstr "Anteprima Atlas"
+msgstr "Aggiorna Anteprima"
 
 #: editor/plugins/sprite_editor_plugin.cpp
-#, fuzzy
 msgid "Settings:"
-msgstr "Impostazioni"
+msgstr "Impostazioni:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "ERROR: Couldn't load frame resource!"
@@ -6866,14 +6715,12 @@ msgid "(empty)"
 msgstr "(vuoto)"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animations:"
-msgstr "Animazioni"
+msgstr "Animazioni:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "New Animation"
-msgstr "Animazione"
+msgstr "Nuova Animazione"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Speed (FPS):"
@@ -6884,9 +6731,8 @@ msgid "Loop"
 msgstr "Loop"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animation Frames:"
-msgstr "Frames Animazione"
+msgstr "Frame Animazione:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Insert Empty (Before)"
@@ -6913,9 +6759,8 @@ msgid "Set Region Rect"
 msgstr "Imposta Region Rect"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
-#, fuzzy
 msgid "Set Margin"
-msgstr "Imposta Maniglia"
+msgstr "Imposta Margine"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Snap Mode:"
@@ -6923,9 +6768,8 @@ msgstr "Modalità Snap:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 #: scene/resources/visual_shader.cpp
-#, fuzzy
 msgid "None"
-msgstr "<Nessuno>"
+msgstr "Nessuno"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Pixel Snap"
@@ -6949,12 +6793,11 @@ msgstr "Step:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Sep.:"
-msgstr ""
+msgstr "Sep.:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
-#, fuzzy
 msgid "TextureRegion"
-msgstr "Regione Texture"
+msgstr "TextureRegion"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Can't save theme to file:"
@@ -6974,7 +6817,7 @@ msgstr "Rimuovi tutti gli elementi"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Remove All"
-msgstr "Rimuovi tutto"
+msgstr "Rimuovi Tutto"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Edit theme..."
@@ -7041,9 +6884,8 @@ msgid "Many"
 msgstr "Molte"
 
 #: editor/plugins/theme_editor_plugin.cpp
-#, fuzzy
 msgid "Has,Many,Options"
-msgstr "Ha, Molte, Diverse, Opzioni!"
+msgstr "Ha,Molte,Opzioni"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Tab 1"
@@ -7082,19 +6924,16 @@ msgid "Constant"
 msgstr "Costante"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Erase Selection"
-msgstr "Cancella selezione"
+msgstr "Cancella Selezione"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Fix Invalid Tiles"
-msgstr "Nome Invalido."
+msgstr "Correggi le Tile non Valide"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cut Selection"
-msgstr "Centra Selezione"
+msgstr "Taglia Selezione"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Paint TileMap"
@@ -7106,21 +6945,19 @@ msgstr "Disegna Linea"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Rectangle Paint"
-msgstr ""
+msgstr "Riempi Rettangolo"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Bucket Fill"
-msgstr "Secchiello"
+msgstr "Riempimento"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Erase TileMap"
 msgstr "Cancella TileMap"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Find Tile"
-msgstr "Trova tile"
+msgstr "Trova Tile"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Transpose"
@@ -7143,42 +6980,36 @@ msgid "Pick Tile"
 msgstr "Preleva Tile"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Copy Selection"
-msgstr "Rimuovi Selezione"
+msgstr "Copia Selezione"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Rotate left"
-msgstr "Modalità Rotazione"
+msgstr "Ruota a sinistra"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Rotate right"
-msgstr "Sposta a Destra"
+msgstr "Ruota a destra"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Flip horizontally"
-msgstr ""
+msgstr "Ribalta in orizzontale"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Flip vertically"
-msgstr ""
+msgstr "Ribalta in verticale"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clear transform"
-msgstr "Transform"
+msgstr "Cancella la trasformazione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Add Texture(s) to TileSet."
-msgstr "Aggiungi Nodo(i) Da Albero"
+msgstr "Aggiungi Texture al TileSet."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove selected Texture from TileSet."
-msgstr "Rimuovi Punto Percorso"
+msgstr "Rimuovi la Texture selezionata dal TileSet."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create from Scene"
@@ -7189,28 +7020,40 @@ msgid "Merge from Scene"
 msgstr "Unisci da Scena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Prossima Coordinata"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Seleziona la prossima forma, sottotile, o Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordinata Precedente"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Seleziona la precedente forma, sottotile, o Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
-msgstr ""
+msgstr "Copia bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Paste bitmask."
-msgstr "Incolla Animazione"
+msgstr "Incolla bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Erase bitmask."
-msgstr "RMB: Elimina Punto."
+msgstr "Cancella bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Crea Nuovo %s"
+msgstr "Crea un nuovo rettangolo."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new polygon."
-msgstr "Crea un nuovo poligono dal nulla."
+msgstr "Crea un nuovo poligono."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Keep polygon inside region Rect."
@@ -7218,37 +7061,39 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Enable snap and show grid (configurable via the Inspector)."
-msgstr ""
+msgstr "Abilita snap e mostra la griglia (configurabile dall'Inspector)."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Display Tile Names (Hold Alt Key)"
-msgstr ""
+msgstr "Mostra i Nomi delle Tile (Tenere Premuto Tasto Alt)"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove selected texture? This will remove all tiles which use it."
-msgstr "Rimuovi Punto Percorso"
+msgstr ""
+"Rimuovere la texture selezionata? Questo rimuoverà tutte le tile che la "
+"usano."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "You haven't selected a texture to remove."
-msgstr "Non hai selezionato una texture da rimuovere."
+msgstr "Non hai selezionato nessuna texture da rimuovere."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create from scene? This will overwrite all current tiles."
-msgstr ""
+msgstr "Creare dalla scena? Questo sovrascriverà tutte le tile correnti."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Merge from scene?"
 msgstr "Unisci da scena?"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Texture"
-msgstr "Rimuovi Template"
+msgstr "Rimuovi Texture"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "%s file(s) were not added because was already on the list."
 msgstr ""
+"Il(I) file %s non è(sono) stato(i) aggiunto(i) perché è già presente già "
+"nella lista."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7259,27 +7104,29 @@ msgstr ""
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Delete selected Rect."
-msgstr "Eliminare i file selezionati?"
+msgstr "Cancella il ret. selezionato."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "Select current edited sub-tile.\n"
 "Click on another Tile to edit it."
-msgstr "Salva la risorsa in modifica."
+msgstr ""
+"Seleziona la sottotile corrente modificata.\n"
+"Clicca su un'altra Tile per modificarla."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Delete polygon."
-msgstr "Elimina Punti"
+msgstr "Elimina poligono."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "LMB: Set bit on.\n"
 "RMB: Set bit off.\n"
 "Click on another Tile to edit it."
-msgstr "Salva la risorsa in modifica."
+msgstr ""
+"Tasto Sinistro Mouse: Imposta bit on.\n"
+"Tasto Destro Mouse: Imposta bit off.\n"
+"Clicca su un'altra Tile per modificarla."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7287,172 +7134,161 @@ msgid ""
 "bindings.\n"
 "Click on another Tile to edit it."
 msgstr ""
+"Selezionare la sottotile da usare come icona, questa sarà utilizzata anche "
+"per i binding delle sottotile non validi.\n"
+"Cliccare su un'altra Tile per modificarla."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
 "Select sub-tile to change its priority.\n"
 "Click on another Tile to edit it."
 msgstr ""
+"Seleziona la sottotile per modificare la sua priorità.\n"
+"Clicca su un'altra Tile per modificarla."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "Select sub-tile to change its z index.\n"
 "Click on another Tile to edit it."
-msgstr "Salva la risorsa in modifica."
+msgstr ""
+"Seleziona la sottotile per cambiare il suo indice z.\n"
+"Clicca su un'altra Tile per modificarla."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Set Tile Region"
-msgstr "Imposta Region Rect"
+msgstr "Imposta Regione Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Tile"
-msgstr "Crea Cartella"
+msgstr "Crea Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Set Tile Icon"
-msgstr ""
+msgstr "Imposta Icona Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Tile Bitmask"
-msgstr "Modifica Filtri"
+msgstr "Modifica Bitmask Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Collision Polygon"
-msgstr "Modifica poligono esistente:"
+msgstr "Modifica Poligono di Collisione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Occlusion Polygon"
-msgstr "Modifica Poly"
+msgstr "Modifica Poligono di Occlusione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Navigation Polygon"
-msgstr "Crea Poligono di Navigazione"
+msgstr "Modifica Poligono di Navigazione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Paste Tile Bitmask"
-msgstr "Incolla Animazione"
+msgstr "Incolla Bitmask Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Clear Tile Bitmask"
-msgstr ""
+msgstr "Cancella Bitmask Tile"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Rendi il Poligono Concavo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Rendi il Poligono Convesso"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Tile"
-msgstr "Rimuovi Template"
+msgstr "Rimuovi Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Collision Polygon"
-msgstr "Rimuovi Poligono e Punto"
+msgstr "Rimuovi Poligono di Collisione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Occlusion Polygon"
-msgstr "Crea Poligono di occlusione"
+msgstr "Rimuovi Poligono di Occlusione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Navigation Polygon"
-msgstr "Crea Poligono di Navigazione"
+msgstr "Rimuovi Poligono di Navigazione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Tile Priority"
-msgstr "Modifica Filtri"
+msgstr "Modifica Priorità Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Edit Tile Z Index"
-msgstr ""
+msgstr "Modifica Indice Z della Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Collision Polygon"
-msgstr "Crea Poligono di Navigazione"
+msgstr "Crea Poligono di Collisione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Occlusion Polygon"
-msgstr "Crea Poligono di occlusione"
+msgstr "Crea Poligono di Occlusione"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "This property can't be changed."
-msgstr "Questa operazione non può essere eseguita senza una scena."
+msgstr "Questa proprietà non può essere cambiata."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "TileSet"
 msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Imposta Nome Uniforme"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Imposta come Default per '%s'"
+msgstr "Imposta Porta Input di Default"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "Shader"
+msgstr "Aggiungi Nodo a Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Duplica Nodo(i)"
+msgstr "Duplica Nodi"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Tipo di Input Visual Shader Cambiato"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Vertex"
-msgstr "Vertici"
+msgstr "Vertice"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Fragment"
 msgstr "Frammento"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Light"
-msgstr "Destra"
+msgstr "Luce"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "VisualShader"
-msgstr "Shader"
+msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Modifica Filtri"
+msgstr "Modifica Proprietà Visive"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Cambiamenti delle Shader"
+msgstr "Modalità Visual Shader Cambiata"
 
 #: editor/project_export.cpp
 msgid "Runnable"
 msgstr "Eseguibile"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Delete patch '%s' from list?"
-msgstr "Elimina patch '"
+msgstr "Eliminare patch '%s' dalla lista?"
 
 #: editor/project_export.cpp
 msgid "Delete preset '%s'?"
@@ -7463,6 +7299,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Impossibile esportare il progetto per la piattaforma '%s'.\n"
+"I template di esportazione sembrano essere mancanti o non validi."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7470,21 +7308,26 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Impossibile esportare il progetto per la piattaforma '%s'.\n"
+"Questo potrebbe essere dovuto ad un problema di configurazione nel preset di "
+"esportazione o nelle impostazioni di esportazione."
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Release"
-msgstr "appena rilasciato"
+msgstr "Rilascio"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Exporting All"
-msgstr "Esportando per %s"
+msgstr "Esportando Tutto"
+
+#: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Il percorso di esportazione specificato non esiste:"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Export templates for this platform are missing/corrupted:"
-msgstr "Le export templates per questa piattaforma sono mancanti:"
+msgstr ""
+"I template di esportazione per questa piattaforma sono mancanti/corrotti:"
 
 #: editor/project_export.cpp
 msgid "Presets"
@@ -7495,9 +7338,8 @@ msgid "Add..."
 msgstr "Aggiungi..."
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Export Path"
-msgstr "Preset Esportazione:"
+msgstr "Percorso di Esportazione"
 
 #: editor/project_export.cpp
 msgid "Resources"
@@ -7546,23 +7388,20 @@ msgid "Make Patch"
 msgstr "Crea Patch"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Features"
-msgstr "Texture"
+msgstr "Funzionalità"
 
 #: editor/project_export.cpp
 msgid "Custom (comma-separated):"
 msgstr "Personalizzato (separati da virgola):"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Feature List:"
-msgstr "Lista Metodi:"
+msgstr "Lista di Funzionalità:"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Script"
-msgstr "Nuovo Script"
+msgstr "Script"
 
 #: editor/project_export.cpp
 msgid "Script Export Mode:"
@@ -7582,7 +7421,7 @@ msgstr "Criptato (Fornisci la Chiave Sotto)"
 
 #: editor/project_export.cpp
 msgid "Invalid Encryption Key (must be 64 characters long)"
-msgstr ""
+msgstr "Chiave Crittografica non Valida (deve essere lunga 64 caratteri)"
 
 #: editor/project_export.cpp
 msgid "Script Encryption Key (256-bits as hex):"
@@ -7593,14 +7432,12 @@ msgid "Export PCK/Zip"
 msgstr "Esporta PCK/Zip"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Export mode?"
-msgstr "Modalità d'Esportazione:"
+msgstr "Modalità di esportazione?"
 
 #: editor/project_export.cpp
-#, fuzzy
 msgid "Export All"
-msgstr "Esporta"
+msgstr "Esporta Tutto"
 
 #: editor/project_export.cpp
 msgid "Export templates for this platform are missing:"
@@ -7611,47 +7448,41 @@ msgid "Export With Debug"
 msgstr "Esporta Con Debug"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "The path does not exist."
-msgstr "File non esistente."
+msgstr "Percorso non esistente."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Invalid '.zip' project file, does not contain a 'project.godot' file."
 msgstr ""
-"Per favore seleziona una cartella che non contiene un file 'project.godot'."
+"File di progetto '.zip' non valido, non contiene un file 'project.godot'."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Please choose an empty folder."
-msgstr "Si prega di esportare al di fuori della cartella del progetto!"
+msgstr "Si prega di scegliere una cartella vuota."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Please choose a 'project.godot' or '.zip' file."
-msgstr "Si prega di esportare al di fuori della cartella del progetto!"
+msgstr "Si prega di scegliere un file 'project.godot' o '.zip'."
 
 #: editor/project_manager.cpp
 msgid "Directory already contains a Godot project."
-msgstr ""
+msgstr "La Cartella contiene già un progetto di Godot."
 
 #: editor/project_manager.cpp
 msgid "Imported Project"
 msgstr "Progetto Importato"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Invalid Project Name."
-msgstr "Nome Progetto:"
+msgstr "Nome Progetto non Valido."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Couldn't create folder."
-msgstr "Impossibile creare cartella."
+msgstr "Impossibile creare la cartella."
 
 #: editor/project_manager.cpp
 msgid "There is already a folder in this path with the specified name."
-msgstr ""
+msgstr "Esiste già una cartella in questo percorso con il nome specificato."
 
 #: editor/project_manager.cpp
 msgid "It would be a good idea to name your project."
@@ -7662,16 +7493,16 @@ msgid "Invalid project path (changed anything?)."
 msgstr "Percorso di progetto invalido (cambiato qualcosa?)."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid ""
 "Couldn't load project.godot in project path (error %d). It may be missing or "
 "corrupted."
-msgstr "Impossibile creare project.godot nel percorso di progetto."
+msgstr ""
+"Impossibile caricare project.godot nel percorso del progetto (errore %d). "
+"Può essere mancante o corrotto."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Couldn't edit project.godot in project path."
-msgstr "Impossibile creare project.godot nel percorso di progetto."
+msgstr "Impossibile modificare project.godot nel percorso di progetto."
 
 #: editor/project_manager.cpp
 msgid "Couldn't create project.godot in project path."
@@ -7682,9 +7513,8 @@ msgid "The following files failed extraction from package:"
 msgstr "Impossibile estrarre i file seguenti dal pacchetto:"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Rename Project"
-msgstr "Progetto Senza Nome"
+msgstr "Rinomina progetto"
 
 #: editor/project_manager.cpp
 msgid "New Game Project"
@@ -7695,34 +7525,30 @@ msgid "Import Existing Project"
 msgstr "Importa Progetto Esistente"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Import & Edit"
-msgstr "Importa e Apri"
+msgstr "Importa & Modifica"
 
 #: editor/project_manager.cpp
 msgid "Create New Project"
 msgstr "Crea Nuovo Progetto"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Create & Edit"
-msgstr "Crea Emitter"
+msgstr "Crea & Modifica"
 
 #: editor/project_manager.cpp
 msgid "Install Project:"
 msgstr "Installa Progetto:"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Install & Edit"
-msgstr "Installa"
+msgstr "Installa & Modifica"
 
 #: editor/project_manager.cpp
 msgid "Project Name:"
 msgstr "Nome Progetto:"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Create folder"
 msgstr "Crea Cartella"
 
@@ -7731,9 +7557,8 @@ msgid "Project Path:"
 msgstr "Percorso Progetto:"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Project Installation Path:"
-msgstr "Percorso Progetto:"
+msgstr "Percorso Progetto di Installazione:"
 
 #: editor/project_manager.cpp
 msgid "Browse"
@@ -7741,11 +7566,11 @@ msgstr "Sfoglia"
 
 #: editor/project_manager.cpp
 msgid "Renderer:"
-msgstr ""
+msgstr "Renderer:"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 3.0"
-msgstr ""
+msgstr "OpenGL ES 3.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7754,10 +7579,14 @@ msgid ""
 "Incompatible with older hardware\n"
 "Not recommended for web games"
 msgstr ""
+"Qualità visiva migliore\n"
+"Tutte le funzionalità disponibili\n"
+"Incompatibile con vecchi hardware\n"
+"Non consigliato per giochi web"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 2.0"
-msgstr ""
+msgstr "OpenGL ES 2.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7766,19 +7595,24 @@ msgid ""
 "Works on most hardware\n"
 "Recommended for web games"
 msgstr ""
+"Qualità visiva inferiore\n"
+"Alcune funzionalità non disponibili\n"
+"Funziona sulla maggior parte degli hardware\n"
+"Raccomandato per giochi web"
 
 #: editor/project_manager.cpp
 msgid "Renderer can be changed later, but scenes may need to be adjusted."
 msgstr ""
+"Il renderer può essere cambiato in seguito, ma potrebbe essere necessario "
+"regolare le scene."
 
 #: editor/project_manager.cpp
 msgid "Unnamed Project"
 msgstr "Progetto Senza Nome"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Can't open project at '%s'."
-msgstr "Impossibile connettersi."
+msgstr "Impossibile aprire il progetto a '%s'."
 
 #: editor/project_manager.cpp
 msgid "Are you sure to open more than one project?"
@@ -7796,6 +7630,15 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Il seguente file delle impostazioni del progetto non specifica la versione "
+"di Godot attraverso cui è stato creato.\n"
+"\n"
+"%s\n"
+"\n"
+"Se si procede con l'apertura, verrà convertito nel formato di file di "
+"configurazione corrente di Godot.\n"
+"Attenzione: Non sarà più possibile aprire il progetto con versioni "
+"precedenti del motore."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7808,23 +7651,33 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Il seguente file delle impostazioni del progetto è stato generato da una "
+"versione precedente del motore e deve essere convertito per questa "
+"versione:\n"
+"\n"
+"%s\n"
+"\n"
+"Vuoi convertirlo?\n"
+"Attenzione: Non sarà più possibile aprire il progetto con versioni "
+"precedenti del motore."
 
 #: editor/project_manager.cpp
 msgid ""
 "The project settings were created by a newer engine version, whose settings "
 "are not compatible with this version."
 msgstr ""
+"Le impostazioni del progetto sono state create da una versione più recente "
+"del motore, le cui impostazioni non sono compatibili con questa versione."
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid ""
 "Can't run project: no main scene defined.\n"
 "Please edit the project and set the main scene in \"Project Settings\" under "
 "the \"Application\" category."
 msgstr ""
-"Nessuna scena principale è stata definita, selezionarne una?\n"
-"Puoi cambiarla successivamente da \"Impostazioni Progetto\" sotto la "
-"categoria 'applicazioni'."
+"Non è possibile eseguire il progetto: nessuna scena principale definita.\n"
+"Si prega di modificare il progetto e impostare la scena principale in "
+"\"Impostazioni Progetto\" nella categoria \"Applicazione\"."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7888,23 +7741,20 @@ msgid "Exit"
 msgstr "Esci"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Restart Now"
-msgstr "Restart (s):"
+msgstr "Riavvia Ora"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Can't run project"
-msgstr "Impossibile connettersi."
+msgstr "Impossibile eseguire il progetto"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid ""
 "You don't currently have any projects.\n"
 "Would you like to explore the official example projects in the Asset Library?"
 msgstr ""
 "Al momento non hai alcun progetto.\n"
-"Ti piacerebbe esplorare gli esempi ufficiali nella libreria delle Risorse?"
+"Ti piacerebbe esplorare gli esempi ufficiali nella Libreria delle Risorse?"
 
 #: editor/project_settings_editor.cpp
 msgid "Key "
@@ -7927,6 +7777,8 @@ msgid ""
 "Invalid action name. it cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'"
 msgstr ""
+"Nome dell'azione non valido. Non può essere vuoto o contenere '/', ':', '=', "
+"'\\' oppure '\"'"
 
 #: editor/project_settings_editor.cpp
 msgid "Action '%s' already exists!"
@@ -7937,18 +7789,16 @@ msgid "Rename Input Action Event"
 msgstr "Rinomina Evento di Azione Input"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Change Action deadzone"
-msgstr "Cambia Nome Animazione:"
+msgstr ""
 
 #: editor/project_settings_editor.cpp
 msgid "Add Input Action Event"
 msgstr "Aggiungi Evento di Azione Input"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "All Devices"
-msgstr "Dispositivo"
+msgstr "Tutti i Dispositivi"
 
 #: editor/project_settings_editor.cpp
 msgid "Device"
@@ -7995,24 +7845,20 @@ msgid "Wheel Down Button"
 msgstr "Pulsante Rotellina Giù"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Wheel Left Button"
-msgstr "Pulsante Rotellina Su"
+msgstr "Pulsante Sinistro della Rotellina"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Wheel Right Button"
-msgstr "Pulsante Destro"
+msgstr "Pulsante Destro della Rotellina"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "X Button 1"
-msgstr "Pulsante 6"
+msgstr "Tasto X 1"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "X Button 2"
-msgstr "Pulsante 6"
+msgstr "Tasto X 2"
 
 #: editor/project_settings_editor.cpp
 msgid "Joypad Axis Index:"
@@ -8027,9 +7873,8 @@ msgid "Joypad Button Index:"
 msgstr "Indice Pulsante Joypad:"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Erase Input Action"
-msgstr "Elimina Evento di Azione Input"
+msgstr "Cancella Azione di Input"
 
 #: editor/project_settings_editor.cpp
 msgid "Erase Input Action Event"
@@ -8041,7 +7886,7 @@ msgstr "Aggiungi Evento"
 
 #: editor/project_settings_editor.cpp
 msgid "Button"
-msgstr "Bottone"
+msgstr "Pulsante"
 
 #: editor/project_settings_editor.cpp
 msgid "Left Button."
@@ -8064,38 +7909,36 @@ msgid "Wheel Down."
 msgstr "Rotellina Giù."
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Add Global Property"
-msgstr "Aggiungi Proprietà Getter"
+msgstr "Aggiungi Proprietà Globale"
 
 #: editor/project_settings_editor.cpp
 msgid "Select a setting item first!"
 msgstr "Prima seleziona un oggetto di impostazione!"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "No property '%s' exists."
-msgstr "Proprietà:"
+msgstr "Non esiste nessuna proprietà '%s'."
 
 #: editor/project_settings_editor.cpp
 msgid "Setting '%s' is internal, and it can't be deleted."
 msgstr "L'impostazione '%s' è interna e non può essere rimossa."
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Delete Item"
-msgstr "Elimina Input"
+msgstr "Elimina Elemento"
 
 #: editor/project_settings_editor.cpp
 msgid ""
 "Invalid action name. It cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'."
 msgstr ""
+"Nome azione non valida. Non può essere vuoto né contenere '/', ':', '=', "
+"'\\' o '\"'."
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Already existing"
-msgstr "Attiva Persistenza"
+msgstr "Già esistente"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Input Action"
@@ -8142,9 +7985,8 @@ msgid "Remove Resource Remap Option"
 msgstr "Rimuovi Opzione di Remap Rimorse"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Changed Locale Filter"
-msgstr "Cambia tempo di Blend"
+msgstr ""
 
 #: editor/project_settings_editor.cpp
 msgid "Changed Locale Filter Mode"
@@ -8164,7 +8006,7 @@ msgstr "Sovrascrivi Per..."
 
 #: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
 msgid "Editor must be restarted for changes to take effect"
-msgstr ""
+msgstr "Per rendere effettive le modifiche è necessario un riavvio dell'editor"
 
 #: editor/project_settings_editor.cpp
 msgid "Input Map"
@@ -8219,28 +8061,24 @@ msgid "Locale"
 msgstr "Locale"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Locales Filter"
-msgstr "Filtro Immagine:"
+msgstr ""
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Show all locales"
-msgstr "Mostra Ossa"
+msgstr "Mostra tutte le lingue"
 
 #: editor/project_settings_editor.cpp
 msgid "Show only selected locales"
 msgstr "Mostra solo le lingue selezionate"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Filter mode:"
-msgstr "Filtri"
+msgstr "Modalità di filtro:"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Locales:"
-msgstr "Locale"
+msgstr "Lingue:"
 
 #: editor/project_settings_editor.cpp
 msgid "AutoLoad"
@@ -8279,9 +8117,8 @@ msgid "Assign"
 msgstr "Assegna"
 
 #: editor/property_editor.cpp
-#, fuzzy
 msgid "Select Node"
-msgstr "Scegli un Nodo"
+msgstr "Seleziona Nodo"
 
 #: editor/property_editor.cpp
 msgid "Error loading file: Not a resource!"
@@ -8300,9 +8137,8 @@ msgid "Select Property"
 msgstr "Seleziona Proprietà"
 
 #: editor/property_selector.cpp
-#, fuzzy
 msgid "Select Virtual Method"
-msgstr "Seleziona Metodo"
+msgstr "Seleziona il Metodo Virtuale"
 
 #: editor/property_selector.cpp
 msgid "Select Method"
@@ -8317,97 +8153,92 @@ msgid "Can't load back converted image using PVRTC tool:"
 msgstr "Impossibile ricaricare l'immagine convertita usando il tool PVRTC:"
 
 #: editor/rename_dialog.cpp editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Batch Rename"
-msgstr "Rinomina"
+msgstr "Rinomina in Blocco"
 
 #: editor/rename_dialog.cpp
 msgid "Prefix"
-msgstr ""
+msgstr "Prefisso"
 
 #: editor/rename_dialog.cpp
 msgid "Suffix"
-msgstr ""
+msgstr "Suffisso"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Advanced options"
-msgstr "Opzioni snapping"
+msgstr "Opzioni avanzate"
 
 #: editor/rename_dialog.cpp
 msgid "Substitute"
-msgstr ""
+msgstr "Sostituto"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Node name"
-msgstr "Nome Nodo:"
+msgstr "Nome nodo"
 
 #: editor/rename_dialog.cpp
 msgid "Node's parent name, if available"
-msgstr ""
+msgstr "Nome del genitore del Nodo, se disponibile"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Node type"
-msgstr "Trova Tipo Nodo"
+msgstr "Tipo di nodo"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Current scene name"
-msgstr "Scena Corrente"
+msgstr "Nome della scena corrente"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Root node name"
-msgstr "Nome Nodo di Root:"
+msgstr "Nome del nodo radice"
 
 #: editor/rename_dialog.cpp
 msgid ""
 "Sequential integer counter.\n"
 "Compare counter options."
 msgstr ""
+"Contatore di numeri interi sequenziale.\n"
+"Confronta le opzioni del contatore."
 
 #: editor/rename_dialog.cpp
 msgid "Per Level counter"
-msgstr ""
+msgstr "Contatore per Livello"
 
 #: editor/rename_dialog.cpp
 msgid "If set the counter restarts for each group of child nodes"
-msgstr ""
+msgstr "Se impostato, il contatore si riavvia per ogni gruppo di nodi figlio"
 
 #: editor/rename_dialog.cpp
 msgid "Initial value for the counter"
-msgstr ""
+msgstr "Valore iniziale per il contatore"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Step"
-msgstr "Step:"
+msgstr "Passo"
 
 #: editor/rename_dialog.cpp
 msgid "Amount by which counter is incremented for each node"
-msgstr ""
+msgstr "Importo di cui il contatore viene incrementato per ogni nodo"
 
 #: editor/rename_dialog.cpp
 msgid "Padding"
-msgstr ""
+msgstr "Padding"
 
 #: editor/rename_dialog.cpp
 msgid ""
 "Minimum number of digits for the counter.\n"
 "Missing digits are padded with leading zeros."
 msgstr ""
+"Numero minimo di cifre per il contatore.\n"
+"La cifre mancanti vengono riempite con zeri iniziali."
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Regular Expressions"
-msgstr "Cambia Espressione"
+msgstr "Espressioni Regolari"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Post-Process"
-msgstr "Script di Post-Process:"
+msgstr "Post-Processo"
 
 #: editor/rename_dialog.cpp
 msgid "Keep"
@@ -8415,30 +8246,27 @@ msgstr "Mantieni"
 
 #: editor/rename_dialog.cpp
 msgid "CamelCase to under_scored"
-msgstr ""
+msgstr "CamelCase a under_score"
 
 #: editor/rename_dialog.cpp
 msgid "under_scored to CamelCase"
-msgstr ""
+msgstr "under_score a CamelCase"
 
 #: editor/rename_dialog.cpp
 msgid "Case"
-msgstr ""
+msgstr "Caso"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "To Lowercase"
-msgstr "Minuscolo"
+msgstr "In Minuscolo"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "To Uppercase"
-msgstr "Maiuscolo"
+msgstr "In Maiuscolo"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Reset"
-msgstr "Resetta Zoom"
+msgstr "Reset"
 
 #: editor/rename_dialog.cpp
 msgid "Error"
@@ -8527,19 +8355,20 @@ msgstr "Duplica Nodo(i)"
 #: editor/scene_tree_dock.cpp
 msgid "Can't reparent nodes in inherited scenes, order of nodes can't change."
 msgstr ""
+"Non è possibile riparentare i nodi nelle scene ereditate, l'ordine dei nodi "
+"non può cambiare."
 
 #: editor/scene_tree_dock.cpp
 msgid "Node must belong to the edited scene to become root."
-msgstr ""
+msgstr "Il nodo deve appartenere alla scena modificata per diventare radice."
 
 #: editor/scene_tree_dock.cpp
 msgid "Instantiated scenes can't become root"
-msgstr ""
+msgstr "Le scene istanziate non possono diventare radice"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Nuova Scena di Root"
+msgstr "Rendi il nodo come Radice"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8562,6 +8391,8 @@ msgid ""
 "Disabling \"editable_instance\" will cause all properties of the node to be "
 "reverted to their default."
 msgstr ""
+"Disabilitando \"editable_instance\" tutte le proprietà del nodo saranno "
+"riportate al loro valore predefinito."
 
 #: editor/scene_tree_dock.cpp
 msgid "Editable Children"
@@ -8576,34 +8407,28 @@ msgid "Make Local"
 msgstr "Rendi Locale"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Nuova Scena di Root"
+msgstr "Nuova Scena Radice"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Create Root Node:"
-msgstr "Crea Nodo"
+msgstr "Crea Nodo Radice:"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "2D Scene"
-msgstr "Scena"
+msgstr "Scena 2D"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "3D Scene"
-msgstr "Scena"
+msgstr "Scena 3D"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "User Interface"
-msgstr "Liberare ereditarietà"
+msgstr "Interfaccia Utente"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Custom Node"
-msgstr "Taglia Nodi"
+msgstr "Nodo Personalizzato"
 
 #: editor/scene_tree_dock.cpp
 msgid "Can't operate on nodes from a foreign scene!"
@@ -8638,18 +8463,16 @@ msgid "Error duplicating scene to save it."
 msgstr "Errore duplicando la scena per salvarla."
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Sub-Resources"
-msgstr "Sub-Risorse:"
+msgstr "Sotto-Risorse"
 
 #: editor/scene_tree_dock.cpp
 msgid "Clear Inheritance"
 msgstr "Liberare ereditarietà"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Open documentation"
-msgstr "Apri la documentazione online di Godot"
+msgstr "Apri la documentazione"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)"
@@ -8664,14 +8487,12 @@ msgid "Change Type"
 msgstr "Cambia Tipo"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Extend Script"
-msgstr "Apri script"
+msgstr "Estendi Script"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make Scene Root"
-msgstr "Nuova Scena di Root"
+msgstr "Rendi Scena Radice"
 
 #: editor/scene_tree_dock.cpp
 msgid "Merge From Scene"
@@ -8710,12 +8531,10 @@ msgid "Clear a script for the selected node."
 msgstr "Svuota uno script per il nodo selezionato."
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Remote"
-msgstr "Rimuovi"
+msgstr "Remoto"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Local"
 msgstr "Locale"
 
@@ -8724,23 +8543,20 @@ msgid "Clear Inheritance? (No Undo!)"
 msgstr "Liberare ereditarietà? (No Undo!)"
 
 #: editor/scene_tree_editor.cpp
-#, fuzzy
 msgid "Toggle Visible"
-msgstr "Abilita Visibilità"
+msgstr "Attiva/Disattiva Visibilità"
 
 #: editor/scene_tree_editor.cpp
 msgid "Node configuration warning:"
 msgstr "Avviso confugurazione nodo:"
 
 #: editor/scene_tree_editor.cpp
-#, fuzzy
 msgid ""
 "Node has connection(s) and group(s).\n"
 "Click to show signals dock."
 msgstr ""
-"Il nodo ha connessioni e gruppi\n"
-"\n"
-"Fai click per mostrare il dock segnali."
+"Il nodo ha connessione(i) e gruppo(i).\n"
+"Fai clic per mostrare i segnali dock."
 
 #: editor/scene_tree_editor.cpp
 msgid ""
@@ -8759,27 +8575,24 @@ msgstr ""
 "Fai click per mostrare il dock gruppi."
 
 #: editor/scene_tree_editor.cpp editor/script_create_dialog.cpp
-#, fuzzy
 msgid "Open Script"
-msgstr "Apri script"
+msgstr "Apri Script"
 
 #: editor/scene_tree_editor.cpp
-#, fuzzy
 msgid ""
 "Node is locked.\n"
 "Click to unlock it."
 msgstr ""
-"Il nodo é bloccato.\n"
-"Fai click per sbloccarlo"
+"Il nodo è bloccato.\n"
+"Fai clic per sbloccarlo."
 
 #: editor/scene_tree_editor.cpp
-#, fuzzy
 msgid ""
 "Children are not selectable.\n"
 "Click to make selectable."
 msgstr ""
 "I figli non sono selezionabili.\n"
-"Fai click per renderli selezionabili"
+"Fai clic per renderli selezionabili."
 
 #: editor/scene_tree_editor.cpp
 msgid "Toggle Visibility"
@@ -8804,18 +8617,16 @@ msgid "Scene Tree (Nodes):"
 msgstr "Scene Tree (Nodi):"
 
 #: editor/scene_tree_editor.cpp
-#, fuzzy
 msgid "Node Configuration Warning!"
-msgstr "Avviso confugurazione nodo:"
+msgstr "Avviso di Configurazione Nodo!"
 
 #: editor/scene_tree_editor.cpp
 msgid "Select a Node"
 msgstr "Scegli un Nodo"
 
 #: editor/script_create_dialog.cpp
-#, fuzzy
 msgid "Error loading template '%s'"
-msgstr "Errore di caricamento immagine:"
+msgstr "Errore caricamento template '%s'"
 
 #: editor/script_create_dialog.cpp
 msgid "Error - Could not create script in filesystem."
@@ -8830,18 +8641,16 @@ msgid "N/A"
 msgstr "N/A"
 
 #: editor/script_create_dialog.cpp
-#, fuzzy
 msgid "Open Script/Choose Location"
-msgstr "Apri Editor Script"
+msgstr "Apri Script/Scegli Posizione"
 
 #: editor/script_create_dialog.cpp
 msgid "Path is empty"
 msgstr "Percorso vuoto"
 
 #: editor/script_create_dialog.cpp
-#, fuzzy
 msgid "Filename is empty"
-msgstr "Il percorso di salvataggio è vuoto!"
+msgstr "Il nome del file è vuoto"
 
 #: editor/script_create_dialog.cpp
 msgid "Path is not local"
@@ -8856,9 +8665,8 @@ msgid "Directory of the same name exists"
 msgstr "Una cartella con lo stesso nome esiste già"
 
 #: editor/script_create_dialog.cpp
-#, fuzzy
 msgid "File exists, will be reused"
-msgstr "File Esistente, Sovrascrivere?"
+msgstr "Il file esiste, sarà riutilizzato"
 
 #: editor/script_create_dialog.cpp
 msgid "Invalid extension"
@@ -8925,18 +8733,16 @@ msgid "Attach Node Script"
 msgstr "Allega Script Nodo"
 
 #: editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Remote "
-msgstr "Rimuovi"
+msgstr "Remoto "
 
 #: editor/script_editor_debugger.cpp
 msgid "Bytes:"
 msgstr "Bytes:"
 
 #: editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Stack Trace"
-msgstr "Impila Frame"
+msgstr "Analisi dello stack"
 
 #: editor/script_editor_debugger.cpp
 msgid "Pick one or more items from the list to display the graph."
@@ -8951,9 +8757,8 @@ msgid "Child Process Connected"
 msgstr "Processo Figlio Connesso"
 
 #: editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Copy Error"
-msgstr "Carica Errori"
+msgstr "Errore di Copia"
 
 #: editor/script_editor_debugger.cpp
 msgid "Inspect Previous Instance"
@@ -8997,7 +8802,7 @@ msgstr "Mem Video"
 
 #: editor/script_editor_debugger.cpp
 msgid "Resource Path"
-msgstr "Percorso Risosa"
+msgstr "Percorso Risorsa"
 
 #: editor/script_editor_debugger.cpp
 msgid "Type"
@@ -9032,19 +8837,16 @@ msgid "Set From Tree"
 msgstr "Imposta da Tree"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Ease Out"
+msgstr "Cancella Scorciatoia"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Scorciatoie"
+msgstr "Ripristina Scorciatoia"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Cambia Ancore"
+msgstr "Cambia Scorciatoia"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -9052,7 +8854,7 @@ msgstr "Scorciatoie"
 
 #: editor/settings_config_dialog.cpp
 msgid "Binding"
-msgstr ""
+msgstr "Associazione"
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Light Radius"
@@ -9071,9 +8873,8 @@ msgid "Change Camera Size"
 msgstr "Cambia dimensione Telecamera"
 
 #: editor/spatial_editor_gizmos.cpp
-#, fuzzy
 msgid "Change Notifier AABB"
-msgstr "Cambia Estensione di Notifier"
+msgstr ""
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Particles AABB"
@@ -9100,88 +8901,76 @@ msgid "Change Capsule Shape Height"
 msgstr "Cambia Altezza Capsule Shape"
 
 #: editor/spatial_editor_gizmos.cpp
-#, fuzzy
 msgid "Change Cylinder Shape Radius"
-msgstr "Cambia Raggio Capsule Shape"
+msgstr "Modifica Raggio di Forma del Cilindro"
 
 #: editor/spatial_editor_gizmos.cpp
-#, fuzzy
 msgid "Change Cylinder Shape Height"
-msgstr "Cambia Altezza Capsule Shape"
+msgstr "Modifica Altezza di Forma del Cilindro"
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Ray Shape Length"
 msgstr "Cambia lunghezza Ray Shape"
 
 #: modules/csg/csg_gizmos.cpp
-#, fuzzy
 msgid "Change Cylinder Radius"
-msgstr "Cambia Raggio Luce"
+msgstr "Modifica Raggio del Cilindro"
 
 #: modules/csg/csg_gizmos.cpp
-#, fuzzy
 msgid "Change Cylinder Height"
-msgstr "Cambia Altezza Capsule Shape"
+msgstr "Modifica Altezza del Cilindro"
 
 #: modules/csg/csg_gizmos.cpp
-#, fuzzy
 msgid "Change Torus Inner Radius"
-msgstr "Cambia Raggio di Sphere Shape"
+msgstr "Modifica Raggio Interno del Toroide"
 
 #: modules/csg/csg_gizmos.cpp
-#, fuzzy
 msgid "Change Torus Outer Radius"
-msgstr "Cambia Raggio Luce"
+msgstr "Modifica Raggio Esterno del Toroide"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Select the dynamic library for this entry"
-msgstr ""
+msgstr "Selezionare la libreria dinamica per questa voce"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Select dependencies of the library for this entry"
-msgstr ""
+msgstr "Selezionare le dipendenze della libreria per questa voce"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
-#, fuzzy
 msgid "Remove current entry"
-msgstr "Rimuovi Punto Percorso"
+msgstr "Rimuovi la voce corrente"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Double click to create a new entry"
-msgstr ""
+msgstr "Fai doppio clic per creare una nuova voce"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Platform:"
-msgstr ""
+msgstr "Piattaforma:"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
-#, fuzzy
 msgid "Platform"
-msgstr "Copia A Piattaforma..."
+msgstr "Piattaforma"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
-#, fuzzy
 msgid "Dynamic Library"
-msgstr "MeshLibrary..."
+msgstr "Libreria Dinamica"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Add an architecture entry"
-msgstr ""
+msgstr "Aggiungere una voce di architettura"
 
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
-#, fuzzy
 msgid "GDNativeLibrary"
-msgstr "GDNative"
+msgstr "GDNativeLibrary"
 
 #: modules/gdnative/gdnative_library_singleton_editor.cpp
-#, fuzzy
 msgid "Library"
-msgstr "MeshLibrary..."
+msgstr "Libreria"
 
 #: modules/gdnative/gdnative_library_singleton_editor.cpp
-#, fuzzy
 msgid "Status"
-msgstr "Stato:"
+msgstr "Stato"
 
 #: modules/gdnative/gdnative_library_singleton_editor.cpp
 msgid "Libraries: "
@@ -9192,9 +8981,8 @@ msgid "GDNative"
 msgstr "GDNative"
 
 #: modules/gdscript/gdscript_functions.cpp
-#, fuzzy
 msgid "Step argument is zero!"
-msgstr "step argument è zero!"
+msgstr "L'argomento del passo è zero!"
 
 #: modules/gdscript/gdscript_functions.cpp
 msgid "Not a script with an instance"
@@ -9230,76 +9018,64 @@ msgid "Object can't provide a length."
 msgstr "L'oggetto non può fornire una lunghezza."
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Next Plane"
-msgstr "Scheda successiva"
+msgstr "Piano Successivo"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Previous Plane"
-msgstr "Scheda precedente"
+msgstr "Piano Precedente"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Plane:"
-msgstr ""
+msgstr "Piano:"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Next Floor"
 msgstr "Prossimo Piano"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Previous Floor"
-msgstr "Scheda precedente"
+msgstr "Piano Precedente"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Floor:"
-msgstr "Piano:"
+msgstr "Pavimento:"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Delete Selection"
-msgstr "Elimina selezionati"
+msgstr "GridMap Elimina Selezione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Fill Selection"
-msgstr "Elimina selezionati"
+msgstr "GridMap Riempi Selezione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Duplicate Selection"
-msgstr "Duplica Selezione"
+msgstr "GridMap Duplica Selezione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Impostazioni Snap"
+msgstr "GridMap Riempi"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Grid Map"
-msgstr "Snap Griglia"
+msgstr "Mappa di Griglia"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Snap View"
-msgstr "Vista dall'Alto"
+msgstr "Vista Snap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Disabled"
-msgstr "Disabilitato"
+msgstr "Clip Disabilitata"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Above"
-msgstr "Allinea Sopra"
+msgstr "Ritaglia Sopra"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Below"
-msgstr "Allinea Sotto"
+msgstr "Ritaglia Sotto"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Edit X Axis"
@@ -9314,107 +9090,88 @@ msgid "Edit Z Axis"
 msgstr "Modifica l'Asse Z"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Rotate X"
-msgstr "Ctrl: Ruota"
+msgstr "Ruota Cursore X"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Rotate Y"
-msgstr "Ctrl: Ruota"
+msgstr "Ruota Cursore Y"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Rotate Z"
-msgstr "Ctrl: Ruota"
+msgstr "Ruota Cursore Z"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Back Rotate X"
-msgstr "Rotazione all'indietro del Cursore X"
+msgstr "Ruota Indietro Cursore X"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Back Rotate Y"
-msgstr "Rotazione all'indietro del Cursore Y"
+msgstr "Ruota Indietro Cursore Y"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Back Rotate Z"
-msgstr "Rotazione all'indietro del Cursore Z"
+msgstr "Ruota Indietro Cursore Z"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Cursor Clear Rotation"
-msgstr "Rimuovi Rotazione Cursore"
+msgstr "Cursore Cancella Rotazione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Create Area"
-msgstr "Crea Nuovo"
+msgstr "Crea Area"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Create Exterior Connector"
-msgstr "Crea Nuovo Progetto"
+msgstr "Crea Connettore Esterno"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Erase Area"
-msgstr "Cancella TileMap"
+msgstr "Cancella Area"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clear Selection"
-msgstr "Centra Selezione"
+msgstr "Cancella Selezione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Fill Selection"
-msgstr "Seleziona Tutto"
+msgstr "Riempi Selezione"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Settings"
-msgstr "Impostazioni Snap"
+msgstr "Impostazioni GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Pick Distance:"
-msgstr "Istanza:"
+msgstr "Scegli la Distanza:"
 
 #: modules/mono/csharp_script.cpp
 msgid "Class name can't be a reserved keyword"
-msgstr ""
+msgstr "Il nome della classe non può essere una parola chiave riservata"
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Generating solution..."
-msgstr "Creazione Octree Texture"
+msgstr "Generando la soluzione..."
 
 #: modules/mono/editor/godotsharp_editor.cpp
 msgid "Generating C# project..."
-msgstr ""
+msgstr "Genero progetto in C#..."
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Failed to create solution."
-msgstr "Impossiblile creare outline!"
+msgstr "Impossibile creare la soluzione."
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Failed to save solution."
-msgstr "Caricamento della risorsa fallito."
+msgstr "Impossibile salvare la soluzione."
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Done"
-msgstr "Fatto!"
+msgstr "Fatto"
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Failed to create C# project."
-msgstr "Caricamento della risorsa fallito."
+msgstr "Impossibile creare il progetto C#."
 
 #: modules/mono/editor/godotsharp_editor.cpp
 msgid "Mono"
@@ -9422,27 +9179,23 @@ msgstr "Mono"
 
 #: modules/mono/editor/godotsharp_editor.cpp
 msgid "About C# support"
-msgstr ""
+msgstr "Riguardo il supporto in C#"
 
 #: modules/mono/editor/godotsharp_editor.cpp
-#, fuzzy
 msgid "Create C# solution"
-msgstr "Crea Outline"
+msgstr "Crea la soluzione C#"
 
 #: modules/mono/editor/mono_bottom_panel.cpp
-#, fuzzy
 msgid "Builds"
-msgstr "Costruzioni"
+msgstr "Compilazioni"
 
 #: modules/mono/editor/mono_bottom_panel.cpp
-#, fuzzy
 msgid "Build Project"
-msgstr "Progetto"
+msgstr "Compila Progetto"
 
 #: modules/mono/editor/mono_bottom_panel.cpp
-#, fuzzy
 msgid "View log"
-msgstr "Vedi Files"
+msgstr "Visualizza log"
 
 #: modules/mono/mono_gd/gd_mono_utils.cpp
 msgid "End of inner exception stack trace"
@@ -9450,17 +9203,15 @@ msgstr ""
 
 #: modules/recast/navigation_mesh_editor_plugin.cpp
 msgid "Bake NavMesh"
-msgstr ""
+msgstr "Preprocessa NavMesh"
 
 #: modules/recast/navigation_mesh_editor_plugin.cpp
-#, fuzzy
 msgid "Clear the navigation mesh."
-msgstr "Elimina Mesh di Navigazione"
+msgstr "Cancella mesh di navigazione."
 
 #: modules/recast/navigation_mesh_generator.cpp
-#, fuzzy
 msgid "Setting up Configuration..."
-msgstr "Impostando Configurazione..."
+msgstr "Impostando la Configurazione..."
 
 #: modules/recast/navigation_mesh_generator.cpp
 msgid "Calculating grid size..."
@@ -9547,29 +9298,24 @@ msgid "Stack overflow with stack depth: "
 msgstr "Overflow dello stack con profondità dello stack: "
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Change Signal Arguments"
-msgstr "Modifica Argomenti Segnali:"
+msgstr "Cambia Argomenti Segnale"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Change Argument Type"
-msgstr "Cambia Tipo del Valore Array"
+msgstr "Cambia Tipo di Argomento"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Change Argument name"
-msgstr "Cambia Nome Input"
+msgstr "Cambia nome Argomento"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Set Variable Default Value"
-msgstr "Cambia Valore di Default"
+msgstr "Imposta Valore di Default della Variabile"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Set Variable Type"
-msgstr "Modifica Variabile:"
+msgstr "Imposta Tipo di Variabile"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Variables:"
@@ -9612,20 +9358,17 @@ msgid "Change Expression"
 msgstr "Cambia Espressione"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Remove VisualScript Nodes"
-msgstr "Rimuovi key invalidi"
+msgstr "Rimuovi Nodi VisualScript"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Duplicate VisualScript Nodes"
-msgstr "Duplica Nodo(i) Grafico"
+msgstr "Duplica Nodi VisualScript"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Hold %s to drop a Getter. Hold Shift to drop a generic signature."
 msgstr ""
-"Mantieni premuto Meta per rilasciare un Getter. Mantieni premuto Shift per "
+"Mantieni premuto %s per rilasciare un Getter. Mantieni premuto Shift per "
 "rilasciare una firma generica."
 
 #: modules/visual_script/visual_script_editor.cpp
@@ -9635,18 +9378,16 @@ msgstr ""
 "per rilasciare una firma generica."
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Hold %s to drop a simple reference to the node."
-msgstr "Mantieni premuto Meta per rilasciare un riferimento semplice al nodo."
+msgstr "Mantieni premuto %s per rilasciare un riferimento semplice al nodo."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold Ctrl to drop a simple reference to the node."
 msgstr "Mantieni premuto Ctrl per rilasciare un riferimento semplice al nodo."
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Hold %s to drop a Variable Setter."
-msgstr "Mantieni premuto Meta per rilasciare un Setter Variabile."
+msgstr "Mantieni premuto %s per rilasciare un Setter Variabile."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold Ctrl to drop a Variable Setter."
@@ -9669,63 +9410,52 @@ msgid "Add Setter Property"
 msgstr "Aggiungi Proprietà Setter"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Change Base Type"
-msgstr "Cambia Tipo"
+msgstr "Cambia Tipo di Base"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Move Node(s)"
-msgstr "Rimuovi nodo(i)"
+msgstr "Sposta Nodo(i)"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Remove VisualScript Node"
-msgstr "Rimuovi Nodo Grafico di Shader"
+msgstr "Rimuovi Nodo VisualScript"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Connect Nodes"
-msgstr "Connetti A Nodo:"
+msgstr "Connetti Nodi"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Connect Node Data"
-msgstr "Connetti A Nodo:"
+msgstr "Connetti Dati del Nodo"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Connect Node Sequence"
-msgstr "Connetti A Nodo:"
+msgstr "Connetti Sequenza del Nodo"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Script already has function '%s'"
 msgstr "Lo Script ha già la funzione '%s'"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Change Input Value"
-msgstr "Cambia Nome Input"
+msgstr "Cambia Valore di Input"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Modifica CanvasItem"
+msgstr "Ridimensiona Commento"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Can't copy the function node."
-msgstr "Non posso operare su '..'"
+msgstr "Non è possibile copiare il nodo della funzione."
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Clipboard is empty!"
-msgstr "Clipboard risorse vuota!"
+msgstr "Gli appunti sono vuoti!"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Paste VisualScript Nodes"
-msgstr "Incolla Nodi"
+msgstr "Incolla Nodi VisualScript"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Remove Function"
@@ -9792,9 +9522,8 @@ msgid "Paste Nodes"
 msgstr "Incolla Nodi"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Edit Member"
-msgstr "Membri"
+msgstr "Modifica Membro"
 
 #: modules/visual_script/visual_script_flow_control.cpp
 msgid "Input type not iterable: "
@@ -9855,102 +9584,108 @@ msgstr ""
 "stringa (errore)."
 
 #: modules/visual_script/visual_script_property_selector.cpp
-#, fuzzy
 msgid "Search VisualScript"
-msgstr "Rimuovi Nodo Grafico di Shader"
+msgstr "Ricerca VisualScript"
 
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Get %s"
-msgstr ""
+msgstr "Ottieni %s"
 
 #: modules/visual_script/visual_script_property_selector.cpp
-#, fuzzy
 msgid "Set %s"
-msgstr "Imposta parametri"
+msgstr "Imposta %s"
 
 #: platform/android/export/export.cpp
 msgid "Package name is missing."
-msgstr ""
+msgstr "Il nome del pacchetto è mancante."
 
 #: platform/android/export/export.cpp
 msgid "Package segments must be of non-zero length."
-msgstr ""
+msgstr "I segmenti del pacchetto devono essere di lunghezza diversa da zero."
 
 #: platform/android/export/export.cpp
 msgid "The character '%s' is not allowed in Android application package names."
 msgstr ""
+"Il carattere '%s' non è consentito nei nomi dei pacchetti delle applicazioni "
+"Android."
 
 #: platform/android/export/export.cpp
 msgid "A digit cannot be the first character in a package segment."
 msgstr ""
+"Una cifra non può essere il primo carattere di un segmento di un pacchetto."
 
 #: platform/android/export/export.cpp
 msgid "The character '%s' cannot be the first character in a package segment."
 msgstr ""
+"Il carattere '%s' non può essere il primo carattere di un segmento di "
+"pacchetto."
 
 #: platform/android/export/export.cpp
 msgid "The package must have at least one '.' separator."
-msgstr ""
+msgstr "Il pacchetto deve avere almeno un '.' separatore."
 
 #: platform/android/export/export.cpp
 msgid "ADB executable not configured in the Editor Settings."
-msgstr ""
+msgstr "Eseguibile ADB non configurato nelle Impostazioni dell'Editor."
 
 #: platform/android/export/export.cpp
 msgid "OpenJDK jarsigner not configured in the Editor Settings."
-msgstr ""
+msgstr "OpenJDK jarsigner non configurato nelle Impostazioni dell'Editor."
 
 #: platform/android/export/export.cpp
 msgid "Debug keystore not configured in the Editor Settings nor in the preset."
 msgstr ""
+"Debug keystore non configurato nelle Impostazioni dell'Editor né nel preset."
 
 #: platform/android/export/export.cpp
 msgid "Invalid public key for APK expansion."
-msgstr ""
+msgstr "Chiave pubblica non valida per l'espansione dell'APK."
 
 #: platform/android/export/export.cpp
-#, fuzzy
 msgid "Invalid package name:"
-msgstr "Nome classe invalido"
+msgstr "Nome del pacchetto non valido:"
 
 #: platform/iphone/export/export.cpp
 msgid "Identifier is missing."
-msgstr ""
+msgstr "L'identificatore è mancante."
 
 #: platform/iphone/export/export.cpp
 msgid "Identifier segments must be of non-zero length."
-msgstr ""
+msgstr "I segmenti identificativi devono essere di lunghezza diversa da zero."
 
 #: platform/iphone/export/export.cpp
-#, fuzzy
 msgid "The character '%s' is not allowed in Identifier."
-msgstr "Il nome non è un identificatore valido:"
+msgstr "Il carattere '%s' non è consentito nell'Identificatore."
 
 #: platform/iphone/export/export.cpp
 msgid "A digit cannot be the first character in a Identifier segment."
 msgstr ""
+"Una cifra non può essere il primo carattere di un segmento di "
+"Identificazione."
 
 #: platform/iphone/export/export.cpp
 msgid ""
 "The character '%s' cannot be the first character in a Identifier segment."
 msgstr ""
+"Il carattere '%s' non può essere il primo carattere di un segmento di "
+"Identificazione."
 
 #: platform/iphone/export/export.cpp
 msgid "The Identifier must have at least one '.' separator."
-msgstr ""
+msgstr "L'Identificatore deve avere almeno un '.' separatore."
 
 #: platform/iphone/export/export.cpp
 msgid "App Store Team ID not specified - cannot configure the project."
 msgstr ""
+"App Store Team ID non specificato - non è possibile configurare il progetto."
 
 #: platform/iphone/export/export.cpp
-#, fuzzy
 msgid "Invalid Identifier:"
-msgstr "Il nome non è un identificatore valido:"
+msgstr "Identificatore non valido:"
 
 #: platform/iphone/export/export.cpp
 msgid "Required icon is not specified in the preset."
-msgstr ""
+msgstr "L'icona richiesta non è specificata nel preset."
 
 #: platform/javascript/export/export.cpp
 msgid "Run in Browser"
@@ -9961,39 +9696,32 @@ msgid "Run exported HTML in the system's default browser."
 msgstr "Esegui HTML esportato all'interno del browser di sistema di default."
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Could not write file:"
-msgstr "Impossibile scrivere file:\n"
+msgstr "Impossibile scrivere il file:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Could not open template for export:"
-msgstr "Impossibile aprire template per l'esportazione:\n"
+msgstr "Impossibile aprire il template per l'esportazione:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Invalid export template:"
-msgstr "Installa Template di Esportazione"
+msgstr "Template di esportazione non valido:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Could not read custom HTML shell:"
-msgstr "Impossibile leggere file:\n"
+msgstr "Impossibile leggere la shell HTML personalizzata:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Could not read boot splash image file:"
-msgstr "Impossibile leggere file:\n"
+msgstr "Impossibile leggere il file immagine di avvio splash:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Using default boot splash image."
-msgstr "Impossibile leggere file:\n"
+msgstr "Utilizzando l'immagine di splash di avvio predefinita."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid package unique name."
-msgstr "Nome unico invalido."
+msgstr "Nome univoco del pacchetto non valido."
 
 #: platform/uwp/export/export.cpp
 msgid "Invalid product GUID."
@@ -10071,6 +9799,10 @@ msgid ""
 "Consider adding a CollisionShape2D or CollisionPolygon2D as a child to "
 "define its shape."
 msgstr ""
+"Questo nodo non ha una forma, non può quindi collidere o interagire con gli "
+"altri oggetti.\n"
+"Devi aggiungere come figlio un CollisionShape2D oppure un CollisionPolygon2D "
+"per definire la sua forma."
 
 #: scene/2d/collision_polygon_2d.cpp
 msgid ""
@@ -10111,6 +9843,8 @@ msgid ""
 "CPUParticles2D animation requires the usage of a CanvasItemMaterial with "
 "\"Particles Animation\" enabled."
 msgstr ""
+"L'animazione CPUParticles2D richiede l'utilizzo di un CanvasItemMaterial con "
+"\"Animazione Particelle\" abilitata."
 
 #: scene/2d/light_2d.cpp
 msgid ""
@@ -10163,6 +9897,9 @@ msgid ""
 "Use the CPUParticles2D node instead. You can use the \"Convert to "
 "CPUParticles\" option for this purpose."
 msgstr ""
+"Le particelle basate su GPU non sono supportate dal driver video GLES2.\n"
+"Utilizzare invece il nodo CPUParticles2D. A tale scopo è possibile "
+"utilizzare l'opzione \"Converti in CPUParticles\"."
 
 #: scene/2d/particles_2d.cpp scene/3d/particles.cpp
 msgid ""
@@ -10177,6 +9914,8 @@ msgid ""
 "Particles2D animation requires the usage of a CanvasItemMaterial with "
 "\"Particles Animation\" enabled."
 msgstr ""
+"L'animazione Particles2D richiede l'utilizzo di un CanvasItemMaterial con "
+"\"Animazione di Particelle\" abilitato."
 
 #: scene/2d/path_2d.cpp
 msgid "PathFollow2D only works when set as a child of a Path2D node."
@@ -10185,15 +9924,14 @@ msgstr ""
 "Path2D."
 
 #: scene/2d/physics_body_2d.cpp
-#, fuzzy
 msgid ""
 "Size changes to RigidBody2D (in character or rigid modes) will be overridden "
 "by the physics engine when running.\n"
 "Change the size in children collision shapes instead."
 msgstr ""
-"I cambiamenti di dimensione a RigidBody2D (nel personaggio o nelle modalità "
-"rigide) saranno sovrascritti dal motore fisico quando in esecuzione.\n"
-"Modifica invece la dimensione nelle sagome di collisioni figlie."
+"I cambiamenti di dimensione a RigidBody2D (in modalità rigida o carattere) "
+"saranno sovrascritti dal motore fisico quando in esecuzione.\n"
+"Modifica invece la dimensione nelle forme di collisione figlie."
 
 #: scene/2d/remote_transform_2d.cpp
 msgid "Path property must point to a valid Node2D node to work."
@@ -10202,16 +9940,20 @@ msgstr ""
 
 #: scene/2d/skeleton_2d.cpp
 msgid "This Bone2D chain should end at a Skeleton2D node."
-msgstr ""
+msgstr "Questa catena di Bone2D deve terminare con un nodo Skeleton2D."
 
 #: scene/2d/skeleton_2d.cpp
 msgid "A Bone2D only works with a Skeleton2D or another Bone2D as parent node."
 msgstr ""
+"Un Bone2D funziona solo se avente come genitore un Skeleton2D o un altro "
+"Bone2D."
 
 #: scene/2d/skeleton_2d.cpp
 msgid ""
 "This bone lacks a proper REST pose. Go to the Skeleton2D node and set one."
 msgstr ""
+"Questo osso ha bisogno di una corretta postura di RIPOSO. Vai al nodo "
+"Skeleton2D e impostane una."
 
 #: scene/2d/visibility_notifier_2d.cpp
 msgid ""
@@ -10223,7 +9965,7 @@ msgstr ""
 
 #: scene/3d/arvr_nodes.cpp
 msgid "ARVRCamera must have an ARVROrigin node as its parent"
-msgstr "ARVRCamera deve avere un nodo ARVROrigin come suo nodo padre"
+msgstr "ARVRCamera deve avere un nodo ARVROrigin come suo genitore"
 
 #: scene/3d/arvr_nodes.cpp
 msgid "ARVRController must have an ARVROrigin node as its parent"
@@ -10255,31 +9997,27 @@ msgstr "ARVROrigin necessita di un nodo figlio ARVRCamera"
 
 #: scene/3d/baked_lightmap.cpp
 msgid "%d%%"
-msgstr ""
+msgstr "%d%%"
 
 #: scene/3d/baked_lightmap.cpp
 msgid "(Time Left: %d:%02d s)"
-msgstr ""
+msgstr "(Tempo Rimanente: %d:%02d s)"
 
 #: scene/3d/baked_lightmap.cpp
-#, fuzzy
 msgid "Plotting Meshes: "
-msgstr "Bliting Immagini"
+msgstr ""
 
 #: scene/3d/baked_lightmap.cpp
-#, fuzzy
 msgid "Plotting Lights:"
-msgstr "Bliting Immagini"
+msgstr ""
 
 #: scene/3d/baked_lightmap.cpp scene/3d/gi_probe.cpp
-#, fuzzy
 msgid "Finishing Plot"
-msgstr "Finalizzazione del Plot"
+msgstr "Trama di Finitura"
 
 #: scene/3d/baked_lightmap.cpp
-#, fuzzy
 msgid "Lighting Meshes: "
-msgstr "Bliting Immagini"
+msgstr ""
 
 #: scene/3d/collision_object.cpp
 msgid ""
@@ -10287,6 +10025,10 @@ msgid ""
 "Consider adding a CollisionShape or CollisionPolygon as a child to define "
 "its shape."
 msgstr ""
+"Questo nodo non ha una forma, non può quindi collidere o interagire con gli "
+"altri oggetti.\n"
+"Devi aggiungere come figlio un CollisionShape oppure un CollisionPolygon per "
+"definire la sua forma."
 
 #: scene/3d/collision_polygon.cpp
 msgid ""
@@ -10321,10 +10063,15 @@ msgstr ""
 "Perché CollisionShape funzioni deve essere fornita una forma. Si prega di "
 "creare una risorsa forma (shape)!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
-#, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
-msgstr "Nulla é visibile perché le mesh non sono state assegnate ai draw pass."
+msgstr "Niente è visibile perché non è stata assegnata alcuna mesh."
 
 #: scene/3d/cpu_particles.cpp
 msgid ""
@@ -10333,9 +10080,16 @@ msgid ""
 msgstr ""
 
 #: scene/3d/gi_probe.cpp
-#, fuzzy
 msgid "Plotting Meshes"
-msgstr "Bliting Immagini"
+msgstr ""
+
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"Le GIProbes non sono supportate dal driver video GLES2.\n"
+"In alternativa, usa una BakedLightmap."
 
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
@@ -10357,6 +10111,9 @@ msgid ""
 "Use the CPUParticles node instead. You can use the \"Convert to CPUParticles"
 "\" option for this purpose."
 msgstr ""
+"Le particelle basate su GPU non sono supportate dal driver video GLES2.\n"
+"Utilizzare invece il nodo CPUParticles. A tale scopo è possibile utilizzare "
+"l'opzione \"Converti in CPUParticles\"."
 
 #: scene/3d/particles.cpp
 msgid ""
@@ -10364,23 +10121,26 @@ msgid ""
 msgstr "Nulla é visibile perché le mesh non sono state assegnate ai draw pass."
 
 #: scene/3d/particles.cpp
+#, fuzzy
 msgid ""
 "Particles animation requires the usage of a SpatialMaterial with \"Billboard "
 "Particles\" enabled."
 msgstr ""
+"L'animazione delle particelle richiede l'utilizzo di uno SpatialMaterial con "
+"\"Billboard Particles\" abilitato."
 
 #: scene/3d/path.cpp
-#, fuzzy
 msgid "PathFollow only works when set as a child of a Path node."
-msgstr ""
-"PathFollow2D funziona solamente quando impostato come figlio di un nodo "
-"Path2D."
+msgstr "PathFollow funziona solo se impostato come figlio di un nodo Path."
 
 #: scene/3d/path.cpp
+#, fuzzy
 msgid ""
 "PathFollow ROTATION_ORIENTED requires \"Up Vector\" enabled in its parent "
 "Path's Curve resource."
 msgstr ""
+"PathFollow ROTATION_ORIENTED richiede \"Up Vector\" abilitato nella risorsa "
+"Path’s Curve del padre."
 
 #: scene/3d/physics_body.cpp
 msgid ""
@@ -10400,18 +10160,17 @@ msgstr ""
 
 #: scene/3d/soft_body.cpp
 msgid "This body will be ignored until you set a mesh"
-msgstr ""
+msgstr "Questo corpo verrà ignorato finché non imposti una mesh"
 
 #: scene/3d/soft_body.cpp
-#, fuzzy
 msgid ""
 "Size changes to SoftBody will be overridden by the physics engine when "
 "running.\n"
 "Change the size in children collision shapes instead."
 msgstr ""
-"I cambiamenti di dimensione a RigidBody (nel personaggio o nelle modalità "
-"rigide) saranno sovrascritti dal motore fisico quando in esecuzione.\n"
-"Modifica invece la dimensione in sagome di collisione figlie."
+"Le modifiche alle dimensioni di SoftBody saranno sovrascritte dal motore "
+"fisico durante l'esecuzione.\n"
+"Cambiare invece le dimensioni nelle forme di collisioni figlie."
 
 #: scene/3d/sprite_3d.cpp
 msgid ""
@@ -10431,7 +10190,7 @@ msgstr ""
 
 #: scene/3d/world_environment.cpp
 msgid "WorldEnvironment needs an Environment resource."
-msgstr ""
+msgstr "WorldEnvironment ha bisogno di una risorsa Ambiente."
 
 #: scene/3d/world_environment.cpp
 msgid ""
@@ -10445,70 +10204,80 @@ msgid ""
 "This WorldEnvironment is ignored. Either add a Camera (for 3D scenes) or set "
 "this environment's Background Mode to Canvas (for 2D scenes)."
 msgstr ""
+"Questo WorldEnvironment viene ignorato. Aggiungere una Telecamera (per le "
+"scene 3D) o impostare questo ambiente Modalità Canvas (per le scene in 2D)."
 
 #: scene/animation/animation_blend_tree.cpp
 msgid "On BlendTree node '%s', animation not found: '%s'"
-msgstr ""
+msgstr "Sul nodo BlendTree '%s', animazione non trovata: '%s'"
 
 #: scene/animation/animation_blend_tree.cpp
-#, fuzzy
 msgid "Animation not found: '%s'"
-msgstr "Strumenti di Animazione"
+msgstr "Animazione non trovata: '%s'"
 
 #: scene/animation/animation_tree.cpp
 msgid "In node '%s', invalid animation: '%s'."
-msgstr ""
+msgstr "Nel nodo '%s', animazione non valida: '%s'."
 
 #: scene/animation/animation_tree.cpp
-#, fuzzy
 msgid "Invalid animation: '%s'."
-msgstr "ERRORE: Nome animazione invalido!"
+msgstr "Animazione non valida: '%s'."
 
 #: scene/animation/animation_tree.cpp
-#, fuzzy
 msgid "Nothing connected to input '%s' of node '%s'."
-msgstr "Disconnetti '%s' da '%s'"
+msgstr "Nulla collegato all'ingresso '%s' del nodo '%s'."
 
 #: scene/animation/animation_tree.cpp
 msgid "A root AnimationNode for the graph is not set."
-msgstr ""
+msgstr "Una radice AnimationNode per il grafico non è impostata."
 
 #: scene/animation/animation_tree.cpp
-#, fuzzy
 msgid "Path to an AnimationPlayer node containing animations is not set."
 msgstr ""
-"Seleziona un AnimationPlayer dallo Scene Tree per modificare le animazioni."
+"Il Percorso di un nodo AnimationPlayer contenente animazioni non è impostato."
 
 #: scene/animation/animation_tree.cpp
 msgid "Path set for AnimationPlayer does not lead to an AnimationPlayer node."
 msgstr ""
+"Il percorso impostato per l'AnimationPlayer non porta a nessun nodo "
+"AnimationPlayer."
 
 #: scene/animation/animation_tree.cpp
-#, fuzzy
 msgid "AnimationPlayer root is not a valid node."
-msgstr "Animation tree invalido."
+msgstr "La radice di AnimationPlayer non è un nodo valido."
 
 #: scene/animation/animation_tree_player.cpp
 msgid "This node has been deprecated. Use AnimationTree instead."
-msgstr ""
+msgstr "Questo nodo è stato deprecato. In alternativa, usa un AnimationTree."
 
 #: scene/gui/color_picker.cpp
 msgid "Pick a color from the screen."
-msgstr ""
+msgstr "Scegliere un colore dallo schermo."
 
 #: scene/gui/color_picker.cpp
-#, fuzzy
 msgid "Raw Mode"
-msgstr "Modalità di Pan"
+msgstr "Modalità Raw"
 
 #: scene/gui/color_picker.cpp
 msgid "Switch between hexadecimal and code values."
-msgstr ""
+msgstr "Cambia tra valori esadecimali e valori di codice."
 
 #: scene/gui/color_picker.cpp
-#, fuzzy
 msgid "Add current color as a preset."
-msgstr "Aggiungi colore attuale come preset"
+msgstr "Aggiungi il colore corrente come preset."
+
+#: scene/gui/container.cpp
+#, fuzzy
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Il Contenitore da solo non serve a nessuno scopo a meno che uno script non "
+"configuri il suo comportamento di posizionamento per i figli.\n"
+"Se non avete intenzione di aggiungere uno script, utilizzate invece un "
+"semplice nodo \"Controllo\"."
 
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
@@ -10518,6 +10287,10 @@ msgstr "Attenzione!"
 msgid "Please Confirm..."
 msgstr "Per Favore Conferma..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Vai alla cartella genitore."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10530,7 +10303,7 @@ msgstr ""
 
 #: scene/gui/range.cpp
 msgid "If exp_edit is true min_value must be > 0."
-msgstr ""
+msgstr "Se exp_edit è true min_value deve essere > 0."
 
 #: scene/gui/scroll_container.cpp
 msgid ""
@@ -10547,13 +10320,12 @@ msgid "(Other)"
 msgstr "(Altro)"
 
 #: scene/main/scene_tree.cpp
-#, fuzzy
 msgid ""
 "Default Environment as specified in Project Settings (Rendering -> "
 "Environment -> Default Environment) could not be loaded."
 msgstr ""
-"Impossobile caricare Ambiente di Default come specificato nelle Impostazioni "
-"Progetto (Rendering -> Vista -> Ambiente di Default)."
+"Non è stato possibile caricare l'Ambiente predefinito come specificato nelle "
+"Impostazioni Progetto (Rendering -> Ambiente -> Ambiente Predefinito)."
 
 #: scene/main/viewport.cpp
 msgid ""
@@ -10584,26 +10356,28 @@ msgid "Invalid font size."
 msgstr "Dimensione font Invalida."
 
 #: scene/resources/visual_shader.cpp
-#, fuzzy
 msgid "Input"
-msgstr "Aggiungi Input"
+msgstr "Ingresso"
 
 #: scene/resources/visual_shader_nodes.cpp
-#, fuzzy
 msgid "Invalid source for shader."
-msgstr "Sorgente invalida!"
+msgstr "Sorgente non valida per la shader."
 
 #: servers/visual/shader_language.cpp
 msgid "Assignment to function."
-msgstr ""
+msgstr "Assegnazione alla funzione."
 
 #: servers/visual/shader_language.cpp
 msgid "Assignment to uniform."
-msgstr ""
+msgstr "Assegnazione all'uniforme."
 
 #: servers/visual/shader_language.cpp
+#, fuzzy
 msgid "Varyings can only be assigned in vertex function."
-msgstr ""
+msgstr "Varyings può essere assegnato solo nella funzione del vertice."
+
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Istanzia le scene selezionate come figlie del nodo selezionato."
 
 #~ msgid "FPS"
 #~ msgstr "FPS"
@@ -12154,9 +11928,6 @@ msgstr ""
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "Impossibile accedere alla subdirectory:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Risorse Importate"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "Inserisci Keys (Ins)"
 
diff --git a/editor/translations/ja.po b/editor/translations/ja.po
index 93e7d244a4..6ab3436f15 100644
--- a/editor/translations/ja.po
+++ b/editor/translations/ja.po
@@ -21,11 +21,12 @@
 # nitenook <admin@alterbaum.net>, 2018, 2019.
 # Rob Matych <robertsmatych@gmail.com>, 2018.
 # Hidetsugu Takahashi <manzyun@gmail.com>, 2019.
+# Wataru Onuki <watonu@magadou.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-03-01 11:59+0000\n"
+"PO-Revision-Date: 2019-03-19 15:04+0000\n"
 "Last-Translator: nitenook <admin@alterbaum.net>\n"
 "Language-Team: Japanese <https://hosted.weblate.org/projects/godot-engine/"
 "godot/ja/>\n"
@@ -34,7 +35,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -101,14 +102,12 @@ msgid "Delete Selected Key(s)"
 msgstr "�択中�キーを削除"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "点を追加"
+msgstr "ベジェ�イントを追加"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "�イントを移動"
+msgstr "ベジェ�イントを移動"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -139,9 +138,8 @@ msgid "Anim Change Call"
 msgstr "アニメーション呼出��変更"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "アニメーション�ループを変更"
+msgstr "アニメーション�長�を変更"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -1388,10 +1386,33 @@ msgid "Packing"
 msgstr "パック�る"
 
 #: editor/editor_export.cpp
+#, fuzzy
+msgid ""
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"対象プラットフォーム��GLES2����'ETC'テクス�ャ圧縮�必���。プロジェ"
+"クト設定より有効�������。"
+
+#: editor/editor_export.cpp
+#, fuzzy
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"対象プラットフォーム��GLES2����'ETC'テクス�ャ圧縮�必���。プロジェ"
+"クト設定より有効�������。"
+
+#: editor/editor_export.cpp
+#, fuzzy
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"対象プラットフォーム��GLES2����'ETC'テクス�ャ圧縮�必���。プロジェ"
+"クト設定より有効�������。"
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1438,7 +1459,7 @@ msgstr "ファイルマ�ージャー�表示"
 msgid "New Folder..."
 msgstr "新�フォルダ..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "�読込"
 
@@ -1513,10 +1534,33 @@ msgstr "�気�入りを上�"
 msgid "Move Favorite Down"
 msgstr "�気�入りを下�"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "��床�"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "次�床�"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "親フォルダ�"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "フォルダを作�����ん���。"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "アイテムをサム�イル�グリッド表示�る。"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "アイテムを一覧�表示�る。"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "ディレクトリ�ファイル:"
@@ -1739,9 +1783,9 @@ msgstr "出力をクリア"
 msgid "Project export failed with error code %d."
 msgstr "プロジェクト�エクス�ート�エラーコード %d �失敗����。"
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "リソース�存中�エラー�"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1749,6 +1793,16 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "リソース�存中�エラー�"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "リソースを別���存..."
 
@@ -1806,6 +1860,8 @@ msgid ""
 "This scene can't be saved because there is a cyclic instancing inclusion.\n"
 "Please resolve it and then attempt to save again."
 msgstr ""
+"��シーン��インスタンス�循環�照���れ��る���存����ん。\n"
+"�れを��解消���ら����存��������。"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2715,6 +2771,8 @@ msgid ""
 "The selected resource (%s) does not match any type expected for this "
 "property (%s)."
 msgstr ""
+"�択�れ�リソース (%s) ����プロパティ (%s) �求�る型�一致�����"
+"ん。"
 
 #: editor/editor_properties.cpp
 msgid ""
@@ -3056,14 +3114,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "ファイルシステム上� '%s' を見��られ����移動����ん�"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "アイテムをサム�イル�グリッド表示�る。"
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "アイテムを一覧�表示�る。"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "ステータス: ファイル�イン�ート�失敗����。ファイルを修正��手動��イ"
@@ -3143,7 +3193,7 @@ msgstr "�存関係�編集..."
 
 #: editor/filesystem_dock.cpp
 msgid "View Owners..."
-msgstr "所有者を見る..."
+msgstr "オーナーを見る..."
 
 #: editor/filesystem_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Rename..."
@@ -3201,10 +3251,6 @@ msgid "Search files"
 msgstr "ファイル検索"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "�択��シーンを�択��ノード�����インスタンス化���。"
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4626,9 +4672,8 @@ msgid "Click to change object's rotation pivot."
 msgstr "クリック�オブジェクト�回転ピボットを変更�る。"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid "Pan Mode"
-msgstr "パン・モード"
+msgstr "パンモード"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Toggle snapping."
@@ -5227,6 +5272,11 @@ msgid "Generating Visibility Rect"
 msgstr "�視性�矩形を生�"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+#, fuzzy
+msgid "Generate Visibility Rect"
+msgstr "�視性�矩形を生�"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
@@ -5240,11 +5290,6 @@ msgstr "画�内��明度�128以上�ピクセル��り��ん..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #, fuzzy
-msgid "Generate Visibility Rect"
-msgstr "�視性�矩形を生�"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Load Emission Mask"
 msgstr "発光(Emission)マスクを読�込む"
 
@@ -5338,14 +5383,14 @@ msgid "Generating AABB"
 msgstr "AABBを生�中"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "軸平行境界ボックス（AABB)を生�"
-
-#: editor/plugins/particles_editor_plugin.cpp
 #, fuzzy
 msgid "Generate Visibility AABB"
 msgstr "�視性�軸平行境界ボックスを生�"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "軸平行境界ボックス（AABB)を生�"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "曲線�ら�イントを除去"
@@ -5956,6 +6001,14 @@ msgid "Open Godot online documentation"
 msgstr "Godot�オンライン文書を開�"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "リファレンス文書を探�."
 
@@ -5968,9 +6021,8 @@ msgid "Go to next edited document."
 msgstr "次�編集��ドキュメント�移動。"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Discard"
-msgstr "離散"
+msgstr "破棄"
 
 #: editor/plugins/script_editor_plugin.cpp
 #, fuzzy
@@ -6202,7 +6254,7 @@ msgstr "平行投影"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Perspective"
-msgstr "�視投影（�近法）"
+msgstr "�視投影"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 #, fuzzy
@@ -6587,7 +6639,7 @@ msgstr "ギズモ"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Origin"
-msgstr "原点を見る"
+msgstr "原点�表示"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Grid"
@@ -7070,6 +7122,24 @@ msgid "Merge from Scene"
 msgstr "シーン�らマージ"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "次�床�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "��床�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7220,6 +7290,16 @@ msgid "Clear Tile Bitmask"
 msgstr "タイル ビットマスクをクリア"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Concave"
+msgstr "�リゴンを移動"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "�リゴンを移動"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "タイルを除去"
 
@@ -7349,6 +7429,11 @@ msgid "Exporting All"
 msgstr "%s�エクス�ート中"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "存在���パス��。"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "��プラットフォーム�対�るエクス�ート テンプレート�見��ら����破��"
@@ -10165,6 +10250,12 @@ msgstr ""
 "関数� CollisionShape �形状を指定�る必���り��。�れ����シェイプリ"
 "ソースを作�������!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 #, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
@@ -10181,6 +10272,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "イメージを�置(Blit)"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10346,6 +10443,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "�在�色をプリセット���追加"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "警告!"
@@ -10354,6 +10459,11 @@ msgstr "警告!"
 msgid "Please Confirm..."
 msgstr "確�..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "親フォルダ�"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10366,7 +10476,7 @@ msgstr ""
 
 #: scene/gui/range.cpp
 msgid "If exp_edit is true min_value must be > 0."
-msgstr ""
+msgstr "exp_edit �true�場��min_value �0より大��必���り��。"
 
 #: scene/gui/scroll_container.cpp
 msgid ""
@@ -10392,6 +10502,7 @@ msgstr ""
 "�る環境(Environment)�読�込���ん���."
 
 #: scene/main/viewport.cpp
+#, fuzzy
 msgid ""
 "This viewport is not set as render target. If you intend for it to display "
 "its contents directly to the screen, make it a child of a Control so it can "
@@ -10440,6 +10551,9 @@ msgstr "uniform ��割り当�。"
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Varying�頂点関数���割り当�る�������。"
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "�択��シーンを�択��ノード�����インスタンス化���。"
+
 #~ msgid "FPS"
 #~ msgstr "フレームレート"
 
diff --git a/editor/translations/ka.po b/editor/translations/ka.po
index 0ef5840a20..cb8aed504b 100644
--- a/editor/translations/ka.po
+++ b/editor/translations/ka.po
@@ -5,12 +5,13 @@
 # Giorgi Beriashvili <giorgi.beriashvili@outlook.com>, 2018.
 # George Dzavashvili <dzavashviligeorge@gmail.com>, 2018.
 # დემეტრე შ�ნი� <blender.animation.maker@gmail.com>, 2019.
+# Rati Nikolaishvili <rati.nikolaishvili@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-10 12:01+0000\n"
-"Last-Translator: დემეტრე შ�ნი� <blender.animation.maker@gmail.com>\n"
+"PO-Revision-Date: 2019-03-10 09:58+0000\n"
+"Last-Translator: Rati Nikolaishvili <rati.nikolaishvili@gmail.com>\n"
 "Language-Team: Georgian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/ka/>\n"
 "Language: ka\n"
@@ -18,7 +19,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -62,11 +63,11 @@ msgstr ""
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr ""
+msgstr "თ�ვისუფ�ლი"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
-msgstr ""
+msgstr "დ�ბ�ლ�ნსებული"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Mirror"
@@ -75,7 +76,7 @@ msgstr "ს�რკე"
 #: editor/animation_bezier_editor.cpp
 #, fuzzy
 msgid "Insert Key Here"
-msgstr "�ნიმ გ�ს�ღების ჩ�ყენებ�"
+msgstr "�ქ ჩ�სვით გ�ს�ღები"
 
 #: editor/animation_bezier_editor.cpp
 #, fuzzy
@@ -1392,8 +1393,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1442,7 +1457,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1517,10 +1532,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1746,8 +1781,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1756,6 +1791,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2995,14 +3040,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3142,10 +3179,6 @@ msgid "Search files"
 msgstr "ძებნ�:"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5105,19 +5138,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5208,11 +5241,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5805,6 +5838,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6872,6 +6913,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7020,6 +7077,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "შექმნ�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "მ�შ�რებ�"
@@ -7141,6 +7207,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9707,6 +9777,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9721,6 +9797,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9868,6 +9950,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9876,6 +9966,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/ko.po b/editor/translations/ko.po
index 817407e30a..903a54b102 100644
--- a/editor/translations/ko.po
+++ b/editor/translations/ko.po
@@ -16,7 +16,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-03-01 11:59+0000\n"
+"PO-Revision-Date: 2019-03-19 15:04+0000\n"
 "Last-Translator: 송태섭 <xotjq237@gmail.com>\n"
 "Language-Team: Korean <https://hosted.weblate.org/projects/godot-engine/"
 "godot/ko/>\n"
@@ -25,7 +25,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -93,14 +93,12 @@ msgid "Delete Selected Key(s)"
 msgstr "선�한 키를 삭제"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "��트 추가"
+msgstr "베지어 ��트 추가"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "��트 ��"
+msgstr "베지어 ��트 ��"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -131,9 +129,8 @@ msgid "Anim Change Call"
 msgstr "애니메�션 호출 변경"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "애니메�션 루프 변경"
+msgstr "애니메�션 길� 변경"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -190,9 +187,8 @@ msgid "Anim Clips:"
 msgstr "애니메�션 �립:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "배열 값 변경"
+msgstr "트랙 경로 변경"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -219,9 +215,8 @@ msgid "Time (s): "
 msgstr "시간 (초): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "�플러 활성화"
+msgstr "트랙 활성화 토글"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -274,19 +269,16 @@ msgid "Delete Key(s)"
 msgstr "키 삭제"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "애니메�션 �름 변경:"
+msgstr "애니메�션 업��트 모드 변경"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "보간 모드"
+msgstr "애니메�션 보간 모드 변경"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "애니메�션 루프 변경"
+msgstr "애니메�션 루프 모드 변경"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -331,14 +323,12 @@ msgid "Anim Insert Key"
 msgstr "애니메�션 키 삽입"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "애니메�션 FPS 변경"
+msgstr "애니메�션 스� 변경"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "오토로드 재정렬"
+msgstr "트랙 재정렬"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -370,9 +360,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "루트 없� 새 트랙� 추가할 수 없�"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "트랙 추가"
+msgstr "베지어 트랙 추가"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -383,23 +372,20 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "트랙� Spatial 타입� 아닙니다, 키를 삽입하실 수 없습니다"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "3D 변형 트랙"
+msgstr "변형 트랙 키 추가"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "트랙 추가"
+msgstr "트랙 키 추가"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr "트랙 경로가 유효하지 않습니다, 메서드 키를 추가하실 수 없습니다."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "호출 메서드 트랙"
+msgstr "메서드 트랙 키 추가"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -560,17 +546,16 @@ msgid "Copy"
 msgstr "복사하기"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "오디오 �립:"
+msgstr "오디오 트랙 �립 추가"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "오디오 트랙 �립 시작 오프셋 변경"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "오디오 트랙 �립 종료 오프셋 변경"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -1379,9 +1364,31 @@ msgstr "패킹 중"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"대� 플랫�� GLES2를 위해 'ETC' �스� 압축� 필요합니다. 프로�트 설정�서 "
+"'Import Etc'� 사용하세요."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"대� 플랫�� GLES3를 위해 'ETC2' �스� 압축� 필요합니다. 프로�트 설정�"
+"서 'Import Etc 2'를 사용하세요."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"대� 플랫�� 드��버가 GLES2로 �백하기 위해 'ETC' �스� 압축� 필요합니"
+"다.\n"
+"프로�트 설정�서 'Import Etc'� 키거나, 'Driver Fallback Enabled'를 비활성화"
+"하세요."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1428,7 +1435,7 @@ msgstr "파� �색기�서 보기"
 msgid "New Folder..."
 msgstr "새 ��..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "새로고침"
 
@@ -1503,10 +1510,30 @@ msgstr "�겨찾기 위로 ��"
 msgid "Move Favorite Down"
 msgstr "�겨찾기 아래로 ��"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "�전 ��"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "다� ��"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "부모 ��로 ��"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "현재 ��를 �겨찾기 (안) 합니다."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "�네� 바둑�으로 보기."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "리스트로 보기."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "디렉토리와 파�:"
@@ -1590,11 +1617,11 @@ msgstr "ì—´ê±°:"
 
 #: editor/editor_help.cpp
 msgid "enum  "
-msgstr "�넘(열거)  "
+msgstr "�넘  "
 
 #: editor/editor_help.cpp
 msgid "Constants"
-msgstr "�수(Constant)"
+msgstr "�수"
 
 #: editor/editor_help.cpp
 msgid "Constants:"
@@ -1729,9 +1756,9 @@ msgstr "출력 지우기"
 msgid "Project export failed with error code %d."
 msgstr "프로�트 내보내기가 오류 코드 %d 로 실패했습니다."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "리소스 저장 중 오류!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "가져온 리소스를 저장할 수 없습니다."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1739,6 +1766,18 @@ msgid "OK"
 msgstr "확�"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "리소스 저장 중 오류!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"� 리소스는 편집� 씬� �해있지 않기 때문� 저장할 수 없습니다. 먼저 리소스"
+"를 유�하게 만드세요."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "리소스를 다른 �름으로 저장..."
 
@@ -1954,14 +1993,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "닫기 전� '%s'� 변경사항� 저장하시겠습니까?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "리소스 불러오기 실패."
+msgstr "%s 수정� 리소스가 저장�었습니다."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "� �스�를 위해서는 단 하나� 파�만 요구�니다."
+msgstr "씬� 저장하기 위해 루트 노드가 필요합니다."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -1993,7 +2030,7 @@ msgstr "� 작업� 루트 노드가 없�는 불가능합니다."
 
 #: editor/editor_node.cpp
 msgid "Export Tile Set"
-msgstr "타� 셋 내보내기"
+msgstr "타�셋 내보내기"
 
 #: editor/editor_node.cpp
 msgid "This operation can't be done without a selected node."
@@ -2232,7 +2269,7 @@ msgstr "메시 ��브러리..."
 
 #: editor/editor_node.cpp
 msgid "TileSet..."
-msgstr "타� 셋..."
+msgstr "타�셋..."
 
 #: editor/editor_node.cpp editor/plugins/script_text_editor.cpp
 #: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
@@ -2659,7 +2696,7 @@ msgstr "�함"
 
 #: editor/editor_profiler.cpp
 msgid "Self"
-msgstr "Self(셀프)"
+msgstr "셀프"
 
 #: editor/editor_profiler.cpp
 msgid "Frame #:"
@@ -3043,14 +3080,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "파� 시스템�서 '%s'�(를) 찾� 수 없습니다!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "�네� 바둑�으로 보기."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "리스트로 보기."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "�태: 파� 가져오기 실패. 파�� 수정하고 \"다시 가져오기\"를 수행하세요."
@@ -3187,10 +3216,6 @@ msgid "Search files"
 msgstr "파� 검색"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "선�� 씬� 선�� 노드� ��으로 �스턴스 합니다."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3592,19 +3617,16 @@ msgstr "불러오기..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "��트 ��"
+msgstr "노드 ��트 ��"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "블렌드 시간 변경"
+msgstr "BlendSpace1D 제한 변경"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "블렌드 시간 변경"
+msgstr "BlendSpace1D �벨 변경"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3614,24 +3636,21 @@ msgstr "� 타입� 노드를 사용할 수 없습니다. 오� 루트 노드
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "노드 추가"
+msgstr "노드 ��트 추가"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "애니메�션 추가하기"
+msgstr "애니메�션 ��트 추가"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "경로 ��트 삭제"
+msgstr "BlendSpace1D ��트 삭제"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "BlendSpace1D 노드 ��트 ��"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3677,29 +3696,24 @@ msgid "Triangle already exists"
 msgstr "삼�형� �미 존재함"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "변수 추가"
+msgstr "삼�형 추가"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "블렌드 시간 변경"
+msgstr "BlendSpace2D 제한 변경"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "블렌드 시간 변경"
+msgstr "BlendSpace2D �벨 변경"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "경로 ��트 삭제"
+msgstr "BlendSpace2D ��트 삭제"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "변수 삭제"
+msgstr "BlendSpace2D 삼�형 삭제"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3710,9 +3724,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "삼�형� 존재하지 않습니다, 블랜딩� �어나지 않습니다."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "오토로드 글로벌 토글"
+msgstr "�� 삼�형 토글"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3732,9 +3745,8 @@ msgid "Blend:"
 msgstr "블렌드:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "머티리얼 변경"
+msgstr "매개변수 변경�"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3746,15 +3758,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "출력 노드를 블렌드 트리� 추가할 수 없습니다."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "트리�서 노드 추가"
+msgstr "BlendTree� 노드 추가"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "�� 모드"
+msgstr "노드 ���"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3763,36 +3773,30 @@ msgstr "ì—°ê²°í•  수 없습니다, í�¬íŠ¸ê°€ 사용 중ì�´ê±°ë‚˜ 유효하지 ì
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "연결�"
+msgstr "노드 연결�"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "연결 해제�"
+msgstr "노드 연결 해제�"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "새로운 애니메�션"
+msgstr "애니메�션 설정"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
 msgstr "노드 삭제"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "� 트랙� 키거나 �니다."
+msgstr "필터 켜기/�기 토글"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "로케� 필터 변경�"
+msgstr "필터 변경"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3814,9 +3818,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "노드 �름"
+msgstr "노드 �름 변경�"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4044,14 +4047,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "�차-애니메�션 블렌드 시간"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "�� 모드"
+msgstr "노드 ��"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "번역 추가"
+msgstr "전환 추가"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4087,18 +4088,16 @@ msgid "No playback resource set at path: %s."
 msgstr "다� 경로� 설정� 재� 리소스가 없습니다: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "제거�:"
+msgstr "노드 삭제�"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "전환 노드"
+msgstr "전환 삭제�"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "시작 노드 설정 (�� 재�)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4597,8 +4596,8 @@ msgid ""
 "Show a list of all objects at the position clicked\n"
 "(same as Alt+RMB in select mode)."
 msgstr ""
-"�릭한 위치� 있는 모든 오브�트들� 목�� 보여�니다.\n"
-"(선�모드�서 알트+우�릭과 같습니다.)"
+"�릭한 위치� 있는 모든 오브�트들� 목�� 보여�니다\n"
+"(선�모드�서 Alt+우�릭과 같습니다)."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Click to change object's rotation pivot."
@@ -4915,7 +4914,7 @@ msgstr "GI 프로브 굽기"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "기울기 편집�"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5173,6 +5172,10 @@ msgid "Generating Visibility Rect"
 msgstr "가시성 �사�형 만들기"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "가시성 �사�형� 만들기"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "오� ParticlesMaterial 프로세스 메테리얼 안� ��트만 설정 가능"
 
@@ -5185,10 +5188,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "�미지� 투명�가 128보다 � 픽셀� 없습니다..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "가시성 �사�형� 만들기"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "�미션 마스� 불러오기"
 
@@ -5204,7 +5203,7 @@ msgstr "CPU파티�로 변환"
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Particles"
-msgstr "파티�(Particles)"
+msgstr "파티�"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Generated Point Count:"
@@ -5276,13 +5275,13 @@ msgid "Generating AABB"
 msgstr "AABB �성 중"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "AABB 만들기"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "가시성 AABB 만들기"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "AABB 만들기"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "커브�서 ��트 삭제"
@@ -5867,6 +5866,14 @@ msgid "Open Godot online documentation"
 msgstr "Godot 온�� 문서 열기"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "레�런스 문서 검색."
 
@@ -6063,14 +6070,12 @@ msgstr ""
 "� 스켈레톤� 본� 가지고 있지 않습니다, ��으로 Bone2D 노드를 추가하세요."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "(본으로부터) 휴� �즈 만들기"
+msgstr "본으로부터 휴� �즈 만들기"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "(본으로부터) 휴� �즈 만들기"
+msgstr "본� 휴� �즈 설정"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6090,7 +6095,7 @@ msgstr "물리� 본 만들기"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
 msgid "Skeleton"
-msgstr "스켈레톤(Skeleton)"
+msgstr "스켈레톤"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
 msgid "Create physical skeleton"
@@ -6225,9 +6230,8 @@ msgid "Rear"
 msgstr "ë’·ë©´"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "ë·°ì—� ì •ë ¬"
+msgstr "뷰와 정렬"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6322,6 +6326,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"참고: FPS 값� �디터� 프레임 ��입니다.\n"
+"게임 내 성능� 보�하는 표시로 볼 수 없습니다."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6332,9 +6338,8 @@ msgid "XForm Dialog"
 msgstr "XForm 대화 ��"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "바닥� 스냅"
+msgstr "노드를 바닥� 스냅"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6706,7 +6711,7 @@ msgstr "분리.:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "TextureRegion"
-msgstr "TextureRegion"
+msgstr "�스�지역"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Can't save theme to file:"
@@ -6929,6 +6934,22 @@ msgid "Merge from Scene"
 msgstr "씬으로부터 병합하기"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "다� 좌표"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "다� 모양, 하위 타�, 혹� 타�� 선�하세요."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "�전 좌표"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "�전 모양, 하위 타�, 혹� 타�� 선�하세요."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "비트 마스� 복사하기."
 
@@ -6941,9 +6962,8 @@ msgid "Erase bitmask."
 msgstr "비트 마스� 지우기."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "새 노드 만들기."
+msgstr "새 사�형 만들기."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7084,6 +7104,14 @@ msgid "Clear Tile Bitmask"
 msgstr "타� 비트 마스� 지우기"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "오목한 �리곤 만들기"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "볼�한 �리곤 만들기"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "타� 삭제"
 
@@ -7121,30 +7149,27 @@ msgstr "� �성� 바꿀 수 없습니다."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "TileSet"
-msgstr "TileSet(타� 셋)"
+msgstr "타�셋"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "통� �름 설정"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "'%s'�(를) 기본으로 지정"
+msgstr "입력 기본 �트 설정"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "비주얼 셰��"
+msgstr "노드를 비주얼 셰��� 추가"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
 msgstr "노드 복제"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "비주얼 셰�� 입력 타입 변경�"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7163,14 +7188,12 @@ msgid "VisualShader"
 msgstr "비주얼 셰��"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "필터 우선 순위 편집"
+msgstr "비주얼 �성 편집�"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "셰�� 변경"
+msgstr "비주얼 셰�� 모드 변경�"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7189,6 +7212,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"'%s' 플랫�� 프로�트를 내보낼 수 없습니다.\n"
+"내보내기 템플릿� 없거나 올바르지 않습니다."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7196,6 +7221,8 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"'%s' 플랫�� 프로�트를 내보낼 수 없습니다.\n"
+"내보내기 프리셋�나 내보내기 설정� 구성 문제가 ��으로 보입니다."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7206,6 +7233,10 @@ msgid "Exporting All"
 msgstr "모� 내보내기"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "주어진 내보내기 경로가 존재하지 않습니다:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "� 플랫�� 대한 내보내기 템플릿� 없거나 ���:"
 
@@ -7223,7 +7254,7 @@ msgstr "경로 내보내기"
 
 #: editor/project_export.cpp
 msgid "Resources"
-msgstr "리소스(Resources)"
+msgstr "리소스"
 
 #: editor/project_export.cpp
 msgid "Export all resources in the project"
@@ -7753,7 +7784,7 @@ msgstr "�벤트 추가"
 
 #: editor/project_settings_editor.cpp
 msgid "Button"
-msgstr "버튼(Button)"
+msgstr "버튼"
 
 #: editor/project_settings_editor.cpp
 msgid "Left Button."
@@ -7885,7 +7916,7 @@ msgstr "ì•¡ì…˜:"
 
 #: editor/project_settings_editor.cpp
 msgid "Action"
-msgstr "ì•¡ì…˜(Action)"
+msgstr "ì•¡ì…˜"
 
 #: editor/project_settings_editor.cpp
 msgid "Deadzone"
@@ -8089,7 +8120,7 @@ msgstr "� 노드� 대해 카운터가 �가하는 양"
 
 #: editor/rename_dialog.cpp
 msgid "Padding"
-msgstr "패딩(Padding)"
+msgstr "패딩"
 
 #: editor/rename_dialog.cpp
 msgid ""
@@ -8233,9 +8264,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "�스턴트화� 씬� 루트가 � 수 없습니다"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "씬 루트 만들기"
+msgstr "노드를 루트로 만들기"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8274,9 +8304,8 @@ msgid "Make Local"
 msgstr "로컬로 만들기"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "씬 루트 만들기"
+msgstr "새 씬 루트"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8705,19 +8734,16 @@ msgid "Set From Tree"
 msgstr "트리로부터 설정"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "완화 out"
+msgstr "단축키 지우기"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "단축키"
+msgstr "단축키 복�"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "앵커 변경"
+msgstr "단축키 변경"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8926,9 +8952,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "그리드맵 선� 복제"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "그리드맵 설정"
+msgstr "그리드맵 칠하기"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9316,9 +9341,8 @@ msgid "Change Input Value"
 msgstr "입력 값 변경"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "CanvasItem �기 조절"
+msgstr "주� �기 조절"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9650,10 +9674,10 @@ msgid ""
 "Consider adding a CollisionShape2D or CollisionPolygon2D as a child to "
 "define its shape."
 msgstr ""
-"� 노드는 모양� 갖는 �� 노드가 없습니다, 다른 물체와 충�하거나 �호작용 "
+"� 노드는 Shape� 갖는 �� 노드가 없습니다, 다른 물체와 충�하거나 �호작용 "
 "할 수 없습니다.\n"
-"CollisionShape2D �는 CollisionPolygon2D를 �� 노드로 추가하여 모양� 정�하"
-"세요."
+"CollisionShape2D �는 CollisionPolygon2D를 �� 노드로 추가하여 Shape� 정�"
+"하세요."
 
 #: scene/2d/collision_polygon_2d.cpp
 msgid ""
@@ -9675,17 +9699,17 @@ msgid ""
 "CollisionObject2D derived node. Please only use it as a child of Area2D, "
 "StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape."
 msgstr ""
-"CollisionShape2D는 CollisionObject2D� 충� 모양� 지정하기 위해서만 사용�니"
-"다. Area2D, StaticBody2D, RigidBody2D, KinematicBody2D 등� �� 노드로 추가"
-"하여 사용합니다."
+"CollisionShape2D는 CollisionObject2D� 충� Shape� 지정하기 위해서만 사용�"
+"니다. Area2D, StaticBody2D, RigidBody2D, KinematicBody2D 등� �� 노드로 추"
+"가하여 사용합니다."
 
 #: scene/2d/collision_shape_2d.cpp
 msgid ""
 "A shape must be provided for CollisionShape2D to function. Please create a "
 "shape resource for it!"
 msgstr ""
-"CollisionShape2D가 기능� 하기 위해서는 반드시 모양� 제공�어야 합니다. 모"
-"양 리소스를 만드세요!"
+"CollisionShape2D가 기능� 하기 위해서는 반드시 Shape� 제공�어야 합니다. "
+"Shape 리소스를 만드세요!"
 
 #: scene/2d/cpu_particles_2d.cpp
 msgid ""
@@ -9858,9 +9882,9 @@ msgid ""
 "Consider adding a CollisionShape or CollisionPolygon as a child to define "
 "its shape."
 msgstr ""
-"� 노드는 모양� 갖는 �� 노드가 없습니다, 다른 물체와 충�하거나 �호작용 "
+"� 노드는 Shape� 갖는 �� 노드가 없습니다, 다른 물체와 충�하거나 �호작용 "
 "할 수 없습니다.\n"
-"CollisionShape �는 CollisionPolygon를 �� 노드로 추가하여 모양� 정�하세"
+"CollisionShape �는 CollisionPolygon를 �� 노드로 추가하여 Shape� 정�하세"
 "ìš”."
 
 #: scene/3d/collision_polygon.cpp
@@ -9869,7 +9893,7 @@ msgid ""
 "CollisionObject derived node. Please only use it as a child of Area, "
 "StaticBody, RigidBody, KinematicBody, etc. to give them a shape."
 msgstr ""
-"CollisionPolygon� CollisionObject� 충� 모양� 지정하기 위해서만 사용�니"
+"CollisionPolygon� CollisionObject� 충� Shape� 지정하기 위해서만 사용�니"
 "다. Area, StaticBody, RigidBody, KinematicBody 등� �� 노드로 추가하여 사용"
 "합니다."
 
@@ -9883,18 +9907,26 @@ msgid ""
 "derived node. Please only use it as a child of Area, StaticBody, RigidBody, "
 "KinematicBody, etc. to give them a shape."
 msgstr ""
-"CollisionShape� CollisionObject� 충� 모양� 지정하기 위해서만 사용�니다. "
-"Area, StaticBody, RigidBody, KinematicBody 등� �� 노드로 추가하여 사용합니"
-"다."
+"CollisionShape� CollisionObject� 충� Shape� 지정하기 위해서만 사용�니"
+"다. Area, StaticBody, RigidBody, KinematicBody 등� �� 노드로 추가하여 사용"
+"합니다."
 
 #: scene/3d/collision_shape.cpp
 msgid ""
 "A shape must be provided for CollisionShape to function. Please create a "
 "shape resource for it!"
 msgstr ""
-"CollisionShape가 기능� 하기 위해서는 모양� 제공�어야 합니다. 모양 리소스"
+"CollisionShape가 기능� 하기 위해서는 Shape� 제공�어야 합니다. Shape 리소스"
 "를 만드세요!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"�면 모양� 잘 작�하지 않으며 �후 버전�서 제거� 예정입니다. 사용하지 �아"
+"주세요."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "지정� 메시가 없으므로 메시를 볼 수 없습니다."
@@ -9911,6 +9943,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "메시 구분중"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"GIProbe는 GLES2 비디오 드��버�서 지�하지 않습니다.\n"
+"BakedLightmap� 사용하세요."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10080,6 +10120,16 @@ msgstr "16 진수나 코드 값으로 전환합니다."
 msgid "Add current color as a preset."
 msgstr "현재 색�� 프리셋으로 추가합니다."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"컨테�너 �체는 �� 배치 행�� 구성하지 않는 한 용�가 없습니다.\n"
+"스�립트를 추가하지 않는 경우, 순수한 'Control' 노드를 사용해주세요."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "경고!"
@@ -10088,6 +10138,10 @@ msgstr "경고!"
 msgid "Please Confirm..."
 msgstr "확�해주세요..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "부모 ��로 ��합니다."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10171,6 +10225,9 @@ msgstr "균�하게 배치함."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Varyings는 오� 버�스 함수�서만 지정할 수 있습니다."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "선�� 씬� 선�� 노드� ��으로 �스턴스 합니다."
+
 #~ msgid "FPS"
 #~ msgstr "초당 프레임"
 
@@ -11651,9 +11708,6 @@ msgstr "Varyings는 오� 버�스 함수�서만 지정할 수 있습니다.
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "하위 디렉토리로 ��할 수 없습니다:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "가져온 리소스"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "키 삽입 (Ins 키)"
 
diff --git a/editor/translations/lt.po b/editor/translations/lt.po
index cf5799620e..27fa42d705 100644
--- a/editor/translations/lt.po
+++ b/editor/translations/lt.po
@@ -1366,8 +1366,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1417,7 +1431,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1492,10 +1506,32 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Pasirinkite Nodus, kuriuos norite importuoti"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Pasirinkite Nodus, kuriuos norite importuoti"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1719,8 +1755,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1729,6 +1765,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2975,14 +3021,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3124,10 +3162,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5095,19 +5129,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5198,11 +5232,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5800,6 +5834,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6864,6 +6906,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7014,6 +7072,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Keisti Poligono SkalÄ™"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Keisti Poligono SkalÄ™"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Panaikinti"
 
@@ -7136,6 +7204,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9715,6 +9787,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9729,6 +9807,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9879,6 +9963,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Įspėjimas!"
@@ -9887,6 +9979,10 @@ msgstr "Įspėjimas!"
 msgid "Please Confirm..."
 msgstr "Prašome Patvirtinti..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/lv.po b/editor/translations/lv.po
index 8cf29d32cb..4c46135e35 100644
--- a/editor/translations/lv.po
+++ b/editor/translations/lv.po
@@ -1372,8 +1372,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1423,7 +1437,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1498,10 +1512,32 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Izvēlēties šo Mapi"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Izvēlēties šo Mapi"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1724,8 +1760,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1734,6 +1770,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2973,14 +3019,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3119,10 +3157,6 @@ msgid "Search files"
 msgstr "Meklēt:"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5077,19 +5111,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5180,11 +5214,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5777,6 +5811,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6844,6 +6886,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6994,6 +7052,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Izveidot"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Noņemt"
@@ -7115,6 +7182,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9679,6 +9750,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9693,6 +9770,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9840,6 +9923,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Pievienot pašreizējo kr�su k� iepriekšnoteiktu kr�su"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Brīdin�jums!"
@@ -9848,6 +9939,10 @@ msgstr "Brīdin�jums!"
 msgid "Please Confirm..."
 msgstr "LÅ«dzu Apstipriniet..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/mi.po b/editor/translations/mi.po
new file mode 100644
index 0000000000..bd3832641d
--- /dev/null
+++ b/editor/translations/mi.po
@@ -0,0 +1,9865 @@
+# LANGUAGE translation of the Godot Engine editor
+# Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.
+# Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)
+# This file is distributed under the same license as the Godot source code.
+# follower <follower@rancidbacon.com>, 2019.
+msgid ""
+msgstr ""
+"Project-Id-Version: Godot Engine editor\n"
+"Language: mi\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8-bit\n"
+
+#: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
+#: modules/visual_script/visual_script_builtin_funcs.cpp
+msgid "Invalid type argument to convert(), use TYPE_* constants."
+msgstr ""
+
+#: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
+#: modules/mono/glue/gd_glue.cpp
+#: modules/visual_script/visual_script_builtin_funcs.cpp
+msgid "Not enough bytes for decoding bytes, or invalid format."
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "Invalid input %i (not passed) in expression"
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "self can't be used because instance is null (not passed)"
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "Invalid operands to operator %s, %s and %s."
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "Invalid index of type %s for base type %s"
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "Invalid named index '%s' for base type %s"
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "Invalid arguments to construct '%s'"
+msgstr ""
+
+#: core/math/expression.cpp
+msgid "On call to '%s':"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Free"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Balanced"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Mirror"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Insert Key Here"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Duplicate Selected Key(s)"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Delete Selected Key(s)"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Add Bezier Point"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp
+msgid "Move Bezier Points"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
+msgid "Anim Duplicate Keys"
+msgstr ""
+
+#: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
+msgid "Anim Delete Keys"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Change Keyframe Time"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Change Transition"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Change Transform"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Change Keyframe Value"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Change Call"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Animation Length"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Change Animation Loop"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Property Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "3D Transform Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Call Method Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Bezier Curve Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Audio Playback Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation Playback Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Add Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation Length Time (seconds)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation Looping"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Functions:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Audio Clips:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Clips:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Track Path"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Toggle this track on/off."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Update Mode (How this property is set)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Interpolation Mode"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Remove this track."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Time (s): "
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Toggle Track Enabled"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Continuous"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Discrete"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Trigger"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Capture"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Nearest"
+msgstr ""
+
+#: editor/animation_track_editor.cpp editor/plugins/curve_editor_plugin.cpp
+#: editor/property_editor.cpp
+msgid "Linear"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Cubic"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clamp Loop Interp"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Wrap Loop Interp"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Insert Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Duplicate Key(s)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Delete Key(s)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Animation Update Mode"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Animation Interpolation Mode"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Animation Loop Mode"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Remove Anim Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Create NEW track for %s and insert key?"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Create %d NEW tracks and insert keys?"
+msgstr ""
+
+#: editor/animation_track_editor.cpp editor/create_dialog.cpp
+#: editor/editor_audio_buses.cpp editor/editor_plugin_settings.cpp
+#: editor/plugin_config_dialog.cpp
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp editor/script_create_dialog.cpp
+msgid "Create"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Insert"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "AnimationPlayer can't animate itself, only other players."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Create & Insert"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Insert Track & Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Insert Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Change Animation Step"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Rearrange Tracks"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Transform tracks only apply to Spatial-based nodes."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid ""
+"Audio tracks can only point to nodes of type:\n"
+"-AudioStreamPlayer\n"
+"-AudioStreamPlayer2D\n"
+"-AudioStreamPlayer3D"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation tracks can only point to AnimationPlayer nodes."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "An animation player can't animate itself, only other players."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Not possible to add a new track without a root"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Add Bezier Track"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Track path is invalid, so can't add a key."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Track is not of type Spatial, can't insert key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Add Transform Track Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Add Track Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Track path is invalid, so can't add a method key."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Add Method Track Key"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Method not found in object: "
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Move Keys"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clipboard is empty"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Paste Tracks"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim Scale Keys"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid ""
+"This option does not work for Bezier editing, as it's only a single track."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Only show tracks from nodes selected in tree."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Group tracks by node or display them as plain list."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Snap (s): "
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation step value."
+msgstr ""
+
+#: editor/animation_track_editor.cpp editor/editor_properties.cpp
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+#: editor/plugins/shader_editor_plugin.cpp editor/plugins/text_editor.cpp
+#: editor/project_manager.cpp editor/project_settings_editor.cpp
+#: editor/property_editor.cpp modules/visual_script/visual_script_editor.cpp
+msgid "Edit"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Animation properties."
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Copy Tracks"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Scale Selection"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Scale From Cursor"
+msgstr ""
+
+#: editor/animation_track_editor.cpp modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Duplicate Selection"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Duplicate Transposed"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Delete Selection"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Go to Next Step"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Go to Previous Step"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Optimize Animation"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clean-Up Animation"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Pick the node that will be animated:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Use Bezier Curves"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Anim. Optimizer"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Max. Linear Error:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Max. Angular Error:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Max Optimizable Angle:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Optimize"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Remove invalid keys"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Remove unresolved and empty tracks"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clean-up all animations"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clean-Up Animation(s) (NO UNDO!)"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Clean-Up"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Scale Ratio:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp
+msgid "Select tracks to copy:"
+msgstr ""
+
+#: editor/animation_track_editor.cpp editor/editor_properties.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp editor/property_editor.cpp
+#: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
+msgid "Copy"
+msgstr ""
+
+#: editor/animation_track_editor_plugins.cpp
+msgid "Add Audio Track Clip"
+msgstr ""
+
+#: editor/animation_track_editor_plugins.cpp
+msgid "Change Audio Track Clip Start Offset"
+msgstr ""
+
+#: editor/animation_track_editor_plugins.cpp
+msgid "Change Audio Track Clip End Offset"
+msgstr ""
+
+#: editor/array_property_edit.cpp
+msgid "Resize Array"
+msgstr ""
+
+#: editor/array_property_edit.cpp
+msgid "Change Array Value Type"
+msgstr ""
+
+#: editor/array_property_edit.cpp
+msgid "Change Array Value"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Go to Line"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Line Number:"
+msgstr ""
+
+#: editor/code_editor.cpp editor/editor_help.cpp
+msgid "No Matches"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Replaced %d occurrence(s)."
+msgstr ""
+
+#: editor/code_editor.cpp editor/find_in_files.cpp
+msgid "Match Case"
+msgstr ""
+
+#: editor/code_editor.cpp editor/find_in_files.cpp
+msgid "Whole Words"
+msgstr ""
+
+#: editor/code_editor.cpp editor/rename_dialog.cpp
+msgid "Replace"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Replace All"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Selection Only"
+msgstr ""
+
+#: editor/code_editor.cpp editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/texture_region_editor_plugin.cpp
+#: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
+msgid "Zoom In"
+msgstr ""
+
+#: editor/code_editor.cpp editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/texture_region_editor_plugin.cpp
+#: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
+msgid "Zoom Out"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Reset Zoom"
+msgstr ""
+
+#: editor/code_editor.cpp modules/mono/editor/mono_bottom_panel.cpp
+msgid "Warnings"
+msgstr ""
+
+#: editor/code_editor.cpp
+msgid "Line and column numbers."
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Method in target Node must be specified!"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid ""
+"Target method not found! Specify a valid method or attach a script to target "
+"Node."
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Connect To Node:"
+msgstr ""
+
+#: editor/connections_dialog.cpp editor/editor_autoload_settings.cpp
+#: editor/groups_editor.cpp editor/plugins/item_list_editor_plugin.cpp
+#: editor/plugins/theme_editor_plugin.cpp editor/project_settings_editor.cpp
+msgid "Add"
+msgstr ""
+
+#: editor/connections_dialog.cpp editor/dependency_editor.cpp
+#: editor/groups_editor.cpp editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/theme_editor_plugin.cpp editor/project_manager.cpp
+#: editor/project_settings_editor.cpp
+msgid "Remove"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Add Extra Call Argument:"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Extra Call Arguments:"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Path to Node:"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Make Function"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Deferred"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Oneshot"
+msgstr ""
+
+#: editor/connections_dialog.cpp editor/dependency_editor.cpp
+#: editor/export_template_manager.cpp editor/groups_editor.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp editor/project_export.cpp
+#: editor/project_settings_editor.cpp editor/property_editor.cpp
+#: editor/run_settings_dialog.cpp editor/settings_config_dialog.cpp
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Close"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Connect"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Connect '%s' to '%s'"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Disconnect '%s' from '%s'"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Disconnect all from signal: '%s'"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Connect..."
+msgstr ""
+
+#: editor/connections_dialog.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Disconnect"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Connect Signal: "
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Edit Connection: "
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Are you sure you want to remove all connections from the \"%s\" signal?"
+msgstr ""
+
+#: editor/connections_dialog.cpp editor/editor_help.cpp editor/node_dock.cpp
+msgid "Signals"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Are you sure you want to remove all connections from this signal?"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Disconnect All"
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Edit..."
+msgstr ""
+
+#: editor/connections_dialog.cpp
+msgid "Go To Method"
+msgstr ""
+
+#: editor/create_dialog.cpp
+msgid "Change %s Type"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/project_settings_editor.cpp
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change"
+msgstr ""
+
+#: editor/create_dialog.cpp
+msgid "Create New %s"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/editor_file_dialog.cpp
+#: editor/filesystem_dock.cpp
+msgid "Favorites:"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/editor_file_dialog.cpp
+msgid "Recent:"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/plugins/asset_library_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp editor/project_manager.cpp
+#: editor/property_selector.cpp editor/quick_open.cpp
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Search:"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/plugins/script_editor_plugin.cpp
+#: editor/property_selector.cpp editor/quick_open.cpp
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Matches:"
+msgstr ""
+
+#: editor/create_dialog.cpp editor/plugin_config_dialog.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp editor/property_selector.cpp
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Description:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Search Replacement For:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Dependencies For:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid ""
+"Scene '%s' is currently being edited.\n"
+"Changes will not take effect unless reloaded."
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid ""
+"Resource '%s' is in use.\n"
+"Changes will take effect when reloaded."
+msgstr ""
+
+#: editor/dependency_editor.cpp
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Dependencies"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Resource"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/editor_autoload_settings.cpp
+#: editor/project_settings_editor.cpp editor/script_create_dialog.cpp
+msgid "Path"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Dependencies:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Fix Broken"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Dependency Editor"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Search Replacement Resource:"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/editor_file_dialog.cpp
+#: editor/editor_help_search.cpp editor/editor_node.cpp
+#: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
+#: editor/property_selector.cpp editor/quick_open.cpp
+#: editor/script_create_dialog.cpp
+#: modules/visual_script/visual_script_property_selector.cpp
+#: scene/gui/file_dialog.cpp
+msgid "Open"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Owners Of:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Remove selected files from the project? (no undo)"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid ""
+"The files being removed are required by other resources in order for them to "
+"work.\n"
+"Remove them anyway? (no undo)"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/export_template_manager.cpp
+msgid "Cannot remove:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Error loading:"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Load failed due to missing dependencies:"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/editor_node.cpp
+msgid "Open Anyway"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Which action should be taken?"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Fix Dependencies"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Errors loading!"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Permanently delete %d item(s)? (No undo!)"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Owns"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Resources Without Explicit Ownership:"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/editor_node.cpp
+msgid "Orphan Resource Explorer"
+msgstr ""
+
+#: editor/dependency_editor.cpp
+msgid "Delete selected files?"
+msgstr ""
+
+#: editor/dependency_editor.cpp editor/editor_audio_buses.cpp
+#: editor/editor_file_dialog.cpp editor/editor_node.cpp
+#: editor/filesystem_dock.cpp editor/plugins/item_list_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp editor/project_export.cpp
+#: editor/project_settings_editor.cpp editor/scene_tree_dock.cpp
+msgid "Delete"
+msgstr ""
+
+#: editor/dictionary_property_edit.cpp
+msgid "Change Dictionary Key"
+msgstr ""
+
+#: editor/dictionary_property_edit.cpp
+msgid "Change Dictionary Value"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Thanks from the Godot community!"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Godot Engine contributors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Project Founders"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Lead Developer"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Project Manager "
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Developers"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Authors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Platinum Sponsors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Gold Sponsors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Mini Sponsors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Gold Donors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Silver Donors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Bronze Donors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Donors"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "License"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Thirdparty License"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid ""
+"Godot Engine relies on a number of thirdparty free and open source "
+"libraries, all compatible with the terms of its MIT license. The following "
+"is an exhaustive list of all such thirdparty components with their "
+"respective copyright statements and license terms."
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "All Components"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Components"
+msgstr ""
+
+#: editor/editor_about.cpp
+msgid "Licenses"
+msgstr ""
+
+#: editor/editor_asset_installer.cpp editor/project_manager.cpp
+msgid "Error opening package file, not in zip format."
+msgstr ""
+
+#: editor/editor_asset_installer.cpp
+msgid "Uncompressing Assets"
+msgstr ""
+
+#: editor/editor_asset_installer.cpp editor/project_manager.cpp
+msgid "Package installed successfully!"
+msgstr ""
+
+#: editor/editor_asset_installer.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Success!"
+msgstr ""
+
+#: editor/editor_asset_installer.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Install"
+msgstr ""
+
+#: editor/editor_asset_installer.cpp
+msgid "Package Installer"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Speakers"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Add Effect"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Rename Audio Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Change Audio Bus Volume"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Toggle Audio Bus Solo"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Toggle Audio Bus Mute"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Toggle Audio Bus Bypass Effects"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Select Audio Bus Send"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Add Audio Bus Effect"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Move Bus Effect"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Delete Bus Effect"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Audio Bus, Drag and Drop to rearrange."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Solo"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Mute"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Bypass"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Bus options"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp editor/filesystem_dock.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp editor/scene_tree_dock.cpp
+msgid "Duplicate"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Reset Volume"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Delete Effect"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Audio"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Add Audio Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Master bus can't be deleted!"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Delete Audio Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Duplicate Audio Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Reset Bus Volume"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Move Audio Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Save Audio Bus Layout As..."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Location for New Layout..."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Open Audio Bus Layout"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "There is no 'res://default_bus_layout.tres' file."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Invalid file, not an audio bus layout."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Add Bus"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Add a new Audio Bus to this layout."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp editor/editor_properties.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
+#: editor/script_create_dialog.cpp
+msgid "Load"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Load an existing Bus Layout."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Save As"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Save this Bus Layout to a file."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp editor/import_dock.cpp
+msgid "Load Default"
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Load the default Bus Layout."
+msgstr ""
+
+#: editor/editor_audio_buses.cpp
+msgid "Create a new Bus Layout."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Invalid name."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Valid characters:"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Invalid name. Must not collide with an existing engine class name."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Invalid name. Must not collide with an existing buit-in type name."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Invalid name. Must not collide with an existing global constant name."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Autoload '%s' already exists!"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Rename Autoload"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Toggle AutoLoad Globals"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Move Autoload"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Remove Autoload"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Enable"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Rearrange Autoloads"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Invalid Path."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "File does not exist."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Not in resource path."
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Add AutoLoad"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp editor/editor_file_dialog.cpp
+#: editor/plugins/animation_tree_editor_plugin.cpp scene/gui/file_dialog.cpp
+msgid "Path:"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Node Name:"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp editor/editor_help_search.cpp
+#: editor/editor_profiler.cpp editor/settings_config_dialog.cpp
+msgid "Name"
+msgstr ""
+
+#: editor/editor_autoload_settings.cpp
+msgid "Singleton"
+msgstr ""
+
+#: editor/editor_data.cpp
+msgid "Updating Scene"
+msgstr ""
+
+#: editor/editor_data.cpp
+msgid "Storing local changes..."
+msgstr ""
+
+#: editor/editor_data.cpp
+msgid "Updating scene..."
+msgstr ""
+
+#: editor/editor_data.cpp editor/editor_properties.cpp
+msgid "[empty]"
+msgstr ""
+
+#: editor/editor_data.cpp
+msgid "[unsaved]"
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp
+msgid "Please select a base directory first"
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp
+msgid "Choose a Directory"
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
+#: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
+msgid "Create Folder"
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
+#: editor/editor_plugin_settings.cpp editor/filesystem_dock.cpp
+#: editor/plugins/theme_editor_plugin.cpp editor/project_export.cpp
+#: scene/gui/file_dialog.cpp
+msgid "Name:"
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
+#: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
+msgid "Could not create folder."
+msgstr ""
+
+#: editor/editor_dir_dialog.cpp
+msgid "Choose"
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid "Storing File:"
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid "No export template found at the expected path:"
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid "Packing"
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+
+#: editor/editor_export.cpp platform/android/export/export.cpp
+#: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
+#: platform/osx/export/export.cpp platform/uwp/export/export.cpp
+msgid "Custom debug template not found."
+msgstr ""
+
+#: editor/editor_export.cpp platform/android/export/export.cpp
+#: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
+#: platform/osx/export/export.cpp platform/uwp/export/export.cpp
+msgid "Custom release template not found."
+msgstr ""
+
+#: editor/editor_export.cpp platform/javascript/export/export.cpp
+msgid "Template file not found:"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Select Current Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "File Exists, Overwrite?"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Select This Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "Copy Path"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "Open in File Manager"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#: editor/project_manager.cpp
+msgid "Show in File Manager"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "New Folder..."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Refresh"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "All Recognized"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "All Files (*)"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Open a File"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Open File(s)"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Open a Directory"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Open a File or Directory"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/editor_node.cpp
+#: editor/editor_properties.cpp editor/inspector_dock.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp scene/gui/file_dialog.cpp
+msgid "Save"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Save a File"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Go Back"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Go Forward"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Go Up"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Toggle Hidden Files"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Toggle Favorite"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Toggle Mode"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Focus Path"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Move Favorite Up"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Move Favorite Down"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Go to parent folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Directories & Files:"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/plugins/sprite_editor_plugin.cpp
+#: editor/plugins/style_box_editor_plugin.cpp
+msgid "Preview:"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "File:"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+msgid "Must use a valid extension."
+msgstr ""
+
+#: editor/editor_file_system.cpp
+msgid "ScanSources"
+msgstr ""
+
+#: editor/editor_file_system.cpp
+msgid "(Re)Importing Assets"
+msgstr ""
+
+#: editor/editor_help.cpp editor/plugins/spatial_editor_plugin.cpp
+msgid "Top"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Class:"
+msgstr ""
+
+#: editor/editor_help.cpp editor/scene_tree_editor.cpp
+msgid "Inherits:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Inherited by:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Brief Description:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Properties"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Properties:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Methods"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Methods:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Theme Properties"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Theme Properties:"
+msgstr ""
+
+#: editor/editor_help.cpp modules/visual_script/visual_script_editor.cpp
+msgid "Signals:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Enumerations"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Enumerations:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "enum  "
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Constants"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Constants:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Class Description"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Class Description:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Online Tutorials:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid ""
+"There are currently no tutorials for this class, you can [color=$color][url="
+"$url]contribute one[/url][/color] or [color=$color][url=$url2]request one[/"
+"url][/color]."
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Property Descriptions"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Property Descriptions:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid ""
+"There is currently no description for this property. Please help us by "
+"[color=$color][url=$url]contributing one[/url][/color]!"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Method Descriptions"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid "Method Descriptions:"
+msgstr ""
+
+#: editor/editor_help.cpp
+msgid ""
+"There is currently no description for this method. Please help us by [color="
+"$color][url=$url]contributing one[/url][/color]!"
+msgstr ""
+
+#: editor/editor_help_search.cpp editor/editor_node.cpp
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Search Help"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Display All"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Classes Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Methods Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Signals Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Constants Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Properties Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Theme Properties Only"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Member Type"
+msgstr ""
+
+#: editor/editor_help_search.cpp
+msgid "Class"
+msgstr ""
+
+#: editor/editor_inspector.cpp editor/project_settings_editor.cpp
+msgid "Property:"
+msgstr ""
+
+#: editor/editor_inspector.cpp
+msgid "Set"
+msgstr ""
+
+#: editor/editor_inspector.cpp
+msgid "Set Multiple:"
+msgstr ""
+
+#: editor/editor_log.cpp
+msgid "Output:"
+msgstr ""
+
+#: editor/editor_log.cpp editor/editor_profiler.cpp
+#: editor/editor_properties.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+#: editor/property_editor.cpp editor/scene_tree_dock.cpp
+#: editor/script_editor_debugger.cpp
+#: modules/gdnative/gdnative_library_editor_plugin.cpp scene/gui/line_edit.cpp
+#: scene/gui/text_edit.cpp
+msgid "Clear"
+msgstr ""
+
+#: editor/editor_log.cpp
+msgid "Clear Output"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Project export failed with error code %d."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
+#: scene/gui/dialogs.cpp
+msgid "OK"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Save Resource As..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Can't open file for writing:"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Requested file format unknown:"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error while saving."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
+msgid "Can't open '%s'. The file could have been moved or deleted."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error while parsing '%s'."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Unexpected end of file '%s'."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Missing '%s' or its dependencies."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error while loading '%s'."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Saving Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Analyzing"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Creating Thumbnail"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "This operation can't be done without a tree root."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This scene can't be saved because there is a cyclic instancing inclusion.\n"
+"Please resolve it and then attempt to save again."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Couldn't save scene. Likely dependencies (instances or inheritance) couldn't "
+"be satisfied."
+msgstr ""
+
+#: editor/editor_node.cpp editor/scene_tree_dock.cpp
+msgid "Can't overwrite scene that is still open!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Can't load MeshLibrary for merging!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error saving MeshLibrary!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Can't load TileSet for merging!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error saving TileSet!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Error trying to save layout!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Default editor layout overridden."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Layout name not found!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Restored default layout to base settings."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource belongs to a scene that was imported, so it's not editable.\n"
+"Please read the documentation relevant to importing scenes to better "
+"understand this workflow."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource belongs to a scene that was instanced or inherited.\n"
+"Changes to it will not be kept when saving the current scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource was imported, so it's not editable. Change its settings in the "
+"import panel and then re-import."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This scene was imported, so changes to it will not be kept.\n"
+"Instancing it or inheriting will allow making changes to it.\n"
+"Please read the documentation relevant to importing scenes to better "
+"understand this workflow."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This is a remote object so changes to it will not be kept.\n"
+"Please read the documentation relevant to debugging to better understand "
+"this workflow."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "There is no defined scene to run."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"No main scene has ever been defined, select one?\n"
+"You can change it later in \"Project Settings\" under the 'application' "
+"category."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Selected scene '%s' does not exist, select a valid one?\n"
+"You can change it later in \"Project Settings\" under the 'application' "
+"category."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Selected scene '%s' is not a scene file, select a valid one?\n"
+"You can change it later in \"Project Settings\" under the 'application' "
+"category."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Current scene was never saved, please save it prior to running."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Could not start subprocess!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Base Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Quick Open Scene..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Quick Open Script..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save & Close"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save changes to '%s' before closing?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Saved %s modified resource(s)."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "A root node is required to save the scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save Scene As..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "No"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Yes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "This scene has never been saved. Save before running?"
+msgstr ""
+
+#: editor/editor_node.cpp editor/scene_tree_dock.cpp
+msgid "This operation can't be done without a scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Export Mesh Library"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "This operation can't be done without a root node."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Export Tile Set"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "This operation can't be done without a selected node."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Current scene not saved. Open anyway?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Can't reload a scene that was never saved."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Revert"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "This action cannot be undone. Revert anyway?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Quick Run Scene..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Quit"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Exit the editor?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Project Manager?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save & Quit"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save changes to the following scene(s) before quitting?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save changes the following scene(s) before opening Project Manager?"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This option is deprecated. Situations where refresh must be forced are now "
+"considered a bug. Please report."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Pick a Main Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Unable to enable addon plugin at: '%s' parsing of config failed."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Unable to find script field for addon plugin at: 'res://addons/%s'."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Unable to load addon script from path: '%s'."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Unable to load addon script from path: '%s' There seems to be an error in "
+"the code, please check the syntax."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Unable to load addon script from path: '%s' Base type is not EditorPlugin."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Unable to load addon script from path: '%s' Script is not in tool mode."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Scene '%s' was automatically imported, so it can't be modified.\n"
+"To make changes to it, a new inherited scene can be created."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Error loading scene, it must be inside the project path. Use 'Import' to "
+"open the scene, then save it inside the project path."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Scene '%s' has broken dependencies:"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Clear Recent Scenes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save Layout"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Delete Layout"
+msgstr ""
+
+#: editor/editor_node.cpp editor/import_dock.cpp
+#: editor/script_create_dialog.cpp
+msgid "Default"
+msgstr ""
+
+#: editor/editor_node.cpp editor/editor_properties.cpp
+#: editor/plugins/script_editor_plugin.cpp editor/property_editor.cpp
+msgid "Show in FileSystem"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play This Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Close Tab"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Switch Scene Tab"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "%d more files or folders"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "%d more folders"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "%d more files"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Dock Position"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Distraction Free Mode"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Toggle distraction-free mode."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Add a new scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Go to previously opened scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Next tab"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Previous tab"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Filter Files..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Operations with scene files."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "New Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "New Inherited Scene..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Scene..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Save All Scenes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Close Scene"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
+msgid "Open Recent"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Convert To..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "MeshLibrary..."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "TileSet..."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_text_editor.cpp
+#: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
+msgid "Undo"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_text_editor.cpp
+#: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
+msgid "Redo"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Revert Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Miscellaneous project or scene-wide tools."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Project"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Project Settings"
+msgstr ""
+
+#: editor/editor_node.cpp editor/project_export.cpp
+msgid "Export"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/tile_set_editor_plugin.cpp
+msgid "Tools"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Project Data Folder"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Quit to Project List"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
+#: editor/project_export.cpp
+msgid "Debug"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Deploy with Remote Debug"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"When exporting or deploying, the resulting executable will attempt to "
+"connect to the IP of this computer in order to be debugged."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Small Deploy with Network FS"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"When this option is enabled, export or deploy will produce a minimal "
+"executable.\n"
+"The filesystem will be provided from the project by the editor over the "
+"network.\n"
+"On Android, deploy will use the USB cable for faster performance. This "
+"option speeds up testing for games with a large footprint."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Visible Collision Shapes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Collision shapes and raycast nodes (for 2D and 3D) will be visible on the "
+"running game if this option is turned on."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Visible Navigation"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"Navigation meshes and polygons will be visible on the running game if this "
+"option is turned on."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Sync Scene Changes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"When this option is turned on, any changes made to the scene in the editor "
+"will be replicated in the running game.\n"
+"When used remotely on a device, this is more efficient with network "
+"filesystem."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Sync Script Changes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"When this option is turned on, any script that is saved will be reloaded on "
+"the running game.\n"
+"When used remotely on a device, this is more efficient with network "
+"filesystem."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Editor"
+msgstr ""
+
+#: editor/editor_node.cpp editor/settings_config_dialog.cpp
+msgid "Editor Settings"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Editor Layout"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Toggle Fullscreen"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Editor Data/Settings Folder"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Editor Data Folder"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Editor Settings Folder"
+msgstr ""
+
+#: editor/editor_node.cpp editor/project_export.cpp
+msgid "Manage Export Templates"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Help"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+#: editor/plugins/shader_editor_plugin.cpp editor/plugins/text_editor.cpp
+#: editor/project_settings_editor.cpp editor/rename_dialog.cpp
+msgid "Search"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
+msgid "Online Docs"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Q&A"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Issue Tracker"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
+msgid "Community"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "About"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play the project."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Pause the scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Pause Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Stop the scene."
+msgstr ""
+
+#: editor/editor_node.cpp editor/editor_profiler.cpp
+msgid "Stop"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play the edited scene."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play custom scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Play Custom Scene"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Changing the video driver requires restarting the editor."
+msgstr ""
+
+#: editor/editor_node.cpp editor/project_settings_editor.cpp
+#: editor/settings_config_dialog.cpp
+msgid "Save & Restart"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Spins when the editor window redraws."
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Update Always"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Update Changes"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Disable Update Spinner"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
+#: editor/project_manager.cpp
+msgid "Import"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "FileSystem"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Inspector"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Node"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Expand Bottom Panel"
+msgstr ""
+
+#: editor/editor_node.cpp scene/resources/visual_shader.cpp
+msgid "Output"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Don't Save"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Import Templates From ZIP File"
+msgstr ""
+
+#: editor/editor_node.cpp editor/project_export.cpp
+msgid "Export Project"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Export Library"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Merge With Existing"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Password:"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open & Run a Script"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "New Inherited"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Load Errors"
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/tile_map_editor_plugin.cpp
+msgid "Select"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open 2D Editor"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open 3D Editor"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open Script Editor"
+msgstr ""
+
+#: editor/editor_node.cpp editor/project_manager.cpp
+msgid "Open Asset Library"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open the next Editor"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid "Open the previous Editor"
+msgstr ""
+
+#: editor/editor_plugin.cpp
+msgid "Creating Mesh Previews"
+msgstr ""
+
+#: editor/editor_plugin.cpp
+msgid "Thumbnail..."
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp
+msgid "Edit Plugin"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp
+msgid "Installed Plugins:"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
+msgid "Update"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Version:"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
+msgid "Author:"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp
+msgid "Status:"
+msgstr ""
+
+#: editor/editor_plugin_settings.cpp
+msgid "Edit:"
+msgstr ""
+
+#: editor/editor_profiler.cpp editor/plugins/animation_state_machine_editor.cpp
+#: editor/rename_dialog.cpp
+msgid "Start"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Measure:"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Frame Time (sec)"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Average Time (sec)"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Frame %"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Physics Frame %"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Time:"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Inclusive"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Self"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Frame #:"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Time"
+msgstr ""
+
+#: editor/editor_profiler.cpp
+msgid "Calls"
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid "On"
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid "Layer"
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid "Bit %d, value %d"
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid "[Empty]"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/plugins/root_motion_editor_plugin.cpp
+msgid "Assign..."
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid "Invalid RID"
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid ""
+"The selected resource (%s) does not match any type expected for this "
+"property (%s)."
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid ""
+"Can't create a ViewportTexture on resources saved as a file.\n"
+"Resource needs to belong to a scene."
+msgstr ""
+
+#: editor/editor_properties.cpp
+msgid ""
+"Can't create a ViewportTexture on this resource because it's not set as "
+"local to scene.\n"
+"Please switch on the 'local to scene' property on it (and all resources "
+"containing it up to a node)."
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "Pick a Viewport"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "New Script"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "New %s"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "Make Unique"
+msgstr ""
+
+#: editor/editor_properties.cpp
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+#: editor/plugins/tile_map_editor_plugin.cpp editor/property_editor.cpp
+#: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
+msgid "Paste"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "Convert To %s"
+msgstr ""
+
+#: editor/editor_properties.cpp
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Open Editor"
+msgstr ""
+
+#: editor/editor_properties.cpp editor/property_editor.cpp
+msgid "Selected node is not a Viewport!"
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+msgid "Size: "
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+msgid "Page: "
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+msgid "New Key:"
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+msgid "New Value:"
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+msgid "Add Key/Value Pair"
+msgstr ""
+
+#: editor/editor_properties_array_dict.cpp
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Remove Item"
+msgstr ""
+
+#: editor/editor_run_native.cpp
+msgid "Select device from the list"
+msgstr ""
+
+#: editor/editor_run_native.cpp
+msgid ""
+"No runnable export preset found for this platform.\n"
+"Please add a runnable preset in the export menu."
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "Write your logic in the _run() method."
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "There is an edited scene already."
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "Couldn't instance script:"
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "Did you forget the 'tool' keyword?"
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "Couldn't run script:"
+msgstr ""
+
+#: editor/editor_run_script.cpp
+msgid "Did you forget the '_run' method?"
+msgstr ""
+
+#: editor/editor_sub_scene.cpp
+msgid "Select Node(s) to Import"
+msgstr ""
+
+#: editor/editor_sub_scene.cpp
+msgid "Scene Path:"
+msgstr ""
+
+#: editor/editor_sub_scene.cpp
+msgid "Import From Node:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Re-Download"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Uninstall"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "(Installed)"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Download"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "(Missing)"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "(Current)"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Retrieving mirrors, please wait..."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Remove template version '%s'?"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Can't open export templates zip."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Invalid version.txt format inside templates: %s."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "No version.txt found inside templates."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Error creating path for templates:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Extracting Export Templates"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Importing:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid ""
+"No download links found for this version. Direct download is only available "
+"for official releases."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Can't resolve."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Can't connect."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "No response."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Request Failed."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Redirect Loop."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Failed:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Download Complete."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid ""
+"Templates installation failed. The problematic templates archives can be "
+"found at '%s'."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Error requesting url: "
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Connecting to Mirror..."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Disconnected"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Resolving"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Can't Resolve"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Connecting..."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Can't Connect"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Connected"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Requesting..."
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Downloading"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Connection Error"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "SSL Handshake Error"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Current Version:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Installed Versions:"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Install From File"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Remove Template"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Select template file"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Export Template Manager"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Download Templates"
+msgstr ""
+
+#: editor/export_template_manager.cpp
+msgid "Select mirror from list: (Shift+Click: Open in Browser)"
+msgstr ""
+
+#: editor/file_type_cache.cpp
+msgid "Can't open file_type_cache.cch for writing, not saving file type cache!"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Favorites"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Cannot navigate to '%s' as it has not been found in the file system!"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Status: Import of file failed. Please fix file and reimport manually."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Cannot move/rename resources root."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Cannot move a folder into itself."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Error moving:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Error duplicating:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Unable to update dependencies:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/scene_tree_editor.cpp
+msgid "No name provided."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Provided name contains invalid characters"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Name contains invalid characters."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "A file or folder with this name already exists."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Renaming file:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Renaming folder:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Duplicating file:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Duplicating folder:"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Open Scene(s)"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Instance"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Add to favorites"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Remove from favorites"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Edit Dependencies..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "View Owners..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Rename..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Duplicate..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Move To..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
+msgid "New Script..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "New Resource..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
+msgid "Expand All"
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
+msgid "Collapse All"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+#: editor/project_manager.cpp editor/rename_dialog.cpp
+#: editor/scene_tree_dock.cpp
+msgid "Rename"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Previous Directory"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Next Directory"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Re-Scan Filesystem"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Toggle split mode"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Search files"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid ""
+"Scanning Files,\n"
+"Please Wait..."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Move"
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "There is already file or folder with the same name in this location."
+msgstr ""
+
+#: editor/filesystem_dock.cpp
+msgid "Overwrite"
+msgstr ""
+
+#: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
+msgid "Create Script"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Find in Files"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Find:"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Folder:"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Filters:"
+msgstr ""
+
+#: editor/find_in_files.cpp editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+msgid "Find..."
+msgstr ""
+
+#: editor/find_in_files.cpp editor/plugins/script_text_editor.cpp
+msgid "Replace..."
+msgstr ""
+
+#: editor/find_in_files.cpp editor/progress_dialog.cpp scene/gui/dialogs.cpp
+msgid "Cancel"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Find: "
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Replace: "
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Replace all (no undo)"
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Searching..."
+msgstr ""
+
+#: editor/find_in_files.cpp
+msgid "Search complete"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Group name already exists."
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Invalid group name."
+msgstr ""
+
+#: editor/groups_editor.cpp editor/node_dock.cpp
+msgid "Groups"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Nodes not in Group"
+msgstr ""
+
+#: editor/groups_editor.cpp editor/scene_tree_dock.cpp
+msgid "Filter nodes"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Nodes in Group"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Add to Group"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Remove from Group"
+msgstr ""
+
+#: editor/groups_editor.cpp
+msgid "Manage Groups"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import as Single Scene"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Animations"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Materials"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Objects"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Objects+Materials"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Objects+Animations"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Materials+Animations"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import with Separate Objects+Materials+Animations"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import as Multiple Scenes"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Import as Multiple Scenes+Materials"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+#: editor/plugins/mesh_library_editor_plugin.cpp
+msgid "Import Scene"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Importing Scene..."
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Generating Lightmaps"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Generating for Mesh: "
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Running Custom Script..."
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Couldn't load post-import script:"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Invalid/broken script for post-import (check console):"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Error running post-import script:"
+msgstr ""
+
+#: editor/import/resource_importer_scene.cpp
+msgid "Saving..."
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Set as Default for '%s'"
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Clear Default for '%s'"
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid " Files"
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Import As:"
+msgstr ""
+
+#: editor/import_dock.cpp editor/property_editor.cpp
+msgid "Preset..."
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Reimport"
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Save scenes, re-import and restart"
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid "Changing the type of an imported file requires editor restart."
+msgstr ""
+
+#: editor/import_dock.cpp
+msgid ""
+"WARNING: Assets exist that use this resource, they may stop loading properly."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Failed to load resource."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Expand All Properties"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Collapse All Properties"
+msgstr ""
+
+#: editor/inspector_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Save As..."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Copy Params"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Paste Params"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Edit Resource Clipboard"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Copy Resource"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Make Built-In"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Make Sub-Resources Unique"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Open in Help"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Create a new resource in memory and edit it."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Load an existing resource from disk and edit it."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Save the currently edited resource."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Go to the previous edited object in history."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Go to the next edited object in history."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "History of recently edited objects."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Object properties."
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Filter properties"
+msgstr ""
+
+#: editor/inspector_dock.cpp
+msgid "Changes may be lost!"
+msgstr ""
+
+#: editor/multi_node_edit.cpp
+msgid "MultiNode Set"
+msgstr ""
+
+#: editor/node_dock.cpp
+msgid "Select a Node to edit Signals and Groups."
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Edit a Plugin"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Create a Plugin"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Plugin Name:"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Subfolder:"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Language:"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Script Name:"
+msgstr ""
+
+#: editor/plugin_config_dialog.cpp
+msgid "Activate now?"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Create Polygon"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Create points."
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+msgid ""
+"Edit points.\n"
+"LMB: Move Point\n"
+"RMB: Erase Point"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+msgid "Erase points."
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+msgid "Edit Polygon"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+msgid "Insert Point"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+msgid "Edit Polygon (Remove Point)"
+msgstr ""
+
+#: editor/plugins/abstract_polygon_2d_editor.cpp
+msgid "Remove Polygon And Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Add Animation"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Load..."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Move Node Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+msgid "Change BlendSpace1D Limits"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+msgid "Change BlendSpace1D Labels"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "This type of node can't be used. Only root nodes are allowed."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Add Node Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Add Animation Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+msgid "Remove BlendSpace1D Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+msgid "Move BlendSpace1D Node Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid ""
+"AnimationTree is inactive.\n"
+"Activate to enable playback, check node warnings if activation fails."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Set the blending position within the space"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Select and move points, create points with RMB."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp scene/gui/graph_edit.cpp
+msgid "Enable snap and show grid."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_1d_editor.cpp
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Open Animation Node"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Triangle already exists"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Add Triangle"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Change BlendSpace2D Limits"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Change BlendSpace2D Labels"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Remove BlendSpace2D Point"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Remove BlendSpace2D Triangle"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "BlendSpace2D does not belong to an AnimationTree node."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "No triangles exist, so no blending can take place."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Toggle Auto Triangles"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Create triangles by connecting points."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Erase points and triangles."
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+msgid "Generate blend triangles automatically (instead of manually)"
+msgstr ""
+
+#: editor/plugins/animation_blend_space_2d_editor.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend:"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Parameter Changed"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Edit Filters"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Output node can't be added to the blend tree."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Add Node to BlendTree"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Node Moved"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Unable to connect, port may be in use or connection may be invalid."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Nodes Connected"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Nodes Disconnected"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Set Animation"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Delete Node"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Toggle Filter On/Off"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Change Filter"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "No animation player set, so unable to retrieve track names."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Player path set is invalid, so unable to retrieve track names."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/root_motion_editor_plugin.cpp
+msgid ""
+"Animation player has no valid root node path, so unable to retrieve track "
+"names."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Node Renamed"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Add Node..."
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+#: editor/plugins/root_motion_editor_plugin.cpp
+msgid "Edit Filtered Tracks:"
+msgstr ""
+
+#: editor/plugins/animation_blend_tree_editor_plugin.cpp
+msgid "Enable filtering"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Toggle Autoplay"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "New Animation Name:"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "New Anim"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Change Animation Name:"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Delete Animation?"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Remove Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Invalid animation name!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Animation name already exists!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Rename Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Blend Next Changed"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Change Blend Time"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Load Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Duplicate Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "No animation to copy!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "No animation resource on clipboard!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Pasted Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Paste Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "No animation to edit!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Play selected animation backwards from current pos. (A)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Play selected animation backwards from end. (Shift+A)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Stop animation playback. (S)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Play selected animation from start. (Shift+D)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Play selected animation from current pos. (D)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Animation position (in seconds)."
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Scale animation playback globally for the node."
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Animation Tools"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "New"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Edit Transitions..."
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Open in Inspector"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Display list of animations in player."
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Autoplay on Load"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Onion Skinning"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Enable Onion Skinning"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Directions"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Past"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Future"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Depth"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "1 step"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "2 steps"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "3 steps"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Differences Only"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Force White Modulate"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Include Gizmos (3D)"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Pin AnimationPlayer"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Create New Animation"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Animation Name:"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp editor/property_editor.cpp
+#: editor/script_create_dialog.cpp
+msgid "Error!"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Blend Times:"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Next (Auto Queue):"
+msgstr ""
+
+#: editor/plugins/animation_player_editor_plugin.cpp
+msgid "Cross-Animation Blend Times"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Move Node"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Add Transition"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Node"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "End"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Immediate"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Sync"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "At End"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Travel"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Start and end nodes are needed for a sub-transition."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "No playback resource set at path: %s."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Node Removed"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Transition Removed"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Set Start Node (Autoplay)"
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid ""
+"Select and move nodes.\n"
+"RMB to add new nodes.\n"
+"Shift+LMB to create connections."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Create new nodes."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Connect nodes."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Remove selected node or transition."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Toggle autoplay this animation on start, restart or seek to zero."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Set the end animation. This is useful for sub-transitions."
+msgstr ""
+
+#: editor/plugins/animation_state_machine_editor.cpp
+msgid "Transition: "
+msgstr ""
+
+#: editor/plugins/animation_tree_editor_plugin.cpp
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "AnimationTree"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "New name:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Scale:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Fade In (s):"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Fade Out (s):"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Mix"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Auto Restart:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Restart (s):"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Random Restart (s):"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Start!"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Amount:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend 0:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend 1:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "X-Fade Time (s):"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Current:"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Add Input"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Clear Auto-Advance"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Set Auto-Advance"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Delete Input"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Animation tree is valid."
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Animation tree is invalid."
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Animation Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "OneShot Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Mix Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend2 Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend3 Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Blend4 Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "TimeScale Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "TimeSeek Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Transition Node"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Import Animations..."
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Edit Node Filters"
+msgstr ""
+
+#: editor/plugins/animation_tree_player_editor_plugin.cpp
+msgid "Filters..."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Contents:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "View Files"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Can't resolve hostname:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Connection error, please try again."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Can't connect to host:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "No response from host:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Request failed, return code:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Request failed, too many redirects"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Bad download hash, assuming file has been tampered with."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Expected:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Got:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Failed sha256 hash check"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Asset Download Error:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Downloading (%s / %s)..."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Downloading..."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Resolving..."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Error making request"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Idle"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Retry"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Download Error"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Download for this asset is already in progress!"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "First"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Previous"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Next"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Last"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "All"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+#: editor/project_settings_editor.cpp
+msgid "Plugins"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp editor/project_manager.cpp
+msgid "Sort:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Reverse"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+#: editor/project_settings_editor.cpp
+msgid "Category:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Site:"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Support..."
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Official"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Testing"
+msgstr ""
+
+#: editor/plugins/asset_library_editor_plugin.cpp
+msgid "Assets ZIP File"
+msgstr ""
+
+#: editor/plugins/baked_lightmap_editor_plugin.cpp
+msgid ""
+"Can't determine a save path for lightmap images.\n"
+"Save your scene (for images to be saved in the same dir), or pick a save "
+"path from the BakedLightmap properties."
+msgstr ""
+
+#: editor/plugins/baked_lightmap_editor_plugin.cpp
+msgid ""
+"No meshes to bake. Make sure they contain an UV2 channel and that the 'Bake "
+"Light' flag is on."
+msgstr ""
+
+#: editor/plugins/baked_lightmap_editor_plugin.cpp
+msgid "Failed creating lightmap images, make sure path is writable."
+msgstr ""
+
+#: editor/plugins/baked_lightmap_editor_plugin.cpp
+msgid "Bake Lightmaps"
+msgstr ""
+
+#: editor/plugins/camera_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp editor/rename_dialog.cpp
+msgid "Preview"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Configure Snap"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Grid Offset:"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Grid Step:"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Rotation Offset:"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Rotation Step:"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move vertical guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Create new vertical guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Remove vertical guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move horizontal guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Create new horizontal guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Remove horizontal guide"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Create new horizontal and vertical guides"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move pivot"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Rotate CanvasItem"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move anchor"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Resize CanvasItem"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Scale CanvasItem"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move CanvasItem"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Presets for the anchors and margins values of a Control node."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid ""
+"Children of containers have their anchors and margins values overridden by "
+"their parent."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Anchors only"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Change Anchors and Margins"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Change Anchors"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Paste Pose"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid ""
+"Warning: Children of a container get their position and size determined only "
+"by their parent."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/texture_region_editor_plugin.cpp
+#: editor/plugins/tile_set_editor_plugin.cpp scene/gui/graph_edit.cpp
+msgid "Zoom Reset"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Select Mode"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Drag: Rotate"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Alt+Drag: Move"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Press 'v' to Change Pivot, 'Shift+v' to Drag Pivot (while moving)."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Alt+RMB: Depth list selection"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Move Mode"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Rotate Mode"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Scale Mode"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid ""
+"Show a list of all objects at the position clicked\n"
+"(same as Alt+RMB in select mode)."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Click to change object's rotation pivot."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Pan Mode"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Toggle snapping."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Use Snap"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snapping Options"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to grid"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Use Rotation Snap"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Configure Snap..."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap Relative"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Use Pixel Snap"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Smart snapping"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to parent"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to node anchor"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to node sides"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to node center"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to other nodes"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Snap to guides"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Lock the selected object in place (can't be moved)."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Unlock the selected object (can be moved)."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Makes sure the object's children are not selectable."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Restores the object's children's ability to be selected."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Skeleton Options"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Bones"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Make IK Chain"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Clear IK Chain"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Make Custom Bone(s) from Node(s)"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Clear Custom Bones"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Show Grid"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Helpers"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Rulers"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Guides"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Origin"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Viewport"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Show Group And Lock Icons"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Center Selection"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Frame Selection"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Layout"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Insert keys."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Insert Key (Existing Tracks)"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Copy Pose"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Clear Pose"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Multiply grid step by 2"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Divide grid step by 2"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Add %s"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Adding %s..."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Cannot instantiate multiple nodes without root."
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
+msgid "Create Node"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
+msgid "Error instancing scene from %s"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid "Change default type"
+msgstr ""
+
+#: editor/plugins/canvas_item_editor_plugin.cpp
+msgid ""
+"Drag & drop + Shift : Add node as sibling\n"
+"Drag & drop + Alt : Change node type"
+msgstr ""
+
+#: editor/plugins/collision_polygon_editor_plugin.cpp
+msgid "Create Polygon3D"
+msgstr ""
+
+#: editor/plugins/collision_polygon_editor_plugin.cpp
+msgid "Edit Poly"
+msgstr ""
+
+#: editor/plugins/collision_polygon_editor_plugin.cpp
+msgid "Edit Poly (Remove Point)"
+msgstr ""
+
+#: editor/plugins/collision_shape_2d_editor_plugin.cpp
+msgid "Set Handle"
+msgstr ""
+
+#: editor/plugins/cpu_particles_editor_plugin.cpp
+msgid "CPUParticles"
+msgstr ""
+
+#: editor/plugins/cpu_particles_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Create Emission Points From Mesh"
+msgstr ""
+
+#: editor/plugins/cpu_particles_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Create Emission Points From Node"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Flat0"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Flat1"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Ease in"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Ease out"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Smoothstep"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Modify Curve Point"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Modify Curve Tangent"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Load Curve Preset"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Add point"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Remove point"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Left linear"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Right linear"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Load preset"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Remove Curve Point"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Toggle Curve Linear Tangent"
+msgstr ""
+
+#: editor/plugins/curve_editor_plugin.cpp
+msgid "Hold Shift to edit tangents individually"
+msgstr ""
+
+#: editor/plugins/gi_probe_editor_plugin.cpp
+msgid "Bake GI Probe"
+msgstr ""
+
+#: editor/plugins/gradient_editor_plugin.cpp
+msgid "Gradient Edited"
+msgstr ""
+
+#: editor/plugins/item_list_editor_plugin.cpp
+msgid "Item %d"
+msgstr ""
+
+#: editor/plugins/item_list_editor_plugin.cpp
+msgid "Items"
+msgstr ""
+
+#: editor/plugins/item_list_editor_plugin.cpp
+msgid "Item List Editor"
+msgstr ""
+
+#: editor/plugins/light_occluder_2d_editor_plugin.cpp
+msgid "Create Occluder Polygon"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Mesh is empty!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Static Trimesh Body"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Static Convex Body"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "This doesn't work on scene root!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Trimesh Shape"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Convex Shape"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Navigation Mesh"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Contained Mesh is not of type ArrayMesh."
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "UV Unwrap failed, mesh may not be manifold?"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "No mesh to debug."
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Model has no UV in this layer"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "MeshInstance lacks a Mesh!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Mesh has not surface to create outlines from!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Mesh primitive type is not PRIMITIVE_TRIANGLES!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Could not create outline!"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Outline"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Mesh"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Trimesh Static Body"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Convex Static Body"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Trimesh Collision Sibling"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Convex Collision Sibling"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Outline Mesh..."
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "View UV1"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "View UV2"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Unwrap UV2 for Lightmap/AO"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Create Outline Mesh"
+msgstr ""
+
+#: editor/plugins/mesh_instance_editor_plugin.cpp
+msgid "Outline Size:"
+msgstr ""
+
+#: editor/plugins/mesh_library_editor_plugin.cpp
+msgid "Remove item %d?"
+msgstr ""
+
+#: editor/plugins/mesh_library_editor_plugin.cpp
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Add Item"
+msgstr ""
+
+#: editor/plugins/mesh_library_editor_plugin.cpp
+msgid "Remove Selected Item"
+msgstr ""
+
+#: editor/plugins/mesh_library_editor_plugin.cpp
+msgid "Import from Scene"
+msgstr ""
+
+#: editor/plugins/mesh_library_editor_plugin.cpp
+msgid "Update from Scene"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "No mesh source specified (and no MultiMesh set in node)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "No mesh source specified (and MultiMesh contains no Mesh)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Mesh source is invalid (invalid path)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Mesh source is invalid (not a MeshInstance)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Mesh source is invalid (contains no Mesh resource)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "No surface source specified."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Surface source is invalid (invalid path)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Surface source is invalid (no geometry)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Surface source is invalid (no faces)."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Parent has no solid faces to populate."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Couldn't map area."
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Select a Source Mesh:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Select a Target Surface:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Populate Surface"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Populate MultiMesh"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Target Surface:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Source Mesh:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "X-Axis"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Y-Axis"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Z-Axis"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Mesh Up Axis:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Random Rotation:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Random Tilt:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Random Scale:"
+msgstr ""
+
+#: editor/plugins/multimesh_editor_plugin.cpp
+msgid "Populate"
+msgstr ""
+
+#: editor/plugins/navigation_polygon_editor_plugin.cpp
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create Navigation Polygon"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generating Visibility Rect"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Can only set point into a ParticlesMaterial process material"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Error loading image:"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "No pixels with transparency > 128 in image..."
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Load Emission Mask"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Clear Emission Mask"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Convert to CPUParticles"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Particles"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generated Point Count:"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generation Time (sec):"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Emission Mask"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Capture from Pixel"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Emission Colors"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Faces contain no area!"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "No faces!"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Node does not contain geometry."
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Node does not contain geometry (faces)."
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Create Emitter"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Emission Points:"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Surface Points"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Surface Points+Normal (Directed)"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Volume"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Emission Source: "
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "A processor material of type 'ParticlesMaterial' is required."
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generating AABB"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate Visibility AABB"
+msgstr ""
+
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Remove Point from Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Remove Out-Control from Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Remove In-Control from Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Add Point to Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Split Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Move Point in Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Move In-Control in Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Move Out-Control in Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Select Points"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Shift+Drag: Select Control Points"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Click: Add Point"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Left Click: Split Segment (in curve)"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Right Click: Delete Point"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+msgid "Select Control Points (Shift+Drag)"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Add Point (in empty space)"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Delete Point"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Close Curve"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp editor/plugins/theme_editor_plugin.cpp
+#: editor/project_export.cpp
+msgid "Options"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Mirror Handle Angles"
+msgstr ""
+
+#: editor/plugins/path_2d_editor_plugin.cpp
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Mirror Handle Lengths"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Curve Point #"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Set Curve Point Position"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Set Curve In Position"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Set Curve Out Position"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Split Path"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Remove Path Point"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Remove Out-Control Point"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Remove In-Control Point"
+msgstr ""
+
+#: editor/plugins/path_editor_plugin.cpp
+msgid "Split Segment (in curve)"
+msgstr ""
+
+#: editor/plugins/physical_bone_plugin.cpp
+msgid "Move joint"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid ""
+"The skeleton property of the Polygon2D does not point to a Skeleton2D node"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Sync Bones"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid ""
+"No texture in this polygon.\n"
+"Set a texture to be able to edit UV."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Create UV Map"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid ""
+"Polygon 2D has internal vertices, so it can no longer be edited in the "
+"viewport."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Create Polygon & UV"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Create Internal Vertex"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Remove Internal Vertex"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Invalid Polygon (need 3 different vertices)"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Add Custom Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Remove Custom Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Transform UV Map"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Transform Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Paint Bone Weights"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Open Polygon 2D UV editor."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Polygon 2D UV Editor"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "UV"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Points"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Polygons"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Bones"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Move Points"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Ctrl: Rotate"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Shift: Move All"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Shift+Ctrl: Scale"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Move Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Rotate Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Scale Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Create a custom polygon. Enables custom polygon rendering."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid ""
+"Remove a custom polygon. If none remain, custom polygon rendering is "
+"disabled."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Paint weights with specified intensity."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Unpaint weights with specified intensity."
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Radius:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Polygon->UV"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "UV->Polygon"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Clear UV"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid Settings"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Snap"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Enable Snap"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Configure Grid:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid Offset X:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid Offset Y:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid Step X:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Grid Step Y:"
+msgstr ""
+
+#: editor/plugins/polygon_2d_editor_plugin.cpp
+msgid "Sync Bones to Polygon"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "ERROR: Couldn't load resource!"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "Add Resource"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "Rename Resource"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Delete Resource"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "Resource clipboard is empty!"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "Paste Resource"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/scene_tree_editor.cpp
+msgid "Instance:"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/theme_editor_plugin.cpp editor/project_settings_editor.cpp
+#: editor/scene_tree_editor.cpp
+msgid "Type:"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/scene_tree_dock.cpp editor/scene_tree_editor.cpp
+msgid "Open in Editor"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Load Resource"
+msgstr ""
+
+#: editor/plugins/resource_preloader_editor_plugin.cpp
+msgid "ResourcePreloader"
+msgstr ""
+
+#: editor/plugins/root_motion_editor_plugin.cpp
+msgid "AnimationTree has no path set to an AnimationPlayer"
+msgstr ""
+
+#: editor/plugins/root_motion_editor_plugin.cpp
+msgid "Path to AnimationPlayer is invalid"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Clear Recent Files"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Close and save changes?"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error writing TextFile:"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error: could not load file."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error could not load file."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error saving file!"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error while saving theme."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error Saving"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error importing theme."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error Importing"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "New TextFile..."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Open File"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Save File As..."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Import Theme"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error while saving theme"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Error saving"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Save Theme As..."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid " Class Reference"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Toggle alphabetical sorting of the method list."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Sort"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp editor/scene_tree_dock.cpp
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Move Up"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp editor/scene_tree_dock.cpp
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Move Down"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Next script"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Previous script"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "File"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Open..."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Save All"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Soft Reload Script"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Copy Script Path"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "History Previous"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "History Next"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Theme"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Import Theme..."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Reload Theme"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Save Theme"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Close Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Close All"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Close Other Tabs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/project_manager.cpp
+msgid "Run"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Toggle Scripts Panel"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+#: editor/plugins/script_text_editor.cpp
+msgid "Find Next"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
+msgid "Step Over"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
+msgid "Step Into"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
+msgid "Break"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/project_manager.cpp
+#: editor/script_editor_debugger.cpp
+msgid "Continue"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Keep Debugger Open"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Debug with External Editor"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Open Godot online documentation"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Search the reference documentation."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Go to previous edited document."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Go to next edited document."
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Discard"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid ""
+"The following files are newer on disk.\n"
+"What action should be taken?:"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Reload"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Resave"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp editor/script_editor_debugger.cpp
+msgid "Debugger"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Search Results"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Line"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "(ignore)"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Go to Function"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Standard"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Only resources from filesystem can be dropped."
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Lookup Symbol"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Pick Color"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Convert Case"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Uppercase"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Lowercase"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Capitalize"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
+msgid "Syntax Highlighter"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp scene/gui/line_edit.cpp
+#: scene/gui/text_edit.cpp
+msgid "Cut"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp scene/gui/line_edit.cpp
+#: scene/gui/text_edit.cpp
+msgid "Select All"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Delete Line"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Indent Left"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Indent Right"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Toggle Comment"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Fold/Unfold Line"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Fold All Lines"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Unfold All Lines"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Clone Down"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Complete Symbol"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Trim Trailing Whitespace"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Convert Indent to Spaces"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Convert Indent to Tabs"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Auto Indent"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Toggle Breakpoint"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Remove All Breakpoints"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Go to Next Breakpoint"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Go to Previous Breakpoint"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Find Previous"
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Find in Files..."
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Go to Function..."
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Go to Line..."
+msgstr ""
+
+#: editor/plugins/script_text_editor.cpp
+msgid "Contextual Help"
+msgstr ""
+
+#: editor/plugins/shader_editor_plugin.cpp
+msgid "Shader"
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "This skeleton has no bones, create some children Bone2D nodes."
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "Create Rest Pose from Bones"
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "Set Rest Pose to Bones"
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "Skeleton2D"
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "Make Rest Pose (From Bones)"
+msgstr ""
+
+#: editor/plugins/skeleton_2d_editor_plugin.cpp
+msgid "Set Bones to Rest Pose"
+msgstr ""
+
+#: editor/plugins/skeleton_editor_plugin.cpp
+msgid "Create physical bones"
+msgstr ""
+
+#: editor/plugins/skeleton_editor_plugin.cpp
+msgid "Skeleton"
+msgstr ""
+
+#: editor/plugins/skeleton_editor_plugin.cpp
+msgid "Create physical skeleton"
+msgstr ""
+
+#: editor/plugins/skeleton_ik_editor_plugin.cpp
+msgid "Play IK"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Orthogonal"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Perspective"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Transform Aborted."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "X-Axis Transform."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Y-Axis Transform."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Z-Axis Transform."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Plane Transform."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Scaling: "
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Translating: "
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rotating %s degrees."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Keying is disabled (no key inserted)."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Animation Key Inserted."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Pitch"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Yaw"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Objects Drawn"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Material Changes"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Shader Changes"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Surface Changes"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Draw Calls"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Vertices"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Top View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Bottom View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Bottom"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Left View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Left"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Right View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Right"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Front View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Front"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rear View."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rear"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Align with View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
+msgid "No parent to instance a child at."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
+msgid "This operation requires a single selected node."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Lock View Rotation"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Display Normal"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Display Wireframe"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Display Overdraw"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Display Unshaded"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Environment"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Gizmos"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Information"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View FPS"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Half Resolution"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Audio Listener"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Doppler Enable"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Cinematic Preview"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Left"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Right"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Forward"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Backwards"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Up"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Down"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Freelook Speed Modifier"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid ""
+"Note: The FPS value displayed is the editor's framerate.\n"
+"It cannot be used as a reliable indication of in-game performance."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Rotation Locked"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "XForm Dialog"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Snap Nodes To Floor"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Select Mode (Q)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid ""
+"Drag: Rotate\n"
+"Alt+Drag: Move\n"
+"Alt+RMB: Depth list selection"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Move Mode (W)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rotate Mode (E)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Scale Mode (R)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Local Coords"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Local Space Mode (%s)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Snap Mode (%s)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Bottom View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Top View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rear View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Front View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Left View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Right View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Switch Perspective/Orthogonal view"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Insert Animation Key"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Focus Origin"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Focus Selection"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Align Selection With View"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Tool Select"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Tool Move"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Tool Rotate"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Tool Scale"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Toggle Freelook"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Transform"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Snap object to floor"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Transform Dialog..."
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "1 Viewport"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "2 Viewports"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "2 Viewports (Alt)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "3 Viewports"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "3 Viewports (Alt)"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "4 Viewports"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Gizmos"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Origin"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Grid"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Settings"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Snap Settings"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Translate Snap:"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rotate Snap (deg.):"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Scale Snap (%):"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Viewport Settings"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Perspective FOV (deg.):"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Z-Near:"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "View Z-Far:"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Transform Change"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Translate:"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Rotate (deg.):"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Scale (ratio):"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Transform Type"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Pre"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Post"
+msgstr ""
+
+#: editor/plugins/spatial_editor_plugin.cpp
+msgid "Nameless gizmo"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Sprite is empty!"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Can't convert a sprite using animation frames to mesh."
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Invalid geometry, can't replace by mesh."
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Sprite"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Convert to 2D Mesh"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Create 2D Mesh"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Simplification: "
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Grow (Pixels): "
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Update Preview"
+msgstr ""
+
+#: editor/plugins/sprite_editor_plugin.cpp
+msgid "Settings:"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "ERROR: Couldn't load frame resource!"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Add Frame"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Resource clipboard is empty or not a texture!"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Paste Frame"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Add Empty"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Change Animation FPS"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "(empty)"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Animations:"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "New Animation"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Speed (FPS):"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Loop"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Animation Frames:"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Insert Empty (Before)"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Insert Empty (After)"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Move (Before)"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "Move (After)"
+msgstr ""
+
+#: editor/plugins/sprite_frames_editor_plugin.cpp
+msgid "SpriteFrames"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Set Region Rect"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Set Margin"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Snap Mode:"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+#: scene/resources/visual_shader.cpp
+msgid "None"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Pixel Snap"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Grid Snap"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Auto Slice"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Offset:"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Step:"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "Sep.:"
+msgstr ""
+
+#: editor/plugins/texture_region_editor_plugin.cpp
+msgid "TextureRegion"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Can't save theme to file:"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Add All Items"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Add All"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Remove All Items"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Remove All"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Edit theme..."
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Theme editing menu."
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Add Class Items"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Remove Class Items"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Create Empty Template"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Create Empty Editor Template"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Create From Current Editor Theme"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "CheckBox Radio1"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "CheckBox Radio2"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Item"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Check Item"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Checked Item"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Radio Item"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Checked Radio Item"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Has"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Many"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Has,Many,Options"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Tab 1"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Tab 2"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Tab 3"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Data Type:"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Icon"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp editor/rename_dialog.cpp
+msgid "Style"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Font"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Color"
+msgstr ""
+
+#: editor/plugins/theme_editor_plugin.cpp
+msgid "Constant"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Erase Selection"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Fix Invalid Tiles"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Cut Selection"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Paint TileMap"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Line Draw"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Rectangle Paint"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Bucket Fill"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Erase TileMap"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Find Tile"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Transpose"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Mirror X"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Mirror Y"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Paint Tile"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Pick Tile"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Copy Selection"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Rotate left"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Rotate right"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Flip horizontally"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Flip vertically"
+msgstr ""
+
+#: editor/plugins/tile_map_editor_plugin.cpp
+msgid "Clear transform"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Add Texture(s) to TileSet."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove selected Texture from TileSet."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create from Scene"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Merge from Scene"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Copy bitmask."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Paste bitmask."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Erase bitmask."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create a new rectangle."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create a new polygon."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Keep polygon inside region Rect."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Enable snap and show grid (configurable via the Inspector)."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Display Tile Names (Hold Alt Key)"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove selected texture? This will remove all tiles which use it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "You haven't selected a texture to remove."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create from scene? This will overwrite all current tiles."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Merge from scene?"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove Texture"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "%s file(s) were not added because was already on the list."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"Drag handles to edit Rect.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Delete selected Rect."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"Select current edited sub-tile.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Delete polygon."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"LMB: Set bit on.\n"
+"RMB: Set bit off.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"Select sub-tile to use as icon, this will be also used on invalid autotile "
+"bindings.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"Select sub-tile to change its priority.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid ""
+"Select sub-tile to change its z index.\n"
+"Click on another Tile to edit it."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Set Tile Region"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create Tile"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Set Tile Icon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Tile Bitmask"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Collision Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Occlusion Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Navigation Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Paste Tile Bitmask"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Clear Tile Bitmask"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove Tile"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove Collision Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove Occlusion Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Remove Navigation Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Tile Priority"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Edit Tile Z Index"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create Collision Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Create Occlusion Polygon"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "This property can't be changed."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "TileSet"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Set Uniform Name"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Set Input Default Port"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Add Node to Visual Shader"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Duplicate Nodes"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Visual Shader Input Type Changed"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Vertex"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Fragment"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Light"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "VisualShader"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Edit Visual Property"
+msgstr ""
+
+#: editor/plugins/visual_shader_editor_plugin.cpp
+msgid "Visual Shader Mode Changed"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Runnable"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Delete patch '%s' from list?"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Delete preset '%s'?"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid ""
+"Failed to export the project for platform '%s'.\n"
+"Export templates seem to be missing or invalid."
+msgstr ""
+
+#: editor/project_export.cpp
+msgid ""
+"Failed to export the project for platform '%s'.\n"
+"This might be due to a configuration issue in the export preset or your "
+"export settings."
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Release"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Exporting All"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export templates for this platform are missing/corrupted:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Presets"
+msgstr ""
+
+#: editor/project_export.cpp editor/project_settings_editor.cpp
+msgid "Add..."
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export Path"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Resources"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export all resources in the project"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export selected scenes (and dependencies)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export selected resources (and dependencies)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export Mode:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Resources to export:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid ""
+"Filters to export non-resource files (comma separated, e.g: *.json, *.txt)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid ""
+"Filters to exclude files from project (comma separated, e.g: *.json, *.txt)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Patches"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Make Patch"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Features"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Custom (comma-separated):"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Feature List:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Script"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Script Export Mode:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Text"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Compiled"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Encrypted (Provide Key Below)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Invalid Encryption Key (must be 64 characters long)"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Script Encryption Key (256-bits as hex):"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export PCK/Zip"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export mode?"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export All"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export templates for this platform are missing:"
+msgstr ""
+
+#: editor/project_export.cpp
+msgid "Export With Debug"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "The path does not exist."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Invalid '.zip' project file, does not contain a 'project.godot' file."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Please choose an empty folder."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Please choose a 'project.godot' or '.zip' file."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Directory already contains a Godot project."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Imported Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Invalid Project Name."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Couldn't create folder."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "There is already a folder in this path with the specified name."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "It would be a good idea to name your project."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Invalid project path (changed anything?)."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Couldn't load project.godot in project path (error %d). It may be missing or "
+"corrupted."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Couldn't edit project.godot in project path."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Couldn't create project.godot in project path."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "The following files failed extraction from package:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Rename Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "New Game Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Import Existing Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Import & Edit"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Create New Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Create & Edit"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Install Project:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Install & Edit"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Project Name:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Create folder"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Project Path:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Project Installation Path:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Browse"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Renderer:"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "OpenGL ES 3.0"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Higher visual quality\n"
+"All features available\n"
+"Incompatible with older hardware\n"
+"Not recommended for web games"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "OpenGL ES 2.0"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Lower visual quality\n"
+"Some features not available\n"
+"Works on most hardware\n"
+"Recommended for web games"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Renderer can be changed later, but scenes may need to be adjusted."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Unnamed Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Can't open project at '%s'."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Are you sure to open more than one project?"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"The following project settings file does not specify the version of Godot "
+"through which it was created.\n"
+"\n"
+"%s\n"
+"\n"
+"If you proceed with opening it, it will be converted to Godot's current "
+"configuration file format.\n"
+"Warning: You will not be able to open the project with previous versions of "
+"the engine anymore."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"The following project settings file was generated by an older engine "
+"version, and needs to be converted for this version:\n"
+"\n"
+"%s\n"
+"\n"
+"Do you want to convert it?\n"
+"Warning: You will not be able to open the project with previous versions of "
+"the engine anymore."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"The project settings were created by a newer engine version, whose settings "
+"are not compatible with this version."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Can't run project: no main scene defined.\n"
+"Please edit the project and set the main scene in \"Project Settings\" under "
+"the \"Application\" category."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Can't run project: Assets need to be imported.\n"
+"Please edit the project to trigger the initial import."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Are you sure to run more than one project?"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Remove project from the list? (Folder contents will not be modified)"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"Language changed.\n"
+"The UI will update next time the editor or project manager starts."
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"You are about the scan %s folders for existing Godot projects. Do you "
+"confirm?"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Project Manager"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Project List"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Scan"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Select a Folder to Scan"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "New Project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Templates"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Exit"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Restart Now"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid "Can't run project"
+msgstr ""
+
+#: editor/project_manager.cpp
+msgid ""
+"You don't currently have any projects.\n"
+"Would you like to explore the official example projects in the Asset Library?"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Key "
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Joy Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Joy Axis"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Mouse Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid ""
+"Invalid action name. it cannot be empty nor contain '/', ':', '=', '\\' or "
+"'\"'"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Action '%s' already exists!"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Rename Input Action Event"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Change Action deadzone"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Input Action Event"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "All Devices"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Device"
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "Shift+"
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "Alt+"
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "Control+"
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "Press a Key..."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Mouse Button Index:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Left Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Right Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Middle Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Up Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Down Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Left Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Right Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "X Button 1"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "X Button 2"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Joypad Axis Index:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Axis"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Joypad Button Index:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Erase Input Action"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Erase Input Action Event"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Event"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Button"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Left Button."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Right Button."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Middle Button."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Up."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Wheel Down."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Global Property"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Select a setting item first!"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "No property '%s' exists."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Setting '%s' is internal, and it can't be deleted."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Delete Item"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid ""
+"Invalid action name. It cannot be empty nor contain '/', ':', '=', '\\' or "
+"'\"'."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Already existing"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Input Action"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Error saving settings."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Settings saved OK."
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Override for Feature"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Translation"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Remove Translation"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Add Remapped Path"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Resource Remap Add Remap"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Change Resource Remap Language"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Remove Resource Remap"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Remove Resource Remap Option"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Changed Locale Filter"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Changed Locale Filter Mode"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Project Settings (project.godot)"
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "General"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Override For..."
+msgstr ""
+
+#: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
+msgid "Editor must be restarted for changes to take effect"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Input Map"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Action:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Action"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Deadzone"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Device:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Index:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Localization"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Translations"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Translations:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Remaps"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Resources:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Remaps by Locale:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Locale"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Locales Filter"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Show all locales"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Show only selected locales"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Filter mode:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "Locales:"
+msgstr ""
+
+#: editor/project_settings_editor.cpp
+msgid "AutoLoad"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Ease In"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Ease Out"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Zero"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Easing In-Out"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Easing Out-In"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "File..."
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Dir..."
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Assign"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Select Node"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Error loading file: Not a resource!"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Pick a Node"
+msgstr ""
+
+#: editor/property_editor.cpp
+msgid "Bit %d, val %d."
+msgstr ""
+
+#: editor/property_selector.cpp
+msgid "Select Property"
+msgstr ""
+
+#: editor/property_selector.cpp
+msgid "Select Virtual Method"
+msgstr ""
+
+#: editor/property_selector.cpp
+msgid "Select Method"
+msgstr ""
+
+#: editor/pvrtc_compress.cpp
+msgid "Could not execute PVRTC tool:"
+msgstr ""
+
+#: editor/pvrtc_compress.cpp
+msgid "Can't load back converted image using PVRTC tool:"
+msgstr ""
+
+#: editor/rename_dialog.cpp editor/scene_tree_dock.cpp
+msgid "Batch Rename"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Prefix"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Suffix"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Advanced options"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Substitute"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Node name"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Node's parent name, if available"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Node type"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Current scene name"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Root node name"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid ""
+"Sequential integer counter.\n"
+"Compare counter options."
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Per Level counter"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "If set the counter restarts for each group of child nodes"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Initial value for the counter"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Step"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Amount by which counter is incremented for each node"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Padding"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid ""
+"Minimum number of digits for the counter.\n"
+"Missing digits are padded with leading zeros."
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Regular Expressions"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Post-Process"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Keep"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "CamelCase to under_scored"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "under_scored to CamelCase"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Case"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "To Lowercase"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "To Uppercase"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Reset"
+msgstr ""
+
+#: editor/rename_dialog.cpp
+msgid "Error"
+msgstr ""
+
+#: editor/reparent_dialog.cpp editor/scene_tree_dock.cpp
+msgid "Reparent Node"
+msgstr ""
+
+#: editor/reparent_dialog.cpp
+msgid "Reparent Location (Select new Parent):"
+msgstr ""
+
+#: editor/reparent_dialog.cpp
+msgid "Keep Global Transform"
+msgstr ""
+
+#: editor/reparent_dialog.cpp editor/scene_tree_dock.cpp
+msgid "Reparent"
+msgstr ""
+
+#: editor/run_settings_dialog.cpp
+msgid "Run Mode:"
+msgstr ""
+
+#: editor/run_settings_dialog.cpp
+msgid "Current Scene"
+msgstr ""
+
+#: editor/run_settings_dialog.cpp
+msgid "Main Scene"
+msgstr ""
+
+#: editor/run_settings_dialog.cpp
+msgid "Main Scene Arguments:"
+msgstr ""
+
+#: editor/run_settings_dialog.cpp
+msgid "Scene Run Settings"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "No parent to instance the scenes at."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Error loading scene from %s"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid ""
+"Cannot instance the scene '%s' because the current scene exists within one "
+"of its nodes."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Instance Scene(s)"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Instance Child Scene"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Clear Script"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "This operation can't be done on the tree root."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Move Node In Parent"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Move Nodes In Parent"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Duplicate Node(s)"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Can't reparent nodes in inherited scenes, order of nodes can't change."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Node must belong to the edited scene to become root."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Instantiated scenes can't become root"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Make node as Root"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Delete Node(s)?"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Can not perform with the root node."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "This operation can't be done on instanced scenes."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Save New Scene As..."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid ""
+"Disabling \"editable_instance\" will cause all properties of the node to be "
+"reverted to their default."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Editable Children"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Load As Placeholder"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Make Local"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "New Scene Root"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Create Root Node:"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "2D Scene"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "3D Scene"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "User Interface"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Custom Node"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Can't operate on nodes from a foreign scene!"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Can't operate on nodes the current scene inherits from!"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Attach Script"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Remove Node(s)"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid ""
+"Couldn't save new scene. Likely dependencies (instances) couldn't be "
+"satisfied."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Error saving scene."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Error duplicating scene to save it."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Sub-Resources"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Clear Inheritance"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Open documentation"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Delete Node(s)"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Add Child Node"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Change Type"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Extend Script"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Make Scene Root"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Merge From Scene"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp editor/script_editor_debugger.cpp
+msgid "Save Branch as Scene"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Copy Node Path"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Delete (No Confirm)"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Add/Create a New Node"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid ""
+"Instance a scene file as a Node. Creates an inherited scene if no root node "
+"exists."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Attach a new or existing script for the selected node."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Clear a script for the selected node."
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Remote"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Local"
+msgstr ""
+
+#: editor/scene_tree_dock.cpp
+msgid "Clear Inheritance? (No Undo!)"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Toggle Visible"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Node configuration warning:"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"Node has connection(s) and group(s).\n"
+"Click to show signals dock."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"Node has connections.\n"
+"Click to show signals dock."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"Node is in group(s).\n"
+"Click to show groups dock."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp editor/script_create_dialog.cpp
+msgid "Open Script"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"Node is locked.\n"
+"Click to unlock it."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"Children are not selectable.\n"
+"Click to make selectable."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Toggle Visibility"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid ""
+"AnimationPlayer is pinned.\n"
+"Click to unpin."
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Invalid node name, the following characters are not allowed:"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Rename Node"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Scene Tree (Nodes):"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Node Configuration Warning!"
+msgstr ""
+
+#: editor/scene_tree_editor.cpp
+msgid "Select a Node"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Error loading template '%s'"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Error - Could not create script in filesystem."
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Error loading script from %s"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "N/A"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Open Script/Choose Location"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Path is empty"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Filename is empty"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Path is not local"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Invalid base path"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Directory of the same name exists"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "File exists, will be reused"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Invalid extension"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Wrong extension chosen"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Invalid Path"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Invalid class name"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Invalid inherited parent name or path"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Script valid"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Allowed: a-z, A-Z, 0-9 and _"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Built-in script (into scene file)"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Create new script file"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Load existing script file"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Language"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Inherits"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Class Name"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Template"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Built-in Script"
+msgstr ""
+
+#: editor/script_create_dialog.cpp
+msgid "Attach Node Script"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Remote "
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Bytes:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Stack Trace"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Pick one or more items from the list to display the graph."
+msgstr ""
+
+#: editor/script_editor_debugger.cpp modules/mono/editor/mono_bottom_panel.cpp
+msgid "Errors"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Child Process Connected"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Copy Error"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Inspect Previous Instance"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Inspect Next Instance"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Stack Frames"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Profiler"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Monitor"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Value"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Monitors"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "List of Video Memory Usage by Resource:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Total:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Video Mem"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Resource Path"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Type"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Format"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Usage"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Misc"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Clicked Control:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Clicked Control Type:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Live Edit Root:"
+msgstr ""
+
+#: editor/script_editor_debugger.cpp
+msgid "Set From Tree"
+msgstr ""
+
+#: editor/settings_config_dialog.cpp
+msgid "Erase Shortcut"
+msgstr ""
+
+#: editor/settings_config_dialog.cpp
+msgid "Restore Shortcut"
+msgstr ""
+
+#: editor/settings_config_dialog.cpp
+msgid "Change Shortcut"
+msgstr ""
+
+#: editor/settings_config_dialog.cpp
+msgid "Shortcuts"
+msgstr ""
+
+#: editor/settings_config_dialog.cpp
+msgid "Binding"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Light Radius"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change AudioStreamPlayer3D Emission Angle"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Camera FOV"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Camera Size"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Notifier AABB"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Particles AABB"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Probe Extents"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp modules/csg/csg_gizmos.cpp
+msgid "Change Sphere Shape Radius"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp modules/csg/csg_gizmos.cpp
+msgid "Change Box Shape Extents"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Capsule Shape Radius"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Capsule Shape Height"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Cylinder Shape Radius"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Cylinder Shape Height"
+msgstr ""
+
+#: editor/spatial_editor_gizmos.cpp
+msgid "Change Ray Shape Length"
+msgstr ""
+
+#: modules/csg/csg_gizmos.cpp
+msgid "Change Cylinder Radius"
+msgstr ""
+
+#: modules/csg/csg_gizmos.cpp
+msgid "Change Cylinder Height"
+msgstr ""
+
+#: modules/csg/csg_gizmos.cpp
+msgid "Change Torus Inner Radius"
+msgstr ""
+
+#: modules/csg/csg_gizmos.cpp
+msgid "Change Torus Outer Radius"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Select the dynamic library for this entry"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Select dependencies of the library for this entry"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Remove current entry"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Double click to create a new entry"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Platform:"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Platform"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Dynamic Library"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "Add an architecture entry"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_editor_plugin.cpp
+msgid "GDNativeLibrary"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_singleton_editor.cpp
+msgid "Library"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_singleton_editor.cpp
+msgid "Status"
+msgstr ""
+
+#: modules/gdnative/gdnative_library_singleton_editor.cpp
+msgid "Libraries: "
+msgstr ""
+
+#: modules/gdnative/register_types.cpp
+msgid "GDNative"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Step argument is zero!"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Not a script with an instance"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Not based on a script"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Not based on a resource file"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Invalid instance dictionary format (missing @path)"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Invalid instance dictionary format (can't load script at @path)"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Invalid instance dictionary format (invalid script at @path)"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Invalid instance dictionary (invalid subclasses)"
+msgstr ""
+
+#: modules/gdscript/gdscript_functions.cpp
+msgid "Object can't provide a length."
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Next Plane"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Previous Plane"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Plane:"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Next Floor"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Previous Floor"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Floor:"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "GridMap Delete Selection"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "GridMap Fill Selection"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "GridMap Duplicate Selection"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "GridMap Paint"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Grid Map"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Snap View"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Clip Disabled"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Clip Above"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Clip Below"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Edit X Axis"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Edit Y Axis"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Edit Z Axis"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Rotate X"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Rotate Y"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Rotate Z"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Back Rotate X"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Back Rotate Y"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Back Rotate Z"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Cursor Clear Rotation"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Create Area"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Create Exterior Connector"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Erase Area"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Clear Selection"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Fill Selection"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "GridMap Settings"
+msgstr ""
+
+#: modules/gridmap/grid_map_editor_plugin.cpp
+msgid "Pick Distance:"
+msgstr ""
+
+#: modules/mono/csharp_script.cpp
+msgid "Class name can't be a reserved keyword"
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Generating solution..."
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Generating C# project..."
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Failed to create solution."
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Failed to save solution."
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Done"
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Failed to create C# project."
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Mono"
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "About C# support"
+msgstr ""
+
+#: modules/mono/editor/godotsharp_editor.cpp
+msgid "Create C# solution"
+msgstr ""
+
+#: modules/mono/editor/mono_bottom_panel.cpp
+msgid "Builds"
+msgstr ""
+
+#: modules/mono/editor/mono_bottom_panel.cpp
+msgid "Build Project"
+msgstr ""
+
+#: modules/mono/editor/mono_bottom_panel.cpp
+msgid "View log"
+msgstr ""
+
+#: modules/mono/mono_gd/gd_mono_utils.cpp
+msgid "End of inner exception stack trace"
+msgstr ""
+
+#: modules/recast/navigation_mesh_editor_plugin.cpp
+msgid "Bake NavMesh"
+msgstr ""
+
+#: modules/recast/navigation_mesh_editor_plugin.cpp
+msgid "Clear the navigation mesh."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Setting up Configuration..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Calculating grid size..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Creating heightfield..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Marking walkable triangles..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Constructing compact heightfield..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Eroding walkable area..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Partitioning..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Creating contours..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Creating polymesh..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Converting to native navigation mesh..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Navigation Mesh Generator Setup:"
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Parsing Geometry..."
+msgstr ""
+
+#: modules/recast/navigation_mesh_generator.cpp
+msgid "Done!"
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid ""
+"A node yielded without working memory, please read the docs on how to yield "
+"properly!"
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid ""
+"Node yielded, but did not return a function state in the first working "
+"memory."
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid ""
+"Return value must be assigned to first element of node working memory! Fix "
+"your node please."
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid "Node returned an invalid sequence output: "
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid "Found sequence bit but not the node in the stack, report bug!"
+msgstr ""
+
+#: modules/visual_script/visual_script.cpp
+msgid "Stack overflow with stack depth: "
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Signal Arguments"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Argument Type"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Argument name"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Set Variable Default Value"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Set Variable Type"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Variables:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Name is not a valid identifier:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Name already in use by another func/var/signal:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Rename Function"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Rename Variable"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Rename Signal"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Function"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Variable"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Signal"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Expression"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Remove VisualScript Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Duplicate VisualScript Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold %s to drop a Getter. Hold Shift to drop a generic signature."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold Ctrl to drop a Getter. Hold Shift to drop a generic signature."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold %s to drop a simple reference to the node."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold Ctrl to drop a simple reference to the node."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold %s to drop a Variable Setter."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Hold Ctrl to drop a Variable Setter."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Preload Node"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Node(s) From Tree"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Getter Property"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Add Setter Property"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Base Type"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Move Node(s)"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Remove VisualScript Node"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Connect Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Connect Node Data"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Connect Node Sequence"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Script already has function '%s'"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Change Input Value"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Resize Comment"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Can't copy the function node."
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Clipboard is empty!"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Paste VisualScript Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Remove Function"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Remove Variable"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Editing Variable:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Remove Signal"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Editing Signal:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Base Type:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Members:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Available Nodes:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Select or create a function to edit graph"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Edit Signal Arguments:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Edit Variable:"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Delete Selected"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Find Node Type"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Copy Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Cut Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Paste Nodes"
+msgstr ""
+
+#: modules/visual_script/visual_script_editor.cpp
+msgid "Edit Member"
+msgstr ""
+
+#: modules/visual_script/visual_script_flow_control.cpp
+msgid "Input type not iterable: "
+msgstr ""
+
+#: modules/visual_script/visual_script_flow_control.cpp
+msgid "Iterator became invalid"
+msgstr ""
+
+#: modules/visual_script/visual_script_flow_control.cpp
+msgid "Iterator became invalid: "
+msgstr ""
+
+#: modules/visual_script/visual_script_func_nodes.cpp
+msgid "Invalid index property name."
+msgstr ""
+
+#: modules/visual_script/visual_script_func_nodes.cpp
+msgid "Base object is not a Node!"
+msgstr ""
+
+#: modules/visual_script/visual_script_func_nodes.cpp
+msgid "Path does not lead Node!"
+msgstr ""
+
+#: modules/visual_script/visual_script_func_nodes.cpp
+msgid "Invalid index property name '%s' in node %s."
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid ": Invalid argument of type: "
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid ": Invalid arguments: "
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid "VariableGet not found in script: "
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid "VariableSet not found in script: "
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid "Custom node has no _step() method, can't process graph."
+msgstr ""
+
+#: modules/visual_script/visual_script_nodes.cpp
+msgid ""
+"Invalid return value from _step(), must be integer (seq out), or string "
+"(error)."
+msgstr ""
+
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Search VisualScript"
+msgstr ""
+
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Get %s"
+msgstr ""
+
+#: modules/visual_script/visual_script_property_selector.cpp
+msgid "Set %s"
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "Package name is missing."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "Package segments must be of non-zero length."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "The character '%s' is not allowed in Android application package names."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "A digit cannot be the first character in a package segment."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "The character '%s' cannot be the first character in a package segment."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "The package must have at least one '.' separator."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "ADB executable not configured in the Editor Settings."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "OpenJDK jarsigner not configured in the Editor Settings."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "Debug keystore not configured in the Editor Settings nor in the preset."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "Invalid public key for APK expansion."
+msgstr ""
+
+#: platform/android/export/export.cpp
+msgid "Invalid package name:"
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "Identifier is missing."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "Identifier segments must be of non-zero length."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "The character '%s' is not allowed in Identifier."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "A digit cannot be the first character in a Identifier segment."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid ""
+"The character '%s' cannot be the first character in a Identifier segment."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "The Identifier must have at least one '.' separator."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "App Store Team ID not specified - cannot configure the project."
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "Invalid Identifier:"
+msgstr ""
+
+#: platform/iphone/export/export.cpp
+msgid "Required icon is not specified in the preset."
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Run in Browser"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Run exported HTML in the system's default browser."
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Could not write file:"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Could not open template for export:"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Invalid export template:"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Could not read custom HTML shell:"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Could not read boot splash image file:"
+msgstr ""
+
+#: platform/javascript/export/export.cpp
+msgid "Using default boot splash image."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid package unique name."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid product GUID."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid publisher GUID."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid background color."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid Store Logo image dimensions (should be 50x50)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid square 44x44 logo image dimensions (should be 44x44)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid square 71x71 logo image dimensions (should be 71x71)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid square 150x150 logo image dimensions (should be 150x150)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid square 310x310 logo image dimensions (should be 310x310)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid wide 310x150 logo image dimensions (should be 310x150)."
+msgstr ""
+
+#: platform/uwp/export/export.cpp
+msgid "Invalid splash screen image dimensions (should be 620x300)."
+msgstr ""
+
+#: scene/2d/animated_sprite.cpp
+msgid ""
+"A SpriteFrames resource must be created or set in the 'Frames' property in "
+"order for AnimatedSprite to display frames."
+msgstr ""
+
+#: scene/2d/canvas_modulate.cpp
+msgid ""
+"Only one visible CanvasModulate is allowed per scene (or set of instanced "
+"scenes). The first created one will work, while the rest will be ignored."
+msgstr ""
+
+#: scene/2d/collision_object_2d.cpp
+msgid ""
+"This node has no shape, so it can't collide or interact with other objects.\n"
+"Consider adding a CollisionShape2D or CollisionPolygon2D as a child to "
+"define its shape."
+msgstr ""
+
+#: scene/2d/collision_polygon_2d.cpp
+msgid ""
+"CollisionPolygon2D only serves to provide a collision shape to a "
+"CollisionObject2D derived node. Please only use it as a child of Area2D, "
+"StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape."
+msgstr ""
+
+#: scene/2d/collision_polygon_2d.cpp
+msgid "An empty CollisionPolygon2D has no effect on collision."
+msgstr ""
+
+#: scene/2d/collision_shape_2d.cpp
+msgid ""
+"CollisionShape2D only serves to provide a collision shape to a "
+"CollisionObject2D derived node. Please only use it as a child of Area2D, "
+"StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape."
+msgstr ""
+
+#: scene/2d/collision_shape_2d.cpp
+msgid ""
+"A shape must be provided for CollisionShape2D to function. Please create a "
+"shape resource for it!"
+msgstr ""
+
+#: scene/2d/cpu_particles_2d.cpp
+msgid ""
+"CPUParticles2D animation requires the usage of a CanvasItemMaterial with "
+"\"Particles Animation\" enabled."
+msgstr ""
+
+#: scene/2d/light_2d.cpp
+msgid ""
+"A texture with the shape of the light must be supplied to the 'texture' "
+"property."
+msgstr ""
+
+#: scene/2d/light_occluder_2d.cpp
+msgid ""
+"An occluder polygon must be set (or drawn) for this occluder to take effect."
+msgstr ""
+
+#: scene/2d/light_occluder_2d.cpp
+msgid "The occluder polygon for this occluder is empty. Please draw a polygon!"
+msgstr ""
+
+#: scene/2d/navigation_polygon.cpp
+msgid ""
+"A NavigationPolygon resource must be set or created for this node to work. "
+"Please set a property or draw a polygon."
+msgstr ""
+
+#: scene/2d/navigation_polygon.cpp
+msgid ""
+"NavigationPolygonInstance must be a child or grandchild to a Navigation2D "
+"node. It only provides navigation data."
+msgstr ""
+
+#: scene/2d/parallax_layer.cpp
+msgid ""
+"ParallaxLayer node only works when set as child of a ParallaxBackground node."
+msgstr ""
+
+#: scene/2d/particles_2d.cpp
+msgid ""
+"GPU-based particles are not supported by the GLES2 video driver.\n"
+"Use the CPUParticles2D node instead. You can use the \"Convert to "
+"CPUParticles\" option for this purpose."
+msgstr ""
+
+#: scene/2d/particles_2d.cpp scene/3d/particles.cpp
+msgid ""
+"A material to process the particles is not assigned, so no behavior is "
+"imprinted."
+msgstr ""
+
+#: scene/2d/particles_2d.cpp
+msgid ""
+"Particles2D animation requires the usage of a CanvasItemMaterial with "
+"\"Particles Animation\" enabled."
+msgstr ""
+
+#: scene/2d/path_2d.cpp
+msgid "PathFollow2D only works when set as a child of a Path2D node."
+msgstr ""
+
+#: scene/2d/physics_body_2d.cpp
+msgid ""
+"Size changes to RigidBody2D (in character or rigid modes) will be overridden "
+"by the physics engine when running.\n"
+"Change the size in children collision shapes instead."
+msgstr ""
+
+#: scene/2d/remote_transform_2d.cpp
+msgid "Path property must point to a valid Node2D node to work."
+msgstr ""
+
+#: scene/2d/skeleton_2d.cpp
+msgid "This Bone2D chain should end at a Skeleton2D node."
+msgstr ""
+
+#: scene/2d/skeleton_2d.cpp
+msgid "A Bone2D only works with a Skeleton2D or another Bone2D as parent node."
+msgstr ""
+
+#: scene/2d/skeleton_2d.cpp
+msgid ""
+"This bone lacks a proper REST pose. Go to the Skeleton2D node and set one."
+msgstr ""
+
+#: scene/2d/visibility_notifier_2d.cpp
+msgid ""
+"VisibilityEnable2D works best when used with the edited scene root directly "
+"as parent."
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid "ARVRCamera must have an ARVROrigin node as its parent"
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid "ARVRController must have an ARVROrigin node as its parent"
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid ""
+"The controller id must not be 0 or this controller will not be bound to an "
+"actual controller"
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid "ARVRAnchor must have an ARVROrigin node as its parent"
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid ""
+"The anchor id must not be 0 or this anchor will not be bound to an actual "
+"anchor"
+msgstr ""
+
+#: scene/3d/arvr_nodes.cpp
+msgid "ARVROrigin requires an ARVRCamera child node"
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp
+msgid "%d%%"
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp
+msgid "(Time Left: %d:%02d s)"
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp
+msgid "Plotting Meshes: "
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp
+msgid "Plotting Lights:"
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp scene/3d/gi_probe.cpp
+msgid "Finishing Plot"
+msgstr ""
+
+#: scene/3d/baked_lightmap.cpp
+msgid "Lighting Meshes: "
+msgstr ""
+
+#: scene/3d/collision_object.cpp
+msgid ""
+"This node has no shape, so it can't collide or interact with other objects.\n"
+"Consider adding a CollisionShape or CollisionPolygon as a child to define "
+"its shape."
+msgstr ""
+
+#: scene/3d/collision_polygon.cpp
+msgid ""
+"CollisionPolygon only serves to provide a collision shape to a "
+"CollisionObject derived node. Please only use it as a child of Area, "
+"StaticBody, RigidBody, KinematicBody, etc. to give them a shape."
+msgstr ""
+
+#: scene/3d/collision_polygon.cpp
+msgid "An empty CollisionPolygon has no effect on collision."
+msgstr ""
+
+#: scene/3d/collision_shape.cpp
+msgid ""
+"CollisionShape only serves to provide a collision shape to a CollisionObject "
+"derived node. Please only use it as a child of Area, StaticBody, RigidBody, "
+"KinematicBody, etc. to give them a shape."
+msgstr ""
+
+#: scene/3d/collision_shape.cpp
+msgid ""
+"A shape must be provided for CollisionShape to function. Please create a "
+"shape resource for it!"
+msgstr ""
+
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
+#: scene/3d/cpu_particles.cpp
+msgid "Nothing is visible because no mesh has been assigned."
+msgstr ""
+
+#: scene/3d/cpu_particles.cpp
+msgid ""
+"CPUParticles animation requires the usage of a SpatialMaterial with "
+"\"Billboard Particles\" enabled."
+msgstr ""
+
+#: scene/3d/gi_probe.cpp
+msgid "Plotting Meshes"
+msgstr ""
+
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
+#: scene/3d/navigation_mesh.cpp
+msgid "A NavigationMesh resource must be set or created for this node to work."
+msgstr ""
+
+#: scene/3d/navigation_mesh.cpp
+msgid ""
+"NavigationMeshInstance must be a child or grandchild to a Navigation node. "
+"It only provides navigation data."
+msgstr ""
+
+#: scene/3d/particles.cpp
+msgid ""
+"GPU-based particles are not supported by the GLES2 video driver.\n"
+"Use the CPUParticles node instead. You can use the \"Convert to CPUParticles"
+"\" option for this purpose."
+msgstr ""
+
+#: scene/3d/particles.cpp
+msgid ""
+"Nothing is visible because meshes have not been assigned to draw passes."
+msgstr ""
+
+#: scene/3d/particles.cpp
+msgid ""
+"Particles animation requires the usage of a SpatialMaterial with \"Billboard "
+"Particles\" enabled."
+msgstr ""
+
+#: scene/3d/path.cpp
+msgid "PathFollow only works when set as a child of a Path node."
+msgstr ""
+
+#: scene/3d/path.cpp
+msgid ""
+"PathFollow ROTATION_ORIENTED requires \"Up Vector\" enabled in its parent "
+"Path's Curve resource."
+msgstr ""
+
+#: scene/3d/physics_body.cpp
+msgid ""
+"Size changes to RigidBody (in character or rigid modes) will be overridden "
+"by the physics engine when running.\n"
+"Change the size in children collision shapes instead."
+msgstr ""
+
+#: scene/3d/remote_transform.cpp
+msgid "Path property must point to a valid Spatial node to work."
+msgstr ""
+
+#: scene/3d/soft_body.cpp
+msgid "This body will be ignored until you set a mesh"
+msgstr ""
+
+#: scene/3d/soft_body.cpp
+msgid ""
+"Size changes to SoftBody will be overridden by the physics engine when "
+"running.\n"
+"Change the size in children collision shapes instead."
+msgstr ""
+
+#: scene/3d/sprite_3d.cpp
+msgid ""
+"A SpriteFrames resource must be created or set in the 'Frames' property in "
+"order for AnimatedSprite3D to display frames."
+msgstr ""
+
+#: scene/3d/vehicle_body.cpp
+msgid ""
+"VehicleWheel serves to provide a wheel system to a VehicleBody. Please use "
+"it as a child of a VehicleBody."
+msgstr ""
+
+#: scene/3d/world_environment.cpp
+msgid "WorldEnvironment needs an Environment resource."
+msgstr ""
+
+#: scene/3d/world_environment.cpp
+msgid ""
+"Only one WorldEnvironment is allowed per scene (or set of instanced scenes)."
+msgstr ""
+
+#: scene/3d/world_environment.cpp
+msgid ""
+"This WorldEnvironment is ignored. Either add a Camera (for 3D scenes) or set "
+"this environment's Background Mode to Canvas (for 2D scenes)."
+msgstr ""
+
+#: scene/animation/animation_blend_tree.cpp
+msgid "On BlendTree node '%s', animation not found: '%s'"
+msgstr ""
+
+#: scene/animation/animation_blend_tree.cpp
+msgid "Animation not found: '%s'"
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "In node '%s', invalid animation: '%s'."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "Invalid animation: '%s'."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "Nothing connected to input '%s' of node '%s'."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "A root AnimationNode for the graph is not set."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "Path to an AnimationPlayer node containing animations is not set."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "Path set for AnimationPlayer does not lead to an AnimationPlayer node."
+msgstr ""
+
+#: scene/animation/animation_tree.cpp
+msgid "AnimationPlayer root is not a valid node."
+msgstr ""
+
+#: scene/animation/animation_tree_player.cpp
+msgid "This node has been deprecated. Use AnimationTree instead."
+msgstr ""
+
+#: scene/gui/color_picker.cpp
+msgid "Pick a color from the screen."
+msgstr ""
+
+#: scene/gui/color_picker.cpp
+msgid "Raw Mode"
+msgstr ""
+
+#: scene/gui/color_picker.cpp
+msgid "Switch between hexadecimal and code values."
+msgstr ""
+
+#: scene/gui/color_picker.cpp
+msgid "Add current color as a preset."
+msgstr ""
+
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
+#: scene/gui/dialogs.cpp
+msgid "Alert!"
+msgstr ""
+
+#: scene/gui/dialogs.cpp
+msgid "Please Confirm..."
+msgstr ""
+
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
+#: scene/gui/popup.cpp
+msgid ""
+"Popups will hide by default unless you call popup() or any of the popup*() "
+"functions. Making them visible for editing is fine though, but they will "
+"hide upon running."
+msgstr ""
+
+#: scene/gui/range.cpp
+msgid "If exp_edit is true min_value must be > 0."
+msgstr ""
+
+#: scene/gui/scroll_container.cpp
+msgid ""
+"ScrollContainer is intended to work with a single child control.\n"
+"Use a container as child (VBox,HBox,etc), or a Control and set the custom "
+"minimum size manually."
+msgstr ""
+
+#: scene/gui/tree.cpp
+msgid "(Other)"
+msgstr ""
+
+#: scene/main/scene_tree.cpp
+msgid ""
+"Default Environment as specified in Project Settings (Rendering -> "
+"Environment -> Default Environment) could not be loaded."
+msgstr ""
+
+#: scene/main/viewport.cpp
+msgid ""
+"This viewport is not set as render target. If you intend for it to display "
+"its contents directly to the screen, make it a child of a Control so it can "
+"obtain a size. Otherwise, make it a RenderTarget and assign its internal "
+"texture to some node for display."
+msgstr ""
+
+#: scene/resources/dynamic_font.cpp
+msgid "Error initializing FreeType."
+msgstr ""
+
+#: scene/resources/dynamic_font.cpp
+msgid "Unknown font format."
+msgstr ""
+
+#: scene/resources/dynamic_font.cpp
+msgid "Error loading font."
+msgstr ""
+
+#: scene/resources/dynamic_font.cpp
+msgid "Invalid font size."
+msgstr ""
+
+#: scene/resources/visual_shader.cpp
+msgid "Input"
+msgstr ""
+
+#: scene/resources/visual_shader_nodes.cpp
+msgid "Invalid source for shader."
+msgstr ""
+
+#: servers/visual/shader_language.cpp
+msgid "Assignment to function."
+msgstr ""
+
+#: servers/visual/shader_language.cpp
+msgid "Assignment to uniform."
+msgstr ""
+
+#: servers/visual/shader_language.cpp
+msgid "Varyings can only be assigned in vertex function."
+msgstr ""
diff --git a/editor/translations/ml.po b/editor/translations/ml.po
index 1521d0a841..d029bdaacd 100644
--- a/editor/translations/ml.po
+++ b/editor/translations/ml.po
@@ -1335,8 +1335,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1384,7 +1398,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1459,10 +1473,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1678,8 +1712,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1688,6 +1722,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2922,14 +2966,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3065,10 +3101,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4997,19 +5029,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5100,11 +5132,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5685,6 +5717,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6737,6 +6777,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6875,6 +6931,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -6992,6 +7056,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9543,6 +9611,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9557,6 +9631,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9700,6 +9780,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9708,6 +9796,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/ms.po b/editor/translations/ms.po
index 70640a39da..61fb10d582 100644
--- a/editor/translations/ms.po
+++ b/editor/translations/ms.po
@@ -1349,8 +1349,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1398,7 +1412,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1473,10 +1487,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1692,8 +1726,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1702,6 +1736,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2936,14 +2980,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3079,10 +3115,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5019,19 +5051,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5122,11 +5154,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5707,6 +5739,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6763,6 +6803,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6903,6 +6959,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -7021,6 +7085,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9576,6 +9644,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9590,6 +9664,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9733,6 +9813,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9741,6 +9829,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/nb.po b/editor/translations/nb.po
index d5ed37e58c..405d71e43b 100644
--- a/editor/translations/nb.po
+++ b/editor/translations/nb.po
@@ -1434,8 +1434,22 @@ msgstr "Pakking"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1488,7 +1502,7 @@ msgstr "Vis I Filutforsker"
 msgid "New Folder..."
 msgstr "Ny Mappe..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Oppdater"
 
@@ -1563,10 +1577,35 @@ msgstr "Flytt Favoritt Oppover"
 msgid "Move Favorite Down"
 msgstr "Flytt Favoritt Nedover"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Forrige fane"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Lag mappe"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "GÃ¥ til overnevnt mappe"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Kunne ikke opprette mappe."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Vis elementer som et rutenett av miniatyrbilder"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Vis elementer som liste"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Mapper og Filer:"
@@ -1808,9 +1847,9 @@ msgstr "Nullstill resultat"
 msgid "Project export failed with error code %d."
 msgstr "Eksport av prosjektet mislyktes med feilkode %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Feil ved lagring av ressurs!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1818,6 +1857,16 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Feil ved lagring av ressurs!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Lagre Ressurs Som..."
 
@@ -3170,16 +3219,6 @@ msgstr "Kan ikke navigere til '%s' for den ble ikke funnet på filsystemet!"
 
 #: editor/filesystem_dock.cpp
 #, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Vis elementer som et rutenett av miniatyrbilder"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Vis elementer som liste"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "\n"
@@ -3335,11 +3374,6 @@ msgid "Search files"
 msgstr "Søk i klasser"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instanser den valgte scene(r) som barn av den valgte noden."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5404,6 +5438,10 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr ""
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
@@ -5416,10 +5454,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Ingen piksler med gjennomsiktighet > 128 i bilde..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr ""
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr ""
 
@@ -5508,11 +5542,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6139,6 +6173,14 @@ msgid "Open Godot online documentation"
 msgstr "Ã…pne Godots nettbaserte dokumentasjon"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Søk i referanse-dokumentasjonen."
 
@@ -7240,6 +7282,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Neste skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Forrige skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7396,6 +7456,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Flytt Polygon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Flytt Polygon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Fjern Mal"
 
@@ -7527,6 +7597,10 @@ msgid "Exporting All"
 msgstr "Eksporter"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10184,6 +10258,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10198,6 +10278,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10346,6 +10432,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -10354,6 +10448,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "GÃ¥ til overnevnt mappe"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10428,6 +10527,10 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#, fuzzy
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Instanser den valgte scene(r) som barn av den valgte noden."
+
 #~ msgid "Warnings:"
 #~ msgstr "Advarsler:"
 
diff --git a/editor/translations/nl.po b/editor/translations/nl.po
index 541763f376..c0e046dc9b 100644
--- a/editor/translations/nl.po
+++ b/editor/translations/nl.po
@@ -29,12 +29,14 @@
 # Peter Goelst <muis24@gmail.com>, 2019.
 # Wouter Buckens <wou.buc@gmail.com>, 2019.
 # Stijn Hinlopen <f.a.hinlopen@gmail.com>, 2019.
+# jef dered <themen098s@vivaldi.net>, 2019.
+# Alex H. <sandertjeh13@hotmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-01-26 21:22+0000\n"
-"Last-Translator: Stijn Hinlopen <f.a.hinlopen@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: Alex H. <sandertjeh13@hotmail.com>\n"
 "Language-Team: Dutch <https://hosted.weblate.org/projects/godot-engine/godot/"
 "nl/>\n"
 "Language: nl\n"
@@ -42,11 +44,10 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
-#, fuzzy
 msgid "Invalid type argument to convert(), use TYPE_* constants."
 msgstr "Ongeldig argumenttype aan convert(), gebruik TYPE_* constanten."
 
@@ -111,14 +112,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Geselecteerde Key(s) Verwijderen"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Punt toevoegen"
+msgstr "Bézierpunt toevoegen"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Beweeg Punt"
+msgstr "Beweeg Bézierpunten"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -149,9 +148,8 @@ msgid "Anim Change Call"
 msgstr "Anim Wijzig Aanroep"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Verander Animatie Lus"
+msgstr "Verander Animatielengte"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -240,7 +238,7 @@ msgstr "Tijd (s): "
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Inschakelen Doppler"
+msgstr "Verander de ingeschakelde track"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -293,19 +291,16 @@ msgid "Delete Key(s)"
 msgstr "Verwijder Key(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Verander Animatie Naam:"
+msgstr "Verander animatie update modus"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Interpolatiemodus"
+msgstr "Verander Animatie Interpolatiemodus"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Verander Animatie Lus"
+msgstr "Verander Animatie lus Modus"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -349,14 +344,13 @@ msgid "Anim Insert Key"
 msgstr "Anim Key Invoegen"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Verander Animatie FPS"
+msgstr "Verander Animatiestappen"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Herschik Autoloads"
+msgstr "Herschik Tracks"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -389,9 +383,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Niet mogelijk om een nieuwe track toe te voegen zonder een root"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Track Toevoegen"
+msgstr "Voeg Bézierbaan Toe"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -662,11 +655,11 @@ msgstr "Initialiseer Zoom"
 
 #: editor/code_editor.cpp modules/mono/editor/mono_bottom_panel.cpp
 msgid "Warnings"
-msgstr ""
+msgstr "Waarschuwingen"
 
 #: editor/code_editor.cpp
 msgid "Line and column numbers."
-msgstr ""
+msgstr "Regel- en kolomnummers."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -1414,8 +1407,22 @@ msgstr "Inpakken"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1466,7 +1473,7 @@ msgstr "Weergeven in Bestandsbeheer"
 msgid "New Folder..."
 msgstr "Nieuwe Map..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Verversen"
 
@@ -1541,10 +1548,34 @@ msgstr "Verplaats Favoriet Naar Boven"
 msgid "Move Favorite Down"
 msgstr "Verplaats Favoriet Naar Beneden"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Vorig tabblad"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Map Maken"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ga naar bovenliggende folder"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Map kon niet gemaakt worden."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Toon items in een miniatuurraster."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Bekijk objecten als een lijst"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Mappen & Bestanden:"
@@ -1773,9 +1804,9 @@ msgstr "Maak Uitvoer Leeg"
 msgid "Project export failed with error code %d."
 msgstr "Project exporteren faalt door foutcode %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Error bij het opslaan van resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "De geïmporteerde bronnen kunnen niet worden opgeslagen."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1783,6 +1814,19 @@ msgid "OK"
 msgstr "Oké"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Error bij het opslaan van resource!"
+
+#: editor/editor_node.cpp
+#, fuzzy
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Deze bron kan niet worden opgeslagen omdat het niet bij de bewerkte scene "
+"behoort. Maak het eerst uniek."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Resource Opslaan Als..."
 
@@ -2009,7 +2053,7 @@ msgstr "Mislukt om resource te laden."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Een hoofdknooppunt is vereist voor het opslaan van de scène."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2772,6 +2816,9 @@ msgid ""
 "Can't create a ViewportTexture on resources saved as a file.\n"
 "Resource needs to belong to a scene."
 msgstr ""
+"Kan geen ViewportTexture creëren op bronnen die zijn opgeslagen als een "
+"bestand.\n"
+"Bron moet toebehoren aan een scène."
 
 #: editor/editor_properties.cpp
 msgid ""
@@ -2780,6 +2827,10 @@ msgid ""
 "Please switch on the 'local to scene' property on it (and all resources "
 "containing it up to a node)."
 msgstr ""
+"Kan geen ViewportTexture creëren op deze bron omdat deze niet is ingesteld "
+"als 'local to scene'.\n"
+"Schakel de 'local to scene' eigenschap op deze bron in (en op alle bronnen "
+"die het bevat tot en met een knooppunt)."
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Pick a Viewport"
@@ -3105,15 +3156,6 @@ msgstr ""
 "is!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Toon items in een miniatuurraster."
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Bekijk objecten als een lijst"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Status: Importeren van bestand mislukt. Repareer het bestand en importeer "
@@ -3251,12 +3293,6 @@ msgid "Search files"
 msgstr "Zoek bestanden"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Maak een nieuwe kopie van de geselecteerde scene(s) als kind van de "
-"geselecteerde knoop."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3471,7 +3507,7 @@ msgstr "Herimporteer"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
-msgstr ""
+msgstr "Sla scènes op, her-importeer en start opnieuw op"
 
 #: editor/import_dock.cpp
 #, fuzzy
@@ -3482,6 +3518,8 @@ msgstr "Om de video driver te veranderen moet de editor herstart worden."
 msgid ""
 "WARNING: Assets exist that use this resource, they may stop loading properly."
 msgstr ""
+"WAARSCHUWING: Er bestaan Assets die gebruikmaken van deze bron, hierdoor "
+"kunnen deze mogelijk niet worden geladen."
 
 #: editor/inspector_dock.cpp
 msgid "Failed to load resource."
@@ -3701,7 +3739,7 @@ msgstr "Verwijder Pad Punt"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Verplaats BlendSpace1D knooppunt"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3728,7 +3766,7 @@ msgstr "Selecteer en verplaats punten, maak punten aan met RMK."
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp scene/gui/graph_edit.cpp
 msgid "Enable snap and show grid."
-msgstr ""
+msgstr "Schakel automatisch uitlijnen en rasterweergave in."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3777,7 +3815,7 @@ msgstr "BlendSpace2D hoort niet bij een AnimationTree knoop."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "No triangles exist, so no blending can take place."
-msgstr ""
+msgstr "Er bestaan geen driehoeken, blending kan niet plaatsvinden."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #, fuzzy
@@ -3794,7 +3832,7 @@ msgstr "Punten en driehoeken wissen."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Generate blend triangles automatically (instead of manually)"
-msgstr ""
+msgstr "Genereer geblende driehoeken automatisch (in plaats van handmatig)"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3813,7 +3851,7 @@ msgstr "Filters Bewerken"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Output node can't be added to the blend tree."
-msgstr ""
+msgstr "Output Node kan niet worden toegevoegd aan de blend tree."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -4150,7 +4188,7 @@ msgstr "Aan het einde"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Travel"
-msgstr ""
+msgstr "Verplaats"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #, fuzzy
@@ -4174,7 +4212,7 @@ msgstr "Overgangsknoop"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Stel in als Start Node (Autoplay)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4204,7 +4242,7 @@ msgstr ""
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set the end animation. This is useful for sub-transitions."
-msgstr ""
+msgstr "Stel eindanimatie in. Dit is handig voor sub-transities."
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Transition: "
@@ -4602,6 +4640,7 @@ msgstr "Verplaats CanvasItem"
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
 msgstr ""
+"Vooraf ingestelde waardes voor de ankers en marges van een Control Node."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4794,7 +4833,7 @@ msgstr "Maak IK Ketting Leeg"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Make Custom Bone(s) from Node(s)"
-msgstr ""
+msgstr "Maak één of meerdere op maat gemaakte botten van één of meerdere Nodes"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4833,7 +4872,7 @@ msgstr "Toon Aanzicht Portaal"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Show Group And Lock Icons"
-msgstr ""
+msgstr "Toon Groep en Slot Iconen"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Center Selection"
@@ -5009,7 +5048,7 @@ msgstr "Bak GI Probe"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradient aangepast"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5277,6 +5316,10 @@ msgid "Generating Visibility Rect"
 msgstr "Genereer Zichtbaarheid Rechthoek"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Genereer Zichtbaarheid Rechthoek"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Kan punt alleen plaatsen in een PartikelsMateriaal proces materiaal"
 
@@ -5289,10 +5332,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Geen pixels met transparantie > 128 in afbeelding..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Genereer Zichtbaarheid Rechthoek"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Laad Emissie Masker"
 
@@ -5381,13 +5420,13 @@ msgid "Generating AABB"
 msgstr "AABB Genereren"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Genereer AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Genereer Zichtbaarheid AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Genereer AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Verwijder Punt van Curve"
@@ -5526,7 +5565,7 @@ msgstr "Beweeg Punt"
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid ""
 "The skeleton property of the Polygon2D does not point to a Skeleton2D node"
-msgstr ""
+msgstr "De Polygon2D skeleteigenschap wijst niet naar een Skeleton2D Node"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 #, fuzzy
@@ -5538,6 +5577,8 @@ msgid ""
 "No texture in this polygon.\n"
 "Set a texture to be able to edit UV."
 msgstr ""
+"Deze polygoon bevat geen textuur.\n"
+"Stel een textuur in om de UV aan te kunnen passen."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create UV Map"
@@ -5548,6 +5589,8 @@ msgid ""
 "Polygon 2D has internal vertices, so it can no longer be edited in the "
 "viewport."
 msgstr ""
+"Polygon2D heeft interne hoekpunten waardoor deze niet meer bewerkt kan "
+"worden via de viewport."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 #, fuzzy
@@ -5566,7 +5609,7 @@ msgstr "Verwijder In-Controle Punt"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Invalid Polygon (need 3 different vertices)"
-msgstr ""
+msgstr "Ongeldige Polygoon (heeft minimaal 3 verschillende hoekpunten nodig)"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 #, fuzzy
@@ -5602,7 +5645,7 @@ msgstr "Polygon 2D UV Editor"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "UV"
-msgstr ""
+msgstr "UV"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 #, fuzzy
@@ -5651,24 +5694,28 @@ msgstr "Schaal Polygon"
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create a custom polygon. Enables custom polygon rendering."
 msgstr ""
+"Creëer een op maat gemaakte polygoon. Schakelt het renderen van op maat "
+"gemaakte polygonen in."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid ""
 "Remove a custom polygon. If none remain, custom polygon rendering is "
 "disabled."
 msgstr ""
+"Verwijder een op maat gemaakte polygoon. Als er geen overblijven zal het "
+"renderen van op maat gemaakte polygonen worden uitgeschakeld."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Paint weights with specified intensity."
-msgstr ""
+msgstr "Teken gewichten met gespecificeerde intensiteit."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Unpaint weights with specified intensity."
-msgstr ""
+msgstr "Wis gewichten met gespecificeerde intensiteit."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Radius:"
-msgstr ""
+msgstr "Radius:"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Polygon->UV"
@@ -5782,7 +5829,7 @@ msgstr "BronnenPrelader"
 
 #: editor/plugins/root_motion_editor_plugin.cpp
 msgid "AnimationTree has no path set to an AnimationPlayer"
-msgstr ""
+msgstr "AnimationTree heeft geen ingesteld pad naar een AnimationPlayer"
 
 #: editor/plugins/root_motion_editor_plugin.cpp
 #, fuzzy
@@ -5874,7 +5921,7 @@ msgstr " Klasse Referentie"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Toggle alphabetical sorting of the method list."
-msgstr ""
+msgstr "Schakel het alfabetisch sorteren van de methode lijst in of uit."
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Sort"
@@ -6004,6 +6051,14 @@ msgid "Open Godot online documentation"
 msgstr "Open Godot online documentatie"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Zoek in de referentie documentatie."
 
@@ -6051,7 +6106,7 @@ msgstr "Regel:"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "(ignore)"
-msgstr ""
+msgstr "(negeren)"
 
 #: editor/plugins/script_text_editor.cpp
 #, fuzzy
@@ -6060,7 +6115,7 @@ msgstr "Ga Naar Functie..."
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Standard"
-msgstr ""
+msgstr "Standaard"
 
 #: editor/plugins/script_text_editor.cpp
 msgid "Only resources from filesystem can be dropped."
@@ -6093,7 +6148,7 @@ msgstr "Maak Hoofdletters"
 
 #: editor/plugins/script_text_editor.cpp editor/plugins/text_editor.cpp
 msgid "Syntax Highlighter"
-msgstr ""
+msgstr "Syntax Markeren"
 
 #: editor/plugins/script_text_editor.cpp scene/gui/line_edit.cpp
 #: scene/gui/text_edit.cpp
@@ -6216,7 +6271,7 @@ msgstr "Creëer Emissie Punten Vanuit Mesh"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Set Rest Pose to Bones"
-msgstr ""
+msgstr "Stel Rustpose in op Botten"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 #, fuzzy
@@ -6225,11 +6280,11 @@ msgstr "Singleton"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Make Rest Pose (From Bones)"
-msgstr ""
+msgstr "Maak Rustpose (van Botten)"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Set Bones to Rest Pose"
-msgstr ""
+msgstr "Stel Botten in op Rustpose"
 
 #: editor/plugins/skeleton_editor_plugin.cpp
 #, fuzzy
@@ -6306,7 +6361,7 @@ msgstr "Schakelaar"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Yaw"
-msgstr ""
+msgstr "Yaw"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Objects Drawn"
@@ -6476,6 +6531,10 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Opmerking: De weergegeven FPS waarde is de verversingssnelheid van de "
+"editor.\n"
+"Deze waarde kan niet worden gebruikt als een betrouwbare indicatie van in-"
+"game performance."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 #, fuzzy
@@ -6523,7 +6582,7 @@ msgstr "Lokale Coördinaten"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Local Space Mode (%s)"
-msgstr ""
+msgstr "Lokale Ruimtemodus (%s)"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 #, fuzzy
@@ -6601,7 +6660,7 @@ msgstr "Transformatie"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Snap object to floor"
-msgstr ""
+msgstr "Lijn object uit op vloer"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Transform Dialog..."
@@ -6711,7 +6770,7 @@ msgstr "Post"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Nameless gizmo"
-msgstr ""
+msgstr "Naamloos apparaat"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 #, fuzzy
@@ -6720,11 +6779,11 @@ msgstr "Mesh is leeg!"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Can't convert a sprite using animation frames to mesh."
-msgstr ""
+msgstr "Kan geen Sprite converteren dat animatieframes gebruikt om te meshen."
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Invalid geometry, can't replace by mesh."
-msgstr ""
+msgstr "Ongeldige geometrie, kan niet worden vervangen door Mesh."
 
 #: editor/plugins/sprite_editor_plugin.cpp
 #, fuzzy
@@ -6743,11 +6802,11 @@ msgstr "Creëer Omlijning Mesh"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Simplification: "
-msgstr ""
+msgstr "Simplificatie: "
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Grow (Pixels): "
-msgstr ""
+msgstr "Vergroot (Pixels): "
 
 #: editor/plugins/sprite_editor_plugin.cpp
 #, fuzzy
@@ -6769,7 +6828,7 @@ msgstr "Voeg Frame toe"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Resource clipboard is empty or not a texture!"
-msgstr ""
+msgstr "Klembord van bron is leeg of het is niet een textuur!"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Paste Frame"
@@ -6835,9 +6894,8 @@ msgid "Set Region Rect"
 msgstr ""
 
 #: editor/plugins/texture_region_editor_plugin.cpp
-#, fuzzy
 msgid "Set Margin"
-msgstr "Stel Handgreep In"
+msgstr "Stel Marge In"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Snap Mode:"
@@ -6859,19 +6917,19 @@ msgstr "Rooster Snap"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Auto Slice"
-msgstr ""
+msgstr "Automatisch Snijden"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Offset:"
-msgstr ""
+msgstr "Afstand:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Step:"
-msgstr ""
+msgstr "Stap:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 msgid "Sep.:"
-msgstr ""
+msgstr "Separatie:"
 
 #: editor/plugins/texture_region_editor_plugin.cpp
 #, fuzzy
@@ -6908,11 +6966,11 @@ msgstr "Thema Bewerkingsmenu."
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Add Class Items"
-msgstr ""
+msgstr "Class Items Toevoegen"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Remove Class Items"
-msgstr ""
+msgstr "Class Items Verwijderen"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Create Empty Template"
@@ -6940,33 +6998,31 @@ msgstr "Item"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Check Item"
-msgstr ""
+msgstr "Item Aanvinken"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Checked Item"
-msgstr ""
+msgstr "Item Aangevinkt"
 
 #: editor/plugins/theme_editor_plugin.cpp
-#, fuzzy
 msgid "Radio Item"
-msgstr "Item Toevoegen"
+msgstr "Radio Item"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Checked Radio Item"
-msgstr ""
+msgstr "Radio Item Aangevinkt"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Has"
-msgstr "Had"
+msgstr "Heeft"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Many"
 msgstr "Veel"
 
 #: editor/plugins/theme_editor_plugin.cpp
-#, fuzzy
 msgid "Has,Many,Options"
-msgstr "Opties"
+msgstr "Heeft,Veel,Opties"
 
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Tab 1"
@@ -7020,7 +7076,7 @@ msgstr "Centreer Selectie"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Paint TileMap"
-msgstr ""
+msgstr "Teken TileMap"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Line Draw"
@@ -7028,15 +7084,15 @@ msgstr "Teken Lijn"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Rectangle Paint"
-msgstr ""
+msgstr "Teken Driehoek"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Bucket Fill"
-msgstr ""
+msgstr "Opvullen"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Erase TileMap"
-msgstr ""
+msgstr "Wis TileMap"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Find Tile"
@@ -7056,7 +7112,7 @@ msgstr "Spiegel Y"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Paint Tile"
-msgstr ""
+msgstr "Teken Tegel"
 
 #: editor/plugins/tile_map_editor_plugin.cpp
 msgid "Pick Tile"
@@ -7104,6 +7160,24 @@ msgid "Merge from Scene"
 msgstr "Vervoeg vanuit Scene"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Volgend script"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Selecteer de volgende shape, sub-tegel of Tegel."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Vorig tabblad"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Selecteer de vorige shape, subtegel of Tegel."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Bitmasker kopiëren."
 
@@ -7151,7 +7225,7 @@ msgstr "Geen Texture geselecteerd om te verwijderen."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create from scene? This will overwrite all current tiles."
-msgstr ""
+msgstr "Creëer vanuit scène? Hiermee worden alle huidige tegels overschreven."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Merge from scene?"
@@ -7164,7 +7238,7 @@ msgstr "Verwijder Sjabloon"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "%s file(s) were not added because was already on the list."
-msgstr ""
+msgstr "%s bestand(en) niet toegevoegd omdat deze al op de lijst staan."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7203,6 +7277,9 @@ msgid ""
 "bindings.\n"
 "Click on another Tile to edit it."
 msgstr ""
+"Selecteer subtegel om te gebruiken als icoon, wordt ook gebruikt op "
+"ongeldige autotegel bindingen.\n"
+"Klik op een andere Tegel om deze aan te passen."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
@@ -7230,7 +7307,7 @@ msgstr "Map Maken"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Set Tile Icon"
-msgstr ""
+msgstr "Tegel Icoon Instellen"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
@@ -7259,7 +7336,17 @@ msgstr "Plak Animatie"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Clear Tile Bitmask"
-msgstr ""
+msgstr "Wis Tegel Bitmasker"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Beweeg Polygon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Beweeg Polygon"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
@@ -7288,7 +7375,7 @@ msgstr "Filters Bewerken"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Edit Tile Z Index"
-msgstr ""
+msgstr "Wijzig Tegel Z Index"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
@@ -7331,7 +7418,7 @@ msgstr "Dupliceer Graaf Knooppunt(en)"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Visuele Shader Invoertype Gewijzigd"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 #, fuzzy
@@ -7380,6 +7467,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Exporteren van project voor platform '%s' is mislukt.\n"
+"Exportsjablonen zijn mogelijk niet aanwezig of ongeldig."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7387,6 +7476,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Exporteren van project voor platform '%s' is mislukt.\n"
+"Dit probleem wordt mogelijk veroorzaakt door een foutieve instelling in de "
+"vooraf ingestelde exportinstellingen of uw eigen exportinstellingen."
 
 #: editor/project_export.cpp
 #, fuzzy
@@ -7399,8 +7491,13 @@ msgid "Exporting All"
 msgstr "Aan het exporteren voor %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Dit pad bestaat niet."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
-msgstr ""
+msgstr "Exportsjablonen voor dit platform zijn niet aanwezig of corrupt:"
 
 #: editor/project_export.cpp
 msgid "Presets"
@@ -7417,11 +7514,11 @@ msgstr "Project Exporteren"
 
 #: editor/project_export.cpp
 msgid "Resources"
-msgstr ""
+msgstr "Bronnen"
 
 #: editor/project_export.cpp
 msgid "Export all resources in the project"
-msgstr ""
+msgstr "Exporteer alle bronnen in het project"
 
 #: editor/project_export.cpp
 msgid "Export selected scenes (and dependencies)"
@@ -7429,25 +7526,29 @@ msgstr "Exporteer geselecteerde scenes (en afhankelijkheden)"
 
 #: editor/project_export.cpp
 msgid "Export selected resources (and dependencies)"
-msgstr ""
+msgstr "Exporteer geselecteerde bronnen (en afhankelijkheden)"
 
 #: editor/project_export.cpp
 msgid "Export Mode:"
-msgstr ""
+msgstr "Exporteer Modus:"
 
 #: editor/project_export.cpp
 msgid "Resources to export:"
-msgstr ""
+msgstr "Bronnen te exporteren:"
 
 #: editor/project_export.cpp
 msgid ""
 "Filters to export non-resource files (comma separated, e.g: *.json, *.txt)"
 msgstr ""
+"Filters voor het exporteren van bestanden dat geen bron zijn (scheiden met "
+"een komma, bijv.: *.json, *.txt)"
 
 #: editor/project_export.cpp
 msgid ""
 "Filters to exclude files from project (comma separated, e.g: *.json, *.txt)"
 msgstr ""
+"Filters voor het uitsluiten van bestanden van het project (scheiden met een "
+"komma, bijv.: *.json, *.txt)"
 
 #: editor/project_export.cpp
 msgid "Patches"
@@ -7455,7 +7556,7 @@ msgstr "Patches"
 
 #: editor/project_export.cpp
 msgid "Make Patch"
-msgstr ""
+msgstr "Maak Patch"
 
 #: editor/project_export.cpp
 msgid "Features"
@@ -7481,23 +7582,23 @@ msgstr "Project Exporteren"
 
 #: editor/project_export.cpp
 msgid "Text"
-msgstr ""
+msgstr "Tekst"
 
 #: editor/project_export.cpp
 msgid "Compiled"
-msgstr ""
+msgstr "Gecompileerd"
 
 #: editor/project_export.cpp
 msgid "Encrypted (Provide Key Below)"
-msgstr ""
+msgstr "Versleuteld (Verstrek hieronder de sleutel)"
 
 #: editor/project_export.cpp
 msgid "Invalid Encryption Key (must be 64 characters long)"
-msgstr ""
+msgstr "Ongeldige Encryptiesleutel (moet 64 tekens lang zijn)"
 
 #: editor/project_export.cpp
 msgid "Script Encryption Key (256-bits as hex):"
-msgstr ""
+msgstr "Script Encryptiesleutel (256-bits als hexadecimale):"
 
 #: editor/project_export.cpp
 msgid "Export PCK/Zip"
@@ -7527,7 +7628,7 @@ msgstr "Dit pad bestaat niet."
 
 #: editor/project_manager.cpp
 msgid "Invalid '.zip' project file, does not contain a 'project.godot' file."
-msgstr ""
+msgstr "Ongeldig '.zip' projectbestand, bevat geen 'project.godot' bestand."
 
 #: editor/project_manager.cpp
 msgid "Please choose an empty folder."
@@ -7540,7 +7641,7 @@ msgstr "Kies alstublieft een 'project.godot' bestand."
 
 #: editor/project_manager.cpp
 msgid "Directory already contains a Godot project."
-msgstr ""
+msgstr "Map bevat al een Godot project."
 
 #: editor/project_manager.cpp
 msgid "Imported Project"
@@ -7572,6 +7673,8 @@ msgid ""
 "Couldn't load project.godot in project path (error %d). It may be missing or "
 "corrupted."
 msgstr ""
+"Kan project.godot in project pad niet laden (error %d). Mogelijk is het "
+"bestand niet aanwezig of corrupt."
 
 #: editor/project_manager.cpp
 msgid "Couldn't edit project.godot in project path."
@@ -7642,11 +7745,11 @@ msgstr "Bladeren"
 
 #: editor/project_manager.cpp
 msgid "Renderer:"
-msgstr ""
+msgstr "Renderer:"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 3.0"
-msgstr ""
+msgstr "OpenGL ES 3.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7655,10 +7758,14 @@ msgid ""
 "Incompatible with older hardware\n"
 "Not recommended for web games"
 msgstr ""
+"Hogere beeldkwaliteit\n"
+"Alle features beschikbaar\n"
+"Incompatibel met verouderde hardware\n"
+"Niet aanbevolen voor web gebaseerde games"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 2.0"
-msgstr ""
+msgstr "OpenGL ES 2.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7667,10 +7774,16 @@ msgid ""
 "Works on most hardware\n"
 "Recommended for web games"
 msgstr ""
+"Lagere beeldkwaliteit\n"
+"Sommige features zijn niet beschikbaar\n"
+"Werkt op bijna alle hardware\n"
+"Aanbevolen voor web gebaseerde games"
 
 #: editor/project_manager.cpp
 msgid "Renderer can be changed later, but scenes may need to be adjusted."
 msgstr ""
+"Renderer kan later worden gewijzigd, scenes moeten dan mogelijk worden "
+"bijgesteld."
 
 #: editor/project_manager.cpp
 msgid "Unnamed Project"
@@ -7697,6 +7810,15 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Het volgende project-configuratiebestand specificeert niet door welke versie "
+"van Godot deze gemaakt is.\n"
+"\n"
+"%s\n"
+"\n"
+"Als je doorgaat met het openen van dit bestand, zal het worden geconverteerd "
+"naar Godot's huidige format voor project-configuratiebestanden.\n"
+"Waarschuwing: Hierna kan het project niet meer worden geopend door oudere "
+"versies van Godot Engine."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7709,12 +7831,22 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Het volgende project-configuratiebestand was gegenereerd door een oudere "
+"versie van Godot Engine, en moet worden geconverteerd voor deze versie:\n"
+"\n"
+"%s\n"
+"\n"
+"Wil je dit project-configuratiebestand converteren?\n"
+"Waarschuwing: Hierna kan het project niet meer worden geopend door oudere "
+"versies van Godot Engine."
 
 #: editor/project_manager.cpp
 msgid ""
 "The project settings were created by a newer engine version, whose settings "
 "are not compatible with this version."
 msgstr ""
+"Het project-configuratiebestand is gemaakt door een nieuwere versie van "
+"Godot Engine, en is incompatibel met de huidige versie."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7731,6 +7863,8 @@ msgid ""
 "Can't run project: Assets need to be imported.\n"
 "Please edit the project to trigger the initial import."
 msgstr ""
+"Kan project niet starten: Assets moeten worden geïmporteerd.\n"
+"Wijzig het project om de initiële import te starten."
 
 #: editor/project_manager.cpp
 msgid "Are you sure to run more than one project?"
@@ -7754,6 +7888,8 @@ msgid ""
 "You are about the scan %s folders for existing Godot projects. Do you "
 "confirm?"
 msgstr ""
+"U staat op het punt om %s folders te scannen voor bestaande Godot projecten. "
+"Akkoord?"
 
 #: editor/project_manager.cpp
 msgid "Project Manager"
@@ -7782,7 +7918,7 @@ msgstr "Verwijder Selectie"
 
 #: editor/project_manager.cpp
 msgid "Exit"
-msgstr ""
+msgstr "Sluiten"
 
 #: editor/project_manager.cpp
 msgid "Restart Now"
@@ -7798,45 +7934,48 @@ msgid ""
 "You don't currently have any projects.\n"
 "Would you like to explore the official example projects in the Asset Library?"
 msgstr ""
+"U heeft momenteel geen projecten.\n"
+"Wilt u de officiële voorbeeldprojecten verkennen in de Asset Library?"
 
 #: editor/project_settings_editor.cpp
 msgid "Key "
-msgstr ""
+msgstr "Sleutel "
 
 #: editor/project_settings_editor.cpp
 msgid "Joy Button"
-msgstr ""
+msgstr "Controller Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Joy Axis"
-msgstr ""
+msgstr "Controller Axis"
 
 #: editor/project_settings_editor.cpp
 msgid "Mouse Button"
-msgstr ""
+msgstr "Muis Knop"
 
 #: editor/project_settings_editor.cpp
 msgid ""
 "Invalid action name. it cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'"
 msgstr ""
+"Ongeldige actienaam. Kan niet leeg zijn en mag niet '/', ':', '=', '\\' of "
+"'\"' bevatten"
 
 #: editor/project_settings_editor.cpp
 msgid "Action '%s' already exists!"
-msgstr ""
+msgstr "Action '%s' bestaat al!"
 
 #: editor/project_settings_editor.cpp
 msgid "Rename Input Action Event"
-msgstr ""
+msgstr "Hernoem Input Action Event"
 
 #: editor/project_settings_editor.cpp
-#, fuzzy
 msgid "Change Action deadzone"
-msgstr "Verander Animatie Naam:"
+msgstr "Wijzig Action Deadzone"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Input Action Event"
-msgstr ""
+msgstr "Toevoegen Input Action Event"
 
 #: editor/project_settings_editor.cpp
 #, fuzzy
@@ -7857,35 +7996,35 @@ msgstr "Alt+"
 
 #: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
 msgid "Control+"
-msgstr ""
+msgstr "Control+"
 
 #: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
 msgid "Press a Key..."
-msgstr ""
+msgstr "Druk op een toets..."
 
 #: editor/project_settings_editor.cpp
 msgid "Mouse Button Index:"
-msgstr ""
+msgstr "Muis Knop Index:"
 
 #: editor/project_settings_editor.cpp
 msgid "Left Button"
-msgstr ""
+msgstr "Links Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Right Button"
-msgstr ""
+msgstr "Rechts Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Middle Button"
-msgstr ""
+msgstr "Middelste Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Wheel Up Button"
-msgstr ""
+msgstr "Muiswiel Omhoog Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Wheel Down Button"
-msgstr ""
+msgstr "Muiswiel Omlaag Knop"
 
 #: editor/project_settings_editor.cpp
 #, fuzzy
@@ -7909,7 +8048,7 @@ msgstr "Knop"
 
 #: editor/project_settings_editor.cpp
 msgid "Joypad Axis Index:"
-msgstr ""
+msgstr "Controller Axis Index:"
 
 #: editor/project_settings_editor.cpp
 msgid "Axis"
@@ -7917,7 +8056,7 @@ msgstr "As"
 
 #: editor/project_settings_editor.cpp
 msgid "Joypad Button Index:"
-msgstr ""
+msgstr "Controller Knop Index:"
 
 #: editor/project_settings_editor.cpp
 #, fuzzy
@@ -7926,11 +8065,11 @@ msgstr "Schaal Selectie"
 
 #: editor/project_settings_editor.cpp
 msgid "Erase Input Action Event"
-msgstr ""
+msgstr "Wis Input Action Event"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Event"
-msgstr ""
+msgstr "Event Toevoegen"
 
 #: editor/project_settings_editor.cpp
 msgid "Button"
@@ -7963,15 +8102,15 @@ msgstr "Getter Property Toevoegen"
 
 #: editor/project_settings_editor.cpp
 msgid "Select a setting item first!"
-msgstr ""
+msgstr "Selecteer eerst een instellingsitem!"
 
 #: editor/project_settings_editor.cpp
 msgid "No property '%s' exists."
-msgstr ""
+msgstr "Eigenschap '%s' bestaat niet."
 
 #: editor/project_settings_editor.cpp
 msgid "Setting '%s' is internal, and it can't be deleted."
-msgstr ""
+msgstr "Instelling '%s' is intern, en kan niet worden verwijderd."
 
 #: editor/project_settings_editor.cpp
 #, fuzzy
@@ -7983,6 +8122,8 @@ msgid ""
 "Invalid action name. It cannot be empty nor contain '/', ':', '=', '\\' or "
 "'\"'."
 msgstr ""
+"Ongeldige actienaam. Kan niet leeg zijn en mag niet '/', ':', '=', '\\' of "
+"'\"' bevatten."
 
 #: editor/project_settings_editor.cpp
 msgid "Already existing"
@@ -7990,19 +8131,19 @@ msgstr "Bestaat al"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Input Action"
-msgstr ""
+msgstr "Toevoegen Input Action"
 
 #: editor/project_settings_editor.cpp
 msgid "Error saving settings."
-msgstr ""
+msgstr "Fout bij opslaan instellingen."
 
 #: editor/project_settings_editor.cpp
 msgid "Settings saved OK."
-msgstr ""
+msgstr "Instellingen succesvol opgeslagen."
 
 #: editor/project_settings_editor.cpp
 msgid "Override for Feature"
-msgstr ""
+msgstr "Override voor Feature"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Translation"
@@ -8014,31 +8155,33 @@ msgstr "Verwijder vertaling"
 
 #: editor/project_settings_editor.cpp
 msgid "Add Remapped Path"
-msgstr ""
+msgstr "Voeg Remapped Path toe"
 
 #: editor/project_settings_editor.cpp
+#, fuzzy
 msgid "Resource Remap Add Remap"
-msgstr ""
+msgstr "Bron Remap Toevoegen"
 
 #: editor/project_settings_editor.cpp
+#, fuzzy
 msgid "Change Resource Remap Language"
-msgstr ""
+msgstr "Wijzig Bron Remap Taal"
 
 #: editor/project_settings_editor.cpp
 msgid "Remove Resource Remap"
-msgstr ""
+msgstr "Verwijder Bron Remap"
 
 #: editor/project_settings_editor.cpp
 msgid "Remove Resource Remap Option"
-msgstr ""
+msgstr "Verwijder Bron Remap Optie"
 
 #: editor/project_settings_editor.cpp
 msgid "Changed Locale Filter"
-msgstr ""
+msgstr "Lokale Filter Gewijzigd"
 
 #: editor/project_settings_editor.cpp
 msgid "Changed Locale Filter Mode"
-msgstr ""
+msgstr "Lokale Filtermodus Gewijzigd"
 
 #: editor/project_settings_editor.cpp
 msgid "Project Settings (project.godot)"
@@ -8050,11 +8193,11 @@ msgstr "Algemeen"
 
 #: editor/project_settings_editor.cpp
 msgid "Override For..."
-msgstr ""
+msgstr "Override Voor..."
 
 #: editor/project_settings_editor.cpp editor/settings_config_dialog.cpp
 msgid "Editor must be restarted for changes to take effect"
-msgstr ""
+msgstr "Editor moet worden herstart voordat de wijzigingen worden toegepast"
 
 #: editor/project_settings_editor.cpp
 msgid "Input Map"
@@ -8062,7 +8205,7 @@ msgstr ""
 
 #: editor/project_settings_editor.cpp
 msgid "Action:"
-msgstr ""
+msgstr "Action:"
 
 #: editor/project_settings_editor.cpp
 #, fuzzy
@@ -8071,19 +8214,19 @@ msgstr "Verplaats Actie"
 
 #: editor/project_settings_editor.cpp
 msgid "Deadzone"
-msgstr ""
+msgstr "Deadzone"
 
 #: editor/project_settings_editor.cpp
 msgid "Device:"
-msgstr ""
+msgstr "Apparaat:"
 
 #: editor/project_settings_editor.cpp
 msgid "Index:"
-msgstr ""
+msgstr "Index:"
 
 #: editor/project_settings_editor.cpp
 msgid "Localization"
-msgstr ""
+msgstr "Lokalisatie"
 
 #: editor/project_settings_editor.cpp
 msgid "Translations"
@@ -8095,23 +8238,25 @@ msgstr "Vertalingen:"
 
 #: editor/project_settings_editor.cpp
 msgid "Remaps"
-msgstr ""
+msgstr "Remaps"
 
 #: editor/project_settings_editor.cpp
 msgid "Resources:"
-msgstr ""
+msgstr "Bronnen:"
 
 #: editor/project_settings_editor.cpp
+#, fuzzy
 msgid "Remaps by Locale:"
-msgstr ""
+msgstr "Remaps door Locale:"
 
 #: editor/project_settings_editor.cpp
 msgid "Locale"
-msgstr ""
+msgstr "Locale"
 
 #: editor/project_settings_editor.cpp
+#, fuzzy
 msgid "Locales Filter"
-msgstr ""
+msgstr "Lokalen Filter"
 
 #: editor/project_settings_editor.cpp
 msgid "Show all locales"
@@ -8132,7 +8277,7 @@ msgstr ""
 
 #: editor/project_settings_editor.cpp
 msgid "AutoLoad"
-msgstr ""
+msgstr "Automatisch Laden"
 
 #: editor/property_editor.cpp
 msgid "Ease In"
@@ -8144,7 +8289,7 @@ msgstr ""
 
 #: editor/property_editor.cpp
 msgid "Zero"
-msgstr ""
+msgstr "Nul"
 
 #: editor/property_editor.cpp
 msgid "Easing In-Out"
@@ -8164,7 +8309,7 @@ msgstr ""
 
 #: editor/property_editor.cpp
 msgid "Assign"
-msgstr ""
+msgstr "Toewijzen"
 
 #: editor/property_editor.cpp
 #, fuzzy
@@ -8173,7 +8318,7 @@ msgstr "Alles Selecteren"
 
 #: editor/property_editor.cpp
 msgid "Error loading file: Not a resource!"
-msgstr ""
+msgstr "Fout bij laden bestand: Niet een bron!"
 
 #: editor/property_editor.cpp
 #, fuzzy
@@ -8190,19 +8335,19 @@ msgstr "Selecteer Eigenschap"
 
 #: editor/property_selector.cpp
 msgid "Select Virtual Method"
-msgstr ""
+msgstr "Selecteer Virtuele Method"
 
 #: editor/property_selector.cpp
 msgid "Select Method"
-msgstr ""
+msgstr "Selecteer Method"
 
 #: editor/pvrtc_compress.cpp
 msgid "Could not execute PVRTC tool:"
-msgstr ""
+msgstr "Kan PVRTC tool niet uitvoeren:"
 
 #: editor/pvrtc_compress.cpp
 msgid "Can't load back converted image using PVRTC tool:"
-msgstr ""
+msgstr "Kan geconverteerd beeld niet laden met de PVRTC tool:"
 
 #: editor/rename_dialog.cpp editor/scene_tree_dock.cpp
 #, fuzzy
@@ -8211,11 +8356,11 @@ msgstr "Hernoemen"
 
 #: editor/rename_dialog.cpp
 msgid "Prefix"
-msgstr ""
+msgstr "Voorvoegsel"
 
 #: editor/rename_dialog.cpp
 msgid "Suffix"
-msgstr ""
+msgstr "Achtervoegsel"
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8224,7 +8369,7 @@ msgstr "Uitlijnen opties"
 
 #: editor/rename_dialog.cpp
 msgid "Substitute"
-msgstr ""
+msgstr "Plaatsvervanger"
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8233,7 +8378,7 @@ msgstr "Node Naam:"
 
 #: editor/rename_dialog.cpp
 msgid "Node's parent name, if available"
-msgstr ""
+msgstr "Naam van primaire Node, indien beschikbaar"
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8255,18 +8400,22 @@ msgid ""
 "Sequential integer counter.\n"
 "Compare counter options."
 msgstr ""
+"Sequentiële integer teller.\n"
+"Vergelijk tellersopties."
 
 #: editor/rename_dialog.cpp
 msgid "Per Level counter"
-msgstr ""
+msgstr "Per Niveau teller"
 
 #: editor/rename_dialog.cpp
+#, fuzzy
 msgid "If set the counter restarts for each group of child nodes"
 msgstr ""
+"Herstart de teller voor iedere groep van secundaire Nodes indien ingesteld"
 
 #: editor/rename_dialog.cpp
 msgid "Initial value for the counter"
-msgstr ""
+msgstr "Initiële waarde van teller"
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8275,17 +8424,19 @@ msgstr "Stap(pen):"
 
 #: editor/rename_dialog.cpp
 msgid "Amount by which counter is incremented for each node"
-msgstr ""
+msgstr "Hoeveelheid waarmee de teller incrementeert voor iedere Node"
 
 #: editor/rename_dialog.cpp
 msgid "Padding"
-msgstr ""
+msgstr "Vulling"
 
 #: editor/rename_dialog.cpp
 msgid ""
 "Minimum number of digits for the counter.\n"
 "Missing digits are padded with leading zeros."
 msgstr ""
+"Minimum aantal nummers voor de teller.\n"
+"Missende nummers worden opgevuld met nullen."
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8294,23 +8445,23 @@ msgstr "Verander Expressie"
 
 #: editor/rename_dialog.cpp
 msgid "Post-Process"
-msgstr ""
+msgstr "Post-Process"
 
 #: editor/rename_dialog.cpp
 msgid "Keep"
-msgstr ""
+msgstr "Houd"
 
 #: editor/rename_dialog.cpp
 msgid "CamelCase to under_scored"
-msgstr ""
+msgstr "CamelCase naar under_scored"
 
 #: editor/rename_dialog.cpp
 msgid "under_scored to CamelCase"
-msgstr ""
+msgstr "under_scored naar CamelCase"
 
 #: editor/rename_dialog.cpp
 msgid "Case"
-msgstr ""
+msgstr "Case"
 
 #: editor/rename_dialog.cpp
 #, fuzzy
@@ -8341,7 +8492,7 @@ msgstr ""
 
 #: editor/reparent_dialog.cpp
 msgid "Keep Global Transform"
-msgstr ""
+msgstr "Houd Globale Transformatie"
 
 #: editor/reparent_dialog.cpp editor/scene_tree_dock.cpp
 msgid "Reparent"
@@ -8349,11 +8500,11 @@ msgstr ""
 
 #: editor/run_settings_dialog.cpp
 msgid "Run Mode:"
-msgstr ""
+msgstr "Uitvoermodus:"
 
 #: editor/run_settings_dialog.cpp
 msgid "Current Scene"
-msgstr ""
+msgstr "Huidige Scene"
 
 #: editor/run_settings_dialog.cpp
 msgid "Main Scene"
@@ -8361,11 +8512,11 @@ msgstr "Hoofdscène"
 
 #: editor/run_settings_dialog.cpp
 msgid "Main Scene Arguments:"
-msgstr ""
+msgstr "Hoofdscene Argumenten:"
 
 #: editor/run_settings_dialog.cpp
 msgid "Scene Run Settings"
-msgstr ""
+msgstr "Scene Uitvoerinstellingen"
 
 #: editor/scene_tree_dock.cpp
 msgid "No parent to instance the scenes at."
@@ -10123,6 +10274,12 @@ msgstr ""
 "Een vorm moet gegeven worden om CollisionShape te laten werken. Maak "
 "alsjeblieft een vorm resource voor deze!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10137,6 +10294,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10297,6 +10460,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Huidige kleur als een preset toevoegen"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Alarm!"
@@ -10305,6 +10476,11 @@ msgstr "Alarm!"
 msgid "Please Confirm..."
 msgstr "Bevestig Alsjeblieft..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Ga naar bovenliggende folder"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10387,6 +10563,11 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Maak een nieuwe kopie van de geselecteerde scene(s) als kind van de "
+#~ "geselecteerde knoop."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/pl.po b/editor/translations/pl.po
index a211de63b7..a2e25fba35 100644
--- a/editor/translations/pl.po
+++ b/editor/translations/pl.po
@@ -17,7 +17,7 @@
 # Maksymilian Świąć <maksymilian.swiac@gmail.com>, 2017-2018.
 # Mietek Szcześniak <ravaging@go2.pl>, 2016.
 # NeverK <neverkoxu@gmail.com>, 2018, 2019.
-# Rafal Brozio <rafal.brozio@gmail.com>, 2016.
+# Rafal Brozio <rafal.brozio@gmail.com>, 2016, 2019.
 # Rafał Ziemniak <synaptykq@gmail.com>, 2017.
 # RM <synaptykq@gmail.com>, 2018.
 # Sebastian Krzyszkowiak <dos@dosowisko.net>, 2017.
@@ -26,16 +26,17 @@
 # Zatherz <zatherz@linux.pl>, 2017.
 # Tomek <kobewi4e@gmail.com>, 2018, 2019.
 # Wojcieh Er Zet <wojcieh.rzepecki@gmail.com>, 2018.
-# Dariusz Siek <dariuszynski@gmail.com>, 2018.
+# Dariusz Siek <dariuszynski@gmail.com>, 2018, 2019.
 # Szymon Nowakowski <smnbdg13@gmail.com>, 2019.
 # Nie Powiem <blazek10@tlen.pl>, 2019.
 # Sebastian Hojka <sibibibi1@gmail.com>, 2019.
 # Robert <vizz0@onet.pl>, 2019.
+# Michał Topa <moonchasered@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-03-01 11:59+0000\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
 "Last-Translator: Tomek <kobewi4e@gmail.com>\n"
 "Language-Team: Polish <https://hosted.weblate.org/projects/godot-engine/"
 "godot/pl/>\n"
@@ -45,7 +46,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
 "|| n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -61,12 +62,12 @@ msgstr ""
 
 #: core/math/expression.cpp
 msgid "Invalid input %i (not passed) in expression"
-msgstr "Niewłaściwe wejście %i (nie podano) w wyrażeniu"
+msgstr "Nieprawidłowe wejście %i (nie podano) w wyrażeniu"
 
 #: core/math/expression.cpp
 msgid "self can't be used because instance is null (not passed)"
 msgstr ""
-"self nie może zostać użyte ponieważ obiekt ma wartość null (nie podano)"
+"self nie może być użyte ponieważ instancja jest równa zeru (nie przekazano)"
 
 #: core/math/expression.cpp
 msgid "Invalid operands to operator %s, %s and %s."
@@ -114,14 +115,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Usuń klucz(e)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Dodaj punkt"
+msgstr "Dodaj punkt krzywej Beziera"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Przesuń punkty"
+msgstr "Przesuń punkty krzywej Beziera"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -152,9 +151,8 @@ msgid "Anim Change Call"
 msgstr "Animacja - wywołanie funkcji"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Zmień pętle animacji"
+msgstr "Zmień długość animacji"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -211,9 +209,8 @@ msgid "Anim Clips:"
 msgstr "Klipy animacji:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Zmień Wartość Tablicy"
+msgstr "Zmień adres ścieżki"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -240,9 +237,8 @@ msgid "Time (s): "
 msgstr "Czas (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Efekt Dopplera"
+msgstr "Przełącz aktywność ścieżki"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -295,19 +291,16 @@ msgid "Delete Key(s)"
 msgstr "Usuń klucz(e)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Zmień nazwę animacji:"
+msgstr "Zmień tryb zmiany animacji"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Sposób interpolacji"
+msgstr "Zmień sposób interpolacji animacji"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Zmień pętle animacji"
+msgstr "Zmień sposób zapętlania animacji"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -352,14 +345,12 @@ msgid "Anim Insert Key"
 msgstr "Wstaw klatkÄ™ kluczowÄ…"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Zmień FPS animacji"
+msgstr "Zmień krok animacji"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Przestaw Autoloady"
+msgstr "Przestaw ścieżki"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -391,9 +382,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Nie da się dodać nowej ścieżki bez korzenia"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Dodaj ścieżkę"
+msgstr "Dodaj ścieżkę krzywej Beziera"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -404,23 +394,20 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Ścieżka nie jest typu Spatial, nie można wstawić klucza"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Ścieżka przekształcenia 3D"
+msgstr "Dodaj klucz ścieżki transformacji"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Dodaj ścieżkę"
+msgstr "Dodaj klucz ścieżki"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr "Ścieżka jest nieprawidłowa, więc nie można wstawić klucza metody."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Ścieżka wywołania metody"
+msgstr "Dodaj klucz ścieżki metody"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -582,17 +569,16 @@ msgid "Copy"
 msgstr "Kopiuj"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Klipy dźwiękowe:"
+msgstr "Dodaj klip ścieżki audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Zmień początkowe przesunięcie klipu ścieżki audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Zmień końcowe przesunięcie klipu ścieżki audio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -663,9 +649,8 @@ msgid "Warnings"
 msgstr "Ostrzeżenia"
 
 #: editor/code_editor.cpp
-#, fuzzy
 msgid "Line and column numbers."
-msgstr "Numery linii i kolumn"
+msgstr "Numery linii i kolumn."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -1223,9 +1208,8 @@ msgid "Add Bus"
 msgstr "Dodaj magistralÄ™"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Add a new Audio Bus to this layout."
-msgstr "Zapisz układ magistrali audio jako..."
+msgstr "Dodaj nową Szynę Audio do tego układu."
 
 #: editor/editor_audio_buses.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
@@ -1403,9 +1387,31 @@ msgstr "Pakowanie"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Platforma docelowa wymaga dla GLES2 kompresji tekstur 'ETC'. WÅ‚Ä…cz 'Import "
+"Etc' w Ustawieniach Projektu."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"Platforma docelowa wymaga dla GLES3 kompresji tekstur 'ETC2'. WÅ‚Ä…cz 'Import "
+"Etc 2' w Ustawieniach Projektu."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
+msgstr ""
+"Platforma docelowa wymaga kompresji tekstur 'ETC', by sterownik awaryjny "
+"GLES2 mógł zadziałać.\n"
+"Włącz 'Import Etc' w Ustawieniach Projektu lub wyłącz 'Driver Fallback "
+"Enabled'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1452,7 +1458,7 @@ msgstr "Pokaż w menedżerze plików"
 msgid "New Folder..."
 msgstr "Utwórz katalog..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Odśwież"
 
@@ -1527,10 +1533,30 @@ msgstr "Przesuń Ulubiony w górę"
 msgid "Move Favorite Down"
 msgstr "Przesuń Ulubiony w dół"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Poprzedni folder"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Następny folder"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Przejdź folder wyżej"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Dodaj/usuń aktualny folder z ulubionych."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Wyświetl elementy jako siatkę miniatur."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Wyświetl elementy jako listę."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Katalogi i pliki:"
@@ -1753,9 +1779,9 @@ msgstr "Wyczyść dane wyjściowe"
 msgid "Project export failed with error code %d."
 msgstr "Eksport projektu nie powiódł się, kod błędu to %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "BÅ‚Ä…d podczas zapisu zasobu!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Zaimportowane zasoby nie mogą być zapisane."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1763,6 +1789,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "BÅ‚Ä…d podczas zapisu zasobu!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Ten zasób nie może zostać zapisany, ponieważ nie należy do edytowanej sceny. "
+"Uczyń go najpierw unikalnym."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Zapisz zasób jako..."
 
@@ -1982,14 +2020,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Zapisać zmiany w '%s' przed zamknięciem?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Nie udało się wczytać zasobu."
+msgstr "Zapisano %s zmodyfikowanych zasobów."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Tylko jeden plik jest wymagany dla dużych tekstur."
+msgstr "Scena musi posiadać korzeń, by ją zapisać."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2256,7 +2292,7 @@ msgstr "Ostatnio otwierane"
 
 #: editor/editor_node.cpp
 msgid "Convert To..."
-msgstr "Konwertuje na..."
+msgstr "Konwertuj na..."
 
 #: editor/editor_node.cpp
 msgid "MeshLibrary..."
@@ -2294,7 +2330,7 @@ msgstr "Ustawienia projektu"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Export"
-msgstr "Eksport"
+msgstr "Eksportuj"
 
 #: editor/editor_node.cpp editor/plugins/tile_set_editor_plugin.cpp
 msgid "Tools"
@@ -2306,7 +2342,7 @@ msgstr "Otwórz folder danych projektu"
 
 #: editor/editor_node.cpp
 msgid "Quit to Project List"
-msgstr "Wyjdź do Listy Projektów"
+msgstr "Wyjdź do listy projektów"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/project_export.cpp
@@ -2427,7 +2463,7 @@ msgstr "Otwórz folder ustawień edytora"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Manage Export Templates"
-msgstr "ZarzÄ…dzanie szablonami eksportu"
+msgstr "ZarzÄ…dzaj szablonami eksportu"
 
 #: editor/editor_node.cpp
 msgid "Help"
@@ -2511,9 +2547,8 @@ msgid "Save & Restart"
 msgstr "Zapisz i zrestartuj"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Spins when the editor window redraws."
-msgstr "Ikona obraca siÄ™, gdy okno edytora jest odrysowywane!"
+msgstr "Obraca siÄ™, gdy okno edytora jest przerysowywane."
 
 #: editor/editor_node.cpp
 msgid "Update Always"
@@ -2833,9 +2868,9 @@ msgid ""
 "No runnable export preset found for this platform.\n"
 "Please add a runnable preset in the export menu."
 msgstr ""
-"Nie znaleziono możliwej do uruchomienia konfiguracji eksportu dla tej "
+"Nie znaleziono możliwego do uruchomienia profilu eksportu dla tej "
 "platformy.\n"
-"Dodaj poprawnÄ… konfiguracjÄ™ z menu eksportu."
+"Dodaj poprawny profil z menu eksportu."
 
 #: editor/editor_run_script.cpp
 msgid "Write your logic in the _run() method."
@@ -2904,7 +2939,7 @@ msgstr "Pobieranie informacji o serwerach lustrzanych, proszę czekać..."
 
 #: editor/export_template_manager.cpp
 msgid "Remove template version '%s'?"
-msgstr "Usunąć wersję '%s' szablonu?"
+msgstr "Usunąć wersję \"%s\" szablonu?"
 
 #: editor/export_template_manager.cpp
 msgid "Can't open export templates zip."
@@ -3077,14 +3112,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "Nie można przejść do '%s' - nie znaleziono w tym systemie plików!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Wyświetl elementy jako siatkę miniatur."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Wyświetl elementy jako listę."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Status: Importowanie pliku nie powiodło się. Proszę naprawić plik i ponownie "
@@ -3222,10 +3249,6 @@ msgid "Search files"
 msgstr "Przeszukaj pliki"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Utwórz instancję wybranej sceny/scen jako dziecko wybranego węzła."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3628,19 +3651,16 @@ msgstr "Wczytaj..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Przesuń punkty"
+msgstr "Przesuń punkt węzła"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Zmień czas mieszania"
+msgstr "Zmień granice BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Zmień czas mieszania"
+msgstr "Zmień etykiety BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3651,24 +3671,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Dodaj węzeł"
+msgstr "Dodaj punkt węzła"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Dodaj animacjÄ™"
+msgstr "Dodaj punkt animacji"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Usuń punkt ścieżki"
+msgstr "Usuń punkt BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Przesuń punkt węzła BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3714,29 +3731,24 @@ msgid "Triangle already exists"
 msgstr "Trójkąt już istnieje"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Dodaj zmiennÄ…"
+msgstr "Dodaj trójkąt"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Zmień czas mieszania"
+msgstr "Zmień granice BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Zmień czas mieszania"
+msgstr "Zmień etykiety BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Usuń punkt ścieżki"
+msgstr "Usuń punkt BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Usuń zmienną"
+msgstr "Usuń trójkąt BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3747,9 +3759,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Nie ma żadnego trójkąta, więc nie może zajść mieszanie."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Przełącz automatycznie ładowane zmienne globalne"
+msgstr "Przełącz automatyczne trójkąty"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3769,9 +3780,8 @@ msgid "Blend:"
 msgstr "Mieszanie:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Zmiany materiału"
+msgstr "Parametr zmieniony"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3783,15 +3793,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "Węzeł wyjściowy nie może być dodany do drzewa mieszania."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Dodaj węzeł(y) z drzewa"
+msgstr "Dodaj węzeł do BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Tryb przesuwania"
+msgstr "Węzeł przesunięty"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3802,36 +3810,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Podłączony"
+msgstr "Węzły połączone"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Rozłączono"
+msgstr "Węzły rozłączone"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Animacje"
+msgstr "Ustaw animacjÄ™"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Usuń węzeł (węzły)"
+msgstr "Usuń węzeł"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Włącz/wyłącz tę ścieżkę."
+msgstr "Przełącz filtrowanie"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Zmień filtr ustawień lokalizacji"
+msgstr "Zmień filtr"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3854,9 +3856,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nazwa węzła"
+msgstr "Węzeł przemianowany"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3911,7 +3912,6 @@ msgid "Rename Animation"
 msgstr "Zmień nazwę animacji"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Blend Next Changed"
 msgstr "Mieszaj następną zmienioną"
 
@@ -4005,14 +4005,12 @@ msgid "Autoplay on Load"
 msgstr "Auto odtwarzanie po załadowaniu"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Onion Skinning"
-msgstr "Tryb warstw cebuli"
+msgstr "Onion skinning"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
 msgid "Enable Onion Skinning"
-msgstr "WÅ‚Ä…cz tryb warstw cebuli"
+msgstr "WÅ‚Ä…cz Onion skinning"
 
 #: editor/plugins/animation_player_editor_plugin.cpp
 msgid "Directions"
@@ -4087,14 +4085,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Czasy przejścia pomiędzy animacjami"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Tryb przesuwania"
+msgstr "Przesuń węzeł"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Dodaj tłumaczenie"
+msgstr "Dodaj przejście"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4130,18 +4126,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Nie znaleziono zasobu do odtworzenia w ścieżce: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Usunięte:"
+msgstr "Węzeł usunięty"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Węzeł Przejścia"
+msgstr "Przejście usunięte"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Ustaw węzeł początkowy (autoodtwarzanie)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4578,6 +4572,8 @@ msgid ""
 "Children of containers have their anchors and margins values overridden by "
 "their parent."
 msgstr ""
+"Wartości zakotwiczeń i marginesów węzłów potomnych kontenerów są nadpisane "
+"przez ich rodzica."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Anchors only"
@@ -4600,6 +4596,8 @@ msgid ""
 "Warning: Children of a container get their position and size determined only "
 "by their parent."
 msgstr ""
+"Ostrzeżenie: Pozycja i rozmiar węzła potomnego kontenera są ustawiane tylko "
+"przez jego rodzica."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #: editor/plugins/texture_region_editor_plugin.cpp
@@ -4813,15 +4811,15 @@ msgstr "Wstaw klucze."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key (Existing Tracks)"
-msgstr "Wstaw Klucz (Istniejące Ścieżki)"
+msgstr "Wstaw klucz (istniejące ścieżki)"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Copy Pose"
-msgstr "Skopiuj PozÄ™"
+msgstr "Skopiuj pozÄ™"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Clear Pose"
-msgstr "Wyczyść Pozę"
+msgstr "Wyczyść pozę"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Multiply grid step by 2"
@@ -4866,9 +4864,8 @@ msgstr ""
 "Przeciągnij i upuść + Alt: Zmień typ węzła"
 
 #: editor/plugins/collision_polygon_editor_plugin.cpp
-#, fuzzy
 msgid "Create Polygon3D"
-msgstr "Utwórz wielokąt"
+msgstr "Utwórz Wielokąt3D"
 
 #: editor/plugins/collision_polygon_editor_plugin.cpp
 msgid "Edit Poly"
@@ -4966,7 +4963,7 @@ msgstr "Wypal sondÄ™ GI"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradient edytowany"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5062,9 +5059,8 @@ msgid "Create Convex Static Body"
 msgstr "Utwórz statyczne ciało wypukłe"
 
 #: editor/plugins/mesh_instance_editor_plugin.cpp
-#, fuzzy
 msgid "Create Trimesh Collision Sibling"
-msgstr "Utwórz trójsiatkę sąsiednich kolizji"
+msgstr "Utwórz sąsiadującą trójsiatkę kolizji"
 
 #: editor/plugins/mesh_instance_editor_plugin.cpp
 msgid "Create Convex Collision Sibling"
@@ -5225,9 +5221,12 @@ msgid "Generating Visibility Rect"
 msgstr "Generowanie prostokąta widzialności"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-#, fuzzy
+msgid "Generate Visibility Rect"
+msgstr "Wygeneruj prostokąt widoczności"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
-msgstr "Punkt można wstawić tylko w materiał obróbki ParticlesMaterial"
+msgstr "Punkt można wstawić tylko w materiał przetwarzania ParticlesMaterial"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Error loading image:"
@@ -5238,10 +5237,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Brak pikseli z przeźroczystością > 128 w obrazie..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Wygeneruj prostokąta widzialności"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Wczytaj maskÄ™ emisji"
 
@@ -5321,35 +5316,32 @@ msgid "Emission Source: "
 msgstr "Źródła emisji: "
 
 #: editor/plugins/particles_editor_plugin.cpp
-#, fuzzy
 msgid "A processor material of type 'ParticlesMaterial' is required."
-msgstr "Materiał przetwarzający typu 'ParticlesMaterial' jest wymagany."
+msgstr "Materiał przetwarzający typu \"ParticlesMaterial\" jest wymagany."
 
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Generating AABB"
 msgstr "Generowanie AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Generuj AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Generuj AABB widoczności"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Generuj AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Usuń punkt z krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Out-Control from Curve"
-msgstr "Usuń punkt z krzywej"
+msgstr "Usuń punkt kontrolny wychodzący z krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Remove In-Control from Curve"
-msgstr "Usuń punkt z krzywej"
+msgstr "Usuń punkt kontrolny wchodzący z krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
@@ -5366,11 +5358,11 @@ msgstr "PrzenieÅ› punkt krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Move In-Control in Curve"
-msgstr ""
+msgstr "Przesuń punkt kontrolny wchodzący z krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Move Out-Control in Curve"
-msgstr ""
+msgstr "Przesuń punkt kontrolny wychodzący z krzywej"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
 #: editor/plugins/path_editor_plugin.cpp
@@ -5440,14 +5432,12 @@ msgid "Set Curve Point Position"
 msgstr "Ustaw pozycje punktu krzywej"
 
 #: editor/plugins/path_editor_plugin.cpp
-#, fuzzy
 msgid "Set Curve In Position"
-msgstr "Ustaw pozycje krzywej"
+msgstr "Ustaw punkt kontrolny wchodzÄ…cy z krzywej"
 
 #: editor/plugins/path_editor_plugin.cpp
-#, fuzzy
 msgid "Set Curve Out Position"
-msgstr "Ustaw pozycje punktu krzywej"
+msgstr "Ustaw punkt kontrolny wychodzÄ…cy z krzywej"
 
 #: editor/plugins/path_editor_plugin.cpp
 msgid "Split Path"
@@ -5458,14 +5448,12 @@ msgid "Remove Path Point"
 msgstr "Usuń punkt ścieżki"
 
 #: editor/plugins/path_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Out-Control Point"
-msgstr "Usuń punkt ścieżki"
+msgstr "Usuń punkt kontrolny wychodzący"
 
 #: editor/plugins/path_editor_plugin.cpp
-#, fuzzy
 msgid "Remove In-Control Point"
-msgstr "Usuń punkt ścieżki"
+msgstr "Usuń punkt kontrolny wchodzący"
 
 #: editor/plugins/path_editor_plugin.cpp
 msgid "Split Segment (in curve)"
@@ -5481,7 +5469,6 @@ msgid ""
 msgstr "Właściwość skeleton węzła Polygon2D nie wskazuje na węzeł Skeleton2D"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Sync Bones"
 msgstr "Synchronizuj kości"
 
@@ -5538,9 +5525,8 @@ msgid "Transform Polygon"
 msgstr "Przekształć wielokąt"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Paint Bone Weights"
-msgstr "Maluj wagi kości"
+msgstr "Oznacz ciężar kości"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Open Polygon 2D UV editor."
@@ -5555,9 +5541,8 @@ msgid "UV"
 msgstr "UV"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Points"
-msgstr "Punkt"
+msgstr "Punkty"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Polygons"
@@ -5597,23 +5582,23 @@ msgstr "Skaluj WielokÄ…t"
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create a custom polygon. Enables custom polygon rendering."
-msgstr ""
+msgstr "Utwórz własny wielokąt. Włącza renderowanie własnego wielokąta."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid ""
 "Remove a custom polygon. If none remain, custom polygon rendering is "
 "disabled."
 msgstr ""
+"Usuń własny wielokąt. Jeśli nie został żaden, renderowanie własnych "
+"wielokątów jest wyłączone."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Paint weights with specified intensity."
-msgstr "Maluj wagi z podaną intensywnością."
+msgstr "Oznacz ciężar ze sprecyzowaną intensywnością."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Unpaint weights with specified intensity."
-msgstr "Odmaluj wagi z podaną intensywnością."
+msgstr "Odznacz ciężar ze sprecyzowaną intensywnością."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Radius:"
@@ -5759,17 +5744,14 @@ msgid "Error while saving theme."
 msgstr "BÅ‚Ä…d podczas zapisywania motywu."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error Saving"
 msgstr "BÅ‚Ä…d zapisywania"
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error importing theme."
 msgstr "BÅ‚Ä…d importowania motywu."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid "Error Importing"
 msgstr "BÅ‚Ä…d importowania"
 
@@ -5802,9 +5784,8 @@ msgid "Save Theme As..."
 msgstr "Zapisz motyw jako..."
 
 #: editor/plugins/script_editor_plugin.cpp
-#, fuzzy
 msgid " Class Reference"
-msgstr " Referencja klas"
+msgstr " - referencja klasy"
 
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Toggle alphabetical sorting of the method list."
@@ -5934,6 +5915,14 @@ msgid "Open Godot online documentation"
 msgstr "Otwórz dokumentację online"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Poszukaj w dokumentacji referencyjnej."
 
@@ -6129,14 +6118,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Ten szkielet nie ma kości. Stwórz jakieś węzły potomne Bone2D."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Utwórz pozę spoczynkową (z kości)"
+msgstr "Utwórz pozę spoczynkową z kości"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Utwórz pozę spoczynkową (z kości)"
+msgstr "Ustaw kościom pozę spoczynkową"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6291,9 +6278,8 @@ msgid "Rear"
 msgstr "Tył"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Wyrównaj z widokiem"
+msgstr "Dopasuj do widoku"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6328,9 +6314,8 @@ msgid "View Environment"
 msgstr "Wyświetlaj środowisko"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "View Gizmos"
-msgstr "Pokaż uchwyty"
+msgstr "Pokaż ikony węzłów"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Information"
@@ -6389,6 +6374,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Uwaga: Wyświetlana wartość FPS pochodzi z edytora.\n"
+"Nie może być używana jako miarodajny wskaźnik wydajności w grze."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6399,9 +6386,8 @@ msgid "XForm Dialog"
 msgstr "Okno dialogowe XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "PrzyciÄ…gaj do siatki"
+msgstr "Przyciągnij węzły do podłogi"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6591,7 +6577,6 @@ msgid "View Z-Far:"
 msgstr "Widok Z-Daleko:"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Transform Change"
 msgstr "Zmiana przekształcenia"
 
@@ -6608,7 +6593,6 @@ msgid "Scale (ratio):"
 msgstr "Skala (proporcja):"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Transform Type"
 msgstr "Typ przekształcenia"
 
@@ -6622,7 +6606,7 @@ msgstr "Po"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Nameless gizmo"
-msgstr ""
+msgstr "Uchwyt bez nazwy"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Sprite is empty!"
@@ -6694,14 +6678,12 @@ msgid "(empty)"
 msgstr "(pusty)"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animations:"
-msgstr "Animacje"
+msgstr "Animacje:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "New Animation"
-msgstr "Animacje"
+msgstr "Nowa animacja"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Speed (FPS):"
@@ -6712,9 +6694,8 @@ msgid "Loop"
 msgstr "Pętla"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animation Frames:"
-msgstr "Klatki animacji"
+msgstr "Klatki animacji:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Insert Empty (Before)"
@@ -6986,14 +6967,12 @@ msgid "Clear transform"
 msgstr "Wyczyść przekształcenie"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Add Texture(s) to TileSet."
-msgstr "Dodaj teksturÄ™/tekstury do TileSet."
+msgstr "Dodaj teksturÄ™/y do TileSetu."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove selected Texture from TileSet."
-msgstr "Usuń zaznaczoną teksturę z TileSet."
+msgstr "Usuń zaznaczoną Teksturę z TileSetu."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create from Scene"
@@ -7004,6 +6983,22 @@ msgid "Merge from Scene"
 msgstr "Połącz ze sceny"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Następny koordynat"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Wybierz następny kształt, podkafelek lub Kafelek."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Poprzedni koordynat"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Wybierz poprzedni kształt, podkafelek lub Kafelek."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Kopiuj maskÄ™ bitowÄ…."
 
@@ -7016,9 +7011,8 @@ msgid "Erase bitmask."
 msgstr "Wyczyść maskę bitową."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Utwórz nowe węzły."
+msgstr "Utwórz nowy prostokąt."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7026,22 +7020,20 @@ msgstr "Utwórz nowy wielokąt."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Keep polygon inside region Rect."
-msgstr ""
+msgstr "Trzymaj wielokÄ…t wewnÄ…trz regionu ProstokÄ…ta."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Enable snap and show grid (configurable via the Inspector)."
 msgstr "Włącz przyciąganie i pokaż siatkę (konfigurowalne w inspektorze)."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Display Tile Names (Hold Alt Key)"
 msgstr "Pokaż nazwy kafelków (przytrzymaj Alt)"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove selected texture? This will remove all tiles which use it."
-msgstr "Usunąć wybraną teksturę i WSZYSTKIE KAFELKI, które jej używają?"
+msgstr ""
+"Usunąć wybraną teksturę? To usunie wszystkie kafelki, które jej używają."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "You haven't selected a texture to remove."
@@ -7072,9 +7064,8 @@ msgstr ""
 "Kliknij na inny kafelek, by go edytować."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Delete selected Rect."
-msgstr "Usuń zaznaczony prostokąt."
+msgstr "Usuń zaznaczony Prostokąt."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7089,7 +7080,6 @@ msgid "Delete polygon."
 msgstr "Usuń wielokąt."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "LMB: Set bit on.\n"
 "RMB: Set bit off.\n"
@@ -7097,7 +7087,7 @@ msgid ""
 msgstr ""
 "LPM: WÅ‚Ä…cz bit.\n"
 "PPM: Wyłącz bit.\n"
-"Kliknij inny kafelek, by go edytować."
+"Kliknij inny Kafelek, by go edytować."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid ""
@@ -7118,94 +7108,88 @@ msgstr ""
 "Kliknij inny kafelek, by go edytować."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "Select sub-tile to change its z index.\n"
 "Click on another Tile to edit it."
 msgstr ""
-"Wybierz pod-kafelek, by zmienić jego priorytet.\n"
-"Kliknij inny kafelek, by go edytować."
+"Wybierz pod-kafelek, by zmienić jego indeks Z.\n"
+"Kliknij inny Kafelek, by go edytować."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Set Tile Region"
-msgstr "Ustaw obszar tekstury"
+msgstr "Ustaw obszar Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Tile"
-msgstr "Utwórz katalog"
+msgstr "Utwórz Kafelek"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Set Tile Icon"
-msgstr ""
+msgstr "Ustaw ikonÄ™ Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Tile Bitmask"
-msgstr "Edytuj filtry"
+msgstr "Edytuj maskÄ™ bitowÄ… Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Edit Collision Polygon"
 msgstr "Edytuj wielokÄ…t kolizji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Occlusion Polygon"
-msgstr "Edytuj wielokÄ…t"
+msgstr "Edytuj wielokÄ…t okluzji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Navigation Polygon"
-msgstr "Edytuj wielokÄ…t nawigacyjny"
+msgstr "Edytuj wielokÄ…t nawigacji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Paste Tile Bitmask"
-msgstr "Wklej animacjÄ™"
+msgstr "Wklej maskÄ™ bitowÄ… Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Clear Tile Bitmask"
-msgstr ""
+msgstr "Wyczyść maskę bitową Kafelka"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Zmień wielokąt na wklęsły"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Zmień wielokąt na wypukły"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Tile"
-msgstr "Usuń szablon"
+msgstr "Usuń Kafelek"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Collision Polygon"
-msgstr "Usuń wielokąt i punkt"
+msgstr "Usuń wielokąt kolizji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Occlusion Polygon"
-msgstr "Stwórz Occluder Polygon"
+msgstr "Usuń wielokąt okluzji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Remove Navigation Polygon"
-msgstr "Utwórz wielokąt nawigacyjny"
+msgstr "Utwórz wielokąt nawigacji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Tile Priority"
-msgstr "Edytuj filtry"
+msgstr "Edytuj priorytet Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Edit Tile Z Index"
-msgstr ""
+msgstr "Edytuj indeks Z Kafelka"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Collision Polygon"
-msgstr "Utwórz wielokąt nawigacyjny"
+msgstr "Utwórz wielokąt kolizji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Occlusion Polygon"
-msgstr "Stwórz Occluder Polygon"
+msgstr "Utwórz wielokąt okluzji"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "This property can't be changed."
@@ -7217,26 +7201,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Ustaw nazwÄ™ uniformu"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Ustaw jako domyślne dla '%s'"
+msgstr "Ustaw domyślny port wejścia"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "Shader wizualny"
+msgstr "Dodaj Węzeł do Wizualnego Shadera"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Duplikuj węzeł(y)"
+msgstr "Duplikuj węzły"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Typ wejścia shadera wizualnego zmieniony"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7255,14 +7236,12 @@ msgid "VisualShader"
 msgstr "Shader wizualny"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Edytuj filtry"
+msgstr "Edytuj Wizualną Właściwość"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Zmiany Shadera"
+msgstr "Zmiana Trybu Wizualnego Shadera"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7270,17 +7249,19 @@ msgstr "Uruchamiany"
 
 #: editor/project_export.cpp
 msgid "Delete patch '%s' from list?"
-msgstr "Usunąć ścieżkę '%s' z listy?"
+msgstr "Usunąć ścieżkę \"%s\" z listy?"
 
 #: editor/project_export.cpp
 msgid "Delete preset '%s'?"
-msgstr "Usunąć predefiniowane '%s'?"
+msgstr "Usunąć profil \"%s\"?"
 
 #: editor/project_export.cpp
 msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Nie udało się wyeksportować projektu dla platformy \"%s\".\n"
+"Brak szablonów eksportu lub są nieprawidłowe."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7288,6 +7269,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Nie udało się wyeksportować projektu dla platformy \"%s\".\n"
+"Może to być przez problem z konfiguracją w profilu eksportu lub twoich "
+"ustawieniach eksportu."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7298,6 +7282,10 @@ msgid "Exporting All"
 msgstr "Eksportowanie wszystkiego"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Podana ścieżka eksportu nie istnieje:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Brakuje szablonów eksportu dla tej platformy lub są uszkodzone:"
 
@@ -7393,7 +7381,7 @@ msgstr "Zaszyfrowany (podaj klucz poniżej)"
 
 #: editor/project_export.cpp
 msgid "Invalid Encryption Key (must be 64 characters long)"
-msgstr ""
+msgstr "Nieprawidłowy klucz szyfrowania (długość musi wynosić 64 znaki)"
 
 #: editor/project_export.cpp
 msgid "Script Encryption Key (256-bits as hex):"
@@ -7534,15 +7522,15 @@ msgstr "Ścieżka instalacji projektu:"
 
 #: editor/project_manager.cpp
 msgid "Browse"
-msgstr "Szukaj"
+msgstr "PrzeglÄ…daj"
 
 #: editor/project_manager.cpp
 msgid "Renderer:"
-msgstr ""
+msgstr "Renderer:"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 3.0"
-msgstr ""
+msgstr "OpenGL ES 3.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7551,10 +7539,14 @@ msgid ""
 "Incompatible with older hardware\n"
 "Not recommended for web games"
 msgstr ""
+"Wyższa jakość wizualna\n"
+"Wszystkie funkcjonalności dostępne\n"
+"Niekompatybilne ze starszym sprzętem\n"
+"Niezalecane dla gier przeglÄ…darkowych"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 2.0"
-msgstr ""
+msgstr "OpenGL ES 2.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7563,17 +7555,22 @@ msgid ""
 "Works on most hardware\n"
 "Recommended for web games"
 msgstr ""
+"Mniejsza jakość wizualna\n"
+"Niektóre funkcjonalności niedostępne\n"
+"Działa na większości sprzętu\n"
+"Rekomendowane dla gier przeglÄ…darkowych"
 
 #: editor/project_manager.cpp
 msgid "Renderer can be changed later, but scenes may need to be adjusted."
 msgstr ""
+"Renderer może zostać później zmieniony, ale sceny mogą potrzebować "
+"dostosowania."
 
 #: editor/project_manager.cpp
 msgid "Unnamed Project"
 msgstr "Projekt bez nazwy"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid "Can't open project at '%s'."
 msgstr "Nie można otworzyć projektu w '%s'."
 
@@ -7593,6 +7590,15 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Podany plik ustawień projektu nie zawiera informacji o wersji Godota, w "
+"której został stworzony.\n"
+"\n"
+"%s\n"
+"\n"
+"Jeśli mimo to go otworzysz, zostanie przekonwertowany do aktualnego formatu "
+"pliku konfiguracji Godota.\n"
+"Ostrzeżenie: Nie będziesz w stanie więcej otworzyć tego projektu z "
+"wcześniejszymi wersjami silnika."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7605,6 +7611,14 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
+"Podany plik ustawień projektu został stworzony przez starszą wersję silnika "
+"i musi zostać przekonwertowany do aktualnej wersji.\n"
+"\n"
+"%s\n"
+"\n"
+"Chcesz go przekonwertować?\n"
+"Ostrzeżenie: Nie będziesz w stanie więcej otworzyć tego projektu z "
+"wcześniejszymi wersjami silnika."
 
 #: editor/project_manager.cpp
 msgid ""
@@ -8029,11 +8043,11 @@ msgstr "Autoładowanie"
 
 #: editor/property_editor.cpp
 msgid "Ease In"
-msgstr ""
+msgstr "�agodne wejście"
 
 #: editor/property_editor.cpp
 msgid "Ease Out"
-msgstr ""
+msgstr "�agodne wyjście"
 
 #: editor/property_editor.cpp
 msgid "Zero"
@@ -8041,11 +8055,11 @@ msgstr "Zero"
 
 #: editor/property_editor.cpp
 msgid "Easing In-Out"
-msgstr ""
+msgstr "�agodne wejście-wyjście"
 
 #: editor/property_editor.cpp
 msgid "Easing Out-In"
-msgstr ""
+msgstr "�agodne wyjście-wejście"
 
 #: editor/property_editor.cpp
 msgid "File..."
@@ -8141,10 +8155,12 @@ msgid ""
 "Sequential integer counter.\n"
 "Compare counter options."
 msgstr ""
+"Sekwencyjny licznik całkowity.\n"
+"Porównaj opcje licznika."
 
 #: editor/rename_dialog.cpp
 msgid "Per Level counter"
-msgstr ""
+msgstr "Poziomowy licznik"
 
 #: editor/rename_dialog.cpp
 msgid "If set the counter restarts for each group of child nodes"
@@ -8179,9 +8195,8 @@ msgid "Regular Expressions"
 msgstr "Wyrażenia regularne"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Post-Process"
-msgstr "Post-Process"
+msgstr "Przetwarzanie końcowe"
 
 #: editor/rename_dialog.cpp
 msgid "Keep"
@@ -8297,19 +8312,20 @@ msgstr "Duplikuj węzeł(y)"
 #: editor/scene_tree_dock.cpp
 msgid "Can't reparent nodes in inherited scenes, order of nodes can't change."
 msgstr ""
+"Nie można zmieniać węzłów nadrzędnych w scenie dziedziczonej. Kolejność "
+"węzłów nie może się zmienić."
 
 #: editor/scene_tree_dock.cpp
 msgid "Node must belong to the edited scene to become root."
-msgstr ""
+msgstr "Węzeł musi należeć do edytowanej sceny, by stać się korzeniem."
 
 #: editor/scene_tree_dock.cpp
 msgid "Instantiated scenes can't become root"
-msgstr ""
+msgstr "Instancje scen nie mogą zostać korzeniem"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Zmień na korzeń sceny"
+msgstr "Zmień węzeł na Korzeń"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8345,12 +8361,11 @@ msgstr "Wczytaj jako zastępczy"
 
 #: editor/scene_tree_dock.cpp
 msgid "Make Local"
-msgstr "Zrób lokalne"
+msgstr "Uczyń lokalnym"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Zmień na korzeń sceny"
+msgstr "Nowy korzeń sceny"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8781,19 +8796,16 @@ msgid "Set From Tree"
 msgstr "Ustaw z drzewa"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "�agodne wyjście"
+msgstr "Usuń skrót"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Skróty"
+msgstr "Przywróć skrót"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Zmień zakotwiczenie"
+msgstr "Zmień skrót"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8928,7 +8940,6 @@ msgid "GDNative"
 msgstr "GDNative"
 
 #: modules/gdscript/gdscript_functions.cpp
-#, fuzzy
 msgid "Step argument is zero!"
 msgstr "Argument kroku wynosi zero!"
 
@@ -9002,9 +9013,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "GridMap duplikuj zaznaczenie"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Ustawienia GridMap"
+msgstr "Malowanie GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9015,17 +9025,14 @@ msgid "Snap View"
 msgstr "PrzyciÄ…ganie widoku"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Disabled"
-msgstr "Wyłączone przycinanie"
+msgstr "Wyłącz przycinanie"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Above"
 msgstr "Przytnij powyżej"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "Clip Below"
 msgstr "Przytnij poniżej"
 
@@ -9139,7 +9146,7 @@ msgstr "Utwórz solucję C#"
 
 #: modules/mono/editor/mono_bottom_panel.cpp
 msgid "Builds"
-msgstr ""
+msgstr "Wydania"
 
 #: modules/mono/editor/mono_bottom_panel.cpp
 msgid "Build Project"
@@ -9151,12 +9158,11 @@ msgstr "Pokaż logi"
 
 #: modules/mono/mono_gd/gd_mono_utils.cpp
 msgid "End of inner exception stack trace"
-msgstr ""
+msgstr "Koniec śladu stosu wewnętrznego wyjątku"
 
 #: modules/recast/navigation_mesh_editor_plugin.cpp
-#, fuzzy
 msgid "Bake NavMesh"
-msgstr "Wypiecz NavMesh"
+msgstr "Przygotuj NavMesh"
 
 #: modules/recast/navigation_mesh_editor_plugin.cpp
 msgid "Clear the navigation mesh."
@@ -9184,7 +9190,7 @@ msgstr "Konstruowanie zwartego pola wysokości..."
 
 #: modules/recast/navigation_mesh_generator.cpp
 msgid "Eroding walkable area..."
-msgstr ""
+msgstr "Erodowanie osiÄ…galnego obszaru..."
 
 #: modules/recast/navigation_mesh_generator.cpp
 msgid "Partitioning..."
@@ -9219,12 +9225,16 @@ msgid ""
 "A node yielded without working memory, please read the docs on how to yield "
 "properly!"
 msgstr ""
+"Węzeł został zawieszony bez pamięci roboczej, przeczytaj w dokumentacji jak "
+"właściwie zawieszać działanie węzłów!"
 
 #: modules/visual_script/visual_script.cpp
 msgid ""
 "Node yielded, but did not return a function state in the first working "
 "memory."
 msgstr ""
+"Węzeł został zawieszony, ale nie zwrócił stanu funkcji w pierwszej pamięci "
+"roboczej."
 
 #: modules/visual_script/visual_script.cpp
 msgid ""
@@ -9240,7 +9250,7 @@ msgstr "Węzeł zwrócił niewłaściwą sekwencję wyjściową: "
 
 #: modules/visual_script/visual_script.cpp
 msgid "Found sequence bit but not the node in the stack, report bug!"
-msgstr ""
+msgstr "Znaleziono bit sekwencji, ale nie węzeł na stosie, zgłoś błąd!"
 
 #: modules/visual_script/visual_script.cpp
 msgid "Stack overflow with stack depth: "
@@ -9317,14 +9327,18 @@ msgstr "Duplikuj węzły VisualScript"
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold %s to drop a Getter. Hold Shift to drop a generic signature."
 msgstr ""
+"Przytrzymaj %s, by upuścić pobieracz (Getter). Przytrzymaj Shift, by upuścić "
+"generycznÄ… sygnaturÄ™."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold Ctrl to drop a Getter. Hold Shift to drop a generic signature."
 msgstr ""
+"Przytrzymaj Ctrl, by upuścić pobieracz (Getter). Przytrzymaj Shift, by "
+"upuścić generyczną sygnaturę."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold %s to drop a simple reference to the node."
-msgstr ""
+msgstr "Przytrzymaj %s, by upuścić prostą referencję do węzła."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold Ctrl to drop a simple reference to the node."
@@ -9332,16 +9346,15 @@ msgstr "Przytrzymaj Ctrl, by upuścić prostą referencję do węzła."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold %s to drop a Variable Setter."
-msgstr ""
+msgstr "Przytrzymaj %s, by upuścić ustawiacz (Setter) zmiennej."
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Hold Ctrl to drop a Variable Setter."
-msgstr ""
+msgstr "Przytrzymaj Ctrl, by upuścić ustawiacz (Setter) zmiennej."
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Add Preload Node"
-msgstr "Dodaj dziecko węzła"
+msgstr "Dodaj wstępnie wczytany węzeł"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Add Node(s) From Tree"
@@ -9372,14 +9385,12 @@ msgid "Connect Nodes"
 msgstr "Podłącz węzły"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Connect Node Data"
-msgstr "Podłącz węzły"
+msgstr "Połącz dane węzła"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Connect Node Sequence"
-msgstr "Podłącz węzły"
+msgstr "Połącz sekwencję węzłów"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Script already has function '%s'"
@@ -9390,9 +9401,8 @@ msgid "Change Input Value"
 msgstr "Zmień wartość wejściową"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Zmień rozmiar CanvasItem"
+msgstr "Zmień rozmiar komentarza"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9545,87 +9555,86 @@ msgstr "Ustaw %s"
 
 #: platform/android/export/export.cpp
 msgid "Package name is missing."
-msgstr ""
+msgstr "Brakuje nazwy paczki."
 
 #: platform/android/export/export.cpp
 msgid "Package segments must be of non-zero length."
-msgstr ""
+msgstr "Segmenty paczki muszą mieć niezerową długość."
 
 #: platform/android/export/export.cpp
 msgid "The character '%s' is not allowed in Android application package names."
-msgstr ""
+msgstr "Znak '%s' nie jest dozwolony w nazwach paczek aplikacji Androida."
 
 #: platform/android/export/export.cpp
 msgid "A digit cannot be the first character in a package segment."
-msgstr ""
+msgstr "Cyfra nie może być pierwszym znakiem w segmencie paczki."
 
 #: platform/android/export/export.cpp
 msgid "The character '%s' cannot be the first character in a package segment."
-msgstr ""
+msgstr "Znak '%s' nie może być pierwszym znakiem w segmencie paczki."
 
 #: platform/android/export/export.cpp
 msgid "The package must have at least one '.' separator."
-msgstr ""
+msgstr "Paczka musi mieć co najmniej jedną kropkę jako separator."
 
 #: platform/android/export/export.cpp
 msgid "ADB executable not configured in the Editor Settings."
-msgstr ""
+msgstr "Plik wykonywalny ADB nie skonfigurowany w Ustawieniach Edytora."
 
 #: platform/android/export/export.cpp
 msgid "OpenJDK jarsigner not configured in the Editor Settings."
-msgstr ""
+msgstr "Jarsigner OpenJDK nie skonfigurowany w Ustawieniach Edytora."
 
 #: platform/android/export/export.cpp
 msgid "Debug keystore not configured in the Editor Settings nor in the preset."
 msgstr ""
+"Debugowy keystore nieskonfigurowany w Ustawieniach Edytora ani w profilu "
+"eksportu."
 
 #: platform/android/export/export.cpp
 msgid "Invalid public key for APK expansion."
-msgstr ""
+msgstr "Niepoprawny klucz publiczny dla ekspansji APK."
 
 #: platform/android/export/export.cpp
-#, fuzzy
 msgid "Invalid package name:"
-msgstr "Niepoprawna nazwa klasy"
+msgstr "Niepoprawna nazwa paczki:"
 
 #: platform/iphone/export/export.cpp
 msgid "Identifier is missing."
-msgstr ""
+msgstr "Brakuje identyfikatora."
 
 #: platform/iphone/export/export.cpp
 msgid "Identifier segments must be of non-zero length."
-msgstr ""
+msgstr "Segmenty identyfikatora muszą mieć niezerową długość."
 
 #: platform/iphone/export/export.cpp
-#, fuzzy
 msgid "The character '%s' is not allowed in Identifier."
-msgstr "Nazwa nie jest prawidłowym identyfikatorem:"
+msgstr "Znak '%s' nie jest dozwolony w identyfikatorze."
 
 #: platform/iphone/export/export.cpp
 msgid "A digit cannot be the first character in a Identifier segment."
-msgstr ""
+msgstr "Cyfra nie może być pierwszym znakiem w segmencie identyfikatora."
 
 #: platform/iphone/export/export.cpp
 msgid ""
 "The character '%s' cannot be the first character in a Identifier segment."
-msgstr ""
+msgstr "Znak '%s' nie może być pierwszym znakiem w segmencie identyfikatora."
 
 #: platform/iphone/export/export.cpp
 msgid "The Identifier must have at least one '.' separator."
-msgstr ""
+msgstr "Identyfikator musi mieć co najmniej jedną kropkę jako separator."
 
 #: platform/iphone/export/export.cpp
 msgid "App Store Team ID not specified - cannot configure the project."
-msgstr ""
+msgstr "App Store Team ID nie podany - nie można skonfigurować projektu."
 
 #: platform/iphone/export/export.cpp
-#, fuzzy
 msgid "Invalid Identifier:"
-msgstr "Nazwa nie jest prawidłowym identyfikatorem:"
+msgstr "Niepoprawny identyfikator:"
 
 #: platform/iphone/export/export.cpp
 msgid "Required icon is not specified in the preset."
-msgstr ""
+msgstr "Wymagana ikona nie jest podana w profilu eksportu."
 
 #: platform/javascript/export/export.cpp
 msgid "Run in Browser"
@@ -9656,64 +9665,55 @@ msgid "Could not read boot splash image file:"
 msgstr "Nie można odczytać pliku obrazu splash:"
 
 #: platform/javascript/export/export.cpp
-#, fuzzy
 msgid "Using default boot splash image."
-msgstr "Domyślny obrazek splash"
+msgstr "Używam domyślnego obrazka powitalnego."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid package unique name."
-msgstr "Niewłaściwa nazwa."
+msgstr "Niewłaściwa unikalna nazwa paczki."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid product GUID."
-msgstr "Niepoprawny rozmiar fonta."
+msgstr "Nieprawidłowy GUID produktu."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid publisher GUID."
-msgstr "Niepoprawna ścieżka bazowa"
+msgstr "Niepoprawny GUID wydawcy."
 
 #: platform/uwp/export/export.cpp
 msgid "Invalid background color."
 msgstr "Kolor tła nieprawidłowy."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid Store Logo image dimensions (should be 50x50)."
-msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+msgstr "Nieprawidłowe wymiary sklepowego obrazka logo (powinno być 50x50)."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid square 44x44 logo image dimensions (should be 44x44)."
 msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+"Nieprawidłowe wymiary obrazka kwadratowego logo 44x44 (powinno być 44x44)."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid square 71x71 logo image dimensions (should be 71x71)."
 msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+"Nieprawidłowe wymiary obrazka kwadratowego logo 71x71 (powinno być 71x71)."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid square 150x150 logo image dimensions (should be 150x150)."
 msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+"Nieprawidłowe wymiary obrazka kwadratowego logo 150x150 (powinno być "
+"150x150)."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid square 310x310 logo image dimensions (should be 310x310)."
 msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+"Nieprawidłowe wymiary obrazka kwadratowego logo 310x310 (powinno być "
+"310x310)."
 
 #: platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Invalid wide 310x150 logo image dimensions (should be 310x150)."
 msgstr ""
-"Nieprawidłowe wymiary obrazka ekranu powitalnego (powinno być 620x300)."
+"Nieprawidłowe wymiary obrazka szerokiego logo 310x150 (powinno być 310x150)."
 
 #: platform/uwp/export/export.cpp
 msgid "Invalid splash screen image dimensions (should be 620x300)."
@@ -9835,6 +9835,9 @@ msgid ""
 "Use the CPUParticles2D node instead. You can use the \"Convert to "
 "CPUParticles\" option for this purpose."
 msgstr ""
+"Cząsteczki oparte o GPU są nieobsługiwane przez sterownik wideo GLES2.\n"
+"Użyj zamiast tego węzła CPUParticles2D. Możesz użyć do tego celu opcji "
+"\"Konwertuj na CPUParticles\"."
 
 #: scene/2d/particles_2d.cpp scene/3d/particles.cpp
 msgid ""
@@ -9857,13 +9860,12 @@ msgid "PathFollow2D only works when set as a child of a Path2D node."
 msgstr "PathFollow2D zadziała tylko wtedy, gdy będzie dzieckiem węzeł Path2D."
 
 #: scene/2d/physics_body_2d.cpp
-#, fuzzy
 msgid ""
 "Size changes to RigidBody2D (in character or rigid modes) will be overridden "
 "by the physics engine when running.\n"
 "Change the size in children collision shapes instead."
 msgstr ""
-"Zmiany rozmiaru w RigidBody2D (w trybach character i rigid) zostanÄ… "
+"Zmiany rozmiaru w RigidBody2D (w trybach character lub rigid) zostanÄ… "
 "nadpisane przez silnik fizyki podczas działania.\n"
 "Zamiast tego, zmień rozmiary kształtów kolizji w węzłach podrzędnych."
 
@@ -9938,18 +9940,17 @@ msgstr "(Pozostały czas: %d:%02d s)"
 
 #: scene/3d/baked_lightmap.cpp
 msgid "Plotting Meshes: "
-msgstr ""
+msgstr "Kreślenie siatek: "
 
 #: scene/3d/baked_lightmap.cpp
 msgid "Plotting Lights:"
-msgstr ""
+msgstr "Kreślenie świateł:"
 
 #: scene/3d/baked_lightmap.cpp scene/3d/gi_probe.cpp
 msgid "Finishing Plot"
-msgstr ""
+msgstr "Kończenie kreślenia"
 
 #: scene/3d/baked_lightmap.cpp
-#, fuzzy
 msgid "Lighting Meshes: "
 msgstr "Oświetlanie siatek: "
 
@@ -9996,10 +9997,17 @@ msgstr ""
 "Kształt musi być określony dla CollisionShape, aby spełniał swoje zadanie. "
 "Utwórz zasób typu CollisionShape w odpowiednim polu obiektu!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Kształty płaszczyzny nie działają dobrze i zostaną usunięte w przyszłych "
+"wersjach. Nie używaj ich."
+
 #: scene/3d/cpu_particles.cpp
-#, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
-msgstr "Nic nie jest widoczne, bo nie została przypisana żadna siatka."
+msgstr "Nie została przypisana żadna siatka, więc nic się nie pojawi."
 
 #: scene/3d/cpu_particles.cpp
 msgid ""
@@ -10011,7 +10019,15 @@ msgstr ""
 
 #: scene/3d/gi_probe.cpp
 msgid "Plotting Meshes"
+msgstr "Kreślenie siatek"
+
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
 msgstr ""
+"GIProbes nie są obsługiwane przez sterownik wideo GLES2.\n"
+"Zamiast tego użyj BakedLightmap."
 
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
@@ -10033,6 +10049,9 @@ msgid ""
 "Use the CPUParticles node instead. You can use the \"Convert to CPUParticles"
 "\" option for this purpose."
 msgstr ""
+"Cząsteczki oparte o GPU są nieobsługiwane przez sterownik wideo GLES2.\n"
+"Użyj zamiast tego węzła CPUParticles. Możesz użyć do tego celu opcji "
+"\"Konwertuj na CPUParticles\"."
 
 #: scene/3d/particles.cpp
 msgid ""
@@ -10053,22 +10072,21 @@ msgid "PathFollow only works when set as a child of a Path node."
 msgstr "PathFollow działa tylko, gdy jest węzłem podrzędnym Path."
 
 #: scene/3d/path.cpp
-#, fuzzy
 msgid ""
 "PathFollow ROTATION_ORIENTED requires \"Up Vector\" enabled in its parent "
 "Path's Curve resource."
 msgstr ""
-"OrientedPathFollow wymaga włączonych wektorów w górę w jego nadrzędnym Path."
+"PathFollow ROTATION_ORIENTED wymaga włączonego \"Wektora w górę\" w zasobie "
+"Curve jego nadrzędnego węzła Path."
 
 #: scene/3d/physics_body.cpp
-#, fuzzy
 msgid ""
 "Size changes to RigidBody (in character or rigid modes) will be overridden "
 "by the physics engine when running.\n"
 "Change the size in children collision shapes instead."
 msgstr ""
-"Zmiany rozmiaru w RigidBody (w trybach character i rigid) zostanÄ… nadpisane "
-"przez silnik fizyki podczas działania.\n"
+"Zmiany rozmiaru w RigidBody (w trybach character lub rigid) zostanÄ… "
+"nadpisane przez silnik fizyki podczas działania.\n"
 "Zamiast tego, zmień rozmiary kształtów kolizji w węzłach podrzędnych."
 
 #: scene/3d/remote_transform.cpp
@@ -10168,7 +10186,7 @@ msgstr "Ten węzeł jest przestarzały. Zamiast tego użyj AnimationTree."
 
 #: scene/gui/color_picker.cpp
 msgid "Pick a color from the screen."
-msgstr ""
+msgstr "Pobierz kolor z ekranu."
 
 #: scene/gui/color_picker.cpp
 msgid "Raw Mode"
@@ -10176,12 +10194,23 @@ msgstr "Trybie RAW"
 
 #: scene/gui/color_picker.cpp
 msgid "Switch between hexadecimal and code values."
-msgstr ""
+msgstr "Przełącz między szesnastkowymi i kodowymi wartościami."
 
 #: scene/gui/color_picker.cpp
-#, fuzzy
 msgid "Add current color as a preset."
-msgstr "Dodaj bieżący kolor jako domyślne"
+msgstr "Dodaj bieżący kolor do zapisanych."
+
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Kontener sam w sobie nie spełnia żadnego celu, chyba że jakiś skrypt "
+"konfiguruje sposób ustawiania jego podrzędnych węzłów.\n"
+"Jeśli nie zamierzasz dodać skryptu, zamiast tego użyj zwykłego węzła "
+"\"Control\"."
 
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
@@ -10191,6 +10220,10 @@ msgstr "Alarm!"
 msgid "Please Confirm..."
 msgstr "Proszę potwierdzić..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Przejdź folder wyżej."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10203,7 +10236,7 @@ msgstr ""
 
 #: scene/gui/range.cpp
 msgid "If exp_edit is true min_value must be > 0."
-msgstr ""
+msgstr "Jeśli exp_edit jest prawdziwe, min_value musi być > 0."
 
 #: scene/gui/scroll_container.cpp
 msgid ""
@@ -10276,6 +10309,9 @@ msgstr "Przypisanie do uniformu."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Varying może być przypisane tylko w funkcji wierzchołków."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Utwórz instancję wybranej sceny/scen jako dziecko wybranego węzła."
+
 #~ msgid "FPS"
 #~ msgstr "Klatki na sekundÄ™"
 
diff --git a/editor/translations/pr.po b/editor/translations/pr.po
index a48c2fac95..dea945f474 100644
--- a/editor/translations/pr.po
+++ b/editor/translations/pr.po
@@ -1370,8 +1370,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1423,7 +1437,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1498,10 +1512,32 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Slit th' Node"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Slit th' Node"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1725,8 +1761,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1735,6 +1771,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2987,14 +3033,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3136,10 +3174,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5112,19 +5146,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5215,11 +5249,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5817,6 +5851,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6893,6 +6935,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7048,6 +7106,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Discharge ye' Variable"
@@ -7175,6 +7241,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9792,6 +9862,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9806,6 +9882,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9950,6 +10032,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9958,6 +10048,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/pt_BR.po b/editor/translations/pt_BR.po
index 9e9ead344e..f546b8928f 100644
--- a/editor/translations/pt_BR.po
+++ b/editor/translations/pt_BR.po
@@ -53,12 +53,14 @@
 # Thiago Amendola <amendolathiago@gmail.com>, 2019.
 # Raphael Nogueira Campos <raphaelncampos@gmail.com>, 2019.
 # Dimenicius <vinicius.costa.92@gmail.com>, 2019.
+# Davi <wokep.ma.wavid@gmail.com>, 2019.
+# Endrick Gustavo <endrickgb@hotmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: 2016-05-30\n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
-"Last-Translator: Julio Yagami <juliohenrique31501234@hotmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: Endrick Gustavo <endrickgb@hotmail.com>\n"
 "Language-Team: Portuguese (Brazil) <https://hosted.weblate.org/projects/"
 "godot-engine/godot/pt_BR/>\n"
 "Language: pt_BR\n"
@@ -66,7 +68,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -133,14 +135,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Excluir Chave(s) Selecionada(s)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Adicionar ponto"
+msgstr "Adicionar um Ponto Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Mover pontos"
+msgstr "Mover pontos Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -171,9 +171,8 @@ msgid "Anim Change Call"
 msgstr "Alterar Chamada da Anim"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Alterar Repetição da Animação"
+msgstr "Alterar Duração da Animação"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -230,9 +229,8 @@ msgid "Anim Clips:"
 msgstr "Clipes de Animação:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Alterar Valor do Vetor"
+msgstr "Alterar Valor do Trajeto"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -314,19 +312,16 @@ msgid "Delete Key(s)"
 msgstr "Deletar Chave(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Alterar Nome da Animação:"
+msgstr "Alterar Modo de Atualização da Animação:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Modo de Interpolação"
+msgstr "Alterar Modo de Interpolação da Animação"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Alterar Repetição da Animação"
+msgstr "Alterar Modo Repetição da Animação"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -1424,8 +1419,24 @@ msgstr "Empacotando"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"A plataforma alvo requer compressão de texturas 'ETC' para GLES2. Habilite "
+"'Import Etc' nas Configurações de Projeto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1473,7 +1484,7 @@ msgstr "Mostrar no Gerenciador de Arquivos"
 msgid "New Folder..."
 msgstr "Nova Pasta..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Atualizar"
 
@@ -1548,10 +1559,33 @@ msgstr "Mover Favorito Acima"
 msgid "Move Favorite Down"
 msgstr "Mover Favorito Abaixo"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Chão Anterior"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Próximo Chão"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ir para pasta pai"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Não foi possível criar a pasta."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Visualizar itens como uma grade de miniaturas."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Visualizar itens como uma lista."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Diretórios & Arquivos:"
@@ -1774,9 +1808,10 @@ msgstr "Limpar Saída"
 msgid "Project export failed with error code %d."
 msgstr "Falha na exportação do projeto com código de erro %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Erro ao salvar Recurso!"
+#: editor/editor_node.cpp
+#, fuzzy
+msgid "Imported resources can't be saved."
+msgstr "Recursos Importados"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1784,6 +1819,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Erro ao salvar Recurso!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"O recurso não pode ser salvo porque não pertence à cena editada. Faça-o "
+"único primeiro."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Salvar Recurso como..."
 
@@ -2004,14 +2051,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Salvar alterações em '%s' antes de fechar?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Falha ao carregar recurso."
+msgstr "Foram salvos %s recurso(s) modificado(s)."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Apenas um arquivo é requerido para textura grande."
+msgstr "Um nó raiz é requerido para salvar a cena."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -3104,14 +3149,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "Impossível navegar até '%s' pois não existe no sistema de arquivos!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Visualizar itens como uma grade de miniaturas."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Visualizar itens como uma lista."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Estado: Falha na importação do arquivo. Por favor, conserte o arquivo e "
@@ -3249,10 +3286,6 @@ msgid "Search files"
 msgstr "Pesquisar arquivos"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instanciar a(s) cena(s) selecionada como filho do nó selecionado."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3659,9 +3692,8 @@ msgid "Move Node Point"
 msgstr "Mover pontos"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Alterar Tempo de Mistura"
+msgstr "Alterar limites do BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #, fuzzy
@@ -3795,9 +3827,8 @@ msgid "Blend:"
 msgstr "Misturar:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Alterações de Material"
+msgstr "Parâmetro Modificado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3815,9 +3846,8 @@ msgstr "Adicionar Nó(s) a Partir da �rvore"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Modo Mover"
+msgstr "Nó Movido"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3827,15 +3857,13 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Conectado"
+msgstr "Nós Conectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Desconectado"
+msgstr "Nós Desconectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -3844,9 +3872,8 @@ msgstr "Nova animação"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Excluir Nó(s)"
+msgstr "Excluir Nó"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #, fuzzy
@@ -4162,13 +4189,12 @@ msgid "Node Removed"
 msgstr "Removido:"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Nó Transition"
+msgstr "Transição Removida"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Configurar Nó de Início (Autoplay)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4993,7 +5019,7 @@ msgstr "Cozinhar Sonda GI"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradiente Editado"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5253,6 +5279,10 @@ msgid "Generating Visibility Rect"
 msgstr "Gerar Retângulo de Visibilidade"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Gerar Retângulo de Visibilidade"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Só é permitido colocar um ponto em um material processador ParticlesMaterial"
@@ -5266,10 +5296,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Nenhum pixel com transparência > 128  na imagem."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Gerar Retângulo de Visibilidade"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Carregar Máscara de Emissão"
 
@@ -5357,13 +5383,13 @@ msgid "Generating AABB"
 msgstr "Gerando AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Gerar AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Gerar AABB de Visibilidade"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Gerar AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Remover Ponto da Curva"
@@ -5950,6 +5976,14 @@ msgid "Open Godot online documentation"
 msgstr "Abrir a documentação online da Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Pesquise a documentação de referência."
 
@@ -6404,6 +6438,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Nota: O valor de FPS mostrado é da taxa de quadros do editor\n"
+"Ele não deve ser usado como indicação confiável de desempenho do jogo."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -7012,6 +7048,23 @@ msgid "Merge from Scene"
 msgstr "Fundir a partir de Cena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Próximo Chão"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordenada Anterior"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Copie o bitmask."
 
@@ -7024,9 +7077,8 @@ msgid "Erase bitmask."
 msgstr "Apagar o bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Criar novos nós."
+msgstr "Criar um novo retângulo."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7165,6 +7217,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Limpar o Bitmask da telha"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Tornar o Polígono Côncavo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Tornar o Polígono Convexo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Remover Telha"
 
@@ -7272,11 +7332,15 @@ msgid ""
 msgstr ""
 
 #: editor/project_export.cpp
+#, fuzzy
 msgid ""
 "Failed to export the project for platform '%s'.\n"
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Falha ao exportar o projeto para a plataforma '%s'.\n"
+"Isto pode ser devido a um problema de configuração nas pré-configurações de "
+"exportação ou nas configurações de exportação."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7287,6 +7351,10 @@ msgid "Exporting All"
 msgstr "Exportando tudo"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "O caminho de exportação informado não existe."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "Modelos de exportação para esta plataforma não foram encontrados/estão "
@@ -8327,9 +8395,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Cenas instanciadas não podem se tornar raiz"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Fazer Raiz de Cena"
+msgstr "Tornar Raiz o Nó"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8368,9 +8435,8 @@ msgid "Make Local"
 msgstr "Tornar Local"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Fazer Raiz de Cena"
+msgstr "Nova Raiz de Cena"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8801,19 +8867,16 @@ msgid "Set From Tree"
 msgstr "Definir a partir da árvore"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Suavizar final"
+msgstr "Apagar Atalho"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Atalhos"
+msgstr "Restaurar Atalho"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Alterar Âncoras"
+msgstr "Modificar Atalho"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -9410,9 +9473,8 @@ msgid "Change Input Value"
 msgstr "Alterar Valor da Entrada"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Redimensionar o CanvasItem"
+msgstr "Redimensionar Comentário"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -10009,6 +10071,14 @@ msgstr ""
 "Uma forma deve ser fornecida para que o nó CollisionShape funcione. Por "
 "favor, crie um recurso de forma a ele!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Formas planas não funcionam bem e serão removidas em versões futuras. Por "
+"favor não as use."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Nada é visível porque nenhuma malha foi atribuída."
@@ -10025,6 +10095,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Planejando Malhas"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10197,6 +10273,14 @@ msgstr "Alterne entre valores haxadecimais e de código."
 msgid "Add current color as a preset."
 msgstr "Adicionar cor atual como uma predefinição."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Alerta!"
@@ -10205,6 +10289,10 @@ msgstr "Alerta!"
 msgid "Please Confirm..."
 msgstr "Confirme Por Favor..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Ir para diretório pai"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10289,6 +10377,9 @@ msgstr "Atribuição à uniforme."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Variáveis só podem ser atribuídas na função de vértice."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Instanciar a(s) cena(s) selecionada como filho do nó selecionado."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
@@ -11809,9 +11900,6 @@ msgstr "Variáveis só podem ser atribuídas na função de vértice."
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "Não é possível ir ao subdiretório:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Recursos Importados"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "Inserir Chaves (Ins)"
 
diff --git a/editor/translations/pt_PT.po b/editor/translations/pt_PT.po
index 4a80776647..2eabc658ba 100644
--- a/editor/translations/pt_PT.po
+++ b/editor/translations/pt_PT.po
@@ -18,7 +18,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-01 12:09+0000\n"
+"PO-Revision-Date: 2019-03-19 15:04+0000\n"
 "Last-Translator: João Lopes <linux-man@hotmail.com>\n"
 "Language-Team: Portuguese (Portugal) <https://hosted.weblate.org/projects/"
 "godot-engine/godot/pt_PT/>\n"
@@ -27,7 +27,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -95,14 +95,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Apagar Chave(s) Selecionada(s)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Adicionar Ponto"
+msgstr "Adicionar Ponto Bezier"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Mover Ponto"
+msgstr "Mover Ponto Bezier"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -133,9 +131,8 @@ msgid "Anim Change Call"
 msgstr "Anim Mudar Chamada"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Mudar Ciclo da Animação"
+msgstr "Mudar Duração da Animação"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -192,9 +189,8 @@ msgid "Anim Clips:"
 msgstr "Clips Anim:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Mudar valor do Array"
+msgstr "Mudar Caminho da Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -221,9 +217,8 @@ msgid "Time (s): "
 msgstr "Tempo (s): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Doppler Ativo"
+msgstr "Alternar Pista Ativada"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -276,19 +271,16 @@ msgid "Delete Key(s)"
 msgstr "Apagar Chave(s)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Mudar o Nome da Animação:"
+msgstr "Mudar o Modo de Atualização da Animação"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Modo de Interpolação"
+msgstr "Mudar o Modo de Interpolação da Animação"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Mudar Ciclo da Animação"
+msgstr "Mudar Modo do Loop da Animação"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -334,14 +326,12 @@ msgid "Anim Insert Key"
 msgstr "Anim Inserir Chave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Mudar FPS da Animação"
+msgstr "Mudar Passo da Animação"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Reorganizar Carregamentos Automáticos"
+msgstr "Reorganizar Pistas"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -374,9 +364,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "Não é possível adicionar nova pista sem uma raíz"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Adicionar Pista"
+msgstr "Adicionar Pista Bezier"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -387,14 +376,12 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Pista não do tipo Spatial, não se consegue inserir chave"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Pista de Transformação 3D"
+msgstr "Adicionar Chave da Pista de Transformação"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Adicionar Pista"
+msgstr "Adicionar Chave da Pista"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -402,9 +389,8 @@ msgstr ""
 "Caminho da pista é inválido, não se consegue adicionar uma chave método."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Chamar Pista Método"
+msgstr "Adicionar Chave da Pista Método"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -511,7 +497,7 @@ msgstr "Usar Curvas Bezier"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim. Optimizer"
-msgstr "Otimizador de Anim."
+msgstr "Otimizador de Anim"
 
 #: editor/animation_track_editor.cpp
 msgid "Max. Linear Error:"
@@ -566,17 +552,16 @@ msgid "Copy"
 msgstr "Copiar"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Clips �udio:"
+msgstr "Adicionar Clip da Pista �udio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Alterar Compensação do Início do Clip da Pista �udio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Alterar Compensação do Fim do Clip da Pista �udio"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -648,7 +633,7 @@ msgstr "Avisos"
 
 #: editor/code_editor.cpp
 msgid "Line and column numbers."
-msgstr ""
+msgstr "Números de Linha e Coluna."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -1207,9 +1192,8 @@ msgid "Add Bus"
 msgstr "Adicionar Barramento"
 
 #: editor/editor_audio_buses.cpp
-#, fuzzy
 msgid "Add a new Audio Bus to this layout."
-msgstr "Guardar Modelo do barramento de áudio como..."
+msgstr "Adicionar novo Barramento de �udio a este modelo."
 
 #: editor/editor_audio_buses.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
@@ -1392,9 +1376,31 @@ msgstr "Empacotamento"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Plataforma Alvo exige compressão de textura 'ETC' para GLES2. Ative "
+"'Importar Etc' nas Configurações do Projeto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"Plataforma Alvo exige compressão de textura 'ETC2' para GLES3. Ative "
+"'Importar Etc 2' nas Configurações do Projeto."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"Plataforma Alvo exige compressão de textura 'ETC' para o driver de recurso "
+"em GLES2.\n"
+"Ative 'Importar Etc' nas Configurações do Projeto, ou desative 'Driver de "
+"Recurso ativo'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1441,7 +1447,7 @@ msgstr "Mostrar no Gestor de Ficheiros"
 msgid "New Folder..."
 msgstr "Nova Diretoria..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Atualizar"
 
@@ -1516,10 +1522,30 @@ msgstr "Mover Favorito para Cima"
 msgid "Move Favorite Down"
 msgstr "Mover Favorito para Baixo"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Pasta Anterior"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Próxima Pasta"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Ir para a pasta acima"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "(Não) tornar favorita atual pasta."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Visualizar itens como grelha de miniaturas."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Visualizar itens como lista."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Diretorias e Ficheiros:"
@@ -1742,9 +1768,9 @@ msgstr "Limpar Saída"
 msgid "Project export failed with error code %d."
 msgstr "Exportação do projeto falhou com código de erro %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Erro ao guardar recurso!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Recursos importados não podem ser guardados."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1752,6 +1778,18 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Erro ao guardar recurso!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Este recurso não pode ser guardado porque não pertence à cena editada. Faça-"
+"o único."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Guardar Recurso Como..."
 
@@ -1975,13 +2013,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Guardar alterações a '%s' antes de fechar?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "Falha ao carregar recurso."
+msgstr "Guardado(s) %s recurso(s) modificado(s)."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "É necessário um Nó Raiz para guardar a cena."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2250,7 +2287,7 @@ msgstr "Converter Para..."
 
 #: editor/editor_node.cpp
 msgid "MeshLibrary..."
-msgstr "MeshLibrary..."
+msgstr "Bib. de Meshes..."
 
 #: editor/editor_node.cpp
 msgid "TileSet..."
@@ -2503,9 +2540,8 @@ msgid "Save & Restart"
 msgstr "Guardar & Reiniciar"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Spins when the editor window redraws."
-msgstr "Roda quando a janela do Editor atualiza!"
+msgstr "Roda quando a janela do editor atualiza."
 
 #: editor/editor_node.cpp
 msgid "Update Always"
@@ -3068,14 +3104,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "'%s' não foi encontrado no Sistema de Ficheiros!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Visualizar itens como grelha de miniaturas."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Visualizar itens como lista."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Estado: A importação do Ficheiro falhou. Corrija o Ficheiro e importe "
@@ -3213,10 +3241,6 @@ msgid "Search files"
 msgstr "Procurar ficheiros"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instancie a(s) Cena(s) selecionada(s) como filha(s) do Nó selecionado."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3617,19 +3641,16 @@ msgstr "Carregar..."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Mover Ponto"
+msgstr "Mover Ponto Nó"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Mudar tempo de Mistura"
+msgstr "Mudar Limites do BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Mudar tempo de Mistura"
+msgstr "Mudar Legendas do BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3639,24 +3660,21 @@ msgstr "Este tipo de nó não pode ser usado. Apenas nós raiz são permitidos."
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Adicionar Nó"
+msgstr "Adicionar Ponto Nó"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Adicionar Animação"
+msgstr "Adicionar Ponto Animação"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Remover Ponto de Caminho"
+msgstr "Remover Ponto de BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Mover Ponto Nó em BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3702,29 +3720,24 @@ msgid "Triangle already exists"
 msgstr "Já existe triângulo"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Adicionar Variável"
+msgstr "Adicionar Triângulo"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Mudar tempo de Mistura"
+msgstr "Mudar Limites do BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Mudar tempo de Mistura"
+msgstr "Mudar Legendas do BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Remover Ponto de Caminho"
+msgstr "Remover Ponto do BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Remover Variável"
+msgstr "Remover Triângulo do BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3735,9 +3748,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Não existem triângulos, nenhuma mistura pode ocorrer."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Alternar Globals de carregamento automático"
+msgstr "Alternar Triângulos Auto"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3757,9 +3769,8 @@ msgid "Blend:"
 msgstr "Mistura:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Mudanças de Material"
+msgstr "Mudança de Parâmetro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3771,15 +3782,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "Saída do nó não pode ser adicionada à árvore de mistura."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Adicionar Nó da �rvore"
+msgstr "Adicionar Nó a BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Modo mover"
+msgstr "Nó Movido"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3789,36 +3798,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "Ligado"
+msgstr "Nós Conectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Desconectado"
+msgstr "Nós Desconectados"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Animação"
+msgstr "Definir Animação"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Apagar Nó(s)"
+msgstr "Apagar Nó"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Alternar esta pista on/off."
+msgstr "Alternar Filtro On/Off"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Filtro de localização alterado"
+msgstr "Alterar Filtro"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3842,9 +3845,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "Nome do Nó"
+msgstr "Nó Renomeado"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4073,14 +4075,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Tempos de Mistura de Animação cruzada"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Modo mover"
+msgstr "Mover Nó"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Adicionar tradução"
+msgstr "Adicionar Transição"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4116,18 +4116,16 @@ msgid "No playback resource set at path: %s."
 msgstr "Nenhum recurso de playback definido no caminho: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Remover"
+msgstr "Nó Removido"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Nó Transition"
+msgstr "Transição Removida"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Definir Nó de Início (Reprodução Automática)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4551,16 +4549,15 @@ msgstr "Mover CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
-msgstr ""
+msgstr "Pré-definições para âncoras e margens de um Nó Control."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
-#, fuzzy
 msgid ""
 "Children of containers have their anchors and margins values overridden by "
 "their parent."
 msgstr ""
-"Atenção: as crianças de um contentor obtêm a sua posição e tamanho "
-"determinados apenas pelos seus pais."
+"As âncoras e margens de filhos de um contentores são  sobrescritas pelo seu "
+"pai."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Anchors only"
@@ -4867,7 +4864,7 @@ msgstr "Definir Manipulador"
 
 #: editor/plugins/cpu_particles_editor_plugin.cpp
 msgid "CPUParticles"
-msgstr "CPUPartículas"
+msgstr "CPUParticles"
 
 #: editor/plugins/cpu_particles_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
@@ -4949,7 +4946,7 @@ msgstr "Consolidar Sonda GI"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Gradiente Editado"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5207,6 +5204,10 @@ msgid "Generating Visibility Rect"
 msgstr "A Gerar Visibilidade Rect"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Gerar Visibilidade do Rect"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Só pode definir um Ponto num Material ParticlesMaterial"
 
@@ -5219,10 +5220,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Sem pixeis com transparência > 128 na imagem..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Gerar Visibilidade do Rect"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Carregar máscara de emissão"
 
@@ -5233,7 +5230,7 @@ msgstr "Limpar máscara de emissão"
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
 msgid "Convert to CPUParticles"
-msgstr "Converter em CPUPartículas"
+msgstr "Converter em CPUParticles"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp
@@ -5310,13 +5307,13 @@ msgid "Generating AABB"
 msgstr "A gerar AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Gerar AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Gerar visibilidade AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Gerar AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Remover Ponto da curva"
@@ -5474,7 +5471,7 @@ msgstr "Criar mapa UV"
 msgid ""
 "Polygon 2D has internal vertices, so it can no longer be edited in the "
 "viewport."
-msgstr ""
+msgstr "Polygon 2D tem vértices internos, não podendo ser editado no viewport."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create Polygon & UV"
@@ -5901,6 +5898,14 @@ msgid "Open Godot online documentation"
 msgstr "Abrir documentação online do Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Procurar na documentação de referência."
 
@@ -6096,14 +6101,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "Este esqueleto não tem ossos, crie alguns nós Bone2D filhos."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Criar Pose de Descanso (a partir de Ossos)"
+msgstr "Criar Pose de Descanso a partir de Ossos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Criar Pose de Descanso (a partir de Ossos)"
+msgstr "Definir Pose de Descanso para Ossos"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6258,9 +6261,8 @@ msgid "Rear"
 msgstr "Trás"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
-msgstr "Alinhar com a vista"
+msgstr "Alinhar com a Vista"
 
 #: editor/plugins/spatial_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "No parent to instance a child at."
@@ -6355,6 +6357,8 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Nota: O FPS mostrado é a taxa de frames do editor.\n"
+"Não é uma indicação fiável do desempenho do jogo."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6365,9 +6369,8 @@ msgid "XForm Dialog"
 msgstr "Diálogo XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Ajustar ao Fundo"
+msgstr "Ajustar Nós ao Fundo"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6585,9 +6588,8 @@ msgid "Post"
 msgstr "Pós"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Nameless gizmo"
-msgstr "Bugiganga sem nome"
+msgstr "Bugiganga sem Nome"
 
 #: editor/plugins/sprite_editor_plugin.cpp
 msgid "Sprite is empty!"
@@ -6658,14 +6660,12 @@ msgid "(empty)"
 msgstr "(vazio)"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animations:"
-msgstr "Animações"
+msgstr "Animações:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "New Animation"
-msgstr "Animação"
+msgstr "Nova Animação"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Speed (FPS):"
@@ -6676,9 +6676,8 @@ msgid "Loop"
 msgstr "Ciclo"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animation Frames:"
-msgstr "Frames da Animação"
+msgstr "Frames da Animação:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Insert Empty (Before)"
@@ -6966,6 +6965,22 @@ msgid "Merge from Scene"
 msgstr "Fundir a partir da Cena"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "Próxima Coordenada"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Selecione a próxima forma, subtile ou Tile."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Coordenada Anterior"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Selecione a forma, subtile ou Tile anterior."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Copiar bitmask."
 
@@ -6978,9 +6993,8 @@ msgid "Erase bitmask."
 msgstr "Apagar bitmask."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Criar novos nós."
+msgstr "Criar novo retângulo."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7120,6 +7134,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Limpar Bitmask de Tile"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Fazer Polígono Côncavo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Fazer Polígono Convexo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Remover Tile"
 
@@ -7161,26 +7183,23 @@ msgstr "TileSet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Definir Nome do Uniform"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "Definir como Padrão para '%s'"
+msgstr "Definir Porta de Entrada por Defeito"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VIsualShader"
+msgstr "Adicionar Nó ao Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Duplicar Nó(s)"
+msgstr "Duplicar Nós"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Alterado Tipo de Entrada do Visual Shader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7199,14 +7218,12 @@ msgid "VisualShader"
 msgstr "VIsualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Editar Prioridade de Tile"
+msgstr "Editar Propriedade Visual"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Alterações do Shader"
+msgstr "Modo do Visual Shader Alterado"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7225,6 +7242,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"Falhou a exportação do projeto para a plataforma '%s'.\n"
+"O Modelo de exportação está ausente ou é inválido."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7232,6 +7251,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"Falhou a exportação do projeto para a plataforma '%s'.\n"
+"Pode ser provocado por um problema na predefinição ou configuração da "
+"exportação."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7242,6 +7264,10 @@ msgid "Exporting All"
 msgstr "A Exportar Tudo"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "O caminho de exportação não existe:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "Modelos de exportação para esta plataforma estão ausentes/corrompidos :"
@@ -7536,7 +7562,6 @@ msgid "Are you sure to open more than one project?"
 msgstr "Está seguro que quer abrir mais do que um Projeto?"
 
 #: editor/project_manager.cpp
-#, fuzzy
 msgid ""
 "The following project settings file does not specify the version of Godot "
 "through which it was created.\n"
@@ -7548,12 +7573,13 @@ msgid ""
 "Warning: You will not be able to open the project with previous versions of "
 "the engine anymore."
 msgstr ""
-"A seguinte configuração do projeto foi gerada por um motor mais antigo, e "
-"precisa de ser convertida para esta versão.\n"
+"A seguinte configuração do projeto não especifica a versão do Godot em que "
+"foi criada.\n"
 "\n"
 "%s\n"
 "\n"
-"Deseja convertê-la?\n"
+"Se continuar com a abertura, será convertida para o formato da versão "
+"atual.\n"
 "Aviso: Não conseguirá mais abrir o projeto em versões anteriores à deste "
 "motor."
 
@@ -8280,7 +8306,6 @@ msgid "Instantiated scenes can't become root"
 msgstr "Cenas instantâneas não se podem tornar root"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
 msgstr "Tornar Nó Raiz"
 
@@ -8321,9 +8346,8 @@ msgid "Make Local"
 msgstr "Tornar Local"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Tornar Nó Raiz"
+msgstr "Nova Raiz de Cena"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8754,19 +8778,16 @@ msgid "Set From Tree"
 msgstr "Definir a partir da árvore"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Ease out"
+msgstr "Apagar Atalho"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Atalhos"
+msgstr "Restaurar Atalho"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Mudar âncoras"
+msgstr "Alterar Atalho"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8802,7 +8823,7 @@ msgstr "Mudar partículas AABB"
 
 #: editor/spatial_editor_gizmos.cpp
 msgid "Change Probe Extents"
-msgstr "Mudar extensões de sonda"
+msgstr "Mudar Extensões de Sonda"
 
 #: editor/spatial_editor_gizmos.cpp modules/csg/csg_gizmos.cpp
 msgid "Change Sphere Shape Radius"
@@ -8975,9 +8996,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "Seleção duplicada de GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Configurações do GridMap"
+msgstr "Pintura do GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9364,9 +9384,8 @@ msgid "Change Input Value"
 msgstr "Mudar valor de entrada"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Redimensionar CanvasItem"
+msgstr "Redimensionar Comentário"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9803,6 +9822,9 @@ msgid ""
 "Use the CPUParticles2D node instead. You can use the \"Convert to "
 "CPUParticles\" option for this purpose."
 msgstr ""
+"Partículas baseadas em GPU não são suportadas pelo driver de vídeo GLES2.\n"
+"Use o Nó CPUParticles2D. Pode usar a opção \"Converter em CPUParticles\" "
+"para este efeito."
 
 #: scene/2d/particles_2d.cpp scene/3d/particles.cpp
 msgid ""
@@ -9961,6 +9983,14 @@ msgstr ""
 "Uma forma tem de ser fornecida para CollisionShape funcionar. Crie um "
 "recurso forma!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Formas planas não funcionam bem e serão removidas em futuras versões. Não as "
+"use por favor."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "Nada é visível porque nenhuma Malha foi atribuída."
@@ -9977,6 +10007,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "A desenhar Meshes"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"Sondas GI não são suportadas pelo driver vídeo GLES2.\n"
+"Em vez disso, use um BakedLightmap."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9997,6 +10035,9 @@ msgid ""
 "Use the CPUParticles node instead. You can use the \"Convert to CPUParticles"
 "\" option for this purpose."
 msgstr ""
+"Partículas baseadas em GPU não são suportadas pelo driver de vídeo GLES2.\n"
+"Use o Nó CPUParticles. Pode usar a opção \"Converter em CPUParticles\" para "
+"este efeito."
 
 #: scene/3d/particles.cpp
 msgid ""
@@ -10133,7 +10174,7 @@ msgstr "Este nó foi depreciado. Use AnimationTree em vez disso."
 
 #: scene/gui/color_picker.cpp
 msgid "Pick a color from the screen."
-msgstr ""
+msgstr "Escolha uma cor do ecrã."
 
 #: scene/gui/color_picker.cpp
 msgid "Raw Mode"
@@ -10141,12 +10182,23 @@ msgstr "Modo Raw"
 
 #: scene/gui/color_picker.cpp
 msgid "Switch between hexadecimal and code values."
-msgstr ""
+msgstr "Alternar valores entre hexadecimal e código."
 
 #: scene/gui/color_picker.cpp
-#, fuzzy
 msgid "Add current color as a preset."
-msgstr "Adicionar cor atual como predefinição"
+msgstr "Adicionar cor atual como predefinição."
+
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Por si só um Contentor não tem utilidade, a não ser que um script configure "
+"o comportamento dos seu filhos.\n"
+"Se não pretende adicionar um script, será preferível usar um simples nó "
+"'Control'."
 
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
@@ -10156,6 +10208,10 @@ msgstr "Alerta!"
 msgid "Please Confirm..."
 msgstr "Confirme por favor..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Ir para a pasta acima."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10240,6 +10296,10 @@ msgstr "Atribuição a uniforme."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Variações só podem ser atribuídas na função vértice."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Instancie a(s) Cena(s) selecionada(s) como filha(s) do Nó selecionado."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/ro.po b/editor/translations/ro.po
index 7e471609e7..807d02dc5d 100644
--- a/editor/translations/ro.po
+++ b/editor/translations/ro.po
@@ -1404,8 +1404,22 @@ msgstr "Ambalare"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1457,7 +1471,7 @@ msgstr "Arătați în Administratorul de Fișiere"
 msgid "New Folder..."
 msgstr "Director Nou..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Reîmprospătați"
 
@@ -1532,10 +1546,35 @@ msgstr "Deplasați Favorit Sus"
 msgid "Move Favorite Down"
 msgstr "Deplasați Favorit Jos"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Fila anterioară"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Creați Director"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Accesați Directorul Părinte"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Directorul nu a putut fi creat."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Vizualizează articolele ca și o grilă de miniaturi"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Vizualizează articolele ca și o listă"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Directoare și Fişiere:"
@@ -1777,9 +1816,9 @@ msgstr "Curăță Afișarea"
 msgid "Project export failed with error code %d."
 msgstr "Exportul de proiect nu a reuÅŸit cu un cod de eroare %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Eroare la salvarea resursei!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1787,6 +1826,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Eroare la salvarea resursei!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Salvați Resursa Ca..."
 
@@ -3114,16 +3163,6 @@ msgstr ""
 "fișiere!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Vizualizează articolele ca și o grilă de miniaturi"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Vizualizează articolele ca și o listă"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Stare: Importarea fișierului eșuată. Te rog repară fișierul și reimportă "
@@ -3269,10 +3308,6 @@ msgid "Search files"
 msgstr "Căutare Clase"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instanțiază scena(ele) selectată ca un copil al nodului selectat."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5314,6 +5349,10 @@ msgid "Generating Visibility Rect"
 msgstr "Generare Dreptunghi de Vizibilitate"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Generare Dreptunghi de Vizibilitate"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "Definirea unui punct este posibilă doar într-un material de proces "
@@ -5328,10 +5367,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Nici un pixel cu transparența > 128 în imagine..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Generare Dreptunghi de Vizibilitate"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Încărcare Mască de Emisie"
 
@@ -5419,13 +5454,13 @@ msgid "Generating AABB"
 msgstr "Generare AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Generare AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Generare Vizibilitate AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Generare AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Ștergere Punt din Curbă"
@@ -6042,6 +6077,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7127,6 +7170,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Fila anterioară"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7280,6 +7340,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Deplasare poligon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Deplasare poligon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Elimină Șablon"
 
@@ -7409,6 +7479,10 @@ msgid "Exporting All"
 msgstr "Exportare"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10017,6 +10091,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10031,6 +10111,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10179,6 +10265,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -10187,6 +10281,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Accesați Directorul Părinte"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10260,6 +10359,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Instanțiază scena(ele) selectată ca un copil al nodului selectat."
+
 #, fuzzy
 #~ msgid "Font Size:"
 #~ msgstr "Dimensiunea Conturului:"
diff --git a/editor/translations/ru.po b/editor/translations/ru.po
index 0964776b0f..19896638b8 100644
--- a/editor/translations/ru.po
+++ b/editor/translations/ru.po
@@ -37,12 +37,16 @@
 # Sergey Nakhov <true.stalin.exe@gmail.com>, 2019.
 # Bumerang <it.bumerang@gmail.com>, 2019.
 # Viorel <vrila.noroc@gmail.com>, 2019.
+# Vladislav Smirnov <beluckydaf@gmail.com>, 2019.
+# Nikita <iron-nikita@yandex.ru>, 2019.
+# LeLuCh B0й <alekx@alumni.nottingham.ac.uk>, 2019.
+# �р�ений Солодков <arsen332211@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-23 17:17+0000\n"
-"Last-Translator: Viorel <vrila.noroc@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: �р�ений Солодков <arsen332211@gmail.com>\n"
 "Language-Team: Russian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/ru/>\n"
 "Language: ru\n"
@@ -51,7 +55,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
 "%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -66,7 +70,7 @@ msgstr "�едо�таточно байтов дл� декодировани�
 
 #: core/math/expression.cpp
 msgid "Invalid input %i (not passed) in expression"
-msgstr "�еправильный ввод %i (не проходит) в выражении"
+msgstr "�еправильный ввод %i (не был передан) в выражении"
 
 #: core/math/expression.cpp
 msgid "self can't be used because instance is null (not passed)"
@@ -119,14 +123,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Удалить выделенные ключ(и)"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Добавить точку"
+msgstr "Добавить точку Безье"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Передвинуть Точку"
+msgstr "Передвинуть Точку Безье"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -157,9 +159,8 @@ msgid "Anim Change Call"
 msgstr "Изменить вызов анимации"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Изменить циклично�ть анимации"
+msgstr "Изменить длину анимации"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -216,9 +217,8 @@ msgid "Anim Clips:"
 msgstr "Дорожки �нимации:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Изменить значение ма��ива"
+msgstr "Изменить Путь Следовани�"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -301,19 +301,16 @@ msgid "Delete Key(s)"
 msgstr "Удалить ключ(ключи)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Изменить им� анимации:"
+msgstr "Изменить Режим Обновлени� �нимации"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Режим Перехода"
+msgstr "Изменить Режим Интерпол�ции �нимации"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Изменить циклично�ть анимации"
+msgstr "Изменить Режим Цикла �нимации"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -357,14 +354,12 @@ msgid "Anim Insert Key"
 msgstr "В�тавить ключ"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Изменить FPS анимации"
+msgstr "Изменить Шаг �нимации"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Пере�тановка автозагрузок"
+msgstr "Пере�тавить Дорожки"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -395,9 +390,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "�ельз� добавить новый трек без корневого узла"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Добавить новый Трек"
+msgstr "Добавить Дорожку Безье"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -408,14 +402,12 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Трек не имеет тип Spatial, нельз� добавить ключ"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Трек 3D Преобразовани�"
+msgstr "Добавить Ключ От�леживани� Тран�формации"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Добавить новый Трек"
+msgstr "Добавить Ключ Дорожки"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
@@ -593,11 +585,11 @@ msgstr "�удио Дорожки:"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Изменить �мещение начала в Audio Track клипе"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Изменить �мещение начала в Audio Track клипе"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -668,9 +660,8 @@ msgid "Warnings"
 msgstr "Предупреждени�"
 
 #: editor/code_editor.cpp
-#, fuzzy
 msgid "Line and column numbers."
-msgstr "�омер линии и �толбца"
+msgstr "�омера �трок и �толбцов."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -1156,7 +1147,7 @@ msgstr "Заглушить"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bypass"
-msgstr "Bypass"
+msgstr "Обход"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bus options"
@@ -1413,9 +1404,30 @@ msgstr "Упаковывание"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Целева� платформа требует �жатие тек�тур 'ETC' дл� GLES2. Включите 'Импорт "
+"Etc' в на�тройках проекта."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"Целева� платформа требует компре��ию тек�тур 'ETC2' дл� GLES2. Включите "
+"'Import Etc 2' в на�тройках проекта."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"Целева� платформа требует �жати� тек�тур 'ETC' дл� отката драйвера к GLES2.\n"
+"Включите 'Импорт Etc' в �а�тройках Проекта или отключите 'Откат Драйвера "
+"Включен'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1426,9 +1438,8 @@ msgstr "Пользователь�кий отладочный шаблон не
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
-#, fuzzy
 msgid "Custom release template not found."
-msgstr "Пользователь�кий релизный пакет не найден."
+msgstr "Пользователь�кий релизный шаблон не найден."
 
 #: editor/editor_export.cpp platform/javascript/export/export.cpp
 msgid "Template file not found:"
@@ -1463,7 +1474,7 @@ msgstr "Про�мотреть в проводнике"
 msgid "New Folder..."
 msgstr "�ова� папка..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Обновить"
 
@@ -1538,10 +1549,31 @@ msgstr "Переме�тить избранное вверх"
 msgid "Move Favorite Down"
 msgstr "Переме�тить избранное вниз"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Предыдуща� папка"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Следующа� папка"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Перейти к родитель�кой папке"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "�евозможно �оздать папку."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Про�мотр �лементов в виде миниатюр."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Про�мотр �лементов в виде �пи�ка."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Каталоги и файлы:"
@@ -1764,9 +1796,9 @@ msgstr "Очи�тить вывод"
 msgid "Project export failed with error code %d."
 msgstr "Эк�порт проекта не удал��, код %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Ошибка при �охранении ре�ур�а!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Импортированные ре�ур�ы не могут быть �охранены."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1774,6 +1806,18 @@ msgid "OK"
 msgstr "Ок"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Ошибка при �охранении ре�ур�а!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Данный ре�ур� нельз� �охранить, потому что он не �вл�ет�� ча�тью изменённой "
+"�цены. Сначала нужно �делать его уникальным."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Сохранить ре�ур� как..."
 
@@ -1999,9 +2043,8 @@ msgid "Saved %s modified resource(s)."
 msgstr "�е удало�ь загрузить ре�ур�."
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "A root node is required to save the scene."
-msgstr "Только один файл необходим дл� большой тек�туры."
+msgstr "Дл� �охранени� �цены требует�� корневой узел."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -2427,9 +2470,8 @@ msgid "Toggle Fullscreen"
 msgstr "Переключить полно�кранный режим"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Open Editor Data/Settings Folder"
-msgstr "Открыть папку данных/на�троек редактора"
+msgstr "Открыть папку Данные/�а�тройки редактора"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Data Folder"
@@ -2953,9 +2995,8 @@ msgstr ""
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
-#, fuzzy
 msgid "Can't resolve."
-msgstr "�е удаёт�� разрешить."
+msgstr "�е могу преобразовать."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -3091,14 +3132,6 @@ msgstr ""
 "�е удает�� перейти к '%s', так как он не был найден в файловой �и�теме!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Про�мотр �лементов в виде миниатюр."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Про�мотр �лементов в виде �пи�ка."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Стату�: Импорт файла не удал��. Пожалуй�та, и�правьте файл и "
@@ -3236,10 +3269,6 @@ msgid "Search files"
 msgstr "Пои�к файлов"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Добавить выбранную �цену(ы), в каче�тве потомка выбранного узла."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3451,7 +3480,7 @@ msgstr "Переимпортировать"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
-msgstr ""
+msgstr "Сохранить �цены, импортировать заново и перезапу�тить"
 
 #: editor/import_dock.cpp
 msgid "Changing the type of an imported file requires editor restart."
@@ -3680,7 +3709,7 @@ msgstr "Удалить точку пути"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Передвинуть точку узла BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -4150,7 +4179,7 @@ msgstr "Transition узел"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "Задать начальный узел (автоматиче�кое во�произведение)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4576,7 +4605,7 @@ msgstr "Переме�тить CanvasItem"
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Presets for the anchors and margins values of a Control node."
-msgstr ""
+msgstr "Преду�тановки дл� �корей и значени� от�тупов контрольного узла."
 
 #: editor/plugins/canvas_item_editor_plugin.cpp
 #, fuzzy
@@ -4975,7 +5004,7 @@ msgstr "Запечь GI пробу"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Градиент отредактирован"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5233,6 +5262,10 @@ msgid "Generating Visibility Rect"
 msgstr "Создать обла�ть видимо�ти"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Создать обла�ть видимо�ти"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Возможно у�тановить точку только в ParticlesMaterial материал"
 
@@ -5245,10 +5278,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "�икаких пик�елей � прозрачно�тью > 128 в изображении..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Создать обла�ть видимо�ти"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Ма�ка выбро�а загружена"
 
@@ -5336,11 +5365,11 @@ msgid "Generating AABB"
 msgstr "Генераци� AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr "Генерировать AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr "Генерировать AABB"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5501,6 +5530,8 @@ msgid ""
 "Polygon 2D has internal vertices, so it can no longer be edited in the "
 "viewport."
 msgstr ""
+"Polygon 2D имеет внутренние вершины, по�тому его нельз� редактировать в окне "
+"про�мотра."
 
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create Polygon & UV"
@@ -5926,6 +5957,14 @@ msgid "Open Godot online documentation"
 msgstr "Открыть онлайн документацию Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Пои�к �правочной документации."
 
@@ -6380,6 +6419,9 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Примечание: Отображаемое значение FPS �вл�ет�� ча�тотой кадров редактора.\n"
+"Его нельз� и�пользовать в каче�тве надежного показател� производительно�ти "
+"игры."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6992,6 +7034,24 @@ msgid "Merge from Scene"
 msgstr "Сли�ние из �цены"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Следующий �таж"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Выберите �ледующую фигуру, �лемент тайла или тайл."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Предыдущий �таж"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Выберите предыдущую форму, �лемент тайла или тайл."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Копировать битовую ма�ку."
 
@@ -7146,6 +7206,16 @@ msgid "Clear Tile Bitmask"
 msgstr "Очи�тить Битовую Ма�ку Плитки"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Передвинуть полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Передвинуть полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Удалить тайл"
 
@@ -7183,11 +7253,11 @@ msgstr "Это �вой�тво не может быть изменено."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "TileSet"
-msgstr "TileSet"
+msgstr "�абор Тайлов"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "Задать единообразное им�"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 #, fuzzy
@@ -7206,7 +7276,7 @@ msgstr "Дублировать узел(узлы)"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Изменен тип ввода Визуального Шейдера"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7222,7 +7292,7 @@ msgstr "Свет"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "VisualShader"
-msgstr "VisualShader"
+msgstr "Визуальный Шейдер"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 #, fuzzy
@@ -7251,6 +7321,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"�е удало�ь �к�портировать проект дл� платформы '%s'.\n"
+"Шаблоны �к�порта от�ут�твуют или недей�твительны."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7258,6 +7330,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"�е удало�ь �к�портировать проект дл� платформы '%s'.\n"
+"Это может быть �в�зано � проблемой конфигурации в преду�тановке �к�порта или "
+"на�тройках �к�порта."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7268,6 +7343,11 @@ msgid "Exporting All"
 msgstr "Эк�порт в�ех"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Путь не �уще�твует."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Шаблоны �к�порта дл� �той платформы от�ут�твуют/повреждены:"
 
@@ -7507,7 +7587,7 @@ msgstr "Обзор"
 
 #: editor/project_manager.cpp
 msgid "Renderer:"
-msgstr ""
+msgstr "Отри�овщик:"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 3.0"
@@ -7520,10 +7600,14 @@ msgid ""
 "Incompatible with older hardware\n"
 "Not recommended for web games"
 msgstr ""
+"Более вы�окое каче�тво графики\n"
+"В�е функции до�тупны\n"
+"�е�овме�тимо �о �тарым оборудованием\n"
+"�е рекомендует�� дл� веб-игр"
 
 #: editor/project_manager.cpp
 msgid "OpenGL ES 2.0"
-msgstr ""
+msgstr "OpenGL ES 2.0"
 
 #: editor/project_manager.cpp
 msgid ""
@@ -7532,10 +7616,16 @@ msgid ""
 "Works on most hardware\n"
 "Recommended for web games"
 msgstr ""
+"Более низкое каче�тво графики\n"
+"�екоторые функции недо�тупны\n"
+"Работает на большем чи�ле оборудовани�\n"
+"Рекомендует�� дл� веб-игр"
 
 #: editor/project_manager.cpp
 msgid "Renderer can be changed later, but scenes may need to be adjusted."
 msgstr ""
+"Отри�овщик может быть изменен позже, но �цены могут потребовать "
+"корректировки."
 
 #: editor/project_manager.cpp
 msgid "Unnamed Project"
@@ -8184,9 +8274,8 @@ msgid "under_scored to CamelCase"
 msgstr "under_scored к CamelCase"
 
 #: editor/rename_dialog.cpp
-#, fuzzy
 msgid "Case"
-msgstr "Реги�тр"
+msgstr "Случай"
 
 #: editor/rename_dialog.cpp
 msgid "To Lowercase"
@@ -8287,6 +8376,8 @@ msgstr "Дублировать узел(узлы)"
 #: editor/scene_tree_dock.cpp
 msgid "Can't reparent nodes in inherited scenes, order of nodes can't change."
 msgstr ""
+"�евозможно изменить родител� у узла в на�ледованных �ценах, пор�док узлов не "
+"может быть изменен."
 
 #: editor/scene_tree_dock.cpp
 msgid "Node must belong to the edited scene to become root."
@@ -8419,9 +8510,8 @@ msgid "Change Type"
 msgstr "Изменить тип"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Extend Script"
-msgstr "�а�ледовать �крипт"
+msgstr "Ра�ширить �крипт"
 
 #: editor/scene_tree_dock.cpp
 msgid "Make Scene Root"
@@ -8676,7 +8766,6 @@ msgid "Bytes:"
 msgstr "Байты:"
 
 #: editor/script_editor_debugger.cpp
-#, fuzzy
 msgid "Stack Trace"
 msgstr "Тра��ировка Стека"
 
@@ -9564,9 +9653,8 @@ msgid "ADB executable not configured in the Editor Settings."
 msgstr "И�полн�емый файл ADB не �конфигурирован в на�тройках редактора."
 
 #: platform/android/export/export.cpp
-#, fuzzy
 msgid "OpenJDK jarsigner not configured in the Editor Settings."
-msgstr "Значок OpenJDK jarsigner не �конфигурирован в на�тройках редактора."
+msgstr "OpenJDK jarsigner не на�троен в �а�тройках Редактора."
 
 #: platform/android/export/export.cpp
 msgid "Debug keystore not configured in the Editor Settings nor in the preset."
@@ -9812,6 +9900,9 @@ msgid ""
 "Use the CPUParticles2D node instead. You can use the \"Convert to "
 "CPUParticles\" option for this purpose."
 msgstr ""
+"Ча�тицы на базе GPU не поддерживают�� видео драйвером GLES2.\n"
+"Вме�то �того и�пользуйте узел CPUParticles2D. Дл� �того можно "
+"во�пользовать�� опцией \"Преобразовать в CPUParticles\"."
 
 #: scene/2d/particles_2d.cpp scene/3d/particles.cpp
 msgid ""
@@ -9974,6 +10065,14 @@ msgstr ""
 "Shape должен быть преду�мотрен дл� функций CollisionShape. Пожалуй�та, "
 "�оздайте shape-ре�ур� дл� �того!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Формы пло�ко�тей не очень хорошо работают и будут удалены в по�ледующих "
+"вер�и�х. Пожалуй�та, не и�пользуйте их."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "�ичто не видно, потому что не назначена �етка."
@@ -9990,6 +10089,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "По�троение поли�етки"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"GIProbes не поддерживают�� видеодрайвером GLES2.\n"
+"Вме�то �того и�пользуйте BakedLightmap."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10009,6 +10116,9 @@ msgid ""
 "Use the CPUParticles node instead. You can use the \"Convert to CPUParticles"
 "\" option for this purpose."
 msgstr ""
+"Ча�тицы на базе GPU не поддерживают�� видео драйвером GLES2.\n"
+"Вме�то �того и�пользуйте узел CPUParticles. Дл� �того можно во�пользовать�� "
+"опцией \"Преобразовать в CPUParticles\"."
 
 #: scene/3d/particles.cpp
 msgid ""
@@ -10141,7 +10251,7 @@ msgstr "Этот узел был удален. ВмеÑ�то Ñ�того иÑ�поÐ
 
 #: scene/gui/color_picker.cpp
 msgid "Pick a color from the screen."
-msgstr ""
+msgstr "Выбрать цвет � �крана."
 
 #: scene/gui/color_picker.cpp
 msgid "Raw Mode"
@@ -10149,13 +10259,25 @@ msgstr "RAW режим"
 
 #: scene/gui/color_picker.cpp
 msgid "Switch between hexadecimal and code values."
-msgstr ""
+msgstr "Переключение между ше�тнадцатеричными и кодовыми значени�ми."
 
 #: scene/gui/color_picker.cpp
 #, fuzzy
 msgid "Add current color as a preset."
 msgstr "Добавить текущий цвет как пре�ет"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Контейнер �ам по �ебе не имеет �мы�ла, пока �крипт не на�троит режим "
+"размещени� его детей.\n"
+"Е�ли вы не �обираете�ь добавл�ть �крипт, и�пользуйте вме�то �того про�той "
+"узел 'Control'."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Внимание!"
@@ -10164,6 +10286,11 @@ msgstr "Внимание!"
 msgid "Please Confirm..."
 msgstr "Подтверждение..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Перейти к родитель�кой папке"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10244,14 +10371,15 @@ msgid "Assignment to function."
 msgstr "�азначение функции."
 
 #: servers/visual/shader_language.cpp
-#, fuzzy
 msgid "Assignment to uniform."
-msgstr "�азначить форму"
+msgstr "�азначить форму."
 
 #: servers/visual/shader_language.cpp
-#, fuzzy
 msgid "Varyings can only be assigned in vertex function."
-msgstr "Переменные могут быть назначены только в функции вершин."
+msgstr "Изменени� могут быть назначены только в функции вершины."
+
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Добавить выбранную �цену(ы), в каче�тве потомка выбранного узла."
 
 #~ msgid "FPS"
 #~ msgstr "FPS"
@@ -11795,9 +11923,6 @@ msgstr "Переменные могут быть назначены только
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "�евозможно перейти в подпапку:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "Импортированные ре�ур�ы"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "В�тавить ключи (Ins)"
 
diff --git a/editor/translations/si.po b/editor/translations/si.po
index d792087871..dab5cb3e0f 100644
--- a/editor/translations/si.po
+++ b/editor/translations/si.po
@@ -1348,8 +1348,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1397,7 +1411,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1472,10 +1486,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1691,8 +1725,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1701,6 +1735,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2935,14 +2979,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3078,10 +3114,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5016,19 +5048,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5119,11 +5151,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5704,6 +5736,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6760,6 +6800,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6900,6 +6956,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -7018,6 +7082,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9569,6 +9637,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9583,6 +9657,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9726,6 +9806,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9734,6 +9822,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/sk.po b/editor/translations/sk.po
index af5966a37d..a664935a69 100644
--- a/editor/translations/sk.po
+++ b/editor/translations/sk.po
@@ -5,12 +5,13 @@
 # J08nY <johnenter@gmail.com>, 2016.
 # MineGame 159 <minegame459@gmail.com>, 2018.
 # Zuzana Palenikova <sousana.is@gmail.com>, 2019.
+# MineGame159 <petulko08@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-01 12:10+0000\n"
-"Last-Translator: Zuzana Palenikova <sousana.is@gmail.com>\n"
+"PO-Revision-Date: 2019-03-12 15:26+0000\n"
+"Last-Translator: MineGame159 <petulko08@gmail.com>\n"
 "Language-Team: Slovak <https://hosted.weblate.org/projects/godot-engine/"
 "godot/sk/>\n"
 "Language: sk\n"
@@ -18,7 +19,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -63,7 +64,7 @@ msgstr "Pri volaní '%s':"
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr ""
+msgstr "Voľné"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
@@ -91,17 +92,16 @@ msgid "Add Bezier Point"
 msgstr "Signály:"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Všetky vybrané"
+msgstr "Presunúť Vybraté Body"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
-msgstr ""
+msgstr "Animácia Duplikovať Kľú�e"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Delete Keys"
-msgstr ""
+msgstr "Animácia Vymazať Kľú�e"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Keyframe Time"
@@ -126,12 +126,12 @@ msgstr "Animácia Zmeniť Hovor"
 
 #: editor/animation_track_editor.cpp
 msgid "Change Animation Length"
-msgstr ""
+msgstr "Zmeniť Dĺžku Animácie"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "Zmeniť Dĺžku Animácie"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
@@ -163,7 +163,7 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Length Time (seconds)"
-msgstr ""
+msgstr "Dĺžka Času Animácie (v sekundách)"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Looping"
@@ -172,15 +172,15 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Functions:"
-msgstr ""
+msgstr "Funkcie:"
 
 #: editor/animation_track_editor.cpp
 msgid "Audio Clips:"
-msgstr ""
+msgstr "Zvukové Klipy:"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Clips:"
-msgstr ""
+msgstr "Klipy Animácie:"
 
 #: editor/animation_track_editor.cpp
 msgid "Change Track Path"
@@ -196,7 +196,7 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Interpolation Mode"
-msgstr ""
+msgstr "Režim Interpolácie"
 
 #: editor/animation_track_editor.cpp
 msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
@@ -209,7 +209,7 @@ msgstr "Všetky vybrané"
 
 #: editor/animation_track_editor.cpp
 msgid "Time (s): "
-msgstr ""
+msgstr "ÄŒas (s): "
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle Track Enabled"
@@ -221,28 +221,28 @@ msgstr "Priebežný"
 
 #: editor/animation_track_editor.cpp
 msgid "Discrete"
-msgstr ""
+msgstr "Diskrétne"
 
 #: editor/animation_track_editor.cpp
 msgid "Trigger"
-msgstr ""
+msgstr "Spúšť"
 
 #: editor/animation_track_editor.cpp
 msgid "Capture"
-msgstr ""
+msgstr "Zachytiť"
 
 #: editor/animation_track_editor.cpp
 msgid "Nearest"
-msgstr ""
+msgstr "Najbližší"
 
 #: editor/animation_track_editor.cpp editor/plugins/curve_editor_plugin.cpp
 #: editor/property_editor.cpp
 msgid "Linear"
-msgstr ""
+msgstr "Lineárne"
 
 #: editor/animation_track_editor.cpp
 msgid "Cubic"
-msgstr ""
+msgstr "Kubický"
 
 #: editor/animation_track_editor.cpp
 msgid "Clamp Loop Interp"
@@ -255,7 +255,7 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key"
-msgstr ""
+msgstr "Vložiť Kľú�"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -298,19 +298,19 @@ msgstr ""
 #: editor/plugins/mesh_instance_editor_plugin.cpp
 #: editor/plugins/particles_editor_plugin.cpp editor/script_create_dialog.cpp
 msgid "Create"
-msgstr ""
+msgstr "Vytvoriť"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert"
-msgstr ""
+msgstr "Animácia Vložiť"
 
 #: editor/animation_track_editor.cpp
 msgid "AnimationPlayer can't animate itself, only other players."
-msgstr ""
+msgstr "AnimationPlayer nemôže animovať sám seba, iba ostatný hrá�i."
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Create & Insert"
-msgstr ""
+msgstr "Animácia Vytvoriť & Vložiť"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Track & Key"
@@ -318,7 +318,7 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Insert Key"
-msgstr ""
+msgstr "Animácia Vložiť Kľú�"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -341,6 +341,10 @@ msgid ""
 "-AudioStreamPlayer2D\n"
 "-AudioStreamPlayer3D"
 msgstr ""
+"Audio stopy môžu ukazovať len na nodes typu:\n"
+"-AudioStreamPlayer\n"
+"-AudioStreamPlayer2D\n"
+"-AudioStreamPlayer3D"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation tracks can only point to AnimationPlayer nodes."
@@ -640,13 +644,13 @@ msgstr ""
 
 #: editor/connections_dialog.cpp
 msgid "Connect To Node:"
-msgstr ""
+msgstr "Pripojiť k Node:"
 
 #: editor/connections_dialog.cpp editor/editor_autoload_settings.cpp
 #: editor/groups_editor.cpp editor/plugins/item_list_editor_plugin.cpp
 #: editor/plugins/theme_editor_plugin.cpp editor/project_settings_editor.cpp
 msgid "Add"
-msgstr ""
+msgstr "Pridať"
 
 #: editor/connections_dialog.cpp editor/dependency_editor.cpp
 #: editor/groups_editor.cpp editor/plugins/animation_player_editor_plugin.cpp
@@ -655,7 +659,7 @@ msgstr ""
 #: editor/plugins/theme_editor_plugin.cpp editor/project_manager.cpp
 #: editor/project_settings_editor.cpp
 msgid "Remove"
-msgstr ""
+msgstr "Odstrániť"
 
 #: editor/connections_dialog.cpp
 msgid "Add Extra Call Argument:"
@@ -667,7 +671,7 @@ msgstr ""
 
 #: editor/connections_dialog.cpp
 msgid "Path to Node:"
-msgstr ""
+msgstr "Cesta k Node:"
 
 #: editor/connections_dialog.cpp
 msgid "Make Function"
@@ -693,102 +697,99 @@ msgstr ""
 #: editor/run_settings_dialog.cpp editor/settings_config_dialog.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Close"
-msgstr ""
+msgstr "Zatvoriť"
 
 #: editor/connections_dialog.cpp
 msgid "Connect"
-msgstr ""
+msgstr "Pripojiť"
 
 #: editor/connections_dialog.cpp
 msgid "Connect '%s' to '%s'"
-msgstr ""
+msgstr "Pripojiť '%s' k '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect '%s' from '%s'"
-msgstr ""
+msgstr "Odpojiť '%s' z '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect all from signal: '%s'"
-msgstr ""
+msgstr "Opojiť všetky z signálu: '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Connect..."
-msgstr ""
+msgstr "Pripojiť..."
 
 #: editor/connections_dialog.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Disconnect"
-msgstr ""
+msgstr "Odpojiť"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Connect Signal: "
-msgstr "Všetky vybrané"
+msgstr "Pripojiť Signál: "
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Edit Connection: "
-msgstr "Upraviť výber krivky"
+msgstr "Upraviť Pripojenie: "
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from the \"%s\" signal?"
-msgstr ""
+msgstr "Naozaj chcete odstrániť všetky pripojenia z \"%s\" signálu?"
 
 #: editor/connections_dialog.cpp editor/editor_help.cpp editor/node_dock.cpp
 msgid "Signals"
-msgstr ""
+msgstr "Signály"
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from this signal?"
-msgstr ""
+msgstr "Naozaj chcete odstrániť všetky pripojenia z tohto signálu?"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect All"
-msgstr ""
+msgstr "Opojiť Všetko"
 
 #: editor/connections_dialog.cpp
 msgid "Edit..."
-msgstr ""
+msgstr "Upraviť..."
 
 #: editor/connections_dialog.cpp
 msgid "Go To Method"
-msgstr ""
+msgstr "Prejdite na Metódu"
 
 #: editor/create_dialog.cpp
 msgid "Change %s Type"
-msgstr ""
+msgstr "Zmeniť %s Typ"
 
 #: editor/create_dialog.cpp editor/project_settings_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Change"
-msgstr ""
+msgstr "Zmeniť"
 
 #: editor/create_dialog.cpp
-#, fuzzy
 msgid "Create New %s"
-msgstr "Vytvoriť adresár"
+msgstr "Vytvoriť Nový %s"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp
 msgid "Favorites:"
-msgstr ""
+msgstr "Obľúbené:"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 msgid "Recent:"
-msgstr ""
+msgstr "Nedávne:"
 
 #: editor/create_dialog.cpp editor/plugins/asset_library_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp editor/project_manager.cpp
 #: editor/property_selector.cpp editor/quick_open.cpp
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Search:"
-msgstr ""
+msgstr "Hľadať:"
 
 #: editor/create_dialog.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/property_selector.cpp editor/quick_open.cpp
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Matches:"
-msgstr ""
+msgstr "Zhody:"
 
 #: editor/create_dialog.cpp editor/plugin_config_dialog.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp editor/property_selector.cpp
@@ -798,17 +799,19 @@ msgstr "Popis:"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement For:"
-msgstr ""
+msgstr "Hľadať Náhradu pre:"
 
 #: editor/dependency_editor.cpp
 msgid "Dependencies For:"
-msgstr ""
+msgstr "Závislosti pre:"
 
 #: editor/dependency_editor.cpp
 msgid ""
 "Scene '%s' is currently being edited.\n"
 "Changes will not take effect unless reloaded."
 msgstr ""
+"Scéna '%s' sa práve upravuje.\n"
+"Zmeny sa neprejavia, pokiaľ znovu na�ítané."
 
 #: editor/dependency_editor.cpp
 msgid ""
@@ -819,32 +822,32 @@ msgstr ""
 #: editor/dependency_editor.cpp
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Dependencies"
-msgstr ""
+msgstr "Závislostí"
 
 #: editor/dependency_editor.cpp
 msgid "Resource"
-msgstr ""
+msgstr "Prostriedok"
 
 #: editor/dependency_editor.cpp editor/editor_autoload_settings.cpp
 #: editor/project_settings_editor.cpp editor/script_create_dialog.cpp
 msgid "Path"
-msgstr ""
+msgstr "Cesta"
 
 #: editor/dependency_editor.cpp
 msgid "Dependencies:"
-msgstr ""
+msgstr "Závislostí:"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Broken"
-msgstr ""
+msgstr "Opraviť Rozbité"
 
 #: editor/dependency_editor.cpp
 msgid "Dependency Editor"
-msgstr ""
+msgstr "Editor Závislostí"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement Resource:"
-msgstr ""
+msgstr "Hľadať Náhradný Zdroj:"
 
 #: editor/dependency_editor.cpp editor/editor_file_dialog.cpp
 #: editor/editor_help_search.cpp editor/editor_node.cpp
@@ -858,11 +861,11 @@ msgstr "Otvoriť"
 
 #: editor/dependency_editor.cpp
 msgid "Owners Of:"
-msgstr ""
+msgstr "Majitelia:"
 
 #: editor/dependency_editor.cpp
 msgid "Remove selected files from the project? (no undo)"
-msgstr ""
+msgstr "Odstrániť vybraté súbory z projektu? (nedá sa vrátiť späť)"
 
 #: editor/dependency_editor.cpp
 msgid ""
@@ -870,46 +873,48 @@ msgid ""
 "work.\n"
 "Remove them anyway? (no undo)"
 msgstr ""
+"Súbory ktoré budú odstránené vyžadujú �alšie zdroje, aby mohli pracovať.\n"
+"Odstrániť aj napriek tomu? (nedá sa vrátiť späť)"
 
 #: editor/dependency_editor.cpp editor/export_template_manager.cpp
 msgid "Cannot remove:"
-msgstr ""
+msgstr "Nemôžete odstrániť:"
 
 #: editor/dependency_editor.cpp
 msgid "Error loading:"
-msgstr ""
+msgstr "Chyba pri na�ítaní:"
 
 #: editor/dependency_editor.cpp
 msgid "Load failed due to missing dependencies:"
-msgstr ""
+msgstr "Na�ítanie zlyhalo z dôvodu chýbajúcich závislostí:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Open Anyway"
-msgstr ""
+msgstr "Otvoriť aj napriek tomu"
 
 #: editor/dependency_editor.cpp
 msgid "Which action should be taken?"
-msgstr ""
+msgstr "Ktorá akcia by sa mala prijať?"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Dependencies"
-msgstr ""
+msgstr "Opraviť Závislosti"
 
 #: editor/dependency_editor.cpp
 msgid "Errors loading!"
-msgstr ""
+msgstr "Chyby pri na�ítaní!"
 
 #: editor/dependency_editor.cpp
 msgid "Permanently delete %d item(s)? (No undo!)"
-msgstr ""
+msgstr "Natrvalo odstrániť %d položky? (Nedá sa vrátiť späť!)"
 
 #: editor/dependency_editor.cpp
 msgid "Owns"
-msgstr ""
+msgstr "Vlastní"
 
 #: editor/dependency_editor.cpp
 msgid "Resources Without Explicit Ownership:"
-msgstr ""
+msgstr "Zdroje Bez Výslovného Vlastníctva:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Orphan Resource Explorer"
@@ -917,7 +922,7 @@ msgstr ""
 
 #: editor/dependency_editor.cpp
 msgid "Delete selected files?"
-msgstr ""
+msgstr "Odstrániť vybraté súbory?"
 
 #: editor/dependency_editor.cpp editor/editor_audio_buses.cpp
 #: editor/editor_file_dialog.cpp editor/editor_node.cpp
@@ -925,79 +930,79 @@ msgstr ""
 #: editor/plugins/sprite_frames_editor_plugin.cpp editor/project_export.cpp
 #: editor/project_settings_editor.cpp editor/scene_tree_dock.cpp
 msgid "Delete"
-msgstr ""
+msgstr "Vymazať"
 
 #: editor/dictionary_property_edit.cpp
 msgid "Change Dictionary Key"
-msgstr ""
+msgstr "Zmeniť Kľú� v Slovníku"
 
 #: editor/dictionary_property_edit.cpp
 msgid "Change Dictionary Value"
-msgstr ""
+msgstr "Zmeniť Hodnotu v Slovníku"
 
 #: editor/editor_about.cpp
 msgid "Thanks from the Godot community!"
-msgstr ""
+msgstr "V�aka z Godot komunity!"
 
 #: editor/editor_about.cpp
 msgid "Godot Engine contributors"
-msgstr ""
+msgstr "Godot Engine prispievatelia"
 
 #: editor/editor_about.cpp
 msgid "Project Founders"
-msgstr ""
+msgstr "Zakladatelia Projektu"
 
 #: editor/editor_about.cpp
 msgid "Lead Developer"
-msgstr ""
+msgstr "Vedúci Vývojár"
 
 #: editor/editor_about.cpp
 msgid "Project Manager "
-msgstr ""
+msgstr "Manažér Projektu "
 
 #: editor/editor_about.cpp
 msgid "Developers"
-msgstr ""
+msgstr "Vývojári"
 
 #: editor/editor_about.cpp
 msgid "Authors"
-msgstr ""
+msgstr "Autori"
 
 #: editor/editor_about.cpp
 msgid "Platinum Sponsors"
-msgstr ""
+msgstr "Platinový Sponzori"
 
 #: editor/editor_about.cpp
 msgid "Gold Sponsors"
-msgstr ""
+msgstr "Zlatý Sponzori"
 
 #: editor/editor_about.cpp
 msgid "Mini Sponsors"
-msgstr ""
+msgstr "Malý Sponzori"
 
 #: editor/editor_about.cpp
 msgid "Gold Donors"
-msgstr ""
+msgstr "Zlatý Darcovia"
 
 #: editor/editor_about.cpp
 msgid "Silver Donors"
-msgstr ""
+msgstr "Strieborný Darcovia"
 
 #: editor/editor_about.cpp
 msgid "Bronze Donors"
-msgstr ""
+msgstr "Bronzový Darcovia"
 
 #: editor/editor_about.cpp
 msgid "Donors"
-msgstr ""
+msgstr "Darcovia"
 
 #: editor/editor_about.cpp
 msgid "License"
-msgstr ""
+msgstr "Licencia"
 
 #: editor/editor_about.cpp
 msgid "Thirdparty License"
-msgstr ""
+msgstr "Thirdparty Licencie"
 
 #: editor/editor_about.cpp
 msgid ""
@@ -1008,22 +1013,21 @@ msgid ""
 msgstr ""
 
 #: editor/editor_about.cpp
-#, fuzzy
 msgid "All Components"
-msgstr "Konštanty:"
+msgstr "VÅ¡etky Komponenty"
 
 #: editor/editor_about.cpp
 #, fuzzy
 msgid "Components"
-msgstr "Konštanty:"
+msgstr "Komponenty"
 
 #: editor/editor_about.cpp
 msgid "Licenses"
-msgstr ""
+msgstr "Licencie"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Error opening package file, not in zip format."
-msgstr ""
+msgstr "Chyba pri otváraní súboru balíka, nie je vo formáte zip."
 
 #: editor/editor_asset_installer.cpp
 msgid "Uncompressing Assets"
@@ -1031,29 +1035,29 @@ msgstr ""
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Package installed successfully!"
-msgstr ""
+msgstr "Balík bol úspešne nainštalovaný!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Success!"
-msgstr ""
+msgstr "Úspech!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Install"
-msgstr ""
+msgstr "Inštalovať"
 
 #: editor/editor_asset_installer.cpp
 msgid "Package Installer"
-msgstr ""
+msgstr "Inštalátor Balíkov"
 
 #: editor/editor_audio_buses.cpp
 msgid "Speakers"
-msgstr ""
+msgstr "Reproduktory"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Effect"
-msgstr ""
+msgstr "Pridať Efekt"
 
 #: editor/editor_audio_buses.cpp
 #, fuzzy
@@ -1099,15 +1103,15 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp
 msgid "Solo"
-msgstr ""
+msgstr "Sólo"
 
 #: editor/editor_audio_buses.cpp
 msgid "Mute"
-msgstr ""
+msgstr "Stlmiť"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bypass"
-msgstr ""
+msgstr "Obísť"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bus options"
@@ -1116,19 +1120,19 @@ msgstr ""
 #: editor/editor_audio_buses.cpp editor/filesystem_dock.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "Duplicate"
-msgstr ""
+msgstr "Duplikovať"
 
 #: editor/editor_audio_buses.cpp
 msgid "Reset Volume"
-msgstr ""
+msgstr "Obnoviť Hlasitosť"
 
 #: editor/editor_audio_buses.cpp
 msgid "Delete Effect"
-msgstr ""
+msgstr "Odstrániť Efekt"
 
 #: editor/editor_audio_buses.cpp
 msgid "Audio"
-msgstr ""
+msgstr "Audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Audio Bus"
@@ -1168,7 +1172,7 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp
 msgid "There is no 'res://default_bus_layout.tres' file."
-msgstr ""
+msgstr "Neexistuje žiadny súbor \"res://default_bus_layout.tres\"."
 
 #: editor/editor_audio_buses.cpp
 msgid "Invalid file, not an audio bus layout."
@@ -1186,7 +1190,7 @@ msgstr ""
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
 #: editor/script_create_dialog.cpp
 msgid "Load"
-msgstr ""
+msgstr "Na�ítať"
 
 #: editor/editor_audio_buses.cpp
 #, fuzzy
@@ -1195,7 +1199,7 @@ msgstr "Popis:"
 
 #: editor/editor_audio_buses.cpp
 msgid "Save As"
-msgstr ""
+msgstr "Uložiť Ako"
 
 #: editor/editor_audio_buses.cpp
 msgid "Save this Bus Layout to a file."
@@ -1203,7 +1207,7 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp editor/import_dock.cpp
 msgid "Load Default"
-msgstr ""
+msgstr "Na�ítať predvolené"
 
 #: editor/editor_audio_buses.cpp
 msgid "Load the default Bus Layout."
@@ -1215,7 +1219,7 @@ msgstr ""
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name."
-msgstr ""
+msgstr "Neplatný Názov."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Valid characters:"
@@ -1358,8 +1362,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1412,7 +1430,7 @@ msgstr "Otvoriť súbor"
 msgid "New Folder..."
 msgstr "Vytvoriť adresár"
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1487,10 +1505,32 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Vytvoriť adresár"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Vytvoriť adresár"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Prie�inky a Súbory:"
@@ -1721,8 +1761,8 @@ msgstr "Popis:"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1731,6 +1771,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2979,14 +3029,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3126,10 +3168,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5106,19 +5144,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5209,11 +5247,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5812,6 +5850,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6884,6 +6930,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Popis:"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7039,6 +7102,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Vytvoriť adresár"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Všetky vybrané"
@@ -7165,6 +7237,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9775,6 +9851,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9789,6 +9871,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9933,6 +10021,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9941,6 +10037,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Vytvoriť adresár"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/sl.po b/editor/translations/sl.po
index 3af3c9d835..a18d140b17 100644
--- a/editor/translations/sl.po
+++ b/editor/translations/sl.po
@@ -1401,8 +1401,22 @@ msgstr "Pakiranje"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1454,7 +1468,7 @@ msgstr "Pokaži V Upravitelju Datotek"
 msgid "New Folder..."
 msgstr "Nova Mapa..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Osveži"
 
@@ -1529,10 +1543,35 @@ msgstr "Premakni Priljubljeno Navzgor"
 msgid "Move Favorite Down"
 msgstr "Premakni Priljubljeno Navzdol"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Prejšnji zavihek"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Ustvarite Mapo"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Pojdi v nadrejeno mapo"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Mape ni mogo�e ustvariti."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Oglejte si elemente, kot mrežo sli�ic"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Oglejte si elemente v seznamu"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Mape & Datoteke:"
@@ -1772,9 +1811,9 @@ msgstr "Po�isti Izhod"
 msgid "Project export failed with error code %d."
 msgstr "Izvoz projekta ni uspelo s kodno napako %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Napaka pri shranjevanju virov!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1782,6 +1821,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Napaka pri shranjevanju virov!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Shrani Vire Kot..."
 
@@ -3099,16 +3148,6 @@ msgstr ""
 "sistemu!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Oglejte si elemente, kot mrežo sli�ic"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Oglejte si elemente v seznamu"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Stanje: Uvoz datoteke ni uspel. Popravi datoteko in ponovno ro�no uvozi."
@@ -3253,11 +3292,6 @@ msgid "Search files"
 msgstr "Iš�i Razrede"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-"Naredi primer iz izbranih prizorov, ki bo naslednik izbranega gradnika."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5296,19 +5330,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5399,11 +5433,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6018,6 +6052,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7103,6 +7145,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Prejšnji zavihek"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7258,6 +7317,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Ustvarite Poligon"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Odstrani Predlogo"
@@ -7389,6 +7457,10 @@ msgid "Exporting All"
 msgstr "Izvozi"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10015,6 +10087,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10029,6 +10107,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10179,6 +10263,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Dodaj trenutno barvo kot prednastavljeno"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Opozorilo!"
@@ -10187,6 +10279,11 @@ msgstr "Opozorilo!"
 msgid "Please Confirm..."
 msgstr "Prosimo Potrdite..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Pojdi v nadrejeno mapo"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10263,6 +10360,10 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr ""
+#~ "Naredi primer iz izbranih prizorov, ki bo naslednik izbranega gradnika."
+
 #~ msgid "Line:"
 #~ msgstr "Vrstica:"
 
diff --git a/editor/translations/sq.po b/editor/translations/sq.po
index 23c2f02d7a..f3b24cc2f5 100644
--- a/editor/translations/sq.po
+++ b/editor/translations/sq.po
@@ -3,30 +3,33 @@
 # Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)
 # This file is distributed under the same license as the Godot source code.
 # Igli <iglibh@outlook.com>, 2018.
+# Enrik Qose <enrikqose@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
-"PO-Revision-Date: 2018-12-29 12:09+0000\n"
-"Last-Translator: Igli <iglibh@outlook.com>\n"
+"PO-Revision-Date: 2019-03-24 17:38+0000\n"
+"Last-Translator: Enrik Qose <enrikqose@gmail.com>\n"
 "Language-Team: Albanian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/sq/>\n"
 "Language: sq\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8-bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.4-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
 msgid "Invalid type argument to convert(), use TYPE_* constants."
 msgstr ""
-"Lloji i argumentit i gabuar për t'u konvertuar, përdor TYPE_* konstantet."
+"Tipi i argumentit i pa lejuar për tu konvertuar me convert(), përdor "
+"konstantet TYPE_*."
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/mono/glue/gd_glue.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
 msgid "Not enough bytes for decoding bytes, or invalid format."
-msgstr "Jo mjaftueshëm bite për çkodim të biteve, ose format i gabuar."
+msgstr ""
+"Bajte (byte) të pa mjaftueshem për çkodim të bajteve, ose format i gabuar."
 
 #: core/math/expression.cpp
 msgid "Invalid input %i (not passed) in expression"
@@ -34,7 +37,7 @@ msgstr "Input i gabuar %i (nuk kaloi) në shprehje"
 
 #: core/math/expression.cpp
 msgid "self can't be used because instance is null (not passed)"
-msgstr "self nuk mund të përdoret sepse instance është null (nuk kaloi)"
+msgstr "'self' nuk mund të përdoret sepse instanca është 'null' (nuk kaloi)"
 
 #: core/math/expression.cpp
 msgid "Invalid operands to operator %s, %s and %s."
@@ -42,15 +45,15 @@ msgstr "Operandë të gabuar për operatorët %s, %s dhe %s."
 
 #: core/math/expression.cpp
 msgid "Invalid index of type %s for base type %s"
-msgstr "Index i gabuar i llojit %s për llojin bazë %s"
+msgstr "Indeksi i gabuar i llojit %s për llojin bazë %s"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
-msgstr "Index i emërtuar gabimisht '%s' për llojin bazë %s"
+msgstr "Indeksi i emërtuar gabimisht '%s' për llojin bazë %s"
 
 #: core/math/expression.cpp
 msgid "Invalid arguments to construct '%s'"
-msgstr "Argument i gabuar për të ndërtuar '%s'"
+msgstr "Argumente të gabuar për të ndërtuar '%s'"
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
@@ -59,11 +62,11 @@ msgstr "Në thërritje të '%s':"
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr "Falas"
+msgstr "Liro"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
-msgstr "I balancuar"
+msgstr "I Balancuar"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Mirror"
@@ -71,15 +74,15 @@ msgstr "Pasqyrë"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
-msgstr "Vendos Key Këtu"
+msgstr "Vendos Çelësin Këtu"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Duplicate Selected Key(s)"
-msgstr "Dyfisho Key(s) të Selektuar"
+msgstr "Dyfisho Çelësat e Zgjedhur"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Delete Selected Key(s)"
-msgstr "Fshi Key(s) të Selektuar"
+msgstr "Fshi Çelësat e Zgjedhur"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Add Bezier Point"
@@ -118,26 +121,25 @@ msgid "Anim Change Call"
 msgstr ""
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Përsëritje Animacioni"
+msgstr "Ndrysho Gjatësin e Animacionit"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "Ndrysho Ciklin e Animacionit"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
-msgstr ""
+msgstr "Binari i Vetive"
 
 #: editor/animation_track_editor.cpp
 msgid "3D Transform Track"
-msgstr ""
+msgstr "Binari i Transformimeve 3D"
 
 #: editor/animation_track_editor.cpp
 msgid "Call Method Track"
-msgstr ""
+msgstr "Binari i Thërritjes së Metodave"
 
 #: editor/animation_track_editor.cpp
 msgid "Bezier Curve Track"
@@ -145,15 +147,15 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Audio Playback Track"
-msgstr ""
+msgstr "Binari i Ridëgjimit të Audios"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Playback Track"
-msgstr ""
+msgstr "Binari i Rishikimit të Animacionit"
 
 #: editor/animation_track_editor.cpp
 msgid "Add Track"
-msgstr ""
+msgstr "Shto Binarë"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Length Time (seconds)"
@@ -210,7 +212,7 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
-msgstr "I vazhdueshëm:"
+msgstr "I Vazhdueshëm"
 
 #: editor/animation_track_editor.cpp
 msgid "Discrete"
@@ -267,9 +269,8 @@ msgid "Change Animation Interpolation Mode"
 msgstr ""
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Përsëritje Animacioni"
+msgstr "Ndrysho Metodën e Përsëritjes së Animacionit"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -313,9 +314,8 @@ msgid "Anim Insert Key"
 msgstr ""
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Pastro Animacionin"
+msgstr "Ndrysho Hapin e Animacionit"
 
 #: editor/animation_track_editor.cpp
 msgid "Rearrange Tracks"
@@ -532,9 +532,8 @@ msgid "Copy"
 msgstr ""
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Klipe Audio:"
+msgstr "Shto Klip Audio"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
@@ -628,13 +627,13 @@ msgstr ""
 
 #: editor/connections_dialog.cpp
 msgid "Connect To Node:"
-msgstr ""
+msgstr "Lidhë me Nyjen:"
 
 #: editor/connections_dialog.cpp editor/editor_autoload_settings.cpp
 #: editor/groups_editor.cpp editor/plugins/item_list_editor_plugin.cpp
 #: editor/plugins/theme_editor_plugin.cpp editor/project_settings_editor.cpp
 msgid "Add"
-msgstr ""
+msgstr "Shto"
 
 #: editor/connections_dialog.cpp editor/dependency_editor.cpp
 #: editor/groups_editor.cpp editor/plugins/animation_player_editor_plugin.cpp
@@ -643,7 +642,7 @@ msgstr ""
 #: editor/plugins/theme_editor_plugin.cpp editor/project_manager.cpp
 #: editor/project_settings_editor.cpp
 msgid "Remove"
-msgstr ""
+msgstr "Hiq"
 
 #: editor/connections_dialog.cpp
 msgid "Add Extra Call Argument:"
@@ -681,155 +680,159 @@ msgstr ""
 #: editor/run_settings_dialog.cpp editor/settings_config_dialog.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Close"
-msgstr ""
+msgstr "Mbyll"
 
 #: editor/connections_dialog.cpp
 msgid "Connect"
-msgstr ""
+msgstr "Lidh"
 
 #: editor/connections_dialog.cpp
 msgid "Connect '%s' to '%s'"
-msgstr ""
+msgstr "Lidh '%s' me '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect '%s' from '%s'"
-msgstr ""
+msgstr "Shkëput '%s' nga '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect all from signal: '%s'"
-msgstr ""
+msgstr "Shkëputi të gjith nga sinjali: '%s'"
 
 #: editor/connections_dialog.cpp
 msgid "Connect..."
-msgstr ""
+msgstr "Lidh..."
 
 #: editor/connections_dialog.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 msgid "Disconnect"
-msgstr ""
+msgstr "Shkëput"
 
 #: editor/connections_dialog.cpp
 msgid "Connect Signal: "
-msgstr ""
+msgstr "Lidh Sinjalin: "
 
 #: editor/connections_dialog.cpp
 msgid "Edit Connection: "
-msgstr ""
+msgstr "Modifiko Lidhjen: "
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from the \"%s\" signal?"
-msgstr ""
+msgstr "A jeni i sigurt që do të heqësh të gjitha lidhjet nga sinjali \"%s\"?"
 
 #: editor/connections_dialog.cpp editor/editor_help.cpp editor/node_dock.cpp
 msgid "Signals"
-msgstr ""
+msgstr "Sinjalet"
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from this signal?"
-msgstr ""
+msgstr "A jeni i sigurt që doni të hiqni të gjitha lidhjet nga ky sinjal?"
 
 #: editor/connections_dialog.cpp
 msgid "Disconnect All"
-msgstr ""
+msgstr "Shkëputi të Gjitha"
 
 #: editor/connections_dialog.cpp
 msgid "Edit..."
-msgstr ""
+msgstr "Modifiko..."
 
 #: editor/connections_dialog.cpp
 msgid "Go To Method"
-msgstr ""
+msgstr "Shko te Metoda"
 
 #: editor/create_dialog.cpp
 msgid "Change %s Type"
-msgstr ""
+msgstr "Ndrysho Tipin e %s"
 
 #: editor/create_dialog.cpp editor/project_settings_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Change"
-msgstr ""
+msgstr "Ndrysho"
 
 #: editor/create_dialog.cpp
 msgid "Create New %s"
-msgstr ""
+msgstr "Krijo %s të ri"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp
 msgid "Favorites:"
-msgstr ""
+msgstr "Të Preferuarat:"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 msgid "Recent:"
-msgstr ""
+msgstr "Të fundit:"
 
 #: editor/create_dialog.cpp editor/plugins/asset_library_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp editor/project_manager.cpp
 #: editor/property_selector.cpp editor/quick_open.cpp
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Search:"
-msgstr ""
+msgstr "Kërko:"
 
 #: editor/create_dialog.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/property_selector.cpp editor/quick_open.cpp
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Matches:"
-msgstr ""
+msgstr "Përputhjet:"
 
 #: editor/create_dialog.cpp editor/plugin_config_dialog.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp editor/property_selector.cpp
 #: modules/visual_script/visual_script_property_selector.cpp
 msgid "Description:"
-msgstr ""
+msgstr "Përshkrimi:"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement For:"
-msgstr ""
+msgstr "Kërko Zëvendësimin Për:"
 
 #: editor/dependency_editor.cpp
 msgid "Dependencies For:"
-msgstr ""
+msgstr "Varësit Për:"
 
 #: editor/dependency_editor.cpp
 msgid ""
 "Scene '%s' is currently being edited.\n"
 "Changes will not take effect unless reloaded."
 msgstr ""
+"Skena '%s' është duke u modifikuar.\n"
+"Ndryshimet nuk do të kenë efekt në qoftë se nuk ringarkohet."
 
 #: editor/dependency_editor.cpp
 msgid ""
 "Resource '%s' is in use.\n"
 "Changes will take effect when reloaded."
 msgstr ""
+"Resursi '%s' është në përdorim.\n"
+"Ndryshimet do të marrin efekt kur të ringarkohet."
 
 #: editor/dependency_editor.cpp
 #: modules/gdnative/gdnative_library_editor_plugin.cpp
 msgid "Dependencies"
-msgstr ""
+msgstr "Varësitë"
 
 #: editor/dependency_editor.cpp
 msgid "Resource"
-msgstr ""
+msgstr "Resursi"
 
 #: editor/dependency_editor.cpp editor/editor_autoload_settings.cpp
 #: editor/project_settings_editor.cpp editor/script_create_dialog.cpp
 msgid "Path"
-msgstr ""
+msgstr "Rrugë"
 
 #: editor/dependency_editor.cpp
 msgid "Dependencies:"
-msgstr ""
+msgstr "Varësitë:"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Broken"
-msgstr ""
+msgstr "Rregullo të Thyerat"
 
 #: editor/dependency_editor.cpp
 msgid "Dependency Editor"
-msgstr ""
+msgstr "Editori i Varësive"
 
 #: editor/dependency_editor.cpp
 msgid "Search Replacement Resource:"
-msgstr ""
+msgstr "Kërko Resursin Zëvendësues:"
 
 #: editor/dependency_editor.cpp editor/editor_file_dialog.cpp
 #: editor/editor_help_search.cpp editor/editor_node.cpp
@@ -839,15 +842,15 @@ msgstr ""
 #: modules/visual_script/visual_script_property_selector.cpp
 #: scene/gui/file_dialog.cpp
 msgid "Open"
-msgstr ""
+msgstr "Hap"
 
 #: editor/dependency_editor.cpp
 msgid "Owners Of:"
-msgstr ""
+msgstr "Pronarët e:"
 
 #: editor/dependency_editor.cpp
 msgid "Remove selected files from the project? (no undo)"
-msgstr ""
+msgstr "Hiq skedarët e zgjedhur nga projekti? (pa kthim pas)"
 
 #: editor/dependency_editor.cpp
 msgid ""
@@ -855,54 +858,57 @@ msgid ""
 "work.\n"
 "Remove them anyway? (no undo)"
 msgstr ""
+"Skedarët që do të hiqen janë të kërkuara nga resurse të tjera në mënyrë që "
+"ato të funksionojnë.\n"
+"Hiqi gjithsesi? (pa kthim pas)"
 
 #: editor/dependency_editor.cpp editor/export_template_manager.cpp
 msgid "Cannot remove:"
-msgstr ""
+msgstr "Nuk mund të heqësh:"
 
 #: editor/dependency_editor.cpp
 msgid "Error loading:"
-msgstr ""
+msgstr "Gabim gjatë ngarkimit:"
 
 #: editor/dependency_editor.cpp
 msgid "Load failed due to missing dependencies:"
-msgstr ""
+msgstr "Ngrakimi dështoi për shkak të varësive të munguara:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Open Anyway"
-msgstr ""
+msgstr "Hap Gjithsesi"
 
 #: editor/dependency_editor.cpp
 msgid "Which action should be taken?"
-msgstr ""
+msgstr "Cili veprim duhet të kryet?"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Dependencies"
-msgstr ""
+msgstr "Rregullo Varësitë"
 
 #: editor/dependency_editor.cpp
 msgid "Errors loading!"
-msgstr ""
+msgstr "Gabimet janë duke u ngarkuar!"
 
 #: editor/dependency_editor.cpp
 msgid "Permanently delete %d item(s)? (No undo!)"
-msgstr ""
+msgstr "Përfundimisht fshi %d artikuj? (pa kthim pas)"
 
 #: editor/dependency_editor.cpp
 msgid "Owns"
-msgstr ""
+msgstr "Zotëron"
 
 #: editor/dependency_editor.cpp
 msgid "Resources Without Explicit Ownership:"
-msgstr ""
+msgstr "Resurset Pa Zotërues Të Caktuar:"
 
 #: editor/dependency_editor.cpp editor/editor_node.cpp
 msgid "Orphan Resource Explorer"
-msgstr ""
+msgstr "Eksploruesi I Resurseve Pa Zotërues"
 
 #: editor/dependency_editor.cpp
 msgid "Delete selected files?"
-msgstr ""
+msgstr "Fshi skedarët e zgjedhur?"
 
 #: editor/dependency_editor.cpp editor/editor_audio_buses.cpp
 #: editor/editor_file_dialog.cpp editor/editor_node.cpp
@@ -910,79 +916,79 @@ msgstr ""
 #: editor/plugins/sprite_frames_editor_plugin.cpp editor/project_export.cpp
 #: editor/project_settings_editor.cpp editor/scene_tree_dock.cpp
 msgid "Delete"
-msgstr ""
+msgstr "Fshi"
 
 #: editor/dictionary_property_edit.cpp
 msgid "Change Dictionary Key"
-msgstr ""
+msgstr "Ndrysho Çelësin e Fjalorit"
 
 #: editor/dictionary_property_edit.cpp
 msgid "Change Dictionary Value"
-msgstr ""
+msgstr "Ndrysho Vlerën e Fjalorit"
 
 #: editor/editor_about.cpp
 msgid "Thanks from the Godot community!"
-msgstr ""
+msgstr "Faleminderit nga komuniteti i Godot!"
 
 #: editor/editor_about.cpp
 msgid "Godot Engine contributors"
-msgstr ""
+msgstr "Kontribuesit e Godot Engine"
 
 #: editor/editor_about.cpp
 msgid "Project Founders"
-msgstr ""
+msgstr "Themeluesit e Projektit"
 
 #: editor/editor_about.cpp
 msgid "Lead Developer"
-msgstr ""
+msgstr "Krye Zhvilluesi"
 
 #: editor/editor_about.cpp
 msgid "Project Manager "
-msgstr ""
+msgstr "Menaxheri Projektit "
 
 #: editor/editor_about.cpp
 msgid "Developers"
-msgstr ""
+msgstr "Zhvilluesit"
 
 #: editor/editor_about.cpp
 msgid "Authors"
-msgstr ""
+msgstr "Autorët"
 
 #: editor/editor_about.cpp
 msgid "Platinum Sponsors"
-msgstr ""
+msgstr "Sponsorat Platinium"
 
 #: editor/editor_about.cpp
 msgid "Gold Sponsors"
-msgstr ""
+msgstr "Sponsorat Flori"
 
 #: editor/editor_about.cpp
 msgid "Mini Sponsors"
-msgstr ""
+msgstr "Mini Sponsorat"
 
 #: editor/editor_about.cpp
 msgid "Gold Donors"
-msgstr ""
+msgstr "Dhuruesit Flori"
 
 #: editor/editor_about.cpp
 msgid "Silver Donors"
-msgstr ""
+msgstr "Dhuruesit Argjend"
 
 #: editor/editor_about.cpp
 msgid "Bronze Donors"
-msgstr ""
+msgstr "Dhuruesit Bronz"
 
 #: editor/editor_about.cpp
 msgid "Donors"
-msgstr ""
+msgstr "Dhuruesit"
 
 #: editor/editor_about.cpp
 msgid "License"
-msgstr ""
+msgstr "Liçensa"
 
 #: editor/editor_about.cpp
 msgid "Thirdparty License"
-msgstr ""
+msgstr "Liçensa të palëve të treta"
 
 #: editor/editor_about.cpp
 msgid ""
@@ -991,52 +997,56 @@ msgid ""
 "is an exhaustive list of all such thirdparty components with their "
 "respective copyright statements and license terms."
 msgstr ""
+"Godot Engine mbështetet në nje numër librarish falas dhe 'open source' "
+"palësh të treta, të gjitha në përshtatje me liçensen MIT. Më poshtë është "
+"një listë e këtyre komponentëve së bashku me deklaratat e tyre për të "
+"drejtat e autorit dhe termat e liçensës."
 
 #: editor/editor_about.cpp
 msgid "All Components"
-msgstr ""
+msgstr "Të Gjithë Komponentët"
 
 #: editor/editor_about.cpp
 msgid "Components"
-msgstr ""
+msgstr "Komponentët"
 
 #: editor/editor_about.cpp
 msgid "Licenses"
-msgstr ""
+msgstr "Liçensat"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Error opening package file, not in zip format."
-msgstr ""
+msgstr "Gabim në hapjen e skedarit paketë, nuk është në formatin zip."
 
 #: editor/editor_asset_installer.cpp
 msgid "Uncompressing Assets"
-msgstr ""
+msgstr "Duke Dekompresuar Asetet"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
 msgid "Package installed successfully!"
-msgstr ""
+msgstr "Paketa u instalua me sukses!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Success!"
-msgstr ""
+msgstr "Sukses!"
 
 #: editor/editor_asset_installer.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Install"
-msgstr ""
+msgstr "Instalo"
 
 #: editor/editor_asset_installer.cpp
 msgid "Package Installer"
-msgstr ""
+msgstr "Instaluesi Paketave"
 
 #: editor/editor_audio_buses.cpp
 msgid "Speakers"
-msgstr ""
+msgstr "Folësit"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Effect"
-msgstr ""
+msgstr "Shto Efekt"
 
 #: editor/editor_audio_buses.cpp
 msgid "Rename Audio Bus"
@@ -1084,11 +1094,11 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp
 msgid "Mute"
-msgstr ""
+msgstr "Pa Zë"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bypass"
-msgstr ""
+msgstr "Tejkalo"
 
 #: editor/editor_audio_buses.cpp
 msgid "Bus options"
@@ -1097,19 +1107,19 @@ msgstr ""
 #: editor/editor_audio_buses.cpp editor/filesystem_dock.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp editor/scene_tree_dock.cpp
 msgid "Duplicate"
-msgstr ""
+msgstr "Dyfisho"
 
 #: editor/editor_audio_buses.cpp
 msgid "Reset Volume"
-msgstr ""
+msgstr "Rivendos Volumin"
 
 #: editor/editor_audio_buses.cpp
 msgid "Delete Effect"
-msgstr ""
+msgstr "Fshi Efektin"
 
 #: editor/editor_audio_buses.cpp
 msgid "Audio"
-msgstr ""
+msgstr "Audio"
 
 #: editor/editor_audio_buses.cpp
 msgid "Add Audio Bus"
@@ -1167,7 +1177,7 @@ msgstr ""
 #: editor/plugins/animation_player_editor_plugin.cpp editor/property_editor.cpp
 #: editor/script_create_dialog.cpp
 msgid "Load"
-msgstr ""
+msgstr "Ngarko"
 
 #: editor/editor_audio_buses.cpp
 msgid "Load an existing Bus Layout."
@@ -1175,7 +1185,7 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp
 msgid "Save As"
-msgstr ""
+msgstr "Ruaje Si"
 
 #: editor/editor_audio_buses.cpp
 msgid "Save this Bus Layout to a file."
@@ -1183,7 +1193,7 @@ msgstr ""
 
 #: editor/editor_audio_buses.cpp editor/import_dock.cpp
 msgid "Load Default"
-msgstr ""
+msgstr "Ngarko të Parazgjedhur"
 
 #: editor/editor_audio_buses.cpp
 msgid "Load the default Bus Layout."
@@ -1195,357 +1205,402 @@ msgstr ""
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name."
-msgstr ""
+msgstr "Emër i palejuar."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Valid characters:"
-msgstr ""
+msgstr "Karakteret e lejuar:"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing engine class name."
 msgstr ""
+"Emër i palejuar. Nuk duhet të përplaset me emrin e një klase egzistuese të "
+"programit."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing buit-in type name."
-msgstr ""
+msgstr "Emër i palejuar. Nuk duhet të përplaset me emrin e një tipi 'buit-in'."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid name. Must not collide with an existing global constant name."
 msgstr ""
+"Emër i palejuar. Nuk duhet të përplaset me emrin e një konstante globale."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Autoload '%s' already exists!"
-msgstr ""
+msgstr "Autoload '%s' egziston!"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Rename Autoload"
-msgstr ""
+msgstr "Riemërto Autoload-in"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Toggle AutoLoad Globals"
-msgstr ""
+msgstr "Ndrysho Globalet e AutoLoad-it"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Move Autoload"
-msgstr ""
+msgstr "Lëviz Autoload-in"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Remove Autoload"
-msgstr ""
+msgstr "Hiq Autoload-in"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Enable"
-msgstr ""
+msgstr "Lejo"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Rearrange Autoloads"
-msgstr ""
+msgstr "Riorganizo Autoload-et"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Invalid Path."
-msgstr ""
+msgstr "Rruga e pasaktë."
 
 #: editor/editor_autoload_settings.cpp
 msgid "File does not exist."
-msgstr ""
+msgstr "Skedari nuk egziston."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Not in resource path."
-msgstr ""
+msgstr "Jo në rrugën e resurseve."
 
 #: editor/editor_autoload_settings.cpp
 msgid "Add AutoLoad"
-msgstr ""
+msgstr "Shto Autoload"
 
 #: editor/editor_autoload_settings.cpp editor/editor_file_dialog.cpp
 #: editor/plugins/animation_tree_editor_plugin.cpp scene/gui/file_dialog.cpp
 msgid "Path:"
-msgstr ""
+msgstr "Rruga:"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Node Name:"
-msgstr ""
+msgstr "Emri i Nyjes:"
 
 #: editor/editor_autoload_settings.cpp editor/editor_help_search.cpp
 #: editor/editor_profiler.cpp editor/settings_config_dialog.cpp
 msgid "Name"
-msgstr ""
+msgstr "Emri"
 
 #: editor/editor_autoload_settings.cpp
 msgid "Singleton"
-msgstr ""
+msgstr "Vetmitar"
 
 #: editor/editor_data.cpp
 msgid "Updating Scene"
-msgstr ""
+msgstr "Duke Përditësuar Skenën"
 
 #: editor/editor_data.cpp
 msgid "Storing local changes..."
-msgstr ""
+msgstr "Duke ruajtur ndryshimet lokale..."
 
 #: editor/editor_data.cpp
 msgid "Updating scene..."
-msgstr ""
+msgstr "Duke përditësuar skenën..."
 
 #: editor/editor_data.cpp editor/editor_properties.cpp
 msgid "[empty]"
-msgstr ""
+msgstr "[bosh]"
 
 #: editor/editor_data.cpp
 msgid "[unsaved]"
-msgstr ""
+msgstr "[e paruajtur]"
 
 #: editor/editor_dir_dialog.cpp
 msgid "Please select a base directory first"
-msgstr ""
+msgstr "Ju lutem zgjidhni direktorin bazë në fillim"
 
 #: editor/editor_dir_dialog.cpp
 msgid "Choose a Directory"
-msgstr ""
+msgstr "Zgjidh një Direktori"
 
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
 msgid "Create Folder"
-msgstr ""
+msgstr "Krijo një Folder"
 
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/editor_plugin_settings.cpp editor/filesystem_dock.cpp
 #: editor/plugins/theme_editor_plugin.cpp editor/project_export.cpp
 #: scene/gui/file_dialog.cpp
 msgid "Name:"
-msgstr ""
+msgstr "Emri:"
 
 #: editor/editor_dir_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp scene/gui/file_dialog.cpp
 msgid "Could not create folder."
-msgstr ""
+msgstr "Nuk mund të krijoj folderin."
 
 #: editor/editor_dir_dialog.cpp
 msgid "Choose"
-msgstr ""
+msgstr "Zgjidh"
 
 #: editor/editor_export.cpp
 msgid "Storing File:"
-msgstr ""
+msgstr "Duke Ruajtur Skedarin:"
 
 #: editor/editor_export.cpp
 msgid "No export template found at the expected path:"
-msgstr ""
+msgstr "Nuk u gjet shabllon eksportimi në rrugën e pritur:"
 
 #: editor/editor_export.cpp
 msgid "Packing"
+msgstr "Duke Paketuar"
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Platforma e përcaktuar kërkon 'ETC' texture compression për GLES2. Lejo "
+"'Import Etc' në Opsionet e Projektit."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
 msgstr ""
+"Platforma e përcaktuar kërkon 'ETC2' texture compression për GLES3. Lejo "
+"'Import Etc 2' në Opsionet e Projektit."
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"Platforma e përcaktuar kërkon 'ETC' texture compression për driver fallback "
+"to GLES2.\n"
+"Lejo 'Import Etc' in Opsionet e Projektit, ose çaktivizo 'Driver Fallback "
+"Enabled'."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
 msgid "Custom debug template not found."
-msgstr ""
+msgstr "Shablloni 'Custom debug' nuk u gjet."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
 #: platform/osx/export/export.cpp platform/uwp/export/export.cpp
 msgid "Custom release template not found."
-msgstr ""
+msgstr "Shablloni 'Custom release' nuk u gjet."
 
 #: editor/editor_export.cpp platform/javascript/export/export.cpp
 msgid "Template file not found:"
-msgstr ""
+msgstr "Skedari shabllon nuk u gjet:"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Select Current Folder"
-msgstr ""
+msgstr "Zgjidh Folderin Aktual"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "File Exists, Overwrite?"
-msgstr ""
+msgstr "Skedari Egziston, Mbishkruaj?"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Select This Folder"
-msgstr ""
+msgstr "Zgjidh Këtë Folder"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "Copy Path"
-msgstr ""
+msgstr "Kopjo Rrugën"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "Open in File Manager"
-msgstr ""
+msgstr "Hap në Menaxherin e Skedarëve"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 #: editor/project_manager.cpp
 msgid "Show in File Manager"
-msgstr ""
+msgstr "Shfaq në Menaxherin e Skedarëve"
 
 #: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
 msgid "New Folder..."
-msgstr ""
+msgstr "Folder i Ri..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
-msgstr ""
+msgstr "Rifresko"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "All Recognized"
-msgstr ""
+msgstr "Të Gjithë të Njohurat"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "All Files (*)"
-msgstr ""
+msgstr "Të Gjithë Skedarët (*)"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a File"
-msgstr ""
+msgstr "Hap një Skedar"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open File(s)"
-msgstr ""
+msgstr "Hap Skedarët"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a Directory"
-msgstr ""
+msgstr "Hap një Direktori"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Open a File or Directory"
-msgstr ""
+msgstr "Hap një Skedar ose Direktori"
 
 #: editor/editor_file_dialog.cpp editor/editor_node.cpp
 #: editor/editor_properties.cpp editor/inspector_dock.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp scene/gui/file_dialog.cpp
 msgid "Save"
-msgstr ""
+msgstr "Ruaj"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Save a File"
-msgstr ""
+msgstr "Ruaj një Skedar"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Back"
-msgstr ""
+msgstr "Shko Pas"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Forward"
-msgstr ""
+msgstr "Shko Përpara"
 
 #: editor/editor_file_dialog.cpp
 msgid "Go Up"
-msgstr ""
+msgstr "Shko Lartë"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Hidden Files"
-msgstr ""
+msgstr "Ndrysho Skedarët e Fshehur"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Favorite"
-msgstr ""
+msgstr "Ndrysho të Preferuarat"
 
 #: editor/editor_file_dialog.cpp
 msgid "Toggle Mode"
-msgstr ""
+msgstr "Ndrysho Mënyrën"
 
 #: editor/editor_file_dialog.cpp
 msgid "Focus Path"
-msgstr ""
+msgstr "Fokuso Rrugën"
 
 #: editor/editor_file_dialog.cpp
 msgid "Move Favorite Up"
-msgstr ""
+msgstr "Lëviz të Preferuarën Lartë"
 
 #: editor/editor_file_dialog.cpp
 msgid "Move Favorite Down"
-msgstr ""
+msgstr "Lëviz të Preferuarën Poshtë"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Folderi i Mëparshëm"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "Folderi Tjetër"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
-msgstr ""
+msgstr "Shko te folderi prind"
+
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Hiqe nga të preferuarat folderin aktual."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Shiko artikujt si një rrjet kornizash."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Shiko artikujt si nje list."
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
-msgstr ""
+msgstr "Direktorit & Skedarët:"
 
 #: editor/editor_file_dialog.cpp editor/plugins/sprite_editor_plugin.cpp
 #: editor/plugins/style_box_editor_plugin.cpp
 msgid "Preview:"
-msgstr ""
+msgstr "Shikim paraprak:"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "File:"
-msgstr ""
+msgstr "Skedar:"
 
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Must use a valid extension."
-msgstr ""
+msgstr "Duhet të perdorësh një shtesë të lejuar."
 
 #: editor/editor_file_system.cpp
 msgid "ScanSources"
-msgstr ""
+msgstr "SkanoBurimet"
 
 #: editor/editor_file_system.cpp
 msgid "(Re)Importing Assets"
-msgstr ""
+msgstr "Duke (Ri)Importuar Asetet"
 
 #: editor/editor_help.cpp editor/plugins/spatial_editor_plugin.cpp
 msgid "Top"
-msgstr ""
+msgstr "Siper"
 
 #: editor/editor_help.cpp
 msgid "Class:"
-msgstr ""
+msgstr "Klasa:"
 
 #: editor/editor_help.cpp editor/scene_tree_editor.cpp
 msgid "Inherits:"
-msgstr ""
+msgstr "Trashëgon:"
 
 #: editor/editor_help.cpp
 msgid "Inherited by:"
-msgstr ""
+msgstr "E trashëguar nga:"
 
 #: editor/editor_help.cpp
 msgid "Brief Description:"
-msgstr ""
+msgstr "Përshkrim i Shkurtër:"
 
 #: editor/editor_help.cpp
 msgid "Properties"
-msgstr ""
+msgstr "Vetitë"
 
 #: editor/editor_help.cpp
 msgid "Properties:"
-msgstr ""
+msgstr "Vetitë:"
 
 #: editor/editor_help.cpp
 msgid "Methods"
-msgstr ""
+msgstr "Metodat"
 
 #: editor/editor_help.cpp
 msgid "Methods:"
-msgstr ""
+msgstr "Metodat:"
 
 #: editor/editor_help.cpp
 msgid "Theme Properties"
-msgstr ""
+msgstr "Vetitë e Temës"
 
 #: editor/editor_help.cpp
 msgid "Theme Properties:"
-msgstr ""
+msgstr "Vetitë e Temës:"
 
 #: editor/editor_help.cpp modules/visual_script/visual_script_editor.cpp
 msgid "Signals:"
-msgstr ""
+msgstr "Sinjalet:"
 
 #: editor/editor_help.cpp
 msgid "Enumerations"
-msgstr ""
+msgstr "Enumeracionet"
 
 #: editor/editor_help.cpp
 msgid "Enumerations:"
-msgstr ""
+msgstr "Enumeracionet:"
 
 #: editor/editor_help.cpp
 msgid "enum  "
@@ -1553,23 +1608,23 @@ msgstr ""
 
 #: editor/editor_help.cpp
 msgid "Constants"
-msgstr ""
+msgstr "Konstantet"
 
 #: editor/editor_help.cpp
 msgid "Constants:"
-msgstr ""
+msgstr "Konstantet:"
 
 #: editor/editor_help.cpp
 msgid "Class Description"
-msgstr ""
+msgstr "Përshkrimi i Klasës"
 
 #: editor/editor_help.cpp
 msgid "Class Description:"
-msgstr ""
+msgstr "Përshkrimi i Klasës:"
 
 #: editor/editor_help.cpp
 msgid "Online Tutorials:"
-msgstr ""
+msgstr "Tutorialet Online:"
 
 #: editor/editor_help.cpp
 msgid ""
@@ -1577,91 +1632,98 @@ msgid ""
 "$url]contribute one[/url][/color] or [color=$color][url=$url2]request one[/"
 "url][/color]."
 msgstr ""
+"Nuk ka për momentin tutoriale për këtë klas, ti mund të [color=$color][url="
+"$url]contribute one[/url][/color] ose [color=$color][url=$url2]request one[/"
+"url][/color]."
 
 #: editor/editor_help.cpp
 msgid "Property Descriptions"
-msgstr ""
+msgstr "Përshkrimi i Vetive"
 
 #: editor/editor_help.cpp
 msgid "Property Descriptions:"
-msgstr ""
+msgstr "Përshkrimi i Vetive:"
 
 #: editor/editor_help.cpp
 msgid ""
 "There is currently no description for this property. Please help us by "
 "[color=$color][url=$url]contributing one[/url][/color]!"
 msgstr ""
+"Nuk ka për momentin përshkrim për këtë veti. Të lutem na ndihmo duke  [color="
+"$color][url=$url]contributing one[/url][/color]!"
 
 #: editor/editor_help.cpp
 msgid "Method Descriptions"
-msgstr ""
+msgstr "Përshkrimi i Metodës"
 
 #: editor/editor_help.cpp
 msgid "Method Descriptions:"
-msgstr ""
+msgstr "Përshkrimi i Metodes:"
 
 #: editor/editor_help.cpp
 msgid ""
 "There is currently no description for this method. Please help us by [color="
 "$color][url=$url]contributing one[/url][/color]!"
 msgstr ""
+"Nuk ka për momentin një përshkrim për këtë metod. Të lutem na ndihmo duke "
+"[color=$color][url=$url]contributing one[/url][/color]!"
 
 #: editor/editor_help_search.cpp editor/editor_node.cpp
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Search Help"
-msgstr ""
+msgstr "Kërko Ndihmë"
 
 #: editor/editor_help_search.cpp
 msgid "Display All"
-msgstr ""
+msgstr "Shfaqi të Gjitha"
 
 #: editor/editor_help_search.cpp
 msgid "Classes Only"
-msgstr ""
+msgstr "Vetëm Klasat"
 
 #: editor/editor_help_search.cpp
 msgid "Methods Only"
-msgstr ""
+msgstr "Vetëm Metodat"
 
 #: editor/editor_help_search.cpp
 msgid "Signals Only"
-msgstr ""
+msgstr "Vetëm Sinjalet"
 
 #: editor/editor_help_search.cpp
 msgid "Constants Only"
-msgstr ""
+msgstr "Vetëm Konstantet"
 
 #: editor/editor_help_search.cpp
 msgid "Properties Only"
-msgstr ""
+msgstr "Vetëm Vetitë"
 
 #: editor/editor_help_search.cpp
 msgid "Theme Properties Only"
-msgstr ""
+msgstr "Vetëm Vetitë e Temës"
 
 #: editor/editor_help_search.cpp
 msgid "Member Type"
-msgstr ""
+msgstr "Tipi i Anëtarit"
 
 #: editor/editor_help_search.cpp
 msgid "Class"
-msgstr ""
+msgstr "Klasa"
 
 #: editor/editor_inspector.cpp editor/project_settings_editor.cpp
 msgid "Property:"
-msgstr ""
+msgstr "Vetitë:"
 
 #: editor/editor_inspector.cpp
 msgid "Set"
-msgstr ""
+msgstr "Vendos"
 
 #: editor/editor_inspector.cpp
 msgid "Set Multiple:"
-msgstr ""
+msgstr "Vendos të Shumëfishta:"
 
 #: editor/editor_log.cpp
 msgid "Output:"
-msgstr ""
+msgstr "Përfundimi:"
 
 #: editor/editor_log.cpp editor/editor_profiler.cpp
 #: editor/editor_properties.cpp
@@ -1671,124 +1733,140 @@ msgstr ""
 #: modules/gdnative/gdnative_library_editor_plugin.cpp scene/gui/line_edit.cpp
 #: scene/gui/text_edit.cpp
 msgid "Clear"
-msgstr ""
+msgstr "Pastro"
 
 #: editor/editor_log.cpp
 msgid "Clear Output"
-msgstr ""
+msgstr "Pastro Përfundimin"
 
 #: editor/editor_node.cpp
 msgid "Project export failed with error code %d."
-msgstr ""
+msgstr "Eksportimi i projektit dështoi me kodin e gabimit %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr ""
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "Resurset e importuara nuk mund të ruhen."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
 msgid "OK"
+msgstr "Në rregull"
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Gabim duke ruajtur resurset!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
 msgstr ""
+"Ky resurs nuk mund të ruhet sepse nuk i përket skenës së modifikuar. Bëje më "
+"parë unik."
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
-msgstr ""
+msgstr "Ruaj Resurset Si..."
 
 #: editor/editor_node.cpp
 msgid "Can't open file for writing:"
-msgstr ""
+msgstr "Nuk mund të hapi skedarin për të shkruajtur:"
 
 #: editor/editor_node.cpp
 msgid "Requested file format unknown:"
-msgstr ""
+msgstr "Formati i skedarit të kërkuar është i panjohur:"
 
 #: editor/editor_node.cpp
 msgid "Error while saving."
-msgstr ""
+msgstr "Gabim gjatë ruajtjes."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Can't open '%s'. The file could have been moved or deleted."
-msgstr ""
+msgstr "Nuk mund të hapi '%s'. Skedari mund te jetë lëvizur ose fshirë."
 
 #: editor/editor_node.cpp
 msgid "Error while parsing '%s'."
-msgstr ""
+msgstr "Gabim gjatë analizës gramatikore '%s'."
 
 #: editor/editor_node.cpp
 msgid "Unexpected end of file '%s'."
-msgstr ""
+msgstr "Mbarim i papritur i skedarit '%s'."
 
 #: editor/editor_node.cpp
 msgid "Missing '%s' or its dependencies."
-msgstr ""
+msgstr "Mungesë e '%s' ose e varësive të tij."
 
 #: editor/editor_node.cpp
 msgid "Error while loading '%s'."
-msgstr ""
+msgstr "Gabim gjatë ngarkimit të '%s'."
 
 #: editor/editor_node.cpp
 msgid "Saving Scene"
-msgstr ""
+msgstr "Duke Ruajtur Skenën"
 
 #: editor/editor_node.cpp
 msgid "Analyzing"
-msgstr ""
+msgstr "Duke Analizuar"
 
 #: editor/editor_node.cpp
 msgid "Creating Thumbnail"
-msgstr ""
+msgstr "Duke Krijuar Kornizat"
 
 #: editor/editor_node.cpp
 msgid "This operation can't be done without a tree root."
-msgstr ""
+msgstr "Ky veprim nuk mund të kryhet pa një rrënjë të pemës."
 
 #: editor/editor_node.cpp
 msgid ""
 "This scene can't be saved because there is a cyclic instancing inclusion.\n"
 "Please resolve it and then attempt to save again."
 msgstr ""
+"Skena nuk mund të ruhet sepse ndodhet një instancim ciklik.\n"
+"Të lutem rregulloje dhe më pas provoje ta ruash përsëri."
 
 #: editor/editor_node.cpp
 msgid ""
 "Couldn't save scene. Likely dependencies (instances or inheritance) couldn't "
 "be satisfied."
 msgstr ""
+"Nuk mund ta ruante skenën. Me shumë  mundësi varësitë (instancat ose "
+"trashgimit) nuk mund të plotësohej."
 
 #: editor/editor_node.cpp editor/scene_tree_dock.cpp
 msgid "Can't overwrite scene that is still open!"
-msgstr ""
+msgstr "Nuk mund të mbishkruash skenën që është akoma e hapur!"
 
 #: editor/editor_node.cpp
 msgid "Can't load MeshLibrary for merging!"
-msgstr ""
+msgstr "Nuk mund të ngarkoj 'MeshLibrary' për bashkimin!"
 
 #: editor/editor_node.cpp
 msgid "Error saving MeshLibrary!"
-msgstr ""
+msgstr "Gabim gjatë ruajtjes së MeshLibrary!"
 
 #: editor/editor_node.cpp
 msgid "Can't load TileSet for merging!"
-msgstr ""
+msgstr "Nuk mund të ngarkoj TileSet-in për bashkimin!"
 
 #: editor/editor_node.cpp
 msgid "Error saving TileSet!"
-msgstr ""
+msgstr "Gabim gjatë ruajtjes së TileSet-it!"
 
 #: editor/editor_node.cpp
 msgid "Error trying to save layout!"
-msgstr ""
+msgstr "Gabim duke provuar të ruaj faqosjen!"
 
 #: editor/editor_node.cpp
 msgid "Default editor layout overridden."
-msgstr ""
+msgstr "Faqosja e parazgjedhur e editorit u mbishkel."
 
 #: editor/editor_node.cpp
 msgid "Layout name not found!"
-msgstr ""
+msgstr "Emri i faqosjes nuk u gjet!"
 
 #: editor/editor_node.cpp
 msgid "Restored default layout to base settings."
-msgstr ""
+msgstr "Riktheu faqosjen e parazgjedhur në opsionet bazë."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1796,18 +1874,26 @@ msgid ""
 "Please read the documentation relevant to importing scenes to better "
 "understand this workflow."
 msgstr ""
+"Ky resurs i përket një skene që është e importuar, kështu që nuk mund të "
+"modifikohet.\n"
+"Ju lutem lexoni dokumentimin e përshtatshëm për të importuar skenat dhe të "
+"kuptoni më mirë këtë metodë të punuari."
 
 #: editor/editor_node.cpp
 msgid ""
 "This resource belongs to a scene that was instanced or inherited.\n"
 "Changes to it will not be kept when saving the current scene."
 msgstr ""
+"Ky resurs i përket një skene që është instancuar ose trashëguat.\n"
+"Ndryshimet në të nuk do të ruhen kur të ruani skenën aktuale."
 
 #: editor/editor_node.cpp
 msgid ""
 "This resource was imported, so it's not editable. Change its settings in the "
 "import panel and then re-import."
 msgstr ""
+"Ky resurs është i importuar kështu që nuk mund të modifikohet. Kështu që "
+"ndrysho opsionet e tij në panelin e importit dhe më pas ri-importoje."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1816,6 +1902,10 @@ msgid ""
 "Please read the documentation relevant to importing scenes to better "
 "understand this workflow."
 msgstr ""
+"Kjo skenë është e importuar kështu që ndryshimet në të nuk do të ruhen. "
+"Instancimi ose trashëgimi prej saj do të lejoj të bësh ndryshime në të.\n"
+"Ju lutem lexoni dokumentimin e përshtatshëm për të importuar skenat dhe të "
+"kuptoni më mirë këtë metodë të punuari."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1823,10 +1913,14 @@ msgid ""
 "Please read the documentation relevant to debugging to better understand "
 "this workflow."
 msgstr ""
+"Ky është një objekt në largësi (remote) kështu ndryshimet në të nuk do të "
+"ruhen.\n"
+"Ju lutem lexoni dokumentimin e përshtatshëm për të 'debugging' për të "
+"kuptuar më mirë këtë metodë të punuari."
 
 #: editor/editor_node.cpp
 msgid "There is no defined scene to run."
-msgstr ""
+msgstr "Nuk ka një skenë të përcaktuar për të filluar."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1834,6 +1928,9 @@ msgid ""
 "You can change it later in \"Project Settings\" under the 'application' "
 "category."
 msgstr ""
+"Nuk është përcaktuar një skenë kryesore më parë, zgjidh një?\n"
+"Mund ta ndryshosh më vonë në \"Opsionet e Projektit\" nën kategorin "
+"'aplikacioni'."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1841,6 +1938,9 @@ msgid ""
 "You can change it later in \"Project Settings\" under the 'application' "
 "category."
 msgstr ""
+"Skena e zgjedhur '%s' nuk egziston, zgjidh një të saktë?\n"
+"Mund ta ndryshosh më vonë te \"Opsionet e Projektit\" nën kategorin "
+"'aplikacioni'."
 
 #: editor/editor_node.cpp
 msgid ""
@@ -1848,366 +1948,389 @@ msgid ""
 "You can change it later in \"Project Settings\" under the 'application' "
 "category."
 msgstr ""
+"Skena e zgjedhur nuk është një skedar skene, zgjidh një të saktë?\n"
+"Mund ta ndryshosh më vonë te \"Opsionet e Projektit\" nën kategorin "
+"'aplikacioni'."
 
 #: editor/editor_node.cpp
 msgid "Current scene was never saved, please save it prior to running."
 msgstr ""
+"Skena aktuale nuk është ruajtur më parë, ju lutem ruajeni para se të filloni."
 
 #: editor/editor_node.cpp
 msgid "Could not start subprocess!"
-msgstr ""
+msgstr "Nuk mund të fillojë subprocess-in!"
 
 #: editor/editor_node.cpp
 msgid "Open Scene"
-msgstr ""
+msgstr "Hap Skenën"
 
 #: editor/editor_node.cpp
 msgid "Open Base Scene"
-msgstr ""
+msgstr "Hap Skenën Bazë"
 
 #: editor/editor_node.cpp
 msgid "Quick Open Scene..."
-msgstr ""
+msgstr "Hap Skenën Shpejtë..."
 
 #: editor/editor_node.cpp
 msgid "Quick Open Script..."
-msgstr ""
+msgstr "Hap Shkrimin Shpejt..."
 
 #: editor/editor_node.cpp
 msgid "Save & Close"
-msgstr ""
+msgstr "Ruaj & Mbyll"
 
 #: editor/editor_node.cpp
 msgid "Save changes to '%s' before closing?"
-msgstr ""
+msgstr "Ruaji ndryshimet në '%s' para se ta mbyllësh?"
 
 #: editor/editor_node.cpp
 msgid "Saved %s modified resource(s)."
-msgstr ""
+msgstr "U ruajtën resurset e modifikuara të %s."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Një nyje rrënjë është e kërkuar para se të ruash skenën."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
-msgstr ""
+msgstr "Ruaje Skenën Si..."
 
 #: editor/editor_node.cpp
 msgid "No"
-msgstr ""
+msgstr "Jo"
 
 #: editor/editor_node.cpp
 msgid "Yes"
-msgstr ""
+msgstr "Po"
 
 #: editor/editor_node.cpp
 msgid "This scene has never been saved. Save before running?"
-msgstr ""
+msgstr "Kjo skenë nuk është ruajtur më parë. Ruaje para se të fillosh?"
 
 #: editor/editor_node.cpp editor/scene_tree_dock.cpp
 msgid "This operation can't be done without a scene."
-msgstr ""
+msgstr "Ky veprim nuk mund të kryhet pa një skenë."
 
 #: editor/editor_node.cpp
 msgid "Export Mesh Library"
-msgstr ""
+msgstr "Eksporto Librarinë Mesh"
 
 #: editor/editor_node.cpp
 msgid "This operation can't be done without a root node."
-msgstr ""
+msgstr "Ky veprim nuk mund të kryhet pa një nyje rrënjë."
 
 #: editor/editor_node.cpp
 msgid "Export Tile Set"
-msgstr ""
+msgstr "Eksporto Tile Set"
 
 #: editor/editor_node.cpp
 msgid "This operation can't be done without a selected node."
-msgstr ""
+msgstr "Ky veprim nuk mund të kryhet pa një nyje të zgjedhur."
 
 #: editor/editor_node.cpp
 msgid "Current scene not saved. Open anyway?"
-msgstr ""
+msgstr "Skena aktuale nuk është ruajtur. Hap gjithsesi?"
 
 #: editor/editor_node.cpp
 msgid "Can't reload a scene that was never saved."
-msgstr ""
+msgstr "Nuk mund të ringarkojë një skenë që nuk është ruajtur më parë."
 
 #: editor/editor_node.cpp
 msgid "Revert"
-msgstr ""
+msgstr "Rikthe"
 
 #: editor/editor_node.cpp
 msgid "This action cannot be undone. Revert anyway?"
-msgstr ""
+msgstr "Ky veprim nuk mund të çbëhet. Rikthe gjithsesi?"
 
 #: editor/editor_node.cpp
 msgid "Quick Run Scene..."
-msgstr ""
+msgstr "Hap Skenën Shpejtë..."
 
 #: editor/editor_node.cpp
 msgid "Quit"
-msgstr ""
+msgstr "Dil"
 
 #: editor/editor_node.cpp
 msgid "Exit the editor?"
-msgstr ""
+msgstr "Dil nga editori?"
 
 #: editor/editor_node.cpp
 msgid "Open Project Manager?"
-msgstr ""
+msgstr "Hap Menaxherin e Projekteve?"
 
 #: editor/editor_node.cpp
 msgid "Save & Quit"
-msgstr ""
+msgstr "Ruaj & Dil"
 
 #: editor/editor_node.cpp
 msgid "Save changes to the following scene(s) before quitting?"
-msgstr ""
+msgstr "Ruaj ndryshimet nga skenat e mëposhtme përpara se të dalësh?"
 
 #: editor/editor_node.cpp
 msgid "Save changes the following scene(s) before opening Project Manager?"
 msgstr ""
+"Ruaj ndryshimet ne skenat e mëposhtme para se të hapësh Menaxherin e "
+"Projekteve?"
 
 #: editor/editor_node.cpp
 msgid ""
 "This option is deprecated. Situations where refresh must be forced are now "
 "considered a bug. Please report."
 msgstr ""
+"Ky opsion është hequr. Situatat ku një rifreskim duhet të kryet me forcë "
+"tashmë konsiderohen një 'bug'. Ju lutem reportojeni."
 
 #: editor/editor_node.cpp
 msgid "Pick a Main Scene"
-msgstr ""
+msgstr "Zgjidh një Skenë Kryesore"
 
 #: editor/editor_node.cpp
 msgid "Unable to enable addon plugin at: '%s' parsing of config failed."
 msgstr ""
+"I paaftë të aktivizoj shtojcën në: '%s' analiza gramatikore e 'config' "
+"dështoi."
 
 #: editor/editor_node.cpp
 msgid "Unable to find script field for addon plugin at: 'res://addons/%s'."
-msgstr ""
+msgstr "I paaftë te gjej fushën e shkrimit për shtojcën në: 'res://addons/%s'."
 
 #: editor/editor_node.cpp
 msgid "Unable to load addon script from path: '%s'."
-msgstr ""
+msgstr "I paaftë të ngarkojë shkrimin e shtojcës nga rruga: '%s'."
 
 #: editor/editor_node.cpp
 msgid ""
 "Unable to load addon script from path: '%s' There seems to be an error in "
 "the code, please check the syntax."
 msgstr ""
+"I paaftë të ngarkojë shkrimin e shtojcës nga rruga: '%s' Me sa duket është "
+"një gabim në kod, ju lutem kontrolloni sintaksën."
 
 #: editor/editor_node.cpp
 msgid ""
 "Unable to load addon script from path: '%s' Base type is not EditorPlugin."
 msgstr ""
+"I paaftë të ngarkojë shkrimin e shtojcës nga rruga: '%s' Tipi bazë nuk është "
+"'EditorPlugin'."
 
 #: editor/editor_node.cpp
 msgid "Unable to load addon script from path: '%s' Script is not in tool mode."
 msgstr ""
+"I paaftë të ngarkojë shkrimin për shtojcën nga rruga: '%s' Shkrimi nuk është "
+"në metodën vegël."
 
 #: editor/editor_node.cpp
 msgid ""
 "Scene '%s' was automatically imported, so it can't be modified.\n"
 "To make changes to it, a new inherited scene can be created."
 msgstr ""
+"Skena '%s' është importuar automatikisht, prandaj nuk mund të modifikohet.\n"
+"Për të bërë ndryshime në të, një skenë e re e trashëguar mund të krijohet."
 
 #: editor/editor_node.cpp
 msgid ""
 "Error loading scene, it must be inside the project path. Use 'Import' to "
 "open the scene, then save it inside the project path."
 msgstr ""
+"Gabim gjat ngarkimit të skenës, duhet të jetë brenda rrugës së projektit. "
+"Përdor 'Importo' për të hapur skenën, më pas ruaje brenda rrugës së "
+"projektit."
 
 #: editor/editor_node.cpp
 msgid "Scene '%s' has broken dependencies:"
-msgstr ""
+msgstr "Skena '%s' ka varësi të thyera:"
 
 #: editor/editor_node.cpp
 msgid "Clear Recent Scenes"
-msgstr ""
+msgstr "Pastro Skenat e Fundit"
 
 #: editor/editor_node.cpp
 msgid "Save Layout"
-msgstr ""
+msgstr "Ruaj Faqosjen"
 
 #: editor/editor_node.cpp
 msgid "Delete Layout"
-msgstr ""
+msgstr "Fshi Faqosjen"
 
 #: editor/editor_node.cpp editor/import_dock.cpp
 #: editor/script_create_dialog.cpp
 msgid "Default"
-msgstr ""
+msgstr "E Parazgjedhur"
 
 #: editor/editor_node.cpp editor/editor_properties.cpp
 #: editor/plugins/script_editor_plugin.cpp editor/property_editor.cpp
 msgid "Show in FileSystem"
-msgstr ""
+msgstr "Shfaqe në 'FileSystem'"
 
 #: editor/editor_node.cpp
 msgid "Play This Scene"
-msgstr ""
+msgstr "Luaj Këtë Skenë"
 
 #: editor/editor_node.cpp
 msgid "Close Tab"
-msgstr ""
+msgstr "Mbyll Tabin"
 
 #: editor/editor_node.cpp
 msgid "Switch Scene Tab"
-msgstr ""
+msgstr "Ndrysho Tabin e Skenës"
 
 #: editor/editor_node.cpp
 msgid "%d more files or folders"
-msgstr ""
+msgstr "%d skedar ose foldera më shumë"
 
 #: editor/editor_node.cpp
 msgid "%d more folders"
-msgstr ""
+msgstr "%d foldera më shumë"
 
 #: editor/editor_node.cpp
 msgid "%d more files"
-msgstr ""
+msgstr "%d skedarë më shumë"
 
 #: editor/editor_node.cpp
 msgid "Dock Position"
-msgstr ""
+msgstr "Pozicioni i Dokut"
 
 #: editor/editor_node.cpp
 msgid "Distraction Free Mode"
-msgstr ""
+msgstr "Metoda Pa Shpërqëndrime"
 
 #: editor/editor_node.cpp
 msgid "Toggle distraction-free mode."
-msgstr ""
+msgstr "Ndrysho metodën pa shpërqëndrime."
 
 #: editor/editor_node.cpp
 msgid "Add a new scene."
-msgstr ""
+msgstr "Shto një skenë të re."
 
 #: editor/editor_node.cpp
 msgid "Scene"
-msgstr ""
+msgstr "Skenë"
 
 #: editor/editor_node.cpp
 msgid "Go to previously opened scene."
-msgstr ""
+msgstr "Shko në skenën e hapur më parë."
 
 #: editor/editor_node.cpp
 msgid "Next tab"
-msgstr ""
+msgstr "Tabi tjetër"
 
 #: editor/editor_node.cpp
 msgid "Previous tab"
-msgstr ""
+msgstr "Tabi i mëparshëm"
 
 #: editor/editor_node.cpp
 msgid "Filter Files..."
-msgstr ""
+msgstr "Filtro Skedarët..."
 
 #: editor/editor_node.cpp
 msgid "Operations with scene files."
-msgstr ""
+msgstr "Veprime me skedarët e skenave."
 
 #: editor/editor_node.cpp
 msgid "New Scene"
-msgstr ""
+msgstr "Skenë e Re"
 
 #: editor/editor_node.cpp
 msgid "New Inherited Scene..."
-msgstr ""
+msgstr "Skenë e Re e Trashëguar..."
 
 #: editor/editor_node.cpp
 msgid "Open Scene..."
-msgstr ""
+msgstr "Hap Skenën..."
 
 #: editor/editor_node.cpp
 msgid "Save Scene"
-msgstr ""
+msgstr "Ruaj Skenën"
 
 #: editor/editor_node.cpp
 msgid "Save All Scenes"
-msgstr ""
+msgstr "Ruaj të Gjitha Skenat"
 
 #: editor/editor_node.cpp
 msgid "Close Scene"
-msgstr ""
+msgstr "Mbyll Skenën"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Open Recent"
-msgstr ""
+msgstr "Hap të Fundit"
 
 #: editor/editor_node.cpp
 msgid "Convert To..."
-msgstr ""
+msgstr "Konverto në..."
 
 #: editor/editor_node.cpp
 msgid "MeshLibrary..."
-msgstr ""
+msgstr "LibrariaMesh..."
 
 #: editor/editor_node.cpp
 msgid "TileSet..."
-msgstr ""
+msgstr "SetPllakash..."
 
 #: editor/editor_node.cpp editor/plugins/script_text_editor.cpp
 #: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
 msgid "Undo"
-msgstr ""
+msgstr "Zhbëj"
 
 #: editor/editor_node.cpp editor/plugins/script_text_editor.cpp
 #: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
 msgid "Redo"
-msgstr ""
+msgstr "Ribëj"
 
 #: editor/editor_node.cpp
 msgid "Revert Scene"
-msgstr ""
+msgstr "Rikthe Skenën"
 
 #: editor/editor_node.cpp
 msgid "Miscellaneous project or scene-wide tools."
-msgstr ""
+msgstr "Vegla të ndryshme për projektin ose skenën."
 
 #: editor/editor_node.cpp
 msgid "Project"
-msgstr ""
+msgstr "Projekti"
 
 #: editor/editor_node.cpp
 msgid "Project Settings"
-msgstr ""
+msgstr "Opsionet e Projektit"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Export"
-msgstr ""
+msgstr "Eksporto"
 
 #: editor/editor_node.cpp editor/plugins/tile_set_editor_plugin.cpp
 msgid "Tools"
-msgstr ""
+msgstr "Veglat"
 
 #: editor/editor_node.cpp
 msgid "Open Project Data Folder"
-msgstr ""
+msgstr "Hap Folderin e të Dhënave të Projektit"
 
 #: editor/editor_node.cpp
 msgid "Quit to Project List"
-msgstr ""
+msgstr "Dil të Lista Projekteve"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/project_export.cpp
 msgid "Debug"
-msgstr ""
+msgstr "Rregullo (Debug)"
 
 #: editor/editor_node.cpp
 msgid "Deploy with Remote Debug"
-msgstr ""
+msgstr "Dorëzo me Rregullim në Largësi"
 
 #: editor/editor_node.cpp
 msgid ""
 "When exporting or deploying, the resulting executable will attempt to "
 "connect to the IP of this computer in order to be debugged."
 msgstr ""
+"Kur eksporton ose dorëzon, rezultati i ekzekutueshëm do të tentoj të lidhet "
+"me IP-në e këtij kompjuteri në mënyrë që të rregullohet."
 
 #: editor/editor_node.cpp
 msgid "Small Deploy with Network FS"
-msgstr ""
+msgstr "Dorëzim i Vogël me Rrjet FS"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2218,30 +2341,39 @@ msgid ""
 "On Android, deploy will use the USB cable for faster performance. This "
 "option speeds up testing for games with a large footprint."
 msgstr ""
+"Kur ky opsion është i aktivizuar, eksportimi ose dorëzimi do të prodhojë një "
+"të ekzekutueshëm minimal.\n"
+"Filesystem-i do të jepet nga projekti nga editri përmes rrjetit.\n"
+"Në Android, dorëzimi do të përdori kabllin USB për performancë më të "
+"shpejtë. Ky opsion shpejton testimin për lojërat e mëdha."
 
 #: editor/editor_node.cpp
 msgid "Visible Collision Shapes"
-msgstr ""
+msgstr "Format e Përplasjes të Dukshme"
 
 #: editor/editor_node.cpp
 msgid ""
 "Collision shapes and raycast nodes (for 2D and 3D) will be visible on the "
 "running game if this option is turned on."
 msgstr ""
+"Format e përplasjes dhe nyjet 'raycast' (për 2D dhe 3D) do të jenë të "
+"dukshme gjatë ekzekutimit të lojës nëse ky opsion është i aktivizuar."
 
 #: editor/editor_node.cpp
 msgid "Visible Navigation"
-msgstr ""
+msgstr "Navigim i Dukshëm"
 
 #: editor/editor_node.cpp
 msgid ""
 "Navigation meshes and polygons will be visible on the running game if this "
 "option is turned on."
 msgstr ""
+"Rrjetat e navigimit dhe poligonet do të jenë të dukshme gjatë lojës nëse ky "
+"opsion është i aktivizuar."
 
 #: editor/editor_node.cpp
 msgid "Sync Scene Changes"
-msgstr ""
+msgstr "Sinkronizo Nryshimet e Skenës"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2250,10 +2382,13 @@ msgid ""
 "When used remotely on a device, this is more efficient with network "
 "filesystem."
 msgstr ""
+"Kur ky opsion është i aktivizuar, çdo ndryshim i bërë në këtë skenë do të "
+"kopjohet dhe në lojën duke u ekzekutuar.\n"
+"Kur përdoret në largësi është më efikas me rrjet 'filesystem'."
 
 #: editor/editor_node.cpp
 msgid "Sync Script Changes"
-msgstr ""
+msgstr "Sinkronizo Ndryshimet e Shkrimit"
 
 #: editor/editor_node.cpp
 msgid ""
@@ -2262,42 +2397,46 @@ msgid ""
 "When used remotely on a device, this is more efficient with network "
 "filesystem."
 msgstr ""
+"Kurbky opsion është aktivizuar, çdo shkrim që ruhet do të ringarkohet në "
+"lojën që është duke u ekzekutuar.\n"
+"Kur përdoret në një paisje në largësi është më efikas me rrjetin "
+"'filesyetem'."
 
 #: editor/editor_node.cpp
 msgid "Editor"
-msgstr ""
+msgstr "Editor"
 
 #: editor/editor_node.cpp editor/settings_config_dialog.cpp
 msgid "Editor Settings"
-msgstr ""
+msgstr "Opsionet e Editorit"
 
 #: editor/editor_node.cpp
 msgid "Editor Layout"
-msgstr ""
+msgstr "Faqosja e Editorit"
 
 #: editor/editor_node.cpp
 msgid "Toggle Fullscreen"
-msgstr ""
+msgstr "Ndrysho Ekranin e Plotë"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Data/Settings Folder"
-msgstr ""
+msgstr "Hap Folderin e Editorit për të Dhënat/Opsionet"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Data Folder"
-msgstr ""
+msgstr "Hap Folderin e të Dhënave të Editorit"
 
 #: editor/editor_node.cpp
 msgid "Open Editor Settings Folder"
-msgstr ""
+msgstr "Hap Folderin e Opsioneve të Editorit"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Manage Export Templates"
-msgstr ""
+msgstr "Menaxho Shabllonet e Eksportit"
 
 #: editor/editor_node.cpp
 msgid "Help"
-msgstr ""
+msgstr "Ndihmë"
 
 #: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp
@@ -2305,303 +2444,309 @@ msgstr ""
 #: editor/plugins/shader_editor_plugin.cpp editor/plugins/text_editor.cpp
 #: editor/project_settings_editor.cpp editor/rename_dialog.cpp
 msgid "Search"
-msgstr ""
+msgstr "Kërko"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Online Docs"
-msgstr ""
+msgstr "Dokumentimi Online"
 
 #: editor/editor_node.cpp
 msgid "Q&A"
-msgstr ""
+msgstr "Pyetje&Përgjigje"
 
 #: editor/editor_node.cpp
 msgid "Issue Tracker"
-msgstr ""
+msgstr "Gjurmuesi i Problemeve"
 
 #: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
 msgid "Community"
-msgstr ""
+msgstr "Komuniteti"
 
 #: editor/editor_node.cpp
 msgid "About"
-msgstr ""
+msgstr "Rreth"
 
 #: editor/editor_node.cpp
 msgid "Play the project."
-msgstr ""
+msgstr "Luaj projektin."
 
 #: editor/editor_node.cpp
 msgid "Play"
-msgstr ""
+msgstr "Luaj"
 
 #: editor/editor_node.cpp
 msgid "Pause the scene"
-msgstr ""
+msgstr "Pusho skenën"
 
 #: editor/editor_node.cpp
 msgid "Pause Scene"
-msgstr ""
+msgstr "Pusho Skenën"
 
 #: editor/editor_node.cpp
 msgid "Stop the scene."
-msgstr ""
+msgstr "Ndalo skenën."
 
 #: editor/editor_node.cpp editor/editor_profiler.cpp
 msgid "Stop"
-msgstr ""
+msgstr "Ndalo"
 
 #: editor/editor_node.cpp
 msgid "Play the edited scene."
-msgstr ""
+msgstr "Luaj skenën e modifikuar."
 
 #: editor/editor_node.cpp
 msgid "Play Scene"
-msgstr ""
+msgstr "Luaj Skenën"
 
 #: editor/editor_node.cpp
 msgid "Play custom scene"
-msgstr ""
+msgstr "Luaj skenë të zgjedhur"
 
 #: editor/editor_node.cpp
 msgid "Play Custom Scene"
-msgstr ""
+msgstr "Luaj Skenë të Zgjedhur"
 
 #: editor/editor_node.cpp
 msgid "Changing the video driver requires restarting the editor."
-msgstr ""
+msgstr "Ndryshimi i driver-it të videos kërkon të rifillosh editorin."
 
 #: editor/editor_node.cpp editor/project_settings_editor.cpp
 #: editor/settings_config_dialog.cpp
 msgid "Save & Restart"
-msgstr ""
+msgstr "Ruaj & Rifillo"
 
 #: editor/editor_node.cpp
 msgid "Spins when the editor window redraws."
-msgstr ""
+msgstr "Rrotullohet kur dritarja e editorit rivizaton."
 
 #: editor/editor_node.cpp
 msgid "Update Always"
-msgstr ""
+msgstr "Përditëso Gjithmonë"
 
 #: editor/editor_node.cpp
 msgid "Update Changes"
-msgstr ""
+msgstr "Përditëso Ndryshimet"
 
 #: editor/editor_node.cpp
 msgid "Disable Update Spinner"
-msgstr ""
+msgstr "Çaktivizo Rrotulluesin e Përditësimit"
 
 #: editor/editor_node.cpp editor/plugins/asset_library_editor_plugin.cpp
 #: editor/project_manager.cpp
 msgid "Import"
-msgstr ""
+msgstr "Importo"
 
 #: editor/editor_node.cpp
+#, fuzzy
 msgid "FileSystem"
-msgstr ""
+msgstr "FileSystem"
 
 #: editor/editor_node.cpp
 msgid "Inspector"
-msgstr ""
+msgstr "Inspektori"
 
 #: editor/editor_node.cpp
 msgid "Node"
-msgstr ""
+msgstr "Nyje"
 
 #: editor/editor_node.cpp
 msgid "Expand Bottom Panel"
-msgstr ""
+msgstr "Zgjero Panelin Fundor"
 
 #: editor/editor_node.cpp scene/resources/visual_shader.cpp
 msgid "Output"
-msgstr ""
+msgstr "Përfundimi"
 
 #: editor/editor_node.cpp
 msgid "Don't Save"
-msgstr ""
+msgstr "Mos Ruaj"
 
 #: editor/editor_node.cpp
 msgid "Import Templates From ZIP File"
-msgstr ""
+msgstr "Importo Shabllonet Nga Skedari ZIP"
 
 #: editor/editor_node.cpp editor/project_export.cpp
 msgid "Export Project"
-msgstr ""
+msgstr "Eksporto Projektin"
 
 #: editor/editor_node.cpp
 msgid "Export Library"
-msgstr ""
+msgstr "Libraria e Eksportit"
 
 #: editor/editor_node.cpp
 msgid "Merge With Existing"
-msgstr ""
+msgstr "Bashko Me Ekzistuesin"
 
 #: editor/editor_node.cpp
 msgid "Password:"
-msgstr ""
+msgstr "Fjalëkalimi:"
 
 #: editor/editor_node.cpp
 msgid "Open & Run a Script"
-msgstr ""
+msgstr "Hap & Fillo një Shkrim"
 
 #: editor/editor_node.cpp
 msgid "New Inherited"
-msgstr ""
+msgstr "E Trashëguar e Re"
 
 #: editor/editor_node.cpp
 msgid "Load Errors"
-msgstr ""
+msgstr "Ngarko Gabimet"
 
 #: editor/editor_node.cpp editor/plugins/tile_map_editor_plugin.cpp
 msgid "Select"
-msgstr ""
+msgstr "Zgjidh"
 
 #: editor/editor_node.cpp
 msgid "Open 2D Editor"
-msgstr ""
+msgstr "Hap Editorin 2D"
 
 #: editor/editor_node.cpp
 msgid "Open 3D Editor"
-msgstr ""
+msgstr "Hap Editorin 3D"
 
 #: editor/editor_node.cpp
 msgid "Open Script Editor"
-msgstr ""
+msgstr "Hap Editorin e Shkrimit"
 
 #: editor/editor_node.cpp editor/project_manager.cpp
 msgid "Open Asset Library"
-msgstr ""
+msgstr "Hap Editorin e Aseteve"
 
 #: editor/editor_node.cpp
 msgid "Open the next Editor"
-msgstr ""
+msgstr "Hap Editorin tjetër"
 
 #: editor/editor_node.cpp
 msgid "Open the previous Editor"
-msgstr ""
+msgstr "Hap Editorin e mëparshëm"
 
 #: editor/editor_plugin.cpp
 msgid "Creating Mesh Previews"
-msgstr ""
+msgstr "Duke Krijuar Shikimin Paraprak të Mesh-ave"
 
 #: editor/editor_plugin.cpp
 msgid "Thumbnail..."
-msgstr ""
+msgstr "Korniza..."
 
 #: editor/editor_plugin_settings.cpp
 msgid "Edit Plugin"
-msgstr ""
+msgstr "Modifiko Shtojcën"
 
 #: editor/editor_plugin_settings.cpp
 msgid "Installed Plugins:"
-msgstr ""
+msgstr "Shtojcat e Instaluara:"
 
 #: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
 msgid "Update"
-msgstr ""
+msgstr "Përditëso"
 
 #: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Version:"
-msgstr ""
+msgstr "Versioni:"
 
 #: editor/editor_plugin_settings.cpp editor/plugin_config_dialog.cpp
 msgid "Author:"
-msgstr ""
+msgstr "Autori:"
 
 #: editor/editor_plugin_settings.cpp
 msgid "Status:"
-msgstr ""
+msgstr "Statusi:"
 
 #: editor/editor_plugin_settings.cpp
 msgid "Edit:"
-msgstr ""
+msgstr "Modifiko:"
 
 #: editor/editor_profiler.cpp editor/plugins/animation_state_machine_editor.cpp
 #: editor/rename_dialog.cpp
 msgid "Start"
-msgstr ""
+msgstr "Fillo"
 
 #: editor/editor_profiler.cpp
 msgid "Measure:"
-msgstr ""
+msgstr "Përmasa:"
 
 #: editor/editor_profiler.cpp
 msgid "Frame Time (sec)"
-msgstr ""
+msgstr "Koha e Hapit (sek)"
 
 #: editor/editor_profiler.cpp
 msgid "Average Time (sec)"
-msgstr ""
+msgstr "Koha Mesatare (sek)"
 
 #: editor/editor_profiler.cpp
 msgid "Frame %"
-msgstr ""
+msgstr "Hapi %"
 
 #: editor/editor_profiler.cpp
 msgid "Physics Frame %"
-msgstr ""
+msgstr "Hapi i Fizikës %"
 
 #: editor/editor_profiler.cpp
 msgid "Time:"
-msgstr ""
+msgstr "Koha:"
 
 #: editor/editor_profiler.cpp
 msgid "Inclusive"
-msgstr ""
+msgstr "Gjithpërfshirës"
 
 #: editor/editor_profiler.cpp
 msgid "Self"
-msgstr ""
+msgstr "Vetja"
 
 #: editor/editor_profiler.cpp
 msgid "Frame #:"
-msgstr ""
+msgstr "Nr i Hapit:"
 
 #: editor/editor_profiler.cpp
 msgid "Time"
-msgstr ""
+msgstr "Koha"
 
 #: editor/editor_profiler.cpp
 msgid "Calls"
-msgstr ""
+msgstr "Thërritjet"
 
 #: editor/editor_properties.cpp
 msgid "On"
-msgstr ""
+msgstr "Mbi"
 
 #: editor/editor_properties.cpp
 msgid "Layer"
-msgstr ""
+msgstr "Shtresa"
 
 #: editor/editor_properties.cpp
 msgid "Bit %d, value %d"
-msgstr ""
+msgstr "Biti %d, vlera %d"
 
 #: editor/editor_properties.cpp
 msgid "[Empty]"
-msgstr ""
+msgstr "[Bosh]"
 
 #: editor/editor_properties.cpp editor/plugins/root_motion_editor_plugin.cpp
 msgid "Assign..."
-msgstr ""
+msgstr "Cakto..."
 
 #: editor/editor_properties.cpp
 msgid "Invalid RID"
-msgstr ""
+msgstr "RID i pavlefshëm"
 
 #: editor/editor_properties.cpp
 msgid ""
 "The selected resource (%s) does not match any type expected for this "
 "property (%s)."
 msgstr ""
+"Resursi i zgjedhur (%s) nuk përputhet me ndonjë tip të pritur për këtë veti "
+"(%s)."
 
 #: editor/editor_properties.cpp
 msgid ""
 "Can't create a ViewportTexture on resources saved as a file.\n"
 "Resource needs to belong to a scene."
 msgstr ""
+"Nuk mund të krijoj një 'ViewportTexture' në resurset e ruajtur si një "
+"skedar.\n"
+"Resursi duhet ti përkasë një skene."
 
 #: editor/editor_properties.cpp
 msgid ""
@@ -2610,22 +2755,26 @@ msgid ""
 "Please switch on the 'local to scene' property on it (and all resources "
 "containing it up to a node)."
 msgstr ""
+"Nuk mune të krijojë një 'ViewportTexture' në këtë resurs sepse nuk është "
+"vendosur si një lokal në skenë.\n"
+"Ju lutem aktivizoni vetinë 'lokal në skenë' në të (dhe të gjitha resurset që "
+"e mbajnë deri te një nyje)."
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Pick a Viewport"
-msgstr ""
+msgstr "Zgjidh një 'Viewport'"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "New Script"
-msgstr ""
+msgstr "Shkrim i Ri"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "New %s"
-msgstr ""
+msgstr "%s i Ri"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Make Unique"
-msgstr ""
+msgstr "Bëje Unik"
 
 #: editor/editor_properties.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
@@ -2639,605 +2788,609 @@ msgstr ""
 #: editor/plugins/tile_map_editor_plugin.cpp editor/property_editor.cpp
 #: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
 msgid "Paste"
-msgstr ""
+msgstr "Ngjit"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Convert To %s"
-msgstr ""
+msgstr "Konverto në %s"
 
 #: editor/editor_properties.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Open Editor"
-msgstr ""
+msgstr "Hap Editorin"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Selected node is not a Viewport!"
-msgstr ""
+msgstr "Nyja e zgjedhur nuk është një 'Viewport'!"
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Size: "
-msgstr ""
+msgstr "Madhësia: "
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Page: "
-msgstr ""
+msgstr "Faqja: "
 
 #: editor/editor_properties_array_dict.cpp
 msgid "New Key:"
-msgstr ""
+msgstr "Çelës i Ri:"
 
 #: editor/editor_properties_array_dict.cpp
 msgid "New Value:"
-msgstr ""
+msgstr "Vlerë e Re:"
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Add Key/Value Pair"
-msgstr ""
+msgstr "Shto Palë Çelës/Vlerë"
 
 #: editor/editor_properties_array_dict.cpp
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Remove Item"
-msgstr ""
+msgstr "Hiq Artikullin"
 
 #: editor/editor_run_native.cpp
 msgid "Select device from the list"
-msgstr ""
+msgstr "Zgjidh paisjen nga lista"
 
 #: editor/editor_run_native.cpp
 msgid ""
 "No runnable export preset found for this platform.\n"
 "Please add a runnable preset in the export menu."
 msgstr ""
+"Nuk u gjet eksport paraprak i saktë për këtë platformë.\n"
+"Ju lutem shtoni një eksport paraprak të saktë në menu."
 
 #: editor/editor_run_script.cpp
 msgid "Write your logic in the _run() method."
-msgstr ""
+msgstr "Shkruaj logjikën në metodën _run()."
 
 #: editor/editor_run_script.cpp
 msgid "There is an edited scene already."
-msgstr ""
+msgstr "Ekziston një skenë e modifikuar që më parë."
 
 #: editor/editor_run_script.cpp
 msgid "Couldn't instance script:"
-msgstr ""
+msgstr "Nuk mund të instancoj shkrimin:"
 
 #: editor/editor_run_script.cpp
 msgid "Did you forget the 'tool' keyword?"
-msgstr ""
+msgstr "A mos harrove fjalën kyç 'tool'?"
 
 #: editor/editor_run_script.cpp
 msgid "Couldn't run script:"
-msgstr ""
+msgstr "Nuk mund të ekzekutonte shkrimin:"
 
 #: editor/editor_run_script.cpp
 msgid "Did you forget the '_run' method?"
-msgstr ""
+msgstr "A mos harrove metodën '_run'?"
 
 #: editor/editor_sub_scene.cpp
 msgid "Select Node(s) to Import"
-msgstr ""
+msgstr "Zgjidh Nyjet Për ti Importuar"
 
 #: editor/editor_sub_scene.cpp
 msgid "Scene Path:"
-msgstr ""
+msgstr "Rruga Skenës:"
 
 #: editor/editor_sub_scene.cpp
 msgid "Import From Node:"
-msgstr ""
+msgstr "Importo nga Nyja:"
 
 #: editor/export_template_manager.cpp
 msgid "Re-Download"
-msgstr ""
+msgstr "Ri-Shkarko"
 
 #: editor/export_template_manager.cpp
 msgid "Uninstall"
-msgstr ""
+msgstr "Çinstalo"
 
 #: editor/export_template_manager.cpp
 msgid "(Installed)"
-msgstr ""
+msgstr "(E Instaluar)"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Download"
-msgstr ""
+msgstr "Shkarko"
 
 #: editor/export_template_manager.cpp
 msgid "(Missing)"
-msgstr ""
+msgstr "(Mungon)"
 
 #: editor/export_template_manager.cpp
 msgid "(Current)"
-msgstr ""
+msgstr "(Aktual)"
 
 #: editor/export_template_manager.cpp
 msgid "Retrieving mirrors, please wait..."
-msgstr ""
+msgstr "Duke marrë pasqyrat, ju lutem prisni..."
 
 #: editor/export_template_manager.cpp
 msgid "Remove template version '%s'?"
-msgstr ""
+msgstr "Hiq shabllonin me version '%s'?"
 
 #: editor/export_template_manager.cpp
 msgid "Can't open export templates zip."
-msgstr ""
+msgstr "Nuk mund të hapi zip-in e shablloneve të eksportimit."
 
 #: editor/export_template_manager.cpp
 msgid "Invalid version.txt format inside templates: %s."
-msgstr ""
+msgstr "version.txt është format i pasaktë brenda shablloneve: %s."
 
 #: editor/export_template_manager.cpp
 msgid "No version.txt found inside templates."
-msgstr ""
+msgstr "Nuk u gjet version.txt brenda shablloneve."
 
 #: editor/export_template_manager.cpp
 msgid "Error creating path for templates:"
-msgstr ""
+msgstr "Gabim gjatë krijimit të rrugës për shabllonet:"
 
 #: editor/export_template_manager.cpp
 msgid "Extracting Export Templates"
-msgstr ""
+msgstr "Duke Nxjerrë Shabllonet e Eksportit"
 
 #: editor/export_template_manager.cpp
 msgid "Importing:"
-msgstr ""
+msgstr "Duke Importuar:"
 
 #: editor/export_template_manager.cpp
 msgid ""
 "No download links found for this version. Direct download is only available "
 "for official releases."
 msgstr ""
+"Nuk u gjet linku për shkarkimin e këtij versioni. Shkarkimi direkt është i "
+"disponueshëm vetëm për lëshimet zyrtare."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Can't resolve."
-msgstr ""
+msgstr "Nuk mund të zgjidhte."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Can't connect."
-msgstr ""
+msgstr "Nuk mund të lidhet."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "No response."
-msgstr ""
+msgstr "Nuk u përgjigj."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Request Failed."
-msgstr ""
+msgstr "Kërkimi Dështoi."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Redirect Loop."
-msgstr ""
+msgstr "Ridrejto Ciklin."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Failed:"
-msgstr ""
+msgstr "Dështoi:"
 
 #: editor/export_template_manager.cpp
 msgid "Download Complete."
-msgstr ""
+msgstr "Shkarkimi u Plotësua."
 
 #: editor/export_template_manager.cpp
 msgid ""
 "Templates installation failed. The problematic templates archives can be "
 "found at '%s'."
 msgstr ""
+"Instalimi i shablloneve dështoi. Arkivat problematike të shablloneve mund të "
+"gjenden në '%s'."
 
 #: editor/export_template_manager.cpp
 msgid "Error requesting url: "
-msgstr ""
+msgstr "Gabim duke kërkuar url: "
 
 #: editor/export_template_manager.cpp
 msgid "Connecting to Mirror..."
-msgstr ""
+msgstr "Duke u Lidhur te Pasqyra..."
 
 #: editor/export_template_manager.cpp
 msgid "Disconnected"
-msgstr ""
+msgstr "U Shkëput"
 
 #: editor/export_template_manager.cpp
 msgid "Resolving"
-msgstr ""
+msgstr "Duke Zgjidhur"
 
 #: editor/export_template_manager.cpp
 msgid "Can't Resolve"
-msgstr ""
+msgstr "Nuk mund të zgjidhi"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Connecting..."
-msgstr ""
+msgstr "Duke u lidhur..."
 
 #: editor/export_template_manager.cpp
 msgid "Can't Connect"
-msgstr ""
+msgstr "Nuk mund të lidhet"
 
 #: editor/export_template_manager.cpp
 msgid "Connected"
-msgstr ""
+msgstr "U Lidh"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Requesting..."
-msgstr ""
+msgstr "Duke bër kërkesën..."
 
 #: editor/export_template_manager.cpp
 msgid "Downloading"
-msgstr ""
+msgstr "Duke Shkarkuar"
 
 #: editor/export_template_manager.cpp
 msgid "Connection Error"
-msgstr ""
+msgstr "Gabim në Lidhje"
 
 #: editor/export_template_manager.cpp
 msgid "SSL Handshake Error"
-msgstr ""
+msgstr "Gabim në 'SSL Handshake'"
 
 #: editor/export_template_manager.cpp
 msgid "Current Version:"
-msgstr ""
+msgstr "Versioni Aktual:"
 
 #: editor/export_template_manager.cpp
 msgid "Installed Versions:"
-msgstr ""
+msgstr "Versionet e Instaluar:"
 
 #: editor/export_template_manager.cpp
 msgid "Install From File"
-msgstr ""
+msgstr "Instalo Nga Skedari"
 
 #: editor/export_template_manager.cpp
 msgid "Remove Template"
-msgstr ""
+msgstr "Hiq Shabllonin"
 
 #: editor/export_template_manager.cpp
 msgid "Select template file"
-msgstr ""
+msgstr "Zgjidh skedarin e shabllonit"
 
 #: editor/export_template_manager.cpp
 msgid "Export Template Manager"
-msgstr ""
+msgstr "Menaxheri i Shablloneve të Eksportimit"
 
 #: editor/export_template_manager.cpp
 msgid "Download Templates"
-msgstr ""
+msgstr "Shkarko Shabllonet"
 
 #: editor/export_template_manager.cpp
 msgid "Select mirror from list: (Shift+Click: Open in Browser)"
-msgstr ""
+msgstr "Zgjidh pasqyrën nga lista: (Shift+Kliko: Për ta hapur në shfletues)"
 
 #: editor/file_type_cache.cpp
 msgid "Can't open file_type_cache.cch for writing, not saving file type cache!"
 msgstr ""
+"Nuk mund të hapi file_type_catche.cch për të shkruajtur, skedari nuk do të "
+"ruhet!"
 
 #: editor/filesystem_dock.cpp
 msgid "Favorites"
-msgstr ""
+msgstr "Të Preferuarat"
 
 #: editor/filesystem_dock.cpp
 msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
+"Nuk mund të navigoj te '%s' sepse nuk është gjetur në sistemin e skedarëve!"
 
 #: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
+"Statusi: Importimi i skedarit dështoi. Please rregullo skedarin dhe ri-"
+"importoje manualisht."
 
 #: editor/filesystem_dock.cpp
 msgid "Cannot move/rename resources root."
-msgstr ""
+msgstr "Nuk mund të leviz/riemërtoj rrenjën e resurseve."
 
 #: editor/filesystem_dock.cpp
 msgid "Cannot move a folder into itself."
-msgstr ""
+msgstr "Nuk mund të leviz një folder brenda vetvetes."
 
 #: editor/filesystem_dock.cpp
 msgid "Error moving:"
-msgstr ""
+msgstr "Gabim gjatë lëvizjes:"
 
 #: editor/filesystem_dock.cpp
 msgid "Error duplicating:"
-msgstr ""
+msgstr "Gabim gjatë dyfishimit:"
 
 #: editor/filesystem_dock.cpp
 msgid "Unable to update dependencies:"
-msgstr ""
+msgstr "I paaftë të përditësoj varësitë:"
 
 #: editor/filesystem_dock.cpp editor/scene_tree_editor.cpp
 msgid "No name provided."
-msgstr ""
+msgstr "Nuk u dha një emër."
 
 #: editor/filesystem_dock.cpp
 msgid "Provided name contains invalid characters"
-msgstr ""
+msgstr "Emri i dhënë përmban karaktere të pasakta"
 
 #: editor/filesystem_dock.cpp
 msgid "Name contains invalid characters."
-msgstr ""
+msgstr "Emri permban karaktere të pasakta."
 
 #: editor/filesystem_dock.cpp
 msgid "A file or folder with this name already exists."
-msgstr ""
+msgstr "Një skedar ose folder me këtë emër ekziston që më parë."
 
 #: editor/filesystem_dock.cpp
 msgid "Renaming file:"
-msgstr ""
+msgstr "Duke riemërtuar skedarin:"
 
 #: editor/filesystem_dock.cpp
 msgid "Renaming folder:"
-msgstr ""
+msgstr "Duke riemërtuar folderin:"
 
 #: editor/filesystem_dock.cpp
 msgid "Duplicating file:"
-msgstr ""
+msgstr "Duke dyfishuar skedarin:"
 
 #: editor/filesystem_dock.cpp
 msgid "Duplicating folder:"
-msgstr ""
+msgstr "Duke dyfishuar folderin:"
 
 #: editor/filesystem_dock.cpp
 msgid "Open Scene(s)"
-msgstr ""
+msgstr "Hap Skenat"
 
 #: editor/filesystem_dock.cpp
 msgid "Instance"
-msgstr ""
+msgstr "Instanco"
 
 #: editor/filesystem_dock.cpp
 msgid "Add to favorites"
-msgstr ""
+msgstr "Shto te të preferuarat"
 
 #: editor/filesystem_dock.cpp
 msgid "Remove from favorites"
-msgstr ""
+msgstr "Hiq nga të preferuarat"
 
 #: editor/filesystem_dock.cpp
 msgid "Edit Dependencies..."
-msgstr ""
+msgstr "Modifiko Varësitë..."
 
 #: editor/filesystem_dock.cpp
 msgid "View Owners..."
-msgstr ""
+msgstr "Shiko Pronarët..."
 
 #: editor/filesystem_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Rename..."
-msgstr ""
+msgstr "Riemërto..."
 
 #: editor/filesystem_dock.cpp
 msgid "Duplicate..."
-msgstr ""
+msgstr "Dyfisho..."
 
 #: editor/filesystem_dock.cpp
 msgid "Move To..."
-msgstr ""
+msgstr "Lëviz në..."
 
 #: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
 msgid "New Script..."
-msgstr ""
+msgstr "Shkrim i Ri..."
 
 #: editor/filesystem_dock.cpp
 msgid "New Resource..."
-msgstr ""
+msgstr "Resurs i Ri..."
 
 #: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
 msgid "Expand All"
-msgstr ""
+msgstr "Zgjero të Gjitha"
 
 #: editor/filesystem_dock.cpp editor/script_editor_debugger.cpp
 msgid "Collapse All"
-msgstr ""
+msgstr "Mbyll të Gjitha"
 
 #: editor/filesystem_dock.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
 #: editor/project_manager.cpp editor/rename_dialog.cpp
 #: editor/scene_tree_dock.cpp
 msgid "Rename"
-msgstr ""
+msgstr "Riemërto"
 
 #: editor/filesystem_dock.cpp
 msgid "Previous Directory"
-msgstr ""
+msgstr "Direktoria e Mëparshme"
 
 #: editor/filesystem_dock.cpp
 msgid "Next Directory"
-msgstr ""
+msgstr "Direktoria Tjetër"
 
 #: editor/filesystem_dock.cpp
 msgid "Re-Scan Filesystem"
-msgstr ""
+msgstr "Riskano 'Filesystem'-in"
 
 #: editor/filesystem_dock.cpp
 msgid "Toggle split mode"
-msgstr ""
+msgstr "Ndrysho metodën e ndarjes"
 
 #: editor/filesystem_dock.cpp
 msgid "Search files"
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
+msgstr "Kërko skedarët"
 
 #: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
 msgstr ""
+"Duke Skanuar Skedarët,\n"
+"Ju Lutem Prisini..."
 
 #: editor/filesystem_dock.cpp
 msgid "Move"
-msgstr ""
+msgstr "Lëviz"
 
 #: editor/filesystem_dock.cpp
 msgid "There is already file or folder with the same name in this location."
 msgstr ""
+"Ekziston që më parë një skedar ose folder me të njëjtin emër në këtë "
+"vendndodhje."
 
 #: editor/filesystem_dock.cpp
 msgid "Overwrite"
-msgstr ""
+msgstr "Mbishkruaj"
 
 #: editor/filesystem_dock.cpp editor/plugins/script_editor_plugin.cpp
 msgid "Create Script"
-msgstr ""
+msgstr "Krijo një Shkrim"
 
 #: editor/find_in_files.cpp
 msgid "Find in Files"
-msgstr ""
+msgstr "Gjej në Skedarët"
 
 #: editor/find_in_files.cpp
 msgid "Find:"
-msgstr ""
+msgstr "Gjej:"
 
 #: editor/find_in_files.cpp
 msgid "Folder:"
-msgstr ""
+msgstr "Folderi:"
 
 #: editor/find_in_files.cpp
 msgid "Filters:"
-msgstr ""
+msgstr "Filtrat:"
 
 #: editor/find_in_files.cpp editor/plugins/script_editor_plugin.cpp
 #: editor/plugins/script_text_editor.cpp
 msgid "Find..."
-msgstr ""
+msgstr "Gjej..."
 
 #: editor/find_in_files.cpp editor/plugins/script_text_editor.cpp
 msgid "Replace..."
-msgstr ""
+msgstr "Zëvendëso..."
 
 #: editor/find_in_files.cpp editor/progress_dialog.cpp scene/gui/dialogs.cpp
 msgid "Cancel"
-msgstr ""
+msgstr "Anullo"
 
 #: editor/find_in_files.cpp
 msgid "Find: "
-msgstr ""
+msgstr "Gjej: "
 
 #: editor/find_in_files.cpp
 msgid "Replace: "
-msgstr ""
+msgstr "Zëvendëso: "
 
 #: editor/find_in_files.cpp
 msgid "Replace all (no undo)"
-msgstr ""
+msgstr "Zëvendëso të gjitha (pa kthim pas)"
 
 #: editor/find_in_files.cpp
 msgid "Searching..."
-msgstr ""
+msgstr "Duke kërkuar..."
 
 #: editor/find_in_files.cpp
 msgid "Search complete"
-msgstr ""
+msgstr "Kërkimi u kompletua"
 
 #: editor/groups_editor.cpp
 msgid "Group name already exists."
-msgstr ""
+msgstr "Emri i grupit ekziston që më parë."
 
 #: editor/groups_editor.cpp
 msgid "Invalid group name."
-msgstr ""
+msgstr "Emri i grupit i pasakt."
 
 #: editor/groups_editor.cpp editor/node_dock.cpp
 msgid "Groups"
-msgstr ""
+msgstr "Grupet"
 
 #: editor/groups_editor.cpp
 msgid "Nodes not in Group"
-msgstr ""
+msgstr "Nyjet që nuk janë në Grup"
 
 #: editor/groups_editor.cpp editor/scene_tree_dock.cpp
 msgid "Filter nodes"
-msgstr ""
+msgstr "Nyjet filtruese"
 
 #: editor/groups_editor.cpp
 msgid "Nodes in Group"
-msgstr ""
+msgstr "Nyjet në Grup"
 
 #: editor/groups_editor.cpp
 msgid "Add to Group"
-msgstr ""
+msgstr "Shto te Grupi"
 
 #: editor/groups_editor.cpp
 msgid "Remove from Group"
-msgstr ""
+msgstr "Hiq nga Grupi"
 
 #: editor/groups_editor.cpp
 msgid "Manage Groups"
-msgstr ""
+msgstr "Menaxho Grupet"
 
 #: editor/import/resource_importer_scene.cpp
+#, fuzzy
 msgid "Import as Single Scene"
-msgstr ""
+msgstr "Importo si një Skenë të vetme"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Animations"
-msgstr ""
+msgstr "Importo me Animacione të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Materials"
-msgstr ""
+msgstr "Importo me Materiale të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects"
-msgstr ""
+msgstr "Importo me Objekte të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects+Materials"
-msgstr ""
+msgstr "Importo me Objekte+Materiale të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects+Animations"
-msgstr ""
+msgstr "Importo me Objekte+Animacione të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Materials+Animations"
-msgstr ""
+msgstr "Importo me Materiale+Animacione të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import with Separate Objects+Materials+Animations"
-msgstr ""
+msgstr "Importo me Objekte+Materiale+Animacione të Veçuara"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import as Multiple Scenes"
-msgstr ""
+msgstr "Importo si Skena të Shumfishta"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Import as Multiple Scenes+Materials"
-msgstr ""
+msgstr "Importo si Skena+Materiale të Shumfishta"
 
 #: editor/import/resource_importer_scene.cpp
 #: editor/plugins/mesh_library_editor_plugin.cpp
 msgid "Import Scene"
-msgstr ""
+msgstr "Importo Skenën"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Importing Scene..."
-msgstr ""
+msgstr "Duke Importuar Skenën..."
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Generating Lightmaps"
-msgstr ""
+msgstr "Duke Gjeneruar Hartat e Dritës"
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Generating for Mesh: "
-msgstr ""
+msgstr "Duke Gjeneruar për 'Mesh'-in: "
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Running Custom Script..."
-msgstr ""
+msgstr "Duke Ekzekutuar Shkrimin..."
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Couldn't load post-import script:"
@@ -3253,23 +3406,23 @@ msgstr ""
 
 #: editor/import/resource_importer_scene.cpp
 msgid "Saving..."
-msgstr ""
+msgstr "Duke Ruajtur..."
 
 #: editor/import_dock.cpp
 msgid "Set as Default for '%s'"
-msgstr ""
+msgstr "Vendos si të Parazgjedhur për '%s'"
 
 #: editor/import_dock.cpp
 msgid "Clear Default for '%s'"
-msgstr ""
+msgstr "Pastro të Parazgjedhurat për '%s'"
 
 #: editor/import_dock.cpp
 msgid " Files"
-msgstr ""
+msgstr " Skedarët"
 
 #: editor/import_dock.cpp
 msgid "Import As:"
-msgstr ""
+msgstr "Importo Si:"
 
 #: editor/import_dock.cpp editor/property_editor.cpp
 msgid "Preset..."
@@ -3277,101 +3430,105 @@ msgstr ""
 
 #: editor/import_dock.cpp
 msgid "Reimport"
-msgstr ""
+msgstr "Ri-importo"
 
 #: editor/import_dock.cpp
 msgid "Save scenes, re-import and restart"
-msgstr ""
+msgstr "Ruaj skenat, ri-importo dhe rifillo"
 
 #: editor/import_dock.cpp
 msgid "Changing the type of an imported file requires editor restart."
 msgstr ""
+"Ndryshimi i tipit të një skedari te importuar kërkon që editori të "
+"rifillohet."
 
 #: editor/import_dock.cpp
 msgid ""
 "WARNING: Assets exist that use this resource, they may stop loading properly."
 msgstr ""
+"Kujdes: Egzistojnë asete që përdorin këtë resurs, ato mund të ndalojnë të "
+"ngarkohen si duhet."
 
 #: editor/inspector_dock.cpp
 msgid "Failed to load resource."
-msgstr ""
+msgstr "Dështoi të ngarkojë resursin."
 
 #: editor/inspector_dock.cpp
 msgid "Expand All Properties"
-msgstr ""
+msgstr "Zgjero Të Gjitha Vetitë"
 
 #: editor/inspector_dock.cpp
 msgid "Collapse All Properties"
-msgstr ""
+msgstr "Zvogëlo Të Gjitha Vetitë"
 
 #: editor/inspector_dock.cpp editor/plugins/animation_player_editor_plugin.cpp
 #: editor/plugins/script_editor_plugin.cpp
 msgid "Save As..."
-msgstr ""
+msgstr "Ruaje Si…"
 
 #: editor/inspector_dock.cpp
 msgid "Copy Params"
-msgstr ""
+msgstr "Kopjo Parametrat"
 
 #: editor/inspector_dock.cpp
 msgid "Paste Params"
-msgstr ""
+msgstr "Ngjit Parametrat"
 
 #: editor/inspector_dock.cpp
 msgid "Edit Resource Clipboard"
-msgstr ""
+msgstr "Modifiko Resursin 'Clipboard'"
 
 #: editor/inspector_dock.cpp
 msgid "Copy Resource"
-msgstr ""
+msgstr "Kopjo Resursin"
 
 #: editor/inspector_dock.cpp
 msgid "Make Built-In"
-msgstr ""
+msgstr "Bëje 'Built-In'"
 
 #: editor/inspector_dock.cpp
 msgid "Make Sub-Resources Unique"
-msgstr ""
+msgstr "Bëj Sub-Resurset Unik"
 
 #: editor/inspector_dock.cpp
 msgid "Open in Help"
-msgstr ""
+msgstr "Hap në Ndihmë"
 
 #: editor/inspector_dock.cpp
 msgid "Create a new resource in memory and edit it."
-msgstr ""
+msgstr "Krijo një resurs të ri në memorje dhe modifikoje atë."
 
 #: editor/inspector_dock.cpp
 msgid "Load an existing resource from disk and edit it."
-msgstr ""
+msgstr "Ngarko një resurs egzistues nga disku dhe modifikoje atë."
 
 #: editor/inspector_dock.cpp
 msgid "Save the currently edited resource."
-msgstr ""
+msgstr "Ruaje resursin aktual të modifikuar."
 
 #: editor/inspector_dock.cpp
 msgid "Go to the previous edited object in history."
-msgstr ""
+msgstr "Shko te objekti i mëparshëm i modifikuar në histori."
 
 #: editor/inspector_dock.cpp
 msgid "Go to the next edited object in history."
-msgstr ""
+msgstr "Shko te objekti tjetër i modifikuar në histori."
 
 #: editor/inspector_dock.cpp
 msgid "History of recently edited objects."
-msgstr ""
+msgstr "Historia e objekteve të modifikuara së fundmi."
 
 #: editor/inspector_dock.cpp
 msgid "Object properties."
-msgstr ""
+msgstr "Vetitë e objekteve."
 
 #: editor/inspector_dock.cpp
 msgid "Filter properties"
-msgstr ""
+msgstr "Filtro vetitë."
 
 #: editor/inspector_dock.cpp
 msgid "Changes may be lost!"
-msgstr ""
+msgstr "Ndryshimet mund të humbasin!"
 
 #: editor/multi_node_edit.cpp
 msgid "MultiNode Set"
@@ -3379,74 +3536,74 @@ msgstr ""
 
 #: editor/node_dock.cpp
 msgid "Select a Node to edit Signals and Groups."
-msgstr ""
+msgstr "Zgjidh një nyje për të modifikuar Sinjalet dhe Grupet."
 
 #: editor/plugin_config_dialog.cpp
 msgid "Edit a Plugin"
-msgstr ""
+msgstr "Modifiko një Shtojcë"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Create a Plugin"
-msgstr ""
+msgstr "Krijo një Shtojcë"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Plugin Name:"
-msgstr ""
+msgstr "Emri i Shtojcës:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Subfolder:"
-msgstr ""
+msgstr "Subfolderi:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Language:"
-msgstr ""
+msgstr "Gjuha:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Script Name:"
-msgstr ""
+msgstr "Emri i Shkrimit:"
 
 #: editor/plugin_config_dialog.cpp
 msgid "Activate now?"
-msgstr ""
+msgstr "Aktivizo tani?"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/polygon_2d_editor_plugin.cpp
 msgid "Create Polygon"
-msgstr ""
+msgstr "Krijo një Poligon"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create points."
-msgstr ""
+msgstr "Krijo pika."
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid ""
 "Edit points.\n"
 "LMB: Move Point\n"
 "RMB: Erase Point"
-msgstr ""
+msgstr "Modifiko pikat. LMB: Lëviz Pikën RMB: Fshi Pikën"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Erase points."
-msgstr ""
+msgstr "Fshi Pikat."
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid "Edit Polygon"
-msgstr ""
+msgstr "Modifiko Poligonin"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid "Insert Point"
-msgstr ""
+msgstr "Fut një Pikë"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid "Edit Polygon (Remove Point)"
-msgstr ""
+msgstr "Modifiko Poligonin (Hiq Pikën)"
 
 #: editor/plugins/abstract_polygon_2d_editor.cpp
 msgid "Remove Polygon And Point"
-msgstr ""
+msgstr "Hiq Poligonin Dhe Pikën"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3454,14 +3611,14 @@ msgstr ""
 #: editor/plugins/animation_state_machine_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Add Animation"
-msgstr ""
+msgstr "Shto Animacion"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Load..."
-msgstr ""
+msgstr "Ngarko…"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3489,9 +3646,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Përsëritje Animacioni"
+msgstr "Shto Pikë në Animacion"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Remove BlendSpace1D Point"
@@ -3628,15 +3784,13 @@ msgid "Nodes Disconnected"
 msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "Përmirëso Animacionin"
+msgstr "Vendos Animacionin"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Fshi Key(s)"
+msgstr "Fshi Nyjen"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "Toggle Filter On/Off"
@@ -5003,19 +5157,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5106,11 +5260,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5691,6 +5845,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6438,14 +6600,12 @@ msgid "(empty)"
 msgstr ""
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animations:"
-msgstr "Funksionet:"
+msgstr "Animacionet:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "New Animation"
-msgstr "Përmirëso Animacionin"
+msgstr "Animacionin i Ri"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Speed (FPS):"
@@ -6456,9 +6616,8 @@ msgid "Loop"
 msgstr ""
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
-#, fuzzy
 msgid "Animation Frames:"
-msgstr "Karakteristikat e animacionit."
+msgstr "Kornizat e Animacionit:"
 
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Insert Empty (Before)"
@@ -6746,6 +6905,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6852,9 +7027,8 @@ msgid "Set Tile Region"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create Tile"
-msgstr "Krijo"
+msgstr "Krijo Pllakë"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Set Tile Icon"
@@ -6885,9 +7059,16 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
-msgstr "Fshi keys të gabuar"
+msgstr "Fshi një Pllakë"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Collision Polygon"
@@ -6938,9 +7119,8 @@ msgid "Add Node to Visual Shader"
 msgstr ""
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
-msgstr "Dyfisho Key(s)"
+msgstr "Dyfisho Nyjet"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
@@ -7004,6 +7184,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9555,6 +9739,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9569,6 +9759,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9712,6 +9908,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9720,6 +9924,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/sr_Cyrl.po b/editor/translations/sr_Cyrl.po
index fd45d7d072..31ff003c25 100644
--- a/editor/translations/sr_Cyrl.po
+++ b/editor/translations/sr_Cyrl.po
@@ -1407,8 +1407,22 @@ msgstr "Паковање"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1461,7 +1475,7 @@ msgstr "Покажи у менаџеру датотека"
 msgid "New Folder..."
 msgstr "�ови директоријум..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "О�вежи"
 
@@ -1536,10 +1550,35 @@ msgstr "Помери нагоре омиљену"
 msgid "Move Favorite Down"
 msgstr "Помери надоле омиљену"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Претодни �прат"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "�аправи директоријум"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Иди у родитељ�ки директоријум"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "�еу�пех при прављењу директоријума."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Прикажи �твари као мрежа �личица"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Прикажи �твари као ли�та"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Директоријуми и датотеке:"
@@ -1782,9 +1821,9 @@ msgstr "Излаз"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Грешка при чувању ре�ур�а!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1792,6 +1831,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Грешка при чувању ре�ур�а!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Сачувај ре�ур� као..."
 
@@ -3117,16 +3166,6 @@ msgstr "�еу�пех навигације у „%s“ пошто није пр
 
 #: editor/filesystem_dock.cpp
 #, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Прикажи �твари као мрежа �личица"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Прикажи �твари као ли�та"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "\n"
@@ -3281,10 +3320,6 @@ msgid "Search files"
 msgstr "Потражи кла�е"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "�аправи �ледећу �цену/е као дете одабраног чвора."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5323,6 +5358,10 @@ msgid "Generating Visibility Rect"
 msgstr "Генериши правоугаоник видљиво�ти"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Генериши правоугаоник видљиво�ти"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Тачка �е �амо може по�тавити у ParticlesMaterial проце�ни материјал"
 
@@ -5335,10 +5374,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "У �лици нема пик�ела �а тран�парентношћу већом од 128..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Генериши правоугаоник видљиво�ти"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Учитај ма�ку еми�ије"
 
@@ -5427,13 +5462,13 @@ msgid "Generating AABB"
 msgstr "Генери�ање о�ног поравнаног граничниог оквира (AABB)"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "Генериши о�но поравнан гранични оквир (AABB)"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Генериши о�но поравнан гранични оквир (AABB) видљиво�ти"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "Генериши о�но поравнан гранични оквир (AABB)"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Обриши тачку из криве"
@@ -6056,6 +6091,14 @@ msgid "Open Godot online documentation"
 msgstr "Отвори Godot онлајн документацију"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Претражи документацију."
 
@@ -7171,6 +7214,24 @@ msgid "Merge from Scene"
 msgstr "Споји од �цене"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Следећа �криптица"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Претодни �прат"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7329,6 +7390,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Помери полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Помери полигон"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Обриши шаблон"
 
@@ -7464,6 +7535,11 @@ msgid "Exporting All"
 msgstr "Извоз"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Путања не по�тоји."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Извозни шаблони за ову платформу или ни�у пронађени или �у и�кварене:"
 
@@ -10097,6 +10173,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10111,6 +10193,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10259,6 +10347,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -10267,6 +10363,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Иди у родитељ�ки директоријум"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10341,6 +10442,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "�аправи �ледећу �цену/е као дете одабраног чвора."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/sr_Latn.po b/editor/translations/sr_Latn.po
index 1a75fd637d..39d66c018c 100644
--- a/editor/translations/sr_Latn.po
+++ b/editor/translations/sr_Latn.po
@@ -1358,8 +1358,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1407,7 +1421,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1482,10 +1496,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1702,8 +1736,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1712,6 +1746,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2946,14 +2990,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3089,10 +3125,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5036,19 +5068,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5139,11 +5171,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5729,6 +5761,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6792,6 +6832,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6940,6 +6996,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Napravi"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Obriši Selekciju"
@@ -7061,6 +7126,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9617,6 +9686,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9631,6 +9706,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9774,6 +9855,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9782,6 +9871,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/sv.po b/editor/translations/sv.po
index 4de14cba75..822a6f9388 100644
--- a/editor/translations/sv.po
+++ b/editor/translations/sv.po
@@ -9,12 +9,13 @@
 # Kristoffer Grundström <kristoffer.grundstrom1983@gmail.com>, 2018.
 # Magnus Helander <helander@fastmail.net>, 2018.
 # Daniel K <danielkimblad@hotmail.com>, 2018.
+# Toiya <elviraa98@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2018-12-13 14:42+0100\n"
-"Last-Translator: Daniel K <danielkimblad@hotmail.com>\n"
+"PO-Revision-Date: 2019-03-19 15:04+0000\n"
+"Last-Translator: Toiya <elviraa98@gmail.com>\n"
 "Language-Team: Swedish <https://hosted.weblate.org/projects/godot-engine/"
 "godot/sv/>\n"
 "Language: sv\n"
@@ -22,12 +23,12 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Poedit 2.2\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
 msgid "Invalid type argument to convert(), use TYPE_* constants."
-msgstr ""
+msgstr "Ogiltligt typargument till convert(), använd TYPE_* konstanter."
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/mono/glue/gd_glue.cpp
@@ -45,11 +46,11 @@ msgstr ""
 
 #: core/math/expression.cpp
 msgid "Invalid operands to operator %s, %s and %s."
-msgstr ""
+msgstr "Ogiltiga operander till operator %s, %s och %s."
 
 #: core/math/expression.cpp
 msgid "Invalid index of type %s for base type %s"
-msgstr ""
+msgstr "Ogiltigt index av typ %s för bastyp %s"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
@@ -66,40 +67,35 @@ msgstr ""
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr ""
+msgstr "Gratis"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
-msgstr ""
+msgstr "Balanserad"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Mirror"
-msgstr "Spegla X"
+msgstr "Spegla"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Insert Key Here"
-msgstr "Anim Infoga Nyckel"
+msgstr "Infoga Nyckel Här"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Duplicate Selected Key(s)"
-msgstr "Duplicera urval"
+msgstr "Duplicera valda nycklar"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Delete Selected Key(s)"
-msgstr "Ta bort valda filer?"
+msgstr "Ta bort valda nycklar"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Add Bezier Point"
-msgstr ""
+msgstr "Lägg till Bezierpunkt"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Flytta Ner"
+msgstr "Flytta Bezierpunkt"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -111,7 +107,7 @@ msgstr "Anim Ta Bort Nycklar"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Keyframe Time"
-msgstr "Anim Ändra Nyckelram Tid"
+msgstr "Anim Ändra Tid för Nyckebild"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Transition"
@@ -123,21 +119,20 @@ msgstr "Anim Ändra Transformation"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Keyframe Value"
-msgstr "Anim Ändra Värde På Tidsnyckeln"
+msgstr "Anim Ändra Värde På Nyckelbild"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Change Call"
 msgstr "Anim Ändra Anrop"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Ändra Animationsnamn:"
+msgstr "Ändra Animationslängd"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "Ändra Animationsloop"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
@@ -175,9 +170,8 @@ msgid "Animation Length Time (seconds)"
 msgstr "Animation längd (i sekunder)."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Looping"
-msgstr "Animation zoom."
+msgstr "Animationslooping"
 
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -185,13 +179,12 @@ msgid "Functions:"
 msgstr "Funktioner:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Audio Clips:"
-msgstr "Ljud-Lyssnare"
+msgstr "Ljudklipp:"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Clips:"
-msgstr ""
+msgstr "Animklipp:"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -199,9 +192,8 @@ msgid "Change Track Path"
 msgstr "Ändra Arrays Värde"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle this track on/off."
-msgstr "Växla distraktionsfritt läge."
+msgstr "Ändra spårets läge till på/av."
 
 #: editor/animation_track_editor.cpp
 msgid "Update Mode (How this property is set)"
@@ -222,9 +214,8 @@ msgid "Remove this track."
 msgstr "Ta bort valt spår."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Time (s): "
-msgstr "Tid:"
+msgstr "Tid (s): "
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle Track Enabled"
@@ -245,11 +236,11 @@ msgstr "Trigger"
 
 #: editor/animation_track_editor.cpp
 msgid "Capture"
-msgstr ""
+msgstr "FÃ¥nga"
 
 #: editor/animation_track_editor.cpp
 msgid "Nearest"
-msgstr ""
+msgstr "Närmaste"
 
 #: editor/animation_track_editor.cpp editor/plugins/curve_editor_plugin.cpp
 #: editor/property_editor.cpp
@@ -258,7 +249,7 @@ msgstr "Linjär"
 
 #: editor/animation_track_editor.cpp
 msgid "Cubic"
-msgstr ""
+msgstr "Kubik"
 
 #: editor/animation_track_editor.cpp
 msgid "Clamp Loop Interp"
@@ -271,22 +262,20 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key"
-msgstr ""
+msgstr "Lägg till nyckel"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Duplicate Key(s)"
-msgstr "Duplicera Nod(er)"
+msgstr "Duplicera Nycklar"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Delete Key(s)"
-msgstr "Ta bort Nod(er)"
+msgstr "Ta bort Nycklar"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Ändra Animationsnamn:"
+msgstr "Ändra Animationens Uppdateringsläge"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -1531,8 +1520,22 @@ msgstr "Packar"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1588,7 +1591,7 @@ msgstr "Visa I Filhanteraren"
 msgid "New Folder..."
 msgstr "Ny Mapp..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Uppdatera"
 
@@ -1668,10 +1671,33 @@ msgstr "Flytta Favorit Upp"
 msgid "Move Favorite Down"
 msgstr "Flytta Favorit Ner"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Föregående flik"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Skapa Mapp"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Gå till överordnad mapp"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Kunde inte skapa mapp."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 #, fuzzy
 msgid "Directories & Files:"
@@ -1930,10 +1956,9 @@ msgstr "Output:"
 msgid "Project export failed with error code %d."
 msgstr "Projekt exporten misslyckades med följande felmeddelande %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
-msgid "Error saving resource!"
-msgstr "Fel vid sparande av resurs!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1941,6 +1966,17 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+#, fuzzy
+msgid "Error saving resource!"
+msgstr "Fel vid sparande av resurs!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Spara Resurs Som..."
 
@@ -3339,14 +3375,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3504,11 +3532,6 @@ msgid "Search files"
 msgstr "Sök Klasser"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Instansiera valda scen(er) som barn till vald Node."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5572,19 +5595,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5678,11 +5701,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6307,6 +6330,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7447,6 +7478,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Nästa Skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Föregående Skript"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7602,6 +7651,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Skapa Prenumeration"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Ta Bort Mall"
@@ -7731,6 +7789,11 @@ msgid "Exporting All"
 msgstr "Exportera"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Sökvägen finns inte."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10498,6 +10561,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10512,6 +10581,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10663,6 +10738,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Lägg till nuvarande färg som en förinställning"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 #, fuzzy
 msgid "Alert!"
@@ -10673,6 +10756,11 @@ msgstr "Varning!"
 msgid "Please Confirm..."
 msgstr "Vänligen Bekräfta..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Gå till överordnad mapp"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10750,6 +10838,10 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#, fuzzy
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Instansiera valda scen(er) som barn till vald Node."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/ta.po b/editor/translations/ta.po
index ef56649851..1bb5f50fe1 100644
--- a/editor/translations/ta.po
+++ b/editor/translations/ta.po
@@ -1351,8 +1351,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1400,7 +1414,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1475,10 +1489,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1694,8 +1728,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1704,6 +1738,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2938,14 +2982,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3082,10 +3118,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5023,19 +5055,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5126,11 +5158,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5712,6 +5744,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6768,6 +6808,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6908,6 +6964,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -7026,6 +7090,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9581,6 +9649,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9595,6 +9669,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9738,6 +9818,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9746,6 +9834,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/te.po b/editor/translations/te.po
index c0b3ef05a8..9b70573576 100644
--- a/editor/translations/te.po
+++ b/editor/translations/te.po
@@ -1335,8 +1335,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1384,7 +1398,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1459,10 +1473,30 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1678,8 +1712,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1688,6 +1722,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2922,14 +2966,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3065,10 +3101,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -4997,19 +5029,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5100,11 +5132,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5685,6 +5717,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6737,6 +6777,22 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6875,6 +6931,14 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr ""
 
@@ -6992,6 +7056,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9543,6 +9611,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9557,6 +9631,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9700,6 +9780,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9708,6 +9796,10 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr ""
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/th.po b/editor/translations/th.po
index 9637545869..79ad3c5357 100644
--- a/editor/translations/th.po
+++ b/editor/translations/th.po
@@ -1407,8 +1407,22 @@ msgstr "�ำลังรวบรวม"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1461,7 +1475,7 @@ msgstr "�สดงในตัวจัด�ารไฟล์"
 msgid "New Folder..."
 msgstr "สร้างโฟลเดอร์..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "รีเฟรช"
 
@@ -1536,10 +1550,35 @@ msgstr "เลื่อนโฟลเดอร์ที่ชอบขึ้น
 msgid "Move Favorite Down"
 msgstr "เลื่อนโฟลเดอร์ที่ชอบลง"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "ไปชั้นล่าง"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "ไปชั้นบน"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "ไปยังโฟลเดอร์หลั�"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "ไม่สามารถสร้างโฟลเดอร์"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "�สดงเป็นภาพตัวอย่าง"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "�สดงเป็นรายชื่อไฟล์"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "ไฟล์�ละโฟลเดอร์:"
@@ -1775,9 +1814,9 @@ msgstr "ลบข้อความ"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "บันทึ�รีซอร์สผิดพลาด!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1785,6 +1824,16 @@ msgid "OK"
 msgstr "ต�ลง"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "บันทึ�รีซอร์สผิดพลาด!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "บันทึ�รีซอร์สเป็น..."
 
@@ -3074,16 +3123,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "ไม่สามารถไปยัง '%s' เนื่องจา�ไม่พบในระบบ!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "�สดงเป็นภาพตัวอย่าง"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "�สดงเป็นรายชื่อไฟล์"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr "สถานะ: นำเข้าไฟล์ล้มเหลว �รุณา��้ไขไฟล์�ละนำเข้าใหม่"
 
@@ -3227,10 +3266,6 @@ msgid "Search files"
 msgstr "ค้นหาคลาส"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "อินส�ตนซ์ฉา�ที่เลือ�ให้เป็นโหนดลู�ของโหนดที่เลือ�"
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5274,6 +5309,10 @@ msgid "Generating Visibility Rect"
 msgstr "สร้าง�รอบ�ารมองเห็น"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "สร้าง�รอบ�ารมองเห็น"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "สามารถ�ำหนดจุดให้��่ ParticlesMaterial เท่านั้น"
 
@@ -5286,10 +5325,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "รูปไม่มีพิ�เซลใดที่ความโปร่ง�สง > 128 ..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "สร้าง�รอบ�ารมองเห็น"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "โหลด Mask �ารปะทุ"
 
@@ -5378,13 +5413,13 @@ msgid "Generating AABB"
 msgstr "สร้างเส้น�รอบ"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "สร้างเส้น�รอบ"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "สร้างเส้น�รอบ�ารมองเห็น"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "สร้างเส้น�รอบ"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "ลบจุดในเส้นโค้ง"
@@ -6001,6 +6036,14 @@ msgid "Open Godot online documentation"
 msgstr "เปิดคู่มือ"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "ค้นหาคู่มือ"
 
@@ -7106,6 +7149,24 @@ msgid "Merge from Scene"
 msgstr "รวมจา�ฉา�"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "ไปชั้นบน"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "ไปชั้นล่าง"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7267,6 +7328,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "ย้ายรูปหลายเหลี่ยม"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "ย้ายรูปหลายเหลี่ยม"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "ลบ�ม่�บบ"
 
@@ -7403,6 +7474,11 @@ msgid "Exporting All"
 msgstr "ส่งออ�สำหรับ %s"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "ไม่พบไฟล์"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "�ม่�บบส่งออ�สำหรับ�พลตฟอร์มนี้สู�หาย/เสียหาย:"
 
@@ -10067,6 +10143,12 @@ msgid ""
 "shape resource for it!"
 msgstr "ต้องมีรูปทรงเพื่อให้ CollisionShape ทำงานได้ �รุณาสร้างรูปทรง!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 #, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
@@ -10082,6 +10164,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "วาง�นว meshes"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr "ต้องมี NavigationMesh เพื่อให้โหนดนี้ทำงานได้"
@@ -10239,6 +10327,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "เพิ่มสีที่เลือ�ในราย�ารโปรด"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "�จ้งเตือน!"
@@ -10247,6 +10343,11 @@ msgstr "�จ้งเตือน!"
 msgid "Please Confirm..."
 msgstr "�รุณายืนยัน..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "ไปยังโฟลเดอร์หลั�"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10331,6 +10432,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "อินส�ตนซ์ฉา�ที่เลือ�ให้เป็นโหนดลู�ของโหนดที่เลือ�"
+
 #~ msgid "FPS"
 #~ msgstr "เฟรมต่อวินาที"
 
diff --git a/editor/translations/tr.po b/editor/translations/tr.po
index 8111bff345..6ee2fd344a 100644
--- a/editor/translations/tr.po
+++ b/editor/translations/tr.po
@@ -21,12 +21,14 @@
 # Oğuzhan Özdemir <ozdemiroguzhan0@gmail.com>, 2018.
 # Alper Çitmen <alper.citmen@gmail.com>, 2019.
 # ege1212 <owlphp@gmail.com>, 2019.
+# Ömer YAZICIOĞLU <oyazicioglu@gmail.com>, 2019.
+# Mertcan Duman <mertcan.dmn16@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-13 07:10+0000\n"
-"Last-Translator: ege1212 <owlphp@gmail.com>\n"
+"PO-Revision-Date: 2019-03-19 15:04+0000\n"
+"Last-Translator: Mertcan Duman <mertcan.dmn16@gmail.com>\n"
 "Language-Team: Turkish <https://hosted.weblate.org/projects/godot-engine/"
 "godot/tr/>\n"
 "Language: tr\n"
@@ -34,7 +36,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n != 1;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -63,22 +65,20 @@ msgid "Invalid operands to operator %s, %s and %s."
 msgstr "%s düğümünde geçersiz indeks özelliği ismi '%s'."
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid index of type %s for base type %s"
-msgstr "%s düğümünde geçersiz indeks özelliği ismi '%s'."
+msgstr "%s temel tipi için, %s tipinde geçersiz index."
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
-msgstr ""
+msgstr "%s temel tipi için, geçersiz isimlendirilmiş index %s"
 
 #: core/math/expression.cpp
-#, fuzzy
 msgid "Invalid arguments to construct '%s'"
-msgstr ": Şu tür için geçersiz değiştirgen: "
+msgstr "'%s' oluşturulurken geçersiz argümanlar atandı."
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
-msgstr ""
+msgstr "'%s': çağrıldığında."
 
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -92,7 +92,7 @@ msgstr "DengelenmiÅŸ"
 #: editor/animation_bezier_editor.cpp
 #, fuzzy
 msgid "Mirror"
-msgstr "X'e Aynala"
+msgstr "ayna"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
@@ -147,9 +147,8 @@ msgid "Anim Change Call"
 msgstr "Animasyon Değişikliği Çağrısı"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Animasyon Döngüsünü Değiştir"
+msgstr "Animasyon UzunluÄŸunu DeÄŸiÅŸtir"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -162,41 +161,36 @@ msgid "Property Track"
 msgstr "Özellik:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "3D Transform Track"
-msgstr "Dönüştürme Türü"
+msgstr "3D Dönüştürücü İzi"
 
 #: editor/animation_track_editor.cpp
 msgid "Call Method Track"
-msgstr ""
+msgstr "Yöntem Çağırma İzi"
 
 #: editor/animation_track_editor.cpp
 msgid "Bezier Curve Track"
-msgstr ""
+msgstr "Bezier EÄŸri Ä°zi"
 
 #: editor/animation_track_editor.cpp
 msgid "Audio Playback Track"
-msgstr ""
+msgstr "Ses Oynatıcı İzi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Playback Track"
-msgstr "Animasyonu oynatmayı durdur. (S)"
+msgstr "Animasyon Oynatıcı İzi"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track"
-msgstr "Animasyon Ä°z Ekle"
+msgstr "Ä°z Ekle"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Length Time (seconds)"
-msgstr "Animasyon uzunluÄŸu (saniye)."
+msgstr "Animasyon UzunluÄŸu (saniye)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation Looping"
-msgstr "Animasyon yaklaÅŸ."
+msgstr "Animasyon Döngüsü"
 
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -204,52 +198,44 @@ msgid "Functions:"
 msgstr "Ä°ÅŸlevler:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Audio Clips:"
-msgstr "Ses Dinleyici"
+msgstr "Ses Klipsi:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Anim Clips:"
-msgstr "Parçalar"
+msgstr "Animasyon Klipsleri:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Dizi DeÄŸerini DeÄŸiÅŸtir"
+msgstr "Ä°z Yolunu DeÄŸiÅŸtir"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle this track on/off."
-msgstr "Dikkat-Dağıtmayan Kipine geç."
+msgstr "Bu izi Aç/Kapat."
 
 #: editor/animation_track_editor.cpp
 msgid "Update Mode (How this property is set)"
-msgstr ""
+msgstr "Güncelleme Kipi (Bu özellik nasıl belirlenir)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Interpolation Mode"
-msgstr "Animasyon Düğümü"
+msgstr "AradeÄŸerleme Kipi"
 
 #: editor/animation_track_editor.cpp
 msgid "Loop Wrap Mode (Interpolate end with beginning on loop)"
-msgstr ""
+msgstr "Döngü Örtü Kipi (Döngünün başlangıcını sonu ile aradeğerle)"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Remove this track."
-msgstr "Seçilen izleri sil."
+msgstr "Bu izi sil."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Time (s): "
-msgstr "X-Sönülme Süresi (sn):"
+msgstr "Süresi (sn): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Çoğaltıcı Aktif"
+msgstr "İz Dönüştürücü Etkin"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -264,13 +250,12 @@ msgid "Trigger"
 msgstr "Tetikleyici"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Capture"
-msgstr "Özellikler"
+msgstr "Yakala"
 
 #: editor/animation_track_editor.cpp
 msgid "Nearest"
-msgstr ""
+msgstr "En Yakın"
 
 #: editor/animation_track_editor.cpp editor/plugins/curve_editor_plugin.cpp
 #: editor/property_editor.cpp
@@ -279,15 +264,15 @@ msgstr "DoÄŸrusal"
 
 #: editor/animation_track_editor.cpp
 msgid "Cubic"
-msgstr ""
+msgstr "Kübik"
 
 #: editor/animation_track_editor.cpp
 msgid "Clamp Loop Interp"
-msgstr ""
+msgstr "Döngü Aradeğerlemesini Kıskaçla"
 
 #: editor/animation_track_editor.cpp
 msgid "Wrap Loop Interp"
-msgstr ""
+msgstr "Döngü Aradeğerlemesin Sar"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
@@ -305,19 +290,16 @@ msgid "Delete Key(s)"
 msgstr "Düğümleri Sil"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Animasyonun Adını Değiştir:"
+msgstr "Animasyonun Güncelleme Kipini Değiştir"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Animasyon Düğümü"
+msgstr "Animasyon AradeÄŸerleme Kipini DeÄŸiÅŸtir"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Animasyon Döngüsünü Değiştir"
+msgstr "Animasyon Döngü Kipini Değiştir"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -347,6 +329,7 @@ msgstr "Animasyon Gir"
 #: editor/animation_track_editor.cpp
 msgid "AnimationPlayer can't animate itself, only other players."
 msgstr ""
+"Animasyon Oynatıcısı kendisini oynatamaz, sadece diğer oynatıcılar yapabilir."
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Create & Insert"
@@ -363,12 +346,11 @@ msgstr "Animasyon Anahtar Gir"
 #: editor/animation_track_editor.cpp
 #, fuzzy
 msgid "Change Animation Step"
-msgstr "Animasyon FPS'sini DeÄŸiÅŸtir"
+msgstr "Animasyon Adımını Değiştir"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "KendindenYüklenme'leri Yeniden Sırala"
+msgstr "İzleri Yeniden Sırala"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -381,69 +363,68 @@ msgid ""
 "-AudioStreamPlayer2D\n"
 "-AudioStreamPlayer3D"
 msgstr ""
+"Ses izleri sadece şu düğüm tiplerini işaret edebilir:\n"
+"-SesAkışOynatıcı\n"
+"-SesAkışOynatıcı2D\n"
+"-SesAkışOynatıcı3D"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation tracks can only point to AnimationPlayer nodes."
-msgstr ""
+msgstr "Animasyon izleri sadece AnimasyonOynatıcı düğümlerini işaret edebilir."
 
 #: editor/animation_track_editor.cpp
 msgid "An animation player can't animate itself, only other players."
 msgstr ""
+"Bir animasyon oynatıcı kendisini oynamataz, sadece diğer oynatıcılar "
+"yapaibilir."
 
 #: editor/animation_track_editor.cpp
 msgid "Not possible to add a new track without a root"
-msgstr ""
+msgstr "Bir kök olmadan yeni bir iz eklemek mümkün değildir"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Animasyon Ä°z Ekle"
+msgstr "Bezier Ä°z Ekle"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
-msgstr ""
+msgstr "Bu yol geçersizdir, dolayısı ile anahtar eklenemez."
 
 #: editor/animation_track_editor.cpp
 msgid "Track is not of type Spatial, can't insert key"
-msgstr ""
+msgstr "Ä°z, Spatial tipinde deÄŸildir, anahtar eklenemez"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Dönüştürme Türü"
+msgstr "Dönüştürme İz Anahtarı Ekle"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Animasyon Ä°z Ekle"
+msgstr "İz Anahtarı Ekle"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
-msgstr ""
+msgstr "İz yolu geçersizdir, dolayısı ile yöntem anahtarı eklenemez."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Animasyon Ä°z & Anahtar Gir"
+msgstr "Yöntem İz Anahtarı Ekle"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Method not found in object: "
-msgstr "VariableGet betikte bulunamadı: "
+msgstr "Yöntem, nesne içinde bulunamadı "
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Move Keys"
 msgstr "Animasyon Anahtarları Taşı"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Clipboard is empty"
-msgstr "Pano boÅŸ!"
+msgstr "Pano boÅŸ"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Paste Tracks"
-msgstr "Parametreleri Yapıştır"
+msgstr "İzleri Yapıştır"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Scale Keys"
@@ -453,14 +434,15 @@ msgstr "Animasyon Anahtarı Ölçekle"
 msgid ""
 "This option does not work for Bezier editing, as it's only a single track."
 msgstr ""
+"Bu seçenek yalnızca tek izli olduğundan, Bezier düzenlemede işe yaramaz."
 
 #: editor/animation_track_editor.cpp
 msgid "Only show tracks from nodes selected in tree."
-msgstr ""
+msgstr "sadece ağaç'ta seçili düğümlerdeki izleri göster."
 
 #: editor/animation_track_editor.cpp
 msgid "Group tracks by node or display them as plain list."
-msgstr ""
+msgstr "İzleri düğüme göre grupla veya onları düz liste olarak göster."
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -468,9 +450,8 @@ msgid "Snap (s): "
 msgstr "Yapış (Noktalara):"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation step value."
-msgstr "Animasyon ağacı geçerlidir."
+msgstr "Animasyon adım değeri."
 
 #: editor/animation_track_editor.cpp editor/editor_properties.cpp
 #: editor/plugins/polygon_2d_editor_plugin.cpp
@@ -482,14 +463,12 @@ msgid "Edit"
 msgstr "Düzenle"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Animation properties."
-msgstr "AnimasyonAğacı"
+msgstr "Animasyon özellikleri."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Copy Tracks"
-msgstr "Değişkenleri Tıpkıla"
+msgstr "Ä°zleri Kopyala"
 
 #: editor/animation_track_editor.cpp
 msgid "Scale Selection"
@@ -532,11 +511,11 @@ msgstr "Animasyonda temizlik yap"
 
 #: editor/animation_track_editor.cpp
 msgid "Pick the node that will be animated:"
-msgstr ""
+msgstr "Anime edilecek düğümü seç:"
 
 #: editor/animation_track_editor.cpp
 msgid "Use Bezier Curves"
-msgstr ""
+msgstr "Bezier EÄŸrileri Kullan"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim. Optimizer"
@@ -584,7 +563,7 @@ msgstr "Ölçek Oranı:"
 
 #: editor/animation_track_editor.cpp
 msgid "Select tracks to copy:"
-msgstr ""
+msgstr "Kopyalanacak izleri seç:"
 
 #: editor/animation_track_editor.cpp editor/editor_properties.cpp
 #: editor/plugins/animation_player_editor_plugin.cpp
@@ -595,17 +574,16 @@ msgid "Copy"
 msgstr "Tıpkıla"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Ses Dinleyici"
+msgstr "Ses Ä°z Klipsi Ekle"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Ses İz Klipsi Başlangıç Kaymasını Değiştir"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Ses İz Klipsi Bitiş Kaymasını Değiştir"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -677,7 +655,7 @@ msgstr "Uyarılar"
 
 #: editor/code_editor.cpp
 msgid "Line and column numbers."
-msgstr ""
+msgstr "Satır ve sütun numaraları."
 
 #: editor/connections_dialog.cpp
 msgid "Method in target Node must be specified!"
@@ -761,9 +739,8 @@ msgid "Disconnect '%s' from '%s'"
 msgstr "Şunun: '%s' şununla: '%s' bağlantısını kes"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Disconnect all from signal: '%s'"
-msgstr "Şunun: '%s' şununla: '%s' bağlantısını kes"
+msgstr "'%s' sinyali ile tüm bağlantıları kes"
 
 #: editor/connections_dialog.cpp
 msgid "Connect..."
@@ -777,17 +754,17 @@ msgstr "Bağlantıyı kes"
 #: editor/connections_dialog.cpp
 #, fuzzy
 msgid "Connect Signal: "
-msgstr "Bağlantı Sinyali:"
+msgstr "Bağlantı Sinyali: "
 
 #: editor/connections_dialog.cpp
 #, fuzzy
 msgid "Edit Connection: "
-msgstr "Bağlantıları Düzenle"
+msgstr "Bağlantıları Düzenle "
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Are you sure you want to remove all connections from the \"%s\" signal?"
-msgstr "Birden fazla projeyi çalıştırmaya kararlı mısınız?"
+msgstr ""
+"\"%s\" sinyalinden tüm bağlantıları kaldırmak istediğinizden emin misiniz?"
 
 #: editor/connections_dialog.cpp editor/editor_help.cpp editor/node_dock.cpp
 msgid "Signals"
@@ -795,12 +772,11 @@ msgstr "Sinyaller"
 
 #: editor/connections_dialog.cpp
 msgid "Are you sure you want to remove all connections from this signal?"
-msgstr ""
+msgstr "Bu sinyalden, tüm bağlantıları kaldırmak istediğinizden emin misiniz?"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Disconnect All"
-msgstr "Bağlantıyı kes"
+msgstr "Tüm Bağlantıları Kes"
 
 #: editor/connections_dialog.cpp
 #, fuzzy
@@ -808,13 +784,12 @@ msgid "Edit..."
 msgstr "Düzenle"
 
 #: editor/connections_dialog.cpp
-#, fuzzy
 msgid "Go To Method"
-msgstr "Metotlar"
+msgstr "Yönteme Git"
 
 #: editor/create_dialog.cpp
 msgid "Change %s Type"
-msgstr "%s Tipini deÄŸiÅŸtir"
+msgstr "%s Tipini DeÄŸiÅŸtir"
 
 #: editor/create_dialog.cpp editor/project_settings_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -823,7 +798,7 @@ msgstr "DeÄŸiÅŸtir"
 
 #: editor/create_dialog.cpp
 msgid "Create New %s"
-msgstr "Yeni %s oluÅŸtur"
+msgstr "Yeni %s OluÅŸtur"
 
 #: editor/create_dialog.cpp editor/editor_file_dialog.cpp
 #: editor/filesystem_dock.cpp
@@ -957,7 +932,7 @@ msgstr "Hangi eylem alınmalı?"
 
 #: editor/dependency_editor.cpp
 msgid "Fix Dependencies"
-msgstr "Bağımlılıkları düzelt"
+msgstr "Bağımlılıkları Düzelt"
 
 #: editor/dependency_editor.cpp
 msgid "Errors loading!"
@@ -1096,7 +1071,6 @@ msgid "Uncompressing Assets"
 msgstr "Varlıklar Çıkartılıyor"
 
 #: editor/editor_asset_installer.cpp editor/project_manager.cpp
-#, fuzzy
 msgid "Package installed successfully!"
 msgstr "Paket Başarı ile Kuruldu!"
 
@@ -1426,8 +1400,22 @@ msgstr "Çıkınla"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1480,7 +1468,7 @@ msgstr "Dosya Yöneticisinde Göster"
 msgid "New Folder..."
 msgstr "Yeni Klasör..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Yenile"
 
@@ -1555,10 +1543,35 @@ msgstr "Beğenileni Yukarı Taşı"
 msgid "Move Favorite Down"
 msgstr "Beğenileni Aşağı Taşı"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Önceki Zemin"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Sonraki Zemin"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Üst klasöre git"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Klasör oluşturulamadı."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a grid of thumbnails."
+msgstr "Öğeleri küçük resim ızgarası şeklinde göster"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+#, fuzzy
+msgid "View items as a list."
+msgstr "Öğeleri liste olarak göster"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Dizinler & Dosyalar:"
@@ -1799,9 +1812,9 @@ msgstr "Çıktıyı Temizle"
 msgid "Project export failed with error code %d."
 msgstr "Proje dışa aktarımı %d hata koduyla başarısız."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Kaynak kaydedilirken hata!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1809,6 +1822,16 @@ msgid "OK"
 msgstr "Tamam"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Kaynak kaydedilirken hata!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Kaynağı Farklı Kaydet..."
 
@@ -3132,16 +3155,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "Gidilemiyor. '%s' bu dosya sisteminde bulunamadı!"
 
 #: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a grid of thumbnails."
-msgstr "Öğeleri küçük resim ızgarası şeklinde göster"
-
-#: editor/filesystem_dock.cpp
-#, fuzzy
-msgid "View items as a list."
-msgstr "Öğeleri liste olarak göster"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Durum: Dosya içe aktarma başarısız oldu. Lütfen dosyayı onarın ve tekrar içe "
@@ -3287,10 +3300,6 @@ msgid "Search files"
 msgstr "Sınıfları Ara"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Seçilen sahneyi/sahneleri seçilen düğüme çocuk olarak örneklendir."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5340,6 +5349,10 @@ msgid "Generating Visibility Rect"
 msgstr "Görünebilirlik Dikdörtgeni Üret"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Görünebilirlik Dikdörtgeni Üret"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "Nokta sadece ParçacıkMateryal işlem materyalinin içinde ayarlanabilir"
 
@@ -5352,10 +5365,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "Saydamlığı olan nokta yok > 128 bedizde..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Görünebilirlik Dikdörtgeni Üret"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Yayma Maskesini Yükle"
 
@@ -5444,13 +5453,13 @@ msgid "Generating AABB"
 msgstr "AABB Ãœretimi"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "AABB Ãœret"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "Görünebilirlik AABB'si Üret"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "AABB Ãœret"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "Noktayı Eğriden Kaldır"
@@ -6067,6 +6076,14 @@ msgid "Open Godot online documentation"
 msgstr "Çevrimiçi Godot dökümanlarını aç"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "BaÅŸvuru belgelerinde arama yap."
 
@@ -7169,6 +7186,24 @@ msgid "Merge from Scene"
 msgstr "Sahneden BirleÅŸtir"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "Sonraki Zemin"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Önceki Zemin"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7332,6 +7367,16 @@ msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
+msgid "Make Polygon Concave"
+msgstr "Çokgeni Taşı"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Çokgeni Taşı"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
 msgid "Remove Tile"
 msgstr "Şablonu Kaldır"
 
@@ -7467,6 +7512,11 @@ msgid "Exporting All"
 msgstr "%s için Dışa Aktarım"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "Yol mevcut deÄŸil."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "Bu platform için dışa aktarma şablonu eksik/bozuk:"
 
@@ -10186,6 +10236,12 @@ msgstr ""
 "CollisionShape'in çalışması için bir şekil verilmelidir. Lütfen bunun için "
 "bir şekil kaynağı oluşturun!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 #, fuzzy
 msgid "Nothing is visible because no mesh has been assigned."
@@ -10202,6 +10258,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Örüntüler Haritalanıyor"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10376,6 +10438,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "Şuanki rengi bir önayar olarak kaydet"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Uyarı!"
@@ -10384,6 +10454,11 @@ msgstr "Uyarı!"
 msgid "Please Confirm..."
 msgstr "Lütfen Doğrulayın..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "Üst klasöre git"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10470,6 +10545,9 @@ msgstr ""
 msgid "Varyings can only be assigned in vertex function."
 msgstr ""
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Seçilen sahneyi/sahneleri seçilen düğüme çocuk olarak örneklendir."
+
 #~ msgid "FPS"
 #~ msgstr "FPS"
 
diff --git a/editor/translations/uk.po b/editor/translations/uk.po
index 944fa20e28..95f9d87aae 100644
--- a/editor/translations/uk.po
+++ b/editor/translations/uk.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Ukrainian (Godot Engine)\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-21 21:18+0000\n"
+"PO-Revision-Date: 2019-03-12 15:26+0000\n"
 "Last-Translator: Yuri Chornoivan <yurchor@ukr.net>\n"
 "Language-Team: Ukrainian <https://hosted.weblate.org/projects/godot-engine/"
 "godot/uk/>\n"
@@ -25,7 +25,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
 "%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.5.1\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -94,14 +94,12 @@ msgid "Delete Selected Key(s)"
 msgstr "Вилучити позначені ключі"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Add Bezier Point"
-msgstr "Додати точку"
+msgstr "Додати точку Безьє"
 
 #: editor/animation_bezier_editor.cpp
-#, fuzzy
 msgid "Move Bezier Points"
-msgstr "Перемі�тити точки"
+msgstr "Перемі�тити точки Безьє"
 
 #: editor/animation_bezier_editor.cpp editor/animation_track_editor.cpp
 msgid "Anim Duplicate Keys"
@@ -132,9 +130,8 @@ msgid "Anim Change Call"
 msgstr "Змінити виклик анімації"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "Змінити цикл анімації"
+msgstr "Змінити тривалі�ть анімації"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -191,9 +188,8 @@ msgid "Anim Clips:"
 msgstr "Кліпи анімації:"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Track Path"
-msgstr "Змінити значенн� ма�иву"
+msgstr "Змінити шл�х доріжки"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
@@ -220,9 +216,8 @@ msgid "Time (s): "
 msgstr "Ча� (�): "
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Toggle Track Enabled"
-msgstr "Ефект Доплера"
+msgstr "Увімкнути/Вимкнути доріжку"
 
 #: editor/animation_track_editor.cpp
 msgid "Continuous"
@@ -275,19 +270,16 @@ msgid "Delete Key(s)"
 msgstr "Вилучити ключі"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Update Mode"
-msgstr "Змінити ім'� анімації:"
+msgstr "Змінити режим оновленн� анімації"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Interpolation Mode"
-msgstr "Режим інтерпол�ції"
+msgstr "Змінити режим інтерпол�ції анімації"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Loop Mode"
-msgstr "Змінити цикл анімації"
+msgstr "Змінити режим циклу анімації"
 
 #: editor/animation_track_editor.cpp
 msgid "Remove Anim Track"
@@ -331,14 +323,12 @@ msgid "Anim Insert Key"
 msgstr "В�тавити ключ анімації"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Step"
-msgstr "Змінити ча�тоту кадрів анімації"
+msgstr "Змінити крок анімації"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Rearrange Tracks"
-msgstr "Змінити пор�док автозавантажень"
+msgstr "Перевпор�дкувати доріжки"
 
 #: editor/animation_track_editor.cpp
 msgid "Transform tracks only apply to Spatial-based nodes."
@@ -371,9 +361,8 @@ msgid "Not possible to add a new track without a root"
 msgstr "�е можна додавати нові доріжки без кореневого запи�у"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Bezier Track"
-msgstr "Додати доріжку"
+msgstr "Додати доріжку Безьє"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a key."
@@ -384,23 +373,20 @@ msgid "Track is not of type Spatial, can't insert key"
 msgstr "Доріжка не належить до типу Spatial, не можна в�тавл�ти ключ"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Transform Track Key"
-msgstr "Доріжка про�торового перетворенн�"
+msgstr "Додати ключ доріжки перетворенн�"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Track Key"
-msgstr "Додати доріжку"
+msgstr "Додати ключ доріжки"
 
 #: editor/animation_track_editor.cpp
 msgid "Track path is invalid, so can't add a method key."
 msgstr "Шл�х доріжки є некоректним, отже не можна додавати ключ методу."
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Add Method Track Key"
-msgstr "Доріжка виклику методів"
+msgstr "Додати ключ доріжки методів"
 
 #: editor/animation_track_editor.cpp
 msgid "Method not found in object: "
@@ -564,17 +550,16 @@ msgid "Copy"
 msgstr "Копіювати"
 
 #: editor/animation_track_editor_plugins.cpp
-#, fuzzy
 msgid "Add Audio Track Clip"
-msgstr "Звукові кліпи:"
+msgstr "Додати кліп звукової доріжки"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip Start Offset"
-msgstr ""
+msgstr "Змінити з�ув початку кліпу звукової доріжки"
 
 #: editor/animation_track_editor_plugins.cpp
 msgid "Change Audio Track Clip End Offset"
-msgstr ""
+msgstr "Змінити з�ув кінц� кліпу звукової доріжки"
 
 #: editor/array_property_edit.cpp
 msgid "Resize Array"
@@ -1387,9 +1372,30 @@ msgstr "Пакуванн�"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+"Платформа призначенн� потребує �ти�канн� тек�тур «ETC» дл� GLES2. Увімкніть "
+"пункт «Імпортувати ETC» у параметрах проекту."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+"Платформа призначенн� потребує �ти�канн� тек�тур «ETC2» дл� GLES3. Увімкніть "
+"пункт «Імпортувати ETC 2» у параметрах проекту."
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
+"Платформа призначенн� потребує �ти�канн� тек�тур «ETC» дл� GLES2.\n"
+"Увімкніть пункт «Імпортувати ETC» у параметрах проекту або вимкніть пункт "
+"«Увімкнено резервні драйвери»."
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
 #: platform/iphone/export/export.cpp platform/javascript/export/export.cpp
@@ -1436,7 +1442,7 @@ msgstr "Показати у менеджері файлів"
 msgid "New Folder..."
 msgstr "Створити теку..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Оновити"
 
@@ -1511,10 +1517,30 @@ msgstr "Перемі�тити вибране вгору"
 msgid "Move Favorite Down"
 msgstr "Перемі�тити вибране вниз"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr "Попередн� тека"
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr "�а�тупна тека"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "Перейти до батьків�ької теки"
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr "Перемкнути �тан вибрано�ті дл� поточної теки."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "Перегл�д елементів у вигл�ді �ітки е�кізів."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "Перегл�д елементів �к �пи�ок."
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Каталоги та файли:"
@@ -1737,9 +1763,9 @@ msgstr "Очи�тити вивід"
 msgid "Project export failed with error code %d."
 msgstr "�е вдало�� ек�портувати проект, код помилки — %d."
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "Помилка збереженн� ре�ур�у!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr "�еможливо зберегти імпортовані ре�ур�и."
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1747,6 +1773,18 @@ msgid "OK"
 msgstr "Гаразд"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "Помилка збереженн� ре�ур�у!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+"Цей ре�ур� неможливо зберегти, о�кільки він не належить до редагованої "
+"�цени. Спочатку, зробіть його унікальним."
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "Зберегти ре�ур� �к..."
 
@@ -1967,13 +2005,12 @@ msgid "Save changes to '%s' before closing?"
 msgstr "Зберегти зміни, вне�ені до '%s' перед закритт�м?"
 
 #: editor/editor_node.cpp
-#, fuzzy
 msgid "Saved %s modified resource(s)."
-msgstr "�е вдало�� завантажити ре�ур�."
+msgstr "Збережено змінених ре�ур�ів: %s."
 
 #: editor/editor_node.cpp
 msgid "A root node is required to save the scene."
-msgstr ""
+msgstr "Дл� того, щоб можна було зберегти �цену, потрібен кореневий вузол."
 
 #: editor/editor_node.cpp
 msgid "Save Scene As..."
@@ -3065,14 +3102,6 @@ msgstr ""
 "�еможливо перейти до '%s' , о�кільки він не був знайдений в файловій �и�темі!"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "Перегл�д елементів у вигл�ді �ітки е�кізів."
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "Перегл�д елементів �к �пи�ок."
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 "Стату�: не вдало�� імпортувати файл. Будь ла�ка, виправте файл та повторно "
@@ -3210,10 +3239,6 @@ msgid "Search files"
 msgstr "Шукати файли"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "Додати вибрану �цену(и), �к нащадка вибраного вузла."
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -3614,19 +3639,16 @@ msgstr "Завантажити…"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Move Node Point"
-msgstr "Перемі�тити точки"
+msgstr "Пере�унути вузлову точку"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Limits"
-msgstr "Змінити ча� змішуванн�"
+msgstr "Змінити обмеженн� BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace1D Labels"
-msgstr "Змінити ча� змішуванн�"
+msgstr "Змінити мітки BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3638,24 +3660,21 @@ msgstr ""
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Node Point"
-msgstr "Додати вузол"
+msgstr "Додати вузлову точку"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Animation Point"
-msgstr "Додаванн� анімації"
+msgstr "Додати точку анімації"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace1D Point"
-msgstr "Видалити точку шл�ху"
+msgstr "Вилучити точку BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 msgid "Move BlendSpace1D Node Point"
-msgstr ""
+msgstr "Пере�унути вузлову точку BlendSpace1D"
 
 #: editor/plugins/animation_blend_space_1d_editor.cpp
 #: editor/plugins/animation_blend_space_2d_editor.cpp
@@ -3703,29 +3722,24 @@ msgid "Triangle already exists"
 msgstr "Трикутник вже і�нує"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Add Triangle"
-msgstr "Додати змінну"
+msgstr "Додати трикутник"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Limits"
-msgstr "Змінити ча� змішуванн�"
+msgstr "Змінити обмеженн� BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Change BlendSpace2D Labels"
-msgstr "Змінити ча� змішуванн�"
+msgstr "Змінити мітки BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Point"
-msgstr "Видалити точку шл�ху"
+msgstr "Вилучити точку BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Remove BlendSpace2D Triangle"
-msgstr "Вилучити змінну"
+msgstr "Вилучити трикутник BlendSpace2D"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "BlendSpace2D does not belong to an AnimationTree node."
@@ -3736,9 +3750,8 @@ msgid "No triangles exist, so no blending can take place."
 msgstr "Трикутників не і�нує, отже злитт� не є можливим."
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
-#, fuzzy
 msgid "Toggle Auto Triangles"
-msgstr "Увімкнути  автозавантаженн� глобальних �криптів"
+msgstr "Увімкнути або вимкнути автоматичні трикутники"
 
 #: editor/plugins/animation_blend_space_2d_editor.cpp
 msgid "Create triangles by connecting points."
@@ -3758,9 +3771,8 @@ msgid "Blend:"
 msgstr "Змішувати:"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Parameter Changed"
-msgstr "Зміни матеріалу"
+msgstr "Змінено параметр"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_tree_player_editor_plugin.cpp
@@ -3772,15 +3784,13 @@ msgid "Output node can't be added to the blend tree."
 msgstr "Вузол виведенн� не можна додавати до дерева злитт�."
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to BlendTree"
-msgstr "Додати вузли з дерева"
+msgstr "Додати вузол до BlendTree"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Node Moved"
-msgstr "Режим переміщенн�"
+msgstr "Пере�унуто вузол"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -3791,36 +3801,30 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Connected"
-msgstr "З’єднано"
+msgstr "З’єднано вузли"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Nodes Disconnected"
-msgstr "Роз'єднано"
+msgstr "Роз'єднано вузли"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Set Animation"
-msgstr "�ова анімаці�"
+msgstr "В�тановити анімацію"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Delete Node"
-msgstr "Вилучити вузли"
+msgstr "Вилучити вузол"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Toggle Filter On/Off"
-msgstr "Увімкнути або вимкнути цю доріжку."
+msgstr "Увімкнути або вимкнути фільтр"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
-#, fuzzy
 msgid "Change Filter"
-msgstr "Змінено фільтр локалі"
+msgstr "Змінити фільтр"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 msgid "No animation player set, so unable to retrieve track names."
@@ -3844,9 +3848,8 @@ msgstr ""
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Renamed"
-msgstr "�азва вузла"
+msgstr "Перейменовано вузол"
 
 #: editor/plugins/animation_blend_tree_editor_plugin.cpp
 #: editor/plugins/visual_shader_editor_plugin.cpp
@@ -4075,14 +4078,12 @@ msgid "Cross-Animation Blend Times"
 msgstr "Ча� між анімаці�ми"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Move Node"
-msgstr "Режим переміщенн�"
+msgstr "Пере�унути вузол"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Add Transition"
-msgstr "Додати переклад"
+msgstr "Додати перехід"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
@@ -4118,18 +4119,16 @@ msgid "No playback resource set at path: %s."
 msgstr "�е в�тановлено ре�ур�у відтворенн� у шл�ху: %s."
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Node Removed"
-msgstr "Вилучити"
+msgstr "Вилучено вузол"
 
 #: editor/plugins/animation_state_machine_editor.cpp
-#, fuzzy
 msgid "Transition Removed"
-msgstr "Вузол переходу"
+msgstr "Вилучено перехід"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid "Set Start Node (Autoplay)"
-msgstr ""
+msgstr "В�тановити початковий вузол (автовідтворенн�)"
 
 #: editor/plugins/animation_state_machine_editor.cpp
 msgid ""
@@ -4955,7 +4954,7 @@ msgstr "Запекти пробу GI"
 
 #: editor/plugins/gradient_editor_plugin.cpp
 msgid "Gradient Edited"
-msgstr ""
+msgstr "Змінено градієнт"
 
 #: editor/plugins/item_list_editor_plugin.cpp
 msgid "Item %d"
@@ -5213,6 +5212,10 @@ msgid "Generating Visibility Rect"
 msgstr "Створенн� обла�ті видимо�ті"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "Створити обла�ть видимо�ті"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 "По�тавити точку можна тільки в процедурному матеріалі ParticlesMaterial"
@@ -5226,10 +5229,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "В зображенні немає пік�елів з прозорі�тю > 128..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "Створити обла�ть видимо�ті"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "Завантажити ма�ку випромінюванн�"
 
@@ -5317,11 +5316,11 @@ msgid "Generating AABB"
 msgstr "Створенн� AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr "Генерувати AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr "Генерувати AABB"
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5909,6 +5908,14 @@ msgid "Open Godot online documentation"
 msgstr "Відкрити онлайнову документацію Godot"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "Пошук довідкової документації."
 
@@ -6104,14 +6111,12 @@ msgid "This skeleton has no bones, create some children Bone2D nodes."
 msgstr "У цього карка�а немає кі�ток, �творіть хоч �кі�ь дочірні вузли Bone2D."
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Create Rest Pose from Bones"
-msgstr "Створити вільну позу (з кі�ток)"
+msgstr "Створити вільну позу з кі�ток"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
-#, fuzzy
 msgid "Set Rest Pose to Bones"
-msgstr "Створити вільну позу (з кі�ток)"
+msgstr "Створити вільну позу дл� кі�ток"
 
 #: editor/plugins/skeleton_2d_editor_plugin.cpp
 msgid "Skeleton2D"
@@ -6266,7 +6271,6 @@ msgid "Rear"
 msgstr "Ззаду"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Align with View"
 msgstr "Вирівн�ти з перегл�дом"
 
@@ -6363,6 +6367,9 @@ msgid ""
 "Note: The FPS value displayed is the editor's framerate.\n"
 "It cannot be used as a reliable indication of in-game performance."
 msgstr ""
+"Зауваженн�: показана ча�тота кадрів є ча�тотою кадрів у редакторі.\n"
+"Її не можна викори�товувати �к надійне джерело даних щодо ча�тоти кадрів у "
+"грі."
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "View Rotation Locked"
@@ -6373,9 +6380,8 @@ msgid "XForm Dialog"
 msgstr "Вікно XForm"
 
 #: editor/plugins/spatial_editor_plugin.cpp
-#, fuzzy
 msgid "Snap Nodes To Floor"
-msgstr "Приліпити до підлоги"
+msgstr "Приліпити вузли до підлоги"
 
 #: editor/plugins/spatial_editor_plugin.cpp
 msgid "Select Mode (Q)"
@@ -6972,6 +6978,22 @@ msgid "Merge from Scene"
 msgstr "Об'єднати зі �цени"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr "�а�тупна координата"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr "Вибір на�тупної форми, підплитки або плитки."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr "Попередн� координата"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr "Вибір попередньої форми, підплитки або плитки."
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "Копіювати бітову ма�ку."
 
@@ -6984,9 +7006,8 @@ msgid "Erase bitmask."
 msgstr "Витерти бітову ма�ку."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
-#, fuzzy
 msgid "Create a new rectangle."
-msgstr "Створити вузли."
+msgstr "Створити пр�мокутник."
 
 #: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Create a new polygon."
@@ -7130,6 +7151,14 @@ msgid "Clear Tile Bitmask"
 msgstr "Спорожнити бітову ма�ку плитки"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr "Зробити полігон увігнутим"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Convex"
+msgstr "Зробити полігон опуклим"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "Вилучити плитку"
 
@@ -7171,26 +7200,23 @@ msgstr "�абір плиток"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Set Uniform Name"
-msgstr ""
+msgstr "В�тановити однорідну назву"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Set Input Default Port"
-msgstr "В�тановити �к типове дл� '%s'"
+msgstr "В�тановити типовий порт введенн�"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Add Node to Visual Shader"
-msgstr "VisualShader"
+msgstr "Додати вузол до візуального шейдера"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Duplicate Nodes"
 msgstr "Дублювати вузли"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Visual Shader Input Type Changed"
-msgstr ""
+msgstr "Змінено тип введенн� дл� візуального шейдера"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
 msgid "Vertex"
@@ -7209,14 +7235,12 @@ msgid "VisualShader"
 msgstr "VisualShader"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Edit Visual Property"
-msgstr "Редагувати пріоритетні�ть плитки"
+msgstr "Змінити візуальну вла�тиві�ть"
 
 #: editor/plugins/visual_shader_editor_plugin.cpp
-#, fuzzy
 msgid "Visual Shader Mode Changed"
-msgstr "Зміни шейдерів"
+msgstr "Змінено режим візуального шейдерів"
 
 #: editor/project_export.cpp
 msgid "Runnable"
@@ -7235,6 +7259,8 @@ msgid ""
 "Failed to export the project for platform '%s'.\n"
 "Export templates seem to be missing or invalid."
 msgstr ""
+"�е вдало�� ек�портувати проект дл� платформи «%s».\n"
+"Здаєть��, шаблони ек�портуванн� пропущено або вони є некоректними."
 
 #: editor/project_export.cpp
 msgid ""
@@ -7242,6 +7268,9 @@ msgid ""
 "This might be due to a configuration issue in the export preset or your "
 "export settings."
 msgstr ""
+"�е вдало�� ек�портувати проект дл� платформи «%s».\n"
+"Причиною може бути помилка у налаштуванн�х у наборі налаштувань дл� "
+"ек�портуванн� або параметрах ек�портуванн�."
 
 #: editor/project_export.cpp
 msgid "Release"
@@ -7252,6 +7281,10 @@ msgid "Exporting All"
 msgstr "Ек�портуванн� у�ього"
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr "Вказаного шл�ху дл� ек�портуванн� не і�нує:"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 "�е ви�тачає шаблонів ек�портуванн� дл� платформи або шаблони пошкоджено:"
@@ -7703,7 +7736,7 @@ msgid ""
 "'\"'"
 msgstr ""
 "�екоректна назва дії. �азва не може бути порожньою і не може мі�тити "
-"�имволів «/», «:», «=», «\\» та «\"»."
+"�имволів «/», «:», «=», «\\» та «\"»"
 
 #: editor/project_settings_editor.cpp
 msgid "Action '%s' already exists!"
@@ -8295,9 +8328,8 @@ msgid "Instantiated scenes can't become root"
 msgstr "Сцени зі �твореними екземпл�рами не можуть �тавати кореневими"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "Make node as Root"
-msgstr "Зробити кореневим дл� �цени"
+msgstr "Зробити вузол кореневим"
 
 #: editor/scene_tree_dock.cpp
 msgid "Delete Node(s)?"
@@ -8336,9 +8368,8 @@ msgid "Make Local"
 msgstr "Зробити локальним"
 
 #: editor/scene_tree_dock.cpp
-#, fuzzy
 msgid "New Scene Root"
-msgstr "Зробити кореневим дл� �цени"
+msgstr "�овий корінь �цени"
 
 #: editor/scene_tree_dock.cpp
 msgid "Create Root Node:"
@@ -8769,19 +8800,16 @@ msgid "Set From Tree"
 msgstr "В�тановити з дерева"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Erase Shortcut"
-msgstr "Перейти з"
+msgstr "Витерти �короченн�"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Restore Shortcut"
-msgstr "Клавіатурні �короченн�"
+msgstr "Відновити �короченн�"
 
 #: editor/settings_config_dialog.cpp
-#, fuzzy
 msgid "Change Shortcut"
-msgstr "Змінити прив'�зки"
+msgstr "Змінити �короченн�"
 
 #: editor/settings_config_dialog.cpp
 msgid "Shortcuts"
@@ -8990,9 +9018,8 @@ msgid "GridMap Duplicate Selection"
 msgstr "Дублюванн� позначеного GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
-#, fuzzy
 msgid "GridMap Paint"
-msgstr "Параметри GridMap"
+msgstr "Малюнок GridMap"
 
 #: modules/gridmap/grid_map_editor_plugin.cpp
 msgid "Grid Map"
@@ -9379,9 +9406,8 @@ msgid "Change Input Value"
 msgstr "Зміна вхідного значенн�"
 
 #: modules/visual_script/visual_script_editor.cpp
-#, fuzzy
 msgid "Resize Comment"
-msgstr "Змінити розмір CanvasItem"
+msgstr "Змінити розміри коментар�"
 
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Can't copy the function node."
@@ -9985,6 +10011,14 @@ msgstr ""
 "Дл� забезпеченн� працездатно�ті CollisionShape �лід надати форму. Будь "
 "ла�ка, �творіть ре�ур� форми дл� цього елемента!"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+"Форми площин не працюють �к �лід, їх буде вилучено у на�тупних вер�і�х. Будь "
+"ла�ка, не викори�товуйте їх."
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "�ічого не видно, о�кільки не призначено �ітки."
@@ -10001,6 +10035,14 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr "Побудова �ітки"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+"У драйвері GLES2 не передбачено підтримки GIProbes.\n"
+"Скори�тайте�� замі�ть них BakedLightmap."
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10175,6 +10217,18 @@ msgstr "ПеремиканнÑ� між шіÑ�тнадцÑ�тковими значÐ
 msgid "Add current color as a preset."
 msgstr "Додати поточний колір �к шаблон."
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+"Сам контейнер не має призначенн�, �кщо �крипт не налаштовує поведінку щодо "
+"розташуванн� його дочірніх об'єктів.\n"
+"Якщо ви не маєте наміру додавати �крипт, будь ла�ка, �кори�тайте�� замі�ть "
+"контейнера звичайним вузлом «Control»."
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Увага!"
@@ -10183,6 +10237,10 @@ msgstr "Увага!"
 msgid "Please Confirm..."
 msgstr "Будь ла�ка, підтвердьте..."
 
+#: scene/gui/file_dialog.cpp
+msgid "Go to parent folder."
+msgstr "Перейти до батьків�ької теки."
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10268,6 +10326,9 @@ msgstr "Призначенн� однорідного."
 msgid "Varyings can only be assigned in vertex function."
 msgstr "Змінні величини можна пов'�зувати лише із функцією вузлів."
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "Додати вибрану �цену(и), �к нащадка вибраного вузла."
+
 #~ msgid "FPS"
 #~ msgstr "Кадри за �екунду"
 
diff --git a/editor/translations/ur_PK.po b/editor/translations/ur_PK.po
index f3367675ef..72cbf7eb88 100644
--- a/editor/translations/ur_PK.po
+++ b/editor/translations/ur_PK.po
@@ -1351,8 +1351,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1401,7 +1415,7 @@ msgstr ""
 msgid "New Folder..."
 msgstr ""
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr ""
 
@@ -1478,10 +1492,30 @@ msgstr "پسندید� اوپر منتقل کریں"
 msgid "Move Favorite Down"
 msgstr "پسندید� نیچے منتقل کریں"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+msgid "Previous Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
+msgid "Next Folder"
+msgstr ""
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr ""
 
+#: editor/editor_file_dialog.cpp
+msgid "(Un)favorite current folder."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr ""
@@ -1705,8 +1739,8 @@ msgstr "سب سکریپشن بنائیں"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1715,6 +1749,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -2957,14 +3001,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3102,10 +3138,6 @@ msgid "Search files"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5065,19 +5097,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5168,11 +5200,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5767,6 +5799,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6836,6 +6876,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "سب سکریپشن بنائیں"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Previous Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -6986,6 +7043,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "سب سکریپشن بنائیں"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr ".تمام کا انتخاب"
@@ -7108,6 +7174,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9693,6 +9763,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9707,6 +9783,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9850,6 +9932,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr ""
@@ -9858,6 +9948,11 @@ msgstr ""
 msgid "Please Confirm..."
 msgstr ""
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "سب سکریپشن بنائیں"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/vi.po b/editor/translations/vi.po
index f51007b85c..74bd1df7eb 100644
--- a/editor/translations/vi.po
+++ b/editor/translations/vi.po
@@ -1385,8 +1385,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1437,7 +1451,7 @@ msgstr "Hiển thị trong Trình quản lí file"
 msgid "New Folder..."
 msgstr "Folder Má»›i..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "Làm mới"
 
@@ -1514,11 +1528,34 @@ msgstr "Di chuyển Ưa thích lên"
 msgid "Move Favorite Down"
 msgstr "Di chuyển Ưa thích xuống"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "Thư mục trước"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "Tạo Folder"
+
+#: editor/editor_file_dialog.cpp
 #, fuzzy
 msgid "Go to parent folder"
 msgstr "�ến folder parent"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "Không thể tạo folder."
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "Những địa chỉ & File:"
@@ -1748,8 +1785,8 @@ msgstr ""
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
@@ -1758,6 +1795,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr ""
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr ""
 
@@ -3006,14 +3053,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3156,10 +3195,6 @@ msgid "Search files"
 msgstr "Tìm kiếm:"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5157,19 +5192,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5260,11 +5295,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5862,6 +5897,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -6934,6 +6977,23 @@ msgid "Merge from Scene"
 msgstr "Gộp từ Scene"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "Thư mục trước"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7085,6 +7145,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "Tạo"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "Xóa Template"
@@ -7208,6 +7277,10 @@ msgid "Exporting All"
 msgstr ""
 
 #: editor/project_export.cpp
+msgid "The given export path doesn't exist:"
+msgstr ""
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9791,6 +9864,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -9805,6 +9884,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -9949,6 +10034,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "Cảnh báo!"
@@ -9957,6 +10050,11 @@ msgstr "Cảnh báo!"
 msgid "Please Confirm..."
 msgstr "Xin hãy xác nhận..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "�ến folder parent"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/zh_CN.po b/editor/translations/zh_CN.po
index f4fa330de9..c1d2f61af9 100644
--- a/editor/translations/zh_CN.po
+++ b/editor/translations/zh_CN.po
@@ -41,12 +41,13 @@
 # Zhang Zhibo <zzhibo98@gmail.com>, 2019.
 # ws00010203 <ws00010203@hotmail.com>, 2019.
 # Song DongHui <14729626293@163.com>, 2019.
+# simano clio <sim2cle@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Chinese (Simplified) (Godot Engine)\n"
 "POT-Creation-Date: 2018-01-20 12:15+0200\n"
-"PO-Revision-Date: 2019-02-21 21:17+0000\n"
-"Last-Translator: yzt <834950797@qq.com>\n"
+"PO-Revision-Date: 2019-03-24 04:06+0000\n"
+"Last-Translator: simano clio <sim2cle@gmail.com>\n"
 "Language-Team: Chinese (Simplified) <https://hosted.weblate.org/projects/"
 "godot-engine/godot/zh_Hans/>\n"
 "Language: zh_CN\n"
@@ -54,7 +55,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -159,9 +160,8 @@ msgid "Anim Change Call"
 msgstr "修改回调"
 
 #: editor/animation_track_editor.cpp
-#, fuzzy
 msgid "Change Animation Length"
-msgstr "修改循环"
+msgstr "修改动画长度"
 
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
@@ -1394,8 +1394,22 @@ msgstr "打包中"
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1443,7 +1457,7 @@ msgstr "在文件管�器中显示"
 msgid "New Folder..."
 msgstr "新建文件夹 ..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "刷新"
 
@@ -1518,10 +1532,33 @@ msgstr "�上移动收�"
 msgid "Move Favorite Down"
 msgstr "�下移动收�"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "上一个层"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "下一层"
+
+#: editor/editor_file_dialog.cpp
 msgid "Go to parent folder"
 msgstr "转到上层文件夹"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "无法创建目录。"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr "以网格缩略图形�查看所有项。"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr "以列表的形�查看所有项。"
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "目录|文件:"
@@ -1743,9 +1780,10 @@ msgstr "清空输出"
 msgid "Project export failed with error code %d."
 msgstr "项目导出失败，错误代� %d。"
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "�存资�出错�"
+#: editor/editor_node.cpp
+#, fuzzy
+msgid "Imported resources can't be saved."
+msgstr "已导入的资�"
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1753,6 +1791,16 @@ msgid "OK"
 msgstr "好的"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "�存资�出错�"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "资��存为..."
 
@@ -3025,14 +3073,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr "因为文件系统没找到文件，�能定�到'%s'�"
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr "以网格缩略图形�查看所有项。"
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr "以列表的形�查看所有项。"
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr "状�: 导入文件失败。请手动修�文件��新导入。"
 
@@ -3168,10 +3208,6 @@ msgid "Search files"
 msgstr "�索文件"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr "将选中的场景实例为选中节点的�节点。"
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5141,6 +5177,10 @@ msgid "Generating Visibility Rect"
 msgstr "生��视化区域"
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
+msgid "Generate Visibility Rect"
+msgstr "生��视化区域"
+
+#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Can only set point into a ParticlesMaterial process material"
 msgstr "�以设置ParticlesMaterial 点的�质"
 
@@ -5153,10 +5193,6 @@ msgid "No pixels with transparency > 128 in image..."
 msgstr "图片中没有�明度> 128的�素..."
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
-msgstr "生��视化区域"
-
-#: editor/plugins/particles_2d_editor_plugin.cpp
 msgid "Load Emission Mask"
 msgstr "加载Emission Mask（�射�蔽）"
 
@@ -5244,13 +5280,13 @@ msgid "Generating AABB"
 msgstr "正在生�AABB"
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
-msgstr "生�AABB"
-
-#: editor/plugins/particles_editor_plugin.cpp
 msgid "Generate Visibility AABB"
 msgstr "生���的AABB"
 
+#: editor/plugins/particles_editor_plugin.cpp
+msgid "Generate AABB"
+msgstr "生�AABB"
+
 #: editor/plugins/path_2d_editor_plugin.cpp
 msgid "Remove Point from Curve"
 msgstr "从曲线中移除顶点"
@@ -5829,6 +5865,14 @@ msgid "Open Godot online documentation"
 msgstr "打开Godot在线文档"
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr "�索文档。"
 
@@ -6890,6 +6934,24 @@ msgid "Merge from Scene"
 msgstr "从场景中�并"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "下一层"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "上一个层"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr "�制�掩�。"
 
@@ -7044,6 +7106,16 @@ msgid "Clear Tile Bitmask"
 msgstr "清除�掩�"
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Concave"
+msgstr "移动多边形"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "移动多边形"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Remove Tile"
 msgstr "移除�贴"
 
@@ -7166,6 +7238,11 @@ msgid "Exporting All"
 msgstr "全部导出"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "路径�存在。"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr "没有此平�的导出模�:"
 
@@ -9797,6 +9874,12 @@ msgstr ""
 "CollisionShape节点必须拥有一个形状�能进行碰撞检测工作，请为它创建一个形状资"
 "��"
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr "无物��，因为没有指定网格。"
@@ -9811,6 +9894,12 @@ msgstr "CPUParticles动画需�使用�动了“Billboard Particles�的Spati
 msgid "Plotting Meshes"
 msgstr "正在绘制网格"
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr "此节点需�设置NavigationMesh资��能正常工作。"
@@ -9969,6 +10058,14 @@ msgstr "在�六进制值和代�值之间切�。"
 msgid "Add current color as a preset."
 msgstr "将当�颜色添加为预设。"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "�示�"
@@ -9977,6 +10074,11 @@ msgstr "�示�"
 msgid "Please Confirm..."
 msgstr "请确认..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "转到上层文件夹"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
@@ -10056,6 +10158,9 @@ msgstr "对uniform的赋值。"
 msgid "Varyings can only be assigned in vertex function."
 msgstr "���能在顶点函数中指定。"
 
+#~ msgid "Instance the selected scene(s) as child of the selected node."
+#~ msgstr "将选中的场景实例为选中节点的�节点。"
+
 #~ msgid "FPS"
 #~ msgstr "帧数"
 
@@ -11582,9 +11687,6 @@ msgstr "���能在顶点函数中指定。"
 #~ msgid "Cannot go into subdir:"
 #~ msgstr "无法打开目录:"
 
-#~ msgid "Imported Resources"
-#~ msgstr "已导入的资�"
-
 #~ msgid "Insert Keys (Ins)"
 #~ msgstr "�入关键帧（ 创建轨�）"
 
diff --git a/editor/translations/zh_HK.po b/editor/translations/zh_HK.po
index 662dbaddf2..2abca01297 100644
--- a/editor/translations/zh_HK.po
+++ b/editor/translations/zh_HK.po
@@ -1446,8 +1446,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1502,7 +1516,7 @@ msgstr "é–‹å•Ÿ Project Manager?"
 msgid "New Folder..."
 msgstr "新增資料夾"
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "�新整�"
 
@@ -1579,11 +1593,34 @@ msgstr "上移最愛"
 msgid "Move Favorite Down"
 msgstr "下移最愛"
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "上一個tab"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "新增資料夾"
+
+#: editor/editor_file_dialog.cpp
 #, fuzzy
 msgid "Go to parent folder"
 msgstr "無法新增資料夾"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "無法新增資料夾"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "資料夾和檔案:"
@@ -1824,10 +1861,9 @@ msgstr "下一個腳本"
 msgid "Project export failed with error code %d."
 msgstr ""
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-#, fuzzy
-msgid "Error saving resource!"
-msgstr "儲存資�時出�錯誤�"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1835,6 +1871,17 @@ msgid "OK"
 msgstr "OK"
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+#, fuzzy
+msgid "Error saving resource!"
+msgstr "儲存資�時出�錯誤�"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "把資��存為..."
 
@@ -3151,14 +3198,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3311,10 +3350,6 @@ msgid "Search files"
 msgstr "在幫助檔�尋"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5349,19 +5384,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5453,11 +5488,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -6074,6 +6109,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7178,6 +7221,24 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Next Coordinate"
+msgstr "下一個腳本"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "上一個tab"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7333,6 +7394,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "縮放selection"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "移除�項"
@@ -7466,6 +7536,11 @@ msgid "Exporting All"
 msgstr "匯出"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "檔案�存在."
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -10141,6 +10216,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10155,6 +10236,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10302,6 +10389,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr ""
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "警告!"
@@ -10310,6 +10405,11 @@ msgstr "警告!"
 msgid "Please Confirm..."
 msgstr "請確�..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "無法新增資料夾"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/editor/translations/zh_TW.po b/editor/translations/zh_TW.po
index e267264d11..b04a702467 100644
--- a/editor/translations/zh_TW.po
+++ b/editor/translations/zh_TW.po
@@ -13,12 +13,13 @@
 # Sam Pan <sampan66@gmail.com>, 2016.
 # ken l <macauhome@gmail.com>, 2018.
 # Eric K <eric900601@gmail.com>, 2019.
+# cnieFIT <dtotncq@gmail.com>, 2019.
 msgid ""
 msgstr ""
 "Project-Id-Version: Godot Engine editor\n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-02-01 12:09+0000\n"
-"Last-Translator: Eric K <eric900601@gmail.com>\n"
+"PO-Revision-Date: 2019-03-28 09:36+0000\n"
+"Last-Translator: cnieFIT <dtotncq@gmail.com>\n"
 "Language-Team: Chinese (Traditional) <https://hosted.weblate.org/projects/"
 "godot-engine/godot/zh_Hant/>\n"
 "Language: zh_TW\n"
@@ -26,7 +27,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Weblate 3.5-dev\n"
+"X-Generator: Weblate 3.6-dev\n"
 
 #: core/math/expression.cpp modules/gdscript/gdscript_functions.cpp
 #: modules/visual_script/visual_script_builtin_funcs.cpp
@@ -58,28 +59,28 @@ msgstr "無效的內存地�類型 %s，基礎型� %s"
 
 #: core/math/expression.cpp
 msgid "Invalid named index '%s' for base type %s"
-msgstr ""
+msgstr "基本類型 %s 的命�索引 '% s' 無效"
 
 #: core/math/expression.cpp
 msgid "Invalid arguments to construct '%s'"
-msgstr ""
+msgstr "無效�數類型: '%s'"
 
 #: core/math/expression.cpp
 msgid "On call to '%s':"
-msgstr ""
+msgstr "調用“%s�時："
 
 #: editor/animation_bezier_editor.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Free"
-msgstr ""
+msgstr "释放"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Balanced"
-msgstr ""
+msgstr "平衡的"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Mirror"
-msgstr ""
+msgstr "镜�"
 
 #: editor/animation_bezier_editor.cpp
 msgid "Insert Key Here"
@@ -138,31 +139,31 @@ msgstr "變更動畫長度"
 #: editor/animation_track_editor.cpp
 #: editor/plugins/sprite_frames_editor_plugin.cpp
 msgid "Change Animation Loop"
-msgstr ""
+msgstr "變更動畫循環"
 
 #: editor/animation_track_editor.cpp
 msgid "Property Track"
-msgstr ""
+msgstr "屬性軌�"
 
 #: editor/animation_track_editor.cpp
 msgid "3D Transform Track"
-msgstr ""
+msgstr "3D 變�軌�"
 
 #: editor/animation_track_editor.cpp
 msgid "Call Method Track"
-msgstr ""
+msgstr "調用方法軌�"
 
 #: editor/animation_track_editor.cpp
 msgid "Bezier Curve Track"
-msgstr ""
+msgstr "�塞爾曲線軌跡"
 
 #: editor/animation_track_editor.cpp
 msgid "Audio Playback Track"
-msgstr ""
+msgstr "音訊回放軌�"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation Playback Track"
-msgstr ""
+msgstr "動畫回放軌�"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -181,15 +182,15 @@ msgstr "動畫空間。"
 #: editor/animation_track_editor.cpp
 #: modules/visual_script/visual_script_editor.cpp
 msgid "Functions:"
-msgstr ""
+msgstr "函數："
 
 #: editor/animation_track_editor.cpp
 msgid "Audio Clips:"
-msgstr ""
+msgstr "音訊剪輯:"
 
 #: editor/animation_track_editor.cpp
 msgid "Anim Clips:"
-msgstr ""
+msgstr "動畫剪輯："
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -198,11 +199,11 @@ msgstr "調整陣列資料"
 
 #: editor/animation_track_editor.cpp
 msgid "Toggle this track on/off."
-msgstr ""
+msgstr "打開/關閉此軌�."
 
 #: editor/animation_track_editor.cpp
 msgid "Update Mode (How this property is set)"
-msgstr ""
+msgstr "更新模� (如何設置此屬性)"
 
 #: editor/animation_track_editor.cpp
 msgid "Interpolation Mode"
@@ -254,7 +255,7 @@ msgstr "線性"
 
 #: editor/animation_track_editor.cpp
 msgid "Cubic"
-msgstr ""
+msgstr "立方體"
 
 #: editor/animation_track_editor.cpp
 msgid "Clamp Loop Interp"
@@ -267,7 +268,7 @@ msgstr ""
 #: editor/animation_track_editor.cpp
 #: editor/plugins/canvas_item_editor_plugin.cpp
 msgid "Insert Key"
-msgstr ""
+msgstr "�入畫格"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -356,11 +357,11 @@ msgid ""
 "-AudioStreamPlayer\n"
 "-AudioStreamPlayer2D\n"
 "-AudioStreamPlayer3D"
-msgstr ""
+msgstr "音訊曲目�能指�以下類型的節點:"
 
 #: editor/animation_track_editor.cpp
 msgid "Animation tracks can only point to AnimationPlayer nodes."
-msgstr ""
+msgstr "動畫軌跡�能指� AnimationPlayer 節點."
 
 #: editor/animation_track_editor.cpp
 msgid "An animation player can't animate itself, only other players."
@@ -368,7 +369,7 @@ msgstr ""
 
 #: editor/animation_track_editor.cpp
 msgid "Not possible to add a new track without a root"
-msgstr ""
+msgstr "無法添加沒有根目錄的新曲目"
 
 #: editor/animation_track_editor.cpp
 #, fuzzy
@@ -1413,8 +1414,22 @@ msgstr ""
 
 #: editor/editor_export.cpp
 msgid ""
-"Target platform requires 'ETC' texture compression for GLES2. Enable support "
-"in Project Settings."
+"Target platform requires 'ETC' texture compression for GLES2. Enable 'Import "
+"Etc' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC2' texture compression for GLES3. Enable "
+"'Import Etc 2' in Project Settings."
+msgstr ""
+
+#: editor/editor_export.cpp
+msgid ""
+"Target platform requires 'ETC' texture compression for the driver fallback "
+"to GLES2.\n"
+"Enable 'Import Etc' in Project Settings, or disable 'Driver Fallback "
+"Enabled'."
 msgstr ""
 
 #: editor/editor_export.cpp platform/android/export/export.cpp
@@ -1465,7 +1480,7 @@ msgstr "在檔案管�員內顯示"
 msgid "New Folder..."
 msgstr "新增資料夾..."
 
-#: editor/editor_file_dialog.cpp
+#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Refresh"
 msgstr "�新整�"
 
@@ -1541,11 +1556,34 @@ msgstr ""
 msgid "Move Favorite Down"
 msgstr ""
 
-#: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Previous Folder"
+msgstr "上個分�"
+
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "Next Folder"
+msgstr "新增資料夾"
+
+#: editor/editor_file_dialog.cpp
 #, fuzzy
 msgid "Go to parent folder"
 msgstr "無法新增資料夾"
 
+#: editor/editor_file_dialog.cpp
+#, fuzzy
+msgid "(Un)favorite current folder."
+msgstr "無法新增資料夾"
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a grid of thumbnails."
+msgstr ""
+
+#: editor/editor_file_dialog.cpp editor/filesystem_dock.cpp
+msgid "View items as a list."
+msgstr ""
+
 #: editor/editor_file_dialog.cpp scene/gui/file_dialog.cpp
 msgid "Directories & Files:"
 msgstr "資料夾 & 檔案:"
@@ -1784,9 +1822,9 @@ msgstr "輸出:"
 msgid "Project export failed with error code %d."
 msgstr "專案輸出失敗，錯誤代碼是 %d。"
 
-#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
-msgid "Error saving resource!"
-msgstr "儲存資�錯誤!"
+#: editor/editor_node.cpp
+msgid "Imported resources can't be saved."
+msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/script_editor_plugin.cpp
 #: scene/gui/dialogs.cpp
@@ -1794,6 +1832,16 @@ msgid "OK"
 msgstr ""
 
 #: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
+msgid "Error saving resource!"
+msgstr "儲存資�錯誤!"
+
+#: editor/editor_node.cpp
+msgid ""
+"This resource can't be saved because it does not belong to the edited scene. "
+"Make it unique first."
+msgstr ""
+
+#: editor/editor_node.cpp editor/plugins/animation_player_editor_plugin.cpp
 msgid "Save Resource As..."
 msgstr "�存資�為..."
 
@@ -2660,7 +2708,7 @@ msgstr ""
 
 #: editor/editor_profiler.cpp
 msgid "Average Time (sec)"
-msgstr ""
+msgstr "平�時間 (秒)"
 
 #: editor/editor_profiler.cpp
 msgid "Frame %"
@@ -2668,11 +2716,11 @@ msgstr ""
 
 #: editor/editor_profiler.cpp
 msgid "Physics Frame %"
-msgstr ""
+msgstr "物�幀%"
 
 #: editor/editor_profiler.cpp
 msgid "Time:"
-msgstr ""
+msgstr "時間："
 
 #: editor/editor_profiler.cpp
 msgid "Inclusive"
@@ -2680,27 +2728,27 @@ msgstr ""
 
 #: editor/editor_profiler.cpp
 msgid "Self"
-msgstr ""
+msgstr "自身"
 
 #: editor/editor_profiler.cpp
 msgid "Frame #:"
-msgstr ""
+msgstr "å¹€ #:"
 
 #: editor/editor_profiler.cpp
 msgid "Time"
-msgstr ""
+msgstr "時間"
 
 #: editor/editor_profiler.cpp
 msgid "Calls"
-msgstr ""
+msgstr "調用"
 
 #: editor/editor_properties.cpp
 msgid "On"
-msgstr ""
+msgstr "啟用"
 
 #: editor/editor_properties.cpp
 msgid "Layer"
-msgstr ""
+msgstr "層"
 
 #: editor/editor_properties.cpp
 msgid "Bit %d, value %d"
@@ -2708,11 +2756,11 @@ msgstr ""
 
 #: editor/editor_properties.cpp
 msgid "[Empty]"
-msgstr ""
+msgstr "[空]"
 
 #: editor/editor_properties.cpp editor/plugins/root_motion_editor_plugin.cpp
 msgid "Assign..."
-msgstr ""
+msgstr "指派..."
 
 #: editor/editor_properties.cpp
 #, fuzzy
@@ -2741,19 +2789,19 @@ msgstr ""
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Pick a Viewport"
-msgstr ""
+msgstr "�擇一個視�"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "New Script"
-msgstr ""
+msgstr "新建腳本"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "New %s"
-msgstr ""
+msgstr "新建 %s"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 msgid "Make Unique"
-msgstr ""
+msgstr "轉�為�立資�"
 
 #: editor/editor_properties.cpp
 #: editor/plugins/animation_blend_space_1d_editor.cpp
@@ -2767,7 +2815,7 @@ msgstr ""
 #: editor/plugins/tile_map_editor_plugin.cpp editor/property_editor.cpp
 #: scene/gui/line_edit.cpp scene/gui/text_edit.cpp
 msgid "Paste"
-msgstr ""
+msgstr "粘貼"
 
 #: editor/editor_properties.cpp editor/property_editor.cpp
 #, fuzzy
@@ -2788,15 +2836,15 @@ msgstr ""
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Size: "
-msgstr ""
+msgstr "尺寸: "
 
 #: editor/editor_properties_array_dict.cpp
 msgid "Page: "
-msgstr ""
+msgstr "页: "
 
 #: editor/editor_properties_array_dict.cpp
 msgid "New Key:"
-msgstr ""
+msgstr "新建帧:"
 
 #: editor/editor_properties_array_dict.cpp
 #, fuzzy
@@ -2810,11 +2858,11 @@ msgstr ""
 #: editor/editor_properties_array_dict.cpp
 #: editor/plugins/theme_editor_plugin.cpp
 msgid "Remove Item"
-msgstr ""
+msgstr "移除項目"
 
 #: editor/editor_run_native.cpp
 msgid "Select device from the list"
-msgstr ""
+msgstr "從清單中�擇設備"
 
 #: editor/editor_run_native.cpp
 msgid ""
@@ -2828,80 +2876,80 @@ msgstr ""
 
 #: editor/editor_run_script.cpp
 msgid "There is an edited scene already."
-msgstr ""
+msgstr "已經有一個正在編輯的場景。"
 
 #: editor/editor_run_script.cpp
 msgid "Couldn't instance script:"
-msgstr ""
+msgstr "無法實例腳本:"
 
 #: editor/editor_run_script.cpp
 msgid "Did you forget the 'tool' keyword?"
-msgstr ""
+msgstr "您是���了 'tool' 关键字?"
 
 #: editor/editor_run_script.cpp
 msgid "Couldn't run script:"
-msgstr ""
+msgstr "無法�行腳本:"
 
 #: editor/editor_run_script.cpp
 msgid "Did you forget the '_run' method?"
-msgstr ""
+msgstr "您是���了 '_run' 方法?"
 
 #: editor/editor_sub_scene.cpp
 msgid "Select Node(s) to Import"
-msgstr ""
+msgstr "�擇�導入的節點"
 
 #: editor/editor_sub_scene.cpp
 msgid "Scene Path:"
-msgstr ""
+msgstr "場景路徑:"
 
 #: editor/editor_sub_scene.cpp
 msgid "Import From Node:"
-msgstr ""
+msgstr "從節點導入:"
 
 #: editor/export_template_manager.cpp
 msgid "Re-Download"
-msgstr ""
+msgstr "�新下載"
 
 #: editor/export_template_manager.cpp
 msgid "Uninstall"
-msgstr ""
+msgstr "�載"
 
 #: editor/export_template_manager.cpp
 msgid "(Installed)"
-msgstr ""
+msgstr "(已安�)"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Download"
-msgstr ""
+msgstr "下載"
 
 #: editor/export_template_manager.cpp
 msgid "(Missing)"
-msgstr ""
+msgstr "(缺少)"
 
 #: editor/export_template_manager.cpp
 msgid "(Current)"
-msgstr ""
+msgstr "(當�)"
 
 #: editor/export_template_manager.cpp
 msgid "Retrieving mirrors, please wait..."
-msgstr ""
+msgstr "正在檢索��，請�候…"
 
 #: editor/export_template_manager.cpp
 msgid "Remove template version '%s'?"
-msgstr ""
+msgstr "是�删除版本為“%s�的範本？"
 
 #: editor/export_template_manager.cpp
 msgid "Can't open export templates zip."
-msgstr ""
+msgstr "無法打開zip導出範本。"
 
 #: editor/export_template_manager.cpp
 msgid "Invalid version.txt format inside templates: %s."
-msgstr ""
+msgstr "範本文件: %s 中的 version.txt 無效."
 
 #: editor/export_template_manager.cpp
 msgid "No version.txt found inside templates."
-msgstr ""
+msgstr "範本中沒有找到version.txt文件。"
 
 #: editor/export_template_manager.cpp
 #, fuzzy
@@ -2910,22 +2958,22 @@ msgstr "載入場景時發生錯誤"
 
 #: editor/export_template_manager.cpp
 msgid "Extracting Export Templates"
-msgstr ""
+msgstr "正在解壓導出範本"
 
 #: editor/export_template_manager.cpp
 msgid "Importing:"
-msgstr ""
+msgstr "å°Žå…¥:"
 
 #: editor/export_template_manager.cpp
 msgid ""
 "No download links found for this version. Direct download is only available "
 "for official releases."
-msgstr ""
+msgstr "沒有找到這個版本的下載�接. 直接下載�用于正�版本."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Can't resolve."
-msgstr ""
+msgstr "無法解�."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -2936,32 +2984,32 @@ msgstr "連接..."
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "No response."
-msgstr ""
+msgstr "沒有回應。"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Request Failed."
-msgstr ""
+msgstr "請求失敗."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Redirect Loop."
-msgstr ""
+msgstr "�新定�循環."
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Failed:"
-msgstr ""
+msgstr "失敗："
 
 #: editor/export_template_manager.cpp
 msgid "Download Complete."
-msgstr ""
+msgstr "下載完�。"
 
 #: editor/export_template_manager.cpp
 msgid ""
 "Templates installation failed. The problematic templates archives can be "
 "found at '%s'."
-msgstr ""
+msgstr "範本安�失敗。有�題的範本存檔�以在 \"% s\" 中找到。"
 
 #: editor/export_template_manager.cpp
 #, fuzzy
@@ -2980,11 +3028,11 @@ msgstr "æ–·ç·š"
 
 #: editor/export_template_manager.cpp
 msgid "Resolving"
-msgstr ""
+msgstr "解�中"
 
 #: editor/export_template_manager.cpp
 msgid "Can't Resolve"
-msgstr ""
+msgstr "無法解�"
 
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
@@ -3005,7 +3053,7 @@ msgstr "連接..."
 #: editor/export_template_manager.cpp
 #: editor/plugins/asset_library_editor_plugin.cpp
 msgid "Requesting..."
-msgstr ""
+msgstr "正在請求…"
 
 #: editor/export_template_manager.cpp
 #, fuzzy
@@ -3019,31 +3067,31 @@ msgstr "連接..."
 
 #: editor/export_template_manager.cpp
 msgid "SSL Handshake Error"
-msgstr ""
+msgstr "SSL�手錯誤"
 
 #: editor/export_template_manager.cpp
 msgid "Current Version:"
-msgstr ""
+msgstr "當�版本:"
 
 #: editor/export_template_manager.cpp
 msgid "Installed Versions:"
-msgstr ""
+msgstr "已安�版本:"
 
 #: editor/export_template_manager.cpp
 msgid "Install From File"
-msgstr ""
+msgstr "從檔案中安�"
 
 #: editor/export_template_manager.cpp
 msgid "Remove Template"
-msgstr ""
+msgstr "移除範本"
 
 #: editor/export_template_manager.cpp
 msgid "Select template file"
-msgstr ""
+msgstr "�擇範本檔案"
 
 #: editor/export_template_manager.cpp
 msgid "Export Template Manager"
-msgstr ""
+msgstr "導出範本管�器"
 
 #: editor/export_template_manager.cpp
 #, fuzzy
@@ -3052,7 +3100,7 @@ msgstr "載入場景時發生錯誤"
 
 #: editor/export_template_manager.cpp
 msgid "Select mirror from list: (Shift+Click: Open in Browser)"
-msgstr ""
+msgstr "從清單中�擇��: (Shift + 單擊: 在�覽器中打開)"
 
 #: editor/file_type_cache.cpp
 msgid "Can't open file_type_cache.cch for writing, not saving file type cache!"
@@ -3068,14 +3116,6 @@ msgid "Cannot navigate to '%s' as it has not been found in the file system!"
 msgstr ""
 
 #: editor/filesystem_dock.cpp
-msgid "View items as a grid of thumbnails."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
-msgid "View items as a list."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid "Status: Import of file failed. Please fix file and reimport manually."
 msgstr ""
 
@@ -3225,10 +3265,6 @@ msgid "Search files"
 msgstr "�尋 Class"
 
 #: editor/filesystem_dock.cpp
-msgid "Instance the selected scene(s) as child of the selected node."
-msgstr ""
-
-#: editor/filesystem_dock.cpp
 msgid ""
 "Scanning Files,\n"
 "Please Wait..."
@@ -5236,19 +5272,19 @@ msgid "Generating Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Can only set point into a ParticlesMaterial process material"
+msgid "Generate Visibility Rect"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Error loading image:"
+msgid "Can only set point into a ParticlesMaterial process material"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "No pixels with transparency > 128 in image..."
+msgid "Error loading image:"
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
-msgid "Generate Visibility Rect"
+msgid "No pixels with transparency > 128 in image..."
 msgstr ""
 
 #: editor/plugins/particles_2d_editor_plugin.cpp
@@ -5340,11 +5376,11 @@ msgid "Generating AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate AABB"
+msgid "Generate Visibility AABB"
 msgstr ""
 
 #: editor/plugins/particles_editor_plugin.cpp
-msgid "Generate Visibility AABB"
+msgid "Generate AABB"
 msgstr ""
 
 #: editor/plugins/path_2d_editor_plugin.cpp
@@ -5955,6 +5991,14 @@ msgid "Open Godot online documentation"
 msgstr ""
 
 #: editor/plugins/script_editor_plugin.cpp
+msgid "Request Docs"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
+msgid "Help improve the Godot documentation by giving feedback"
+msgstr ""
+
+#: editor/plugins/script_editor_plugin.cpp
 msgid "Search the reference documentation."
 msgstr ""
 
@@ -7045,6 +7089,23 @@ msgid "Merge from Scene"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Next Coordinate"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the next shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Previous Coordinate"
+msgstr "上個分�"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Select the previous shape, subtile, or Tile."
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 msgid "Copy bitmask."
 msgstr ""
 
@@ -7200,6 +7261,15 @@ msgid "Clear Tile Bitmask"
 msgstr ""
 
 #: editor/plugins/tile_set_editor_plugin.cpp
+msgid "Make Polygon Concave"
+msgstr ""
+
+#: editor/plugins/tile_set_editor_plugin.cpp
+#, fuzzy
+msgid "Make Polygon Convex"
+msgstr "新增資料夾"
+
+#: editor/plugins/tile_set_editor_plugin.cpp
 #, fuzzy
 msgid "Remove Tile"
 msgstr "移除"
@@ -7327,6 +7397,11 @@ msgid "Exporting All"
 msgstr "輸出"
 
 #: editor/project_export.cpp
+#, fuzzy
+msgid "The given export path doesn't exist:"
+msgstr "檔案�存在"
+
+#: editor/project_export.cpp
 msgid "Export templates for this platform are missing/corrupted:"
 msgstr ""
 
@@ -9988,6 +10063,12 @@ msgid ""
 "shape resource for it!"
 msgstr ""
 
+#: scene/3d/collision_shape.cpp
+msgid ""
+"Plane shapes don't work well and will be removed in future versions. Please "
+"don't use them."
+msgstr ""
+
 #: scene/3d/cpu_particles.cpp
 msgid "Nothing is visible because no mesh has been assigned."
 msgstr ""
@@ -10002,6 +10083,12 @@ msgstr ""
 msgid "Plotting Meshes"
 msgstr ""
 
+#: scene/3d/gi_probe.cpp
+msgid ""
+"GIProbes are not supported by the GLES2 video driver.\n"
+"Use a BakedLightmap instead."
+msgstr ""
+
 #: scene/3d/navigation_mesh.cpp
 msgid "A NavigationMesh resource must be set or created for this node to work."
 msgstr ""
@@ -10150,6 +10237,14 @@ msgstr ""
 msgid "Add current color as a preset."
 msgstr "將目��色設為�設"
 
+#: scene/gui/container.cpp
+msgid ""
+"Container by itself serves no purpose unless a script configures it's "
+"children placement behavior.\n"
+"If you dont't intend to add a script, then please use a plain 'Control' node "
+"instead."
+msgstr ""
+
 #: scene/gui/dialogs.cpp
 msgid "Alert!"
 msgstr "警告!"
@@ -10158,6 +10253,11 @@ msgstr "警告!"
 msgid "Please Confirm..."
 msgstr "請確�..."
 
+#: scene/gui/file_dialog.cpp
+#, fuzzy
+msgid "Go to parent folder."
+msgstr "無法新增資料夾"
+
 #: scene/gui/popup.cpp
 msgid ""
 "Popups will hide by default unless you call popup() or any of the popup*() "
diff --git a/main/gamecontrollerdb.txt b/main/gamecontrollerdb.txt
index cb32b4209f..440c0a8621 100644
--- a/main/gamecontrollerdb.txt
+++ b/main/gamecontrollerdb.txt
@@ -96,11 +96,13 @@
 030000006f0e00002401000000000000,INJUSTICE FightStick PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,lefttrigger:b6,rightshoulder:b5,righttrigger:b7,start:b9,x:b0,y:b3,platform:Windows,
 03000000ac0500002c02000000000000,IPEGA,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b8,leftstick:b13,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b9,rightstick:b14,righttrigger:b7,rightx:a3,righty:a4,start:b11,x:b3,y:b4,platform:Windows,
 03000000491900000204000000000000,Ipega PG-9023,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b13,lefttrigger:b8,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b14,righttrigger:b9,rightx:a3,righty:a4,start:b11,x:b3,y:b4,platform:Windows,
+030000006e0500000a20000000000000,JC-DUX60 ELECOM MMO Gamepad,a:b2,b:b3,back:b17,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b8,leftstick:b14,lefttrigger:b12,leftx:a0,lefty:a1,rightshoulder:b11,rightstick:b15,righttrigger:b13,rightx:a3,righty:a4,start:b20,x:b0,y:b1,platform:Windows,
 030000006e0500000520000000000000,JC-P301U,a:b2,b:b3,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b8,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b9,righttrigger:b7,rightx:a2,righty:a3,start:b11,x:b0,y:b1,platform:Windows,
 030000006e0500000320000000000000,JC-U3613M (DInput),a:b2,b:b3,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b8,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b9,righttrigger:b7,rightx:a2,righty:a3,start:b11,x:b0,y:b1,platform:Windows,
 030000006e0500000720000000000000,JC-W01U,a:b2,b:b3,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b1,platform:Windows,
 030000007e0500000620000001000000,Joy-Con (L),+leftx:h0.2,+lefty:h0.4,-leftx:h0.8,-lefty:h0.1,a:b0,b:b1,back:b13,leftshoulder:b4,leftstick:b10,rightshoulder:b5,start:b8,x:b2,y:b3,platform:Windows,
 030000007e0500000720000001000000,Joy-Con (R),+leftx:h0.2,+lefty:h0.4,-leftx:h0.8,-lefty:h0.1,a:b0,b:b1,back:b12,leftshoulder:b4,leftstick:b11,rightshoulder:b5,start:b9,x:b2,y:b3,platform:Windows,
+03000000bd12000003c0000000000000,JY-P70UR,a:b1,b:b0,back:b5,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b10,lefttrigger:b7,leftx:a0,lefty:a1,rightshoulder:b8,rightstick:b11,righttrigger:b9,rightx:a3,righty:a2,start:b4,x:b3,y:b2,platform:Windows,
 03000000790000000200000000000000,King PS3 Controller,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a4,start:b9,x:b3,y:b0,platform:Windows,
 030000006d040000d1ca000000000000,Logitech ChillStream,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 030000006d040000d2ca000000000000,Logitech Cordless Precision,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
@@ -137,6 +139,7 @@
 03000000bd12000015d0000000000000,Nintendo Retrolink USB Super SNES Classic Controller,a:b2,b:b1,back:b8,leftshoulder:b4,leftx:a0,lefty:a1,rightshoulder:b5,start:b9,x:b3,y:b0,platform:Windows,
 030000007e0500000920000000000000,Nintendo Switch Pro Controller,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Windows,
 030000000d0500000308000000000000,Nostromo N45,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b9,leftshoulder:b4,leftstick:b12,lefttrigger:b5,leftx:a0,lefty:a1,rightshoulder:b6,rightstick:b11,righttrigger:b7,rightx:a3,righty:a2,start:b10,x:b2,y:b3,platform:Windows,
+03000000550900001472000000000000,NVIDIA Controller v01.04,a:b11,b:b10,x:b9,y:b8,back:b13,guide:b12,start:b3,leftstick:b5,rightstick:b4,leftshoulder:b7,rightshoulder:b6,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a3,righty:a6,lefttrigger:a4,righttrigger:a5,platform:Windows,
 030000004b120000014d000000000000,NYKO AIRFLO,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b10,leftshoulder:a3,leftstick:a0,lefttrigger:b6,rightshoulder:b5,rightstick:a2,righttrigger:b7,start:b9,x:b2,y:b3,platform:Windows,
 03000000782300000a10000000000000,Onlive Wireless Controller,a:b15,b:b14,back:b7,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b5,leftshoulder:b11,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b10,rightstick:b8,righttrigger:a5,rightx:a3,righty:a4,start:b6,x:b13,y:b12,platform:Windows,
 03000000d62000006d57000000000000,OPP PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
@@ -190,6 +193,7 @@
 0300000000f000000300000000000000,RetroUSB.com RetroPad,a:b1,b:b5,back:b2,leftshoulder:b6,leftx:a0,lefty:a1,rightshoulder:b7,start:b3,x:b0,y:b4,platform:Windows,
 0300000000f00000f100000000000000,RetroUSB.com Super RetroPort,a:b1,b:b5,back:b2,leftshoulder:b6,leftx:a0,lefty:a1,rightshoulder:b7,start:b3,x:b0,y:b4,platform:Windows,
 030000006b140000010d000000000000,Revolution Pro Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Windows,
+030000006b140000020d000000000000,Revolution Pro Controller 2(1/2),a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Windows,
 030000006f0e00001e01000000000000,Rock Candy PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 030000006f0e00002801000000000000,Rock Candy PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 030000006f0e00002f01000000000000,Rock Candy PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
@@ -217,6 +221,7 @@
 03000000ff1100003133000000000000,SVEN X-PAD,a:b2,b:b3,back:b4,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,lefttrigger:b8,leftx:a0,lefty:a1,rightshoulder:b7,righttrigger:b9,rightx:a2,righty:a4,start:b5,x:b0,y:b1,platform:Windows,
 03000000d620000011a7000000000000,Switch,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 030000004f04000007d0000000000000,T Mini Wireless,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
+030000004f0400000ab1000000000000,T.16000M,a:b0,b:b1,back:b12,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b11,leftshoulder:b4,lefttrigger:b9,leftx:a0,lefty:a1,rightshoulder:b6,righttrigger:b7,start:b10,x:b2,y:b3,platform:Windows,
 03000000fa1900000706000000000000,Team 5,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Windows,
 03000000b50700001203000000000000,Techmobility X6-38V,a:b2,b:b3,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b5,leftx:a0,lefty:a1,rightshoulder:b6,rightstick:b11,righttrigger:b7,rightx:a3,righty:a2,start:b9,x:b0,y:b1,platform:Windows,
 030000004f04000015b3000000000000,Thrustmaster Dual Analog 4,a:b0,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b5,leftx:a0,lefty:a1,rightshoulder:b6,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b1,y:b3,platform:Windows,
@@ -227,6 +232,7 @@
 03000000d62000006000000000000000,Tournament PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Windows,
 030000005f140000c501000000000000,Trust Gamepad,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Windows,
 03000000b80500000210000000000000,Trust Gamepad,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Windows,
+030000004f04000087b6000000000000,TWCS Throttle,dpdown:b8,dpleft:b9,dpright:b7,dpup:b6,leftstick:b5,lefttrigger:-a5,leftx:a0,lefty:a1,righttrigger:+a5,platform:Windows,
 03000000d90400000200000000000000,TwinShock PS2,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b10,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b11,righttrigger:b5,rightx:a3,righty:a2,start:b9,x:b3,y:b0,platform:Windows,
 03000000101c0000171c000000000000,uRage Gamepad,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Windows,
 03000000300f00000701000000000000,USB 4-Axis 12-Button Gamepad,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a3,righty:a2,start:b9,x:b3,y:b0,platform:Windows,
@@ -253,6 +259,7 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 03000000102800000900000000000000,8Bitdo SFC30 GamePad Joystick,a:b1,b:b0,back:b10,leftshoulder:b6,leftx:a0,lefty:a1,rightshoulder:b7,start:b11,x:b4,y:b3,platform:Mac OS X,
 03000000a00500003232000008010000,8Bitdo Zero GamePad,a:b0,b:b1,back:b10,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b6,rightshoulder:b7,start:b11,x:b3,y:b4,platform:Mac OS X,
 03000000a00500003232000009010000,8Bitdo Zero GamePad,a:b0,b:b1,back:b10,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b6,rightshoulder:b7,start:b11,x:b3,y:b4,platform:Mac OS X,
+03000000050b00000045000031000000,ASUS Gamepad,a:b0,b:b1,x:b2,y:b3,back:b10,start:b9,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Mac OS X,
 030000008305000031b0000000000000,Cideko AK08b,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Mac OS X,
 03000000260900008888000088020000,Cyber Gadget GameCube Controller,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b6,righttrigger:a5,rightx:a2,righty:a3~,start:b7,x:b2,y:b3,platform:Mac OS X,
 03000000a306000022f6000001030000,Cyborg V.3 Rumble Pad,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:+a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:-a3,rightx:a2,righty:a4,start:b9,x:b0,y:b3,platform:Mac OS X,
@@ -289,6 +296,7 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 0300000025090000e803000000000000,Mayflash Wii Classic Controller,a:b1,b:b0,back:b8,dpdown:b13,dpleft:b12,dpright:b14,dpup:b11,guide:b10,leftshoulder:b4,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b2,platform:Mac OS X,
 03000000790000000018000000000000,Mayflash WiiU Pro Game Controller Adapter (DInput),a:b4,b:b8,back:b32,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b16,leftstick:b40,lefttrigger:b24,leftx:a0,lefty:a4,rightshoulder:b20,rightstick:b44,righttrigger:b28,rightx:a8,righty:a12,start:b36,x:b0,y:b12,platform:Mac OS X,
 03000000d8140000cecf000000000000,MC Cthulhu,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,lefttrigger:b6,rightshoulder:b5,righttrigger:b7,start:b9,x:b0,y:b3,platform:Mac OS X,
+03000000d62000007162000001000000,Moga Pro 2 HID,a:b0,b:b1,x:b2,y:b3,back:b9,start:b6,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Mac OS X,
 030000001008000001e5000006010000,NEXT SNES Controller,a:b2,b:b1,back:b8,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b4,rightshoulder:b6,start:b9,x:b3,y:b0,platform:Mac OS X,
 030000007e0500000920000000000000,Nintendo Switch Pro Controller,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Mac OS X,
 030000008f0e00000300000000000000,Piranha xtreme,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b10,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b11,righttrigger:b5,rightx:a3,righty:a2,start:b9,x:b3,y:b0,platform:Mac OS X,
@@ -303,6 +311,8 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 03000000321500000204000000010000,Razer Panthera (PS3),a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Mac OS X,
 03000000321500000104000000010000,Razer Panthera (PS4),a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Mac OS X,
 03000000321500000010000000010000,Razer RAIJU,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Mac OS X,
+03000000321500000009000000020000,Razer Serval,a:b0,b:b1,x:b2,y:b3,back:b6,guide:b8,start:b7,leftstick:b9,rightstick:b10,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Mac OS X,
+030000003215000000090000163a0000,Razer Serval,a:b0,b:b1,x:b2,y:b3,back:b6,guide:b8,start:b7,leftstick:b9,rightstick:b10,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Mac OS X,
 0300000032150000030a000000000000,Razer Wildcat,a:b0,b:b1,back:b9,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,guide:b10,leftshoulder:b4,leftstick:b6,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b7,righttrigger:a5,rightx:a3,righty:a4,start:b8,x:b2,y:b3,platform:Mac OS X,
 03000000790000001100000000000000,Retrolink Classic Controller,a:b2,b:b1,back:b8,leftshoulder:b4,leftx:a3,lefty:a4,rightshoulder:b5,start:b9,x:b3,y:b0,platform:Mac OS X,
 03000000790000001100000006010000,Retrolink SNES Controller,a:b2,b:b1,back:b8,dpdown:+a4,dpleft:-a3,dpright:+a3,dpup:-a4,leftshoulder:b4,rightshoulder:b5,start:b9,x:b3,y:b0,platform:Mac OS X,
@@ -352,7 +362,9 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 030000006f0e00003901000020060000,Afterglow Controller for Xbox One,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
 030000006f0e00003901000000430000,Afterglow Prismatic Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
 03000000100000008200000011010000,Akishop Customs PS360+ v1.66,a:b1,b:b2,back:b12,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,lefttrigger:b6,rightshoulder:b5,righttrigger:b7,start:b9,x:b0,y:b3,platform:Linux,
+05000000491900000204000021000000,Amazon Fire Game Controller,a:b0,b:b1,x:b3,y:b4,back:b10,guide:b12,start:b11,leftstick:b13,rightstick:b14,leftshoulder:b6,rightshoulder:b7,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Linux,
 05000000050b00000045000031000000,ASUS Gamepad,a:b0,b:b1,back:b9,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b6,leftshoulder:b4,leftstick:b7,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b8,righttrigger:a4,rightx:a2,righty:a3,start:b10,x:b2,y:b3,platform:Linux,
+05000000050b00000045000040000000,ASUS Gamepad,a:b0,b:b1,back:b9,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b6,leftshoulder:b4,leftstick:b7,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b8,righttrigger:a4,rightx:a2,righty:a3,start:b10,x:b2,y:b3,platform:Linux,
 03000000120c00000500000010010000,AxisPad,a:b2,b:b3,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b8,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b9,righttrigger:b7,rightx:a3,righty:a2,start:b11,x:b0,y:b1,platform:Linux,
 03000000666600006706000000010000,boom PSX to PC Converter,a:b2,b:b1,back:b8,dpdown:b14,dpleft:b15,dpright:b13,dpup:b12,leftshoulder:b6,leftstick:b9,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b10,righttrigger:b5,rightx:a2,righty:a3,start:b11,x:b3,y:b0,platform:Linux,
 03000000e82000006058000001010000,Cideko AK08b,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Linux,
@@ -365,6 +377,7 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 03000000bc2000000055000011010000,GameSir G3w,a:b0,b:b1,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b13,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b14,righttrigger:a4,rightx:a2,righty:a3,start:b11,x:b3,y:b4,platform:Linux,
 0500000047532047616d657061640000,GameStop Gamepad,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Linux,
 030000006f0e00000104000000010000,Gamestop Logic3 Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
+030000008f0e00000800000010010000,Gasia Co. Ltd PS(R) Gamepad,a:b2,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b3,y:b0,platform:Linux,
 030000006f0e00001304000000010000,Generic X-Box pad,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:a0,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:a3,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
 03000000f0250000c183000010010000,Goodbetterbest Ltd USB Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
 0300000079000000d418000000010000,GPD Win 2 Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
@@ -437,7 +450,9 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 030000005e040000d102000003020000,Microsoft X-Box One pad v2,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,
 030000005e0400008502000000010000,Microsoft X-Box pad (Japan),a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b5,leftstick:b8,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b2,rightstick:b9,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b3,y:b4,platform:Linux,
 030000005e0400008902000021010000,Microsoft X-Box pad v2 (US),a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b5,leftstick:b8,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b2,rightstick:b9,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b3,y:b4,platform:Linux,
+05000000d6200000e589000001000000,Moga 2 HID,a:b0,b:b1,x:b2,y:b3,back:b9,start:b6,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Linux,
 05000000d6200000ad0d000001000000,Moga Pro,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b7,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b8,righttrigger:a4,rightx:a2,righty:a3,start:b6,x:b2,y:b3,platform:Linux,
+05000000d62000007162000001000000,Moga Pro 2 HID,a:b0,b:b1,x:b2,y:b3,back:b9,start:b6,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:a5,righttrigger:a4,platform:Linux,
 03000000250900006688000000010000,MP-8866 Super Dual Box,a:b2,b:b1,back:b9,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b6,leftstick:b10,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b11,righttrigger:b5,rightx:a2,righty:a3,start:b8,x:b3,y:b0,platform:Linux,
 030000000d0f00000900000010010000,Natec Genesis P44,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,platform:Linux,
 030000001008000001e5000010010000,NEXT SNES Controller,a:b2,b:b1,back:b8,dpdown:+a1,dpleft:-a0,dpright:+a0,dpup:-a1,leftshoulder:b4,rightshoulder:b6,start:b9,x:b3,y:b0,platform:Linux,
@@ -446,6 +461,8 @@ xinput,XInput Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,
 05000000010000000100000003000000,Nintendo Wiimote,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b10,leftshoulder:b4,leftstick:b11,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b12,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,platform:Linux,
 030000000d0500000308000010010000,Nostromo n45 Dual Analog Gamepad,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b9,leftshoulder:b4,leftstick:b12,lefttrigger:b5,leftx:a0,lefty:a1,rightshoulder:b6,rightstick:b11,righttrigger:b7,rightx:a3,righty:a2,start:b10,x:b2,y:b3,platform:Linux,
 03000000550900001072000011010000,NVIDIA Controller,a:b0,b:b1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b13,leftshoulder:b4,leftstick:b8,lefttrigger:a5,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b9,righttrigger:a4,rightx:a2,righty:a3,start:b7,x:b2,y:b3,platform:Linux,
+05000000550900001472000001000000,NVIDIA Controller v01.04,a:b0,b:b1,x:b2,y:b3,back:b14,guide:b16,start:b6,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a5,lefttrigger:a3,righttrigger:a4,platform:Linux,
+03000000550900001472000011010000,NVIDIA Controller v01.04,a:b0,b:b1,x:b2,y:b3,back:b14,guide:b16,start:b6,leftstick:b7,rightstick:b8,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a2,righty:a5,lefttrigger:a3,righttrigger:a4,platform:Linux,
 03000000451300000830000010010000,NYKO CORE,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a5,start:b9,x:b0,y:b3,platform:Linux,
 030000005e0400000202000000010000,Old Xbox pad,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b5,leftstick:b8,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b2,rightstick:b9,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b3,y:b4,platform:Linux,
 05000000362800000100000002010000,OUYA Game Controller,a:b0,b:b3,dpdown:b9,dpleft:b10,dpright:b11,dpup:b8,guide:b14,leftshoulder:b4,leftstick:b6,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b7,righttrigger:a5,rightx:a3,righty:a4,x:b1,y:b2,platform:Linux,
diff --git a/main/input_default.cpp b/main/input_default.cpp
index e8133f9eba..e9f1eeff6a 100644
--- a/main/input_default.cpp
+++ b/main/input_default.cpp
@@ -355,6 +355,7 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 				Ref<InputEventMouseButton> button_event;
 				button_event.instance();
 
+				button_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
 				button_event->set_position(st->get_position());
 				button_event->set_global_position(st->get_position());
 				button_event->set_pressed(st->is_pressed());
@@ -383,6 +384,7 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 			Ref<InputEventMouseMotion> motion_event;
 			motion_event.instance();
 
+			motion_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
 			motion_event->set_position(sd->get_position());
 			motion_event->set_global_position(sd->get_position());
 			motion_event->set_relative(sd->get_relative());
@@ -600,6 +602,7 @@ void InputDefault::ensure_touch_mouse_raised() {
 		Ref<InputEventMouseButton> button_event;
 		button_event.instance();
 
+		button_event->set_device(InputEvent::DEVICE_ID_TOUCH_MOUSE);
 		button_event->set_position(mouse_pos);
 		button_event->set_global_position(mouse_pos);
 		button_event->set_pressed(false);
diff --git a/main/main.cpp b/main/main.cpp
index 1ef8491a60..fc9ec3b2d9 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -856,6 +856,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 	}
 
 	if (editor || project_manager) {
+		Engine::get_singleton()->set_editor_hint(true);
 		use_custom_res = false;
 		input_map->load_default(); //keys for editor
 	} else {
@@ -1208,6 +1209,7 @@ Error Main::setup2(Thread::ID p_main_tid_override) {
 
 	GLOBAL_DEF("display/mouse_cursor/custom_image", String());
 	GLOBAL_DEF("display/mouse_cursor/custom_image_hotspot", Vector2());
+	GLOBAL_DEF("display/mouse_cursor/tooltip_position_offset", Point2(10, 10));
 	ProjectSettings::get_singleton()->set_custom_property_info("display/mouse_cursor/custom_image", PropertyInfo(Variant::STRING, "display/mouse_cursor/custom_image", PROPERTY_HINT_FILE, "*.png,*.webp"));
 
 	if (String(ProjectSettings::get_singleton()->get("display/mouse_cursor/custom_image")) != String()) {
@@ -1880,7 +1882,9 @@ bool Main::iteration() {
 
 	uint64_t idle_begin = OS::get_singleton()->get_ticks_usec();
 
-	OS::get_singleton()->get_main_loop()->idle(step * time_scale);
+	if (OS::get_singleton()->get_main_loop()->idle(step * time_scale)) {
+		exit = true;
+	}
 	message_queue->flush();
 
 	VisualServer::get_singleton()->sync(); //sync if still drawing from previous frames.
diff --git a/main/tests/test_gdscript.cpp b/main/tests/test_gdscript.cpp
index 55e31a18c3..7a711e8cc9 100644
--- a/main/tests/test_gdscript.cpp
+++ b/main/tests/test_gdscript.cpp
@@ -127,6 +127,7 @@ static String _parser_expr(const GDScriptParser::Node *p_expr) {
 
 				case GDScriptParser::OperatorNode::OP_PARENT_CALL:
 					txt += ".";
+					FALLTHROUGH;
 				case GDScriptParser::OperatorNode::OP_CALL: {
 
 					ERR_FAIL_COND_V(c_node->arguments.size() < 1, "");
@@ -563,7 +564,7 @@ static void _disassemble_class(const Ref<GDScript> &p_class, const Vector<String
 				case GDScriptFunction::OPCODE_OPERATOR: {
 
 					int op = code[ip + 1];
-					txt += "op ";
+					txt += " op ";
 
 					String opname = Variant::get_operator_name(Variant::Operator(op));
 
diff --git a/methods.py b/methods.py
index 7465962187..5bc30dc643 100644
--- a/methods.py
+++ b/methods.py
@@ -668,5 +668,8 @@ def get_compiler_version(env):
     else:
         return None
 
-def use_gcc(env):
+def using_gcc(env):
     return 'gcc' in os.path.basename(env["CC"])
+
+def using_clang(env):
+    return 'clang' in os.path.basename(env["CC"])
diff --git a/misc/dist/linux/godot.6 b/misc/dist/linux/godot.6
index 078f8bcf91..4860c7b5a8 100644
--- a/misc/dist/linux/godot.6
+++ b/misc/dist/linux/godot.6
@@ -1,4 +1,4 @@
-.TH GODOT "6" "January 2019" "godot 3.1" "Games"
+.TH GODOT "6" "March 2019" "godot 3.2" "Games"
 .SH NAME
 godot \- multi\-platform 2D and 3D game engine with a feature\-rich editor
 .SH SYNOPSIS
diff --git a/misc/dist/linux/org.godotengine.Godot.xml b/misc/dist/linux/x-godot-project.xml
index 0572e4e54e..0572e4e54e 100644
--- a/misc/dist/linux/org.godotengine.Godot.xml
+++ b/misc/dist/linux/x-godot-project.xml
diff --git a/misc/dist/osx_tools.app/Contents/Info.plist b/misc/dist/osx_tools.app/Contents/Info.plist
index 2d6fa4d059..bb22f1807c 100755
--- a/misc/dist/osx_tools.app/Contents/Info.plist
+++ b/misc/dist/osx_tools.app/Contents/Info.plist
@@ -19,11 +19,13 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.1</string>
+	<string>3.2</string>
 	<key>CFBundleSignature</key>
 	<string>godot</string>
 	<key>CFBundleVersion</key>
-	<string>3.1</string>
+	<string>3.2</string>
+	<key>NSRequiresAquaSystemAppearance</key>
+    	<false />
 	<key>NSHumanReadableCopyright</key>
 	<string>© 2007-2019 Juan Linietsky, Ariel Manzur &amp; Godot Engine contributors</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/modules/assimp/SCsub b/modules/assimp/SCsub
new file mode 100644
index 0000000000..61a357809a
--- /dev/null
+++ b/modules/assimp/SCsub
@@ -0,0 +1,95 @@
+#!/usr/bin/env python
+
+Import('env')
+Import('env_modules')
+
+env_assimp = env_modules.Clone()
+env_assimp.Append(CPPPATH=['#thirdparty/assimp'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/include'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/code/Importer/IFC'])
+env_assimp.Append(CPPPATH=['#thirdparty/misc'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/code'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/contrib/irrXML/'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/contrib/unzip/'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/code/Importer/STEPParser'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/'])
+env_assimp.Append(CPPPATH=['#thirdparty/zlib/'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/contrib/openddlparser/include'])
+env_assimp.Append(CPPPATH=['#thirdparty/assimp/contrib/rapidjson/include'])
+env_assimp.Append(CPPPATH=['.'])
+#env_assimp.Append(CPPFLAGS=['-DASSIMP_DOUBLE_PRECISION']) # TODO default to what godot is compiled with for future double support
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_BOOST_WORKAROUND'])
+env_assimp.Append(CPPFLAGS=['-DOPENDDLPARSER_BUILD'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_OWN_ZLIB'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_EXPORT'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_X_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_AMF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_3DS_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MD3_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MD5_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MDL_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MD2_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_PLY_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_ASE_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_OBJ_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_HMP_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_SMD_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MDC_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MD5_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_STL_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_LWO_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_DXF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_NFF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_RAW_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_SIB_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_OFF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_AC_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_BVH_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_IRRMESH_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_IRR_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_Q3D_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_B3D_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_COLLADA_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_TERRAGEN_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_CSM_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_3D_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_LWS_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_OGRE_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_OPENGEX_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_MS3D_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_COB_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_BLEND_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_Q3BSP_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_NDO_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_STEP_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_IFC_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_XGL_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_ASSBIN_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_GLTF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_C4D_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_3MF_IMPORTER'])
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_NO_X3D_IMPORTER'])
+
+env_assimp.Append(CPPFLAGS=['-DASSIMP_BUILD_SINGLETHREADED'])
+
+if (not env.msvc):
+    env_assimp.Append(CXXFLAGS=['-std=c++11'])
+elif (env.msvc == False and env['platform'] == 'windows'):
+    env_assimp.Append(LDFLAGS=['-pthread'])
+
+if(env['platform'] == 'windows'):
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM_WINDOWS'])
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM=WINDOWS'])
+elif(env['platform'] == 'x11'):
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM_LINUX'])
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM=LINUX'])
+elif(env['platform'] == 'osx'):
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM_DARWIN'])
+    env_assimp.Append(CPPFLAGS=['-DPLATFORM=DARWIN'])
+    
+env_thirdparty = env_assimp.Clone()
+env_thirdparty.disable_warnings()
+env_thirdparty.add_source_files(env.modules_sources, Glob('#thirdparty/assimp/code/*.cpp'))
+
+# Godot's own source files
+env_assimp.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/assimp/config.py b/modules/assimp/config.py
new file mode 100644
index 0000000000..098f1eafa9
--- /dev/null
+++ b/modules/assimp/config.py
@@ -0,0 +1,5 @@
+def can_build(env, platform):
+    return env['tools']
+
+def configure(env):
+    pass
diff --git a/modules/assimp/editor_scene_importer_assimp.cpp b/modules/assimp/editor_scene_importer_assimp.cpp
new file mode 100644
index 0000000000..4662cf9d0a
--- /dev/null
+++ b/modules/assimp/editor_scene_importer_assimp.cpp
@@ -0,0 +1,2181 @@
+/*************************************************************************/
+/*  editor_scene_importer_assimp.cpp                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "assimp/DefaultLogger.hpp"
+#include "assimp/Importer.hpp"
+#include "assimp/LogStream.hpp"
+#include "assimp/Logger.hpp"
+#include "assimp/SceneCombiner.h"
+#include "assimp/cexport.h"
+#include "assimp/cimport.h"
+#include "assimp/matrix4x4.h"
+#include "assimp/pbrmaterial.h"
+#include "assimp/postprocess.h"
+#include "assimp/scene.h"
+
+#include "core/bind/core_bind.h"
+#include "core/io/image_loader.h"
+#include "editor/editor_file_system.h"
+#include "editor/import/resource_importer_scene.h"
+#include "editor_scene_importer_assimp.h"
+#include "editor_settings.h"
+#include "scene/3d/camera.h"
+#include "scene/3d/light.h"
+#include "scene/3d/mesh_instance.h"
+#include "scene/animation/animation_player.h"
+#include "scene/main/node.h"
+#include "scene/resources/material.h"
+#include "scene/resources/surface_tool.h"
+#include "zutil.h"
+#include <string>
+
+void EditorSceneImporterAssimp::get_extensions(List<String> *r_extensions) const {
+
+	const String import_setting_string = "filesystem/import/open_asset_import/";
+
+	Map<String, ImportFormat> import_format;
+	{
+		Vector<String> exts;
+		exts.push_back("fbx");
+		ImportFormat import = { exts, true };
+		import_format.insert("fbx", import);
+	}
+	{
+		Vector<String> exts;
+		exts.push_back("pmx");
+		ImportFormat import = { exts, true };
+		import_format.insert("mmd", import);
+	}
+	for (Map<String, ImportFormat>::Element *E = import_format.front(); E; E = E->next()) {
+		_register_project_setting_import(E->key(), import_setting_string, E->get().extensions, r_extensions, E->get().is_default);
+	}
+}
+
+void EditorSceneImporterAssimp::_register_project_setting_import(const String generic, const String import_setting_string, const Vector<String> &exts, List<String> *r_extensions, const bool p_enabled) const {
+	const String use_generic = "use_" + generic;
+	_GLOBAL_DEF(import_setting_string + use_generic, p_enabled, true);
+	if (ProjectSettings::get_singleton()->get(import_setting_string + use_generic)) {
+		for (int32_t i = 0; i < exts.size(); i++) {
+			r_extensions->push_back(exts[i]);
+		}
+	}
+}
+
+uint32_t EditorSceneImporterAssimp::get_import_flags() const {
+	return IMPORT_SCENE;
+}
+
+AssimpStream::AssimpStream() {
+	// empty
+}
+
+AssimpStream::~AssimpStream() {
+	// empty
+}
+
+void AssimpStream::write(const char *message) {
+	print_verbose(String("Open Asset Import: ") + String(message).strip_edges());
+}
+
+void EditorSceneImporterAssimp::_bind_methods() {
+}
+
+Node *EditorSceneImporterAssimp::import_scene(const String &p_path, uint32_t p_flags, int p_bake_fps, List<String> *r_missing_deps, Error *r_err) {
+	Assimp::Importer importer;
+	std::wstring w_path = ProjectSettings::get_singleton()->globalize_path(p_path).c_str();
+	std::string s_path(w_path.begin(), w_path.end());
+	importer.SetPropertyBool(AI_CONFIG_PP_FD_REMOVE, true);
+	// Cannot remove pivot points because the static mesh will be in the wrong place
+	importer.SetPropertyBool(AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS, true);
+	int32_t max_bone_weights = 4;
+	//if (p_flags & IMPORT_ANIMATION_EIGHT_WEIGHTS) {
+	//	const int eight_bones = 8;
+	//	importer.SetPropertyBool(AI_CONFIG_PP_LBW_MAX_WEIGHTS, eight_bones);
+	//	max_bone_weights = eight_bones;
+	//}
+
+	importer.SetPropertyInteger(AI_CONFIG_PP_SBP_REMOVE, aiPrimitiveType_LINE | aiPrimitiveType_POINT);
+	//importer.SetPropertyFloat(AI_CONFIG_PP_DB_THRESHOLD, 1.0f);
+	int32_t post_process_Steps = aiProcess_CalcTangentSpace |
+								 //aiProcess_FlipUVs |
+								 //aiProcess_FlipWindingOrder |
+								 aiProcess_DropNormals |
+								 aiProcess_GenSmoothNormals |
+								 aiProcess_JoinIdenticalVertices |
+								 aiProcess_ImproveCacheLocality |
+								 aiProcess_LimitBoneWeights |
+								 //aiProcess_RemoveRedundantMaterials | // Causes a crash
+								 aiProcess_SplitLargeMeshes |
+								 aiProcess_Triangulate |
+								 aiProcess_GenUVCoords |
+								 //aiProcess_FindDegenerates |
+								 aiProcess_SortByPType |
+								 aiProcess_FindInvalidData |
+								 aiProcess_TransformUVCoords |
+								 aiProcess_FindInstances |
+								 //aiProcess_FixInfacingNormals |
+								 //aiProcess_ValidateDataStructure |
+								 aiProcess_OptimizeMeshes |
+								 //aiProcess_OptimizeGraph |
+								 //aiProcess_Debone |
+								 aiProcess_EmbedTextures |
+								 aiProcess_SplitByBoneCount |
+								 0;
+	const aiScene *scene = importer.ReadFile(s_path.c_str(),
+			post_process_Steps);
+	ERR_EXPLAIN(String("Open Asset Import failed to open: ") + String(importer.GetErrorString()));
+	ERR_FAIL_COND_V(scene == NULL, NULL);
+	return _generate_scene(p_path, scene, p_flags, p_bake_fps, max_bone_weights);
+}
+
+template <class T>
+struct EditorSceneImporterAssetImportInterpolate {
+
+	T lerp(const T &a, const T &b, float c) const {
+
+		return a + (b - a) * c;
+	}
+
+	T catmull_rom(const T &p0, const T &p1, const T &p2, const T &p3, float t) {
+
+		float t2 = t * t;
+		float t3 = t2 * t;
+
+		return 0.5f * ((2.0f * p1) + (-p0 + p2) * t + (2.0f * p0 - 5.0f * p1 + 4 * p2 - p3) * t2 + (-p0 + 3.0f * p1 - 3.0f * p2 + p3) * t3);
+	}
+
+	T bezier(T start, T control_1, T control_2, T end, float t) {
+		/* Formula from Wikipedia article on Bezier curves. */
+		real_t omt = (1.0 - t);
+		real_t omt2 = omt * omt;
+		real_t omt3 = omt2 * omt;
+		real_t t2 = t * t;
+		real_t t3 = t2 * t;
+
+		return start * omt3 + control_1 * omt2 * t * 3.0 + control_2 * omt * t2 * 3.0 + end * t3;
+	}
+};
+
+//thank you for existing, partial specialization
+template <>
+struct EditorSceneImporterAssetImportInterpolate<Quat> {
+
+	Quat lerp(const Quat &a, const Quat &b, float c) const {
+		ERR_FAIL_COND_V(!a.is_normalized(), Quat());
+		ERR_FAIL_COND_V(!b.is_normalized(), Quat());
+
+		return a.slerp(b, c).normalized();
+	}
+
+	Quat catmull_rom(const Quat &p0, const Quat &p1, const Quat &p2, const Quat &p3, float c) {
+		ERR_FAIL_COND_V(!p1.is_normalized(), Quat());
+		ERR_FAIL_COND_V(!p2.is_normalized(), Quat());
+
+		return p1.slerp(p2, c).normalized();
+	}
+
+	Quat bezier(Quat start, Quat control_1, Quat control_2, Quat end, float t) {
+		ERR_FAIL_COND_V(!start.is_normalized(), Quat());
+		ERR_FAIL_COND_V(!end.is_normalized(), Quat());
+
+		return start.slerp(end, t).normalized();
+	}
+};
+
+template <class T>
+T EditorSceneImporterAssimp::_interpolate_track(const Vector<float> &p_times, const Vector<T> &p_values, float p_time, AssetImportAnimation::Interpolation p_interp) {
+	//could use binary search, worth it?
+	int idx = -1;
+	for (int i = 0; i < p_times.size(); i++) {
+		if (p_times[i] > p_time)
+			break;
+		idx++;
+	}
+
+	EditorSceneImporterAssetImportInterpolate<T> interp;
+
+	switch (p_interp) {
+		case AssetImportAnimation::INTERP_LINEAR: {
+
+			if (idx == -1) {
+				return p_values[0];
+			} else if (idx >= p_times.size() - 1) {
+				return p_values[p_times.size() - 1];
+			}
+
+			float c = (p_time - p_times[idx]) / (p_times[idx + 1] - p_times[idx]);
+
+			return interp.lerp(p_values[idx], p_values[idx + 1], c);
+
+		} break;
+		case AssetImportAnimation::INTERP_STEP: {
+
+			if (idx == -1) {
+				return p_values[0];
+			} else if (idx >= p_times.size() - 1) {
+				return p_values[p_times.size() - 1];
+			}
+
+			return p_values[idx];
+
+		} break;
+		case AssetImportAnimation::INTERP_CATMULLROMSPLINE: {
+
+			if (idx == -1) {
+				return p_values[1];
+			} else if (idx >= p_times.size() - 1) {
+				return p_values[1 + p_times.size() - 1];
+			}
+
+			float c = (p_time - p_times[idx]) / (p_times[idx + 1] - p_times[idx]);
+
+			return interp.catmull_rom(p_values[idx - 1], p_values[idx], p_values[idx + 1], p_values[idx + 3], c);
+
+		} break;
+		case AssetImportAnimation::INTERP_CUBIC_SPLINE: {
+
+			if (idx == -1) {
+				return p_values[1];
+			} else if (idx >= p_times.size() - 1) {
+				return p_values[(p_times.size() - 1) * 3 + 1];
+			}
+
+			float c = (p_time - p_times[idx]) / (p_times[idx + 1] - p_times[idx]);
+
+			T from = p_values[idx * 3 + 1];
+			T c1 = from + p_values[idx * 3 + 2];
+			T to = p_values[idx * 3 + 4];
+			T c2 = to + p_values[idx * 3 + 3];
+
+			return interp.bezier(from, c1, c2, to, c);
+
+		} break;
+	}
+
+	ERR_FAIL_V(p_values[0]);
+}
+
+Spatial *EditorSceneImporterAssimp::_generate_scene(const String &p_path, const aiScene *scene, const uint32_t p_flags, int p_bake_fps, const int32_t p_max_bone_weights) {
+	ERR_FAIL_COND_V(scene == NULL, NULL);
+	Spatial *root = memnew(Spatial);
+	AnimationPlayer *ap = NULL;
+	if (p_flags & IMPORT_ANIMATION) {
+		ap = memnew(AnimationPlayer);
+		root->add_child(ap);
+		ap->set_owner(root);
+		ap->set_name(TTR("AnimationPlayer"));
+	}
+	Set<String> bone_names;
+	Set<String> light_names;
+	Set<String> camera_names;
+	real_t factor = 1.0f;
+	String ext = p_path.get_file().get_extension().to_lower();
+	if ((ext == "fbx")) {
+		if (scene->mMetaData != NULL) {
+			scene->mMetaData->Get("UnitScaleFactor", factor);
+			factor = factor * 0.01f;
+		}
+	}
+	for (size_t l = 0; l < scene->mNumLights; l++) {
+		Light *light = NULL;
+		aiLight *ai_light = scene->mLights[l];
+		ERR_CONTINUE(ai_light == NULL);
+		if (ai_light->mType == aiLightSource_DIRECTIONAL) {
+			light = memnew(DirectionalLight);
+			Vector3 dir = Vector3(ai_light->mDirection.y, ai_light->mDirection.x, ai_light->mDirection.z);
+			dir.normalize();
+			Transform xform;
+			Quat quat;
+			quat.set_euler(dir);
+			Vector3 pos = Vector3(ai_light->mPosition.x, ai_light->mPosition.y, ai_light->mPosition.z);
+			pos = factor * pos;
+			xform.origin = pos;
+			light->set_transform(xform);
+		} else if (ai_light->mType == aiLightSource_POINT) {
+			light = memnew(OmniLight);
+			Vector3 pos = Vector3(ai_light->mPosition.x, ai_light->mPosition.y, ai_light->mPosition.z);
+			Transform xform;
+			xform.origin = pos;
+			pos = factor * pos;
+			light->set_transform(xform);
+			// No idea for energy
+			light->set_param(Light::PARAM_ATTENUATION, 0.0f);
+		} else if (ai_light->mType == aiLightSource_SPOT) {
+			light = memnew(SpotLight);
+			Vector3 pos = Vector3(ai_light->mPosition.x, ai_light->mPosition.y, ai_light->mPosition.z);
+			pos = factor * pos;
+			Transform xform;
+			xform.origin = pos;
+			Vector3 dir = Vector3(ai_light->mDirection.y, ai_light->mDirection.x, ai_light->mDirection.z);
+			dir.normalize();
+			Quat quat;
+			quat.set_euler(dir);
+			xform.basis = quat;
+			light->set_transform(xform);
+			// No idea for energy
+			light->set_param(Light::PARAM_ATTENUATION, 0.0f);
+		}
+		ERR_CONTINUE(light == NULL);
+		light->set_color(Color(ai_light->mColorDiffuse.r, ai_light->mColorDiffuse.g, ai_light->mColorDiffuse.b));
+		root->add_child(light);
+		light->set_name(_ai_string_to_string(ai_light->mName));
+		light->set_owner(root);
+		light_names.insert(_ai_string_to_string(scene->mLights[l]->mName));
+	}
+	for (size_t c = 0; c < scene->mNumCameras; c++) {
+		aiCamera *ai_camera = scene->mCameras[c];
+		Camera *camera = memnew(Camera);
+		float near = ai_camera->mClipPlaneNear;
+		if (Math::is_equal_approx(near, 0.0f)) {
+			near = 0.1f;
+		}
+		camera->set_perspective(Math::rad2deg(ai_camera->mHorizontalFOV) * 2.0f, near, ai_camera->mClipPlaneFar);
+		Vector3 pos = Vector3(ai_camera->mPosition.x, ai_camera->mPosition.y, ai_camera->mPosition.z);
+
+		Vector3 look_at = Vector3(ai_camera->mLookAt.y, ai_camera->mLookAt.x, ai_camera->mLookAt.z).normalized();
+		Quat quat;
+		quat.set_euler(look_at);
+		Transform xform;
+		xform.basis = quat;
+		xform.set_origin(pos);
+		root->add_child(camera);
+		camera->set_transform(xform);
+		camera->set_name(_ai_string_to_string(ai_camera->mName));
+		camera->set_owner(root);
+		camera_names.insert(_ai_string_to_string(scene->mCameras[c]->mName));
+	}
+	Map<Skeleton *, MeshInstance *> skeletons;
+	Map<String, Transform> bone_rests;
+	Vector<MeshInstance *> meshes;
+	int32_t mesh_count = 0;
+	Skeleton *s = memnew(Skeleton);
+	Set<String> removed_bones;
+	Map<String, Map<uint32_t, String> > path_morph_mesh_names;
+	_generate_node(p_path, scene, scene->mRootNode, root, root, bone_names, light_names, camera_names, skeletons, bone_rests, meshes, mesh_count, s, p_max_bone_weights, removed_bones, path_morph_mesh_names);
+	for (Map<Skeleton *, MeshInstance *>::Element *E = skeletons.front(); E; E = E->next()) {
+		E->key()->localize_rests();
+	}
+	Set<String> removed_nodes;
+	Set<Node *> keep_nodes;
+	_keep_node(p_path, root, root, keep_nodes);
+	_fill_kept_node(keep_nodes);
+	_filter_node(p_path, root, root, keep_nodes, removed_nodes);
+	if (p_flags & IMPORT_ANIMATION) {
+		for (size_t i = 0; i < scene->mNumAnimations; i++) {
+			_import_animation(p_path, meshes, scene, ap, i, p_bake_fps, skeletons, removed_nodes, removed_bones, path_morph_mesh_names);
+		}
+		List<StringName> animation_names;
+		ap->get_animation_list(&animation_names);
+		if (animation_names.empty()) {
+			root->remove_child(ap);
+			memdelete(ap);
+		}
+	}
+	return root;
+}
+
+void EditorSceneImporterAssimp::_fill_kept_node(Set<Node *> &keep_nodes) {
+	for (Set<Node *>::Element *E = keep_nodes.front(); E; E = E->next()) {
+		Node *node = E->get();
+		while (node != NULL) {
+			if (keep_nodes.has(node) == false) {
+				keep_nodes.insert(node);
+			}
+			node = node->get_parent();
+		}
+	}
+}
+
+String EditorSceneImporterAssimp::_find_skeleton_bone_root(Map<Skeleton *, MeshInstance *> &skeletons, Map<MeshInstance *, String> &meshes, Spatial *root) {
+	for (Map<Skeleton *, MeshInstance *>::Element *E = skeletons.front(); E; E = E->next()) {
+		if (meshes.has(E->get())) {
+			String name = meshes[E->get()];
+			if (name != "") {
+				return name;
+			}
+		}
+	}
+	return "";
+}
+
+void EditorSceneImporterAssimp::_set_bone_parent(Skeleton *s, Node *p_owner, aiNode *p_node) {
+	for (int32_t j = 0; j < s->get_bone_count(); j++) {
+		String bone_name = s->get_bone_name(j);
+		const aiNode *ai_bone_node = _ai_find_node(p_node, bone_name);
+		if (ai_bone_node == NULL) {
+			continue;
+		}
+		ai_bone_node = ai_bone_node->mParent;
+		while (ai_bone_node != NULL) {
+			int32_t node_parent_index = -1;
+			String parent_bone_name = _ai_string_to_string(ai_bone_node->mName);
+			node_parent_index = s->find_bone(parent_bone_name);
+			if (node_parent_index != -1) {
+				s->set_bone_parent(j, node_parent_index);
+				break;
+			}
+			ai_bone_node = ai_bone_node->mParent;
+		}
+	}
+}
+
+void EditorSceneImporterAssimp::_insert_animation_track(const aiScene *p_scene, const String p_path, int p_bake_fps, Ref<Animation> animation, float ticks_per_second, float length, const Skeleton *sk, const aiNodeAnim *track, String node_name, NodePath node_path) {
+
+	if (track->mNumRotationKeys || track->mNumPositionKeys || track->mNumScalingKeys) {
+		//make transform track
+		int track_idx = animation->get_track_count();
+		animation->add_track(Animation::TYPE_TRANSFORM);
+		animation->track_set_path(track_idx, node_path);
+		//first determine animation length
+
+		for (size_t i = 0; i < track->mNumRotationKeys; i++) {
+			length = MAX(length, track->mRotationKeys[i].mTime / ticks_per_second);
+		}
+		for (size_t i = 0; i < track->mNumPositionKeys; i++) {
+			length = MAX(length, track->mPositionKeys[i].mTime / ticks_per_second);
+		}
+		for (size_t i = 0; i < track->mNumScalingKeys; i++) {
+			length = MAX(length, track->mScalingKeys[i].mTime / ticks_per_second);
+		}
+
+		float increment = 1.0 / float(p_bake_fps);
+		float time = 0.0;
+
+		Vector3 base_pos;
+		Quat base_rot;
+		Vector3 base_scale = Vector3(1, 1, 1);
+
+		if (track->mNumRotationKeys != 0) {
+			aiQuatKey key = track->mRotationKeys[0];
+			real_t x = key.mValue.x;
+			real_t y = key.mValue.y;
+			real_t z = key.mValue.z;
+			real_t w = key.mValue.w;
+			Quat q(x, y, z, w);
+			q = q.normalized();
+			base_rot = q;
+		}
+
+		if (track->mNumPositionKeys != 0) {
+			aiVectorKey key = track->mPositionKeys[0];
+			real_t x = key.mValue.x;
+			real_t y = key.mValue.y;
+			real_t z = key.mValue.z;
+			base_pos = Vector3(x, y, z);
+		}
+
+		if (track->mNumScalingKeys != 0) {
+			aiVectorKey key = track->mScalingKeys[0];
+			real_t x = key.mValue.x;
+			real_t y = key.mValue.y;
+			real_t z = key.mValue.z;
+			base_scale = Vector3(x, y, z);
+		}
+
+		bool last = false;
+
+		Vector<Vector3> pos_values;
+		Vector<float> pos_times;
+		Vector<Vector3> scale_values;
+		Vector<float> scale_times;
+		Vector<Quat> rot_values;
+		Vector<float> rot_times;
+
+		for (size_t p = 0; p < track->mNumPositionKeys; p++) {
+			aiVector3D pos = track->mPositionKeys[p].mValue;
+			pos_values.push_back(Vector3(pos.x, pos.y, pos.z));
+			pos_times.push_back(track->mPositionKeys[p].mTime / ticks_per_second);
+		}
+
+		for (size_t r = 0; r < track->mNumRotationKeys; r++) {
+			aiQuaternion quat = track->mRotationKeys[r].mValue;
+			rot_values.push_back(Quat(quat.x, quat.y, quat.z, quat.w).normalized());
+			rot_times.push_back(track->mRotationKeys[r].mTime / ticks_per_second);
+		}
+
+		for (size_t sc = 0; sc < track->mNumScalingKeys; sc++) {
+			aiVector3D scale = track->mScalingKeys[sc].mValue;
+			scale_values.push_back(Vector3(scale.x, scale.y, scale.z));
+			scale_times.push_back(track->mScalingKeys[sc].mTime / ticks_per_second);
+		}
+		while (true) {
+			Vector3 pos = base_pos;
+			Quat rot = base_rot;
+			Vector3 scale = base_scale;
+
+			if (pos_values.size()) {
+				pos = _interpolate_track<Vector3>(pos_times, pos_values, time, AssetImportAnimation::INTERP_LINEAR);
+			}
+
+			if (rot_values.size()) {
+				rot = _interpolate_track<Quat>(rot_times, rot_values, time, AssetImportAnimation::INTERP_LINEAR).normalized();
+			}
+
+			if (scale_values.size()) {
+				scale = _interpolate_track<Vector3>(scale_times, scale_values, time, AssetImportAnimation::INTERP_LINEAR);
+			}
+
+			if (sk != NULL && sk->find_bone(node_name) != -1) {
+				Transform xform;
+				xform.basis.set_quat_scale(rot, scale);
+				xform.origin = pos;
+
+				int bone = sk->find_bone(node_name);
+				Transform rest_xform = sk->get_bone_rest(bone);
+				xform = rest_xform.affine_inverse() * xform;
+				rot = xform.basis.get_rotation_quat();
+				scale = xform.basis.get_scale();
+				pos = xform.origin;
+			}
+			{
+				Transform xform;
+				xform.basis.set_quat_scale(rot, scale);
+				xform.origin = pos;
+				Transform anim_xform;
+				String ext = p_path.get_file().get_extension().to_lower();
+				if (ext == "fbx") {
+					real_t factor = 1.0f;
+					if (p_scene->mMetaData != NULL) {
+						p_scene->mMetaData->Get("UnitScaleFactor", factor);
+					}
+					anim_xform = anim_xform.scaled(Vector3(factor, factor, factor));
+				}
+				xform = anim_xform * xform;
+				rot = xform.basis.get_rotation_quat();
+				scale = xform.basis.get_scale();
+				pos = xform.origin;
+			}
+			rot.normalize();
+
+			animation->track_set_interpolation_type(track_idx, Animation::INTERPOLATION_LINEAR);
+			animation->transform_track_insert_key(track_idx, time, pos, rot, scale);
+
+			if (last) {
+				break;
+			}
+			time += increment;
+			if (time >= length) {
+				last = true;
+				time = length;
+			}
+		}
+	}
+}
+
+void EditorSceneImporterAssimp::_import_animation(const String p_path, const Vector<MeshInstance *> p_meshes, const aiScene *p_scene, AnimationPlayer *ap, int32_t p_index, int p_bake_fps, Map<Skeleton *, MeshInstance *> p_skeletons, const Set<String> p_removed_nodes, const Set<String> removed_bones, const Map<String, Map<uint32_t, String> > p_path_morph_mesh_names) {
+	String name = "Animation";
+	aiAnimation const *anim = NULL;
+	if (p_index != -1) {
+		anim = p_scene->mAnimations[p_index];
+		if (anim->mName.length > 0) {
+			name = _ai_anim_string_to_string(anim->mName);
+		}
+	}
+
+	Ref<Animation> animation;
+	animation.instance();
+	float length = 0.0f;
+	animation->set_name(name);
+	float ticks_per_second = p_scene->mAnimations[p_index]->mTicksPerSecond;
+
+	if (p_scene->mMetaData != NULL && Math::is_equal_approx(ticks_per_second, 0.0f)) {
+		int32_t time_mode = 0;
+		p_scene->mMetaData->Get("TimeMode", time_mode);
+		ticks_per_second = _get_fbx_fps(time_mode, p_scene);
+	}
+
+	if ((p_path.get_file().get_extension().to_lower() == "glb" || p_path.get_file().get_extension().to_lower() == "gltf") && Math::is_equal_approx(ticks_per_second, 0.0f)) {
+		ticks_per_second = 1000.0f;
+	}
+
+	if (Math::is_equal_approx(ticks_per_second, 0.0f)) {
+		ticks_per_second = 25.0f;
+	}
+
+	length = anim->mDuration / ticks_per_second;
+	if (anim) {
+		Map<String, Vector<const aiNodeAnim *> > node_tracks;
+		for (size_t i = 0; i < anim->mNumChannels; i++) {
+			const aiNodeAnim *track = anim->mChannels[i];
+			String node_name = _ai_string_to_string(track->mNodeName);
+			NodePath node_path = node_name;
+			bool is_bone = false;
+			if (node_name.split(ASSIMP_FBX_KEY).size() > 1) {
+				String p_track_type = node_name.split(ASSIMP_FBX_KEY)[1];
+				if (p_track_type == "_Translation" || p_track_type == "_Rotation" || p_track_type == "_Scaling") {
+					continue;
+				}
+			}
+			for (Map<Skeleton *, MeshInstance *>::Element *E = p_skeletons.front(); E; E = E->next()) {
+				Skeleton *sk = E->key();
+				const String path = ap->get_owner()->get_path_to(sk);
+				if (path.empty()) {
+					continue;
+				}
+				if (sk->find_bone(node_name) == -1) {
+					continue;
+				}
+				node_path = path + ":" + node_name;
+				ERR_CONTINUE(ap->get_owner()->has_node(node_path) == false);
+				_insert_animation_track(p_scene, p_path, p_bake_fps, animation, ticks_per_second, length, sk, track, node_name, node_path);
+				is_bone = true;
+			}
+			if (is_bone) {
+				continue;
+			}
+			Node *node = ap->get_owner()->find_node(node_name);
+			if (node == NULL) {
+				continue;
+			}
+			if (p_removed_nodes.has(node_name)) {
+				continue;
+			}
+			const String path = ap->get_owner()->get_path_to(node);
+			if (path.empty()) {
+				print_verbose("Can't animate path");
+				continue;
+			}
+			node_path = path;
+			if (ap->get_owner()->has_node(node_path) == false) {
+				continue;
+			}
+			_insert_animation_track(p_scene, p_path, p_bake_fps, animation, ticks_per_second, length, NULL, track, node_name, node_path);
+		}
+		for (size_t i = 0; i < anim->mNumChannels; i++) {
+			const aiNodeAnim *track = anim->mChannels[i];
+			String node_name = _ai_string_to_string(track->mNodeName);
+			Vector<String> split_name = node_name.split(ASSIMP_FBX_KEY);
+			String bare_name = split_name[0];
+			Node *node = ap->get_owner()->find_node(bare_name);
+			if (node != NULL && split_name.size() > 1) {
+				Map<String, Vector<const aiNodeAnim *> >::Element *E = node_tracks.find(bare_name);
+				Vector<const aiNodeAnim *> ai_tracks;
+				if (E) {
+					ai_tracks = E->get();
+					ai_tracks.push_back(anim->mChannels[i]);
+				} else {
+					ai_tracks.push_back(anim->mChannels[i]);
+				}
+				node_tracks.insert(bare_name, ai_tracks);
+			}
+		}
+		for (Map<Skeleton *, MeshInstance *>::Element *E = p_skeletons.front(); E; E = E->next()) {
+			Skeleton *sk = E->key();
+			Map<String, Vector<const aiNodeAnim *> > anim_tracks;
+			for (int32_t i = 0; i < sk->get_bone_count(); i++) {
+				String _bone_name = sk->get_bone_name(i);
+				Vector<const aiNodeAnim *> ai_tracks;
+
+				if (sk->find_bone(_bone_name) == -1) {
+					continue;
+				}
+				for (size_t j = 0; j < anim->mNumChannels; j++) {
+					if (_ai_string_to_string(anim->mChannels[j]->mNodeName).split(ASSIMP_FBX_KEY).size() == 1) {
+						continue;
+					}
+					String track_name = _ai_string_to_string(anim->mChannels[j]->mNodeName).split(ASSIMP_FBX_KEY)[0];
+					if (track_name != _bone_name) {
+						continue;
+					}
+					if (sk->find_bone(_bone_name) == -1) {
+						continue;
+					}
+					ai_tracks.push_back(anim->mChannels[j]);
+				}
+				if (ai_tracks.size() == 0) {
+					continue;
+				}
+				anim_tracks.insert(_bone_name, ai_tracks);
+			}
+			for (Map<String, Vector<const aiNodeAnim *> >::Element *F = anim_tracks.front(); F; F = F->next()) {
+				_insert_pivot_anim_track(p_meshes, F->key(), F->get(), ap, sk, length, ticks_per_second, animation, p_bake_fps, p_path, p_scene);
+			}
+		}
+		for (Map<String, Vector<const aiNodeAnim *> >::Element *E = node_tracks.front(); E; E = E->next()) {
+			if (p_removed_nodes.has(E->key())) {
+				continue;
+			}
+			if (removed_bones.find(E->key())) {
+				continue;
+			}
+			_insert_pivot_anim_track(p_meshes, E->key(), E->get(), ap, NULL, length, ticks_per_second, animation, p_bake_fps, p_path, p_scene);
+		}
+		for (size_t i = 0; i < anim->mNumMorphMeshChannels; i++) {
+			const aiMeshMorphAnim *anim_mesh = anim->mMorphMeshChannels[i];
+			const String prop_name = _ai_string_to_string(anim_mesh->mName);
+			const String mesh_name = prop_name.split("*")[0];
+			if (p_removed_nodes.has(mesh_name)) {
+				continue;
+			}
+			ERR_CONTINUE(prop_name.split("*").size() != 2);
+			const MeshInstance *mesh_instance = Object::cast_to<MeshInstance>(ap->get_owner()->find_node(mesh_name));
+			ERR_CONTINUE(mesh_instance == NULL);
+			if (ap->get_owner()->find_node(mesh_instance->get_name()) == NULL) {
+				print_verbose("Can't find mesh in scene: " + mesh_instance->get_name());
+				continue;
+			}
+			const String path = ap->get_owner()->get_path_to(mesh_instance);
+			if (path.empty()) {
+				print_verbose("Can't find mesh in scene");
+				continue;
+			}
+			Ref<Mesh> mesh = mesh_instance->get_mesh();
+			ERR_CONTINUE(mesh.is_null());
+			const Map<String, Map<uint32_t, String> >::Element *E = p_path_morph_mesh_names.find(mesh_name);
+			ERR_CONTINUE(E == NULL);
+			for (size_t k = 0; k < anim_mesh->mNumKeys; k++) {
+				for (size_t j = 0; j < anim_mesh->mKeys[k].mNumValuesAndWeights; j++) {
+					const Map<uint32_t, String>::Element *F = E->get().find(anim_mesh->mKeys[k].mValues[j]);
+					ERR_CONTINUE(F == NULL);
+					const String prop = "blend_shapes/" + F->get();
+					const NodePath node_path = String(path) + ":" + prop;
+					ERR_CONTINUE(ap->get_owner()->has_node(node_path) == false);
+					int32_t blend_track_idx = -1;
+					if (animation->find_track(node_path) == -1) {
+						blend_track_idx = animation->get_track_count();
+						animation->add_track(Animation::TYPE_VALUE);
+						animation->track_set_interpolation_type(blend_track_idx, Animation::INTERPOLATION_LINEAR);
+						animation->track_set_path(blend_track_idx, node_path);
+					} else {
+						blend_track_idx = animation->find_track(node_path);
+					}
+					float t = anim_mesh->mKeys[k].mTime / ticks_per_second;
+					float w = anim_mesh->mKeys[k].mWeights[j];
+					animation->track_insert_key(blend_track_idx, t, w);
+				}
+			}
+		}
+	}
+	animation->set_length(length);
+	if (animation->get_track_count()) {
+		ap->add_animation(name, animation);
+	}
+}
+
+void EditorSceneImporterAssimp::_insert_pivot_anim_track(const Vector<MeshInstance *> p_meshes, const String p_node_name, Vector<const aiNodeAnim *> F, AnimationPlayer *ap, Skeleton *sk, float &length, float ticks_per_second, Ref<Animation> animation, int p_bake_fps, const String &p_path, const aiScene *p_scene) {
+	NodePath node_path;
+	if (sk != NULL) {
+		const String path = ap->get_owner()->get_path_to(sk);
+		if (path.empty()) {
+			return;
+		}
+		if (sk->find_bone(p_node_name) == -1) {
+			return;
+		}
+		node_path = path + ":" + p_node_name;
+	} else {
+		Node *node = ap->get_owner()->find_node(p_node_name);
+		if (node == NULL) {
+			return;
+		}
+		const String path = ap->get_owner()->get_path_to(node);
+		node_path = path;
+	}
+	if (node_path.is_empty()) {
+		return;
+	}
+
+	Vector<Vector3> pos_values;
+	Vector<float> pos_times;
+	Vector<Vector3> scale_values;
+	Vector<float> scale_times;
+	Vector<Quat> rot_values;
+	Vector<float> rot_times;
+	Vector3 base_pos;
+	Quat base_rot;
+	Vector3 base_scale = Vector3(1, 1, 1);
+	bool is_translation = false;
+	bool is_rotation = false;
+	bool is_scaling = false;
+	for (int32_t k = 0; k < F.size(); k++) {
+		String p_track_type = _ai_string_to_string(F[k]->mNodeName).split(ASSIMP_FBX_KEY)[1];
+		if (p_track_type == "_Translation") {
+			is_translation = is_translation || true;
+		} else if (p_track_type == "_Rotation") {
+			is_rotation = is_rotation || true;
+		} else if (p_track_type == "_Scaling") {
+			is_scaling = is_scaling || true;
+		} else {
+			continue;
+		}
+		ERR_CONTINUE(ap->get_owner()->has_node(node_path) == false);
+
+		if (F[k]->mNumRotationKeys || F[k]->mNumPositionKeys || F[k]->mNumScalingKeys) {
+
+			if (is_rotation) {
+				for (size_t i = 0; i < F[k]->mNumRotationKeys; i++) {
+					length = MAX(length, F[k]->mRotationKeys[i].mTime / ticks_per_second);
+				}
+			}
+			if (is_translation) {
+				for (size_t i = 0; i < F[k]->mNumPositionKeys; i++) {
+					length = MAX(length, F[k]->mPositionKeys[i].mTime / ticks_per_second);
+				}
+			}
+			if (is_scaling) {
+				for (size_t i = 0; i < F[k]->mNumScalingKeys; i++) {
+					length = MAX(length, F[k]->mScalingKeys[i].mTime / ticks_per_second);
+				}
+			}
+
+			if (is_rotation == false && is_translation == false && is_scaling == false) {
+				return;
+			}
+
+			if (is_rotation) {
+				if (F[k]->mNumRotationKeys != 0) {
+					aiQuatKey key = F[k]->mRotationKeys[0];
+					real_t x = key.mValue.x;
+					real_t y = key.mValue.y;
+					real_t z = key.mValue.z;
+					real_t w = key.mValue.w;
+					Quat q(x, y, z, w);
+					q = q.normalized();
+					base_rot = q;
+				}
+			}
+
+			if (is_translation) {
+				if (F[k]->mNumPositionKeys != 0) {
+					aiVectorKey key = F[k]->mPositionKeys[0];
+					real_t x = key.mValue.x;
+					real_t y = key.mValue.y;
+					real_t z = key.mValue.z;
+					base_pos = Vector3(x, y, z);
+				}
+			}
+
+			if (is_scaling) {
+				if (F[k]->mNumScalingKeys != 0) {
+					aiVectorKey key = F[k]->mScalingKeys[0];
+					real_t x = key.mValue.x;
+					real_t y = key.mValue.y;
+					real_t z = key.mValue.z;
+					base_scale = Vector3(x, y, z);
+				}
+			}
+			if (is_translation) {
+				for (size_t p = 0; p < F[k]->mNumPositionKeys; p++) {
+					aiVector3D pos = F[k]->mPositionKeys[p].mValue;
+					pos_values.push_back(Vector3(pos.x, pos.y, pos.z));
+					pos_times.push_back(F[k]->mPositionKeys[p].mTime / ticks_per_second);
+				}
+			}
+
+			if (is_rotation) {
+				for (size_t r = 0; r < F[k]->mNumRotationKeys; r++) {
+					aiQuaternion quat = F[k]->mRotationKeys[r].mValue;
+					rot_values.push_back(Quat(quat.x, quat.y, quat.z, quat.w).normalized());
+					rot_times.push_back(F[k]->mRotationKeys[r].mTime / ticks_per_second);
+				}
+			}
+
+			if (is_scaling) {
+				for (size_t sc = 0; sc < F[k]->mNumScalingKeys; sc++) {
+					aiVector3D scale = F[k]->mScalingKeys[sc].mValue;
+					scale_values.push_back(Vector3(scale.x, scale.y, scale.z));
+					scale_times.push_back(F[k]->mScalingKeys[sc].mTime / ticks_per_second);
+				}
+			}
+		}
+	}
+	int32_t track_idx = animation->get_track_count();
+	animation->add_track(Animation::TYPE_TRANSFORM);
+	animation->track_set_path(track_idx, node_path);
+	float increment = 1.0 / float(p_bake_fps);
+	float time = 0.0;
+	bool last = false;
+	while (true) {
+		Vector3 pos = Vector3();
+		Quat rot = Quat();
+		Vector3 scale = Vector3(1.0f, 1.0f, 1.0f);
+		if (is_translation && pos_values.size()) {
+			pos = _interpolate_track<Vector3>(pos_times, pos_values, time, AssetImportAnimation::INTERP_LINEAR);
+			Transform anim_xform;
+			String ext = p_path.get_file().get_extension().to_lower();
+			if (ext == "fbx") {
+				aiNode *ai_node = _ai_find_node(p_scene->mRootNode, p_node_name);
+				Transform mesh_xform = _get_global_ai_node_transform(p_scene, ai_node);
+				pos = mesh_xform.origin + pos;
+				real_t factor = 1.0f;
+				if (p_scene->mMetaData != NULL) {
+					p_scene->mMetaData->Get("UnitScaleFactor", factor);
+					factor = factor * 0.01f;
+				}
+				pos = pos * factor;
+			}
+		}
+		if (is_rotation && rot_values.size()) {
+			rot = _interpolate_track<Quat>(rot_times, rot_values, time, AssetImportAnimation::INTERP_LINEAR).normalized();
+		}
+		if (is_scaling && scale_values.size()) {
+			scale = _interpolate_track<Vector3>(scale_times, scale_values, time, AssetImportAnimation::INTERP_LINEAR);
+		}
+		animation->track_set_interpolation_type(track_idx, Animation::INTERPOLATION_LINEAR);
+		animation->transform_track_insert_key(track_idx, time, pos, rot, scale);
+
+		if (last) {
+			break;
+		}
+		time += increment;
+		if (time >= length) {
+			last = true;
+			time = length;
+		}
+	}
+}
+
+float EditorSceneImporterAssimp::_get_fbx_fps(int32_t time_mode, const aiScene *p_scene) {
+	switch (time_mode) {
+		case AssetImportFbx::TIME_MODE_DEFAULT: return 24; //hack
+		case AssetImportFbx::TIME_MODE_120: return 120;
+		case AssetImportFbx::TIME_MODE_100: return 100;
+		case AssetImportFbx::TIME_MODE_60: return 60;
+		case AssetImportFbx::TIME_MODE_50: return 50;
+		case AssetImportFbx::TIME_MODE_48: return 48;
+		case AssetImportFbx::TIME_MODE_30: return 30;
+		case AssetImportFbx::TIME_MODE_30_DROP: return 30;
+		case AssetImportFbx::TIME_MODE_NTSC_DROP_FRAME: return 29.9700262f;
+		case AssetImportFbx::TIME_MODE_NTSC_FULL_FRAME: return 29.9700262f;
+		case AssetImportFbx::TIME_MODE_PAL: return 25;
+		case AssetImportFbx::TIME_MODE_CINEMA: return 24;
+		case AssetImportFbx::TIME_MODE_1000: return 1000;
+		case AssetImportFbx::TIME_MODE_CINEMA_ND: return 23.976f;
+		case AssetImportFbx::TIME_MODE_CUSTOM:
+			int32_t frame_rate;
+			p_scene->mMetaData->Get("FrameRate", frame_rate);
+			return frame_rate;
+	}
+	return 0;
+}
+
+Transform EditorSceneImporterAssimp::_get_global_ai_node_transform(const aiScene *p_scene, const aiNode *p_current_node) {
+	aiNode const *current_node = p_current_node;
+	Transform xform;
+	while (current_node != NULL) {
+		xform = _ai_matrix_transform(current_node->mTransformation) * xform;
+		current_node = current_node->mParent;
+	}
+	return xform;
+}
+
+void EditorSceneImporterAssimp::_generate_node_bone(const aiScene *p_scene, const aiNode *p_node, Map<String, bool> &p_mesh_bones, Skeleton *p_skeleton, const String p_path, const int32_t p_max_bone_weights) {
+	for (size_t i = 0; i < p_node->mNumMeshes; i++) {
+		const unsigned int mesh_idx = p_node->mMeshes[i];
+		const aiMesh *ai_mesh = p_scene->mMeshes[mesh_idx];
+		for (size_t j = 0; j < ai_mesh->mNumBones; j++) {
+			String bone_name = _ai_string_to_string(ai_mesh->mBones[j]->mName);
+			if (p_skeleton->find_bone(bone_name) != -1) {
+				continue;
+			}
+			p_mesh_bones.insert(bone_name, true);
+			p_skeleton->add_bone(bone_name);
+			int32_t idx = p_skeleton->find_bone(bone_name);
+			Transform xform = _ai_matrix_transform(ai_mesh->mBones[j]->mOffsetMatrix);
+			String ext = p_path.get_file().get_extension().to_lower();
+			if (ext == "fbx") {
+				Transform mesh_xform = _get_global_ai_node_transform(p_scene, p_node);
+				mesh_xform.basis = Basis();
+				xform = mesh_xform.affine_inverse() * xform;
+			}
+			p_skeleton->set_bone_rest(idx, xform.affine_inverse());
+		}
+	}
+}
+
+void EditorSceneImporterAssimp::_generate_node_bone_parents(const aiScene *p_scene, const aiNode *p_node, Map<String, bool> &p_mesh_bones, Skeleton *p_skeleton, const MeshInstance *p_mi) {
+	for (size_t i = 0; i < p_node->mNumMeshes; i++) {
+		const unsigned int mesh_idx = p_node->mMeshes[i];
+		const aiMesh *ai_mesh = p_scene->mMeshes[mesh_idx];
+
+		for (size_t j = 0; j < ai_mesh->mNumBones; j++) {
+			aiNode *bone_node = p_scene->mRootNode->FindNode(ai_mesh->mBones[j]->mName);
+			ERR_CONTINUE(bone_node == NULL);
+			aiNode *bone_node_parent = bone_node->mParent;
+			while (bone_node_parent != NULL) {
+				String bone_parent_name = _ai_string_to_string(bone_node_parent->mName);
+				bone_parent_name = bone_parent_name.split(ASSIMP_FBX_KEY)[0];
+				if (bone_parent_name == p_mi->get_name()) {
+					break;
+				}
+				if (p_mi->get_parent() == NULL) {
+					break;
+				}
+				if (bone_parent_name == p_mi->get_parent()->get_name()) {
+					break;
+				}
+				if (bone_node_parent->mParent == p_scene->mRootNode) {
+					break;
+				}
+				if (p_skeleton->find_bone(bone_parent_name) == -1) {
+					p_mesh_bones.insert(bone_parent_name, true);
+				}
+				bone_node_parent = bone_node_parent->mParent;
+			}
+		}
+	}
+}
+void EditorSceneImporterAssimp::_calculate_skeleton_root(Skeleton *s, const aiScene *p_scene, aiNode *&p_ai_skeleton_root, Map<String, bool> &mesh_bones, const aiNode *p_node) {
+	if (s->get_bone_count() > 0) {
+		String bone_name = s->get_bone_name(0);
+		p_ai_skeleton_root = _ai_find_node(p_scene->mRootNode, bone_name);
+		for (size_t i = 0; i < p_scene->mRootNode->mNumChildren; i++) {
+			if (p_ai_skeleton_root == NULL) {
+				break;
+			}
+			aiNode *found = p_scene->mRootNode->mChildren[i]->FindNode(p_ai_skeleton_root->mName);
+			if (found) {
+				p_ai_skeleton_root = p_scene->mRootNode->mChildren[i];
+				break;
+			}
+		}
+	}
+
+	if (p_ai_skeleton_root == NULL) {
+		p_ai_skeleton_root = p_scene->mRootNode->FindNode(p_node->mName);
+		while (p_ai_skeleton_root && p_ai_skeleton_root->mParent && p_ai_skeleton_root->mParent != p_scene->mRootNode) {
+			p_ai_skeleton_root = p_scene->mRootNode->FindNode(p_ai_skeleton_root->mName)->mParent;
+		}
+	}
+	p_ai_skeleton_root = _ai_find_node(p_scene->mRootNode, _ai_string_to_string(p_ai_skeleton_root->mName).split(ASSIMP_FBX_KEY)[0]);
+}
+
+void EditorSceneImporterAssimp::_fill_skeleton(const aiScene *p_scene, const aiNode *p_node, Spatial *p_current, Node *p_owner, Skeleton *p_skeleton, const Map<String, bool> p_mesh_bones, const Map<String, Transform> &p_bone_rests, Set<String> p_tracks, const String p_path, Set<String> &r_removed_bones) {
+	String node_name = _ai_string_to_string(p_node->mName);
+	if (p_mesh_bones.find(node_name) != NULL && p_skeleton->find_bone(node_name) == -1) {
+		r_removed_bones.insert(node_name);
+		p_skeleton->add_bone(node_name);
+		int32_t idx = p_skeleton->find_bone(node_name);
+		Transform xform = _get_global_ai_node_transform(p_scene, p_node);
+		xform = _format_rot_xform(p_path, p_scene) * xform;
+		p_skeleton->set_bone_rest(idx, xform);
+	}
+
+	for (size_t i = 0; i < p_node->mNumChildren; i++) {
+		_fill_skeleton(p_scene, p_node->mChildren[i], p_current, p_owner, p_skeleton, p_mesh_bones, p_bone_rests, p_tracks, p_path, r_removed_bones);
+	}
+}
+
+void EditorSceneImporterAssimp::_keep_node(const String &p_path, Node *p_current, Node *p_owner, Set<Node *> &r_keep_nodes) {
+	if (p_current == p_owner) {
+		r_keep_nodes.insert(p_current);
+	}
+
+	if (p_current->get_class() != Spatial().get_class()) {
+		r_keep_nodes.insert(p_current);
+	}
+
+	for (int i = 0; i < p_current->get_child_count(); i++) {
+		_keep_node(p_path, p_current->get_child(i), p_owner, r_keep_nodes);
+	}
+}
+
+void EditorSceneImporterAssimp::_filter_node(const String &p_path, Node *p_current, Node *p_owner, const Set<Node *> p_keep_nodes, Set<String> &r_removed_nodes) {
+	if (p_keep_nodes.has(p_current) == false) {
+		r_removed_nodes.insert(p_current->get_name());
+		p_current->queue_delete();
+	}
+	for (int i = 0; i < p_current->get_child_count(); i++) {
+		_filter_node(p_path, p_current->get_child(i), p_owner, p_keep_nodes, r_removed_nodes);
+	}
+}
+
+void EditorSceneImporterAssimp::_generate_node(const String &p_path, const aiScene *p_scene, const aiNode *p_node, Node *p_parent, Node *p_owner, Set<String> &r_bone_name, Set<String> p_light_names, Set<String> p_camera_names, Map<Skeleton *, MeshInstance *> &r_skeletons, const Map<String, Transform> &p_bone_rests, Vector<MeshInstance *> &r_mesh_instances, int32_t &r_mesh_count, Skeleton *p_skeleton, const int32_t p_max_bone_weights, Set<String> &r_removed_bones, Map<String, Map<uint32_t, String> > &r_name_morph_mesh_names) {
+	Spatial *child_node = NULL;
+	if (p_node == NULL) {
+		return;
+	}
+	String node_name = _ai_string_to_string(p_node->mName);
+	real_t factor = 1.0f;
+	String ext = p_path.get_file().get_extension().to_lower();
+	if (ext == "fbx") {
+		if (p_scene->mMetaData != NULL) {
+			p_scene->mMetaData->Get("UnitScaleFactor", factor);
+			factor = factor * 0.01f;
+		}
+	}
+	{
+		Transform xform = _ai_matrix_transform(p_node->mTransformation);
+
+		child_node = memnew(Spatial);
+		p_parent->add_child(child_node);
+		child_node->set_owner(p_owner);
+		if (p_node == p_scene->mRootNode) {
+			if ((ext == "fbx") && p_node == p_scene->mRootNode) {
+				xform = xform.scaled(Vector3(factor, factor, factor));
+				Transform format_xform = _format_rot_xform(p_path, p_scene);
+				xform = format_xform * xform;
+			}
+		}
+		child_node->set_transform(xform * child_node->get_transform());
+	}
+
+	if (p_node->mNumMeshes > 0) {
+		MeshInstance *mesh_node = memnew(MeshInstance);
+		p_parent->add_child(mesh_node);
+		mesh_node->set_owner(p_owner);
+		mesh_node->set_transform(child_node->get_transform());
+		{
+			Map<String, bool> mesh_bones;
+			p_skeleton->set_use_bones_in_world_transform(true);
+			_generate_node_bone(p_scene, p_node, mesh_bones, p_skeleton, p_path, p_max_bone_weights);
+			Set<String> tracks;
+			_get_track_set(p_scene, tracks);
+			aiNode *skeleton_root = NULL;
+			_calculate_skeleton_root(p_skeleton, p_scene, skeleton_root, mesh_bones, p_node);
+			_generate_node_bone_parents(p_scene, p_node, mesh_bones, p_skeleton, mesh_node);
+			if (p_skeleton->get_bone_count() > 0) {
+				_fill_skeleton(p_scene, skeleton_root, mesh_node, p_owner, p_skeleton, mesh_bones, p_bone_rests, tracks, p_path, r_removed_bones);
+				_set_bone_parent(p_skeleton, p_owner, p_scene->mRootNode);
+			}
+			MeshInstance *mi = Object::cast_to<MeshInstance>(mesh_node);
+			if (mi) {
+				r_mesh_instances.push_back(mi);
+			}
+			_add_mesh_to_mesh_instance(p_node, p_scene, p_skeleton, p_path, mesh_node, p_owner, r_bone_name, r_mesh_count, p_max_bone_weights, r_name_morph_mesh_names);
+		}
+		if (mesh_node != NULL && p_skeleton->get_bone_count() > 0 && p_owner->find_node(p_skeleton->get_name()) == NULL) {
+			Node *node = p_owner->find_node(_ai_string_to_string(p_scene->mRootNode->mName));
+			ERR_FAIL_COND(node == NULL);
+			node->add_child(p_skeleton);
+			p_skeleton->set_owner(p_owner);
+			if (ext == "fbx") {
+				Transform mesh_xform = _get_global_ai_node_transform(p_scene, p_node);
+				mesh_xform.origin = Vector3();
+				p_skeleton->set_transform(mesh_xform);
+			}
+			r_skeletons.insert(p_skeleton, mesh_node);
+		}
+		for (size_t i = 0; i < p_node->mNumMeshes; i++) {
+			if (p_scene->mMeshes[p_node->mMeshes[i]]->HasBones()) {
+				mesh_node->set_name(node_name);
+				// Meshes without skeletons must not have skeletons
+				mesh_node->set_skeleton_path(String(mesh_node->get_path_to(p_owner)) + "/" + p_owner->get_path_to(p_skeleton));
+			}
+		}
+		child_node->get_parent()->remove_child(child_node);
+		memdelete(child_node);
+		child_node = mesh_node;
+	} else if (p_light_names.has(node_name)) {
+		Spatial *light_node = Object::cast_to<Light>(p_owner->find_node(node_name));
+		ERR_FAIL_COND(light_node == NULL);
+		if (!p_parent->has_node(light_node->get_path())) {
+			p_parent->add_child(light_node);
+		}
+		light_node->set_owner(p_owner);
+		light_node->set_transform(child_node->get_transform().scaled(Vector3(factor, factor, factor)) *
+								  light_node->get_transform().scaled(Vector3(factor, factor, factor)));
+		child_node->get_parent()->remove_child(child_node);
+		memdelete(child_node);
+		child_node = light_node;
+	} else if (p_camera_names.has(node_name)) {
+		Spatial *camera_node = Object::cast_to<Camera>(p_owner->find_node(node_name));
+		ERR_FAIL_COND(camera_node == NULL);
+		if (!p_parent->has_node(camera_node->get_path())) {
+			p_parent->add_child(camera_node);
+		}
+		camera_node->set_owner(p_owner);
+		camera_node->set_transform(child_node->get_transform().scaled(Vector3(factor, factor, factor)) *
+								   camera_node->get_transform().scaled(Vector3(factor, factor, factor)));
+		camera_node->scale(Vector3(factor, factor, factor));
+		child_node->get_parent()->remove_child(child_node);
+		memdelete(child_node);
+		child_node = camera_node;
+	}
+	child_node->set_name(node_name);
+	for (size_t i = 0; i < p_node->mNumChildren; i++) {
+		_generate_node(p_path, p_scene, p_node->mChildren[i], child_node, p_owner, r_bone_name, p_light_names, p_camera_names, r_skeletons, p_bone_rests, r_mesh_instances, r_mesh_count, p_skeleton, p_max_bone_weights, r_removed_bones, r_name_morph_mesh_names);
+	}
+}
+
+aiNode *EditorSceneImporterAssimp::_ai_find_node(aiNode *ai_child_node, const String bone_name) {
+
+	if (_ai_string_to_string(ai_child_node->mName) == bone_name) {
+		return ai_child_node;
+	}
+	aiNode *target = NULL;
+	for (size_t i = 0; i < ai_child_node->mNumChildren; i++) {
+
+		target = _ai_find_node(ai_child_node->mChildren[i], bone_name);
+		if (target != NULL) {
+			return target;
+		}
+	}
+	return target;
+}
+
+Transform EditorSceneImporterAssimp::_format_rot_xform(const String p_path, const aiScene *p_scene) {
+	String ext = p_path.get_file().get_extension().to_lower();
+
+	Transform xform;
+	int32_t up_axis = 0;
+	Vector3 up_axis_vec3 = Vector3();
+
+	int32_t front_axis = 0;
+	Vector3 front_axis_vec3 = Vector3();
+
+	if (p_scene->mMetaData != NULL) {
+		p_scene->mMetaData->Get("UpAxis", up_axis);
+		if (up_axis == AssetImportFbx::UP_VECTOR_AXIS_X) {
+			if (p_scene->mMetaData != NULL) {
+				p_scene->mMetaData->Get("FrontAxis", front_axis);
+				if (front_axis == AssetImportFbx::FRONT_PARITY_EVEN) {
+					// y
+				} else if (front_axis == AssetImportFbx::FRONT_PARITY_ODD) {
+					// z
+					//front_axis_vec3 = Vector3(0.0f, Math::deg2rad(-180.f), 0.0f);
+				}
+			}
+		} else if (up_axis == AssetImportFbx::UP_VECTOR_AXIS_Y) {
+			up_axis_vec3 = Vector3(Math::deg2rad(-90.f), 0.0f, 0.0f);
+			if (p_scene->mMetaData != NULL) {
+				p_scene->mMetaData->Get("FrontAxis", front_axis);
+				if (front_axis == AssetImportFbx::FRONT_PARITY_EVEN) {
+					// x
+				} else if (front_axis == AssetImportFbx::FRONT_PARITY_ODD) {
+					// z
+				}
+			}
+		} else if (up_axis == AssetImportFbx::UP_VECTOR_AXIS_Z) {
+			up_axis_vec3 = Vector3(0.0f, Math ::deg2rad(90.f), 0.0f);
+			if (p_scene->mMetaData != NULL) {
+				p_scene->mMetaData->Get("FrontAxis", front_axis);
+				if (front_axis == AssetImportFbx::FRONT_PARITY_EVEN) {
+					// x
+				} else if (front_axis == AssetImportFbx::FRONT_PARITY_ODD) {
+					// y
+				}
+			}
+		}
+	}
+
+	int32_t up_axis_sign = 0;
+	if (p_scene->mMetaData != NULL) {
+		p_scene->mMetaData->Get("UpAxisSign", up_axis_sign);
+		up_axis_vec3 = up_axis_vec3 * up_axis_sign;
+	}
+
+	int32_t front_axis_sign = 0;
+	if (p_scene->mMetaData != NULL) {
+		p_scene->mMetaData->Get("FrontAxisSign", front_axis_sign);
+		front_axis_vec3 = front_axis_vec3 * front_axis_sign;
+	}
+
+	int32_t coord_axis = 0;
+	Vector3 coord_axis_vec3 = Vector3();
+	if (p_scene->mMetaData != NULL) {
+		p_scene->mMetaData->Get("CoordAxis", coord_axis);
+		if (coord_axis == AssetImportFbx::COORD_LEFT) {
+		} else if (coord_axis == AssetImportFbx::COORD_RIGHT) {
+		}
+	}
+
+	int32_t coord_axis_sign = 0;
+	if (p_scene->mMetaData != NULL) {
+		p_scene->mMetaData->Get("CoordAxisSign", coord_axis_sign);
+	}
+
+	Quat up_quat;
+	up_quat.set_euler(up_axis_vec3);
+
+	Quat coord_quat;
+	coord_quat.set_euler(coord_axis_vec3);
+
+	Quat front_quat;
+	front_quat.set_euler(front_axis_vec3);
+
+	xform.basis.set_quat(up_quat * coord_quat * front_quat);
+	return xform;
+}
+
+void EditorSceneImporterAssimp::_get_track_set(const aiScene *p_scene, Set<String> &tracks) {
+	for (size_t i = 0; i < p_scene->mNumAnimations; i++) {
+		for (size_t j = 0; j < p_scene->mAnimations[i]->mNumChannels; j++) {
+			aiString ai_name = p_scene->mAnimations[i]->mChannels[j]->mNodeName;
+			String name = _ai_string_to_string(ai_name);
+			tracks.insert(name);
+		}
+	}
+}
+
+void EditorSceneImporterAssimp::_add_mesh_to_mesh_instance(const aiNode *p_node, const aiScene *p_scene, Skeleton *s, const String &p_path, MeshInstance *p_mesh_instance, Node *p_owner, Set<String> &r_bone_name, int32_t &r_mesh_count, int32_t p_max_bone_weights, Map<String, Map<uint32_t, String> > &r_name_morph_mesh_names) {
+	Ref<ArrayMesh> mesh;
+	mesh.instance();
+	bool has_uvs = false;
+	for (size_t i = 0; i < p_node->mNumMeshes; i++) {
+		const unsigned int mesh_idx = p_node->mMeshes[i];
+		const aiMesh *ai_mesh = p_scene->mMeshes[mesh_idx];
+
+		Map<uint32_t, Vector<float> > vertex_weight;
+		Map<uint32_t, Vector<String> > vertex_bone_name;
+		for (size_t b = 0; b < ai_mesh->mNumBones; b++) {
+			aiBone *bone = ai_mesh->mBones[b];
+			for (size_t w = 0; w < bone->mNumWeights; w++) {
+				String name = _ai_string_to_string(bone->mName);
+				aiVertexWeight ai_weights = bone->mWeights[w];
+				uint32_t vertexId = ai_weights.mVertexId;
+				Map<uint32_t, Vector<float> >::Element *result = vertex_weight.find(vertexId);
+				Vector<float> weights;
+				if (result != NULL) {
+					weights.append_array(result->value());
+				}
+				weights.push_back(ai_weights.mWeight);
+				if (vertex_weight.has(vertexId)) {
+					vertex_weight[vertexId] = weights;
+				} else {
+					vertex_weight.insert(vertexId, weights);
+				}
+				Map<uint32_t, Vector<String> >::Element *bone_result = vertex_bone_name.find(vertexId);
+				Vector<String> bone_names;
+				if (bone_result != NULL) {
+					bone_names.append_array(bone_result->value());
+				}
+				bone_names.push_back(name);
+				if (vertex_bone_name.has(vertexId)) {
+					vertex_bone_name[vertexId] = bone_names;
+				} else {
+					vertex_bone_name.insert(vertexId, bone_names);
+				}
+			}
+		}
+
+		Ref<SurfaceTool> st;
+		st.instance();
+		st->begin(Mesh::PRIMITIVE_TRIANGLES);
+
+		for (size_t j = 0; j < ai_mesh->mNumVertices; j++) {
+			if (ai_mesh->HasTextureCoords(0)) {
+				has_uvs = true;
+				st->add_uv(Vector2(ai_mesh->mTextureCoords[0][j].x, 1.0f - ai_mesh->mTextureCoords[0][j].y));
+			}
+			if (ai_mesh->HasTextureCoords(1)) {
+				has_uvs = true;
+				st->add_uv2(Vector2(ai_mesh->mTextureCoords[1][j].x, 1.0f - ai_mesh->mTextureCoords[1][j].y));
+			}
+			if (ai_mesh->HasVertexColors(0)) {
+				Color color = Color(ai_mesh->mColors[0]->r, ai_mesh->mColors[0]->g, ai_mesh->mColors[0]->b, ai_mesh->mColors[0]->a);
+				st->add_color(color);
+			}
+			if (ai_mesh->mNormals != NULL) {
+				const aiVector3D normals = ai_mesh->mNormals[j];
+				const Vector3 godot_normal = Vector3(normals.x, normals.y, normals.z);
+				st->add_normal(godot_normal);
+				if (ai_mesh->HasTangentsAndBitangents()) {
+					const aiVector3D tangents = ai_mesh->mTangents[j];
+					const Vector3 godot_tangent = Vector3(tangents.x, tangents.y, tangents.z);
+					const aiVector3D bitangent = ai_mesh->mBitangents[j];
+					const Vector3 godot_bitangent = Vector3(bitangent.x, bitangent.y, bitangent.z);
+					float d = godot_normal.cross(godot_tangent).dot(godot_bitangent) > 0.0f ? 1.0f : -1.0f;
+					st->add_tangent(Plane(tangents.x, tangents.y, tangents.z, d));
+				}
+			}
+
+			if (s != NULL && s->get_bone_count() > 0) {
+				Map<uint32_t, Vector<String> >::Element *I = vertex_bone_name.find(j);
+				Vector<int32_t> bones;
+				if (I != NULL) {
+					Vector<String> bone_names;
+					bone_names.append_array(I->value());
+					for (int32_t f = 0; f < bone_names.size(); f++) {
+						int32_t bone = s->find_bone(bone_names[f]);
+						ERR_EXPLAIN("Asset Importer: Mesh can't find bone " + bone_names[f]);
+						ERR_FAIL_COND(bone == -1);
+						bones.push_back(bone);
+					}
+					if (s->get_bone_count()) {
+						int32_t add = CLAMP(p_max_bone_weights - bones.size(), 0, p_max_bone_weights);
+						for (int32_t f = 0; f < add; f++) {
+							bones.push_back(0);
+						}
+					}
+					st->add_bones(bones);
+					Map<uint32_t, Vector<float> >::Element *E = vertex_weight.find(j);
+					Vector<float> weights;
+					if (E != NULL) {
+						weights = E->value();
+						if (weights.size() != p_max_bone_weights) {
+							int32_t add = CLAMP(p_max_bone_weights - weights.size(), 0, p_max_bone_weights);
+							for (int32_t f = 0; f < add; f++) {
+								weights.push_back(0.0f);
+							}
+						}
+					}
+					ERR_CONTINUE(weights.size() == 0);
+					st->add_weights(weights);
+				}
+			}
+			const aiVector3D pos = ai_mesh->mVertices[j];
+			Vector3 godot_pos = Vector3(pos.x, pos.y, pos.z);
+			st->add_vertex(godot_pos);
+		}
+		for (size_t j = 0; j < ai_mesh->mNumFaces; j++) {
+			const aiFace face = ai_mesh->mFaces[j];
+			ERR_FAIL_COND(face.mNumIndices != 3);
+			Vector<size_t> order;
+			order.push_back(2);
+			order.push_back(1);
+			order.push_back(0);
+			for (int32_t k = 0; k < order.size(); k++) {
+				st->add_index(face.mIndices[order[k]]);
+			}
+		}
+		if (ai_mesh->HasTangentsAndBitangents() == false && has_uvs) {
+			st->generate_tangents();
+		}
+		aiMaterial *ai_material = p_scene->mMaterials[ai_mesh->mMaterialIndex];
+		Ref<SpatialMaterial> mat;
+		mat.instance();
+
+		int32_t mat_two_sided = 0;
+		if (AI_SUCCESS == ai_material->Get(AI_MATKEY_TWOSIDED, mat_two_sided)) {
+			if (mat_two_sided > 0) {
+				mat->set_cull_mode(SpatialMaterial::CULL_DISABLED);
+			}
+		}
+
+		const String mesh_name = _ai_string_to_string(ai_mesh->mName);
+		aiString mat_name;
+		if (AI_SUCCESS == ai_material->Get(AI_MATKEY_NAME, mat_name)) {
+			mat->set_name(_ai_string_to_string(mat_name));
+		}
+
+		aiTextureType tex_normal = aiTextureType_NORMALS;
+		{
+			aiString ai_filename = aiString();
+			String filename = "";
+			aiTextureMapMode map_mode[2];
+
+			if (AI_SUCCESS == ai_material->GetTexture(tex_normal, 0, &ai_filename, NULL, NULL, NULL, NULL, map_mode)) {
+				filename = _ai_raw_string_to_string(ai_filename);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+
+					if (texture != NULL) {
+						if (map_mode != NULL) {
+							_set_texture_mapping_mode(map_mode, texture);
+						}
+						mat->set_feature(SpatialMaterial::Feature::FEATURE_NORMAL_MAPPING, true);
+						mat->set_texture(SpatialMaterial::TEXTURE_NORMAL, texture);
+					}
+				}
+			}
+		}
+
+		{
+			aiString ai_filename = aiString();
+			String filename = "";
+
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_NORMAL_TEXTURE, ai_filename)) {
+				filename = _ai_raw_string_to_string(ai_filename);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						mat->set_feature(SpatialMaterial::Feature::FEATURE_NORMAL_MAPPING, true);
+						mat->set_texture(SpatialMaterial::TEXTURE_NORMAL, texture);
+					}
+				}
+			}
+		}
+
+		aiTextureType tex_emissive = aiTextureType_EMISSIVE;
+
+		if (ai_material->GetTextureCount(tex_emissive) > 0) {
+
+			aiString ai_filename = aiString();
+			String filename = "";
+			aiTextureMapMode map_mode[2];
+
+			if (AI_SUCCESS == ai_material->GetTexture(tex_emissive, 0, &ai_filename, NULL, NULL, NULL, NULL, map_mode)) {
+				filename = _ai_raw_string_to_string(ai_filename);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						_set_texture_mapping_mode(map_mode, texture);
+						mat->set_feature(SpatialMaterial::FEATURE_EMISSION, true);
+						mat->set_texture(SpatialMaterial::TEXTURE_EMISSION, texture);
+					}
+				}
+			}
+		}
+
+		aiTextureType tex_albedo = aiTextureType_DIFFUSE;
+		if (ai_material->GetTextureCount(tex_albedo) > 0) {
+
+			aiString ai_filename = aiString();
+			String filename = "";
+			aiTextureMapMode map_mode[2];
+			if (AI_SUCCESS == ai_material->GetTexture(tex_albedo, 0, &ai_filename, NULL, NULL, NULL, NULL, map_mode)) {
+				filename = _ai_raw_string_to_string(ai_filename);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						if (texture->get_data()->detect_alpha() != Image::ALPHA_NONE) {
+							_set_texture_mapping_mode(map_mode, texture);
+							mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+							mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+						}
+						mat->set_texture(SpatialMaterial::TEXTURE_ALBEDO, texture);
+					}
+				}
+			}
+		} else {
+			aiColor4D clr_diffuse;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_COLOR_DIFFUSE, clr_diffuse)) {
+				if (Math::is_equal_approx(clr_diffuse.a, 1.0f) == false) {
+					mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+					mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+				}
+				mat->set_albedo(Color(clr_diffuse.r, clr_diffuse.g, clr_diffuse.b, clr_diffuse.a));
+			}
+		}
+
+		aiString tex_gltf_base_color_path = aiString();
+		aiTextureMapMode map_mode[2];
+		if (AI_SUCCESS == ai_material->GetTexture(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_BASE_COLOR_TEXTURE, &tex_gltf_base_color_path, NULL, NULL, NULL, NULL, map_mode)) {
+			String filename = _ai_raw_string_to_string(tex_gltf_base_color_path);
+			String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+			bool found = false;
+			_find_texture_path(p_path, path, found);
+			if (found) {
+				Ref<Texture> texture = _load_texture(p_scene, path);
+				_find_texture_path(p_path, path, found);
+				if (texture != NULL) {
+					if (texture->get_data()->detect_alpha() == Image::ALPHA_BLEND) {
+						_set_texture_mapping_mode(map_mode, texture);
+						mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+						mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+					}
+					mat->set_texture(SpatialMaterial::TEXTURE_ALBEDO, texture);
+				}
+			}
+		} else {
+			aiColor4D pbr_base_color;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_BASE_COLOR_FACTOR, pbr_base_color)) {
+				if (Math::is_equal_approx(pbr_base_color.a, 1.0f) == false) {
+					mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+					mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+				}
+				mat->set_albedo(Color(pbr_base_color.r, pbr_base_color.g, pbr_base_color.b, pbr_base_color.a));
+			}
+		}
+		{
+			aiString tex_fbx_pbs_base_color_path = aiString();
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_BASE_COLOR_TEXTURE, tex_fbx_pbs_base_color_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_base_color_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					_find_texture_path(p_path, path, found);
+					if (texture != NULL) {
+						if (texture->get_data()->detect_alpha() == Image::ALPHA_BLEND) {
+							mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+							mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+						}
+						mat->set_texture(SpatialMaterial::TEXTURE_ALBEDO, texture);
+					}
+				}
+			} else {
+				aiColor4D pbr_base_color;
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_BASE_COLOR_FACTOR, pbr_base_color)) {
+					mat->set_albedo(Color(pbr_base_color.r, pbr_base_color.g, pbr_base_color.b, pbr_base_color.a));
+				}
+			}
+
+			aiUVTransform pbr_base_color_uv_xform;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_BASE_COLOR_UV_XFORM, pbr_base_color_uv_xform)) {
+				mat->set_uv1_offset(Vector3(pbr_base_color_uv_xform.mTranslation.x, pbr_base_color_uv_xform.mTranslation.y, 0.0f));
+				mat->set_uv1_scale(Vector3(pbr_base_color_uv_xform.mScaling.x, pbr_base_color_uv_xform.mScaling.y, 1.0f));
+			}
+		}
+
+		{
+			aiString tex_fbx_pbs_normal_path = aiString();
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_NORMAL_TEXTURE, tex_fbx_pbs_normal_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_normal_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					_find_texture_path(p_path, path, found);
+					if (texture != NULL) {
+						mat->set_feature(SpatialMaterial::Feature::FEATURE_NORMAL_MAPPING, true);
+						mat->set_texture(SpatialMaterial::TEXTURE_NORMAL, texture);
+					}
+				}
+			}
+		}
+
+		aiString cull_mode;
+		if (p_node->mMetaData) {
+			p_node->mMetaData->Get("Culling", cull_mode);
+		}
+		if (cull_mode.length != 0 && cull_mode == aiString("CullingOff")) {
+			mat->set_cull_mode(SpatialMaterial::CULL_DISABLED);
+		}
+
+		{
+			aiString tex_fbx_stingray_normal_path = aiString();
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_NORMAL_TEXTURE, tex_fbx_stingray_normal_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_stingray_normal_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					_find_texture_path(p_path, path, found);
+					if (texture != NULL) {
+						mat->set_feature(SpatialMaterial::Feature::FEATURE_NORMAL_MAPPING, true);
+						mat->set_texture(SpatialMaterial::TEXTURE_NORMAL, texture);
+					}
+				}
+			}
+		}
+
+		{
+			aiString tex_fbx_pbs_base_color_path = aiString();
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_TEXTURE, tex_fbx_pbs_base_color_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_base_color_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					_find_texture_path(p_path, path, found);
+					if (texture != NULL) {
+						if (texture->get_data()->detect_alpha() == Image::ALPHA_BLEND) {
+							mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+							mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+						}
+						mat->set_texture(SpatialMaterial::TEXTURE_ALBEDO, texture);
+					}
+				}
+			} else {
+				aiColor4D pbr_base_color;
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_BASE_COLOR_FACTOR, pbr_base_color)) {
+					mat->set_albedo(Color(pbr_base_color.r, pbr_base_color.g, pbr_base_color.b, pbr_base_color.a));
+				}
+			}
+
+			aiUVTransform pbr_base_color_uv_xform;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_UV_XFORM, pbr_base_color_uv_xform)) {
+				mat->set_uv1_offset(Vector3(pbr_base_color_uv_xform.mTranslation.x, pbr_base_color_uv_xform.mTranslation.y, 0.0f));
+				mat->set_uv1_scale(Vector3(pbr_base_color_uv_xform.mScaling.x, pbr_base_color_uv_xform.mScaling.y, 1.0f));
+			}
+		}
+
+		{
+			aiString tex_fbx_pbs_emissive_path = aiString();
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_TEXTURE, tex_fbx_pbs_emissive_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_emissive_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					_find_texture_path(p_path, path, found);
+					if (texture != NULL) {
+						if (texture->get_data()->detect_alpha() == Image::ALPHA_BLEND) {
+							mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
+							mat->set_depth_draw_mode(SpatialMaterial::DepthDrawMode::DEPTH_DRAW_ALPHA_OPAQUE_PREPASS);
+						}
+						mat->set_texture(SpatialMaterial::TEXTURE_ALBEDO, texture);
+					}
+				}
+			} else {
+				aiColor4D pbr_emmissive_color;
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_FACTOR, pbr_emmissive_color)) {
+					mat->set_emission(Color(pbr_emmissive_color.r, pbr_emmissive_color.g, pbr_emmissive_color.b, pbr_emmissive_color.a));
+				}
+			}
+
+			real_t pbr_emission_intensity;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_INTENSITY_FACTOR, pbr_emission_intensity)) {
+				mat->set_emission_energy(pbr_emission_intensity);
+			}
+		}
+
+		aiString tex_gltf_pbr_metallicroughness_path;
+		if (AI_SUCCESS == ai_material->GetTexture(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE, &tex_gltf_pbr_metallicroughness_path)) {
+			String filename = _ai_raw_string_to_string(tex_gltf_pbr_metallicroughness_path);
+			String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+			bool found = false;
+			_find_texture_path(p_path, path, found);
+			if (found) {
+				Ref<Texture> texture = _load_texture(p_scene, path);
+				if (texture != NULL) {
+					mat->set_texture(SpatialMaterial::TEXTURE_METALLIC, texture);
+					mat->set_metallic_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_BLUE);
+					mat->set_texture(SpatialMaterial::TEXTURE_ROUGHNESS, texture);
+					mat->set_roughness_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_GREEN);
+				}
+			}
+		} else {
+			float pbr_roughness = 0.0f;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_ROUGHNESS_FACTOR, pbr_roughness)) {
+				mat->set_roughness(pbr_roughness);
+			}
+			float pbr_metallic = 0.0f;
+
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLIC_FACTOR, pbr_metallic)) {
+				mat->set_metallic(pbr_metallic);
+			}
+		}
+		{
+			aiString tex_fbx_pbs_metallic_path;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_TEXTURE, tex_fbx_pbs_metallic_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_metallic_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						mat->set_texture(SpatialMaterial::TEXTURE_METALLIC, texture);
+						mat->set_metallic_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_GRAYSCALE);
+					}
+				}
+			} else {
+				float pbr_metallic = 0.0f;
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_FACTOR, pbr_metallic)) {
+					mat->set_metallic(pbr_metallic);
+				}
+			}
+
+			aiString tex_fbx_pbs_rough_path;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_TEXTURE, tex_fbx_pbs_rough_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_rough_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						mat->set_texture(SpatialMaterial::TEXTURE_ROUGHNESS, texture);
+						mat->set_roughness_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_GRAYSCALE);
+					}
+				}
+			} else {
+				float pbr_roughness = 0.04f;
+
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_FACTOR, pbr_roughness)) {
+					mat->set_roughness(pbr_roughness);
+				}
+			}
+		}
+
+		{
+			aiString tex_fbx_pbs_metallic_path;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_METALNESS_TEXTURE, tex_fbx_pbs_metallic_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_metallic_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						mat->set_texture(SpatialMaterial::TEXTURE_METALLIC, texture);
+						mat->set_metallic_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_GRAYSCALE);
+					}
+				}
+			} else {
+				float pbr_metallic = 0.0f;
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_METALNESS_FACTOR, pbr_metallic)) {
+					mat->set_metallic(pbr_metallic);
+				}
+			}
+
+			aiString tex_fbx_pbs_rough_path;
+			if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_TEXTURE, tex_fbx_pbs_rough_path)) {
+				String filename = _ai_raw_string_to_string(tex_fbx_pbs_rough_path);
+				String path = p_path.get_base_dir() + "/" + filename.replace("\\", "/");
+				bool found = false;
+				_find_texture_path(p_path, path, found);
+				if (found) {
+					Ref<Texture> texture = _load_texture(p_scene, path);
+					if (texture != NULL) {
+						mat->set_texture(SpatialMaterial::TEXTURE_ROUGHNESS, texture);
+						mat->set_roughness_texture_channel(SpatialMaterial::TEXTURE_CHANNEL_GRAYSCALE);
+					}
+				}
+			} else {
+				float pbr_roughness = 0.04f;
+
+				if (AI_SUCCESS == ai_material->Get(AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_FACTOR, pbr_roughness)) {
+					mat->set_roughness(pbr_roughness);
+				}
+			}
+		}
+
+		Array array_mesh = st->commit_to_arrays();
+		Array morphs;
+		morphs.resize(ai_mesh->mNumAnimMeshes);
+		Mesh::PrimitiveType primitive = Mesh::PRIMITIVE_TRIANGLES;
+		Map<uint32_t, String> morph_mesh_idx_names;
+		for (size_t j = 0; j < ai_mesh->mNumAnimMeshes; j++) {
+
+			String ai_anim_mesh_name = _ai_string_to_string(ai_mesh->mAnimMeshes[j]->mName);
+			mesh->set_blend_shape_mode(Mesh::BLEND_SHAPE_MODE_NORMALIZED);
+			if (ai_anim_mesh_name.empty()) {
+				ai_anim_mesh_name = String("morph_") + itos(j);
+			}
+			mesh->add_blend_shape(ai_anim_mesh_name);
+			morph_mesh_idx_names.insert(j, ai_anim_mesh_name);
+			Array array_copy;
+			array_copy.resize(VisualServer::ARRAY_MAX);
+
+			for (int l = 0; l < VisualServer::ARRAY_MAX; l++) {
+				array_copy[l] = array_mesh[l].duplicate(true);
+			}
+
+			const size_t num_vertices = ai_mesh->mAnimMeshes[j]->mNumVertices;
+			array_copy[Mesh::ARRAY_INDEX] = Variant();
+			if (ai_mesh->mAnimMeshes[j]->HasPositions()) {
+				PoolVector3Array vertices;
+				vertices.resize(num_vertices);
+				for (size_t l = 0; l < num_vertices; l++) {
+					const aiVector3D ai_pos = ai_mesh->mAnimMeshes[j]->mVertices[l];
+					Vector3 position = Vector3(ai_pos.x, ai_pos.y, ai_pos.z);
+					vertices.write()[l] = position;
+				}
+				PoolVector3Array new_vertices = array_copy[VisualServer::ARRAY_VERTEX].duplicate(true);
+
+				for (int32_t l = 0; l < vertices.size(); l++) {
+					PoolVector3Array::Write w = new_vertices.write();
+					w[l] = vertices[l];
+				}
+				ERR_CONTINUE(vertices.size() != new_vertices.size());
+				array_copy[VisualServer::ARRAY_VERTEX] = new_vertices;
+			}
+
+			int32_t color_set = 0;
+			if (ai_mesh->mAnimMeshes[j]->HasVertexColors(color_set)) {
+				PoolColorArray colors;
+				colors.resize(num_vertices);
+				for (size_t l = 0; l < num_vertices; l++) {
+					const aiColor4D ai_color = ai_mesh->mAnimMeshes[j]->mColors[color_set][l];
+					Color color = Color(ai_color.r, ai_color.g, ai_color.b, ai_color.a);
+					colors.write()[l] = color;
+				}
+				PoolColorArray new_colors = array_copy[VisualServer::ARRAY_COLOR].duplicate(true);
+
+				for (int32_t l = 0; l < colors.size(); l++) {
+					PoolColorArray::Write w = new_colors.write();
+					w[l] = colors[l];
+				}
+				array_copy[VisualServer::ARRAY_COLOR] = new_colors;
+			}
+
+			if (ai_mesh->mAnimMeshes[j]->HasNormals()) {
+				PoolVector3Array normals;
+				normals.resize(num_vertices);
+				for (size_t l = 0; l < num_vertices; l++) {
+					const aiVector3D ai_normal = ai_mesh->mAnimMeshes[i]->mNormals[l];
+					Vector3 normal = Vector3(ai_normal.x, ai_normal.y, ai_normal.z);
+					normals.write()[l] = normal;
+				}
+				PoolVector3Array new_normals = array_copy[VisualServer::ARRAY_NORMAL].duplicate(true);
+
+				for (int l = 0; l < normals.size(); l++) {
+					PoolVector3Array::Write w = new_normals.write();
+					w[l] = normals[l];
+				}
+				array_copy[VisualServer::ARRAY_NORMAL] = new_normals;
+			}
+
+			if (ai_mesh->mAnimMeshes[j]->HasTangentsAndBitangents()) {
+				PoolColorArray tangents;
+				tangents.resize(num_vertices);
+				PoolColorArray::Write w = tangents.write();
+				for (size_t l = 0; l < num_vertices; l++) {
+					_calc_tangent_from_mesh(ai_mesh, j, l, l, w);
+				}
+				PoolRealArray new_tangents = array_copy[VisualServer::ARRAY_TANGENT].duplicate(true);
+				ERR_CONTINUE(new_tangents.size() != tangents.size() * 4);
+				for (int32_t l = 0; l < tangents.size(); l++) {
+					new_tangents.write()[l + 0] = tangents[l].r;
+					new_tangents.write()[l + 1] = tangents[l].g;
+					new_tangents.write()[l + 2] = tangents[l].b;
+					new_tangents.write()[l + 3] = tangents[l].a;
+				}
+
+				array_copy[VisualServer::ARRAY_TANGENT] = new_tangents;
+			}
+
+			morphs[j] = array_copy;
+		}
+		r_name_morph_mesh_names.insert(_ai_raw_string_to_string(p_node->mName), morph_mesh_idx_names);
+		mesh->add_surface_from_arrays(primitive, array_mesh, morphs);
+		mesh->surface_set_material(i, mat);
+		mesh->surface_set_name(i, _ai_string_to_string(ai_mesh->mName));
+		r_mesh_count++;
+		print_line(String("Open Asset Import: Created mesh (including instances) ") + _ai_string_to_string(ai_mesh->mName) + " " + itos(r_mesh_count) + " of " + itos(p_scene->mNumMeshes));
+	}
+	p_mesh_instance->set_mesh(mesh);
+}
+
+Ref<Texture> EditorSceneImporterAssimp::_load_texture(const aiScene *p_scene, String p_path) {
+	Vector<String> split_path = p_path.get_basename().split("*");
+	if (split_path.size() == 2) {
+		size_t texture_idx = split_path[1].to_int();
+		ERR_FAIL_COND_V(texture_idx >= p_scene->mNumTextures, Ref<Texture>());
+		aiTexture *tex = p_scene->mTextures[texture_idx];
+		String filename = _ai_raw_string_to_string(tex->mFilename);
+		filename = filename.get_file();
+		print_verbose("Open Asset Import: Loading embedded texture " + filename);
+		if (tex->mHeight == 0) {
+			if (tex->CheckFormat("png")) {
+				Ref<Image> img = Image::_png_mem_loader_func((uint8_t *)tex->pcData, tex->mWidth);
+				ERR_FAIL_COND_V(img.is_null(), Ref<Texture>());
+
+				Ref<ImageTexture> t;
+				t.instance();
+				t->create_from_image(img);
+				t->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
+				return t;
+			} else if (tex->CheckFormat("jpg")) {
+				Ref<Image> img = Image::_jpg_mem_loader_func((uint8_t *)tex->pcData, tex->mWidth);
+				ERR_FAIL_COND_V(img.is_null(), Ref<Texture>());
+				Ref<ImageTexture> t;
+				t.instance();
+				t->create_from_image(img);
+				t->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
+				return t;
+			} else if (tex->CheckFormat("dds")) {
+				ERR_EXPLAIN("Open Asset Import: Embedded dds not implemented");
+				ERR_FAIL_COND_V(true, Ref<Texture>());
+				//Ref<Image> img = Image::_dds_mem_loader_func((uint8_t *)tex->pcData, tex->mWidth);
+				//ERR_FAIL_COND_V(img.is_null(), Ref<Texture>());
+				//Ref<ImageTexture> t;
+				//t.instance();
+				//t->create_from_image(img);
+				//t->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
+				//return t;
+			}
+		} else {
+			Ref<Image> img;
+			img.instance();
+			PoolByteArray arr;
+			uint32_t size = tex->mWidth * tex->mHeight;
+			arr.resize(size);
+			memcpy(arr.write().ptr(), tex->pcData, size);
+			ERR_FAIL_COND_V(arr.size() % 4 != 0, Ref<Texture>());
+			//ARGB8888 to RGBA8888
+			for (int32_t i = 0; i < arr.size() / 4; i++) {
+				arr.write().ptr()[(4 * i) + 3] = arr[(4 * i) + 0];
+				arr.write().ptr()[(4 * i) + 0] = arr[(4 * i) + 1];
+				arr.write().ptr()[(4 * i) + 1] = arr[(4 * i) + 2];
+				arr.write().ptr()[(4 * i) + 2] = arr[(4 * i) + 3];
+			}
+			img->create(tex->mWidth, tex->mHeight, true, Image::FORMAT_RGBA8, arr);
+			ERR_FAIL_COND_V(img.is_null(), Ref<Texture>());
+
+			Ref<ImageTexture> t;
+			t.instance();
+			t->create_from_image(img);
+			t->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
+			return t;
+		}
+		return Ref<Texture>();
+	}
+	Ref<Texture> p_texture = ResourceLoader::load(p_path, "Texture");
+	return p_texture;
+}
+
+void EditorSceneImporterAssimp::_calc_tangent_from_mesh(const aiMesh *ai_mesh, int i, int tri_index, int index, PoolColorArray::Write &w) {
+	const aiVector3D normals = ai_mesh->mAnimMeshes[i]->mNormals[tri_index];
+	const Vector3 godot_normal = Vector3(normals.x, normals.y, normals.z);
+	const aiVector3D tangent = ai_mesh->mAnimMeshes[i]->mTangents[tri_index];
+	const Vector3 godot_tangent = Vector3(tangent.x, tangent.y, tangent.z);
+	const aiVector3D bitangent = ai_mesh->mAnimMeshes[i]->mBitangents[tri_index];
+	const Vector3 godot_bitangent = Vector3(bitangent.x, bitangent.y, bitangent.z);
+	float d = godot_normal.cross(godot_tangent).dot(godot_bitangent) > 0.0f ? 1.0f : -1.0f;
+	Color plane_tangent = Color(tangent.x, tangent.y, tangent.z, d);
+	w[index] = plane_tangent;
+}
+
+void EditorSceneImporterAssimp::_set_texture_mapping_mode(aiTextureMapMode *map_mode, Ref<Texture> texture) {
+	ERR_FAIL_COND(map_mode == NULL);
+	aiTextureMapMode tex_mode = aiTextureMapMode::aiTextureMapMode_Wrap;
+	//for (size_t i = 0; i < 3; i++) {
+	tex_mode = map_mode[0];
+	//}
+	int32_t flags = Texture::FLAGS_DEFAULT;
+	if (tex_mode == aiTextureMapMode_Wrap) {
+		//Default
+	} else if (tex_mode == aiTextureMapMode_Clamp) {
+		flags = flags & ~Texture::FLAG_REPEAT;
+	} else if (tex_mode == aiTextureMapMode_Mirror) {
+		flags = flags | Texture::FLAG_MIRRORED_REPEAT;
+	}
+	texture->set_flags(flags);
+}
+
+void EditorSceneImporterAssimp::_find_texture_path(const String &r_p_path, String &r_path, bool &r_found) {
+
+	_Directory dir;
+
+	List<String> exts;
+	ImageLoader::get_recognized_extensions(&exts);
+
+	Vector<String> split_path = r_path.get_basename().split("*");
+	if (split_path.size() == 2) {
+		r_found = true;
+		return;
+	}
+
+	if (dir.file_exists(r_p_path.get_base_dir() + r_path.get_file())) {
+		r_path = r_p_path.get_base_dir() + r_path.get_file();
+		r_found = true;
+		return;
+	}
+
+	for (int32_t i = 0; i < exts.size(); i++) {
+		if (r_found) {
+			return;
+		}
+		if (r_found == false) {
+			_find_texture_path(r_p_path, dir, r_path, r_found, "." + exts[i]);
+		}
+	}
+}
+
+void EditorSceneImporterAssimp::_find_texture_path(const String &p_path, _Directory &dir, String &path, bool &found, String extension) {
+	String name = path.get_basename() + extension;
+	if (dir.file_exists(name)) {
+		found = true;
+		path = name;
+		return;
+	}
+	String name_ignore_sub_directory = p_path.get_base_dir() + "/" + path.get_file().get_basename() + extension;
+	if (dir.file_exists(name_ignore_sub_directory)) {
+		found = true;
+		path = name_ignore_sub_directory;
+		return;
+	}
+
+	String name_find_texture_sub_directory = p_path.get_base_dir() + "/textures/" + path.get_file().get_basename() + extension;
+	if (dir.file_exists(name_find_texture_sub_directory)) {
+		found = true;
+		path = name_find_texture_sub_directory;
+		return;
+	}
+	String name_find_texture_upper_sub_directory = p_path.get_base_dir() + "/Textures/" + path.get_file().get_basename() + extension;
+	if (dir.file_exists(name_find_texture_upper_sub_directory)) {
+		found = true;
+		path = name_find_texture_upper_sub_directory;
+		return;
+	}
+	String name_find_texture_outside_sub_directory = p_path.get_base_dir() + "/../textures/" + path.get_file().get_basename() + extension;
+	if (dir.file_exists(name_find_texture_outside_sub_directory)) {
+		found = true;
+		path = name_find_texture_outside_sub_directory;
+		return;
+	}
+
+	String name_find_upper_texture_outside_sub_directory = p_path.get_base_dir() + "/../Textures/" + path.get_file().get_basename() + extension;
+	if (dir.file_exists(name_find_upper_texture_outside_sub_directory)) {
+		found = true;
+		path = name_find_upper_texture_outside_sub_directory;
+		return;
+	}
+}
+
+String EditorSceneImporterAssimp::_ai_string_to_string(const aiString p_string) const {
+	Vector<char> raw_name;
+	raw_name.resize(p_string.length);
+	memcpy(raw_name.ptrw(), p_string.C_Str(), p_string.length);
+	String name;
+	name.parse_utf8(raw_name.ptrw(), raw_name.size());
+	if (name.find(":") != -1) {
+		String replaced_name = name.split(":")[1];
+		print_verbose("Replacing " + name + " containing : with " + replaced_name);
+		name = replaced_name;
+	}
+	if (name.find(".") != -1) {
+		String replaced_name = name.replace(".", "");
+		print_verbose("Replacing " + name + " containing . with " + replaced_name);
+		name = replaced_name;
+	}
+	return name;
+}
+
+String EditorSceneImporterAssimp::_ai_anim_string_to_string(const aiString p_string) const {
+	Vector<char> raw_name;
+	raw_name.resize(p_string.length);
+	memcpy(raw_name.ptrw(), p_string.C_Str(), p_string.length);
+	String name;
+	name.parse_utf8(raw_name.ptrw(), raw_name.size());
+	if (name.find(":") != -1) {
+		String replaced_name = name.split(":")[1];
+		print_verbose("Replacing " + name + " containing : with " + replaced_name);
+		name = replaced_name;
+	}
+	return name;
+}
+
+String EditorSceneImporterAssimp::_ai_raw_string_to_string(const aiString p_string) const {
+	Vector<char> raw_name;
+	raw_name.resize(p_string.length);
+	memcpy(raw_name.ptrw(), p_string.C_Str(), p_string.length);
+	String name;
+	name.parse_utf8(raw_name.ptrw(), raw_name.size());
+	return name;
+}
+
+Ref<Animation> EditorSceneImporterAssimp::import_animation(const String &p_path, uint32_t p_flags, int p_bake_fps) {
+	return Ref<Animation>();
+}
+
+const Transform EditorSceneImporterAssimp::_ai_matrix_transform(const aiMatrix4x4 p_matrix) {
+	aiMatrix4x4 matrix = p_matrix;
+	Transform xform;
+	xform.set(matrix.a1, matrix.b1, matrix.c1, matrix.a2, matrix.b2, matrix.c2, matrix.a3, matrix.b3, matrix.c3, matrix.a4, matrix.b4, matrix.c4);
+	xform.basis.inverse();
+	xform.basis.transpose();
+	Vector3 scale = xform.basis.get_scale();
+	Quat rot = xform.basis.get_rotation_quat();
+	xform.basis.set_quat_scale(rot, scale);
+	return xform;
+}
diff --git a/modules/assimp/editor_scene_importer_assimp.h b/modules/assimp/editor_scene_importer_assimp.h
new file mode 100644
index 0000000000..8f9ed434ae
--- /dev/null
+++ b/modules/assimp/editor_scene_importer_assimp.h
@@ -0,0 +1,206 @@
+/*************************************************************************/
+/*  editor_scene_importer_assimp.h                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef EDITOR_SCENE_IMPORTER_ASSIMP_H
+#define EDITOR_SCENE_IMPORTER_ASSIMP_H
+
+#ifdef TOOLS_ENABLED
+#include "core/bind/core_bind.h"
+#include "core/io/resource_importer.h"
+#include "core/vector.h"
+#include "editor/import/resource_importer_scene.h"
+#include "editor/project_settings_editor.h"
+#include "scene/3d/mesh_instance.h"
+#include "scene/3d/skeleton.h"
+#include "scene/3d/spatial.h"
+#include "scene/animation/animation_player.h"
+#include "scene/resources/animation.h"
+#include "scene/resources/surface_tool.h"
+
+#include "assimp/DefaultLogger.hpp"
+#include "assimp/LogStream.hpp"
+#include "assimp/Logger.hpp"
+#include "assimp/matrix4x4.h"
+#include "assimp/scene.h"
+#include "assimp/types.h"
+
+class AssimpStream : public Assimp::LogStream {
+public:
+	// Constructor
+	AssimpStream();
+
+	// Destructor
+	~AssimpStream();
+	// Write something using your own functionality
+	void write(const char *message);
+};
+
+#define AI_MATKEY_FBX_MAYA_BASE_COLOR_FACTOR "$raw.Maya|baseColor", 0, 0
+#define AI_MATKEY_FBX_MAYA_METALNESS_FACTOR "$raw.Maya|metalness", 0, 0
+#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_FACTOR "$raw.Maya|diffuseRoughness", 0, 0
+
+#define AI_MATKEY_FBX_MAYA_METALNESS_TEXTURE "$raw.Maya|metalness|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_METALNESS_UV_XFORM "$raw.Maya|metalness|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_TEXTURE "$raw.Maya|diffuseRoughness|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_DIFFUSE_ROUGHNESS_UV_XFORM "$raw.Maya|diffuseRoughness|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_BASE_COLOR_TEXTURE "$raw.Maya|baseColor|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_BASE_COLOR_UV_XFORM "$raw.Maya|baseColor|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_NORMAL_TEXTURE "$raw.Maya|normalCamera|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_NORMAL_UV_XFORM "$raw.Maya|normalCamera|uvtrafo", aiTextureType_UNKNOWN, 0
+
+#define AI_MATKEY_FBX_NORMAL_TEXTURE "$raw.Maya|normalCamera|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_NORMAL_UV_XFORM "$raw.Maya|normalCamera|uvtrafo", aiTextureType_UNKNOWN, 0
+
+#define AI_MATKEY_FBX_MAYA_STINGRAY_DISPLACEMENT_SCALING_FACTOR "$raw.Maya|displacementscaling", 0, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_BASE_COLOR_FACTOR "$raw.Maya|base_color", 0, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_FACTOR "$raw.Maya|emissive", 0, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_FACTOR "$raw.Maya|metallic", 0, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_FACTOR "$raw.Maya|roughness", 0, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_INTENSITY_FACTOR "$raw.Maya|emissive_intensity", 0, 0
+
+#define AI_MATKEY_FBX_MAYA_STINGRAY_NORMAL_TEXTURE "$raw.Maya|TEX_normal_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_NORMAL_UV_XFORM "$raw.Maya|TEX_normal_map|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_TEXTURE "$raw.Maya|TEX_color_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_COLOR_UV_XFORM "$raw.Maya|TEX_color_map|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_TEXTURE "$raw.Maya|TEX_metallic_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_METALLIC_UV_XFORM "$raw.Maya|TEX_metallic_map|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_TEXTURE "$raw.Maya|TEX_roughness_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_ROUGHNESS_UV_XFORM "$raw.Maya|TEX_roughness_map|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_TEXTURE "$raw.Maya|TEX_emissive_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_EMISSIVE_UV_XFORM "$raw.Maya|TEX_emissive_map|uvtrafo", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_AO_TEXTURE "$raw.Maya|TEX_ao_map|file", aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_FBX_MAYA_STINGRAY_AO_UV_XFORM "$raw.Maya|TEX_ao_map|uvtrafo", aiTextureType_UNKNOWN, 0
+
+class EditorSceneImporterAssimp : public EditorSceneImporter {
+private:
+	GDCLASS(EditorSceneImporterAssimp, EditorSceneImporter);
+	const String ASSIMP_FBX_KEY = "_$AssimpFbx$";
+
+	struct AssetImportAnimation {
+		enum Interpolation {
+			INTERP_LINEAR,
+			INTERP_STEP,
+			INTERP_CATMULLROMSPLINE,
+			INTERP_CUBIC_SPLINE
+		};
+	};
+
+	struct AssetImportFbx {
+		enum ETimeMode {
+			TIME_MODE_DEFAULT = 0,
+			TIME_MODE_120 = 1,
+			TIME_MODE_100 = 2,
+			TIME_MODE_60 = 3,
+			TIME_MODE_50 = 4,
+			TIME_MODE_48 = 5,
+			TIME_MODE_30 = 6,
+			TIME_MODE_30_DROP = 7,
+			TIME_MODE_NTSC_DROP_FRAME = 8,
+			TIME_MODE_NTSC_FULL_FRAME = 9,
+			TIME_MODE_PAL = 10,
+			TIME_MODE_CINEMA = 11,
+			TIME_MODE_1000 = 12,
+			TIME_MODE_CINEMA_ND = 13,
+			TIME_MODE_CUSTOM = 14,
+			TIME_MODE_TIME_MODE_COUNT = 15
+		};
+		enum UpAxis {
+			UP_VECTOR_AXIS_X = 1,
+			UP_VECTOR_AXIS_Y = 2,
+			UP_VECTOR_AXIS_Z = 3
+		};
+		enum FrontAxis {
+			FRONT_PARITY_EVEN = 1,
+			FRONT_PARITY_ODD = 2,
+		};
+
+		enum CoordAxis {
+			COORD_RIGHT = 0,
+			COORD_LEFT = 1
+		};
+	};
+	Spatial *_generate_scene(const String &p_path, const aiScene *scene, const uint32_t p_flags, int p_bake_fps, const int32_t p_max_bone_weights);
+	void _fill_kept_node(Set<Node *> &keep_nodes);
+	String _find_skeleton_bone_root(Map<Skeleton *, MeshInstance *> &skeletons, Map<MeshInstance *, String> &meshes, Spatial *root);
+	void _set_bone_parent(Skeleton *s, Node *p_owner, aiNode *p_node);
+	Transform _get_global_ai_node_transform(const aiScene *p_scene, const aiNode *p_current_node);
+	void _generate_node_bone(const aiScene *p_scene, const aiNode *p_node, Map<String, bool> &p_mesh_bones, Skeleton *p_skeleton, const String p_path, const int32_t p_max_bone_weights);
+	void _generate_node_bone_parents(const aiScene *p_scene, const aiNode *p_node, Map<String, bool> &p_mesh_bones, Skeleton *p_skeleton, const MeshInstance *p_mi);
+	void _calculate_skeleton_root(Skeleton *s, const aiScene *p_scene, aiNode *&p_ai_skeleton_root, Map<String, bool> &mesh_bones, const aiNode *p_node);
+	void _fill_skeleton(const aiScene *p_scene, const aiNode *p_node, Spatial *p_current, Node *p_owner, Skeleton *p_skeleton, const Map<String, bool> p_mesh_bones, const Map<String, Transform> &p_bone_rests, Set<String> p_tracks, const String p_path, Set<String> &r_removed_bones);
+	void _keep_node(const String &p_path, Node *p_current, Node *p_owner, Set<Node *> &r_keep_nodes);
+	void _filter_node(const String &p_path, Node *p_current, Node *p_owner, const Set<Node *> p_keep_nodes, Set<String> &r_removed_nodes);
+	void _generate_node(const String &p_path, const aiScene *p_scene, const aiNode *p_node, Node *p_parent, Node *p_owner, Set<String> &r_bone_name, Set<String> p_light_names, Set<String> p_camera_names, Map<Skeleton *, MeshInstance *> &r_skeletons, const Map<String, Transform> &p_bone_rests, Vector<MeshInstance *> &r_mesh_instances, int32_t &r_mesh_count, Skeleton *p_skeleton, const int32_t p_max_bone_weights, Set<String> &r_removed_bones, Map<String, Map<uint32_t, String> > &r_name_morph_mesh_names);
+	aiNode *_ai_find_node(aiNode *ai_child_node, const String bone_name);
+	Transform _format_rot_xform(const String p_path, const aiScene *p_scene);
+	void _get_track_set(const aiScene *p_scene, Set<String> &tracks);
+	void _insert_animation_track(const aiScene *p_scene, const String p_path, int p_bake_fps, Ref<Animation> animation, float ticks_per_second, float length, const Skeleton *sk, const aiNodeAnim *track, String node_name, NodePath node_path);
+	void _add_mesh_to_mesh_instance(const aiNode *p_node, const aiScene *p_scene, Skeleton *s, const String &p_path, MeshInstance *p_mesh_instance, Node *p_owner, Set<String> &r_bone_name, int32_t &r_mesh_count, int32_t p_max_bone_weights, Map<String, Map<uint32_t, String> > &r_name_morph_mesh_names);
+	Ref<Texture> _load_texture(const aiScene *p_scene, String p_path);
+	void _calc_tangent_from_mesh(const aiMesh *ai_mesh, int i, int tri_index, int index, PoolColorArray::Write &w);
+	void _set_texture_mapping_mode(aiTextureMapMode *map_mode, Ref<Texture> texture);
+	void _find_texture_path(const String &p_path, String &path, bool &r_found);
+	void _find_texture_path(const String &p_path, _Directory &dir, String &path, bool &found, String extension);
+	String _ai_string_to_string(const aiString p_string) const;
+	String _ai_anim_string_to_string(const aiString p_string) const;
+	String _ai_raw_string_to_string(const aiString p_string) const;
+	void _import_animation(const String p_path, const Vector<MeshInstance *> p_meshes, const aiScene *p_scene, AnimationPlayer *ap, int32_t p_index, int p_bake_fps, Map<Skeleton *, MeshInstance *> p_skeletons, const Set<String> p_removed_nodes, const Set<String> removed_bones, const Map<String, Map<uint32_t, String> > p_path_morph_mesh_names);
+	void _insert_pivot_anim_track(const Vector<MeshInstance *> p_meshes, const String p_node_name, Vector<const aiNodeAnim *> F, AnimationPlayer *ap, Skeleton *sk, float &length, float ticks_per_second, Ref<Animation> animation, int p_bake_fps, const String &p_path, const aiScene *p_scene);
+	float _get_fbx_fps(int32_t time_mode, const aiScene *p_scene);
+	template <class T>
+	T _interpolate_track(const Vector<float> &p_times, const Vector<T> &p_values, float p_time, AssetImportAnimation::Interpolation p_interp);
+	const Transform _ai_matrix_transform(const aiMatrix4x4 p_matrix);
+	void _register_project_setting_import(const String generic, const String import_setting_string, const Vector<String> &exts, List<String> *r_extensions, const bool p_enabled) const;
+
+	struct ImportFormat {
+		Vector<String> extensions;
+		bool is_default;
+	};
+
+protected:
+	static void _bind_methods();
+
+public:
+	EditorSceneImporterAssimp() {
+		Assimp::DefaultLogger::create("", Assimp::Logger::VERBOSE);
+		unsigned int severity = Assimp::Logger::Info | Assimp::Logger::Err | Assimp::Logger::Warn;
+		Assimp::DefaultLogger::get()->attachStream(new AssimpStream(), severity);
+	}
+	~EditorSceneImporterAssimp() {
+		Assimp::DefaultLogger::kill();
+	}
+
+	virtual void get_extensions(List<String> *r_extensions) const;
+	virtual uint32_t get_import_flags() const;
+	virtual Node *import_scene(const String &p_path, uint32_t p_flags, int p_bake_fps, List<String> *r_missing_deps, Error *r_err = NULL);
+	virtual Ref<Animation> import_animation(const String &p_path, uint32_t p_flags, int p_bake_fps);
+};
+#endif
+#endif
diff --git a/modules/assimp/godot_update_assimp.sh b/modules/assimp/godot_update_assimp.sh
new file mode 100644
index 0000000000..dcf1e6d4a2
--- /dev/null
+++ b/modules/assimp/godot_update_assimp.sh
@@ -0,0 +1,261 @@
+rm -rf ../../thirdparty/assimp
+cd ../../thirdparty/
+git clone https://github.com/assimp/assimp.git
+cd assimp
+rm -rf code/3DSExporter.h
+rm -rf code/3DSLoader.h
+rm -rf code/3MFXmlTags.h
+rm -rf code/ABCImporter.h
+rm -rf code/ACLoader.h
+rm -rf code/AMFImporter_Macro.hpp
+rm -rf code/ASELoader.h
+rm -rf code/assbin_chunks.h
+rm -rf code/AssbinExporter.h
+rm -rf code/AssbinLoader.h
+rm -rf code/AssimpCExport.cpp
+rm -rf code/AssxmlExporter.h
+rm -rf code/B3DImporter.h
+# rm -rf code/BaseProcess.cpp
+# rm -rf code/BaseProcess.h
+# rm -rf code/Bitmap.cpp
+rm -rf code/BlenderBMesh.cpp
+rm -rf code/BlenderBMesh.h
+rm -rf code/BlenderCustomData.cpp
+rm -rf code/BlenderCustomData.h
+rm -rf code/BlenderIntermediate.h
+rm -rf code/BlenderLoader.h
+rm -rf code/BlenderModifier.h
+rm -rf code/BlenderSceneGen.h
+rm -rf code/BlenderTessellator.h
+rm -rf code/BVHLoader.h
+rm -rf code/C4DImporter.h
+# rm -rf code/CalcTangentsProcess.h
+# rm -rf code/CInterfaceIOWrapper.cpp
+# rm -rf code/CInterfaceIOWrapper.h
+rm -rf code/COBLoader.h
+rm -rf code/COBScene.h
+rm -rf code/ColladaExporter.h
+rm -rf code/ColladaLoader.h
+# rm -rf code/ComputeUVMappingProcess.h
+# rm -rf code/ConvertToLHProcess.h
+# rm -rf code/CreateAnimMesh.cpp
+rm -rf code/CSMLoader.h
+rm -rf code/D3MFExporter.h
+rm -rf code/D3MFImporter.h
+rm -rf code/D3MFOpcPackage.h
+# rm -rf code/DeboneProcess.h
+# rm -rf code/DefaultIOStream.cpp
+# rm -rf code/DefaultIOSystem.cpp
+# rm -rf code/DefaultProgressHandler.h
+# rm -rf code/DropFaceNormalsProcess.cpp
+# rm -rf code/DropFaceNormalsProcess.h
+rm -rf code/DXFHelper.h
+rm -rf code/DXFLoader.h
+# rm -rf code/EmbedTexturesProcess.cpp
+# rm -rf code/EmbedTexturesProcess.h
+# rm -rf code/FBXCommon.h
+# rm -rf code/FBXCompileConfig.h
+# rm -rf code/FBXDeformer.cpp
+# rm -rf code/FBXDocumentUtil.cpp
+# rm -rf code/FBXDocumentUtil.h
+# rm -rf code/FBXExporter.h
+# rm -rf code/FBXExportNode.h
+# rm -rf code/FBXExportProperty.h
+# rm -rf code/FBXImporter.cpp
+# rm -rf code/FBXImporter.h
+# rm -rf code/FBXImportSettings.h
+# rm -rf code/FBXMeshGeometry.h
+# rm -rf code/FBXModel.cpp
+# rm -rf code/FBXNodeAttribute.cpp
+# rm -rf code/FBXParser.h
+# rm -rf code/FBXProperties.cpp
+# rm -rf code/FBXProperties.h
+# rm -rf code/FBXTokenizer.cpp
+# rm -rf code/FBXTokenizer.h
+# rm -rf code/FBXUtil.cpp
+# rm -rf code/FBXUtil.h
+# rm -rf code/FileLogStream.h
+# rm -rf code/FindDegenerates.h
+# rm -rf code/FindInstancesProcess.h
+# rm -rf code/FindInvalidDataProcess.h
+rm -rf code/FIReader.hpp
+# rm -rf code/FixNormalsStep.cpp
+# rm -rf code/FixNormalsStep.h
+# rm -rf code/GenFaceNormalsProcess.cpp
+# rm -rf code/GenFaceNormalsProcess.h
+# rm -rf code/GenVertexNormalsProcess.cpp
+# rm -rf code/GenVertexNormalsProcess.h
+rm -rf code/glTF2Asset.h
+rm -rf code/glTF2Asset.inl
+rm -rf code/glTF2AssetWriter.inl
+rm -rf code/glTF2Exporter.cpp
+rm -rf code/glTF2Importer.cpp
+rm -rf code/glTF2AssetWriter.h
+rm -rf code/glTFAsset.h
+rm -rf code/glTFAsset.inl
+rm -rf code/glTFAssetWriter.inl
+rm -rf code/glTFExporter.cpp
+rm -rf code/glTFImporter.cpp
+rm -rf code/glTF2Exporter.h
+rm -rf code/glTF2Importer.h
+rm -rf code/glTFAssetWriter.h
+rm -rf code/glTFExporter.h
+rm -rf code/glTFImporter.h
+rm -rf code/HalfLifeFileData.h
+rm -rf code/HMPFileData.h
+rm -rf code/HMPLoader.h
+rm -rf code/HMPLoader.cpp
+rm -rf code/IFF.h
+# rm -rf code/Importer.h
+# rm -rf code/ImproveCacheLocality.h
+rm -rf code/IRRLoader.h
+rm -rf code/IRRMeshLoader.h
+rm -rf code/IRRShared.h
+# rm -rf code/JoinVerticesProcess.h
+# rm -rf code/LimitBoneWeightsProcess.cpp
+# rm -rf code/LimitBoneWeightsProcess.h
+rm -rf code/LWSLoader.h
+rm -rf code/makefile.mingw
+# rm -rf code/MakeVerboseFormat.cpp
+# rm -rf code/MakeVerboseFormat.h
+# rm -rf code/MaterialSystem.h
+rm -rf code/MD2FileData.h
+rm -rf code/MD2Loader.h
+rm -rf code/MD2NormalTable.h
+rm -rf code/MD3FileData.h
+rm -rf code/MD3Loader.h
+rm -rf code/MD4FileData.h
+rm -rf code/MD5Loader.h
+rm -rf code/MD5Parser.cpp
+rm -rf code/MDCFileData.h
+rm -rf code/MDCLoader.h
+rm -rf code/MDLDefaultColorMap.h
+# rm -rf code/MMDCpp14.h
+# rm -rf code/MMDImporter.h
+rm -rf code/MS3DLoader.h
+rm -rf code/NDOLoader.h
+rm -rf code/NFFLoader.h
+rm -rf code/ObjExporter.h
+rm -rf code/ObjFileImporter.h
+rm -rf code/ObjFileMtlImporter.h
+rm -rf code/ObjFileParser.h
+rm -rf code/ObjTools.h
+rm -rf code/ObjExporter.cpp
+rm -rf code/ObjFileImporter.cpp
+rm -rf code/ObjFileMtlImporter.cpp
+rm -rf code/ObjFileParser.cpp
+rm -rf code/OFFLoader.h
+rm -rf code/OFFLoader.cpp
+rm -rf code/OgreImporter.cpp
+rm -rf code/OgreImporter.h
+rm -rf code/OgreParsingUtils.h
+rm -rf code/OgreXmlSerializer.h
+rm -rf code/OgreXmlSerializer.cpp
+rm -rf code/OgreBinarySerializer.cpp
+rm -rf code/OpenGEXExporter.cpp
+rm -rf code/OpenGEXExporter.h
+rm -rf code/OpenGEXImporter.h
+rm -rf code/OpenGEXStructs.h
+rm -rf code/OpenGEXImporter.cpp
+# rm -rf code/OptimizeGraph.h
+# rm -rf code/OptimizeMeshes.cpp
+# rm -rf code/OptimizeMeshes.h
+rm -rf code/PlyExporter.h
+rm -rf code/PlyLoader.h
+# rm -rf code/PolyTools.h
+# rm -rf code/PostStepRegistry.cpp
+# rm -rf code/PretransformVertices.h
+rm -rf code/Q3BSPFileData.h
+rm -rf code/Q3BSPFileImporter.h
+rm -rf code/Q3BSPFileParser.cpp
+rm -rf code/Q3BSPFileParser.h
+rm -rf code/Q3BSPZipArchive.cpp
+rm -rf code/Q3BSPZipArchive.h
+rm -rf code/Q3DLoader.h
+rm -rf code/Q3DLoader.cpp
+rm -rf code/Q3BSPFileImporter.cpp
+rm -rf code/RawLoader.h
+# rm -rf code/RemoveComments.cpp
+# rm -rf code/RemoveRedundantMaterials.cpp
+# rm -rf code/RemoveRedundantMaterials.h
+# rm -rf code/RemoveVCProcess.h
+# rm -rf code/ScaleProcess.cpp
+# rm -rf code/ScaleProcess.h
+# rm -rf code/scene.cpp
+# rm -rf code/ScenePreprocessor.cpp
+# rm -rf code/ScenePreprocessor.h
+# rm -rf code/ScenePrivate.h
+# rm -rf code/SGSpatialSort.cpp
+rm -rf code/SIBImporter.h
+rm -rf code/SMDLoader.cpp
+# rm -rf code/simd.cpp
+# rm -rf code/simd.h
+# rm -rf code/SortByPTypeProcess.h
+# rm -rf code/SplitByBoneCountProcess.h
+# rm -rf code/SplitLargeMeshes.h
+# rm -rf code/StdOStreamLogStream.h
+rm -rf code/StepExporter.h
+rm -rf code/StepExporter.cpp
+rm -rf code/STLExporter.cpp
+rm -rf code/STLExporter.h
+rm -rf code/STLLoader.h
+rm -rf code/STLLoader.cpp
+# rm -rf code/TargetAnimation.cpp
+# rm -rf code/TargetAnimation.h
+rm -rf code/TerragenLoader.h
+rm -rf code/TerragenLoader.cpp
+# rm -rf code/TextureTransform.h
+# rm -rf code/TriangulateProcess.h
+rm -rf code/UnrealLoader.h
+# rm -rf code/ValidateDataStructure.h
+# rm -rf code/Version.cpp
+# rm -rf code/VertexTriangleAdjacency.cpp
+# rm -rf code/VertexTriangleAdjacency.h
+# rm -rf code/Win32DebugLogStream.h
+rm -rf code/X3DImporter_Macro.hpp
+rm -rf code/X3DImporter_Metadata.cpp
+rm -rf code/X3DImporter_Networking.cpp
+rm -rf code/X3DImporter_Texturing.cpp
+rm -rf code/X3DImporter_Shape.cpp
+rm -rf code/X3DImporter_Rendering.cpp
+rm -rf code/X3DImporter_Postprocess.cpp
+rm -rf code/X3DImporter_Light.cpp
+rm -rf code/X3DImporter_Group.cpp
+rm -rf code/X3DImporter_Geometry3D.cpp
+rm -rf code/X3DImporter_Geometry2D.cpp
+rm -rf code/X3DImporter.cpp
+rm -rf code/X3DExporter.cpp
+rm -rf code/X3DVocabulary.cpp
+rm -rf code/XFileExporter.h
+rm -rf code/XFileExporter.cpp
+rm -rf code/XFileHelper.h
+rm -rf code/XFileHelper.cpp
+rm -rf code/XFileImporter.h
+rm -rf code/XFileImporter.cpp
+rm -rf code/XFileParser.h
+rm -rf code/XFileParser.cpp
+rm -rf code/XGLLoader.h
+rm -rf code/XGLLoader.cpp
+rm -rf code/Importer
+rm -rf .git
+rm -rf cmake-modules
+rm -rf doc
+rm -rf packaging
+rm -rf port
+rm -rf samples
+rm -rf scripts
+rm -rf test
+rm -rf tools
+rm -rf contrib/zlib
+rm -rf contrib/android-cmake
+rm -rf contrib/gtest
+rm -rf contrib/clipper
+rm -rf contrib/irrXML
+rm -rf contrib/Open3DGC
+rm -rf contrib/openddlparser
+rm -rf contrib/poly2tri
+rm -rf contrib/rapidjson
+rm -rf contrib/unzip
+rm -rf contrib/zip
+rm -rf contrib/stb_image
+rm .travis*
diff --git a/modules/assimp/register_types.cpp b/modules/assimp/register_types.cpp
new file mode 100644
index 0000000000..0afb1e72bf
--- /dev/null
+++ b/modules/assimp/register_types.cpp
@@ -0,0 +1,53 @@
+/*************************************************************************/
+/*  register_types.cpp                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "register_types.h"
+
+#include "editor/editor_node.h"
+#include "editor_scene_importer_assimp.h"
+
+#ifdef TOOLS_ENABLED
+static void _editor_init() {
+	Ref<EditorSceneImporterAssimp> import_assimp;
+	import_assimp.instance();
+	ResourceImporterScene::get_singleton()->add_importer(import_assimp);
+}
+#endif
+
+void register_assimp_types() {
+
+#ifdef TOOLS_ENABLED
+	ClassDB::register_class<EditorSceneImporterAssimp>();
+	EditorNode::add_init_callback(_editor_init);
+#endif
+}
+
+void unregister_assimp_types() {
+}
diff --git a/modules/assimp/register_types.h b/modules/assimp/register_types.h
new file mode 100644
index 0000000000..f841cd26b2
--- /dev/null
+++ b/modules/assimp/register_types.h
@@ -0,0 +1,32 @@
+/*************************************************************************/
+/*  register_types.h                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+void register_assimp_types();
+void unregister_assimp_types();
diff --git a/modules/bullet/doc_classes/BulletPhysicsDirectBodyState.xml b/modules/bullet/doc_classes/BulletPhysicsDirectBodyState.xml
index a4dc61d0bc..1f91349f32 100644
--- a/modules/bullet/doc_classes/BulletPhysicsDirectBodyState.xml
+++ b/modules/bullet/doc_classes/BulletPhysicsDirectBodyState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BulletPhysicsDirectBodyState" inherits="PhysicsDirectBodyState" category="Core" version="3.1">
+<class name="BulletPhysicsDirectBodyState" inherits="PhysicsDirectBodyState" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/bullet/doc_classes/BulletPhysicsServer.xml b/modules/bullet/doc_classes/BulletPhysicsServer.xml
index 1486936cf4..8adc659b2c 100644
--- a/modules/bullet/doc_classes/BulletPhysicsServer.xml
+++ b/modules/bullet/doc_classes/BulletPhysicsServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="BulletPhysicsServer" inherits="PhysicsServer" category="Core" version="3.1">
+<class name="BulletPhysicsServer" inherits="PhysicsServer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/bullet/shape_bullet.cpp b/modules/bullet/shape_bullet.cpp
index 1aba31f03d..b590d63167 100644
--- a/modules/bullet/shape_bullet.cpp
+++ b/modules/bullet/shape_bullet.cpp
@@ -510,16 +510,17 @@ void HeightMapShapeBullet::set_data(const Variant &p_data) {
 	// Compute min and max heights if not specified.
 	if (!d.has("min_height") && !d.has("max_height")) {
 
-		PoolVector<real_t>::Read r = heights.read();
-		int heights_size = heights.size();
+		PoolVector<real_t>::Read r = l_heights.read();
+		int heights_size = l_heights.size();
 
 		for (int i = 0; i < heights_size; ++i) {
 			real_t h = r[i];
 
-			if (h < l_min_height)
+			if (h < l_min_height) {
 				l_min_height = h;
-			else if (h > l_max_height)
+			} else if (h > l_max_height) {
 				l_max_height = h;
+			}
 		}
 	}
 
diff --git a/modules/csg/csg_gizmos.cpp b/modules/csg/csg_gizmos.cpp
index 3044887ef5..d4069b901f 100644
--- a/modules/csg/csg_gizmos.cpp
+++ b/modules/csg/csg_gizmos.cpp
@@ -283,6 +283,10 @@ String CSGShapeSpatialGizmoPlugin::get_name() const {
 	return "CSGShapes";
 }
 
+int CSGShapeSpatialGizmoPlugin::get_priority() const {
+	return -1;
+}
+
 bool CSGShapeSpatialGizmoPlugin::is_selectable_when_hidden() const {
 	return true;
 }
diff --git a/modules/csg/csg_gizmos.h b/modules/csg/csg_gizmos.h
index b208c39938..0915d05111 100644
--- a/modules/csg/csg_gizmos.h
+++ b/modules/csg/csg_gizmos.h
@@ -42,6 +42,7 @@ class CSGShapeSpatialGizmoPlugin : public EditorSpatialGizmoPlugin {
 public:
 	bool has_gizmo(Spatial *p_spatial);
 	String get_name() const;
+	int get_priority() const;
 	bool is_selectable_when_hidden() const;
 	void redraw(EditorSpatialGizmo *p_gizmo);
 
diff --git a/modules/csg/csg_shape.cpp b/modules/csg/csg_shape.cpp
index f274fff3f3..775ec67ba6 100644
--- a/modules/csg/csg_shape.cpp
+++ b/modules/csg/csg_shape.cpp
@@ -806,8 +806,8 @@ CSGBrush *CSGMesh::_build_brush() {
 				uvw[as + j + 1] = uv[1];
 				uvw[as + j + 2] = uv[2];
 
-				sw[j / 3] = !flat;
-				mw[j / 3] = mat;
+				sw[(as + j) / 3] = !flat;
+				mw[(as + j) / 3] = mat;
 			}
 		} else {
 			int as = vertices.size();
@@ -849,8 +849,8 @@ CSGBrush *CSGMesh::_build_brush() {
 				uvw[as + j + 1] = uv[1];
 				uvw[as + j + 2] = uv[2];
 
-				sw[j / 3] = !flat;
-				mw[j / 3] = mat;
+				sw[(as + j) / 3] = !flat;
+				mw[(as + j) / 3] = mat;
 			}
 		}
 	}
diff --git a/modules/csg/doc_classes/CSGBox.xml b/modules/csg/doc_classes/CSGBox.xml
index 5ec7b5089d..1684850f0a 100644
--- a/modules/csg/doc_classes/CSGBox.xml
+++ b/modules/csg/doc_classes/CSGBox.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGBox" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGBox" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		A CSG Box shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGCombiner.xml b/modules/csg/doc_classes/CSGCombiner.xml
index 69c5df5840..819a4a3a22 100644
--- a/modules/csg/doc_classes/CSGCombiner.xml
+++ b/modules/csg/doc_classes/CSGCombiner.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGCombiner" inherits="CSGShape" category="Core" version="3.1">
+<class name="CSGCombiner" inherits="CSGShape" category="Core" version="3.2">
 	<brief_description>
 		A CSG node that allows you to combine other CSG modifiers.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGCylinder.xml b/modules/csg/doc_classes/CSGCylinder.xml
index 92b170ed1f..50a88d6773 100644
--- a/modules/csg/doc_classes/CSGCylinder.xml
+++ b/modules/csg/doc_classes/CSGCylinder.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGCylinder" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGCylinder" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		A CSG Cylinder shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGMesh.xml b/modules/csg/doc_classes/CSGMesh.xml
index 58e2bc1c4b..fc9815d7c0 100644
--- a/modules/csg/doc_classes/CSGMesh.xml
+++ b/modules/csg/doc_classes/CSGMesh.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGMesh" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGMesh" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		A CSG Mesh shape that uses a mesh resource.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGPolygon.xml b/modules/csg/doc_classes/CSGPolygon.xml
index a33e5557cb..ae75f7e01b 100644
--- a/modules/csg/doc_classes/CSGPolygon.xml
+++ b/modules/csg/doc_classes/CSGPolygon.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGPolygon" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGPolygon" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		Extrudes a 2D polygon shape to create a 3D mesh.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGPrimitive.xml b/modules/csg/doc_classes/CSGPrimitive.xml
index 2591bab7e3..502a8230e4 100644
--- a/modules/csg/doc_classes/CSGPrimitive.xml
+++ b/modules/csg/doc_classes/CSGPrimitive.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGPrimitive" inherits="CSGShape" category="Core" version="3.1">
+<class name="CSGPrimitive" inherits="CSGShape" category="Core" version="3.2">
 	<brief_description>
 		Base class for CSG primitives.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGShape.xml b/modules/csg/doc_classes/CSGShape.xml
index d304d0179f..ccfc5a04c0 100644
--- a/modules/csg/doc_classes/CSGShape.xml
+++ b/modules/csg/doc_classes/CSGShape.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGShape" inherits="VisualInstance" category="Core" version="3.1">
+<class name="CSGShape" inherits="VisualInstance" category="Core" version="3.2">
 	<brief_description>
 		The CSG base class.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGSphere.xml b/modules/csg/doc_classes/CSGSphere.xml
index a0069879cb..088c9f14eb 100644
--- a/modules/csg/doc_classes/CSGSphere.xml
+++ b/modules/csg/doc_classes/CSGSphere.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGSphere" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGSphere" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		A CSG Sphere shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGTorus.xml b/modules/csg/doc_classes/CSGTorus.xml
index 187d71a2fa..946637bd2c 100644
--- a/modules/csg/doc_classes/CSGTorus.xml
+++ b/modules/csg/doc_classes/CSGTorus.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGTorus" inherits="CSGPrimitive" category="Core" version="3.1">
+<class name="CSGTorus" inherits="CSGPrimitive" category="Core" version="3.2">
 	<brief_description>
 		A CSG Torus shape.
 	</brief_description>
diff --git a/modules/enet/doc_classes/NetworkedMultiplayerENet.xml b/modules/enet/doc_classes/NetworkedMultiplayerENet.xml
index c9a7d96ae7..c1bec533dd 100644
--- a/modules/enet/doc_classes/NetworkedMultiplayerENet.xml
+++ b/modules/enet/doc_classes/NetworkedMultiplayerENet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NetworkedMultiplayerENet" inherits="NetworkedMultiplayerPeer" category="Core" version="3.1">
+<class name="NetworkedMultiplayerENet" inherits="NetworkedMultiplayerPeer" category="Core" version="3.2">
 	<brief_description>
 		PacketPeer implementation using the ENet library.
 	</brief_description>
diff --git a/modules/gdnative/doc_classes/ARVRInterfaceGDNative.xml b/modules/gdnative/doc_classes/ARVRInterfaceGDNative.xml
index be86ff0541..afb014d608 100644
--- a/modules/gdnative/doc_classes/ARVRInterfaceGDNative.xml
+++ b/modules/gdnative/doc_classes/ARVRInterfaceGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ARVRInterfaceGDNative" inherits="ARVRInterface" category="Core" version="3.1">
+<class name="ARVRInterfaceGDNative" inherits="ARVRInterface" category="Core" version="3.2">
 	<brief_description>
 		GDNative wrapper for an ARVR interface
 	</brief_description>
diff --git a/modules/gdnative/doc_classes/GDNative.xml b/modules/gdnative/doc_classes/GDNative.xml
index ca0457623f..e5a59aad07 100644
--- a/modules/gdnative/doc_classes/GDNative.xml
+++ b/modules/gdnative/doc_classes/GDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDNative" inherits="Reference" category="Core" version="3.1">
+<class name="GDNative" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/GDNativeLibrary.xml b/modules/gdnative/doc_classes/GDNativeLibrary.xml
index 754a6d2514..ba5278d440 100644
--- a/modules/gdnative/doc_classes/GDNativeLibrary.xml
+++ b/modules/gdnative/doc_classes/GDNativeLibrary.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDNativeLibrary" inherits="Resource" category="Core" version="3.1">
+<class name="GDNativeLibrary" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/MultiplayerPeerGDNative.xml b/modules/gdnative/doc_classes/MultiplayerPeerGDNative.xml
index 4433179726..ba481a6d6e 100644
--- a/modules/gdnative/doc_classes/MultiplayerPeerGDNative.xml
+++ b/modules/gdnative/doc_classes/MultiplayerPeerGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MultiplayerPeerGDNative" inherits="NetworkedMultiplayerPeer" category="Core" version="3.1">
+<class name="MultiplayerPeerGDNative" inherits="NetworkedMultiplayerPeer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/NativeScript.xml b/modules/gdnative/doc_classes/NativeScript.xml
index 37d5b79e7a..c50f9eee22 100644
--- a/modules/gdnative/doc_classes/NativeScript.xml
+++ b/modules/gdnative/doc_classes/NativeScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NativeScript" inherits="Script" category="Core" version="3.1">
+<class name="NativeScript" inherits="Script" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/PacketPeerGDNative.xml b/modules/gdnative/doc_classes/PacketPeerGDNative.xml
index 0ae54bc9c7..f4d7d22f5b 100644
--- a/modules/gdnative/doc_classes/PacketPeerGDNative.xml
+++ b/modules/gdnative/doc_classes/PacketPeerGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PacketPeerGDNative" inherits="PacketPeer" category="Core" version="3.1">
+<class name="PacketPeerGDNative" inherits="PacketPeer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/PluginScript.xml b/modules/gdnative/doc_classes/PluginScript.xml
index 1876d06c20..8510708124 100644
--- a/modules/gdnative/doc_classes/PluginScript.xml
+++ b/modules/gdnative/doc_classes/PluginScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="PluginScript" inherits="Script" category="Core" version="3.1">
+<class name="PluginScript" inherits="Script" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/ResourceFormatLoaderVideoStreamGDNative.xml b/modules/gdnative/doc_classes/ResourceFormatLoaderVideoStreamGDNative.xml
index 61a7f60499..8e7f4698ff 100644
--- a/modules/gdnative/doc_classes/ResourceFormatLoaderVideoStreamGDNative.xml
+++ b/modules/gdnative/doc_classes/ResourceFormatLoaderVideoStreamGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceFormatLoaderVideoStreamGDNative" inherits="ResourceFormatLoader" category="Core" version="3.1">
+<class name="ResourceFormatLoaderVideoStreamGDNative" inherits="ResourceFormatLoader" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/StreamPeerGDNative.xml b/modules/gdnative/doc_classes/StreamPeerGDNative.xml
index d86cd2c25a..eddebf4889 100644
--- a/modules/gdnative/doc_classes/StreamPeerGDNative.xml
+++ b/modules/gdnative/doc_classes/StreamPeerGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="StreamPeerGDNative" inherits="StreamPeer" category="Core" version="3.1">
+<class name="StreamPeerGDNative" inherits="StreamPeer" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/doc_classes/VideoStreamGDNative.xml b/modules/gdnative/doc_classes/VideoStreamGDNative.xml
index 20575c768b..d5c5ed7ccf 100644
--- a/modules/gdnative/doc_classes/VideoStreamGDNative.xml
+++ b/modules/gdnative/doc_classes/VideoStreamGDNative.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VideoStreamGDNative" inherits="VideoStream" category="Core" version="3.1">
+<class name="VideoStreamGDNative" inherits="VideoStream" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdnative/gdnative.cpp b/modules/gdnative/gdnative.cpp
index 34325db9fd..e8278825bc 100644
--- a/modules/gdnative/gdnative.cpp
+++ b/modules/gdnative/gdnative.cpp
@@ -414,6 +414,7 @@ bool GDNative::terminate() {
 	if (error || !library_terminate) {
 		OS::get_singleton()->close_dynamic_library(native_handle);
 		native_handle = NULL;
+		initialized = false;
 		return true;
 	}
 
diff --git a/modules/gdnative/nativescript/api_generator.cpp b/modules/gdnative/nativescript/api_generator.cpp
index b99c5d31ab..7eb4294732 100644
--- a/modules/gdnative/nativescript/api_generator.cpp
+++ b/modules/gdnative/nativescript/api_generator.cpp
@@ -279,7 +279,7 @@ List<ClassAPI> generate_c_api_classes() {
 				MethodInfo &method_info = m->get();
 
 				//method name
-				method_api.method_name = m->get().name;
+				method_api.method_name = method_info.name;
 				//method return type
 				if (method_api.method_name.find(":") != -1) {
 					method_api.return_type = method_api.method_name.get_slice(":", 1);
@@ -321,6 +321,8 @@ List<ClassAPI> generate_c_api_classes() {
 						arg_type = arg_info.hint_string;
 					} else if (arg_info.type == Variant::NIL) {
 						arg_type = "Variant";
+					} else if (arg_info.type == Variant::OBJECT) {
+						arg_type = arg_info.class_name;
 					} else {
 						arg_type = Variant::get_type_name(arg_info.type);
 					}
diff --git a/modules/gdnative/nativescript/nativescript.cpp b/modules/gdnative/nativescript/nativescript.cpp
index c2b772df85..5cf144d4fe 100644
--- a/modules/gdnative/nativescript/nativescript.cpp
+++ b/modules/gdnative/nativescript/nativescript.cpp
@@ -160,8 +160,10 @@ bool NativeScript::can_instance() const {
 	NativeScriptDesc *script_data = get_script_desc();
 
 #ifdef TOOLS_ENABLED
-
-	return script_data || (!is_tool() && !ScriptServer::is_scripting_enabled());
+	// Only valid if this is either a tool script or a "regular" script.
+	// (so an environment whre scripting is disabled (and not the editor) would not
+	// create objects).
+	return script_data && (is_tool() || ScriptServer::is_scripting_enabled());
 #else
 	return script_data;
 #endif
@@ -199,25 +201,6 @@ ScriptInstance *NativeScript::instance_create(Object *p_this) {
 		return NULL;
 	}
 
-#ifdef TOOLS_ENABLED
-	if (!ScriptServer::is_scripting_enabled() && !is_tool()) {
-		// placeholder for nodes. For tools we want the rool thing.
-
-		PlaceHolderScriptInstance *sins = memnew(PlaceHolderScriptInstance(NSL, Ref<Script>(this), p_this));
-		placeholders.insert(sins);
-
-		if (script_data->create_func.create_func) {
-			script_data->create_func.create_func(
-					(godot_object *)p_this,
-					script_data->create_func.method_data);
-		}
-
-		_update_placeholder(sins);
-
-		return sins;
-	}
-#endif
-
 	NativeScriptInstance *nsi = memnew(NativeScriptInstance);
 
 	nsi->owner = p_this;
@@ -246,6 +229,19 @@ ScriptInstance *NativeScript::instance_create(Object *p_this) {
 	return nsi;
 }
 
+PlaceHolderScriptInstance *NativeScript::placeholder_instance_create(Object *p_this) {
+#ifdef TOOLS_ENABLED
+	PlaceHolderScriptInstance *sins = memnew(PlaceHolderScriptInstance(NSL, Ref<Script>(this), p_this));
+	placeholders.insert(sins);
+
+	_update_placeholder(sins);
+
+	return sins;
+#else
+	return NULL;
+#endif
+}
+
 bool NativeScript::instance_has(const Object *p_this) const {
 	return instance_owners.has((Object *)p_this);
 }
@@ -1036,8 +1032,16 @@ NativeScriptLanguage::~NativeScriptLanguage() {
 
 	for (Map<String, Ref<GDNative> >::Element *L = NSL->library_gdnatives.front(); L; L = L->next()) {
 
-		if (L->get().is_valid())
-			L->get()->terminate();
+		Ref<GDNative> lib = L->get();
+		// only shut down valid libs, duh!
+		if (lib.is_valid()) {
+
+			// If it's a singleton-library then the gdnative module
+			// manages the destruction at engine shutdown, not NativeScript.
+			if (!lib->get_library()->is_singleton()) {
+				lib->terminate();
+			}
+		}
 	}
 
 	NSL->library_classes.clear();
@@ -1641,10 +1645,19 @@ void NativeReloadNode::_notification(int p_what) {
 					continue;
 				}
 
+				// Don't unload what should not be reloaded!
 				if (!gdn->get_library()->is_reloadable()) {
 					continue;
 				}
 
+				// singleton libraries might have alive pointers living inside the
+				// editor. Also reloading a singleton library would mean that
+				// the singleton entry will not be called again, as this only
+				// happens at engine startup.
+				if (gdn->get_library()->is_singleton()) {
+					continue;
+				}
+
 				gdn->terminate();
 			}
 
@@ -1672,6 +1685,12 @@ void NativeReloadNode::_notification(int p_what) {
 					continue;
 				}
 
+				// since singleton libraries are not unloaded there is no point
+				// in loading them again.
+				if (gdn->get_library()->is_singleton()) {
+					continue;
+				}
+
 				if (!gdn->initialize()) {
 					libs_to_remove.insert(L->key());
 					continue;
diff --git a/modules/gdnative/nativescript/nativescript.h b/modules/gdnative/nativescript/nativescript.h
index 8dd5ba3b9c..a6865c6243 100644
--- a/modules/gdnative/nativescript/nativescript.h
+++ b/modules/gdnative/nativescript/nativescript.h
@@ -149,6 +149,7 @@ public:
 
 	virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
 	virtual ScriptInstance *instance_create(Object *p_this);
+	virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this);
 	virtual bool instance_has(const Object *p_this) const;
 
 	virtual bool has_source_code() const;
diff --git a/modules/gdnative/videodecoder/video_stream_gdnative.cpp b/modules/gdnative/videodecoder/video_stream_gdnative.cpp
index d1794b6c36..8fcebe7855 100644
--- a/modules/gdnative/videodecoder/video_stream_gdnative.cpp
+++ b/modules/gdnative/videodecoder/video_stream_gdnative.cpp
@@ -117,18 +117,20 @@ bool VideoStreamPlaybackGDNative::open_file(const String &p_file) {
 	file = FileAccess::open(p_file, FileAccess::READ);
 	bool file_opened = interface->open_file(data_struct, file);
 
-	num_channels = interface->get_channels(data_struct);
-	mix_rate = interface->get_mix_rate(data_struct);
+	if (file_opened) {
+		num_channels = interface->get_channels(data_struct);
+		mix_rate = interface->get_mix_rate(data_struct);
 
-	godot_vector2 vec = interface->get_texture_size(data_struct);
-	texture_size = *(Vector2 *)&vec;
+		godot_vector2 vec = interface->get_texture_size(data_struct);
+		texture_size = *(Vector2 *)&vec;
 
-	pcm = (float *)memalloc(num_channels * AUX_BUFFER_SIZE * sizeof(float));
-	memset(pcm, 0, num_channels * AUX_BUFFER_SIZE * sizeof(float));
-	pcm_write_idx = -1;
-	samples_decoded = 0;
+		pcm = (float *)memalloc(num_channels * AUX_BUFFER_SIZE * sizeof(float));
+		memset(pcm, 0, num_channels * AUX_BUFFER_SIZE * sizeof(float));
+		pcm_write_idx = -1;
+		samples_decoded = 0;
 
-	texture->create((int)texture_size.width, (int)texture_size.height, Image::FORMAT_RGBA8, Texture::FLAG_FILTER | Texture::FLAG_VIDEO_SURFACE);
+		texture->create((int)texture_size.width, (int)texture_size.height, Image::FORMAT_RGBA8, Texture::FLAG_FILTER | Texture::FLAG_VIDEO_SURFACE);
+	}
 
 	return file_opened;
 }
@@ -355,9 +357,9 @@ RES ResourceFormatLoaderVideoStreamGDNative::load(const String &p_path, const St
 		if (r_error) {
 			*r_error = ERR_CANT_OPEN;
 		}
-		memdelete(f);
 		return RES();
 	}
+	memdelete(f);
 	VideoStreamGDNative *stream = memnew(VideoStreamGDNative);
 	stream->set_file(p_path);
 	Ref<VideoStreamGDNative> ogv_stream = Ref<VideoStreamGDNative>(stream);
diff --git a/modules/gdscript/doc_classes/GDScript.xml b/modules/gdscript/doc_classes/GDScript.xml
index 4cefdbd7cb..46796c68eb 100644
--- a/modules/gdscript/doc_classes/GDScript.xml
+++ b/modules/gdscript/doc_classes/GDScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDScript" inherits="Script" category="Core" version="3.1">
+<class name="GDScript" inherits="Script" category="Core" version="3.2">
 	<brief_description>
 		A script implemented in the GDScript programming language.
 	</brief_description>
diff --git a/modules/gdscript/doc_classes/GDScriptFunctionState.xml b/modules/gdscript/doc_classes/GDScriptFunctionState.xml
index c205cedef5..f38f39b612 100644
--- a/modules/gdscript/doc_classes/GDScriptFunctionState.xml
+++ b/modules/gdscript/doc_classes/GDScriptFunctionState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDScriptFunctionState" inherits="Reference" category="Core" version="3.1">
+<class name="GDScriptFunctionState" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		State of a function call after yielding.
 	</brief_description>
diff --git a/modules/gdscript/doc_classes/GDScriptNativeClass.xml b/modules/gdscript/doc_classes/GDScriptNativeClass.xml
index 90935b5c22..e86b69c31c 100644
--- a/modules/gdscript/doc_classes/GDScriptNativeClass.xml
+++ b/modules/gdscript/doc_classes/GDScriptNativeClass.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GDScriptNativeClass" inherits="Reference" category="Core" version="3.1">
+<class name="GDScriptNativeClass" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
index 670aabc34c..4385cf12ad 100644
--- a/modules/gdscript/gdscript.cpp
+++ b/modules/gdscript/gdscript.cpp
@@ -1965,7 +1965,7 @@ String GDScriptWarning::get_message() const {
 			return "Assignment operation, but the function '" + symbols[0] + "()' returns void.";
 		} break;
 		case NARROWING_CONVERSION: {
-			return "Narrowing coversion (float is converted to int and lose precision).";
+			return "Narrowing conversion (float is converted to int and loses precision).";
 		} break;
 		case FUNCTION_MAY_YIELD: {
 			CHECK_SYMBOLS(1);
diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp
index b2b7b1c260..ae67521749 100644
--- a/modules/gdscript/gdscript_compiler.cpp
+++ b/modules/gdscript/gdscript_compiler.cpp
@@ -139,17 +139,32 @@ GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::D
 			result.native_type = result.script_type->get_instance_base_type();
 		} break;
 		case GDScriptParser::DataType::CLASS: {
-			result.kind = GDScriptDataType::GDSCRIPT;
-			if (!p_datatype.class_type->owner) {
-				result.script_type = Ref<GDScript>(main_script);
-			} else {
-				result.script_type = class_map[p_datatype.class_type->name];
+			// Locate class by constructing the path to it and following that path
+			GDScriptParser::ClassNode *class_type = p_datatype.class_type;
+			List<StringName> names;
+			while (class_type->owner) {
+				names.push_back(class_type->name);
+				class_type = class_type->owner;
 			}
-			result.native_type = result.script_type->get_instance_base_type();
+
+			Ref<GDScript> script = Ref<GDScript>(main_script);
+			while (names.back()) {
+				if (!script->subclasses.has(names.back()->get())) {
+					ERR_PRINT("Parser bug: Cannot locate datatype class.");
+					result.has_type = false;
+					return GDScriptDataType();
+				}
+				script = script->subclasses[names.back()->get()];
+				names.pop_back();
+			}
+
+			result.kind = GDScriptDataType::GDSCRIPT;
+			result.script_type = script;
+			result.native_type = script->get_instance_base_type();
 		} break;
 		default: {
 			ERR_PRINT("Parser bug: converting unresolved type.");
-			result.has_type = false;
+			return GDScriptDataType();
 		}
 	}
 
@@ -460,12 +475,14 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser::
 				codegen.alloc_stack(slevel);
 			}
 
-			switch (cn->cast_type.kind) {
-				case GDScriptParser::DataType::BUILTIN: {
+			GDScriptDataType cast_type = _gdtype_from_datatype(cn->cast_type);
+
+			switch (cast_type.kind) {
+				case GDScriptDataType::BUILTIN: {
 					codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_BUILTIN);
 					codegen.opcodes.push_back(cn->cast_type.builtin_type);
 				} break;
-				case GDScriptParser::DataType::NATIVE: {
+				case GDScriptDataType::NATIVE: {
 					int class_idx;
 					if (GDScriptLanguage::get_singleton()->get_global_map().has(cn->cast_type.native_type)) {
 
@@ -478,32 +495,8 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser::
 					codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_NATIVE); // perform operator
 					codegen.opcodes.push_back(class_idx); // variable type
 				} break;
-				case GDScriptParser::DataType::CLASS: {
-
-					Variant script;
-					int idx = -1;
-					if (!cn->cast_type.class_type->owner) {
-						script = codegen.script;
-					} else {
-						StringName name = cn->cast_type.class_type->name;
-						if (codegen.script->subclasses.has(name) && class_map[name] == codegen.script->subclasses[name]) {
-							idx = codegen.get_name_map_pos(name);
-							idx |= GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT << GDScriptFunction::ADDR_BITS;
-						} else {
-							script = class_map[name];
-						}
-					}
-
-					if (idx < 0) {
-						idx = codegen.get_constant_pos(script);
-						idx |= GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS; //make it a local constant (faster access)
-					}
-
-					codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_SCRIPT); // perform operator
-					codegen.opcodes.push_back(idx); // variable type
-				} break;
-				case GDScriptParser::DataType::SCRIPT:
-				case GDScriptParser::DataType::GDSCRIPT: {
+				case GDScriptDataType::SCRIPT:
+				case GDScriptDataType::GDSCRIPT: {
 
 					Variant script = cn->cast_type.script_type;
 					int idx = codegen.get_constant_pos(script);
@@ -1149,18 +1142,18 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser::
 						if (src_address_b < 0)
 							return -1;
 
-						GDScriptParser::DataType assign_type = on->arguments[0]->get_datatype();
+						GDScriptDataType assign_type = _gdtype_from_datatype(on->arguments[0]->get_datatype());
 
 						if (assign_type.has_type && !on->arguments[1]->get_datatype().has_type) {
 							// Typed assignment
 							switch (assign_type.kind) {
-								case GDScriptParser::DataType::BUILTIN: {
+								case GDScriptDataType::BUILTIN: {
 									codegen.opcodes.push_back(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN); // perform operator
 									codegen.opcodes.push_back(assign_type.builtin_type); // variable type
 									codegen.opcodes.push_back(dst_address_a); // argument 1
 									codegen.opcodes.push_back(src_address_b); // argument 2
 								} break;
-								case GDScriptParser::DataType::NATIVE: {
+								case GDScriptDataType::NATIVE: {
 									int class_idx;
 									if (GDScriptLanguage::get_singleton()->get_global_map().has(assign_type.native_type)) {
 
@@ -1175,34 +1168,8 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser::
 									codegen.opcodes.push_back(dst_address_a); // argument 1
 									codegen.opcodes.push_back(src_address_b); // argument 2
 								} break;
-								case GDScriptParser::DataType::CLASS: {
-
-									Variant script;
-									int idx = -1;
-									if (!assign_type.class_type->owner) {
-										script = codegen.script;
-									} else {
-										StringName name = assign_type.class_type->name;
-										if (codegen.script->subclasses.has(name) && class_map[name] == codegen.script->subclasses[name]) {
-											idx = codegen.get_name_map_pos(name);
-											idx |= GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT << GDScriptFunction::ADDR_BITS;
-										} else {
-											script = class_map[name];
-										}
-									}
-
-									if (idx < 0) {
-										idx = codegen.get_constant_pos(script);
-										idx |= GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS; //make it a local constant (faster access)
-									}
-
-									codegen.opcodes.push_back(GDScriptFunction::OPCODE_ASSIGN_TYPED_SCRIPT); // perform operator
-									codegen.opcodes.push_back(idx); // variable type
-									codegen.opcodes.push_back(dst_address_a); // argument 1
-									codegen.opcodes.push_back(src_address_b); // argument 2
-								} break;
-								case GDScriptParser::DataType::SCRIPT:
-								case GDScriptParser::DataType::GDSCRIPT: {
+								case GDScriptDataType::SCRIPT:
+								case GDScriptDataType::GDSCRIPT: {
 
 									Variant script = assign_type.script_type;
 									int idx = codegen.get_constant_pos(script);
@@ -1396,11 +1363,6 @@ Error GDScriptCompiler::_parse_block(CodeGen &codegen, const GDScriptParser::Blo
 
 					case GDScriptParser::ControlFlowNode::CF_IF: {
 
-#ifdef DEBUG_ENABLED
-						codegen.opcodes.push_back(GDScriptFunction::OPCODE_LINE);
-						codegen.opcodes.push_back(cf->line);
-						codegen.current_line = cf->line;
-#endif
 						int ret2 = _parse_expression(codegen, cf->arguments[0], p_stack_level, false);
 						if (ret2 < 0)
 							return ERR_PARSE_ERROR;
@@ -1850,22 +1812,21 @@ Error GDScriptCompiler::_parse_function(GDScript *p_script, const GDScriptParser
 	return OK;
 }
 
-Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
+Error GDScriptCompiler::_parse_class_level(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
+
+	parsing_classes.insert(p_script);
 
 	if (p_class->owner && p_class->owner->owner) {
 		// Owner is not root
-		StringName owner_name = p_class->owner->name;
-		if (!parsed_classes.has(owner_name)) {
-			if (parsing_classes.has(owner_name)) {
-				_set_error("Cyclic class reference for '" + String(owner_name) + "'.", p_class);
+		if (!parsed_classes.has(p_script->_owner)) {
+			if (parsing_classes.has(p_script->_owner)) {
+				_set_error("Cyclic class reference for '" + String(p_class->name) + "'.", p_class);
 				return ERR_PARSE_ERROR;
 			}
-			parsing_classes.insert(owner_name);
-			Error err = _parse_class_level(class_map[owner_name].ptr(), class_map[owner_name]->_owner, p_class->owner, p_keep_state);
+			Error err = _parse_class_level(p_script->_owner, p_class->owner, p_keep_state);
 			if (err) {
 				return err;
 			}
-			parsing_classes.erase(owner_name);
 		}
 	}
 
@@ -1883,47 +1844,26 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner
 	p_script->_signals.clear();
 	p_script->initializer = NULL;
 
-	p_script->subclasses.clear();
-	p_script->_owner = p_owner;
 	p_script->tool = p_class->tool;
 	p_script->name = p_class->name;
 
 	Ref<GDScriptNativeClass> native;
 
+	GDScriptDataType base_type = _gdtype_from_datatype(p_class->base_type);
 	// Inheritance
-	switch (p_class->base_type.kind) {
-		case GDScriptParser::DataType::CLASS: {
-			StringName base_name = p_class->base_type.class_type->name;
-			// Make sure dependency is parsed first
-			if (!parsed_classes.has(base_name)) {
-				if (parsing_classes.has(base_name)) {
-					_set_error("Cyclic class reference for '" + String(base_name) + "'.", p_class);
-					return ERR_PARSE_ERROR;
-				}
-				parsing_classes.insert(base_name);
-				Error err = _parse_class_level(class_map[base_name].ptr(), class_map[base_name]->_owner, p_class->base_type.class_type, p_keep_state);
-				if (err) {
-					return err;
-				}
-				parsing_classes.erase(base_name);
-			}
-			Ref<GDScript> base = class_map[base_name];
-			p_script->base = base;
-			p_script->_base = p_script->base.ptr();
-			p_script->member_indices = base->member_indices;
-		} break;
-		case GDScriptParser::DataType::GDSCRIPT: {
-			Ref<GDScript> base = p_class->base_type.script_type;
-			p_script->base = base;
-			p_script->_base = p_script->base.ptr();
-			p_script->member_indices = base->member_indices;
-		} break;
-		case GDScriptParser::DataType::NATIVE: {
-			int native_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_class->base_type.native_type];
+	switch (base_type.kind) {
+		case GDScriptDataType::NATIVE: {
+			int native_idx = GDScriptLanguage::get_singleton()->get_global_map()[base_type.native_type];
 			native = GDScriptLanguage::get_singleton()->get_global_array()[native_idx];
 			ERR_FAIL_COND_V(native.is_null(), ERR_BUG);
 			p_script->native = native;
 		} break;
+		case GDScriptDataType::GDSCRIPT: {
+			Ref<GDScript> base = base_type.script_type;
+			p_script->base = base;
+			p_script->_base = base.ptr();
+			p_script->member_indices = base->member_indices;
+		} break;
 		default: {
 			_set_error("Parser bug: invalid inheritance.", p_class);
 			return ERR_BUG;
@@ -2017,24 +1957,19 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner
 		p_script->_signals[name] = p_class->_signals[i].arguments;
 	}
 
-	if (p_class->owner) {
-		parsed_classes.insert(p_class->name);
-		if (parsing_classes.has(p_class->name)) {
-			parsing_classes.erase(p_class->name);
-		}
-	}
+	parsed_classes.insert(p_script);
+	parsing_classes.erase(p_script);
 
 	//parse sub-classes
 
 	for (int i = 0; i < p_class->subclasses.size(); i++) {
 		StringName name = p_class->subclasses[i]->name;
 
-		Ref<GDScript> subclass = class_map[name];
+		GDScript *subclass = p_script->subclasses[name].ptr();
 
 		// Subclass might still be parsing, just skip it
-		if (!parsed_classes.has(name) && !parsing_classes.has(name)) {
-			parsing_classes.insert(name);
-			Error err = _parse_class_level(subclass.ptr(), p_script, p_class->subclasses[i], p_keep_state);
+		if (!parsed_classes.has(subclass) && !parsing_classes.has(subclass)) {
+			Error err = _parse_class_level(subclass, p_class->subclasses[i], p_keep_state);
 			if (err)
 				return err;
 		}
@@ -2045,7 +1980,6 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner
 #endif
 
 		p_script->constants.insert(name, subclass); //once parsed, goes to the list of constants
-		p_script->subclasses.insert(name, subclass);
 	}
 
 	return OK;
@@ -2144,9 +2078,9 @@ Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptPa
 
 	for (int i = 0; i < p_class->subclasses.size(); i++) {
 		StringName name = p_class->subclasses[i]->name;
-		Ref<GDScript> subclass = class_map[name];
+		GDScript *subclass = p_script->subclasses[name].ptr();
 
-		Error err = _parse_class_blocks(subclass.ptr(), p_class->subclasses[i], p_keep_state);
+		Error err = _parse_class_blocks(subclass, p_class->subclasses[i], p_keep_state);
 		if (err) {
 			return err;
 		}
@@ -2156,7 +2090,7 @@ Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptPa
 	return OK;
 }
 
-void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
+void GDScriptCompiler::_make_scripts(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
 
 	Map<StringName, Ref<GDScript> > old_subclasses;
 
@@ -2164,6 +2098,8 @@ void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptPar
 		old_subclasses = p_script->subclasses;
 	}
 
+	p_script->subclasses.clear();
+
 	for (int i = 0; i < p_class->subclasses.size(); i++) {
 		StringName name = p_class->subclasses[i]->name;
 
@@ -2175,10 +2111,10 @@ void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptPar
 			subclass.instance();
 		}
 
-		subclass->_owner = const_cast<GDScript *>(p_script);
-		class_map.insert(name, subclass);
+		subclass->_owner = p_script;
+		p_script->subclasses.insert(name, subclass);
 
-		_make_scripts(subclass.ptr(), p_class->subclasses[i], p_keep_state);
+		_make_scripts(subclass.ptr(), p_class->subclasses[i], false);
 	}
 }
 
@@ -2197,7 +2133,8 @@ Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_scri
 	// Create scripts for subclasses beforehand so they can be referenced
 	_make_scripts(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
 
-	Error err = _parse_class_level(p_script, NULL, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
+	p_script->_owner = NULL;
+	Error err = _parse_class_level(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
 
 	if (err)
 		return err;
diff --git a/modules/gdscript/gdscript_compiler.h b/modules/gdscript/gdscript_compiler.h
index 8440807a56..2cf630ba72 100644
--- a/modules/gdscript/gdscript_compiler.h
+++ b/modules/gdscript/gdscript_compiler.h
@@ -38,9 +38,8 @@
 class GDScriptCompiler {
 
 	const GDScriptParser *parser;
-	Map<StringName, Ref<GDScript> > class_map;
-	Set<StringName> parsed_classes;
-	Set<StringName> parsing_classes;
+	Set<GDScript *> parsed_classes;
+	Set<GDScript *> parsing_classes;
 	GDScript *main_script;
 	struct CodeGen {
 
@@ -149,9 +148,9 @@ class GDScriptCompiler {
 	int _parse_expression(CodeGen &codegen, const GDScriptParser::Node *p_expression, int p_stack_level, bool p_root = false, bool p_initializer = false);
 	Error _parse_block(CodeGen &codegen, const GDScriptParser::BlockNode *p_block, int p_stack_level = 0, int p_break_addr = -1, int p_continue_addr = -1);
 	Error _parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false);
-	Error _parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
+	Error _parse_class_level(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
 	Error _parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
-	void _make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
+	void _make_scripts(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
 	int err_line;
 	int err_column;
 	StringName source;
diff --git a/modules/gdscript/gdscript_functions.cpp b/modules/gdscript/gdscript_functions.cpp
index 44d44462ca..46c9efd54f 100644
--- a/modules/gdscript/gdscript_functions.cpp
+++ b/modules/gdscript/gdscript_functions.cpp
@@ -768,11 +768,30 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_
 			(void)VariantParser::parse(&ss, r_ret, errs, line);
 		} break;
 		case VAR_TO_BYTES: {
-			VALIDATE_ARG_COUNT(1);
+			bool full_objects = false;
+			if (p_arg_count < 1) {
+				r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+				r_error.argument = 1;
+				r_ret = Variant();
+				return;
+			} else if (p_arg_count > 2) {
+				r_error.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
+				r_error.argument = 2;
+				r_ret = Variant();
+			} else if (p_arg_count == 2) {
+				if (p_args[1]->get_type() != Variant::BOOL) {
+					r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument = 1;
+					r_error.expected = Variant::BOOL;
+					r_ret = Variant();
+					return;
+				}
+				full_objects = *p_args[1];
+			}
 
 			PoolByteArray barr;
 			int len;
-			Error err = encode_variant(*p_args[0], NULL, len);
+			Error err = encode_variant(*p_args[0], NULL, len, full_objects);
 			if (err) {
 				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
 				r_error.argument = 0;
@@ -784,15 +803,35 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_
 			barr.resize(len);
 			{
 				PoolByteArray::Write w = barr.write();
-				encode_variant(*p_args[0], w.ptr(), len);
+				encode_variant(*p_args[0], w.ptr(), len, full_objects);
 			}
 			r_ret = barr;
 		} break;
 		case BYTES_TO_VAR: {
-			VALIDATE_ARG_COUNT(1);
+			bool allow_objects = false;
+			if (p_arg_count < 1) {
+				r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+				r_error.argument = 1;
+				r_ret = Variant();
+				return;
+			} else if (p_arg_count > 2) {
+				r_error.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
+				r_error.argument = 2;
+				r_ret = Variant();
+			} else if (p_arg_count == 2) {
+				if (p_args[1]->get_type() != Variant::BOOL) {
+					r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+					r_error.argument = 1;
+					r_error.expected = Variant::BOOL;
+					r_ret = Variant();
+					return;
+				}
+				allow_objects = *p_args[1];
+			}
+
 			if (p_args[0]->get_type() != Variant::POOL_BYTE_ARRAY) {
 				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
-				r_error.argument = 0;
+				r_error.argument = 1;
 				r_error.expected = Variant::POOL_BYTE_ARRAY;
 				r_ret = Variant();
 				return;
@@ -802,7 +841,7 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_
 			Variant ret;
 			{
 				PoolByteArray::Read r = varr.read();
-				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL);
+				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL, allow_objects);
 				if (err != OK) {
 					r_ret = RTR("Not enough bytes for decoding bytes, or invalid format.");
 					r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
@@ -1805,13 +1844,15 @@ MethodInfo GDScriptFunctions::get_info(Function p_func) {
 		} break;
 		case VAR_TO_BYTES: {
 
-			MethodInfo mi("var2bytes", PropertyInfo(Variant::NIL, "var", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT));
+			MethodInfo mi("var2bytes", PropertyInfo(Variant::NIL, "var", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT), PropertyInfo(Variant::BOOL, "full_objects"));
+			mi.default_arguments.push_back(false);
 			mi.return_val.type = Variant::POOL_BYTE_ARRAY;
 			return mi;
 		} break;
 		case BYTES_TO_VAR: {
 
-			MethodInfo mi(Variant::NIL, "bytes2var", PropertyInfo(Variant::POOL_BYTE_ARRAY, "bytes"));
+			MethodInfo mi(Variant::NIL, "bytes2var", PropertyInfo(Variant::POOL_BYTE_ARRAY, "bytes"), PropertyInfo(Variant::BOOL, "allow_objects"));
+			mi.default_arguments.push_back(false);
 			mi.return_val.type = Variant::NIL;
 			mi.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
 			return mi;
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index 5619729c13..e75b8a14a3 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -777,7 +777,8 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
 								}
 								_add_warning(GDScriptWarning::UNASSIGNED_VARIABLE_OP_ASSIGN, -1, identifier.operator String());
 							}
-						} // fallthrough
+							FALLTHROUGH;
+						}
 						case GDScriptTokenizer::TK_OP_ASSIGN: {
 							lv->assignments += 1;
 							lv->usages--; // Assignment is not really usage
@@ -815,6 +816,16 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
 				}
 
 				if (!dependencies_only) {
+					if (!bfn && ScriptServer::is_global_class(identifier)) {
+						Ref<Script> scr = ResourceLoader::load(ScriptServer::get_global_class_path(identifier));
+						if (scr.is_valid() && scr->is_valid()) {
+							ConstantNode *constant = alloc_node<ConstantNode>();
+							constant->value = scr;
+							expr = constant;
+							bfn = true;
+						}
+					}
+
 					// Check parents for the constant
 					if (!bfn && cln->extends_file != StringName()) {
 						Ref<GDScript> parent = ResourceLoader::load(cln->extends_file);
@@ -2215,6 +2226,8 @@ GDScriptParser::PatternNode *GDScriptParser::_parse_pattern(bool p_static) {
 void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBranchNode *> &p_branches, bool p_static) {
 	int indent_level = tab_level.back()->get();
 
+	p_block->has_return = true;
+
 	while (true) {
 
 		while (tokenizer->get_token() == GDScriptTokenizer::TK_NEWLINE && _parse_newline())
@@ -2272,8 +2285,8 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran
 
 		current_block = p_block;
 
-		if (catch_all && branch->body->has_return) {
-			p_block->has_return = true;
+		if (!branch->body->has_return) {
+			p_block->has_return = false;
 		}
 
 		p_branches.push_back(branch);
@@ -2731,6 +2744,8 @@ void GDScriptParser::_parse_block(BlockNode *p_block, bool p_static) {
 			} break;
 			case GDScriptTokenizer::TK_NEWLINE: {
 
+				int line = tokenizer->get_token_line();
+
 				if (!_parse_newline()) {
 					if (!error_set) {
 						p_block->end_line = tokenizer->get_token_line();
@@ -2740,7 +2755,7 @@ void GDScriptParser::_parse_block(BlockNode *p_block, bool p_static) {
 				}
 
 				NewLineNode *nl2 = alloc_node<NewLineNode>();
-				nl2->line = tokenizer->get_token_line();
+				nl2->line = line;
 				p_block->statements.push_back(nl2);
 
 			} break;
@@ -3622,7 +3637,8 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 					return;
 				}
 
-			}; //fallthrough to function
+				FALLTHROUGH;
+			}
 			case GDScriptTokenizer::TK_PR_FUNCTION: {
 
 				bool _static = false;
@@ -4072,7 +4088,8 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 										break;
 									}
 
-								}; //fallthrough to use the same
+									FALLTHROUGH;
+								}
 								case Variant::REAL: {
 
 									if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "EASE") {
@@ -4497,6 +4514,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 #ifdef DEBUG_ENABLED
 				_add_warning(GDScriptWarning::DEPRECATED_KEYWORD, tokenizer->get_token_line(), "slave", "puppet");
 #endif
+				FALLTHROUGH;
 			case GDScriptTokenizer::TK_PR_PUPPET: {
 
 				//may be fallthrough from export, ignore if so
@@ -4564,7 +4582,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 				continue;
 			} break;
 			case GDScriptTokenizer::TK_PR_VAR: {
-				//variale declaration and (eventual) initialization
+				// variable declaration and (eventual) initialization
 
 				ClassNode::Member member;
 
@@ -5276,7 +5294,8 @@ String GDScriptParser::DataType::to_string() const {
 			if (!gds_class.empty()) {
 				return gds_class;
 			}
-		} // fallthrough
+			FALLTHROUGH;
+		}
 		case SCRIPT: {
 			if (is_meta_type) {
 				return script_type->get_class_name().operator String();
@@ -7247,6 +7266,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType
 				DataType result;
 				result.has_type = true;
 				result.script_type = scr;
+				result.is_constant = true;
 				result.is_meta_type = true;
 				Ref<GDScript> gds = scr;
 				if (gds.is_valid()) {
@@ -7297,6 +7317,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType
 				if (singleton.is_valid()) {
 					DataType result;
 					result.has_type = true;
+					result.is_constant = true;
 					result.script_type = singleton;
 
 					Ref<GDScript> gds = singleton;
@@ -8030,7 +8051,8 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) {
 				if (cn->value.get_type() == Variant::STRING) {
 					break;
 				}
-			} // falthrough
+				FALLTHROUGH;
+			}
 			default: {
 				_mark_line_as_safe(statement->line);
 				_reduce_node_type(statement); // Test for safety anyway
diff --git a/modules/gdscript/gdscript_tokenizer.cpp b/modules/gdscript/gdscript_tokenizer.cpp
index 8b22d6f085..abc739d645 100644
--- a/modules/gdscript/gdscript_tokenizer.cpp
+++ b/modules/gdscript/gdscript_tokenizer.cpp
@@ -744,7 +744,7 @@ void GDScriptTokenizerText::_advance() {
 				}
 				INCPOS(1);
 				is_node_path = true;
-
+				FALLTHROUGH;
 			case '\'':
 			case '"': {
 
@@ -1199,7 +1199,8 @@ Error GDScriptTokenizerBuffer::set_code_buffer(const Vector<uint8_t> &p_buffer)
 
 		Variant v;
 		int len;
-		Error err = decode_variant(v, b, total_len, &len);
+		// An object cannot be constant, never decode objects
+		Error err = decode_variant(v, b, total_len, &len, false);
 		if (err)
 			return err;
 		b += len;
@@ -1367,11 +1368,12 @@ Vector<uint8_t> GDScriptTokenizerBuffer::parse_code_string(const String &p_code)
 	for (Map<int, Variant>::Element *E = rev_constant_map.front(); E; E = E->next()) {
 
 		int len;
-		Error err = encode_variant(E->get(), NULL, len);
+		// Objects cannot be constant, never encode objects
+		Error err = encode_variant(E->get(), NULL, len, false);
 		ERR_FAIL_COND_V(err != OK, Vector<uint8_t>());
 		int pos = buf.size();
 		buf.resize(pos + len);
-		encode_variant(E->get(), &buf.write[pos], len);
+		encode_variant(E->get(), &buf.write[pos], len, false);
 	}
 
 	for (Map<int, uint32_t>::Element *E = rev_line_map.front(); E; E = E->next()) {
diff --git a/modules/gridmap/doc_classes/GridMap.xml b/modules/gridmap/doc_classes/GridMap.xml
index 2ea116d79b..655be4eb20 100644
--- a/modules/gridmap/doc_classes/GridMap.xml
+++ b/modules/gridmap/doc_classes/GridMap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GridMap" inherits="Spatial" category="Core" version="3.1">
+<class name="GridMap" inherits="Spatial" category="Core" version="3.2">
 	<brief_description>
 		Node for 3D tile-based maps.
 	</brief_description>
diff --git a/modules/gridmap/grid_map.cpp b/modules/gridmap/grid_map.cpp
index fe1eac6dc9..32a014e76d 100644
--- a/modules/gridmap/grid_map.cpp
+++ b/modules/gridmap/grid_map.cpp
@@ -517,7 +517,7 @@ bool GridMap::_octant_update(const OctantKey &p_key) {
 		Ref<NavigationMesh> navmesh = mesh_library->get_item_navmesh(c.item);
 		if (navmesh.is_valid()) {
 			Octant::NavMesh nm;
-			nm.xform = xform;
+			nm.xform = xform * mesh_library->get_item_navmesh_transform(c.item);
 
 			if (navigation) {
 				nm.id = navigation->navmesh_add(navmesh, xform, this);
diff --git a/modules/gridmap/grid_map_editor_plugin.cpp b/modules/gridmap/grid_map_editor_plugin.cpp
index bc7a576785..17eb6f674c 100644
--- a/modules/gridmap/grid_map_editor_plugin.cpp
+++ b/modules/gridmap/grid_map_editor_plugin.cpp
@@ -717,6 +717,26 @@ void GridMapEditor::_set_display_mode(int p_mode) {
 	update_palette();
 }
 
+void GridMapEditor::_text_changed(const String &p_text) {
+	update_palette();
+}
+
+void GridMapEditor::_sbox_input(const Ref<InputEvent> &p_ie) {
+
+	Ref<InputEventKey> k = p_ie;
+
+	if (k.is_valid() && (k->get_scancode() == KEY_UP || k->get_scancode() == KEY_DOWN || k->get_scancode() == KEY_PAGEUP || k->get_scancode() == KEY_PAGEDOWN)) {
+
+		mesh_library_palette->call("_gui_input", k);
+		search_box->accept_event();
+	}
+}
+
+void GridMapEditor::_icon_size_changed(float p_value) {
+	mesh_library_palette->set_icon_scale(p_value);
+	update_palette();
+}
+
 void GridMapEditor::update_palette() {
 	int selected = mesh_library_palette->get_current();
 
@@ -730,8 +750,9 @@ void GridMapEditor::update_palette() {
 	}
 
 	float min_size = EDITOR_DEF("editors/grid_map/preview_size", 64);
+	min_size *= EDSCALE;
 	mesh_library_palette->set_fixed_icon_size(Size2(min_size, min_size));
-	mesh_library_palette->set_fixed_column_width(min_size * 3 / 2);
+	mesh_library_palette->set_fixed_column_width(min_size * MAX(size_slider->get_value(), 1.5));
 	mesh_library_palette->set_max_text_lines(2);
 
 	Ref<MeshLibrary> mesh_library = node->get_mesh_library();
@@ -754,23 +775,28 @@ void GridMapEditor::update_palette() {
 	}
 	il.sort();
 
+	String filter = search_box->get_text().strip_edges();
+
 	int item = 0;
 
 	for (List<_CGMEItemSort>::Element *E = il.front(); E; E = E->next()) {
 		int id = E->get().id;
-
-		mesh_library_palette->add_item("");
-
 		String name = mesh_library->get_item_name(id);
 		Ref<Texture> preview = mesh_library->get_item_preview(id);
 
+		if (name == "") {
+			name = "#" + itos(id);
+		}
+
+		if (filter != "" && !filter.is_subsequence_ofi(name))
+			continue;
+
+		mesh_library_palette->add_item("");
 		if (!preview.is_null()) {
 			mesh_library_palette->set_item_icon(item, preview);
 			mesh_library_palette->set_item_tooltip(item, name);
 		}
-		if (name != "") {
-			mesh_library_palette->set_item_text(item, name);
-		}
+		mesh_library_palette->set_item_text(item, name);
 		mesh_library_palette->set_item_metadata(item, id);
 
 		item++;
@@ -985,6 +1011,7 @@ void GridMapEditor::_notification(int p_what) {
 
 		case NOTIFICATION_THEME_CHANGED: {
 			options->set_icon(get_icon("GridMap", "EditorIcons"));
+			search_box->set_right_icon(get_icon("Search", "EditorIcons"));
 		} break;
 	}
 }
@@ -1031,6 +1058,9 @@ void GridMapEditor::_floor_changed(float p_value) {
 
 void GridMapEditor::_bind_methods() {
 
+	ClassDB::bind_method("_text_changed", &GridMapEditor::_text_changed);
+	ClassDB::bind_method("_sbox_input", &GridMapEditor::_sbox_input);
+	ClassDB::bind_method("_icon_size_changed", &GridMapEditor::_icon_size_changed);
 	ClassDB::bind_method("_menu_option", &GridMapEditor::_menu_option);
 	ClassDB::bind_method("_configure", &GridMapEditor::_configure);
 	ClassDB::bind_method("_item_selected_cbk", &GridMapEditor::_item_selected_cbk);
@@ -1132,6 +1162,12 @@ GridMapEditor::GridMapEditor(EditorNode *p_editor) {
 	add_child(hb);
 	hb->set_h_size_flags(SIZE_EXPAND_FILL);
 
+	search_box = memnew(LineEdit);
+	search_box->set_h_size_flags(SIZE_EXPAND_FILL);
+	hb->add_child(search_box);
+	search_box->connect("text_changed", this, "_text_changed");
+	search_box->connect("gui_input", this, "_sbox_input");
+
 	mode_thumbnail = memnew(ToolButton);
 	mode_thumbnail->set_toggle_mode(true);
 	mode_thumbnail->set_pressed(true);
@@ -1146,6 +1182,15 @@ GridMapEditor::GridMapEditor(EditorNode *p_editor) {
 	hb->add_child(mode_list);
 	mode_list->connect("pressed", this, "_set_display_mode", varray(DISPLAY_LIST));
 
+	size_slider = memnew(HSlider);
+	size_slider->set_h_size_flags(SIZE_EXPAND_FILL);
+	size_slider->set_min(0.1f);
+	size_slider->set_max(4.0f);
+	size_slider->set_step(0.1f);
+	size_slider->set_value(1.0f);
+	size_slider->connect("value_changed", this, "_icon_size_changed");
+	add_child(size_slider);
+
 	EDITOR_DEF("editors/grid_map/preview_size", 64);
 
 	display_mode = DISPLAY_THUMBNAIL;
diff --git a/modules/gridmap/grid_map_editor_plugin.h b/modules/gridmap/grid_map_editor_plugin.h
index 81a21a76ae..59b8ac13da 100644
--- a/modules/gridmap/grid_map_editor_plugin.h
+++ b/modules/gridmap/grid_map_editor_plugin.h
@@ -79,6 +79,8 @@ class GridMapEditor : public VBoxContainer {
 	double accumulated_floor_delta;
 	ToolButton *mode_thumbnail;
 	ToolButton *mode_list;
+	LineEdit *search_box;
+	HSlider *size_slider;
 	HBoxContainer *spatial_editor_hb;
 	ConfirmationDialog *settings_dialog;
 	VBoxContainer *settings_vbc;
@@ -193,6 +195,11 @@ class GridMapEditor : public VBoxContainer {
 	void _update_cursor_instance();
 	void _update_clip();
 
+	void _text_changed(const String &p_text);
+	void _sbox_input(const Ref<InputEvent> &p_ie);
+
+	void _icon_size_changed(float p_value);
+
 	void _update_duplicate_indicator();
 	void _duplicate_paste();
 	void _update_selection_transform();
diff --git a/modules/mobile_vr/doc_classes/MobileVRInterface.xml b/modules/mobile_vr/doc_classes/MobileVRInterface.xml
index 359d654433..0a75ad4784 100644
--- a/modules/mobile_vr/doc_classes/MobileVRInterface.xml
+++ b/modules/mobile_vr/doc_classes/MobileVRInterface.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="MobileVRInterface" inherits="ARVRInterface" category="Core" version="3.1">
+<class name="MobileVRInterface" inherits="ARVRInterface" category="Core" version="3.2">
 	<brief_description>
 		Generic mobile VR implementation
 	</brief_description>
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 47be3a9959..dfdb4a0b3a 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -499,6 +499,47 @@ String CSharpLanguage::_get_indentation() const {
 	return "\t";
 }
 
+String CSharpLanguage::debug_get_error() const {
+
+	return _debug_error;
+}
+
+int CSharpLanguage::debug_get_stack_level_count() const {
+
+	if (_debug_parse_err_line >= 0)
+		return 1;
+
+	// TODO: StackTrace
+	return 1;
+}
+
+int CSharpLanguage::debug_get_stack_level_line(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return _debug_parse_err_line;
+
+	// TODO: StackTrace
+	return 1;
+}
+
+String CSharpLanguage::debug_get_stack_level_function(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return String();
+
+	// TODO: StackTrace
+	return String();
+}
+
+String CSharpLanguage::debug_get_stack_level_source(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return _debug_parse_err_file;
+
+	// TODO: StackTrace
+	return String();
+}
+
 Vector<ScriptLanguage::StackInfo> CSharpLanguage::debug_get_current_stack_info() {
 
 #ifdef DEBUG_ENABLED
@@ -958,12 +999,11 @@ void CSharpLanguage::thread_exit() {
 
 bool CSharpLanguage::debug_break_parse(const String &p_file, int p_line, const String &p_error) {
 
-	// Break because of parse error
+	// Not a parser error in our case, but it's still used for other type of errors
 	if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
-		// TODO
-		//_debug_parse_err_line = p_line;
-		//_debug_parse_err_file = p_file;
-		//_debug_error = p_error;
+		_debug_parse_err_line = p_line;
+		_debug_parse_err_file = p_file;
+		_debug_error = p_error;
 		ScriptDebugger::get_singleton()->debug(this, false);
 		return true;
 	} else {
@@ -974,10 +1014,9 @@ bool CSharpLanguage::debug_break_parse(const String &p_file, int p_line, const S
 bool CSharpLanguage::debug_break(const String &p_error, bool p_allow_continue) {
 
 	if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
-		// TODO
-		//_debug_parse_err_line = -1;
-		//_debug_parse_err_file = "";
-		//_debug_error = p_error;
+		_debug_parse_err_line = -1;
+		_debug_parse_err_file = "";
+		_debug_error = p_error;
 		ScriptDebugger::get_singleton()->debug(this, p_allow_continue);
 		return true;
 	} else {
@@ -985,6 +1024,13 @@ bool CSharpLanguage::debug_break(const String &p_error, bool p_allow_continue) {
 	}
 }
 
+void CSharpLanguage::_uninitialize_script_bindings() {
+	for (Map<Object *, CSharpScriptBinding>::Element *E = script_bindings.front(); E; E = E->next()) {
+		CSharpScriptBinding &script_binding = E->value();
+		script_binding.inited = false;
+	}
+}
+
 void CSharpLanguage::set_language_index(int p_idx) {
 
 	ERR_FAIL_COND(lang_idx != -1);
@@ -1269,14 +1315,14 @@ bool CSharpInstance::set(const StringName &p_name, const Variant &p_value) {
 	GDMonoClass *top = script->script_class;
 
 	while (top && top != script->native) {
-		GDMonoField *field = script->script_class->get_field(p_name);
+		GDMonoField *field = top->get_field(p_name);
 
 		if (field) {
 			field->set_value_from_variant(mono_object, p_value);
 			return true;
 		}
 
-		GDMonoProperty *property = script->script_class->get_property(p_name);
+		GDMonoProperty *property = top->get_property(p_name);
 
 		if (property) {
 			property->set_value(mono_object, GDMonoMarshal::variant_to_mono_object(p_value, property->get_type()));
@@ -1531,7 +1577,7 @@ MonoObject *CSharpInstance::_internal_new_managed() {
 	// Search the constructor first, to fail with an error if it's not found before allocating anything else.
 	GDMonoMethod *ctor = script->script_class->get_method(CACHED_STRING_NAME(dotctor), 0);
 	if (ctor == NULL) {
-		ERR_PRINTS("Cannot create script instance because the class does not define a default constructor: " + script->get_path());
+		ERR_PRINTS("Cannot create script instance because the class does not define a parameterless constructor: " + script->get_path());
 
 		ERR_EXPLAIN("Constructor not found");
 		ERR_FAIL_V(NULL);
@@ -1887,6 +1933,9 @@ void CSharpScript::_update_exports_values(Map<StringName, Variant> &values, List
 bool CSharpScript::_update_exports() {
 
 #ifdef TOOLS_ENABLED
+	if (!Engine::get_singleton()->is_editor_hint())
+		return false;
+
 	placeholder_fallback_enabled = true; // until proven otherwise
 
 	if (!valid)
@@ -1917,7 +1966,7 @@ bool CSharpScript::_update_exports() {
 		GDMonoMethod *ctor = script_class->get_method(CACHED_STRING_NAME(dotctor), 0);
 
 		if (ctor == NULL) {
-			ERR_PRINTS("Cannot construct temporary MonoObject because the class does not define a default constructor: " + get_path());
+			ERR_PRINTS("Cannot construct temporary MonoObject because the class does not define a parameterless constructor: " + get_path());
 
 			ERR_EXPLAIN("Constructor not found");
 			ERR_FAIL_V(NULL);
@@ -2203,8 +2252,11 @@ bool CSharpScript::_get_member_export(GDMonoClass *p_class, IMonoClassMember *p_
 			hint_string = name_only_hint_string;
 		}
 	} else if (variant_type == Variant::OBJECT && CACHED_CLASS(GodotReference)->is_assignable_from(type.type_class)) {
+		GDMonoClass *field_native_class = GDMonoUtils::get_class_native_base(type.type_class);
+		CRASH_COND(field_native_class == NULL);
+
 		hint = PROPERTY_HINT_RESOURCE_TYPE;
-		hint_string = NATIVE_GDMONOCLASS_NAME(type.type_class);
+		hint_string = NATIVE_GDMONOCLASS_NAME(field_native_class);
 	} else {
 		hint = PropertyHint(CACHED_FIELD(ExportAttribute, hint)->get_int_value(attr));
 		hint_string = CACHED_FIELD(ExportAttribute, hintString)->get_string_value(attr);
@@ -2408,7 +2460,7 @@ CSharpInstance *CSharpScript::_create_instance(const Variant **p_args, int p_arg
 	GDMonoMethod *ctor = script_class->get_method(CACHED_STRING_NAME(dotctor), p_argcount);
 	if (ctor == NULL) {
 		if (p_argcount == 0) {
-			ERR_PRINTS("Cannot create script instance because the class does not define a default constructor: " + get_path());
+			ERR_PRINTS("Cannot create script instance because the class does not define a parameterless constructor: " + get_path());
 		}
 
 		ERR_EXPLAIN("Constructor not found");
@@ -2699,6 +2751,7 @@ Error CSharpScript::reload(bool p_keep_state) {
 			}
 
 			load_script_signals(script_class, native);
+			_update_exports();
 		}
 
 		return OK;
diff --git a/modules/mono/csharp_script.h b/modules/mono/csharp_script.h
index 8b1a4b5f7e..99877a4379 100644
--- a/modules/mono/csharp_script.h
+++ b/modules/mono/csharp_script.h
@@ -162,7 +162,7 @@ public:
 	virtual bool has_script_signal(const StringName &p_signal) const;
 	virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
 
-	/* TODO */ virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
+	virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
 	virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
 	virtual void update_exports();
 
@@ -309,6 +309,14 @@ class CSharpLanguage : public ScriptLanguage {
 
 	Dictionary scripts_metadata;
 
+	// For debug_break and debug_break_parse
+	int _debug_parse_err_line;
+	String _debug_parse_err_file;
+	String _debug_error;
+
+	friend class GDMono;
+	void _uninitialize_script_bindings();
+
 public:
 	StringNameCache string_names;
 
@@ -365,11 +373,11 @@ public:
 	/* TODO */ virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) {}
 
 	/* DEBUGGER FUNCTIONS */
-	/* TODO */ virtual String debug_get_error() const { return ""; }
-	/* TODO */ virtual int debug_get_stack_level_count() const { return 1; }
-	/* TODO */ virtual int debug_get_stack_level_line(int p_level) const { return 1; }
-	/* TODO */ virtual String debug_get_stack_level_function(int p_level) const { return ""; }
-	/* TODO */ virtual String debug_get_stack_level_source(int p_level) const { return ""; }
+	virtual String debug_get_error() const;
+	virtual int debug_get_stack_level_count() const;
+	virtual int debug_get_stack_level_line(int p_level) const;
+	virtual String debug_get_stack_level_function(int p_level) const;
+	virtual String debug_get_stack_level_source(int p_level) const;
 	/* TODO */ virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}
 	/* TODO */ virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}
 	/* TODO */ virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}
diff --git a/modules/mono/doc_classes/@C#.xml b/modules/mono/doc_classes/@C#.xml
index 082bc30fd8..a821713d0d 100644
--- a/modules/mono/doc_classes/@C#.xml
+++ b/modules/mono/doc_classes/@C#.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="@C#" category="Core" version="3.1">
+<class name="@C#" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/mono/doc_classes/CSharpScript.xml b/modules/mono/doc_classes/CSharpScript.xml
index a1f7399653..7f22388132 100644
--- a/modules/mono/doc_classes/CSharpScript.xml
+++ b/modules/mono/doc_classes/CSharpScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSharpScript" inherits="Script" category="Core" version="3.1">
+<class name="CSharpScript" inherits="Script" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/mono/doc_classes/GodotSharp.xml b/modules/mono/doc_classes/GodotSharp.xml
index 921c1ca825..21835e639c 100644
--- a/modules/mono/doc_classes/GodotSharp.xml
+++ b/modules/mono/doc_classes/GodotSharp.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="GodotSharp" inherits="Object" category="Core" version="3.1">
+<class name="GodotSharp" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/mono/editor/GodotSharpTools/Build/BuildSystem.cs b/modules/mono/editor/GodotSharpTools/Build/BuildSystem.cs
index 79ef46ebb5..967e3bcc19 100644
--- a/modules/mono/editor/GodotSharpTools/Build/BuildSystem.cs
+++ b/modules/mono/editor/GodotSharpTools/Build/BuildSystem.cs
@@ -92,6 +92,9 @@ namespace GodotSharpTools.Build
 
             bool redirectOutput = !IsDebugMSBuildRequested() && !PrintBuildOutput;
 
+            if (!redirectOutput) // TODO: or if stdout verbose
+                Console.WriteLine($"Running: \"{startInfo.FileName}\" {startInfo.Arguments}");
+
             startInfo.RedirectStandardOutput = redirectOutput;
             startInfo.RedirectStandardError = redirectOutput;
             startInfo.UseShellExecute = false;
@@ -145,6 +148,9 @@ namespace GodotSharpTools.Build
 
             bool redirectOutput = !IsDebugMSBuildRequested() && !PrintBuildOutput;
 
+            if (!redirectOutput) // TODO: or if stdout verbose
+                Console.WriteLine($"Running: \"{startInfo.FileName}\" {startInfo.Arguments}");
+
             startInfo.RedirectStandardOutput = redirectOutput;
             startInfo.RedirectStandardError = redirectOutput;
             startInfo.UseShellExecute = false;
diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp
index 890bea0d1d..84e2303cf6 100644
--- a/modules/mono/editor/bindings_generator.cpp
+++ b/modules/mono/editor/bindings_generator.cpp
@@ -38,6 +38,7 @@
 #include "core/os/dir_access.h"
 #include "core/os/file_access.h"
 #include "core/os/os.h"
+#include "core/string_builder.h"
 #include "core/ucaps.h"
 
 #include "../glue/cs_compressed.gen.h"
@@ -97,7 +98,7 @@
 #define C_METHOD_MONOARRAY_TO(m_type) C_NS_MONOMARSHAL "::mono_array_to_" #m_type
 #define C_METHOD_MONOARRAY_FROM(m_type) C_NS_MONOMARSHAL "::" #m_type "_to_mono_array"
 
-#define BINDINGS_GENERATOR_VERSION UINT32_C(7)
+#define BINDINGS_GENERATOR_VERSION UINT32_C(8)
 
 const char *BindingsGenerator::TypeInterface::DEFAULT_VARARG_C_IN = "\t%0 %1_in = %1;\n";
 
@@ -105,6 +106,16 @@ bool BindingsGenerator::verbose_output = false;
 
 BindingsGenerator *BindingsGenerator::singleton = NULL;
 
+static String fix_doc_description(const String &p_bbcode) {
+
+	// This seems to be the correct way to do this. It's the same EditorHelp does.
+
+	return p_bbcode.dedent()
+			.replace("\t", "")
+			.replace("\r", "")
+			.strip_edges();
+}
+
 static String snake_to_pascal_case(const String &p_identifier, bool p_input_is_upper = false) {
 
 	String ret;
@@ -173,6 +184,457 @@ static String snake_to_camel_case(const String &p_identifier, bool p_input_is_up
 	return ret;
 }
 
+String BindingsGenerator::bbcode_to_xml(const String &p_bbcode, const TypeInterface *p_itype) {
+
+	// Based on the version in EditorHelp
+
+	if (p_bbcode.empty())
+		return String();
+
+	DocData *doc = EditorHelp::get_doc_data();
+
+	String bbcode = p_bbcode;
+
+	StringBuilder xml_output;
+
+	xml_output.append("<para>");
+
+	List<String> tag_stack;
+	bool code_tag = false;
+
+	int pos = 0;
+	while (pos < bbcode.length()) {
+		int brk_pos = bbcode.find("[", pos);
+
+		if (brk_pos < 0)
+			brk_pos = bbcode.length();
+
+		if (brk_pos > pos) {
+			String text = bbcode.substr(pos, brk_pos - pos);
+			if (code_tag || tag_stack.size() > 0) {
+				xml_output.append(text.xml_escape());
+			} else {
+				Vector<String> lines = text.split("\n");
+				for (int i = 0; i < lines.size(); i++) {
+					if (i != 0)
+						xml_output.append("<para>");
+
+					xml_output.append(lines[i].xml_escape());
+
+					if (i != lines.size() - 1)
+						xml_output.append("</para>\n");
+				}
+			}
+		}
+
+		if (brk_pos == bbcode.length())
+			break; // nothing else to add
+
+		int brk_end = bbcode.find("]", brk_pos + 1);
+
+		if (brk_end == -1) {
+			String text = bbcode.substr(brk_pos, bbcode.length() - brk_pos);
+			if (code_tag || tag_stack.size() > 0) {
+				xml_output.append(text.xml_escape());
+			} else {
+				Vector<String> lines = text.split("\n");
+				for (int i = 0; i < lines.size(); i++) {
+					if (i != 0)
+						xml_output.append("<para>");
+
+					xml_output.append(lines[i].xml_escape());
+
+					if (i != lines.size() - 1)
+						xml_output.append("</para>\n");
+				}
+			}
+
+			break;
+		}
+
+		String tag = bbcode.substr(brk_pos + 1, brk_end - brk_pos - 1);
+
+		if (tag.begins_with("/")) {
+			bool tag_ok = tag_stack.size() && tag_stack.front()->get() == tag.substr(1, tag.length());
+
+			if (!tag_ok) {
+				xml_output.append("[");
+				pos = brk_pos + 1;
+				continue;
+			}
+
+			tag_stack.pop_front();
+			pos = brk_end + 1;
+			code_tag = false;
+
+			if (tag == "/url") {
+				xml_output.append("</a>");
+			} else if (tag == "/code") {
+				xml_output.append("</c>");
+			} else if (tag == "/codeblock") {
+				xml_output.append("</code>");
+			}
+		} else if (code_tag) {
+			xml_output.append("[");
+			pos = brk_pos + 1;
+		} else if (tag.begins_with("method ") || tag.begins_with("member ") || tag.begins_with("signal ") || tag.begins_with("enum ") || tag.begins_with("constant ")) {
+			String link_target = tag.substr(tag.find(" ") + 1, tag.length());
+			String link_tag = tag.substr(0, tag.find(" "));
+
+			Vector<String> link_target_parts = link_target.split(".");
+
+			if (link_target_parts.size() <= 0 || link_target_parts.size() > 2) {
+				ERR_PRINTS("Invalid reference format: " + tag);
+
+				xml_output.append("<c>");
+				xml_output.append(tag);
+				xml_output.append("</c>");
+
+				pos = brk_end + 1;
+				continue;
+			}
+
+			const TypeInterface *target_itype;
+			StringName target_cname;
+
+			if (link_target_parts.size() == 2) {
+				target_itype = _get_type_or_null(TypeReference(link_target_parts[0]));
+				if (!target_itype) {
+					target_itype = _get_type_or_null(TypeReference("_" + link_target_parts[0]));
+				}
+				target_cname = link_target_parts[1];
+			} else {
+				target_itype = p_itype;
+				target_cname = link_target_parts[0];
+			}
+
+			if (link_tag == "method") {
+				if (!target_itype || !target_itype->is_object_type) {
+					if (OS::get_singleton()->is_stdout_verbose()) {
+						if (target_itype) {
+							OS::get_singleton()->print("Cannot resolve method reference for non-Godot.Object type in documentation: %s\n", link_target.utf8().get_data());
+						} else {
+							OS::get_singleton()->print("Cannot resolve type from method reference in documentation: %s\n", link_target.utf8().get_data());
+						}
+					}
+
+					// TODO Map what we can
+					xml_output.append("<c>");
+					xml_output.append(link_target);
+					xml_output.append("</c>");
+				} else {
+					const MethodInterface *target_imethod = target_itype->find_method_by_name(target_cname);
+
+					if (target_imethod) {
+						xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+						xml_output.append(target_itype->proxy_name);
+						xml_output.append(".");
+						xml_output.append(target_imethod->proxy_name);
+						xml_output.append("\"/>");
+					}
+				}
+			} else if (link_tag == "member") {
+				if (!target_itype || !target_itype->is_object_type) {
+					if (OS::get_singleton()->is_stdout_verbose()) {
+						if (target_itype) {
+							OS::get_singleton()->print("Cannot resolve member reference for non-Godot.Object type in documentation: %s\n", link_target.utf8().get_data());
+						} else {
+							OS::get_singleton()->print("Cannot resolve type from member reference in documentation: %s\n", link_target.utf8().get_data());
+						}
+					}
+
+					// TODO Map what we can
+					xml_output.append("<c>");
+					xml_output.append(link_target);
+					xml_output.append("</c>");
+				} else {
+					const PropertyInterface *target_iprop = target_itype->find_property_by_name(target_cname);
+
+					if (target_iprop) {
+						xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+						xml_output.append(target_itype->proxy_name);
+						xml_output.append(".");
+						xml_output.append(target_iprop->proxy_name);
+						xml_output.append("\"/>");
+					}
+				}
+			} else if (link_tag == "signal") {
+				// We do not declare signals in any way in C#, so there is nothing to reference
+				xml_output.append("<c>");
+				xml_output.append(link_target);
+				xml_output.append("</c>");
+			} else if (link_tag == "enum") {
+				StringName search_cname = !target_itype ? target_cname :
+														  StringName(target_itype->name + "." + (String)target_cname);
+
+				const Map<StringName, TypeInterface>::Element *enum_match = enum_types.find(search_cname);
+
+				if (!enum_match && search_cname != target_cname) {
+					enum_match = enum_types.find(target_cname);
+				}
+
+				if (enum_match) {
+					const TypeInterface &target_enum_itype = enum_match->value();
+
+					xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+					xml_output.append(target_enum_itype.proxy_name); // Includes nesting class if any
+					xml_output.append("\"/>");
+				} else {
+					ERR_PRINTS("Cannot resolve enum reference in documentation: " + link_target);
+
+					xml_output.append("<c>");
+					xml_output.append(link_target);
+					xml_output.append("</c>");
+				}
+			} else if (link_tag == "const") {
+				if (!target_itype || !target_itype->is_object_type) {
+					if (OS::get_singleton()->is_stdout_verbose()) {
+						if (target_itype) {
+							OS::get_singleton()->print("Cannot resolve constant reference for non-Godot.Object type in documentation: %s\n", link_target.utf8().get_data());
+						} else {
+							OS::get_singleton()->print("Cannot resolve type from constant reference in documentation: %s\n", link_target.utf8().get_data());
+						}
+					}
+
+					// TODO Map what we can
+					xml_output.append("<c>");
+					xml_output.append(link_target);
+					xml_output.append("</c>");
+				} else if (!target_itype && target_cname == name_cache.type_at_GlobalScope) {
+					String target_name = (String)target_cname;
+
+					// Try to find as a global constant
+					const ConstantInterface *target_iconst = find_constant_by_name(target_name, global_constants);
+
+					if (target_iconst) {
+						// Found global constant
+						xml_output.append("<see cref=\"" BINDINGS_NAMESPACE "." BINDINGS_GLOBAL_SCOPE_CLASS ".");
+						xml_output.append(target_iconst->proxy_name);
+						xml_output.append("\"/>");
+					} else {
+						// Try to find as global enum constant
+						const EnumInterface *target_ienum = NULL;
+
+						for (const List<EnumInterface>::Element *E = global_enums.front(); E; E = E->next()) {
+							target_ienum = &E->get();
+							target_iconst = find_constant_by_name(target_name, target_ienum->constants);
+							if (target_iconst)
+								break;
+						}
+
+						if (target_iconst) {
+							xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+							xml_output.append(target_ienum->cname);
+							xml_output.append(".");
+							xml_output.append(target_iconst->proxy_name);
+							xml_output.append("\"/>");
+						} else {
+							ERR_PRINTS("Cannot resolve global constant reference in documentation: " + link_target);
+
+							xml_output.append("<c>");
+							xml_output.append(link_target);
+							xml_output.append("</c>");
+						}
+					}
+				} else {
+					String target_name = (String)target_cname;
+
+					// Try to find the constant in the current class
+					const ConstantInterface *target_iconst = find_constant_by_name(target_name, target_itype->constants);
+
+					if (target_iconst) {
+						// Found constant in current class
+						xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+						xml_output.append(target_itype->proxy_name);
+						xml_output.append(".");
+						xml_output.append(target_iconst->proxy_name);
+						xml_output.append("\"/>");
+					} else {
+						// Try to find as enum constant in the current class
+						const EnumInterface *target_ienum = NULL;
+
+						for (const List<EnumInterface>::Element *E = target_itype->enums.front(); E; E = E->next()) {
+							target_ienum = &E->get();
+							target_iconst = find_constant_by_name(target_name, target_ienum->constants);
+							if (target_iconst)
+								break;
+						}
+
+						if (target_iconst) {
+							xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+							xml_output.append(target_itype->proxy_name);
+							xml_output.append(".");
+							xml_output.append(target_ienum->cname);
+							xml_output.append(".");
+							xml_output.append(target_iconst->proxy_name);
+							xml_output.append("\"/>");
+						} else {
+							ERR_PRINTS("Cannot resolve constant reference in documentation: " + link_target);
+
+							xml_output.append("<c>");
+							xml_output.append(link_target);
+							xml_output.append("</c>");
+						}
+					}
+				}
+			}
+
+			pos = brk_end + 1;
+		} else if (doc->class_list.has(tag)) {
+			if (tag == "Array" || tag == "Dictionary") {
+				xml_output.append("<see cref=\"" BINDINGS_NAMESPACE_COLLECTIONS ".");
+				xml_output.append(tag);
+				xml_output.append("\"/>");
+			} else if (tag == "bool" || tag == "int") {
+				xml_output.append("<see cref=\"");
+				xml_output.append(tag);
+				xml_output.append("\"/>");
+			} else if (tag == "float") {
+				xml_output.append("<see cref=\""
+#ifdef REAL_T_IS_DOUBLE
+								  "double"
+#else
+								  "float"
+#endif
+								  "\"/>");
+			} else if (tag == "Variant") {
+				// We use System.Object for Variant, so there is no Variant type in C#
+				xml_output.append("<c>Variant</c>");
+			} else if (tag == "String") {
+				xml_output.append("<see cref=\"string\"/>");
+			} else if (tag == "Nil") {
+				xml_output.append("<see langword=\"null\"/>");
+			} else if (tag.begins_with("@")) {
+				// @GlobalScope, @GDScript, etc
+				xml_output.append("<c>");
+				xml_output.append(tag);
+				xml_output.append("</c>");
+			} else if (tag == "PoolByteArray") {
+				xml_output.append("<see cref=\"byte\"/>");
+			} else if (tag == "PoolIntArray") {
+				xml_output.append("<see cref=\"int\"/>");
+			} else if (tag == "PoolRealArray") {
+#ifdef REAL_T_IS_DOUBLE
+				xml_output.append("<see cref=\"double\"/>");
+#else
+				xml_output.append("<see cref=\"float\"/>");
+#endif
+			} else if (tag == "PoolStringArray") {
+				xml_output.append("<see cref=\"string\"/>");
+			} else if (tag == "PoolVector2Array") {
+				xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".Vector2\"/>");
+			} else if (tag == "PoolVector3Array") {
+				xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".Vector3\"/>");
+			} else if (tag == "PoolColorArray") {
+				xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".Color\"/>");
+			} else {
+				const TypeInterface *target_itype = _get_type_or_null(TypeReference(tag));
+
+				if (!target_itype) {
+					target_itype = _get_type_or_null(TypeReference("_" + tag));
+				}
+
+				if (target_itype) {
+					xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
+					xml_output.append(target_itype->proxy_name);
+					xml_output.append("\"/>");
+				} else {
+					ERR_PRINTS("Cannot resolve type reference in documentation: " + tag);
+
+					xml_output.append("<c>");
+					xml_output.append(tag);
+					xml_output.append("</c>");
+				}
+			}
+
+			pos = brk_end + 1;
+		} else if (tag == "b") {
+			// bold is not supported in xml comments
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "i") {
+			// italics is not supported in xml comments
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "code") {
+			xml_output.append("<c>");
+
+			code_tag = true;
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "codeblock") {
+			xml_output.append("<code>");
+
+			code_tag = true;
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "center") {
+			// center is alignment not supported in xml comments
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "br") {
+			xml_output.append("\n"); // FIXME: Should use <para> instead. Luckily this tag isn't used for now.
+			pos = brk_end + 1;
+		} else if (tag == "u") {
+			// underline is not supported in xml comments
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "s") {
+			// strikethrough is not supported in xml comments
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag == "url") {
+			int end = bbcode.find("[", brk_end);
+			if (end == -1)
+				end = bbcode.length();
+			String url = bbcode.substr(brk_end + 1, end - brk_end - 1);
+			xml_output.append("<a href=\"");
+			xml_output.append(url);
+			xml_output.append("\">");
+			xml_output.append(url);
+
+			pos = brk_end + 1;
+			tag_stack.push_front(tag);
+		} else if (tag.begins_with("url=")) {
+			String url = tag.substr(4, tag.length());
+			xml_output.append("<a href=\"");
+			xml_output.append(url);
+			xml_output.append("\">");
+
+			pos = brk_end + 1;
+			tag_stack.push_front("url");
+		} else if (tag == "img") {
+			int end = bbcode.find("[", brk_end);
+			if (end == -1)
+				end = bbcode.length();
+			String image = bbcode.substr(brk_end + 1, end - brk_end - 1);
+
+			// Not supported. Just append the bbcode.
+			xml_output.append("[img]");
+			xml_output.append(image);
+			xml_output.append("[/img]");
+
+			pos = end;
+			tag_stack.push_front(tag);
+		} else if (tag.begins_with("color=")) {
+			// Not supported.
+			pos = brk_end + 1;
+			tag_stack.push_front("color");
+		} else if (tag.begins_with("font=")) {
+			// Not supported.
+			pos = brk_end + 1;
+			tag_stack.push_front("font");
+		} else {
+			xml_output.append("["); // ignore
+			pos = brk_pos + 1;
+		}
+	}
+
+	xml_output.append("</para>");
+
+	return xml_output.as_string();
+}
+
 int BindingsGenerator::_determine_enum_prefix(const EnumInterface &p_ienum) {
 
 	CRASH_COND(p_ienum.constants.empty());
@@ -299,6 +761,9 @@ void BindingsGenerator::_generate_global_constants(List<String> &p_output) {
 
 	// Constants (in partial GD class)
 
+	p_output.push_back("\n#pragma warning disable CS1591 // Disable warning: "
+					   "'Missing XML comment for publicly visible type or member'\n");
+
 	p_output.push_back("namespace " BINDINGS_NAMESPACE "\n" OPEN_BLOCK);
 	p_output.push_back(INDENT1 "public static partial class " BINDINGS_GLOBAL_SCOPE_CLASS "\n" INDENT1 "{");
 
@@ -306,20 +771,20 @@ void BindingsGenerator::_generate_global_constants(List<String> &p_output) {
 		const ConstantInterface &iconstant = E->get();
 
 		if (iconstant.const_doc && iconstant.const_doc->description.size()) {
-			p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
+			String xml_summary = bbcode_to_xml(fix_doc_description(iconstant.const_doc->description), NULL);
+			Vector<String> summary_lines = xml_summary.split("\n");
 
-			Vector<String> description_lines = iconstant.const_doc->description.split("\n");
+			if (summary_lines.size()) {
+				p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
 
-			for (int i = 0; i < description_lines.size(); i++) {
-				String description_line = description_lines[i].strip_edges();
-				if (description_line.size()) {
+				for (int i = 0; i < summary_lines.size(); i++) {
 					p_output.push_back(INDENT2 "/// ");
-					p_output.push_back(description_line.xml_escape());
+					p_output.push_back(summary_lines[i]);
 					p_output.push_back("\n");
 				}
-			}
 
-			p_output.push_back(INDENT2 "/// </summary>");
+				p_output.push_back(INDENT2 "/// </summary>");
+			}
 		}
 
 		p_output.push_back(MEMBER_BEGIN "public const int ");
@@ -369,20 +834,20 @@ void BindingsGenerator::_generate_global_constants(List<String> &p_output) {
 			const ConstantInterface &iconstant = F->get();
 
 			if (iconstant.const_doc && iconstant.const_doc->description.size()) {
-				p_output.push_back(INDENT2 "/// <summary>\n");
+				String xml_summary = bbcode_to_xml(fix_doc_description(iconstant.const_doc->description), NULL);
+				Vector<String> summary_lines = xml_summary.split("\n");
 
-				Vector<String> description_lines = iconstant.const_doc->description.split("\n");
+				if (summary_lines.size()) {
+					p_output.push_back(INDENT2 "/// <summary>\n");
 
-				for (int i = 0; i < description_lines.size(); i++) {
-					String description_line = description_lines[i].strip_edges();
-					if (description_line.size()) {
+					for (int i = 0; i < summary_lines.size(); i++) {
 						p_output.push_back(INDENT2 "/// ");
-						p_output.push_back(description_line.xml_escape());
+						p_output.push_back(summary_lines[i]);
 						p_output.push_back("\n");
 					}
-				}
 
-				p_output.push_back(INDENT2 "/// </summary>\n");
+					p_output.push_back(INDENT2 "/// </summary>\n");
+				}
 			}
 
 			p_output.push_back(INDENT2);
@@ -399,6 +864,8 @@ void BindingsGenerator::_generate_global_constants(List<String> &p_output) {
 	}
 
 	p_output.push_back(CLOSE_BLOCK); // end of namespace
+
+	p_output.push_back("\n#pragma warning restore CS1591\n");
 }
 
 Error BindingsGenerator::generate_cs_core_project(const String &p_solution_dir, DotNetSolution &r_solution, bool p_verbose_output) {
@@ -712,28 +1179,31 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
 	output.push_back("using System;\n"); // IntPtr
 	output.push_back("using System.Diagnostics;\n"); // DebuggerBrowsable
 
-	output.push_back("\n#pragma warning disable CS1591 // Disable warning: "
-					 "'Missing XML comment for publicly visible type or member'\n");
+	output.push_back("\n"
+					 "#pragma warning disable CS1591 // Disable warning: "
+					 "'Missing XML comment for publicly visible type or member'\n"
+					 "#pragma warning disable CS1573 // Disable warning: "
+					 "'Parameter has no matching param tag in the XML comment'\n");
 
 	output.push_back("\nnamespace " BINDINGS_NAMESPACE "\n" OPEN_BLOCK);
 
 	const DocData::ClassDoc *class_doc = itype.class_doc;
 
 	if (class_doc && class_doc->description.size()) {
-		output.push_back(INDENT1 "/// <summary>\n");
+		String xml_summary = bbcode_to_xml(fix_doc_description(class_doc->description), &itype);
+		Vector<String> summary_lines = xml_summary.split("\n");
 
-		Vector<String> description_lines = class_doc->description.split("\n");
+		if (summary_lines.size()) {
+			output.push_back(INDENT1 "/// <summary>\n");
 
-		for (int i = 0; i < description_lines.size(); i++) {
-			String description_line = description_lines[i].strip_edges();
-			if (description_line.size()) {
+			for (int i = 0; i < summary_lines.size(); i++) {
 				output.push_back(INDENT1 "/// ");
-				output.push_back(description_line.xml_escape());
+				output.push_back(summary_lines[i]);
 				output.push_back("\n");
 			}
-		}
 
-		output.push_back(INDENT1 "/// </summary>\n");
+			output.push_back(INDENT1 "/// </summary>\n");
+		}
 	}
 
 	output.push_back(INDENT1 "public ");
@@ -767,20 +1237,20 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
 			const ConstantInterface &iconstant = E->get();
 
 			if (iconstant.const_doc && iconstant.const_doc->description.size()) {
-				output.push_back(MEMBER_BEGIN "/// <summary>\n");
+				String xml_summary = bbcode_to_xml(fix_doc_description(iconstant.const_doc->description), &itype);
+				Vector<String> summary_lines = xml_summary.split("\n");
 
-				Vector<String> description_lines = iconstant.const_doc->description.split("\n");
+				if (summary_lines.size()) {
+					output.push_back(MEMBER_BEGIN "/// <summary>\n");
 
-				for (int i = 0; i < description_lines.size(); i++) {
-					String description_line = description_lines[i].strip_edges();
-					if (description_line.size()) {
+					for (int i = 0; i < summary_lines.size(); i++) {
 						output.push_back(INDENT2 "/// ");
-						output.push_back(description_line.xml_escape());
+						output.push_back(summary_lines[i]);
 						output.push_back("\n");
 					}
-				}
 
-				output.push_back(INDENT2 "/// </summary>");
+					output.push_back(INDENT2 "/// </summary>");
+				}
 			}
 
 			output.push_back(MEMBER_BEGIN "public const int ");
@@ -808,20 +1278,20 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
 				const ConstantInterface &iconstant = F->get();
 
 				if (iconstant.const_doc && iconstant.const_doc->description.size()) {
-					output.push_back(INDENT3 "/// <summary>\n");
+					String xml_summary = bbcode_to_xml(fix_doc_description(iconstant.const_doc->description), &itype);
+					Vector<String> summary_lines = xml_summary.split("\n");
 
-					Vector<String> description_lines = iconstant.const_doc->description.split("\n");
+					if (summary_lines.size()) {
+						output.push_back(INDENT3 "/// <summary>\n");
 
-					for (int i = 0; i < description_lines.size(); i++) {
-						String description_line = description_lines[i].strip_edges();
-						if (description_line.size()) {
+						for (int i = 0; i < summary_lines.size(); i++) {
 							output.push_back(INDENT3 "/// ");
-							output.push_back(description_line.xml_escape());
+							output.push_back(summary_lines[i]);
 							output.push_back("\n");
 						}
-					}
 
-					output.push_back(INDENT3 "/// </summary>\n");
+						output.push_back(INDENT3 "/// </summary>\n");
+					}
 				}
 
 				output.push_back(INDENT3);
@@ -928,7 +1398,9 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
 	output.push_back(INDENT1 CLOSE_BLOCK /* class */
 					CLOSE_BLOCK /* namespace */);
 
-	output.push_back("\n#pragma warning restore CS1591\n");
+	output.push_back("\n"
+					 "#pragma warning restore CS1591\n"
+					 "#pragma warning restore CS1573\n");
 
 	return _save_file(p_output_file, output);
 }
@@ -978,33 +1450,21 @@ Error BindingsGenerator::_generate_cs_property(const BindingsGenerator::TypeInte
 	const TypeInterface *prop_itype = _get_type_or_null(proptype_name);
 	ERR_FAIL_NULL_V(prop_itype, ERR_BUG); // Property type not found
 
-	String prop_proxy_name = escape_csharp_keyword(snake_to_pascal_case(p_iprop.cname));
-
-	// Prevent property and enclosing type from sharing the same name
-	if (prop_proxy_name == p_itype.proxy_name) {
-		if (verbose_output) {
-			WARN_PRINTS("Name of property `" + prop_proxy_name + "` is ambiguous with the name of its class `" +
-						p_itype.proxy_name + "`. Renaming property to `" + prop_proxy_name + "_`");
-		}
-
-		prop_proxy_name += "_";
-	}
-
 	if (p_iprop.prop_doc && p_iprop.prop_doc->description.size()) {
-		p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
+		String xml_summary = bbcode_to_xml(fix_doc_description(p_iprop.prop_doc->description), &p_itype);
+		Vector<String> summary_lines = xml_summary.split("\n");
 
-		Vector<String> description_lines = p_iprop.prop_doc->description.split("\n");
+		if (summary_lines.size()) {
+			p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
 
-		for (int i = 0; i < description_lines.size(); i++) {
-			String description_line = description_lines[i].strip_edges();
-			if (description_line.size()) {
+			for (int i = 0; i < summary_lines.size(); i++) {
 				p_output.push_back(INDENT2 "/// ");
-				p_output.push_back(description_line.xml_escape());
+				p_output.push_back(summary_lines[i]);
 				p_output.push_back("\n");
 			}
-		}
 
-		p_output.push_back(INDENT2 "/// </summary>");
+			p_output.push_back(INDENT2 "/// </summary>");
+		}
 	}
 
 	p_output.push_back(MEMBER_BEGIN "public ");
@@ -1014,7 +1474,7 @@ Error BindingsGenerator::_generate_cs_property(const BindingsGenerator::TypeInte
 
 	p_output.push_back(prop_itype->cs_type);
 	p_output.push_back(" ");
-	p_output.push_back(prop_proxy_name.replace("/", "__"));
+	p_output.push_back(p_iprop.proxy_name);
 	p_output.push_back("\n" INDENT2 OPEN_BLOCK);
 
 	if (getter) {
@@ -1135,7 +1595,10 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
 
 			icall_params += arg_type->cs_in.empty() ? arg_in : sformat(arg_type->cs_in, arg_in);
 
-			default_args_doc.push_back(INDENT2 "/// <param name=\"" + iarg.name + "\">If the param is null, then the default value is " + def_arg + "</param>\n");
+			// Apparently the name attribute must not include the @
+			String param_tag_name = iarg.name.begins_with("@") ? iarg.name.substr(1, iarg.name.length()) : iarg.name;
+
+			default_args_doc.push_back(INDENT2 "/// <param name=\"" + param_tag_name + "\">If the parameter is null, then the default value is " + def_arg + "</param>\n");
 		} else {
 			icall_params += arg_type->cs_in.empty() ? iarg.name : sformat(arg_type->cs_in, iarg.name);
 		}
@@ -1151,24 +1614,24 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
 		}
 
 		if (p_imethod.method_doc && p_imethod.method_doc->description.size()) {
-			p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
+			String xml_summary = bbcode_to_xml(fix_doc_description(p_imethod.method_doc->description), &p_itype);
+			Vector<String> summary_lines = xml_summary.split("\n");
 
-			Vector<String> description_lines = p_imethod.method_doc->description.split("\n");
+			if (summary_lines.size() || default_args_doc.size()) {
+				p_output.push_back(MEMBER_BEGIN "/// <summary>\n");
 
-			for (int i = 0; i < description_lines.size(); i++) {
-				String description_line = description_lines[i].strip_edges();
-				if (description_line.size()) {
+				for (int i = 0; i < summary_lines.size(); i++) {
 					p_output.push_back(INDENT2 "/// ");
-					p_output.push_back(description_line.xml_escape());
+					p_output.push_back(summary_lines[i]);
 					p_output.push_back("\n");
 				}
-			}
 
-			for (List<String>::Element *E = default_args_doc.front(); E; E = E->next()) {
-				p_output.push_back(E->get().xml_escape());
-			}
+				for (List<String>::Element *E = default_args_doc.front(); E; E = E->next()) {
+					p_output.push_back(E->get());
+				}
 
-			p_output.push_back(INDENT2 "/// </summary>");
+				p_output.push_back(INDENT2 "/// </summary>");
+			}
 		}
 
 		if (!p_imethod.is_internal) {
@@ -1540,20 +2003,13 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte
 				String vararg_arg = "arg" + argc_str;
 				String real_argc_str = itos(p_imethod.arguments.size() - 1); // Arguments count without vararg
 
-				p_output.push_back("\tVector<Variant> varargs;\n"
-								   "\tint vararg_length = mono_array_length(");
+				p_output.push_back("\tint vararg_length = mono_array_length(");
 				p_output.push_back(vararg_arg);
 				p_output.push_back(");\n\tint total_length = ");
 				p_output.push_back(real_argc_str);
-				p_output.push_back(" + vararg_length;\n\t");
-				p_output.push_back(err_fail_macro);
-				p_output.push_back("(varargs.resize(vararg_length) != OK");
-				p_output.push_back(fail_ret);
-				p_output.push_back(");\n\tVector<Variant*> " C_LOCAL_PTRCALL_ARGS ";\n\t");
-				p_output.push_back(err_fail_macro);
-				p_output.push_back("(call_args.resize(total_length) != OK");
-				p_output.push_back(fail_ret);
-				p_output.push_back(");\n");
+				p_output.push_back(" + vararg_length;\n"
+								   "\tArgumentsVector<Variant> varargs(vararg_length);\n"
+								   "\tArgumentsVector<const Variant *> " C_LOCAL_PTRCALL_ARGS "(total_length);\n");
 				p_output.push_back(c_in_statements);
 				p_output.push_back("\tfor (int i = 0; i < vararg_length; i++) " OPEN_BLOCK
 								   "\t\tMonoObject* elem = mono_array_get(");
@@ -1562,7 +2018,7 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte
 								   "\t\tvarargs.set(i, GDMonoMarshal::mono_object_to_variant(elem));\n"
 								   "\t\t" C_LOCAL_PTRCALL_ARGS ".set(");
 				p_output.push_back(real_argc_str);
-				p_output.push_back(" + i, &varargs.write[i]);\n\t" CLOSE_BLOCK);
+				p_output.push_back(" + i, &varargs.get(i));\n\t" CLOSE_BLOCK);
 			} else {
 				p_output.push_back(c_in_statements);
 				p_output.push_back("\tconst void* " C_LOCAL_PTRCALL_ARGS "[");
@@ -1584,7 +2040,7 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte
 			}
 
 			p_output.push_back(CS_PARAM_METHODBIND "->call(" CS_PARAM_INSTANCE ", ");
-			p_output.push_back(p_imethod.arguments.size() ? "(const Variant**)" C_LOCAL_PTRCALL_ARGS ".ptr()" : "NULL");
+			p_output.push_back(p_imethod.arguments.size() ? C_LOCAL_PTRCALL_ARGS ".ptr()" : "NULL");
 			p_output.push_back(", total_length, vcall_error);\n");
 
 			// See the comment on the C_LOCAL_VARARG_RET declaration
@@ -1728,7 +2184,6 @@ void BindingsGenerator::_populate_object_type_interfaces() {
 
 			PropertyInterface iprop;
 			iprop.cname = property.name;
-			iprop.proxy_name = escape_csharp_keyword(snake_to_pascal_case(iprop.cname));
 			iprop.setter = ClassDB::get_property_setter(type_cname, iprop.cname);
 			iprop.getter = ClassDB::get_property_getter(type_cname, iprop.cname);
 
@@ -1736,6 +2191,8 @@ void BindingsGenerator::_populate_object_type_interfaces() {
 			iprop.index = ClassDB::get_property_index(type_cname, iprop.cname, &valid);
 			ERR_FAIL_COND(!valid);
 
+			iprop.proxy_name = escape_csharp_keyword(snake_to_pascal_case(iprop.cname));
+
 			// Prevent property and enclosing type from sharing the same name
 			if (iprop.proxy_name == itype.proxy_name) {
 				if (verbose_output) {
@@ -1746,6 +2203,8 @@ void BindingsGenerator::_populate_object_type_interfaces() {
 				iprop.proxy_name += "_";
 			}
 
+			iprop.proxy_name = iprop.proxy_name.replace("/", "__"); // Some members have a slash...
+
 			iprop.prop_doc = NULL;
 
 			for (int i = 0; i < itype.class_doc->properties.size(); i++) {
@@ -2038,6 +2497,7 @@ void BindingsGenerator::_default_argument_from_variant(const Variant &p_val, Arg
 				r_iarg.default_argument = "null";
 				break;
 			}
+			FALLTHROUGH;
 		case Variant::DICTIONARY:
 		case Variant::_RID:
 			r_iarg.default_argument = "new %s()";
diff --git a/modules/mono/editor/bindings_generator.h b/modules/mono/editor/bindings_generator.h
index 8a1c942f6b..42071f9c0d 100644
--- a/modules/mono/editor/bindings_generator.h
+++ b/modules/mono/editor/bindings_generator.h
@@ -87,8 +87,13 @@ class BindingsGenerator {
 		StringName cname;
 		bool is_enum;
 
-		TypeReference() {
-			is_enum = false;
+		TypeReference() :
+				is_enum(false) {
+		}
+
+		TypeReference(const StringName &p_cname) :
+				cname(p_cname),
+				is_enum(false) {
 		}
 	};
 
@@ -321,6 +326,15 @@ class BindingsGenerator {
 			return NULL;
 		}
 
+		const PropertyInterface *find_property_by_name(const StringName &p_cname) const {
+			for (const List<PropertyInterface>::Element *E = properties.front(); E; E = E->next()) {
+				if (E->get().cname == p_cname)
+					return &E->get();
+			}
+
+			return NULL;
+		}
+
 		const PropertyInterface *find_property_by_proxy_name(const String &p_proxy_name) const {
 			for (const List<PropertyInterface>::Element *E = properties.front(); E; E = E->next()) {
 				if (E->get().proxy_name == p_proxy_name)
@@ -482,6 +496,8 @@ class BindingsGenerator {
 		StringName type_VarArg;
 		StringName type_Object;
 		StringName type_Reference;
+		StringName type_String;
+		StringName type_at_GlobalScope;
 		StringName enum_Error;
 
 		NameCache() {
@@ -493,6 +509,8 @@ class BindingsGenerator {
 			type_VarArg = StaticCString::create("VarArg");
 			type_Object = StaticCString::create("Object");
 			type_Reference = StaticCString::create("Reference");
+			type_String = StaticCString::create("String");
+			type_at_GlobalScope = StaticCString::create("@GlobalScope");
 			enum_Error = StaticCString::create("Error");
 		}
 
@@ -511,6 +529,15 @@ class BindingsGenerator {
 		return NULL;
 	}
 
+	const ConstantInterface *find_constant_by_name(const String &p_name, const List<ConstantInterface> &p_constants) const {
+		for (const List<ConstantInterface>::Element *E = p_constants.front(); E; E = E->next()) {
+			if (E->get().name == p_name)
+				return &E->get();
+		}
+
+		return NULL;
+	}
+
 	inline String get_unique_sig(const TypeInterface &p_type) {
 		if (p_type.is_reference)
 			return "Ref";
@@ -522,6 +549,8 @@ class BindingsGenerator {
 		return p_type.name;
 	}
 
+	String bbcode_to_xml(const String &p_bbcode, const TypeInterface *p_itype);
+
 	int _determine_enum_prefix(const EnumInterface &p_ienum);
 	void _apply_prefix_to_enum_constants(EnumInterface &p_ienum, int p_prefix_length);
 
diff --git a/modules/mono/editor/godotsharp_editor.cpp b/modules/mono/editor/godotsharp_editor.cpp
index 5b68810017..921b9f987b 100644
--- a/modules/mono/editor/godotsharp_editor.cpp
+++ b/modules/mono/editor/godotsharp_editor.cpp
@@ -185,6 +185,16 @@ void GodotSharpEditor::_toggle_about_dialog_on_start(bool p_enabled) {
 	}
 }
 
+void GodotSharpEditor::_build_solution_pressed() {
+
+	if (!FileAccess::exists(GodotSharpDirs::get_project_sln_path())) {
+		if (!_create_project_solution())
+			return; // Failed to create solution
+	}
+
+	MonoBottomPanel::get_singleton()->call("_build_project_pressed");
+}
+
 void GodotSharpEditor::_menu_option_pressed(int p_id) {
 
 	switch (p_id) {
@@ -220,6 +230,7 @@ void GodotSharpEditor::_notification(int p_notification) {
 
 void GodotSharpEditor::_bind_methods() {
 
+	ClassDB::bind_method(D_METHOD("_build_solution_pressed"), &GodotSharpEditor::_build_solution_pressed);
 	ClassDB::bind_method(D_METHOD("_create_project_solution"), &GodotSharpEditor::_create_project_solution);
 	ClassDB::bind_method(D_METHOD("_make_api_solutions_if_needed"), &GodotSharpEditor::_make_api_solutions_if_needed);
 	ClassDB::bind_method(D_METHOD("_remove_create_sln_menu_option"), &GodotSharpEditor::_remove_create_sln_menu_option);
@@ -446,12 +457,12 @@ GodotSharpEditor::GodotSharpEditor(EditorNode *p_editor) {
 		about_label->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 		about_label->set_autowrap(true);
 		String about_text =
-				String("C# support in Godot Engine is a brand new feature and a work in progress.\n") +
-				"It is currently in an alpha stage and is not suitable for use in production.\n\n" +
-				"As of Godot 3.1, C# support is not feature-complete and may crash in some situations. " +
-				"Bugs and usability issues will be addressed gradually over future 3.x releases, " +
-				"including compatibility breaking changes as new features are implemented for a better overall C# experience.\n\n" +
-				"If you experience issues with this Mono build, please report them on Godot's issue tracker with details about your system, Mono version, IDE, etc:\n\n" +
+				String("C# support in Godot Engine is in late alpha stage and, while already usable, ") +
+				"it is not meant for use in production.\n\n" +
+				"Projects can be exported to Linux, macOS and Windows, but not yet to mobile or web platforms. " +
+				"Bugs and usability issues will be addressed gradually over future releases, " +
+				"potentially including compatibility breaking changes as new features are implemented for a better overall C# experience.\n\n" +
+				"If you experience issues with this Mono build, please report them on Godot's issue tracker with details about your system, MSBuild version, IDE, etc.:\n\n" +
 				"        https://github.com/godotengine/godot/issues\n\n" +
 				"Your critical feedback at this stage will play a great role in shaping the C# support in future releases, so thank you!";
 		about_label->set_text(about_text);
@@ -482,7 +493,7 @@ GodotSharpEditor::GodotSharpEditor(EditorNode *p_editor) {
 	build_button->set_text("Build");
 	build_button->set_tooltip("Build solution");
 	build_button->set_focus_mode(Control::FOCUS_NONE);
-	build_button->connect("pressed", MonoBottomPanel::get_singleton(), "_build_project_pressed");
+	build_button->connect("pressed", this, "_build_solution_pressed");
 	editor->get_menu_hb()->add_child(build_button);
 
 	// External editor settings
diff --git a/modules/mono/editor/godotsharp_editor.h b/modules/mono/editor/godotsharp_editor.h
index c9744a9eed..cf0d2aec84 100644
--- a/modules/mono/editor/godotsharp_editor.h
+++ b/modules/mono/editor/godotsharp_editor.h
@@ -65,6 +65,8 @@ class GodotSharpEditor : public Node {
 
 	void _menu_option_pressed(int p_id);
 
+	void _build_solution_pressed();
+
 	static GodotSharpEditor *singleton;
 
 protected:
diff --git a/modules/mono/editor/script_class_parser.cpp b/modules/mono/editor/script_class_parser.cpp
index 6b2ec5cc20..dfb652a7aa 100644
--- a/modules/mono/editor/script_class_parser.cpp
+++ b/modules/mono/editor/script_class_parser.cpp
@@ -266,6 +266,20 @@ Error ScriptClassParser::_skip_generic_type_params() {
 
 		if (tk == TK_IDENTIFIER) {
 			tk = get_token();
+			// Type specifications can end with "?" to denote nullable types, such as IList<int?>
+			if (tk == TK_SYMBOL) {
+				tk = get_token();
+				if (value.operator String() != "?") {
+					error_str = "Expected " + get_token_name(TK_IDENTIFIER) + ", found unexpected symbol '" + value + "'";
+					error = true;
+					return ERR_PARSE_ERROR;
+				}
+				if (tk != TK_OP_GREATER && tk != TK_COMMA) {
+					error_str = "Nullable type symbol '?' is only allowed after an identifier, but found " + get_token_name(tk) + " next.";
+					error = true;
+					return ERR_PARSE_ERROR;
+				}
+			}
 
 			if (tk == TK_PERIOD) {
 				while (true) {
diff --git a/modules/mono/glue/Managed/Files/DebuggingUtils.cs b/modules/mono/glue/Managed/Files/DebuggingUtils.cs
index b27816084e..edfe3464ec 100644
--- a/modules/mono/glue/Managed/Files/DebuggingUtils.cs
+++ b/modules/mono/glue/Managed/Files/DebuggingUtils.cs
@@ -19,6 +19,12 @@ namespace Godot
             sb.Append(" ");
         }
 
+        public static void InstallTraceListener()
+        {
+            Trace.Listeners.Clear();
+            Trace.Listeners.Add(new GodotTraceListener());
+        }
+
         public static void GetStackFrameInfo(StackFrame frame, out string fileName, out int fileLineNumber, out string methodDecl)
         {
             fileName = frame.GetFileName();
diff --git a/modules/mono/glue/Managed/Files/DynamicObject.cs b/modules/mono/glue/Managed/Files/DynamicObject.cs
new file mode 100644
index 0000000000..9504415664
--- /dev/null
+++ b/modules/mono/glue/Managed/Files/DynamicObject.cs
@@ -0,0 +1,213 @@
+
+using System;
+using System.Collections.Generic;
+using System.Dynamic;
+using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
+
+namespace Godot
+{
+    /// <summary>
+    /// Represents an <see cref="Godot.Object"/> whose members can be dynamically accessed at runtime through the Variant API.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// The <see cref="Godot.DynamicGodotObject"/> class enables access to the Variant
+    /// members of a <see cref="Godot.Object"/> instance at runtime.
+    /// </para>
+    /// <para>
+    /// This allows accessing the class members using their original names in the engine as well as the members from the
+    /// script attached to the <see cref="Godot.Object"/>, regardless of the scripting language it was written in.
+    /// </para>
+    /// </remarks>
+    /// <example>
+    /// This sample shows how to use <see cref="Godot.DynamicGodotObject"/> to dynamically access the engine members of a <see cref="Godot.Object"/>.
+    /// <code>
+    /// dynamic sprite = GetNode("Sprite").DynamicGodotObject;
+    /// sprite.add_child(this);
+    ///
+    /// if ((sprite.hframes * sprite.vframes) > 0)
+    ///     sprite.frame = 0;
+    /// </code>
+    /// </example>
+    /// <example>
+    /// This sample shows how to use <see cref="Godot.DynamicGodotObject"/> to dynamically access the members of the script attached to a <see cref="Godot.Object"/>.
+    /// <code>
+    /// dynamic childNode = GetNode("ChildNode").DynamicGodotObject;
+    ///
+    /// if (childNode.print_allowed)
+    /// {
+    ///     childNode.message = "Hello from C#";
+    ///     childNode.print_message(3);
+    /// }
+    /// </code>
+    /// The <c>ChildNode</c> node has the following GDScript script attached:
+    /// <code>
+    /// // # ChildNode.gd
+    /// // var print_allowed = true
+    /// // var message = ""
+    /// //
+    /// // func print_message(times):
+    /// //     for i in times:
+    /// //         print(message)
+    /// </code>
+    /// </example>
+    public class DynamicGodotObject : DynamicObject
+    {
+        /// <summary>
+        /// Gets the <see cref="Godot.Object"/> associated with this <see cref="Godot.DynamicGodotObject"/>.
+        /// </summary>
+        public Object Value { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Godot.DynamicGodotObject"/> class.
+        /// </summary>
+        /// <param name="godotObject">
+        /// The <see cref="Godot.Object"/> that will be associated with this <see cref="Godot.DynamicGodotObject"/>.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when the <paramref name="godotObject"/> parameter is null.
+        /// </exception>
+        public DynamicGodotObject(Object godotObject)
+        {
+            if (godotObject == null)
+                throw new ArgumentNullException(nameof(godotObject));
+
+            this.Value = godotObject;
+        }
+
+        public override IEnumerable<string> GetDynamicMemberNames()
+        {
+            return godot_icall_DynamicGodotObject_SetMemberList(Object.GetPtr(Value));
+        }
+
+        public override bool TryBinaryOperation(BinaryOperationBinder binder, object arg, out object result)
+        {
+            switch (binder.Operation)
+            {
+                case ExpressionType.Equal:
+                case ExpressionType.NotEqual:
+                    if (binder.ReturnType == typeof(bool) || binder.ReturnType.IsAssignableFrom(typeof(bool)))
+                    {
+                        if (arg == null)
+                        {
+                            bool boolResult = Object.IsInstanceValid(Value);
+
+                            if (binder.Operation == ExpressionType.Equal)
+                                boolResult = !boolResult;
+
+                            result = boolResult;
+                            return true;
+                        }
+
+                        if (arg is Object other)
+                        {
+                            bool boolResult = (Value == other);
+
+                            if (binder.Operation == ExpressionType.NotEqual)
+                                boolResult = !boolResult;
+
+                            result = boolResult;
+                            return true;
+                        }
+                    }
+
+                    break;
+                default:
+                    // We're not implementing operators <, <=, >, and >= (LessThan, LessThanOrEqual, GreaterThan, GreaterThanOrEqual).
+                    // These are used on the actual pointers in variant_op.cpp. It's better to let the user do that explicitly.
+                    break;
+            }
+
+            return base.TryBinaryOperation(binder, arg, out result);
+        }
+
+        public override bool TryConvert(ConvertBinder binder, out object result)
+        {
+            if (binder.Type == typeof(Object))
+            {
+                result = Value;
+                return true;
+            }
+
+            if (typeof(Object).IsAssignableFrom(binder.Type))
+            {
+                // Throws InvalidCastException when the cast fails
+                result = Convert.ChangeType(Value, binder.Type);
+                return true;
+            }
+
+            return base.TryConvert(binder, out result);
+        }
+
+        public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
+        {
+            if (indexes.Length == 1)
+            {
+                if (indexes[0] is string name)
+                {
+                    return godot_icall_DynamicGodotObject_GetMember(Object.GetPtr(Value), name, out result);
+                }
+            }
+
+            return base.TryGetIndex(binder, indexes, out result);
+        }
+
+        public override bool TryGetMember(GetMemberBinder binder, out object result)
+        {
+            return godot_icall_DynamicGodotObject_GetMember(Object.GetPtr(Value), binder.Name, out result);
+        }
+
+        public override bool TryInvokeMember(InvokeMemberBinder binder, object[] args, out object result)
+        {
+            return godot_icall_DynamicGodotObject_InvokeMember(Object.GetPtr(Value), binder.Name, args, out result);
+        }
+
+        public override bool TrySetIndex(SetIndexBinder binder, object[] indexes, object value)
+        {
+            if (indexes.Length == 1)
+            {
+                if (indexes[0] is string name)
+                {
+                    return godot_icall_DynamicGodotObject_SetMember(Object.GetPtr(Value), name, value);
+                }
+            }
+
+            return base.TrySetIndex(binder, indexes, value);
+        }
+
+        public override bool TrySetMember(SetMemberBinder binder, object value)
+        {
+            return godot_icall_DynamicGodotObject_SetMember(Object.GetPtr(Value), binder.Name, value);
+        }
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static string[] godot_icall_DynamicGodotObject_SetMemberList(IntPtr godotObject);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static bool godot_icall_DynamicGodotObject_InvokeMember(IntPtr godotObject, string name, object[] args, out object result);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static bool godot_icall_DynamicGodotObject_GetMember(IntPtr godotObject, string name, out object result);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static bool godot_icall_DynamicGodotObject_SetMember(IntPtr godotObject, string name, object value);
+
+        #region We don't override these methods
+
+        // Looks like this is not usable from C#
+        //public override bool TryCreateInstance(CreateInstanceBinder binder, object[] args, out object result);
+
+        // Object members cannot be deleted
+        //public override bool TryDeleteIndex(DeleteIndexBinder binder, object[] indexes);
+        //public override bool TryDeleteMember(DeleteMemberBinder binder);
+
+        // Invokation on the object itself, e.g.: obj(param)
+        //public override bool TryInvoke(InvokeBinder binder, object[] args, out object result);
+
+        // No unnary operations to handle
+        //public override bool TryUnaryOperation(UnaryOperationBinder binder, out object result);
+
+        #endregion
+    }
+}
diff --git a/modules/mono/glue/Managed/Files/GD.cs b/modules/mono/glue/Managed/Files/GD.cs
index 3afaf5d08b..d968f8a78f 100644
--- a/modules/mono/glue/Managed/Files/GD.cs
+++ b/modules/mono/glue/Managed/Files/GD.cs
@@ -13,12 +13,12 @@ namespace Godot
 {
     public static partial class GD
     {
-        public static object Bytes2Var(byte[] bytes)
+        public static object Bytes2Var(byte[] bytes, bool allow_objects = false)
         {
-            return godot_icall_GD_bytes2var(bytes);
+            return godot_icall_GD_bytes2var(bytes, allow_objects);
         }
 
-        public static object Convert(object what, int type)
+        public static object Convert(object what, Variant.Type type)
         {
             return godot_icall_GD_convert(what, type);
         }
@@ -186,9 +186,9 @@ namespace Godot
             return godot_icall_GD_type_exists(type);
         }
 
-        public static byte[] Var2Bytes(object var)
+        public static byte[] Var2Bytes(object var, bool full_objects = false)
         {
-            return godot_icall_GD_var2bytes(var);
+            return godot_icall_GD_var2bytes(var, full_objects);
         }
 
         public static string Var2Str(object var)
@@ -197,10 +197,10 @@ namespace Godot
         }
 
         [MethodImpl(MethodImplOptions.InternalCall)]
-        internal extern static object godot_icall_GD_bytes2var(byte[] bytes);
+        internal extern static object godot_icall_GD_bytes2var(byte[] bytes, bool allow_objects);
 
         [MethodImpl(MethodImplOptions.InternalCall)]
-        internal extern static object godot_icall_GD_convert(object what, int type);
+        internal extern static object godot_icall_GD_convert(object what, Variant.Type type);
 
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static int godot_icall_GD_hash(object var);
@@ -251,7 +251,7 @@ namespace Godot
         internal extern static bool godot_icall_GD_type_exists(string type);
 
         [MethodImpl(MethodImplOptions.InternalCall)]
-        internal extern static byte[] godot_icall_GD_var2bytes(object what);
+        internal extern static byte[] godot_icall_GD_var2bytes(object what, bool full_objects);
 
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static string godot_icall_GD_var2str(object var);
diff --git a/modules/mono/glue/Managed/Files/GodotTraceListener.cs b/modules/mono/glue/Managed/Files/GodotTraceListener.cs
new file mode 100644
index 0000000000..f1a00ae0fa
--- /dev/null
+++ b/modules/mono/glue/Managed/Files/GodotTraceListener.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Diagnostics;
+
+namespace Godot
+{
+    internal class GodotTraceListener : TraceListener
+    {
+        public override void Write(string message)
+        {
+            GD.PrintRaw(message);
+        }
+
+        public override void WriteLine(string message)
+        {
+            GD.Print(message);
+        }
+
+        public override void Fail(string message, string detailMessage)
+        {
+            GD.PrintErr("Assertion failed: ", message);
+            if (detailMessage != null)
+            {
+                GD.PrintErr("  Details: ", detailMessage);
+            }
+
+            try
+            {
+                var stackTrace = new StackTrace(true).ToString();
+                GD.PrintErr(stackTrace);
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
+}
diff --git a/modules/mono/glue/Managed/Files/Mathf.cs b/modules/mono/glue/Managed/Files/Mathf.cs
index dcab3c1ffc..5f5de12959 100644
--- a/modules/mono/glue/Managed/Files/Mathf.cs
+++ b/modules/mono/glue/Managed/Files/Mathf.cs
@@ -289,13 +289,13 @@ namespace Godot
         public static int Wrap(int value, int min, int max)
         {
             int rng = max - min;
-            return min + ((value - min) % rng + rng) % rng;
+            return rng != 0 ? min + ((value - min) % rng + rng) % rng : min;
         }
 
         public static real_t Wrap(real_t value, real_t min, real_t max)
         {
             real_t rng = max - min;
-            return min + ((value - min) % rng + rng) % rng;
+            return !IsEqualApprox(rng, default(real_t)) ? min + ((value - min) % rng + rng) % rng : min;
         }
     }
 }
diff --git a/modules/mono/glue/Managed/Files/MathfEx.cs b/modules/mono/glue/Managed/Files/MathfEx.cs
index 2ef02cc288..414762f7b1 100644
--- a/modules/mono/glue/Managed/Files/MathfEx.cs
+++ b/modules/mono/glue/Managed/Files/MathfEx.cs
@@ -35,5 +35,10 @@ namespace Godot
         {
             return (int)Math.Round(s);
         }
+
+        public static bool IsEqualApprox(real_t a, real_t b, real_t ratio = Mathf.Epsilon)
+        {
+            return Abs(a - b) < ratio;
+        }
     }
 }
\ No newline at end of file
diff --git a/modules/mono/glue/Managed/Files/Object.base.cs b/modules/mono/glue/Managed/Files/Object.base.cs
index 41fc43996f..e152d56871 100644
--- a/modules/mono/glue/Managed/Files/Object.base.cs
+++ b/modules/mono/glue/Managed/Files/Object.base.cs
@@ -73,11 +73,39 @@ namespace Godot
             disposed = true;
         }
 
+        /// <summary>
+        /// Returns a new <see cref="Godot.SignalAwaiter"/> awaiter configured to complete when the instance
+        /// <paramref name="source"/> emits the signal specified by the <paramref name="signal"/> parameter.
+        /// </summary>
+        /// <param name="source">
+        /// The instance the awaiter will be listening to.
+        /// </param>
+        /// <param name="signal">
+        /// The signal the awaiter will be waiting for.
+        /// </param>
+        /// <example>
+        /// This sample prints a message once every frame up to 100 times.
+        /// <code>
+        /// public override void _Ready()
+        /// {
+        ///     for (int i = 0; i < 100; i++)
+        ///     {
+        ///         await ToSignal(GetTree(), "idle_frame");
+        ///         GD.Print($"Frame {i}");
+        ///     }
+        /// }
+        /// </code>
+        /// </example>
         public SignalAwaiter ToSignal(Object source, string signal)
         {
             return new SignalAwaiter(source, signal, this);
         }
 
+        /// <summary>
+        /// Gets a new <see cref="Godot.DynamicGodotObject"/> associated with this instance.
+        /// </summary>
+        public dynamic DynamicObject => new DynamicGodotObject(this);
+
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static IntPtr godot_icall_Object_Ctor(Object obj);
 
diff --git a/modules/mono/glue/arguments_vector.h b/modules/mono/glue/arguments_vector.h
new file mode 100644
index 0000000000..8c0f308c15
--- /dev/null
+++ b/modules/mono/glue/arguments_vector.h
@@ -0,0 +1,68 @@
+/*************************************************************************/
+/*  arguments_vector.h                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef ARGUMENTS_VECTOR_H
+#define ARGUMENTS_VECTOR_H
+
+#include "core/os/memory.h"
+
+template <typename T, int POOL_SIZE = 5>
+struct ArgumentsVector {
+
+private:
+	T pool[POOL_SIZE];
+	T *_ptr;
+	int size;
+
+	ArgumentsVector();
+	ArgumentsVector(const ArgumentsVector &);
+
+public:
+	T *ptr() { return _ptr; }
+	T &get(int p_idx) { return _ptr[p_idx]; }
+	void set(int p_idx, const T &p_value) { _ptr[p_idx] = p_value; }
+
+	explicit ArgumentsVector(int p_size) :
+			size(p_size) {
+		if (p_size <= POOL_SIZE) {
+			_ptr = pool;
+		} else {
+			_ptr = memnew_arr(T, p_size);
+		}
+	}
+
+	~ArgumentsVector() {
+		if (size > POOL_SIZE) {
+			memdelete_arr(_ptr);
+		}
+	}
+};
+
+#endif // ARGUMENTS_VECTOR_H
diff --git a/modules/mono/glue/base_object_glue.cpp b/modules/mono/glue/base_object_glue.cpp
index fad02b01d3..b690de0d20 100644
--- a/modules/mono/glue/base_object_glue.cpp
+++ b/modules/mono/glue/base_object_glue.cpp
@@ -36,9 +36,11 @@
 #include "core/string_name.h"
 
 #include "../csharp_script.h"
+#include "../mono_gd/gd_mono_class.h"
 #include "../mono_gd/gd_mono_internals.h"
 #include "../mono_gd/gd_mono_utils.h"
 #include "../signal_awaiter_utils.h"
+#include "arguments_vector.h"
 
 Object *godot_icall_Object_Ctor(MonoObject *p_obj) {
 	Object *instance = memnew(Object);
@@ -75,7 +77,7 @@ void godot_icall_Object_Disposed(MonoObject *p_obj, Object *p_ptr) {
 	}
 }
 
-void godot_icall_Reference_Disposed(MonoObject *p_obj, Object *p_ptr, bool p_is_finalizer) {
+void godot_icall_Reference_Disposed(MonoObject *p_obj, Object *p_ptr, MonoBoolean p_is_finalizer) {
 #ifdef DEBUG_ENABLED
 	CRASH_COND(p_ptr == NULL);
 	// This is only called with Reference derived classes
@@ -155,6 +157,67 @@ Error godot_icall_SignalAwaiter_connect(Object *p_source, MonoString *p_signal,
 	return SignalAwaiterUtils::connect_signal_awaiter(p_source, signal, p_target, p_awaiter);
 }
 
+MonoArray *godot_icall_DynamicGodotObject_SetMemberList(Object *p_ptr) {
+	List<PropertyInfo> property_list;
+	p_ptr->get_property_list(&property_list);
+
+	MonoArray *result = mono_array_new(mono_domain_get(), CACHED_CLASS_RAW(String), property_list.size());
+
+	int i = 0;
+	for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
+		MonoString *boxed = GDMonoMarshal::mono_string_from_godot(E->get().name);
+		mono_array_set(result, MonoString *, i, boxed);
+		i++;
+	}
+
+	return result;
+}
+
+MonoBoolean godot_icall_DynamicGodotObject_InvokeMember(Object *p_ptr, MonoString *p_name, MonoArray *p_args, MonoObject **r_result) {
+	String name = GDMonoMarshal::mono_string_to_godot(p_name);
+
+	int argc = mono_array_length(p_args);
+
+	ArgumentsVector<Variant> arg_store(argc);
+	ArgumentsVector<const Variant *> args(argc);
+
+	for (int i = 0; i < argc; i++) {
+		MonoObject *elem = mono_array_get(p_args, MonoObject *, i);
+		arg_store.set(i, GDMonoMarshal::mono_object_to_variant(elem));
+		args.set(i, &arg_store.get(i));
+	}
+
+	Variant::CallError error;
+	Variant result = p_ptr->call(StringName(name), args.ptr(), argc, error);
+
+	*r_result = GDMonoMarshal::variant_to_mono_object(result);
+
+	return error.error == OK;
+}
+
+MonoBoolean godot_icall_DynamicGodotObject_GetMember(Object *p_ptr, MonoString *p_name, MonoObject **r_result) {
+	String name = GDMonoMarshal::mono_string_to_godot(p_name);
+
+	bool valid;
+	Variant value = p_ptr->get(StringName(name), &valid);
+
+	if (valid) {
+		*r_result = GDMonoMarshal::variant_to_mono_object(value);
+	}
+
+	return valid;
+}
+
+MonoBoolean godot_icall_DynamicGodotObject_SetMember(Object *p_ptr, MonoString *p_name, MonoObject *p_value) {
+	String name = GDMonoMarshal::mono_string_to_godot(p_name);
+	Variant value = GDMonoMarshal::mono_object_to_variant(p_value);
+
+	bool valid;
+	p_ptr->set(StringName(name), value, &valid);
+
+	return valid;
+}
+
 void godot_register_object_icalls() {
 	mono_add_internal_call("Godot.Object::godot_icall_Object_Ctor", (void *)godot_icall_Object_Ctor);
 	mono_add_internal_call("Godot.Object::godot_icall_Object_Disposed", (void *)godot_icall_Object_Disposed);
@@ -162,6 +225,10 @@ void godot_register_object_icalls() {
 	mono_add_internal_call("Godot.Object::godot_icall_Object_ClassDB_get_method", (void *)godot_icall_Object_ClassDB_get_method);
 	mono_add_internal_call("Godot.Object::godot_icall_Object_weakref", (void *)godot_icall_Object_weakref);
 	mono_add_internal_call("Godot.SignalAwaiter::godot_icall_SignalAwaiter_connect", (void *)godot_icall_SignalAwaiter_connect);
+	mono_add_internal_call("Godot.DynamicGodotObject::godot_icall_DynamicGodotObject_SetMemberList", (void *)godot_icall_DynamicGodotObject_SetMemberList);
+	mono_add_internal_call("Godot.DynamicGodotObject::godot_icall_DynamicGodotObject_InvokeMember", (void *)godot_icall_DynamicGodotObject_InvokeMember);
+	mono_add_internal_call("Godot.DynamicGodotObject::godot_icall_DynamicGodotObject_GetMember", (void *)godot_icall_DynamicGodotObject_GetMember);
+	mono_add_internal_call("Godot.DynamicGodotObject::godot_icall_DynamicGodotObject_SetMember", (void *)godot_icall_DynamicGodotObject_SetMember);
 }
 
 #endif // MONO_GLUE_ENABLED
diff --git a/modules/mono/glue/base_object_glue.h b/modules/mono/glue/base_object_glue.h
index e126fac6ca..9b5224a347 100644
--- a/modules/mono/glue/base_object_glue.h
+++ b/modules/mono/glue/base_object_glue.h
@@ -42,7 +42,7 @@ Object *godot_icall_Object_Ctor(MonoObject *p_obj);
 
 void godot_icall_Object_Disposed(MonoObject *p_obj, Object *p_ptr);
 
-void godot_icall_Reference_Disposed(MonoObject *p_obj, Object *p_ptr, bool p_is_finalizer);
+void godot_icall_Reference_Disposed(MonoObject *p_obj, Object *p_ptr, MonoBoolean p_is_finalizer);
 
 MethodBind *godot_icall_Object_ClassDB_get_method(MonoString *p_type, MonoString *p_method);
 
@@ -50,6 +50,16 @@ MonoObject *godot_icall_Object_weakref(Object *p_obj);
 
 Error godot_icall_SignalAwaiter_connect(Object *p_source, MonoString *p_signal, Object *p_target, MonoObject *p_awaiter);
 
+// DynamicGodotObject
+
+MonoArray *godot_icall_DynamicGodotObject_SetMemberList(Object *p_ptr);
+
+MonoBoolean godot_icall_DynamicGodotObject_InvokeMember(Object *p_ptr, MonoString *p_name, MonoArray *p_args, MonoObject **r_result);
+
+MonoBoolean godot_icall_DynamicGodotObject_GetMember(Object *p_ptr, MonoString *p_name, MonoObject **r_result);
+
+MonoBoolean godot_icall_DynamicGodotObject_SetMember(Object *p_ptr, MonoString *p_name, MonoObject *p_value);
+
 // Register internal calls
 
 void godot_register_object_icalls();
diff --git a/modules/mono/glue/collections_glue.cpp b/modules/mono/glue/collections_glue.cpp
index 1065ff0868..1aad1c53bc 100644
--- a/modules/mono/glue/collections_glue.cpp
+++ b/modules/mono/glue/collections_glue.cpp
@@ -81,7 +81,7 @@ void godot_icall_Array_Clear(Array *ptr) {
 	ptr->clear();
 }
 
-bool godot_icall_Array_Contains(Array *ptr, MonoObject *item) {
+MonoBoolean godot_icall_Array_Contains(Array *ptr, MonoObject *item) {
 	return ptr->find(GDMonoMarshal::mono_object_to_variant(item)) != -1;
 }
 
@@ -113,7 +113,7 @@ void godot_icall_Array_Insert(Array *ptr, int index, MonoObject *item) {
 	ptr->insert(index, GDMonoMarshal::mono_object_to_variant(item));
 }
 
-bool godot_icall_Array_Remove(Array *ptr, MonoObject *item) {
+MonoBoolean godot_icall_Array_Remove(Array *ptr, MonoObject *item) {
 	int idx = ptr->find(GDMonoMarshal::mono_object_to_variant(item));
 	if (idx >= 0) {
 		ptr->remove(idx);
@@ -208,21 +208,21 @@ void godot_icall_Dictionary_Clear(Dictionary *ptr) {
 	ptr->clear();
 }
 
-bool godot_icall_Dictionary_Contains(Dictionary *ptr, MonoObject *key, MonoObject *value) {
+MonoBoolean godot_icall_Dictionary_Contains(Dictionary *ptr, MonoObject *key, MonoObject *value) {
 	// no dupes
 	Variant *ret = ptr->getptr(GDMonoMarshal::mono_object_to_variant(key));
 	return ret != NULL && *ret == GDMonoMarshal::mono_object_to_variant(value);
 }
 
-bool godot_icall_Dictionary_ContainsKey(Dictionary *ptr, MonoObject *key) {
+MonoBoolean godot_icall_Dictionary_ContainsKey(Dictionary *ptr, MonoObject *key) {
 	return ptr->has(GDMonoMarshal::mono_object_to_variant(key));
 }
 
-bool godot_icall_Dictionary_RemoveKey(Dictionary *ptr, MonoObject *key) {
+MonoBoolean godot_icall_Dictionary_RemoveKey(Dictionary *ptr, MonoObject *key) {
 	return ptr->erase(GDMonoMarshal::mono_object_to_variant(key));
 }
 
-bool godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject *value) {
+MonoBoolean godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject *value) {
 	Variant varKey = GDMonoMarshal::mono_object_to_variant(key);
 
 	// no dupes
@@ -235,7 +235,7 @@ bool godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject
 	return false;
 }
 
-bool godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoObject **value) {
+MonoBoolean godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoObject **value) {
 	Variant *ret = ptr->getptr(GDMonoMarshal::mono_object_to_variant(key));
 	if (ret == NULL) {
 		*value = NULL;
@@ -245,7 +245,7 @@ bool godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoOb
 	return true;
 }
 
-bool godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class) {
+MonoBoolean godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class) {
 	Variant *ret = ptr->getptr(GDMonoMarshal::mono_object_to_variant(key));
 	if (ret == NULL) {
 		*value = NULL;
diff --git a/modules/mono/glue/collections_glue.h b/modules/mono/glue/collections_glue.h
index c0056d3bce..85a2e243a2 100644
--- a/modules/mono/glue/collections_glue.h
+++ b/modules/mono/glue/collections_glue.h
@@ -55,7 +55,7 @@ void godot_icall_Array_Add(Array *ptr, MonoObject *item);
 
 void godot_icall_Array_Clear(Array *ptr);
 
-bool godot_icall_Array_Contains(Array *ptr, MonoObject *item);
+MonoBoolean godot_icall_Array_Contains(Array *ptr, MonoObject *item);
 
 void godot_icall_Array_CopyTo(Array *ptr, MonoArray *array, int array_index);
 
@@ -63,7 +63,7 @@ int godot_icall_Array_IndexOf(Array *ptr, MonoObject *item);
 
 void godot_icall_Array_Insert(Array *ptr, int index, MonoObject *item);
 
-bool godot_icall_Array_Remove(Array *ptr, MonoObject *item);
+MonoBoolean godot_icall_Array_Remove(Array *ptr, MonoObject *item);
 
 void godot_icall_Array_RemoveAt(Array *ptr, int index);
 
@@ -93,17 +93,17 @@ void godot_icall_Dictionary_Add(Dictionary *ptr, MonoObject *key, MonoObject *va
 
 void godot_icall_Dictionary_Clear(Dictionary *ptr);
 
-bool godot_icall_Dictionary_Contains(Dictionary *ptr, MonoObject *key, MonoObject *value);
+MonoBoolean godot_icall_Dictionary_Contains(Dictionary *ptr, MonoObject *key, MonoObject *value);
 
-bool godot_icall_Dictionary_ContainsKey(Dictionary *ptr, MonoObject *key);
+MonoBoolean godot_icall_Dictionary_ContainsKey(Dictionary *ptr, MonoObject *key);
 
-bool godot_icall_Dictionary_RemoveKey(Dictionary *ptr, MonoObject *key);
+MonoBoolean godot_icall_Dictionary_RemoveKey(Dictionary *ptr, MonoObject *key);
 
-bool godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject *value);
+MonoBoolean godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject *value);
 
-bool godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoObject **value);
+MonoBoolean godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoObject **value);
 
-bool godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class);
+MonoBoolean godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class);
 
 void godot_icall_Dictionary_Generic_GetValueTypeInfo(MonoReflectionType *refltype, uint32_t *type_encoding, GDMonoClass **type_class);
 
diff --git a/modules/mono/glue/gd_glue.cpp b/modules/mono/glue/gd_glue.cpp
index 5edf49d2bf..d756131ac9 100644
--- a/modules/mono/glue/gd_glue.cpp
+++ b/modules/mono/glue/gd_glue.cpp
@@ -41,11 +41,11 @@
 
 #include "../mono_gd/gd_mono_utils.h"
 
-MonoObject *godot_icall_GD_bytes2var(MonoArray *p_bytes) {
+MonoObject *godot_icall_GD_bytes2var(MonoArray *p_bytes, MonoBoolean p_allow_objects) {
 	Variant ret;
 	PoolByteArray varr = GDMonoMarshal::mono_array_to_PoolByteArray(p_bytes);
 	PoolByteArray::Read r = varr.read();
-	Error err = decode_variant(ret, r.ptr(), varr.size(), NULL);
+	Error err = decode_variant(ret, r.ptr(), varr.size(), NULL, p_allow_objects);
 	if (err != OK) {
 		ret = RTR("Not enough bytes for decoding bytes, or invalid format.");
 	}
@@ -175,7 +175,7 @@ MonoObject *godot_icall_GD_str2var(MonoString *p_str) {
 	return GDMonoMarshal::variant_to_mono_object(ret);
 }
 
-bool godot_icall_GD_type_exists(MonoString *p_type) {
+MonoBoolean godot_icall_GD_type_exists(MonoString *p_type) {
 	return ClassDB::class_exists(GDMonoMarshal::mono_string_to_godot(p_type));
 }
 
@@ -187,19 +187,19 @@ void godot_icall_GD_pushwarning(MonoString *p_str) {
 	WARN_PRINTS(GDMonoMarshal::mono_string_to_godot(p_str));
 }
 
-MonoArray *godot_icall_GD_var2bytes(MonoObject *p_var) {
+MonoArray *godot_icall_GD_var2bytes(MonoObject *p_var, MonoBoolean p_full_objects) {
 	Variant var = GDMonoMarshal::mono_object_to_variant(p_var);
 
 	PoolByteArray barr;
 	int len;
-	Error err = encode_variant(var, NULL, len);
+	Error err = encode_variant(var, NULL, len, p_full_objects);
 	ERR_EXPLAIN("Unexpected error encoding variable to bytes, likely unserializable type found (Object or RID).");
 	ERR_FAIL_COND_V(err != OK, NULL);
 
 	barr.resize(len);
 	{
 		PoolByteArray::Write w = barr.write();
-		encode_variant(var, w.ptr(), len);
+		encode_variant(var, w.ptr(), len, p_full_objects);
 	}
 
 	return GDMonoMarshal::PoolByteArray_to_mono_array(barr);
diff --git a/modules/mono/glue/gd_glue.h b/modules/mono/glue/gd_glue.h
index ba75d85343..910979aae3 100644
--- a/modules/mono/glue/gd_glue.h
+++ b/modules/mono/glue/gd_glue.h
@@ -35,7 +35,7 @@
 
 #include "../mono_gd/gd_mono_marshal.h"
 
-MonoObject *godot_icall_GD_bytes2var(MonoArray *p_bytes);
+MonoObject *godot_icall_GD_bytes2var(MonoArray *p_bytes, MonoBoolean p_allow_objects);
 
 MonoObject *godot_icall_GD_convert(MonoObject *p_what, int32_t p_type);
 
@@ -69,9 +69,9 @@ MonoString *godot_icall_GD_str(MonoArray *p_what);
 
 MonoObject *godot_icall_GD_str2var(MonoString *p_str);
 
-bool godot_icall_GD_type_exists(MonoString *p_type);
+MonoBoolean godot_icall_GD_type_exists(MonoString *p_type);
 
-MonoArray *godot_icall_GD_var2bytes(MonoObject *p_var);
+MonoArray *godot_icall_GD_var2bytes(MonoObject *p_var, MonoBoolean p_full_objects);
 
 MonoString *godot_icall_GD_var2str(MonoObject *p_var);
 
diff --git a/modules/mono/glue/glue_header.h b/modules/mono/glue/glue_header.h
index b6e8ac6909..1836130b76 100644
--- a/modules/mono/glue/glue_header.h
+++ b/modules/mono/glue/glue_header.h
@@ -74,4 +74,6 @@ void godot_register_glue_header_icalls() {
 	}                                                  \
 	Object *m_instance = ci->creation_func();
 
+#include "arguments_vector.h"
+
 #endif // MONO_GLUE_ENABLED
diff --git a/modules/mono/mono_gd/gd_mono.cpp b/modules/mono/mono_gd/gd_mono.cpp
index acd8a3b73b..bba7df2c6a 100644
--- a/modules/mono/mono_gd/gd_mono.cpp
+++ b/modules/mono/mono_gd/gd_mono.cpp
@@ -288,7 +288,7 @@ void GDMono::initialize() {
 
 	mono_install_unhandled_exception_hook(&unhandled_exception_hook, NULL);
 
-#ifdef TOOLS_ENABLED
+#ifndef TOOLS_ENABLED
 	if (!DirAccess::exists("res://.mono")) {
 		// 'res://.mono/' is missing so there is nothing to load. We don't need to initialize mono, but
 		// we still do so unless mscorlib is missing (which is the case for projects that don't use C#).
@@ -587,6 +587,8 @@ bool GDMono::_load_core_api_assembly() {
 										CS_GLUE_VERSION != api_assembly_ver.cs_glue_version;
 		if (!core_api_assembly_out_of_sync) {
 			GDMonoUtils::update_godot_api_cache();
+
+			_install_trace_listener();
 		}
 #else
 		GDMonoUtils::update_godot_api_cache();
@@ -690,6 +692,23 @@ bool GDMono::_load_api_assemblies() {
 	return true;
 }
 
+void GDMono::_install_trace_listener() {
+
+#ifdef DEBUG_ENABLED
+	// Install the trace listener now before the project assembly is loaded
+	typedef void (*DebuggingUtils_InstallTraceListener)(MonoObject **);
+	MonoException *exc = NULL;
+	GDMonoClass *debug_utils = core_api_assembly->get_class(BINDINGS_NAMESPACE, "DebuggingUtils");
+	DebuggingUtils_InstallTraceListener install_func =
+			(DebuggingUtils_InstallTraceListener)debug_utils->get_method_thunk("InstallTraceListener");
+	install_func((MonoObject **)&exc);
+	if (exc) {
+		ERR_PRINT("Failed to install System.Diagnostics.Trace listener");
+		GDMonoUtils::debug_print_unhandled_exception(exc);
+	}
+#endif
+}
+
 #ifdef TOOLS_ENABLED
 String GDMono::_get_api_assembly_metadata_path() {
 
@@ -779,8 +798,6 @@ Error GDMono::_unload_scripts_domain() {
 	if (mono_domain_get() != root_domain)
 		mono_domain_set(root_domain, true);
 
-	mono_gc_collect(mono_gc_max_generation());
-
 	finalizing_scripts_domain = true;
 
 	if (!mono_domain_finalize(scripts_domain, 2000)) {
@@ -848,6 +865,8 @@ Error GDMono::reload_scripts_domain() {
 		}
 	}
 
+	CSharpLanguage::get_singleton()->_uninitialize_script_bindings();
+
 	Error err = _load_scripts_domain();
 	if (err != OK) {
 		ERR_PRINT("Mono: Failed to load scripts domain");
@@ -916,14 +935,20 @@ Error GDMono::finalize_and_unload_domain(MonoDomain *p_domain) {
 	if (mono_domain_get() == p_domain)
 		mono_domain_set(root_domain, true);
 
-	mono_gc_collect(mono_gc_max_generation());
 	if (!mono_domain_finalize(p_domain, 2000)) {
 		ERR_PRINT("Mono: Domain finalization timeout");
 	}
+
 	mono_gc_collect(mono_gc_max_generation());
 
 	_domain_assemblies_cleanup(mono_domain_get_id(p_domain));
 
+#ifdef TOOLS_ENABLED
+	if (p_domain == tools_domain) {
+		editor_tools_assembly = NULL;
+	}
+#endif
+
 	MonoException *exc = NULL;
 	mono_domain_try_unload(p_domain, (MonoObject **)&exc);
 
@@ -1025,11 +1050,19 @@ GDMono::~GDMono() {
 
 	if (is_runtime_initialized()) {
 
-		if (scripts_domain) {
+#ifdef TOOLS_ENABLED
+		if (tools_domain) {
+			Error err = finalize_and_unload_domain(tools_domain);
+			if (err != OK) {
+				ERR_PRINT("Mono: Failed to unload tools domain");
+			}
+		}
+#endif
 
+		if (scripts_domain) {
 			Error err = _unload_scripts_domain();
 			if (err != OK) {
-				WARN_PRINT("Mono: Failed to unload scripts domain");
+				ERR_PRINT("Mono: Failed to unload scripts domain");
 			}
 		}
 
@@ -1050,6 +1083,8 @@ GDMono::~GDMono() {
 
 		mono_jit_cleanup(root_domain);
 
+		print_verbose("Mono: Finalized");
+
 		runtime_initialized = false;
 	}
 
diff --git a/modules/mono/mono_gd/gd_mono.h b/modules/mono/mono_gd/gd_mono.h
index 785b65ce13..216c96a612 100644
--- a/modules/mono/mono_gd/gd_mono.h
+++ b/modules/mono/mono_gd/gd_mono.h
@@ -125,6 +125,8 @@ class GDMono {
 	String _get_api_assembly_metadata_path();
 #endif
 
+	void _install_trace_listener();
+
 	void _register_internal_calls();
 
 	Error _load_scripts_domain();
diff --git a/modules/mono/mono_gd/gd_mono_assembly.cpp b/modules/mono/mono_gd/gd_mono_assembly.cpp
index 85273bfdb4..8fec28b186 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.cpp
+++ b/modules/mono/mono_gd/gd_mono_assembly.cpp
@@ -50,7 +50,7 @@ void GDMonoAssembly::fill_search_dirs(Vector<String> &r_search_dirs, const Strin
 
 	const char *rootdir = mono_assembly_getrootdir();
 	if (rootdir) {
-		String framework_dir = String(rootdir).plus_file("mono").plus_file("4.5");
+		String framework_dir = String::utf8(rootdir).plus_file("mono").plus_file("4.5");
 		r_search_dirs.push_back(framework_dir);
 		r_search_dirs.push_back(framework_dir.plus_file("Facades"));
 	}
@@ -277,6 +277,7 @@ Error GDMonoAssembly::load(bool p_refonly) {
 	ERR_FAIL_NULL_V(image, ERR_FILE_CANT_OPEN);
 
 #ifdef DEBUG_ENABLED
+	Vector<uint8_t> pdb_data;
 	String pdb_path(path + ".pdb");
 
 	if (!FileAccess::exists(pdb_path)) {
@@ -286,8 +287,9 @@ Error GDMonoAssembly::load(bool p_refonly) {
 			goto no_pdb;
 	}
 
-	pdb_data.clear();
 	pdb_data = FileAccess::get_file_as_array(pdb_path);
+
+	// mono_debug_close_image doesn't seem to be needed
 	mono_debug_open_image_from_memory(image, &pdb_data[0], pdb_data.size());
 
 no_pdb:
@@ -306,6 +308,9 @@ no_pdb:
 
 	ERR_FAIL_COND_V(status != MONO_IMAGE_OK || assembly == NULL, ERR_FILE_CANT_OPEN);
 
+	// Decrement refcount which was previously incremented by mono_image_open_from_data_with_name
+	mono_image_close(image);
+
 	loaded = true;
 	modified_time = last_modified_time;
 
@@ -321,8 +326,6 @@ Error GDMonoAssembly::wrapper_for_image(MonoImage *p_image) {
 
 	image = p_image;
 
-	mono_image_addref(image);
-
 	loaded = true;
 
 	return OK;
@@ -332,13 +335,6 @@ void GDMonoAssembly::unload() {
 
 	ERR_FAIL_COND(!loaded);
 
-#ifdef DEBUG_ENABLED
-	if (pdb_data.size()) {
-		mono_debug_close_image(image);
-		pdb_data.clear();
-	}
-#endif
-
 	for (Map<MonoClass *, GDMonoClass *>::Element *E = cached_raw.front(); E; E = E->next()) {
 		memdelete(E->value());
 	}
@@ -346,8 +342,6 @@ void GDMonoAssembly::unload() {
 	cached_classes.clear();
 	cached_raw.clear();
 
-	mono_image_close(image);
-
 	assembly = NULL;
 	image = NULL;
 	loaded = false;
diff --git a/modules/mono/mono_gd/gd_mono_assembly.h b/modules/mono/mono_gd/gd_mono_assembly.h
index 8f47ee26f8..32432af37d 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.h
+++ b/modules/mono/mono_gd/gd_mono_assembly.h
@@ -84,10 +84,6 @@ class GDMonoAssembly {
 	bool gdobject_class_cache_updated;
 	Map<StringName, GDMonoClass *> gdobject_class_cache;
 
-#ifdef DEBUG_ENABLED
-	Vector<uint8_t> pdb_data;
-#endif
-
 	static bool no_search;
 	static bool in_preload;
 	static Vector<String> search_dirs;
diff --git a/modules/mono/mono_reg_utils.py b/modules/mono/mono_reg_utils.py
index c8ebb54ded..583708bf07 100644
--- a/modules/mono/mono_reg_utils.py
+++ b/modules/mono/mono_reg_utils.py
@@ -40,7 +40,7 @@ def _reg_open_key_bits(key, subkey, bits):
 def _find_mono_in_reg(subkey, bits):
     try:
         with _reg_open_key_bits(winreg.HKEY_LOCAL_MACHINE, subkey, bits) as hKey:
-            value, regtype = winreg.QueryValueEx(hKey, 'SdkInstallRoot')
+            value = winreg.QueryValueEx(hKey, 'SdkInstallRoot')[0]
             return value
     except (WindowsError, OSError):
         return None
@@ -49,7 +49,7 @@ def _find_mono_in_reg(subkey, bits):
 def _find_mono_in_reg_old(subkey, bits):
     try:
         with _reg_open_key_bits(winreg.HKEY_LOCAL_MACHINE, subkey, bits) as hKey:
-            default_clr, regtype = winreg.QueryValueEx(hKey, 'DefaultCLR')
+            default_clr = winreg.QueryValueEx(hKey, 'DefaultCLR')[0]
             if default_clr:
                 return _find_mono_in_reg(subkey + '\\' + default_clr, bits)
             return None
@@ -91,7 +91,13 @@ def find_msbuild_tools_path_reg():
             if not val:
                 raise ValueError('Value of `installationPath` entry is empty')
 
-            return os.path.join(val, "MSBuild\\15.0\\Bin")
+            # Since VS2019, the directory is simply named "Current"
+            msbuild_dir = os.path.join(val, 'MSBuild\\Current\\Bin')
+            if os.path.isdir(msbuild_dir):
+                return msbuild_dir
+
+            # Directory name "15.0" is used in VS 2017
+            return os.path.join(val, 'MSBuild\\15.0\\Bin')
 
         raise ValueError('Cannot find `installationPath` entry')
     except ValueError as e:
@@ -106,7 +112,7 @@ def find_msbuild_tools_path_reg():
     try:
         subkey = r'SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0'
         with _reg_open_key(winreg.HKEY_LOCAL_MACHINE, subkey) as hKey:
-            value, regtype = winreg.QueryValueEx(hKey, 'MSBuildToolsPath')
+            value = winreg.QueryValueEx(hKey, 'MSBuildToolsPath')[0]
             return value
     except (WindowsError, OSError):
         return ''
diff --git a/modules/mono/utils/mono_reg_utils.cpp b/modules/mono/utils/mono_reg_utils.cpp
index 0eb4b3b8b3..98aeadc8c8 100644
--- a/modules/mono/utils/mono_reg_utils.cpp
+++ b/modules/mono/utils/mono_reg_utils.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "mono_reg_utils.h"
+#include "core/os/dir_access.h"
 
 #ifdef WINDOWS_ENABLED
 
@@ -200,6 +201,13 @@ String find_msbuild_tools_path() {
 						val += "\\";
 					}
 
+					// Since VS2019, the directory is simply named "Current"
+					String msbuild_dir = val + "MSBuild\\Current\\Bin";
+					if (DirAccess::exists(msbuild_dir)) {
+						return msbuild_dir;
+					}
+
+					// Directory name "15.0" is used in VS 2017
 					return val + "MSBuild\\15.0\\Bin";
 				}
 			}
diff --git a/modules/opensimplex/doc_classes/NoiseTexture.xml b/modules/opensimplex/doc_classes/NoiseTexture.xml
index ba54160a90..25f104b221 100644
--- a/modules/opensimplex/doc_classes/NoiseTexture.xml
+++ b/modules/opensimplex/doc_classes/NoiseTexture.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="NoiseTexture" inherits="Texture" category="Core" version="3.1">
+<class name="NoiseTexture" inherits="Texture" category="Core" version="3.2">
 	<brief_description>
 		[OpenSimplexNoise] filled texture.
 	</brief_description>
@@ -17,6 +17,8 @@
 		<member name="as_normalmap" type="bool" setter="set_as_normalmap" getter="is_normalmap">
 			If true, the resulting texture contains a normal map created from the original noise interpreted as a bump map.
 		</member>
+		<member name="bump_strength" type="float" setter="set_bump_strength" getter="get_bump_strength">
+		</member>
 		<member name="height" type="int" setter="set_height" getter="get_height">
 			Height of the generated texture.
 		</member>
diff --git a/modules/opensimplex/doc_classes/OpenSimplexNoise.xml b/modules/opensimplex/doc_classes/OpenSimplexNoise.xml
index 31f13f341c..b5bc35df69 100644
--- a/modules/opensimplex/doc_classes/OpenSimplexNoise.xml
+++ b/modules/opensimplex/doc_classes/OpenSimplexNoise.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="OpenSimplexNoise" inherits="Resource" category="Core" version="3.1">
+<class name="OpenSimplexNoise" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		Noise generator based on Open Simplex.
 	</brief_description>
diff --git a/modules/opus/SCsub b/modules/opus/SCsub
index aa656c575a..b72144c679 100644
--- a/modules/opus/SCsub
+++ b/modules/opus/SCsub
@@ -220,10 +220,15 @@ if env['builtin_opus']:
     ]
     env_opus.Append(CPPPATH=[thirdparty_dir + "/" + dir for dir in thirdparty_include_paths])
 
-    if env["platform"] == "android" or env["platform"] == "iphone":
-        if ("arch" in env and env["arch"] == "arm") or ("android_arch" in env and env["android_arch"] in ["armv6", "armv7"]):
+    if env["platform"] == "android":
+        if ("android_arch" in env and env["android_arch"] in ["armv6", "armv7"]):
             env_opus.Append(CFLAGS=["-DOPUS_ARM_OPT"])
-        elif ("arch" in env and env["arch"] == "arm64") or ("android_arch" in env and env["android_arch"] == "arm64v8"):
+        elif ("android_arch" in env and env["android_arch"] == "arm64v8"):
+            env_opus.Append(CFLAGS=["-DOPUS_ARM64_OPT"])
+    elif env["platform"] == "iphone":
+        if ("arch" in env and env["arch"] == "arm"):
+            env_opus.Append(CFLAGS=["-DOPUS_ARM_OPT"])
+        elif ("arch" in env and env["arch"] == "arm64"):
             env_opus.Append(CFLAGS=["-DOPUS_ARM64_OPT"])
 
     env_thirdparty = env_opus.Clone()
diff --git a/modules/regex/doc_classes/RegEx.xml b/modules/regex/doc_classes/RegEx.xml
index 75e8903ff8..20857572f3 100644
--- a/modules/regex/doc_classes/RegEx.xml
+++ b/modules/regex/doc_classes/RegEx.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RegEx" inherits="Reference" category="Core" version="3.1">
+<class name="RegEx" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Class for searching text for patterns using regular expressions.
 	</brief_description>
diff --git a/modules/regex/doc_classes/RegExMatch.xml b/modules/regex/doc_classes/RegExMatch.xml
index 3d070d2786..9efec91bdc 100644
--- a/modules/regex/doc_classes/RegExMatch.xml
+++ b/modules/regex/doc_classes/RegExMatch.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="RegExMatch" inherits="Reference" category="Core" version="3.1">
+<class name="RegExMatch" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		Contains the results of a regex search.
 	</brief_description>
diff --git a/modules/stb_vorbis/doc_classes/AudioStreamOGGVorbis.xml b/modules/stb_vorbis/doc_classes/AudioStreamOGGVorbis.xml
index e2281babf7..574ff1ff2a 100644
--- a/modules/stb_vorbis/doc_classes/AudioStreamOGGVorbis.xml
+++ b/modules/stb_vorbis/doc_classes/AudioStreamOGGVorbis.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamOGGVorbis" inherits="AudioStream" category="Core" version="3.1">
+<class name="AudioStreamOGGVorbis" inherits="AudioStream" category="Core" version="3.2">
 	<brief_description>
 		OGG Vorbis audio stream driver.
 	</brief_description>
diff --git a/modules/stb_vorbis/doc_classes/ResourceImporterOGGVorbis.xml b/modules/stb_vorbis/doc_classes/ResourceImporterOGGVorbis.xml
index 018f4734ec..ade485e717 100644
--- a/modules/stb_vorbis/doc_classes/ResourceImporterOGGVorbis.xml
+++ b/modules/stb_vorbis/doc_classes/ResourceImporterOGGVorbis.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="ResourceImporterOGGVorbis" inherits="ResourceImporter" category="Core" version="3.1">
+<class name="ResourceImporterOGGVorbis" inherits="ResourceImporter" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/theora/doc_classes/VideoStreamTheora.xml b/modules/theora/doc_classes/VideoStreamTheora.xml
index e7c4727332..2bd8ad862f 100644
--- a/modules/theora/doc_classes/VideoStreamTheora.xml
+++ b/modules/theora/doc_classes/VideoStreamTheora.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VideoStreamTheora" inherits="VideoStream" category="Core" version="3.1">
+<class name="VideoStreamTheora" inherits="VideoStream" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/tinyexr/image_loader_tinyexr.cpp b/modules/tinyexr/image_loader_tinyexr.cpp
index e69d9a0ae3..bd84a28c84 100644
--- a/modules/tinyexr/image_loader_tinyexr.cpp
+++ b/modules/tinyexr/image_loader_tinyexr.cpp
@@ -107,22 +107,31 @@ Error ImageLoaderTinyEXR::load_image(Ref<Image> p_image, FileAccess *f, bool p_f
 		}
 	}
 
-	if (idxR == -1) {
-		ERR_PRINT("TinyEXR: R channel not found.");
-		// @todo { free exr_image }
-		return ERR_FILE_CORRUPT;
-	}
+	if (exr_header.num_channels == 1) {
+		// Grayscale channel only.
+		idxR = 0;
+		idxG = 0;
+		idxB = 0;
+		idxA = 0;
+	} else {
+		// Assume RGB(A)
+		if (idxR == -1) {
+			ERR_PRINT("TinyEXR: R channel not found.");
+			// @todo { free exr_image }
+			return ERR_FILE_CORRUPT;
+		}
 
-	if (idxG == -1) {
-		ERR_PRINT("TinyEXR: G channel not found.")
-		// @todo { free exr_image }
-		return ERR_FILE_CORRUPT;
-	}
+		if (idxG == -1) {
+			ERR_PRINT("TinyEXR: G channel not found.")
+			// @todo { free exr_image }
+			return ERR_FILE_CORRUPT;
+		}
 
-	if (idxB == -1) {
-		ERR_PRINT("TinyEXR: B channel not found.")
-		// @todo { free exr_image }
-		return ERR_FILE_CORRUPT;
+		if (idxB == -1) {
+			ERR_PRINT("TinyEXR: B channel not found.")
+			// @todo { free exr_image }
+			return ERR_FILE_CORRUPT;
+		}
 	}
 
 	// EXR image data loaded, now parse it into Godot-friendly image data
diff --git a/modules/upnp/doc_classes/UPNP.xml b/modules/upnp/doc_classes/UPNP.xml
index b98327c60d..0f967c993b 100644
--- a/modules/upnp/doc_classes/UPNP.xml
+++ b/modules/upnp/doc_classes/UPNP.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="UPNP" inherits="Reference" category="Core" version="3.1">
+<class name="UPNP" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		UPNP network functions.
 	</brief_description>
diff --git a/modules/upnp/doc_classes/UPNPDevice.xml b/modules/upnp/doc_classes/UPNPDevice.xml
index 9de8042daf..c9b695a651 100644
--- a/modules/upnp/doc_classes/UPNPDevice.xml
+++ b/modules/upnp/doc_classes/UPNPDevice.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="UPNPDevice" inherits="Reference" category="Core" version="3.1">
+<class name="UPNPDevice" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 		UPNP device.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScript.xml b/modules/visual_script/doc_classes/VisualScript.xml
index 70849c5a80..f4a9bc68e6 100644
--- a/modules/visual_script/doc_classes/VisualScript.xml
+++ b/modules/visual_script/doc_classes/VisualScript.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScript" inherits="Script" category="Core" version="3.1">
+<class name="VisualScript" inherits="Script" category="Core" version="3.2">
 	<brief_description>
 		A script implemented in the Visual Script programming environment.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptBasicTypeConstant.xml b/modules/visual_script/doc_classes/VisualScriptBasicTypeConstant.xml
index 5ec155fbc6..ce49cdf3a0 100644
--- a/modules/visual_script/doc_classes/VisualScriptBasicTypeConstant.xml
+++ b/modules/visual_script/doc_classes/VisualScriptBasicTypeConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptBasicTypeConstant" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptBasicTypeConstant" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node representing a constant from the base types.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptBuiltinFunc.xml b/modules/visual_script/doc_classes/VisualScriptBuiltinFunc.xml
index 3a1d773058..dd14d60327 100644
--- a/modules/visual_script/doc_classes/VisualScriptBuiltinFunc.xml
+++ b/modules/visual_script/doc_classes/VisualScriptBuiltinFunc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptBuiltinFunc" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptBuiltinFunc" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node used to call built-in functions.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptClassConstant.xml b/modules/visual_script/doc_classes/VisualScriptClassConstant.xml
index dc9044e9ed..32b5924cdc 100644
--- a/modules/visual_script/doc_classes/VisualScriptClassConstant.xml
+++ b/modules/visual_script/doc_classes/VisualScriptClassConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptClassConstant" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptClassConstant" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Gets a constant from a given class.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptComment.xml b/modules/visual_script/doc_classes/VisualScriptComment.xml
index a4a890ea8a..990e0ecb85 100644
--- a/modules/visual_script/doc_classes/VisualScriptComment.xml
+++ b/modules/visual_script/doc_classes/VisualScriptComment.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptComment" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptComment" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node used to annotate the script.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptCondition.xml b/modules/visual_script/doc_classes/VisualScriptCondition.xml
index a7b1028c0c..94c075205d 100644
--- a/modules/visual_script/doc_classes/VisualScriptCondition.xml
+++ b/modules/visual_script/doc_classes/VisualScriptCondition.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptCondition" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptCondition" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node which branches the flow.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptConstant.xml b/modules/visual_script/doc_classes/VisualScriptConstant.xml
index ed633c4135..0fc4e87db4 100644
--- a/modules/visual_script/doc_classes/VisualScriptConstant.xml
+++ b/modules/visual_script/doc_classes/VisualScriptConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptConstant" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptConstant" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Gets a contant's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptConstructor.xml b/modules/visual_script/doc_classes/VisualScriptConstructor.xml
index 14c44c6970..05fc3f318d 100644
--- a/modules/visual_script/doc_classes/VisualScriptConstructor.xml
+++ b/modules/visual_script/doc_classes/VisualScriptConstructor.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptConstructor" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptConstructor" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node which calls a base type constructor.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptCustomNode.xml b/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
index ff3ed66e81..0ad4e7c1f5 100644
--- a/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
+++ b/modules/visual_script/doc_classes/VisualScriptCustomNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptCustomNode" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptCustomNode" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A scripted Visual Script node.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptDeconstruct.xml b/modules/visual_script/doc_classes/VisualScriptDeconstruct.xml
index d3158df357..b933a25f1d 100644
--- a/modules/visual_script/doc_classes/VisualScriptDeconstruct.xml
+++ b/modules/visual_script/doc_classes/VisualScriptDeconstruct.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptDeconstruct" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptDeconstruct" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node which deconstructs a base type instance into its parts.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptEditor.xml b/modules/visual_script/doc_classes/VisualScriptEditor.xml
index fc49cfc07b..be4606b57c 100644
--- a/modules/visual_script/doc_classes/VisualScriptEditor.xml
+++ b/modules/visual_script/doc_classes/VisualScriptEditor.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptEditor" inherits="Object" category="Core" version="3.1">
+<class name="VisualScriptEditor" inherits="Object" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptEmitSignal.xml b/modules/visual_script/doc_classes/VisualScriptEmitSignal.xml
index 4bb05525bd..3282269811 100644
--- a/modules/visual_script/doc_classes/VisualScriptEmitSignal.xml
+++ b/modules/visual_script/doc_classes/VisualScriptEmitSignal.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptEmitSignal" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptEmitSignal" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Emits a specified signal.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptEngineSingleton.xml b/modules/visual_script/doc_classes/VisualScriptEngineSingleton.xml
index 93d7ce3516..3e52fb818c 100644
--- a/modules/visual_script/doc_classes/VisualScriptEngineSingleton.xml
+++ b/modules/visual_script/doc_classes/VisualScriptEngineSingleton.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptEngineSingleton" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptEngineSingleton" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		A Visual Script node returning a singleton from [@GlobalScope]
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptExpression.xml b/modules/visual_script/doc_classes/VisualScriptExpression.xml
index 343e83cb55..4760685bfb 100644
--- a/modules/visual_script/doc_classes/VisualScriptExpression.xml
+++ b/modules/visual_script/doc_classes/VisualScriptExpression.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptExpression" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptExpression" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptFunction.xml b/modules/visual_script/doc_classes/VisualScriptFunction.xml
index ec8e955cf7..dc021196cd 100644
--- a/modules/visual_script/doc_classes/VisualScriptFunction.xml
+++ b/modules/visual_script/doc_classes/VisualScriptFunction.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptFunction" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptFunction" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptFunctionCall.xml b/modules/visual_script/doc_classes/VisualScriptFunctionCall.xml
index f6116cf539..e978437542 100644
--- a/modules/visual_script/doc_classes/VisualScriptFunctionCall.xml
+++ b/modules/visual_script/doc_classes/VisualScriptFunctionCall.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptFunctionCall" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptFunctionCall" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptFunctionState.xml b/modules/visual_script/doc_classes/VisualScriptFunctionState.xml
index c75dd0cdbc..a5e15b8da2 100644
--- a/modules/visual_script/doc_classes/VisualScriptFunctionState.xml
+++ b/modules/visual_script/doc_classes/VisualScriptFunctionState.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptFunctionState" inherits="Reference" category="Core" version="3.1">
+<class name="VisualScriptFunctionState" inherits="Reference" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptGlobalConstant.xml b/modules/visual_script/doc_classes/VisualScriptGlobalConstant.xml
index 9d43204f02..2d609ed262 100644
--- a/modules/visual_script/doc_classes/VisualScriptGlobalConstant.xml
+++ b/modules/visual_script/doc_classes/VisualScriptGlobalConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptGlobalConstant" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptGlobalConstant" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptIndexGet.xml b/modules/visual_script/doc_classes/VisualScriptIndexGet.xml
index 73c1f47e1a..16499e9ec9 100644
--- a/modules/visual_script/doc_classes/VisualScriptIndexGet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptIndexGet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptIndexGet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptIndexGet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptIndexSet.xml b/modules/visual_script/doc_classes/VisualScriptIndexSet.xml
index 652c29a9ac..06844ac4ae 100644
--- a/modules/visual_script/doc_classes/VisualScriptIndexSet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptIndexSet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptIndexSet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptIndexSet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptInputAction.xml b/modules/visual_script/doc_classes/VisualScriptInputAction.xml
index ab4c23012b..01887e0764 100644
--- a/modules/visual_script/doc_classes/VisualScriptInputAction.xml
+++ b/modules/visual_script/doc_classes/VisualScriptInputAction.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptInputAction" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptInputAction" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptIterator.xml b/modules/visual_script/doc_classes/VisualScriptIterator.xml
index 7090621bd7..496c24dee4 100644
--- a/modules/visual_script/doc_classes/VisualScriptIterator.xml
+++ b/modules/visual_script/doc_classes/VisualScriptIterator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptIterator" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptIterator" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Steps through items in a given input.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptLocalVar.xml b/modules/visual_script/doc_classes/VisualScriptLocalVar.xml
index 5c8ee6453c..cd7286b59b 100644
--- a/modules/visual_script/doc_classes/VisualScriptLocalVar.xml
+++ b/modules/visual_script/doc_classes/VisualScriptLocalVar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptLocalVar" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptLocalVar" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Gets a local variable's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptLocalVarSet.xml b/modules/visual_script/doc_classes/VisualScriptLocalVarSet.xml
index f2e6c48907..f8fe2f4b6b 100644
--- a/modules/visual_script/doc_classes/VisualScriptLocalVarSet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptLocalVarSet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptLocalVarSet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptLocalVarSet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Changes a local variable's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptMathConstant.xml b/modules/visual_script/doc_classes/VisualScriptMathConstant.xml
index d456e880b7..733b48203d 100644
--- a/modules/visual_script/doc_classes/VisualScriptMathConstant.xml
+++ b/modules/visual_script/doc_classes/VisualScriptMathConstant.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptMathConstant" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptMathConstant" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Commonly used mathematical constants.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptNode.xml b/modules/visual_script/doc_classes/VisualScriptNode.xml
index 941a0cd91a..86bd469d5c 100644
--- a/modules/visual_script/doc_classes/VisualScriptNode.xml
+++ b/modules/visual_script/doc_classes/VisualScriptNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptNode" inherits="Resource" category="Core" version="3.1">
+<class name="VisualScriptNode" inherits="Resource" category="Core" version="3.2">
 	<brief_description>
 		A node which is part of a [VisualScript].
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptOperator.xml b/modules/visual_script/doc_classes/VisualScriptOperator.xml
index e60d50c977..d722477653 100644
--- a/modules/visual_script/doc_classes/VisualScriptOperator.xml
+++ b/modules/visual_script/doc_classes/VisualScriptOperator.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptOperator" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptOperator" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptPreload.xml b/modules/visual_script/doc_classes/VisualScriptPreload.xml
index 5a2886ccac..b811252c42 100644
--- a/modules/visual_script/doc_classes/VisualScriptPreload.xml
+++ b/modules/visual_script/doc_classes/VisualScriptPreload.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptPreload" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptPreload" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Creates a new [Resource] or loads one from the filesystem.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptPropertyGet.xml b/modules/visual_script/doc_classes/VisualScriptPropertyGet.xml
index 60cc8fdd4f..7f652b7012 100644
--- a/modules/visual_script/doc_classes/VisualScriptPropertyGet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptPropertyGet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptPropertyGet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptPropertyGet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptPropertySet.xml b/modules/visual_script/doc_classes/VisualScriptPropertySet.xml
index 8f29e9d152..ef9938c6a7 100644
--- a/modules/visual_script/doc_classes/VisualScriptPropertySet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptPropertySet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptPropertySet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptPropertySet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptResourcePath.xml b/modules/visual_script/doc_classes/VisualScriptResourcePath.xml
index f6300e03f0..2a5c56cf69 100644
--- a/modules/visual_script/doc_classes/VisualScriptResourcePath.xml
+++ b/modules/visual_script/doc_classes/VisualScriptResourcePath.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptResourcePath" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptResourcePath" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptReturn.xml b/modules/visual_script/doc_classes/VisualScriptReturn.xml
index 0ca3e3b612..7daddc7639 100644
--- a/modules/visual_script/doc_classes/VisualScriptReturn.xml
+++ b/modules/visual_script/doc_classes/VisualScriptReturn.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptReturn" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptReturn" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Exits a function and returns an optional value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSceneNode.xml b/modules/visual_script/doc_classes/VisualScriptSceneNode.xml
index 7704eaba04..8604a0f5eb 100644
--- a/modules/visual_script/doc_classes/VisualScriptSceneNode.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSceneNode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSceneNode" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSceneNode" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Node reference.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSceneTree.xml b/modules/visual_script/doc_classes/VisualScriptSceneTree.xml
index 2c2af9262d..72a2faaa78 100644
--- a/modules/visual_script/doc_classes/VisualScriptSceneTree.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSceneTree.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSceneTree" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSceneTree" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSelect.xml b/modules/visual_script/doc_classes/VisualScriptSelect.xml
index 0731fc77e1..c87f77ea65 100644
--- a/modules/visual_script/doc_classes/VisualScriptSelect.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSelect.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSelect" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSelect" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Chooses between two input values.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSelf.xml b/modules/visual_script/doc_classes/VisualScriptSelf.xml
index 61a73e104c..42c75e56a6 100644
--- a/modules/visual_script/doc_classes/VisualScriptSelf.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSelf.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSelf" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSelf" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Outputs a reference to the current instance.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSequence.xml b/modules/visual_script/doc_classes/VisualScriptSequence.xml
index c71e068045..c26c72dd50 100644
--- a/modules/visual_script/doc_classes/VisualScriptSequence.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSequence.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSequence" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSequence" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Executes a series of Sequence ports.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSubCall.xml b/modules/visual_script/doc_classes/VisualScriptSubCall.xml
index 46aeebab9c..712b4ed09b 100644
--- a/modules/visual_script/doc_classes/VisualScriptSubCall.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSubCall.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSubCall" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSubCall" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptSwitch.xml b/modules/visual_script/doc_classes/VisualScriptSwitch.xml
index a00811a29b..0053733b34 100644
--- a/modules/visual_script/doc_classes/VisualScriptSwitch.xml
+++ b/modules/visual_script/doc_classes/VisualScriptSwitch.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptSwitch" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptSwitch" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Branches program flow based on a given input's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptTypeCast.xml b/modules/visual_script/doc_classes/VisualScriptTypeCast.xml
index 0bdc4ce89d..85b3980e21 100644
--- a/modules/visual_script/doc_classes/VisualScriptTypeCast.xml
+++ b/modules/visual_script/doc_classes/VisualScriptTypeCast.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptTypeCast" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptTypeCast" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptVariableGet.xml b/modules/visual_script/doc_classes/VisualScriptVariableGet.xml
index 06178a399d..27bf223aac 100644
--- a/modules/visual_script/doc_classes/VisualScriptVariableGet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptVariableGet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptVariableGet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptVariableGet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Gets a variable's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptVariableSet.xml b/modules/visual_script/doc_classes/VisualScriptVariableSet.xml
index 5969f25060..c55c72d55e 100644
--- a/modules/visual_script/doc_classes/VisualScriptVariableSet.xml
+++ b/modules/visual_script/doc_classes/VisualScriptVariableSet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptVariableSet" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptVariableSet" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Changes a variable's value.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptWhile.xml b/modules/visual_script/doc_classes/VisualScriptWhile.xml
index b9e7f6a553..b7ed56e7d2 100644
--- a/modules/visual_script/doc_classes/VisualScriptWhile.xml
+++ b/modules/visual_script/doc_classes/VisualScriptWhile.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptWhile" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptWhile" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 		Conditional loop.
 	</brief_description>
diff --git a/modules/visual_script/doc_classes/VisualScriptYield.xml b/modules/visual_script/doc_classes/VisualScriptYield.xml
index c4698f746a..5aa0f76a55 100644
--- a/modules/visual_script/doc_classes/VisualScriptYield.xml
+++ b/modules/visual_script/doc_classes/VisualScriptYield.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptYield" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptYield" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/doc_classes/VisualScriptYieldSignal.xml b/modules/visual_script/doc_classes/VisualScriptYieldSignal.xml
index b67e4ab1b8..8e3b2aec1d 100644
--- a/modules/visual_script/doc_classes/VisualScriptYieldSignal.xml
+++ b/modules/visual_script/doc_classes/VisualScriptYieldSignal.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VisualScriptYieldSignal" inherits="VisualScriptNode" category="Core" version="3.1">
+<class name="VisualScriptYieldSignal" inherits="VisualScriptNode" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/visual_script/visual_script_builtin_funcs.cpp b/modules/visual_script/visual_script_builtin_funcs.cpp
index 9f2d1a49c0..0d379205e4 100644
--- a/modules/visual_script/visual_script_builtin_funcs.cpp
+++ b/modules/visual_script/visual_script_builtin_funcs.cpp
@@ -183,10 +183,10 @@ int VisualScriptBuiltinFunc::get_func_argument_count(BuiltinFunc p_func) {
 		case TEXT_PRINTRAW:
 		case VAR_TO_STR:
 		case STR_TO_VAR:
-		case VAR_TO_BYTES:
-		case BYTES_TO_VAR:
 		case TYPE_EXISTS:
 			return 1;
+		case VAR_TO_BYTES:
+		case BYTES_TO_VAR:
 		case MATH_ATAN2:
 		case MATH_FMOD:
 		case MATH_FPOSMOD:
@@ -491,12 +491,18 @@ PropertyInfo VisualScriptBuiltinFunc::get_input_value_port_info(int p_idx) const
 			return PropertyInfo(Variant::STRING, "string");
 		} break;
 		case VAR_TO_BYTES: {
-			return PropertyInfo(Variant::NIL, "var");
+			if (p_idx == 0)
+				return PropertyInfo(Variant::NIL, "var");
+			else
+				return PropertyInfo(Variant::BOOL, "full_objects");
 
 		} break;
 		case BYTES_TO_VAR: {
 
-			return PropertyInfo(Variant::POOL_BYTE_ARRAY, "bytes");
+			if (p_idx == 0)
+				return PropertyInfo(Variant::POOL_BYTE_ARRAY, "bytes");
+			else
+				return PropertyInfo(Variant::BOOL, "allow_objects");
 		} break;
 		case COLORN: {
 
@@ -655,11 +661,15 @@ PropertyInfo VisualScriptBuiltinFunc::get_output_value_port_info(int p_idx) cons
 
 		} break;
 		case VAR_TO_BYTES: {
-			t = Variant::POOL_BYTE_ARRAY;
+			if (p_idx == 0)
+				t = Variant::POOL_BYTE_ARRAY;
+			else
+				t = Variant::BOOL;
 
 		} break;
 		case BYTES_TO_VAR: {
-
+			if (p_idx == 1)
+				t = Variant::BOOL;
 		} break;
 		case COLORN: {
 			t = Variant::COLOR;
@@ -1192,9 +1202,16 @@ void VisualScriptBuiltinFunc::exec_func(BuiltinFunc p_func, const Variant **p_in
 		} break;
 		case VisualScriptBuiltinFunc::VAR_TO_BYTES: {
 
+			if (p_inputs[1]->get_type() != Variant::BOOL) {
+				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+				r_error.argument = 1;
+				r_error.expected = Variant::BOOL;
+				return;
+			}
 			PoolByteArray barr;
 			int len;
-			Error err = encode_variant(*p_inputs[0], NULL, len);
+			bool full_objects = *p_inputs[1];
+			Error err = encode_variant(*p_inputs[0], NULL, len, full_objects);
 			if (err) {
 				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
 				r_error.argument = 0;
@@ -1206,7 +1223,7 @@ void VisualScriptBuiltinFunc::exec_func(BuiltinFunc p_func, const Variant **p_in
 			barr.resize(len);
 			{
 				PoolByteArray::Write w = barr.write();
-				encode_variant(*p_inputs[0], w.ptr(), len);
+				encode_variant(*p_inputs[0], w.ptr(), len, full_objects);
 			}
 			*r_return = barr;
 		} break;
@@ -1216,15 +1233,21 @@ void VisualScriptBuiltinFunc::exec_func(BuiltinFunc p_func, const Variant **p_in
 				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
 				r_error.argument = 0;
 				r_error.expected = Variant::POOL_BYTE_ARRAY;
-
+				return;
+			}
+			if (p_inputs[1]->get_type() != Variant::BOOL) {
+				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+				r_error.argument = 1;
+				r_error.expected = Variant::BOOL;
 				return;
 			}
 
 			PoolByteArray varr = *p_inputs[0];
+			bool allow_objects = *p_inputs[1];
 			Variant ret;
 			{
 				PoolByteArray::Read r = varr.read();
-				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL);
+				Error err = decode_variant(ret, r.ptr(), varr.size(), NULL, allow_objects);
 				if (err != OK) {
 					r_error_str = RTR("Not enough bytes for decoding bytes, or invalid format.");
 					r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
diff --git a/modules/webm/doc_classes/VideoStreamWebm.xml b/modules/webm/doc_classes/VideoStreamWebm.xml
index c02a7a8016..33dff0e93b 100644
--- a/modules/webm/doc_classes/VideoStreamWebm.xml
+++ b/modules/webm/doc_classes/VideoStreamWebm.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="VideoStreamWebm" inherits="VideoStream" category="Core" version="3.1">
+<class name="VideoStreamWebm" inherits="VideoStream" category="Core" version="3.2">
 	<brief_description>
 	</brief_description>
 	<description>
diff --git a/modules/websocket/SCsub b/modules/websocket/SCsub
index b67a836fe8..0345e533bc 100644
--- a/modules/websocket/SCsub
+++ b/modules/websocket/SCsub
@@ -9,85 +9,90 @@ env_lws = env_modules.Clone()
 
 if env['builtin_libwebsockets'] and not env["platform"] == "javascript": # already builtin for javascript
     thirdparty_dir = "#thirdparty/libwebsockets/"
-    helper_dir = "win32helpers/"
+    helper_dir = "#thirdparty/libwebsockets/win32helpers/"
     thirdparty_sources = [
 
-        "core/alloc.c",
-        "core/context.c",
-        "core/libwebsockets.c",
-        "core/output.c",
-        "core/pollfd.c",
-        "core/service.c",
-
-        "event-libs/poll/poll.c",
-
-        "misc/base64-decode.c",
-        "misc/lejp.c",
-        "misc/sha-1.c",
-
-        "roles/h1/ops-h1.c",
-        "roles/http/header.c",
-        "roles/http/client/client.c",
-        "roles/http/client/client-handshake.c",
-        "roles/http/server/fops-zip.c",
-        "roles/http/server/lejp-conf.c",
-        "roles/http/server/parsers.c",
-        "roles/http/server/server.c",
-        "roles/listen/ops-listen.c",
-        "roles/pipe/ops-pipe.c",
-        "roles/raw/ops-raw.c",
-
-        "roles/ws/client-ws.c",
-        "roles/ws/client-parser-ws.c",
-        "roles/ws/ops-ws.c",
-        "roles/ws/server-ws.c",
-
-        "tls/tls.c",
-        "tls/tls-client.c",
-        "tls/tls-server.c",
-
-        "tls/mbedtls/wrapper/library/ssl_cert.c",
-        "tls/mbedtls/wrapper/library/ssl_pkey.c",
-        "tls/mbedtls/wrapper/library/ssl_stack.c",
-        "tls/mbedtls/wrapper/library/ssl_methods.c",
-        "tls/mbedtls/wrapper/library/ssl_lib.c",
-        "tls/mbedtls/wrapper/library/ssl_x509.c",
-        "tls/mbedtls/wrapper/platform/ssl_port.c",
-        "tls/mbedtls/wrapper/platform/ssl_pm.c",
-        "tls/mbedtls/lws-genhash.c",
-        "tls/mbedtls/mbedtls-client.c",
-        "tls/mbedtls/lws-genrsa.c",
-        "tls/mbedtls/ssl.c",
-        "tls/mbedtls/mbedtls-server.c"
+        "lib/core/adopt.c",
+        "lib/core/alloc.c",
+        "lib/core/connect.c",
+        "lib/core/context.c",
+        "lib/core/dummy-callback.c",
+        "lib/core/libwebsockets.c",
+        "lib/core/output.c",
+        "lib/core/pollfd.c",
+        "lib/core/service.c",
+
+        "lib/event-libs/poll/poll.c",
+
+        "lib/misc/base64-decode.c",
+        "lib/misc/lejp.c",
+        "lib/misc/sha-1.c",
+
+        "lib/roles/h1/ops-h1.c",
+        "lib/roles/http/header.c",
+        "lib/roles/http/client/client.c",
+        "lib/roles/http/client/client-handshake.c",
+        "lib/roles/http/server/fops-zip.c",
+        "lib/roles/http/server/lejp-conf.c",
+        "lib/roles/http/server/parsers.c",
+        "lib/roles/http/server/server.c",
+        "lib/roles/listen/ops-listen.c",
+        "lib/roles/pipe/ops-pipe.c",
+        "lib/roles/raw-skt/ops-raw-skt.c",
+        "lib/roles/raw-file/ops-raw-file.c",
+
+        "lib/roles/ws/client-ws.c",
+        "lib/roles/ws/client-parser-ws.c",
+        "lib/roles/ws/ops-ws.c",
+        "lib/roles/ws/server-ws.c",
+
+        "lib/tls/tls.c",
+        "lib/tls/tls-client.c",
+        "lib/tls/tls-server.c",
+
+        "lib/tls/mbedtls/wrapper/library/ssl_cert.c",
+        "lib/tls/mbedtls/wrapper/library/ssl_pkey.c",
+        "lib/tls/mbedtls/wrapper/library/ssl_stack.c",
+        "lib/tls/mbedtls/wrapper/library/ssl_methods.c",
+        "lib/tls/mbedtls/wrapper/library/ssl_lib.c",
+        "lib/tls/mbedtls/wrapper/library/ssl_x509.c",
+        "lib/tls/mbedtls/wrapper/platform/ssl_port.c",
+        "lib/tls/mbedtls/wrapper/platform/ssl_pm.c",
+        "lib/tls/mbedtls/lws-genhash.c",
+        "lib/tls/mbedtls/mbedtls-client.c",
+        "lib/tls/mbedtls/lws-genrsa.c",
+        "lib/tls/mbedtls/ssl.c",
+        "lib/tls/mbedtls/mbedtls-server.c"
     ]
 
     if env["platform"] == "android": # Builtin getifaddrs
-        thirdparty_sources += ["misc/getifaddrs.c"]
+        thirdparty_sources += ["lib/misc/getifaddrs.c"]
+
+    thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
 
     if env["platform"] == "windows" or env["platform"] == "uwp": # Winsock
-        thirdparty_sources += ["plat/lws-plat-win.c", helper_dir + "getopt.c", helper_dir + "getopt_long.c", helper_dir + "gettimeofday.c"]
+        thirdparty_sources += Glob(thirdparty_dir + "lib/plat/windows/*.c") + [helper_dir + src for src in ["getopt.c", "getopt_long.c", "gettimeofday.c"]]
     else: # Unix socket
-        thirdparty_sources += ["plat/lws-plat-unix.c"]
-
-    thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+        thirdparty_sources += Glob(thirdparty_dir + "lib/plat/unix/*.c")
 
-    env_lws.Append(CPPPATH=[thirdparty_dir])
+    env_lws.Append(CPPPATH=[thirdparty_dir + 'include/'])
 
     if env['builtin_mbedtls']:
         mbedtls_includes = "#thirdparty/mbedtls/include"
         env_lws.Prepend(CPPPATH=[mbedtls_includes])
 
-    wrapper_includes = ["#thirdparty/libwebsockets/tls/mbedtls/wrapper/include/" + inc for inc in ["internal", "openssl", "platform", ""]]
+    wrapper_includes = ["#thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/" + inc for inc in ["internal", "openssl", "platform", ""]]
     env_lws.Prepend(CPPPATH=wrapper_includes)
 
     if env["platform"] == "windows" or env["platform"] == "uwp":
-        env_lws.Append(CPPPATH=[thirdparty_dir + helper_dir])
+        env_lws.Append(CPPPATH=[helper_dir])
 
     if env["platform"] == "uwp":
         env_lws.Append(CCFLAGS=["/DLWS_MINGW_SUPPORT"])
 
     env_thirdparty = env_lws.Clone()
     env_thirdparty.disable_warnings()
+    env_thirdparty.Append(CPPPATH=[thirdparty_dir + 'lib/'])
     env_thirdparty.add_source_files(env.modules_sources, thirdparty_sources)
 
 env_lws.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/websocket/doc_classes/WebSocketClient.xml b/modules/websocket/doc_classes/WebSocketClient.xml
index ffb6d40e30..cb85fe864d 100644
--- a/modules/websocket/doc_classes/WebSocketClient.xml
+++ b/modules/websocket/doc_classes/WebSocketClient.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WebSocketClient" inherits="WebSocketMultiplayerPeer" category="Core" version="3.1">
+<class name="WebSocketClient" inherits="WebSocketMultiplayerPeer" category="Core" version="3.2">
 	<brief_description>
 		A WebSocket client implementation
 	</brief_description>
diff --git a/modules/websocket/doc_classes/WebSocketMultiplayerPeer.xml b/modules/websocket/doc_classes/WebSocketMultiplayerPeer.xml
index 1a841f85ed..139480c31f 100644
--- a/modules/websocket/doc_classes/WebSocketMultiplayerPeer.xml
+++ b/modules/websocket/doc_classes/WebSocketMultiplayerPeer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WebSocketMultiplayerPeer" inherits="NetworkedMultiplayerPeer" category="Core" version="3.1">
+<class name="WebSocketMultiplayerPeer" inherits="NetworkedMultiplayerPeer" category="Core" version="3.2">
 	<brief_description>
 		Base class for WebSocket server and client.
 	</brief_description>
diff --git a/modules/websocket/doc_classes/WebSocketPeer.xml b/modules/websocket/doc_classes/WebSocketPeer.xml
index 5dda012899..3b3692dd87 100644
--- a/modules/websocket/doc_classes/WebSocketPeer.xml
+++ b/modules/websocket/doc_classes/WebSocketPeer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WebSocketPeer" inherits="PacketPeer" category="Core" version="3.1">
+<class name="WebSocketPeer" inherits="PacketPeer" category="Core" version="3.2">
 	<brief_description>
 		A class representing a specific WebSocket connection.
 	</brief_description>
diff --git a/modules/websocket/doc_classes/WebSocketServer.xml b/modules/websocket/doc_classes/WebSocketServer.xml
index 2932bf782a..4740bd6dcf 100644
--- a/modules/websocket/doc_classes/WebSocketServer.xml
+++ b/modules/websocket/doc_classes/WebSocketServer.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="WebSocketServer" inherits="WebSocketMultiplayerPeer" category="Core" version="3.1">
+<class name="WebSocketServer" inherits="WebSocketMultiplayerPeer" category="Core" version="3.2">
 	<brief_description>
 		A WebSocket server implementation
 	</brief_description>
diff --git a/modules/websocket/lws_client.cpp b/modules/websocket/lws_client.cpp
index 2dce0ed1f5..d09558ab22 100644
--- a/modules/websocket/lws_client.cpp
+++ b/modules/websocket/lws_client.cpp
@@ -34,7 +34,10 @@
 #include "core/io/ip.h"
 #include "core/io/stream_peer_ssl.h"
 #include "core/project_settings.h"
-#include "tls/mbedtls/wrapper/include/openssl/ssl.h"
+#if defined(LWS_OPENSSL_SUPPORT)
+// Not openssl, just the mbedtls wrapper
+#include "openssl/ssl.h"
+#endif
 
 Error LWSClient::connect_to_host(String p_host, String p_path, uint16_t p_port, bool p_ssl, PoolVector<String> p_protocols) {
 
@@ -121,6 +124,7 @@ int LWSClient::_handle_cb(struct lws *wsi, enum lws_callback_reasons reason, voi
 	LWSPeer::PeerData *peer_data = (LWSPeer::PeerData *)user;
 
 	switch (reason) {
+#if defined(LWS_OPENSSL_SUPPORT)
 		case LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS: {
 			PoolByteArray arr = StreamPeerSSL::get_project_cert_array();
 			if (arr.size() > 0)
@@ -128,7 +132,7 @@ int LWSClient::_handle_cb(struct lws *wsi, enum lws_callback_reasons reason, voi
 			else if (verify_ssl)
 				WARN_PRINTS("No CA cert specified in project settings, SSL will not work");
 		} break;
-
+#endif
 		case LWS_CALLBACK_CLIENT_ESTABLISHED:
 			peer->set_wsi(wsi, _in_buf_size, _in_pkt_size, _out_buf_size, _out_pkt_size);
 			peer_data->peer_id = 0;
diff --git a/modules/websocket/packet_buffer.h b/modules/websocket/packet_buffer.h
index 47786a87a6..057fecfb56 100644
--- a/modules/websocket/packet_buffer.h
+++ b/modules/websocket/packet_buffer.h
@@ -59,7 +59,7 @@ public:
 			ERR_FAIL_V(ERR_OUT_OF_MEMORY);
 		}
 #else
-		ERR_FAIL_COND_V(p_payload && _payload.space_left() < p_size, ERR_OUT_OF_MEMORY);
+		ERR_FAIL_COND_V(p_payload && (uint32_t)_payload.space_left() < p_size, ERR_OUT_OF_MEMORY);
 		ERR_FAIL_COND_V(p_info && _packets.space_left() < 1, ERR_OUT_OF_MEMORY);
 #endif
 
diff --git a/platform/android/AndroidManifest.xml.template b/platform/android/AndroidManifest.xml.template
index d8fb9326ea..daaf847f11 100644
--- a/platform/android/AndroidManifest.xml.template
+++ b/platform/android/AndroidManifest.xml.template
@@ -36,4 +36,9 @@ $$ADD_APPLICATION_CHUNKS$$
 
     </application>
 
+    <instrumentation android:icon="@drawable/icon"
+                     android:label="@string/godot_project_name_string"
+                     android:name="org.godotengine.godot.GodotInstrumentation"
+                     android:targetPackage="com.godot.game" />
+
 </manifest>
diff --git a/platform/android/SCsub b/platform/android/SCsub
index 47d5035224..80ee6644f3 100644
--- a/platform/android/SCsub
+++ b/platform/android/SCsub
@@ -16,8 +16,10 @@ android_files = [
     'dir_access_jandroid.cpp',
     'thread_jandroid.cpp',
     'audio_driver_jandroid.cpp',
-    'java_glue.cpp',
+    'java_godot_lib_jni.cpp',
     'java_class_wrapper.cpp',
+    'java_godot_wrapper.cpp',
+    'java_godot_io_wrapper.cpp',
 #    'power_android.cpp'
 ]
 
diff --git a/platform/android/audio_driver_jandroid.h b/platform/android/audio_driver_jandroid.h
index a5b49e9077..f92ef06052 100644
--- a/platform/android/audio_driver_jandroid.h
+++ b/platform/android/audio_driver_jandroid.h
@@ -33,7 +33,7 @@
 
 #include "servers/audio_server.h"
 
-#include "java_glue.h"
+#include "java_godot_lib_jni.h"
 
 class AudioDriverAndroid : public AudioDriver {
 
diff --git a/platform/android/audio_driver_opensl.cpp b/platform/android/audio_driver_opensl.cpp
index 0d62b242a8..cb25575b74 100644
--- a/platform/android/audio_driver_opensl.cpp
+++ b/platform/android/audio_driver_opensl.cpp
@@ -53,7 +53,7 @@ void AudioDriverOpenSL::_buffer_callback(
 	} else {
 
 		int32_t *src_buff = mixdown_buffer;
-		for (int i = 0; i < buffer_size * 2; i++) {
+		for (unsigned int i = 0; i < buffer_size * 2; i++) {
 			src_buff[i] = 0;
 		}
 	}
@@ -66,7 +66,7 @@ void AudioDriverOpenSL::_buffer_callback(
 	int16_t *ptr = (int16_t *)buffers[last_free];
 	last_free = (last_free + 1) % BUFFER_COUNT;
 
-	for (int i = 0; i < buffer_size * 2; i++) {
+	for (unsigned int i = 0; i < buffer_size * 2; i++) {
 
 		ptr[i] = src_buff[i] >> 16;
 	}
@@ -230,7 +230,7 @@ void AudioDriverOpenSL::_record_buffer_callbacks(SLAndroidSimpleBufferQueueItf q
 	ad->_record_buffer_callback(queueItf);
 }
 
-Error AudioDriverOpenSL::capture_start() {
+Error AudioDriverOpenSL::capture_init_device() {
 
 	SLDataLocator_IODevice loc_dev = {
 		SL_DATALOCATOR_IODEVICE,
@@ -298,6 +298,15 @@ Error AudioDriverOpenSL::capture_start() {
 	return OK;
 }
 
+Error AudioDriverOpenSL::capture_start() {
+
+	if (OS::get_singleton()->request_permission("RECORD_AUDIO")) {
+		return capture_init_device();
+	}
+
+	return OK;
+}
+
 Error AudioDriverOpenSL::capture_stop() {
 
 	SLuint32 state;
diff --git a/platform/android/audio_driver_opensl.h b/platform/android/audio_driver_opensl.h
index 9bd0d5e999..2981073cec 100644
--- a/platform/android/audio_driver_opensl.h
+++ b/platform/android/audio_driver_opensl.h
@@ -88,6 +88,8 @@ class AudioDriverOpenSL : public AudioDriver {
 			SLAndroidSimpleBufferQueueItf queueItf,
 			void *pContext);
 
+	virtual Error capture_init_device();
+
 public:
 	void set_singleton();
 
diff --git a/platform/android/dir_access_jandroid.h b/platform/android/dir_access_jandroid.h
index e7a2d5ada1..cdea93ff4c 100644
--- a/platform/android/dir_access_jandroid.h
+++ b/platform/android/dir_access_jandroid.h
@@ -32,7 +32,7 @@
 #define DIR_ACCESS_JANDROID_H
 
 #include "core/os/dir_access.h"
-#include "java_glue.h"
+#include "java_godot_lib_jni.h"
 #include <stdio.h>
 
 class DirAccessJAndroid : public DirAccess {
diff --git a/platform/android/export/export.cpp b/platform/android/export/export.cpp
index fc26039c28..e489bce3f8 100644
--- a/platform/android/export/export.cpp
+++ b/platform/android/export/export.cpp
@@ -1499,7 +1499,7 @@ public:
 			}
 		}
 
-		if (!FileAccess::exists(p_path.get_base_dir())) {
+		if (!DirAccess::exists(p_path.get_base_dir())) {
 			return ERR_FILE_BAD_PATH;
 		}
 
diff --git a/platform/android/file_access_jandroid.h b/platform/android/file_access_jandroid.h
index 304c33ecac..4f02fea81d 100644
--- a/platform/android/file_access_jandroid.h
+++ b/platform/android/file_access_jandroid.h
@@ -32,7 +32,7 @@
 #define FILE_ACCESS_JANDROID_H
 
 #include "core/os/file_access.h"
-#include "java_glue.h"
+#include "java_godot_lib_jni.h"
 class FileAccessJAndroid : public FileAccess {
 
 	static jobject io;
diff --git a/platform/android/java/src/org/godotengine/godot/Godot.java b/platform/android/java/src/org/godotengine/godot/Godot.java
index a10d7876f4..48fd076d31 100644
--- a/platform/android/java/src/org/godotengine/godot/Godot.java
+++ b/platform/android/java/src/org/godotengine/godot/Godot.java
@@ -38,12 +38,14 @@ import android.app.AlertDialog;
 import android.app.PendingIntent;
 import android.content.ClipData;
 import android.content.ClipboardManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.content.pm.ConfigurationInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.Point;
 import android.graphics.Rect;
@@ -51,11 +53,13 @@ import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
+import android.Manifest;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Messenger;
 import android.provider.Settings.Secure;
+import android.support.v4.content.ContextCompat;
 import android.util.Log;
 import android.view.Display;
 import android.view.KeyEvent;
@@ -98,6 +102,7 @@ import javax.microedition.khronos.opengles.GL10;
 public class Godot extends Activity implements SensorEventListener, IDownloaderClient {
 
 	static final int MAX_SINGLETONS = 64;
+	static final int REQUEST_RECORD_AUDIO_PERMISSION = 1;
 	private IStub mDownloaderClientStub;
 	private IDownloaderService mRemoteService;
 	private TextView mStatusText;
@@ -258,6 +263,10 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		for (int i = 0; i < singleton_count; i++) {
 			singletons[i].onMainRequestPermissionsResult(requestCode, permissions, grantResults);
 		}
+
+		for (int i = 0; i < permissions.length; i++) {
+			GodotLib.requestPermissionResult(permissions[i], grantResults[i] == PackageManager.PERMISSION_GRANTED);
+		}
 	};
 
 	public void onVideoInit() {
@@ -318,6 +327,23 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		});
 	}
 
+	public void restart() {
+		// HACK:
+		//
+		// Currently it's very hard to properly deinitialize Godot on Android to restart the game
+		// from scratch. Therefore, we need to kill the whole app process and relaunch it.
+		//
+		// Restarting only the activity, wouldn't be enough unless it did proper cleanup (including
+		// releasing and reloading native libs or resetting their state somehow and clearing statics).
+		//
+		// Using instrumentation is a way of making the whole app process restart, because Android
+		// will kill any process of the same package which was already running.
+		//
+		Bundle args = new Bundle();
+		args.putParcelable("intent", mCurrentIntent);
+		startInstrumentation(new ComponentName(Godot.this, GodotInstrumentation.class), null, args);
+	}
+
 	public void alert(final String message, final String title) {
 		final Activity activity = this;
 		runOnUiThread(new Runnable() {
@@ -415,7 +441,7 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		mGyroscope = mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
 		mSensorManager.registerListener(this, mGyroscope, SensorManager.SENSOR_DELAY_GAME);
 
-		GodotLib.initialize(this, io.needsReloadHooks(), getAssets(), use_apk_expansion);
+		GodotLib.initialize(this, getAssets(), use_apk_expansion);
 
 		result_callback = null;
 
@@ -580,6 +606,9 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		for (int i = 0; i < singleton_count; i++) {
 			singletons[i].onMainDestroy();
 		}
+
+		GodotLib.ondestroy(this);
+
 		super.onDestroy();
 	}
 
@@ -918,13 +947,27 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 	}
 	*/
 
-	// Audio
+	public boolean requestPermission(String p_name) {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+			// Not necessary, asked on install already
+			return true;
+		}
+
+		if (p_name.equals("RECORD_AUDIO")) {
+			if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+				requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO }, REQUEST_RECORD_AUDIO_PERMISSION);
+				return false;
+			}
+		}
+
+		return true;
+	}
 
 	/**
-     * The download state should trigger changes in the UI --- it may be useful
-     * to show the state as being indeterminate at times. This sample can be
-     * considered a guideline.
-     */
+	 * The download state should trigger changes in the UI --- it may be useful
+	 * to show the state as being indeterminate at times. This sample can be
+	 * considered a guideline.
+	 */
 	@Override
 	public void onDownloadStateChanged(int newState) {
 		setState(newState);
diff --git a/platform/android/java/src/org/godotengine/godot/GodotIO.java b/platform/android/java/src/org/godotengine/godot/GodotIO.java
index 85bba8bb4c..1b2ff61314 100644
--- a/platform/android/java/src/org/godotengine/godot/GodotIO.java
+++ b/platform/android/java/src/org/godotengine/godot/GodotIO.java
@@ -500,11 +500,6 @@ public class GodotIO {
 		return (int)(metrics.density * 160f);
 	}
 
-	public boolean needsReloadHooks() {
-
-		return false;
-	}
-
 	public void showKeyboard(String p_existing_text) {
 		if (edit != null)
 			edit.showKeyboard(p_existing_text);
diff --git a/platform/android/java/src/org/godotengine/godot/GodotInstrumentation.java b/platform/android/java/src/org/godotengine/godot/GodotInstrumentation.java
new file mode 100644
index 0000000000..0466f380e8
--- /dev/null
+++ b/platform/android/java/src/org/godotengine/godot/GodotInstrumentation.java
@@ -0,0 +1,50 @@
+/*************************************************************************/
+/*  GodotInstrumentation.java                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+package org.godotengine.godot;
+
+import android.app.Instrumentation;
+import android.content.Intent;
+import android.os.Bundle;
+
+public class GodotInstrumentation extends Instrumentation {
+	private Intent intent;
+
+	@Override
+	public void onCreate(Bundle arguments) {
+		intent = arguments.getParcelable("intent");
+		start();
+	}
+
+	@Override
+	public void onStart() {
+		startActivitySync(intent);
+	}
+}
diff --git a/platform/android/java/src/org/godotengine/godot/GodotLib.java b/platform/android/java/src/org/godotengine/godot/GodotLib.java
index 29e7918645..31ca9a8500 100644
--- a/platform/android/java/src/org/godotengine/godot/GodotLib.java
+++ b/platform/android/java/src/org/godotengine/godot/GodotLib.java
@@ -45,9 +45,10 @@ public class GodotLib {
      * @param height the current view height
      */
 
-	public static native void initialize(Godot p_instance, boolean need_reload_hook, Object p_asset_manager, boolean use_apk_expansion);
+	public static native void initialize(Godot p_instance, Object p_asset_manager, boolean use_apk_expansion);
+	public static native void ondestroy(Godot p_instance);
 	public static native void setup(String[] p_cmdline);
-	public static native void resize(int width, int height, boolean reload);
+	public static native void resize(int width, int height);
 	public static native void newcontext(boolean p_32_bits);
 	public static native void back();
 	public static native void step();
@@ -69,6 +70,7 @@ public class GodotLib {
 	public static native String getGlobal(String p_key);
 	public static native void callobject(int p_ID, String p_method, Object[] p_params);
 	public static native void calldeferred(int p_ID, String p_method, Object[] p_params);
+	public static native void requestPermissionResult(String p_permission, boolean p_result);
 
 	public static native void setVirtualKeyboardHeight(int p_height);
 }
diff --git a/platform/android/java/src/org/godotengine/godot/GodotView.java b/platform/android/java/src/org/godotengine/godot/GodotView.java
index ba8e8bd07b..ccf78f26f3 100644
--- a/platform/android/java/src/org/godotengine/godot/GodotView.java
+++ b/platform/android/java/src/org/godotengine/godot/GodotView.java
@@ -79,7 +79,6 @@ public class GodotView extends GLSurfaceView implements InputDeviceListener {
 	private Context ctx;
 
 	private GodotIO io;
-	private static boolean firsttime = true;
 	private static boolean use_gl3 = false;
 	private static boolean use_32 = false;
 	private static boolean use_debug_opengl = false;
@@ -97,10 +96,8 @@ public class GodotView extends GLSurfaceView implements InputDeviceListener {
 
 		activity = p_activity;
 
-		if (!p_io.needsReloadHooks()) {
-			//will only work on SDK 11+!!
-			setPreserveEGLContextOnPause(true);
-		}
+		setPreserveEGLContextOnPause(true);
+
 		mInputManager = InputManagerCompat.Factory.getInputManager(this.getContext());
 		mInputManager.registerInputDeviceListener(this, null);
 		init(false, 16, 0);
@@ -718,8 +715,7 @@ public class GodotView extends GLSurfaceView implements InputDeviceListener {
 
 		public void onSurfaceChanged(GL10 gl, int width, int height) {
 
-			GodotLib.resize(width, height, !firsttime);
-			firsttime = false;
+			GodotLib.resize(width, height);
 			for (int i = 0; i < Godot.singleton_count; i++) {
 				Godot.singletons[i].onGLSurfaceChanged(gl, width, height);
 			}
diff --git a/platform/android/java_godot_io_wrapper.cpp b/platform/android/java_godot_io_wrapper.cpp
new file mode 100644
index 0000000000..0c41b85939
--- /dev/null
+++ b/platform/android/java_godot_io_wrapper.cpp
@@ -0,0 +1,207 @@
+/*************************************************************************/
+/*  java_godot_io_wrapper.cpp                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "java_godot_io_wrapper.h"
+#include "core/error_list.h"
+
+// JNIEnv is only valid within the thread it belongs to, in a multi threading environment
+// we can't cache it.
+// For GodotIO we call all access methods from our thread and we thus get a valid JNIEnv
+// from ThreadAndroid.
+
+GodotIOJavaWrapper::GodotIOJavaWrapper(JNIEnv *p_env, jobject p_godot_io_instance) {
+	godot_io_instance = p_env->NewGlobalRef(p_godot_io_instance);
+	if (godot_io_instance) {
+		cls = p_env->GetObjectClass(godot_io_instance);
+		if (cls) {
+			cls = (jclass)p_env->NewGlobalRef(cls);
+		} else {
+			// this is a pretty serious fail.. bail... pointers will stay 0
+			return;
+		}
+
+		_open_URI = p_env->GetMethodID(cls, "openURI", "(Ljava/lang/String;)I");
+		_get_data_dir = p_env->GetMethodID(cls, "getDataDir", "()Ljava/lang/String;");
+		_get_locale = p_env->GetMethodID(cls, "getLocale", "()Ljava/lang/String;");
+		_get_model = p_env->GetMethodID(cls, "getModel", "()Ljava/lang/String;");
+		_get_screen_DPI = p_env->GetMethodID(cls, "getScreenDPI", "()I");
+		_get_unique_ID = p_env->GetMethodID(cls, "getUniqueID", "()Ljava/lang/String;");
+		_show_keyboard = p_env->GetMethodID(cls, "showKeyboard", "(Ljava/lang/String;)V");
+		_hide_keyboard = p_env->GetMethodID(cls, "hideKeyboard", "()V");
+		_set_screen_orientation = p_env->GetMethodID(cls, "setScreenOrientation", "(I)V");
+		_get_system_dir = p_env->GetMethodID(cls, "getSystemDir", "(I)Ljava/lang/String;");
+		_play_video = p_env->GetMethodID(cls, "playVideo", "(Ljava/lang/String;)V");
+		_is_video_playing = p_env->GetMethodID(cls, "isVideoPlaying", "()Z");
+		_pause_video = p_env->GetMethodID(cls, "pauseVideo", "()V");
+		_stop_video = p_env->GetMethodID(cls, "stopVideo", "()V");
+	}
+}
+
+GodotIOJavaWrapper::~GodotIOJavaWrapper() {
+	// nothing to do here for now
+}
+
+jobject GodotIOJavaWrapper::get_instance() {
+	return godot_io_instance;
+}
+
+Error GodotIOJavaWrapper::open_uri(const String &p_uri) {
+	if (_open_URI) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring jStr = env->NewStringUTF(p_uri.utf8().get_data());
+		return env->CallIntMethod(godot_io_instance, _open_URI, jStr) ? ERR_CANT_OPEN : OK;
+	} else {
+		return ERR_UNAVAILABLE;
+	}
+}
+
+String GodotIOJavaWrapper::get_user_data_dir() {
+	if (_get_data_dir) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_data_dir);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
+String GodotIOJavaWrapper::get_locale() {
+	if (_get_locale) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_locale);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
+String GodotIOJavaWrapper::get_model() {
+	if (_get_model) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_model);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
+int GodotIOJavaWrapper::get_screen_dpi() {
+	if (_get_screen_DPI) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		return env->CallIntMethod(godot_io_instance, _get_screen_DPI);
+	} else {
+		return 160;
+	}
+}
+
+String GodotIOJavaWrapper::get_unique_id() {
+	if (_get_unique_ID) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_unique_ID);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
+bool GodotIOJavaWrapper::has_vk() {
+	return (_show_keyboard != 0) && (_hide_keyboard != 0);
+}
+
+void GodotIOJavaWrapper::show_vk(const String &p_existing) {
+	if (_show_keyboard) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring jStr = env->NewStringUTF(p_existing.utf8().get_data());
+		env->CallVoidMethod(godot_io_instance, _show_keyboard, jStr);
+	}
+}
+
+void GodotIOJavaWrapper::hide_vk() {
+	if (_hide_keyboard) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		env->CallVoidMethod(godot_io_instance, _hide_keyboard);
+	}
+}
+
+void GodotIOJavaWrapper::set_screen_orientation(int p_orient) {
+	if (_set_screen_orientation) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		env->CallVoidMethod(godot_io_instance, _set_screen_orientation, p_orient);
+	}
+}
+
+String GodotIOJavaWrapper::get_system_dir(int p_dir) {
+	if (_get_system_dir) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_system_dir, p_dir);
+		return jstring_to_string(s, env);
+	} else {
+		return String(".");
+	}
+}
+
+void GodotIOJavaWrapper::play_video(const String &p_path) {
+	// Why is this not here?!?!
+}
+
+bool GodotIOJavaWrapper::is_video_playing() {
+	if (_is_video_playing) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		return env->CallBooleanMethod(godot_io_instance, _is_video_playing);
+	} else {
+		return false;
+	}
+}
+
+void GodotIOJavaWrapper::pause_video() {
+	if (_pause_video) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		env->CallVoidMethod(godot_io_instance, _pause_video);
+	}
+}
+
+void GodotIOJavaWrapper::stop_video() {
+	if (_stop_video) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		env->CallVoidMethod(godot_io_instance, _stop_video);
+	}
+}
+
+// volatile because it can be changed from non-main thread and we need to
+// ensure the change is immediately visible to other threads.
+static volatile int virtual_keyboard_height;
+
+int GodotIOJavaWrapper::get_vk_height() {
+	return virtual_keyboard_height;
+}
+
+void GodotIOJavaWrapper::set_vk_height(int p_height) {
+	virtual_keyboard_height = p_height;
+}
diff --git a/platform/android/java_godot_io_wrapper.h b/platform/android/java_godot_io_wrapper.h
new file mode 100644
index 0000000000..920c433b08
--- /dev/null
+++ b/platform/android/java_godot_io_wrapper.h
@@ -0,0 +1,88 @@
+/*************************************************************************/
+/*  java_godot_io_wrapper.h                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+// note, swapped java and godot around in the file name so all the java
+// wrappers are together
+
+#ifndef JAVA_GODOT_IO_WRAPPER_H
+#define JAVA_GODOT_IO_WRAPPER_H
+
+#include <android/log.h>
+#include <jni.h>
+
+#include "string_android.h"
+
+// Class that makes functions in java/src/org/godotengine/godot/GodotIO.java callable from C++
+class GodotIOJavaWrapper {
+private:
+	jobject godot_io_instance;
+	jclass cls;
+
+	jmethodID _open_URI = 0;
+	jmethodID _get_data_dir = 0;
+	jmethodID _get_locale = 0;
+	jmethodID _get_model = 0;
+	jmethodID _get_screen_DPI = 0;
+	jmethodID _get_unique_ID = 0;
+	jmethodID _show_keyboard = 0;
+	jmethodID _hide_keyboard = 0;
+	jmethodID _set_screen_orientation = 0;
+	jmethodID _get_system_dir = 0;
+	jmethodID _play_video = 0;
+	jmethodID _is_video_playing = 0;
+	jmethodID _pause_video = 0;
+	jmethodID _stop_video = 0;
+
+public:
+	GodotIOJavaWrapper(JNIEnv *p_env, jobject p_godot_io_instance);
+	~GodotIOJavaWrapper();
+
+	jobject get_instance();
+
+	Error open_uri(const String &p_uri);
+	String get_user_data_dir();
+	String get_locale();
+	String get_model();
+	int get_screen_dpi();
+	String get_unique_id();
+	bool has_vk();
+	void show_vk(const String &p_existing);
+	void hide_vk();
+	int get_vk_height();
+	void set_vk_height(int p_height);
+	void set_screen_orientation(int p_orient);
+	String get_system_dir(int p_dir);
+	void play_video(const String &p_path);
+	bool is_video_playing();
+	void pause_video();
+	void stop_video();
+};
+
+#endif /* !JAVA_GODOT_IO_WRAPPER_H */
diff --git a/platform/android/java_glue.cpp b/platform/android/java_godot_lib_jni.cpp
index 53c909da88..466f79c215 100644
--- a/platform/android/java_glue.cpp
+++ b/platform/android/java_godot_lib_jni.cpp
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  java_glue.cpp                                                        */
+/*  java_godot_lib_jni.cpp                                               */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -28,7 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#include "java_glue.h"
+#include "java_godot_lib_jni.h"
+#include "java_godot_io_wrapper.h"
+#include "java_godot_wrapper.h"
+
 #include "android/asset_manager_jni.h"
 #include "audio_driver_jandroid.h"
 #include "core/engine.h"
@@ -47,6 +50,8 @@
 
 static JavaClassWrapper *java_class_wrapper = NULL;
 static OS_Android *os_android = NULL;
+static GodotJavaWrapper *godot_java = NULL;
+static GodotIOJavaWrapper *godot_io_java = NULL;
 
 struct jvalret {
 
@@ -588,251 +593,73 @@ TST tst;
 
 static bool initialized = false;
 static int step = 0;
+
 static Size2 new_size;
 static Vector3 accelerometer;
 static Vector3 gravity;
 static Vector3 magnetometer;
 static Vector3 gyroscope;
 static HashMap<String, JNISingleton *> jni_singletons;
-static jobject godot_io;
-
-typedef void (*GFXInitFunc)(void *ud, bool gl2);
-
-static jmethodID _on_video_init = 0;
-static jobject _godot_instance;
-
-static jmethodID _openURI = 0;
-static jmethodID _getDataDir = 0;
-static jmethodID _getLocale = 0;
-static jmethodID _getClipboard = 0;
-static jmethodID _setClipboard = 0;
-static jmethodID _getModel = 0;
-static jmethodID _getScreenDPI = 0;
-static jmethodID _showKeyboard = 0;
-static jmethodID _hideKeyboard = 0;
-static jmethodID _setScreenOrientation = 0;
-static jmethodID _getUniqueID = 0;
-static jmethodID _getSystemDir = 0;
-static jmethodID _getGLESVersionCode = 0;
-static jmethodID _playVideo = 0;
-static jmethodID _isVideoPlaying = 0;
-static jmethodID _pauseVideo = 0;
-static jmethodID _stopVideo = 0;
-static jmethodID _setKeepScreenOn = 0;
-static jmethodID _alertDialog = 0;
-
-static void _gfx_init_func(void *ud, bool gl2) {
-}
-
-static int _open_uri(const String &p_uri) {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring jStr = env->NewStringUTF(p_uri.utf8().get_data());
-	return env->CallIntMethod(godot_io, _openURI, jStr);
-}
-
-static String _get_user_data_dir() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(godot_io, _getDataDir);
-	return jstring_to_string(s, env);
-}
-
-static String _get_locale() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(godot_io, _getLocale);
-	return jstring_to_string(s, env);
-}
-
-static String _get_clipboard() {
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(_godot_instance, _getClipboard);
-	return jstring_to_string(s, env);
-}
-
-static void _set_clipboard(const String &p_text) {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring jStr = env->NewStringUTF(p_text.utf8().get_data());
-	env->CallVoidMethod(_godot_instance, _setClipboard, jStr);
-}
-
-static String _get_model() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(godot_io, _getModel);
-	return jstring_to_string(s, env);
-}
-
-static int _get_screen_dpi() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	return env->CallIntMethod(godot_io, _getScreenDPI);
-}
-
-static String _get_unique_id() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(godot_io, _getUniqueID);
-	return jstring_to_string(s, env);
-}
-
-static void _show_vk(const String &p_existing) {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring jStr = env->NewStringUTF(p_existing.utf8().get_data());
-	env->CallVoidMethod(godot_io, _showKeyboard, jStr);
-}
-
-static void _set_screen_orient(int p_orient) {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	env->CallVoidMethod(godot_io, _setScreenOrientation, p_orient);
-}
-
-static String _get_system_dir(int p_dir) {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring s = (jstring)env->CallObjectMethod(godot_io, _getSystemDir, p_dir);
-	return jstring_to_string(s, env);
-}
-
-static int _get_gles_version_code() {
-	JNIEnv *env = ThreadAndroid::get_env();
-	return env->CallIntMethod(_godot_instance, _getGLESVersionCode);
-}
-
-static void _hide_vk() {
-
-	JNIEnv *env = ThreadAndroid::get_env();
-	env->CallVoidMethod(godot_io, _hideKeyboard);
-}
 
 // virtual Error native_video_play(String p_path);
 // virtual bool native_video_is_playing();
 // virtual void native_video_pause();
 // virtual void native_video_stop();
 
-static void _play_video(const String &p_path) {
-}
-
-static bool _is_video_playing() {
-	JNIEnv *env = ThreadAndroid::get_env();
-	return env->CallBooleanMethod(godot_io, _isVideoPlaying);
-	//return false;
-}
-
-static void _pause_video() {
-	JNIEnv *env = ThreadAndroid::get_env();
-	env->CallVoidMethod(godot_io, _pauseVideo);
-}
-
-static void _stop_video() {
-	JNIEnv *env = ThreadAndroid::get_env();
-	env->CallVoidMethod(godot_io, _stopVideo);
-}
-
-static void _set_keep_screen_on(bool p_enabled) {
-	JNIEnv *env = ThreadAndroid::get_env();
-	env->CallVoidMethod(_godot_instance, _setKeepScreenOn, p_enabled);
-}
-
-static void _alert(const String &p_message, const String &p_title) {
-	JNIEnv *env = ThreadAndroid::get_env();
-	jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data());
-	jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data());
-	env->CallVoidMethod(_godot_instance, _alertDialog, jStrMessage, jStrTitle);
-}
-
-// volatile because it can be changed from non-main thread and we need to
-// ensure the change is immediately visible to other threads.
-static volatile int virtual_keyboard_height;
-
-static int _get_vk_height() {
-	return virtual_keyboard_height;
-}
-
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setVirtualKeyboardHeight(JNIEnv *env, jobject obj, jint p_height) {
-	virtual_keyboard_height = p_height;
+	if (godot_io_java) {
+		godot_io_java->set_vk_height(p_height);
+	}
 }
 
-JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jboolean p_need_reload_hook, jobject p_asset_manager, jboolean p_use_apk_expansion) {
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jobject p_asset_manager, jboolean p_use_apk_expansion) {
 
 	initialized = true;
 
 	JavaVM *jvm;
 	env->GetJavaVM(&jvm);
 
-	_godot_instance = env->NewGlobalRef(activity);
-	//_godot_instance=activity;
-
-	{
-		//setup IO Object
-
-		jclass cls = env->FindClass("org/godotengine/godot/Godot");
-		if (cls) {
+	// create our wrapper classes
+	godot_java = new GodotJavaWrapper(env, activity); // our activity is our godot instance is our activity..
+	godot_io_java = new GodotIOJavaWrapper(env, godot_java->get_member_object("io", "Lorg/godotengine/godot/GodotIO;", env));
 
-			cls = (jclass)env->NewGlobalRef(cls);
-		}
-
-		jfieldID fid = env->GetStaticFieldID(cls, "io", "Lorg/godotengine/godot/GodotIO;");
-		jobject ob = env->GetStaticObjectField(cls, fid);
-		jobject gob = env->NewGlobalRef(ob);
-
-		godot_io = gob;
-
-		_on_video_init = env->GetMethodID(cls, "onVideoInit", "()V");
-		_setKeepScreenOn = env->GetMethodID(cls, "setKeepScreenOn", "(Z)V");
-		_alertDialog = env->GetMethodID(cls, "alert", "(Ljava/lang/String;Ljava/lang/String;)V");
-		_getGLESVersionCode = env->GetMethodID(cls, "getGLESVersionCode", "()I");
-		_getClipboard = env->GetMethodID(cls, "getClipboard", "()Ljava/lang/String;");
-		_setClipboard = env->GetMethodID(cls, "setClipboard", "(Ljava/lang/String;)V");
-
-		if (cls) {
-			jclass c = env->GetObjectClass(gob);
-			_openURI = env->GetMethodID(c, "openURI", "(Ljava/lang/String;)I");
-			_getDataDir = env->GetMethodID(c, "getDataDir", "()Ljava/lang/String;");
-			_getLocale = env->GetMethodID(c, "getLocale", "()Ljava/lang/String;");
-			_getModel = env->GetMethodID(c, "getModel", "()Ljava/lang/String;");
-			_getScreenDPI = env->GetMethodID(c, "getScreenDPI", "()I");
-			_getUniqueID = env->GetMethodID(c, "getUniqueID", "()Ljava/lang/String;");
-			_showKeyboard = env->GetMethodID(c, "showKeyboard", "(Ljava/lang/String;)V");
-			_hideKeyboard = env->GetMethodID(c, "hideKeyboard", "()V");
-			_setScreenOrientation = env->GetMethodID(c, "setScreenOrientation", "(I)V");
-			_getSystemDir = env->GetMethodID(c, "getSystemDir", "(I)Ljava/lang/String;");
-			_playVideo = env->GetMethodID(c, "playVideo", "(Ljava/lang/String;)V");
-			_isVideoPlaying = env->GetMethodID(c, "isVideoPlaying", "()Z");
-			_pauseVideo = env->GetMethodID(c, "pauseVideo", "()V");
-			_stopVideo = env->GetMethodID(c, "stopVideo", "()V");
-		}
-
-		ThreadAndroid::make_default(jvm);
+	ThreadAndroid::make_default(jvm);
 #ifdef USE_JAVA_FILE_ACCESS
-		FileAccessJAndroid::setup(gob);
+	FileAccessJAndroid::setup(godot_io_java->get_instance());
 #else
 
-		jobject amgr = env->NewGlobalRef(p_asset_manager);
+	jobject amgr = env->NewGlobalRef(p_asset_manager);
 
-		FileAccessAndroid::asset_manager = AAssetManager_fromJava(env, amgr);
+	FileAccessAndroid::asset_manager = AAssetManager_fromJava(env, amgr);
 #endif
-		DirAccessJAndroid::setup(gob);
-		AudioDriverAndroid::setup(gob);
-	}
 
-	os_android = new OS_Android(_gfx_init_func, env, _open_uri, _get_user_data_dir, _get_locale, _get_model, _get_screen_dpi, _show_vk, _hide_vk, _get_vk_height, _set_screen_orient, _get_unique_id, _get_system_dir, _get_gles_version_code, _play_video, _is_video_playing, _pause_video, _stop_video, _set_keep_screen_on, _alert, _set_clipboard, _get_clipboard, p_use_apk_expansion);
-	os_android->set_need_reload_hooks(p_need_reload_hook);
+	DirAccessJAndroid::setup(godot_io_java->get_instance());
+	AudioDriverAndroid::setup(godot_io_java->get_instance());
+
+	os_android = new OS_Android(godot_java, godot_io_java, p_use_apk_expansion);
 
 	char wd[500];
 	getcwd(wd, 500);
 
-	env->CallVoidMethod(_godot_instance, _on_video_init);
+	godot_java->on_video_init(env);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env) {
+	// lets cleanup
+	if (godot_io_java) {
+		delete godot_io_java;
+	}
+	if (godot_java) {
+		delete godot_java;
+	}
+	if (os_android) {
+		delete os_android;
+	}
 }
 
 static void _initialize_java_modules() {
 
 	if (!ProjectSettings::get_singleton()->has_setting("android/modules")) {
-		print_line("Android modules: Nothing to load, aborting");
 		return;
 	}
 
@@ -844,27 +671,19 @@ static void _initialize_java_modules() {
 	Vector<String> mods = modules.split(",", false);
 
 	if (mods.size()) {
+		jobject cls = godot_java->get_class_loader();
 
-		JNIEnv *env = ThreadAndroid::get_env();
-
-		jclass activityClass = env->FindClass("org/godotengine/godot/Godot");
-
-		jmethodID getClassLoader = env->GetMethodID(activityClass, "getClassLoader", "()Ljava/lang/ClassLoader;");
-
-		jobject cls = env->CallObjectMethod(_godot_instance, getClassLoader);
-		//cls=env->NewGlobalRef(cls);
+		// TODO create wrapper for class loader
 
+		JNIEnv *env = ThreadAndroid::get_env();
 		jclass classLoader = env->FindClass("java/lang/ClassLoader");
-		//classLoader=(jclass)env->NewGlobalRef(classLoader);
-
 		jmethodID findClass = env->GetMethodID(classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
 
 		for (int i = 0; i < mods.size(); i++) {
 
 			String m = mods[i];
-			//jclass singletonClass = env->FindClass(m.utf8().get_data());
 
-			print_line("Loading module: " + m);
+			print_line("Loading Android module: " + m);
 			jstring strClassName = env->NewStringUTF(m.utf8().get_data());
 			jclass singletonClass = (jclass)env->CallObjectMethod(cls, findClass, strClassName);
 
@@ -873,7 +692,6 @@ static void _initialize_java_modules() {
 				ERR_EXPLAIN("Couldn't find singleton for class: " + m);
 				ERR_CONTINUE(!singletonClass);
 			}
-			//singletonClass=(jclass)env->NewGlobalRef(singletonClass);
 
 			jmethodID initialize = env->GetStaticMethodID(singletonClass, "initialize", "(Landroid/app/Activity;)Lorg/godotengine/godot/Godot$SingletonBase;");
 
@@ -882,7 +700,7 @@ static void _initialize_java_modules() {
 				ERR_EXPLAIN("Couldn't find proper initialize function 'public static Godot.SingletonBase Class::initialize(Activity p_activity)' initializer for singleton class: " + m);
 				ERR_CONTINUE(!initialize);
 			}
-			jobject obj = env->CallStaticObjectMethod(singletonClass, initialize, _godot_instance);
+			jobject obj = env->CallStaticObjectMethod(singletonClass, initialize, godot_java->get_activity());
 			env->NewGlobalRef(obj);
 		}
 	}
@@ -927,12 +745,12 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jo
 		return; //should exit instead and print the error
 	}
 
-	java_class_wrapper = memnew(JavaClassWrapper(_godot_instance));
+	java_class_wrapper = memnew(JavaClassWrapper(godot_java->get_activity()));
 	Engine::get_singleton()->add_singleton(Engine::Singleton("JavaClassWrapper", java_class_wrapper));
 	_initialize_java_modules();
 }
 
-JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height, jboolean reload) {
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height) {
 
 	if (os_android)
 		os_android->set_display_size(Size2(width, height));
@@ -941,12 +759,15 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, j
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jobject obj, bool p_32_bits) {
 
 	if (os_android) {
-		os_android->set_context_is_16_bits(!p_32_bits);
-	}
-
-	if (os_android && step > 0) {
-
-		os_android->reload_gfx();
+		if (step == 0) {
+			// During startup
+			os_android->set_context_is_16_bits(!p_32_bits);
+		} else {
+			// GL context recreated because it was lost; restart app to let it reload everything
+			os_android->main_loop_end();
+			godot_java->restart(env);
+			step = -1; // Ensure no further steps are attempted
+		}
 	}
 }
 
@@ -958,6 +779,9 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, job
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jobject obj) {
+	if (step == -1)
+		return;
+
 	if (step == 0) {
 
 		// Since Godot is initialized on the UI thread, _main_thread_id was set to that thread's id,
@@ -977,18 +801,13 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
 	}
 
 	os_android->process_accelerometer(accelerometer);
-
 	os_android->process_gravity(gravity);
-
 	os_android->process_magnetometer(magnetometer);
-
 	os_android->process_gyroscope(gyroscope);
 
 	if (os_android->main_loop_iterate()) {
 
-		jclass cls = env->FindClass("org/godotengine/godot/Godot");
-		jmethodID _finish = env->GetMethodID(cls, "forceQuit", "()V");
-		env->CallVoidMethod(_godot_instance, _finish);
+		godot_java->force_quit(env);
 	}
 }
 
@@ -1571,6 +1390,9 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_calldeferred(JNIEnv *
 	env->PopLocalFrame(NULL);
 }
 
-//Main::cleanup();
-
-//return os.get_exit_code();
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_requestPermissionResult(JNIEnv *env, jobject p_obj, jstring p_permission, jboolean p_result) {
+	String permission = jstring_to_string(p_permission, env);
+	if (permission == "android.permission.RECORD_AUDIO" && p_result) {
+		AudioDriver::get_singleton()->capture_start();
+	}
+}
diff --git a/platform/android/java_glue.h b/platform/android/java_godot_lib_jni.h
index e8d0d55bb3..3a03294b08 100644
--- a/platform/android/java_glue.h
+++ b/platform/android/java_godot_lib_jni.h
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  java_glue.h                                                          */
+/*  java_godot_lib_jni.h                                                 */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -28,16 +28,19 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#ifndef JAVA_GLUE_H
-#define JAVA_GLUE_H
+#ifndef JAVA_GODOT_LIB_JNI_H
+#define JAVA_GODOT_LIB_JNI_H
 
 #include <android/log.h>
 #include <jni.h>
 
+// These functions can be called from within JAVA and are the means by which our JAVA implementation calls back into our C++ code.
+// See java/src/org/godotengine/godot/GodotLib.java for the JAVA side of this (yes thats why we have the long names)
 extern "C" {
-JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jboolean p_need_reload_hook, jobject p_asset_manager, jboolean p_use_apk_expansion);
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jobject p_asset_manager, jboolean p_use_apk_expansion);
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jobject obj, jobjectArray p_cmdline);
-JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height, jboolean reload);
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jobject obj, bool p_32_bits);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jobject obj);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jobject obj);
@@ -60,6 +63,7 @@ JNIEXPORT jstring JNICALL Java_org_godotengine_godot_GodotLib_getGlobal(JNIEnv *
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_callobject(JNIEnv *env, jobject p_obj, jint ID, jstring method, jobjectArray params);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_calldeferred(JNIEnv *env, jobject p_obj, jint ID, jstring method, jobjectArray params);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setVirtualKeyboardHeight(JNIEnv *env, jobject obj, jint p_height);
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_requestPermissionResult(JNIEnv *env, jobject p_obj, jstring p_permission, jboolean p_result);
 }
 
-#endif // JAVA_GLUE_H
+#endif /* !JAVA_GODOT_LIB_JNI_H */
diff --git a/platform/android/java_godot_wrapper.cpp b/platform/android/java_godot_wrapper.cpp
new file mode 100644
index 0000000000..101a1d76c6
--- /dev/null
+++ b/platform/android/java_godot_wrapper.cpp
@@ -0,0 +1,185 @@
+/*************************************************************************/
+/*  java_godot_wrapper.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "java_godot_wrapper.h"
+
+// JNIEnv is only valid within the thread it belongs to, in a multi threading environment
+// we can't cache it.
+// For Godot we call most access methods from our thread and we thus get a valid JNIEnv
+// from ThreadAndroid. For one or two we expect to pass the environment
+
+// TODO we could probably create a base class for this...
+
+GodotJavaWrapper::GodotJavaWrapper(JNIEnv *p_env, jobject p_godot_instance) {
+	godot_instance = p_env->NewGlobalRef(p_godot_instance);
+
+	// get info about our Godot class so we can get pointers and stuff...
+	cls = p_env->FindClass("org/godotengine/godot/Godot");
+	if (cls) {
+		cls = (jclass)p_env->NewGlobalRef(cls);
+	} else {
+		// this is a pretty serious fail.. bail... pointers will stay 0
+		return;
+	}
+
+	// get some method pointers...
+	_on_video_init = p_env->GetMethodID(cls, "onVideoInit", "()V");
+	_restart = p_env->GetMethodID(cls, "restart", "()V");
+	_finish = p_env->GetMethodID(cls, "forceQuit", "()V");
+	_set_keep_screen_on = p_env->GetMethodID(cls, "setKeepScreenOn", "(Z)V");
+	_alert = p_env->GetMethodID(cls, "alert", "(Ljava/lang/String;Ljava/lang/String;)V");
+	_get_GLES_version_code = p_env->GetMethodID(cls, "getGLESVersionCode", "()I");
+	_get_clipboard = p_env->GetMethodID(cls, "getClipboard", "()Ljava/lang/String;");
+	_set_clipboard = p_env->GetMethodID(cls, "setClipboard", "(Ljava/lang/String;)V");
+	_request_permission = p_env->GetMethodID(cls, "requestPermission", "(Ljava/lang/String;)Z");
+}
+
+GodotJavaWrapper::~GodotJavaWrapper() {
+	// nothing to do here for now
+}
+
+jobject GodotJavaWrapper::get_activity() {
+	// our godot instance is our activity
+	return godot_instance;
+}
+
+jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env) {
+	if (cls) {
+		if (p_env == NULL)
+			p_env = ThreadAndroid::get_env();
+
+		jfieldID fid = p_env->GetStaticFieldID(cls, p_name, p_class);
+		return p_env->GetStaticObjectField(cls, fid);
+	} else {
+		return NULL;
+	}
+}
+
+jobject GodotJavaWrapper::get_class_loader() {
+	if (cls) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jmethodID getClassLoader = env->GetMethodID(cls, "getClassLoader", "()Ljava/lang/ClassLoader;");
+		return env->CallObjectMethod(godot_instance, getClassLoader);
+	} else {
+		return NULL;
+	}
+}
+
+void GodotJavaWrapper::gfx_init(bool gl2) {
+	// beats me what this once did, there was no code,
+	// but we're getting false if our GLES3 driver is initialised
+	// and true for our GLES2 driver
+	// Maybe we're supposed to communicate this back or store it?
+}
+
+void GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
+	if (_on_video_init)
+		if (p_env == NULL)
+			p_env = ThreadAndroid::get_env();
+
+	p_env->CallVoidMethod(godot_instance, _on_video_init);
+}
+
+void GodotJavaWrapper::restart(JNIEnv *p_env) {
+	if (_restart)
+		if (p_env == NULL)
+			p_env = ThreadAndroid::get_env();
+
+	p_env->CallVoidMethod(godot_instance, _restart);
+}
+
+void GodotJavaWrapper::force_quit(JNIEnv *p_env) {
+	if (_finish)
+		if (p_env == NULL)
+			p_env = ThreadAndroid::get_env();
+
+	p_env->CallVoidMethod(godot_instance, _finish);
+}
+
+void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) {
+	if (_set_keep_screen_on) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled);
+	}
+}
+
+void GodotJavaWrapper::alert(const String &p_message, const String &p_title) {
+	if (_alert) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data());
+		jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data());
+		env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle);
+	}
+}
+
+int GodotJavaWrapper::get_gles_version_code() {
+	JNIEnv *env = ThreadAndroid::get_env();
+	if (_get_GLES_version_code) {
+		return env->CallIntMethod(godot_instance, _get_GLES_version_code);
+	}
+
+	return 0;
+}
+
+bool GodotJavaWrapper::has_get_clipboard() {
+	return _get_clipboard != 0;
+}
+
+String GodotJavaWrapper::get_clipboard() {
+	if (_get_clipboard) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
+bool GodotJavaWrapper::has_set_clipboard() {
+	return _set_clipboard != 0;
+}
+
+void GodotJavaWrapper::set_clipboard(const String &p_text) {
+	if (_set_clipboard) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring jStr = env->NewStringUTF(p_text.utf8().get_data());
+		env->CallVoidMethod(godot_instance, _set_clipboard, jStr);
+	}
+}
+
+bool GodotJavaWrapper::request_permission(const String &p_name) {
+	if (_request_permission) {
+		JNIEnv *env = ThreadAndroid::get_env();
+		jstring jStrName = env->NewStringUTF(p_name.utf8().get_data());
+		return env->CallBooleanMethod(godot_instance, _request_permission, jStrName);
+	} else {
+		return false;
+	}
+}
diff --git a/platform/android/java_godot_wrapper.h b/platform/android/java_godot_wrapper.h
new file mode 100644
index 0000000000..438aee019b
--- /dev/null
+++ b/platform/android/java_godot_wrapper.h
@@ -0,0 +1,81 @@
+/*************************************************************************/
+/*  java_godot_wrapper.h                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+// note, swapped java and godot around in the file name so all the java
+// wrappers are together
+
+#ifndef JAVA_GODOT_WRAPPER_H
+#define JAVA_GODOT_WRAPPER_H
+
+#include <android/log.h>
+#include <jni.h>
+
+#include "string_android.h"
+
+// Class that makes functions in java/src/org/godotengine/godot/Godot.java callable from C++
+class GodotJavaWrapper {
+private:
+	jobject godot_instance;
+	jclass cls;
+
+	jmethodID _on_video_init = 0;
+	jmethodID _restart = 0;
+	jmethodID _finish = 0;
+	jmethodID _set_keep_screen_on = 0;
+	jmethodID _alert = 0;
+	jmethodID _get_GLES_version_code = 0;
+	jmethodID _get_clipboard = 0;
+	jmethodID _set_clipboard = 0;
+	jmethodID _request_permission = 0;
+
+public:
+	GodotJavaWrapper(JNIEnv *p_env, jobject p_godot_instance);
+	~GodotJavaWrapper();
+
+	jobject get_activity();
+	jobject get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env = NULL);
+
+	jobject get_class_loader();
+
+	void gfx_init(bool gl2);
+	void on_video_init(JNIEnv *p_env = NULL);
+	void restart(JNIEnv *p_env = NULL);
+	void force_quit(JNIEnv *p_env = NULL);
+	void set_keep_screen_on(bool p_enabled);
+	void alert(const String &p_message, const String &p_title);
+	int get_gles_version_code();
+	bool has_get_clipboard();
+	String get_clipboard();
+	bool has_set_clipboard();
+	void set_clipboard(const String &p_text);
+	bool request_permission(const String &p_name);
+};
+
+#endif /* !JAVA_GODOT_WRAPPER_H */
diff --git a/platform/android/os_android.cpp b/platform/android/os_android.cpp
index 8c4531213f..d65cf2f31e 100644
--- a/platform/android/os_android.cpp
+++ b/platform/android/os_android.cpp
@@ -46,6 +46,9 @@
 
 #include <dlfcn.h>
 
+#include "java_godot_io_wrapper.h"
+#include "java_godot_wrapper.h"
+
 class AndroidLogger : public Logger {
 public:
 	virtual void logv(const char *p_format, va_list p_list, bool p_err) {
@@ -118,15 +121,14 @@ int OS_Android::get_current_video_driver() const {
 
 Error OS_Android::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
 
-	bool use_gl3 = get_gl_version_code_func() >= 0x00030000;
+	bool use_gl3 = godot_java->get_gles_version_code() >= 0x00030000;
 	use_gl3 = use_gl3 && (GLOBAL_GET("rendering/quality/driver/driver_name") == "GLES3");
 	bool gl_initialization_error = false;
 
 	while (true) {
 		if (use_gl3) {
 			if (RasterizerGLES3::is_viable() == OK) {
-				if (gfx_init_func)
-					gfx_init_func(gfx_init_ud, false);
+				godot_java->gfx_init(false);
 				RasterizerGLES3::register_config();
 				RasterizerGLES3::make_current();
 				break;
@@ -142,8 +144,7 @@ Error OS_Android::initialize(const VideoMode &p_desired, int p_video_driver, int
 			}
 		} else {
 			if (RasterizerGLES2::is_viable() == OK) {
-				if (gfx_init_func)
-					gfx_init_func(gfx_init_ud, true);
+				godot_java->gfx_init(true);
 				RasterizerGLES2::register_config();
 				RasterizerGLES2::make_current();
 				break;
@@ -195,11 +196,23 @@ void OS_Android::finalize() {
 	memdelete(input);
 }
 
+GodotJavaWrapper *OS_Android::get_godot_java() {
+	return godot_java;
+}
+
+GodotIOJavaWrapper *OS_Android::get_godot_io_java() {
+	return godot_io_java;
+}
+
 void OS_Android::alert(const String &p_alert, const String &p_title) {
 
 	//print("ALERT: %s\n", p_alert.utf8().get_data());
-	if (alert_func)
-		alert_func(p_alert, p_title);
+	godot_java->alert(p_alert, p_title);
+}
+
+bool OS_Android::request_permission(const String &p_name) {
+
+	return godot_java->request_permission(p_name);
 }
 
 Error OS_Android::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
@@ -256,9 +269,7 @@ void OS_Android::get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen)
 void OS_Android::set_keep_screen_on(bool p_enabled) {
 	OS::set_keep_screen_on(p_enabled);
 
-	if (set_keep_screen_on_func) {
-		set_keep_screen_on_func(p_enabled);
-	}
+	godot_java->set_keep_screen_on(p_enabled);
 }
 
 Size2 OS_Android::get_window_size() const {
@@ -499,18 +510,16 @@ bool OS_Android::has_virtual_keyboard() const {
 }
 
 int OS_Android::get_virtual_keyboard_height() const {
-	if (get_virtual_keyboard_height_func) {
-		return get_virtual_keyboard_height_func();
-	}
+	return godot_io_java->get_vk_height();
 
-	ERR_PRINT("Cannot obtain virtual keyboard height.");
-	return 0;
+	// ERR_PRINT("Cannot obtain virtual keyboard height.");
+	// return 0;
 }
 
 void OS_Android::show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect) {
 
-	if (show_virtual_keyboard_func) {
-		show_virtual_keyboard_func(p_existing_text);
+	if (godot_io_java->has_vk()) {
+		godot_io_java->show_vk(p_existing_text);
 	} else {
 
 		ERR_PRINT("Virtual keyboard not available");
@@ -519,9 +528,9 @@ void OS_Android::show_virtual_keyboard(const String &p_existing_text, const Rect
 
 void OS_Android::hide_virtual_keyboard() {
 
-	if (hide_virtual_keyboard_func) {
+	if (godot_io_java->has_vk()) {
 
-		hide_virtual_keyboard_func();
+		godot_io_java->hide_vk();
 	} else {
 
 		ERR_PRINT("Virtual keyboard not available");
@@ -548,19 +557,9 @@ void OS_Android::set_display_size(Size2 p_size) {
 	default_videomode.height = p_size.y;
 }
 
-void OS_Android::reload_gfx() {
-
-	if (gfx_init_func)
-		gfx_init_func(gfx_init_ud, use_gl2);
-	//if (rasterizer)
-	//	rasterizer->reload_vram();
-}
-
 Error OS_Android::shell_open(String p_uri) {
 
-	if (open_uri_func)
-		return open_uri_func(p_uri) ? ERR_CANT_OPEN : OK;
-	return ERR_UNAVAILABLE;
+	return godot_io_java->open_uri(p_uri);
 }
 
 String OS_Android::get_resource_dir() const {
@@ -570,23 +569,29 @@ String OS_Android::get_resource_dir() const {
 
 String OS_Android::get_locale() const {
 
-	if (get_locale_func)
-		return get_locale_func();
+	String locale = godot_io_java->get_locale();
+	if (locale != "") {
+		return locale;
+	}
+
 	return OS_Unix::get_locale();
 }
 
 void OS_Android::set_clipboard(const String &p_text) {
 
-	if (set_clipboard_func) {
-		set_clipboard_func(p_text);
+	// DO we really need the fallback to OS_Unix here?!
+	if (godot_java->has_set_clipboard()) {
+		godot_java->set_clipboard(p_text);
 	} else {
 		OS_Unix::set_clipboard(p_text);
 	}
 }
 
 String OS_Android::get_clipboard() const {
-	if (get_clipboard_func) {
-		return get_clipboard_func();
+
+	// DO we really need the fallback to OS_Unix here?!
+	if (godot_java->has_get_clipboard()) {
+		return godot_java->get_clipboard();
 	}
 
 	return OS_Unix::get_clipboard();
@@ -594,22 +599,16 @@ String OS_Android::get_clipboard() const {
 
 String OS_Android::get_model_name() const {
 
-	if (get_model_func)
-		return get_model_func();
+	String model = godot_io_java->get_model();
+	if (model != "")
+		return model;
+
 	return OS_Unix::get_model_name();
 }
 
 int OS_Android::get_screen_dpi(int p_screen) const {
 
-	if (get_screen_dpi_func) {
-		return get_screen_dpi_func();
-	}
-	return 160;
-}
-
-void OS_Android::set_need_reload_hooks(bool p_needs_them) {
-
-	use_reload_hooks = p_needs_them;
+	return godot_io_java->get_screen_dpi();
 }
 
 String OS_Android::get_user_data_dir() const {
@@ -617,8 +616,8 @@ String OS_Android::get_user_data_dir() const {
 	if (data_dir_cache != String())
 		return data_dir_cache;
 
-	if (get_user_data_dir_func) {
-		String data_dir = get_user_data_dir_func();
+	String data_dir = godot_io_java->get_user_data_dir();
+	if (data_dir != "") {
 
 		//store current dir
 		char real_current_dir_name[2048];
@@ -645,45 +644,43 @@ String OS_Android::get_user_data_dir() const {
 
 void OS_Android::set_screen_orientation(ScreenOrientation p_orientation) {
 
-	if (set_screen_orientation_func)
-		set_screen_orientation_func(p_orientation);
+	godot_io_java->set_screen_orientation(p_orientation);
 }
 
 String OS_Android::get_unique_id() const {
 
-	if (get_unique_id_func)
-		return get_unique_id_func();
+	String unique_id = godot_io_java->get_unique_id();
+	if (unique_id != "")
+		return unique_id;
+
 	return OS::get_unique_id();
 }
 
 Error OS_Android::native_video_play(String p_path, float p_volume, String p_audio_track, String p_subtitle_track) {
 	// FIXME: Add support for volume, audio and subtitle tracks
-	if (video_play_func)
-		video_play_func(p_path);
+
+	godot_io_java->play_video(p_path);
 	return OK;
 }
 
 bool OS_Android::native_video_is_playing() const {
-	if (video_is_playing_func)
-		return video_is_playing_func();
-	return false;
+
+	return godot_io_java->is_video_playing();
 }
 
 void OS_Android::native_video_pause() {
-	if (video_pause_func)
-		video_pause_func();
+
+	godot_io_java->pause_video();
 }
 
 String OS_Android::get_system_dir(SystemDir p_dir) const {
 
-	if (get_system_dir_func)
-		return get_system_dir_func(p_dir);
-	return String(".");
+	return godot_io_java->get_system_dir(p_dir);
 }
 
 void OS_Android::native_video_stop() {
-	if (video_stop_func)
-		video_stop_func();
+
+	godot_io_java->stop_video();
 }
 
 void OS_Android::set_context_is_16_bits(bool p_is_16) {
@@ -726,7 +723,7 @@ bool OS_Android::_check_internal_feature_support(const String &p_feature) {
 	return false;
 }
 
-OS_Android::OS_Android(GFXInitFunc p_gfx_init_func, void *p_gfx_init_ud, OpenURIFunc p_open_uri_func, GetUserDataDirFunc p_get_user_data_dir_func, GetLocaleFunc p_get_locale_func, GetModelFunc p_get_model_func, GetScreenDPIFunc p_get_screen_dpi_func, ShowVirtualKeyboardFunc p_show_vk, HideVirtualKeyboardFunc p_hide_vk, VirtualKeyboardHeightFunc p_vk_height_func, SetScreenOrientationFunc p_screen_orient, GetUniqueIDFunc p_get_unique_id, GetSystemDirFunc p_get_sdir_func, GetGLVersionCodeFunc p_get_gl_version_func, VideoPlayFunc p_video_play_func, VideoIsPlayingFunc p_video_is_playing_func, VideoPauseFunc p_video_pause_func, VideoStopFunc p_video_stop_func, SetKeepScreenOnFunc p_set_keep_screen_on_func, AlertFunc p_alert_func, SetClipboardFunc p_set_clipboard_func, GetClipboardFunc p_get_clipboard_func, bool p_use_apk_expansion) {
+OS_Android::OS_Android(GodotJavaWrapper *p_godot_java, GodotIOJavaWrapper *p_godot_io_java, bool p_use_apk_expansion) {
 
 	use_apk_expansion = p_use_apk_expansion;
 	default_videomode.width = 800;
@@ -734,38 +731,13 @@ OS_Android::OS_Android(GFXInitFunc p_gfx_init_func, void *p_gfx_init_ud, OpenURI
 	default_videomode.fullscreen = true;
 	default_videomode.resizable = false;
 
-	gfx_init_func = p_gfx_init_func;
-	gfx_init_ud = p_gfx_init_ud;
 	main_loop = NULL;
 	gl_extensions = NULL;
 	//rasterizer = NULL;
 	use_gl2 = false;
 
-	open_uri_func = p_open_uri_func;
-	get_user_data_dir_func = p_get_user_data_dir_func;
-	get_locale_func = p_get_locale_func;
-	get_model_func = p_get_model_func;
-	get_screen_dpi_func = p_get_screen_dpi_func;
-	get_unique_id_func = p_get_unique_id;
-	get_system_dir_func = p_get_sdir_func;
-	get_gl_version_code_func = p_get_gl_version_func;
-
-	video_play_func = p_video_play_func;
-	video_is_playing_func = p_video_is_playing_func;
-	video_pause_func = p_video_pause_func;
-	video_stop_func = p_video_stop_func;
-
-	show_virtual_keyboard_func = p_show_vk;
-	hide_virtual_keyboard_func = p_hide_vk;
-	get_virtual_keyboard_height_func = p_vk_height_func;
-
-	set_clipboard_func = p_set_clipboard_func;
-	get_clipboard_func = p_get_clipboard_func;
-
-	set_screen_orientation_func = p_screen_orient;
-	set_keep_screen_on_func = p_set_keep_screen_on_func;
-	alert_func = p_alert_func;
-	use_reload_hooks = false;
+	godot_java = p_godot_java;
+	godot_io_java = p_godot_io_java;
 
 	Vector<Logger *> loggers;
 	loggers.push_back(memnew(AndroidLogger));
diff --git a/platform/android/os_android.h b/platform/android/os_android.h
index 1e5b89e24d..3a5404124a 100644
--- a/platform/android/os_android.h
+++ b/platform/android/os_android.h
@@ -41,28 +41,8 @@
 #include "servers/audio_server.h"
 #include "servers/visual/rasterizer.h"
 
-typedef void (*GFXInitFunc)(void *ud, bool gl2);
-typedef int (*OpenURIFunc)(const String &);
-typedef String (*GetUserDataDirFunc)();
-typedef String (*GetLocaleFunc)();
-typedef void (*SetClipboardFunc)(const String &);
-typedef String (*GetClipboardFunc)();
-typedef String (*GetModelFunc)();
-typedef int (*GetScreenDPIFunc)();
-typedef String (*GetUniqueIDFunc)();
-typedef void (*ShowVirtualKeyboardFunc)(const String &);
-typedef void (*HideVirtualKeyboardFunc)();
-typedef void (*SetScreenOrientationFunc)(int);
-typedef String (*GetSystemDirFunc)(int);
-typedef int (*GetGLVersionCodeFunc)();
-
-typedef void (*VideoPlayFunc)(const String &);
-typedef bool (*VideoIsPlayingFunc)();
-typedef void (*VideoPauseFunc)();
-typedef void (*VideoStopFunc)();
-typedef void (*SetKeepScreenOnFunc)(bool p_enabled);
-typedef void (*AlertFunc)(const String &, const String &);
-typedef int (*VirtualKeyboardHeightFunc)();
+class GodotJavaWrapper;
+class GodotIOJavaWrapper;
 
 class OS_Android : public OS_Unix {
 public:
@@ -90,11 +70,7 @@ public:
 private:
 	Vector<TouchPos> touch;
 
-	GFXInitFunc gfx_init_func;
-	void *gfx_init_ud;
-
 	bool use_gl2;
-	bool use_reload_hooks;
 	bool use_apk_expansion;
 
 	bool use_16bits_fbo;
@@ -112,29 +88,11 @@ private:
 	VideoMode default_videomode;
 	MainLoop *main_loop;
 
-	OpenURIFunc open_uri_func;
-	GetUserDataDirFunc get_user_data_dir_func;
-	GetLocaleFunc get_locale_func;
-	SetClipboardFunc set_clipboard_func;
-	GetClipboardFunc get_clipboard_func;
-	GetModelFunc get_model_func;
-	GetScreenDPIFunc get_screen_dpi_func;
-	ShowVirtualKeyboardFunc show_virtual_keyboard_func;
-	HideVirtualKeyboardFunc hide_virtual_keyboard_func;
-	VirtualKeyboardHeightFunc get_virtual_keyboard_height_func;
-	SetScreenOrientationFunc set_screen_orientation_func;
-	GetUniqueIDFunc get_unique_id_func;
-	GetSystemDirFunc get_system_dir_func;
-	GetGLVersionCodeFunc get_gl_version_code_func;
-
-	VideoPlayFunc video_play_func;
-	VideoIsPlayingFunc video_is_playing_func;
-	VideoPauseFunc video_pause_func;
-	VideoStopFunc video_stop_func;
-	SetKeepScreenOnFunc set_keep_screen_on_func;
-	AlertFunc alert_func;
-
-	//PowerAndroid *power_manager;
+	GodotJavaWrapper *godot_java;
+	GodotIOJavaWrapper *godot_io_java;
+
+	//PowerAndroid *power_manager_func;
+
 	int video_driver_index;
 
 public:
@@ -158,8 +116,11 @@ public:
 	typedef int64_t ProcessID;
 
 	static OS *get_singleton();
+	GodotJavaWrapper *get_godot_java();
+	GodotIOJavaWrapper *get_godot_io_java();
 
 	virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
+	virtual bool request_permission(const String &p_name);
 
 	virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false);
 
@@ -203,10 +164,8 @@ public:
 	void set_opengl_extensions(const char *p_gl_extensions);
 	void set_display_size(Size2 p_size);
 
-	void reload_gfx();
 	void set_context_is_16_bits(bool p_is_16);
 
-	void set_need_reload_hooks(bool p_needs_them);
 	virtual void set_screen_orientation(ScreenOrientation p_orientation);
 
 	virtual Error shell_open(String p_uri);
@@ -241,7 +200,7 @@ public:
 	void joy_connection_changed(int p_device, bool p_connected, String p_name);
 
 	virtual bool _check_internal_feature_support(const String &p_feature);
-	OS_Android(GFXInitFunc p_gfx_init_func, void *p_gfx_init_ud, OpenURIFunc p_open_uri_func, GetUserDataDirFunc p_get_user_data_dir_func, GetLocaleFunc p_get_locale_func, GetModelFunc p_get_model_func, GetScreenDPIFunc p_get_screen_dpi_func, ShowVirtualKeyboardFunc p_show_vk, HideVirtualKeyboardFunc p_hide_vk, VirtualKeyboardHeightFunc p_vk_height_func, SetScreenOrientationFunc p_screen_orient, GetUniqueIDFunc p_get_unique_id, GetSystemDirFunc p_get_sdir_func, GetGLVersionCodeFunc p_get_gl_version_func, VideoPlayFunc p_video_play_func, VideoIsPlayingFunc p_video_is_playing_func, VideoPauseFunc p_video_pause_func, VideoStopFunc p_video_stop_func, SetKeepScreenOnFunc p_set_keep_screen_on_func, AlertFunc p_alert_func, SetClipboardFunc p_set_clipboard, GetClipboardFunc p_get_clipboard, bool p_use_apk_expansion);
+	OS_Android(GodotJavaWrapper *p_godot_java, GodotIOJavaWrapper *p_godot_io_java, bool p_use_apk_expansion);
 	~OS_Android();
 };
 
diff --git a/platform/iphone/app_delegate.mm b/platform/iphone/app_delegate.mm
index d160553050..64405bfa5b 100644
--- a/platform/iphone/app_delegate.mm
+++ b/platform/iphone/app_delegate.mm
@@ -615,18 +615,6 @@ static int frame_count = 0;
 
 	// Create a full-screen window
 	window = [[UIWindow alloc] initWithFrame:rect];
-	// window.autoresizesSubviews = YES;
-	//[window setAutoresizingMask:UIViewAutoresizingFlexibleWidth |
-	// UIViewAutoresizingFlexibleWidth];
-
-	// Create the OpenGL ES view and add it to the window
-	GLView *glView = [[GLView alloc] initWithFrame:rect];
-	printf("glview is %p\n", glView);
-	//[window addSubview:glView];
-	glView.delegate = self;
-	// glView.autoresizesSubviews = YES;
-	//[glView setAutoresizingMask:UIViewAutoresizingFlexibleWidth |
-	// UIViewAutoresizingFlexibleWidth];
 
 	OS::VideoMode vm = _get_video_mode();
 
@@ -641,6 +629,12 @@ static int frame_count = 0;
 		return FALSE;
 	};
 
+	// WARNING: We must *always* create the GLView after we have constructed the
+	// OS with iphone_main. This allows the GLView to access project settings so
+	// it can properly initialize the OpenGL context
+	GLView *glView = [[GLView alloc] initWithFrame:rect];
+	glView.delegate = self;
+
 	view_controller = [[ViewController alloc] init];
 	view_controller.view = glView;
 	window.rootViewController = view_controller;
diff --git a/platform/iphone/export/export.cpp b/platform/iphone/export/export.cpp
index 49f97e5946..85d4b9e847 100644
--- a/platform/iphone/export/export.cpp
+++ b/platform/iphone/export/export.cpp
@@ -839,7 +839,7 @@ Error EditorExportPlatformIOS::export_project(const Ref<EditorExportPreset> &p_p
 		}
 	}
 
-	if (!FileAccess::exists(dest_dir)) {
+	if (!DirAccess::exists(dest_dir)) {
 		return ERR_FILE_BAD_PATH;
 	}
 
diff --git a/platform/iphone/gl_view.mm b/platform/iphone/gl_view.mm
index 6f4d0ddb57..1cb8d0e44e 100644
--- a/platform/iphone/gl_view.mm
+++ b/platform/iphone/gl_view.mm
@@ -284,19 +284,37 @@ static void clear_touches() {
 			kEAGLColorFormatRGBA8,
 			kEAGLDrawablePropertyColorFormat,
 			nil];
+	bool fallback_gl2 = false;
+	// Create a GL ES 3 context based on the gl driver from project settings
+	if (GLOBAL_GET("rendering/quality/driver/driver_name") == "GLES3") {
+		context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
+		NSLog(@"Setting up an OpenGL ES 3.0 context. Based on Project Settings \"rendering/quality/driver/driver_name\"");
+		if (!context && GLOBAL_GET("rendering/quality/driver/fallback_to_gles2")) {
+			gles3_available = false;
+			fallback_gl2 = true;
+			NSLog(@"Failed to create OpenGL ES 3.0 context. Falling back to OpenGL ES 2.0");
+		}
+	}
 
-	// Create our EAGLContext, and if successful make it current and create our framebuffer.
-	context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
-
-	if (!context || ![EAGLContext setCurrentContext:context] || ![self createFramebuffer]) {
+	// Create GL ES 2 context
+	if (GLOBAL_GET("rendering/quality/driver/driver_name") == "GLES2" || fallback_gl2) {
 		context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
-		gles3_available = false;
-		if (!context || ![EAGLContext setCurrentContext:context] || ![self createFramebuffer]) {
-			[self release];
+		NSLog(@"Setting up an OpenGL ES 2.0 context.");
+		if (!context) {
+			NSLog(@"Failed to create OpenGL ES 2.0 context!");
 			return nil;
 		}
 	}
 
+	if (![EAGLContext setCurrentContext:context]) {
+		NSLog(@"Failed to set EAGLContext!");
+		return nil;
+	}
+	if (![self createFramebuffer]) {
+		NSLog(@"Failed to create frame buffer!");
+		return nil;
+	}
+
 	// Default the animation interval to 1/60th of a second.
 	animationInterval = 1.0 / 60.0;
 	return self;
diff --git a/platform/javascript/export/export.cpp b/platform/javascript/export/export.cpp
index b7ca1eb1d7..487da77b10 100644
--- a/platform/javascript/export/export.cpp
+++ b/platform/javascript/export/export.cpp
@@ -114,6 +114,9 @@ void EditorExportPlatformJavaScript::get_preset_features(const Ref<EditorExportP
 			r_features->push_back("etc");
 		} else if (driver == "GLES3") {
 			r_features->push_back("etc2");
+			if (ProjectSettings::get_singleton()->get("rendering/quality/driver/fallback_to_gles2")) {
+				r_features->push_back("etc");
+			}
 		}
 	}
 }
@@ -211,7 +214,7 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 			template_path = find_export_template(EXPORT_TEMPLATE_WEBASSEMBLY_RELEASE);
 	}
 
-	if (!FileAccess::exists(p_path.get_base_dir())) {
+	if (!DirAccess::exists(p_path.get_base_dir())) {
 		return ERR_FILE_BAD_PATH;
 	}
 
diff --git a/platform/osx/export/export.cpp b/platform/osx/export/export.cpp
index a0eccceed0..5e94bc457b 100644
--- a/platform/osx/export/export.cpp
+++ b/platform/osx/export/export.cpp
@@ -425,7 +425,7 @@ Error EditorExportPlatformOSX::export_project(const Ref<EditorExportPreset> &p_p
 		}
 	}
 
-	if (!FileAccess::exists(p_path.get_base_dir())) {
+	if (!DirAccess::exists(p_path.get_base_dir())) {
 		return ERR_FILE_BAD_PATH;
 	}
 
diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index d72e6038d4..7d2116ba7e 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -102,8 +102,6 @@ static void push_to_key_event_buffer(const OS_OSX::KeyEvent &p_event) {
 
 static int mouse_x = 0;
 static int mouse_y = 0;
-static int prev_mouse_x = 0;
-static int prev_mouse_y = 0;
 static int button_mask = 0;
 static bool mouse_down_control = false;
 
@@ -601,12 +599,13 @@ static void _mouseDownEvent(NSEvent *event, int index, int mask, bool pressed) {
 
 	Ref<InputEventMouseButton> mb;
 	mb.instance();
-
+	const CGFloat backingScaleFactor = [[event window] backingScaleFactor];
+	const Vector2 pos = get_mouse_pos([event locationInWindow], backingScaleFactor);
 	get_key_modifier_state([event modifierFlags], mb);
 	mb->set_button_index(index);
 	mb->set_pressed(pressed);
-	mb->set_position(Vector2(mouse_x, mouse_y));
-	mb->set_global_position(Vector2(mouse_x, mouse_y));
+	mb->set_position(pos);
+	mb->set_global_position(pos);
 	mb->set_button_mask(button_mask);
 	if (index == BUTTON_LEFT && pressed) {
 		mb->set_doubleclick([event clickCount] == 2);
@@ -642,8 +641,6 @@ static void _mouseDownEvent(NSEvent *event, int index, int mask, bool pressed) {
 	mm.instance();
 
 	mm->set_button_mask(button_mask);
-	prev_mouse_x = mouse_x;
-	prev_mouse_y = mouse_y;
 	const CGFloat backingScaleFactor = [[event window] backingScaleFactor];
 	const Vector2 pos = get_mouse_pos([event locationInWindow], backingScaleFactor);
 	mm->set_position(pos);
@@ -765,9 +762,41 @@ static void _mouseDownEvent(NSEvent *event, int index, int mask, bool pressed) {
 	[super updateTrackingAreas];
 }
 
+static bool isNumpadKey(unsigned int key) {
+
+	static const unsigned int table[] = {
+		0x41, /* kVK_ANSI_KeypadDecimal */
+		0x43, /* kVK_ANSI_KeypadMultiply */
+		0x45, /* kVK_ANSI_KeypadPlus */
+		0x47, /* kVK_ANSI_KeypadClear */
+		0x4b, /* kVK_ANSI_KeypadDivide */
+		0x4c, /* kVK_ANSI_KeypadEnter */
+		0x4e, /* kVK_ANSI_KeypadMinus */
+		0x51, /* kVK_ANSI_KeypadEquals */
+		0x52, /* kVK_ANSI_Keypad0 */
+		0x53, /* kVK_ANSI_Keypad1 */
+		0x54, /* kVK_ANSI_Keypad2 */
+		0x55, /* kVK_ANSI_Keypad3 */
+		0x56, /* kVK_ANSI_Keypad4 */
+		0x57, /* kVK_ANSI_Keypad5 */
+		0x58, /* kVK_ANSI_Keypad6 */
+		0x59, /* kVK_ANSI_Keypad7 */
+		0x5b, /* kVK_ANSI_Keypad8 */
+		0x5c, /* kVK_ANSI_Keypad9 */
+		0x5f, /* kVK_JIS_KeypadComma */
+		0x00
+	};
+	for (int i = 0; table[i] != 0; i++) {
+		if (key == table[i])
+			return true;
+	}
+	return false;
+}
+
 // Translates a OS X keycode to a Godot keycode
 //
 static int translateKey(unsigned int key) {
+
 	// Keyboard symbol translation table
 	static const unsigned int table[128] = {
 		/* 00 */ KEY_A,
@@ -780,7 +809,7 @@ static int translateKey(unsigned int key) {
 		/* 07 */ KEY_X,
 		/* 08 */ KEY_C,
 		/* 09 */ KEY_V,
-		/* 0a */ KEY_UNKNOWN,
+		/* 0a */ KEY_SECTION, /* ISO Section */
 		/* 0b */ KEY_B,
 		/* 0c */ KEY_Q,
 		/* 0d */ KEY_W,
@@ -834,7 +863,7 @@ static int translateKey(unsigned int key) {
 		/* 3d */ KEY_ALT,
 		/* 3e */ KEY_CONTROL,
 		/* 3f */ KEY_UNKNOWN, /* Function */
-		/* 40 */ KEY_UNKNOWN,
+		/* 40 */ KEY_UNKNOWN, /* F17 */
 		/* 41 */ KEY_KP_PERIOD,
 		/* 42 */ KEY_UNKNOWN,
 		/* 43 */ KEY_KP_MULTIPLY,
@@ -842,16 +871,16 @@ static int translateKey(unsigned int key) {
 		/* 45 */ KEY_KP_ADD,
 		/* 46 */ KEY_UNKNOWN,
 		/* 47 */ KEY_NUMLOCK, /* Really KeypadClear... */
-		/* 48 */ KEY_UNKNOWN, /* VolumeUp */
-		/* 49 */ KEY_UNKNOWN, /* VolumeDown */
-		/* 4a */ KEY_UNKNOWN, /* Mute */
+		/* 48 */ KEY_VOLUMEUP, /* VolumeUp */
+		/* 49 */ KEY_VOLUMEDOWN, /* VolumeDown */
+		/* 4a */ KEY_VOLUMEMUTE, /* Mute */
 		/* 4b */ KEY_KP_DIVIDE,
 		/* 4c */ KEY_KP_ENTER,
 		/* 4d */ KEY_UNKNOWN,
 		/* 4e */ KEY_KP_SUBTRACT,
-		/* 4f */ KEY_UNKNOWN,
-		/* 50 */ KEY_UNKNOWN,
-		/* 51 */ KEY_EQUAL, //wtf equal?
+		/* 4f */ KEY_UNKNOWN, /* F18 */
+		/* 50 */ KEY_UNKNOWN, /* F19 */
+		/* 51 */ KEY_EQUAL, /* KeypadEqual */
 		/* 52 */ KEY_KP_0,
 		/* 53 */ KEY_KP_1,
 		/* 54 */ KEY_KP_2,
@@ -860,27 +889,27 @@ static int translateKey(unsigned int key) {
 		/* 57 */ KEY_KP_5,
 		/* 58 */ KEY_KP_6,
 		/* 59 */ KEY_KP_7,
-		/* 5a */ KEY_UNKNOWN,
+		/* 5a */ KEY_UNKNOWN, /* F20 */
 		/* 5b */ KEY_KP_8,
 		/* 5c */ KEY_KP_9,
-		/* 5d */ KEY_UNKNOWN,
-		/* 5e */ KEY_UNKNOWN,
-		/* 5f */ KEY_UNKNOWN,
+		/* 5d */ KEY_YEN, /* JIS Yen */
+		/* 5e */ KEY_UNDERSCORE, /* JIS Underscore */
+		/* 5f */ KEY_COMMA, /* JIS KeypadComma */
 		/* 60 */ KEY_F5,
 		/* 61 */ KEY_F6,
 		/* 62 */ KEY_F7,
 		/* 63 */ KEY_F3,
 		/* 64 */ KEY_F8,
 		/* 65 */ KEY_F9,
-		/* 66 */ KEY_UNKNOWN,
+		/* 66 */ KEY_UNKNOWN, /* JIS Eisu */
 		/* 67 */ KEY_F11,
-		/* 68 */ KEY_UNKNOWN,
+		/* 68 */ KEY_UNKNOWN, /* JIS Kana */
 		/* 69 */ KEY_F13,
 		/* 6a */ KEY_F16,
 		/* 6b */ KEY_F14,
 		/* 6c */ KEY_UNKNOWN,
 		/* 6d */ KEY_F10,
-		/* 6e */ KEY_UNKNOWN,
+		/* 6e */ KEY_MENU,
 		/* 6f */ KEY_F12,
 		/* 70 */ KEY_UNKNOWN,
 		/* 71 */ KEY_F15,
@@ -971,6 +1000,9 @@ static const _KeyCodeMap _keycodes[55] = {
 
 static int remapKey(unsigned int key) {
 
+	if (isNumpadKey(key))
+		return translateKey(key);
+
 	TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
 	if (!currentKeyboard)
 		return translateKey(key);
@@ -1096,6 +1128,7 @@ static int remapKey(unsigned int key) {
 inline void sendScrollEvent(int button, double factor, int modifierFlags) {
 
 	unsigned int mask = 1 << (button - 1);
+	Vector2 mouse_pos = Vector2(mouse_x, mouse_y);
 
 	Ref<InputEventMouseButton> sc;
 	sc.instance();
@@ -1104,14 +1137,18 @@ inline void sendScrollEvent(int button, double factor, int modifierFlags) {
 	sc->set_button_index(button);
 	sc->set_factor(factor);
 	sc->set_pressed(true);
-	Vector2 mouse_pos = Vector2(mouse_x, mouse_y);
 	sc->set_position(mouse_pos);
 	sc->set_global_position(mouse_pos);
 	button_mask |= mask;
 	sc->set_button_mask(button_mask);
 	OS_OSX::singleton->push_input(sc);
 
+	sc.instance();
+	sc->set_button_index(button);
+	sc->set_factor(factor);
 	sc->set_pressed(false);
+	sc->set_position(mouse_pos);
+	sc->set_global_position(mouse_pos);
 	button_mask &= ~mask;
 	sc->set_button_mask(button_mask);
 	OS_OSX::singleton->push_input(sc);
@@ -2233,12 +2270,12 @@ Size2 OS_OSX::get_window_size() const {
 Size2 OS_OSX::get_real_window_size() const {
 
 	NSRect frame = [window_object frame];
-	return Size2(frame.size.width, frame.size.height);
+	return Size2(frame.size.width, frame.size.height) * _display_scale();
 }
 
 void OS_OSX::set_window_size(const Size2 p_size) {
 
-	Size2 size = p_size;
+	Size2 size = p_size / _display_scale();
 
 	if (get_borderless_window() == false) {
 		// NSRect used by setFrame includes the title bar, so add it to our size.y
diff --git a/platform/server/detect.py b/platform/server/detect.py
index 90a4092412..f13ee72fd2 100644
--- a/platform/server/detect.py
+++ b/platform/server/detect.py
@@ -1,7 +1,6 @@
 import os
 import platform
 import sys
-from methods import get_compiler_version, use_gcc
 
 # This file is mostly based on platform/x11/detect.py.
 # If editing this file, make sure to apply relevant changes here too.
@@ -147,7 +146,7 @@ def configure(env):
         # We need at least version 2.88
         import subprocess
         bullet_version = subprocess.check_output(['pkg-config', 'bullet', '--modversion']).strip()
-        if bullet_version < "2.88":
+        if str(bullet_version) < "2.88":
             # Abort as system bullet was requested but too old
             print("Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(bullet_version, "2.88"))
             sys.exit(255)
diff --git a/platform/uwp/export/export.cpp b/platform/uwp/export/export.cpp
index 8405608dd6..a0ab398f89 100644
--- a/platform/uwp/export/export.cpp
+++ b/platform/uwp/export/export.cpp
@@ -505,7 +505,7 @@ void AppxPackager::add_file(String p_file_name, const uint8_t *p_buffer, size_t
 
 	while (p_len - step > 0) {
 
-		size_t block_size = (p_len - step) > BLOCK_SIZE ? BLOCK_SIZE : (p_len - step);
+		size_t block_size = (p_len - step) > BLOCK_SIZE ? (size_t)BLOCK_SIZE : (p_len - step);
 
 		for (uint32_t i = 0; i < block_size; i++) {
 			strm_in.write[i] = p_buffer[step + i];
@@ -1265,7 +1265,7 @@ public:
 			}
 		}
 
-		if (!FileAccess::exists(p_path.get_base_dir())) {
+		if (!DirAccess::exists(p_path.get_base_dir())) {
 			return ERR_FILE_BAD_PATH;
 		}
 
diff --git a/platform/windows/godot.natvis b/platform/windows/godot.natvis
index 01963035a1..55c83c3f3c 100644
--- a/platform/windows/godot.natvis
+++ b/platform/windows/godot.natvis
@@ -2,92 +2,109 @@
 <AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
 	<Type Name="Vector&lt;*&gt;">
 		<Expand>
-			<Item Name="size">(_cowdata &amp;&amp; _cowdata-&gt;_ptr) ? (((const unsigned int *)(_cowdata-&gt;_ptr))[-1]) : 0</Item>
+			<Item Name="[size]">_cowdata._ptr ? (((const unsigned int *)(_cowdata._ptr))[-1]) : 0</Item>
 			<ArrayItems>
-				<Size>(_cowdata &amp;&amp; _cowdata-&gt;_ptr) ? (((const unsigned int *)(_cowdata-&gt;_ptr))[-1]) : 0</Size>
-				<ValuePointer>(_cowdata) ? (_cowdata-&gt;_ptr) : 0</ValuePointer>
+				<Size>_cowdata._ptr ? (((const unsigned int *)(_cowdata._ptr))[-1]) : 0</Size>
+				<ValuePointer>_cowdata._ptr</ValuePointer>
 			</ArrayItems>
 		</Expand>
 	</Type>
 
 	<Type Name="PoolVector&lt;*&gt;">
 		<Expand>
-			<Item Name="size">alloc ? (alloc-&gt;size / sizeof($T1)) : 0</Item>
+			<Item Name="[size]">alloc ? (alloc-&gt;size / sizeof($T1)) : 0</Item>
 			<ArrayItems>
 				<Size>alloc ? (alloc-&gt;size / sizeof($T1)) : 0</Size>
 				<ValuePointer>alloc ? (($T1 *)alloc-&gt;mem) : 0</ValuePointer>
 			</ArrayItems>
 		</Expand>
 	</Type>
+	
+	<Type Name="List&lt;*&gt;">
+		<Expand>
+			<Item Name="[size]">_data ? (_data->size_cache) : 0</Item>
+			<LinkedListItems>
+				<Size>_data ? (_data->size_cache) : 0</Size>
+				<HeadPointer>_data->first</HeadPointer>
+				<NextPointer>next_ptr</NextPointer>
+				<ValueNode>value</ValueNode>
+			</LinkedListItems>
+		</Expand>
+	</Type>
 
 	<Type Name="Variant">
-		<DisplayString Condition="this-&gt;type == Variant::NIL">nil</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::BOOL">{_data._bool}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::INT">{_data._int}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::REAL">{_data._real}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::TRANSFORM2D">{_data._transform2d}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::AABB">{_data._aabb}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::BASIS">{_data._basis}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::TRANSFORM">{_data._transform}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::ARRAY">{*(Array *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::STRING &amp;&amp; ((String *)(&amp;_data._mem[0]))-&gt;_cowdata._ptr == 0">""</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::STRING &amp;&amp; ((String *)(&amp;_data._mem[0]))-&gt;_cowdata._ptr != 0">{((String *)(&amp;_data._mem[0]))-&gt;_cowdata._ptr,su}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::VECTOR2">{*(Vector2 *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::RECT2">{*(Rect2 *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::VECTOR3">{*(Vector3 *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::PLANE">{*(Plane *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::QUAT">{*(Quat *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::COLOR">{*(Color *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::NODE_PATH">{*(NodePath *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::_RID">{*(RID *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::OBJECT">{*(Object *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::DICTIONARY">{*(Dictionary *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::ARRAY">{*(Array *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_BYTE_ARRAY">{*(PoolByteArray *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_INT_ARRAY">{*(PoolIntArray *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_REAL_ARRAY">{*(PoolRealArray *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_STRING_ARRAY">{*(PoolStringArray *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_VECTOR2_ARRAY">{*(PoolVector2Array *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_VECTOR3_ARRAY">{*(PoolVector3Array *)_data._mem}</DisplayString>
-		<DisplayString Condition="this-&gt;type == Variant::POOL_COLOR_ARRAY">{*(PoolColorArray *)_data._mem}</DisplayString>
-
-		<StringView Condition="this-&gt;type == Variant::STRING &amp;&amp; ((String *)(&amp;_data._mem[0]))-&gt;_cowdata._ptr != 0">((String *)(&amp;_data._mem[0]))-&gt;_cowdata._ptr,su</StringView>
+		<DisplayString Condition="type == Variant::NIL">nil</DisplayString>
+		<DisplayString Condition="type == Variant::BOOL">{_data._bool}</DisplayString>
+		<DisplayString Condition="type == Variant::INT">{_data._int}</DisplayString>
+		<DisplayString Condition="type == Variant::REAL">{_data._real}</DisplayString>
+		<DisplayString Condition="type == Variant::TRANSFORM2D">{_data._transform2d}</DisplayString>
+		<DisplayString Condition="type == Variant::AABB">{_data._aabb}</DisplayString>
+		<DisplayString Condition="type == Variant::BASIS">{_data._basis}</DisplayString>
+		<DisplayString Condition="type == Variant::TRANSFORM">{_data._transform}</DisplayString>
+		<DisplayString Condition="type == Variant::STRING">{*(String *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::VECTOR2">{*(Vector2 *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::RECT2">{*(Rect2 *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::VECTOR3">{*(Vector3 *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::PLANE">{*(Plane *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::QUAT">{*(Quat *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::COLOR">{*(Color *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::NODE_PATH">{*(NodePath *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::_RID">{*(RID *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::OBJECT">{*(Object *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::DICTIONARY">{*(Dictionary *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::ARRAY">{*(Array *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_BYTE_ARRAY">{*(PoolByteArray *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_INT_ARRAY">{*(PoolIntArray *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_REAL_ARRAY">{*(PoolRealArray *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_STRING_ARRAY">{*(PoolStringArray *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_VECTOR2_ARRAY">{*(PoolVector2Array *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_VECTOR3_ARRAY">{*(PoolVector3Array *)_data._mem}</DisplayString>
+		<DisplayString Condition="type == Variant::POOL_COLOR_ARRAY">{*(PoolColorArray *)_data._mem}</DisplayString>
 
+		<StringView Condition="type == Variant::STRING &amp;&amp; ((String *)(_data._mem))->_cowdata._ptr">((String *)(_data._mem))->_cowdata._ptr,su</StringView>
+		
 		<Expand>
-			<Item Name="value" Condition="this-&gt;type == Variant::BOOL">_data._bool</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::INT">_data._int</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::REAL">_data._real</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::TRANSFORM2D">_data._transform2d</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::AABB">_data._aabb</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::BASIS">_data._basis</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::TRANSFORM">_data._transform</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::ARRAY">*(Array *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::STRING">*(String *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::VECTOR2">*(Vector2 *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::RECT2">*(Rect2 *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::VECTOR3">*(Vector3 *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::PLANE">*(Plane *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::QUAT">*(Quat *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::COLOR">*(Color *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::NODE_PATH">*(NodePath *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::_RID">*(RID *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::OBJECT">*(Object *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::DICTIONARY">*(Dictionary *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::ARRAY">*(Array *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_BYTE_ARRAY">*(PoolByteArray *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_INT_ARRAY">*(PoolIntArray *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_REAL_ARRAY">*(PoolRealArray *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_STRING_ARRAY">*(PoolStringArray *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_VECTOR2_ARRAY">*(PoolVector2Array *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_VECTOR3_ARRAY">*(PoolVector3Array *)_data._mem</Item>
-			<Item Name="value" Condition="this-&gt;type == Variant::POOL_COLOR_ARRAY">*(PoolColorArray *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::BOOL">_data._bool</Item>
+			<Item Name="[value]" Condition="type == Variant::INT">_data._int</Item>
+			<Item Name="[value]" Condition="type == Variant::REAL">_data._real</Item>
+			<Item Name="[value]" Condition="type == Variant::TRANSFORM2D">_data._transform2d</Item>
+			<Item Name="[value]" Condition="type == Variant::AABB">_data._aabb</Item>
+			<Item Name="[value]" Condition="type == Variant::BASIS">_data._basis</Item>
+			<Item Name="[value]" Condition="type == Variant::TRANSFORM">_data._transform</Item>
+			<Item Name="[value]" Condition="type == Variant::STRING">*(String *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::VECTOR2">*(Vector2 *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::RECT2">*(Rect2 *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::VECTOR3">*(Vector3 *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::PLANE">*(Plane *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::QUAT">*(Quat *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::COLOR">*(Color *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::NODE_PATH">*(NodePath *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::_RID">*(RID *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::OBJECT">*(Object *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::DICTIONARY">*(Dictionary *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::ARRAY">*(Array *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_BYTE_ARRAY">*(PoolByteArray *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_INT_ARRAY">*(PoolIntArray *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_REAL_ARRAY">*(PoolRealArray *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_STRING_ARRAY">*(PoolStringArray *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_VECTOR2_ARRAY">*(PoolVector2Array *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_VECTOR3_ARRAY">*(PoolVector3Array *)_data._mem</Item>
+			<Item Name="[value]" Condition="type == Variant::POOL_COLOR_ARRAY">*(PoolColorArray *)_data._mem</Item>
 		</Expand>
 	</Type>
 
 	<Type Name="String">
-		<DisplayString Condition="this-&gt;_cowdata._ptr == 0">empty</DisplayString>
-		<DisplayString Condition="this-&gt;_cowdata._ptr != 0">{this->_cowdata._ptr,su}</DisplayString>
-		<StringView Condition="this-&gt;_cowdata._ptr != 0">this->_cowdata._ptr,su</StringView>
+		<DisplayString Condition="_cowdata._ptr == 0">[empty]</DisplayString>
+		<DisplayString Condition="_cowdata._ptr != 0">{_cowdata._ptr,su}</DisplayString>
+		<StringView Condition="_cowdata._ptr != 0">_cowdata._ptr,su</StringView>
+	</Type>
+
+	<Type Name="StringName">
+		<DisplayString Condition="_data &amp;&amp; _data->cname">{_data->cname}</DisplayString>
+		<DisplayString Condition="_data &amp;&amp; !_data->cname">{_data->name,su}</DisplayString>
+		<DisplayString Condition="!_data">[empty]</DisplayString>
+		<StringView Condition="_data &amp;&amp; _data->cname">_data->cname</StringView>
+		<StringView Condition="_data &amp;&amp; !_data->cname">_data->name,su</StringView>
 	</Type>
 
 	<Type Name="Vector2">
diff --git a/platform/x11/detect.py b/platform/x11/detect.py
index b5ad59e60a..5cc5ef4ac0 100644
--- a/platform/x11/detect.py
+++ b/platform/x11/detect.py
@@ -2,7 +2,7 @@ import os
 import platform
 import sys
 from compat import decode_utf8
-from methods import get_compiler_version, use_gcc
+from methods import get_compiler_version, using_gcc
 
 def is_active():
     return True
@@ -160,7 +160,7 @@ def configure(env):
     env.Append(LINKFLAGS=['-pipe'])
 
     # Check for gcc version >= 6 before adding -no-pie
-    if use_gcc(env):
+    if using_gcc(env):
         version = get_compiler_version(env)
         if version != None and version[0] >= '6':
             env.Append(CCFLAGS=['-fpie'])
@@ -197,7 +197,7 @@ def configure(env):
         # We need at least version 2.88
         import subprocess
         bullet_version = subprocess.check_output(['pkg-config', 'bullet', '--modversion']).strip()
-        if bullet_version < "2.88":
+        if str(bullet_version) < "2.88":
             # Abort as system bullet was requested but too old
             print("Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(bullet_version, "2.88"))
             sys.exit(255)
diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index 87b63c0982..0fe91f3d00 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -3048,11 +3048,12 @@ void OS_X11::set_context(int p_context) {
 
 		if (p_context == CONTEXT_ENGINE) {
 			classHint->res_name = (char *)"Godot_Engine";
-			char *config_name_tmp = (char *)((String)GLOBAL_GET("application/config/name")).utf8().ptrw();
-			if (config_name_tmp)
-				config_name = strdup(config_name_tmp);
-			else
+			String config_name_tmp = GLOBAL_GET("application/config/name");
+			if (config_name_tmp.length() > 0) {
+				config_name = strdup(config_name_tmp.utf8().get_data());
+			} else {
 				config_name = strdup("Godot Engine");
+			}
 
 			wm_class = config_name;
 		}
diff --git a/scene/2d/animated_sprite.cpp b/scene/2d/animated_sprite.cpp
index 3d7ff5f1fd..7a50574be2 100644
--- a/scene/2d/animated_sprite.cpp
+++ b/scene/2d/animated_sprite.cpp
@@ -93,7 +93,7 @@ Rect2 AnimatedSprite::_get_rect() const {
 
 	Point2 ofs = offset;
 	if (centered)
-		ofs -= s / 2;
+		ofs -= Size2(s) / 2;
 
 	if (s == Size2(0, 0))
 		s = Size2(1, 1);
@@ -393,19 +393,30 @@ void AnimatedSprite::_notification(int p_what) {
 					timeout = _get_frame_duration();
 
 					int fc = frames->get_frame_count(animation);
-					if (frame >= fc - 1) {
+					if ((!backwards && frame >= fc - 1) || (backwards && frame <= 0)) {
 						if (frames->get_animation_loop(animation)) {
-							frame = 0;
+							if (backwards)
+								frame = fc - 1;
+							else
+								frame = 0;
+
 							emit_signal(SceneStringNames::get_singleton()->animation_finished);
 						} else {
-							frame = fc - 1;
+							if (backwards)
+								frame = 0;
+							else
+								frame = fc - 1;
+
 							if (!is_over) {
 								is_over = true;
 								emit_signal(SceneStringNames::get_singleton()->animation_finished);
 							}
 						}
 					} else {
-						frame++;
+						if (backwards)
+							frame--;
+						else
+							frame++;
 					}
 
 					update();
@@ -594,10 +605,12 @@ bool AnimatedSprite::_is_playing() const {
 	return playing;
 }
 
-void AnimatedSprite::play(const StringName &p_animation) {
+void AnimatedSprite::play(const StringName &p_animation, const bool p_backwards) {
 
 	if (p_animation)
 		set_animation(p_animation);
+
+	backwards = p_backwards;
 	_set_playing(true);
 }
 
@@ -666,7 +679,7 @@ void AnimatedSprite::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_set_playing", "playing"), &AnimatedSprite::_set_playing);
 	ClassDB::bind_method(D_METHOD("_is_playing"), &AnimatedSprite::_is_playing);
 
-	ClassDB::bind_method(D_METHOD("play", "anim"), &AnimatedSprite::play, DEFVAL(StringName()));
+	ClassDB::bind_method(D_METHOD("play", "anim", "backwards"), &AnimatedSprite::play, DEFVAL(StringName()));
 	ClassDB::bind_method(D_METHOD("stop"), &AnimatedSprite::stop);
 	ClassDB::bind_method(D_METHOD("is_playing"), &AnimatedSprite::is_playing);
 
@@ -713,6 +726,7 @@ AnimatedSprite::AnimatedSprite() {
 	frame = 0;
 	speed_scale = 1.0f;
 	playing = false;
+	backwards = false;
 	animation = "default";
 	timeout = 0;
 	is_over = false;
diff --git a/scene/2d/animated_sprite.h b/scene/2d/animated_sprite.h
index 8753f88799..2cc372bd93 100644
--- a/scene/2d/animated_sprite.h
+++ b/scene/2d/animated_sprite.h
@@ -128,6 +128,7 @@ class AnimatedSprite : public Node2D {
 
 	Ref<SpriteFrames> frames;
 	bool playing;
+	bool backwards;
 	StringName animation;
 	int frame;
 	float speed_scale;
@@ -169,7 +170,7 @@ public:
 	void set_sprite_frames(const Ref<SpriteFrames> &p_frames);
 	Ref<SpriteFrames> get_sprite_frames() const;
 
-	void play(const StringName &p_animation = StringName());
+	void play(const StringName &p_animation = StringName(), const bool p_backwards = false);
 	void stop();
 	bool is_playing() const;
 
diff --git a/scene/2d/collision_object_2d.cpp b/scene/2d/collision_object_2d.cpp
index d54070df8d..f43d97eb2a 100644
--- a/scene/2d/collision_object_2d.cpp
+++ b/scene/2d/collision_object_2d.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "collision_object_2d.h"
+
 #include "scene/scene_string_names.h"
 #include "servers/physics_2d_server.h"
 
@@ -56,7 +57,7 @@ void CollisionObject2D::_notification(int p_what) {
 			_update_pickable();
 
 			//get space
-		}
+		} break;
 
 		case NOTIFICATION_ENTER_CANVAS: {
 
@@ -64,7 +65,7 @@ void CollisionObject2D::_notification(int p_what) {
 				Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, get_canvas_layer_instance_id());
 			else
 				Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, get_canvas_layer_instance_id());
-		}
+		} break;
 
 		case NOTIFICATION_VISIBILITY_CHANGED: {
 
@@ -101,7 +102,7 @@ void CollisionObject2D::_notification(int p_what) {
 				Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, 0);
 			else
 				Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, 0);
-		}
+		} break;
 	}
 }
 
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index c50a8d4a1a..721b52edaa 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -37,20 +37,8 @@
 void CPUParticles2D::set_emitting(bool p_emitting) {
 
 	emitting = p_emitting;
-	if (!is_processing_internal()) {
+	if (emitting)
 		set_process_internal(true);
-		if (is_inside_tree()) {
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true);
-
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
-	}
 }
 
 void CPUParticles2D::set_amount(int p_amount) {
@@ -365,7 +353,8 @@ void CPUParticles2D::set_param_curve(Parameter p_param, const Ref<Curve> &p_curv
 		} break;
 		case PARAM_ANIM_OFFSET: {
 		} break;
-		default: {}
+		default: {
+		}
 	}
 }
 Ref<Curve> CPUParticles2D::get_param_curve(Parameter p_param) const {
@@ -586,7 +575,7 @@ void CPUParticles2D::_particles_process(float p_delta) {
 			if (restart_time >= prev_time && restart_time < time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (time - restart_time) * lifetime;
+					local_delta = time - restart_time;
 				}
 			}
 
@@ -594,13 +583,13 @@ void CPUParticles2D::_particles_process(float p_delta) {
 			if (restart_time >= prev_time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (lifetime - restart_time + time) * lifetime;
+					local_delta = lifetime - restart_time + time;
 				}
 
 			} else if (restart_time < time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (time - restart_time) * lifetime;
+					local_delta = time - restart_time;
 				}
 			}
 		}
@@ -941,6 +930,26 @@ void CPUParticles2D::_update_particle_data_buffer() {
 #endif
 }
 
+void CPUParticles2D::_set_redraw(bool p_redraw) {
+	if (redraw == p_redraw)
+		return;
+	redraw = p_redraw;
+#ifndef NO_THREADS
+	update_mutex->lock();
+#endif
+	if (redraw) {
+		VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
+		VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true);
+	} else {
+		VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
+		VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false);
+	}
+#ifndef NO_THREADS
+	update_mutex->unlock();
+#endif
+	update(); // redraw to update render list
+}
+
 void CPUParticles2D::_update_render_thread() {
 
 #ifndef NO_THREADS
@@ -957,38 +966,19 @@ void CPUParticles2D::_update_render_thread() {
 void CPUParticles2D::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_ENTER_TREE) {
-		if (is_processing_internal()) {
-
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true);
-
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
+		set_process_internal(emitting);
 	}
 
 	if (p_what == NOTIFICATION_EXIT_TREE) {
-		if (is_processing_internal()) {
-
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false);
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
+		_set_redraw(false);
 	}
 
 	if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) {
 	}
 
 	if (p_what == NOTIFICATION_DRAW) {
+		if (!redraw)
+			return; // dont add to render list
 
 		RID texrid;
 		if (texture.is_valid()) {
@@ -1005,26 +995,20 @@ void CPUParticles2D::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
 
-		if (particles.size() == 0 || !is_visible_in_tree())
+		if (particles.size() == 0 || !is_visible_in_tree()) {
+			_set_redraw(false);
 			return;
+		}
 
 		float delta = get_process_delta_time();
 		if (emitting) {
-
 			inactive_time = 0;
 		} else {
 			inactive_time += delta;
 			if (inactive_time > lifetime * 1.2) {
 				set_process_internal(false);
-#ifndef NO_THREADS
-				update_mutex->lock();
-#endif
-				VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
-				VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false);
+				_set_redraw(false);
 
-#ifndef NO_THREADS
-				update_mutex->unlock();
-#endif
 				//reset variables
 				time = 0;
 				inactive_time = 0;
@@ -1033,6 +1017,7 @@ void CPUParticles2D::_notification(int p_what) {
 				return;
 			}
 		}
+		_set_redraw(true);
 
 		if (time == 0 && pre_process_time > 0.0) {
 
@@ -1354,6 +1339,7 @@ CPUParticles2D::CPUParticles2D() {
 	inactive_time = 0;
 	frame_remainder = 0;
 	cycle = 0;
+	redraw = false;
 
 	mesh = VisualServer::get_singleton()->mesh_create();
 	multimesh = VisualServer::get_singleton()->multimesh_create();
diff --git a/scene/2d/cpu_particles_2d.h b/scene/2d/cpu_particles_2d.h
index b1adf62980..23d2586331 100644
--- a/scene/2d/cpu_particles_2d.h
+++ b/scene/2d/cpu_particles_2d.h
@@ -103,6 +103,7 @@ private:
 	float inactive_time;
 	float frame_remainder;
 	int cycle;
+	bool redraw;
 
 	RID mesh;
 	RID multimesh;
@@ -179,6 +180,8 @@ private:
 
 	void _update_mesh_texture();
 
+	void _set_redraw(bool p_redraw);
+
 protected:
 	static void _bind_methods();
 	void _notification(int p_what);
diff --git a/scene/2d/line_2d.cpp b/scene/2d/line_2d.cpp
index 105eb82afb..73692e0535 100644
--- a/scene/2d/line_2d.cpp
+++ b/scene/2d/line_2d.cpp
@@ -112,6 +112,14 @@ int Line2D::get_point_count() const {
 	return _points.size();
 }
 
+void Line2D::clear_points() {
+	int count = _points.size();
+	if (count > 0) {
+		_points.resize(0);
+		update();
+	}
+}
+
 void Line2D::add_point(Vector2 pos) {
 	_points.append(pos);
 	update();
@@ -313,6 +321,8 @@ void Line2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("add_point", "position"), &Line2D::add_point);
 	ClassDB::bind_method(D_METHOD("remove_point", "i"), &Line2D::remove_point);
 
+	ClassDB::bind_method(D_METHOD("clear_points"), &Line2D::clear_points);
+
 	ClassDB::bind_method(D_METHOD("set_width", "width"), &Line2D::set_width);
 	ClassDB::bind_method(D_METHOD("get_width"), &Line2D::get_width);
 
diff --git a/scene/2d/line_2d.h b/scene/2d/line_2d.h
index 5bbd38e460..32befab2d3 100644
--- a/scene/2d/line_2d.h
+++ b/scene/2d/line_2d.h
@@ -70,6 +70,8 @@ public:
 
 	int get_point_count() const;
 
+	void clear_points();
+
 	void add_point(Vector2 pos);
 	void remove_point(int i);
 
diff --git a/scene/2d/parallax_background.cpp b/scene/2d/parallax_background.cpp
index 96e13396c5..4ead1bbd1e 100644
--- a/scene/2d/parallax_background.cpp
+++ b/scene/2d/parallax_background.cpp
@@ -207,7 +207,7 @@ void ParallaxBackground::_bind_methods() {
 ParallaxBackground::ParallaxBackground() {
 
 	scale = 1.0;
-	set_layer(-1); //behind all by default
+	set_layer(-100); //behind all by default
 
 	base_scale = Vector2(1, 1);
 	ignore_camera_zoom = false;
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index 1b7e1a6b8b..690f1d4b4a 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -199,7 +199,7 @@ real_t StaticBody2D::get_constant_angular_velocity() const {
 #ifndef DISABLE_DEPRECATED
 void StaticBody2D::set_friction(real_t p_friction) {
 
-	if (p_friction == 1.0) { // default value, don't create an override for that
+	if (p_friction == 1.0 && physics_material_override.is_null()) { // default value, don't create an override for that
 		return;
 	}
 
@@ -229,7 +229,7 @@ real_t StaticBody2D::get_friction() const {
 
 void StaticBody2D::set_bounce(real_t p_bounce) {
 
-	if (p_bounce == 0.0) { // default value, don't create an override for that
+	if (p_bounce == 0.0 && physics_material_override.is_null()) { // default value, don't create an override for that
 		return;
 	}
 
@@ -626,7 +626,7 @@ real_t RigidBody2D::get_weight() const {
 #ifndef DISABLE_DEPRECATED
 void RigidBody2D::set_friction(real_t p_friction) {
 
-	if (p_friction == 1.0) { // default value, don't create an override for that
+	if (p_friction == 1.0 && physics_material_override.is_null()) { // default value, don't create an override for that
 		return;
 	}
 
@@ -655,7 +655,7 @@ real_t RigidBody2D::get_friction() const {
 
 void RigidBody2D::set_bounce(real_t p_bounce) {
 
-	if (p_bounce == 0.0) { // default value, don't create an override for that
+	if (p_bounce == 0.0 && physics_material_override.is_null()) { // default value, don't create an override for that
 		return;
 	}
 
diff --git a/scene/2d/sprite.cpp b/scene/2d/sprite.cpp
index ba103a8bf0..a8c7622828 100644
--- a/scene/2d/sprite.cpp
+++ b/scene/2d/sprite.cpp
@@ -363,7 +363,7 @@ Rect2 Sprite::get_rect() const {
 
 	Point2 ofs = offset;
 	if (centered)
-		ofs -= s / 2;
+		ofs -= Size2(s) / 2;
 
 	if (s == Size2(0, 0))
 		s = Size2(1, 1);
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index ed0a9c4915..3562011bc2 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -773,6 +773,7 @@ void TileMap::set_cell(int p_x, int p_y, int p_tile, bool p_flip_x, bool p_flip_
 		else
 			_make_quadrant_dirty(Q);
 
+		used_size_cache_dirty = true;
 		return;
 	}
 
@@ -1391,15 +1392,17 @@ Vector2 TileMap::_map_to_world(int p_x, int p_y, bool p_ignore_ofs) const {
 	if (!p_ignore_ofs) {
 		switch (half_offset) {
 
-			case HALF_OFFSET_X: {
+			case HALF_OFFSET_X:
+			case HALF_OFFSET_NEGATIVE_X: {
 				if (ABS(p_y) & 1) {
 
-					ret += get_cell_transform()[0] * 0.5;
+					ret += get_cell_transform()[0] * (half_offset == HALF_OFFSET_X ? 0.5 : -0.5);
 				}
 			} break;
-			case HALF_OFFSET_Y: {
+			case HALF_OFFSET_Y:
+			case HALF_OFFSET_NEGATIVE_Y: {
 				if (ABS(p_x) & 1) {
-					ret += get_cell_transform()[1] * 0.5;
+					ret += get_cell_transform()[1] * (half_offset == HALF_OFFSET_Y ? 0.5 : -0.5);
 				}
 			} break;
 			default: {}
@@ -1462,11 +1465,21 @@ Vector2 TileMap::world_to_map(const Vector2 &p_pos) const {
 				ret.x -= 0.5;
 			}
 		} break;
+		case HALF_OFFSET_NEGATIVE_X: {
+			if (ret.y > 0 ? int(ret.y) & 1 : (int(ret.y) - 1) & 1) {
+				ret.x += 0.5;
+			}
+		} break;
 		case HALF_OFFSET_Y: {
 			if (ret.x > 0 ? int(ret.x) & 1 : (int(ret.x) - 1) & 1) {
 				ret.y -= 0.5;
 			}
 		} break;
+		case HALF_OFFSET_NEGATIVE_Y: {
+			if (ret.x > 0 ? int(ret.x) & 1 : (int(ret.x) - 1) & 1) {
+				ret.y += 0.5;
+			}
+		} break;
 		default: {}
 	}
 
@@ -1677,7 +1690,7 @@ void TileMap::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "cell_size", PROPERTY_HINT_RANGE, "1,8192,1"), "set_cell_size", "get_cell_size");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_quadrant_size", PROPERTY_HINT_RANGE, "1,128,1"), "set_quadrant_size", "get_quadrant_size");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "cell_custom_transform"), "set_custom_transform", "get_custom_transform");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_half_offset", PROPERTY_HINT_ENUM, "Offset X,Offset Y,Disabled"), "set_half_offset", "get_half_offset");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_half_offset", PROPERTY_HINT_ENUM, "Offset X,Offset Y,Disabled,Offset Negative X,Offset Negative Y"), "set_half_offset", "get_half_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_tile_origin", PROPERTY_HINT_ENUM, "Top Left,Center,Bottom Left"), "set_tile_origin", "get_tile_origin");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cell_y_sort"), "set_y_sort_mode", "is_y_sort_mode_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cell_clip_uv"), "set_clip_uv", "get_clip_uv");
@@ -1703,6 +1716,8 @@ void TileMap::_bind_methods() {
 	BIND_ENUM_CONSTANT(HALF_OFFSET_X);
 	BIND_ENUM_CONSTANT(HALF_OFFSET_Y);
 	BIND_ENUM_CONSTANT(HALF_OFFSET_DISABLED);
+	BIND_ENUM_CONSTANT(HALF_OFFSET_NEGATIVE_X);
+	BIND_ENUM_CONSTANT(HALF_OFFSET_NEGATIVE_Y);
 
 	BIND_ENUM_CONSTANT(TILE_ORIGIN_TOP_LEFT);
 	BIND_ENUM_CONSTANT(TILE_ORIGIN_CENTER);
diff --git a/scene/2d/tile_map.h b/scene/2d/tile_map.h
index e450e1e256..6a1467aa48 100644
--- a/scene/2d/tile_map.h
+++ b/scene/2d/tile_map.h
@@ -52,6 +52,8 @@ public:
 		HALF_OFFSET_X,
 		HALF_OFFSET_Y,
 		HALF_OFFSET_DISABLED,
+		HALF_OFFSET_NEGATIVE_X,
+		HALF_OFFSET_NEGATIVE_Y,
 	};
 
 	enum TileOrigin {
diff --git a/scene/3d/area.cpp b/scene/3d/area.cpp
index e58e26d2d1..13d9181082 100644
--- a/scene/3d/area.cpp
+++ b/scene/3d/area.cpp
@@ -756,7 +756,6 @@ Area::Area() :
 	monitorable = false;
 	collision_mask = 1;
 	collision_layer = 1;
-	set_ray_pickable(false);
 	set_monitoring(true);
 	set_monitorable(true);
 
diff --git a/scene/3d/collision_object.cpp b/scene/3d/collision_object.cpp
index d8c2042c88..f542b021be 100644
--- a/scene/3d/collision_object.cpp
+++ b/scene/3d/collision_object.cpp
@@ -52,7 +52,7 @@ void CollisionObject::_notification(int p_what) {
 
 			_update_pickable();
 			//get space
-		};
+		} break;
 
 		case NOTIFICATION_TRANSFORM_CHANGED: {
 
diff --git a/scene/3d/cpu_particles.cpp b/scene/3d/cpu_particles.cpp
index 11dfbdb1f9..469a1e87db 100644
--- a/scene/3d/cpu_particles.cpp
+++ b/scene/3d/cpu_particles.cpp
@@ -47,20 +47,8 @@ PoolVector<Face3> CPUParticles::get_faces(uint32_t p_usage_flags) const {
 void CPUParticles::set_emitting(bool p_emitting) {
 
 	emitting = p_emitting;
-	if (!is_processing_internal()) {
+	if (emitting)
 		set_process_internal(true);
-		if (is_inside_tree()) {
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, true);
-
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
-	}
 }
 
 void CPUParticles::set_amount(int p_amount) {
@@ -343,7 +331,8 @@ void CPUParticles::set_param_curve(Parameter p_param, const Ref<Curve> &p_curve)
 		} break;
 		case PARAM_ANIM_OFFSET: {
 		} break;
-		default: {}
+		default: {
+		}
 	}
 }
 Ref<Curve> CPUParticles::get_param_curve(Parameter p_param) const {
@@ -556,7 +545,7 @@ void CPUParticles::_particles_process(float p_delta) {
 			if (restart_time >= prev_time && restart_time < time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (time - restart_time) * lifetime;
+					local_delta = time - restart_time;
 				}
 			}
 
@@ -564,13 +553,13 @@ void CPUParticles::_particles_process(float p_delta) {
 			if (restart_time >= prev_time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (1.0 - restart_time + time) * lifetime;
+					local_delta = lifetime - restart_time + time;
 				}
 
 			} else if (restart_time < time) {
 				restart = true;
 				if (fractional_delta) {
-					local_delta = (time - restart_time) * lifetime;
+					local_delta = time - restart_time;
 				}
 			}
 		}
@@ -1004,6 +993,27 @@ void CPUParticles::_update_particle_data_buffer() {
 #endif
 }
 
+void CPUParticles::_set_redraw(bool p_redraw) {
+	if (redraw == p_redraw)
+		return;
+	redraw = p_redraw;
+#ifndef NO_THREADS
+	update_mutex->lock();
+#endif
+	if (redraw) {
+		VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
+		VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, true);
+		VS::get_singleton()->multimesh_set_visible_instances(multimesh, -1);
+	} else {
+		VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
+		VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, false);
+		VS::get_singleton()->multimesh_set_visible_instances(multimesh, 0);
+	}
+#ifndef NO_THREADS
+	update_mutex->unlock();
+#endif
+}
+
 void CPUParticles::_update_render_thread() {
 
 #ifndef NO_THREADS
@@ -1022,31 +1032,11 @@ void CPUParticles::_update_render_thread() {
 void CPUParticles::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_ENTER_TREE) {
-		if (is_processing_internal()) {
-
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, true);
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
+		set_process_internal(emitting);
 	}
 
 	if (p_what == NOTIFICATION_EXIT_TREE) {
-		if (is_processing_internal()) {
-
-#ifndef NO_THREADS
-			update_mutex->lock();
-#endif
-			VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
-			VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, false);
-#ifndef NO_THREADS
-			update_mutex->unlock();
-#endif
-		}
+		_set_redraw(false);
 	}
 
 	if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) {
@@ -1054,26 +1044,20 @@ void CPUParticles::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
 
-		if (particles.size() == 0 || !is_visible_in_tree())
+		if (particles.size() == 0 || !is_visible_in_tree()) {
+			_set_redraw(false);
 			return;
+		}
 
 		float delta = get_process_delta_time();
 		if (emitting) {
-
 			inactive_time = 0;
 		} else {
 			inactive_time += delta;
 			if (inactive_time > lifetime * 1.2) {
 				set_process_internal(false);
-#ifndef NO_THREADS
-				update_mutex->lock();
-#endif
-				VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
-				VS::get_singleton()->instance_geometry_set_flag(get_instance(), VS::INSTANCE_FLAG_DRAW_NEXT_FRAME_IF_VISIBLE, false);
+				_set_redraw(false);
 
-#ifndef NO_THREADS
-				update_mutex->unlock();
-#endif
 				//reset variables
 				time = 0;
 				inactive_time = 0;
@@ -1082,6 +1066,7 @@ void CPUParticles::_notification(int p_what) {
 				return;
 			}
 		}
+		_set_redraw(true);
 
 		bool processed = false;
 
@@ -1406,6 +1391,7 @@ CPUParticles::CPUParticles() {
 	inactive_time = 0;
 	frame_remainder = 0;
 	cycle = 0;
+	redraw = false;
 
 	multimesh = VisualServer::get_singleton()->multimesh_create();
 	set_base(multimesh);
diff --git a/scene/3d/cpu_particles.h b/scene/3d/cpu_particles.h
index b50befe7be..b863a3cb3f 100644
--- a/scene/3d/cpu_particles.h
+++ b/scene/3d/cpu_particles.h
@@ -104,6 +104,7 @@ private:
 	float inactive_time;
 	float frame_remainder;
 	int cycle;
+	bool redraw;
 
 	RID multimesh;
 
@@ -178,6 +179,8 @@ private:
 
 	void _update_render_thread();
 
+	void _set_redraw(bool p_redraw);
+
 protected:
 	static void _bind_methods();
 	void _notification(int p_what);
diff --git a/scene/3d/mesh_instance.cpp b/scene/3d/mesh_instance.cpp
index 848889155b..89072519d5 100644
--- a/scene/3d/mesh_instance.cpp
+++ b/scene/3d/mesh_instance.cpp
@@ -96,7 +96,7 @@ void MeshInstance::_get_property_list(List<PropertyInfo> *p_list) const {
 	ls.sort();
 
 	for (List<String>::Element *E = ls.front(); E; E = E->next()) {
-		p_list->push_back(PropertyInfo(Variant::REAL, E->get(), PROPERTY_HINT_RANGE, "0,1,0.01"));
+		p_list->push_back(PropertyInfo(Variant::REAL, E->get(), PROPERTY_HINT_RANGE, "0,1,0.00001"));
 	}
 
 	if (mesh.is_valid()) {
diff --git a/scene/3d/spatial.cpp b/scene/3d/spatial.cpp
index d6544c39da..83f99a2e3c 100644
--- a/scene/3d/spatial.cpp
+++ b/scene/3d/spatial.cpp
@@ -178,7 +178,7 @@ void Spatial::_notification(int p_what) {
 				get_script_instance()->call_multilevel(SceneStringNames::get_singleton()->_enter_world, NULL, 0);
 			}
 #ifdef TOOLS_ENABLED
-			if (Engine::get_singleton()->is_editor_hint()) {
+			if (Engine::get_singleton()->is_editor_hint() && get_tree()->is_node_being_edited(this)) {
 
 				//get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,SceneStringNames::get_singleton()->_spatial_editor_group,SceneStringNames::get_singleton()->_request_gizmo,this);
 				get_tree()->call_group_flags(0, SceneStringNames::get_singleton()->_spatial_editor_group, SceneStringNames::get_singleton()->_request_gizmo, this);
diff --git a/scene/animation/animation_node_state_machine.cpp b/scene/animation/animation_node_state_machine.cpp
index 5df3da93e1..68ad71d01c 100644
--- a/scene/animation/animation_node_state_machine.cpp
+++ b/scene/animation/animation_node_state_machine.cpp
@@ -440,13 +440,13 @@ float AnimationNodeStateMachinePlayback::process(AnimationNodeStateMachine *sm,
 
 		bool goto_next = false;
 
-		if (switch_mode == AnimationNodeStateMachineTransition::SWITCH_MODE_IMMEDIATE) {
-			goto_next = fading_from == StringName();
-		} else {
+		if (switch_mode == AnimationNodeStateMachineTransition::SWITCH_MODE_AT_END) {
 			goto_next = next_xfade >= (len_current - pos_current) || loops_current > 0;
 			if (loops_current > 0) {
 				next_xfade = 0;
 			}
+		} else {
+			goto_next = fading_from == StringName();
 		}
 
 		if (goto_next) { //loops should be used because fade time may be too small or zero and animation may have looped
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index 0b6fa26bfc..fe1b8247ff 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -883,16 +883,16 @@ void AnimationTree::_process_graph(float p_delta) {
 
 						TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
 
-						if (t->process_pass != process_pass) {
+						if (track->root_motion) {
 
-							t->process_pass = process_pass;
-							t->loc = Vector3();
-							t->rot = Quat();
-							t->rot_blend_accum = 0;
-							t->scale = Vector3();
-						}
+							if (t->process_pass != process_pass) {
 
-						if (track->root_motion) {
+								t->process_pass = process_pass;
+								t->loc = Vector3();
+								t->rot = Quat();
+								t->rot_blend_accum = 0;
+								t->scale = Vector3();
+							}
 
 							float prev_time = time - delta;
 							if (prev_time < 0) {
@@ -946,6 +946,15 @@ void AnimationTree::_process_graph(float p_delta) {
 							Error err = a->transform_track_interpolate(i, time, &loc, &rot, &scale);
 							//ERR_CONTINUE(err!=OK); //used for testing, should be removed
 
+							if (t->process_pass != process_pass) {
+
+								t->process_pass = process_pass;
+								t->loc = loc;
+								t->rot = rot;
+								t->rot_blend_accum = 0;
+								t->scale = Vector3();
+							}
+
 							scale -= Vector3(1.0, 1.0, 1.0); //helps make it work properly with Add nodes
 
 							if (err != OK)
@@ -978,8 +987,7 @@ void AnimationTree::_process_graph(float p_delta) {
 								continue;
 
 							if (t->process_pass != process_pass) {
-								Variant::CallError ce;
-								t->value = Variant::construct(value.get_type(), NULL, 0, ce); //reset
+								t->value = value;
 								t->process_pass = process_pass;
 							}
 
@@ -1036,7 +1044,7 @@ void AnimationTree::_process_graph(float p_delta) {
 						float bezier = a->bezier_track_interpolate(i, time);
 
 						if (t->process_pass != process_pass) {
-							t->value = 0;
+							t->value = bezier;
 							t->process_pass = process_pass;
 						}
 
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp
index 6a5d7839f4..23998183b8 100644
--- a/scene/animation/tween.cpp
+++ b/scene/animation/tween.cpp
@@ -223,6 +223,7 @@ void Tween::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("tween_started", PropertyInfo(Variant::OBJECT, "object"), PropertyInfo(Variant::NODE_PATH, "key")));
 	ADD_SIGNAL(MethodInfo("tween_step", PropertyInfo(Variant::OBJECT, "object"), PropertyInfo(Variant::NODE_PATH, "key"), PropertyInfo(Variant::REAL, "elapsed"), PropertyInfo(Variant::OBJECT, "value")));
 	ADD_SIGNAL(MethodInfo("tween_completed", PropertyInfo(Variant::OBJECT, "object"), PropertyInfo(Variant::NODE_PATH, "key")));
+	ADD_SIGNAL(MethodInfo("tween_all_completed"));
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "repeat"), "set_repeat", "is_repeat");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "playback_process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_tween_process_mode", "get_tween_process_mode");
@@ -628,8 +629,10 @@ void Tween::_tween_process(float p_delta) {
 	}
 	pending_update--;
 
-	if (all_finished)
+	if (all_finished) {
 		set_active(false);
+		emit_signal("tween_all_completed");
+	}
 }
 
 void Tween::set_tween_process_mode(TweenProcessMode p_mode) {
diff --git a/scene/gui/button.cpp b/scene/gui/button.cpp
index c734136895..65e9cccd05 100644
--- a/scene/gui/button.cpp
+++ b/scene/gui/button.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "button.h"
+
 #include "core/translation.h"
 #include "servers/visual_server.h"
 
@@ -102,6 +103,7 @@ void Button::_notification(int p_what) {
 
 					break;
 				}
+				FALLTHROUGH;
 			}
 			case DRAW_PRESSED: {
 
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 86894ce070..c7cd2bb6d8 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -1388,7 +1388,10 @@ void Control::set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin, bo
 	}
 
 	update();
-	_change_notify("anchor");
+	_change_notify("anchor_left");
+	_change_notify("anchor_right");
+	_change_notify("anchor_top");
+	_change_notify("anchor_bottom");
 }
 
 void Control::_set_anchor(Margin p_margin, float p_anchor) {
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 68e734502b..30ad81bb2e 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -770,7 +770,9 @@ void GraphEdit::_top_layer_draw() {
 	}
 
 	if (box_selecting)
-		top_layer->draw_rect(box_selecting_rect, Color(0.7, 0.7, 1.0, 0.3));
+		top_layer->draw_rect(
+				box_selecting_rect,
+				get_color("accent_color", "Editor") * Color(1, 1, 1, 0.375));
 }
 
 void GraphEdit::set_selected(Node *p_child) {
diff --git a/scene/gui/graph_node.cpp b/scene/gui/graph_node.cpp
index 8c588109d6..e8692d56d2 100644
--- a/scene/gui/graph_node.cpp
+++ b/scene/gui/graph_node.cpp
@@ -164,7 +164,6 @@ void GraphNode::_resort() {
 		vofs += size.y;
 	}
 
-	_change_notify();
 	update();
 	connpos_dirty = true;
 }
@@ -409,9 +408,12 @@ Size2 GraphNode::get_minimum_size() const {
 
 void GraphNode::set_title(const String &p_title) {
 
+	if (title == p_title)
+		return;
 	title = p_title;
-	minimum_size_changed();
 	update();
+	_change_notify("title");
+	minimum_size_changed();
 }
 
 String GraphNode::get_title() const {
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index bf6833e512..0c5dc39273 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "line_edit.h"
+
 #include "core/message_queue.h"
 #include "core/os/keyboard.h"
 #include "core/os/os.h"
@@ -320,7 +321,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 						handled = false;
 						break;
 					}
-					// numlock disabled. fallthrough to key_left
+					FALLTHROUGH;
 				}
 				case KEY_LEFT: {
 
@@ -367,7 +368,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 						handled = false;
 						break;
 					}
-					// numlock disabled. fallthrough to key_right
+					FALLTHROUGH;
 				}
 				case KEY_RIGHT: {
 
@@ -474,7 +475,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 						handled = false;
 						break;
 					}
-					// numlock disabled. fallthrough to key_home
+					FALLTHROUGH;
 				}
 				case KEY_HOME: {
 
@@ -487,7 +488,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 						handled = false;
 						break;
 					}
-					// numlock disabled. fallthrough to key_end
+					FALLTHROUGH;
 				}
 				case KEY_END: {
 
@@ -1223,6 +1224,7 @@ void LineEdit::append_at_cursor(String p_text) {
 
 void LineEdit::clear_internal() {
 
+	deselect();
 	_clear_undo_stack();
 	cached_width = 0;
 	cursor_pos = 0;
diff --git a/scene/gui/popup_menu.cpp b/scene/gui/popup_menu.cpp
index 28b124d143..94c73b2e42 100644
--- a/scene/gui/popup_menu.cpp
+++ b/scene/gui/popup_menu.cpp
@@ -594,7 +594,7 @@ void PopupMenu::add_item(const String &p_label, int p_ID, uint32_t p_accel) {
 	item.text = p_label;
 	item.xl_text = tr(p_label);
 	item.accel = p_accel;
-	item.ID = p_ID;
+	item.ID = p_ID == -1 ? items.size() : p_ID;
 	items.push_back(item);
 	update();
 	minimum_size_changed();
@@ -632,7 +632,7 @@ void PopupMenu::add_check_item(const String &p_label, int p_ID, uint32_t p_accel
 	item.text = p_label;
 	item.xl_text = tr(p_label);
 	item.accel = p_accel;
-	item.ID = p_ID;
+	item.ID = p_ID == -1 ? items.size() : p_ID;
 	item.checkable_type = Item::CHECKABLE_TYPE_CHECK_BOX;
 	items.push_back(item);
 	update();
diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index 9bcf10d5e7..00d6ac3b94 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -900,21 +900,13 @@ void RichTextLabel::_find_click(ItemFrame *p_frame, const Point2i &p_click, Item
 
 Control::CursorShape RichTextLabel::get_cursor_shape(const Point2 &p_pos) const {
 
-	if (!underline_meta || selection.click)
+	if (selection.click)
 		return CURSOR_ARROW;
 
 	if (main->first_invalid_line < main->lines.size())
 		return CURSOR_ARROW; //invalid
 
-	int line = 0;
-	Item *item = NULL;
-
-	((RichTextLabel *)(this))->_find_click(main, p_pos, &item, &line);
-
-	if (item && ((RichTextLabel *)(this))->_find_meta(item, NULL))
-		return CURSOR_POINTING_HAND;
-
-	return CURSOR_ARROW;
+	return get_default_cursor_shape();
 }
 
 void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
@@ -1144,8 +1136,8 @@ void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
 				emit_signal("meta_hover_started", meta);
 			}
 		} else if (meta_hovering) {
-			emit_signal("meta_hover_ended", current_meta);
 			meta_hovering = NULL;
+			emit_signal("meta_hover_ended", current_meta);
 			current_meta = false;
 		}
 	}
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index 28292309b9..e50a71b0ff 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -368,8 +368,10 @@ void ScrollContainer::update_scrollbars() {
 	Ref<StyleBox> sb = get_stylebox("bg");
 	size -= sb->get_minimum_size();
 
-	Size2 hmin = h_scroll->get_combined_minimum_size();
-	Size2 vmin = v_scroll->get_combined_minimum_size();
+	Size2 hmin;
+	Size2 vmin;
+	if (scroll_h) hmin = h_scroll->get_combined_minimum_size();
+	if (scroll_v) vmin = v_scroll->get_combined_minimum_size();
 
 	Size2 min = child_max_size;
 
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 2bf2364873..9acf8d40c9 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -2517,7 +2517,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_left
+				FALLTHROUGH;
 			}
 			case KEY_LEFT: {
 
@@ -2580,7 +2580,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_right
+				FALLTHROUGH;
 			}
 			case KEY_RIGHT: {
 
@@ -2641,7 +2641,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_up
+				FALLTHROUGH;
 			}
 			case KEY_UP: {
 
@@ -2694,7 +2694,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_down
+				FALLTHROUGH;
 			}
 			case KEY_DOWN: {
 
@@ -2817,11 +2817,10 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_home
+				FALLTHROUGH;
 			}
-#ifdef APPLE_STYLE_KEYS
 			case KEY_HOME: {
-
+#ifdef APPLE_STYLE_KEYS
 				if (k->get_shift())
 					_pre_shift_selection();
 
@@ -2831,11 +2830,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					_post_shift_selection();
 				else if (k->get_command() || k->get_control())
 					deselect();
-
-			} break;
 #else
-			case KEY_HOME: {
-
 				if (k->get_shift())
 					_pre_shift_selection();
 
@@ -2876,19 +2871,17 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					deselect();
 				_cancel_completion();
 				completion_hint = "";
-
-			} break;
 #endif
+			} break;
 			case KEY_KP_1: {
 				if (k->get_unicode() != 0) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_end
+				FALLTHROUGH;
 			}
-#ifdef APPLE_STYLE_KEYS
 			case KEY_END: {
-
+#ifdef APPLE_STYLE_KEYS
 				if (k->get_shift())
 					_pre_shift_selection();
 
@@ -2898,11 +2891,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					_post_shift_selection();
 				else if (k->get_command() || k->get_control())
 					deselect();
-
-			} break;
 #else
-			case KEY_END: {
-
 				if (k->get_shift())
 					_pre_shift_selection();
 
@@ -2929,15 +2918,14 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 
 				_cancel_completion();
 				completion_hint = "";
-
-			} break;
 #endif
+			} break;
 			case KEY_KP_9: {
 				if (k->get_unicode() != 0) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_pageup
+				FALLTHROUGH;
 			}
 			case KEY_PAGEUP: {
 
@@ -2960,7 +2948,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					scancode_handled = false;
 					break;
 				}
-				// numlock disabled. fallthrough to key_pagedown
+				FALLTHROUGH;
 			}
 			case KEY_PAGEDOWN: {
 
@@ -3139,21 +3127,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 
 		if (scancode_handled)
 			accept_event();
-		/*
-	if (!scancode_handled && !k->get_command() && !k->get_alt()) {
-
-	if (k->get_unicode()>=32) {
 
-		if (readonly)
-		break;
-
-		accept_event();
-	} else {
-
-		break;
-	}
-	}
-*/
 		if (k->get_scancode() == KEY_INSERT) {
 			set_insert_mode(!insert_mode);
 			accept_event();
@@ -3196,7 +3170,6 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 					end_complex_operation();
 				}
 				accept_event();
-			} else {
 			}
 		}
 
diff --git a/scene/gui/text_edit.h b/scene/gui/text_edit.h
index 95f1fbbee5..33f0a3f45d 100644
--- a/scene/gui/text_edit.h
+++ b/scene/gui/text_edit.h
@@ -683,6 +683,7 @@ protected:
 	TextEdit *text_editor;
 
 public:
+	virtual ~SyntaxHighlighter() {}
 	virtual void _update_cache() = 0;
 	virtual Map<int, TextEdit::HighlighterInfo> _get_line_syntax_highlighting(int p_line) = 0;
 
diff --git a/scene/gui/texture_button.cpp b/scene/gui/texture_button.cpp
index 19bef9fdf5..795b25cce0 100644
--- a/scene/gui/texture_button.cpp
+++ b/scene/gui/texture_button.cpp
@@ -223,8 +223,7 @@ void TextureButton::_notification(int p_what) {
 			}
 			if (has_focus() && focused.is_valid()) {
 
-				Rect2 drect(Point2(), get_size());
-				draw_texture_rect(focused, drect, false);
+				draw_texture_rect(focused, _position_rect, false);
 			};
 		} break;
 	}
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index 236c4dbe63..679b752fa3 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -29,7 +29,6 @@
 /*************************************************************************/
 
 #include "tree.h"
-#include <limits.h>
 
 #include "core/math/math_funcs.h"
 #include "core/os/input.h"
@@ -43,6 +42,8 @@
 #include "editor/editor_node.h"
 #endif
 
+#include <limits.h>
+
 void TreeItem::move_to_top() {
 
 	if (!parent || parent->children == this)
@@ -940,6 +941,7 @@ int Tree::compute_item_height(TreeItem *p_item) const {
 				int check_icon_h = cache.checked->get_height();
 				if (height < check_icon_h)
 					height = check_icon_h;
+				FALLTHROUGH;
 			}
 			case TreeItem::CELL_MODE_STRING:
 			case TreeItem::CELL_MODE_CUSTOM:
@@ -1416,12 +1418,15 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 
 		TreeItem *c = p_item->children;
 
+		int prev_ofs = children_pos.y - cache.offset.y + p_draw_ofs.y;
+
 		while (c) {
 
 			if (cache.draw_relationship_lines > 0 && (!hide_root || c->parent != root)) {
 				int root_ofs = children_pos.x + ((p_item->disable_folding || hide_folding) ? cache.hseparation : cache.item_margin);
 				int parent_ofs = p_pos.x + ((p_item->disable_folding || hide_folding) ? cache.hseparation : cache.item_margin);
 				Point2i root_pos = Point2i(root_ofs, children_pos.y + label_h / 2) - cache.offset + p_draw_ofs;
+
 				if (c->get_children() != NULL)
 					root_pos -= Point2i(cache.arrow->get_width(), 0);
 
@@ -1434,12 +1439,13 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
 
 				if (root_pos.y + line_width >= 0) {
 					VisualServer::get_singleton()->canvas_item_add_line(ci, root_pos, Point2i(parent_pos.x - Math::floor(line_width / 2), root_pos.y), cache.relationship_line_color, line_width);
-					VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), parent_pos, cache.relationship_line_color, line_width);
+					VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), Point2i(parent_pos.x, prev_ofs), cache.relationship_line_color, line_width);
 				}
 
 				if (htotal < 0) {
 					return -1;
 				}
+				prev_ofs = root_pos.y;
 			}
 
 			if (htotal >= 0) {
diff --git a/scene/main/canvas_layer.cpp b/scene/main/canvas_layer.cpp
index 2b1991ebb0..8cab1b1280 100644
--- a/scene/main/canvas_layer.cpp
+++ b/scene/main/canvas_layer.cpp
@@ -153,6 +153,7 @@ void CanvasLayer::_notification(int p_what) {
 			VisualServer::get_singleton()->viewport_attach_canvas(viewport, canvas);
 			VisualServer::get_singleton()->viewport_set_canvas_stacking(viewport, canvas, layer, get_position_in_parent());
 			VisualServer::get_singleton()->viewport_set_canvas_transform(viewport, canvas, transform);
+			_update_follow_viewport();
 
 		} break;
 		case NOTIFICATION_EXIT_TREE: {
@@ -160,6 +161,7 @@ void CanvasLayer::_notification(int p_what) {
 			vp->_canvas_layer_remove(this);
 			VisualServer::get_singleton()->viewport_remove_canvas(viewport, canvas);
 			viewport = RID();
+			_update_follow_viewport(false);
 
 		} break;
 		case NOTIFICATION_MOVED_IN_PARENT: {
@@ -235,6 +237,41 @@ RID CanvasLayer::get_canvas() const {
 
 	return canvas;
 }
+
+void CanvasLayer::set_follow_viewport(bool p_enable) {
+	if (follow_viewport == p_enable) {
+		return;
+	}
+
+	follow_viewport = p_enable;
+	_update_follow_viewport();
+}
+
+bool CanvasLayer::is_following_viewport() const {
+	return follow_viewport;
+}
+
+void CanvasLayer::set_follow_viewport_scale(float p_ratio) {
+	follow_viewport_scale = p_ratio;
+	_update_follow_viewport();
+}
+
+float CanvasLayer::get_follow_viewport_scale() const {
+	return follow_viewport_scale;
+}
+
+void CanvasLayer::_update_follow_viewport(bool p_force_exit) {
+
+	if (!is_inside_tree()) {
+		return;
+	}
+	if (p_force_exit || !follow_viewport) {
+		VS::get_singleton()->canvas_set_parent(canvas, RID(), 1.0);
+	} else {
+		VS::get_singleton()->canvas_set_parent(canvas, vp->get_world_2d()->get_canvas(), follow_viewport_scale);
+	}
+}
+
 void CanvasLayer::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_layer", "layer"), &CanvasLayer::set_layer);
@@ -255,18 +292,30 @@ void CanvasLayer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_scale", "scale"), &CanvasLayer::set_scale);
 	ClassDB::bind_method(D_METHOD("get_scale"), &CanvasLayer::get_scale);
 
+	ClassDB::bind_method(D_METHOD("set_follow_viewport", "enable"), &CanvasLayer::set_follow_viewport);
+	ClassDB::bind_method(D_METHOD("is_following_viewport"), &CanvasLayer::is_following_viewport);
+
+	ClassDB::bind_method(D_METHOD("set_follow_viewport_scale", "scale"), &CanvasLayer::set_follow_viewport_scale);
+	ClassDB::bind_method(D_METHOD("get_follow_viewport_scale"), &CanvasLayer::get_follow_viewport_scale);
+
 	ClassDB::bind_method(D_METHOD("set_custom_viewport", "viewport"), &CanvasLayer::set_custom_viewport);
 	ClassDB::bind_method(D_METHOD("get_custom_viewport"), &CanvasLayer::get_custom_viewport);
 
 	ClassDB::bind_method(D_METHOD("get_canvas"), &CanvasLayer::get_canvas);
 
+	ADD_GROUP("Layer", "");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "layer", PROPERTY_HINT_RANGE, "-128,128,1"), "set_layer", "get_layer");
+	ADD_GROUP("Transform", "");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation_degrees", PROPERTY_HINT_RANGE, "-1080,1080,0.1,or_lesser,or_greater", PROPERTY_USAGE_EDITOR), "set_rotation_degrees", "get_rotation_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_rotation", "get_rotation");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale"), "set_scale", "get_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "transform"), "set_transform", "get_transform");
+	ADD_GROUP("", "");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "custom_viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport", 0), "set_custom_viewport", "get_custom_viewport");
+	ADD_GROUP("Follow Viewport", "follow_viewport");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_viewport_enable"), "set_follow_viewport", "is_following_viewport");
+	ADD_PROPERTY(PropertyInfo(Variant::REAL, "follow_viewport_scale", PROPERTY_HINT_RANGE, "0.001,1000,0.001,or_greater,or_lesser"), "set_follow_viewport_scale", "get_follow_viewport_scale");
 }
 
 CanvasLayer::CanvasLayer() {
@@ -280,6 +329,8 @@ CanvasLayer::CanvasLayer() {
 	custom_viewport = NULL;
 	custom_viewport_id = 0;
 	sort_index = 0;
+	follow_viewport = false;
+	follow_viewport_scale = 1.0;
 }
 
 CanvasLayer::~CanvasLayer() {
diff --git a/scene/main/canvas_layer.h b/scene/main/canvas_layer.h
index 5d67245102..fa2558556c 100644
--- a/scene/main/canvas_layer.h
+++ b/scene/main/canvas_layer.h
@@ -55,8 +55,12 @@ class CanvasLayer : public Node {
 
 	int sort_index;
 
+	bool follow_viewport;
+	float follow_viewport_scale;
+
 	void _update_xform();
 	void _update_locrotscale();
+	void _update_follow_viewport(bool p_force_exit = false);
 
 protected:
 	void _notification(int p_what);
@@ -91,6 +95,12 @@ public:
 	void reset_sort_index();
 	int get_sort_index();
 
+	void set_follow_viewport(bool p_enable);
+	bool is_following_viewport() const;
+
+	void set_follow_viewport_scale(float p_ratio);
+	float get_follow_viewport_scale() const;
+
 	RID get_canvas() const;
 
 	CanvasLayer();
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index 04d7107fa4..128168ca72 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -1313,6 +1313,10 @@ Node *Node::_get_child_by_name(const StringName &p_name) const {
 
 Node *Node::get_node_or_null(const NodePath &p_path) const {
 
+	if (p_path.is_empty()) {
+		return NULL;
+	}
+
 	if (!data.inside_tree && p_path.is_absolute()) {
 		ERR_EXPLAIN("Can't use get_node() with absolute paths from outside the active scene tree.");
 		ERR_FAIL_V(NULL);
@@ -2830,10 +2834,22 @@ void Node::_bind_methods() {
 	BIND_CONSTANT(NOTIFICATION_DRAG_BEGIN);
 	BIND_CONSTANT(NOTIFICATION_DRAG_END);
 	BIND_CONSTANT(NOTIFICATION_PATH_CHANGED);
-	BIND_CONSTANT(NOTIFICATION_TRANSLATION_CHANGED);
 	BIND_CONSTANT(NOTIFICATION_INTERNAL_PROCESS);
 	BIND_CONSTANT(NOTIFICATION_INTERNAL_PHYSICS_PROCESS);
 
+	BIND_CONSTANT(NOTIFICATION_WM_MOUSE_ENTER);
+	BIND_CONSTANT(NOTIFICATION_WM_MOUSE_EXIT);
+	BIND_CONSTANT(NOTIFICATION_WM_FOCUS_IN);
+	BIND_CONSTANT(NOTIFICATION_WM_FOCUS_OUT);
+	BIND_CONSTANT(NOTIFICATION_WM_QUIT_REQUEST);
+	BIND_CONSTANT(NOTIFICATION_WM_GO_BACK_REQUEST);
+	BIND_CONSTANT(NOTIFICATION_WM_UNFOCUS_REQUEST);
+	BIND_CONSTANT(NOTIFICATION_OS_MEMORY_WARNING);
+	BIND_CONSTANT(NOTIFICATION_TRANSLATION_CHANGED);
+	BIND_CONSTANT(NOTIFICATION_WM_ABOUT);
+	BIND_CONSTANT(NOTIFICATION_CRASH);
+	BIND_CONSTANT(NOTIFICATION_OS_IME_UPDATE);
+
 	BIND_ENUM_CONSTANT(PAUSE_MODE_INHERIT);
 	BIND_ENUM_CONSTANT(PAUSE_MODE_STOP);
 	BIND_ENUM_CONSTANT(PAUSE_MODE_PROCESS);
diff --git a/scene/main/node.h b/scene/main/node.h
index e6189389cb..b490db37c5 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -216,6 +216,7 @@ protected:
 
 public:
 	enum {
+
 		// you can make your own, but don't use the same numbers as other notifications in other nodes
 		NOTIFICATION_ENTER_TREE = 10,
 		NOTIFICATION_EXIT_TREE = 11,
@@ -231,10 +232,23 @@ public:
 		NOTIFICATION_DRAG_BEGIN = 21,
 		NOTIFICATION_DRAG_END = 22,
 		NOTIFICATION_PATH_CHANGED = 23,
-		NOTIFICATION_TRANSLATION_CHANGED = 24,
+		//NOTIFICATION_TRANSLATION_CHANGED = 24, moved below
 		NOTIFICATION_INTERNAL_PROCESS = 25,
 		NOTIFICATION_INTERNAL_PHYSICS_PROCESS = 26,
 		NOTIFICATION_POST_ENTER_TREE = 27,
+		//keep these linked to node
+		NOTIFICATION_WM_MOUSE_ENTER = MainLoop::NOTIFICATION_WM_MOUSE_ENTER,
+		NOTIFICATION_WM_MOUSE_EXIT = MainLoop::NOTIFICATION_WM_MOUSE_EXIT,
+		NOTIFICATION_WM_FOCUS_IN = MainLoop::NOTIFICATION_WM_FOCUS_IN,
+		NOTIFICATION_WM_FOCUS_OUT = MainLoop::NOTIFICATION_WM_FOCUS_OUT,
+		NOTIFICATION_WM_QUIT_REQUEST = MainLoop::NOTIFICATION_WM_QUIT_REQUEST,
+		NOTIFICATION_WM_GO_BACK_REQUEST = MainLoop::NOTIFICATION_WM_GO_BACK_REQUEST,
+		NOTIFICATION_WM_UNFOCUS_REQUEST = MainLoop::NOTIFICATION_WM_UNFOCUS_REQUEST,
+		NOTIFICATION_OS_MEMORY_WARNING = MainLoop::NOTIFICATION_OS_MEMORY_WARNING,
+		NOTIFICATION_TRANSLATION_CHANGED = MainLoop::NOTIFICATION_TRANSLATION_CHANGED,
+		NOTIFICATION_WM_ABOUT = MainLoop::NOTIFICATION_WM_ABOUT,
+		NOTIFICATION_CRASH = MainLoop::NOTIFICATION_CRASH,
+		NOTIFICATION_OS_IME_UPDATE = MainLoop::NOTIFICATION_OS_IME_UPDATE
 
 	};
 
diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 689f18a09d..81c38cec89 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -658,13 +658,15 @@ void SceneTree::_notification(int p_notification) {
 		} break;
 		case NOTIFICATION_TRANSLATION_CHANGED: {
 			if (!Engine::get_singleton()->is_editor_hint()) {
-				get_root()->propagate_notification(Node::NOTIFICATION_TRANSLATION_CHANGED);
+				get_root()->propagate_notification(p_notification);
 			}
 		} break;
 		case NOTIFICATION_WM_UNFOCUS_REQUEST: {
 
 			notify_group_flags(GROUP_CALL_REALTIME | GROUP_CALL_MULTILEVEL, "input", NOTIFICATION_WM_UNFOCUS_REQUEST);
 
+			get_root()->propagate_notification(p_notification);
+
 		} break;
 
 		case NOTIFICATION_WM_ABOUT: {
diff --git a/scene/main/scene_tree.h b/scene/main/scene_tree.h
index e15a64604d..e098b3d53c 100644
--- a/scene/main/scene_tree.h
+++ b/scene/main/scene_tree.h
@@ -287,7 +287,7 @@ protected:
 
 public:
 	enum {
-		NOTIFICATION_TRANSFORM_CHANGED = 29
+		NOTIFICATION_TRANSFORM_CHANGED = 2000
 	};
 
 	enum GroupCallFlags {
diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index d86c241ec6..2524af9cfb 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -232,16 +232,16 @@ void Viewport::update_worlds() {
 	find_world()->_update(get_tree()->get_frame());
 }
 
-void Viewport::_collision_object_input_event(CollisionObject *p_object, Camera *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape, bool p_discard_empty_motion) {
+void Viewport::_collision_object_input_event(CollisionObject *p_object, Camera *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape) {
 
 	Transform object_transform = p_object->get_global_transform();
 	Transform camera_transform = p_camera->get_global_transform();
 	ObjectID id = p_object->get_instance_id();
 
-	if (p_discard_empty_motion) {
-		//avoid sending the event unnecessarily if nothing really changed in the context
+	//avoid sending the fake event unnecessarily if nothing really changed in the context
+	if (object_transform == physics_last_object_transform && camera_transform == physics_last_camera_transform && physics_last_id == id) {
 		Ref<InputEventMouseMotion> mm = p_input_event;
-		if (mm.is_valid() && object_transform == physics_last_object_transform && camera_transform == physics_last_camera_transform && physics_last_id == id) {
+		if (mm.is_valid() && mm->get_device() == InputEvent::DEVICE_ID_INTERNAL) {
 			return; //discarded
 		}
 	}
@@ -251,31 +251,6 @@ void Viewport::_collision_object_input_event(CollisionObject *p_object, Camera *
 	physics_last_id = id;
 }
 
-void Viewport::_test_new_mouseover(ObjectID new_collider) {
-#ifndef _3D_DISABLED
-	if (new_collider != physics_object_over) {
-
-		if (physics_object_over) {
-
-			CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(physics_object_over));
-			if (co) {
-				co->_mouse_exit();
-			}
-		}
-
-		if (new_collider) {
-
-			CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(new_collider));
-			if (co) {
-				co->_mouse_enter();
-			}
-		}
-
-		physics_object_over = new_collider;
-	}
-#endif
-}
-
 void Viewport::_notification(int p_what) {
 
 	switch (p_what) {
@@ -422,22 +397,22 @@ void Viewport::_notification(int p_what) {
 				PhysicsDirectSpaceState::RayResult result;
 				Physics2DDirectSpaceState *ss2d = Physics2DServer::get_singleton()->space_get_direct_state(find_world_2d()->get_space());
 
-				bool discard_empty_motion = false;
-
-				{ // if no motion event exists, create a new one. This is necessary because objects or camera may have moved.
+				if (physics_has_last_mousepos) {
+					// if no mouse event exists, create a motion one. This is necessary because objects or camera may have moved.
 					// while this extra event is sent, it is checked if both camera and last object and last ID did not move. If nothing changed, the event is discarded to avoid flooding with unnecessary motion events every frame
-					bool has_mouse_motion = false;
+					bool has_mouse_event = false;
 					for (List<Ref<InputEvent> >::Element *E = physics_picking_events.front(); E; E = E->next()) {
-						Ref<InputEventMouseMotion> mm = E->get();
-						if (mm.is_valid()) {
-							has_mouse_motion = true;
+						Ref<InputEventMouse> m = E->get();
+						if (m.is_valid()) {
+							has_mouse_event = true;
 							break;
 						}
 					}
 
-					if (!has_mouse_motion && physics_has_last_mousepos) {
+					if (!has_mouse_event) {
 						Ref<InputEventMouseMotion> mm;
 						mm.instance();
+						mm->set_device(InputEvent::DEVICE_ID_INTERNAL);
 						mm->set_global_position(physics_last_mousepos);
 						mm->set_position(physics_last_mousepos);
 						mm->set_alt(physics_last_mouse_state.alt);
@@ -446,25 +421,24 @@ void Viewport::_notification(int p_what) {
 						mm->set_metakey(physics_last_mouse_state.meta);
 						mm->set_button_mask(physics_last_mouse_state.mouse_mask);
 						physics_picking_events.push_back(mm);
-						discard_empty_motion = true;
 					}
 				}
 
-				bool motion_tested = false;
-
 				while (physics_picking_events.size()) {
 
 					Ref<InputEvent> ev = physics_picking_events.front()->get();
 					physics_picking_events.pop_front();
 
 					Vector2 pos;
+					bool is_mouse = false;
 
 					Ref<InputEventMouseMotion> mm = ev;
 
 					if (mm.is_valid()) {
 
 						pos = mm->get_position();
-						motion_tested = true;
+						is_mouse = true;
+
 						physics_has_last_mousepos = true;
 						physics_last_mousepos = pos;
 						physics_last_mouse_state.alt = mm->get_alt();
@@ -477,7 +451,12 @@ void Viewport::_notification(int p_what) {
 					Ref<InputEventMouseButton> mb = ev;
 
 					if (mb.is_valid()) {
+
 						pos = mb->get_position();
+						is_mouse = true;
+
+						physics_has_last_mousepos = true;
+						physics_last_mousepos = pos;
 						physics_last_mouse_state.alt = mb->get_alt();
 						physics_last_mouse_state.shift = mb->get_shift();
 						physics_last_mouse_state.control = mb->get_control();
@@ -487,6 +466,11 @@ void Viewport::_notification(int p_what) {
 							physics_last_mouse_state.mouse_mask |= (1 << (mb->get_button_index() - 1));
 						} else {
 							physics_last_mouse_state.mouse_mask &= ~(1 << (mb->get_button_index() - 1));
+
+							// If touch mouse raised, assume we don't know last mouse pos until new events come
+							if (mb->get_device() == InputEvent::DEVICE_ID_TOUCH_MOUSE) {
+								physics_has_last_mousepos = false;
+							}
 						}
 					}
 
@@ -539,40 +523,51 @@ void Viewport::_notification(int p_what) {
 								if (res[i].collider_id && res[i].collider) {
 									CollisionObject2D *co = Object::cast_to<CollisionObject2D>(res[i].collider);
 									if (co) {
-
-										Map<ObjectID, uint64_t>::Element *F = physics_2d_mouseover.find(res[i].collider_id);
-										if (!F) {
-											F = physics_2d_mouseover.insert(res[i].collider_id, frame);
-											co->_mouse_enter();
-										} else {
-											F->get() = frame;
+										bool send_event = true;
+										if (is_mouse) {
+											Map<ObjectID, uint64_t>::Element *F = physics_2d_mouseover.find(res[i].collider_id);
+
+											if (!F) {
+												F = physics_2d_mouseover.insert(res[i].collider_id, frame);
+												co->_mouse_enter();
+											} else {
+												F->get() = frame;
+												// It was already hovered, so don't send the event if it's faked
+												if (mm.is_valid() && mm->get_device() == InputEvent::DEVICE_ID_INTERNAL) {
+													send_event = false;
+												}
+											}
 										}
 
-										co->_input_event(this, ev, res[i].shape);
+										if (send_event) {
+											co->_input_event(this, ev, res[i].shape);
+										}
 									}
 								}
 							}
 						}
 
-						List<Map<ObjectID, uint64_t>::Element *> to_erase;
+						if (is_mouse) {
+							List<Map<ObjectID, uint64_t>::Element *> to_erase;
 
-						for (Map<ObjectID, uint64_t>::Element *E = physics_2d_mouseover.front(); E; E = E->next()) {
-							if (E->get() != frame) {
-								Object *o = ObjectDB::get_instance(E->key());
-								if (o) {
+							for (Map<ObjectID, uint64_t>::Element *E = physics_2d_mouseover.front(); E; E = E->next()) {
+								if (E->get() != frame) {
+									Object *o = ObjectDB::get_instance(E->key());
+									if (o) {
 
-									CollisionObject2D *co = Object::cast_to<CollisionObject2D>(o);
-									if (co) {
-										co->_mouse_exit();
+										CollisionObject2D *co = Object::cast_to<CollisionObject2D>(o);
+										if (co) {
+											co->_mouse_exit();
+										}
 									}
+									to_erase.push_back(E);
 								}
-								to_erase.push_back(E);
 							}
-						}
 
-						while (to_erase.size()) {
-							physics_2d_mouseover.erase(to_erase.front()->get());
-							to_erase.pop_front();
+							while (to_erase.size()) {
+								physics_2d_mouseover.erase(to_erase.front()->get());
+								to_erase.pop_front();
+							}
 						}
 					}
 
@@ -583,7 +578,7 @@ void Viewport::_notification(int p_what) {
 
 						CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(physics_object_capture));
 						if (co) {
-							_collision_object_input_event(co, camera, ev, Vector3(), Vector3(), 0, discard_empty_motion);
+							_collision_object_input_event(co, camera, ev, Vector3(), Vector3(), 0);
 							captured = true;
 							if (mb.is_valid() && mb->get_button_index() == 1 && !mb->is_pressed()) {
 								physics_object_capture = 0;
@@ -601,7 +596,7 @@ void Viewport::_notification(int p_what) {
 						if (last_id) {
 							if (ObjectDB::get_instance(last_id) && last_object) {
 								//good, exists
-								_collision_object_input_event(last_object, camera, ev, result.position, result.normal, result.shape, discard_empty_motion);
+								_collision_object_input_event(last_object, camera, ev, result.position, result.normal, result.shape);
 								if (last_object->get_capture_input_on_drag() && mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed()) {
 									physics_object_capture = last_id;
 								}
@@ -624,7 +619,7 @@ void Viewport::_notification(int p_what) {
 									CollisionObject *co = Object::cast_to<CollisionObject>(result.collider);
 									if (co) {
 
-										_collision_object_input_event(co, camera, ev, result.position, result.normal, result.shape, discard_empty_motion);
+										_collision_object_input_event(co, camera, ev, result.position, result.normal, result.shape);
 										last_object = co;
 										last_id = result.collider_id;
 										new_collider = last_id;
@@ -634,42 +629,41 @@ void Viewport::_notification(int p_what) {
 									}
 								}
 
-								if (mm.is_valid()) {
-									_test_new_mouseover(new_collider);
-								}
-							}
+								if (is_mouse && new_collider != physics_object_over) {
 
-							last_pos = pos;
-						}
-					}
-				}
+									if (physics_object_over) {
 
-				if (!motion_tested && camera && physics_has_last_mousepos) {
+										CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(physics_object_over));
+										if (co) {
+											co->_mouse_exit();
+										}
+									}
 
-					//test anyway for mouseenter/exit because objects might move
-					Vector3 from = camera->project_ray_origin(physics_last_mousepos);
-					Vector3 dir = camera->project_ray_normal(physics_last_mousepos);
+									if (new_collider) {
 
-					PhysicsDirectSpaceState *space = PhysicsServer::get_singleton()->space_get_direct_state(find_world()->get_space());
-					if (space) {
+										CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(new_collider));
+										if (co) {
+											co->_mouse_enter();
+										}
+									}
 
-						bool col = space->intersect_ray(from, from + dir * 10000, result, Set<RID>(), 0xFFFFFFFF, true, true, true);
-						ObjectID new_collider = 0;
-						if (col) {
-							CollisionObject *co = Object::cast_to<CollisionObject>(result.collider);
-							if (co) {
-								new_collider = result.collider_id;
+									physics_object_over = new_collider;
+								}
 							}
-						}
 
-						_test_new_mouseover(new_collider);
+							last_pos = pos;
+						}
 					}
 #endif
 				}
 			}
 
 		} break;
+		case SceneTree::NOTIFICATION_WM_MOUSE_EXIT:
 		case SceneTree::NOTIFICATION_WM_FOCUS_OUT: {
+
+			_drop_physics_mouseover();
+
 			if (gui.mouse_focus) {
 				//if mouse is being pressed, send a release event
 				_drop_mouse_focus();
@@ -1486,7 +1480,8 @@ void Viewport::_gui_show_tooltip() {
 	gui.tooltip_popup->set_as_toplevel(true);
 	//gui.tooltip_popup->hide();
 
-	Rect2 r(gui.tooltip_pos + Point2(10, 10), gui.tooltip_popup->get_minimum_size());
+	Point2 tooltip_offset = ProjectSettings::get_singleton()->get("display/mouse_cursor/tooltip_position_offset");
+	Rect2 r(gui.tooltip_pos + tooltip_offset, gui.tooltip_popup->get_minimum_size());
 	Rect2 vr = gui.tooltip_popup->get_viewport_rect();
 	if (r.size.x + r.position.x > vr.size.x)
 		r.position.x = vr.size.x - r.size.x;
@@ -2305,32 +2300,32 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
 		if (from && p_event->is_pressed()) {
 			Control *next = NULL;
 
-			if (p_event->is_action("ui_focus_next")) {
+			if (p_event->is_action_pressed("ui_focus_next")) {
 
 				next = from->find_next_valid_focus();
 			}
 
-			if (p_event->is_action("ui_focus_prev")) {
+			if (p_event->is_action_pressed("ui_focus_prev")) {
 
 				next = from->find_prev_valid_focus();
 			}
 
-			if (!mods && p_event->is_action("ui_up")) {
+			if (!mods && p_event->is_action_pressed("ui_up")) {
 
 				next = from->_get_focus_neighbour(MARGIN_TOP);
 			}
 
-			if (!mods && p_event->is_action("ui_left")) {
+			if (!mods && p_event->is_action_pressed("ui_left")) {
 
 				next = from->_get_focus_neighbour(MARGIN_LEFT);
 			}
 
-			if (!mods && p_event->is_action("ui_right")) {
+			if (!mods && p_event->is_action_pressed("ui_right")) {
 
 				next = from->_get_focus_neighbour(MARGIN_RIGHT);
 			}
 
-			if (!mods && p_event->is_action("ui_down")) {
+			if (!mods && p_event->is_action_pressed("ui_down")) {
 
 				next = from->_get_focus_neighbour(MARGIN_BOTTOM);
 			}
@@ -2570,6 +2565,31 @@ void Viewport::_drop_mouse_focus() {
 	}
 }
 
+void Viewport::_drop_physics_mouseover() {
+
+	physics_has_last_mousepos = false;
+
+	while (physics_2d_mouseover.size()) {
+		Object *o = ObjectDB::get_instance(physics_2d_mouseover.front()->key());
+		if (o) {
+			CollisionObject2D *co = Object::cast_to<CollisionObject2D>(o);
+			co->_mouse_exit();
+		}
+		physics_2d_mouseover.erase(physics_2d_mouseover.front());
+	}
+
+#ifndef _3D_DISABLED
+	if (physics_object_over) {
+		CollisionObject *co = Object::cast_to<CollisionObject>(ObjectDB::get_instance(physics_object_over));
+		if (co) {
+			co->_mouse_exit();
+		}
+	}
+
+	physics_object_over = physics_object_capture = 0;
+#endif
+}
+
 List<Control *>::Element *Viewport::_gui_show_modal(Control *p_control) {
 
 	gui.modal_stack.push_back(p_control);
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index b8b5bf07a7..d67b4ac348 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -221,12 +221,11 @@ private:
 
 	} physics_last_mouse_state;
 
-	void _collision_object_input_event(CollisionObject *p_object, Camera *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape, bool p_discard_empty_motion);
+	void _collision_object_input_event(CollisionObject *p_object, Camera *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape);
 
 	bool handle_input_locally;
 	bool local_input_handled;
 
-	void _test_new_mouseover(ObjectID new_collider);
 	Map<ObjectID, uint64_t> physics_2d_mouseover;
 
 	Ref<World2D> world_2d;
@@ -384,6 +383,7 @@ private:
 	void _canvas_layer_remove(CanvasLayer *p_canvas_layer);
 
 	void _drop_mouse_focus();
+	void _drop_physics_mouseover();
 
 	void _update_canvas_items(Node *p_node);
 
diff --git a/scene/resources/animation.cpp b/scene/resources/animation.cpp
index 3eb16c544c..f73914b186 100644
--- a/scene/resources/animation.cpp
+++ b/scene/resources/animation.cpp
@@ -2638,6 +2638,7 @@ void Animation::copy_track(int p_track, Ref<Animation> p_to_animation) {
 	p_to_animation->track_set_enabled(dst_track, track_is_enabled(p_track));
 	p_to_animation->track_set_interpolation_type(dst_track, track_get_interpolation_type(p_track));
 	p_to_animation->track_set_interpolation_loop_wrap(dst_track, track_get_interpolation_loop_wrap(p_track));
+	p_to_animation->value_track_set_update_mode(dst_track, value_track_get_update_mode(p_track));
 	for (int i = 0; i < track_get_key_count(p_track); i++) {
 		p_to_animation->track_insert_key(dst_track, track_get_key_time(p_track, i), track_get_key_value(p_track, i), track_get_key_transition(p_track, i));
 	}
diff --git a/scene/resources/audio_stream_sample.cpp b/scene/resources/audio_stream_sample.cpp
index a89cf108bc..4b3e392013 100644
--- a/scene/resources/audio_stream_sample.cpp
+++ b/scene/resources/audio_stream_sample.cpp
@@ -515,10 +515,10 @@ PoolVector<uint8_t> AudioStreamSample::get_data() const {
 	return pv;
 }
 
-void AudioStreamSample::save_to_wav(String p_path) {
+Error AudioStreamSample::save_to_wav(const String &p_path) {
 	if (format == AudioStreamSample::FORMAT_IMA_ADPCM) {
 		WARN_PRINTS("Saving IMA_ADPC samples are not supported yet");
-		return;
+		return ERR_UNAVAILABLE;
 	}
 
 	int sub_chunk_2_size = data_bytes; //Subchunk2Size = Size of data in bytes
@@ -544,8 +544,9 @@ void AudioStreamSample::save_to_wav(String p_path) {
 		file_path += ".wav";
 	}
 
-	Error err;
-	FileAccess *file = FileAccess::open(file_path, FileAccess::WRITE, &err); //Overrides existing file if present
+	FileAccessRef file = FileAccess::open(file_path, FileAccess::WRITE); //Overrides existing file if present
+
+	ERR_FAIL_COND_V(!file, ERR_FILE_CANT_WRITE);
 
 	// Create WAV Header
 	file->store_string("RIFF"); //ChunkID
@@ -583,6 +584,8 @@ void AudioStreamSample::save_to_wav(String p_path) {
 	}
 
 	file->close();
+
+	return OK;
 }
 
 Ref<AudioStreamPlayback> AudioStreamSample::instance_playback() {
diff --git a/scene/resources/audio_stream_sample.h b/scene/resources/audio_stream_sample.h
index bd701ddd12..d4c5511f34 100644
--- a/scene/resources/audio_stream_sample.h
+++ b/scene/resources/audio_stream_sample.h
@@ -141,7 +141,7 @@ public:
 	void set_data(const PoolVector<uint8_t> &p_data);
 	PoolVector<uint8_t> get_data() const;
 
-	void save_to_wav(String p_path);
+	Error save_to_wav(const String &p_path);
 
 	virtual Ref<AudioStreamPlayback> instance_playback();
 	virtual String get_stream_name() const;
diff --git a/scene/resources/bit_map.cpp b/scene/resources/bit_map.cpp
index d2e4d28b44..55264bcdf9 100644
--- a/scene/resources/bit_map.cpp
+++ b/scene/resources/bit_map.cpp
@@ -96,7 +96,7 @@ int BitMap::get_true_bit_count() const {
 	const uint8_t *d = bitmask.ptr();
 	int c = 0;
 
-	//fast, almot branchless version
+	//fast, almost branchless version
 
 	for (int i = 0; i < ds; i++) {
 
@@ -106,6 +106,7 @@ int BitMap::get_true_bit_count() const {
 		c += (d[i] & (1 << 4)) >> 4;
 		c += (d[i] & (1 << 3)) >> 3;
 		c += (d[i] & (1 << 2)) >> 2;
+		c += (d[i] & (1 << 1)) >> 1;
 		c += d[i] & 1;
 	}
 
diff --git a/scene/resources/mesh_library.cpp b/scene/resources/mesh_library.cpp
index c5125d576d..d40a5dee2e 100644
--- a/scene/resources/mesh_library.cpp
+++ b/scene/resources/mesh_library.cpp
@@ -56,6 +56,8 @@ bool MeshLibrary::_set(const StringName &p_name, const Variant &p_value) {
 			set_item_preview(idx, p_value);
 		else if (what == "navmesh")
 			set_item_navmesh(idx, p_value);
+		else if (what == "navmesh_transform")
+			set_item_navmesh_transform(idx, p_value);
 		else
 			return false;
 
@@ -80,6 +82,8 @@ bool MeshLibrary::_get(const StringName &p_name, Variant &r_ret) const {
 		r_ret = _get_item_shapes(idx);
 	else if (what == "navmesh")
 		r_ret = get_item_navmesh(idx);
+	else if (what == "navmesh_transform")
+		r_ret = get_item_navmesh_transform(idx);
 	else if (what == "preview")
 		r_ret = get_item_preview(idx);
 	else
@@ -95,8 +99,10 @@ void MeshLibrary::_get_property_list(List<PropertyInfo> *p_list) const {
 		String name = "item/" + itos(E->key()) + "/";
 		p_list->push_back(PropertyInfo(Variant::STRING, name + "name"));
 		p_list->push_back(PropertyInfo(Variant::OBJECT, name + "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh"));
+		p_list->push_back(PropertyInfo(Variant::TRANSFORM, name + "mesh_transform"));
 		p_list->push_back(PropertyInfo(Variant::ARRAY, name + "shapes"));
 		p_list->push_back(PropertyInfo(Variant::OBJECT, name + "navmesh", PROPERTY_HINT_RESOURCE_TYPE, "NavigationMesh"));
+		p_list->push_back(PropertyInfo(Variant::TRANSFORM, name + "navmesh_transform"));
 		p_list->push_back(PropertyInfo(Variant::OBJECT, name + "preview", PROPERTY_HINT_RESOURCE_TYPE, "Texture", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_EDITOR_HELPER));
 	}
 }
@@ -116,6 +122,7 @@ void MeshLibrary::set_item_name(int p_item, const String &p_name) {
 	emit_changed();
 	_change_notify();
 }
+
 void MeshLibrary::set_item_mesh(int p_item, const Ref<Mesh> &p_mesh) {
 
 	ERR_FAIL_COND(!item_map.has(p_item));
@@ -145,6 +152,15 @@ void MeshLibrary::set_item_navmesh(int p_item, const Ref<NavigationMesh> &p_navm
 	_change_notify();
 }
 
+void MeshLibrary::set_item_navmesh_transform(int p_item, const Transform &p_transform) {
+
+	ERR_FAIL_COND(!item_map.has(p_item));
+	item_map[p_item].navmesh_transform = p_transform;
+	notify_change_to_owners();
+	emit_changed();
+	_change_notify();
+}
+
 void MeshLibrary::set_item_preview(int p_item, const Ref<Texture> &p_preview) {
 
 	ERR_FAIL_COND(!item_map.has(p_item));
@@ -152,11 +168,13 @@ void MeshLibrary::set_item_preview(int p_item, const Ref<Texture> &p_preview) {
 	emit_changed();
 	_change_notify();
 }
+
 String MeshLibrary::get_item_name(int p_item) const {
 
 	ERR_FAIL_COND_V(!item_map.has(p_item), "");
 	return item_map[p_item].name;
 }
+
 Ref<Mesh> MeshLibrary::get_item_mesh(int p_item) const {
 
 	ERR_FAIL_COND_V(!item_map.has(p_item), Ref<Mesh>());
@@ -175,6 +193,12 @@ Ref<NavigationMesh> MeshLibrary::get_item_navmesh(int p_item) const {
 	return item_map[p_item].navmesh;
 }
 
+Transform MeshLibrary::get_item_navmesh_transform(int p_item) const {
+
+	ERR_FAIL_COND_V(!item_map.has(p_item), Transform());
+	return item_map[p_item].navmesh_transform;
+}
+
 Ref<Texture> MeshLibrary::get_item_preview(int p_item) const {
 
 	ERR_FAIL_COND_V(!item_map.has(p_item), Ref<Texture>());
@@ -268,11 +292,13 @@ void MeshLibrary::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_item_name", "id", "name"), &MeshLibrary::set_item_name);
 	ClassDB::bind_method(D_METHOD("set_item_mesh", "id", "mesh"), &MeshLibrary::set_item_mesh);
 	ClassDB::bind_method(D_METHOD("set_item_navmesh", "id", "navmesh"), &MeshLibrary::set_item_navmesh);
+	ClassDB::bind_method(D_METHOD("set_item_navmesh_transform", "id", "navmesh"), &MeshLibrary::set_item_navmesh_transform);
 	ClassDB::bind_method(D_METHOD("set_item_shapes", "id", "shapes"), &MeshLibrary::_set_item_shapes);
 	ClassDB::bind_method(D_METHOD("set_item_preview", "id", "texture"), &MeshLibrary::set_item_preview);
 	ClassDB::bind_method(D_METHOD("get_item_name", "id"), &MeshLibrary::get_item_name);
 	ClassDB::bind_method(D_METHOD("get_item_mesh", "id"), &MeshLibrary::get_item_mesh);
 	ClassDB::bind_method(D_METHOD("get_item_navmesh", "id"), &MeshLibrary::get_item_navmesh);
+	ClassDB::bind_method(D_METHOD("get_item_navmesh_transform", "id"), &MeshLibrary::get_item_navmesh_transform);
 	ClassDB::bind_method(D_METHOD("get_item_shapes", "id"), &MeshLibrary::_get_item_shapes);
 	ClassDB::bind_method(D_METHOD("get_item_preview", "id"), &MeshLibrary::get_item_preview);
 	ClassDB::bind_method(D_METHOD("remove_item", "id"), &MeshLibrary::remove_item);
diff --git a/scene/resources/mesh_library.h b/scene/resources/mesh_library.h
index 849a0577eb..4ae4fc6483 100644
--- a/scene/resources/mesh_library.h
+++ b/scene/resources/mesh_library.h
@@ -52,6 +52,7 @@ public:
 		Ref<Mesh> mesh;
 		Vector<ShapeData> shapes;
 		Ref<Texture> preview;
+		Transform navmesh_transform;
 		Ref<NavigationMesh> navmesh;
 	};
 
@@ -72,11 +73,13 @@ public:
 	void set_item_name(int p_item, const String &p_name);
 	void set_item_mesh(int p_item, const Ref<Mesh> &p_mesh);
 	void set_item_navmesh(int p_item, const Ref<NavigationMesh> &p_navmesh);
+	void set_item_navmesh_transform(int p_item, const Transform &p_transform);
 	void set_item_shapes(int p_item, const Vector<ShapeData> &p_shapes);
 	void set_item_preview(int p_item, const Ref<Texture> &p_preview);
 	String get_item_name(int p_item) const;
 	Ref<Mesh> get_item_mesh(int p_item) const;
 	Ref<NavigationMesh> get_item_navmesh(int p_item) const;
+	Transform get_item_navmesh_transform(int p_item) const;
 	Vector<ShapeData> get_item_shapes(int p_item) const;
 	Ref<Texture> get_item_preview(int p_item) const;
 
diff --git a/scene/resources/resource_format_text.cpp b/scene/resources/resource_format_text.cpp
index 210fbe9f20..b6efca9acc 100644
--- a/scene/resources/resource_format_text.cpp
+++ b/scene/resources/resource_format_text.cpp
@@ -1645,7 +1645,8 @@ Error ResourceFormatSaverTextInstance::save(const String &p_path, const RES &p_r
 			}
 		}
 
-		f->store_string("\n");
+		if (E->next())
+			f->store_line(String());
 	}
 
 	if (packed_scene.is_valid()) {
@@ -1714,7 +1715,8 @@ Error ResourceFormatSaverTextInstance::save(const String &p_path, const RES &p_r
 				f->store_string(_valprop(String(state->get_node_property_name(i, j))) + " = " + vars + "\n");
 			}
 
-			f->store_line(String());
+			if (i < state->get_node_count() - 1)
+				f->store_line(String());
 		}
 
 		for (int i = 0; i < state->get_connection_count(); i++) {
diff --git a/scene/resources/texture.cpp b/scene/resources/texture.cpp
index 08b2a05d43..3ca2b56d08 100644
--- a/scene/resources/texture.cpp
+++ b/scene/resources/texture.cpp
@@ -842,6 +842,12 @@ void StreamTexture::reload_from_file() {
 	load(path);
 }
 
+void StreamTexture::_validate_property(PropertyInfo &property) const {
+	if (property.name == "flags") {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
+	}
+}
+
 void StreamTexture::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("load", "path"), &StreamTexture::load);
diff --git a/scene/resources/texture.h b/scene/resources/texture.h
index 21d3782897..281a33929c 100644
--- a/scene/resources/texture.h
+++ b/scene/resources/texture.h
@@ -203,6 +203,7 @@ private:
 
 protected:
 	static void _bind_methods();
+	void _validate_property(PropertyInfo &property) const;
 
 public:
 	typedef void (*TextureFormatRequestCallback)(const Ref<StreamTexture> &);
diff --git a/servers/physics_2d/joints_2d_sw.cpp b/servers/physics_2d/joints_2d_sw.cpp
index 5c2242c4c5..954b0fa3ea 100644
--- a/servers/physics_2d/joints_2d_sw.cpp
+++ b/servers/physics_2d/joints_2d_sw.cpp
@@ -299,9 +299,7 @@ bool GrooveJoint2DSW::setup(real_t p_step) {
 
 	Vector2 delta = (B->get_transform().get_origin() + rB) - (A->get_transform().get_origin() + rA);
 
-	// FIXME: We used to do this assignment and then override it with 0.001 right after. Investigate why.
-	//real_t _b = get_bias();
-	real_t _b = 0.001;
+	real_t _b = get_bias();
 	gbias = (delta * -(_b == 0 ? space->get_constraint_bias() : _b) * (1.0 / p_step)).clamped(get_max_bias());
 
 	// apply accumulated impulse
diff --git a/servers/visual/visual_server_canvas.cpp b/servers/visual/visual_server_canvas.cpp
index 85dcaa6b03..af6e3db149 100644
--- a/servers/visual/visual_server_canvas.cpp
+++ b/servers/visual/visual_server_canvas.cpp
@@ -319,6 +319,19 @@ void VisualServerCanvas::canvas_set_modulate(RID p_canvas, const Color &p_color)
 	canvas->modulate = p_color;
 }
 
+void VisualServerCanvas::canvas_set_disable_scale(bool p_disable) {
+	disable_scale = p_disable;
+}
+
+void VisualServerCanvas::canvas_set_parent(RID p_canvas, RID p_parent, float p_scale) {
+
+	Canvas *canvas = canvas_owner.get(p_canvas);
+	ERR_FAIL_COND(!canvas);
+
+	canvas->parent = p_parent;
+	canvas->parent_scale = p_scale;
+}
+
 RID VisualServerCanvas::canvas_item_create() {
 
 	Item *canvas_item = memnew(Item);
@@ -1434,4 +1447,5 @@ bool VisualServerCanvas::free(RID p_rid) {
 }
 
 VisualServerCanvas::VisualServerCanvas() {
+	disable_scale = false;
 }
diff --git a/servers/visual/visual_server_canvas.h b/servers/visual/visual_server_canvas.h
index 7d788cbe14..8162085ced 100644
--- a/servers/visual/visual_server_canvas.h
+++ b/servers/visual/visual_server_canvas.h
@@ -126,6 +126,8 @@ public:
 		bool children_order_dirty;
 		Vector<ChildItem> child_items;
 		Color modulate;
+		RID parent;
+		float parent_scale;
 
 		int find_item(Item *p_item) {
 			for (int i = 0; i < child_items.size(); i++) {
@@ -143,13 +145,16 @@ public:
 		Canvas() {
 			modulate = Color(1, 1, 1, 1);
 			children_order_dirty = true;
+			parent_scale = 1.0;
 		}
 	};
 
-	RID_Owner<Canvas> canvas_owner;
+	mutable RID_Owner<Canvas> canvas_owner;
 	RID_Owner<Item> canvas_item_owner;
 	RID_Owner<RasterizerCanvas::Light> canvas_light_owner;
 
+	bool disable_scale;
+
 private:
 	void _render_canvas_item_tree(Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, RasterizerCanvas::Light *p_lights);
 	void _render_canvas_item(Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, int p_z, RasterizerCanvas::Item **z_list, RasterizerCanvas::Item **z_last_list, Item *p_canvas_clip, Item *p_material_owner);
@@ -161,6 +166,8 @@ public:
 	RID canvas_create();
 	void canvas_set_item_mirroring(RID p_canvas, RID p_item, const Point2 &p_mirroring);
 	void canvas_set_modulate(RID p_canvas, const Color &p_color);
+	void canvas_set_parent(RID p_canvas, RID p_parent, float p_scale);
+	void canvas_set_disable_scale(bool p_disable);
 
 	RID canvas_item_create();
 	void canvas_item_set_parent(RID p_item, RID p_parent);
diff --git a/servers/visual/visual_server_raster.h b/servers/visual/visual_server_raster.h
index a1204c7573..8ce25ba906 100644
--- a/servers/visual/visual_server_raster.h
+++ b/servers/visual/visual_server_raster.h
@@ -569,6 +569,8 @@ public:
 	BIND0R(RID, canvas_create)
 	BIND3(canvas_set_item_mirroring, RID, RID, const Point2 &)
 	BIND2(canvas_set_modulate, RID, const Color &)
+	BIND3(canvas_set_parent, RID, RID, float)
+	BIND1(canvas_set_disable_scale, bool)
 
 	BIND0R(RID, canvas_item_create)
 	BIND2(canvas_item_set_parent, RID, RID)
diff --git a/servers/visual/visual_server_viewport.cpp b/servers/visual/visual_server_viewport.cpp
index 2c6709662f..79fdefe5c1 100644
--- a/servers/visual/visual_server_viewport.cpp
+++ b/servers/visual/visual_server_viewport.cpp
@@ -35,6 +35,33 @@
 #include "visual_server_globals.h"
 #include "visual_server_scene.h"
 
+static Transform2D _canvas_get_transform(VisualServerViewport::Viewport *p_viewport, VisualServerCanvas::Canvas *p_canvas, VisualServerViewport::Viewport::CanvasData *p_canvas_data, const Vector2 &p_vp_size) {
+
+	Transform2D xf = p_viewport->global_transform;
+
+	float scale = 1.0;
+	if (p_viewport->canvas_map.has(p_canvas->parent)) {
+		xf = xf * p_viewport->canvas_map[p_canvas->parent].transform;
+		scale = p_canvas->parent_scale;
+	}
+
+	xf = xf * p_canvas_data->transform;
+
+	if (scale != 1.0 && !VSG::canvas->disable_scale) {
+		Vector2 pivot = p_vp_size * 0.5;
+		Transform2D xfpivot;
+		xfpivot.set_origin(pivot);
+		Transform2D xfscale;
+		xfscale.scale(Vector2(scale, scale));
+
+		xf = xfpivot.affine_inverse() * xf;
+		xf = xfscale * xf;
+		xf = xfpivot * xf;
+	}
+
+	return xf;
+}
+
 void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::Eyes p_eye) {
 
 	/* Camera should always be BEFORE any other 3D */
@@ -86,10 +113,10 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 
 		for (Map<RID, Viewport::CanvasData>::Element *E = p_viewport->canvas_map.front(); E; E = E->next()) {
 
-			Transform2D xf = p_viewport->global_transform * E->get().transform;
-
 			VisualServerCanvas::Canvas *canvas = static_cast<VisualServerCanvas::Canvas *>(E->get().canvas);
 
+			Transform2D xf = _canvas_get_transform(p_viewport, canvas, &E->get(), clip_rect.size);
+
 			//find lights in canvas
 
 			for (Set<RasterizerCanvas::Light *>::Element *F = canvas->lights.front(); F; F = F->next()) {
@@ -193,7 +220,7 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 
 			VisualServerCanvas::Canvas *canvas = static_cast<VisualServerCanvas::Canvas *>(E->get()->canvas);
 
-			Transform2D xform = p_viewport->global_transform * E->get()->transform;
+			Transform2D xform = _canvas_get_transform(p_viewport, canvas, E->get(), clip_rect.size);
 
 			RasterizerCanvas::Light *canvas_lights = NULL;
 
diff --git a/servers/visual/visual_server_wrap_mt.h b/servers/visual/visual_server_wrap_mt.h
index c6da6799a5..efe251e9de 100644
--- a/servers/visual/visual_server_wrap_mt.h
+++ b/servers/visual/visual_server_wrap_mt.h
@@ -487,6 +487,8 @@ public:
 	FUNCRID(canvas)
 	FUNC3(canvas_set_item_mirroring, RID, RID, const Point2 &)
 	FUNC2(canvas_set_modulate, RID, const Color &)
+	FUNC3(canvas_set_parent, RID, RID, float)
+	FUNC1(canvas_set_disable_scale, bool)
 
 	FUNCRID(canvas_item)
 	FUNC2(canvas_item_set_parent, RID, RID)
diff --git a/servers/visual_server.cpp b/servers/visual_server.cpp
index 3dbe516f74..19c6106502 100644
--- a/servers/visual_server.cpp
+++ b/servers/visual_server.cpp
@@ -776,7 +776,7 @@ Error VisualServer::_surface_set_data(Array p_arrays, uint32_t p_format, uint32_
 						continue; //break;
 					ERR_FAIL_INDEX_V(idx, total_bones, ERR_INVALID_DATA);
 
-					if (bptr->size.x < 0) {
+					if (bptr[idx].size.x < 0) {
 						//first
 						bptr[idx] = AABB(v, SMALL_VEC3);
 						any_valid = true;
diff --git a/servers/visual_server.h b/servers/visual_server.h
index 63ddc3328a..596b893b69 100644
--- a/servers/visual_server.h
+++ b/servers/visual_server.h
@@ -860,6 +860,9 @@ public:
 	virtual RID canvas_create() = 0;
 	virtual void canvas_set_item_mirroring(RID p_canvas, RID p_item, const Point2 &p_mirroring) = 0;
 	virtual void canvas_set_modulate(RID p_canvas, const Color &p_color) = 0;
+	virtual void canvas_set_parent(RID p_canvas, RID p_parent, float p_scale) = 0;
+
+	virtual void canvas_set_disable_scale(bool p_disable) = 0;
 
 	virtual RID canvas_item_create() = 0;
 	virtual void canvas_item_set_parent(RID p_item, RID p_parent) = 0;
diff --git a/thirdparty/README.md b/thirdparty/README.md
index b0039c2865..7f9fc28b3e 100644
--- a/thirdparty/README.md
+++ b/thirdparty/README.md
@@ -1,5 +1,11 @@
 # Third party libraries
 
+## assimp
+
+- Upstream: http://github.com/assimp/assimp
+- Version: git (d2b45377e4b09a1f43be95e45553afcc06b03f4b)
+- License: BSD-3-Clause
+
 
 ## b2d_convexdecomp
 
@@ -255,23 +261,25 @@ changes are marked with `// -- GODOT --` comments.
 ## libwebsockets
 
 - Upstream: https://github.com/warmcat/libwebsockets
-- Version: 3.0.1
+- Version: 3.1.0
 - License: LGPLv2.1 + static linking exception
 
 File extracted from upstream source:
-- From `lib/` into `thirdparty/libwebsockets`:
+- From `lib/` into `thirdparty/libwebsockets/lib`:
   - Everything from `core`
-  - From `event-libs` only the `poll` subfolder
-  - From `misc` only `base64-decode.c`, `getifaddrs.c`, `getifaddrs.h`, `lejp.c`, and `sha-1.c`
-  - From `plat` only `lws-plat-unix.c` and `lws-plat-win.c`
+  - From `event-libs` only the `poll` subfolder and the `private.h` header
+  - From `misc` only `base64-decode.c`, `getifaddrs.c`, `getifaddrs.h`, `lejp.c`, and `sha-1.c` (and the `private.h` header)
+  - From `plat` everything from `unix` and `windows` (and the `private.h` header)
   - From `roles` only `private.h`, `h1`, `http`, `listen`, `pipe`, `raw`, `ws`
-    - From `roles/http` exclude `minilex.c`
+    - From `roles/http` exclude `minilex.c` and the `compression` subfolder
     - From `roles/http/server` exclude `access-log.c`, `lws-spa.c`, `ranges.c`, and `rewrite.c`
     - From `roles/ws` exclude `ext` folder.
   - From `tls` exclude `openssl` folder.
 - Also copy `win32helpers/` from `win32port/` inside `thirdparty/libwebsockets`
 - A fix has been added to allow building for 32-bits UWP, replacing `GetFileSize[Ex]` and `CreateFileW` with supported functions.
   There is a diff for this change in `thirdparty/libwebsockets/uwp_fixes.diff`
+- A fix to disable V6ONLY flag from IPv6 sockets (on by default on some systems) has been also applied.
+  The diff for this change can be found in `thirdparty/libwebsockets/ipv6_fixes.diff`
 
 Important: `lws_config.h` and `lws_config_private.h` contains custom
 Godot build configurations, check them out when updating.
diff --git a/thirdparty/assimp/CREDITS b/thirdparty/assimp/CREDITS
new file mode 100644
index 0000000000..26e21d2f41
--- /dev/null
+++ b/thirdparty/assimp/CREDITS
@@ -0,0 +1,183 @@
+===============================================================
+Open Asset Import Library (Assimp)
+Developers and Contributors
+===============================================================
+
+The following is a non-exhaustive list of all constributors over the years.
+If you think your name should be listed here, drop us a line and we'll add you.
+
+- Alexander Gessler,
+3DS-, BLEND-, ASE-, DXF-, HMP-, MDL-, MD2-, MD3-, MD5-, MDC-, NFF-, PLY-, STL-, RAW-, OFF-, MS3D-, Q3D- and LWO-Loader, Assimp-Viewer, assimp-cmd, -noboost, Website (Design).
+
+- Thomas Schulze,
+X-, Collada-, BVH-Loader, Postprocessing framework. Data structure & Interface design, documentation.
+
+- Kim Kulling,
+Obj-, Q3BSD-, OpenGEX-Loader, Logging system, CMake-build-environment, Linux-build, Website ( Admin ), Coverity ( Admin ), Glitter ( Admin ).
+
+- R.Schmidt,
+Linux build, eclipse support.
+
+- Matthias Gubisch,
+Assimp.net
+Visual Studio 9 support, bugfixes.
+
+- Mark Sibly
+B3D-Loader, Assimp testing
+
+- Jonathan Klein
+Ogre Loader, VC2010 fixes and CMake fixes.
+
+- Sebastian Hempel,
+PyAssimp (first version)
+Compile-Bugfixes for mingw, add environment for static library support in make.
+
+- Jonathan Pokrass
+Supplied a bugfix concerning the scaling in the md3 loader.
+
+- Andrew Galante,
+Submitted patches to make Assimp compile with GCC-4, a makefile and the xcode3 workspace.
+
+- Andreas Nagel
+First Assimp testing & verification under Windows Vista 64 Bit.
+
+- Marius Schr�der
+Allowed us to use many of his models for screenshots and testing.
+
+- Christian Schubert
+Supplied various XFiles for testing purposes.
+
+- Tizian Wieland
+Searched the web for hundreds of test models for internal use
+
+- John Connors
+Supplied patches for linux and SCons.
+
+- T. R.
+The GUY who performed some of the CSM mocaps.
+
+- Andy Maloney
+Contributed fixes for the documentation and the doxygen markup
+
+- Zhao Lei
+Contributed several bugfixes fixing memory leaks and improving float parsing 
+
+- sueastside
+Updated PyAssimp to the latest Assimp data structures and provided a script to keep the Python binding up-to-date.
+
+- Tobias Rittig
+Collada testing with Cinema 4D
+
+- Brad Grantham
+Improvements in OpenGL-Sample.
+
+- Robert Ramirez
+Add group loading feature to Obj-Loader.
+
+- Chris Maiwald
+Many bugreports, improving Assimp's portability, regular testing & feedback.
+
+- Stepan Hrbek
+Bugreport and fix for a obj-materialloader crash.
+
+- David Nadlinger
+D bindings, CMake install support.
+
+- Dario Accornero
+Contributed several patches regarding Mac OS/XCode targets, bug reports.
+
+- Martin Walser (Samhayne)
+Contributed the 'SimpleTexturedOpenGl' sample.
+
+- Matthias Fauconneau
+Contributed a fix for the Q3-BSP loader.
+
+- Jørgen P. Tjernø
+Contributed updated and improved xcode workspaces
+
+- drparallax
+Contributed the /samples/SimpleAssimpViewX sample
+
+- Carsten Fuchs
+Contributed a fix for the Normalize method in aiQuaternion.
+
+- dbburgess
+Contributes a Android-specific build issue: log the hardware architecture for ARM.
+
+- alfiereinre7
+Contributes a obj-fileparser fix: missing tokens in the obj-token list.
+
+- Roman Kharitonov
+Contributes a fix for the configure script environment.
+
+- Ed Diana
+Contributed AssimpDelphi (/port/AssimpDelphi).
+
+- rdb
+Contributes a bundle of fixes and improvements for the bsp-importer.
+
+- Mick P
+For contributing the De-bone postprocessing step and filing various bug reports.
+
+- Rosen Diankov
+Contributed patches to build assimp debian packages using cmake.
+
+- Mark Page
+Contributed a patch to fix the VertexTriangleAdjacency postprocessing step.
+
+- IOhannes
+Contributed the Debian build fixes ( architecture macro ).
+
+- gellule
+Several LWO and LWS fixes (pivoting). 
+
+- Marcel Metz
+GCC/Linux fixes for the SimpleOpenGL sample.
+
+- Brian Miller
+Bugfix for a compiler fix for iOS on arm.
+
+- Séverin Lemaignan
+Rewrite of PyAssimp, distutils and Python3 support
+
+- albert-wang
+Bugfixes for the collada parser
+
+- Ya ping Jin
+Bugfixes for uv-tanget calculation.
+
+- Jonne Nauha
+Ogre Binary format support
+
+- Filip Wasil, Tieto Poland Sp. z o.o.
+Android JNI asset extraction support
+
+- Richard Steffen
+Contributed ExportProperties interface
+Contributed X File exporter
+Contributed Step (stp) exporter
+
+- Thomas Iorns (mesilliac)
+Initial FBX Export support
+
+For a more detailed list just check: https://github.com/assimp/assimp/network/members
+
+
+========
+Patreons
+========
+
+Huge thanks to our Patreons!
+
+- migenius
+- Marcus
+- Cort
+- elect
+- Steffen
+
+
+===================
+Commercial Sponsors
+===================
+
+- MyDidimo (mydidimo.com): Sponsored development of FBX Export support
diff --git a/thirdparty/assimp/LICENSE b/thirdparty/assimp/LICENSE
new file mode 100644
index 0000000000..262606aff3
--- /dev/null
+++ b/thirdparty/assimp/LICENSE
@@ -0,0 +1,78 @@
+Open Asset Import Library (assimp)
+
+Copyright (c) 2006-2016, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+******************************************************************************
+
+AN EXCEPTION applies to all files in the ./test/models-nonbsd folder.
+These are 3d models for testing purposes, from various free sources
+on the internet. They are - unless otherwise stated - copyright of
+their respective creators, which may impose additional requirements
+on the use of their work. For any of these models, see
+<model-name>.source.txt for more legal information. Contact us if you
+are a copyright holder and believe that we credited you inproperly or
+if you don't want your files to appear in the repository.
+
+
+******************************************************************************
+
+Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors
+http://code.google.com/p/poly2tri/
+
+All rights reserved.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+* Neither the name of Poly2Tri nor the names of its contributors may be
+  used to endorse or promote products derived from this software without specific
+  prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/thirdparty/assimp/assimp/config.h b/thirdparty/assimp/assimp/config.h
new file mode 100644
index 0000000000..8b0634d28b
--- /dev/null
+++ b/thirdparty/assimp/assimp/config.h
@@ -0,0 +1,980 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2018, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file config.h
+ *  @brief Defines constants for configurable properties for the library
+ *
+ *  Typically these properties are set via
+ *  #Assimp::Importer::SetPropertyFloat,
+ *  #Assimp::Importer::SetPropertyInteger or
+ *  #Assimp::Importer::SetPropertyString,
+ *  depending on the data type of a property. All properties have a
+ *  default value. See the doc for the mentioned methods for more details.
+ *
+ *  <br><br>
+ *  The corresponding functions for use with the plain-c API are:
+ *  #aiSetImportPropertyInteger,
+ *  #aiSetImportPropertyFloat,
+ *  #aiSetImportPropertyString
+ */
+#pragma once
+#ifndef AI_CONFIG_H_INC
+#define AI_CONFIG_H_INC
+
+// ###########################################################################
+// LIBRARY SETTINGS
+// General, global settings
+// ###########################################################################
+
+// ---------------------------------------------------------------------------
+/** @brief Enables time measurements.
+ *
+ *  If enabled, measures the time needed for each part of the loading
+ *  process (i.e. IO time, importing, postprocessing, ..) and dumps
+ *  these timings to the DefaultLogger. See the @link perf Performance
+ *  Page@endlink for more information on this topic.
+ *
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_GLOB_MEASURE_TIME \
+	"GLOB_MEASURE_TIME"
+
+// ---------------------------------------------------------------------------
+/** @brief Global setting to disable generation of skeleton dummy meshes
+ *
+ * Skeleton dummy meshes are generated as a visualization aid in cases which
+ * the input data contains no geometry, but only animation data.
+ * Property data type: bool. Default value: false
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_IMPORT_NO_SKELETON_MESHES \
+	"IMPORT_NO_SKELETON_MESHES"
+
+#if 0 // not implemented yet
+// ---------------------------------------------------------------------------
+/** @brief Set Assimp's multithreading policy.
+ *
+ * This setting is ignored if Assimp was built without boost.thread
+ * support (ASSIMP_BUILD_NO_THREADING, which is implied by ASSIMP_BUILD_BOOST_WORKAROUND).
+ * Possible values are: -1 to let Assimp decide what to do, 0 to disable
+ * multithreading entirely and any number larger than 0 to force a specific
+ * number of threads. Assimp is always free to ignore this settings, which is
+ * merely a hint. Usually, the default value (-1) will be fine. However, if
+ * Assimp is used concurrently from multiple user threads, it might be useful
+ * to limit each Importer instance to a specific number of cores.
+ *
+ * For more information, see the @link threading Threading page@endlink.
+ * Property type: int, default value: -1.
+ */
+#define AI_CONFIG_GLOB_MULTITHREADING \
+	"GLOB_MULTITHREADING"
+#endif
+
+// ###########################################################################
+// POST PROCESSING SETTINGS
+// Various stuff to fine-tune the behavior of a specific post processing step.
+// ###########################################################################
+
+// ---------------------------------------------------------------------------
+/** @brief Maximum bone count per mesh for the SplitbyBoneCount step.
+ *
+ * Meshes are split until the maximum number of bones is reached. The default
+ * value is AI_SBBC_DEFAULT_MAX_BONES, which may be altered at
+ * compile-time.
+ * Property data type: integer.
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_PP_SBBC_MAX_BONES \
+	"PP_SBBC_MAX_BONES"
+
+// default limit for bone count
+#if (!defined AI_SBBC_DEFAULT_MAX_BONES)
+#define AI_SBBC_DEFAULT_MAX_BONES 60
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief  Specifies the maximum angle that may be between two vertex tangents
+ *         that their tangents and bi-tangents are smoothed.
+ *
+ * This applies to the CalcTangentSpace-Step. The angle is specified
+ * in degrees. The maximum value is 175.
+ * Property type: float. Default value: 45 degrees
+ */
+#define AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE \
+	"PP_CT_MAX_SMOOTHING_ANGLE"
+
+// ---------------------------------------------------------------------------
+/** @brief Source UV channel for tangent space computation.
+ *
+ * The specified channel must exist or an error will be raised.
+ * Property type: integer. Default value: 0
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_PP_CT_TEXTURE_CHANNEL_INDEX \
+	"PP_CT_TEXTURE_CHANNEL_INDEX"
+
+// ---------------------------------------------------------------------------
+/** @brief  Specifies the maximum angle that may be between two face normals
+ *          at the same vertex position that their are smoothed together.
+ *
+ * Sometimes referred to as 'crease angle'.
+ * This applies to the GenSmoothNormals-Step. The angle is specified
+ * in degrees, so 180 is PI. The default value is 175 degrees (all vertex
+ * normals are smoothed). The maximum value is 175, too. Property type: float.
+ * Warning: setting this option may cause a severe loss of performance. The
+ * performance is unaffected if the #AI_CONFIG_FAVOUR_SPEED flag is set but
+ * the output quality may be reduced.
+ */
+#define AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE \
+	"PP_GSN_MAX_SMOOTHING_ANGLE"
+
+// ---------------------------------------------------------------------------
+/** @brief Sets the colormap (= palette) to be used to decode embedded
+ *         textures in MDL (Quake or 3DGS) files.
+ *
+ * This must be a valid path to a file. The file is 768 (256*3) bytes
+ * large and contains RGB triplets for each of the 256 palette entries.
+ * The default value is colormap.lmp. If the file is not found,
+ * a default palette (from Quake 1) is used.
+ * Property type: string.
+ */
+#define AI_CONFIG_IMPORT_MDL_COLORMAP \
+	"IMPORT_MDL_COLORMAP"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_RemoveRedundantMaterials step to
+ *  keep materials matching a name in a given list.
+ *
+ * This is a list of 1 to n strings, ' ' serves as delimiter character.
+ * Identifiers containing whitespaces must be enclosed in *single*
+ * quotation marks. For example:<tt>
+ * "keep-me and_me_to anotherMaterialToBeKept \'name with whitespace\'"</tt>.
+ * If a material matches on of these names, it will not be modified or
+ * removed by the postprocessing step nor will other materials be replaced
+ * by a reference to it. <br>
+ * This option might be useful if you are using some magic material names
+ * to pass additional semantics through the content pipeline. This ensures
+ * they won't be optimized away, but a general optimization is still
+ * performed for materials not contained in the list.
+ * Property type: String. Default value: n/a
+ * @note Linefeeds, tabs or carriage returns are treated as whitespace.
+ *   Material names are case sensitive.
+ */
+#define AI_CONFIG_PP_RRM_EXCLUDE_LIST \
+	"PP_RRM_EXCLUDE_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to
+ *  keep the scene hierarchy. Meshes are moved to worldspace, but
+ *  no optimization is performed (read: meshes with equal materials are not
+ *  joined. The total number of meshes won't change).
+ *
+ * This option could be of use for you if the scene hierarchy contains
+ * important additional information which you intend to parse.
+ * For rendering, you can still render all meshes in the scene without
+ * any transformations.
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_PTV_KEEP_HIERARCHY \
+	"PP_PTV_KEEP_HIERARCHY"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to normalize
+ *  all vertex components into the [-1,1] range. That is, a bounding box
+ *  for the whole scene is computed, the maximum component is taken and all
+ *  meshes are scaled appropriately (uniformly of course!).
+ *  This might be useful if you don't know the spatial dimension of the input
+ *  data*/
+#define AI_CONFIG_PP_PTV_NORMALIZE \
+	"PP_PTV_NORMALIZE"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to use
+ *  a users defined matrix as the scene root node transformation before
+ *  transforming vertices.
+ *  Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_PTV_ADD_ROOT_TRANSFORMATION \
+	"PP_PTV_ADD_ROOT_TRANSFORMATION"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to use
+ *  a users defined matrix as the scene root node transformation before
+ *  transforming vertices. This property correspond to the 'a1' component
+ *  of the transformation matrix.
+ *  Property type: aiMatrix4x4.
+ */
+#define AI_CONFIG_PP_PTV_ROOT_TRANSFORMATION \
+	"PP_PTV_ROOT_TRANSFORMATION"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_FindDegenerates step to
+ *  remove degenerated primitives from the import - immediately.
+ *
+ * The default behaviour converts degenerated triangles to lines and
+ * degenerated lines to points. See the documentation to the
+ * #aiProcess_FindDegenerates step for a detailed example of the various ways
+ * to get rid of these lines and points if you don't want them.
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_FD_REMOVE \
+	"PP_FD_REMOVE"
+
+// ---------------------------------------------------------------------------
+/**
+ *  @brief  Configures the #aiProcess_FindDegenerates to check the area of a
+ *  trinagle to be greates than e-6. If this is not the case the triangle will
+ *  be removed if #AI_CONFIG_PP_FD_REMOVE is set to true.
+ */
+#define AI_CONFIG_PP_FD_CHECKAREA \
+	"PP_FD_CHECKAREA"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_OptimizeGraph step to preserve nodes
+ * matching a name in a given list.
+ *
+ * This is a list of 1 to n strings, ' ' serves as delimiter character.
+ * Identifiers containing whitespaces must be enclosed in *single*
+ * quotation marks. For example:<tt>
+ * "keep-me and_me_to anotherNodeToBeKept \'name with whitespace\'"</tt>.
+ * If a node matches on of these names, it will not be modified or
+ * removed by the postprocessing step.<br>
+ * This option might be useful if you are using some magic node names
+ * to pass additional semantics through the content pipeline. This ensures
+ * they won't be optimized away, but a general optimization is still
+ * performed for nodes not contained in the list.
+ * Property type: String. Default value: n/a
+ * @note Linefeeds, tabs or carriage returns are treated as whitespace.
+ *   Node names are case sensitive.
+ */
+#define AI_CONFIG_PP_OG_EXCLUDE_LIST \
+	"PP_OG_EXCLUDE_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the maximum number of triangles in a mesh.
+ *
+ * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
+ * whether a mesh must be split or not.
+ * @note The default value is AI_SLM_DEFAULT_MAX_TRIANGLES
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_SLM_TRIANGLE_LIMIT \
+	"PP_SLM_TRIANGLE_LIMIT"
+
+// default value for AI_CONFIG_PP_SLM_TRIANGLE_LIMIT
+#if (!defined AI_SLM_DEFAULT_MAX_TRIANGLES)
+#define AI_SLM_DEFAULT_MAX_TRIANGLES 1000000
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the maximum number of vertices in a mesh.
+ *
+ * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
+ * whether a mesh must be split or not.
+ * @note The default value is AI_SLM_DEFAULT_MAX_VERTICES
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_SLM_VERTEX_LIMIT \
+	"PP_SLM_VERTEX_LIMIT"
+
+// default value for AI_CONFIG_PP_SLM_VERTEX_LIMIT
+#if (!defined AI_SLM_DEFAULT_MAX_VERTICES)
+#define AI_SLM_DEFAULT_MAX_VERTICES 1000000
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Set the maximum number of bones affecting a single vertex
+ *
+ * This is used by the #aiProcess_LimitBoneWeights PostProcess-Step.
+ * @note The default value is AI_LMW_MAX_WEIGHTS
+ * Property type: integer.*/
+#define AI_CONFIG_PP_LBW_MAX_WEIGHTS \
+	"PP_LBW_MAX_WEIGHTS"
+
+// default value for AI_CONFIG_PP_LBW_MAX_WEIGHTS
+#if (!defined AI_LMW_MAX_WEIGHTS)
+#define AI_LMW_MAX_WEIGHTS 0x4
+#endif // !! AI_LMW_MAX_WEIGHTS
+
+// ---------------------------------------------------------------------------
+/** @brief Lower the deboning threshold in order to remove more bones.
+ *
+ * This is used by the #aiProcess_Debone PostProcess-Step.
+ * @note The default value is AI_DEBONE_THRESHOLD
+ * Property type: float.*/
+#define AI_CONFIG_PP_DB_THRESHOLD \
+	"PP_DB_THRESHOLD"
+
+// default value for AI_CONFIG_PP_LBW_MAX_WEIGHTS
+#if (!defined AI_DEBONE_THRESHOLD)
+#define AI_DEBONE_THRESHOLD 1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------------------------------------------------------------------------
+/** @brief Require all bones qualify for deboning before removing any
+ *
+ * This is used by the #aiProcess_Debone PostProcess-Step.
+ * @note The default value is 0
+ * Property type: bool.*/
+#define AI_CONFIG_PP_DB_ALL_OR_NONE \
+	"PP_DB_ALL_OR_NONE"
+
+/** @brief Default value for the #AI_CONFIG_PP_ICL_PTCACHE_SIZE property
+ */
+#ifndef PP_ICL_PTCACHE_SIZE
+#define PP_ICL_PTCACHE_SIZE 12
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Set the size of the post-transform vertex cache to optimize the
+ *    vertices for. This configures the #aiProcess_ImproveCacheLocality step.
+ *
+ * The size is given in vertices. Of course you can't know how the vertex
+ * format will exactly look like after the import returns, but you can still
+ * guess what your meshes will probably have.
+ * @note The default value is #PP_ICL_PTCACHE_SIZE. That results in slight
+ * performance improvements for most nVidia/AMD cards since 2002.
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_ICL_PTCACHE_SIZE "PP_ICL_PTCACHE_SIZE"
+
+// ---------------------------------------------------------------------------
+/** @brief Enumerates components of the aiScene and aiMesh data structures
+ *  that can be excluded from the import using the #aiProcess_RemoveComponent step.
+ *
+ *  See the documentation to #aiProcess_RemoveComponent for more details.
+ */
+enum aiComponent {
+/** Normal vectors */
+#ifdef SWIG
+    aiComponent_NORMALS = 0x2,
+#else
+	aiComponent_NORMALS = 0x2u,
+#endif
+
+/** Tangents and bitangents go always together ... */
+#ifdef SWIG
+    aiComponent_TANGENTS_AND_BITANGENTS = 0x4,
+#else
+	aiComponent_TANGENTS_AND_BITANGENTS = 0x4u,
+#endif
+
+	/** ALL color sets
+     * Use aiComponent_COLORn(N) to specify the N'th set */
+	aiComponent_COLORS = 0x8,
+
+	/** ALL texture UV sets
+     * aiComponent_TEXCOORDn(N) to specify the N'th set  */
+	aiComponent_TEXCOORDS = 0x10,
+
+	/** Removes all bone weights from all meshes.
+     * The scenegraph nodes corresponding to the bones are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+	aiComponent_BONEWEIGHTS = 0x20,
+
+	/** Removes all node animations (aiScene::mAnimations).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+	aiComponent_ANIMATIONS = 0x40,
+
+	/** Removes all embedded textures (aiScene::mTextures) */
+	aiComponent_TEXTURES = 0x80,
+
+	/** Removes all light sources (aiScene::mLights).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+	aiComponent_LIGHTS = 0x100,
+
+	/** Removes all cameras (aiScene::mCameras).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+	aiComponent_CAMERAS = 0x200,
+
+	/** Removes all meshes (aiScene::mMeshes). */
+	aiComponent_MESHES = 0x400,
+
+	/** Removes all materials. One default material will
+     * be generated, so aiScene::mNumMaterials will be 1. */
+	aiComponent_MATERIALS = 0x800,
+
+/** This value is not used. It is just there to force the
+     *  compiler to map this enum to a 32 Bit integer. */
+#ifndef SWIG
+	_aiComponent_Force32Bit = 0x9fffffff
+#endif
+};
+
+// Remove a specific color channel 'n'
+#define aiComponent_COLORSn(n) (1u << (n + 20u))
+
+// Remove a specific UV channel 'n'
+#define aiComponent_TEXCOORDSn(n) (1u << (n + 25u))
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_RemoveComponent step:
+ *  Specifies the parts of the data structure to be removed.
+ *
+ * See the documentation to this step for further details. The property
+ * is expected to be an integer, a bitwise combination of the
+ * #aiComponent flags defined above in this header. The default
+ * value is 0. Important: if no valid mesh is remaining after the
+ * step has been executed (e.g you thought it was funny to specify ALL
+ * of the flags defined above) the import FAILS. Mainly because there is
+ * no data to work on anymore ...
+ */
+#define AI_CONFIG_PP_RVC_FLAGS \
+	"PP_RVC_FLAGS"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_SortByPType step:
+ *  Specifies which primitive types are removed by the step.
+ *
+ *  This is a bitwise combination of the aiPrimitiveType flags.
+ *  Specifying all of them is illegal, of course. A typical use would
+ *  be to exclude all line and point meshes from the import. This
+ *  is an integer property, its default value is 0.
+ */
+#define AI_CONFIG_PP_SBP_REMOVE \
+	"PP_SBP_REMOVE"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_FindInvalidData step:
+ *  Specifies the floating-point accuracy for animation values. The step
+ *  checks for animation tracks where all frame values are absolutely equal
+ *  and removes them. This tweakable controls the epsilon for floating-point
+ *  comparisons - two keys are considered equal if the invariant
+ *  abs(n0-n1)>epsilon holds true for all vector respectively quaternion
+ *  components. The default value is 0.f - comparisons are exact then.
+ */
+#define AI_CONFIG_PP_FID_ANIM_ACCURACY \
+	"PP_FID_ANIM_ACCURACY"
+
+// TransformUVCoords evaluates UV scalings
+#define AI_UVTRAFO_SCALING 0x1
+
+// TransformUVCoords evaluates UV rotations
+#define AI_UVTRAFO_ROTATION 0x2
+
+// TransformUVCoords evaluates UV translation
+#define AI_UVTRAFO_TRANSLATION 0x4
+
+// Everything baked together -> default value
+#define AI_UVTRAFO_ALL (AI_UVTRAFO_SCALING | AI_UVTRAFO_ROTATION | AI_UVTRAFO_TRANSLATION)
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_FindInvalidData step:
+ *  Set to true to ignore texture coordinates. This may be useful if you have
+ *  to assign different kind of textures like one for the summer or one for the winter.
+ */
+#define AI_CONFIG_PP_FID_IGNORE_TEXTURECOORDS \
+	"PP_FID_IGNORE_TEXTURECOORDS"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_TransformUVCoords step:
+ *  Specifies which UV transformations are evaluated.
+ *
+ *  This is a bitwise combination of the AI_UVTRAFO_XXX flags (integer
+ *  property, of course). By default all transformations are enabled
+ * (AI_UVTRAFO_ALL).
+ */
+#define AI_CONFIG_PP_TUV_EVALUATE \
+	"PP_TUV_EVALUATE"
+
+// ---------------------------------------------------------------------------
+/** @brief A hint to assimp to favour speed against import quality.
+ *
+ * Enabling this option may result in faster loading, but it needn't.
+ * It represents just a hint to loaders and post-processing steps to use
+ * faster code paths, if possible.
+ * This property is expected to be an integer, != 0 stands for true.
+ * The default value is 0.
+ */
+#define AI_CONFIG_FAVOUR_SPEED \
+	"FAVOUR_SPEED"
+
+// ###########################################################################
+// IMPORTER SETTINGS
+// Various stuff to fine-tune the behaviour of specific importer plugins.
+// ###########################################################################
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will merge all geometry layers present
+ *    in the source file or take only the first.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS \
+	"IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read all materials present in the
+ *    source file or take only the referenced materials.
+ *
+ * This is void unless IMPORT_FBX_READ_MATERIALS=1.
+ *
+ * The default value is false (0)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ALL_MATERIALS \
+	"IMPORT_FBX_READ_ALL_MATERIALS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read materials.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_MATERIALS \
+	"IMPORT_FBX_READ_MATERIALS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read embedded textures.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_TEXTURES \
+	"IMPORT_FBX_READ_TEXTURES"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read cameras.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_CAMERAS \
+	"IMPORT_FBX_READ_CAMERAS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read light sources.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_LIGHTS \
+	"IMPORT_FBX_READ_LIGHTS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read animations.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ANIMATIONS \
+	"IMPORT_FBX_READ_ANIMATIONS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will act in strict mode in which only
+ *    FBX 2013 is supported and any other sub formats are rejected. FBX 2013
+ *    is the primary target for the importer, so this format is best
+ *    supported and well-tested.
+ *
+ * The default value is false (0)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_STRICT_MODE \
+	"IMPORT_FBX_STRICT_MODE"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will preserve pivot points for
+ *    transformations (as extra nodes). If set to false, pivots and offsets
+ *    will be evaluated whenever possible.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS \
+	"IMPORT_FBX_PRESERVE_PIVOTS"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the importer will drop empty animation curves or
+ *    animation curves which match the bind pose transformation over their
+ *    entire defined range.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES \
+	"IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will use the legacy embedded texture naming.
+*
+* The default value is false (0)
+* Property type: bool
+*/
+#define AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING \
+	"AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING"
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the vertex animation keyframe to be imported
+ *
+ * ASSIMP does not support vertex keyframes (only bone animation is supported).
+ * The library reads only one frame of models with vertex animations.
+ * By default this is the first frame.
+ * \note The default value is 0. This option applies to all importers.
+ *   However, it is also possible to override the global setting
+ *   for a specific loader. You can use the AI_CONFIG_IMPORT_XXX_KEYFRAME
+ *   options (where XXX is a placeholder for the file format for which you
+ *   want to override the global setting).
+ * Property type: integer.
+ */
+#define AI_CONFIG_IMPORT_GLOBAL_KEYFRAME "IMPORT_GLOBAL_KEYFRAME"
+
+#define AI_CONFIG_IMPORT_MD3_KEYFRAME "IMPORT_MD3_KEYFRAME"
+#define AI_CONFIG_IMPORT_MD2_KEYFRAME "IMPORT_MD2_KEYFRAME"
+#define AI_CONFIG_IMPORT_MDL_KEYFRAME "IMPORT_MDL_KEYFRAME"
+#define AI_CONFIG_IMPORT_MDC_KEYFRAME "IMPORT_MDC_KEYFRAME"
+#define AI_CONFIG_IMPORT_SMD_KEYFRAME "IMPORT_SMD_KEYFRAME"
+#define AI_CONFIG_IMPORT_UNREAL_KEYFRAME "IMPORT_UNREAL_KEYFRAME"
+
+// ---------------------------------------------------------------------------
+/** Smd load multiple animations
+ *
+ *  Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_SMD_LOAD_ANIMATION_LIST "IMPORT_SMD_LOAD_ANIMATION_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the AC loader to collect all surfaces which have the
+ *    "Backface cull" flag set in separate meshes.
+ *
+ *  Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_AC_SEPARATE_BFCULL \
+	"IMPORT_AC_SEPARATE_BFCULL"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures whether the AC loader evaluates subdivision surfaces (
+ *  indicated by the presence of the 'subdiv' attribute in the file). By
+ *  default, Assimp performs the subdivision using the standard
+ *  Catmull-Clark algorithm
+ *
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_AC_EVAL_SUBDIVISION \
+	"IMPORT_AC_EVAL_SUBDIVISION"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the UNREAL 3D loader to separate faces with different
+ *    surface flags (e.g. two-sided vs. single-sided).
+ *
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS \
+	"UNREAL_HANDLE_FLAGS"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the terragen import plugin to compute uv's for
+ *  terrains, if not given. Furthermore a default texture is assigned.
+ *
+ * UV coordinates for terrains are so simple to compute that you'll usually
+ * want to compute them on your own, if you need them. This option is intended
+ * for model viewers which want to offer an easy way to apply textures to
+ * terrains.
+ * * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_TER_MAKE_UVS \
+	"IMPORT_TER_MAKE_UVS"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the ASE loader to always reconstruct normal vectors
+ *  basing on the smoothing groups loaded from the file.
+ *
+ * Some ASE files have carry invalid normals, other don't.
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_ASE_RECONSTRUCT_NORMALS \
+	"IMPORT_ASE_RECONSTRUCT_NORMALS"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the M3D loader to detect and process multi-part
+ *    Quake player models.
+ *
+ * These models usually consist of 3 files, lower.md3, upper.md3 and
+ * head.md3. If this property is set to true, Assimp will try to load and
+ * combine all three files if one of them is loaded.
+ * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_MD3_HANDLE_MULTIPART \
+	"IMPORT_MD3_HANDLE_MULTIPART"
+
+// ---------------------------------------------------------------------------
+/** @brief  Tells the MD3 loader which skin files to load.
+ *
+ * When loading MD3 files, Assimp checks whether a file
+ * [md3_file_name]_[skin_name].skin is existing. These files are used by
+ * Quake III to be able to assign different skins (e.g. red and blue team)
+ * to models. 'default', 'red', 'blue' are typical skin names.
+ * Property type: String. Default value: "default".
+ */
+#define AI_CONFIG_IMPORT_MD3_SKIN_NAME \
+	"IMPORT_MD3_SKIN_NAME"
+
+// ---------------------------------------------------------------------------
+/** @brief  Specify the Quake 3 shader file to be used for a particular
+ *  MD3 file. This can also be a search path.
+ *
+ * By default Assimp's behaviour is as follows: If a MD3 file
+ * <tt>any_path/models/any_q3_subdir/model_name/file_name.md3</tt> is
+ * loaded, the library tries to locate the corresponding shader file in
+ * <tt>any_path/scripts/model_name.shader</tt>. This property overrides this
+ * behaviour. It can either specify a full path to the shader to be loaded
+ * or alternatively the path (relative or absolute) to the directory where
+ * the shaders for all MD3s to be loaded reside. Assimp attempts to open
+ * <tt>IMPORT_MD3_SHADER_SRC/model_name.shader</tt> first, <tt>IMPORT_MD3_SHADER_SRC/file_name.shader</tt>
+ * is the fallback file. Note that IMPORT_MD3_SHADER_SRC should have a terminal (back)slash.
+ * Property type: String. Default value: n/a.
+ */
+#define AI_CONFIG_IMPORT_MD3_SHADER_SRC \
+	"IMPORT_MD3_SHADER_SRC"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the LWO loader to load just one layer from the model.
+ *
+ * LWO files consist of layers and in some cases it could be useful to load
+ * only one of them. This property can be either a string - which specifies
+ * the name of the layer - or an integer - the index of the layer. If the
+ * property is not set the whole LWO model is loaded. Loading fails if the
+ * requested layer is not available. The layer index is zero-based and the
+ * layer name may not be empty.<br>
+ * Property type: Integer. Default value: all layers are loaded.
+ */
+#define AI_CONFIG_IMPORT_LWO_ONE_LAYER_ONLY \
+	"IMPORT_LWO_ONE_LAYER_ONLY"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the MD5 loader to not load the MD5ANIM file for
+ *  a MD5MESH file automatically.
+ *
+ * The default strategy is to look for a file with the same name but the
+ * MD5ANIM extension in the same directory. If it is found, it is loaded
+ * and combined with the MD5MESH file. This configuration option can be
+ * used to disable this behaviour.
+ *
+ * * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_MD5_NO_ANIM_AUTOLOAD \
+	"IMPORT_MD5_NO_ANIM_AUTOLOAD"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines the begin of the time range for which the LWS loader
+ *    evaluates animations and computes aiNodeAnim's.
+ *
+ * Assimp provides full conversion of LightWave's envelope system, including
+ * pre and post conditions. The loader computes linearly subsampled animation
+ * chanels with the frame rate given in the LWS file. This property defines
+ * the start time. Note: animation channels are only generated if a node
+ * has at least one envelope with more tan one key assigned. This property.
+ * is given in frames, '0' is the first frame. By default, if this property
+ * is not set, the importer takes the animation start from the input LWS
+ * file ('FirstFrame' line)<br>
+ * Property type: Integer. Default value: taken from file.
+ *
+ * @see AI_CONFIG_IMPORT_LWS_ANIM_END - end of the imported time range
+ */
+#define AI_CONFIG_IMPORT_LWS_ANIM_START \
+	"IMPORT_LWS_ANIM_START"
+#define AI_CONFIG_IMPORT_LWS_ANIM_END \
+	"IMPORT_LWS_ANIM_END"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines the output frame rate of the IRR loader.
+ *
+ * IRR animations are difficult to convert for Assimp and there will
+ * always be a loss of quality. This setting defines how many keys per second
+ * are returned by the converter.<br>
+ * Property type: integer. Default value: 100
+ */
+#define AI_CONFIG_IMPORT_IRR_ANIM_FPS \
+	"IMPORT_IRR_ANIM_FPS"
+
+// ---------------------------------------------------------------------------
+/** @brief Ogre Importer will try to find referenced materials from this file.
+ *
+ * Ogre meshes reference with material names, this does not tell Assimp the file
+ * where it is located in. Assimp will try to find the source file in the following
+ * order: <material-name>.material, <mesh-filename-base>.material and
+ * lastly the material name defined by this config property.
+ * <br>
+ * Property type: String. Default value: Scene.material.
+ */
+#define AI_CONFIG_IMPORT_OGRE_MATERIAL_FILE \
+	"IMPORT_OGRE_MATERIAL_FILE"
+
+// ---------------------------------------------------------------------------
+/** @brief Ogre Importer detect the texture usage from its filename.
+ *
+ * Ogre material texture units do not define texture type, the textures usage
+ * depends on the used shader or Ogre's fixed pipeline. If this config property
+ * is true Assimp will try to detect the type from the textures filename postfix:
+ * _n, _nrm, _nrml, _normal, _normals and _normalmap for normal map, _s, _spec,
+ * _specular and _specularmap for specular map, _l, _light, _lightmap, _occ
+ * and _occlusion for light map, _disp and _displacement for displacement map.
+ * The matching is case insensitive. Post fix is taken between the last
+ * underscore and the last period.
+ * Default behavior is to detect type from lower cased texture unit name by
+ * matching against: normalmap, specularmap, lightmap and displacementmap.
+ * For both cases if no match is found aiTextureType_DIFFUSE is used.
+ * <br>
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_OGRE_TEXTURETYPE_FROM_FILENAME \
+	"IMPORT_OGRE_TEXTURETYPE_FROM_FILENAME"
+
+/** @brief Specifies whether the Android JNI asset extraction is supported.
+  *
+  * Turn on this option if you want to manage assets in native
+  * Android application without having to keep the internal directory and asset
+  * manager pointer.
+  */
+#define AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT "AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the IFC loader skips over IfcSpace elements.
+ *
+ * IfcSpace elements (and their geometric representations) are used to
+ * represent, well, free space in a building storey.<br>
+ * Property type: Bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS "IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the IFC loader will use its own, custom triangulation
+ *   algorithm to triangulate wall and floor meshes.
+ *
+ * If this property is set to false, walls will be either triangulated by
+ * #aiProcess_Triangulate or will be passed through as huge polygons with
+ * faked holes (i.e. holes that are connected with the outer boundary using
+ * a dummy edge). It is highly recommended to set this property to true
+ * if you want triangulated data because #aiProcess_Triangulate is known to
+ * have problems with the kind of polygons that the IFC loader spits out for
+ * complicated meshes.
+ * Property type: Bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_IFC_CUSTOM_TRIANGULATION "IMPORT_IFC_CUSTOM_TRIANGULATION"
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the tessellation conic angle for IFC smoothing curves.
+ *
+ * This is used by the IFC importer to determine the tessellation parameter
+ * for smoothing curves.
+ * @note The default value is AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE and the
+ * accepted values are in range [5.0, 120.0].
+ * Property type: Float.
+ */
+#define AI_CONFIG_IMPORT_IFC_SMOOTHING_ANGLE "IMPORT_IFC_SMOOTHING_ANGLE"
+
+// default value for AI_CONFIG_IMPORT_IFC_SMOOTHING_ANGLE
+#if (!defined AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE)
+#define AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE 10.0f
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the tessellation for IFC cylindrical shapes.
+ *
+ * This is used by the IFC importer to determine the tessellation parameter
+ * for cylindrical shapes, i.e. the number of segments used to approximate a circle.
+ * @note The default value is AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION and the
+ * accepted values are in range [3, 180].
+ * Property type: Integer.
+ */
+#define AI_CONFIG_IMPORT_IFC_CYLINDRICAL_TESSELLATION "IMPORT_IFC_CYLINDRICAL_TESSELLATION"
+
+// default value for AI_CONFIG_IMPORT_IFC_CYLINDRICAL_TESSELLATION
+#if (!defined AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION)
+#define AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION 32
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the Collada loader will ignore the provided up direction.
+ *
+ * If this property is set to true, the up direction provided in the file header will
+ * be ignored and the file will be loaded as is.
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION "IMPORT_COLLADA_IGNORE_UP_DIRECTION"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the Collada loader should use Collada names as node names.
+ *
+ * If this property is set to true, the Collada names will be used as the
+ * node name. The default is to use the id tag (resp. sid tag, if no id tag is present)
+ * instead.
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES "IMPORT_COLLADA_USE_COLLADA_NAMES"
+
+// ---------- All the Export defines ------------
+
+/** @brief Specifies the xfile use double for real values of float
+ *
+ * Property type: Bool. Default value: false.
+ */
+
+#define AI_CONFIG_EXPORT_XFILE_64BIT "EXPORT_XFILE_64BIT"
+
+/**
+ *
+ */
+#define AI_CONFIG_EXPORT_POINT_CLOUDS "EXPORT_POINT_CLOUDS"
+
+/**
+ *  @brief  Specifies a gobal key factor for scale, float value
+ */
+#define AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY "GLOBAL_SCALE_FACTOR"
+
+#if (!defined AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT)
+#define AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT 1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------- All the Build/Compile-time defines ------------
+
+/** @brief Specifies if double precision is supported inside assimp
+ *
+ * Property type: Bool. Default value: undefined.
+ */
+
+/* #cmakedefine ASSIMP_DOUBLE_PRECISION 1 */
+
+#endif // !! AI_CONFIG_H_INC
diff --git a/thirdparty/assimp/code/BaseImporter.cpp b/thirdparty/assimp/code/BaseImporter.cpp
new file mode 100644
index 0000000000..4803c6d6f2
--- /dev/null
+++ b/thirdparty/assimp/code/BaseImporter.cpp
@@ -0,0 +1,616 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  BaseImporter.cpp
+ *  @brief Implementation of BaseImporter
+ */
+
+#include <assimp/BaseImporter.h>
+#include <assimp/ParsingUtils.h>
+#include "FileSystemFilter.h"
+#include "Importer.h"
+#include <assimp/ByteSwapper.h>
+#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
+#include <assimp/postprocess.h>
+#include <assimp/importerdesc.h>
+
+#include <ios>
+#include <list>
+#include <memory>
+#include <sstream>
+#include <cctype>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+BaseImporter::BaseImporter() AI_NO_EXCEPT
+: m_progress() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+BaseImporter::~BaseImporter() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Imports the given file and returns the imported data.
+aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile, IOSystem* pIOHandler) {
+    m_progress = pImp->GetProgressHandler();
+    if (nullptr == m_progress) {
+        return nullptr;
+    }
+
+    ai_assert(m_progress);
+
+    // Gather configuration properties for this run
+    SetupProperties( pImp );
+
+    // Construct a file system filter to improve our success ratio at reading external files
+    FileSystemFilter filter(pFile,pIOHandler);
+
+    // create a scene object to hold the data
+    std::unique_ptr<aiScene> sc(new aiScene());
+
+    // dispatch importing
+    try
+    {
+        InternReadFile( pFile, sc.get(), &filter);
+
+    } catch( const std::exception& err )    {
+        // extract error description
+        m_ErrorText = err.what();
+        ASSIMP_LOG_ERROR(m_ErrorText);
+        return nullptr;
+    }
+
+    // return what we gathered from the import.
+    return sc.release();
+}
+
+// ------------------------------------------------------------------------------------------------
+void BaseImporter::SetupProperties(const Importer* /*pImp*/)
+{
+    // the default implementation does nothing
+}
+
+// ------------------------------------------------------------------------------------------------
+void BaseImporter::GetExtensionList(std::set<std::string>& extensions) {
+    const aiImporterDesc* desc = GetInfo();
+    ai_assert(desc != nullptr);
+
+    const char* ext = desc->mFileExtensions;
+    ai_assert(ext != nullptr );
+
+    const char* last = ext;
+    do {
+        if (!*ext || *ext == ' ') {
+            extensions.insert(std::string(last,ext-last));
+            ai_assert(ext-last > 0);
+            last = ext;
+            while(*last == ' ') {
+                ++last;
+            }
+        }
+    }
+    while(*ext++);
+}
+
+// ------------------------------------------------------------------------------------------------
+/*static*/ bool BaseImporter::SearchFileHeaderForToken( IOSystem* pIOHandler,
+    const std::string&  pFile,
+    const char**        tokens,
+    unsigned int        numTokens,
+    unsigned int        searchBytes /* = 200 */,
+    bool                tokensSol /* false */,
+    bool                noAlphaBeforeTokens /* false */)
+{
+    ai_assert( nullptr != tokens );
+    ai_assert( 0 != numTokens );
+    ai_assert( 0 != searchBytes);
+
+    if ( nullptr == pIOHandler ) {
+        return false;
+    }
+
+    std::unique_ptr<IOStream> pStream (pIOHandler->Open(pFile));
+    if (pStream.get() ) {
+        // read 200 characters from the file
+        std::unique_ptr<char[]> _buffer (new char[searchBytes+1 /* for the '\0' */]);
+        char *buffer( _buffer.get() );
+        const size_t read( pStream->Read(buffer,1,searchBytes) );
+        if( 0 == read ) {
+            return false;
+        }
+
+        for( size_t i = 0; i < read; ++i ) {
+            buffer[ i ] = static_cast<char>( ::tolower( buffer[ i ] ) );
+        }
+
+        // It is not a proper handling of unicode files here ...
+        // ehm ... but it works in most cases.
+        char* cur = buffer,*cur2 = buffer,*end = &buffer[read];
+        while (cur != end)  {
+            if( *cur ) {
+                *cur2++ = *cur;
+            }
+            ++cur;
+        }
+        *cur2 = '\0';
+
+        std::string token;
+        for (unsigned int i = 0; i < numTokens; ++i ) {
+            ai_assert( nullptr != tokens[i] );
+            const size_t len( strlen( tokens[ i ] ) );
+            token.clear();
+            const char *ptr( tokens[ i ] );
+            for ( size_t tokIdx = 0; tokIdx < len; ++tokIdx ) {
+                token.push_back( static_cast<char>( tolower( *ptr ) ) );
+                ++ptr;
+            }
+            const char* r = strstr( buffer, token.c_str() );
+            if( !r ) {
+                continue;
+            }
+            // We need to make sure that we didn't accidentially identify the end of another token as our token,
+            // e.g. in a previous version the "gltf " present in some gltf files was detected as "f "
+            if (noAlphaBeforeTokens && (r != buffer && isalpha(r[-1]))) {
+                continue;
+            }
+            // We got a match, either we don't care where it is, or it happens to
+            // be in the beginning of the file / line
+            if (!tokensSol || r == buffer || r[-1] == '\r' || r[-1] == '\n') {
+                ASSIMP_LOG_DEBUG_F( "Found positive match for header keyword: ", tokens[i] );
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Simple check for file extension
+/*static*/ bool BaseImporter::SimpleExtensionCheck (const std::string& pFile,
+    const char* ext0,
+    const char* ext1,
+    const char* ext2)
+{
+    std::string::size_type pos = pFile.find_last_of('.');
+
+    // no file extension - can't read
+    if( pos == std::string::npos)
+        return false;
+
+    const char* ext_real = & pFile[ pos+1 ];
+    if( !ASSIMP_stricmp(ext_real,ext0) )
+        return true;
+
+    // check for other, optional, file extensions
+    if (ext1 && !ASSIMP_stricmp(ext_real,ext1))
+        return true;
+
+    if (ext2 && !ASSIMP_stricmp(ext_real,ext2))
+        return true;
+
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get file extension from path
+std::string BaseImporter::GetExtension( const std::string& file ) {
+    std::string::size_type pos = file.find_last_of('.');
+
+    // no file extension at all
+    if (pos == std::string::npos) {
+        return "";
+    }
+
+
+    // thanks to Andy Maloney for the hint
+    std::string ret = file.substr( pos + 1 );
+    std::transform( ret.begin(), ret.end(), ret.begin(), ToLower<char>);
+
+    return ret;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Check for magic bytes at the beginning of the file.
+/* static */ bool BaseImporter::CheckMagicToken(IOSystem* pIOHandler, const std::string& pFile,
+    const void* _magic, unsigned int num, unsigned int offset, unsigned int size)
+{
+    ai_assert( size <= 16 );
+    ai_assert( _magic );
+
+    if (!pIOHandler) {
+        return false;
+    }
+    union {
+        const char* magic;
+        const uint16_t* magic_u16;
+        const uint32_t* magic_u32;
+    };
+    magic = reinterpret_cast<const char*>(_magic);
+    std::unique_ptr<IOStream> pStream (pIOHandler->Open(pFile));
+    if (pStream.get() ) {
+
+        // skip to offset
+        pStream->Seek(offset,aiOrigin_SET);
+
+        // read 'size' characters from the file
+        union {
+            char data[16];
+            uint16_t data_u16[8];
+            uint32_t data_u32[4];
+        };
+        if(size != pStream->Read(data,1,size)) {
+            return false;
+        }
+
+        for (unsigned int i = 0; i < num; ++i) {
+            // also check against big endian versions of tokens with size 2,4
+            // that's just for convenience, the chance that we cause conflicts
+            // is quite low and it can save some lines and prevent nasty bugs
+            if (2 == size) {
+                uint16_t rev = *magic_u16;
+                ByteSwap::Swap(&rev);
+                if (data_u16[0] == *magic_u16 || data_u16[0] == rev) {
+                    return true;
+                }
+            }
+            else if (4 == size) {
+                uint32_t rev = *magic_u32;
+                ByteSwap::Swap(&rev);
+                if (data_u32[0] == *magic_u32 || data_u32[0] == rev) {
+                    return true;
+                }
+            }
+            else {
+                // any length ... just compare
+                if(!memcmp(magic,data,size)) {
+                    return true;
+                }
+            }
+            magic += size;
+        }
+    }
+    return false;
+}
+
+#include "../contrib/utf8cpp/source/utf8.h"
+
+// ------------------------------------------------------------------------------------------------
+// Convert to UTF8 data
+void BaseImporter::ConvertToUTF8(std::vector<char>& data)
+{
+    //ConversionResult result;
+    if(data.size() < 8) {
+        throw DeadlyImportError("File is too small");
+    }
+
+    // UTF 8 with BOM
+    if((uint8_t)data[0] == 0xEF && (uint8_t)data[1] == 0xBB && (uint8_t)data[2] == 0xBF) {
+        ASSIMP_LOG_DEBUG("Found UTF-8 BOM ...");
+
+        std::copy(data.begin()+3,data.end(),data.begin());
+        data.resize(data.size()-3);
+        return;
+    }
+    
+    
+    // UTF 32 BE with BOM
+    if(*((uint32_t*)&data.front()) == 0xFFFE0000) {
+
+        // swap the endianness ..
+        for(uint32_t* p = (uint32_t*)&data.front(), *end = (uint32_t*)&data.back(); p <= end; ++p) {
+            AI_SWAP4P(p);
+        }
+    }
+
+    // UTF 32 LE with BOM
+    if(*((uint32_t*)&data.front()) == 0x0000FFFE) {
+        ASSIMP_LOG_DEBUG("Found UTF-32 BOM ...");
+
+        std::vector<char> output;
+        int *ptr = (int*)&data[ 0 ];
+        int *end = ptr + ( data.size() / sizeof(int) ) +1;
+        utf8::utf32to8( ptr, end, back_inserter(output));
+        return;
+    }
+
+    // UTF 16 BE with BOM
+    if(*((uint16_t*)&data.front()) == 0xFFFE) {
+
+        // swap the endianness ..
+        for(uint16_t* p = (uint16_t*)&data.front(), *end = (uint16_t*)&data.back(); p <= end; ++p) {
+            ByteSwap::Swap2(p);
+        }
+    }
+
+    // UTF 16 LE with BOM
+    if(*((uint16_t*)&data.front()) == 0xFEFF) {
+        ASSIMP_LOG_DEBUG("Found UTF-16 BOM ...");
+
+        std::vector<unsigned char> output;
+        utf8::utf16to8(data.begin(), data.end(), back_inserter(output));
+        return;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Convert to UTF8 data to ISO-8859-1
+void BaseImporter::ConvertUTF8toISO8859_1(std::string& data)
+{
+    size_t size = data.size();
+    size_t i = 0, j = 0;
+
+    while(i < size) {
+        if ((unsigned char) data[i] < (size_t) 0x80) {
+            data[j] = data[i];
+        } else if(i < size - 1) {
+            if((unsigned char) data[i] == 0xC2) {
+                data[j] = data[++i];
+            } else if((unsigned char) data[i] == 0xC3) {
+                data[j] = ((unsigned char) data[++i] + 0x40);
+            } else {
+                std::stringstream stream;
+                stream << "UTF8 code " << std::hex << data[i] << data[i + 1] << " can not be converted into ISA-8859-1.";
+                ASSIMP_LOG_ERROR( stream.str() );
+
+                data[j++] = data[i++];
+                data[j] = data[i];
+            }
+        } else {
+            ASSIMP_LOG_ERROR("UTF8 code but only one character remaining");
+
+            data[j] = data[i];
+        }
+
+        i++; j++;
+    }
+
+    data.resize(j);
+}
+
+// ------------------------------------------------------------------------------------------------
+void BaseImporter::TextFileToBuffer(IOStream* stream,
+    std::vector<char>& data,
+    TextFileMode mode)
+{
+    ai_assert(nullptr != stream);
+
+    const size_t fileSize = stream->FileSize();
+    if (mode == FORBID_EMPTY) {
+        if(!fileSize) {
+            throw DeadlyImportError("File is empty");
+        }
+    }
+
+    data.reserve(fileSize+1);
+    data.resize(fileSize);
+    if(fileSize > 0) {
+        if(fileSize != stream->Read( &data[0], 1, fileSize)) {
+            throw DeadlyImportError("File read error");
+        }
+
+        ConvertToUTF8(data);
+    }
+
+    // append a binary zero to simplify string parsing
+    data.push_back(0);
+}
+
+// ------------------------------------------------------------------------------------------------
+namespace Assimp {
+    // Represents an import request
+    struct LoadRequest {
+        LoadRequest(const std::string& _file, unsigned int _flags,const BatchLoader::PropertyMap* _map, unsigned int _id)
+        : file(_file)
+        , flags(_flags)
+        , refCnt(1)
+        , scene(NULL)
+        , loaded(false)
+        , id(_id) {
+            if ( _map ) {
+                map = *_map;
+            }
+        }
+
+        bool operator== ( const std::string& f ) const {
+            return file == f;
+        }
+
+        const std::string        file;
+        unsigned int             flags;
+        unsigned int             refCnt;
+        aiScene                 *scene;
+        bool                     loaded;
+        BatchLoader::PropertyMap map;
+        unsigned int             id;
+    };
+}
+
+// ------------------------------------------------------------------------------------------------
+// BatchLoader::pimpl data structure
+struct Assimp::BatchData {
+    BatchData( IOSystem* pIO, bool validate )
+    : pIOSystem( pIO )
+    , pImporter( nullptr )
+    , next_id(0xffff)
+    , validate( validate ) {
+        ai_assert( nullptr != pIO );
+        
+        pImporter = new Importer();
+        pImporter->SetIOHandler( pIO );
+    }
+
+    ~BatchData() {
+        pImporter->SetIOHandler( nullptr ); /* get pointer back into our possession */
+        delete pImporter;
+    }
+
+    // IO system to be used for all imports
+    IOSystem* pIOSystem;
+
+    // Importer used to load all meshes
+    Importer* pImporter;
+
+    // List of all imports
+    std::list<LoadRequest> requests;
+
+    // Base path
+    std::string pathBase;
+
+    // Id for next item
+    unsigned int next_id;
+
+    // Validation enabled state
+    bool validate;
+};
+
+typedef std::list<LoadRequest>::iterator LoadReqIt;
+
+// ------------------------------------------------------------------------------------------------
+BatchLoader::BatchLoader(IOSystem* pIO, bool validate ) {
+    ai_assert(nullptr != pIO);
+
+    m_data = new BatchData( pIO, validate );
+}
+
+// ------------------------------------------------------------------------------------------------
+BatchLoader::~BatchLoader()
+{
+    // delete all scenes what have not been polled by the user
+    for ( LoadReqIt it = m_data->requests.begin();it != m_data->requests.end(); ++it) {
+        delete (*it).scene;
+    }
+    delete m_data;
+}
+
+// ------------------------------------------------------------------------------------------------
+void BatchLoader::setValidation( bool enabled ) {
+    m_data->validate = enabled;
+}
+
+// ------------------------------------------------------------------------------------------------
+bool BatchLoader::getValidation() const {
+    return m_data->validate;
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int BatchLoader::AddLoadRequest(const std::string& file,
+    unsigned int steps /*= 0*/, const PropertyMap* map /*= NULL*/)
+{
+    ai_assert(!file.empty());
+
+    // check whether we have this loading request already
+    for ( LoadReqIt it = m_data->requests.begin();it != m_data->requests.end(); ++it)  {
+        // Call IOSystem's path comparison function here
+        if ( m_data->pIOSystem->ComparePaths((*it).file,file)) {
+            if (map) {
+                if ( !( ( *it ).map == *map ) ) {
+                    continue;
+                }
+            }
+            else if ( !( *it ).map.empty() ) {
+                continue;
+            }
+
+            (*it).refCnt++;
+            return (*it).id;
+        }
+    }
+
+    // no, we don't have it. So add it to the queue ...
+    m_data->requests.push_back(LoadRequest(file,steps,map, m_data->next_id));
+    return m_data->next_id++;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiScene* BatchLoader::GetImport( unsigned int which )
+{
+    for ( LoadReqIt it = m_data->requests.begin();it != m_data->requests.end(); ++it) {
+        if ((*it).id == which && (*it).loaded)  {
+            aiScene* sc = (*it).scene;
+            if (!(--(*it).refCnt))  {
+                m_data->requests.erase(it);
+            }
+            return sc;
+        }
+    }
+    return nullptr;
+}
+
+// ------------------------------------------------------------------------------------------------
+void BatchLoader::LoadAll()
+{
+    // no threaded implementation for the moment
+    for ( LoadReqIt it = m_data->requests.begin();it != m_data->requests.end(); ++it) {
+        // force validation in debug builds
+        unsigned int pp = (*it).flags;
+        if ( m_data->validate ) {
+            pp |= aiProcess_ValidateDataStructure;
+        }
+
+        // setup config properties if necessary
+        ImporterPimpl* pimpl = m_data->pImporter->Pimpl();
+        pimpl->mFloatProperties  = (*it).map.floats;
+        pimpl->mIntProperties    = (*it).map.ints;
+        pimpl->mStringProperties = (*it).map.strings;
+        pimpl->mMatrixProperties = (*it).map.matrices;
+
+        if (!DefaultLogger::isNullLogger())
+        {
+            ASSIMP_LOG_INFO("%%% BEGIN EXTERNAL FILE %%%");
+            ASSIMP_LOG_INFO_F("File: ", (*it).file);
+        }
+        m_data->pImporter->ReadFile((*it).file,pp);
+        (*it).scene = m_data->pImporter->GetOrphanedScene();
+        (*it).loaded = true;
+
+        ASSIMP_LOG_INFO("%%% END EXTERNAL FILE %%%");
+    }
+}
diff --git a/thirdparty/assimp/code/BaseProcess.cpp b/thirdparty/assimp/code/BaseProcess.cpp
new file mode 100644
index 0000000000..18872c3693
--- /dev/null
+++ b/thirdparty/assimp/code/BaseProcess.cpp
@@ -0,0 +1,107 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of BaseProcess */
+
+#include <assimp/BaseImporter.h>
+#include "BaseProcess.h"
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+#include "Importer.h"
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+BaseProcess::BaseProcess() AI_NO_EXCEPT
+: shared()
+, progress()
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+BaseProcess::~BaseProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+void BaseProcess::ExecuteOnScene( Importer* pImp)
+{
+    ai_assert(NULL != pImp && NULL != pImp->Pimpl()->mScene);
+
+    progress = pImp->GetProgressHandler();
+    ai_assert(progress);
+
+    SetupProperties( pImp );
+
+    // catch exceptions thrown inside the PostProcess-Step
+    try
+    {
+        Execute(pImp->Pimpl()->mScene);
+
+    } catch( const std::exception& err )    {
+
+        // extract error description
+        pImp->Pimpl()->mErrorString = err.what();
+        ASSIMP_LOG_ERROR(pImp->Pimpl()->mErrorString);
+
+        // and kill the partially imported data
+        delete pImp->Pimpl()->mScene;
+        pImp->Pimpl()->mScene = NULL;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void BaseProcess::SetupProperties(const Importer* /*pImp*/)
+{
+    // the default implementation does nothing
+}
+
+// ------------------------------------------------------------------------------------------------
+bool BaseProcess::RequireVerboseFormat() const
+{
+    return true;
+}
+
diff --git a/thirdparty/assimp/code/BaseProcess.h b/thirdparty/assimp/code/BaseProcess.h
new file mode 100644
index 0000000000..4d5c7a76be
--- /dev/null
+++ b/thirdparty/assimp/code/BaseProcess.h
@@ -0,0 +1,290 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Base class of all import post processing steps */
+#ifndef INCLUDED_AI_BASEPROCESS_H
+#define INCLUDED_AI_BASEPROCESS_H
+
+#include <map>
+#include <assimp/GenericProperty.h>
+
+struct aiScene;
+
+namespace Assimp    {
+
+class Importer;
+
+// ---------------------------------------------------------------------------
+/** Helper class to allow post-processing steps to interact with each other.
+ *
+ *  The class maintains a simple property list that can be used by pp-steps
+ *  to provide additional information to other steps. This is primarily
+ *  intended for cross-step optimizations.
+ */
+class SharedPostProcessInfo
+{
+public:
+
+    struct Base
+    {
+        virtual ~Base()
+        {}
+    };
+
+    //! Represents data that is allocated on the heap, thus needs to be deleted
+    template <typename T>
+    struct THeapData : public Base
+    {
+        explicit THeapData(T* in)
+            : data (in)
+        {}
+
+        ~THeapData()
+        {
+            delete data;
+        }
+        T* data;
+    };
+
+    //! Represents static, by-value data not allocated on the heap
+    template <typename T>
+    struct TStaticData : public Base
+    {
+        explicit TStaticData(T in)
+            : data (in)
+        {}
+
+        ~TStaticData()
+        {}
+
+        T data;
+    };
+
+    // some typedefs for cleaner code
+    typedef unsigned int KeyType;
+    typedef std::map<KeyType, Base*>  PropertyMap;
+
+public:
+
+    //! Destructor
+    ~SharedPostProcessInfo()
+    {
+        Clean();
+    }
+
+    //! Remove all stored properties from the table
+    void Clean()
+    {
+        // invoke the virtual destructor for all stored properties
+        for (PropertyMap::iterator it = pmap.begin(), end = pmap.end();
+             it != end; ++it)
+        {
+            delete (*it).second;
+        }
+        pmap.clear();
+    }
+
+    //! Add a heap property to the list
+    template <typename T>
+    void AddProperty( const char* name, T* in ){
+        AddProperty(name,(Base*)new THeapData<T>(in));
+    }
+
+    //! Add a static by-value property to the list
+    template <typename T>
+    void AddProperty( const char* name, T in ){
+        AddProperty(name,(Base*)new TStaticData<T>(in));
+    }
+
+
+    //! Get a heap property
+    template <typename T>
+    bool GetProperty( const char* name, T*& out ) const
+    {
+        THeapData<T>* t = (THeapData<T>*)GetPropertyInternal(name);
+        if(!t)
+        {
+            out = NULL;
+            return false;
+        }
+        out = t->data;
+        return true;
+    }
+
+    //! Get a static, by-value property
+    template <typename T>
+    bool GetProperty( const char* name, T& out ) const
+    {
+        TStaticData<T>* t = (TStaticData<T>*)GetPropertyInternal(name);
+        if(!t)return false;
+        out = t->data;
+        return true;
+    }
+
+    //! Remove a property of a specific type
+    void RemoveProperty( const char* name)  {
+        SetGenericPropertyPtr<Base>(pmap,name,NULL);
+    }
+
+private:
+
+    void AddProperty( const char* name, Base* data) {
+        SetGenericPropertyPtr<Base>(pmap,name,data);
+    }
+
+    Base* GetPropertyInternal( const char* name) const  {
+        return GetGenericProperty<Base*>(pmap,name,NULL);
+    }
+
+private:
+
+    //! Map of all stored properties
+    PropertyMap pmap;
+};
+
+#if 0
+
+// ---------------------------------------------------------------------------
+/** @brief Represents a dependency table for a postprocessing steps.
+ *
+ *  For future use.
+ */
+ struct PPDependencyTable
+ {
+     unsigned int execute_me_before_these;
+     unsigned int execute_me_after_these;
+     unsigned int only_if_these_are_not_specified;
+     unsigned int mutually_exclusive_with;
+ };
+
+#endif
+
+
+#define AI_SPP_SPATIAL_SORT "$Spat"
+
+// ---------------------------------------------------------------------------
+/** The BaseProcess defines a common interface for all post processing steps.
+ * A post processing step is run after a successful import if the caller
+ * specified the corresponding flag when calling ReadFile().
+ * Enum #aiPostProcessSteps defines which flags are available.
+ * After a successful import the Importer iterates over its internal array
+ * of processes and calls IsActive() on each process to evaluate if the step
+ * should be executed. If the function returns true, the class' Execute()
+ * function is called subsequently.
+ */
+class ASSIMP_API_WINONLY BaseProcess {
+    friend class Importer;
+
+public:
+    /** Constructor to be privately used by Importer */
+    BaseProcess() AI_NO_EXCEPT;
+
+    /** Destructor, private as well */
+    virtual ~BaseProcess();
+
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+     * @param pFlags The processing flags the importer was called with. A
+     *   bitwise combination of #aiPostProcessSteps.
+     * @return true if the process is present in this flag fields,
+     *   false if not.
+    */
+    virtual bool IsActive( unsigned int pFlags) const = 0;
+
+    // -------------------------------------------------------------------
+    /** Check whether this step expects its input vertex data to be
+     *  in verbose format. */
+    virtual bool RequireVerboseFormat() const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * The function deletes the scene if the postprocess step fails (
+    * the object pointer will be set to NULL).
+    * @param pImp Importer instance (pImp->mScene must be valid)
+    */
+    void ExecuteOnScene( Importer* pImp);
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    virtual void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * A process should throw an ImportErrorException* if it fails.
+    * This method must be implemented by deriving classes.
+    * @param pScene The imported data to work at.
+    */
+    virtual void Execute( aiScene* pScene) = 0;
+
+
+    // -------------------------------------------------------------------
+    /** Assign a new SharedPostProcessInfo to the step. This object
+     *  allows multiple postprocess steps to share data.
+     * @param sh May be NULL
+    */
+    inline void SetSharedData(SharedPostProcessInfo* sh)    {
+        shared = sh;
+    }
+
+    // -------------------------------------------------------------------
+    /** Get the shared data that is assigned to the step.
+    */
+    inline SharedPostProcessInfo* GetSharedData()   {
+        return shared;
+    }
+
+protected:
+
+    /** See the doc of #SharedPostProcessInfo for more details */
+    SharedPostProcessInfo* shared;
+
+    /** Currently active progress handler */
+    ProgressHandler* progress;
+};
+
+
+} // end of namespace Assimp
+
+#endif // AI_BASEPROCESS_H_INC
diff --git a/thirdparty/assimp/code/Bitmap.cpp b/thirdparty/assimp/code/Bitmap.cpp
new file mode 100644
index 0000000000..b22b71ea9e
--- /dev/null
+++ b/thirdparty/assimp/code/Bitmap.cpp
@@ -0,0 +1,155 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Bitmap.cpp
+ *  @brief Defines bitmap format helper for textures
+ *
+ * Used for file formats which embed their textures into the model file.
+ */
+
+
+#include <assimp/Bitmap.h>
+#include <assimp/texture.h>
+#include <assimp/IOStream.hpp>
+#include <assimp/ByteSwapper.h>
+
+namespace Assimp {
+
+    void Bitmap::Save(aiTexture* texture, IOStream* file) {
+        if(file != NULL) {
+            Header header;
+            DIB dib;
+
+            dib.size = DIB::dib_size;
+            dib.width = texture->mWidth;
+            dib.height = texture->mHeight;
+            dib.planes = 1;
+            dib.bits_per_pixel = 8 * mBytesPerPixel;
+            dib.compression = 0;
+            dib.image_size = (((dib.width * mBytesPerPixel) + 3) & 0x0000FFFC) * dib.height;
+            dib.x_resolution = 0;
+            dib.y_resolution = 0;
+            dib.nb_colors = 0;
+            dib.nb_important_colors = 0;
+
+            header.type = 0x4D42; // 'BM'
+            header.offset = Header::header_size + DIB::dib_size;
+            header.size = header.offset + dib.image_size;
+            header.reserved1 = 0;
+            header.reserved2 = 0;
+
+            WriteHeader(header, file);
+            WriteDIB(dib, file);
+            WriteData(texture, file);
+        }
+    }
+
+    template<typename T>
+    inline 
+    std::size_t Copy(uint8_t* data, const T &field) {
+#ifdef AI_BUILD_BIG_ENDIAN
+        T field_swapped=AI_BE(field);
+        std::memcpy(data, &field_swapped, sizeof(field)); return sizeof(field);
+#else
+        std::memcpy(data, &AI_BE(field), sizeof(field)); return sizeof(field);
+#endif
+    }
+
+    void Bitmap::WriteHeader(Header& header, IOStream* file) {
+        uint8_t data[Header::header_size];
+
+        std::size_t offset = 0;
+
+        offset += Copy(&data[offset], header.type);
+        offset += Copy(&data[offset], header.size);
+        offset += Copy(&data[offset], header.reserved1);
+        offset += Copy(&data[offset], header.reserved2);
+                  Copy(&data[offset], header.offset);
+
+        file->Write(data, Header::header_size, 1);
+    }
+
+    void Bitmap::WriteDIB(DIB& dib, IOStream* file) {
+        uint8_t data[DIB::dib_size];
+
+        std::size_t offset = 0;
+
+        offset += Copy(&data[offset], dib.size);
+        offset += Copy(&data[offset], dib.width);
+        offset += Copy(&data[offset], dib.height);
+        offset += Copy(&data[offset], dib.planes);
+        offset += Copy(&data[offset], dib.bits_per_pixel);
+        offset += Copy(&data[offset], dib.compression);
+        offset += Copy(&data[offset], dib.image_size);
+        offset += Copy(&data[offset], dib.x_resolution);
+        offset += Copy(&data[offset], dib.y_resolution);
+        offset += Copy(&data[offset], dib.nb_colors);
+                  Copy(&data[offset], dib.nb_important_colors);
+
+        file->Write(data, DIB::dib_size, 1);
+    }
+
+    void Bitmap::WriteData(aiTexture* texture, IOStream* file) {
+        static const std::size_t padding_offset = 4;
+        static const uint8_t padding_data[padding_offset] = {0x0, 0x0, 0x0, 0x0};
+
+        unsigned int padding = (padding_offset - ((mBytesPerPixel * texture->mWidth) % padding_offset)) % padding_offset;
+        uint8_t pixel[mBytesPerPixel];
+
+        for(std::size_t i = 0; i < texture->mHeight; ++i) {
+            for(std::size_t j = 0; j < texture->mWidth; ++j) {
+                const aiTexel& texel = texture->pcData[(texture->mHeight - i - 1) * texture->mWidth + j]; // Bitmap files are stored in bottom-up format
+
+                pixel[0] = texel.r;
+                pixel[1] = texel.g;
+                pixel[2] = texel.b;
+                pixel[3] = texel.a;
+
+                file->Write(pixel, mBytesPerPixel, 1);
+            }
+
+            file->Write(padding_data, padding, 1);
+        }
+    }
+
+}
diff --git a/thirdparty/assimp/code/CInterfaceIOWrapper.cpp b/thirdparty/assimp/code/CInterfaceIOWrapper.cpp
new file mode 100644
index 0000000000..5a3a49565a
--- /dev/null
+++ b/thirdparty/assimp/code/CInterfaceIOWrapper.cpp
@@ -0,0 +1,136 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file aiFileIO -> IOSystem wrapper*/
+
+#include "CInterfaceIOWrapper.h"
+
+namespace Assimp    {
+
+CIOStreamWrapper::~CIOStreamWrapper(void)
+{
+    /* Various places depend on this destructor to close the file */
+    if (mFile) {
+        mIO->mFileSystem->CloseProc(mIO->mFileSystem, mFile);
+        mFile = nullptr;
+    }
+}
+
+// ...................................................................
+size_t CIOStreamWrapper::Read(void* pvBuffer,
+    size_t pSize,
+    size_t pCount
+){
+    // need to typecast here as C has no void*
+    return mFile->ReadProc(mFile,(char*)pvBuffer,pSize,pCount);
+}
+
+// ...................................................................
+size_t CIOStreamWrapper::Write(const void* pvBuffer,
+    size_t pSize,
+    size_t pCount
+){
+    // need to typecast here as C has no void*
+    return mFile->WriteProc(mFile,(const char*)pvBuffer,pSize,pCount);
+}
+
+// ...................................................................
+aiReturn CIOStreamWrapper::Seek(size_t pOffset,
+    aiOrigin pOrigin
+){
+    return mFile->SeekProc(mFile,pOffset,pOrigin);
+}
+
+// ...................................................................
+size_t CIOStreamWrapper::Tell(void) const {
+    return mFile->TellProc(mFile);
+}
+
+// ...................................................................
+size_t CIOStreamWrapper::FileSize() const {
+    return mFile->FileSizeProc(mFile);
+}
+
+// ...................................................................
+void CIOStreamWrapper::Flush () {
+    return mFile->FlushProc(mFile);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Custom IOStream implementation for the C-API
+bool CIOSystemWrapper::Exists( const char* pFile) const {
+    aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,"rb");
+    if (p){
+        mFileSystem->CloseProc(mFileSystem,p);
+        return true;
+    }
+    return false;
+}
+
+// ...................................................................
+char CIOSystemWrapper::getOsSeparator() const {
+#ifndef _WIN32
+    return '/';
+#else
+    return '\\';
+#endif
+}
+
+// ...................................................................
+IOStream* CIOSystemWrapper::Open(const char* pFile,const char* pMode) {
+    aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,pMode);
+    if (!p) {
+        return NULL;
+    }
+    return new CIOStreamWrapper(p, this);
+}
+
+// ...................................................................
+void CIOSystemWrapper::Close( IOStream* pFile) {
+    if (!pFile) {
+        return;
+    }
+    delete pFile;
+}
+
+}
diff --git a/thirdparty/assimp/code/CInterfaceIOWrapper.h b/thirdparty/assimp/code/CInterfaceIOWrapper.h
new file mode 100644
index 0000000000..2162320302
--- /dev/null
+++ b/thirdparty/assimp/code/CInterfaceIOWrapper.h
@@ -0,0 +1,99 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file aiFileIO -> IOSystem wrapper*/
+
+#ifndef AI_CIOSYSTEM_H_INCLUDED
+#define AI_CIOSYSTEM_H_INCLUDED
+
+#include <assimp/cfileio.h>
+#include <assimp/IOStream.hpp>
+#include <assimp/IOSystem.hpp>
+
+namespace Assimp    {
+
+class CIOSystemWrapper;
+
+// ------------------------------------------------------------------------------------------------
+// Custom IOStream implementation for the C-API
+class CIOStreamWrapper : public IOStream
+{
+public:
+    explicit CIOStreamWrapper(aiFile* pFile, CIOSystemWrapper* io)
+        : mFile(pFile),
+        mIO(io)
+    {}
+    ~CIOStreamWrapper(void);
+
+    size_t Read(void* pvBuffer, size_t pSize, size_t pCount);
+    size_t Write(const void* pvBuffer, size_t pSize, size_t pCount);
+    aiReturn Seek(size_t pOffset, aiOrigin pOrigin);
+    size_t Tell(void) const;
+    size_t FileSize() const;
+    void Flush();
+
+private:
+    aiFile* mFile;
+    CIOSystemWrapper* mIO;
+};
+
+class CIOSystemWrapper : public IOSystem
+{
+    friend class CIOStreamWrapper;
+public:
+    explicit CIOSystemWrapper(aiFileIO* pFile)
+        : mFileSystem(pFile)
+    {}
+
+    bool Exists( const char* pFile) const;
+    char getOsSeparator() const;
+    IOStream* Open(const char* pFile,const char* pMode = "rb");
+    void Close( IOStream* pFile);
+private:
+    aiFileIO* mFileSystem;
+};
+
+}
+
+#endif
+
diff --git a/thirdparty/assimp/code/CalcTangentsProcess.cpp b/thirdparty/assimp/code/CalcTangentsProcess.cpp
new file mode 100644
index 0000000000..b30f39c274
--- /dev/null
+++ b/thirdparty/assimp/code/CalcTangentsProcess.cpp
@@ -0,0 +1,319 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to calculate
+ *  tangents and bitangents for all imported meshes
+ */
+
+// internal headers
+#include "CalcTangentsProcess.h"
+#include "ProcessHelper.h"
+#include <assimp/TinyFormatter.h>
+#include <assimp/qnan.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+CalcTangentsProcess::CalcTangentsProcess()
+: configMaxAngle( AI_DEG_TO_RAD(45.f) )
+, configSourceUV( 0 ) {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+CalcTangentsProcess::~CalcTangentsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool CalcTangentsProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_CalcTangentSpace) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void CalcTangentsProcess::SetupProperties(const Importer* pImp)
+{
+    ai_assert( NULL != pImp );
+
+    // get the current value of the property
+    configMaxAngle = pImp->GetPropertyFloat(AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE,45.f);
+    configMaxAngle = std::max(std::min(configMaxAngle,45.0f),0.0f);
+    configMaxAngle = AI_DEG_TO_RAD(configMaxAngle);
+
+    configSourceUV = pImp->GetPropertyInteger(AI_CONFIG_PP_CT_TEXTURE_CHANNEL_INDEX,0);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void CalcTangentsProcess::Execute( aiScene* pScene)
+{
+    ai_assert( NULL != pScene );
+
+    ASSIMP_LOG_DEBUG("CalcTangentsProcess begin");
+
+    bool bHas = false;
+    for ( unsigned int a = 0; a < pScene->mNumMeshes; a++ ) {
+        if(ProcessMesh( pScene->mMeshes[a],a))bHas = true;
+    }
+
+    if ( bHas ) {
+        ASSIMP_LOG_INFO("CalcTangentsProcess finished. Tangents have been calculated");
+    } else {
+        ASSIMP_LOG_DEBUG("CalcTangentsProcess finished");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Calculates tangents and bi-tangents for the given mesh
+bool CalcTangentsProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
+{
+    // we assume that the mesh is still in the verbose vertex format where each face has its own set
+    // of vertices and no vertices are shared between faces. Sadly I don't know any quick test to
+    // assert() it here.
+    // assert( must be verbose, dammit);
+
+    if (pMesh->mTangents) // this implies that mBitangents is also there
+        return false;
+
+    // If the mesh consists of lines and/or points but not of
+    // triangles or higher-order polygons the normal vectors
+    // are undefined.
+    if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))
+    {
+        ASSIMP_LOG_INFO("Tangents are undefined for line and point meshes");
+        return false;
+    }
+
+    // what we can check, though, is if the mesh has normals and texture coordinates. That's a requirement
+    if( pMesh->mNormals == NULL)
+    {
+        ASSIMP_LOG_ERROR("Failed to compute tangents; need normals");
+        return false;
+    }
+    if( configSourceUV >= AI_MAX_NUMBER_OF_TEXTURECOORDS || !pMesh->mTextureCoords[configSourceUV] )
+    {
+        ASSIMP_LOG_ERROR((Formatter::format("Failed to compute tangents; need UV data in channel"),configSourceUV));
+        return false;
+    }
+
+    const float angleEpsilon = 0.9999f;
+
+    std::vector<bool> vertexDone( pMesh->mNumVertices, false);
+    const float qnan = get_qnan();
+
+    // create space for the tangents and bitangents
+    pMesh->mTangents = new aiVector3D[pMesh->mNumVertices];
+    pMesh->mBitangents = new aiVector3D[pMesh->mNumVertices];
+
+    const aiVector3D* meshPos = pMesh->mVertices;
+    const aiVector3D* meshNorm = pMesh->mNormals;
+    const aiVector3D* meshTex = pMesh->mTextureCoords[configSourceUV];
+    aiVector3D* meshTang = pMesh->mTangents;
+    aiVector3D* meshBitang = pMesh->mBitangents;
+
+    // calculate the tangent and bitangent for every face
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++)
+    {
+        const aiFace& face = pMesh->mFaces[a];
+        if (face.mNumIndices < 3)
+        {
+            // There are less than three indices, thus the tangent vector
+            // is not defined. We are finished with these vertices now,
+            // their tangent vectors are set to qnan.
+            for (unsigned int i = 0; i < face.mNumIndices;++i)
+            {
+                unsigned int idx = face.mIndices[i];
+                vertexDone  [idx] = true;
+                meshTang    [idx] = aiVector3D(qnan);
+                meshBitang  [idx] = aiVector3D(qnan);
+            }
+
+            continue;
+        }
+
+        // triangle or polygon... we always use only the first three indices. A polygon
+        // is supposed to be planar anyways....
+        // FIXME: (thom) create correct calculation for multi-vertex polygons maybe?
+        const unsigned int p0 = face.mIndices[0], p1 = face.mIndices[1], p2 = face.mIndices[2];
+
+        // position differences p1->p2 and p1->p3
+        aiVector3D v = meshPos[p1] - meshPos[p0], w = meshPos[p2] - meshPos[p0];
+
+        // texture offset p1->p2 and p1->p3
+        float sx = meshTex[p1].x - meshTex[p0].x, sy = meshTex[p1].y - meshTex[p0].y;
+        float tx = meshTex[p2].x - meshTex[p0].x, ty = meshTex[p2].y - meshTex[p0].y;
+        float dirCorrection = (tx * sy - ty * sx) < 0.0f ? -1.0f : 1.0f;
+        // when t1, t2, t3 in same position in UV space, just use default UV direction.
+        if (  sx * ty == sy * tx ) {
+            sx = 0.0; sy = 1.0;
+            tx = 1.0; ty = 0.0;
+        }
+
+        // tangent points in the direction where to positive X axis of the texture coord's would point in model space
+        // bitangent's points along the positive Y axis of the texture coord's, respectively
+        aiVector3D tangent, bitangent;
+        tangent.x = (w.x * sy - v.x * ty) * dirCorrection;
+        tangent.y = (w.y * sy - v.y * ty) * dirCorrection;
+        tangent.z = (w.z * sy - v.z * ty) * dirCorrection;
+        bitangent.x = (w.x * sx - v.x * tx) * dirCorrection;
+        bitangent.y = (w.y * sx - v.y * tx) * dirCorrection;
+        bitangent.z = (w.z * sx - v.z * tx) * dirCorrection;
+
+        // store for every vertex of that face
+        for( unsigned int b = 0; b < face.mNumIndices; ++b ) {
+            unsigned int p = face.mIndices[b];
+
+            // project tangent and bitangent into the plane formed by the vertex' normal
+            aiVector3D localTangent = tangent - meshNorm[p] * (tangent * meshNorm[p]);
+            aiVector3D localBitangent = bitangent - meshNorm[p] * (bitangent * meshNorm[p]);
+            localTangent.Normalize(); localBitangent.Normalize();
+
+            // reconstruct tangent/bitangent according to normal and bitangent/tangent when it's infinite or NaN.
+            bool invalid_tangent = is_special_float(localTangent.x) || is_special_float(localTangent.y) || is_special_float(localTangent.z);
+            bool invalid_bitangent = is_special_float(localBitangent.x) || is_special_float(localBitangent.y) || is_special_float(localBitangent.z);
+            if (invalid_tangent != invalid_bitangent) {
+                if (invalid_tangent) {
+                    localTangent = meshNorm[p] ^ localBitangent;
+                    localTangent.Normalize();
+                } else {
+                    localBitangent = localTangent ^ meshNorm[p];
+                    localBitangent.Normalize();
+                }
+            }
+
+            // and write it into the mesh.
+            meshTang[ p ]   = localTangent;
+            meshBitang[ p ] = localBitangent;
+        }
+    }
+
+
+    // create a helper to quickly find locally close vertices among the vertex array
+    // FIX: check whether we can reuse the SpatialSort of a previous step
+    SpatialSort* vertexFinder = NULL;
+    SpatialSort  _vertexFinder;
+    float posEpsilon;
+    if (shared)
+    {
+        std::vector<std::pair<SpatialSort,float> >* avf;
+        shared->GetProperty(AI_SPP_SPATIAL_SORT,avf);
+        if (avf)
+        {
+            std::pair<SpatialSort,float>& blubb = avf->operator [] (meshIndex);
+            vertexFinder = &blubb.first;
+            posEpsilon = blubb.second;;
+        }
+    }
+    if (!vertexFinder)
+    {
+        _vertexFinder.Fill(pMesh->mVertices, pMesh->mNumVertices, sizeof( aiVector3D));
+        vertexFinder = &_vertexFinder;
+        posEpsilon = ComputePositionEpsilon(pMesh);
+    }
+    std::vector<unsigned int> verticesFound;
+
+    const float fLimit = std::cos(configMaxAngle);
+    std::vector<unsigned int> closeVertices;
+
+    // in the second pass we now smooth out all tangents and bitangents at the same local position
+    // if they are not too far off.
+    for( unsigned int a = 0; a < pMesh->mNumVertices; a++)
+    {
+        if( vertexDone[a])
+            continue;
+
+        const aiVector3D& origPos = pMesh->mVertices[a];
+        const aiVector3D& origNorm = pMesh->mNormals[a];
+        const aiVector3D& origTang = pMesh->mTangents[a];
+        const aiVector3D& origBitang = pMesh->mBitangents[a];
+        closeVertices.resize( 0 );
+
+        // find all vertices close to that position
+        vertexFinder->FindPositions( origPos, posEpsilon, verticesFound);
+
+        closeVertices.reserve (verticesFound.size()+5);
+        closeVertices.push_back( a);
+
+        // look among them for other vertices sharing the same normal and a close-enough tangent/bitangent
+        for( unsigned int b = 0; b < verticesFound.size(); b++)
+        {
+            unsigned int idx = verticesFound[b];
+            if( vertexDone[idx])
+                continue;
+            if( meshNorm[idx] * origNorm < angleEpsilon)
+                continue;
+            if(  meshTang[idx] * origTang < fLimit)
+                continue;
+            if( meshBitang[idx] * origBitang < fLimit)
+                continue;
+
+            // it's similar enough -> add it to the smoothing group
+            closeVertices.push_back( idx);
+            vertexDone[idx] = true;
+        }
+
+        // smooth the tangents and bitangents of all vertices that were found to be close enough
+        aiVector3D smoothTangent( 0, 0, 0), smoothBitangent( 0, 0, 0);
+        for( unsigned int b = 0; b < closeVertices.size(); ++b)
+        {
+            smoothTangent += meshTang[ closeVertices[b] ];
+            smoothBitangent += meshBitang[ closeVertices[b] ];
+        }
+        smoothTangent.Normalize();
+        smoothBitangent.Normalize();
+
+        // and write it back into all affected tangents
+        for( unsigned int b = 0; b < closeVertices.size(); ++b)
+        {
+            meshTang[ closeVertices[b] ] = smoothTangent;
+            meshBitang[ closeVertices[b] ] = smoothBitangent;
+        }
+    }
+    return true;
+}
diff --git a/thirdparty/assimp/code/CalcTangentsProcess.h b/thirdparty/assimp/code/CalcTangentsProcess.h
new file mode 100644
index 0000000000..18775abcc7
--- /dev/null
+++ b/thirdparty/assimp/code/CalcTangentsProcess.h
@@ -0,0 +1,117 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+
+/** @file Defines a post processing step to calculate tangents and
+    bitangents on all imported meshes.*/
+#ifndef AI_CALCTANGENTSPROCESS_H_INC
+#define AI_CALCTANGENTSPROCESS_H_INC
+
+#include "BaseProcess.h"
+
+struct aiMesh;
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The CalcTangentsProcess calculates the tangent and bitangent for any vertex
+ * of all meshes. It is expected to be run before the JoinVerticesProcess runs
+ * because the joining of vertices also considers tangents and bitangents for
+ * uniqueness.
+ */
+class ASSIMP_API_WINONLY CalcTangentsProcess : public BaseProcess
+{
+public:
+
+    CalcTangentsProcess();
+    ~CalcTangentsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with.
+    *   A bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    void SetupProperties(const Importer* pImp);
+
+
+    // setter for configMaxAngle
+    inline void SetMaxSmoothAngle(float f)
+    {
+        configMaxAngle =f;
+    }
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Calculates tangents and bitangents for a specific mesh.
+    * @param pMesh The mesh to process.
+    * @param meshIndex Index of the mesh
+    */
+    bool ProcessMesh( aiMesh* pMesh, unsigned int meshIndex);
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+private:
+
+    /** Configuration option: maximum smoothing angle, in radians*/
+    float configMaxAngle;
+    unsigned int configSourceUV;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_CALCTANGENTSPROCESS_H_INC
diff --git a/thirdparty/assimp/code/ComputeUVMappingProcess.cpp b/thirdparty/assimp/code/ComputeUVMappingProcess.cpp
new file mode 100644
index 0000000000..bb571a551b
--- /dev/null
+++ b/thirdparty/assimp/code/ComputeUVMappingProcess.cpp
@@ -0,0 +1,506 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file GenUVCoords step */
+
+
+#include "ComputeUVMappingProcess.h"
+#include "ProcessHelper.h"
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+namespace {
+
+    const static aiVector3D base_axis_y(0.0,1.0,0.0);
+    const static aiVector3D base_axis_x(1.0,0.0,0.0);
+    const static aiVector3D base_axis_z(0.0,0.0,1.0);
+    const static ai_real angle_epsilon = ai_real( 0.95 );
+}
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+ComputeUVMappingProcess::ComputeUVMappingProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+ComputeUVMappingProcess::~ComputeUVMappingProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool ComputeUVMappingProcess::IsActive( unsigned int pFlags) const
+{
+    return  (pFlags & aiProcess_GenUVCoords) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Check whether a ray intersects a plane and find the intersection point
+inline bool PlaneIntersect(const aiRay& ray, const aiVector3D& planePos,
+    const aiVector3D& planeNormal, aiVector3D& pos)
+{
+    const ai_real b = planeNormal * (planePos - ray.pos);
+    ai_real h = ray.dir * planeNormal;
+    if ((h < 10e-5 && h > -10e-5) || (h = b/h) < 0)
+        return false;
+
+    pos = ray.pos + (ray.dir * h);
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Find the first empty UV channel in a mesh
+inline unsigned int FindEmptyUVChannel (aiMesh* mesh)
+{
+    for (unsigned int m = 0; m < AI_MAX_NUMBER_OF_TEXTURECOORDS;++m)
+        if (!mesh->mTextureCoords[m])return m;
+
+    ASSIMP_LOG_ERROR("Unable to compute UV coordinates, no free UV slot found");
+    return UINT_MAX;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Try to remove UV seams
+void RemoveUVSeams (aiMesh* mesh, aiVector3D* out)
+{
+    // TODO: just a very rough algorithm. I think it could be done
+    // much easier, but I don't know how and am currently too tired to
+    // to think about a better solution.
+
+    const static ai_real LOWER_LIMIT = ai_real( 0.1 );
+    const static ai_real UPPER_LIMIT = ai_real( 0.9 );
+
+    const static ai_real LOWER_EPSILON = ai_real( 10e-3 );
+    const static ai_real UPPER_EPSILON = ai_real( 1.0-10e-3 );
+
+    for (unsigned int fidx = 0; fidx < mesh->mNumFaces;++fidx)
+    {
+        const aiFace& face = mesh->mFaces[fidx];
+        if (face.mNumIndices < 3) continue; // triangles and polygons only, please
+
+        unsigned int small = face.mNumIndices, large = small;
+        bool zero = false, one = false, round_to_zero = false;
+
+        // Check whether this face lies on a UV seam. We can just guess,
+        // but the assumption that a face with at least one very small
+        // on the one side and one very large U coord on the other side
+        // lies on a UV seam should work for most cases.
+        for (unsigned int n = 0; n < face.mNumIndices;++n)
+        {
+            if (out[face.mIndices[n]].x < LOWER_LIMIT)
+            {
+                small = n;
+
+                // If we have a U value very close to 0 we can't
+                // round the others to 0, too.
+                if (out[face.mIndices[n]].x <= LOWER_EPSILON)
+                    zero = true;
+                else round_to_zero = true;
+            }
+            if (out[face.mIndices[n]].x > UPPER_LIMIT)
+            {
+                large = n;
+
+                // If we have a U value very close to 1 we can't
+                // round the others to 1, too.
+                if (out[face.mIndices[n]].x >= UPPER_EPSILON)
+                    one = true;
+            }
+        }
+        if (small != face.mNumIndices && large != face.mNumIndices)
+        {
+            for (unsigned int n = 0; n < face.mNumIndices;++n)
+            {
+                // If the u value is over the upper limit and no other u
+                // value of that face is 0, round it to 0
+                if (out[face.mIndices[n]].x > UPPER_LIMIT && !zero)
+                    out[face.mIndices[n]].x = 0.0;
+
+                // If the u value is below the lower limit and no other u
+                // value of that face is 1, round it to 1
+                else if (out[face.mIndices[n]].x < LOWER_LIMIT && !one)
+                    out[face.mIndices[n]].x = 1.0;
+
+                // The face contains both 0 and 1 as UV coords. This can occur
+                // for faces which have an edge that lies directly on the seam.
+                // Due to numerical inaccuracies one U coord becomes 0, the
+                // other 1. But we do still have a third UV coord to determine
+                // to which side we must round to.
+                else if (one && zero)
+                {
+                    if (round_to_zero && out[face.mIndices[n]].x >=  UPPER_EPSILON)
+                        out[face.mIndices[n]].x = 0.0;
+                    else if (!round_to_zero && out[face.mIndices[n]].x <= LOWER_EPSILON)
+                        out[face.mIndices[n]].x = 1.0;
+                }
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ComputeUVMappingProcess::ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis, aiVector3D* out)
+{
+    aiVector3D center, min, max;
+    FindMeshCenter(mesh, center, min, max);
+
+    // If the axis is one of x,y,z run a faster code path. It's worth the extra effort ...
+    // currently the mapping axis will always be one of x,y,z, except if the
+    // PretransformVertices step is used (it transforms the meshes into worldspace,
+    // thus changing the mapping axis)
+    if (axis * base_axis_x >= angle_epsilon)    {
+
+        // For each point get a normalized projection vector in the sphere,
+        // get its longitude and latitude and map them to their respective
+        // UV axes. Problems occur around the poles ... unsolvable.
+        //
+        // The spherical coordinate system looks like this:
+        // x = cos(lon)*cos(lat)
+        // y = sin(lon)*cos(lat)
+        // z = sin(lat)
+        //
+        // Thus we can derive:
+        // lat  = arcsin (z)
+        // lon  = arctan (y/x)
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D diff = (mesh->mVertices[pnt]-center).Normalize();
+            out[pnt] = aiVector3D((std::atan2(diff.z, diff.y) + AI_MATH_PI_F ) / AI_MATH_TWO_PI_F,
+                (std::asin  (diff.x) + AI_MATH_HALF_PI_F) / AI_MATH_PI_F, 0.0);
+        }
+    }
+    else if (axis * base_axis_y >= angle_epsilon)   {
+        // ... just the same again
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D diff = (mesh->mVertices[pnt]-center).Normalize();
+            out[pnt] = aiVector3D((std::atan2(diff.x, diff.z) + AI_MATH_PI_F ) / AI_MATH_TWO_PI_F,
+                (std::asin  (diff.y) + AI_MATH_HALF_PI_F) / AI_MATH_PI_F, 0.0);
+        }
+    }
+    else if (axis * base_axis_z >= angle_epsilon)   {
+        // ... just the same again
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D diff = (mesh->mVertices[pnt]-center).Normalize();
+            out[pnt] = aiVector3D((std::atan2(diff.y, diff.x) + AI_MATH_PI_F ) / AI_MATH_TWO_PI_F,
+                (std::asin  (diff.z) + AI_MATH_HALF_PI_F) / AI_MATH_PI_F, 0.0);
+        }
+    }
+    // slower code path in case the mapping axis is not one of the coordinate system axes
+    else    {
+        aiMatrix4x4 mTrafo;
+        aiMatrix4x4::FromToMatrix(axis,base_axis_y,mTrafo);
+
+        // again the same, except we're applying a transformation now
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D diff = ((mTrafo*mesh->mVertices[pnt])-center).Normalize();
+            out[pnt] = aiVector3D((std::atan2(diff.y, diff.x) + AI_MATH_PI_F ) / AI_MATH_TWO_PI_F,
+                (std::asin(diff.z) + AI_MATH_HALF_PI_F) / AI_MATH_PI_F, 0.0);
+        }
+    }
+
+
+    // Now find and remove UV seams. A seam occurs if a face has a tcoord
+    // close to zero on the one side, and a tcoord close to one on the
+    // other side.
+    RemoveUVSeams(mesh,out);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ComputeUVMappingProcess::ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis, aiVector3D* out)
+{
+    aiVector3D center, min, max;
+
+    // If the axis is one of x,y,z run a faster code path. It's worth the extra effort ...
+    // currently the mapping axis will always be one of x,y,z, except if the
+    // PretransformVertices step is used (it transforms the meshes into worldspace,
+    // thus changing the mapping axis)
+    if (axis * base_axis_x >= angle_epsilon)    {
+        FindMeshCenter(mesh, center, min, max);
+        const ai_real diff = max.x - min.x;
+
+        // If the main axis is 'z', the z coordinate of a point 'p' is mapped
+        // directly to the texture V axis. The other axis is derived from
+        // the angle between ( p.x - c.x, p.y - c.y ) and (1,0), where
+        // 'c' is the center point of the mesh.
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            aiVector3D& uv  = out[pnt];
+
+            uv.y = (pos.x - min.x) / diff;
+            uv.x = (std::atan2( pos.z - center.z, pos.y - center.y) +(ai_real)AI_MATH_PI ) / (ai_real)AI_MATH_TWO_PI;
+        }
+    }
+    else if (axis * base_axis_y >= angle_epsilon)   {
+        FindMeshCenter(mesh, center, min, max);
+        const ai_real diff = max.y - min.y;
+
+        // just the same ...
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            aiVector3D& uv  = out[pnt];
+
+            uv.y = (pos.y - min.y) / diff;
+            uv.x = (std::atan2( pos.x - center.x, pos.z - center.z) +(ai_real)AI_MATH_PI ) / (ai_real)AI_MATH_TWO_PI;
+        }
+    }
+    else if (axis * base_axis_z >= angle_epsilon)   {
+        FindMeshCenter(mesh, center, min, max);
+        const ai_real diff = max.z - min.z;
+
+        // just the same ...
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            aiVector3D& uv  = out[pnt];
+
+            uv.y = (pos.z - min.z) / diff;
+            uv.x = (std::atan2( pos.y - center.y, pos.x - center.x) +(ai_real)AI_MATH_PI ) / (ai_real)AI_MATH_TWO_PI;
+        }
+    }
+    // slower code path in case the mapping axis is not one of the coordinate system axes
+    else {
+        aiMatrix4x4 mTrafo;
+        aiMatrix4x4::FromToMatrix(axis,base_axis_y,mTrafo);
+        FindMeshCenterTransformed(mesh, center, min, max,mTrafo);
+        const ai_real diff = max.y - min.y;
+
+        // again the same, except we're applying a transformation now
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt){
+            const aiVector3D pos = mTrafo* mesh->mVertices[pnt];
+            aiVector3D& uv  = out[pnt];
+
+            uv.y = (pos.y - min.y) / diff;
+            uv.x = (std::atan2( pos.x - center.x, pos.z - center.z) +(ai_real)AI_MATH_PI ) / (ai_real)AI_MATH_TWO_PI;
+        }
+    }
+
+    // Now find and remove UV seams. A seam occurs if a face has a tcoord
+    // close to zero on the one side, and a tcoord close to one on the
+    // other side.
+    RemoveUVSeams(mesh,out);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ComputeUVMappingProcess::ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis, aiVector3D* out)
+{
+    ai_real diffu,diffv;
+    aiVector3D center, min, max;
+
+    // If the axis is one of x,y,z run a faster code path. It's worth the extra effort ...
+    // currently the mapping axis will always be one of x,y,z, except if the
+    // PretransformVertices step is used (it transforms the meshes into worldspace,
+    // thus changing the mapping axis)
+    if (axis * base_axis_x >= angle_epsilon)    {
+        FindMeshCenter(mesh, center, min, max);
+        diffu = max.z - min.z;
+        diffv = max.y - min.y;
+
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            out[pnt].Set((pos.z - min.z) / diffu,(pos.y - min.y) / diffv,0.0);
+        }
+    }
+    else if (axis * base_axis_y >= angle_epsilon)   {
+        FindMeshCenter(mesh, center, min, max);
+        diffu = max.x - min.x;
+        diffv = max.z - min.z;
+
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            out[pnt].Set((pos.x - min.x) / diffu,(pos.z - min.z) / diffv,0.0);
+        }
+    }
+    else if (axis * base_axis_z >= angle_epsilon)   {
+        FindMeshCenter(mesh, center, min, max);
+        diffu = max.y - min.y;
+        diffv = max.z - min.z;
+
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D& pos = mesh->mVertices[pnt];
+            out[pnt].Set((pos.y - min.y) / diffu,(pos.x - min.x) / diffv,0.0);
+        }
+    }
+    // slower code path in case the mapping axis is not one of the coordinate system axes
+    else
+    {
+        aiMatrix4x4 mTrafo;
+        aiMatrix4x4::FromToMatrix(axis,base_axis_y,mTrafo);
+        FindMeshCenterTransformed(mesh, center, min, max,mTrafo);
+        diffu = max.x - min.x;
+        diffv = max.z - min.z;
+
+        // again the same, except we're applying a transformation now
+        for (unsigned int pnt = 0; pnt < mesh->mNumVertices;++pnt)  {
+            const aiVector3D pos = mTrafo * mesh->mVertices[pnt];
+            out[pnt].Set((pos.x - min.x) / diffu,(pos.z - min.z) / diffv,0.0);
+        }
+    }
+
+    // shouldn't be necessary to remove UV seams ...
+}
+
+// ------------------------------------------------------------------------------------------------
+void ComputeUVMappingProcess::ComputeBoxMapping( aiMesh*, aiVector3D* )
+{
+    ASSIMP_LOG_ERROR("Mapping type currently not implemented");
+}
+
+// ------------------------------------------------------------------------------------------------
+void ComputeUVMappingProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("GenUVCoordsProcess begin");
+    char buffer[1024];
+
+    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT)
+        throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
+
+    std::list<MappingInfo> mappingStack;
+
+    /*  Iterate through all materials and search for non-UV mapped textures
+     */
+    for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
+    {
+        mappingStack.clear();
+        aiMaterial* mat = pScene->mMaterials[i];
+        for (unsigned int a = 0; a < mat->mNumProperties;++a)
+        {
+            aiMaterialProperty* prop = mat->mProperties[a];
+            if (!::strcmp( prop->mKey.data, "$tex.mapping"))
+            {
+                aiTextureMapping& mapping = *((aiTextureMapping*)prop->mData);
+                if (aiTextureMapping_UV != mapping)
+                {
+                    if (!DefaultLogger::isNullLogger())
+                    {
+                        ai_snprintf(buffer, 1024, "Found non-UV mapped texture (%s,%u). Mapping type: %s",
+                            TextureTypeToString((aiTextureType)prop->mSemantic),prop->mIndex,
+                            MappingTypeToString(mapping));
+
+                        ASSIMP_LOG_INFO(buffer);
+                    }
+
+                    if (aiTextureMapping_OTHER == mapping)
+                        continue;
+
+                    MappingInfo info (mapping);
+
+                    // Get further properties - currently only the major axis
+                    for (unsigned int a2 = 0; a2 < mat->mNumProperties;++a2)
+                    {
+                        aiMaterialProperty* prop2 = mat->mProperties[a2];
+                        if (prop2->mSemantic != prop->mSemantic || prop2->mIndex != prop->mIndex)
+                            continue;
+
+                        if ( !::strcmp( prop2->mKey.data, "$tex.mapaxis"))  {
+                            info.axis = *((aiVector3D*)prop2->mData);
+                            break;
+                        }
+                    }
+
+                    unsigned int idx( 99999999 );
+
+                    // Check whether we have this mapping mode already
+                    std::list<MappingInfo>::iterator it = std::find (mappingStack.begin(),mappingStack.end(), info);
+                    if (mappingStack.end() != it)
+                    {
+                        idx = (*it).uv;
+                    }
+                    else
+                    {
+                        /*  We have found a non-UV mapped texture. Now
+                        *   we need to find all meshes using this material
+                        *   that we can compute UV channels for them.
+                        */
+                        for (unsigned int m = 0; m < pScene->mNumMeshes;++m)
+                        {
+                            aiMesh* mesh = pScene->mMeshes[m];
+                            unsigned int outIdx = 0;
+                            if ( mesh->mMaterialIndex != i || ( outIdx = FindEmptyUVChannel(mesh) ) == UINT_MAX ||
+                                !mesh->mNumVertices)
+                            {
+                                continue;
+                            }
+
+                            // Allocate output storage
+                            aiVector3D* p = mesh->mTextureCoords[outIdx] = new aiVector3D[mesh->mNumVertices];
+
+                            switch (mapping)
+                            {
+                            case aiTextureMapping_SPHERE:
+                                ComputeSphereMapping(mesh,info.axis,p);
+                                break;
+                            case aiTextureMapping_CYLINDER:
+                                ComputeCylinderMapping(mesh,info.axis,p);
+                                break;
+                            case aiTextureMapping_PLANE:
+                                ComputePlaneMapping(mesh,info.axis,p);
+                                break;
+                            case aiTextureMapping_BOX:
+                                ComputeBoxMapping(mesh,p);
+                                break;
+                            default:
+                                ai_assert(false);
+                            }
+                            if (m && idx != outIdx)
+                            {
+                                ASSIMP_LOG_WARN("UV index mismatch. Not all meshes assigned to "
+                                    "this material have equal numbers of UV channels. The UV index stored in  "
+                                    "the material structure does therefore not apply for all meshes. ");
+                            }
+                            idx = outIdx;
+                        }
+                        info.uv = idx;
+                        mappingStack.push_back(info);
+                    }
+
+                    // Update the material property list
+                    mapping = aiTextureMapping_UV;
+                    ((aiMaterial*)mat)->AddProperty(&idx,1,AI_MATKEY_UVWSRC(prop->mSemantic,prop->mIndex));
+                }
+            }
+        }
+    }
+    ASSIMP_LOG_DEBUG("GenUVCoordsProcess finished");
+}
diff --git a/thirdparty/assimp/code/ComputeUVMappingProcess.h b/thirdparty/assimp/code/ComputeUVMappingProcess.h
new file mode 100644
index 0000000000..24f6bb7218
--- /dev/null
+++ b/thirdparty/assimp/code/ComputeUVMappingProcess.h
@@ -0,0 +1,148 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to compute UV coordinates
+  from abstract mappings, such as box or spherical*/
+#ifndef AI_COMPUTEUVMAPPING_H_INC
+#define AI_COMPUTEUVMAPPING_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+#include <assimp/material.h>
+#include <assimp/types.h>
+
+class ComputeUVMappingTest;
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** ComputeUVMappingProcess - converts special mappings, such as spherical,
+ *  cylindrical or boxed to proper UV coordinates for rendering.
+*/
+class ComputeUVMappingProcess : public BaseProcess
+{
+public:
+    ComputeUVMappingProcess();
+    ~ComputeUVMappingProcess();
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Computes spherical UV coordinates for a mesh
+     *
+     *  @param mesh Mesh to be processed
+     *  @param axis Main axis
+     *  @param out Receives output UV coordinates
+    */
+    void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis,
+        aiVector3D* out);
+
+    // -------------------------------------------------------------------
+    /** Computes cylindrical UV coordinates for a mesh
+     *
+     *  @param mesh Mesh to be processed
+     *  @param axis Main axis
+     *  @param out Receives output UV coordinates
+    */
+    void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis,
+        aiVector3D* out);
+
+    // -------------------------------------------------------------------
+    /** Computes planar UV coordinates for a mesh
+     *
+     *  @param mesh Mesh to be processed
+     *  @param axis Main axis
+     *  @param out Receives output UV coordinates
+    */
+    void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis,
+        aiVector3D* out);
+
+    // -------------------------------------------------------------------
+    /** Computes cubic UV coordinates for a mesh
+     *
+     *  @param mesh Mesh to be processed
+     *  @param out Receives output UV coordinates
+    */
+    void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out);
+
+private:
+
+    // temporary structure to describe a mapping
+    struct MappingInfo
+    {
+        explicit MappingInfo(aiTextureMapping _type)
+            : type  (_type)
+            , axis  (0.f,1.f,0.f)
+            , uv    (0u)
+        {}
+
+        aiTextureMapping type;
+        aiVector3D axis;
+        unsigned int uv;
+
+        bool operator== (const MappingInfo& other)
+        {
+            return type == other.type && axis == other.axis;
+        }
+    };
+};
+
+} // end of namespace Assimp
+
+#endif // AI_COMPUTEUVMAPPING_H_INC
diff --git a/thirdparty/assimp/code/ConvertToLHProcess.cpp b/thirdparty/assimp/code/ConvertToLHProcess.cpp
new file mode 100644
index 0000000000..b7cd4f0bc6
--- /dev/null
+++ b/thirdparty/assimp/code/ConvertToLHProcess.cpp
@@ -0,0 +1,414 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  MakeLeftHandedProcess.cpp
+ *  @brief Implementation of the post processing step to convert all
+ *  imported data to a left-handed coordinate system.
+ *
+ *  Face order & UV flip are also implemented here, for the sake of a
+ *  better location.
+ */
+
+
+#include "ConvertToLHProcess.h"
+#include <assimp/scene.h>
+#include <assimp/postprocess.h>
+#include <assimp/DefaultLogger.hpp>
+
+using namespace Assimp;
+
+#ifndef ASSIMP_BUILD_NO_MAKELEFTHANDED_PROCESS
+
+namespace {
+
+template <typename aiMeshType>
+void flipUVs(aiMeshType* pMesh) {
+    if (pMesh == nullptr) { return; }
+    // mirror texture y coordinate
+    for (unsigned int tcIdx = 0; tcIdx < AI_MAX_NUMBER_OF_TEXTURECOORDS; tcIdx++) {
+        if (!pMesh->HasTextureCoords(tcIdx)) {
+            break;
+        }
+
+        for (unsigned int vIdx = 0; vIdx < pMesh->mNumVertices; vIdx++) {
+            pMesh->mTextureCoords[tcIdx][vIdx].y = 1.0f - pMesh->mTextureCoords[tcIdx][vIdx].y;
+        }
+    }
+}
+
+} // namespace
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+MakeLeftHandedProcess::MakeLeftHandedProcess()
+: BaseProcess() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+MakeLeftHandedProcess::~MakeLeftHandedProcess() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool MakeLeftHandedProcess::IsActive( unsigned int pFlags) const
+{
+    return 0 != (pFlags & aiProcess_MakeLeftHanded);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void MakeLeftHandedProcess::Execute( aiScene* pScene)
+{
+    // Check for an existent root node to proceed
+    ai_assert(pScene->mRootNode != NULL);
+    ASSIMP_LOG_DEBUG("MakeLeftHandedProcess begin");
+
+    // recursively convert all the nodes
+    ProcessNode( pScene->mRootNode, aiMatrix4x4());
+
+    // process the meshes accordingly
+    for ( unsigned int a = 0; a < pScene->mNumMeshes; ++a ) {
+        ProcessMesh( pScene->mMeshes[ a ] );
+    }
+
+    // process the materials accordingly
+    for ( unsigned int a = 0; a < pScene->mNumMaterials; ++a ) {
+        ProcessMaterial( pScene->mMaterials[ a ] );
+    }
+
+    // transform all animation channels as well
+    for( unsigned int a = 0; a < pScene->mNumAnimations; a++)
+    {
+        aiAnimation* anim = pScene->mAnimations[a];
+        for( unsigned int b = 0; b < anim->mNumChannels; b++)
+        {
+            aiNodeAnim* nodeAnim = anim->mChannels[b];
+            ProcessAnimation( nodeAnim);
+        }
+    }
+    ASSIMP_LOG_DEBUG("MakeLeftHandedProcess finished");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Recursively converts a node, all of its children and all of its meshes
+void MakeLeftHandedProcess::ProcessNode( aiNode* pNode, const aiMatrix4x4& pParentGlobalRotation)
+{
+    // mirror all base vectors at the local Z axis
+    pNode->mTransformation.c1 = -pNode->mTransformation.c1;
+    pNode->mTransformation.c2 = -pNode->mTransformation.c2;
+    pNode->mTransformation.c3 = -pNode->mTransformation.c3;
+    pNode->mTransformation.c4 = -pNode->mTransformation.c4;
+
+    // now invert the Z axis again to keep the matrix determinant positive.
+    // The local meshes will be inverted accordingly so that the result should look just fine again.
+    pNode->mTransformation.a3 = -pNode->mTransformation.a3;
+    pNode->mTransformation.b3 = -pNode->mTransformation.b3;
+    pNode->mTransformation.c3 = -pNode->mTransformation.c3;
+    pNode->mTransformation.d3 = -pNode->mTransformation.d3; // useless, but anyways...
+
+    // continue for all children
+    for( size_t a = 0; a < pNode->mNumChildren; ++a ) {
+        ProcessNode( pNode->mChildren[ a ], pParentGlobalRotation * pNode->mTransformation );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts a single mesh to left handed coordinates.
+void MakeLeftHandedProcess::ProcessMesh( aiMesh* pMesh) {
+    if ( nullptr == pMesh ) {
+        ASSIMP_LOG_ERROR( "Nullptr to mesh found." );
+        return;
+    }
+    // mirror positions, normals and stuff along the Z axis
+    for( size_t a = 0; a < pMesh->mNumVertices; ++a)
+    {
+        pMesh->mVertices[a].z *= -1.0f;
+        if (pMesh->HasNormals()) {
+            pMesh->mNormals[a].z *= -1.0f;
+        }
+        if( pMesh->HasTangentsAndBitangents())
+        {
+            pMesh->mTangents[a].z *= -1.0f;
+            pMesh->mBitangents[a].z *= -1.0f;
+        }
+    }
+
+    // mirror anim meshes positions, normals and stuff along the Z axis
+    for (size_t m = 0; m < pMesh->mNumAnimMeshes; ++m)
+    {
+        for (size_t a = 0; a < pMesh->mAnimMeshes[m]->mNumVertices; ++a)
+        {
+            pMesh->mAnimMeshes[m]->mVertices[a].z *= -1.0f;
+            if (pMesh->mAnimMeshes[m]->HasNormals()) {
+                pMesh->mAnimMeshes[m]->mNormals[a].z *= -1.0f;
+            }
+            if (pMesh->mAnimMeshes[m]->HasTangentsAndBitangents())
+            {
+                pMesh->mAnimMeshes[m]->mTangents[a].z *= -1.0f;
+                pMesh->mAnimMeshes[m]->mBitangents[a].z *= -1.0f;
+            }
+        }
+    }
+
+    // mirror offset matrices of all bones
+    for( size_t a = 0; a < pMesh->mNumBones; ++a)
+    {
+        aiBone* bone = pMesh->mBones[a];
+        bone->mOffsetMatrix.a3 = -bone->mOffsetMatrix.a3;
+        bone->mOffsetMatrix.b3 = -bone->mOffsetMatrix.b3;
+        bone->mOffsetMatrix.d3 = -bone->mOffsetMatrix.d3;
+        bone->mOffsetMatrix.c1 = -bone->mOffsetMatrix.c1;
+        bone->mOffsetMatrix.c2 = -bone->mOffsetMatrix.c2;
+        bone->mOffsetMatrix.c4 = -bone->mOffsetMatrix.c4;
+    }
+
+    // mirror bitangents as well as they're derived from the texture coords
+    if( pMesh->HasTangentsAndBitangents())
+    {
+        for( unsigned int a = 0; a < pMesh->mNumVertices; a++)
+            pMesh->mBitangents[a] *= -1.0f;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts a single material to left handed coordinates.
+void MakeLeftHandedProcess::ProcessMaterial( aiMaterial* _mat) {
+    if ( nullptr == _mat ) {
+        ASSIMP_LOG_ERROR( "Nullptr to aiMaterial found." );
+        return;
+    }
+
+    aiMaterial* mat = (aiMaterial*)_mat;
+    for (unsigned int a = 0; a < mat->mNumProperties;++a)   {
+        aiMaterialProperty* prop = mat->mProperties[a];
+
+        // Mapping axis for UV mappings?
+        if (!::strcmp( prop->mKey.data, "$tex.mapaxis"))    {
+            ai_assert( prop->mDataLength >= sizeof(aiVector3D)); /* something is wrong with the validation if we end up here */
+            aiVector3D* pff = (aiVector3D*)prop->mData;
+            pff->z *= -1.f;
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts the given animation to LH coordinates.
+void MakeLeftHandedProcess::ProcessAnimation( aiNodeAnim* pAnim)
+{
+    // position keys
+    for( unsigned int a = 0; a < pAnim->mNumPositionKeys; a++)
+        pAnim->mPositionKeys[a].mValue.z *= -1.0f;
+
+    // rotation keys
+    for( unsigned int a = 0; a < pAnim->mNumRotationKeys; a++)
+    {
+        /* That's the safe version, but the float errors add up. So we try the short version instead
+        aiMatrix3x3 rotmat = pAnim->mRotationKeys[a].mValue.GetMatrix();
+        rotmat.a3 = -rotmat.a3; rotmat.b3 = -rotmat.b3;
+        rotmat.c1 = -rotmat.c1; rotmat.c2 = -rotmat.c2;
+        aiQuaternion rotquat( rotmat);
+        pAnim->mRotationKeys[a].mValue = rotquat;
+        */
+        pAnim->mRotationKeys[a].mValue.x *= -1.0f;
+        pAnim->mRotationKeys[a].mValue.y *= -1.0f;
+    }
+}
+
+#endif // !!  ASSIMP_BUILD_NO_MAKELEFTHANDED_PROCESS
+#ifndef  ASSIMP_BUILD_NO_FLIPUVS_PROCESS
+// # FlipUVsProcess
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FlipUVsProcess::FlipUVsProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FlipUVsProcess::~FlipUVsProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FlipUVsProcess::IsActive( unsigned int pFlags) const
+{
+    return 0 != (pFlags & aiProcess_FlipUVs);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FlipUVsProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("FlipUVsProcess begin");
+    for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
+        ProcessMesh(pScene->mMeshes[i]);
+
+    for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
+        ProcessMaterial(pScene->mMaterials[i]);
+    ASSIMP_LOG_DEBUG("FlipUVsProcess finished");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts a single material
+void FlipUVsProcess::ProcessMaterial (aiMaterial* _mat)
+{
+    aiMaterial* mat = (aiMaterial*)_mat;
+    for (unsigned int a = 0; a < mat->mNumProperties;++a)   {
+        aiMaterialProperty* prop = mat->mProperties[a];
+        if( !prop ) {
+            ASSIMP_LOG_DEBUG( "Property is null" );
+            continue;
+        }
+
+        // UV transformation key?
+        if (!::strcmp( prop->mKey.data, "$tex.uvtrafo"))    {
+            ai_assert( prop->mDataLength >= sizeof(aiUVTransform));  /* something is wrong with the validation if we end up here */
+            aiUVTransform* uv = (aiUVTransform*)prop->mData;
+
+            // just flip it, that's everything
+            uv->mTranslation.y *= -1.f;
+            uv->mRotation *= -1.f;
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts a single mesh
+void FlipUVsProcess::ProcessMesh( aiMesh* pMesh)
+{
+    flipUVs(pMesh);
+    for (unsigned int idx = 0; idx < pMesh->mNumAnimMeshes; idx++) {
+        flipUVs(pMesh->mAnimMeshes[idx]);
+    }
+}
+
+#endif // !ASSIMP_BUILD_NO_FLIPUVS_PROCESS
+#ifndef  ASSIMP_BUILD_NO_FLIPWINDING_PROCESS
+// # FlipWindingOrderProcess
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FlipWindingOrderProcess::FlipWindingOrderProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FlipWindingOrderProcess::~FlipWindingOrderProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FlipWindingOrderProcess::IsActive( unsigned int pFlags) const
+{
+    return 0 != (pFlags & aiProcess_FlipWindingOrder);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FlipWindingOrderProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("FlipWindingOrderProcess begin");
+    for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
+        ProcessMesh(pScene->mMeshes[i]);
+    ASSIMP_LOG_DEBUG("FlipWindingOrderProcess finished");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts a single mesh
+void FlipWindingOrderProcess::ProcessMesh( aiMesh* pMesh)
+{
+    // invert the order of all faces in this mesh
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++)
+    {
+        aiFace& face = pMesh->mFaces[a];
+        for (unsigned int b = 0; b < face.mNumIndices / 2; b++) {
+            std::swap(face.mIndices[b], face.mIndices[face.mNumIndices - 1 - b]);
+        }
+    }
+
+    // invert the order of all components in this mesh anim meshes
+    for (unsigned int m = 0; m < pMesh->mNumAnimMeshes; m++) {
+        aiAnimMesh* animMesh = pMesh->mAnimMeshes[m];
+        unsigned int numVertices = animMesh->mNumVertices;
+        if (animMesh->HasPositions()) {
+            for (unsigned int a = 0; a < numVertices; a++)
+            {
+                std::swap(animMesh->mVertices[a], animMesh->mVertices[numVertices - 1 - a]);
+            }
+        }
+        if (animMesh->HasNormals()) {
+            for (unsigned int a = 0; a < numVertices; a++)
+            {
+                std::swap(animMesh->mNormals[a], animMesh->mNormals[numVertices - 1 - a]);
+            }
+        }
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; i++) {
+            if (animMesh->HasTextureCoords(i)) {
+                for (unsigned int a = 0; a < numVertices; a++)
+                {
+                    std::swap(animMesh->mTextureCoords[i][a], animMesh->mTextureCoords[i][numVertices - 1 - a]);
+                }
+            }
+        }
+        if (animMesh->HasTangentsAndBitangents()) {
+            for (unsigned int a = 0; a < numVertices; a++)
+            {
+                std::swap(animMesh->mTangents[a], animMesh->mTangents[numVertices - 1 - a]);
+                std::swap(animMesh->mBitangents[a], animMesh->mBitangents[numVertices - 1 - a]);
+            }
+        }
+        for (unsigned int v = 0; v < AI_MAX_NUMBER_OF_COLOR_SETS; v++) {
+            if (animMesh->HasVertexColors(v)) {
+                for (unsigned int a = 0; a < numVertices; a++)
+                {
+                    std::swap(animMesh->mColors[v][a], animMesh->mColors[v][numVertices - 1 - a]);
+                }
+            }
+        }
+    }
+}
+
+#endif // !! ASSIMP_BUILD_NO_FLIPWINDING_PROCESS
diff --git a/thirdparty/assimp/code/ConvertToLHProcess.h b/thirdparty/assimp/code/ConvertToLHProcess.h
new file mode 100644
index 0000000000..63351568d0
--- /dev/null
+++ b/thirdparty/assimp/code/ConvertToLHProcess.h
@@ -0,0 +1,170 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  MakeLeftHandedProcess.h
+ *  @brief Defines a bunch of post-processing steps to handle
+ *    coordinate system conversions.
+ *
+ *  - LH to RH
+ *  - UV origin upper-left to lower-left
+ *  - face order cw to ccw
+ */
+#ifndef AI_CONVERTTOLHPROCESS_H_INC
+#define AI_CONVERTTOLHPROCESS_H_INC
+
+#include <assimp/types.h>
+#include "BaseProcess.h"
+
+struct aiMesh;
+struct aiNodeAnim;
+struct aiNode;
+struct aiMaterial;
+
+namespace Assimp    {
+
+// -----------------------------------------------------------------------------------
+/** @brief The MakeLeftHandedProcess converts all imported data to a left-handed
+ *   coordinate system.
+ *
+ * This implies a mirroring of the Z axis of the coordinate system. But to keep
+ * transformation matrices free from reflections we shift the reflection to other
+ * places. We mirror the meshes and adapt the rotations.
+ *
+ * @note RH-LH and LH-RH is the same, so this class can be used for both
+ */
+class MakeLeftHandedProcess : public BaseProcess
+{
+
+
+public:
+    MakeLeftHandedProcess();
+    ~MakeLeftHandedProcess();
+
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Recursively converts a node and all of its children
+     */
+    void ProcessNode( aiNode* pNode, const aiMatrix4x4& pParentGlobalRotation);
+
+    // -------------------------------------------------------------------
+    /** Converts a single mesh to left handed coordinates.
+     * This means that positions, normals and tangents are mirrored at
+     * the local Z axis and the order of all faces are inverted.
+     * @param pMesh The mesh to convert.
+     */
+    void ProcessMesh( aiMesh* pMesh);
+
+    // -------------------------------------------------------------------
+    /** Converts a single material to left-handed coordinates
+     * @param pMat Material to convert
+     */
+    void ProcessMaterial( aiMaterial* pMat);
+
+    // -------------------------------------------------------------------
+    /** Converts the given animation to LH coordinates.
+     * The rotation and translation keys are transformed, the scale keys
+     * work in local space and can therefore be left untouched.
+     * @param pAnim The bone animation to transform
+     */
+    void ProcessAnimation( aiNodeAnim* pAnim);
+};
+
+
+// ---------------------------------------------------------------------------
+/** Postprocessing step to flip the face order of the imported data
+ */
+class FlipWindingOrderProcess : public BaseProcess
+{
+    friend class Importer;
+
+public:
+    /** Constructor to be privately used by Importer */
+    FlipWindingOrderProcess();
+
+    /** Destructor, private as well */
+    ~FlipWindingOrderProcess();
+
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+protected:
+    void ProcessMesh( aiMesh* pMesh);
+};
+
+// ---------------------------------------------------------------------------
+/** Postprocessing step to flip the UV coordinate system of the import data
+ */
+class FlipUVsProcess : public BaseProcess
+{
+    friend class Importer;
+
+public:
+    /** Constructor to be privately used by Importer */
+    FlipUVsProcess();
+
+    /** Destructor, private as well */
+    ~FlipUVsProcess();
+
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+protected:
+    void ProcessMesh( aiMesh* pMesh);
+    void ProcessMaterial( aiMaterial* mat);
+};
+
+} // end of namespace Assimp
+
+#endif // AI_CONVERTTOLHPROCESS_H_INC
diff --git a/thirdparty/assimp/code/CreateAnimMesh.cpp b/thirdparty/assimp/code/CreateAnimMesh.cpp
new file mode 100644
index 0000000000..1a052849bb
--- /dev/null
+++ b/thirdparty/assimp/code/CreateAnimMesh.cpp
@@ -0,0 +1,92 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (C) 2016 The Qt Company Ltd.
+Copyright (c) 2006-2012, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+#include <assimp/CreateAnimMesh.h>
+
+namespace Assimp    {
+
+aiAnimMesh *aiCreateAnimMesh(const aiMesh *mesh)
+{
+    aiAnimMesh *animesh = new aiAnimMesh;
+    animesh->mVertices = NULL;
+    animesh->mNormals = NULL;
+    animesh->mTangents = NULL;
+    animesh->mBitangents = NULL;
+    animesh->mNumVertices = mesh->mNumVertices;
+    if (mesh->mVertices) {
+        animesh->mVertices = new aiVector3D[animesh->mNumVertices];
+        std::memcpy(animesh->mVertices, mesh->mVertices, mesh->mNumVertices * sizeof(aiVector3D));
+    }
+    if (mesh->mNormals) {
+        animesh->mNormals = new aiVector3D[animesh->mNumVertices];
+        std::memcpy(animesh->mNormals, mesh->mNormals, mesh->mNumVertices * sizeof(aiVector3D));
+    }
+    if (mesh->mTangents) {
+        animesh->mTangents = new aiVector3D[animesh->mNumVertices];
+        std::memcpy(animesh->mTangents, mesh->mTangents, mesh->mNumVertices * sizeof(aiVector3D));
+    }
+    if (mesh->mBitangents) {
+        animesh->mBitangents = new aiVector3D[animesh->mNumVertices];
+        std::memcpy(animesh->mBitangents, mesh->mBitangents, mesh->mNumVertices * sizeof(aiVector3D));
+    }
+
+    for (int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
+        if (mesh->mColors[i]) {
+            animesh->mColors[i] = new aiColor4D[animesh->mNumVertices];
+            std::memcpy(animesh->mColors[i], mesh->mColors[i], mesh->mNumVertices * sizeof(aiColor4D));
+        } else {
+            animesh->mColors[i] = NULL;
+        }
+    }
+
+    for (int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+        if (mesh->mTextureCoords[i]) {
+            animesh->mTextureCoords[i] = new aiVector3D[animesh->mNumVertices];
+            std::memcpy(animesh->mTextureCoords[i], mesh->mTextureCoords[i], mesh->mNumVertices * sizeof(aiVector3D));
+        } else {
+            animesh->mTextureCoords[i] = NULL;
+        }
+    }
+    return animesh;
+}
+
+} // end of namespace Assimp
diff --git a/thirdparty/assimp/code/DeboneProcess.cpp b/thirdparty/assimp/code/DeboneProcess.cpp
new file mode 100644
index 0000000000..83b8336bc9
--- /dev/null
+++ b/thirdparty/assimp/code/DeboneProcess.cpp
@@ -0,0 +1,465 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/// @file DeboneProcess.cpp
+/** Implementation of the DeboneProcess post processing step */
+
+
+
+// internal headers of the post-processing framework
+#include "ProcessHelper.h"
+#include "DeboneProcess.h"
+#include <stdio.h>
+
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+DeboneProcess::DeboneProcess()
+{
+    mNumBones = 0;
+    mNumBonesCanDoWithout = 0;
+
+    mThreshold = AI_DEBONE_THRESHOLD;
+    mAllOrNone = false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+DeboneProcess::~DeboneProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool DeboneProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_Debone) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void DeboneProcess::SetupProperties(const Importer* pImp)
+{
+    // get the current value of the property
+    mAllOrNone = pImp->GetPropertyInteger(AI_CONFIG_PP_DB_ALL_OR_NONE,0)?true:false;
+    mThreshold = pImp->GetPropertyFloat(AI_CONFIG_PP_DB_THRESHOLD,AI_DEBONE_THRESHOLD);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void DeboneProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("DeboneProcess begin");
+
+    if(!pScene->mNumMeshes) {
+        return;
+    }
+
+    std::vector<bool> splitList(pScene->mNumMeshes);
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++) {
+        splitList[a] = ConsiderMesh( pScene->mMeshes[a] );
+    }
+
+    int numSplits = 0;
+
+    if(!!mNumBonesCanDoWithout && (!mAllOrNone||mNumBonesCanDoWithout==mNumBones))  {
+        for(unsigned int a = 0; a < pScene->mNumMeshes; a++)    {
+            if(splitList[a]) {
+                numSplits++;
+            }
+        }
+    }
+
+    if(numSplits)   {
+        // we need to do something. Let's go.
+        //mSubMeshIndices.clear();                  // really needed?
+        mSubMeshIndices.resize(pScene->mNumMeshes); // because we're doing it here anyway
+
+        // build a new array of meshes for the scene
+        std::vector<aiMesh*> meshes;
+
+        for(unsigned int a=0;a<pScene->mNumMeshes;a++)
+        {
+            aiMesh* srcMesh = pScene->mMeshes[a];
+
+            std::vector<std::pair<aiMesh*,const aiBone*> > newMeshes;
+
+            if(splitList[a]) {
+                SplitMesh(srcMesh,newMeshes);
+            }
+
+            // mesh was split
+            if(!newMeshes.empty())  {
+                unsigned int out = 0, in = srcMesh->mNumBones;
+
+                // store new meshes and indices of the new meshes
+                for(unsigned int b=0;b<newMeshes.size();b++)    {
+                    const aiString *find = newMeshes[b].second?&newMeshes[b].second->mName:0;
+
+                    aiNode *theNode = find?pScene->mRootNode->FindNode(*find):0;
+                    std::pair<unsigned int,aiNode*> push_pair(static_cast<unsigned int>(meshes.size()),theNode);
+
+                    mSubMeshIndices[a].push_back(push_pair);
+                    meshes.push_back(newMeshes[b].first);
+
+                    out+=newMeshes[b].first->mNumBones;
+                }
+
+                if(!DefaultLogger::isNullLogger()) {
+                    ASSIMP_LOG_INFO_F("Removed %u bones. Input bones:", in - out, ". Output bones: ", out);
+                }
+
+                // and destroy the source mesh. It should be completely contained inside the new submeshes
+                delete srcMesh;
+            }
+            else    {
+                // Mesh is kept unchanged - store it's new place in the mesh array
+                mSubMeshIndices[a].push_back(std::pair<unsigned int,aiNode*>(static_cast<unsigned int>(meshes.size()),(aiNode*)0));
+                meshes.push_back(srcMesh);
+            }
+        }
+
+        // rebuild the scene's mesh array
+        pScene->mNumMeshes = static_cast<unsigned int>(meshes.size());
+        delete [] pScene->mMeshes;
+        pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
+        std::copy( meshes.begin(), meshes.end(), pScene->mMeshes);
+
+        // recurse through all nodes and translate the node's mesh indices to fit the new mesh array
+        UpdateNode( pScene->mRootNode);
+    }
+
+    ASSIMP_LOG_DEBUG("DeboneProcess end");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Counts bones total/removable in a given mesh.
+bool DeboneProcess::ConsiderMesh(const aiMesh* pMesh)
+{
+    if(!pMesh->HasBones()) {
+        return false;
+    }
+
+    bool split = false;
+
+    //interstitial faces not permitted
+    bool isInterstitialRequired = false;
+
+    std::vector<bool> isBoneNecessary(pMesh->mNumBones,false);
+    std::vector<unsigned int> vertexBones(pMesh->mNumVertices,UINT_MAX);
+
+    const unsigned int cUnowned = UINT_MAX;
+    const unsigned int cCoowned = UINT_MAX-1;
+
+    for(unsigned int i=0;i<pMesh->mNumBones;i++)    {
+        for(unsigned int j=0;j<pMesh->mBones[i]->mNumWeights;j++)   {
+            float w = pMesh->mBones[i]->mWeights[j].mWeight;
+
+            if(w==0.0f) {
+                continue;
+            }
+
+            unsigned int vid = pMesh->mBones[i]->mWeights[j].mVertexId;
+            if(w>=mThreshold)   {
+
+                if(vertexBones[vid]!=cUnowned)  {
+                    if(vertexBones[vid]==i) //double entry
+                    {
+                        ASSIMP_LOG_WARN("Encountered double entry in bone weights");
+                    }
+                    else //TODO: track attraction in order to break tie
+                    {
+                        vertexBones[vid] = cCoowned;
+                    }
+                }
+                else vertexBones[vid] = i;
+            }
+
+            if(!isBoneNecessary[i]) {
+                isBoneNecessary[i] = w<mThreshold;
+            }
+        }
+
+        if(!isBoneNecessary[i])  {
+            isInterstitialRequired = true;
+        }
+    }
+
+    if(isInterstitialRequired) {
+        for(unsigned int i=0;i<pMesh->mNumFaces;i++) {
+            unsigned int v = vertexBones[pMesh->mFaces[i].mIndices[0]];
+
+            for(unsigned int j=1;j<pMesh->mFaces[i].mNumIndices;j++) {
+                unsigned int w = vertexBones[pMesh->mFaces[i].mIndices[j]];
+
+                if(v!=w)    {
+                    if(v<pMesh->mNumBones) isBoneNecessary[v] = true;
+                    if(w<pMesh->mNumBones) isBoneNecessary[w] = true;
+                }
+            }
+        }
+    }
+
+    for(unsigned int i=0;i<pMesh->mNumBones;i++)    {
+        if(!isBoneNecessary[i]) {
+            mNumBonesCanDoWithout++;
+            split = true;
+        }
+
+        mNumBones++;
+    }
+    return split;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Splits the given mesh by bone count.
+void DeboneProcess::SplitMesh( const aiMesh* pMesh, std::vector< std::pair< aiMesh*,const aiBone* > >& poNewMeshes) const
+{
+    // same deal here as ConsiderMesh basically
+
+    std::vector<bool> isBoneNecessary(pMesh->mNumBones,false);
+    std::vector<unsigned int> vertexBones(pMesh->mNumVertices,UINT_MAX);
+
+    const unsigned int cUnowned = UINT_MAX;
+    const unsigned int cCoowned = UINT_MAX-1;
+
+    for(unsigned int i=0;i<pMesh->mNumBones;i++)    {
+        for(unsigned int j=0;j<pMesh->mBones[i]->mNumWeights;j++)   {
+            float w = pMesh->mBones[i]->mWeights[j].mWeight;
+
+            if(w==0.0f) {
+                continue;
+            }
+
+            unsigned int vid = pMesh->mBones[i]->mWeights[j].mVertexId;
+
+            if(w>=mThreshold) {
+                if(vertexBones[vid]!=cUnowned)  {
+                    if(vertexBones[vid]==i) //double entry
+                    {
+                        ASSIMP_LOG_WARN("Encountered double entry in bone weights");
+                    }
+                    else //TODO: track attraction in order to break tie
+                    {
+                        vertexBones[vid] = cCoowned;
+                    }
+                }
+                else vertexBones[vid] = i;
+            }
+
+            if(!isBoneNecessary[i]) {
+                isBoneNecessary[i] = w<mThreshold;
+            }
+        }
+    }
+
+    unsigned int nFacesUnowned = 0;
+
+    std::vector<unsigned int> faceBones(pMesh->mNumFaces,UINT_MAX);
+    std::vector<unsigned int> facesPerBone(pMesh->mNumBones,0);
+
+    for(unsigned int i=0;i<pMesh->mNumFaces;i++) {
+        unsigned int nInterstitial = 1;
+
+        unsigned int v = vertexBones[pMesh->mFaces[i].mIndices[0]];
+
+        for(unsigned int j=1;j<pMesh->mFaces[i].mNumIndices;j++) {
+            unsigned int w = vertexBones[pMesh->mFaces[i].mIndices[j]];
+
+            if(v!=w)    {
+                if(v<pMesh->mNumBones) isBoneNecessary[v] = true;
+                if(w<pMesh->mNumBones) isBoneNecessary[w] = true;
+            }
+            else nInterstitial++;
+        }
+
+        if(v<pMesh->mNumBones &&nInterstitial==pMesh->mFaces[i].mNumIndices)    {
+            faceBones[i] = v; //primitive belongs to bone #v
+            facesPerBone[v]++;
+        }
+        else nFacesUnowned++;
+    }
+
+    // invalidate any "cojoined" faces
+    for(unsigned int i=0;i<pMesh->mNumFaces;i++) {
+        if(faceBones[i]<pMesh->mNumBones&&isBoneNecessary[faceBones[i]])
+        {
+            ai_assert(facesPerBone[faceBones[i]]>0);
+            facesPerBone[faceBones[i]]--;
+
+            nFacesUnowned++;
+            faceBones[i] = cUnowned;
+        }
+    }
+
+    if(nFacesUnowned) {
+        std::vector<unsigned int> subFaces;
+
+        for(unsigned int i=0;i<pMesh->mNumFaces;i++)    {
+            if(faceBones[i]==cUnowned) {
+                subFaces.push_back(i);
+            }
+        }
+
+        aiMesh *baseMesh = MakeSubmesh(pMesh,subFaces,0);
+        std::pair<aiMesh*,const aiBone*> push_pair(baseMesh,(const aiBone*)0);
+
+        poNewMeshes.push_back(push_pair);
+    }
+
+    for(unsigned int i=0;i<pMesh->mNumBones;i++) {
+
+        if(!isBoneNecessary[i]&&facesPerBone[i]>0)  {
+            std::vector<unsigned int> subFaces;
+
+            for(unsigned int j=0;j<pMesh->mNumFaces;j++)    {
+                if(faceBones[j]==i) {
+                    subFaces.push_back(j);
+                }
+            }
+
+            unsigned int f = AI_SUBMESH_FLAGS_SANS_BONES;
+            aiMesh *subMesh =MakeSubmesh(pMesh,subFaces,f);
+
+            //Lifted from PretransformVertices.cpp
+            ApplyTransform(subMesh,pMesh->mBones[i]->mOffsetMatrix);
+            std::pair<aiMesh*,const aiBone*> push_pair(subMesh,pMesh->mBones[i]);
+
+            poNewMeshes.push_back(push_pair);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Recursively updates the node's mesh list to account for the changed mesh list
+void DeboneProcess::UpdateNode(aiNode* pNode) const
+{
+    // rebuild the node's mesh index list
+
+    std::vector<unsigned int> newMeshList;
+
+    // this will require two passes
+
+    unsigned int m = static_cast<unsigned int>(pNode->mNumMeshes), n = static_cast<unsigned int>(mSubMeshIndices.size());
+
+    // first pass, look for meshes which have not moved
+
+    for(unsigned int a=0;a<m;a++)   {
+
+        unsigned int srcIndex = pNode->mMeshes[a];
+        const std::vector< std::pair< unsigned int,aiNode* > > &subMeshes = mSubMeshIndices[srcIndex];
+        unsigned int nSubmeshes = static_cast<unsigned int>(subMeshes.size());
+
+        for(unsigned int b=0;b<nSubmeshes;b++) {
+            if(!subMeshes[b].second) {
+                newMeshList.push_back(subMeshes[b].first);
+            }
+        }
+    }
+
+    // second pass, collect deboned meshes
+
+    for(unsigned int a=0;a<n;a++)
+    {
+        const std::vector< std::pair< unsigned int,aiNode* > > &subMeshes = mSubMeshIndices[a];
+        unsigned int nSubmeshes = static_cast<unsigned int>(subMeshes.size());
+
+        for(unsigned int b=0;b<nSubmeshes;b++) {
+            if(subMeshes[b].second == pNode)    {
+                newMeshList.push_back(subMeshes[b].first);
+            }
+        }
+    }
+
+    if( pNode->mNumMeshes > 0 ) {
+        delete [] pNode->mMeshes; pNode->mMeshes = NULL;
+    }
+
+    pNode->mNumMeshes = static_cast<unsigned int>(newMeshList.size());
+
+    if(pNode->mNumMeshes)   {
+        pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
+        std::copy( newMeshList.begin(), newMeshList.end(), pNode->mMeshes);
+    }
+
+    // do that also recursively for all children
+    for( unsigned int a = 0; a < pNode->mNumChildren; ++a ) {
+        UpdateNode( pNode->mChildren[a]);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Apply the node transformation to a mesh
+void DeboneProcess::ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat)const
+{
+    // Check whether we need to transform the coordinates at all
+    if (!mat.IsIdentity()) {
+
+        if (mesh->HasPositions()) {
+            for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                mesh->mVertices[i] = mat * mesh->mVertices[i];
+            }
+        }
+        if (mesh->HasNormals() || mesh->HasTangentsAndBitangents()) {
+            aiMatrix4x4 mWorldIT = mat;
+            mWorldIT.Inverse().Transpose();
+
+            // TODO: implement Inverse() for aiMatrix3x3
+            aiMatrix3x3 m = aiMatrix3x3(mWorldIT);
+
+            if (mesh->HasNormals()) {
+                for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                    mesh->mNormals[i] = (m * mesh->mNormals[i]).Normalize();
+                }
+            }
+            if (mesh->HasTangentsAndBitangents()) {
+                for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                    mesh->mTangents[i]   = (m * mesh->mTangents[i]).Normalize();
+                    mesh->mBitangents[i] = (m * mesh->mBitangents[i]).Normalize();
+                }
+            }
+        }
+    }
+}
diff --git a/thirdparty/assimp/code/DeboneProcess.h b/thirdparty/assimp/code/DeboneProcess.h
new file mode 100644
index 0000000000..ba77aba70e
--- /dev/null
+++ b/thirdparty/assimp/code/DeboneProcess.h
@@ -0,0 +1,134 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** Defines a post processing step to limit the number of bones affecting a single vertex. */
+#ifndef AI_DEBONEPROCESS_H_INC
+#define AI_DEBONEPROCESS_H_INC
+
+#include <vector>
+#include <utility>
+#include "BaseProcess.h"
+
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+
+class DeboneTest;
+
+namespace Assimp
+{
+
+#if (!defined AI_DEBONE_THRESHOLD)
+#   define AI_DEBONE_THRESHOLD  1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------------------------------------------------------------------------
+/** This post processing step removes bones nearly losslessly or according to
+* a configured threshold. In order to remove the bone, the primitives affected by
+* the bone are split from the mesh. The split off (new) mesh is boneless. At any
+* point in time, bones without affect upon a given mesh are to be removed.
+*/
+class DeboneProcess : public BaseProcess
+{
+public:
+
+    DeboneProcess();
+    ~DeboneProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with.
+    *   A bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    void SetupProperties(const Importer* pImp);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    /** Counts bones total/removable in a given mesh.
+    * @param pMesh The mesh to process.
+    */
+    bool ConsiderMesh( const aiMesh* pMesh);
+
+    /// Splits the given mesh by bone count.
+    /// @param pMesh the Mesh to split. Is not changed at all, but might be superfluous in case it was split.
+    /// @param poNewMeshes Array of submeshes created in the process. Empty if splitting was not necessary.
+    void SplitMesh(const aiMesh* pMesh, std::vector< std::pair< aiMesh*,const aiBone* > >& poNewMeshes) const;
+
+    /// Recursively updates the node's mesh list to account for the changed mesh list
+    void UpdateNode(aiNode* pNode) const;
+
+    // -------------------------------------------------------------------
+    // Apply transformation to a mesh
+    void ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat)const;
+
+public:
+    /** Number of bones present in the scene. */
+    unsigned int mNumBones;
+    unsigned int mNumBonesCanDoWithout;
+
+    float mThreshold;
+    bool mAllOrNone;
+
+    /// Per mesh index: Array of indices of the new submeshes.
+    std::vector< std::vector< std::pair< unsigned int,aiNode* > > > mSubMeshIndices;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_DEBONEPROCESS_H_INC
diff --git a/thirdparty/assimp/code/DefaultIOStream.cpp b/thirdparty/assimp/code/DefaultIOStream.cpp
new file mode 100644
index 0000000000..1c100b6189
--- /dev/null
+++ b/thirdparty/assimp/code/DefaultIOStream.cpp
@@ -0,0 +1,154 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file  DefaultIOStream.cpp
+ *  @brief Default File I/O implementation for #Importer
+ */
+
+
+#include <assimp/ai_assert.h>
+#include <assimp/DefaultIOStream.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+using namespace Assimp;
+
+// ----------------------------------------------------------------------------------
+DefaultIOStream::~DefaultIOStream()
+{
+    if (mFile) {
+        ::fclose(mFile);
+        mFile = nullptr;
+    }
+}
+
+// ----------------------------------------------------------------------------------
+size_t DefaultIOStream::Read(void* pvBuffer,
+    size_t pSize,
+    size_t pCount)
+{
+    ai_assert(NULL != pvBuffer && 0 != pSize && 0 != pCount);
+    return (mFile ? ::fread(pvBuffer, pSize, pCount, mFile) : 0);
+}
+
+// ----------------------------------------------------------------------------------
+size_t DefaultIOStream::Write(const void* pvBuffer,
+    size_t pSize,
+    size_t pCount)
+{
+    ai_assert(NULL != pvBuffer && 0 != pSize && 0 != pCount);
+    return (mFile ? ::fwrite(pvBuffer, pSize, pCount, mFile) : 0);
+}
+
+// ----------------------------------------------------------------------------------
+aiReturn DefaultIOStream::Seek(size_t pOffset,
+     aiOrigin pOrigin)
+{
+    if (!mFile) {
+        return AI_FAILURE;
+    }
+
+    // Just to check whether our enum maps one to one with the CRT constants
+    static_assert(aiOrigin_CUR == SEEK_CUR &&
+        aiOrigin_END == SEEK_END && aiOrigin_SET == SEEK_SET, "aiOrigin_CUR == SEEK_CUR && \
+        aiOrigin_END == SEEK_END && aiOrigin_SET == SEEK_SET");
+
+    // do the seek
+    return (0 == ::fseek(mFile, (long)pOffset,(int)pOrigin) ? AI_SUCCESS : AI_FAILURE);
+}
+
+// ----------------------------------------------------------------------------------
+size_t DefaultIOStream::Tell() const
+{
+    if (!mFile) {
+        return 0;
+    }
+    return ::ftell(mFile);
+}
+
+// ----------------------------------------------------------------------------------
+size_t DefaultIOStream::FileSize() const
+{
+    if (! mFile || mFilename.empty()) {
+        return 0;
+    }
+
+    if (SIZE_MAX == mCachedSize ) {
+
+        // Although fseek/ftell would allow us to reuse the existing file handle here,
+        // it is generally unsafe because:
+        //  - For binary streams, it is not technically well-defined
+        //  - For text files the results are meaningless
+        // That's why we use the safer variant fstat here.
+        //
+        // See here for details:
+        // https://www.securecoding.cert.org/confluence/display/seccode/FIO19-C.+Do+not+use+fseek()+and+ftell()+to+compute+the+size+of+a+regular+file
+#if defined _WIN32 && (!defined __GNUC__ || __MSVCRT_VERSION__ >= 0x0601)
+        struct __stat64 fileStat;
+        //using fileno + fstat avoids having to handle the filename
+        int err = _fstat64(  _fileno(mFile), &fileStat );
+        if (0 != err)
+            return 0;
+        mCachedSize = (size_t) (fileStat.st_size);
+#elif defined __GNUC__ || defined __APPLE__ || defined __MACH__ || defined __FreeBSD__
+        struct stat fileStat;
+        int err = stat(mFilename.c_str(), &fileStat );
+        if (0 != err)
+            return 0;
+        const unsigned long long cachedSize = fileStat.st_size;
+        mCachedSize = static_cast< size_t >( cachedSize );
+#else
+#   error "Unknown platform"
+#endif
+    }
+    return mCachedSize;
+}
+
+// ----------------------------------------------------------------------------------
+void DefaultIOStream::Flush()
+{
+    if (mFile) {
+        ::fflush(mFile);
+    }
+}
+
+// ----------------------------------------------------------------------------------
diff --git a/thirdparty/assimp/code/DefaultIOSystem.cpp b/thirdparty/assimp/code/DefaultIOSystem.cpp
new file mode 100644
index 0000000000..d40b67de32
--- /dev/null
+++ b/thirdparty/assimp/code/DefaultIOSystem.cpp
@@ -0,0 +1,257 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file Default implementation of IOSystem using the standard C file functions */
+
+#include <assimp/StringComparison.h>
+
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/DefaultIOStream.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/ai_assert.h>
+#include <stdlib.h>
+
+#ifdef __unix__
+#include <sys/param.h>
+#include <stdlib.h>
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+using namespace Assimp;
+
+// maximum path length
+// XXX http://insanecoding.blogspot.com/2007/11/pathmax-simply-isnt.html
+#ifdef PATH_MAX
+#   define PATHLIMIT PATH_MAX
+#else
+#   define PATHLIMIT 4096
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Tests for the existence of a file at the given path.
+bool DefaultIOSystem::Exists( const char* pFile) const
+{
+#ifdef _WIN32
+    wchar_t fileName16[PATHLIMIT];
+
+#ifndef WindowsStore
+    bool isUnicode = IsTextUnicode(pFile, static_cast<int>(strlen(pFile)), NULL) != 0;
+    if (isUnicode) {
+
+        MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, pFile, -1, fileName16, PATHLIMIT);
+        struct __stat64 filestat;
+        if (0 != _wstat64(fileName16, &filestat)) {
+            return false;
+        }
+    } else {
+#endif
+        FILE* file = ::fopen(pFile, "rb");
+        if (!file)
+            return false;
+
+        ::fclose(file);
+#ifndef WindowsStore
+    }
+#endif
+#else
+    FILE* file = ::fopen( pFile, "rb");
+    if( !file)
+        return false;
+
+    ::fclose( file);
+#endif
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Open a new file with a given path.
+IOStream* DefaultIOSystem::Open( const char* strFile, const char* strMode)
+{
+    ai_assert(NULL != strFile);
+    ai_assert(NULL != strMode);
+    FILE* file;
+#ifdef _WIN32
+    wchar_t fileName16[PATHLIMIT];
+#ifndef WindowsStore
+    bool isUnicode = IsTextUnicode(strFile, static_cast<int>(strlen(strFile)), NULL) != 0;
+    if (isUnicode) {
+        MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, strFile, -1, fileName16, PATHLIMIT);
+        std::string mode8(strMode);
+        file = ::_wfopen(fileName16, std::wstring(mode8.begin(), mode8.end()).c_str());
+    } else {
+#endif
+        file = ::fopen(strFile, strMode);
+#ifndef WindowsStore
+    }
+#endif
+#else
+    file = ::fopen(strFile, strMode);
+#endif
+    if (nullptr == file)
+        return nullptr;
+
+    return new DefaultIOStream(file, (std::string) strFile);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Closes the given file and releases all resources associated with it.
+void DefaultIOSystem::Close( IOStream* pFile)
+{
+    delete pFile;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns the operation specific directory separator
+char DefaultIOSystem::getOsSeparator() const
+{
+#ifndef _WIN32
+    return '/';
+#else
+    return '\\';
+#endif
+}
+
+// ------------------------------------------------------------------------------------------------
+// IOSystem default implementation (ComparePaths isn't a pure virtual function)
+bool IOSystem::ComparePaths (const char* one, const char* second) const
+{
+    return !ASSIMP_stricmp(one,second);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Convert a relative path into an absolute path
+inline static void MakeAbsolutePath (const char* in, char* _out)
+{
+    ai_assert(in && _out);
+#if defined( _MSC_VER ) || defined( __MINGW32__ )
+#ifndef WindowsStore
+    bool isUnicode = IsTextUnicode(in, static_cast<int>(strlen(in)), NULL) != 0;
+    if (isUnicode) {
+        wchar_t out16[PATHLIMIT];
+        wchar_t in16[PATHLIMIT];
+        MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, in, -1, out16, PATHLIMIT);
+        wchar_t* ret = ::_wfullpath(out16, in16, PATHLIMIT);
+        if (ret) {
+            WideCharToMultiByte(CP_UTF8, MB_PRECOMPOSED, out16, -1, _out, PATHLIMIT, nullptr, nullptr);
+        }
+        if (!ret) {
+            // preserve the input path, maybe someone else is able to fix
+            // the path before it is accessed (e.g. our file system filter)
+            ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
+            strcpy(_out, in);
+        }
+
+    } else {
+#endif
+        char* ret = :: _fullpath(_out, in, PATHLIMIT);
+        if (!ret) {
+            // preserve the input path, maybe someone else is able to fix
+            // the path before it is accessed (e.g. our file system filter)
+            ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
+            strcpy(_out, in);
+        }
+#ifndef WindowsStore
+    }
+#endif
+#else
+    // use realpath
+    char* ret = realpath(in, _out);
+    if(!ret) {
+        // preserve the input path, maybe someone else is able to fix
+        // the path before it is accessed (e.g. our file system filter)
+        ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
+        strcpy(_out,in);
+    }
+#endif
+}
+
+// ------------------------------------------------------------------------------------------------
+// DefaultIOSystem's more specialized implementation
+bool DefaultIOSystem::ComparePaths (const char* one, const char* second) const
+{
+    // chances are quite good both paths are formatted identically,
+    // so we can hopefully return here already
+    if( !ASSIMP_stricmp(one,second) )
+        return true;
+
+    char temp1[PATHLIMIT];
+    char temp2[PATHLIMIT];
+
+    MakeAbsolutePath (one, temp1);
+    MakeAbsolutePath (second, temp2);
+
+    return !ASSIMP_stricmp(temp1,temp2);
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string DefaultIOSystem::fileName( const std::string &path )
+{
+    std::string ret = path;
+    std::size_t last = ret.find_last_of("\\/");
+    if (last != std::string::npos) ret = ret.substr(last + 1);
+    return ret;
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string DefaultIOSystem::completeBaseName( const std::string &path )
+{
+    std::string ret = fileName(path);
+    std::size_t pos = ret.find_last_of('.');
+    if(pos != ret.npos) ret = ret.substr(0, pos);
+    return ret;
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string DefaultIOSystem::absolutePath( const std::string &path )
+{
+    std::string ret = path;
+    std::size_t last = ret.find_last_of("\\/");
+    if (last != std::string::npos) ret = ret.substr(0, last);
+    return ret;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+#undef PATHLIMIT
diff --git a/thirdparty/assimp/code/DefaultLogger.cpp b/thirdparty/assimp/code/DefaultLogger.cpp
new file mode 100644
index 0000000000..de3528d2b4
--- /dev/null
+++ b/thirdparty/assimp/code/DefaultLogger.cpp
@@ -0,0 +1,418 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  DefaultLogger.cpp
+ *  @brief Implementation of DefaultLogger (and Logger)
+ */
+
+// Default log streams
+#include "Win32DebugLogStream.h"
+#include "StdOStreamLogStream.h"
+#include "FileLogStream.h"
+#include <assimp/StringUtils.h>
+
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/NullLogger.hpp>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/ai_assert.h>
+#include <iostream>
+#include <stdio.h>
+
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+#   include <thread>
+#   include <mutex>
+    std::mutex loggerMutex;
+#endif
+
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+NullLogger DefaultLogger::s_pNullLogger;
+Logger *DefaultLogger::m_pLogger = &DefaultLogger::s_pNullLogger;
+
+static const unsigned int SeverityAll = Logger::Info | Logger::Err | Logger::Warn | Logger::Debugging;
+
+// ----------------------------------------------------------------------------------
+// Represents a log-stream + its error severity
+struct LogStreamInfo {
+    unsigned int  m_uiErrorSeverity;
+    LogStream    *m_pStream;
+
+    // Constructor
+    LogStreamInfo( unsigned int uiErrorSev, LogStream *pStream ) :
+        m_uiErrorSeverity( uiErrorSev ),
+        m_pStream( pStream ) {
+        // empty
+    }
+
+    // Destructor
+    ~LogStreamInfo() {
+        delete m_pStream;
+    }
+};
+
+// ----------------------------------------------------------------------------------
+// Construct a default log stream
+LogStream* LogStream::createDefaultStream(aiDefaultLogStream    streams,
+    const char* name /*= "AssimpLog.txt"*/,
+    IOSystem* io            /*= NULL*/)
+{
+    switch (streams)
+    {
+        // This is a platform-specific feature
+    case aiDefaultLogStream_DEBUGGER:
+#ifdef WIN32
+        return new Win32DebugLogStream();
+#else
+        return nullptr;
+#endif
+
+        // Platform-independent default streams
+    case aiDefaultLogStream_STDERR:
+        return new StdOStreamLogStream(std::cerr);
+    case aiDefaultLogStream_STDOUT:
+        return new StdOStreamLogStream(std::cout);
+    case aiDefaultLogStream_FILE:
+        return (name && *name ? new FileLogStream(name,io) : nullptr );
+    default:
+        // We don't know this default log stream, so raise an assertion
+        ai_assert(false);
+
+    };
+
+    // For compilers without dead code path detection
+    return NULL;
+}
+
+// ----------------------------------------------------------------------------------
+//  Creates the only singleton instance
+Logger *DefaultLogger::create(const char* name /*= "AssimpLog.txt"*/,
+    LogSeverity severity                       /*= NORMAL*/,
+    unsigned int defStreams                    /*= aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE*/,
+    IOSystem* io                               /*= NULL*/) {
+    // enter the mutex here to avoid concurrency problems
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+    std::lock_guard<std::mutex> lock(loggerMutex);
+#endif
+
+    if ( m_pLogger && !isNullLogger() ) {
+        delete m_pLogger;
+    }
+
+    m_pLogger = new DefaultLogger( severity );
+
+    // Attach default log streams
+    // Stream the log to the MSVC debugger?
+    if ( defStreams & aiDefaultLogStream_DEBUGGER ) {
+        m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_DEBUGGER ) );
+    }
+
+    // Stream the log to COUT?
+    if ( defStreams & aiDefaultLogStream_STDOUT ) {
+        m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_STDOUT ) );
+    }
+
+    // Stream the log to CERR?
+    if ( defStreams & aiDefaultLogStream_STDERR ) {
+        m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_STDERR ) );
+    }
+
+    // Stream the log to a file
+    if ( defStreams & aiDefaultLogStream_FILE && name && *name ) {
+        m_pLogger->attachStream( LogStream::createDefaultStream( aiDefaultLogStream_FILE, name, io ) );
+    }
+
+    return m_pLogger;
+}
+
+// ----------------------------------------------------------------------------------
+void Logger::debug(const char* message) {
+
+    // SECURITY FIX: otherwise it's easy to produce overruns since
+    // sometimes importers will include data from the input file
+    // (i.e. node names) in their messages.
+    if (strlen(message)>MAX_LOG_MESSAGE_LENGTH) {
+        return;
+    }
+    return OnDebug(message);
+}
+
+// ----------------------------------------------------------------------------------
+void Logger::info(const char* message)  {
+
+    // SECURITY FIX: see above
+    if (strlen(message)>MAX_LOG_MESSAGE_LENGTH) {
+        return;
+    }
+    return OnInfo(message);
+}
+
+// ----------------------------------------------------------------------------------
+void Logger::warn(const char* message)  {
+
+    // SECURITY FIX: see above
+    if (strlen(message)>MAX_LOG_MESSAGE_LENGTH) {
+        return;
+    }
+    return OnWarn(message);
+}
+
+// ----------------------------------------------------------------------------------
+void Logger::error(const char* message) {
+    // SECURITY FIX: see above
+    if (strlen(message)>MAX_LOG_MESSAGE_LENGTH) {
+        return;
+    }
+    return OnError(message);
+}
+
+// ----------------------------------------------------------------------------------
+void DefaultLogger::set( Logger *logger ) {
+    // enter the mutex here to avoid concurrency problems
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+    std::lock_guard<std::mutex> lock(loggerMutex);
+#endif
+
+    if ( nullptr == logger ) {
+        logger = &s_pNullLogger;
+    }
+    if ( nullptr != m_pLogger && !isNullLogger() ) {
+        delete m_pLogger;
+    }
+
+    DefaultLogger::m_pLogger = logger;
+}
+
+// ----------------------------------------------------------------------------------
+bool DefaultLogger::isNullLogger() {
+    return m_pLogger == &s_pNullLogger;
+}
+
+// ----------------------------------------------------------------------------------
+Logger *DefaultLogger::get() {
+    return m_pLogger;
+}
+
+// ----------------------------------------------------------------------------------
+//  Kills the only instance
+void DefaultLogger::kill() {
+    // enter the mutex here to avoid concurrency problems
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+    std::lock_guard<std::mutex> lock(loggerMutex);
+#endif
+
+	if ( m_pLogger == &s_pNullLogger ) {
+		return;
+	}
+    delete m_pLogger;
+    m_pLogger = &s_pNullLogger;
+}
+
+// ----------------------------------------------------------------------------------
+//  Debug message
+void DefaultLogger::OnDebug( const char* message ) {
+    if ( m_Severity == Logger::NORMAL ) {
+        return;
+    }
+
+	static const size_t Size = MAX_LOG_MESSAGE_LENGTH + 16;
+	char msg[Size];
+	ai_snprintf(msg, Size, "Debug, T%u: %s", GetThreadID(), message);
+
+    WriteToStreams( msg, Logger::Debugging );
+}
+
+// ----------------------------------------------------------------------------------
+//  Logs an info
+void DefaultLogger::OnInfo( const char* message ){
+	static const size_t Size = MAX_LOG_MESSAGE_LENGTH + 16;
+	char msg[Size];
+    ai_snprintf(msg, Size, "Info,  T%u: %s", GetThreadID(), message );
+
+    WriteToStreams( msg , Logger::Info );
+}
+
+// ----------------------------------------------------------------------------------
+//  Logs a warning
+void DefaultLogger::OnWarn( const char* message ) {
+	static const size_t Size = MAX_LOG_MESSAGE_LENGTH + 16;
+	char msg[Size];
+	ai_snprintf(msg, Size, "Warn,  T%u: %s", GetThreadID(), message );
+
+    WriteToStreams( msg, Logger::Warn );
+}
+
+// ----------------------------------------------------------------------------------
+//  Logs an error
+void DefaultLogger::OnError( const char* message ) {
+	static const size_t Size = MAX_LOG_MESSAGE_LENGTH + 16;
+	char msg[ Size ];
+    ai_snprintf(msg, Size, "Error, T%u: %s", GetThreadID(), message );
+
+    WriteToStreams( msg, Logger::Err );
+}
+
+// ----------------------------------------------------------------------------------
+//  Will attach a new stream
+bool DefaultLogger::attachStream( LogStream *pStream, unsigned int severity ) {
+    if ( nullptr == pStream ) {
+        return false;
+    }
+
+    if (0 == severity)  {
+        severity = Logger::Info | Logger::Err | Logger::Warn | Logger::Debugging;
+    }
+
+    for ( StreamIt it = m_StreamArray.begin();
+        it != m_StreamArray.end();
+        ++it )
+    {
+        if ( (*it)->m_pStream == pStream ) {
+            (*it)->m_uiErrorSeverity |= severity;
+            return true;
+        }
+    }
+
+    LogStreamInfo *pInfo = new LogStreamInfo( severity, pStream );
+    m_StreamArray.push_back( pInfo );
+    return true;
+}
+
+// ----------------------------------------------------------------------------------
+//  Detach a stream
+bool DefaultLogger::detatchStream( LogStream *pStream, unsigned int severity ) {
+    if ( nullptr == pStream ) {
+        return false;
+    }
+
+    if (0 == severity)  {
+        severity = SeverityAll;
+    }
+
+    bool res( false );
+    for ( StreamIt it = m_StreamArray.begin(); it != m_StreamArray.end(); ++it ) {
+        if ( (*it)->m_pStream == pStream ) {
+            (*it)->m_uiErrorSeverity &= ~severity;
+            if ( (*it)->m_uiErrorSeverity == 0 ) {
+                // don't delete the underlying stream 'cause the caller gains ownership again
+                (**it).m_pStream = nullptr;
+                delete *it;
+                m_StreamArray.erase( it );
+                res = true;
+                break;
+            }
+            return true;
+        }
+    }
+    return res;
+}
+
+// ----------------------------------------------------------------------------------
+//  Constructor
+DefaultLogger::DefaultLogger(LogSeverity severity)
+    :   Logger  ( severity )
+    ,   noRepeatMsg (false)
+    ,   lastLen( 0 ) {
+    lastMsg[0] = '\0';
+}
+
+// ----------------------------------------------------------------------------------
+//  Destructor
+DefaultLogger::~DefaultLogger() {
+    for ( StreamIt it = m_StreamArray.begin(); it != m_StreamArray.end(); ++it ) {
+        // also frees the underlying stream, we are its owner.
+        delete *it;
+    }
+}
+
+// ----------------------------------------------------------------------------------
+//  Writes message to stream
+void DefaultLogger::WriteToStreams(const char *message, ErrorSeverity ErrorSev ) {
+    ai_assert(nullptr != message);
+
+    // Check whether this is a repeated message
+    if (! ::strncmp( message,lastMsg, lastLen-1))
+    {
+        if (!noRepeatMsg)
+        {
+            noRepeatMsg = true;
+            message = "Skipping one or more lines with the same contents\n";
+        }
+        else return;
+    }
+    else
+    {
+        // append a new-line character to the message to be printed
+        lastLen = ::strlen(message);
+        ::memcpy(lastMsg,message,lastLen+1);
+        ::strcat(lastMsg+lastLen,"\n");
+
+        message = lastMsg;
+        noRepeatMsg = false;
+        ++lastLen;
+    }
+    for ( ConstStreamIt it = m_StreamArray.begin();
+        it != m_StreamArray.end();
+        ++it)
+    {
+        if ( ErrorSev & (*it)->m_uiErrorSeverity )
+            (*it)->m_pStream->write( message);
+    }
+}
+
+// ----------------------------------------------------------------------------------
+//  Returns thread id, if not supported only a zero will be returned.
+unsigned int DefaultLogger::GetThreadID()
+{
+    // fixme: we can get this value via std::threads
+    // std::this_thread::get_id().hash() returns a (big) size_t, not sure if this is useful in this case.
+#ifdef WIN32
+    return (unsigned int)::GetCurrentThreadId();
+#else
+    return 0; // not supported
+#endif
+}
+
+// ----------------------------------------------------------------------------------
+
+} // !namespace Assimp
diff --git a/thirdparty/assimp/code/DefaultProgressHandler.h b/thirdparty/assimp/code/DefaultProgressHandler.h
new file mode 100644
index 0000000000..bd2cce00be
--- /dev/null
+++ b/thirdparty/assimp/code/DefaultProgressHandler.h
@@ -0,0 +1,65 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file ProgressHandler.hpp
+ *  @brief Abstract base class 'ProgressHandler'.
+ */
+#ifndef INCLUDED_AI_DEFAULTPROGRESSHANDLER_H
+#define INCLUDED_AI_DEFAULTPROGRESSHANDLER_H
+
+#include <assimp/ProgressHandler.hpp>
+
+namespace Assimp    {
+
+// ------------------------------------------------------------------------------------
+/** @brief Internal default implementation of the #ProgressHandler interface. */
+class DefaultProgressHandler : public ProgressHandler    {
+
+    virtual bool Update(float /*percentage*/) {
+        return false;
+    }
+
+
+}; // !class DefaultProgressHandler
+} // Namespace Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/DropFaceNormalsProcess.cpp b/thirdparty/assimp/code/DropFaceNormalsProcess.cpp
new file mode 100644
index 0000000000..b11615bb82
--- /dev/null
+++ b/thirdparty/assimp/code/DropFaceNormalsProcess.cpp
@@ -0,0 +1,109 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to drop face
+* normals for all imported faces.
+*/
+
+
+#include "DropFaceNormalsProcess.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+DropFaceNormalsProcess::DropFaceNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+DropFaceNormalsProcess::~DropFaceNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool DropFaceNormalsProcess::IsActive( unsigned int pFlags) const {
+    return  (pFlags & aiProcess_DropNormals) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void DropFaceNormalsProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("DropFaceNormalsProcess begin");
+
+    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
+        throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
+    }
+
+    bool bHas = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++) {
+        bHas |= this->DropMeshFaceNormals( pScene->mMeshes[a]);
+    }
+    if (bHas)   {
+        ASSIMP_LOG_INFO("DropFaceNormalsProcess finished. "
+            "Face normals have been removed");
+    } else {
+        ASSIMP_LOG_DEBUG("DropFaceNormalsProcess finished. "
+            "No normals were present");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+bool DropFaceNormalsProcess::DropMeshFaceNormals (aiMesh* pMesh) {
+    if (NULL == pMesh->mNormals) {
+        return false;
+    }
+    
+    delete[] pMesh->mNormals;
+    pMesh->mNormals = nullptr;
+    return true;
+}
diff --git a/thirdparty/assimp/code/DropFaceNormalsProcess.h b/thirdparty/assimp/code/DropFaceNormalsProcess.h
new file mode 100644
index 0000000000..0d116663b7
--- /dev/null
+++ b/thirdparty/assimp/code/DropFaceNormalsProcess.h
@@ -0,0 +1,86 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to compute face normals for all loaded faces*/
+#ifndef AI_DROPFACENORMALPROCESS_H_INC
+#define AI_DROPFACENORMALPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The DropFaceNormalsProcess computes face normals for all faces of all meshes
+*/
+class ASSIMP_API_WINONLY DropFaceNormalsProcess : public BaseProcess
+{
+public:
+
+    DropFaceNormalsProcess();
+    ~DropFaceNormalsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+
+private:
+    bool DropMeshFaceNormals(aiMesh* pcMesh);
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_DROPFACENORMALPROCESS_H_INC
diff --git a/thirdparty/assimp/code/EmbedTexturesProcess.cpp b/thirdparty/assimp/code/EmbedTexturesProcess.cpp
new file mode 100644
index 0000000000..739382a057
--- /dev/null
+++ b/thirdparty/assimp/code/EmbedTexturesProcess.cpp
@@ -0,0 +1,152 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#include "EmbedTexturesProcess.h"
+#include <assimp/ParsingUtils.h>
+#include "ProcessHelper.h"
+
+#include <fstream>
+
+using namespace Assimp;
+
+EmbedTexturesProcess::EmbedTexturesProcess()
+: BaseProcess() {
+}
+
+EmbedTexturesProcess::~EmbedTexturesProcess() {
+}
+
+bool EmbedTexturesProcess::IsActive(unsigned int pFlags) const {
+    return (pFlags & aiProcess_EmbedTextures) != 0;
+}
+
+void EmbedTexturesProcess::SetupProperties(const Importer* pImp) {
+    mRootPath = pImp->GetPropertyString("sourceFilePath");
+    mRootPath = mRootPath.substr(0, mRootPath.find_last_of("\\/") + 1u);
+}
+
+void EmbedTexturesProcess::Execute(aiScene* pScene) {
+    if (pScene == nullptr || pScene->mRootNode == nullptr) return;
+
+    aiString path;
+
+    uint32_t embeddedTexturesCount = 0u;
+
+    for (auto matId = 0u; matId < pScene->mNumMaterials; ++matId) {
+        auto material = pScene->mMaterials[matId];
+
+        for (auto ttId = 1u; ttId < AI_TEXTURE_TYPE_MAX; ++ttId) {
+            auto tt = static_cast<aiTextureType>(ttId);
+            auto texturesCount = material->GetTextureCount(tt);
+
+            for (auto texId = 0u; texId < texturesCount; ++texId) {
+                material->GetTexture(tt, texId, &path);
+                if (path.data[0] == '*') continue; // Already embedded
+
+                // Indeed embed
+                if (addTexture(pScene, path.data)) {
+                    auto embeddedTextureId = pScene->mNumTextures - 1u;
+                    ::ai_snprintf(path.data, 1024, "*%u", embeddedTextureId);
+                    material->AddProperty(&path, AI_MATKEY_TEXTURE(tt, texId));
+                    embeddedTexturesCount++;
+                }
+            }
+        }
+    }
+
+    ASSIMP_LOG_INFO_F("EmbedTexturesProcess finished. Embedded ", embeddedTexturesCount, " textures." );
+}
+
+bool EmbedTexturesProcess::addTexture(aiScene* pScene, std::string path) const {
+    std::streampos imageSize = 0;
+    std::string    imagePath = path;
+
+    // Test path directly
+    std::ifstream file(imagePath, std::ios::binary | std::ios::ate);
+    if ((imageSize = file.tellg()) == std::streampos(-1)) {
+        ASSIMP_LOG_WARN_F("EmbedTexturesProcess: Cannot find image: ", imagePath, ". Will try to find it in root folder.");
+
+        // Test path in root path
+        imagePath = mRootPath + path;
+        file.open(imagePath, std::ios::binary | std::ios::ate);
+        if ((imageSize = file.tellg()) == std::streampos(-1)) {
+            // Test path basename in root path
+            imagePath = mRootPath + path.substr(path.find_last_of("\\/") + 1u);
+            file.open(imagePath, std::ios::binary | std::ios::ate);
+            if ((imageSize = file.tellg()) == std::streampos(-1)) {
+                ASSIMP_LOG_ERROR_F("EmbedTexturesProcess: Unable to embed texture: ", path, ".");
+                return false;
+            }
+        }
+    }
+
+    aiTexel* imageContent = new aiTexel[ 1ul + static_cast<unsigned long>( imageSize ) / sizeof(aiTexel)];
+    file.seekg(0, std::ios::beg);
+    file.read(reinterpret_cast<char*>(imageContent), imageSize);
+
+    // Enlarging the textures table
+    unsigned int textureId = pScene->mNumTextures++;
+    auto oldTextures = pScene->mTextures;
+    pScene->mTextures = new aiTexture*[pScene->mNumTextures];
+    ::memmove(pScene->mTextures, oldTextures, sizeof(aiTexture*) * (pScene->mNumTextures - 1u));
+
+    // Add the new texture
+    auto pTexture = new aiTexture;
+    pTexture->mHeight = 0; // Means that this is still compressed
+    pTexture->mWidth = static_cast<uint32_t>(imageSize);
+    pTexture->pcData = imageContent;
+
+    auto extension = path.substr(path.find_last_of('.') + 1u);
+    std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
+    if (extension == "jpeg") {
+        extension = "jpg";
+    }
+
+    size_t len = extension.size();
+    if (len > HINTMAXTEXTURELEN -1 ) {
+        len = HINTMAXTEXTURELEN - 1;
+    }
+    ::strncpy(pTexture->achFormatHint, extension.c_str(), len);
+    pScene->mTextures[textureId] = pTexture;
+
+    return true;
+}
diff --git a/thirdparty/assimp/code/EmbedTexturesProcess.h b/thirdparty/assimp/code/EmbedTexturesProcess.h
new file mode 100644
index 0000000000..cdf40bef74
--- /dev/null
+++ b/thirdparty/assimp/code/EmbedTexturesProcess.h
@@ -0,0 +1,85 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#pragma once
+
+#include "BaseProcess.h"
+
+#include <string>
+
+struct aiNode;
+
+namespace Assimp {
+
+/**
+ *  Force embedding of textures (using the path = "*1" convention).
+ *  If a texture's file does not exist at the specified path
+ *  (due, for instance, to an absolute path generated on another system),
+ *  it will check if a file with the same name exists at the root folder
+ *  of the imported model. And if so, it uses that.
+ */
+class ASSIMP_API EmbedTexturesProcess : public BaseProcess {
+public:
+    /// The default class constructor.
+    EmbedTexturesProcess();
+
+    /// The class destructor.
+    virtual ~EmbedTexturesProcess();
+
+    /// Overwritten, @see BaseProcess
+    virtual bool IsActive(unsigned int pFlags) const;
+
+    /// Overwritten, @see BaseProcess
+    virtual void SetupProperties(const Importer* pImp);
+
+    /// Overwritten, @see BaseProcess
+    virtual void Execute(aiScene* pScene);
+
+private:
+    // Resolve the path and add the file content to the scene as a texture.
+    bool addTexture(aiScene* pScene, std::string path) const;
+
+private:
+    std::string mRootPath;
+};
+
+} // namespace Assimp
diff --git a/thirdparty/assimp/code/Exporter.cpp b/thirdparty/assimp/code/Exporter.cpp
new file mode 100644
index 0000000000..8848e87f5b
--- /dev/null
+++ b/thirdparty/assimp/code/Exporter.cpp
@@ -0,0 +1,648 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Exporter.cpp
+
+Assimp export interface. While it's public interface bears many similarities
+to the import interface (in fact, it is largely symmetric), the internal
+implementations differs a lot. Exporters are considered stateless and are
+simple callbacks which we maintain in a global list along with their
+description strings.
+
+Here we implement only the C++ interface (Assimp::Exporter).
+*/
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+#include <assimp/BlobIOSystem.h>
+#include <assimp/SceneCombiner.h>
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/mesh.h>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+
+#include "DefaultProgressHandler.h"
+#include "BaseProcess.h"
+#include "JoinVerticesProcess.h"
+#include "MakeVerboseFormat.h"
+#include "ConvertToLHProcess.h"
+#include "PretransformVertices.h"
+#include <assimp/Exceptional.h>
+#include "ScenePrivate.h"
+
+#include <memory>
+
+namespace Assimp {
+
+// PostStepRegistry.cpp
+void GetPostProcessingStepInstanceList(std::vector< BaseProcess* >& out);
+
+// ------------------------------------------------------------------------------------------------
+// Exporter worker function prototypes. Should not be necessary to #ifndef them, it's just a prototype
+// do not use const, because some exporter need to convert the scene temporary
+void ExportSceneCollada(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneXFile(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneStep(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneObj(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneObjNoMtl(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneSTL(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneSTLBinary(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportScenePly(const char*,IOSystem*, const aiScene*, const ExportProperties*);
+void ExportScenePlyBinary(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportScene3DS(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneGLTF(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneGLB(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneGLTF2(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneGLB2(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneAssbin(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneAssxml(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneX3D(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneFBX(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneFBXA(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportScene3MF( const char*, IOSystem*, const aiScene*, const ExportProperties* );
+
+// ------------------------------------------------------------------------------------------------
+// global array of all export formats which Assimp supports in its current build
+Exporter::ExportFormatEntry gExporters[] =
+{
+#ifndef ASSIMP_BUILD_NO_COLLADA_EXPORTER
+    Exporter::ExportFormatEntry( "collada", "COLLADA - Digital Asset Exchange Schema", "dae", &ExportSceneCollada ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_X_EXPORTER
+    Exporter::ExportFormatEntry( "x", "X Files", "x", &ExportSceneXFile,
+        aiProcess_MakeLeftHanded | aiProcess_FlipWindingOrder | aiProcess_FlipUVs ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_STEP_EXPORTER
+    Exporter::ExportFormatEntry( "stp", "Step Files", "stp", &ExportSceneStep, 0 ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_OBJ_EXPORTER
+    Exporter::ExportFormatEntry( "obj", "Wavefront OBJ format", "obj", &ExportSceneObj,
+        aiProcess_GenSmoothNormals /*| aiProcess_PreTransformVertices */ ),
+    Exporter::ExportFormatEntry( "objnomtl", "Wavefront OBJ format without material file", "obj", &ExportSceneObjNoMtl,
+        aiProcess_GenSmoothNormals /*| aiProcess_PreTransformVertices */ ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_STL_EXPORTER
+    Exporter::ExportFormatEntry( "stl", "Stereolithography", "stl" , &ExportSceneSTL,
+        aiProcess_Triangulate | aiProcess_GenNormals | aiProcess_PreTransformVertices
+    ),
+    Exporter::ExportFormatEntry( "stlb", "Stereolithography (binary)", "stl" , &ExportSceneSTLBinary,
+        aiProcess_Triangulate | aiProcess_GenNormals | aiProcess_PreTransformVertices
+    ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_PLY_EXPORTER
+    Exporter::ExportFormatEntry( "ply", "Stanford Polygon Library", "ply" , &ExportScenePly,
+        aiProcess_PreTransformVertices
+    ),
+    Exporter::ExportFormatEntry( "plyb", "Stanford Polygon Library (binary)", "ply", &ExportScenePlyBinary,
+        aiProcess_PreTransformVertices
+    ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_3DS_EXPORTER
+    Exporter::ExportFormatEntry( "3ds", "Autodesk 3DS (legacy)", "3ds" , &ExportScene3DS,
+        aiProcess_Triangulate | aiProcess_SortByPType | aiProcess_JoinIdenticalVertices ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER
+    Exporter::ExportFormatEntry( "gltf2", "GL Transmission Format v. 2", "gltf", &ExportSceneGLTF2,
+        aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ),
+    Exporter::ExportFormatEntry( "glb2", "GL Transmission Format v. 2 (binary)", "glb", &ExportSceneGLB2,
+        aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ),
+    Exporter::ExportFormatEntry( "gltf", "GL Transmission Format", "gltf", &ExportSceneGLTF,
+        aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ),
+    Exporter::ExportFormatEntry( "glb", "GL Transmission Format (binary)", "glb", &ExportSceneGLB,
+        aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER
+    Exporter::ExportFormatEntry( "assbin", "Assimp Binary", "assbin" , &ExportSceneAssbin, 0 ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_ASSXML_EXPORTER
+    Exporter::ExportFormatEntry( "assxml", "Assxml Document", "assxml" , &ExportSceneAssxml, 0 ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_X3D_EXPORTER
+    Exporter::ExportFormatEntry( "x3d", "Extensible 3D", "x3d" , &ExportSceneX3D, 0 ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+    Exporter::ExportFormatEntry( "fbx", "Autodesk FBX (binary)", "fbx", &ExportSceneFBX, 0 ),
+    Exporter::ExportFormatEntry( "fbxa", "Autodesk FBX (ascii)", "fbx", &ExportSceneFBXA, 0 ),
+#endif
+
+#ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
+    Exporter::ExportFormatEntry( "3mf", "The 3MF-File-Format", "3mf", &ExportScene3MF, 0 )
+#endif
+};
+
+#define ASSIMP_NUM_EXPORTERS (sizeof(gExporters)/sizeof(gExporters[0]))
+
+
+class ExporterPimpl {
+public:
+    ExporterPimpl()
+    : blob()
+    , mIOSystem(new Assimp::DefaultIOSystem())
+    , mIsDefaultIOHandler(true)
+    , mProgressHandler( nullptr )
+    , mIsDefaultProgressHandler( true )
+    , mPostProcessingSteps()
+    , mError()
+    , mExporters() {
+        GetPostProcessingStepInstanceList(mPostProcessingSteps);
+
+        // grab all built-in exporters
+        if ( 0 != ( ASSIMP_NUM_EXPORTERS ) ) {
+            mExporters.resize( ASSIMP_NUM_EXPORTERS );
+            std::copy( gExporters, gExporters + ASSIMP_NUM_EXPORTERS, mExporters.begin() );
+        }
+    }
+
+    ~ExporterPimpl() {
+        delete blob;
+
+        // Delete all post-processing plug-ins
+        for( unsigned int a = 0; a < mPostProcessingSteps.size(); a++) {
+            delete mPostProcessingSteps[a];
+        }
+        delete mProgressHandler;
+    }
+
+public:
+    aiExportDataBlob* blob;
+    std::shared_ptr< Assimp::IOSystem > mIOSystem;
+    bool mIsDefaultIOHandler;
+
+    /** The progress handler */
+    ProgressHandler *mProgressHandler;
+    bool mIsDefaultProgressHandler;
+
+    /** Post processing steps we can apply at the imported data. */
+    std::vector< BaseProcess* > mPostProcessingSteps;
+
+    /** Last fatal export error */
+    std::string mError;
+
+    /** Exporters, this includes those registered using #Assimp::Exporter::RegisterExporter */
+    std::vector<Exporter::ExportFormatEntry> mExporters;
+};
+
+} // end of namespace Assimp
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+Exporter :: Exporter()
+: pimpl(new ExporterPimpl()) {
+    pimpl->mProgressHandler = new DefaultProgressHandler();
+}
+
+// ------------------------------------------------------------------------------------------------
+Exporter::~Exporter() {
+    FreeBlob();
+    delete pimpl;
+}
+
+// ------------------------------------------------------------------------------------------------
+void Exporter::SetIOHandler( IOSystem* pIOHandler) {
+    pimpl->mIsDefaultIOHandler = !pIOHandler;
+    pimpl->mIOSystem.reset(pIOHandler);
+}
+
+// ------------------------------------------------------------------------------------------------
+IOSystem* Exporter::GetIOHandler() const {
+    return pimpl->mIOSystem.get();
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Exporter::IsDefaultIOHandler() const {
+    return pimpl->mIsDefaultIOHandler;
+}
+
+// ------------------------------------------------------------------------------------------------
+void Exporter::SetProgressHandler(ProgressHandler* pHandler) {
+    ai_assert(nullptr != pimpl);
+
+    if ( nullptr == pHandler) {
+        // Release pointer in the possession of the caller
+        pimpl->mProgressHandler = new DefaultProgressHandler();
+        pimpl->mIsDefaultProgressHandler = true;
+        return;
+    }
+
+    if (pimpl->mProgressHandler == pHandler) {
+        return;
+    }
+
+    delete pimpl->mProgressHandler;
+    pimpl->mProgressHandler = pHandler;
+    pimpl->mIsDefaultProgressHandler = false;
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiExportDataBlob* Exporter::ExportToBlob( const aiScene* pScene, const char* pFormatId,
+                                                unsigned int, const ExportProperties* /*pProperties*/ ) {
+    if (pimpl->blob) {
+        delete pimpl->blob;
+        pimpl->blob = nullptr;
+    }
+
+    std::shared_ptr<IOSystem> old = pimpl->mIOSystem;
+    BlobIOSystem* blobio = new BlobIOSystem();
+    pimpl->mIOSystem = std::shared_ptr<IOSystem>( blobio );
+
+    if (AI_SUCCESS != Export(pScene,pFormatId,blobio->GetMagicFileName())) {
+        pimpl->mIOSystem = old;
+        return nullptr;
+    }
+
+    pimpl->blob = blobio->GetBlobChain();
+    pimpl->mIOSystem = old;
+
+    return pimpl->blob;
+}
+
+// ------------------------------------------------------------------------------------------------
+bool IsVerboseFormat(const aiMesh* mesh) {
+    // avoid slow vector<bool> specialization
+    std::vector<unsigned int> seen(mesh->mNumVertices,0);
+    for(unsigned int i = 0; i < mesh->mNumFaces; ++i) {
+        const aiFace& f = mesh->mFaces[i];
+        for(unsigned int j = 0; j < f.mNumIndices; ++j) {
+            if(++seen[f.mIndices[j]] == 2) {
+                // found a duplicate index
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+bool IsVerboseFormat(const aiScene* pScene) {
+    for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+        if(!IsVerboseFormat(pScene->mMeshes[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const char* pPath,
+        unsigned int pPreprocessing, const ExportProperties* pProperties) {
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+    // when they create scenes from scratch, users will likely create them not in verbose
+    // format. They will likely not be aware that there is a flag in the scene to indicate
+    // this, however. To avoid surprises and bug reports, we check for duplicates in
+    // meshes upfront.
+    const bool is_verbose_format = !(pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) || IsVerboseFormat(pScene);
+
+    pimpl->mProgressHandler->UpdateFileWrite(0, 4);
+
+    pimpl->mError = "";
+    for (size_t i = 0; i < pimpl->mExporters.size(); ++i) {
+        const Exporter::ExportFormatEntry& exp = pimpl->mExporters[i];
+        if (!strcmp(exp.mDescription.id,pFormatId)) {
+            try {
+                // Always create a full copy of the scene. We might optimize this one day,
+                // but for now it is the most pragmatic way.
+                aiScene* scenecopy_tmp = nullptr;
+                SceneCombiner::CopyScene(&scenecopy_tmp,pScene);
+
+                pimpl->mProgressHandler->UpdateFileWrite(1, 4);
+
+                std::unique_ptr<aiScene> scenecopy(scenecopy_tmp);
+                const ScenePrivateData* const priv = ScenePriv(pScene);
+
+                // steps that are not idempotent, i.e. we might need to run them again, usually to get back to the
+                // original state before the step was applied first. When checking which steps we don't need
+                // to run, those are excluded.
+                const unsigned int nonIdempotentSteps = aiProcess_FlipWindingOrder | aiProcess_FlipUVs | aiProcess_MakeLeftHanded;
+
+                // Erase all pp steps that were already applied to this scene
+                const unsigned int pp = (exp.mEnforcePP | pPreprocessing) & ~(priv && !priv->mIsCopy
+                    ? (priv->mPPStepsApplied & ~nonIdempotentSteps)
+                    : 0u);
+
+                // If no extra post-processing was specified, and we obtained this scene from an
+                // Assimp importer, apply the reverse steps automatically.
+                // TODO: either drop this, or document it. Otherwise it is just a bad surprise.
+                //if (!pPreprocessing && priv) {
+                //  pp |= (nonIdempotentSteps & priv->mPPStepsApplied);
+                //}
+
+                // If the input scene is not in verbose format, but there is at least post-processing step that relies on it,
+                // we need to run the MakeVerboseFormat step first.
+                bool must_join_again = false;
+                if (!is_verbose_format) {
+                    bool verbosify = false;
+                    for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++) {
+                        BaseProcess* const p = pimpl->mPostProcessingSteps[a];
+
+                        if (p->IsActive(pp) && p->RequireVerboseFormat()) {
+                            verbosify = true;
+                            break;
+                        }
+                    }
+
+                    if (verbosify || (exp.mEnforcePP & aiProcess_JoinIdenticalVertices)) {
+                        ASSIMP_LOG_DEBUG("export: Scene data not in verbose format, applying MakeVerboseFormat step first");
+
+                        MakeVerboseFormatProcess proc;
+                        proc.Execute(scenecopy.get());
+
+                        if(!(exp.mEnforcePP & aiProcess_JoinIdenticalVertices)) {
+                            must_join_again = true;
+                        }
+                    }
+                }
+
+                pimpl->mProgressHandler->UpdateFileWrite(2, 4);
+
+                if (pp) {
+                    // the three 'conversion' steps need to be executed first because all other steps rely on the standard data layout
+                    {
+                        FlipWindingOrderProcess step;
+                        if (step.IsActive(pp)) {
+                            step.Execute(scenecopy.get());
+                        }
+                    }
+
+                    {
+                        FlipUVsProcess step;
+                        if (step.IsActive(pp)) {
+                            step.Execute(scenecopy.get());
+                        }
+                    }
+
+                    {
+                        MakeLeftHandedProcess step;
+                        if (step.IsActive(pp)) {
+                            step.Execute(scenecopy.get());
+                        }
+                    }
+
+                    bool exportPointCloud(false);
+                    if (nullptr != pProperties) {
+                        exportPointCloud = pProperties->GetPropertyBool(AI_CONFIG_EXPORT_POINT_CLOUDS);
+                    }
+
+                    // dispatch other processes
+                    for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++) {
+                        BaseProcess* const p = pimpl->mPostProcessingSteps[a];
+
+                        if (p->IsActive(pp)
+                            && !dynamic_cast<FlipUVsProcess*>(p)
+                            && !dynamic_cast<FlipWindingOrderProcess*>(p)
+                            && !dynamic_cast<MakeLeftHandedProcess*>(p)) {
+                            if (dynamic_cast<PretransformVertices*>(p) && exportPointCloud) {
+                                continue;
+                            }
+                            p->Execute(scenecopy.get());
+                        }
+                    }
+                    ScenePrivateData* const privOut = ScenePriv(scenecopy.get());
+                    ai_assert(nullptr != privOut);
+
+                    privOut->mPPStepsApplied |= pp;
+                }
+
+                pimpl->mProgressHandler->UpdateFileWrite(3, 4);
+
+                if(must_join_again) {
+                    JoinVerticesProcess proc;
+                    proc.Execute(scenecopy.get());
+                }
+
+                ExportProperties emptyProperties;  // Never pass NULL ExportProperties so Exporters don't have to worry.
+                exp.mExportFunction(pPath,pimpl->mIOSystem.get(),scenecopy.get(), pProperties ? pProperties : &emptyProperties);
+
+                pimpl->mProgressHandler->UpdateFileWrite(4, 4);
+            } catch (DeadlyExportError& err) {
+                pimpl->mError = err.what();
+                return AI_FAILURE;
+            }
+            return AI_SUCCESS;
+        }
+    }
+
+    pimpl->mError = std::string("Found no exporter to handle this file format: ") + pFormatId;
+    ASSIMP_END_EXCEPTION_REGION(aiReturn);
+
+    return AI_FAILURE;
+}
+
+// ------------------------------------------------------------------------------------------------
+const char* Exporter::GetErrorString() const {
+    return pimpl->mError.c_str();
+}
+
+// ------------------------------------------------------------------------------------------------
+void Exporter::FreeBlob() {
+    delete pimpl->blob;
+    pimpl->blob = nullptr;
+
+    pimpl->mError = "";
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiExportDataBlob* Exporter::GetBlob() const {
+    return pimpl->blob;
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiExportDataBlob* Exporter::GetOrphanedBlob() const {
+    const aiExportDataBlob* tmp = pimpl->blob;
+    pimpl->blob = nullptr;
+    return tmp;
+}
+
+// ------------------------------------------------------------------------------------------------
+size_t Exporter::GetExportFormatCount() const {
+    return pimpl->mExporters.size();
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiExportFormatDesc* Exporter::GetExportFormatDescription( size_t index ) const {
+    if (index >= GetExportFormatCount()) {
+        return nullptr;
+    }
+
+    // Return from static storage if the requested index is built-in.
+    if (index < sizeof(gExporters) / sizeof(gExporters[0])) {
+        return &gExporters[index].mDescription;
+    }
+
+    return &pimpl->mExporters[index].mDescription;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn Exporter::RegisterExporter(const ExportFormatEntry& desc) {
+    for(const ExportFormatEntry& e : pimpl->mExporters) {
+        if (!strcmp(e.mDescription.id,desc.mDescription.id)) {
+            return aiReturn_FAILURE;
+        }
+    }
+
+    pimpl->mExporters.push_back(desc);
+    return aiReturn_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+void Exporter::UnregisterExporter(const char* id) {
+    for(std::vector<ExportFormatEntry>::iterator it = pimpl->mExporters.begin();
+            it != pimpl->mExporters.end(); ++it) {
+        if (!strcmp((*it).mDescription.id,id)) {
+            pimpl->mExporters.erase(it);
+            break;
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+ExportProperties::ExportProperties() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+ExportProperties::ExportProperties(const ExportProperties &other)
+: mIntProperties(other.mIntProperties)
+, mFloatProperties(other.mFloatProperties)
+, mStringProperties(other.mStringProperties)
+, mMatrixProperties(other.mMatrixProperties) {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool ExportProperties::SetPropertyInteger(const char* szName, int iValue) {
+    return SetGenericProperty<int>(mIntProperties, szName,iValue);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool ExportProperties::SetPropertyFloat(const char* szName, ai_real iValue) {
+    return SetGenericProperty<ai_real>(mFloatProperties, szName,iValue);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool ExportProperties::SetPropertyString(const char* szName, const std::string& value) {
+    return SetGenericProperty<std::string>(mStringProperties, szName,value);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool ExportProperties::SetPropertyMatrix(const char* szName, const aiMatrix4x4& value) {
+    return SetGenericProperty<aiMatrix4x4>(mMatrixProperties, szName,value);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+int ExportProperties::GetPropertyInteger(const char* szName, int iErrorReturn /*= 0xffffffff*/) const {
+    return GetGenericProperty<int>(mIntProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+ai_real ExportProperties::GetPropertyFloat(const char* szName, ai_real iErrorReturn /*= 10e10*/) const {
+    return GetGenericProperty<ai_real>(mFloatProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+const std::string ExportProperties::GetPropertyString(const char* szName,
+        const std::string& iErrorReturn /*= ""*/) const {
+    return GetGenericProperty<std::string>(mStringProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+const aiMatrix4x4 ExportProperties::GetPropertyMatrix(const char* szName,
+        const aiMatrix4x4& iErrorReturn /*= aiMatrix4x4()*/) const {
+    return GetGenericProperty<aiMatrix4x4>(mMatrixProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+bool ExportProperties::HasPropertyInteger(const char* szName) const {
+    return HasGenericProperty<int>(mIntProperties, szName);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+bool ExportProperties::HasPropertyBool(const char* szName) const {
+    return HasGenericProperty<int>(mIntProperties, szName);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+bool ExportProperties::HasPropertyFloat(const char* szName) const {
+    return HasGenericProperty<ai_real>(mFloatProperties, szName);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+bool ExportProperties::HasPropertyString(const char* szName) const {
+    return HasGenericProperty<std::string>(mStringProperties, szName);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Has a configuration property
+bool ExportProperties::HasPropertyMatrix(const char* szName) const {
+    return HasGenericProperty<aiMatrix4x4>(mMatrixProperties, szName);
+}
+
+
+#endif // !ASSIMP_BUILD_NO_EXPORT
diff --git a/thirdparty/assimp/code/FBXAnimation.cpp b/thirdparty/assimp/code/FBXAnimation.cpp
new file mode 100644
index 0000000000..874914431b
--- /dev/null
+++ b/thirdparty/assimp/code/FBXAnimation.cpp
@@ -0,0 +1,305 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXAnimation.cpp
+ *  @brief Assimp::FBX::AnimationCurve, Assimp::FBX::AnimationCurveNode,
+ *         Assimp::FBX::AnimationLayer, Assimp::FBX::AnimationStack
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXImporter.h"
+#include "FBXDocumentUtil.h"
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+AnimationCurve::AnimationCurve(uint64_t id, const Element& element, const std::string& name, const Document& /*doc*/)
+: Object(id, element, name)
+{
+    const Scope& sc = GetRequiredScope(element);
+    const Element& KeyTime = GetRequiredElement(sc,"KeyTime");
+    const Element& KeyValueFloat = GetRequiredElement(sc,"KeyValueFloat");
+
+    ParseVectorDataArray(keys, KeyTime);
+    ParseVectorDataArray(values, KeyValueFloat);
+
+    if(keys.size() != values.size()) {
+        DOMError("the number of key times does not match the number of keyframe values",&KeyTime);
+    }
+
+    // check if the key times are well-ordered
+    if(!std::equal(keys.begin(), keys.end() - 1, keys.begin() + 1, std::less<KeyTimeList::value_type>())) {
+        DOMError("the keyframes are not in ascending order",&KeyTime);
+    }
+
+    const Element* KeyAttrDataFloat = sc["KeyAttrDataFloat"];
+    if(KeyAttrDataFloat) {
+        ParseVectorDataArray(attributes, *KeyAttrDataFloat);
+    }
+
+    const Element* KeyAttrFlags = sc["KeyAttrFlags"];
+    if(KeyAttrFlags) {
+        ParseVectorDataArray(flags, *KeyAttrFlags);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationCurve::~AnimationCurve()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationCurveNode::AnimationCurveNode(uint64_t id, const Element& element, const std::string& name, 
+        const Document& doc, const char* const * target_prop_whitelist /*= NULL*/, 
+        size_t whitelist_size /*= 0*/)
+: Object(id, element, name)
+, target()
+, doc(doc)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    // find target node
+    const char* whitelist[] = {"Model","NodeAttribute","Deformer"};
+    const std::vector<const Connection*>& conns = doc.GetConnectionsBySourceSequenced(ID(),whitelist,3);
+
+    for(const Connection* con : conns) {
+
+        // link should go for a property
+        if (!con->PropertyName().length()) {
+            continue;
+        }
+
+        if(target_prop_whitelist) {
+            const char* const s = con->PropertyName().c_str();
+            bool ok = false;
+            for (size_t i = 0; i < whitelist_size; ++i) {
+                if (!strcmp(s, target_prop_whitelist[i])) {
+                    ok = true;
+                    break;
+                }
+            }
+
+            if (!ok) {
+                throw std::range_error("AnimationCurveNode target property is not in whitelist");
+            }
+        }
+
+        const Object* const ob = con->DestinationObject();
+        if(!ob) {
+            DOMWarning("failed to read destination object for AnimationCurveNode->Model link, ignoring",&element);
+            continue;
+        }
+
+        // XXX support constraints as DOM class
+        //ai_assert(dynamic_cast<const Model*>(ob) || dynamic_cast<const NodeAttribute*>(ob));
+        target = ob;
+        if(!target) {
+            continue;
+        }
+
+        prop = con->PropertyName();
+        break;
+    }
+
+    if(!target) {
+        DOMWarning("failed to resolve target Model/NodeAttribute/Constraint for AnimationCurveNode",&element);
+    }
+
+    props = GetPropertyTable(doc,"AnimationCurveNode.FbxAnimCurveNode",element,sc,false);
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationCurveNode::~AnimationCurveNode()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+const AnimationCurveMap& AnimationCurveNode::Curves() const
+{
+    if ( curves.empty() ) {
+        // resolve attached animation curves
+        const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"AnimationCurve");
+
+        for(const Connection* con : conns) {
+
+            // link should go for a property
+            if (!con->PropertyName().length()) {
+                continue;
+            }
+
+            const Object* const ob = con->SourceObject();
+            if(!ob) {
+                DOMWarning("failed to read source object for AnimationCurve->AnimationCurveNode link, ignoring",&element);
+                continue;
+            }
+
+            const AnimationCurve* const anim = dynamic_cast<const AnimationCurve*>(ob);
+            if(!anim) {
+                DOMWarning("source object for ->AnimationCurveNode link is not an AnimationCurve",&element);
+                continue;
+            }
+
+            curves[con->PropertyName()] = anim;
+        }
+    }
+
+    return curves;
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationLayer::AnimationLayer(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+: Object(id, element, name)
+, doc(doc)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    // note: the props table here bears little importance and is usually absent
+    props = GetPropertyTable(doc,"AnimationLayer.FbxAnimLayer",element,sc, true);
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationLayer::~AnimationLayer()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationCurveNodeList AnimationLayer::Nodes(const char* const * target_prop_whitelist /*= NULL*/,
+    size_t whitelist_size /*= 0*/) const
+{
+    AnimationCurveNodeList nodes;
+
+    // resolve attached animation nodes
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"AnimationCurveNode");
+    nodes.reserve(conns.size());
+
+    for(const Connection* con : conns) {
+
+        // link should not go to a property
+        if (con->PropertyName().length()) {
+            continue;
+        }
+
+        const Object* const ob = con->SourceObject();
+        if(!ob) {
+            DOMWarning("failed to read source object for AnimationCurveNode->AnimationLayer link, ignoring",&element);
+            continue;
+        }
+
+        const AnimationCurveNode* const anim = dynamic_cast<const AnimationCurveNode*>(ob);
+        if(!anim) {
+            DOMWarning("source object for ->AnimationLayer link is not an AnimationCurveNode",&element);
+            continue;
+        }
+
+        if(target_prop_whitelist) {
+            const char* s = anim->TargetProperty().c_str();
+            bool ok = false;
+            for (size_t i = 0; i < whitelist_size; ++i) {
+                if (!strcmp(s, target_prop_whitelist[i])) {
+                    ok = true;
+                    break;
+                }
+            }
+            if(!ok) {
+                continue;
+            }
+        }
+        nodes.push_back(anim);
+    }
+
+    return nodes; // pray for NRVO
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationStack::AnimationStack(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+: Object(id, element, name)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    // note: we don't currently use any of these properties so we shouldn't bother if it is missing
+    props = GetPropertyTable(doc,"AnimationStack.FbxAnimStack",element,sc, true);
+
+    // resolve attached animation layers
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"AnimationLayer");
+    layers.reserve(conns.size());
+
+    for(const Connection* con : conns) {
+
+        // link should not go to a property
+        if (con->PropertyName().length()) {
+            continue;
+        }
+
+        const Object* const ob = con->SourceObject();
+        if(!ob) {
+            DOMWarning("failed to read source object for AnimationLayer->AnimationStack link, ignoring",&element);
+            continue;
+        }
+
+        const AnimationLayer* const anim = dynamic_cast<const AnimationLayer*>(ob);
+        if(!anim) {
+            DOMWarning("source object for ->AnimationStack link is not an AnimationLayer",&element);
+            continue;
+        }
+        layers.push_back(anim);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+AnimationStack::~AnimationStack()
+{
+    // empty
+}
+
+} //!FBX
+} //!Assimp
+
+#endif // ASSIMP_BUILD_NO_FBX_IMPORTER
diff --git a/thirdparty/assimp/code/FBXBinaryTokenizer.cpp b/thirdparty/assimp/code/FBXBinaryTokenizer.cpp
new file mode 100644
index 0000000000..7138df4315
--- /dev/null
+++ b/thirdparty/assimp/code/FBXBinaryTokenizer.cpp
@@ -0,0 +1,466 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+/** @file  FBXBinaryTokenizer.cpp
+ *  @brief Implementation of a fake lexer for binary fbx files -
+ *    we emit tokens so the parser needs almost no special handling
+ *    for binary files.
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXTokenizer.h"
+#include "FBXUtil.h"
+#include <assimp/defs.h>
+#include <stdint.h>
+#include <assimp/Exceptional.h>
+#include <assimp/ByteSwapper.h>
+
+namespace Assimp {
+namespace FBX {
+
+//enum Flag
+//{
+//   e_unknown_0 = 1 << 0,
+//   e_unknown_1 = 1 << 1,
+//   e_unknown_2 = 1 << 2,
+//   e_unknown_3 = 1 << 3,
+//   e_unknown_4 = 1 << 4,
+//   e_unknown_5 = 1 << 5,
+//   e_unknown_6 = 1 << 6,
+//   e_unknown_7 = 1 << 7,
+//   e_unknown_8 = 1 << 8,
+//   e_unknown_9 = 1 << 9,
+//   e_unknown_10 = 1 << 10,
+//   e_unknown_11 = 1 << 11,
+//   e_unknown_12 = 1 << 12,
+//   e_unknown_13 = 1 << 13,
+//   e_unknown_14 = 1 << 14,
+//   e_unknown_15 = 1 << 15,
+//   e_unknown_16 = 1 << 16,
+//   e_unknown_17 = 1 << 17,
+//   e_unknown_18 = 1 << 18,
+//   e_unknown_19 = 1 << 19,
+//   e_unknown_20 = 1 << 20,
+//   e_unknown_21 = 1 << 21,
+//   e_unknown_22 = 1 << 22,
+//   e_unknown_23 = 1 << 23,
+//   e_flag_field_size_64_bit = 1 << 24, // Not sure what is
+//   e_unknown_25 = 1 << 25,
+//   e_unknown_26 = 1 << 26,
+//   e_unknown_27 = 1 << 27,
+//   e_unknown_28 = 1 << 28,
+//   e_unknown_29 = 1 << 29,
+//   e_unknown_30 = 1 << 30,
+//   e_unknown_31 = 1 << 31
+//};
+//
+//bool check_flag(uint32_t flags, Flag to_check)
+//{
+//	return (flags & to_check) != 0;
+//}
+// ------------------------------------------------------------------------------------------------
+Token::Token(const char* sbegin, const char* send, TokenType type, unsigned int offset)
+    :
+    #ifdef DEBUG
+    contents(sbegin, static_cast<size_t>(send-sbegin)),
+    #endif
+    sbegin(sbegin)
+    , send(send)
+    , type(type)
+    , line(offset)
+    , column(BINARY_MARKER)
+{
+    ai_assert(sbegin);
+    ai_assert(send);
+
+    // binary tokens may have zero length because they are sometimes dummies
+    // inserted by TokenizeBinary()
+    ai_assert(send >= sbegin);
+}
+
+
+namespace {
+
+// ------------------------------------------------------------------------------------------------
+// signal tokenization error, this is always unrecoverable. Throws DeadlyImportError.
+AI_WONT_RETURN void TokenizeError(const std::string& message, unsigned int offset) AI_WONT_RETURN_SUFFIX;
+AI_WONT_RETURN void TokenizeError(const std::string& message, unsigned int offset)
+{
+    throw DeadlyImportError(Util::AddOffset("FBX-Tokenize",message,offset));
+}
+
+
+// ------------------------------------------------------------------------------------------------
+uint32_t Offset(const char* begin, const char* cursor) {
+    ai_assert(begin <= cursor);
+
+    return static_cast<unsigned int>(cursor - begin);
+}
+
+// ------------------------------------------------------------------------------------------------
+void TokenizeError(const std::string& message, const char* begin, const char* cursor) {
+    TokenizeError(message, Offset(begin, cursor));
+}
+
+// ------------------------------------------------------------------------------------------------
+uint32_t ReadWord(const char* input, const char*& cursor, const char* end) {
+    const size_t k_to_read = sizeof( uint32_t );
+    if(Offset(cursor, end) < k_to_read ) {
+        TokenizeError("cannot ReadWord, out of bounds",input, cursor);
+    }
+
+    uint32_t word;
+    ::memcpy(&word, cursor, 4);
+    AI_SWAP4(word);
+
+    cursor += k_to_read;
+
+    return word;
+}
+
+// ------------------------------------------------------------------------------------------------
+uint64_t ReadDoubleWord(const char* input, const char*& cursor, const char* end) {
+    const size_t k_to_read = sizeof(uint64_t);
+    if(Offset(cursor, end) < k_to_read) {
+        TokenizeError("cannot ReadDoubleWord, out of bounds",input, cursor);
+    }
+
+    uint64_t dword /*= *reinterpret_cast<const uint64_t*>(cursor)*/;
+    ::memcpy( &dword, cursor, sizeof( uint64_t ) );
+    AI_SWAP8(dword);
+
+    cursor += k_to_read;
+
+    return dword;
+}
+
+// ------------------------------------------------------------------------------------------------
+uint8_t ReadByte(const char* input, const char*& cursor, const char* end) {
+    if(Offset(cursor, end) < sizeof( uint8_t ) ) {
+        TokenizeError("cannot ReadByte, out of bounds",input, cursor);
+    }
+
+    uint8_t word;/* = *reinterpret_cast< const uint8_t* >( cursor )*/
+    ::memcpy( &word, cursor, sizeof( uint8_t ) );
+    ++cursor;
+
+    return word;
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int ReadString(const char*& sbegin_out, const char*& send_out, const char* input,
+        const char*& cursor, const char* end, bool long_length = false, bool allow_null = false) {
+    const uint32_t len_len = long_length ? 4 : 1;
+    if(Offset(cursor, end) < len_len) {
+        TokenizeError("cannot ReadString, out of bounds reading length",input, cursor);
+    }
+
+    const uint32_t length = long_length ? ReadWord(input, cursor, end) : ReadByte(input, cursor, end);
+
+    if (Offset(cursor, end) < length) {
+        TokenizeError("cannot ReadString, length is out of bounds",input, cursor);
+    }
+
+    sbegin_out = cursor;
+    cursor += length;
+
+    send_out = cursor;
+
+    if(!allow_null) {
+        for (unsigned int i = 0; i < length; ++i) {
+            if(sbegin_out[i] == '\0') {
+                TokenizeError("failed ReadString, unexpected NUL character in string",input, cursor);
+            }
+        }
+    }
+
+    return length;
+}
+
+// ------------------------------------------------------------------------------------------------
+void ReadData(const char*& sbegin_out, const char*& send_out, const char* input, const char*& cursor, const char* end) {
+    if(Offset(cursor, end) < 1) {
+        TokenizeError("cannot ReadData, out of bounds reading length",input, cursor);
+    }
+
+    const char type = *cursor;
+    sbegin_out = cursor++;
+
+    switch(type)
+    {
+        // 16 bit int
+    case 'Y':
+        cursor += 2;
+        break;
+
+        // 1 bit bool flag (yes/no)
+    case 'C':
+        cursor += 1;
+        break;
+
+        // 32 bit int
+    case 'I':
+        // <- fall through
+
+        // float
+    case 'F':
+        cursor += 4;
+        break;
+
+        // double
+    case 'D':
+        cursor += 8;
+        break;
+
+        // 64 bit int
+    case 'L':
+        cursor += 8;
+        break;
+
+        // note: do not write cursor += ReadWord(...cursor) as this would be UB
+
+        // raw binary data
+    case 'R':
+    {
+        const uint32_t length = ReadWord(input, cursor, end);
+        cursor += length;
+        break;
+    }
+
+    case 'b':
+        // TODO: what is the 'b' type code? Right now we just skip over it /
+        // take the full range we could get
+        cursor = end;
+        break;
+
+        // array of *
+    case 'f':
+    case 'd':
+    case 'l':
+    case 'i':
+    case 'c':   {
+        const uint32_t length = ReadWord(input, cursor, end);
+        const uint32_t encoding = ReadWord(input, cursor, end);
+
+        const uint32_t comp_len = ReadWord(input, cursor, end);
+
+        // compute length based on type and check against the stored value
+        if(encoding == 0) {
+            uint32_t stride = 0;
+            switch(type)
+            {
+            case 'f':
+            case 'i':
+                stride = 4;
+                break;
+
+            case 'd':
+            case 'l':
+                stride = 8;
+                break;
+
+            case 'c':
+                stride = 1;
+                break;
+
+            default:
+                ai_assert(false);
+            };
+            ai_assert(stride > 0);
+            if(length * stride != comp_len) {
+                TokenizeError("cannot ReadData, calculated data stride differs from what the file claims",input, cursor);
+            }
+        }
+        // zip/deflate algorithm (encoding==1)? take given length. anything else? die
+        else if (encoding != 1) {
+            TokenizeError("cannot ReadData, unknown encoding",input, cursor);
+        }
+        cursor += comp_len;
+        break;
+    }
+
+        // string
+    case 'S': {
+        const char* sb, *se;
+        // 0 characters can legally happen in such strings
+        ReadString(sb, se, input, cursor, end, true, true);
+        break;
+    }
+    default:
+        TokenizeError("cannot ReadData, unexpected type code: " + std::string(&type, 1),input, cursor);
+    }
+
+    if(cursor > end) {
+        TokenizeError("cannot ReadData, the remaining size is too small for the data type: " + std::string(&type, 1),input, cursor);
+    }
+
+    // the type code is contained in the returned range
+    send_out = cursor;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+bool ReadScope(TokenList& output_tokens, const char* input, const char*& cursor, const char* end, bool const is64bits)
+{
+    // the first word contains the offset at which this block ends
+	const uint64_t end_offset = is64bits ? ReadDoubleWord(input, cursor, end) : ReadWord(input, cursor, end);
+
+    // we may get 0 if reading reached the end of the file -
+    // fbx files have a mysterious extra footer which I don't know
+    // how to extract any information from, but at least it always
+    // starts with a 0.
+    if(!end_offset) {
+        return false;
+    }
+
+    if(end_offset > Offset(input, end)) {
+        TokenizeError("block offset is out of range",input, cursor);
+    }
+    else if(end_offset < Offset(input, cursor)) {
+        TokenizeError("block offset is negative out of range",input, cursor);
+    }
+
+    // the second data word contains the number of properties in the scope
+	const uint64_t prop_count = is64bits ? ReadDoubleWord(input, cursor, end) : ReadWord(input, cursor, end);
+
+    // the third data word contains the length of the property list
+	const uint64_t prop_length = is64bits ? ReadDoubleWord(input, cursor, end) : ReadWord(input, cursor, end);
+
+    // now comes the name of the scope/key
+    const char* sbeg, *send;
+    ReadString(sbeg, send, input, cursor, end);
+
+    output_tokens.push_back(new_Token(sbeg, send, TokenType_KEY, Offset(input, cursor) ));
+
+    // now come the individual properties
+    const char* begin_cursor = cursor;
+    for (unsigned int i = 0; i < prop_count; ++i) {
+        ReadData(sbeg, send, input, cursor, begin_cursor + prop_length);
+
+        output_tokens.push_back(new_Token(sbeg, send, TokenType_DATA, Offset(input, cursor) ));
+
+        if(i != prop_count-1) {
+            output_tokens.push_back(new_Token(cursor, cursor + 1, TokenType_COMMA, Offset(input, cursor) ));
+        }
+    }
+
+    if (Offset(begin_cursor, cursor) != prop_length) {
+        TokenizeError("property length not reached, something is wrong",input, cursor);
+    }
+
+    // at the end of each nested block, there is a NUL record to indicate
+    // that the sub-scope exists (i.e. to distinguish between P: and P : {})
+    // this NUL record is 13 bytes long on 32 bit version and 25 bytes long on 64 bit.
+	const size_t sentinel_block_length = is64bits ? (sizeof(uint64_t)* 3 + 1) : (sizeof(uint32_t)* 3 + 1);
+
+    if (Offset(input, cursor) < end_offset) {
+        if (end_offset - Offset(input, cursor) < sentinel_block_length) {
+            TokenizeError("insufficient padding bytes at block end",input, cursor);
+        }
+
+        output_tokens.push_back(new_Token(cursor, cursor + 1, TokenType_OPEN_BRACKET, Offset(input, cursor) ));
+
+        // XXX this is vulnerable to stack overflowing ..
+        while(Offset(input, cursor) < end_offset - sentinel_block_length) {
+			ReadScope(output_tokens, input, cursor, input + end_offset - sentinel_block_length, is64bits);
+        }
+        output_tokens.push_back(new_Token(cursor, cursor + 1, TokenType_CLOSE_BRACKET, Offset(input, cursor) ));
+
+        for (unsigned int i = 0; i < sentinel_block_length; ++i) {
+            if(cursor[i] != '\0') {
+                TokenizeError("failed to read nested block sentinel, expected all bytes to be 0",input, cursor);
+            }
+        }
+        cursor += sentinel_block_length;
+    }
+
+    if (Offset(input, cursor) != end_offset) {
+        TokenizeError("scope length not reached, something is wrong",input, cursor);
+    }
+
+    return true;
+}
+
+} // anonymous namespace
+
+// ------------------------------------------------------------------------------------------------
+// TODO: Test FBX Binary files newer than the 7500 version to check if the 64 bits address behaviour is consistent
+void TokenizeBinary(TokenList& output_tokens, const char* input, unsigned int length)
+{
+    ai_assert(input);
+
+    if(length < 0x1b) {
+        TokenizeError("file is too short",0);
+    }
+
+    //uint32_t offset = 0x15;
+/*    const char* cursor = input + 0x15;
+
+    const uint32_t flags = ReadWord(input, cursor, input + length);
+
+    const uint8_t padding_0 = ReadByte(input, cursor, input + length); // unused
+    const uint8_t padding_1 = ReadByte(input, cursor, input + length); // unused*/
+
+    if (strncmp(input,"Kaydara FBX Binary",18)) {
+        TokenizeError("magic bytes not found",0);
+    }
+
+    const char* cursor = input + 18;
+	/*Result ignored*/ ReadByte(input, cursor, input + length);
+	/*Result ignored*/ ReadByte(input, cursor, input + length);
+	/*Result ignored*/ ReadByte(input, cursor, input + length);
+	/*Result ignored*/ ReadByte(input, cursor, input + length);
+	/*Result ignored*/ ReadByte(input, cursor, input + length);
+	const uint32_t version = ReadWord(input, cursor, input + length);
+	const bool is64bits = version >= 7500;
+    const char *end = input + length;
+    while (cursor < end ) {
+		if (!ReadScope(output_tokens, input, cursor, input + length, is64bits)) {
+            break;
+        }
+    }
+}
+
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXCommon.h b/thirdparty/assimp/code/FBXCommon.h
new file mode 100644
index 0000000000..fcb20a5cad
--- /dev/null
+++ b/thirdparty/assimp/code/FBXCommon.h
@@ -0,0 +1,86 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FBXCommon.h
+* Some useful constants and enums for dealing with FBX files.
+*/
+#ifndef AI_FBXCOMMON_H_INC
+#define AI_FBXCOMMON_H_INC
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+
+namespace FBX
+{
+    const std::string NULL_RECORD = { // 13 null bytes
+        '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0'
+    }; // who knows why
+    const std::string SEPARATOR = {'\x00', '\x01'}; // for use inside strings
+    const std::string MAGIC_NODE_TAG = "_$AssimpFbx$"; // from import
+    const int64_t SECOND = 46186158000; // FBX's kTime unit
+
+    // rotation order. We'll probably use EulerXYZ for everything
+    enum RotOrder {
+        RotOrder_EulerXYZ = 0,
+        RotOrder_EulerXZY,
+        RotOrder_EulerYZX,
+        RotOrder_EulerYXZ,
+        RotOrder_EulerZXY,
+        RotOrder_EulerZYX,
+
+        RotOrder_SphericXYZ,
+
+        RotOrder_MAX // end-of-enum sentinel
+    };
+
+    // transformation inheritance method. Most of the time RSrs
+    enum TransformInheritance {
+        TransformInheritance_RrSs = 0,
+        TransformInheritance_RSrs,
+        TransformInheritance_Rrs,
+
+        TransformInheritance_MAX // end-of-enum sentinel
+    };
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#endif // AI_FBXCOMMON_H_INC
diff --git a/thirdparty/assimp/code/FBXCompileConfig.h b/thirdparty/assimp/code/FBXCompileConfig.h
new file mode 100644
index 0000000000..3a3841fa5b
--- /dev/null
+++ b/thirdparty/assimp/code/FBXCompileConfig.h
@@ -0,0 +1,70 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXCompileConfig.h
+ *  @brief FBX importer compile-time switches
+ */
+#ifndef INCLUDED_AI_FBX_COMPILECONFIG_H
+#define INCLUDED_AI_FBX_COMPILECONFIG_H
+
+#include <map>
+
+//
+#if _MSC_VER > 1500 || (defined __GNUC___)
+#   define ASSIMP_FBX_USE_UNORDERED_MULTIMAP
+#   else
+#   define fbx_unordered_map map
+#   define fbx_unordered_multimap multimap
+#endif
+
+#ifdef ASSIMP_FBX_USE_UNORDERED_MULTIMAP
+#   include <unordered_map>
+#   if _MSC_VER > 1600
+#       define fbx_unordered_map unordered_map
+#       define fbx_unordered_multimap unordered_multimap
+#   else
+#       define fbx_unordered_map tr1::unordered_map
+#       define fbx_unordered_multimap tr1::unordered_multimap
+#   endif
+#endif
+
+#endif // INCLUDED_AI_FBX_COMPILECONFIG_H
diff --git a/thirdparty/assimp/code/FBXConverter.cpp b/thirdparty/assimp/code/FBXConverter.cpp
new file mode 100644
index 0000000000..000c4ed53b
--- /dev/null
+++ b/thirdparty/assimp/code/FBXConverter.cpp
@@ -0,0 +1,3515 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXConverter.cpp
+ *  @brief Implementation of the FBX DOM -> aiScene converter
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXConverter.h"
+#include "FBXParser.h"
+#include "FBXMeshGeometry.h"
+#include "FBXDocument.h"
+#include "FBXUtil.h"
+#include "FBXProperties.h"
+#include "FBXImporter.h"
+
+#include <assimp/StringComparison.h>
+
+#include <assimp/scene.h>
+
+#include <assimp/CreateAnimMesh.h>
+
+#include <tuple>
+#include <memory>
+#include <iterator>
+#include <vector>
+#include <sstream>
+#include <iomanip>
+
+namespace Assimp {
+    namespace FBX {
+
+        using namespace Util;
+
+#define MAGIC_NODE_TAG "_$AssimpFbx$"
+
+#define CONVERT_FBX_TIME(time) static_cast<double>(time) / 46186158000L
+
+        FBXConverter::FBXConverter(aiScene* out, const Document& doc)
+            : defaultMaterialIndex()
+            , out(out)
+            , doc(doc) {
+            // animations need to be converted first since this will
+            // populate the node_anim_chain_bits map, which is needed
+            // to determine which nodes need to be generated.
+            ConvertAnimations();
+            ConvertRootNode();
+
+            if (doc.Settings().readAllMaterials) {
+                // unfortunately this means we have to evaluate all objects
+                for (const ObjectMap::value_type& v : doc.Objects()) {
+
+                    const Object* ob = v.second->Get();
+                    if (!ob) {
+                        continue;
+                    }
+
+                    const Material* mat = dynamic_cast<const Material*>(ob);
+                    if (mat) {
+
+                        if (materials_converted.find(mat) == materials_converted.end()) {
+                            ConvertMaterial(*mat, 0);
+                        }
+                    }
+                }
+            }
+
+            ConvertGlobalSettings();
+            TransferDataToScene();
+
+            // if we didn't read any meshes set the AI_SCENE_FLAGS_INCOMPLETE
+            // to make sure the scene passes assimp's validation. FBX files
+            // need not contain geometry (i.e. camera animations, raw armatures).
+            if (out->mNumMeshes == 0) {
+                out->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
+            }
+        }
+
+
+        FBXConverter::~FBXConverter() {
+            std::for_each(meshes.begin(), meshes.end(), Util::delete_fun<aiMesh>());
+            std::for_each(materials.begin(), materials.end(), Util::delete_fun<aiMaterial>());
+            std::for_each(animations.begin(), animations.end(), Util::delete_fun<aiAnimation>());
+            std::for_each(lights.begin(), lights.end(), Util::delete_fun<aiLight>());
+            std::for_each(cameras.begin(), cameras.end(), Util::delete_fun<aiCamera>());
+            std::for_each(textures.begin(), textures.end(), Util::delete_fun<aiTexture>());
+        }
+
+        void FBXConverter::ConvertRootNode() {
+            out->mRootNode = new aiNode();
+            out->mRootNode->mName.Set("RootNode");
+
+            // root has ID 0
+            ConvertNodes(0L, *out->mRootNode);
+        }
+
+        void FBXConverter::ConvertNodes(uint64_t id, aiNode& parent, const aiMatrix4x4& parent_transform) {
+            const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(id, "Model");
+
+            std::vector<aiNode*> nodes;
+            nodes.reserve(conns.size());
+
+            std::vector<aiNode*> nodes_chain;
+            std::vector<aiNode*> post_nodes_chain;
+
+            try {
+                for (const Connection* con : conns) {
+
+                    // ignore object-property links
+                    if (con->PropertyName().length()) {
+                        continue;
+                    }
+
+                    const Object* const object = con->SourceObject();
+                    if (nullptr == object) {
+                        FBXImporter::LogWarn("failed to convert source object for Model link");
+                        continue;
+                    }
+
+                    const Model* const model = dynamic_cast<const Model*>(object);
+
+                    if (nullptr != model) {
+                        nodes_chain.clear();
+                        post_nodes_chain.clear();
+
+                        aiMatrix4x4 new_abs_transform = parent_transform;
+
+                        // even though there is only a single input node, the design of
+                        // assimp (or rather: the complicated transformation chain that
+                        // is employed by fbx) means that we may need multiple aiNode's
+                        // to represent a fbx node's transformation.
+                        GenerateTransformationNodeChain(*model, nodes_chain, post_nodes_chain);
+
+                        ai_assert(nodes_chain.size());
+
+                        std::string original_name = FixNodeName(model->Name());
+
+                        // check if any of the nodes in the chain has the name the fbx node
+                        // is supposed to have. If there is none, add another node to
+                        // preserve the name - people might have scripts etc. that rely
+                        // on specific node names.
+                        aiNode* name_carrier = NULL;
+                        for (aiNode* prenode : nodes_chain) {
+                            if (!strcmp(prenode->mName.C_Str(), original_name.c_str())) {
+                                name_carrier = prenode;
+                                break;
+                            }
+                        }
+
+                        if (!name_carrier) {
+                            std::string old_original_name = original_name;
+                            GetUniqueName(old_original_name, original_name);
+                            nodes_chain.push_back(new aiNode(original_name));
+                        }
+                        else {
+                            original_name = nodes_chain.back()->mName.C_Str();
+                        }
+
+                        //setup metadata on newest node
+                        SetupNodeMetadata(*model, *nodes_chain.back());
+
+                        // link all nodes in a row
+                        aiNode* last_parent = &parent;
+                        for (aiNode* prenode : nodes_chain) {
+                            ai_assert(prenode);
+
+                            if (last_parent != &parent) {
+                                last_parent->mNumChildren = 1;
+                                last_parent->mChildren = new aiNode*[1];
+                                last_parent->mChildren[0] = prenode;
+                            }
+
+                            prenode->mParent = last_parent;
+                            last_parent = prenode;
+
+                            new_abs_transform *= prenode->mTransformation;
+                        }
+
+                        // attach geometry
+                        ConvertModel(*model, *nodes_chain.back(), new_abs_transform);
+
+                        // check if there will be any child nodes
+                        const std::vector<const Connection*>& child_conns
+                            = doc.GetConnectionsByDestinationSequenced(model->ID(), "Model");
+
+                        // if so, link the geometric transform inverse nodes
+                        // before we attach any child nodes
+                        if (child_conns.size()) {
+                            for (aiNode* postnode : post_nodes_chain) {
+                                ai_assert(postnode);
+
+                                if (last_parent != &parent) {
+                                    last_parent->mNumChildren = 1;
+                                    last_parent->mChildren = new aiNode*[1];
+                                    last_parent->mChildren[0] = postnode;
+                                }
+
+                                postnode->mParent = last_parent;
+                                last_parent = postnode;
+
+                                new_abs_transform *= postnode->mTransformation;
+                            }
+                        }
+                        else {
+                            // free the nodes we allocated as we don't need them
+                            Util::delete_fun<aiNode> deleter;
+                            std::for_each(
+                                post_nodes_chain.begin(),
+                                post_nodes_chain.end(),
+                                deleter
+                            );
+                        }
+
+                        // attach sub-nodes (if any)
+                        ConvertNodes(model->ID(), *last_parent, new_abs_transform);
+
+                        if (doc.Settings().readLights) {
+                            ConvertLights(*model, original_name);
+                        }
+
+                        if (doc.Settings().readCameras) {
+                            ConvertCameras(*model, original_name);
+                        }
+
+                        nodes.push_back(nodes_chain.front());
+                        nodes_chain.clear();
+                    }
+                }
+
+                if (nodes.size()) {
+                    parent.mChildren = new aiNode*[nodes.size()]();
+                    parent.mNumChildren = static_cast<unsigned int>(nodes.size());
+
+                    std::swap_ranges(nodes.begin(), nodes.end(), parent.mChildren);
+                }
+            }
+            catch (std::exception&) {
+                Util::delete_fun<aiNode> deleter;
+                std::for_each(nodes.begin(), nodes.end(), deleter);
+                std::for_each(nodes_chain.begin(), nodes_chain.end(), deleter);
+                std::for_each(post_nodes_chain.begin(), post_nodes_chain.end(), deleter);
+            }
+        }
+
+
+        void FBXConverter::ConvertLights(const Model& model, const std::string &orig_name) {
+            const std::vector<const NodeAttribute*>& node_attrs = model.GetAttributes();
+            for (const NodeAttribute* attr : node_attrs) {
+                const Light* const light = dynamic_cast<const Light*>(attr);
+                if (light) {
+                    ConvertLight(*light, orig_name);
+                }
+            }
+        }
+
+        void FBXConverter::ConvertCameras(const Model& model, const std::string &orig_name) {
+            const std::vector<const NodeAttribute*>& node_attrs = model.GetAttributes();
+            for (const NodeAttribute* attr : node_attrs) {
+                const Camera* const cam = dynamic_cast<const Camera*>(attr);
+                if (cam) {
+                    ConvertCamera(*cam, orig_name);
+                }
+            }
+        }
+
+        void FBXConverter::ConvertLight(const Light& light, const std::string &orig_name) {
+            lights.push_back(new aiLight());
+            aiLight* const out_light = lights.back();
+
+            out_light->mName.Set(orig_name);
+
+            const float intensity = light.Intensity() / 100.0f;
+            const aiVector3D& col = light.Color();
+
+            out_light->mColorDiffuse = aiColor3D(col.x, col.y, col.z);
+            out_light->mColorDiffuse.r *= intensity;
+            out_light->mColorDiffuse.g *= intensity;
+            out_light->mColorDiffuse.b *= intensity;
+
+            out_light->mColorSpecular = out_light->mColorDiffuse;
+
+            //lights are defined along negative y direction
+            out_light->mPosition = aiVector3D(0.0f);
+            out_light->mDirection = aiVector3D(0.0f, -1.0f, 0.0f);
+            out_light->mUp = aiVector3D(0.0f, 0.0f, -1.0f);
+
+            switch (light.LightType())
+            {
+            case Light::Type_Point:
+                out_light->mType = aiLightSource_POINT;
+                break;
+
+            case Light::Type_Directional:
+                out_light->mType = aiLightSource_DIRECTIONAL;
+                break;
+
+            case Light::Type_Spot:
+                out_light->mType = aiLightSource_SPOT;
+                out_light->mAngleOuterCone = AI_DEG_TO_RAD(light.OuterAngle());
+                out_light->mAngleInnerCone = AI_DEG_TO_RAD(light.InnerAngle());
+                break;
+
+            case Light::Type_Area:
+                FBXImporter::LogWarn("cannot represent area light, set to UNDEFINED");
+                out_light->mType = aiLightSource_UNDEFINED;
+                break;
+
+            case Light::Type_Volume:
+                FBXImporter::LogWarn("cannot represent volume light, set to UNDEFINED");
+                out_light->mType = aiLightSource_UNDEFINED;
+                break;
+            default:
+                ai_assert(false);
+            }
+
+            float decay = light.DecayStart();
+            switch (light.DecayType())
+            {
+            case Light::Decay_None:
+                out_light->mAttenuationConstant = decay;
+                out_light->mAttenuationLinear = 0.0f;
+                out_light->mAttenuationQuadratic = 0.0f;
+                break;
+            case Light::Decay_Linear:
+                out_light->mAttenuationConstant = 0.0f;
+                out_light->mAttenuationLinear = 2.0f / decay;
+                out_light->mAttenuationQuadratic = 0.0f;
+                break;
+            case Light::Decay_Quadratic:
+                out_light->mAttenuationConstant = 0.0f;
+                out_light->mAttenuationLinear = 0.0f;
+                out_light->mAttenuationQuadratic = 2.0f / (decay * decay);
+                break;
+            case Light::Decay_Cubic:
+                FBXImporter::LogWarn("cannot represent cubic attenuation, set to Quadratic");
+                out_light->mAttenuationQuadratic = 1.0f;
+                break;
+            default:
+                ai_assert(false);
+            }
+        }
+
+        void FBXConverter::ConvertCamera(const Camera& cam, const std::string &orig_name)
+        {
+            cameras.push_back(new aiCamera());
+            aiCamera* const out_camera = cameras.back();
+
+            out_camera->mName.Set(orig_name);
+
+            out_camera->mAspect = cam.AspectWidth() / cam.AspectHeight();
+
+            //cameras are defined along positive x direction
+            /*out_camera->mPosition = cam.Position();
+            out_camera->mLookAt = (cam.InterestPosition() - out_camera->mPosition).Normalize();
+            out_camera->mUp = cam.UpVector();*/
+
+            out_camera->mPosition = aiVector3D(0.0f);
+            out_camera->mLookAt = aiVector3D(1.0f, 0.0f, 0.0f);
+            out_camera->mUp = aiVector3D(0.0f, 1.0f, 0.0f);
+
+            out_camera->mHorizontalFOV = AI_DEG_TO_RAD(cam.FieldOfView());
+
+            out_camera->mClipPlaneNear = cam.NearPlane();
+            out_camera->mClipPlaneFar = cam.FarPlane();
+
+            out_camera->mHorizontalFOV = AI_DEG_TO_RAD(cam.FieldOfView());
+            out_camera->mClipPlaneNear = cam.NearPlane();
+            out_camera->mClipPlaneFar = cam.FarPlane();
+        }
+
+        void FBXConverter::GetUniqueName(const std::string &name, std::string &uniqueName)
+        {
+            int i = 0;
+            uniqueName = name;
+            while (mNodeNames.find(uniqueName) != mNodeNames.end())
+            {
+                ++i;
+                std::stringstream ext;
+                ext << name << std::setfill('0') << std::setw(3) << i;
+                uniqueName = ext.str();
+            }
+            mNodeNames.insert(uniqueName);
+        }
+
+
+        const char* FBXConverter::NameTransformationComp(TransformationComp comp) {
+            switch (comp) {
+            case TransformationComp_Translation:
+                return "Translation";
+            case TransformationComp_RotationOffset:
+                return "RotationOffset";
+            case TransformationComp_RotationPivot:
+                return "RotationPivot";
+            case TransformationComp_PreRotation:
+                return "PreRotation";
+            case TransformationComp_Rotation:
+                return "Rotation";
+            case TransformationComp_PostRotation:
+                return "PostRotation";
+            case TransformationComp_RotationPivotInverse:
+                return "RotationPivotInverse";
+            case TransformationComp_ScalingOffset:
+                return "ScalingOffset";
+            case TransformationComp_ScalingPivot:
+                return "ScalingPivot";
+            case TransformationComp_Scaling:
+                return "Scaling";
+            case TransformationComp_ScalingPivotInverse:
+                return "ScalingPivotInverse";
+            case TransformationComp_GeometricScaling:
+                return "GeometricScaling";
+            case TransformationComp_GeometricRotation:
+                return "GeometricRotation";
+            case TransformationComp_GeometricTranslation:
+                return "GeometricTranslation";
+            case TransformationComp_GeometricScalingInverse:
+                return "GeometricScalingInverse";
+            case TransformationComp_GeometricRotationInverse:
+                return "GeometricRotationInverse";
+            case TransformationComp_GeometricTranslationInverse:
+                return "GeometricTranslationInverse";
+            case TransformationComp_MAXIMUM: // this is to silence compiler warnings
+            default:
+                break;
+            }
+
+            ai_assert(false);
+
+            return nullptr;
+        }
+
+        const char* FBXConverter::NameTransformationCompProperty(TransformationComp comp) {
+            switch (comp) {
+            case TransformationComp_Translation:
+                return "Lcl Translation";
+            case TransformationComp_RotationOffset:
+                return "RotationOffset";
+            case TransformationComp_RotationPivot:
+                return "RotationPivot";
+            case TransformationComp_PreRotation:
+                return "PreRotation";
+            case TransformationComp_Rotation:
+                return "Lcl Rotation";
+            case TransformationComp_PostRotation:
+                return "PostRotation";
+            case TransformationComp_RotationPivotInverse:
+                return "RotationPivotInverse";
+            case TransformationComp_ScalingOffset:
+                return "ScalingOffset";
+            case TransformationComp_ScalingPivot:
+                return "ScalingPivot";
+            case TransformationComp_Scaling:
+                return "Lcl Scaling";
+            case TransformationComp_ScalingPivotInverse:
+                return "ScalingPivotInverse";
+            case TransformationComp_GeometricScaling:
+                return "GeometricScaling";
+            case TransformationComp_GeometricRotation:
+                return "GeometricRotation";
+            case TransformationComp_GeometricTranslation:
+                return "GeometricTranslation";
+            case TransformationComp_GeometricScalingInverse:
+                return "GeometricScalingInverse";
+            case TransformationComp_GeometricRotationInverse:
+                return "GeometricRotationInverse";
+            case TransformationComp_GeometricTranslationInverse:
+                return "GeometricTranslationInverse";
+            case TransformationComp_MAXIMUM: // this is to silence compiler warnings
+                break;
+            }
+
+            ai_assert(false);
+
+            return nullptr;
+        }
+
+        aiVector3D FBXConverter::TransformationCompDefaultValue(TransformationComp comp)
+        {
+            // XXX a neat way to solve the never-ending special cases for scaling
+            // would be to do everything in log space!
+            return comp == TransformationComp_Scaling ? aiVector3D(1.f, 1.f, 1.f) : aiVector3D();
+        }
+
+        void FBXConverter::GetRotationMatrix(Model::RotOrder mode, const aiVector3D& rotation, aiMatrix4x4& out)
+        {
+            if (mode == Model::RotOrder_SphericXYZ) {
+                FBXImporter::LogError("Unsupported RotationMode: SphericXYZ");
+                out = aiMatrix4x4();
+                return;
+            }
+
+            const float angle_epsilon = 1e-6f;
+
+            out = aiMatrix4x4();
+
+            bool is_id[3] = { true, true, true };
+
+            aiMatrix4x4 temp[3];
+            if (std::fabs(rotation.z) > angle_epsilon) {
+                aiMatrix4x4::RotationZ(AI_DEG_TO_RAD(rotation.z), temp[2]);
+                is_id[2] = false;
+            }
+            if (std::fabs(rotation.y) > angle_epsilon) {
+                aiMatrix4x4::RotationY(AI_DEG_TO_RAD(rotation.y), temp[1]);
+                is_id[1] = false;
+            }
+            if (std::fabs(rotation.x) > angle_epsilon) {
+                aiMatrix4x4::RotationX(AI_DEG_TO_RAD(rotation.x), temp[0]);
+                is_id[0] = false;
+            }
+
+            int order[3] = { -1, -1, -1 };
+
+            // note: rotation order is inverted since we're left multiplying as is usual in assimp
+            switch (mode)
+            {
+            case Model::RotOrder_EulerXYZ:
+                order[0] = 2;
+                order[1] = 1;
+                order[2] = 0;
+                break;
+
+            case Model::RotOrder_EulerXZY:
+                order[0] = 1;
+                order[1] = 2;
+                order[2] = 0;
+                break;
+
+            case Model::RotOrder_EulerYZX:
+                order[0] = 0;
+                order[1] = 2;
+                order[2] = 1;
+                break;
+
+            case Model::RotOrder_EulerYXZ:
+                order[0] = 2;
+                order[1] = 0;
+                order[2] = 1;
+                break;
+
+            case Model::RotOrder_EulerZXY:
+                order[0] = 1;
+                order[1] = 0;
+                order[2] = 2;
+                break;
+
+            case Model::RotOrder_EulerZYX:
+                order[0] = 0;
+                order[1] = 1;
+                order[2] = 2;
+                break;
+
+            default:
+                ai_assert(false);
+                break;
+            }
+
+            ai_assert(order[0] >= 0);
+            ai_assert(order[0] <= 2);
+            ai_assert(order[1] >= 0);
+            ai_assert(order[1] <= 2);
+            ai_assert(order[2] >= 0);
+            ai_assert(order[2] <= 2);
+
+            if (!is_id[order[0]]) {
+                out = temp[order[0]];
+            }
+
+            if (!is_id[order[1]]) {
+                out = out * temp[order[1]];
+            }
+
+            if (!is_id[order[2]]) {
+                out = out * temp[order[2]];
+            }
+        }
+
+        bool FBXConverter::NeedsComplexTransformationChain(const Model& model)
+        {
+            const PropertyTable& props = model.Props();
+            bool ok;
+
+            const float zero_epsilon = 1e-6f;
+            const aiVector3D all_ones(1.0f, 1.0f, 1.0f);
+            for (size_t i = 0; i < TransformationComp_MAXIMUM; ++i) {
+                const TransformationComp comp = static_cast<TransformationComp>(i);
+
+                if (comp == TransformationComp_Rotation || comp == TransformationComp_Scaling || comp == TransformationComp_Translation) {
+                    continue;
+                }
+
+                bool scale_compare = (comp == TransformationComp_GeometricScaling || comp == TransformationComp_Scaling);
+
+                const aiVector3D& v = PropertyGet<aiVector3D>(props, NameTransformationCompProperty(comp), ok);
+                if (ok && scale_compare) {
+                    if ((v - all_ones).SquareLength() > zero_epsilon) {
+                        return true;
+                    }
+                }
+                else if (ok) {
+                    if (v.SquareLength() > zero_epsilon) {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        std::string FBXConverter::NameTransformationChainNode(const std::string& name, TransformationComp comp)
+        {
+            return name + std::string(MAGIC_NODE_TAG) + "_" + NameTransformationComp(comp);
+        }
+
+        void FBXConverter::GenerateTransformationNodeChain(const Model& model, std::vector<aiNode*>& output_nodes,
+            std::vector<aiNode*>& post_output_nodes) {
+            const PropertyTable& props = model.Props();
+            const Model::RotOrder rot = model.RotationOrder();
+
+            bool ok;
+
+            aiMatrix4x4 chain[TransformationComp_MAXIMUM];
+            std::fill_n(chain, static_cast<unsigned int>(TransformationComp_MAXIMUM), aiMatrix4x4());
+
+            // generate transformation matrices for all the different transformation components
+            const float zero_epsilon = 1e-6f;
+            const aiVector3D all_ones(1.0f, 1.0f, 1.0f);
+            bool is_complex = false;
+
+            const aiVector3D& PreRotation = PropertyGet<aiVector3D>(props, "PreRotation", ok);
+            if (ok && PreRotation.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                GetRotationMatrix(Model::RotOrder::RotOrder_EulerXYZ, PreRotation, chain[TransformationComp_PreRotation]);
+            }
+
+            const aiVector3D& PostRotation = PropertyGet<aiVector3D>(props, "PostRotation", ok);
+            if (ok && PostRotation.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                GetRotationMatrix(Model::RotOrder::RotOrder_EulerXYZ, PostRotation, chain[TransformationComp_PostRotation]);
+            }
+
+            const aiVector3D& RotationPivot = PropertyGet<aiVector3D>(props, "RotationPivot", ok);
+            if (ok && RotationPivot.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                aiMatrix4x4::Translation(RotationPivot, chain[TransformationComp_RotationPivot]);
+                aiMatrix4x4::Translation(-RotationPivot, chain[TransformationComp_RotationPivotInverse]);
+            }
+
+            const aiVector3D& RotationOffset = PropertyGet<aiVector3D>(props, "RotationOffset", ok);
+            if (ok && RotationOffset.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                aiMatrix4x4::Translation(RotationOffset, chain[TransformationComp_RotationOffset]);
+            }
+
+            const aiVector3D& ScalingOffset = PropertyGet<aiVector3D>(props, "ScalingOffset", ok);
+            if (ok && ScalingOffset.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                aiMatrix4x4::Translation(ScalingOffset, chain[TransformationComp_ScalingOffset]);
+            }
+
+            const aiVector3D& ScalingPivot = PropertyGet<aiVector3D>(props, "ScalingPivot", ok);
+            if (ok && ScalingPivot.SquareLength() > zero_epsilon) {
+                is_complex = true;
+
+                aiMatrix4x4::Translation(ScalingPivot, chain[TransformationComp_ScalingPivot]);
+                aiMatrix4x4::Translation(-ScalingPivot, chain[TransformationComp_ScalingPivotInverse]);
+            }
+
+            const aiVector3D& Translation = PropertyGet<aiVector3D>(props, "Lcl Translation", ok);
+            if (ok && Translation.SquareLength() > zero_epsilon) {
+                aiMatrix4x4::Translation(Translation, chain[TransformationComp_Translation]);
+            }
+
+            const aiVector3D& Scaling = PropertyGet<aiVector3D>(props, "Lcl Scaling", ok);
+            if (ok && (Scaling - all_ones).SquareLength() > zero_epsilon) {
+                aiMatrix4x4::Scaling(Scaling, chain[TransformationComp_Scaling]);
+            }
+
+            const aiVector3D& Rotation = PropertyGet<aiVector3D>(props, "Lcl Rotation", ok);
+            if (ok && Rotation.SquareLength() > zero_epsilon) {
+                GetRotationMatrix(rot, Rotation, chain[TransformationComp_Rotation]);
+            }
+
+            const aiVector3D& GeometricScaling = PropertyGet<aiVector3D>(props, "GeometricScaling", ok);
+            if (ok && (GeometricScaling - all_ones).SquareLength() > zero_epsilon) {
+                is_complex = true;
+                aiMatrix4x4::Scaling(GeometricScaling, chain[TransformationComp_GeometricScaling]);
+                aiVector3D GeometricScalingInverse = GeometricScaling;
+                bool canscale = true;
+                for (unsigned int i = 0; i < 3; ++i) {
+                    if (std::fabs(GeometricScalingInverse[i]) > zero_epsilon) {
+                        GeometricScalingInverse[i] = 1.0f / GeometricScaling[i];
+                    }
+                    else {
+                        FBXImporter::LogError("cannot invert geometric scaling matrix with a 0.0 scale component");
+                        canscale = false;
+                        break;
+                    }
+                }
+                if (canscale) {
+                    aiMatrix4x4::Scaling(GeometricScalingInverse, chain[TransformationComp_GeometricScalingInverse]);
+                }
+            }
+
+            const aiVector3D& GeometricRotation = PropertyGet<aiVector3D>(props, "GeometricRotation", ok);
+            if (ok && GeometricRotation.SquareLength() > zero_epsilon) {
+                is_complex = true;
+                GetRotationMatrix(rot, GeometricRotation, chain[TransformationComp_GeometricRotation]);
+                GetRotationMatrix(rot, GeometricRotation, chain[TransformationComp_GeometricRotationInverse]);
+                chain[TransformationComp_GeometricRotationInverse].Inverse();
+            }
+
+            const aiVector3D& GeometricTranslation = PropertyGet<aiVector3D>(props, "GeometricTranslation", ok);
+            if (ok && GeometricTranslation.SquareLength() > zero_epsilon) {
+                is_complex = true;
+                aiMatrix4x4::Translation(GeometricTranslation, chain[TransformationComp_GeometricTranslation]);
+                aiMatrix4x4::Translation(-GeometricTranslation, chain[TransformationComp_GeometricTranslationInverse]);
+            }
+
+            // is_complex needs to be consistent with NeedsComplexTransformationChain()
+            // or the interplay between this code and the animation converter would
+            // not be guaranteed.
+            ai_assert(NeedsComplexTransformationChain(model) == is_complex);
+
+            std::string name = FixNodeName(model.Name());
+
+            // now, if we have more than just Translation, Scaling and Rotation,
+            // we need to generate a full node chain to accommodate for assimp's
+            // lack to express pivots and offsets.
+            if (is_complex && doc.Settings().preservePivots) {
+                FBXImporter::LogInfo("generating full transformation chain for node: " + name);
+
+                // query the anim_chain_bits dictionary to find out which chain elements
+                // have associated node animation channels. These can not be dropped
+                // even if they have identity transform in bind pose.
+                NodeAnimBitMap::const_iterator it = node_anim_chain_bits.find(name);
+                const unsigned int anim_chain_bitmask = (it == node_anim_chain_bits.end() ? 0 : (*it).second);
+
+                unsigned int bit = 0x1;
+                for (size_t i = 0; i < TransformationComp_MAXIMUM; ++i, bit <<= 1) {
+                    const TransformationComp comp = static_cast<TransformationComp>(i);
+
+                    if (chain[i].IsIdentity() && (anim_chain_bitmask & bit) == 0) {
+                        continue;
+                    }
+
+                    if (comp == TransformationComp_PostRotation) {
+                        chain[i] = chain[i].Inverse();
+                    }
+
+                    aiNode* nd = new aiNode();
+                    nd->mName.Set(NameTransformationChainNode(name, comp));
+                    nd->mTransformation = chain[i];
+
+                    // geometric inverses go in a post-node chain
+                    if (comp == TransformationComp_GeometricScalingInverse ||
+                        comp == TransformationComp_GeometricRotationInverse ||
+                        comp == TransformationComp_GeometricTranslationInverse
+                        ) {
+                        post_output_nodes.push_back(nd);
+                    }
+                    else {
+                        output_nodes.push_back(nd);
+                    }
+                }
+
+                ai_assert(output_nodes.size());
+                return;
+            }
+
+            // else, we can just multiply the matrices together
+            aiNode* nd = new aiNode();
+            output_nodes.push_back(nd);
+            std::string uniqueName;
+            GetUniqueName(name, uniqueName);
+
+            nd->mName.Set(uniqueName);
+
+            for (const auto &transform : chain) {
+                nd->mTransformation = nd->mTransformation * transform;
+            }
+        }
+
+        void FBXConverter::SetupNodeMetadata(const Model& model, aiNode& nd)
+        {
+            const PropertyTable& props = model.Props();
+            DirectPropertyMap unparsedProperties = props.GetUnparsedProperties();
+
+            // create metadata on node
+            const std::size_t numStaticMetaData = 2;
+            aiMetadata* data = aiMetadata::Alloc(static_cast<unsigned int>(unparsedProperties.size() + numStaticMetaData));
+            nd.mMetaData = data;
+            int index = 0;
+
+            // find user defined properties (3ds Max)
+            data->Set(index++, "UserProperties", aiString(PropertyGet<std::string>(props, "UDP3DSMAX", "")));
+            // preserve the info that a node was marked as Null node in the original file.
+            data->Set(index++, "IsNull", model.IsNull() ? true : false);
+
+            // add unparsed properties to the node's metadata
+            for (const DirectPropertyMap::value_type& prop : unparsedProperties) {
+                // Interpret the property as a concrete type
+                if (const TypedProperty<bool>* interpreted = prop.second->As<TypedProperty<bool> >()) {
+                    data->Set(index++, prop.first, interpreted->Value());
+                }
+                else if (const TypedProperty<int>* interpreted = prop.second->As<TypedProperty<int> >()) {
+                    data->Set(index++, prop.first, interpreted->Value());
+                }
+                else if (const TypedProperty<uint64_t>* interpreted = prop.second->As<TypedProperty<uint64_t> >()) {
+                    data->Set(index++, prop.first, interpreted->Value());
+                }
+                else if (const TypedProperty<float>* interpreted = prop.second->As<TypedProperty<float> >()) {
+                    data->Set(index++, prop.first, interpreted->Value());
+                }
+                else if (const TypedProperty<std::string>* interpreted = prop.second->As<TypedProperty<std::string> >()) {
+                    data->Set(index++, prop.first, aiString(interpreted->Value()));
+                }
+                else if (const TypedProperty<aiVector3D>* interpreted = prop.second->As<TypedProperty<aiVector3D> >()) {
+                    data->Set(index++, prop.first, interpreted->Value());
+                }
+                else {
+                    ai_assert(false);
+                }
+            }
+        }
+
+        void FBXConverter::ConvertModel(const Model& model, aiNode& nd, const aiMatrix4x4& node_global_transform)
+        {
+            const std::vector<const Geometry*>& geos = model.GetGeometry();
+
+            std::vector<unsigned int> meshes;
+            meshes.reserve(geos.size());
+
+            for (const Geometry* geo : geos) {
+
+                const MeshGeometry* const mesh = dynamic_cast<const MeshGeometry*>(geo);
+                const LineGeometry* const line = dynamic_cast<const LineGeometry*>(geo);
+                if (mesh) {
+                    const std::vector<unsigned int>& indices = ConvertMesh(*mesh, model, node_global_transform, nd);
+                    std::copy(indices.begin(), indices.end(), std::back_inserter(meshes));
+                }
+                else if (line) {
+                    const std::vector<unsigned int>& indices = ConvertLine(*line, model, node_global_transform, nd);
+                    std::copy(indices.begin(), indices.end(), std::back_inserter(meshes));
+                }
+                else {
+                    FBXImporter::LogWarn("ignoring unrecognized geometry: " + geo->Name());
+                }
+            }
+
+            if (meshes.size()) {
+                nd.mMeshes = new unsigned int[meshes.size()]();
+                nd.mNumMeshes = static_cast<unsigned int>(meshes.size());
+
+                std::swap_ranges(meshes.begin(), meshes.end(), nd.mMeshes);
+            }
+        }
+
+        std::vector<unsigned int> FBXConverter::ConvertMesh(const MeshGeometry& mesh, const Model& model,
+            const aiMatrix4x4& node_global_transform, aiNode& nd)
+        {
+            std::vector<unsigned int> temp;
+
+            MeshMap::const_iterator it = meshes_converted.find(&mesh);
+            if (it != meshes_converted.end()) {
+                std::copy((*it).second.begin(), (*it).second.end(), std::back_inserter(temp));
+                return temp;
+            }
+
+            const std::vector<aiVector3D>& vertices = mesh.GetVertices();
+            const std::vector<unsigned int>& faces = mesh.GetFaceIndexCounts();
+            if (vertices.empty() || faces.empty()) {
+                FBXImporter::LogWarn("ignoring empty geometry: " + mesh.Name());
+                return temp;
+            }
+
+            // one material per mesh maps easily to aiMesh. Multiple material
+            // meshes need to be split.
+            const MatIndexArray& mindices = mesh.GetMaterialIndices();
+            if (doc.Settings().readMaterials && !mindices.empty()) {
+                const MatIndexArray::value_type base = mindices[0];
+                for (MatIndexArray::value_type index : mindices) {
+                    if (index != base) {
+                        return ConvertMeshMultiMaterial(mesh, model, node_global_transform, nd);
+                    }
+                }
+            }
+
+            // faster code-path, just copy the data
+            temp.push_back(ConvertMeshSingleMaterial(mesh, model, node_global_transform, nd));
+            return temp;
+        }
+
+        std::vector<unsigned int> FBXConverter::ConvertLine(const LineGeometry& line, const Model& model,
+            const aiMatrix4x4& node_global_transform, aiNode& nd)
+        {
+            std::vector<unsigned int> temp;
+
+            const std::vector<aiVector3D>& vertices = line.GetVertices();
+            const std::vector<int>& indices = line.GetIndices();
+            if (vertices.empty() || indices.empty()) {
+                FBXImporter::LogWarn("ignoring empty line: " + line.Name());
+                return temp;
+            }
+
+            aiMesh* const out_mesh = SetupEmptyMesh(line, nd);
+            out_mesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+
+            // copy vertices
+            out_mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
+            out_mesh->mVertices = new aiVector3D[out_mesh->mNumVertices];
+            std::copy(vertices.begin(), vertices.end(), out_mesh->mVertices);
+
+            //Number of line segments (faces) is "Number of Points - Number of Endpoints"
+            //N.B.: Endpoints in FbxLine are denoted by negative indices.
+            //If such an Index is encountered, add 1 and multiply by -1 to get the real index.
+            unsigned int epcount = 0;
+            for (unsigned i = 0; i < indices.size(); i++)
+            {
+                if (indices[i] < 0) epcount++;
+            }
+            unsigned int pcount = static_cast<unsigned int>( indices.size() );
+            unsigned int scount = out_mesh->mNumFaces = pcount - epcount;
+
+            aiFace* fac = out_mesh->mFaces = new aiFace[scount]();
+            for (unsigned int i = 0; i < pcount; ++i) {
+                if (indices[i] < 0) continue;
+                aiFace& f = *fac++;
+                f.mNumIndices = 2; //2 == aiPrimitiveType_LINE 
+                f.mIndices = new unsigned int[2];
+                f.mIndices[0] = indices[i];
+                int segid = indices[(i + 1 == pcount ? 0 : i + 1)];   //If we have reached he last point, wrap around
+                f.mIndices[1] = (segid < 0 ? (segid + 1)*-1 : segid); //Convert EndPoint Index to normal Index
+            }
+            temp.push_back(static_cast<unsigned int>(meshes.size() - 1));
+            return temp;
+        }
+
+        aiMesh* FBXConverter::SetupEmptyMesh(const Geometry& mesh, aiNode& nd)
+        {
+            aiMesh* const out_mesh = new aiMesh();
+            meshes.push_back(out_mesh);
+            meshes_converted[&mesh].push_back(static_cast<unsigned int>(meshes.size() - 1));
+
+            // set name
+            std::string name = mesh.Name();
+            if (name.substr(0, 10) == "Geometry::") {
+                name = name.substr(10);
+            }
+
+            if (name.length()) {
+                out_mesh->mName.Set(name);
+            }
+            else
+            {
+                out_mesh->mName = nd.mName;
+            }
+
+            return out_mesh;
+        }
+
+        unsigned int FBXConverter::ConvertMeshSingleMaterial(const MeshGeometry& mesh, const Model& model,
+            const aiMatrix4x4& node_global_transform, aiNode& nd)
+        {
+            const MatIndexArray& mindices = mesh.GetMaterialIndices();
+            aiMesh* const out_mesh = SetupEmptyMesh(mesh, nd);
+
+            const std::vector<aiVector3D>& vertices = mesh.GetVertices();
+            const std::vector<unsigned int>& faces = mesh.GetFaceIndexCounts();
+
+            // copy vertices
+            out_mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
+            out_mesh->mVertices = new aiVector3D[vertices.size()];
+
+            std::copy(vertices.begin(), vertices.end(), out_mesh->mVertices);
+
+            // generate dummy faces
+            out_mesh->mNumFaces = static_cast<unsigned int>(faces.size());
+            aiFace* fac = out_mesh->mFaces = new aiFace[faces.size()]();
+
+            unsigned int cursor = 0;
+            for (unsigned int pcount : faces) {
+                aiFace& f = *fac++;
+                f.mNumIndices = pcount;
+                f.mIndices = new unsigned int[pcount];
+                switch (pcount)
+                {
+                case 1:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                    break;
+                case 2:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                    break;
+                case 3:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                    break;
+                default:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                    break;
+                }
+                for (unsigned int i = 0; i < pcount; ++i) {
+                    f.mIndices[i] = cursor++;
+                }
+            }
+
+            // copy normals
+            const std::vector<aiVector3D>& normals = mesh.GetNormals();
+            if (normals.size()) {
+                ai_assert(normals.size() == vertices.size());
+
+                out_mesh->mNormals = new aiVector3D[vertices.size()];
+                std::copy(normals.begin(), normals.end(), out_mesh->mNormals);
+            }
+
+            // copy tangents - assimp requires both tangents and bitangents (binormals)
+            // to be present, or neither of them. Compute binormals from normals
+            // and tangents if needed.
+            const std::vector<aiVector3D>& tangents = mesh.GetTangents();
+            const std::vector<aiVector3D>* binormals = &mesh.GetBinormals();
+
+            if (tangents.size()) {
+                std::vector<aiVector3D> tempBinormals;
+                if (!binormals->size()) {
+                    if (normals.size()) {
+                        tempBinormals.resize(normals.size());
+                        for (unsigned int i = 0; i < tangents.size(); ++i) {
+                            tempBinormals[i] = normals[i] ^ tangents[i];
+                        }
+
+                        binormals = &tempBinormals;
+                    }
+                    else {
+                        binormals = NULL;
+                    }
+                }
+
+                if (binormals) {
+                    ai_assert(tangents.size() == vertices.size());
+                    ai_assert(binormals->size() == vertices.size());
+
+                    out_mesh->mTangents = new aiVector3D[vertices.size()];
+                    std::copy(tangents.begin(), tangents.end(), out_mesh->mTangents);
+
+                    out_mesh->mBitangents = new aiVector3D[vertices.size()];
+                    std::copy(binormals->begin(), binormals->end(), out_mesh->mBitangents);
+                }
+            }
+
+            // copy texture coords
+            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                const std::vector<aiVector2D>& uvs = mesh.GetTextureCoords(i);
+                if (uvs.empty()) {
+                    break;
+                }
+
+                aiVector3D* out_uv = out_mesh->mTextureCoords[i] = new aiVector3D[vertices.size()];
+                for (const aiVector2D& v : uvs) {
+                    *out_uv++ = aiVector3D(v.x, v.y, 0.0f);
+                }
+
+                out_mesh->mNumUVComponents[i] = 2;
+            }
+
+            // copy vertex colors
+            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
+                const std::vector<aiColor4D>& colors = mesh.GetVertexColors(i);
+                if (colors.empty()) {
+                    break;
+                }
+
+                out_mesh->mColors[i] = new aiColor4D[vertices.size()];
+                std::copy(colors.begin(), colors.end(), out_mesh->mColors[i]);
+            }
+
+            if (!doc.Settings().readMaterials || mindices.empty()) {
+                FBXImporter::LogError("no material assigned to mesh, setting default material");
+                out_mesh->mMaterialIndex = GetDefaultMaterial();
+            }
+            else {
+                ConvertMaterialForMesh(out_mesh, model, mesh, mindices[0]);
+            }
+
+            if (doc.Settings().readWeights && mesh.DeformerSkin() != NULL) {
+                ConvertWeights(out_mesh, model, mesh, node_global_transform, NO_MATERIAL_SEPARATION);
+            }
+
+            std::vector<aiAnimMesh*> animMeshes;
+            for (const BlendShape* blendShape : mesh.GetBlendShapes()) {
+                for (const BlendShapeChannel* blendShapeChannel : blendShape->BlendShapeChannels()) {
+                    const std::vector<const ShapeGeometry*>& shapeGeometries = blendShapeChannel->GetShapeGeometries();
+                    for (size_t i = 0; i < shapeGeometries.size(); i++) {
+                        aiAnimMesh *animMesh = aiCreateAnimMesh(out_mesh);
+                        const ShapeGeometry* shapeGeometry = shapeGeometries.at(i);
+                        const std::vector<aiVector3D>& vertices = shapeGeometry->GetVertices();
+                        const std::vector<aiVector3D>& normals = shapeGeometry->GetNormals();
+                        const std::vector<unsigned int>& indices = shapeGeometry->GetIndices();
+                        animMesh->mName.Set(FixAnimMeshName(shapeGeometry->Name()));
+                        for (size_t j = 0; j < indices.size(); j++) {
+                            unsigned int index = indices.at(j);
+                            aiVector3D vertex = vertices.at(j);
+                            aiVector3D normal = normals.at(j);
+                            unsigned int count = 0;
+                            const unsigned int* outIndices = mesh.ToOutputVertexIndex(index, count);
+                            for (unsigned int k = 0; k < count; k++) {
+                                unsigned int index = outIndices[k];
+                                animMesh->mVertices[index] += vertex;
+                                if (animMesh->mNormals != nullptr) {
+                                    animMesh->mNormals[index] += normal;
+                                    animMesh->mNormals[index].NormalizeSafe();
+                                }
+                            }
+                        }
+                        animMesh->mWeight = shapeGeometries.size() > 1 ? blendShapeChannel->DeformPercent() / 100.0f : 1.0f;
+                        animMeshes.push_back(animMesh);
+                    }
+                }
+            }
+            const size_t numAnimMeshes = animMeshes.size();
+            if (numAnimMeshes > 0) {
+                out_mesh->mNumAnimMeshes = static_cast<unsigned int>(numAnimMeshes);
+                out_mesh->mAnimMeshes = new aiAnimMesh*[numAnimMeshes];
+                for (size_t i = 0; i < numAnimMeshes; i++) {
+                    out_mesh->mAnimMeshes[i] = animMeshes.at(i);
+                }
+            }
+            return static_cast<unsigned int>(meshes.size() - 1);
+        }
+
+        std::vector<unsigned int> FBXConverter::ConvertMeshMultiMaterial(const MeshGeometry& mesh, const Model& model,
+            const aiMatrix4x4& node_global_transform, aiNode& nd)
+        {
+            const MatIndexArray& mindices = mesh.GetMaterialIndices();
+            ai_assert(mindices.size());
+
+            std::set<MatIndexArray::value_type> had;
+            std::vector<unsigned int> indices;
+
+            for (MatIndexArray::value_type index : mindices) {
+                if (had.find(index) == had.end()) {
+
+                    indices.push_back(ConvertMeshMultiMaterial(mesh, model, index, node_global_transform, nd));
+                    had.insert(index);
+                }
+            }
+
+            return indices;
+        }
+
+        unsigned int FBXConverter::ConvertMeshMultiMaterial(const MeshGeometry& mesh, const Model& model,
+            MatIndexArray::value_type index,
+            const aiMatrix4x4& node_global_transform,
+            aiNode& nd)
+        {
+            aiMesh* const out_mesh = SetupEmptyMesh(mesh, nd);
+
+            const MatIndexArray& mindices = mesh.GetMaterialIndices();
+            const std::vector<aiVector3D>& vertices = mesh.GetVertices();
+            const std::vector<unsigned int>& faces = mesh.GetFaceIndexCounts();
+
+            const bool process_weights = doc.Settings().readWeights && mesh.DeformerSkin() != NULL;
+
+            unsigned int count_faces = 0;
+            unsigned int count_vertices = 0;
+
+            // count faces
+            std::vector<unsigned int>::const_iterator itf = faces.begin();
+            for (MatIndexArray::const_iterator it = mindices.begin(),
+                end = mindices.end(); it != end; ++it, ++itf)
+            {
+                if ((*it) != index) {
+                    continue;
+                }
+                ++count_faces;
+                count_vertices += *itf;
+            }
+
+            ai_assert(count_faces);
+            ai_assert(count_vertices);
+
+            // mapping from output indices to DOM indexing, needed to resolve weights
+            std::vector<unsigned int> reverseMapping;
+
+            if (process_weights) {
+                reverseMapping.resize(count_vertices);
+            }
+
+            // allocate output data arrays, but don't fill them yet
+            out_mesh->mNumVertices = count_vertices;
+            out_mesh->mVertices = new aiVector3D[count_vertices];
+
+            out_mesh->mNumFaces = count_faces;
+            aiFace* fac = out_mesh->mFaces = new aiFace[count_faces]();
+
+
+            // allocate normals
+            const std::vector<aiVector3D>& normals = mesh.GetNormals();
+            if (normals.size()) {
+                ai_assert(normals.size() == vertices.size());
+                out_mesh->mNormals = new aiVector3D[vertices.size()];
+            }
+
+            // allocate tangents, binormals.
+            const std::vector<aiVector3D>& tangents = mesh.GetTangents();
+            const std::vector<aiVector3D>* binormals = &mesh.GetBinormals();
+            std::vector<aiVector3D> tempBinormals;
+
+            if (tangents.size()) {
+                if (!binormals->size()) {
+                    if (normals.size()) {
+                        // XXX this computes the binormals for the entire mesh, not only
+                        // the part for which we need them.
+                        tempBinormals.resize(normals.size());
+                        for (unsigned int i = 0; i < tangents.size(); ++i) {
+                            tempBinormals[i] = normals[i] ^ tangents[i];
+                        }
+
+                        binormals = &tempBinormals;
+                    }
+                    else {
+                        binormals = NULL;
+                    }
+                }
+
+                if (binormals) {
+                    ai_assert(tangents.size() == vertices.size() && binormals->size() == vertices.size());
+
+                    out_mesh->mTangents = new aiVector3D[vertices.size()];
+                    out_mesh->mBitangents = new aiVector3D[vertices.size()];
+                }
+            }
+
+            // allocate texture coords
+            unsigned int num_uvs = 0;
+            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i, ++num_uvs) {
+                const std::vector<aiVector2D>& uvs = mesh.GetTextureCoords(i);
+                if (uvs.empty()) {
+                    break;
+                }
+
+                out_mesh->mTextureCoords[i] = new aiVector3D[vertices.size()];
+                out_mesh->mNumUVComponents[i] = 2;
+            }
+
+            // allocate vertex colors
+            unsigned int num_vcs = 0;
+            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i, ++num_vcs) {
+                const std::vector<aiColor4D>& colors = mesh.GetVertexColors(i);
+                if (colors.empty()) {
+                    break;
+                }
+
+                out_mesh->mColors[i] = new aiColor4D[vertices.size()];
+            }
+
+            unsigned int cursor = 0, in_cursor = 0;
+
+            itf = faces.begin();
+            for (MatIndexArray::const_iterator it = mindices.begin(), end = mindices.end(); it != end; ++it, ++itf)
+            {
+                const unsigned int pcount = *itf;
+                if ((*it) != index) {
+                    in_cursor += pcount;
+                    continue;
+                }
+
+                aiFace& f = *fac++;
+
+                f.mNumIndices = pcount;
+                f.mIndices = new unsigned int[pcount];
+                switch (pcount)
+                {
+                case 1:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                    break;
+                case 2:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                    break;
+                case 3:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                    break;
+                default:
+                    out_mesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                    break;
+                }
+                for (unsigned int i = 0; i < pcount; ++i, ++cursor, ++in_cursor) {
+                    f.mIndices[i] = cursor;
+
+                    if (reverseMapping.size()) {
+                        reverseMapping[cursor] = in_cursor;
+                    }
+
+                    out_mesh->mVertices[cursor] = vertices[in_cursor];
+
+                    if (out_mesh->mNormals) {
+                        out_mesh->mNormals[cursor] = normals[in_cursor];
+                    }
+
+                    if (out_mesh->mTangents) {
+                        out_mesh->mTangents[cursor] = tangents[in_cursor];
+                        out_mesh->mBitangents[cursor] = (*binormals)[in_cursor];
+                    }
+
+                    for (unsigned int j = 0; j < num_uvs; ++j) {
+                        const std::vector<aiVector2D>& uvs = mesh.GetTextureCoords(j);
+                        out_mesh->mTextureCoords[j][cursor] = aiVector3D(uvs[in_cursor].x, uvs[in_cursor].y, 0.0f);
+                    }
+
+                    for (unsigned int j = 0; j < num_vcs; ++j) {
+                        const std::vector<aiColor4D>& cols = mesh.GetVertexColors(j);
+                        out_mesh->mColors[j][cursor] = cols[in_cursor];
+                    }
+                }
+            }
+
+            ConvertMaterialForMesh(out_mesh, model, mesh, index);
+
+            if (process_weights) {
+                ConvertWeights(out_mesh, model, mesh, node_global_transform, index, &reverseMapping);
+            }
+
+            return static_cast<unsigned int>(meshes.size() - 1);
+        }
+
+        void FBXConverter::ConvertWeights(aiMesh* out, const Model& model, const MeshGeometry& geo,
+            const aiMatrix4x4& node_global_transform,
+            unsigned int materialIndex,
+            std::vector<unsigned int>* outputVertStartIndices)
+        {
+            ai_assert(geo.DeformerSkin());
+
+            std::vector<size_t> out_indices;
+            std::vector<size_t> index_out_indices;
+            std::vector<size_t> count_out_indices;
+
+            const Skin& sk = *geo.DeformerSkin();
+
+            std::vector<aiBone*> bones;
+            bones.reserve(sk.Clusters().size());
+
+            const bool no_mat_check = materialIndex == NO_MATERIAL_SEPARATION;
+            ai_assert(no_mat_check || outputVertStartIndices);
+
+            try {
+
+                for (const Cluster* cluster : sk.Clusters()) {
+                    ai_assert(cluster);
+
+                    const WeightIndexArray& indices = cluster->GetIndices();
+
+                    if (indices.empty()) {
+                        continue;
+                    }
+
+                    const MatIndexArray& mats = geo.GetMaterialIndices();
+
+                    bool ok = false;
+
+                    const size_t no_index_sentinel = std::numeric_limits<size_t>::max();
+
+                    count_out_indices.clear();
+                    index_out_indices.clear();
+                    out_indices.clear();
+
+                    // now check if *any* of these weights is contained in the output mesh,
+                    // taking notes so we don't need to do it twice.
+                    for (WeightIndexArray::value_type index : indices) {
+
+                        unsigned int count = 0;
+                        const unsigned int* const out_idx = geo.ToOutputVertexIndex(index, count);
+                        // ToOutputVertexIndex only returns NULL if index is out of bounds
+                        // which should never happen
+                        ai_assert(out_idx != NULL);
+
+                        index_out_indices.push_back(no_index_sentinel);
+                        count_out_indices.push_back(0);
+
+                        for (unsigned int i = 0; i < count; ++i) {
+                            if (no_mat_check || static_cast<size_t>(mats[geo.FaceForVertexIndex(out_idx[i])]) == materialIndex) {
+
+                                if (index_out_indices.back() == no_index_sentinel) {
+                                    index_out_indices.back() = out_indices.size();
+
+                                }
+
+                                if (no_mat_check) {
+                                    out_indices.push_back(out_idx[i]);
+                                }
+                                else {
+                                    // this extra lookup is in O(logn), so the entire algorithm becomes O(nlogn)
+                                    const std::vector<unsigned int>::iterator it = std::lower_bound(
+                                        outputVertStartIndices->begin(),
+                                        outputVertStartIndices->end(),
+                                        out_idx[i]
+                                    );
+
+                                    out_indices.push_back(std::distance(outputVertStartIndices->begin(), it));
+                                }
+
+                                ++count_out_indices.back();
+                                ok = true;
+                            }
+                        }
+                    }
+
+                    // if we found at least one, generate the output bones
+                    // XXX this could be heavily simplified by collecting the bone
+                    // data in a single step.
+                    if (ok) {
+                        ConvertCluster(bones, model, *cluster, out_indices, index_out_indices,
+                            count_out_indices, node_global_transform);
+                    }
+                }
+            }
+            catch (std::exception&) {
+                std::for_each(bones.begin(), bones.end(), Util::delete_fun<aiBone>());
+                throw;
+            }
+
+            if (bones.empty()) {
+                return;
+            }
+
+            out->mBones = new aiBone*[bones.size()]();
+            out->mNumBones = static_cast<unsigned int>(bones.size());
+
+            std::swap_ranges(bones.begin(), bones.end(), out->mBones);
+        }
+
+        void FBXConverter::ConvertCluster(std::vector<aiBone*>& bones, const Model& /*model*/, const Cluster& cl,
+            std::vector<size_t>& out_indices,
+            std::vector<size_t>& index_out_indices,
+            std::vector<size_t>& count_out_indices,
+            const aiMatrix4x4& node_global_transform)
+        {
+
+            aiBone* const bone = new aiBone();
+            bones.push_back(bone);
+
+            bone->mName = FixNodeName(cl.TargetNode()->Name());
+
+            bone->mOffsetMatrix = cl.TransformLink();
+            bone->mOffsetMatrix.Inverse();
+
+            bone->mOffsetMatrix = bone->mOffsetMatrix * node_global_transform;
+
+            bone->mNumWeights = static_cast<unsigned int>(out_indices.size());
+            aiVertexWeight* cursor = bone->mWeights = new aiVertexWeight[out_indices.size()];
+
+            const size_t no_index_sentinel = std::numeric_limits<size_t>::max();
+            const WeightArray& weights = cl.GetWeights();
+
+            const size_t c = index_out_indices.size();
+            for (size_t i = 0; i < c; ++i) {
+                const size_t index_index = index_out_indices[i];
+
+                if (index_index == no_index_sentinel) {
+                    continue;
+                }
+
+                const size_t cc = count_out_indices[i];
+                for (size_t j = 0; j < cc; ++j) {
+                    aiVertexWeight& out_weight = *cursor++;
+
+                    out_weight.mVertexId = static_cast<unsigned int>(out_indices[index_index + j]);
+                    out_weight.mWeight = weights[i];
+                }
+            }
+        }
+
+        void FBXConverter::ConvertMaterialForMesh(aiMesh* out, const Model& model, const MeshGeometry& geo,
+            MatIndexArray::value_type materialIndex)
+        {
+            // locate source materials for this mesh
+            const std::vector<const Material*>& mats = model.GetMaterials();
+            if (static_cast<unsigned int>(materialIndex) >= mats.size() || materialIndex < 0) {
+                FBXImporter::LogError("material index out of bounds, setting default material");
+                out->mMaterialIndex = GetDefaultMaterial();
+                return;
+            }
+
+            const Material* const mat = mats[materialIndex];
+            MaterialMap::const_iterator it = materials_converted.find(mat);
+            if (it != materials_converted.end()) {
+                out->mMaterialIndex = (*it).second;
+                return;
+            }
+
+            out->mMaterialIndex = ConvertMaterial(*mat, &geo);
+            materials_converted[mat] = out->mMaterialIndex;
+        }
+
+        unsigned int FBXConverter::GetDefaultMaterial()
+        {
+            if (defaultMaterialIndex) {
+                return defaultMaterialIndex - 1;
+            }
+
+            aiMaterial* out_mat = new aiMaterial();
+            materials.push_back(out_mat);
+
+            const aiColor3D diffuse = aiColor3D(0.8f, 0.8f, 0.8f);
+            out_mat->AddProperty(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
+
+            aiString s;
+            s.Set(AI_DEFAULT_MATERIAL_NAME);
+
+            out_mat->AddProperty(&s, AI_MATKEY_NAME);
+
+            defaultMaterialIndex = static_cast<unsigned int>(materials.size());
+            return defaultMaterialIndex - 1;
+        }
+
+
+        unsigned int FBXConverter::ConvertMaterial(const Material& material, const MeshGeometry* const mesh)
+        {
+            const PropertyTable& props = material.Props();
+
+            // generate empty output material
+            aiMaterial* out_mat = new aiMaterial();
+            materials_converted[&material] = static_cast<unsigned int>(materials.size());
+
+            materials.push_back(out_mat);
+
+            aiString str;
+
+            // strip Material:: prefix
+            std::string name = material.Name();
+            if (name.substr(0, 10) == "Material::") {
+                name = name.substr(10);
+            }
+
+            // set material name if not empty - this could happen
+            // and there should be no key for it in this case.
+            if (name.length()) {
+                str.Set(name);
+                out_mat->AddProperty(&str, AI_MATKEY_NAME);
+            }
+
+            // shading stuff and colors
+            SetShadingPropertiesCommon(out_mat, props);
+            SetShadingPropertiesRaw( out_mat, props, material.Textures(), mesh );
+
+            // texture assignments
+            SetTextureProperties(out_mat, material.Textures(), mesh);
+            SetTextureProperties(out_mat, material.LayeredTextures(), mesh);
+
+            return static_cast<unsigned int>(materials.size() - 1);
+        }
+
+        unsigned int FBXConverter::ConvertVideo(const Video& video)
+        {
+            // generate empty output texture
+            aiTexture* out_tex = new aiTexture();
+            textures.push_back(out_tex);
+
+            // assuming the texture is compressed
+            out_tex->mWidth = static_cast<unsigned int>(video.ContentLength()); // total data size
+            out_tex->mHeight = 0; // fixed to 0
+
+            // steal the data from the Video to avoid an additional copy
+            out_tex->pcData = reinterpret_cast<aiTexel*>(const_cast<Video&>(video).RelinquishContent());
+
+            // try to extract a hint from the file extension
+            const std::string& filename = video.FileName().empty() ? video.RelativeFilename() : video.FileName();
+            std::string ext = BaseImporter::GetExtension(filename);
+
+            if (ext == "jpeg") {
+                ext = "jpg";
+            }
+
+            if (ext.size() <= 3) {
+                memcpy(out_tex->achFormatHint, ext.c_str(), ext.size());
+            }
+
+            out_tex->mFilename.Set(video.FileName().c_str());
+
+            return static_cast<unsigned int>(textures.size() - 1);
+        }
+
+        aiString FBXConverter::GetTexturePath(const Texture* tex)
+        {
+            aiString path;
+            path.Set(tex->RelativeFilename());
+
+            const Video* media = tex->Media();
+            if (media != nullptr) {
+                bool textureReady = false; //tells if our texture is ready (if it was loaded or if it was found)
+                unsigned int index;
+
+                VideoMap::const_iterator it = textures_converted.find(media);
+                if (it != textures_converted.end()) {
+                    index = (*it).second;
+                    textureReady = true;
+                }
+                else {
+                    if (media->ContentLength() > 0) {
+                        index = ConvertVideo(*media);
+                        textures_converted[media] = index;
+                        textureReady = true;
+                    }
+                }
+
+                // setup texture reference string (copied from ColladaLoader::FindFilenameForEffectTexture), if the texture is ready
+                if (doc.Settings().useLegacyEmbeddedTextureNaming) {
+                    if (textureReady) {
+                        // TODO: check the possibility of using the flag "AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING"
+                        // In FBX files textures are now stored internally by Assimp with their filename included
+                        // Now Assimp can lookup through the loaded textures after all data is processed
+                        // We need to load all textures before referencing them, as FBX file format order may reference a texture before loading it
+                        // This may occur on this case too, it has to be studied
+                        path.data[0] = '*';
+                        path.length = 1 + ASSIMP_itoa10(path.data + 1, MAXLEN - 1, index);
+                    }
+                }
+            }
+
+            return path;
+        }
+
+        void FBXConverter::TrySetTextureProperties(aiMaterial* out_mat, const TextureMap& textures,
+            const std::string& propName,
+            aiTextureType target, const MeshGeometry* const mesh)
+        {
+            TextureMap::const_iterator it = textures.find(propName);
+            if (it == textures.end()) {
+                return;
+            }
+
+            const Texture* const tex = (*it).second;
+            if (tex != 0)
+            {
+                aiString path = GetTexturePath(tex);
+                out_mat->AddProperty(&path, _AI_MATKEY_TEXTURE_BASE, target, 0);
+
+                aiUVTransform uvTrafo;
+                // XXX handle all kinds of UV transformations
+                uvTrafo.mScaling = tex->UVScaling();
+                uvTrafo.mTranslation = tex->UVTranslation();
+                out_mat->AddProperty(&uvTrafo, 1, _AI_MATKEY_UVTRANSFORM_BASE, target, 0);
+
+                const PropertyTable& props = tex->Props();
+
+                int uvIndex = 0;
+
+                bool ok;
+                const std::string& uvSet = PropertyGet<std::string>(props, "UVSet", ok);
+                if (ok) {
+                    // "default" is the name which usually appears in the FbxFileTexture template
+                    if (uvSet != "default" && uvSet.length()) {
+                        // this is a bit awkward - we need to find a mesh that uses this
+                        // material and scan its UV channels for the given UV name because
+                        // assimp references UV channels by index, not by name.
+
+                        // XXX: the case that UV channels may appear in different orders
+                        // in meshes is unhandled. A possible solution would be to sort
+                        // the UV channels alphabetically, but this would have the side
+                        // effect that the primary (first) UV channel would sometimes
+                        // be moved, causing trouble when users read only the first
+                        // UV channel and ignore UV channel assignments altogether.
+
+                        const unsigned int matIndex = static_cast<unsigned int>(std::distance(materials.begin(),
+                            std::find(materials.begin(), materials.end(), out_mat)
+                        ));
+
+
+                        uvIndex = -1;
+                        if (!mesh)
+                        {
+                            for (const MeshMap::value_type& v : meshes_converted) {
+                                const MeshGeometry* const meshGeom = dynamic_cast<const MeshGeometry*> (v.first);
+                                if (!meshGeom) {
+                                    continue;
+                                }
+
+                                const MatIndexArray& mats = meshGeom->GetMaterialIndices();
+                                if (std::find(mats.begin(), mats.end(), matIndex) == mats.end()) {
+                                    continue;
+                                }
+
+                                int index = -1;
+                                for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                    if (meshGeom->GetTextureCoords(i).empty()) {
+                                        break;
+                                    }
+                                    const std::string& name = meshGeom->GetTextureCoordChannelName(i);
+                                    if (name == uvSet) {
+                                        index = static_cast<int>(i);
+                                        break;
+                                    }
+                                }
+                                if (index == -1) {
+                                    FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                                    continue;
+                                }
+
+                                if (uvIndex == -1) {
+                                    uvIndex = index;
+                                }
+                                else {
+                                    FBXImporter::LogWarn("the UV channel named " + uvSet +
+                                        " appears at different positions in meshes, results will be wrong");
+                                }
+                            }
+                        }
+                        else
+                        {
+                            int index = -1;
+                            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                if (mesh->GetTextureCoords(i).empty()) {
+                                    break;
+                                }
+                                const std::string& name = mesh->GetTextureCoordChannelName(i);
+                                if (name == uvSet) {
+                                    index = static_cast<int>(i);
+                                    break;
+                                }
+                            }
+                            if (index == -1) {
+                                FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                            }
+
+                            if (uvIndex == -1) {
+                                uvIndex = index;
+                            }
+                        }
+
+                        if (uvIndex == -1) {
+                            FBXImporter::LogWarn("failed to resolve UV channel " + uvSet + ", using first UV channel");
+                            uvIndex = 0;
+                        }
+                    }
+                }
+
+                out_mat->AddProperty(&uvIndex, 1, _AI_MATKEY_UVWSRC_BASE, target, 0);
+            }
+        }
+
+        void FBXConverter::TrySetTextureProperties(aiMaterial* out_mat, const LayeredTextureMap& layeredTextures,
+            const std::string& propName,
+            aiTextureType target, const MeshGeometry* const mesh) {
+            LayeredTextureMap::const_iterator it = layeredTextures.find(propName);
+            if (it == layeredTextures.end()) {
+                return;
+            }
+
+            int texCount = (*it).second->textureCount();
+
+            // Set the blend mode for layered textures
+            int blendmode = (*it).second->GetBlendMode();
+            out_mat->AddProperty(&blendmode, 1, _AI_MATKEY_TEXOP_BASE, target, 0);
+
+            for (int texIndex = 0; texIndex < texCount; texIndex++) {
+
+                const Texture* const tex = (*it).second->getTexture(texIndex);
+
+                aiString path = GetTexturePath(tex);
+                out_mat->AddProperty(&path, _AI_MATKEY_TEXTURE_BASE, target, texIndex);
+
+                aiUVTransform uvTrafo;
+                // XXX handle all kinds of UV transformations
+                uvTrafo.mScaling = tex->UVScaling();
+                uvTrafo.mTranslation = tex->UVTranslation();
+                out_mat->AddProperty(&uvTrafo, 1, _AI_MATKEY_UVTRANSFORM_BASE, target, texIndex);
+
+                const PropertyTable& props = tex->Props();
+
+                int uvIndex = 0;
+
+                bool ok;
+                const std::string& uvSet = PropertyGet<std::string>(props, "UVSet", ok);
+                if (ok) {
+                    // "default" is the name which usually appears in the FbxFileTexture template
+                    if (uvSet != "default" && uvSet.length()) {
+                        // this is a bit awkward - we need to find a mesh that uses this
+                        // material and scan its UV channels for the given UV name because
+                        // assimp references UV channels by index, not by name.
+
+                        // XXX: the case that UV channels may appear in different orders
+                        // in meshes is unhandled. A possible solution would be to sort
+                        // the UV channels alphabetically, but this would have the side
+                        // effect that the primary (first) UV channel would sometimes
+                        // be moved, causing trouble when users read only the first
+                        // UV channel and ignore UV channel assignments altogether.
+
+                        const unsigned int matIndex = static_cast<unsigned int>(std::distance(materials.begin(),
+                            std::find(materials.begin(), materials.end(), out_mat)
+                        ));
+
+                        uvIndex = -1;
+                        if (!mesh)
+                        {
+                            for (const MeshMap::value_type& v : meshes_converted) {
+                                const MeshGeometry* const meshGeom = dynamic_cast<const MeshGeometry*> (v.first);
+                                if (!meshGeom) {
+                                    continue;
+                                }
+
+                                const MatIndexArray& mats = meshGeom->GetMaterialIndices();
+                                if (std::find(mats.begin(), mats.end(), matIndex) == mats.end()) {
+                                    continue;
+                                }
+
+                                int index = -1;
+                                for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                    if (meshGeom->GetTextureCoords(i).empty()) {
+                                        break;
+                                    }
+                                    const std::string& name = meshGeom->GetTextureCoordChannelName(i);
+                                    if (name == uvSet) {
+                                        index = static_cast<int>(i);
+                                        break;
+                                    }
+                                }
+                                if (index == -1) {
+                                    FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                                    continue;
+                                }
+
+                                if (uvIndex == -1) {
+                                    uvIndex = index;
+                                }
+                                else {
+                                    FBXImporter::LogWarn("the UV channel named " + uvSet +
+                                        " appears at different positions in meshes, results will be wrong");
+                                }
+                            }
+                        }
+                        else
+                        {
+                            int index = -1;
+                            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                if (mesh->GetTextureCoords(i).empty()) {
+                                    break;
+                                }
+                                const std::string& name = mesh->GetTextureCoordChannelName(i);
+                                if (name == uvSet) {
+                                    index = static_cast<int>(i);
+                                    break;
+                                }
+                            }
+                            if (index == -1) {
+                                FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                            }
+
+                            if (uvIndex == -1) {
+                                uvIndex = index;
+                            }
+                        }
+
+                        if (uvIndex == -1) {
+                            FBXImporter::LogWarn("failed to resolve UV channel " + uvSet + ", using first UV channel");
+                            uvIndex = 0;
+                        }
+                    }
+                }
+
+                out_mat->AddProperty(&uvIndex, 1, _AI_MATKEY_UVWSRC_BASE, target, texIndex);
+            }
+        }
+
+        void FBXConverter::SetTextureProperties(aiMaterial* out_mat, const TextureMap& textures, const MeshGeometry* const mesh)
+        {
+            TrySetTextureProperties(out_mat, textures, "DiffuseColor", aiTextureType_DIFFUSE, mesh);
+            TrySetTextureProperties(out_mat, textures, "AmbientColor", aiTextureType_AMBIENT, mesh);
+            TrySetTextureProperties(out_mat, textures, "EmissiveColor", aiTextureType_EMISSIVE, mesh);
+            TrySetTextureProperties(out_mat, textures, "SpecularColor", aiTextureType_SPECULAR, mesh);
+            TrySetTextureProperties(out_mat, textures, "SpecularFactor", aiTextureType_SPECULAR, mesh);
+            TrySetTextureProperties(out_mat, textures, "TransparentColor", aiTextureType_OPACITY, mesh);
+            TrySetTextureProperties(out_mat, textures, "ReflectionColor", aiTextureType_REFLECTION, mesh);
+            TrySetTextureProperties(out_mat, textures, "DisplacementColor", aiTextureType_DISPLACEMENT, mesh);
+            TrySetTextureProperties(out_mat, textures, "NormalMap", aiTextureType_NORMALS, mesh);
+            TrySetTextureProperties(out_mat, textures, "Bump", aiTextureType_HEIGHT, mesh);
+            TrySetTextureProperties(out_mat, textures, "ShininessExponent", aiTextureType_SHININESS, mesh);
+			TrySetTextureProperties( out_mat, textures, "TransparencyFactor", aiTextureType_OPACITY, mesh );
+			TrySetTextureProperties( out_mat, textures, "EmissiveFactor", aiTextureType_EMISSIVE, mesh );
+            //Maya counterparts
+            TrySetTextureProperties(out_mat, textures, "Maya|DiffuseTexture", aiTextureType_DIFFUSE, mesh);
+            TrySetTextureProperties(out_mat, textures, "Maya|NormalTexture", aiTextureType_NORMALS, mesh);
+            TrySetTextureProperties(out_mat, textures, "Maya|SpecularTexture", aiTextureType_SPECULAR, mesh);
+            TrySetTextureProperties(out_mat, textures, "Maya|FalloffTexture", aiTextureType_OPACITY, mesh);
+            TrySetTextureProperties(out_mat, textures, "Maya|ReflectionMapTexture", aiTextureType_REFLECTION, mesh);
+        }
+
+        void FBXConverter::SetTextureProperties(aiMaterial* out_mat, const LayeredTextureMap& layeredTextures, const MeshGeometry* const mesh)
+        {
+            TrySetTextureProperties(out_mat, layeredTextures, "DiffuseColor", aiTextureType_DIFFUSE, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "AmbientColor", aiTextureType_AMBIENT, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "EmissiveColor", aiTextureType_EMISSIVE, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "SpecularColor", aiTextureType_SPECULAR, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "SpecularFactor", aiTextureType_SPECULAR, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "TransparentColor", aiTextureType_OPACITY, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "ReflectionColor", aiTextureType_REFLECTION, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "DisplacementColor", aiTextureType_DISPLACEMENT, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "NormalMap", aiTextureType_NORMALS, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "Bump", aiTextureType_HEIGHT, mesh);
+            TrySetTextureProperties(out_mat, layeredTextures, "ShininessExponent", aiTextureType_SHININESS, mesh);
+			TrySetTextureProperties( out_mat, layeredTextures, "EmissiveFactor", aiTextureType_EMISSIVE, mesh );
+			TrySetTextureProperties( out_mat, layeredTextures, "TransparencyFactor", aiTextureType_OPACITY, mesh );
+        }
+
+        aiColor3D FBXConverter::GetColorPropertyFactored(const PropertyTable& props, const std::string& colorName,
+            const std::string& factorName, bool& result, bool useTemplate)
+        {
+            result = true;
+
+            bool ok;
+            aiVector3D BaseColor = PropertyGet<aiVector3D>(props, colorName, ok, useTemplate);
+            if (!ok) {
+                result = false;
+                return aiColor3D(0.0f, 0.0f, 0.0f);
+            }
+
+            // if no factor name, return the colour as is
+            if (factorName.empty()) {
+                return aiColor3D(BaseColor.x, BaseColor.y, BaseColor.z);
+            }
+
+            // otherwise it should be multiplied by the factor, if found.
+            float factor = PropertyGet<float>(props, factorName, ok, useTemplate);
+            if (ok) {
+                BaseColor *= factor;
+            }
+            return aiColor3D(BaseColor.x, BaseColor.y, BaseColor.z);
+        }
+
+        aiColor3D FBXConverter::GetColorPropertyFromMaterial(const PropertyTable& props, const std::string& baseName,
+            bool& result)
+        {
+            return GetColorPropertyFactored(props, baseName + "Color", baseName + "Factor", result, true);
+        }
+
+        aiColor3D FBXConverter::GetColorProperty(const PropertyTable& props, const std::string& colorName,
+            bool& result, bool useTemplate)
+        {
+            result = true;
+            bool ok;
+            const aiVector3D& ColorVec = PropertyGet<aiVector3D>(props, colorName, ok, useTemplate);
+            if (!ok) {
+                result = false;
+                return aiColor3D(0.0f, 0.0f, 0.0f);
+            }
+            return aiColor3D(ColorVec.x, ColorVec.y, ColorVec.z);
+        }
+
+        void FBXConverter::SetShadingPropertiesCommon(aiMaterial* out_mat, const PropertyTable& props)
+        {
+            // Set shading properties.
+            // Modern FBX Files have two separate systems for defining these,
+            // with only the more comprehensive one described in the property template.
+            // Likely the other values are a legacy system,
+            // which is still always exported by the official FBX SDK.
+            //
+            // Blender's FBX import and export mostly ignore this legacy system,
+            // and as we only support recent versions of FBX anyway, we can do the same.
+            bool ok;
+
+            const aiColor3D& Diffuse = GetColorPropertyFromMaterial(props, "Diffuse", ok);
+            if (ok) {
+                out_mat->AddProperty(&Diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
+            }
+
+            const aiColor3D& Emissive = GetColorPropertyFromMaterial(props, "Emissive", ok);
+            if (ok) {
+                out_mat->AddProperty(&Emissive, 1, AI_MATKEY_COLOR_EMISSIVE);
+            }
+
+            const aiColor3D& Ambient = GetColorPropertyFromMaterial(props, "Ambient", ok);
+            if (ok) {
+                out_mat->AddProperty(&Ambient, 1, AI_MATKEY_COLOR_AMBIENT);
+            }
+
+            // we store specular factor as SHININESS_STRENGTH, so just get the color
+            const aiColor3D& Specular = GetColorProperty(props, "SpecularColor", ok, true);
+            if (ok) {
+                out_mat->AddProperty(&Specular, 1, AI_MATKEY_COLOR_SPECULAR);
+            }
+
+            // and also try to get SHININESS_STRENGTH
+            const float SpecularFactor = PropertyGet<float>(props, "SpecularFactor", ok, true);
+            if (ok) {
+                out_mat->AddProperty(&SpecularFactor, 1, AI_MATKEY_SHININESS_STRENGTH);
+            }
+
+            // and the specular exponent
+            const float ShininessExponent = PropertyGet<float>(props, "ShininessExponent", ok);
+            if (ok) {
+                out_mat->AddProperty(&ShininessExponent, 1, AI_MATKEY_SHININESS);
+            }
+
+            // TransparentColor / TransparencyFactor... gee thanks FBX :rolleyes:
+            const aiColor3D& Transparent = GetColorPropertyFactored(props, "TransparentColor", "TransparencyFactor", ok);
+            float CalculatedOpacity = 1.0f;
+            if (ok) {
+                out_mat->AddProperty(&Transparent, 1, AI_MATKEY_COLOR_TRANSPARENT);
+                // as calculated by FBX SDK 2017:
+                CalculatedOpacity = 1.0f - ((Transparent.r + Transparent.g + Transparent.b) / 3.0f);
+            }
+
+            // use of TransparencyFactor is inconsistent.
+            // Maya always stores it as 1.0,
+            // so we can't use it to set AI_MATKEY_OPACITY.
+            // Blender is more sensible and stores it as the alpha value.
+            // However both the FBX SDK and Blender always write an additional
+            // legacy "Opacity" field, so we can try to use that.
+            //
+            // If we can't find it,
+            // we can fall back to the value which the FBX SDK calculates
+            // from transparency colour (RGB) and factor (F) as
+            // 1.0 - F*((R+G+B)/3).
+            //
+            // There's no consistent way to interpret this opacity value,
+            // so it's up to clients to do the correct thing.
+            const float Opacity = PropertyGet<float>(props, "Opacity", ok);
+            if (ok) {
+                out_mat->AddProperty(&Opacity, 1, AI_MATKEY_OPACITY);
+            }
+            else if (CalculatedOpacity != 1.0) {
+                out_mat->AddProperty(&CalculatedOpacity, 1, AI_MATKEY_OPACITY);
+            }
+
+            // reflection color and factor are stored separately
+            const aiColor3D& Reflection = GetColorProperty(props, "ReflectionColor", ok, true);
+            if (ok) {
+                out_mat->AddProperty(&Reflection, 1, AI_MATKEY_COLOR_REFLECTIVE);
+            }
+
+            float ReflectionFactor = PropertyGet<float>(props, "ReflectionFactor", ok, true);
+            if (ok) {
+                out_mat->AddProperty(&ReflectionFactor, 1, AI_MATKEY_REFLECTIVITY);
+            }
+
+            const float BumpFactor = PropertyGet<float>(props, "BumpFactor", ok);
+            if (ok) {
+                out_mat->AddProperty(&BumpFactor, 1, AI_MATKEY_BUMPSCALING);
+            }
+
+            const float DispFactor = PropertyGet<float>(props, "DisplacementFactor", ok);
+            if (ok) {
+                out_mat->AddProperty(&DispFactor, 1, "$mat.displacementscaling", 0, 0);
+    }
+}
+
+
+void FBXConverter::SetShadingPropertiesRaw(aiMaterial* out_mat, const PropertyTable& props, const TextureMap& textures, const MeshGeometry* const mesh)
+{
+    // Add all the unparsed properties with a "$raw." prefix
+
+    const std::string prefix = "$raw.";
+
+    for (const DirectPropertyMap::value_type& prop : props.GetUnparsedProperties()) {
+
+        std::string name = prefix + prop.first;
+
+        if (const TypedProperty<aiVector3D>* interpreted = prop.second->As<TypedProperty<aiVector3D> >())
+        {
+            out_mat->AddProperty(&interpreted->Value(), 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<aiColor3D>* interpreted = prop.second->As<TypedProperty<aiColor3D> >())
+        {
+            out_mat->AddProperty(&interpreted->Value(), 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<aiColor4D>* interpreted = prop.second->As<TypedProperty<aiColor4D> >())
+        {
+            out_mat->AddProperty(&interpreted->Value(), 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<float>* interpreted = prop.second->As<TypedProperty<float> >())
+        {
+            out_mat->AddProperty(&interpreted->Value(), 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<int>* interpreted = prop.second->As<TypedProperty<int> >())
+        {
+            out_mat->AddProperty(&interpreted->Value(), 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<bool>* interpreted = prop.second->As<TypedProperty<bool> >())
+        {
+            int value = interpreted->Value() ? 1 : 0;
+            out_mat->AddProperty(&value, 1, name.c_str(), 0, 0);
+        }
+        else if (const TypedProperty<std::string>* interpreted = prop.second->As<TypedProperty<std::string> >())
+        {
+            const aiString value = aiString(interpreted->Value());
+            out_mat->AddProperty(&value, name.c_str(), 0, 0);
+        }
+    }
+
+    // Add the textures' properties
+
+    for (TextureMap::const_iterator it = textures.begin(); it != textures.end(); it++) {
+
+        std::string name = prefix + it->first;
+
+        const Texture* const tex = (*it).second;
+        if (tex != nullptr)
+        {
+            aiString path;
+            path.Set(tex->RelativeFilename());
+
+            const Video* media = tex->Media();
+            if (media != nullptr && media->ContentLength() > 0) {
+                unsigned int index;
+
+                VideoMap::const_iterator it = textures_converted.find(media);
+                if (it != textures_converted.end()) {
+                    index = (*it).second;
+                }
+                else {
+                    index = ConvertVideo(*media);
+                    textures_converted[media] = index;
+                }
+
+                // setup texture reference string (copied from ColladaLoader::FindFilenameForEffectTexture)
+                path.data[0] = '*';
+                path.length = 1 + ASSIMP_itoa10(path.data + 1, MAXLEN - 1, index);
+            }
+
+            out_mat->AddProperty(&path, (name + "|file").c_str(), aiTextureType_UNKNOWN, 0);
+
+            aiUVTransform uvTrafo;
+            // XXX handle all kinds of UV transformations
+            uvTrafo.mScaling = tex->UVScaling();
+            uvTrafo.mTranslation = tex->UVTranslation();
+            out_mat->AddProperty(&uvTrafo, 1, (name + "|uvtrafo").c_str(), aiTextureType_UNKNOWN, 0);
+ 
+            int uvIndex = 0;
+
+            bool uvFound = false;
+            const std::string& uvSet = PropertyGet<std::string>(tex->Props(), "UVSet", uvFound);
+            if (uvFound) {
+                // "default" is the name which usually appears in the FbxFileTexture template
+                if (uvSet != "default" && uvSet.length()) {
+                    // this is a bit awkward - we need to find a mesh that uses this
+                    // material and scan its UV channels for the given UV name because
+                    // assimp references UV channels by index, not by name.
+
+                    // XXX: the case that UV channels may appear in different orders
+                    // in meshes is unhandled. A possible solution would be to sort
+                    // the UV channels alphabetically, but this would have the side
+                    // effect that the primary (first) UV channel would sometimes
+                    // be moved, causing trouble when users read only the first
+                    // UV channel and ignore UV channel assignments altogether.
+
+                    std::vector<aiMaterial*>::iterator materialIt = std::find(materials.begin(), materials.end(), out_mat);
+                    const unsigned int matIndex = static_cast<unsigned int>(std::distance(materials.begin(), materialIt));
+
+                    uvIndex = -1;
+                    if (!mesh)
+                    {
+                        for (const MeshMap::value_type& v : meshes_converted) {
+                            const MeshGeometry* const meshGeom = dynamic_cast<const MeshGeometry*>(v.first);
+                            if (!meshGeom) {
+                                continue;
+                            }
+
+                            const MatIndexArray& mats = meshGeom->GetMaterialIndices();
+                            if (std::find(mats.begin(), mats.end(), matIndex) == mats.end()) {
+                                continue;
+                            }
+
+                            int index = -1;
+                            for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                                if (meshGeom->GetTextureCoords(i).empty()) {
+                                    break;
+                                }
+                                const std::string& name = meshGeom->GetTextureCoordChannelName(i);
+                                if (name == uvSet) {
+                                    index = static_cast<int>(i);
+                                    break;
+                                }
+                            }
+                            if (index == -1) {
+                                FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                                continue;
+                            }
+
+                            if (uvIndex == -1) {
+                                uvIndex = index;
+                            }
+                            else {
+                                FBXImporter::LogWarn("the UV channel named " + uvSet + " appears at different positions in meshes, results will be wrong");
+                            }
+                        }
+                    }
+                    else
+                    {
+                        int index = -1;
+                        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+                            if (mesh->GetTextureCoords(i).empty()) {
+                                break;
+                            }
+                            const std::string& name = mesh->GetTextureCoordChannelName(i);
+                            if (name == uvSet) {
+                                index = static_cast<int>(i);
+                                break;
+                            }
+                        }
+                        if (index == -1) {
+                            FBXImporter::LogWarn("did not find UV channel named " + uvSet + " in a mesh using this material");
+                        }
+
+                        if (uvIndex == -1) {
+                            uvIndex = index;
+                        }
+                    }
+
+                    if (uvIndex == -1) {
+                        FBXImporter::LogWarn("failed to resolve UV channel " + uvSet + ", using first UV channel");
+                        uvIndex = 0;
+                    }
+                }
+            }
+
+            out_mat->AddProperty(&uvIndex, 1, (name + "|uvwsrc").c_str(), aiTextureType_UNKNOWN, 0);
+        }
+            }
+        }
+
+
+        double FBXConverter::FrameRateToDouble(FileGlobalSettings::FrameRate fp, double customFPSVal) {
+            switch (fp) {
+            case FileGlobalSettings::FrameRate_DEFAULT:
+                return 1.0;
+
+            case FileGlobalSettings::FrameRate_120:
+                return 120.0;
+
+            case FileGlobalSettings::FrameRate_100:
+                return 100.0;
+
+            case FileGlobalSettings::FrameRate_60:
+                return 60.0;
+
+            case FileGlobalSettings::FrameRate_50:
+                return 50.0;
+
+            case FileGlobalSettings::FrameRate_48:
+                return 48.0;
+
+            case FileGlobalSettings::FrameRate_30:
+            case FileGlobalSettings::FrameRate_30_DROP:
+                return 30.0;
+
+            case FileGlobalSettings::FrameRate_NTSC_DROP_FRAME:
+            case FileGlobalSettings::FrameRate_NTSC_FULL_FRAME:
+                return 29.9700262;
+
+            case FileGlobalSettings::FrameRate_PAL:
+                return 25.0;
+
+            case FileGlobalSettings::FrameRate_CINEMA:
+                return 24.0;
+
+            case FileGlobalSettings::FrameRate_1000:
+                return 1000.0;
+
+            case FileGlobalSettings::FrameRate_CINEMA_ND:
+                return 23.976;
+
+            case FileGlobalSettings::FrameRate_CUSTOM:
+                return customFPSVal;
+
+            case FileGlobalSettings::FrameRate_MAX: // this is to silence compiler warnings
+                break;
+            }
+
+            ai_assert(false);
+
+            return -1.0f;
+        }
+
+
+        void FBXConverter::ConvertAnimations()
+        {
+            // first of all determine framerate
+            const FileGlobalSettings::FrameRate fps = doc.GlobalSettings().TimeMode();
+            const float custom = doc.GlobalSettings().CustomFrameRate();
+            anim_fps = FrameRateToDouble(fps, custom);
+
+            const std::vector<const AnimationStack*>& animations = doc.AnimationStacks();
+            for (const AnimationStack* stack : animations) {
+                ConvertAnimationStack(*stack);
+            }
+        }
+
+        std::string FBXConverter::FixNodeName(const std::string& name) {
+            // strip Model:: prefix, avoiding ambiguities (i.e. don't strip if
+            // this causes ambiguities, well possible between empty identifiers,
+            // such as "Model::" and ""). Make sure the behaviour is consistent
+            // across multiple calls to FixNodeName().
+            if (name.substr(0, 7) == "Model::") {
+                std::string temp = name.substr(7);
+                return temp;
+            }
+
+            return name;
+        }
+
+        std::string FBXConverter::FixAnimMeshName(const std::string& name) {
+            if (name.length()) {
+                size_t indexOf = name.find_first_of("::");
+                if (indexOf != std::string::npos && indexOf < name.size() - 2) {
+                    return name.substr(indexOf + 2);
+                }
+            }
+            return name.length() ? name : "AnimMesh";
+        }
+
+        void FBXConverter::ConvertAnimationStack(const AnimationStack& st)
+        {
+            const AnimationLayerList& layers = st.Layers();
+            if (layers.empty()) {
+                return;
+            }
+
+            aiAnimation* const anim = new aiAnimation();
+            animations.push_back(anim);
+
+            // strip AnimationStack:: prefix
+            std::string name = st.Name();
+            if (name.substr(0, 16) == "AnimationStack::") {
+                name = name.substr(16);
+            }
+            else if (name.substr(0, 11) == "AnimStack::") {
+                name = name.substr(11);
+            }
+
+            anim->mName.Set(name);
+
+            // need to find all nodes for which we need to generate node animations -
+            // it may happen that we need to merge multiple layers, though.
+            NodeMap node_map;
+
+            // reverse mapping from curves to layers, much faster than querying
+            // the FBX DOM for it.
+            LayerMap layer_map;
+
+            const char* prop_whitelist[] = {
+                "Lcl Scaling",
+                "Lcl Rotation",
+                "Lcl Translation",
+                "DeformPercent"
+            };
+
+            std::map<std::string, morphAnimData*> morphAnimDatas;
+
+            for (const AnimationLayer* layer : layers) {
+                ai_assert(layer);
+                const AnimationCurveNodeList& nodes = layer->Nodes(prop_whitelist, 4);
+                for (const AnimationCurveNode* node : nodes) {
+                    ai_assert(node);
+                    const Model* const model = dynamic_cast<const Model*>(node->Target());
+                    if (model) {
+                        const std::string& name = FixNodeName(model->Name());
+                        node_map[name].push_back(node);
+                        layer_map[node] = layer;
+                        continue;
+                    }
+                    const BlendShapeChannel* const bsc = dynamic_cast<const BlendShapeChannel*>(node->Target());
+                    if (bsc) {
+                        ProcessMorphAnimDatas(&morphAnimDatas, bsc, node);
+                    }
+                }
+            }
+
+            // generate node animations
+            std::vector<aiNodeAnim*> node_anims;
+
+            double min_time = 1e10;
+            double max_time = -1e10;
+
+            int64_t start_time = st.LocalStart();
+            int64_t stop_time = st.LocalStop();
+            bool has_local_startstop = start_time != 0 || stop_time != 0;
+            if (!has_local_startstop) {
+                // no time range given, so accept every keyframe and use the actual min/max time
+                // the numbers are INT64_MIN/MAX, the 20000 is for safety because GenerateNodeAnimations uses an epsilon of 10000
+                start_time = -9223372036854775807ll + 20000;
+                stop_time = 9223372036854775807ll - 20000;
+            }
+
+            try {
+                for (const NodeMap::value_type& kv : node_map) {
+                    GenerateNodeAnimations(node_anims,
+                        kv.first,
+                        kv.second,
+                        layer_map,
+                        start_time, stop_time,
+                        max_time,
+                        min_time);
+                }
+            }
+            catch (std::exception&) {
+                std::for_each(node_anims.begin(), node_anims.end(), Util::delete_fun<aiNodeAnim>());
+                throw;
+            }
+
+            if (node_anims.size() || morphAnimDatas.size()) {
+                if (node_anims.size()) {
+                    anim->mChannels = new aiNodeAnim*[node_anims.size()]();
+                    anim->mNumChannels = static_cast<unsigned int>(node_anims.size());
+                    std::swap_ranges(node_anims.begin(), node_anims.end(), anim->mChannels);
+                }
+                if (morphAnimDatas.size()) {
+                    unsigned int numMorphMeshChannels = static_cast<unsigned int>(morphAnimDatas.size());
+                    anim->mMorphMeshChannels = new aiMeshMorphAnim*[numMorphMeshChannels];
+                    anim->mNumMorphMeshChannels = numMorphMeshChannels;
+                    unsigned int i = 0;
+                    for (auto morphAnimIt : morphAnimDatas) {
+                        morphAnimData* animData = morphAnimIt.second;
+                        unsigned int numKeys = static_cast<unsigned int>(animData->size());
+                        aiMeshMorphAnim* meshMorphAnim = new aiMeshMorphAnim();
+                        meshMorphAnim->mName.Set(morphAnimIt.first);
+                        meshMorphAnim->mNumKeys = numKeys;
+                        meshMorphAnim->mKeys = new aiMeshMorphKey[numKeys];
+                        unsigned int j = 0;
+                        for (auto animIt : *animData) {
+                            morphKeyData* keyData = animIt.second;
+                            unsigned int numValuesAndWeights = static_cast<unsigned int>(keyData->values.size());
+                            meshMorphAnim->mKeys[j].mNumValuesAndWeights = numValuesAndWeights;
+                            meshMorphAnim->mKeys[j].mValues = new unsigned int[numValuesAndWeights];
+                            meshMorphAnim->mKeys[j].mWeights = new double[numValuesAndWeights];
+                            meshMorphAnim->mKeys[j].mTime = CONVERT_FBX_TIME(animIt.first) * anim_fps;
+                            for (unsigned int k = 0; k < numValuesAndWeights; k++) {
+                                meshMorphAnim->mKeys[j].mValues[k] = keyData->values.at(k);
+                                meshMorphAnim->mKeys[j].mWeights[k] = keyData->weights.at(k);
+                            }
+                            j++;
+                        }
+                        anim->mMorphMeshChannels[i++] = meshMorphAnim;
+                    }
+                }
+            }
+            else {
+                // empty animations would fail validation, so drop them
+                delete anim;
+                animations.pop_back();
+                FBXImporter::LogInfo("ignoring empty AnimationStack (using IK?): " + name);
+                return;
+            }
+
+            double start_time_fps = has_local_startstop ? (CONVERT_FBX_TIME(start_time) * anim_fps) : min_time;
+            double stop_time_fps = has_local_startstop ? (CONVERT_FBX_TIME(stop_time) * anim_fps) : max_time;
+
+            // adjust relative timing for animation
+            for (unsigned int c = 0; c < anim->mNumChannels; c++) {
+                aiNodeAnim* channel = anim->mChannels[c];
+                for (uint32_t i = 0; i < channel->mNumPositionKeys; i++) {
+                    channel->mPositionKeys[i].mTime -= start_time_fps;
+                }
+                for (uint32_t i = 0; i < channel->mNumRotationKeys; i++) {
+                    channel->mRotationKeys[i].mTime -= start_time_fps;
+                }
+                for (uint32_t i = 0; i < channel->mNumScalingKeys; i++) {
+                    channel->mScalingKeys[i].mTime -= start_time_fps;
+                }
+            }
+            for (unsigned int c = 0; c < anim->mNumMorphMeshChannels; c++) {
+                aiMeshMorphAnim* channel = anim->mMorphMeshChannels[c];
+                for (uint32_t i = 0; i < channel->mNumKeys; i++) {
+                    channel->mKeys[i].mTime -= start_time_fps;
+                }
+            }
+
+            // for some mysterious reason, mDuration is simply the maximum key -- the
+            // validator always assumes animations to start at zero.
+            anim->mDuration = stop_time_fps - start_time_fps;
+            anim->mTicksPerSecond = anim_fps;
+        }
+
+        // ------------------------------------------------------------------------------------------------
+        void FBXConverter::ProcessMorphAnimDatas(std::map<std::string, morphAnimData*>* morphAnimDatas, const BlendShapeChannel* bsc, const AnimationCurveNode* node) {
+            std::vector<const Connection*> bscConnections = doc.GetConnectionsBySourceSequenced(bsc->ID(), "Deformer");
+            for (const Connection* bscConnection : bscConnections) {
+                auto bs = dynamic_cast<const BlendShape*>(bscConnection->DestinationObject());
+                if (bs) {
+                    auto channelIt = std::find(bs->BlendShapeChannels().begin(), bs->BlendShapeChannels().end(), bsc);
+                    if (channelIt != bs->BlendShapeChannels().end()) {
+                        auto channelIndex = static_cast<unsigned int>(std::distance(bs->BlendShapeChannels().begin(), channelIt));
+                        std::vector<const Connection*> bsConnections = doc.GetConnectionsBySourceSequenced(bs->ID(), "Geometry");
+                        for (const Connection* bsConnection : bsConnections) {
+                            auto geo = dynamic_cast<const Geometry*>(bsConnection->DestinationObject());
+                            if (geo) {
+                                std::vector<const Connection*> geoConnections = doc.GetConnectionsBySourceSequenced(geo->ID(), "Model");
+                                for (const Connection* geoConnection : geoConnections) {
+                                    auto model = dynamic_cast<const Model*>(geoConnection->DestinationObject());
+                                    if (model) {
+                                        auto geoIt = std::find(model->GetGeometry().begin(), model->GetGeometry().end(), geo);
+                                        auto geoIndex = static_cast<unsigned int>(std::distance(model->GetGeometry().begin(), geoIt));
+                                        auto name = aiString(FixNodeName(model->Name() + "*"));
+                                        name.length = 1 + ASSIMP_itoa10(name.data + name.length, MAXLEN - 1, geoIndex);
+                                        morphAnimData* animData;
+                                        auto animIt = morphAnimDatas->find(name.C_Str());
+                                        if (animIt == morphAnimDatas->end()) {
+                                            animData = new morphAnimData();
+                                            morphAnimDatas->insert(std::make_pair(name.C_Str(), animData));
+                                        }
+                                        else {
+                                            animData = animIt->second;
+                                        }
+                                        for (std::pair<std::string, const AnimationCurve*> curvesIt : node->Curves()) {
+                                            if (curvesIt.first == "d|DeformPercent") {
+                                                const AnimationCurve* animationCurve = curvesIt.second;
+                                                const KeyTimeList& keys = animationCurve->GetKeys();
+                                                const KeyValueList& values = animationCurve->GetValues();
+                                                unsigned int k = 0;
+                                                for (auto key : keys) {
+                                                    morphKeyData* keyData;
+                                                    auto keyIt = animData->find(key);
+                                                    if (keyIt == animData->end()) {
+                                                        keyData = new morphKeyData();
+                                                        animData->insert(std::make_pair(key, keyData));
+                                                    }
+                                                    else {
+                                                        keyData = keyIt->second;
+                                                    }
+                                                    keyData->values.push_back(channelIndex);
+                                                    keyData->weights.push_back(values.at(k) / 100.0f);
+                                                    k++;
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        // ------------------------------------------------------------------------------------------------
+#ifdef ASSIMP_BUILD_DEBUG
+        // ------------------------------------------------------------------------------------------------
+        // sanity check whether the input is ok
+        static void validateAnimCurveNodes(const std::vector<const AnimationCurveNode*>& curves,
+            bool strictMode) {
+            const Object* target(NULL);
+            for (const AnimationCurveNode* node : curves) {
+                if (!target) {
+                    target = node->Target();
+                }
+                if (node->Target() != target) {
+                    FBXImporter::LogWarn("Node target is nullptr type.");
+                }
+                if (strictMode) {
+                    ai_assert(node->Target() == target);
+                }
+            }
+        }
+#endif // ASSIMP_BUILD_DEBUG
+
+        // ------------------------------------------------------------------------------------------------
+        void FBXConverter::GenerateNodeAnimations(std::vector<aiNodeAnim*>& node_anims,
+            const std::string& fixed_name,
+            const std::vector<const AnimationCurveNode*>& curves,
+            const LayerMap& layer_map,
+            int64_t start, int64_t stop,
+            double& max_time,
+            double& min_time)
+        {
+
+            NodeMap node_property_map;
+            ai_assert(curves.size());
+
+#ifdef ASSIMP_BUILD_DEBUG
+            validateAnimCurveNodes(curves, doc.Settings().strictMode);
+#endif
+            const AnimationCurveNode* curve_node = NULL;
+            for (const AnimationCurveNode* node : curves) {
+                ai_assert(node);
+
+                if (node->TargetProperty().empty()) {
+                    FBXImporter::LogWarn("target property for animation curve not set: " + node->Name());
+                    continue;
+                }
+
+                curve_node = node;
+                if (node->Curves().empty()) {
+                    FBXImporter::LogWarn("no animation curves assigned to AnimationCurveNode: " + node->Name());
+                    continue;
+                }
+
+                node_property_map[node->TargetProperty()].push_back(node);
+            }
+
+            ai_assert(curve_node);
+            ai_assert(curve_node->TargetAsModel());
+
+            const Model& target = *curve_node->TargetAsModel();
+
+            // check for all possible transformation components
+            NodeMap::const_iterator chain[TransformationComp_MAXIMUM];
+
+            bool has_any = false;
+            bool has_complex = false;
+
+            for (size_t i = 0; i < TransformationComp_MAXIMUM; ++i) {
+                const TransformationComp comp = static_cast<TransformationComp>(i);
+
+                // inverse pivots don't exist in the input, we just generate them
+                if (comp == TransformationComp_RotationPivotInverse || comp == TransformationComp_ScalingPivotInverse) {
+                    chain[i] = node_property_map.end();
+                    continue;
+                }
+
+                chain[i] = node_property_map.find(NameTransformationCompProperty(comp));
+                if (chain[i] != node_property_map.end()) {
+
+                    // check if this curves contains redundant information by looking
+                    // up the corresponding node's transformation chain.
+                    if (doc.Settings().optimizeEmptyAnimationCurves &&
+                        IsRedundantAnimationData(target, comp, (*chain[i]).second)) {
+
+                        FBXImporter::LogDebug("dropping redundant animation channel for node " + target.Name());
+                        continue;
+                    }
+
+                    has_any = true;
+
+                    if (comp != TransformationComp_Rotation && comp != TransformationComp_Scaling && comp != TransformationComp_Translation)
+                    {
+                        has_complex = true;
+                    }
+                }
+            }
+
+            if (!has_any) {
+                FBXImporter::LogWarn("ignoring node animation, did not find any transformation key frames");
+                return;
+            }
+
+            // this needs to play nicely with GenerateTransformationNodeChain() which will
+            // be invoked _later_ (animations come first). If this node has only rotation,
+            // scaling and translation _and_ there are no animated other components either,
+            // we can use a single node and also a single node animation channel.
+            if (!has_complex && !NeedsComplexTransformationChain(target)) {
+
+                aiNodeAnim* const nd = GenerateSimpleNodeAnim(fixed_name, target, chain,
+                    node_property_map.end(),
+                    layer_map,
+                    start, stop,
+                    max_time,
+                    min_time,
+                    true // input is TRS order, assimp is SRT
+                );
+
+                ai_assert(nd);
+                if (nd->mNumPositionKeys == 0 && nd->mNumRotationKeys == 0 && nd->mNumScalingKeys == 0) {
+                    delete nd;
+                }
+                else {
+                    node_anims.push_back(nd);
+                }
+                return;
+            }
+
+            // otherwise, things get gruesome and we need separate animation channels
+            // for each part of the transformation chain. Remember which channels
+            // we generated and pass this information to the node conversion
+            // code to avoid nodes that have identity transform, but non-identity
+            // animations, being dropped.
+            unsigned int flags = 0, bit = 0x1;
+            for (size_t i = 0; i < TransformationComp_MAXIMUM; ++i, bit <<= 1) {
+                const TransformationComp comp = static_cast<TransformationComp>(i);
+
+                if (chain[i] != node_property_map.end()) {
+                    flags |= bit;
+
+                    ai_assert(comp != TransformationComp_RotationPivotInverse);
+                    ai_assert(comp != TransformationComp_ScalingPivotInverse);
+
+                    const std::string& chain_name = NameTransformationChainNode(fixed_name, comp);
+
+                    aiNodeAnim* na = nullptr;
+                    switch (comp)
+                    {
+                    case TransformationComp_Rotation:
+                    case TransformationComp_PreRotation:
+                    case TransformationComp_PostRotation:
+                    case TransformationComp_GeometricRotation:
+                        na = GenerateRotationNodeAnim(chain_name,
+                            target,
+                            (*chain[i]).second,
+                            layer_map,
+                            start, stop,
+                            max_time,
+                            min_time);
+
+                        break;
+
+                    case TransformationComp_RotationOffset:
+                    case TransformationComp_RotationPivot:
+                    case TransformationComp_ScalingOffset:
+                    case TransformationComp_ScalingPivot:
+                    case TransformationComp_Translation:
+                    case TransformationComp_GeometricTranslation:
+                        na = GenerateTranslationNodeAnim(chain_name,
+                            target,
+                            (*chain[i]).second,
+                            layer_map,
+                            start, stop,
+                            max_time,
+                            min_time);
+
+                        // pivoting requires us to generate an implicit inverse channel to undo the pivot translation
+                        if (comp == TransformationComp_RotationPivot) {
+                            const std::string& invName = NameTransformationChainNode(fixed_name,
+                                TransformationComp_RotationPivotInverse);
+
+                            aiNodeAnim* const inv = GenerateTranslationNodeAnim(invName,
+                                target,
+                                (*chain[i]).second,
+                                layer_map,
+                                start, stop,
+                                max_time,
+                                min_time,
+                                true);
+
+                            ai_assert(inv);
+                            if (inv->mNumPositionKeys == 0 && inv->mNumRotationKeys == 0 && inv->mNumScalingKeys == 0) {
+                                delete inv;
+                            }
+                            else {
+                                node_anims.push_back(inv);
+                            }
+
+                            ai_assert(TransformationComp_RotationPivotInverse > i);
+                            flags |= bit << (TransformationComp_RotationPivotInverse - i);
+                        }
+                        else if (comp == TransformationComp_ScalingPivot) {
+                            const std::string& invName = NameTransformationChainNode(fixed_name,
+                                TransformationComp_ScalingPivotInverse);
+
+                            aiNodeAnim* const inv = GenerateTranslationNodeAnim(invName,
+                                target,
+                                (*chain[i]).second,
+                                layer_map,
+                                start, stop,
+                                max_time,
+                                min_time,
+                                true);
+
+                            ai_assert(inv);
+                            if (inv->mNumPositionKeys == 0 && inv->mNumRotationKeys == 0 && inv->mNumScalingKeys == 0) {
+                                delete inv;
+                            }
+                            else {
+                                node_anims.push_back(inv);
+                            }
+
+                            ai_assert(TransformationComp_RotationPivotInverse > i);
+                            flags |= bit << (TransformationComp_RotationPivotInverse - i);
+                        }
+
+                        break;
+
+                    case TransformationComp_Scaling:
+                    case TransformationComp_GeometricScaling:
+                        na = GenerateScalingNodeAnim(chain_name,
+                            target,
+                            (*chain[i]).second,
+                            layer_map,
+                            start, stop,
+                            max_time,
+                            min_time);
+
+                        break;
+
+                    default:
+                        ai_assert(false);
+                    }
+
+                    ai_assert(na);
+                    if (na->mNumPositionKeys == 0 && na->mNumRotationKeys == 0 && na->mNumScalingKeys == 0) {
+                        delete na;
+                    }
+                    else {
+                        node_anims.push_back(na);
+                    }
+                    continue;
+                }
+            }
+
+            node_anim_chain_bits[fixed_name] = flags;
+        }
+
+
+        bool FBXConverter::IsRedundantAnimationData(const Model& target,
+            TransformationComp comp,
+            const std::vector<const AnimationCurveNode*>& curves) {
+            ai_assert(curves.size());
+
+            // look for animation nodes with
+            //  * sub channels for all relevant components set
+            //  * one key/value pair per component
+            //  * combined values match up the corresponding value in the bind pose node transformation
+            // only such nodes are 'redundant' for this function.
+
+            if (curves.size() > 1) {
+                return false;
+            }
+
+            const AnimationCurveNode& nd = *curves.front();
+            const AnimationCurveMap& sub_curves = nd.Curves();
+
+            const AnimationCurveMap::const_iterator dx = sub_curves.find("d|X");
+            const AnimationCurveMap::const_iterator dy = sub_curves.find("d|Y");
+            const AnimationCurveMap::const_iterator dz = sub_curves.find("d|Z");
+
+            if (dx == sub_curves.end() || dy == sub_curves.end() || dz == sub_curves.end()) {
+                return false;
+            }
+
+            const KeyValueList& vx = (*dx).second->GetValues();
+            const KeyValueList& vy = (*dy).second->GetValues();
+            const KeyValueList& vz = (*dz).second->GetValues();
+
+            if (vx.size() != 1 || vy.size() != 1 || vz.size() != 1) {
+                return false;
+            }
+
+            const aiVector3D dyn_val = aiVector3D(vx[0], vy[0], vz[0]);
+            const aiVector3D& static_val = PropertyGet<aiVector3D>(target.Props(),
+                NameTransformationCompProperty(comp),
+                TransformationCompDefaultValue(comp)
+                );
+
+            const float epsilon = 1e-6f;
+            return (dyn_val - static_val).SquareLength() < epsilon;
+        }
+
+
+        aiNodeAnim* FBXConverter::GenerateRotationNodeAnim(const std::string& name,
+            const Model& target,
+            const std::vector<const AnimationCurveNode*>& curves,
+            const LayerMap& layer_map,
+            int64_t start, int64_t stop,
+            double& max_time,
+            double& min_time)
+        {
+            std::unique_ptr<aiNodeAnim> na(new aiNodeAnim());
+            na->mNodeName.Set(name);
+
+            ConvertRotationKeys(na.get(), curves, layer_map, start, stop, max_time, min_time, target.RotationOrder());
+
+            // dummy scaling key
+            na->mScalingKeys = new aiVectorKey[1];
+            na->mNumScalingKeys = 1;
+
+            na->mScalingKeys[0].mTime = 0.;
+            na->mScalingKeys[0].mValue = aiVector3D(1.0f, 1.0f, 1.0f);
+
+            // dummy position key
+            na->mPositionKeys = new aiVectorKey[1];
+            na->mNumPositionKeys = 1;
+
+            na->mPositionKeys[0].mTime = 0.;
+            na->mPositionKeys[0].mValue = aiVector3D();
+
+            return na.release();
+        }
+
+        aiNodeAnim* FBXConverter::GenerateScalingNodeAnim(const std::string& name,
+            const Model& /*target*/,
+            const std::vector<const AnimationCurveNode*>& curves,
+            const LayerMap& layer_map,
+            int64_t start, int64_t stop,
+            double& max_time,
+            double& min_time)
+        {
+            std::unique_ptr<aiNodeAnim> na(new aiNodeAnim());
+            na->mNodeName.Set(name);
+
+            ConvertScaleKeys(na.get(), curves, layer_map, start, stop, max_time, min_time);
+
+            // dummy rotation key
+            na->mRotationKeys = new aiQuatKey[1];
+            na->mNumRotationKeys = 1;
+
+            na->mRotationKeys[0].mTime = 0.;
+            na->mRotationKeys[0].mValue = aiQuaternion();
+
+            // dummy position key
+            na->mPositionKeys = new aiVectorKey[1];
+            na->mNumPositionKeys = 1;
+
+            na->mPositionKeys[0].mTime = 0.;
+            na->mPositionKeys[0].mValue = aiVector3D();
+
+            return na.release();
+        }
+
+        aiNodeAnim* FBXConverter::GenerateTranslationNodeAnim(const std::string& name,
+            const Model& /*target*/,
+            const std::vector<const AnimationCurveNode*>& curves,
+            const LayerMap& layer_map,
+            int64_t start, int64_t stop,
+            double& max_time,
+            double& min_time,
+            bool inverse) {
+            std::unique_ptr<aiNodeAnim> na(new aiNodeAnim());
+            na->mNodeName.Set(name);
+
+            ConvertTranslationKeys(na.get(), curves, layer_map, start, stop, max_time, min_time);
+
+            if (inverse) {
+                for (unsigned int i = 0; i < na->mNumPositionKeys; ++i) {
+                    na->mPositionKeys[i].mValue *= -1.0f;
+                }
+            }
+
+            // dummy scaling key
+            na->mScalingKeys = new aiVectorKey[1];
+            na->mNumScalingKeys = 1;
+
+            na->mScalingKeys[0].mTime = 0.;
+            na->mScalingKeys[0].mValue = aiVector3D(1.0f, 1.0f, 1.0f);
+
+            // dummy rotation key
+            na->mRotationKeys = new aiQuatKey[1];
+            na->mNumRotationKeys = 1;
+
+            na->mRotationKeys[0].mTime = 0.;
+            na->mRotationKeys[0].mValue = aiQuaternion();
+
+            return na.release();
+        }
+
+        aiNodeAnim* FBXConverter::GenerateSimpleNodeAnim(const std::string& name,
+            const Model& target,
+            NodeMap::const_iterator chain[TransformationComp_MAXIMUM],
+            NodeMap::const_iterator iter_end,
+            const LayerMap& layer_map,
+            int64_t start, int64_t stop,
+            double& max_time,
+            double& min_time,
+            bool reverse_order)
+
+        {
+            std::unique_ptr<aiNodeAnim> na(new aiNodeAnim());
+            na->mNodeName.Set(name);
+
+            const PropertyTable& props = target.Props();
+
+            // need to convert from TRS order to SRT?
+            if (reverse_order) {
+
+                aiVector3D def_scale = PropertyGet(props, "Lcl Scaling", aiVector3D(1.f, 1.f, 1.f));
+                aiVector3D def_translate = PropertyGet(props, "Lcl Translation", aiVector3D(0.f, 0.f, 0.f));
+                aiVector3D def_rot = PropertyGet(props, "Lcl Rotation", aiVector3D(0.f, 0.f, 0.f));
+
+                KeyFrameListList scaling;
+                KeyFrameListList translation;
+                KeyFrameListList rotation;
+
+                if (chain[TransformationComp_Scaling] != iter_end) {
+                    scaling = GetKeyframeList((*chain[TransformationComp_Scaling]).second, start, stop);
+                }
+
+                if (chain[TransformationComp_Translation] != iter_end) {
+                    translation = GetKeyframeList((*chain[TransformationComp_Translation]).second, start, stop);
+                }
+
+                if (chain[TransformationComp_Rotation] != iter_end) {
+                    rotation = GetKeyframeList((*chain[TransformationComp_Rotation]).second, start, stop);
+                }
+
+                KeyFrameListList joined;
+                joined.insert(joined.end(), scaling.begin(), scaling.end());
+                joined.insert(joined.end(), translation.begin(), translation.end());
+                joined.insert(joined.end(), rotation.begin(), rotation.end());
+
+                const KeyTimeList& times = GetKeyTimeList(joined);
+
+                aiQuatKey* out_quat = new aiQuatKey[times.size()];
+                aiVectorKey* out_scale = new aiVectorKey[times.size()];
+                aiVectorKey* out_translation = new aiVectorKey[times.size()];
+
+                if (times.size())
+                {
+                    ConvertTransformOrder_TRStoSRT(out_quat, out_scale, out_translation,
+                        scaling,
+                        translation,
+                        rotation,
+                        times,
+                        max_time,
+                        min_time,
+                        target.RotationOrder(),
+                        def_scale,
+                        def_translate,
+                        def_rot);
+                }
+
+                // XXX remove duplicates / redundant keys which this operation did
+                // likely produce if not all three channels were equally dense.
+
+                na->mNumScalingKeys = static_cast<unsigned int>(times.size());
+                na->mNumRotationKeys = na->mNumScalingKeys;
+                na->mNumPositionKeys = na->mNumScalingKeys;
+
+                na->mScalingKeys = out_scale;
+                na->mRotationKeys = out_quat;
+                na->mPositionKeys = out_translation;
+            }
+            else {
+
+                // if a particular transformation is not given, grab it from
+                // the corresponding node to meet the semantics of aiNodeAnim,
+                // which requires all of rotation, scaling and translation
+                // to be set.
+                if (chain[TransformationComp_Scaling] != iter_end) {
+                    ConvertScaleKeys(na.get(), (*chain[TransformationComp_Scaling]).second,
+                        layer_map,
+                        start, stop,
+                        max_time,
+                        min_time);
+                }
+                else {
+                    na->mScalingKeys = new aiVectorKey[1];
+                    na->mNumScalingKeys = 1;
+
+                    na->mScalingKeys[0].mTime = 0.;
+                    na->mScalingKeys[0].mValue = PropertyGet(props, "Lcl Scaling",
+                        aiVector3D(1.f, 1.f, 1.f));
+                }
+
+                if (chain[TransformationComp_Rotation] != iter_end) {
+                    ConvertRotationKeys(na.get(), (*chain[TransformationComp_Rotation]).second,
+                        layer_map,
+                        start, stop,
+                        max_time,
+                        min_time,
+                        target.RotationOrder());
+                }
+                else {
+                    na->mRotationKeys = new aiQuatKey[1];
+                    na->mNumRotationKeys = 1;
+
+                    na->mRotationKeys[0].mTime = 0.;
+                    na->mRotationKeys[0].mValue = EulerToQuaternion(
+                        PropertyGet(props, "Lcl Rotation", aiVector3D(0.f, 0.f, 0.f)),
+                        target.RotationOrder());
+                }
+
+                if (chain[TransformationComp_Translation] != iter_end) {
+                    ConvertTranslationKeys(na.get(), (*chain[TransformationComp_Translation]).second,
+                        layer_map,
+                        start, stop,
+                        max_time,
+                        min_time);
+                }
+                else {
+                    na->mPositionKeys = new aiVectorKey[1];
+                    na->mNumPositionKeys = 1;
+
+                    na->mPositionKeys[0].mTime = 0.;
+                    na->mPositionKeys[0].mValue = PropertyGet(props, "Lcl Translation",
+                        aiVector3D(0.f, 0.f, 0.f));
+                }
+
+            }
+            return na.release();
+        }
+
+        FBXConverter::KeyFrameListList FBXConverter::GetKeyframeList(const std::vector<const AnimationCurveNode*>& nodes, int64_t start, int64_t stop)
+        {
+            KeyFrameListList inputs;
+            inputs.reserve(nodes.size() * 3);
+
+            //give some breathing room for rounding errors
+            int64_t adj_start = start - 10000;
+            int64_t adj_stop = stop + 10000;
+
+            for (const AnimationCurveNode* node : nodes) {
+                ai_assert(node);
+
+                const AnimationCurveMap& curves = node->Curves();
+                for (const AnimationCurveMap::value_type& kv : curves) {
+
+                    unsigned int mapto;
+                    if (kv.first == "d|X") {
+                        mapto = 0;
+                    }
+                    else if (kv.first == "d|Y") {
+                        mapto = 1;
+                    }
+                    else if (kv.first == "d|Z") {
+                        mapto = 2;
+                    }
+                    else {
+                        FBXImporter::LogWarn("ignoring scale animation curve, did not recognize target component");
+                        continue;
+                    }
+
+                    const AnimationCurve* const curve = kv.second;
+                    ai_assert(curve->GetKeys().size() == curve->GetValues().size() && curve->GetKeys().size());
+
+                    //get values within the start/stop time window
+                    std::shared_ptr<KeyTimeList> Keys(new KeyTimeList());
+                    std::shared_ptr<KeyValueList> Values(new KeyValueList());
+                    const size_t count = curve->GetKeys().size();
+                    Keys->reserve(count);
+                    Values->reserve(count);
+                    for (size_t n = 0; n < count; n++)
+                    {
+                        int64_t k = curve->GetKeys().at(n);
+                        if (k >= adj_start && k <= adj_stop)
+                        {
+                            Keys->push_back(k);
+                            Values->push_back(curve->GetValues().at(n));
+                        }
+                    }
+
+                    inputs.push_back(std::make_tuple(Keys, Values, mapto));
+                }
+            }
+            return inputs; // pray for NRVO :-)
+        }
+
+
+        KeyTimeList FBXConverter::GetKeyTimeList(const KeyFrameListList& inputs) {
+            ai_assert(!inputs.empty());
+
+            // reserve some space upfront - it is likely that the key-frame lists
+            // have matching time values, so max(of all key-frame lists) should
+            // be a good estimate.
+            KeyTimeList keys;
+
+            size_t estimate = 0;
+            for (const KeyFrameList& kfl : inputs) {
+                estimate = std::max(estimate, std::get<0>(kfl)->size());
+            }
+
+            keys.reserve(estimate);
+
+            std::vector<unsigned int> next_pos;
+            next_pos.resize(inputs.size(), 0);
+
+            const size_t count = inputs.size();
+            while (true) {
+
+                int64_t min_tick = std::numeric_limits<int64_t>::max();
+                for (size_t i = 0; i < count; ++i) {
+                    const KeyFrameList& kfl = inputs[i];
+
+                    if (std::get<0>(kfl)->size() > next_pos[i] && std::get<0>(kfl)->at(next_pos[i]) < min_tick) {
+                        min_tick = std::get<0>(kfl)->at(next_pos[i]);
+                    }
+                }
+
+                if (min_tick == std::numeric_limits<int64_t>::max()) {
+                    break;
+                }
+                keys.push_back(min_tick);
+
+                for (size_t i = 0; i < count; ++i) {
+                    const KeyFrameList& kfl = inputs[i];
+
+
+                    while (std::get<0>(kfl)->size() > next_pos[i] && std::get<0>(kfl)->at(next_pos[i]) == min_tick) {
+                        ++next_pos[i];
+                    }
+                }
+            }
+
+            return keys;
+        }
+
+        void FBXConverter::InterpolateKeys(aiVectorKey* valOut, const KeyTimeList& keys, const KeyFrameListList& inputs,
+            const aiVector3D& def_value,
+            double& max_time,
+            double& min_time) {
+            ai_assert(!keys.empty());
+            ai_assert(nullptr != valOut);
+
+            std::vector<unsigned int> next_pos;
+            const size_t count(inputs.size());
+
+            next_pos.resize(inputs.size(), 0);
+
+            for (KeyTimeList::value_type time : keys) {
+                ai_real result[3] = { def_value.x, def_value.y, def_value.z };
+
+                for (size_t i = 0; i < count; ++i) {
+                    const KeyFrameList& kfl = inputs[i];
+
+                    const size_t ksize = std::get<0>(kfl)->size();
+                    if (ksize == 0) {
+                        continue;
+                    }
+                    if (ksize > next_pos[i] && std::get<0>(kfl)->at(next_pos[i]) == time) {
+                        ++next_pos[i];
+                    }
+
+                    const size_t id0 = next_pos[i] > 0 ? next_pos[i] - 1 : 0;
+                    const size_t id1 = next_pos[i] == ksize ? ksize - 1 : next_pos[i];
+
+                    // use lerp for interpolation
+                    const KeyValueList::value_type valueA = std::get<1>(kfl)->at(id0);
+                    const KeyValueList::value_type valueB = std::get<1>(kfl)->at(id1);
+
+                    const KeyTimeList::value_type timeA = std::get<0>(kfl)->at(id0);
+                    const KeyTimeList::value_type timeB = std::get<0>(kfl)->at(id1);
+
+                    const ai_real factor = timeB == timeA ? ai_real(0.) : static_cast<ai_real>((time - timeA)) / (timeB - timeA);
+                    const ai_real interpValue = static_cast<ai_real>(valueA + (valueB - valueA) * factor);
+
+                    result[std::get<2>(kfl)] = interpValue;
+                }
+
+                // magic value to convert fbx times to seconds
+                valOut->mTime = CONVERT_FBX_TIME(time) * anim_fps;
+
+                min_time = std::min(min_time, valOut->mTime);
+                max_time = std::max(max_time, valOut->mTime);
+
+                valOut->mValue.x = result[0];
+                valOut->mValue.y = result[1];
+                valOut->mValue.z = result[2];
+
+                ++valOut;
+            }
+        }
+
+        void FBXConverter::InterpolateKeys(aiQuatKey* valOut, const KeyTimeList& keys, const KeyFrameListList& inputs,
+            const aiVector3D& def_value,
+            double& maxTime,
+            double& minTime,
+            Model::RotOrder order)
+        {
+            ai_assert(!keys.empty());
+            ai_assert(nullptr != valOut);
+
+            std::unique_ptr<aiVectorKey[]> temp(new aiVectorKey[keys.size()]);
+            InterpolateKeys(temp.get(), keys, inputs, def_value, maxTime, minTime);
+
+            aiMatrix4x4 m;
+
+            aiQuaternion lastq;
+
+            for (size_t i = 0, c = keys.size(); i < c; ++i) {
+
+                valOut[i].mTime = temp[i].mTime;
+
+                GetRotationMatrix(order, temp[i].mValue, m);
+                aiQuaternion quat = aiQuaternion(aiMatrix3x3(m));
+
+                // take shortest path by checking the inner product
+                // http://www.3dkingdoms.com/weekly/weekly.php?a=36
+                if (quat.x * lastq.x + quat.y * lastq.y + quat.z * lastq.z + quat.w * lastq.w < 0)
+                {
+                    quat.x = -quat.x;
+                    quat.y = -quat.y;
+                    quat.z = -quat.z;
+                    quat.w = -quat.w;
+                }
+                lastq = quat;
+
+                valOut[i].mValue = quat;
+            }
+        }
+
+        void FBXConverter::ConvertTransformOrder_TRStoSRT(aiQuatKey* out_quat, aiVectorKey* out_scale,
+            aiVectorKey* out_translation,
+            const KeyFrameListList& scaling,
+            const KeyFrameListList& translation,
+            const KeyFrameListList& rotation,
+            const KeyTimeList& times,
+            double& maxTime,
+            double& minTime,
+            Model::RotOrder order,
+            const aiVector3D& def_scale,
+            const aiVector3D& def_translate,
+            const aiVector3D& def_rotation)
+        {
+            if (rotation.size()) {
+                InterpolateKeys(out_quat, times, rotation, def_rotation, maxTime, minTime, order);
+            }
+            else {
+                for (size_t i = 0; i < times.size(); ++i) {
+                    out_quat[i].mTime = CONVERT_FBX_TIME(times[i]) * anim_fps;
+                    out_quat[i].mValue = EulerToQuaternion(def_rotation, order);
+                }
+            }
+
+            if (scaling.size()) {
+                InterpolateKeys(out_scale, times, scaling, def_scale, maxTime, minTime);
+            }
+            else {
+                for (size_t i = 0; i < times.size(); ++i) {
+                    out_scale[i].mTime = CONVERT_FBX_TIME(times[i]) * anim_fps;
+                    out_scale[i].mValue = def_scale;
+                }
+            }
+
+            if (translation.size()) {
+                InterpolateKeys(out_translation, times, translation, def_translate, maxTime, minTime);
+            }
+            else {
+                for (size_t i = 0; i < times.size(); ++i) {
+                    out_translation[i].mTime = CONVERT_FBX_TIME(times[i]) * anim_fps;
+                    out_translation[i].mValue = def_translate;
+                }
+            }
+
+            const size_t count = times.size();
+            for (size_t i = 0; i < count; ++i) {
+                aiQuaternion& r = out_quat[i].mValue;
+                aiVector3D& s = out_scale[i].mValue;
+                aiVector3D& t = out_translation[i].mValue;
+
+                aiMatrix4x4 mat, temp;
+                aiMatrix4x4::Translation(t, mat);
+                mat *= aiMatrix4x4(r.GetMatrix());
+                mat *= aiMatrix4x4::Scaling(s, temp);
+
+                mat.Decompose(s, r, t);
+            }
+        }
+
+        aiQuaternion FBXConverter::EulerToQuaternion(const aiVector3D& rot, Model::RotOrder order)
+        {
+            aiMatrix4x4 m;
+            GetRotationMatrix(order, rot, m);
+
+            return aiQuaternion(aiMatrix3x3(m));
+        }
+
+        void FBXConverter::ConvertScaleKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes, const LayerMap& /*layers*/,
+            int64_t start, int64_t stop,
+            double& maxTime,
+            double& minTime)
+        {
+            ai_assert(nodes.size());
+
+            // XXX for now, assume scale should be blended geometrically (i.e. two
+            // layers should be multiplied with each other). There is a FBX
+            // property in the layer to specify the behaviour, though.
+
+            const KeyFrameListList& inputs = GetKeyframeList(nodes, start, stop);
+            const KeyTimeList& keys = GetKeyTimeList(inputs);
+
+            na->mNumScalingKeys = static_cast<unsigned int>(keys.size());
+            na->mScalingKeys = new aiVectorKey[keys.size()];
+            if (keys.size() > 0)
+                InterpolateKeys(na->mScalingKeys, keys, inputs, aiVector3D(1.0f, 1.0f, 1.0f), maxTime, minTime);
+        }
+
+        void FBXConverter::ConvertTranslationKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes,
+            const LayerMap& /*layers*/,
+            int64_t start, int64_t stop,
+            double& maxTime,
+            double& minTime)
+        {
+            ai_assert(nodes.size());
+
+            // XXX see notes in ConvertScaleKeys()
+            const KeyFrameListList& inputs = GetKeyframeList(nodes, start, stop);
+            const KeyTimeList& keys = GetKeyTimeList(inputs);
+
+            na->mNumPositionKeys = static_cast<unsigned int>(keys.size());
+            na->mPositionKeys = new aiVectorKey[keys.size()];
+            if (keys.size() > 0)
+                InterpolateKeys(na->mPositionKeys, keys, inputs, aiVector3D(0.0f, 0.0f, 0.0f), maxTime, minTime);
+        }
+
+        void FBXConverter::ConvertRotationKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes,
+            const LayerMap& /*layers*/,
+            int64_t start, int64_t stop,
+            double& maxTime,
+            double& minTime,
+            Model::RotOrder order)
+        {
+            ai_assert(nodes.size());
+
+            // XXX see notes in ConvertScaleKeys()
+            const std::vector< KeyFrameList >& inputs = GetKeyframeList(nodes, start, stop);
+            const KeyTimeList& keys = GetKeyTimeList(inputs);
+
+            na->mNumRotationKeys = static_cast<unsigned int>(keys.size());
+            na->mRotationKeys = new aiQuatKey[keys.size()];
+            if (!keys.empty()) {
+                InterpolateKeys(na->mRotationKeys, keys, inputs, aiVector3D(0.0f, 0.0f, 0.0f), maxTime, minTime, order);
+            }
+        }
+
+        void FBXConverter::ConvertGlobalSettings() {
+            if (nullptr == out) {
+                return;
+            }
+
+            out->mMetaData = aiMetadata::Alloc(15);
+            out->mMetaData->Set(0, "UpAxis", doc.GlobalSettings().UpAxis());
+            out->mMetaData->Set(1, "UpAxisSign", doc.GlobalSettings().UpAxisSign());
+            out->mMetaData->Set(2, "FrontAxis", doc.GlobalSettings().FrontAxis());
+            out->mMetaData->Set(3, "FrontAxisSign", doc.GlobalSettings().FrontAxisSign());
+            out->mMetaData->Set(4, "CoordAxis", doc.GlobalSettings().CoordAxis());
+            out->mMetaData->Set(5, "CoordAxisSign", doc.GlobalSettings().CoordAxisSign());
+            out->mMetaData->Set(6, "OriginalUpAxis", doc.GlobalSettings().OriginalUpAxis());
+            out->mMetaData->Set(7, "OriginalUpAxisSign", doc.GlobalSettings().OriginalUpAxisSign());
+            out->mMetaData->Set(8, "UnitScaleFactor", (double)doc.GlobalSettings().UnitScaleFactor());
+            out->mMetaData->Set(9, "OriginalUnitScaleFactor", doc.GlobalSettings().OriginalUnitScaleFactor());
+            out->mMetaData->Set(10, "AmbientColor", doc.GlobalSettings().AmbientColor());
+            out->mMetaData->Set(11, "FrameRate", (int)doc.GlobalSettings().TimeMode());
+            out->mMetaData->Set(12, "TimeSpanStart", doc.GlobalSettings().TimeSpanStart());
+            out->mMetaData->Set(13, "TimeSpanStop", doc.GlobalSettings().TimeSpanStop());
+            out->mMetaData->Set(14, "CustomFrameRate", doc.GlobalSettings().CustomFrameRate());
+        }
+
+        void FBXConverter::TransferDataToScene()
+        {
+            ai_assert(!out->mMeshes);
+            ai_assert(!out->mNumMeshes);
+
+            // note: the trailing () ensures initialization with NULL - not
+            // many C++ users seem to know this, so pointing it out to avoid
+            // confusion why this code works.
+
+            if (meshes.size()) {
+                out->mMeshes = new aiMesh*[meshes.size()]();
+                out->mNumMeshes = static_cast<unsigned int>(meshes.size());
+
+                std::swap_ranges(meshes.begin(), meshes.end(), out->mMeshes);
+            }
+
+            if (materials.size()) {
+                out->mMaterials = new aiMaterial*[materials.size()]();
+                out->mNumMaterials = static_cast<unsigned int>(materials.size());
+
+                std::swap_ranges(materials.begin(), materials.end(), out->mMaterials);
+            }
+
+            if (animations.size()) {
+                out->mAnimations = new aiAnimation*[animations.size()]();
+                out->mNumAnimations = static_cast<unsigned int>(animations.size());
+
+                std::swap_ranges(animations.begin(), animations.end(), out->mAnimations);
+            }
+
+            if (lights.size()) {
+                out->mLights = new aiLight*[lights.size()]();
+                out->mNumLights = static_cast<unsigned int>(lights.size());
+
+                std::swap_ranges(lights.begin(), lights.end(), out->mLights);
+            }
+
+            if (cameras.size()) {
+                out->mCameras = new aiCamera*[cameras.size()]();
+                out->mNumCameras = static_cast<unsigned int>(cameras.size());
+
+                std::swap_ranges(cameras.begin(), cameras.end(), out->mCameras);
+            }
+
+            if (textures.size()) {
+                out->mTextures = new aiTexture*[textures.size()]();
+                out->mNumTextures = static_cast<unsigned int>(textures.size());
+
+                std::swap_ranges(textures.begin(), textures.end(), out->mTextures);
+            }
+        }
+
+        // ------------------------------------------------------------------------------------------------
+        void ConvertToAssimpScene(aiScene* out, const Document& doc)
+        {
+            FBXConverter converter(out, doc);
+        }
+
+    } // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXConverter.h b/thirdparty/assimp/code/FBXConverter.h
new file mode 100644
index 0000000000..398baa445f
--- /dev/null
+++ b/thirdparty/assimp/code/FBXConverter.h
@@ -0,0 +1,457 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXDConverter.h
+ *  @brief FBX DOM to aiScene conversion
+ */
+#ifndef INCLUDED_AI_FBX_CONVERTER_H
+#define INCLUDED_AI_FBX_CONVERTER_H
+
+#include "FBXParser.h"
+#include "FBXMeshGeometry.h"
+#include "FBXDocument.h"
+#include "FBXUtil.h"
+#include "FBXProperties.h"
+#include "FBXImporter.h"
+#include <assimp/anim.h>
+#include <assimp/material.h>
+#include <assimp/light.h>
+#include <assimp/texture.h>
+#include <assimp/camera.h>
+#include <assimp/StringComparison.h>
+
+struct aiScene;
+struct aiNode;
+struct aiMaterial;
+
+struct morphKeyData {
+    std::vector<unsigned int> values;
+    std::vector<float> weights;
+};
+typedef std::map<int64_t, morphKeyData*> morphAnimData;
+
+namespace Assimp {
+namespace FBX {
+
+class Document;
+
+using NodeNameCache = std::set<std::string>;
+
+/** 
+ *  Convert a FBX #Document to #aiScene
+ *  @param out Empty scene to be populated
+ *  @param doc Parsed FBX document 
+ */
+void ConvertToAssimpScene(aiScene* out, const Document& doc);
+
+/** Dummy class to encapsulate the conversion process */
+class FBXConverter {
+public:
+    /**
+    *  The different parts that make up the final local transformation of a fbx-node
+    */
+    enum TransformationComp {
+        TransformationComp_GeometricScalingInverse = 0,
+        TransformationComp_GeometricRotationInverse,
+        TransformationComp_GeometricTranslationInverse,
+        TransformationComp_Translation,
+        TransformationComp_RotationOffset,
+        TransformationComp_RotationPivot,
+        TransformationComp_PreRotation,
+        TransformationComp_Rotation,
+        TransformationComp_PostRotation,
+        TransformationComp_RotationPivotInverse,
+        TransformationComp_ScalingOffset,
+        TransformationComp_ScalingPivot,
+        TransformationComp_Scaling,
+        TransformationComp_ScalingPivotInverse,
+        TransformationComp_GeometricTranslation,
+        TransformationComp_GeometricRotation,
+        TransformationComp_GeometricScaling,
+
+        TransformationComp_MAXIMUM
+    };
+
+public:
+    FBXConverter(aiScene* out, const Document& doc);
+    ~FBXConverter();
+
+private:
+    // ------------------------------------------------------------------------------------------------
+    // find scene root and trigger recursive scene conversion
+    void ConvertRootNode();
+
+    // ------------------------------------------------------------------------------------------------
+    // collect and assign child nodes
+    void ConvertNodes(uint64_t id, aiNode& parent, const aiMatrix4x4& parent_transform = aiMatrix4x4());
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertLights(const Model& model, const std::string &orig_name );
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertCameras(const Model& model, const std::string &orig_name );
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertLight( const Light& light, const std::string &orig_name );
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertCamera( const Camera& cam, const std::string &orig_name );
+
+    // ------------------------------------------------------------------------------------------------
+    void GetUniqueName( const std::string &name, std::string& uniqueName );
+
+    // ------------------------------------------------------------------------------------------------
+    // this returns unified names usable within assimp identifiers (i.e. no space characters -
+    // while these would be allowed, they are a potential trouble spot so better not use them).
+    const char* NameTransformationComp(TransformationComp comp);
+
+    // ------------------------------------------------------------------------------------------------
+    // note: this returns the REAL fbx property names
+    const char* NameTransformationCompProperty(TransformationComp comp);
+
+    // ------------------------------------------------------------------------------------------------
+    aiVector3D TransformationCompDefaultValue(TransformationComp comp);
+
+    // ------------------------------------------------------------------------------------------------
+    void GetRotationMatrix(Model::RotOrder mode, const aiVector3D& rotation, aiMatrix4x4& out);
+    // ------------------------------------------------------------------------------------------------
+    /**
+    *  checks if a node has more than just scaling, rotation and translation components
+    */
+    bool NeedsComplexTransformationChain(const Model& model);
+
+    // ------------------------------------------------------------------------------------------------
+    // note: name must be a FixNodeName() result
+    std::string NameTransformationChainNode(const std::string& name, TransformationComp comp);
+
+    // ------------------------------------------------------------------------------------------------
+    /**
+    *  note: memory for output_nodes will be managed by the caller
+    */
+    void GenerateTransformationNodeChain(const Model& model, std::vector<aiNode*>& output_nodes, std::vector<aiNode*>& post_output_nodes);
+
+    // ------------------------------------------------------------------------------------------------
+    void SetupNodeMetadata(const Model& model, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertModel(const Model& model, aiNode& nd, const aiMatrix4x4& node_global_transform);
+    
+    // ------------------------------------------------------------------------------------------------
+    // MeshGeometry -> aiMesh, return mesh index + 1 or 0 if the conversion failed
+    std::vector<unsigned int> ConvertMesh(const MeshGeometry& mesh, const Model& model,
+        const aiMatrix4x4& node_global_transform, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    std::vector<unsigned int> ConvertLine(const LineGeometry& line, const Model& model,
+        const aiMatrix4x4& node_global_transform, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    aiMesh* SetupEmptyMesh(const Geometry& mesh, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    unsigned int ConvertMeshSingleMaterial(const MeshGeometry& mesh, const Model& model,
+        const aiMatrix4x4& node_global_transform, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    std::vector<unsigned int> ConvertMeshMultiMaterial(const MeshGeometry& mesh, const Model& model,
+        const aiMatrix4x4& node_global_transform, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    unsigned int ConvertMeshMultiMaterial(const MeshGeometry& mesh, const Model& model,
+        MatIndexArray::value_type index,
+        const aiMatrix4x4& node_global_transform, aiNode& nd);
+
+    // ------------------------------------------------------------------------------------------------
+    static const unsigned int NO_MATERIAL_SEPARATION = /* std::numeric_limits<unsigned int>::max() */
+        static_cast<unsigned int>(-1);
+
+    // ------------------------------------------------------------------------------------------------
+    /**
+    *  - if materialIndex == NO_MATERIAL_SEPARATION, materials are not taken into
+    *    account when determining which weights to include.
+    *  - outputVertStartIndices is only used when a material index is specified, it gives for
+    *    each output vertex the DOM index it maps to.
+    */
+    void ConvertWeights(aiMesh* out, const Model& model, const MeshGeometry& geo,
+        const aiMatrix4x4& node_global_transform = aiMatrix4x4(),
+        unsigned int materialIndex = NO_MATERIAL_SEPARATION,
+        std::vector<unsigned int>* outputVertStartIndices = NULL);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertCluster(std::vector<aiBone*>& bones, const Model& /*model*/, const Cluster& cl,
+        std::vector<size_t>& out_indices,
+        std::vector<size_t>& index_out_indices,
+        std::vector<size_t>& count_out_indices,
+        const aiMatrix4x4& node_global_transform);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertMaterialForMesh(aiMesh* out, const Model& model, const MeshGeometry& geo,
+        MatIndexArray::value_type materialIndex);
+
+    // ------------------------------------------------------------------------------------------------
+    unsigned int GetDefaultMaterial();
+
+    // ------------------------------------------------------------------------------------------------
+    // Material -> aiMaterial
+    unsigned int ConvertMaterial(const Material& material, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    // Video -> aiTexture
+    unsigned int ConvertVideo(const Video& video);
+
+    // ------------------------------------------------------------------------------------------------
+    // convert embedded texture if necessary and return actual texture path
+    aiString GetTexturePath(const Texture* tex);
+
+    // ------------------------------------------------------------------------------------------------
+    void TrySetTextureProperties(aiMaterial* out_mat, const TextureMap& textures,
+        const std::string& propName,
+        aiTextureType target, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    void TrySetTextureProperties(aiMaterial* out_mat, const LayeredTextureMap& layeredTextures,
+        const std::string& propName,
+        aiTextureType target, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    void SetTextureProperties(aiMaterial* out_mat, const TextureMap& textures, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    void SetTextureProperties(aiMaterial* out_mat, const LayeredTextureMap& layeredTextures, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    aiColor3D GetColorPropertyFromMaterial(const PropertyTable& props, const std::string& baseName,
+        bool& result);
+    aiColor3D GetColorPropertyFactored(const PropertyTable& props, const std::string& colorName,
+        const std::string& factorName, bool& result, bool useTemplate = true);
+    aiColor3D GetColorProperty(const PropertyTable& props, const std::string& colorName,
+        bool& result, bool useTemplate = true);
+
+    // ------------------------------------------------------------------------------------------------
+    void SetShadingPropertiesCommon(aiMaterial* out_mat, const PropertyTable& props);
+    void SetShadingPropertiesRaw(aiMaterial* out_mat, const PropertyTable& props, const TextureMap& textures, const MeshGeometry* const mesh);
+
+    // ------------------------------------------------------------------------------------------------
+    // get the number of fps for a FrameRate enumerated value
+    static double FrameRateToDouble(FileGlobalSettings::FrameRate fp, double customFPSVal = -1.0);
+
+    // ------------------------------------------------------------------------------------------------
+    // convert animation data to aiAnimation et al
+    void ConvertAnimations();
+
+    // ------------------------------------------------------------------------------------------------
+    // takes a fbx node name and returns the identifier to be used in the assimp output scene.
+    // the function is guaranteed to provide consistent results over multiple invocations
+    // UNLESS RenameNode() is called for a particular node name.
+    std::string FixNodeName(const std::string& name);
+    std::string FixAnimMeshName(const std::string& name);
+
+    typedef std::map<const AnimationCurveNode*, const AnimationLayer*> LayerMap;
+
+    // XXX: better use multi_map ..
+    typedef std::map<std::string, std::vector<const AnimationCurveNode*> > NodeMap;
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertAnimationStack(const AnimationStack& st);
+
+    // ------------------------------------------------------------------------------------------------
+    void ProcessMorphAnimDatas(std::map<std::string, morphAnimData*>* morphAnimDatas, const BlendShapeChannel* bsc, const AnimationCurveNode* node);
+
+    // ------------------------------------------------------------------------------------------------
+    void GenerateNodeAnimations(std::vector<aiNodeAnim*>& node_anims,
+        const std::string& fixed_name,
+        const std::vector<const AnimationCurveNode*>& curves,
+        const LayerMap& layer_map,
+        int64_t start, int64_t stop,
+        double& max_time,
+        double& min_time);
+
+    // ------------------------------------------------------------------------------------------------
+    bool IsRedundantAnimationData(const Model& target,
+        TransformationComp comp,
+        const std::vector<const AnimationCurveNode*>& curves);
+
+    // ------------------------------------------------------------------------------------------------
+    aiNodeAnim* GenerateRotationNodeAnim(const std::string& name,
+        const Model& target,
+        const std::vector<const AnimationCurveNode*>& curves,
+        const LayerMap& layer_map,
+        int64_t start, int64_t stop,
+        double& max_time,
+        double& min_time);
+
+    // ------------------------------------------------------------------------------------------------
+    aiNodeAnim* GenerateScalingNodeAnim(const std::string& name,
+        const Model& /*target*/,
+        const std::vector<const AnimationCurveNode*>& curves,
+        const LayerMap& layer_map,
+        int64_t start, int64_t stop,
+        double& max_time,
+        double& min_time);
+
+    // ------------------------------------------------------------------------------------------------
+    aiNodeAnim* GenerateTranslationNodeAnim(const std::string& name,
+        const Model& /*target*/,
+        const std::vector<const AnimationCurveNode*>& curves,
+        const LayerMap& layer_map,
+        int64_t start, int64_t stop,
+        double& max_time,
+        double& min_time,
+        bool inverse = false);
+
+    // ------------------------------------------------------------------------------------------------
+    // generate node anim, extracting only Rotation, Scaling and Translation from the given chain
+    aiNodeAnim* GenerateSimpleNodeAnim(const std::string& name,
+        const Model& target,
+        NodeMap::const_iterator chain[TransformationComp_MAXIMUM],
+        NodeMap::const_iterator iter_end,
+        const LayerMap& layer_map,
+        int64_t start, int64_t stop,
+        double& max_time,
+        double& min_time,
+        bool reverse_order = false);
+
+    // key (time), value, mapto (component index)
+    typedef std::tuple<std::shared_ptr<KeyTimeList>, std::shared_ptr<KeyValueList>, unsigned int > KeyFrameList;
+    typedef std::vector<KeyFrameList> KeyFrameListList;
+
+    // ------------------------------------------------------------------------------------------------
+    KeyFrameListList GetKeyframeList(const std::vector<const AnimationCurveNode*>& nodes, int64_t start, int64_t stop);
+
+    // ------------------------------------------------------------------------------------------------
+    KeyTimeList GetKeyTimeList(const KeyFrameListList& inputs);
+
+    // ------------------------------------------------------------------------------------------------
+    void InterpolateKeys(aiVectorKey* valOut, const KeyTimeList& keys, const KeyFrameListList& inputs,
+        const aiVector3D& def_value,
+        double& max_time,
+        double& min_time);
+
+    // ------------------------------------------------------------------------------------------------
+    void InterpolateKeys(aiQuatKey* valOut, const KeyTimeList& keys, const KeyFrameListList& inputs,
+        const aiVector3D& def_value,
+        double& maxTime,
+        double& minTime,
+        Model::RotOrder order);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertTransformOrder_TRStoSRT(aiQuatKey* out_quat, aiVectorKey* out_scale,
+        aiVectorKey* out_translation,
+        const KeyFrameListList& scaling,
+        const KeyFrameListList& translation,
+        const KeyFrameListList& rotation,
+        const KeyTimeList& times,
+        double& maxTime,
+        double& minTime,
+        Model::RotOrder order,
+        const aiVector3D& def_scale,
+        const aiVector3D& def_translate,
+        const aiVector3D& def_rotation);
+
+    // ------------------------------------------------------------------------------------------------
+    // euler xyz -> quat
+    aiQuaternion EulerToQuaternion(const aiVector3D& rot, Model::RotOrder order);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertScaleKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes, const LayerMap& /*layers*/,
+        int64_t start, int64_t stop,
+        double& maxTime,
+        double& minTime);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertTranslationKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes,
+        const LayerMap& /*layers*/,
+        int64_t start, int64_t stop,
+        double& maxTime,
+        double& minTime);
+
+    // ------------------------------------------------------------------------------------------------
+    void ConvertRotationKeys(aiNodeAnim* na, const std::vector<const AnimationCurveNode*>& nodes,
+        const LayerMap& /*layers*/,
+        int64_t start, int64_t stop,
+        double& maxTime,
+        double& minTime,
+        Model::RotOrder order);
+
+    void ConvertGlobalSettings();
+
+    // ------------------------------------------------------------------------------------------------
+    // copy generated meshes, animations, lights, cameras and textures to the output scene
+    void TransferDataToScene();
+
+private:
+
+    // 0: not assigned yet, others: index is value - 1
+    unsigned int defaultMaterialIndex;
+
+    std::vector<aiMesh*> meshes;
+    std::vector<aiMaterial*> materials;
+    std::vector<aiAnimation*> animations;
+    std::vector<aiLight*> lights;
+    std::vector<aiCamera*> cameras;
+    std::vector<aiTexture*> textures;
+    
+
+    typedef std::map<const Material*, unsigned int> MaterialMap;
+    MaterialMap materials_converted;
+
+    typedef std::map<const Video*, unsigned int> VideoMap;
+    VideoMap textures_converted;
+
+    typedef std::map<const Geometry*, std::vector<unsigned int> > MeshMap;
+    MeshMap meshes_converted;
+
+    // fixed node name -> which trafo chain components have animations?
+    typedef std::map<std::string, unsigned int> NodeAnimBitMap;
+    NodeAnimBitMap node_anim_chain_bits;
+
+    NodeNameCache mNodeNames;
+    double anim_fps;
+
+    aiScene* const out;
+    const FBX::Document& doc;
+};
+
+}
+}
+
+#endif // INCLUDED_AI_FBX_CONVERTER_H
diff --git a/thirdparty/assimp/code/FBXDeformer.cpp b/thirdparty/assimp/code/FBXDeformer.cpp
new file mode 100644
index 0000000000..6927553450
--- /dev/null
+++ b/thirdparty/assimp/code/FBXDeformer.cpp
@@ -0,0 +1,213 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXNoteAttribute.cpp
+ *  @brief Assimp::FBX::NodeAttribute (and subclasses) implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXMeshGeometry.h"
+#include "FBXImporter.h"
+#include "FBXDocumentUtil.h"
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Deformer::Deformer(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+    : Object(id,element,name)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const std::string& classname = ParseTokenAsString(GetRequiredToken(element,2));
+    props = GetPropertyTable(doc,"Deformer.Fbx" + classname,element,sc,true);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Deformer::~Deformer()
+{
+
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Cluster::Cluster(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Deformer(id,element,doc,name)
+, node()
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const Indexes = sc["Indexes"];
+    const Element* const Weights = sc["Weights"];
+
+    const Element& Transform = GetRequiredElement(sc,"Transform",&element);
+    const Element& TransformLink = GetRequiredElement(sc,"TransformLink",&element);
+
+    transform = ReadMatrix(Transform);
+    transformLink = ReadMatrix(TransformLink);
+
+    // it is actually possible that there be Deformer's with no weights
+    if (!!Indexes != !!Weights) {
+        DOMError("either Indexes or Weights are missing from Cluster",&element);
+    }
+
+    if(Indexes) {
+        ParseVectorDataArray(indices,*Indexes);
+        ParseVectorDataArray(weights,*Weights);
+    }
+
+    if(indices.size() != weights.size()) {
+        DOMError("sizes of index and weight array don't match up",&element);
+    }
+
+    // read assigned node
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Model");
+    for(const Connection* con : conns) {
+        const Model* const mod = ProcessSimpleConnection<Model>(*con, false, "Model -> Cluster", element);
+        if(mod) {
+            node = mod;
+            break;
+        }
+    }
+
+    if (!node) {
+        DOMError("failed to read target Node for Cluster",&element);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Cluster::~Cluster()
+{
+
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Skin::Skin(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Deformer(id,element,doc,name)
+, accuracy( 0.0f ) {
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const Link_DeformAcuracy = sc["Link_DeformAcuracy"];
+    if(Link_DeformAcuracy) {
+        accuracy = ParseTokenAsFloat(GetRequiredToken(*Link_DeformAcuracy,0));
+    }
+
+    // resolve assigned clusters
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer");
+
+    clusters.reserve(conns.size());
+    for(const Connection* con : conns) {
+
+        const Cluster* const cluster = ProcessSimpleConnection<Cluster>(*con, false, "Cluster -> Skin", element);
+        if(cluster) {
+            clusters.push_back(cluster);
+            continue;
+        }
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Skin::~Skin()
+{
+
+}
+// ------------------------------------------------------------------------------------------------
+BlendShape::BlendShape(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+    : Deformer(id, element, doc, name)
+{
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(), "Deformer");
+    blendShapeChannels.reserve(conns.size());
+    for (const Connection* con : conns) {
+        const BlendShapeChannel* const bspc = ProcessSimpleConnection<BlendShapeChannel>(*con, false, "BlendShapeChannel -> BlendShape", element);
+        if (bspc) {
+            blendShapeChannels.push_back(bspc);
+            continue;
+        }
+    }
+}
+// ------------------------------------------------------------------------------------------------
+BlendShape::~BlendShape()
+{
+
+}
+// ------------------------------------------------------------------------------------------------
+BlendShapeChannel::BlendShapeChannel(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+    : Deformer(id, element, doc, name)
+{
+    const Scope& sc = GetRequiredScope(element);
+    const Element* const DeformPercent = sc["DeformPercent"];
+    if (DeformPercent) {
+        percent = ParseTokenAsFloat(GetRequiredToken(*DeformPercent, 0));
+    }
+    const Element* const FullWeights = sc["FullWeights"];
+    if (FullWeights) {
+        ParseVectorDataArray(fullWeights, *FullWeights);
+    }
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(), "Geometry");
+    shapeGeometries.reserve(conns.size());
+    for (const Connection* con : conns) {
+        const ShapeGeometry* const sg = ProcessSimpleConnection<ShapeGeometry>(*con, false, "Shape -> BlendShapeChannel", element);
+        if (sg) {
+            shapeGeometries.push_back(sg);
+            continue;
+        }
+    }
+}
+// ------------------------------------------------------------------------------------------------
+BlendShapeChannel::~BlendShapeChannel()
+{
+
+}
+// ------------------------------------------------------------------------------------------------
+}
+}
+#endif
+
diff --git a/thirdparty/assimp/code/FBXDocument.cpp b/thirdparty/assimp/code/FBXDocument.cpp
new file mode 100644
index 0000000000..1af08fe6d8
--- /dev/null
+++ b/thirdparty/assimp/code/FBXDocument.cpp
@@ -0,0 +1,726 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the*
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXDocument.cpp
+ *  @brief Implementation of the FBX DOM classes
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXDocument.h"
+#include "FBXMeshGeometry.h"
+#include "FBXParser.h"
+#include "FBXUtil.h"
+#include "FBXImporter.h"
+#include "FBXImportSettings.h"
+#include "FBXDocumentUtil.h"
+#include "FBXProperties.h"
+
+#include <memory>
+#include <functional>
+#include <map>
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+LazyObject::LazyObject(uint64_t id, const Element& element, const Document& doc)
+: doc(doc)
+, element(element)
+, id(id)
+, flags() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+LazyObject::~LazyObject()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+const Object* LazyObject::Get(bool dieOnError)
+{
+    if(IsBeingConstructed() || FailedToConstruct()) {
+        return nullptr;
+    }
+
+    if (object.get()) {
+        return object.get();
+    }
+
+    // if this is the root object, we return a dummy since there
+    // is no root object int he fbx file - it is just referenced
+    // with id 0.
+    if(id == 0L) {
+        object.reset(new Object(id, element, "Model::RootNode"));
+        return object.get();
+    }
+
+    const Token& key = element.KeyToken();
+    const TokenList& tokens = element.Tokens();
+
+    if(tokens.size() < 3) {
+        DOMError("expected at least 3 tokens: id, name and class tag",&element);
+    }
+
+    const char* err;
+    std::string name = ParseTokenAsString(*tokens[1],err);
+    if (err) {
+        DOMError(err,&element);
+    }
+
+    // small fix for binary reading: binary fbx files don't use
+    // prefixes such as Model:: in front of their names. The
+    // loading code expects this at many places, though!
+    // so convert the binary representation (a 0x0001) to the
+    // double colon notation.
+    if(tokens[1]->IsBinary()) {
+        for (size_t i = 0; i < name.length(); ++i) {
+            if (name[i] == 0x0 && name[i+1] == 0x1) {
+                name = name.substr(i+2) + "::" + name.substr(0,i);
+            }
+        }
+    }
+
+    const std::string classtag = ParseTokenAsString(*tokens[2],err);
+    if (err) {
+        DOMError(err,&element);
+    }
+
+    // prevent recursive calls
+    flags |= BEING_CONSTRUCTED;
+
+    try {
+        // this needs to be relatively fast since it happens a lot,
+        // so avoid constructing strings all the time.
+        const char* obtype = key.begin();
+        const size_t length = static_cast<size_t>(key.end()-key.begin());
+
+        // For debugging
+        //dumpObjectClassInfo( objtype, classtag );
+
+        if (!strncmp(obtype,"Geometry",length)) {
+            if (!strcmp(classtag.c_str(),"Mesh")) {
+                object.reset(new MeshGeometry(id,element,name,doc));
+            }
+            if (!strcmp(classtag.c_str(), "Shape")) {
+                object.reset(new ShapeGeometry(id, element, name, doc));
+            }
+            if (!strcmp(classtag.c_str(), "Line")) {
+                object.reset(new LineGeometry(id, element, name, doc));
+            }
+        }
+        else if (!strncmp(obtype,"NodeAttribute",length)) {
+            if (!strcmp(classtag.c_str(),"Camera")) {
+                object.reset(new Camera(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(),"CameraSwitcher")) {
+                object.reset(new CameraSwitcher(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(),"Light")) {
+                object.reset(new Light(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(),"Null")) {
+                object.reset(new Null(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(),"LimbNode")) {
+                object.reset(new LimbNode(id,element,doc,name));
+            }
+        }
+        else if (!strncmp(obtype,"Deformer",length)) {
+            if (!strcmp(classtag.c_str(),"Cluster")) {
+                object.reset(new Cluster(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(),"Skin")) {
+                object.reset(new Skin(id,element,doc,name));
+            }
+            else if (!strcmp(classtag.c_str(), "BlendShape")) {
+                object.reset(new BlendShape(id, element, doc, name));
+            }
+            else if (!strcmp(classtag.c_str(), "BlendShapeChannel")) {
+                object.reset(new BlendShapeChannel(id, element, doc, name));
+            }
+        }
+        else if ( !strncmp( obtype, "Model", length ) ) {
+            // FK and IK effectors are not supported
+            if ( strcmp( classtag.c_str(), "IKEffector" ) && strcmp( classtag.c_str(), "FKEffector" ) ) {
+                object.reset( new Model( id, element, doc, name ) );
+            }
+        }
+        else if (!strncmp(obtype,"Material",length)) {
+            object.reset(new Material(id,element,doc,name));
+        }
+        else if (!strncmp(obtype,"Texture",length)) {
+            object.reset(new Texture(id,element,doc,name));
+        }
+        else if (!strncmp(obtype,"LayeredTexture",length)) {
+            object.reset(new LayeredTexture(id,element,doc,name));
+        }
+        else if (!strncmp(obtype,"Video",length)) {
+            object.reset(new Video(id,element,doc,name));
+        }
+        else if (!strncmp(obtype,"AnimationStack",length)) {
+            object.reset(new AnimationStack(id,element,name,doc));
+        }
+        else if (!strncmp(obtype,"AnimationLayer",length)) {
+            object.reset(new AnimationLayer(id,element,name,doc));
+        }
+        // note: order matters for these two
+        else if (!strncmp(obtype,"AnimationCurve",length)) {
+            object.reset(new AnimationCurve(id,element,name,doc));
+        }
+        else if (!strncmp(obtype,"AnimationCurveNode",length)) {
+            object.reset(new AnimationCurveNode(id,element,name,doc));
+        }
+    }
+    catch(std::exception& ex) {
+        flags &= ~BEING_CONSTRUCTED;
+        flags |= FAILED_TO_CONSTRUCT;
+
+        if(dieOnError || doc.Settings().strictMode) {
+            throw;
+        }
+
+        // note: the error message is already formatted, so raw logging is ok
+        if(!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_ERROR(ex.what());
+        }
+        return NULL;
+    }
+
+    if (!object.get()) {
+        //DOMError("failed to convert element to DOM object, class: " + classtag + ", name: " + name,&element);
+    }
+
+    flags &= ~BEING_CONSTRUCTED;
+    return object.get();
+}
+
+// ------------------------------------------------------------------------------------------------
+Object::Object(uint64_t id, const Element& element, const std::string& name)
+: element(element)
+, name(name)
+, id(id)
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+Object::~Object()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+FileGlobalSettings::FileGlobalSettings(const Document& doc, std::shared_ptr<const PropertyTable> props)
+: props(props)
+, doc(doc)
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+FileGlobalSettings::~FileGlobalSettings()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+Document::Document(const Parser& parser, const ImportSettings& settings)
+: settings(settings)
+, parser(parser)
+{
+    // Cannot use array default initialization syntax because vc8 fails on it
+    for (auto &timeStamp : creationTimeStamp) {
+        timeStamp = 0;
+    }
+
+    ReadHeader();
+    ReadPropertyTemplates();
+
+    ReadGlobalSettings();
+
+    // This order is important, connections need parsed objects to check
+    // whether connections are ok or not. Objects may not be evaluated yet,
+    // though, since this may require valid connections.
+    ReadObjects();
+    ReadConnections();
+}
+
+// ------------------------------------------------------------------------------------------------
+Document::~Document()
+{
+    for(ObjectMap::value_type& v : objects) {
+        delete v.second;
+    }
+
+    for(ConnectionMap::value_type& v : src_connections) {
+        delete v.second;
+    }
+    // |dest_connections| contain the same Connection objects as the |src_connections|
+}
+
+// ------------------------------------------------------------------------------------------------
+static const unsigned int LowerSupportedVersion = 7100;
+static const unsigned int UpperSupportedVersion = 7400;
+
+void Document::ReadHeader() {
+    // Read ID objects from "Objects" section
+    const Scope& sc = parser.GetRootScope();
+    const Element* const ehead = sc["FBXHeaderExtension"];
+    if(!ehead || !ehead->Compound()) {
+        DOMError("no FBXHeaderExtension dictionary found");
+    }
+
+    const Scope& shead = *ehead->Compound();
+    fbxVersion = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(shead,"FBXVersion",ehead),0));
+
+    // While we may have some success with newer files, we don't support
+    // the older 6.n fbx format
+    if(fbxVersion < LowerSupportedVersion ) {
+        DOMError("unsupported, old format version, supported are only FBX 2011, FBX 2012 and FBX 2013");
+    }
+    if(fbxVersion > UpperSupportedVersion ) {
+        if(Settings().strictMode) {
+            DOMError("unsupported, newer format version, supported are only FBX 2011, FBX 2012 and FBX 2013"
+                " (turn off strict mode to try anyhow) ");
+        }
+        else {
+            DOMWarning("unsupported, newer format version, supported are only FBX 2011, FBX 2012 and FBX 2013,"
+                " trying to read it nevertheless");
+        }
+    }
+
+    const Element* const ecreator = shead["Creator"];
+    if(ecreator) {
+        creator = ParseTokenAsString(GetRequiredToken(*ecreator,0));
+    }
+
+    const Element* const etimestamp = shead["CreationTimeStamp"];
+    if(etimestamp && etimestamp->Compound()) {
+        const Scope& stimestamp = *etimestamp->Compound();
+        creationTimeStamp[0] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Year"),0));
+        creationTimeStamp[1] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Month"),0));
+        creationTimeStamp[2] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Day"),0));
+        creationTimeStamp[3] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Hour"),0));
+        creationTimeStamp[4] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Minute"),0));
+        creationTimeStamp[5] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Second"),0));
+        creationTimeStamp[6] = ParseTokenAsInt(GetRequiredToken(GetRequiredElement(stimestamp,"Millisecond"),0));
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void Document::ReadGlobalSettings()
+{
+    const Scope& sc = parser.GetRootScope();
+    const Element* const ehead = sc["GlobalSettings"];
+    if ( nullptr == ehead || !ehead->Compound() ) {
+        DOMWarning( "no GlobalSettings dictionary found" );
+        globals.reset(new FileGlobalSettings(*this, std::make_shared<const PropertyTable>()));
+        return;
+    }
+
+    std::shared_ptr<const PropertyTable> props = GetPropertyTable( *this, "", *ehead, *ehead->Compound(), true );
+
+    //double v = PropertyGet<float>( *props.get(), std::string("UnitScaleFactor"), 1.0 );
+
+    if(!props) {
+        DOMError("GlobalSettings dictionary contains no property table");
+    }
+
+    globals.reset(new FileGlobalSettings(*this, props));
+}
+
+// ------------------------------------------------------------------------------------------------
+void Document::ReadObjects()
+{
+    // read ID objects from "Objects" section
+    const Scope& sc = parser.GetRootScope();
+    const Element* const eobjects = sc["Objects"];
+    if(!eobjects || !eobjects->Compound()) {
+        DOMError("no Objects dictionary found");
+    }
+
+    // add a dummy entry to represent the Model::RootNode object (id 0),
+    // which is only indirectly defined in the input file
+    objects[0] = new LazyObject(0L, *eobjects, *this);
+
+    const Scope& sobjects = *eobjects->Compound();
+    for(const ElementMap::value_type& el : sobjects.Elements()) {
+
+        // extract ID
+        const TokenList& tok = el.second->Tokens();
+
+        if (tok.empty()) {
+            DOMError("expected ID after object key",el.second);
+        }
+
+        const char* err;
+        const uint64_t id = ParseTokenAsID(*tok[0], err);
+        if(err) {
+            DOMError(err,el.second);
+        }
+
+        // id=0 is normally implicit
+        if(id == 0L) {
+            DOMError("encountered object with implicitly defined id 0",el.second);
+        }
+
+        if(objects.find(id) != objects.end()) {
+            DOMWarning("encountered duplicate object id, ignoring first occurrence",el.second);
+        }
+
+        objects[id] = new LazyObject(id, *el.second, *this);
+
+        // grab all animation stacks upfront since there is no listing of them
+        if(!strcmp(el.first.c_str(),"AnimationStack")) {
+            animationStacks.push_back(id);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void Document::ReadPropertyTemplates()
+{
+    const Scope& sc = parser.GetRootScope();
+    // read property templates from "Definitions" section
+    const Element* const edefs = sc["Definitions"];
+    if(!edefs || !edefs->Compound()) {
+        DOMWarning("no Definitions dictionary found");
+        return;
+    }
+
+    const Scope& sdefs = *edefs->Compound();
+    const ElementCollection otypes = sdefs.GetCollection("ObjectType");
+    for(ElementMap::const_iterator it = otypes.first; it != otypes.second; ++it) {
+        const Element& el = *(*it).second;
+        const Scope* sc = el.Compound();
+        if(!sc) {
+            DOMWarning("expected nested scope in ObjectType, ignoring",&el);
+            continue;
+        }
+
+        const TokenList& tok = el.Tokens();
+        if(tok.empty()) {
+            DOMWarning("expected name for ObjectType element, ignoring",&el);
+            continue;
+        }
+
+        const std::string& oname = ParseTokenAsString(*tok[0]);
+
+        const ElementCollection templs = sc->GetCollection("PropertyTemplate");
+        for(ElementMap::const_iterator it = templs.first; it != templs.second; ++it) {
+            const Element& el = *(*it).second;
+            const Scope* sc = el.Compound();
+            if(!sc) {
+                DOMWarning("expected nested scope in PropertyTemplate, ignoring",&el);
+                continue;
+            }
+
+            const TokenList& tok = el.Tokens();
+            if(tok.empty()) {
+                DOMWarning("expected name for PropertyTemplate element, ignoring",&el);
+                continue;
+            }
+
+            const std::string& pname = ParseTokenAsString(*tok[0]);
+
+            const Element* Properties70 = (*sc)["Properties70"];
+            if(Properties70) {
+                std::shared_ptr<const PropertyTable> props = std::make_shared<const PropertyTable>(
+                    *Properties70,std::shared_ptr<const PropertyTable>(static_cast<const PropertyTable*>(NULL))
+                );
+
+                templates[oname+"."+pname] = props;
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void Document::ReadConnections()
+{
+    const Scope& sc = parser.GetRootScope();
+    // read property templates from "Definitions" section
+    const Element* const econns = sc["Connections"];
+    if(!econns || !econns->Compound()) {
+        DOMError("no Connections dictionary found");
+    }
+
+    uint64_t insertionOrder = 0l;
+    const Scope& sconns = *econns->Compound();
+    const ElementCollection conns = sconns.GetCollection("C");
+    for(ElementMap::const_iterator it = conns.first; it != conns.second; ++it) {
+        const Element& el = *(*it).second;
+        const std::string& type = ParseTokenAsString(GetRequiredToken(el,0));
+
+        // PP = property-property connection, ignored for now
+        // (tokens: "PP", ID1, "Property1", ID2, "Property2")
+        if ( type == "PP" ) {
+            continue;
+        }
+
+        const uint64_t src = ParseTokenAsID(GetRequiredToken(el,1));
+        const uint64_t dest = ParseTokenAsID(GetRequiredToken(el,2));
+
+        // OO = object-object connection
+        // OP = object-property connection, in which case the destination property follows the object ID
+        const std::string& prop = (type == "OP" ? ParseTokenAsString(GetRequiredToken(el,3)) : "");
+
+        if(objects.find(src) == objects.end()) {
+            DOMWarning("source object for connection does not exist",&el);
+            continue;
+        }
+
+        // dest may be 0 (root node) but we added a dummy object before
+        if(objects.find(dest) == objects.end()) {
+            DOMWarning("destination object for connection does not exist",&el);
+            continue;
+        }
+
+        // add new connection
+        const Connection* const c = new Connection(insertionOrder++,src,dest,prop,*this);
+        src_connections.insert(ConnectionMap::value_type(src,c));
+        dest_connections.insert(ConnectionMap::value_type(dest,c));
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<const AnimationStack*>& Document::AnimationStacks() const
+{
+    if (!animationStacksResolved.empty() || animationStacks.empty()) {
+        return animationStacksResolved;
+    }
+
+    animationStacksResolved.reserve(animationStacks.size());
+    for(uint64_t id : animationStacks) {
+        LazyObject* const lazy = GetObject(id);
+        const AnimationStack* stack;
+        if(!lazy || !(stack = lazy->Get<AnimationStack>())) {
+            DOMWarning("failed to read AnimationStack object");
+            continue;
+        }
+        animationStacksResolved.push_back(stack);
+    }
+
+    return animationStacksResolved;
+}
+
+// ------------------------------------------------------------------------------------------------
+LazyObject* Document::GetObject(uint64_t id) const
+{
+    ObjectMap::const_iterator it = objects.find(id);
+    return it == objects.end() ? nullptr : (*it).second;
+}
+
+#define MAX_CLASSNAMES 6
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsSequenced(uint64_t id, const ConnectionMap& conns) const
+{
+    std::vector<const Connection*> temp;
+
+    const std::pair<ConnectionMap::const_iterator,ConnectionMap::const_iterator> range =
+        conns.equal_range(id);
+
+    temp.reserve(std::distance(range.first,range.second));
+    for (ConnectionMap::const_iterator it = range.first; it != range.second; ++it) {
+        temp.push_back((*it).second);
+    }
+
+    std::sort(temp.begin(), temp.end(), std::mem_fn(&Connection::Compare));
+
+    return temp; // NRVO should handle this
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsSequenced(uint64_t id, bool is_src,
+    const ConnectionMap& conns,
+    const char* const* classnames,
+    size_t count) const
+
+{
+    ai_assert(classnames);
+    ai_assert( count != 0 );
+    ai_assert( count <= MAX_CLASSNAMES);
+
+    size_t lengths[MAX_CLASSNAMES];
+
+    const size_t c = count;
+    for (size_t i = 0; i < c; ++i) {
+        lengths[ i ] = strlen(classnames[i]);
+    }
+
+    std::vector<const Connection*> temp;
+    const std::pair<ConnectionMap::const_iterator,ConnectionMap::const_iterator> range =
+        conns.equal_range(id);
+
+    temp.reserve(std::distance(range.first,range.second));
+    for (ConnectionMap::const_iterator it = range.first; it != range.second; ++it) {
+        const Token& key = (is_src
+            ? (*it).second->LazyDestinationObject()
+            : (*it).second->LazySourceObject()
+        ).GetElement().KeyToken();
+
+        const char* obtype = key.begin();
+
+        for (size_t i = 0; i < c; ++i) {
+            ai_assert(classnames[i]);
+            if(static_cast<size_t>(std::distance(key.begin(),key.end())) == lengths[i] && !strncmp(classnames[i],obtype,lengths[i])) {
+                obtype = nullptr;
+                break;
+            }
+        }
+
+        if(obtype) {
+            continue;
+        }
+
+        temp.push_back((*it).second);
+    }
+
+    std::sort(temp.begin(), temp.end(), std::mem_fn(&Connection::Compare));
+    return temp; // NRVO should handle this
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsBySourceSequenced(uint64_t source) const
+{
+    return GetConnectionsSequenced(source, ConnectionsBySource());
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsBySourceSequenced(uint64_t src, const char* classname) const
+{
+    const char* arr[] = {classname};
+    return GetConnectionsBySourceSequenced(src, arr,1);
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsBySourceSequenced(uint64_t source, 
+        const char* const* classnames, size_t count) const
+{
+    return GetConnectionsSequenced(source, true, ConnectionsBySource(),classnames, count);
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsByDestinationSequenced(uint64_t dest,
+        const char* classname) const
+{
+    const char* arr[] = {classname};
+    return GetConnectionsByDestinationSequenced(dest, arr,1);
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsByDestinationSequenced(uint64_t dest) const
+{
+    return GetConnectionsSequenced(dest, ConnectionsByDestination());
+}
+
+// ------------------------------------------------------------------------------------------------
+std::vector<const Connection*> Document::GetConnectionsByDestinationSequenced(uint64_t dest,
+    const char* const* classnames, size_t count) const
+
+{
+    return GetConnectionsSequenced(dest, false, ConnectionsByDestination(),classnames, count);
+}
+
+// ------------------------------------------------------------------------------------------------
+Connection::Connection(uint64_t insertionOrder,  uint64_t src, uint64_t dest, const std::string& prop,
+        const Document& doc)
+
+: insertionOrder(insertionOrder)
+, prop(prop)
+, src(src)
+, dest(dest)
+, doc(doc)
+{
+    ai_assert(doc.Objects().find(src) != doc.Objects().end());
+    // dest may be 0 (root node)
+    ai_assert(!dest || doc.Objects().find(dest) != doc.Objects().end());
+}
+
+// ------------------------------------------------------------------------------------------------
+Connection::~Connection()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+LazyObject& Connection::LazySourceObject() const
+{
+    LazyObject* const lazy = doc.GetObject(src);
+    ai_assert(lazy);
+    return *lazy;
+}
+
+// ------------------------------------------------------------------------------------------------
+LazyObject& Connection::LazyDestinationObject() const
+{
+    LazyObject* const lazy = doc.GetObject(dest);
+    ai_assert(lazy);
+    return *lazy;
+}
+
+// ------------------------------------------------------------------------------------------------
+const Object* Connection::SourceObject() const
+{
+    LazyObject* const lazy = doc.GetObject(src);
+    ai_assert(lazy);
+    return lazy->Get();
+}
+
+// ------------------------------------------------------------------------------------------------
+const Object* Connection::DestinationObject() const
+{
+    LazyObject* const lazy = doc.GetObject(dest);
+    ai_assert(lazy);
+    return lazy->Get();
+}
+
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXDocument.h b/thirdparty/assimp/code/FBXDocument.h
new file mode 100644
index 0000000000..c849defdcd
--- /dev/null
+++ b/thirdparty/assimp/code/FBXDocument.h
@@ -0,0 +1,1180 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXDocument.h
+ *  @brief FBX DOM
+ */
+#ifndef INCLUDED_AI_FBX_DOCUMENT_H
+#define INCLUDED_AI_FBX_DOCUMENT_H
+
+#include <numeric>
+#include <stdint.h>
+#include <assimp/mesh.h>
+#include "FBXProperties.h"
+#include "FBXParser.h"
+
+#define _AI_CONCAT(a,b)  a ## b
+#define  AI_CONCAT(a,b)  _AI_CONCAT(a,b)
+
+namespace Assimp {
+namespace FBX {
+
+class Parser;
+class Object;
+struct ImportSettings;
+
+class PropertyTable;
+class Document;
+class Material;
+class ShapeGeometry;
+class LineGeometry;
+class Geometry;
+
+class Video;
+
+class AnimationCurve;
+class AnimationCurveNode;
+class AnimationLayer;
+class AnimationStack;
+
+class BlendShapeChannel;
+class BlendShape;
+class Skin;
+class Cluster;
+
+
+/** Represents a delay-parsed FBX objects. Many objects in the scene
+ *  are not needed by assimp, so it makes no sense to parse them
+ *  upfront. */
+class LazyObject {
+public:
+    LazyObject(uint64_t id, const Element& element, const Document& doc);
+
+    ~LazyObject();
+
+    const Object* Get(bool dieOnError = false);
+
+    template <typename T>
+    const T* Get(bool dieOnError = false) {
+        const Object* const ob = Get(dieOnError);
+        return ob ? dynamic_cast<const T*>(ob) : NULL;
+    }
+
+    uint64_t ID() const {
+        return id;
+    }
+
+    bool IsBeingConstructed() const {
+        return (flags & BEING_CONSTRUCTED) != 0;
+    }
+
+    bool FailedToConstruct() const {
+        return (flags & FAILED_TO_CONSTRUCT) != 0;
+    }
+
+    const Element& GetElement() const {
+        return element;
+    }
+
+    const Document& GetDocument() const {
+        return doc;
+    }
+
+private:
+    const Document& doc;
+    const Element& element;
+    std::unique_ptr<const Object> object;
+
+    const uint64_t id;
+
+    enum Flags {
+        BEING_CONSTRUCTED = 0x1,
+        FAILED_TO_CONSTRUCT = 0x2
+    };
+
+    unsigned int flags;
+};
+
+/** Base class for in-memory (DOM) representations of FBX objects */
+class Object {
+public:
+    Object(uint64_t id, const Element& element, const std::string& name);
+
+    virtual ~Object();
+
+    const Element& SourceElement() const {
+        return element;
+    }
+
+    const std::string& Name() const {
+        return name;
+    }
+
+    uint64_t ID() const {
+        return id;
+    }
+
+protected:
+    const Element& element;
+    const std::string name;
+    const uint64_t id;
+};
+
+/** DOM class for generic FBX NoteAttribute blocks. NoteAttribute's just hold a property table,
+ *  fixed members are added by deriving classes. */
+class NodeAttribute : public Object {
+public:
+    NodeAttribute(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~NodeAttribute();
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+private:
+    std::shared_ptr<const PropertyTable> props;
+};
+
+/** DOM base class for FBX camera settings attached to a node */
+class CameraSwitcher : public NodeAttribute {
+public:
+    CameraSwitcher(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~CameraSwitcher();
+
+    int CameraID() const {
+        return cameraId;
+    }
+
+    const std::string& CameraName() const {
+        return cameraName;
+    }
+
+    const std::string& CameraIndexName() const {
+        return cameraIndexName;
+    }
+
+private:
+    int cameraId;
+    std::string cameraName;
+    std::string cameraIndexName;
+};
+
+#define fbx_stringize(a) #a
+
+#define fbx_simple_property(name, type, default_value) \
+    type name() const { \
+        return PropertyGet<type>(Props(), fbx_stringize(name), (default_value)); \
+    }
+
+// XXX improve logging
+#define fbx_simple_enum_property(name, type, default_value) \
+    type name() const { \
+        const int ival = PropertyGet<int>(Props(), fbx_stringize(name), static_cast<int>(default_value)); \
+        if (ival < 0 || ival >= AI_CONCAT(type, _MAX)) { \
+            ai_assert(static_cast<int>(default_value) >= 0 && static_cast<int>(default_value) < AI_CONCAT(type, _MAX)); \
+            return static_cast<type>(default_value); \
+        } \
+        return static_cast<type>(ival); \
+}
+
+
+/** DOM base class for FBX cameras attached to a node */
+class Camera : public NodeAttribute {
+public:
+    Camera(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual  ~Camera();
+
+    fbx_simple_property(Position, aiVector3D, aiVector3D(0,0,0))
+    fbx_simple_property(UpVector, aiVector3D, aiVector3D(0,1,0))
+    fbx_simple_property(InterestPosition, aiVector3D, aiVector3D(0,0,0))
+
+    fbx_simple_property(AspectWidth, float, 1.0f)
+    fbx_simple_property(AspectHeight, float, 1.0f)
+    fbx_simple_property(FilmWidth, float, 1.0f)
+    fbx_simple_property(FilmHeight, float, 1.0f)
+
+    fbx_simple_property(NearPlane, float, 0.1f)
+    fbx_simple_property(FarPlane, float, 100.0f)
+
+    fbx_simple_property(FilmAspectRatio, float, 1.0f)
+    fbx_simple_property(ApertureMode, int, 0)
+
+    fbx_simple_property(FieldOfView, float, 1.0f)
+    fbx_simple_property(FocalLength, float, 1.0f)
+};
+
+/** DOM base class for FBX null markers attached to a node */
+class Null : public NodeAttribute {
+public:
+    Null(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+    virtual ~Null();
+};
+
+/** DOM base class for FBX limb node markers attached to a node */
+class LimbNode : public NodeAttribute {
+public:
+    LimbNode(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+    virtual ~LimbNode();
+};
+
+/** DOM base class for FBX lights attached to a node */
+class Light : public NodeAttribute {
+public:
+    Light(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+    virtual ~Light();
+
+    enum Type
+    {
+        Type_Point,
+        Type_Directional,
+        Type_Spot,
+        Type_Area,
+        Type_Volume,
+
+        Type_MAX // end-of-enum sentinel
+    };
+
+    enum Decay
+    {
+        Decay_None,
+        Decay_Linear,
+        Decay_Quadratic,
+        Decay_Cubic,
+
+        Decay_MAX // end-of-enum sentinel
+    };
+
+    fbx_simple_property(Color, aiVector3D, aiVector3D(1,1,1))
+    fbx_simple_enum_property(LightType, Type, 0)
+    fbx_simple_property(CastLightOnObject, bool, false)
+    fbx_simple_property(DrawVolumetricLight, bool, true)
+    fbx_simple_property(DrawGroundProjection, bool, true)
+    fbx_simple_property(DrawFrontFacingVolumetricLight, bool, false)
+    fbx_simple_property(Intensity, float, 100.0f)
+    fbx_simple_property(InnerAngle, float, 0.0f)
+    fbx_simple_property(OuterAngle, float, 45.0f)
+    fbx_simple_property(Fog, int, 50)
+    fbx_simple_enum_property(DecayType, Decay, 2)
+    fbx_simple_property(DecayStart, float, 1.0f)
+    fbx_simple_property(FileName, std::string, "")
+
+    fbx_simple_property(EnableNearAttenuation, bool, false)
+    fbx_simple_property(NearAttenuationStart, float, 0.0f)
+    fbx_simple_property(NearAttenuationEnd, float, 0.0f)
+    fbx_simple_property(EnableFarAttenuation, bool, false)
+    fbx_simple_property(FarAttenuationStart, float, 0.0f)
+    fbx_simple_property(FarAttenuationEnd, float, 0.0f)
+
+    fbx_simple_property(CastShadows, bool, true)
+    fbx_simple_property(ShadowColor, aiVector3D, aiVector3D(0,0,0))
+
+    fbx_simple_property(AreaLightShape, int, 0)
+
+    fbx_simple_property(LeftBarnDoor, float, 20.0f)
+    fbx_simple_property(RightBarnDoor, float, 20.0f)
+    fbx_simple_property(TopBarnDoor, float, 20.0f)
+    fbx_simple_property(BottomBarnDoor, float, 20.0f)
+    fbx_simple_property(EnableBarnDoor, bool, true)
+};
+
+/** DOM base class for FBX models (even though its semantics are more "node" than "model" */
+class Model : public Object {
+public:
+    enum RotOrder {
+        RotOrder_EulerXYZ = 0,
+        RotOrder_EulerXZY,
+        RotOrder_EulerYZX,
+        RotOrder_EulerYXZ,
+        RotOrder_EulerZXY,
+        RotOrder_EulerZYX,
+
+        RotOrder_SphericXYZ,
+
+        RotOrder_MAX // end-of-enum sentinel
+    };
+
+    enum TransformInheritance {
+        TransformInheritance_RrSs = 0,
+        TransformInheritance_RSrs,
+        TransformInheritance_Rrs,
+
+        TransformInheritance_MAX // end-of-enum sentinel
+    };
+
+    Model(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Model();
+
+    fbx_simple_property(QuaternionInterpolate, int, 0)
+
+    fbx_simple_property(RotationOffset, aiVector3D, aiVector3D())
+    fbx_simple_property(RotationPivot, aiVector3D, aiVector3D())
+    fbx_simple_property(ScalingOffset, aiVector3D, aiVector3D())
+    fbx_simple_property(ScalingPivot, aiVector3D, aiVector3D())
+    fbx_simple_property(TranslationActive, bool, false)
+
+    fbx_simple_property(TranslationMin, aiVector3D, aiVector3D())
+    fbx_simple_property(TranslationMax, aiVector3D, aiVector3D())
+
+    fbx_simple_property(TranslationMinX, bool, false)
+    fbx_simple_property(TranslationMaxX, bool, false)
+    fbx_simple_property(TranslationMinY, bool, false)
+    fbx_simple_property(TranslationMaxY, bool, false)
+    fbx_simple_property(TranslationMinZ, bool, false)
+    fbx_simple_property(TranslationMaxZ, bool, false)
+
+    fbx_simple_enum_property(RotationOrder, RotOrder, 0)
+    fbx_simple_property(RotationSpaceForLimitOnly, bool, false)
+    fbx_simple_property(RotationStiffnessX, float, 0.0f)
+    fbx_simple_property(RotationStiffnessY, float, 0.0f)
+    fbx_simple_property(RotationStiffnessZ, float, 0.0f)
+    fbx_simple_property(AxisLen, float, 0.0f)
+
+    fbx_simple_property(PreRotation, aiVector3D, aiVector3D())
+    fbx_simple_property(PostRotation, aiVector3D, aiVector3D())
+    fbx_simple_property(RotationActive, bool, false)
+
+    fbx_simple_property(RotationMin, aiVector3D, aiVector3D())
+    fbx_simple_property(RotationMax, aiVector3D, aiVector3D())
+
+    fbx_simple_property(RotationMinX, bool, false)
+    fbx_simple_property(RotationMaxX, bool, false)
+    fbx_simple_property(RotationMinY, bool, false)
+    fbx_simple_property(RotationMaxY, bool, false)
+    fbx_simple_property(RotationMinZ, bool, false)
+    fbx_simple_property(RotationMaxZ, bool, false)
+    fbx_simple_enum_property(InheritType, TransformInheritance, 0)
+
+    fbx_simple_property(ScalingActive, bool, false)
+    fbx_simple_property(ScalingMin, aiVector3D, aiVector3D())
+    fbx_simple_property(ScalingMax, aiVector3D, aiVector3D(1.f,1.f,1.f))
+    fbx_simple_property(ScalingMinX, bool, false)
+    fbx_simple_property(ScalingMaxX, bool, false)
+    fbx_simple_property(ScalingMinY, bool, false)
+    fbx_simple_property(ScalingMaxY, bool, false)
+    fbx_simple_property(ScalingMinZ, bool, false)
+    fbx_simple_property(ScalingMaxZ, bool, false)
+
+    fbx_simple_property(GeometricTranslation, aiVector3D, aiVector3D())
+    fbx_simple_property(GeometricRotation, aiVector3D, aiVector3D())
+    fbx_simple_property(GeometricScaling, aiVector3D, aiVector3D(1.f, 1.f, 1.f))
+
+    fbx_simple_property(MinDampRangeX, float, 0.0f)
+    fbx_simple_property(MinDampRangeY, float, 0.0f)
+    fbx_simple_property(MinDampRangeZ, float, 0.0f)
+    fbx_simple_property(MaxDampRangeX, float, 0.0f)
+    fbx_simple_property(MaxDampRangeY, float, 0.0f)
+    fbx_simple_property(MaxDampRangeZ, float, 0.0f)
+
+    fbx_simple_property(MinDampStrengthX, float, 0.0f)
+    fbx_simple_property(MinDampStrengthY, float, 0.0f)
+    fbx_simple_property(MinDampStrengthZ, float, 0.0f)
+    fbx_simple_property(MaxDampStrengthX, float, 0.0f)
+    fbx_simple_property(MaxDampStrengthY, float, 0.0f)
+    fbx_simple_property(MaxDampStrengthZ, float, 0.0f)
+
+    fbx_simple_property(PreferredAngleX, float, 0.0f)
+    fbx_simple_property(PreferredAngleY, float, 0.0f)
+    fbx_simple_property(PreferredAngleZ, float, 0.0f)
+
+    fbx_simple_property(Show, bool, true)
+    fbx_simple_property(LODBox, bool, false)
+    fbx_simple_property(Freeze, bool, false)
+
+    const std::string& Shading() const {
+        return shading;
+    }
+
+    const std::string& Culling() const {
+        return culling;
+    }
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    /** Get material links */
+    const std::vector<const Material*>& GetMaterials() const {
+        return materials;
+    }
+
+    /** Get geometry links */
+    const std::vector<const Geometry*>& GetGeometry() const {
+        return geometry;
+    }
+
+    /** Get node attachments */
+    const std::vector<const NodeAttribute*>& GetAttributes() const {
+        return attributes;
+    }
+
+    /** convenience method to check if the node has a Null node marker */
+    bool IsNull() const;
+
+private:
+    void ResolveLinks(const Element& element, const Document& doc);
+
+private:
+    std::vector<const Material*> materials;
+    std::vector<const Geometry*> geometry;
+    std::vector<const NodeAttribute*> attributes;
+
+    std::string shading;
+    std::string culling;
+    std::shared_ptr<const PropertyTable> props;
+};
+
+/** DOM class for generic FBX textures */
+class Texture : public Object {
+public:
+    Texture(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Texture();
+
+    const std::string& Type() const {
+        return type;
+    }
+
+    const std::string& FileName() const {
+        return fileName;
+    }
+
+    const std::string& RelativeFilename() const {
+        return relativeFileName;
+    }
+
+    const std::string& AlphaSource() const {
+        return alphaSource;
+    }
+
+    const aiVector2D& UVTranslation() const {
+        return uvTrans;
+    }
+
+    const aiVector2D& UVScaling() const {
+        return uvScaling;
+    }
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    // return a 4-tuple
+    const unsigned int* Crop() const {
+        return crop;
+    }
+
+    const Video* Media() const {
+        return media;
+    }
+
+private:
+    aiVector2D uvTrans;
+    aiVector2D uvScaling;
+
+    std::string type;
+    std::string relativeFileName;
+    std::string fileName;
+    std::string alphaSource;
+    std::shared_ptr<const PropertyTable> props;
+
+    unsigned int crop[4];
+
+    const Video* media;
+};
+
+/** DOM class for layered FBX textures */
+class LayeredTexture : public Object {
+public:
+    LayeredTexture(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+    virtual ~LayeredTexture();
+
+    // Can only be called after construction of the layered texture object due to construction flag.
+    void fillTexture(const Document& doc);
+
+    enum BlendMode {
+        BlendMode_Translucent,
+        BlendMode_Additive,
+        BlendMode_Modulate,
+        BlendMode_Modulate2,
+        BlendMode_Over,
+        BlendMode_Normal,
+        BlendMode_Dissolve,
+        BlendMode_Darken,
+        BlendMode_ColorBurn,
+        BlendMode_LinearBurn,
+        BlendMode_DarkerColor,
+        BlendMode_Lighten,
+        BlendMode_Screen,
+        BlendMode_ColorDodge,
+        BlendMode_LinearDodge,
+        BlendMode_LighterColor,
+        BlendMode_SoftLight,
+        BlendMode_HardLight,
+        BlendMode_VividLight,
+        BlendMode_LinearLight,
+        BlendMode_PinLight,
+        BlendMode_HardMix,
+        BlendMode_Difference,
+        BlendMode_Exclusion,
+        BlendMode_Subtract,
+        BlendMode_Divide,
+        BlendMode_Hue,
+        BlendMode_Saturation,
+        BlendMode_Color,
+        BlendMode_Luminosity,
+        BlendMode_Overlay,
+        BlendMode_BlendModeCount
+    };
+
+    const Texture* getTexture(int index=0) const
+    {
+		return textures[index];
+
+    }
+	int textureCount() const {
+		return static_cast<int>(textures.size());
+	}
+    BlendMode GetBlendMode() const
+    {
+        return blendMode;
+    }
+    float Alpha()
+    {
+        return alpha;
+    }
+private:
+	std::vector<const Texture*> textures;
+    BlendMode blendMode;
+    float alpha;
+};
+
+typedef std::fbx_unordered_map<std::string, const Texture*> TextureMap;
+typedef std::fbx_unordered_map<std::string, const LayeredTexture*> LayeredTextureMap;
+
+
+/** DOM class for generic FBX videos */
+class Video : public Object {
+public:
+    Video(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Video();
+
+    const std::string& Type() const {
+        return type;
+    }
+
+    const std::string& FileName() const {
+        return fileName;
+    }
+
+    const std::string& RelativeFilename() const {
+        return relativeFileName;
+    }
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    const uint8_t* Content() const {
+        ai_assert(content);
+        return content;
+    }
+
+    uint32_t ContentLength() const {
+        return contentLength;
+    }
+
+    uint8_t* RelinquishContent() {
+        uint8_t* ptr = content;
+        content = 0;
+        return ptr;
+    }
+
+private:
+    std::string type;
+    std::string relativeFileName;
+    std::string fileName;
+    std::shared_ptr<const PropertyTable> props;
+
+    uint32_t contentLength;
+    uint8_t* content;
+};
+
+/** DOM class for generic FBX materials */
+class Material : public Object {
+public:
+    Material(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Material();
+
+    const std::string& GetShadingModel() const {
+        return shading;
+    }
+
+    bool IsMultilayer() const {
+        return multilayer;
+    }
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    const TextureMap& Textures() const {
+        return textures;
+    }
+
+    const LayeredTextureMap& LayeredTextures() const {
+        return layeredTextures;
+    }
+
+private:
+    std::string shading;
+    bool multilayer;
+    std::shared_ptr<const PropertyTable> props;
+
+    TextureMap textures;
+    LayeredTextureMap layeredTextures;
+};
+
+typedef std::vector<int64_t> KeyTimeList;
+typedef std::vector<float> KeyValueList;
+
+/** Represents a FBX animation curve (i.e. a 1-dimensional set of keyframes and values therefor) */
+class AnimationCurve : public Object {
+public:
+    AnimationCurve(uint64_t id, const Element& element, const std::string& name, const Document& doc);
+    virtual ~AnimationCurve();
+
+    /** get list of keyframe positions (time).
+     *  Invariant: |GetKeys()| > 0 */
+    const KeyTimeList& GetKeys() const {
+        return keys;
+    }
+
+    /** get list of keyframe values.
+      * Invariant: |GetKeys()| == |GetValues()| && |GetKeys()| > 0*/
+    const KeyValueList& GetValues() const {
+        return values;
+    }
+
+    const std::vector<float>& GetAttributes() const {
+        return attributes;
+    }
+
+    const std::vector<unsigned int>& GetFlags() const {
+        return flags;
+    }
+
+private:
+    KeyTimeList keys;
+    KeyValueList values;
+    std::vector<float> attributes;
+    std::vector<unsigned int> flags;
+};
+
+// property-name -> animation curve
+typedef std::map<std::string, const AnimationCurve*> AnimationCurveMap;
+
+/** Represents a FBX animation curve (i.e. a mapping from single animation curves to nodes) */
+class AnimationCurveNode : public Object {
+public:
+    /* the optional white list specifies a list of property names for which the caller
+    wants animations for. If the curve node does not match one of these, std::range_error
+    will be thrown. */
+    AnimationCurveNode(uint64_t id, const Element& element, const std::string& name, const Document& doc,
+        const char* const * target_prop_whitelist = NULL, size_t whitelist_size = 0);
+
+    virtual ~AnimationCurveNode();
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+
+    const AnimationCurveMap& Curves() const;
+
+    /** Object the curve is assigned to, this can be NULL if the
+     *  target object has no DOM representation or could not
+     *  be read for other reasons.*/
+    const Object* Target() const {
+        return target;
+    }
+
+    const Model* TargetAsModel() const {
+        return dynamic_cast<const Model*>(target);
+    }
+
+    const NodeAttribute* TargetAsNodeAttribute() const {
+        return dynamic_cast<const NodeAttribute*>(target);
+    }
+
+    /** Property of Target() that is being animated*/
+    const std::string& TargetProperty() const {
+        return prop;
+    }
+
+private:
+    const Object* target;
+    std::shared_ptr<const PropertyTable> props;
+    mutable AnimationCurveMap curves;
+
+    std::string prop;
+    const Document& doc;
+};
+
+typedef std::vector<const AnimationCurveNode*> AnimationCurveNodeList;
+
+/** Represents a FBX animation layer (i.e. a list of node animations) */
+class AnimationLayer : public Object {
+public:
+    AnimationLayer(uint64_t id, const Element& element, const std::string& name, const Document& doc);
+    virtual ~AnimationLayer();
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    /* the optional white list specifies a list of property names for which the caller
+    wants animations for. Curves not matching this list will not be added to the
+    animation layer. */
+    AnimationCurveNodeList Nodes(const char* const * target_prop_whitelist = nullptr, size_t whitelist_size = 0) const;
+
+private:
+    std::shared_ptr<const PropertyTable> props;
+    const Document& doc;
+};
+
+typedef std::vector<const AnimationLayer*> AnimationLayerList;
+
+/** Represents a FBX animation stack (i.e. a list of animation layers) */
+class AnimationStack : public Object {
+public:
+    AnimationStack(uint64_t id, const Element& element, const std::string& name, const Document& doc);
+    virtual ~AnimationStack();
+
+    fbx_simple_property(LocalStart, int64_t, 0L)
+    fbx_simple_property(LocalStop, int64_t, 0L)
+    fbx_simple_property(ReferenceStart, int64_t, 0L)
+    fbx_simple_property(ReferenceStop, int64_t, 0L)
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    const AnimationLayerList& Layers() const {
+        return layers;
+    }
+
+private:
+    std::shared_ptr<const PropertyTable> props;
+    AnimationLayerList layers;
+};
+
+
+/** DOM class for deformers */
+class Deformer : public Object {
+public:
+    Deformer(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+    virtual ~Deformer();
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+private:
+    std::shared_ptr<const PropertyTable> props;
+};
+
+typedef std::vector<float> WeightArray;
+typedef std::vector<unsigned int> WeightIndexArray;
+
+
+/** DOM class for BlendShapeChannel deformers */
+class BlendShapeChannel : public Deformer {
+public:
+    BlendShapeChannel(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~BlendShapeChannel();
+
+    float DeformPercent() const {
+        return percent;
+    }
+
+    const WeightArray& GetFullWeights() const {
+        return fullWeights;
+    }
+
+    const std::vector<const ShapeGeometry*>& GetShapeGeometries() const {
+        return shapeGeometries;
+    }
+
+private:
+    float percent;
+    WeightArray fullWeights;
+    std::vector<const ShapeGeometry*> shapeGeometries;
+};
+
+/** DOM class for BlendShape deformers */
+class BlendShape : public Deformer {
+public:
+    BlendShape(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~BlendShape();
+
+    const std::vector<const BlendShapeChannel*>& BlendShapeChannels() const {
+        return blendShapeChannels;
+    }
+
+private:
+    std::vector<const BlendShapeChannel*> blendShapeChannels;
+};
+
+/** DOM class for skin deformer clusters (aka sub-deformers) */
+class Cluster : public Deformer {
+public:
+    Cluster(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Cluster();
+
+    /** get the list of deformer weights associated with this cluster.
+     *  Use #GetIndices() to get the associated vertices. Both arrays
+     *  have the same size (and may also be empty). */
+    const WeightArray& GetWeights() const {
+        return weights;
+    }
+
+    /** get indices into the vertex data of the geometry associated
+     *  with this cluster. Use #GetWeights() to get the associated weights.
+     *  Both arrays have the same size (and may also be empty). */
+    const WeightIndexArray& GetIndices() const {
+        return indices;
+    }
+
+    /** */
+    const aiMatrix4x4& Transform() const {
+        return transform;
+    }
+
+    const aiMatrix4x4& TransformLink() const {
+        return transformLink;
+    }
+
+    const Model* TargetNode() const {
+        return node;
+    }
+
+private:
+    WeightArray weights;
+    WeightIndexArray indices;
+
+    aiMatrix4x4 transform;
+    aiMatrix4x4 transformLink;
+
+    const Model* node;
+};
+
+/** DOM class for skin deformers */
+class Skin : public Deformer {
+public:
+    Skin(uint64_t id, const Element& element, const Document& doc, const std::string& name);
+
+    virtual ~Skin();
+
+    float DeformAccuracy() const {
+        return accuracy;
+    }
+
+    const std::vector<const Cluster*>& Clusters() const {
+        return clusters;
+    }
+
+private:
+    float accuracy;
+    std::vector<const Cluster*> clusters;
+};
+
+/** Represents a link between two FBX objects. */
+class Connection {
+public:
+    Connection(uint64_t insertionOrder,  uint64_t src, uint64_t dest, const std::string& prop, const Document& doc);
+
+    ~Connection();
+
+    // note: a connection ensures that the source and dest objects exist, but
+    // not that they have DOM representations, so the return value of one of
+    // these functions can still be NULL.
+    const Object* SourceObject() const;
+    const Object* DestinationObject() const;
+
+    // these, however, are always guaranteed to be valid
+    LazyObject& LazySourceObject() const;
+    LazyObject& LazyDestinationObject() const;
+
+
+    /** return the name of the property the connection is attached to.
+      * this is an empty string for object to object (OO) connections. */
+    const std::string& PropertyName() const {
+        return prop;
+    }
+
+    uint64_t InsertionOrder() const {
+        return insertionOrder;
+    }
+
+    int CompareTo(const Connection* c) const {
+        ai_assert( nullptr != c );
+
+        // note: can't subtract because this would overflow uint64_t
+        if(InsertionOrder() > c->InsertionOrder()) {
+            return 1;
+        }
+        else if(InsertionOrder() < c->InsertionOrder()) {
+            return -1;
+        }
+        return 0;
+    }
+
+    bool Compare(const Connection* c) const {
+        ai_assert( nullptr != c );
+
+        return InsertionOrder() < c->InsertionOrder();
+    }
+
+public:
+    uint64_t insertionOrder;
+    const std::string prop;
+
+    uint64_t src, dest;
+    const Document& doc;
+};
+
+// XXX again, unique_ptr would be useful. shared_ptr is too
+// bloated since the objects have a well-defined single owner
+// during their entire lifetime (Document). FBX files have
+// up to many thousands of objects (most of which we never use),
+// so the memory overhead for them should be kept at a minimum.
+typedef std::map<uint64_t, LazyObject*> ObjectMap;
+typedef std::fbx_unordered_map<std::string, std::shared_ptr<const PropertyTable> > PropertyTemplateMap;
+
+typedef std::multimap<uint64_t, const Connection*> ConnectionMap;
+
+/** DOM class for global document settings, a single instance per document can
+ *  be accessed via Document.Globals(). */
+class FileGlobalSettings {
+public:
+    FileGlobalSettings(const Document& doc, std::shared_ptr<const PropertyTable> props);
+
+    ~FileGlobalSettings();
+
+    const PropertyTable& Props() const {
+        ai_assert(props.get());
+        return *props.get();
+    }
+
+    const Document& GetDocument() const {
+        return doc;
+    }
+
+    fbx_simple_property(UpAxis, int, 1)
+    fbx_simple_property(UpAxisSign, int, 1)
+    fbx_simple_property(FrontAxis, int, 2)
+    fbx_simple_property(FrontAxisSign, int, 1)
+    fbx_simple_property(CoordAxis, int, 0)
+    fbx_simple_property(CoordAxisSign, int, 1)
+    fbx_simple_property(OriginalUpAxis, int, 0)
+    fbx_simple_property(OriginalUpAxisSign, int, 1)
+    fbx_simple_property(UnitScaleFactor, float, 1)
+    fbx_simple_property(OriginalUnitScaleFactor, float, 1)
+    fbx_simple_property(AmbientColor, aiVector3D, aiVector3D(0,0,0))
+    fbx_simple_property(DefaultCamera, std::string, "")
+
+
+    enum FrameRate {
+        FrameRate_DEFAULT = 0,
+        FrameRate_120 = 1,
+        FrameRate_100 = 2,
+        FrameRate_60 = 3,
+        FrameRate_50 = 4,
+        FrameRate_48 = 5,
+        FrameRate_30 = 6,
+        FrameRate_30_DROP = 7,
+        FrameRate_NTSC_DROP_FRAME = 8,
+        FrameRate_NTSC_FULL_FRAME = 9,
+        FrameRate_PAL = 10,
+        FrameRate_CINEMA = 11,
+        FrameRate_1000 = 12,
+        FrameRate_CINEMA_ND = 13,
+        FrameRate_CUSTOM = 14,
+
+        FrameRate_MAX// end-of-enum sentinel
+    };
+
+    fbx_simple_enum_property(TimeMode, FrameRate, FrameRate_DEFAULT)
+    fbx_simple_property(TimeSpanStart, uint64_t, 0L)
+    fbx_simple_property(TimeSpanStop, uint64_t, 0L)
+    fbx_simple_property(CustomFrameRate, float, -1.0f)
+
+private:
+    std::shared_ptr<const PropertyTable> props;
+    const Document& doc;
+};
+
+/** DOM root for a FBX file */
+class Document {
+public:
+    Document(const Parser& parser, const ImportSettings& settings);
+
+    ~Document();
+
+    LazyObject* GetObject(uint64_t id) const;
+
+    bool IsBinary() const {
+        return parser.IsBinary();
+    }
+
+    unsigned int FBXVersion() const {
+        return fbxVersion;
+    }
+
+    const std::string& Creator() const {
+        return creator;
+    }
+
+    // elements (in this order): Year, Month, Day, Hour, Second, Millisecond
+    const unsigned int* CreationTimeStamp() const {
+        return creationTimeStamp;
+    }
+
+    const FileGlobalSettings& GlobalSettings() const {
+        ai_assert(globals.get());
+        return *globals.get();
+    }
+
+    const PropertyTemplateMap& Templates() const {
+        return templates;
+    }
+
+    const ObjectMap& Objects() const {
+        return objects;
+    }
+
+    const ImportSettings& Settings() const {
+        return settings;
+    }
+
+    const ConnectionMap& ConnectionsBySource() const {
+        return src_connections;
+    }
+
+    const ConnectionMap& ConnectionsByDestination() const {
+        return dest_connections;
+    }
+
+    // note: the implicit rule in all DOM classes is to always resolve
+    // from destination to source (since the FBX object hierarchy is,
+    // with very few exceptions, a DAG, this avoids cycles). In all
+    // cases that may involve back-facing edges in the object graph,
+    // use LazyObject::IsBeingConstructed() to check.
+
+    std::vector<const Connection*> GetConnectionsBySourceSequenced(uint64_t source) const;
+    std::vector<const Connection*> GetConnectionsByDestinationSequenced(uint64_t dest) const;
+
+    std::vector<const Connection*> GetConnectionsBySourceSequenced(uint64_t source, const char* classname) const;
+    std::vector<const Connection*> GetConnectionsByDestinationSequenced(uint64_t dest, const char* classname) const;
+
+    std::vector<const Connection*> GetConnectionsBySourceSequenced(uint64_t source,
+        const char* const* classnames, size_t count) const;
+    std::vector<const Connection*> GetConnectionsByDestinationSequenced(uint64_t dest,
+        const char* const* classnames,
+        size_t count) const;
+
+    const std::vector<const AnimationStack*>& AnimationStacks() const;
+
+private:
+    std::vector<const Connection*> GetConnectionsSequenced(uint64_t id, const ConnectionMap&) const;
+    std::vector<const Connection*> GetConnectionsSequenced(uint64_t id, bool is_src,
+        const ConnectionMap&,
+        const char* const* classnames,
+        size_t count) const;
+    void ReadHeader();
+    void ReadObjects();
+    void ReadPropertyTemplates();
+    void ReadConnections();
+    void ReadGlobalSettings();
+
+private:
+    const ImportSettings& settings;
+
+    ObjectMap objects;
+    const Parser& parser;
+
+    PropertyTemplateMap templates;
+    ConnectionMap src_connections;
+    ConnectionMap dest_connections;
+
+    unsigned int fbxVersion;
+    std::string creator;
+    unsigned int creationTimeStamp[7];
+
+    std::vector<uint64_t> animationStacks;
+    mutable std::vector<const AnimationStack*> animationStacksResolved;
+
+    std::unique_ptr<FileGlobalSettings> globals;
+};
+
+} // Namespace FBX
+} // Namespace Assimp
+
+#endif // INCLUDED_AI_FBX_DOCUMENT_H
diff --git a/thirdparty/assimp/code/FBXDocumentUtil.cpp b/thirdparty/assimp/code/FBXDocumentUtil.cpp
new file mode 100644
index 0000000000..f84691479a
--- /dev/null
+++ b/thirdparty/assimp/code/FBXDocumentUtil.cpp
@@ -0,0 +1,135 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXDocumentUtil.cpp
+ *  @brief Implementation of the FBX DOM utility functions declared in FBXDocumentUtil.h
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXUtil.h"
+#include "FBXDocumentUtil.h"
+#include "FBXProperties.h"
+
+
+namespace Assimp {
+namespace FBX {
+namespace Util {
+
+// ------------------------------------------------------------------------------------------------
+// signal DOM construction error, this is always unrecoverable. Throws DeadlyImportError.
+void DOMError(const std::string& message, const Token& token)
+{
+    throw DeadlyImportError(Util::AddTokenText("FBX-DOM",message,&token));
+}
+
+// ------------------------------------------------------------------------------------------------
+void DOMError(const std::string& message, const Element* element /*= NULL*/)
+{
+    if(element) {
+        DOMError(message,element->KeyToken());
+    }
+    throw DeadlyImportError("FBX-DOM " + message);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// print warning, do return
+void DOMWarning(const std::string& message, const Token& token)
+{
+    if(DefaultLogger::get()) {
+        ASSIMP_LOG_WARN(Util::AddTokenText("FBX-DOM",message,&token));
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void DOMWarning(const std::string& message, const Element* element /*= NULL*/)
+{
+    if(element) {
+        DOMWarning(message,element->KeyToken());
+        return;
+    }
+    if(DefaultLogger::get()) {
+        ASSIMP_LOG_WARN("FBX-DOM: " + message);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// fetch a property table and the corresponding property template
+std::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
+    const std::string& templateName,
+    const Element &element,
+    const Scope& sc,
+    bool no_warn /*= false*/)
+{
+    const Element* const Properties70 = sc["Properties70"];
+    std::shared_ptr<const PropertyTable> templateProps = std::shared_ptr<const PropertyTable>(
+        static_cast<const PropertyTable*>(NULL));
+
+    if(templateName.length()) {
+        PropertyTemplateMap::const_iterator it = doc.Templates().find(templateName);
+        if(it != doc.Templates().end()) {
+            templateProps = (*it).second;
+        }
+    }
+
+    if(!Properties70 || !Properties70->Compound()) {
+        if(!no_warn) {
+            DOMWarning("property table (Properties70) not found",&element);
+        }
+        if(templateProps) {
+            return templateProps;
+        }
+        else {
+            return std::make_shared<const PropertyTable>();
+        }
+    }
+    return std::make_shared<const PropertyTable>(*Properties70,templateProps);
+}
+} // !Util
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXDocumentUtil.h b/thirdparty/assimp/code/FBXDocumentUtil.h
new file mode 100644
index 0000000000..2450109e59
--- /dev/null
+++ b/thirdparty/assimp/code/FBXDocumentUtil.h
@@ -0,0 +1,120 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2012, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXDocumentUtil.h
+ *  @brief FBX internal utilities used by the DOM reading code
+ */
+#ifndef INCLUDED_AI_FBX_DOCUMENT_UTIL_H
+#define INCLUDED_AI_FBX_DOCUMENT_UTIL_H
+
+#include <assimp/defs.h>
+#include <string>
+#include <memory>
+#include "FBXDocument.h"
+
+struct Token;
+struct Element;
+
+namespace Assimp {
+namespace FBX {
+namespace Util {
+
+/* DOM/Parse error reporting - does not return */
+AI_WONT_RETURN void DOMError(const std::string& message, const Token& token) AI_WONT_RETURN_SUFFIX;
+AI_WONT_RETURN void DOMError(const std::string& message, const Element* element = NULL) AI_WONT_RETURN_SUFFIX;
+
+// does return
+void DOMWarning(const std::string& message, const Token& token);
+void DOMWarning(const std::string& message, const Element* element = NULL);
+
+
+// fetch a property table and the corresponding property template
+std::shared_ptr<const PropertyTable> GetPropertyTable(const Document& doc,
+    const std::string& templateName,
+    const Element &element,
+    const Scope& sc,
+    bool no_warn = false);
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline
+const T* ProcessSimpleConnection(const Connection& con,
+    bool is_object_property_conn,
+    const char* name,
+    const Element& element,
+    const char** propNameOut = nullptr)
+{
+    if (is_object_property_conn && !con.PropertyName().length()) {
+        DOMWarning("expected incoming " + std::string(name) +
+            " link to be an object-object connection, ignoring",
+            &element
+            );
+        return nullptr;
+    }
+    else if (!is_object_property_conn && con.PropertyName().length()) {
+        DOMWarning("expected incoming " + std::string(name) +
+            " link to be an object-property connection, ignoring",
+            &element
+            );
+        return nullptr;
+    }
+
+    if(is_object_property_conn && propNameOut) {
+        // note: this is ok, the return value of PropertyValue() is guaranteed to
+        // remain valid and unchanged as long as the document exists.
+        *propNameOut = con.PropertyName().c_str();
+    }
+
+    const Object* const ob = con.SourceObject();
+    if(!ob) {
+        DOMWarning("failed to read source object for incoming " + std::string(name) +
+            " link, ignoring",
+            &element);
+        return nullptr;
+    }
+
+    return dynamic_cast<const T*>(ob);
+}
+
+} //!Util
+} //!FBX
+} //!Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXExportNode.cpp b/thirdparty/assimp/code/FBXExportNode.cpp
new file mode 100644
index 0000000000..e5215466a1
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExportNode.cpp
@@ -0,0 +1,568 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExportNode.h"
+#include "FBXCommon.h"
+
+#include <assimp/StreamWriter.h> // StreamWriterLE
+#include <assimp/Exceptional.h> // DeadlyExportError
+#include <assimp/ai_assert.h>
+#include <assimp/StringUtils.h> // ai_snprintf
+
+#include <string>
+#include <ostream>
+#include <sstream> // ostringstream
+#include <memory> // shared_ptr
+
+// AddP70<type> helpers... there's no usable pattern here,
+// so all are defined as separate functions.
+// Even "animatable" properties are often completely different
+// from the standard (nonanimated) property definition,
+// so they are specified with an 'A' suffix.
+
+void FBX::Node::AddP70int(
+    const std::string& name, int32_t value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "int", "Integer", "", value);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70bool(
+    const std::string& name, bool value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "bool", "", "", int32_t(value));
+    AddChild(n);
+}
+
+void FBX::Node::AddP70double(
+    const std::string& name, double value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "double", "Number", "", value);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70numberA(
+    const std::string& name, double value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "Number", "", "A", value);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70color(
+    const std::string& name, double r, double g, double b
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "ColorRGB", "Color", "", r, g, b);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70colorA(
+    const std::string& name, double r, double g, double b
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "Color", "", "A", r, g, b);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70vector(
+    const std::string& name, double x, double y, double z
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "Vector3D", "Vector", "", x, y, z);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70vectorA(
+    const std::string& name, double x, double y, double z
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "Vector", "", "A", x, y, z);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70string(
+    const std::string& name, const std::string& value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "KString", "", "", value);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70enum(
+    const std::string& name, int32_t value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "enum", "", "", value);
+    AddChild(n);
+}
+
+void FBX::Node::AddP70time(
+    const std::string& name, int64_t value
+) {
+    FBX::Node n("P");
+    n.AddProperties(name, "KTime", "Time", "", value);
+    AddChild(n);
+}
+
+
+// public member functions for writing nodes to stream
+
+void FBX::Node::Dump(
+    std::shared_ptr<Assimp::IOStream> outfile,
+    bool binary, int indent
+) {
+    if (binary) {
+        Assimp::StreamWriterLE outstream(outfile);
+        DumpBinary(outstream);
+    } else {
+        std::ostringstream ss;
+        DumpAscii(ss, indent);
+        std::string s = ss.str();
+        outfile->Write(s.c_str(), s.size(), 1);
+    }
+}
+
+void FBX::Node::Dump(
+    Assimp::StreamWriterLE &outstream,
+    bool binary, int indent
+) {
+    if (binary) {
+        DumpBinary(outstream);
+    } else {
+        std::ostringstream ss;
+        DumpAscii(ss, indent);
+        outstream.PutString(ss.str());
+    }
+}
+
+
+// public member functions for low-level writing
+
+void FBX::Node::Begin(
+    Assimp::StreamWriterLE &s,
+    bool binary, int indent
+) {
+    if (binary) {
+        BeginBinary(s);
+    } else {
+        // assume we're at the correct place to start already
+        (void)indent;
+        std::ostringstream ss;
+        BeginAscii(ss, indent);
+        s.PutString(ss.str());
+    }
+}
+
+void FBX::Node::DumpProperties(
+    Assimp::StreamWriterLE& s,
+    bool binary, int indent
+) {
+    if (binary) {
+        DumpPropertiesBinary(s);
+    } else {
+        std::ostringstream ss;
+        DumpPropertiesAscii(ss, indent);
+        s.PutString(ss.str());
+    }
+}
+
+void FBX::Node::EndProperties(
+    Assimp::StreamWriterLE &s,
+    bool binary, int indent
+) {
+    EndProperties(s, binary, indent, properties.size());
+}
+
+void FBX::Node::EndProperties(
+    Assimp::StreamWriterLE &s,
+    bool binary, int indent,
+    size_t num_properties
+) {
+    if (binary) {
+        EndPropertiesBinary(s, num_properties);
+    } else {
+        // nothing to do
+        (void)indent;
+    }
+}
+
+void FBX::Node::BeginChildren(
+    Assimp::StreamWriterLE &s,
+    bool binary, int indent
+) {
+    if (binary) {
+        // nothing to do
+    } else {
+        std::ostringstream ss;
+        BeginChildrenAscii(ss, indent);
+        s.PutString(ss.str());
+    }
+}
+
+void FBX::Node::DumpChildren(
+    Assimp::StreamWriterLE& s,
+    bool binary, int indent
+) {
+    if (binary) {
+        DumpChildrenBinary(s);
+    } else {
+        std::ostringstream ss;
+        DumpChildrenAscii(ss, indent);
+        s.PutString(ss.str());
+    }
+}
+
+void FBX::Node::End(
+    Assimp::StreamWriterLE &s,
+    bool binary, int indent,
+    bool has_children
+) {
+    if (binary) {
+        EndBinary(s, has_children);
+    } else {
+        std::ostringstream ss;
+        EndAscii(ss, indent, has_children);
+        s.PutString(ss.str());
+    }
+}
+
+
+// public member functions for writing to binary fbx
+
+void FBX::Node::DumpBinary(Assimp::StreamWriterLE &s)
+{
+    // write header section (with placeholders for some things)
+    BeginBinary(s);
+
+    // write properties
+    DumpPropertiesBinary(s);
+
+    // go back and fill in property related placeholders
+    EndPropertiesBinary(s, properties.size());
+
+    // write children
+    DumpChildrenBinary(s);
+
+    // finish, filling in end offset placeholder
+    EndBinary(s, force_has_children || !children.empty());
+}
+
+
+// public member functions for writing to ascii fbx
+
+void FBX::Node::DumpAscii(std::ostream &s, int indent)
+{
+    // write name
+    BeginAscii(s, indent);
+
+    // write properties
+    DumpPropertiesAscii(s, indent);
+
+    if (force_has_children || !children.empty()) {
+        // begin children (with a '{')
+        BeginChildrenAscii(s, indent + 1);
+        // write children
+        DumpChildrenAscii(s, indent + 1);
+    }
+
+    // finish (also closing the children bracket '}')
+    EndAscii(s, indent, force_has_children || !children.empty());
+}
+
+
+// private member functions for low-level writing to fbx
+
+void FBX::Node::BeginBinary(Assimp::StreamWriterLE &s)
+{
+    // remember start pos so we can come back and write the end pos
+    this->start_pos = s.Tell();
+
+    // placeholders for end pos and property section info
+    s.PutU4(0); // end pos
+    s.PutU4(0); // number of properties
+    s.PutU4(0); // total property section length
+
+    // node name
+    s.PutU1(uint8_t(name.size())); // length of node name
+    s.PutString(name); // node name as raw bytes
+
+    // property data comes after here
+    this->property_start = s.Tell();
+}
+
+void FBX::Node::DumpPropertiesBinary(Assimp::StreamWriterLE& s)
+{
+    for (auto &p : properties) {
+        p.DumpBinary(s);
+    }
+}
+
+void FBX::Node::EndPropertiesBinary(
+    Assimp::StreamWriterLE &s,
+    size_t num_properties
+) {
+    if (num_properties == 0) { return; }
+    size_t pos = s.Tell();
+    ai_assert(pos > property_start);
+    size_t property_section_size = pos - property_start;
+    s.Seek(start_pos + 4);
+    s.PutU4(uint32_t(num_properties));
+    s.PutU4(uint32_t(property_section_size));
+    s.Seek(pos);
+}
+
+void FBX::Node::DumpChildrenBinary(Assimp::StreamWriterLE& s)
+{
+    for (FBX::Node& child : children) {
+        child.DumpBinary(s);
+    }
+}
+
+void FBX::Node::EndBinary(
+    Assimp::StreamWriterLE &s,
+    bool has_children
+) {
+    // if there were children, add a null record
+    if (has_children) { s.PutString(FBX::NULL_RECORD); }
+
+    // now go back and write initial pos
+    this->end_pos = s.Tell();
+    s.Seek(start_pos);
+    s.PutU4(uint32_t(end_pos));
+    s.Seek(end_pos);
+}
+
+
+void FBX::Node::BeginAscii(std::ostream& s, int indent)
+{
+    s << '\n';
+    for (int i = 0; i < indent; ++i) { s << '\t'; }
+    s << name << ": ";
+}
+
+void FBX::Node::DumpPropertiesAscii(std::ostream &s, int indent)
+{
+    for (size_t i = 0; i < properties.size(); ++i) {
+        if (i > 0) { s << ", "; }
+        properties[i].DumpAscii(s, indent);
+    }
+}
+
+void FBX::Node::BeginChildrenAscii(std::ostream& s, int indent)
+{
+    // only call this if there are actually children
+    s << " {";
+    (void)indent;
+}
+
+void FBX::Node::DumpChildrenAscii(std::ostream& s, int indent)
+{
+    // children will need a lot of padding and corralling
+    if (children.size() || force_has_children) {
+        for (size_t i = 0; i < children.size(); ++i) {
+            // no compression in ascii files, so skip this node if it exists
+            if (children[i].name == "EncryptionType") { continue; }
+            // the child can dump itself
+            children[i].DumpAscii(s, indent);
+        }
+    }
+}
+
+void FBX::Node::EndAscii(std::ostream& s, int indent, bool has_children)
+{
+    if (!has_children) { return; } // nothing to do
+    s << '\n';
+    for (int i = 0; i < indent; ++i) { s << '\t'; }
+    s << "}";
+}
+
+// private helpers for static member functions
+
+// ascii property node from vector of doubles
+void FBX::Node::WritePropertyNodeAscii(
+    const std::string& name,
+    const std::vector<double>& v,
+    Assimp::StreamWriterLE& s,
+    int indent
+){
+    char buffer[32];
+    FBX::Node node(name);
+    node.Begin(s, false, indent);
+    std::string vsize = to_string(v.size());
+    // *<size> {
+    s.PutChar('*'); s.PutString(vsize); s.PutString(" {\n");
+    // indent + 1
+    for (int i = 0; i < indent + 1; ++i) { s.PutChar('\t'); }
+    // a: value,value,value,...
+    s.PutString("a: ");
+    int count = 0;
+    for (size_t i = 0; i < v.size(); ++i) {
+        if (i > 0) { s.PutChar(','); }
+        int len = ai_snprintf(buffer, sizeof(buffer), "%f", v[i]);
+        count += len;
+        if (count > 2048) { s.PutChar('\n'); count = 0; }
+        if (len < 0 || len > 31) {
+            // this should never happen
+            throw DeadlyExportError("failed to convert double to string");
+        }
+        for (int j = 0; j < len; ++j) { s.PutChar(buffer[j]); }
+    }
+    // }
+    s.PutChar('\n');
+    for (int i = 0; i < indent; ++i) { s.PutChar('\t'); }
+    s.PutChar('}'); s.PutChar(' ');
+    node.End(s, false, indent, false);
+}
+
+// ascii property node from vector of int32_t
+void FBX::Node::WritePropertyNodeAscii(
+    const std::string& name,
+    const std::vector<int32_t>& v,
+    Assimp::StreamWriterLE& s,
+    int indent
+){
+    char buffer[32];
+    FBX::Node node(name);
+    node.Begin(s, false, indent);
+    std::string vsize = to_string(v.size());
+    // *<size> {
+    s.PutChar('*'); s.PutString(vsize); s.PutString(" {\n");
+    // indent + 1
+    for (int i = 0; i < indent + 1; ++i) { s.PutChar('\t'); }
+    // a: value,value,value,...
+    s.PutString("a: ");
+    int count = 0;
+    for (size_t i = 0; i < v.size(); ++i) {
+        if (i > 0) { s.PutChar(','); }
+        int len = ai_snprintf(buffer, sizeof(buffer), "%d", v[i]);
+        count += len;
+        if (count > 2048) { s.PutChar('\n'); count = 0; }
+        if (len < 0 || len > 31) {
+            // this should never happen
+            throw DeadlyExportError("failed to convert double to string");
+        }
+        for (int j = 0; j < len; ++j) { s.PutChar(buffer[j]); }
+    }
+    // }
+    s.PutChar('\n');
+    for (int i = 0; i < indent; ++i) { s.PutChar('\t'); }
+    s.PutChar('}'); s.PutChar(' ');
+    node.End(s, false, indent, false);
+}
+
+// binary property node from vector of doubles
+// TODO: optional zip compression!
+void FBX::Node::WritePropertyNodeBinary(
+    const std::string& name,
+    const std::vector<double>& v,
+    Assimp::StreamWriterLE& s
+){
+    FBX::Node node(name);
+    node.BeginBinary(s);
+    s.PutU1('d');
+    s.PutU4(uint32_t(v.size())); // number of elements
+    s.PutU4(0); // no encoding (1 would be zip-compressed)
+    s.PutU4(uint32_t(v.size()) * 8); // data size
+    for (auto it = v.begin(); it != v.end(); ++it) { s.PutF8(*it); }
+    node.EndPropertiesBinary(s, 1);
+    node.EndBinary(s, false);
+}
+
+// binary property node from vector of int32_t
+// TODO: optional zip compression!
+void FBX::Node::WritePropertyNodeBinary(
+    const std::string& name,
+    const std::vector<int32_t>& v,
+    Assimp::StreamWriterLE& s
+){
+    FBX::Node node(name);
+    node.BeginBinary(s);
+    s.PutU1('i');
+    s.PutU4(uint32_t(v.size())); // number of elements
+    s.PutU4(0); // no encoding (1 would be zip-compressed)
+    s.PutU4(uint32_t(v.size()) * 4); // data size
+    for (auto it = v.begin(); it != v.end(); ++it) { s.PutI4(*it); }
+    node.EndPropertiesBinary(s, 1);
+    node.EndBinary(s, false);
+}
+
+// public static member functions
+
+// convenience function to create and write a property node,
+// holding a single property which is an array of values.
+// does not copy the data, so is efficient for large arrays.
+void FBX::Node::WritePropertyNode(
+    const std::string& name,
+    const std::vector<double>& v,
+    Assimp::StreamWriterLE& s,
+    bool binary, int indent
+){
+    if (binary) {
+        FBX::Node::WritePropertyNodeBinary(name, v, s);
+    } else {
+        FBX::Node::WritePropertyNodeAscii(name, v, s, indent);
+    }
+}
+
+// convenience function to create and write a property node,
+// holding a single property which is an array of values.
+// does not copy the data, so is efficient for large arrays.
+void FBX::Node::WritePropertyNode(
+    const std::string& name,
+    const std::vector<int32_t>& v,
+    Assimp::StreamWriterLE& s,
+    bool binary, int indent
+){
+    if (binary) {
+        FBX::Node::WritePropertyNodeBinary(name, v, s);
+    } else {
+        FBX::Node::WritePropertyNodeAscii(name, v, s, indent);
+    }
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+#endif // ASSIMP_BUILD_NO_EXPORT
diff --git a/thirdparty/assimp/code/FBXExportNode.h b/thirdparty/assimp/code/FBXExportNode.h
new file mode 100644
index 0000000000..e1ebc36969
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExportNode.h
@@ -0,0 +1,271 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FBXExportNode.h
+* Declares the FBX::Node helper class for fbx export.
+*/
+#ifndef AI_FBXEXPORTNODE_H_INC
+#define AI_FBXEXPORTNODE_H_INC
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExportProperty.h"
+
+#include <assimp/StreamWriter.h> // StreamWriterLE
+
+#include <string>
+#include <vector>
+
+namespace FBX {
+    class Node;
+}
+
+class FBX::Node
+{
+public: // public data members
+    // TODO: accessors
+    std::string name; // node name
+    std::vector<FBX::Property> properties; // node properties
+    std::vector<FBX::Node> children; // child nodes
+
+    // some nodes always pretend they have children...
+    bool force_has_children = false;
+
+public: // constructors
+    /// The default class constructor.
+    Node() = default;
+
+    /// The class constructor with the name.
+    Node(const std::string& n)
+    : name(n)
+    , properties()
+    , children()
+    , force_has_children( false ) {
+        // empty
+    }
+
+    // convenience template to construct with properties directly
+    template <typename... More>
+    Node(const std::string& n, const More... more)
+    : name(n)
+    , properties()
+    , children()
+    , force_has_children(false) {
+        AddProperties(more...);
+    }
+
+public: // functions to add properties or children
+    // add a single property to the node
+    template <typename T>
+    void AddProperty(T value) {
+        properties.emplace_back(value);
+    }
+
+    // convenience function to add multiple properties at once
+    template <typename T, typename... More>
+    void AddProperties(T value, More... more) {
+        properties.emplace_back(value);
+        AddProperties(more...);
+    }
+    void AddProperties() {}
+
+    // add a child node directly
+    void AddChild(const Node& node) { children.push_back(node); }
+
+    // convenience function to add a child node with a single property
+    template <typename... More>
+    void AddChild(
+        const std::string& name,
+        More... more
+    ) {
+        FBX::Node c(name);
+        c.AddProperties(more...);
+        children.push_back(c);
+    }
+
+public: // support specifically for dealing with Properties70 nodes
+
+    // it really is simpler to make these all separate functions.
+    // the versions with 'A' suffixes are for animatable properties.
+    // those often follow a completely different format internally in FBX.
+    void AddP70int(const std::string& name, int32_t value);
+    void AddP70bool(const std::string& name, bool value);
+    void AddP70double(const std::string& name, double value);
+    void AddP70numberA(const std::string& name, double value);
+    void AddP70color(const std::string& name, double r, double g, double b);
+    void AddP70colorA(const std::string& name, double r, double g, double b);
+    void AddP70vector(const std::string& name, double x, double y, double z);
+    void AddP70vectorA(const std::string& name, double x, double y, double z);
+    void AddP70string(const std::string& name, const std::string& value);
+    void AddP70enum(const std::string& name, int32_t value);
+    void AddP70time(const std::string& name, int64_t value);
+
+    // template for custom P70 nodes.
+    // anything that doesn't fit in the above can be created manually.
+    template <typename... More>
+    void AddP70(
+        const std::string& name,
+        const std::string& type,
+        const std::string& type2,
+        const std::string& flags,
+        More... more
+    ) {
+        Node n("P");
+        n.AddProperties(name, type, type2, flags, more...);
+        AddChild(n);
+    }
+
+public: // member functions for writing data to a file or stream
+
+    // write the full node to the given file or stream
+    void Dump(
+        std::shared_ptr<Assimp::IOStream> outfile,
+        bool binary, int indent
+    );
+    void Dump(Assimp::StreamWriterLE &s, bool binary, int indent);
+
+    // these other functions are for writing data piece by piece.
+    // they must be used carefully.
+    // for usage examples see FBXExporter.cpp.
+    void Begin(Assimp::StreamWriterLE &s, bool binary, int indent);
+    void DumpProperties(Assimp::StreamWriterLE& s, bool binary, int indent);
+    void EndProperties(Assimp::StreamWriterLE &s, bool binary, int indent);
+    void EndProperties(
+        Assimp::StreamWriterLE &s, bool binary, int indent,
+        size_t num_properties
+    );
+    void BeginChildren(Assimp::StreamWriterLE &s, bool binary, int indent);
+    void DumpChildren(Assimp::StreamWriterLE& s, bool binary, int indent);
+    void End(
+        Assimp::StreamWriterLE &s, bool binary, int indent,
+        bool has_children
+    );
+
+private: // internal functions used for writing
+
+    void DumpBinary(Assimp::StreamWriterLE &s);
+    void DumpAscii(Assimp::StreamWriterLE &s, int indent);
+    void DumpAscii(std::ostream &s, int indent);
+
+    void BeginBinary(Assimp::StreamWriterLE &s);
+    void DumpPropertiesBinary(Assimp::StreamWriterLE& s);
+    void EndPropertiesBinary(Assimp::StreamWriterLE &s);
+    void EndPropertiesBinary(Assimp::StreamWriterLE &s, size_t num_properties);
+    void DumpChildrenBinary(Assimp::StreamWriterLE& s);
+    void EndBinary(Assimp::StreamWriterLE &s, bool has_children);
+
+    void BeginAscii(std::ostream &s, int indent);
+    void DumpPropertiesAscii(std::ostream &s, int indent);
+    void BeginChildrenAscii(std::ostream &s, int indent);
+    void DumpChildrenAscii(std::ostream &s, int indent);
+    void EndAscii(std::ostream &s, int indent, bool has_children);
+
+private: // data used for binary dumps
+    size_t start_pos; // starting position in stream
+    size_t end_pos; // ending position in stream
+    size_t property_start; // starting position of property section
+
+public: // static member functions
+
+    // convenience function to create a node with a single property,
+    // and write it to the stream.
+    template <typename T>
+    static void WritePropertyNode(
+        const std::string& name,
+        const T value,
+        Assimp::StreamWriterLE& s,
+        bool binary, int indent
+    ) {
+        FBX::Property p(value);
+        FBX::Node node(name, p);
+        node.Dump(s, binary, indent);
+    }
+
+    // convenience function to create and write a property node,
+    // holding a single property which is an array of values.
+    // does not copy the data, so is efficient for large arrays.
+    static void WritePropertyNode(
+        const std::string& name,
+        const std::vector<double>& v,
+        Assimp::StreamWriterLE& s,
+        bool binary, int indent
+    );
+
+    // convenience function to create and write a property node,
+    // holding a single property which is an array of values.
+    // does not copy the data, so is efficient for large arrays.
+    static void WritePropertyNode(
+        const std::string& name,
+        const std::vector<int32_t>& v,
+        Assimp::StreamWriterLE& s,
+        bool binary, int indent
+    );
+
+private: // static helper functions
+    static void WritePropertyNodeAscii(
+        const std::string& name,
+        const std::vector<double>& v,
+        Assimp::StreamWriterLE& s,
+        int indent
+    );
+    static void WritePropertyNodeAscii(
+        const std::string& name,
+        const std::vector<int32_t>& v,
+        Assimp::StreamWriterLE& s,
+        int indent
+    );
+    static void WritePropertyNodeBinary(
+        const std::string& name,
+        const std::vector<double>& v,
+        Assimp::StreamWriterLE& s
+    );
+    static void WritePropertyNodeBinary(
+        const std::string& name,
+        const std::vector<int32_t>& v,
+        Assimp::StreamWriterLE& s
+    );
+
+};
+
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#endif // AI_FBXEXPORTNODE_H_INC
diff --git a/thirdparty/assimp/code/FBXExportProperty.cpp b/thirdparty/assimp/code/FBXExportProperty.cpp
new file mode 100644
index 0000000000..9981d6b1c6
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExportProperty.cpp
@@ -0,0 +1,364 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExportProperty.h"
+
+#include <assimp/StreamWriter.h> // StreamWriterLE
+#include <assimp/Exceptional.h> // DeadlyExportError
+
+#include <string>
+#include <vector>
+#include <ostream>
+#include <locale>
+#include <sstream> // ostringstream
+
+
+// constructors for single element properties
+
+FBX::Property::Property(bool v)
+    : type('C'), data(1)
+{
+    data = {uint8_t(v)};
+}
+
+FBX::Property::Property(int16_t v) : type('Y'), data(2)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int16_t*>(d))[0] = v;
+}
+
+FBX::Property::Property(int32_t v) : type('I'), data(4)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int32_t*>(d))[0] = v;
+}
+
+FBX::Property::Property(float v) : type('F'), data(4)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<float*>(d))[0] = v;
+}
+
+FBX::Property::Property(double v) : type('D'), data(8)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<double*>(d))[0] = v;
+}
+
+FBX::Property::Property(int64_t v) : type('L'), data(8)
+{
+    uint8_t* d = data.data();
+    (reinterpret_cast<int64_t*>(d))[0] = v;
+}
+
+
+// constructors for array-type properties
+
+FBX::Property::Property(const char* c, bool raw)
+    : Property(std::string(c), raw)
+{}
+
+// strings can either be saved as "raw" (R) data, or "string" (S) data
+FBX::Property::Property(const std::string& s, bool raw)
+    : type(raw ? 'R' : 'S'), data(s.size())
+{
+    for (size_t i = 0; i < s.size(); ++i) {
+        data[i] = uint8_t(s[i]);
+    }
+}
+
+FBX::Property::Property(const std::vector<uint8_t>& r)
+    : type('R'), data(r)
+{}
+
+FBX::Property::Property(const std::vector<int32_t>& va)
+    : type('i'), data(4*va.size())
+{
+    int32_t* d = reinterpret_cast<int32_t*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<int64_t>& va)
+    : type('l'), data(8*va.size())
+{
+    int64_t* d = reinterpret_cast<int64_t*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<float>& va)
+    : type('f'), data(4*va.size())
+{
+    float* d = reinterpret_cast<float*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const std::vector<double>& va)
+    : type('d'), data(8*va.size())
+{
+    double* d = reinterpret_cast<double*>(data.data());
+    for (size_t i = 0; i < va.size(); ++i) { d[i] = va[i]; }
+}
+
+FBX::Property::Property(const aiMatrix4x4& vm)
+    : type('d'), data(8*16)
+{
+    double* d = reinterpret_cast<double*>(data.data());
+    for (unsigned int c = 0; c < 4; ++c) {
+        for (unsigned int r = 0; r < 4; ++r) {
+            d[4*c+r] = vm[r][c];
+        }
+    }
+}
+
+// public member functions
+
+size_t FBX::Property::size()
+{
+    switch (type) {
+    case 'C': case 'Y': case 'I': case 'F': case 'D': case 'L':
+        return data.size() + 1;
+    case 'S': case 'R':
+        return data.size() + 5;
+    case 'i': case 'd':
+        return data.size() + 13;
+    default:
+        throw DeadlyExportError("Requested size on property of unknown type");
+    }
+}
+
+void FBX::Property::DumpBinary(Assimp::StreamWriterLE &s)
+{
+    s.PutU1(type);
+    uint8_t* d = data.data();
+    size_t N;
+    switch (type) {
+    case 'C': s.PutU1(*(reinterpret_cast<uint8_t*>(d))); return;
+    case 'Y': s.PutI2(*(reinterpret_cast<int16_t*>(d))); return;
+    case 'I': s.PutI4(*(reinterpret_cast<int32_t*>(d))); return;
+    case 'F': s.PutF4(*(reinterpret_cast<float*>(d))); return;
+    case 'D': s.PutF8(*(reinterpret_cast<double*>(d))); return;
+    case 'L': s.PutI8(*(reinterpret_cast<int64_t*>(d))); return;
+    case 'S':
+    case 'R':
+        s.PutU4(uint32_t(data.size()));
+        for (size_t i = 0; i < data.size(); ++i) { s.PutU1(data[i]); }
+        return;
+    case 'i':
+        N = data.size() / 4;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutI4((reinterpret_cast<int32_t*>(d))[i]);
+        }
+        return;
+    case 'l':
+        N = data.size() / 8;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutI8((reinterpret_cast<int64_t*>(d))[i]);
+        }
+        return;
+    case 'f':
+        N = data.size() / 4;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutF4((reinterpret_cast<float*>(d))[i]);
+        }
+        return;
+    case 'd':
+        N = data.size() / 8;
+        s.PutU4(uint32_t(N)); // number of elements
+        s.PutU4(0); // no encoding (1 would be zip-compressed)
+        // TODO: compress if large?
+        s.PutU4(uint32_t(data.size())); // data size
+        for (size_t i = 0; i < N; ++i) {
+            s.PutF8((reinterpret_cast<double*>(d))[i]);
+        }
+        return;
+    default:
+        std::ostringstream err;
+        err << "Tried to dump property with invalid type '";
+        err << type << "'!";
+        throw DeadlyExportError(err.str());
+    }
+}
+
+void FBX::Property::DumpAscii(Assimp::StreamWriterLE &outstream, int indent)
+{
+    std::ostringstream ss;
+    ss.imbue(std::locale::classic());
+    ss.precision(15); // this seems to match official FBX SDK exports
+    DumpAscii(ss, indent);
+    outstream.PutString(ss.str());
+}
+
+void FBX::Property::DumpAscii(std::ostream& s, int indent)
+{
+    // no writing type... or anything. just shove it into the stream.
+    uint8_t* d = data.data();
+    size_t N;
+    size_t swap = data.size();
+    size_t count = 0;
+    switch (type) {
+    case 'C':
+        if (*(reinterpret_cast<uint8_t*>(d))) { s << 'T'; }
+        else { s << 'F'; }
+        return;
+    case 'Y': s << *(reinterpret_cast<int16_t*>(d)); return;
+    case 'I': s << *(reinterpret_cast<int32_t*>(d)); return;
+    case 'F': s << *(reinterpret_cast<float*>(d)); return;
+    case 'D': s << *(reinterpret_cast<double*>(d)); return;
+    case 'L': s << *(reinterpret_cast<int64_t*>(d)); return;
+    case 'S':
+        // first search to see if it has "\x00\x01" in it -
+        // which separates fields which are reversed in the ascii version.
+        // yeah.
+        // FBX, yeah.
+        for (size_t i = 0; i < data.size(); ++i) {
+            if (data[i] == '\0') {
+                swap = i;
+                break;
+            }
+        }
+    case 'R':
+        s << '"';
+        // we might as well check this now,
+        // probably it will never happen
+        for (size_t i = 0; i < data.size(); ++i) {
+            char c = data[i];
+            if (c == '"') {
+                throw runtime_error("can't handle quotes in property string");
+            }
+        }
+        // first write the SWAPPED member (if any)
+        for (size_t i = swap + 2; i < data.size(); ++i) {
+            char c = data[i];
+            s << c;
+        }
+        // then a separator
+        if (swap != data.size()) {
+            s << "::";
+        }
+        // then the initial member
+        for (size_t i = 0; i < swap; ++i) {
+            char c = data[i];
+            s << c;
+        }
+        s << '"';
+        return;
+    case 'i':
+        N = data.size() / 4; // number of elements
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<int32_t*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'l':
+        N = data.size() / 8;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<int64_t*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'f':
+        N = data.size() / 4;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<float*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    case 'd':
+        N = data.size() / 8;
+        s << '*' << N << " {\n";
+        for (int i = 0; i < indent + 1; ++i) { s << '\t'; }
+        s << "a: ";
+        // set precision to something that can handle doubles
+        s.precision(15);
+        for (size_t i = 0; i < N; ++i) {
+            if (i > 0) { s << ','; }
+            if (count++ > 120) { s << '\n'; count = 0; }
+            s << (reinterpret_cast<double*>(d))[i];
+        }
+        s << '\n';
+        for (int i = 0; i < indent; ++i) { s << '\t'; }
+        s << "} ";
+        return;
+    default:
+        std::ostringstream err;
+        err << "Tried to dump property with invalid type '";
+        err << type << "'!";
+        throw runtime_error(err.str());
+    }
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+#endif // ASSIMP_BUILD_NO_EXPORT
diff --git a/thirdparty/assimp/code/FBXExportProperty.h b/thirdparty/assimp/code/FBXExportProperty.h
new file mode 100644
index 0000000000..9c9d37c362
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExportProperty.h
@@ -0,0 +1,129 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FBXExportProperty.h
+* Declares the FBX::Property helper class for fbx export.
+*/
+#ifndef AI_FBXEXPORTPROPERTY_H_INC
+#define AI_FBXEXPORTPROPERTY_H_INC
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+
+#include <assimp/types.h> // aiMatrix4x4
+#include <assimp/StreamWriter.h> // StreamWriterLE
+
+#include <string>
+#include <vector>
+#include <ostream>
+#include <type_traits> // is_void
+
+namespace FBX {
+    class Property;
+}
+
+/** FBX::Property
+ *
+ *  Holds a value of any of FBX's recognized types,
+ *  each represented by a particular one-character code.
+ *  C : 1-byte uint8, usually 0x00 or 0x01 to represent boolean false and true
+ *  Y : 2-byte int16
+ *  I : 4-byte int32
+ *  F : 4-byte float
+ *  D : 8-byte double
+ *  L : 8-byte int64
+ *  i : array of int32
+ *  f : array of float
+ *  d : array of double
+ *  l : array of int64
+ *  b : array of 1-byte booleans (0x00 or 0x01)
+ *  S : string (array of 1-byte char)
+ *  R : raw data (array of bytes)
+ */
+class FBX::Property
+{
+public:
+    // constructors for basic types.
+    // all explicit to avoid accidental typecasting
+    explicit Property(bool v);
+    // TODO: determine if there is actually a byte type,
+    // or if this always means <bool>. 'C' seems to imply <char>,
+    // so possibly the above was intended to represent both.
+    explicit Property(int16_t v);
+    explicit Property(int32_t v);
+    explicit Property(float v);
+    explicit Property(double v);
+    explicit Property(int64_t v);
+    // strings can either be stored as 'R' (raw) or 'S' (string) type
+    explicit Property(const char* c, bool raw=false);
+    explicit Property(const std::string& s, bool raw=false);
+    explicit Property(const std::vector<uint8_t>& r);
+    explicit Property(const std::vector<int32_t>& va);
+    explicit Property(const std::vector<int64_t>& va);
+    explicit Property(const std::vector<double>& va);
+    explicit Property(const std::vector<float>& va);
+    explicit Property(const aiMatrix4x4& vm);
+
+    // this will catch any type not defined above,
+    // so that we don't accidentally convert something we don't want.
+    // for example (const char*) --> (bool)... seriously wtf C++
+    template <class T>
+    explicit Property(T v) : type('X') {
+        static_assert(std::is_void<T>::value, "TRIED TO CREATE FBX PROPERTY WITH UNSUPPORTED TYPE, CHECK YOUR PROPERTY INSTANTIATION");
+    } // note: no line wrap so it appears verbatim on the compiler error
+
+    // the size of this property node in a binary file, in bytes
+    size_t size();
+
+    // write this property node as binary data to the given stream
+    void DumpBinary(Assimp::StreamWriterLE &s);
+    void DumpAscii(Assimp::StreamWriterLE &s, int indent=0);
+    void DumpAscii(std::ostream &s, int indent=0);
+    // note: make sure the ostream is in classic "C" locale
+
+private:
+    char type;
+    std::vector<uint8_t> data;
+};
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#endif // AI_FBXEXPORTPROPERTY_H_INC
diff --git a/thirdparty/assimp/code/FBXExporter.cpp b/thirdparty/assimp/code/FBXExporter.cpp
new file mode 100644
index 0000000000..acb1227144
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExporter.cpp
@@ -0,0 +1,2480 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExporter.h"
+#include "FBXExportNode.h"
+#include "FBXExportProperty.h"
+#include "FBXCommon.h"
+
+#include <assimp/version.h> // aiGetVersion
+#include <assimp/IOSystem.hpp>
+#include <assimp/Exporter.hpp>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/StreamWriter.h> // StreamWriterLE
+#include <assimp/Exceptional.h> // DeadlyExportError
+#include <assimp/material.h> // aiTextureType
+#include <assimp/scene.h>
+#include <assimp/mesh.h>
+
+// Header files, standard library.
+#include <memory> // shared_ptr
+#include <string>
+#include <sstream> // stringstream
+#include <ctime> // localtime, tm_*
+#include <map>
+#include <set>
+#include <vector>
+#include <array>
+#include <unordered_set>
+
+// RESOURCES:
+// https://code.blender.org/2013/08/fbx-binary-file-format-specification/
+// https://wiki.blender.org/index.php/User:Mont29/Foundation/FBX_File_Structure
+
+const ai_real DEG = ai_real( 57.29577951308232087679815481 ); // degrees per radian
+
+// some constants that we'll use for writing metadata
+namespace FBX {
+    const std::string EXPORT_VERSION_STR = "7.4.0";
+    const uint32_t EXPORT_VERSION_INT = 7400; // 7.4 == 2014/2015
+    // FBX files have some hashed values that depend on the creation time field,
+    // but for now we don't actually know how to generate these.
+    // what we can do is set them to a known-working version.
+    // this is the data that Blender uses in their FBX export process.
+    const std::string GENERIC_CTIME = "1970-01-01 10:00:00:000";
+    const std::string GENERIC_FILEID =
+        "\x28\xb3\x2a\xeb\xb6\x24\xcc\xc2\xbf\xc8\xb0\x2a\xa9\x2b\xfc\xf1";
+    const std::string GENERIC_FOOTID =
+        "\xfa\xbc\xab\x09\xd0\xc8\xd4\x66\xb1\x76\xfb\x83\x1c\xf7\x26\x7e";
+    const std::string FOOT_MAGIC =
+        "\xf8\x5a\x8c\x6a\xde\xf5\xd9\x7e\xec\xe9\x0c\xe3\x75\x8f\x29\x0b";
+    const std::string COMMENT_UNDERLINE =
+        ";------------------------------------------------------------------";
+}
+
+using namespace Assimp;
+using namespace FBX;
+
+namespace Assimp {
+
+    // ---------------------------------------------------------------------
+    // Worker function for exporting a scene to binary FBX.
+    // Prototyped and registered in Exporter.cpp
+    void ExportSceneFBX (
+        const char* pFile,
+        IOSystem* pIOSystem,
+        const aiScene* pScene,
+        const ExportProperties* pProperties
+    ){
+        // initialize the exporter
+        FBXExporter exporter(pScene, pProperties);
+
+        // perform binary export
+        exporter.ExportBinary(pFile, pIOSystem);
+    }
+
+    // ---------------------------------------------------------------------
+    // Worker function for exporting a scene to ASCII FBX.
+    // Prototyped and registered in Exporter.cpp
+    void ExportSceneFBXA (
+        const char* pFile,
+        IOSystem* pIOSystem,
+        const aiScene* pScene,
+        const ExportProperties* pProperties
+    ){
+        // initialize the exporter
+        FBXExporter exporter(pScene, pProperties);
+
+        // perform ascii export
+        exporter.ExportAscii(pFile, pIOSystem);
+    }
+
+} // end of namespace Assimp
+
+FBXExporter::FBXExporter ( const aiScene* pScene, const ExportProperties* pProperties )
+: binary(false)
+, mScene(pScene)
+, mProperties(pProperties)
+, outfile()
+, connections()
+, mesh_uids()
+, material_uids()
+, node_uids() {
+    // will probably need to determine UIDs, connections, etc here.
+    // basically anything that needs to be known
+    // before we start writing sections to the stream.
+}
+
+void FBXExporter::ExportBinary (
+    const char* pFile,
+    IOSystem* pIOSystem
+){
+    // remember that we're exporting in binary mode
+    binary = true;
+
+    // we're not currently using these preferences,
+    // but clang will cry about it if we never touch it.
+    // TODO: some of these might be relevant to export
+    (void)mProperties;
+
+    // open the indicated file for writing (in binary mode)
+    outfile.reset(pIOSystem->Open(pFile,"wb"));
+    if (!outfile) {
+        throw DeadlyExportError(
+            "could not open output .fbx file: " + std::string(pFile)
+        );
+    }
+
+    // first a binary-specific file header
+    WriteBinaryHeader();
+
+    // the rest of the file is in node entries.
+    // we have to serialize each entry before we write to the output,
+    // as the first thing we write is the byte offset of the _next_ entry.
+    // Either that or we can skip back to write the offset when we finish.
+    WriteAllNodes();
+
+    // finally we have a binary footer to the file
+    WriteBinaryFooter();
+
+    // explicitly release file pointer,
+    // so we don't have to rely on class destruction.
+    outfile.reset();
+}
+
+void FBXExporter::ExportAscii (
+    const char* pFile,
+    IOSystem* pIOSystem
+){
+    // remember that we're exporting in ascii mode
+    binary = false;
+
+    // open the indicated file for writing in text mode
+    outfile.reset(pIOSystem->Open(pFile,"wt"));
+    if (!outfile) {
+        throw DeadlyExportError(
+            "could not open output .fbx file: " + std::string(pFile)
+        );
+    }
+
+    // write the ascii header
+    WriteAsciiHeader();
+
+    // write all the sections
+    WriteAllNodes();
+
+    // make sure the file ends with a newline.
+    // note: if the file is opened in text mode,
+    // this should do the right cross-platform thing.
+    outfile->Write("\n", 1, 1);
+
+    // explicitly release file pointer,
+    // so we don't have to rely on class destruction.
+    outfile.reset();
+}
+
+void FBXExporter::WriteAsciiHeader()
+{
+    // basically just a comment at the top of the file
+    std::stringstream head;
+    head << "; FBX " << EXPORT_VERSION_STR << " project file\n";
+    head << "; Created by the Open Asset Import Library (Assimp)\n";
+    head << "; http://assimp.org\n";
+    head << "; -------------------------------------------------\n";
+    const std::string ascii_header = head.str();
+    outfile->Write(ascii_header.c_str(), ascii_header.size(), 1);
+}
+
+void FBXExporter::WriteAsciiSectionHeader(const std::string& title)
+{
+    StreamWriterLE outstream(outfile);
+    std::stringstream s;
+    s << "\n\n; " << title << '\n';
+    s << FBX::COMMENT_UNDERLINE << "\n";
+    outstream.PutString(s.str());
+}
+
+void FBXExporter::WriteBinaryHeader()
+{
+    // first a specific sequence of 23 bytes, always the same
+    const char binary_header[24] = "Kaydara FBX Binary\x20\x20\x00\x1a\x00";
+    outfile->Write(binary_header, 1, 23);
+
+    // then FBX version number, "multiplied" by 1000, as little-endian uint32.
+    // so 7.3 becomes 7300 == 0x841C0000, 7.4 becomes 7400 == 0xE81C0000, etc
+    {
+        StreamWriterLE outstream(outfile);
+        outstream.PutU4(EXPORT_VERSION_INT);
+    } // StreamWriter destructor writes the data to the file
+
+    // after this the node data starts immediately
+    // (probably with the FBXHEaderExtension node)
+}
+
+void FBXExporter::WriteBinaryFooter()
+{
+    outfile->Write(NULL_RECORD.c_str(), NULL_RECORD.size(), 1);
+
+    outfile->Write(GENERIC_FOOTID.c_str(), GENERIC_FOOTID.size(), 1);
+
+    // here some padding is added for alignment to 16 bytes.
+    // if already aligned, the full 16 bytes is added.
+    size_t pos = outfile->Tell();
+    size_t pad = 16 - (pos % 16);
+    for (size_t i = 0; i < pad; ++i) {
+        outfile->Write("\x00", 1, 1);
+    }
+
+    // not sure what this is, but it seems to always be 0 in modern files
+    for (size_t i = 0; i < 4; ++i) {
+        outfile->Write("\x00", 1, 1);
+    }
+
+    // now the file version again
+    {
+        StreamWriterLE outstream(outfile);
+        outstream.PutU4(EXPORT_VERSION_INT);
+    } // StreamWriter destructor writes the data to the file
+
+    // and finally some binary footer added to all files
+    for (size_t i = 0; i < 120; ++i) {
+        outfile->Write("\x00", 1, 1);
+    }
+    outfile->Write(FOOT_MAGIC.c_str(), FOOT_MAGIC.size(), 1);
+}
+
+void FBXExporter::WriteAllNodes ()
+{
+    // header
+    // (and fileid, creation time, creator, if binary)
+    WriteHeaderExtension();
+
+    // global settings
+    WriteGlobalSettings();
+
+    // documents
+    WriteDocuments();
+
+    // references
+    WriteReferences();
+
+    // definitions
+    WriteDefinitions();
+
+    // objects
+    WriteObjects();
+
+    // connections
+    WriteConnections();
+
+    // WriteTakes? (deprecated since at least 2015 (fbx 7.4))
+}
+
+//FBXHeaderExtension top-level node
+void FBXExporter::WriteHeaderExtension ()
+{
+    if (!binary) {
+        // no title, follows directly from the top comment
+    }
+    FBX::Node n("FBXHeaderExtension");
+    StreamWriterLE outstream(outfile);
+    int indent = 0;
+
+    // begin node
+    n.Begin(outstream, binary, indent);
+
+    // write properties
+    // (none)
+
+    // finish properties
+    n.EndProperties(outstream, binary, indent, 0);
+
+    // begin children
+    n.BeginChildren(outstream, binary, indent);
+
+    indent = 1;
+
+    // write child nodes
+    FBX::Node::WritePropertyNode(
+        "FBXHeaderVersion", int32_t(1003), outstream, binary, indent
+    );
+    FBX::Node::WritePropertyNode(
+        "FBXVersion", int32_t(EXPORT_VERSION_INT), outstream, binary, indent
+    );
+    if (binary) {
+        FBX::Node::WritePropertyNode(
+            "EncryptionType", int32_t(0), outstream, binary, indent
+        );
+    }
+
+    FBX::Node CreationTimeStamp("CreationTimeStamp");
+    time_t rawtime;
+    time(&rawtime);
+    struct tm * now = localtime(&rawtime);
+    CreationTimeStamp.AddChild("Version", int32_t(1000));
+    CreationTimeStamp.AddChild("Year", int32_t(now->tm_year + 1900));
+    CreationTimeStamp.AddChild("Month", int32_t(now->tm_mon + 1));
+    CreationTimeStamp.AddChild("Day", int32_t(now->tm_mday));
+    CreationTimeStamp.AddChild("Hour", int32_t(now->tm_hour));
+    CreationTimeStamp.AddChild("Minute", int32_t(now->tm_min));
+    CreationTimeStamp.AddChild("Second", int32_t(now->tm_sec));
+    CreationTimeStamp.AddChild("Millisecond", int32_t(0));
+    CreationTimeStamp.Dump(outstream, binary, indent);
+
+    std::stringstream creator;
+    creator << "Open Asset Import Library (Assimp) " << aiGetVersionMajor()
+            << "." << aiGetVersionMinor() << "." << aiGetVersionRevision();
+    FBX::Node::WritePropertyNode(
+        "Creator", creator.str(), outstream, binary, indent
+    );
+
+    //FBX::Node sceneinfo("SceneInfo");
+    //sceneinfo.AddProperty("GlobalInfo" + FBX::SEPARATOR + "SceneInfo");
+    // not sure if any of this is actually needed,
+    // so just write an empty node for now.
+    //sceneinfo.Dump(outstream, binary, indent);
+
+    indent = 0;
+
+    // finish node
+    n.End(outstream, binary, indent, true);
+
+    // that's it for FBXHeaderExtension...
+    if (!binary) { return; }
+
+    // but binary files also need top-level FileID, CreationTime, Creator:
+    std::vector<uint8_t> raw(GENERIC_FILEID.size());
+    for (size_t i = 0; i < GENERIC_FILEID.size(); ++i) {
+        raw[i] = uint8_t(GENERIC_FILEID[i]);
+    }
+    FBX::Node::WritePropertyNode(
+        "FileId", raw, outstream, binary, indent
+    );
+    FBX::Node::WritePropertyNode(
+        "CreationTime", GENERIC_CTIME, outstream, binary, indent
+    );
+    FBX::Node::WritePropertyNode(
+        "Creator", creator.str(), outstream, binary, indent
+    );
+}
+
+void FBXExporter::WriteGlobalSettings ()
+{
+    if (!binary) {
+        // no title, follows directly from the header extension
+    }
+    FBX::Node gs("GlobalSettings");
+    gs.AddChild("Version", int32_t(1000));
+
+    FBX::Node p("Properties70");
+    p.AddP70int("UpAxis", 1);
+    p.AddP70int("UpAxisSign", 1);
+    p.AddP70int("FrontAxis", 2);
+    p.AddP70int("FrontAxisSign", 1);
+    p.AddP70int("CoordAxis", 0);
+    p.AddP70int("CoordAxisSign", 1);
+    p.AddP70int("OriginalUpAxis", 1);
+    p.AddP70int("OriginalUpAxisSign", 1);
+    p.AddP70double("UnitScaleFactor", 1.0);
+    p.AddP70double("OriginalUnitScaleFactor", 1.0);
+    p.AddP70color("AmbientColor", 0.0, 0.0, 0.0);
+    p.AddP70string("DefaultCamera", "Producer Perspective");
+    p.AddP70enum("TimeMode", 11);
+    p.AddP70enum("TimeProtocol", 2);
+    p.AddP70enum("SnapOnFrameMode", 0);
+    p.AddP70time("TimeSpanStart", 0); // TODO: animation support
+    p.AddP70time("TimeSpanStop", FBX::SECOND); // TODO: animation support
+    p.AddP70double("CustomFrameRate", -1.0);
+    p.AddP70("TimeMarker", "Compound", "", ""); // not sure what this is
+    p.AddP70int("CurrentTimeMarker", -1);
+    gs.AddChild(p);
+
+    gs.Dump(outfile, binary, 0);
+}
+
+void FBXExporter::WriteDocuments ()
+{
+    if (!binary) {
+        WriteAsciiSectionHeader("Documents Description");
+    }
+    
+    // not sure what the use of multiple documents would be,
+    // or whether any end-application supports it
+    FBX::Node docs("Documents");
+    docs.AddChild("Count", int32_t(1));
+    FBX::Node doc("Document");
+
+    // generate uid
+    int64_t uid = generate_uid();
+    doc.AddProperties(uid, "", "Scene");
+    FBX::Node p("Properties70");
+    p.AddP70("SourceObject", "object", "", ""); // what is this even for?
+    p.AddP70string("ActiveAnimStackName", ""); // should do this properly?
+    doc.AddChild(p);
+
+    // UID for root node in scene hierarchy.
+    // always set to 0 in the case of a single document.
+    // not sure what happens if more than one document exists,
+    // but that won't matter to us as we're exporting a single scene.
+    doc.AddChild("RootNode", int64_t(0));
+
+    docs.AddChild(doc);
+    docs.Dump(outfile, binary, 0);
+}
+
+void FBXExporter::WriteReferences ()
+{
+    if (!binary) {
+        WriteAsciiSectionHeader("Document References");
+    }
+    // always empty for now.
+    // not really sure what this is for.
+    FBX::Node n("References");
+    n.force_has_children = true;
+    n.Dump(outfile, binary, 0);
+}
+
+
+// ---------------------------------------------------------------
+// some internal helper functions used for writing the definitions
+// (before any actual data is written)
+// ---------------------------------------------------------------
+
+size_t count_nodes(const aiNode* n) {
+    size_t count = 1;
+    for (size_t i = 0; i < n->mNumChildren; ++i) {
+        count += count_nodes(n->mChildren[i]);
+    }
+    return count;
+}
+
+bool has_phong_mat(const aiScene* scene)
+{
+    // just search for any material with a shininess exponent
+    for (size_t i = 0; i < scene->mNumMaterials; ++i) {
+        aiMaterial* mat = scene->mMaterials[i];
+        float shininess = 0;
+        mat->Get(AI_MATKEY_SHININESS, shininess);
+        if (shininess > 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+size_t count_images(const aiScene* scene) {
+    std::unordered_set<std::string> images;
+    aiString texpath;
+    for (size_t i = 0; i < scene->mNumMaterials; ++i) {
+        aiMaterial* mat = scene->mMaterials[i];
+        for (
+            size_t tt = aiTextureType_DIFFUSE;
+            tt < aiTextureType_UNKNOWN;
+            ++tt
+        ){
+            const aiTextureType textype = static_cast<aiTextureType>(tt);
+            const size_t texcount = mat->GetTextureCount(textype);
+            for (unsigned int j = 0; j < texcount; ++j) {
+                mat->GetTexture(textype, j, &texpath);
+                images.insert(std::string(texpath.C_Str()));
+            }
+        }
+    }
+    return images.size();
+}
+
+size_t count_textures(const aiScene* scene) {
+    size_t count = 0;
+    for (size_t i = 0; i < scene->mNumMaterials; ++i) {
+        aiMaterial* mat = scene->mMaterials[i];
+        for (
+            size_t tt = aiTextureType_DIFFUSE;
+            tt < aiTextureType_UNKNOWN;
+            ++tt
+        ){
+            // TODO: handle layered textures
+            if (mat->GetTextureCount(static_cast<aiTextureType>(tt)) > 0) {
+                count += 1;
+            }
+        }
+    }
+    return count;
+}
+
+size_t count_deformers(const aiScene* scene) {
+    size_t count = 0;
+    for (size_t i = 0; i < scene->mNumMeshes; ++i) {
+        const size_t n = scene->mMeshes[i]->mNumBones;
+        if (n) {
+            // 1 main deformer, 1 subdeformer per bone
+            count += n + 1;
+        }
+    }
+    return count;
+}
+
+void FBXExporter::WriteDefinitions ()
+{
+    // basically this is just bookkeeping:
+    // determining how many of each type of object there are
+    // and specifying the base properties to use when otherwise unspecified.
+
+    // ascii section header
+    if (!binary) {
+        WriteAsciiSectionHeader("Object definitions");
+    }
+
+    // we need to count the objects
+    int32_t count;
+    int32_t total_count = 0;
+
+    // and store them
+    std::vector<FBX::Node> object_nodes;
+    FBX::Node n, pt, p;
+
+    // GlobalSettings
+    // this seems to always be here in Maya exports
+    n = FBX::Node("ObjectType", "GlobalSettings");
+    count = 1;
+    n.AddChild("Count", count);
+    object_nodes.push_back(n);
+    total_count += count;
+
+    // AnimationStack / FbxAnimStack
+    // this seems to always be here in Maya exports,
+    // but no harm seems to come of leaving it out.
+    count = mScene->mNumAnimations;
+    if (count) {
+        n = FBX::Node("ObjectType", "AnimationStack");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxAnimStack");
+        p = FBX::Node("Properties70");
+        p.AddP70string("Description", "");
+        p.AddP70time("LocalStart", 0);
+        p.AddP70time("LocalStop", 0);
+        p.AddP70time("ReferenceStart", 0);
+        p.AddP70time("ReferenceStop", 0);
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // AnimationLayer / FbxAnimLayer
+    // this seems to always be here in Maya exports,
+    // but no harm seems to come of leaving it out.
+    // Assimp doesn't support animation layers,
+    // so there will be one per aiAnimation
+    count = mScene->mNumAnimations;
+    if (count) {
+        n = FBX::Node("ObjectType", "AnimationLayer");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FBXAnimLayer");
+        p = FBX::Node("Properties70");
+        p.AddP70("Weight", "Number", "", "A", double(100));
+        p.AddP70bool("Mute", 0);
+        p.AddP70bool("Solo", 0);
+        p.AddP70bool("Lock", 0);
+        p.AddP70color("Color", 0.8, 0.8, 0.8);
+        p.AddP70("BlendMode", "enum", "", "", int32_t(0));
+        p.AddP70("RotationAccumulationMode", "enum", "", "", int32_t(0));
+        p.AddP70("ScaleAccumulationMode", "enum", "", "", int32_t(0));
+        p.AddP70("BlendModeBypass", "ULongLong", "", "", int64_t(0));
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // NodeAttribute
+    // this is completely absurd.
+    // there can only be one "NodeAttribute" template,
+    // but FbxSkeleton, FbxCamera, FbxLight all are "NodeAttributes".
+    // so if only one exists we should set the template for that,
+    // otherwise... we just pick one :/.
+    // the others have to set all their properties every instance,
+    // because there's no template.
+    count = 1; // TODO: select properly
+    if (count) {
+        // FbxSkeleton
+        n = FBX::Node("ObjectType", "NodeAttribute");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxSkeleton");
+        p = FBX::Node("Properties70");
+        p.AddP70color("Color", 0.8, 0.8, 0.8);
+        p.AddP70double("Size", 33.333333333333);
+        p.AddP70("LimbLength", "double", "Number", "H", double(1));
+        // note: not sure what the "H" flag is for - hidden?
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Model / FbxNode
+    // <~~ node hierarchy
+    count = int32_t(count_nodes(mScene->mRootNode)) - 1; // (not counting root node)
+    if (count) {
+        n = FBX::Node("ObjectType", "Model");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxNode");
+        p = FBX::Node("Properties70");
+        p.AddP70enum("QuaternionInterpolate", 0);
+        p.AddP70vector("RotationOffset", 0.0, 0.0, 0.0);
+        p.AddP70vector("RotationPivot", 0.0, 0.0, 0.0);
+        p.AddP70vector("ScalingOffset", 0.0, 0.0, 0.0);
+        p.AddP70vector("ScalingPivot", 0.0, 0.0, 0.0);
+        p.AddP70bool("TranslationActive", 0);
+        p.AddP70vector("TranslationMin", 0.0, 0.0, 0.0);
+        p.AddP70vector("TranslationMax", 0.0, 0.0, 0.0);
+        p.AddP70bool("TranslationMinX", 0);
+        p.AddP70bool("TranslationMinY", 0);
+        p.AddP70bool("TranslationMinZ", 0);
+        p.AddP70bool("TranslationMaxX", 0);
+        p.AddP70bool("TranslationMaxY", 0);
+        p.AddP70bool("TranslationMaxZ", 0);
+        p.AddP70enum("RotationOrder", 0);
+        p.AddP70bool("RotationSpaceForLimitOnly", 0);
+        p.AddP70double("RotationStiffnessX", 0.0);
+        p.AddP70double("RotationStiffnessY", 0.0);
+        p.AddP70double("RotationStiffnessZ", 0.0);
+        p.AddP70double("AxisLen", 10.0);
+        p.AddP70vector("PreRotation", 0.0, 0.0, 0.0);
+        p.AddP70vector("PostRotation", 0.0, 0.0, 0.0);
+        p.AddP70bool("RotationActive", 0);
+        p.AddP70vector("RotationMin", 0.0, 0.0, 0.0);
+        p.AddP70vector("RotationMax", 0.0, 0.0, 0.0);
+        p.AddP70bool("RotationMinX", 0);
+        p.AddP70bool("RotationMinY", 0);
+        p.AddP70bool("RotationMinZ", 0);
+        p.AddP70bool("RotationMaxX", 0);
+        p.AddP70bool("RotationMaxY", 0);
+        p.AddP70bool("RotationMaxZ", 0);
+        p.AddP70enum("InheritType", 0);
+        p.AddP70bool("ScalingActive", 0);
+        p.AddP70vector("ScalingMin", 0.0, 0.0, 0.0);
+        p.AddP70vector("ScalingMax", 1.0, 1.0, 1.0);
+        p.AddP70bool("ScalingMinX", 0);
+        p.AddP70bool("ScalingMinY", 0);
+        p.AddP70bool("ScalingMinZ", 0);
+        p.AddP70bool("ScalingMaxX", 0);
+        p.AddP70bool("ScalingMaxY", 0);
+        p.AddP70bool("ScalingMaxZ", 0);
+        p.AddP70vector("GeometricTranslation", 0.0, 0.0, 0.0);
+        p.AddP70vector("GeometricRotation", 0.0, 0.0, 0.0);
+        p.AddP70vector("GeometricScaling", 1.0, 1.0, 1.0);
+        p.AddP70double("MinDampRangeX", 0.0);
+        p.AddP70double("MinDampRangeY", 0.0);
+        p.AddP70double("MinDampRangeZ", 0.0);
+        p.AddP70double("MaxDampRangeX", 0.0);
+        p.AddP70double("MaxDampRangeY", 0.0);
+        p.AddP70double("MaxDampRangeZ", 0.0);
+        p.AddP70double("MinDampStrengthX", 0.0);
+        p.AddP70double("MinDampStrengthY", 0.0);
+        p.AddP70double("MinDampStrengthZ", 0.0);
+        p.AddP70double("MaxDampStrengthX", 0.0);
+        p.AddP70double("MaxDampStrengthY", 0.0);
+        p.AddP70double("MaxDampStrengthZ", 0.0);
+        p.AddP70double("PreferedAngleX", 0.0);
+        p.AddP70double("PreferedAngleY", 0.0);
+        p.AddP70double("PreferedAngleZ", 0.0);
+        p.AddP70("LookAtProperty", "object", "", "");
+        p.AddP70("UpVectorProperty", "object", "", "");
+        p.AddP70bool("Show", 1);
+        p.AddP70bool("NegativePercentShapeSupport", 1);
+        p.AddP70int("DefaultAttributeIndex", -1);
+        p.AddP70bool("Freeze", 0);
+        p.AddP70bool("LODBox", 0);
+        p.AddP70(
+            "Lcl Translation", "Lcl Translation", "", "A",
+            double(0), double(0), double(0)
+        );
+        p.AddP70(
+            "Lcl Rotation", "Lcl Rotation", "", "A",
+            double(0), double(0), double(0)
+        );
+        p.AddP70(
+            "Lcl Scaling", "Lcl Scaling", "", "A",
+            double(1), double(1), double(1)
+        );
+        p.AddP70("Visibility", "Visibility", "", "A", double(1));
+        p.AddP70(
+            "Visibility Inheritance", "Visibility Inheritance", "", "",
+            int32_t(1)
+        );
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Geometry / FbxMesh
+    // <~~ aiMesh
+    count = mScene->mNumMeshes;
+    if (count) {
+        n = FBX::Node("ObjectType", "Geometry");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxMesh");
+        p = FBX::Node("Properties70");
+        p.AddP70color("Color", 0, 0, 0);
+        p.AddP70vector("BBoxMin", 0, 0, 0);
+        p.AddP70vector("BBoxMax", 0, 0, 0);
+        p.AddP70bool("Primary Visibility", 1);
+        p.AddP70bool("Casts Shadows", 1);
+        p.AddP70bool("Receive Shadows", 1);
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Material / FbxSurfacePhong, FbxSurfaceLambert, FbxSurfaceMaterial
+    // <~~ aiMaterial
+    // basically if there's any phong material this is defined as phong,
+    // and otherwise lambert.
+    // More complex materials cause a bare-bones FbxSurfaceMaterial definition
+    // and are treated specially, as they're not really supported by FBX.
+    // TODO: support Maya's Stingray PBS material
+    count = mScene->mNumMaterials;
+    if (count) {
+        bool has_phong = has_phong_mat(mScene);
+        n = FBX::Node("ObjectType", "Material");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate");
+        if (has_phong) {
+            pt.AddProperty("FbxSurfacePhong");
+        } else {
+            pt.AddProperty("FbxSurfaceLambert");
+        }
+        p = FBX::Node("Properties70");
+        if (has_phong) {
+            p.AddP70string("ShadingModel", "Phong");
+        } else {
+            p.AddP70string("ShadingModel", "Lambert");
+        }
+        p.AddP70bool("MultiLayer", 0);
+        p.AddP70colorA("EmissiveColor", 0.0, 0.0, 0.0);
+        p.AddP70numberA("EmissiveFactor", 1.0);
+        p.AddP70colorA("AmbientColor", 0.2, 0.2, 0.2);
+        p.AddP70numberA("AmbientFactor", 1.0);
+        p.AddP70colorA("DiffuseColor", 0.8, 0.8, 0.8);
+        p.AddP70numberA("DiffuseFactor", 1.0);
+        p.AddP70vector("Bump", 0.0, 0.0, 0.0);
+        p.AddP70vector("NormalMap", 0.0, 0.0, 0.0);
+        p.AddP70double("BumpFactor", 1.0);
+        p.AddP70colorA("TransparentColor", 0.0, 0.0, 0.0);
+        p.AddP70numberA("TransparencyFactor", 0.0);
+        p.AddP70color("DisplacementColor", 0.0, 0.0, 0.0);
+        p.AddP70double("DisplacementFactor", 1.0);
+        p.AddP70color("VectorDisplacementColor", 0.0, 0.0, 0.0);
+        p.AddP70double("VectorDisplacementFactor", 1.0);
+        if (has_phong) {
+            p.AddP70colorA("SpecularColor", 0.2, 0.2, 0.2);
+            p.AddP70numberA("SpecularFactor", 1.0);
+            p.AddP70numberA("ShininessExponent", 20.0);
+            p.AddP70colorA("ReflectionColor", 0.0, 0.0, 0.0);
+            p.AddP70numberA("ReflectionFactor", 1.0);
+        }
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Video / FbxVideo
+    // one for each image file.
+    count = int32_t(count_images(mScene));
+    if (count) {
+        n = FBX::Node("ObjectType", "Video");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxVideo");
+        p = FBX::Node("Properties70");
+        p.AddP70bool("ImageSequence", 0);
+        p.AddP70int("ImageSequenceOffset", 0);
+        p.AddP70double("FrameRate", 0.0);
+        p.AddP70int("LastFrame", 0);
+        p.AddP70int("Width", 0);
+        p.AddP70int("Height", 0);
+        p.AddP70("Path", "KString", "XRefUrl", "", "");
+        p.AddP70int("StartFrame", 0);
+        p.AddP70int("StopFrame", 0);
+        p.AddP70double("PlaySpeed", 0.0);
+        p.AddP70time("Offset", 0);
+        p.AddP70enum("InterlaceMode", 0);
+        p.AddP70bool("FreeRunning", 0);
+        p.AddP70bool("Loop", 0);
+        p.AddP70enum("AccessMode", 0);
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Texture / FbxFileTexture
+    // <~~ aiTexture
+    count = int32_t(count_textures(mScene));
+    if (count) {
+        n = FBX::Node("ObjectType", "Texture");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxFileTexture");
+        p = FBX::Node("Properties70");
+        p.AddP70enum("TextureTypeUse", 0);
+        p.AddP70numberA("Texture alpha", 1.0);
+        p.AddP70enum("CurrentMappingType", 0);
+        p.AddP70enum("WrapModeU", 0);
+        p.AddP70enum("WrapModeV", 0);
+        p.AddP70bool("UVSwap", 0);
+        p.AddP70bool("PremultiplyAlpha", 1);
+        p.AddP70vectorA("Translation", 0.0, 0.0, 0.0);
+        p.AddP70vectorA("Rotation", 0.0, 0.0, 0.0);
+        p.AddP70vectorA("Scaling", 1.0, 1.0, 1.0);
+        p.AddP70vector("TextureRotationPivot", 0.0, 0.0, 0.0);
+        p.AddP70vector("TextureScalingPivot", 0.0, 0.0, 0.0);
+        p.AddP70enum("CurrentTextureBlendMode", 1);
+        p.AddP70string("UVSet", "default");
+        p.AddP70bool("UseMaterial", 0);
+        p.AddP70bool("UseMipMap", 0);
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // AnimationCurveNode / FbxAnimCurveNode
+    count = mScene->mNumAnimations * 3;
+    if (count) {
+        n = FBX::Node("ObjectType", "AnimationCurveNode");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "FbxAnimCurveNode");
+        p = FBX::Node("Properties70");
+        p.AddP70("d", "Compound", "", "");
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // AnimationCurve / FbxAnimCurve
+    count = mScene->mNumAnimations * 9;
+    if (count) {
+        n = FBX::Node("ObjectType", "AnimationCurve");
+        n.AddChild("Count", count);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Pose
+    count = 0;
+    for (size_t i = 0; i < mScene->mNumMeshes; ++i) {
+        aiMesh* mesh = mScene->mMeshes[i];
+        if (mesh->HasBones()) { ++count; }
+    }
+    if (count) {
+        n = FBX::Node("ObjectType", "Pose");
+        n.AddChild("Count", count);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // Deformer
+    count = int32_t(count_deformers(mScene));
+    if (count) {
+        n = FBX::Node("ObjectType", "Deformer");
+        n.AddChild("Count", count);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // (template)
+    count = 0;
+    if (count) {
+        n = FBX::Node("ObjectType", "");
+        n.AddChild("Count", count);
+        pt = FBX::Node("PropertyTemplate", "");
+        p = FBX::Node("Properties70");
+        pt.AddChild(p);
+        n.AddChild(pt);
+        object_nodes.push_back(n);
+        total_count += count;
+    }
+
+    // now write it all
+    FBX::Node defs("Definitions");
+    defs.AddChild("Version", int32_t(100));
+    defs.AddChild("Count", int32_t(total_count));
+    for (auto &n : object_nodes) { defs.AddChild(n); }
+    defs.Dump(outfile, binary, 0);
+}
+
+
+// -------------------------------------------------------------------
+// some internal helper functions used for writing the objects section
+// (which holds the actual data)
+// -------------------------------------------------------------------
+
+aiNode* get_node_for_mesh(unsigned int meshIndex, aiNode* node)
+{
+    for (size_t i = 0; i < node->mNumMeshes; ++i) {
+        if (node->mMeshes[i] == meshIndex) {
+            return node;
+        }
+    }
+    for (size_t i = 0; i < node->mNumChildren; ++i) {
+        aiNode* ret = get_node_for_mesh(meshIndex, node->mChildren[i]);
+        if (ret) { return ret; }
+    }
+    return nullptr;
+}
+
+aiMatrix4x4 get_world_transform(const aiNode* node, const aiScene* scene)
+{
+    std::vector<const aiNode*> node_chain;
+    while (node != scene->mRootNode) {
+        node_chain.push_back(node);
+        node = node->mParent;
+    }
+    aiMatrix4x4 transform;
+    for (auto n = node_chain.rbegin(); n != node_chain.rend(); ++n) {
+        transform *= (*n)->mTransformation;
+    }
+    return transform;
+}
+
+int64_t to_ktime(double ticks, const aiAnimation* anim) {
+    if (anim->mTicksPerSecond <= 0) {
+        return static_cast<int64_t>(ticks) * FBX::SECOND;
+    }
+    return (static_cast<int64_t>(ticks) / static_cast<int64_t>(anim->mTicksPerSecond)) * FBX::SECOND;
+}
+
+int64_t to_ktime(double time) {
+    return (static_cast<int64_t>(time * FBX::SECOND));
+}
+
+void FBXExporter::WriteObjects ()
+{
+    if (!binary) {
+        WriteAsciiSectionHeader("Object properties");
+    }
+    // numbers should match those given in definitions! make sure to check
+    StreamWriterLE outstream(outfile);
+    FBX::Node object_node("Objects");
+    int indent = 0;
+    object_node.Begin(outstream, binary, indent);
+    object_node.EndProperties(outstream, binary, indent);
+    object_node.BeginChildren(outstream, binary, indent);
+
+    // geometry (aiMesh)
+    mesh_uids.clear();
+    indent = 1;
+    for (size_t mi = 0; mi < mScene->mNumMeshes; ++mi) {
+        // it's all about this mesh
+        aiMesh* m = mScene->mMeshes[mi];
+
+        // start the node record
+        FBX::Node n("Geometry");
+        int64_t uid = generate_uid();
+        mesh_uids.push_back(uid);
+        n.AddProperty(uid);
+        n.AddProperty(FBX::SEPARATOR + "Geometry");
+        n.AddProperty("Mesh");
+        n.Begin(outstream, binary, indent);
+        n.DumpProperties(outstream, binary, indent);
+        n.EndProperties(outstream, binary, indent);
+        n.BeginChildren(outstream, binary, indent);
+        indent = 2;
+
+        // output vertex data - each vertex should be unique (probably)
+        std::vector<double> flattened_vertices;
+        // index of original vertex in vertex data vector
+        std::vector<int32_t> vertex_indices;
+        // map of vertex value to its index in the data vector
+        std::map<aiVector3D,size_t> index_by_vertex_value;
+        int32_t index = 0;
+        for (size_t vi = 0; vi < m->mNumVertices; ++vi) {
+            aiVector3D vtx = m->mVertices[vi];
+            auto elem = index_by_vertex_value.find(vtx);
+            if (elem == index_by_vertex_value.end()) {
+                vertex_indices.push_back(index);
+                index_by_vertex_value[vtx] = index;
+                flattened_vertices.push_back(vtx[0]);
+                flattened_vertices.push_back(vtx[1]);
+                flattened_vertices.push_back(vtx[2]);
+                ++index;
+            } else {
+                vertex_indices.push_back(int32_t(elem->second));
+            }
+        }
+        FBX::Node::WritePropertyNode(
+            "Vertices", flattened_vertices, outstream, binary, indent
+        );
+
+        // output polygon data as a flattened array of vertex indices.
+        // the last vertex index of each polygon is negated and - 1
+        std::vector<int32_t> polygon_data;
+        for (size_t fi = 0; fi < m->mNumFaces; ++fi) {
+            const aiFace &f = m->mFaces[fi];
+            for (size_t pvi = 0; pvi < f.mNumIndices - 1; ++pvi) {
+                polygon_data.push_back(vertex_indices[f.mIndices[pvi]]);
+            }
+            polygon_data.push_back(
+                -1 - vertex_indices[f.mIndices[f.mNumIndices-1]]
+            );
+        }
+        FBX::Node::WritePropertyNode(
+            "PolygonVertexIndex", polygon_data, outstream, binary, indent
+        );
+
+        // here could be edges but they're insane.
+        // it's optional anyway, so let's ignore it.
+
+        FBX::Node::WritePropertyNode(
+            "GeometryVersion", int32_t(124), outstream, binary, indent
+        );
+
+        // normals, if any
+        if (m->HasNormals()) {
+            FBX::Node normals("LayerElementNormal", int32_t(0));
+            normals.Begin(outstream, binary, indent);
+            normals.DumpProperties(outstream, binary, indent);
+            normals.EndProperties(outstream, binary, indent);
+            normals.BeginChildren(outstream, binary, indent);
+            indent = 3;
+            FBX::Node::WritePropertyNode(
+                "Version", int32_t(101), outstream, binary, indent
+            );
+            FBX::Node::WritePropertyNode(
+                "Name", "", outstream, binary, indent
+            );
+            FBX::Node::WritePropertyNode(
+                "MappingInformationType", "ByPolygonVertex",
+                outstream, binary, indent
+            );
+            // TODO: vertex-normals or indexed normals when appropriate
+            FBX::Node::WritePropertyNode(
+                "ReferenceInformationType", "Direct",
+                outstream, binary, indent
+            );
+            std::vector<double> normal_data;
+            normal_data.reserve(3 * polygon_data.size());
+            for (size_t fi = 0; fi < m->mNumFaces; ++fi) {
+                const aiFace &f = m->mFaces[fi];
+                for (size_t pvi = 0; pvi < f.mNumIndices; ++pvi) {
+                    const aiVector3D &n = m->mNormals[f.mIndices[pvi]];
+                    normal_data.push_back(n.x);
+                    normal_data.push_back(n.y);
+                    normal_data.push_back(n.z);
+                }
+            }
+            FBX::Node::WritePropertyNode(
+                "Normals", normal_data, outstream, binary, indent
+            );
+            // note: version 102 has a NormalsW also... not sure what it is,
+            // so we can stick with version 101 for now.
+            indent = 2;
+            normals.End(outstream, binary, indent, true);
+        }
+
+        // uvs, if any
+        for (size_t uvi = 0; uvi < m->GetNumUVChannels(); ++uvi) {
+            if (m->mNumUVComponents[uvi] > 2) {
+                // FBX only supports 2-channel UV maps...
+                // or at least i'm not sure how to indicate a different number
+                std::stringstream err;
+                err << "Only 2-channel UV maps supported by FBX,";
+                err << " but mesh " << mi;
+                if (m->mName.length) {
+                    err << " (" << m->mName.C_Str() << ")";
+                }
+                err << " UV map " << uvi;
+                err << " has " << m->mNumUVComponents[uvi];
+                err << " components! Data will be preserved,";
+                err << " but may be incorrectly interpreted on load.";
+                ASSIMP_LOG_WARN(err.str());
+            }
+            FBX::Node uv("LayerElementUV", int32_t(uvi));
+            uv.Begin(outstream, binary, indent);
+            uv.DumpProperties(outstream, binary, indent);
+            uv.EndProperties(outstream, binary, indent);
+            uv.BeginChildren(outstream, binary, indent);
+            indent = 3;
+            FBX::Node::WritePropertyNode(
+                "Version", int32_t(101), outstream, binary, indent
+            );
+            // it doesn't seem like assimp keeps the uv map name,
+            // so just leave it blank.
+            FBX::Node::WritePropertyNode(
+                "Name", "", outstream, binary, indent
+            );
+            FBX::Node::WritePropertyNode(
+                "MappingInformationType", "ByPolygonVertex",
+                outstream, binary, indent
+            );
+            FBX::Node::WritePropertyNode(
+                "ReferenceInformationType", "IndexToDirect",
+                outstream, binary, indent
+            );
+
+            std::vector<double> uv_data;
+            std::vector<int32_t> uv_indices;
+            std::map<aiVector3D,int32_t> index_by_uv;
+            int32_t index = 0;
+            for (size_t fi = 0; fi < m->mNumFaces; ++fi) {
+                const aiFace &f = m->mFaces[fi];
+                for (size_t pvi = 0; pvi < f.mNumIndices; ++pvi) {
+                    const aiVector3D &uv =
+                        m->mTextureCoords[uvi][f.mIndices[pvi]];
+                    auto elem = index_by_uv.find(uv);
+                    if (elem == index_by_uv.end()) {
+                        index_by_uv[uv] = index;
+                        uv_indices.push_back(index);
+                        for (unsigned int x = 0; x < m->mNumUVComponents[uvi]; ++x) {
+                            uv_data.push_back(uv[x]);
+                        }
+                        ++index;
+                    } else {
+                        uv_indices.push_back(elem->second);
+                    }
+                }
+            }
+            FBX::Node::WritePropertyNode(
+                "UV", uv_data, outstream, binary, indent
+            );
+            FBX::Node::WritePropertyNode(
+                "UVIndex", uv_indices, outstream, binary, indent
+            );
+            indent = 2;
+            uv.End(outstream, binary, indent, true);
+        }
+
+        // i'm not really sure why this material section exists,
+        // as the material is linked via "Connections".
+        // it seems to always have the same "0" value.
+        FBX::Node mat("LayerElementMaterial", int32_t(0));
+        mat.AddChild("Version", int32_t(101));
+        mat.AddChild("Name", "");
+        mat.AddChild("MappingInformationType", "AllSame");
+        mat.AddChild("ReferenceInformationType", "IndexToDirect");
+        std::vector<int32_t> mat_indices = {0};
+        mat.AddChild("Materials", mat_indices);
+        mat.Dump(outstream, binary, indent);
+
+        // finally we have the layer specifications,
+        // which select the normals / UV set / etc to use.
+        // TODO: handle multiple uv sets correctly?
+        FBX::Node layer("Layer", int32_t(0));
+        layer.AddChild("Version", int32_t(100));
+        FBX::Node le("LayerElement");
+        le.AddChild("Type", "LayerElementNormal");
+        le.AddChild("TypedIndex", int32_t(0));
+        layer.AddChild(le);
+        le = FBX::Node("LayerElement");
+        le.AddChild("Type", "LayerElementMaterial");
+        le.AddChild("TypedIndex", int32_t(0));
+        layer.AddChild(le);
+        le = FBX::Node("LayerElement");
+        le.AddChild("Type", "LayerElementUV");
+        le.AddChild("TypedIndex", int32_t(0));
+        layer.AddChild(le);
+        layer.Dump(outstream, binary, indent);
+
+        // finish the node record
+        indent = 1;
+        n.End(outstream, binary, indent, true);
+    }
+
+    // aiMaterial
+    material_uids.clear();
+    for (size_t i = 0; i < mScene->mNumMaterials; ++i) {
+        // it's all about this material
+        aiMaterial* m = mScene->mMaterials[i];
+
+        // these are used to receive material data
+        float f; aiColor3D c;
+
+        // start the node record
+        FBX::Node n("Material");
+
+        int64_t uid = generate_uid();
+        material_uids.push_back(uid);
+        n.AddProperty(uid);
+
+        aiString name;
+        m->Get(AI_MATKEY_NAME, name);
+        n.AddProperty(name.C_Str() + FBX::SEPARATOR + "Material");
+
+        n.AddProperty("");
+
+        n.AddChild("Version", int32_t(102));
+        f = 0;
+        m->Get(AI_MATKEY_SHININESS, f);
+        bool phong = (f > 0);
+        if (phong) {
+            n.AddChild("ShadingModel", "phong");
+        } else {
+            n.AddChild("ShadingModel", "lambert");
+        }
+        n.AddChild("MultiLayer", int32_t(0));
+
+        FBX::Node p("Properties70");
+
+        // materials exported using the FBX SDK have two sets of fields.
+        // there are the properties specified in the PropertyTemplate,
+        // which are those supported by the modernFBX SDK,
+        // and an extra set of properties with simpler names.
+        // The extra properties are a legacy material system from pre-2009.
+        //
+        // In the modern system, each property has "color" and "factor".
+        // Generally the interpretation of these seems to be
+        // that the colour is multiplied by the factor before use,
+        // but this is not always clear-cut.
+        //
+        // Usually assimp only stores the colour,
+        // so we can just leave the factors at the default "1.0".
+
+        // first we can export the "standard" properties
+        if (m->Get(AI_MATKEY_COLOR_AMBIENT, c) == aiReturn_SUCCESS) {
+            p.AddP70colorA("AmbientColor", c.r, c.g, c.b);
+            //p.AddP70numberA("AmbientFactor", 1.0);
+        }
+        if (m->Get(AI_MATKEY_COLOR_DIFFUSE, c) == aiReturn_SUCCESS) {
+            p.AddP70colorA("DiffuseColor", c.r, c.g, c.b);
+            //p.AddP70numberA("DiffuseFactor", 1.0);
+        }
+        if (m->Get(AI_MATKEY_COLOR_TRANSPARENT, c) == aiReturn_SUCCESS) {
+            // "TransparentColor" / "TransparencyFactor"...
+            // thanks FBX, for your insightful interpretation of consistency
+            p.AddP70colorA("TransparentColor", c.r, c.g, c.b);
+            // TransparencyFactor defaults to 0.0, so set it to 1.0.
+            // note: Maya always sets this to 1.0,
+            // so we can't use it sensibly as "Opacity".
+            // In stead we rely on the legacy "Opacity" value, below.
+            // Blender also relies on "Opacity" not "TransparencyFactor",
+            // probably for a similar reason.
+            p.AddP70numberA("TransparencyFactor", 1.0);
+        }
+        if (m->Get(AI_MATKEY_COLOR_REFLECTIVE, c) == aiReturn_SUCCESS) {
+            p.AddP70colorA("ReflectionColor", c.r, c.g, c.b);
+        }
+        if (m->Get(AI_MATKEY_REFLECTIVITY, f) == aiReturn_SUCCESS) {
+            p.AddP70numberA("ReflectionFactor", f);
+        }
+        if (phong) {
+            if (m->Get(AI_MATKEY_COLOR_SPECULAR, c) == aiReturn_SUCCESS) {
+                p.AddP70colorA("SpecularColor", c.r, c.g, c.b);
+            }
+            if (m->Get(AI_MATKEY_SHININESS_STRENGTH, f) == aiReturn_SUCCESS) {
+                p.AddP70numberA("ShininessFactor", f);
+            }
+            if (m->Get(AI_MATKEY_SHININESS, f) == aiReturn_SUCCESS) {
+                p.AddP70numberA("ShininessExponent", f);
+            }
+            if (m->Get(AI_MATKEY_REFLECTIVITY, f) == aiReturn_SUCCESS) {
+                p.AddP70numberA("ReflectionFactor", f);
+            }
+        }
+
+        // Now the legacy system.
+        // For safety let's include it.
+        // thrse values don't exist in the property template,
+        // and usually are completely ignored when loading.
+        // One notable exception is the "Opacity" property,
+        // which Blender uses as (1.0 - alpha).
+        c.r = 0.0f; c.g = 0.0f; c.b = 0.0f;
+        m->Get(AI_MATKEY_COLOR_EMISSIVE, c);
+        p.AddP70vector("Emissive", c.r, c.g, c.b);
+        c.r = 0.2f; c.g = 0.2f; c.b = 0.2f;
+        m->Get(AI_MATKEY_COLOR_AMBIENT, c);
+        p.AddP70vector("Ambient", c.r, c.g, c.b);
+        c.r = 0.8f; c.g = 0.8f; c.b = 0.8f;
+        m->Get(AI_MATKEY_COLOR_DIFFUSE, c);
+        p.AddP70vector("Diffuse", c.r, c.g, c.b);
+        // The FBX SDK determines "Opacity" from transparency colour (RGB)
+        // and factor (F) as: O = (1.0 - F * ((R + G + B) / 3)).
+        // However we actually have an opacity value,
+        // so we should take it from AI_MATKEY_OPACITY if possible.
+        // It might make more sense to use TransparencyFactor,
+        // but Blender actually loads "Opacity" correctly, so let's use it.
+        f = 1.0f;
+        if (m->Get(AI_MATKEY_COLOR_TRANSPARENT, c) == aiReturn_SUCCESS) {
+            f = 1.0f - ((c.r + c.g + c.b) / 3.0f);
+        }
+        m->Get(AI_MATKEY_OPACITY, f);
+        p.AddP70double("Opacity", f);
+        if (phong) {
+            // specular color is multiplied by shininess_strength
+            c.r = 0.2f; c.g = 0.2f; c.b = 0.2f;
+            m->Get(AI_MATKEY_COLOR_SPECULAR, c);
+            f = 1.0f;
+            m->Get(AI_MATKEY_SHININESS_STRENGTH, f);
+            p.AddP70vector("Specular", f*c.r, f*c.g, f*c.b);
+            f = 20.0f;
+            m->Get(AI_MATKEY_SHININESS, f);
+            p.AddP70double("Shininess", f);
+            // Legacy "Reflectivity" is F*F*((R+G+B)/3),
+            // where F is the proportion of light reflected (AKA reflectivity),
+            // and RGB is the reflective colour of the material.
+            // No idea why, but we might as well set it the same way.
+            f = 0.0f;
+            m->Get(AI_MATKEY_REFLECTIVITY, f);
+            c.r = 1.0f, c.g = 1.0f, c.b = 1.0f;
+            m->Get(AI_MATKEY_COLOR_REFLECTIVE, c);
+            p.AddP70double("Reflectivity", f*f*((c.r+c.g+c.b)/3.0));
+        }
+
+        n.AddChild(p);
+
+        n.Dump(outstream, binary, indent);
+    }
+
+    // we need to look up all the images we're using,
+    // so we can generate uids, and eliminate duplicates.
+    std::map<std::string, int64_t> uid_by_image;
+    for (size_t i = 0; i < mScene->mNumMaterials; ++i) {
+        aiString texpath;
+        aiMaterial* mat = mScene->mMaterials[i];
+        for (
+            size_t tt = aiTextureType_DIFFUSE;
+            tt < aiTextureType_UNKNOWN;
+            ++tt
+        ){
+            const aiTextureType textype = static_cast<aiTextureType>(tt);
+            const size_t texcount = mat->GetTextureCount(textype);
+            for (size_t j = 0; j < texcount; ++j) {
+                mat->GetTexture(textype, (unsigned int)j, &texpath);
+                const std::string texstring = texpath.C_Str();
+                auto elem = uid_by_image.find(texstring);
+                if (elem == uid_by_image.end()) {
+                    uid_by_image[texstring] = generate_uid();
+                }
+            }
+        }
+    }
+
+    // FbxVideo - stores images used by textures.
+    for (const auto &it : uid_by_image) {
+        if (it.first.compare(0, 1, "*") == 0) {
+            // TODO: embedded textures
+            continue;
+        }
+        FBX::Node n("Video");
+        const int64_t& uid = it.second;
+        const std::string name = ""; // TODO: ... name???
+        n.AddProperties(uid, name + FBX::SEPARATOR + "Video", "Clip");
+        n.AddChild("Type", "Clip");
+        FBX::Node p("Properties70");
+        // TODO: get full path... relative path... etc... ugh...
+        // for now just use the same path for everything,
+        // and hopefully one of them will work out.
+        const std::string& path = it.first;
+        p.AddP70("Path", "KString", "XRefUrl", "", path);
+        n.AddChild(p);
+        n.AddChild("UseMipMap", int32_t(0));
+        n.AddChild("Filename", path);
+        n.AddChild("RelativeFilename", path);
+        n.Dump(outstream, binary, indent);
+    }
+
+    // Textures
+    // referenced by material_index/texture_type pairs.
+    std::map<std::pair<size_t,size_t>,int64_t> texture_uids;
+    const std::map<aiTextureType,std::string> prop_name_by_tt = {
+        {aiTextureType_DIFFUSE, "DiffuseColor"},
+        {aiTextureType_SPECULAR, "SpecularColor"},
+        {aiTextureType_AMBIENT, "AmbientColor"},
+        {aiTextureType_EMISSIVE, "EmissiveColor"},
+        {aiTextureType_HEIGHT, "Bump"},
+        {aiTextureType_NORMALS, "NormalMap"},
+        {aiTextureType_SHININESS, "ShininessExponent"},
+        {aiTextureType_OPACITY, "TransparentColor"},
+        {aiTextureType_DISPLACEMENT, "DisplacementColor"},
+        //{aiTextureType_LIGHTMAP, "???"},
+        {aiTextureType_REFLECTION, "ReflectionColor"}
+        //{aiTextureType_UNKNOWN, ""}
+    };
+    for (size_t i = 0; i < mScene->mNumMaterials; ++i) {
+        // textures are attached to materials
+        aiMaterial* mat = mScene->mMaterials[i];
+        int64_t material_uid = material_uids[i];
+
+        for (
+            size_t j = aiTextureType_DIFFUSE;
+            j < aiTextureType_UNKNOWN;
+            ++j
+        ) {
+            const aiTextureType tt = static_cast<aiTextureType>(j);
+            size_t n = mat->GetTextureCount(tt);
+
+            if (n < 1) { // no texture of this type
+                continue;
+            }
+
+            if (n > 1) {
+                // TODO: multilayer textures
+                std::stringstream err;
+                err << "Multilayer textures not supported (for now),";
+                err << " skipping texture type " << j;
+                err << " of material " << i;
+                ASSIMP_LOG_WARN(err.str());
+            }
+
+            // get image path for this (single-image) texture
+            aiString tpath;
+            if (mat->GetTexture(tt, 0, &tpath) != aiReturn_SUCCESS) {
+                std::stringstream err;
+                err << "Failed to get texture 0 for texture of type " << tt;
+                err << " on material " << i;
+                err << ", however GetTextureCount returned 1.";
+                throw DeadlyExportError(err.str());
+            }
+            const std::string texture_path(tpath.C_Str());
+
+            // get connected image uid
+            auto elem = uid_by_image.find(texture_path);
+            if (elem == uid_by_image.end()) {
+                // this should never happen
+                std::stringstream err;
+                err << "Failed to find video element for texture with path";
+                err << " \"" << texture_path << "\"";
+                err << ", type " << j << ", material " << i;
+                throw DeadlyExportError(err.str());
+            }
+            const int64_t image_uid = elem->second;
+
+            // get the name of the material property to connect to
+            auto elem2 = prop_name_by_tt.find(tt);
+            if (elem2 == prop_name_by_tt.end()) {
+                // don't know how to handle this type of texture,
+                // so skip it.
+                std::stringstream err;
+                err << "Not sure how to handle texture of type " << j;
+                err << " on material " << i;
+                err << ", skipping...";
+                ASSIMP_LOG_WARN(err.str());
+                continue;
+            }
+            const std::string& prop_name = elem2->second;
+
+            // generate a uid for this texture
+            const int64_t texture_uid = generate_uid();
+
+            // link the texture to the material
+            connections.emplace_back(
+                "C", "OP", texture_uid, material_uid, prop_name
+            );
+
+            // link the image data to the texture
+            connections.emplace_back("C", "OO", image_uid, texture_uid);
+
+            // now write the actual texture node
+            FBX::Node tnode("Texture");
+            // TODO: some way to determine texture name?
+            const std::string texture_name = "" + FBX::SEPARATOR + "Texture";
+            tnode.AddProperties(texture_uid, texture_name, "");
+            // there really doesn't seem to be a better type than this:
+            tnode.AddChild("Type", "TextureVideoClip");
+            tnode.AddChild("Version", int32_t(202));
+            tnode.AddChild("TextureName", texture_name);
+            FBX::Node p("Properties70");
+            p.AddP70enum("CurrentTextureBlendMode", 0); // TODO: verify
+            //p.AddP70string("UVSet", ""); // TODO: how should this work?
+            p.AddP70bool("UseMaterial", 1);
+            tnode.AddChild(p);
+            // can't easily detrmine which texture path will be correct,
+            // so just store what we have in every field.
+            // these being incorrect is a common problem with FBX anyway.
+            tnode.AddChild("FileName", texture_path);
+            tnode.AddChild("RelativeFilename", texture_path);
+            tnode.AddChild("ModelUVTranslation", double(0.0), double(0.0));
+            tnode.AddChild("ModelUVScaling", double(1.0), double(1.0));
+            tnode.AddChild("Texture_Alpha_Source", "None");
+            tnode.AddChild(
+                "Cropping", int32_t(0), int32_t(0), int32_t(0), int32_t(0)
+            );
+            tnode.Dump(outstream, binary, indent);
+        }
+    }
+
+    // bones.
+    //
+    // output structure:
+    // subset of node hierarchy that are "skeleton",
+    // i.e. do not have meshes but only bones.
+    // but.. i'm not sure how anyone could guarantee that...
+    //
+    // input...
+    // well, for each mesh it has "bones",
+    // and the bone names correspond to nodes.
+    // of course we also need the parent nodes,
+    // as they give some of the transform........
+    //
+    // well. we can assume a sane input, i suppose.
+    //
+    // so input is the bone node hierarchy,
+    // with an extra thing for the transformation of the MESH in BONE space.
+    //
+    // output is a set of bone nodes,
+    // a "bindpose" which indicates the default local transform of all bones,
+    // and a set of "deformers".
+    // each deformer is parented to a mesh geometry,
+    // and has one or more "subdeformer"s as children.
+    // each subdeformer has one bone node as a child,
+    // and represents the influence of that bone on the grandparent mesh.
+    // the subdeformer has a list of indices, and weights,
+    // with indices specifying vertex indices,
+    // and weights specifying the corresponding influence of this bone.
+    // it also has Transform and TransformLink elements,
+    // specifying the transform of the MESH in BONE space,
+    // and the transformation of the BONE in WORLD space,
+    // likely in the bindpose.
+    //
+    // the input bone structure is different but similar,
+    // storing the number of weights for this bone,
+    // and an array of (vertex index, weight) pairs.
+    //
+    // one sticky point is that the number of vertices may not match,
+    // because assimp splits vertices by normal, uv, etc.
+
+    // first we should mark the skeleton for each mesh.
+    // the skeleton must include not only the aiBones,
+    // but also all their parent nodes.
+    // anything that affects the position of any bone node must be included.
+    std::vector<std::set<const aiNode*>> skeleton_by_mesh(mScene->mNumMeshes);
+    // at the same time we can build a list of all the skeleton nodes,
+    // which will be used later to mark them as type "limbNode".
+    std::unordered_set<const aiNode*> limbnodes;
+    // and a map of nodes by bone name, as finding them is annoying.
+    std::map<std::string,aiNode*> node_by_bone;
+    for (size_t mi = 0; mi < mScene->mNumMeshes; ++mi) {
+        const aiMesh* m = mScene->mMeshes[mi];
+        std::set<const aiNode*> skeleton;
+        for (size_t bi =0; bi < m->mNumBones; ++bi) {
+            const aiBone* b = m->mBones[bi];
+            const std::string name(b->mName.C_Str());
+            auto elem = node_by_bone.find(name);
+            aiNode* n;
+            if (elem != node_by_bone.end()) {
+                n = elem->second;
+            } else {
+                n = mScene->mRootNode->FindNode(b->mName);
+                if (!n) {
+                    // this should never happen
+                    std::stringstream err;
+                    err << "Failed to find node for bone: \"" << name << "\"";
+                    throw DeadlyExportError(err.str());
+                }
+                node_by_bone[name] = n;
+                limbnodes.insert(n);
+            }
+            skeleton.insert(n);
+            // mark all parent nodes as skeleton as well,
+            // up until we find the root node,
+            // or else the node containing the mesh,
+            // or else the parent of a node containig the mesh.
+            for (
+                const aiNode* parent = n->mParent;
+                parent && parent != mScene->mRootNode;
+                parent = parent->mParent
+            ) {
+                // if we've already done this node we can skip it all
+                if (skeleton.count(parent)) {
+                    break;
+                }
+                // ignore fbx transform nodes as these will be collapsed later
+                // TODO: cache this by aiNode*
+                const std::string node_name(parent->mName.C_Str());
+                if (node_name.find(MAGIC_NODE_TAG) != std::string::npos) {
+                    continue;
+                }
+                // otherwise check if this is the root of the skeleton
+                bool end = false;
+                // is the mesh part of this node?
+                for (size_t i = 0; i < parent->mNumMeshes; ++i) {
+                    if (parent->mMeshes[i] == mi) {
+                        end = true;
+                        break;
+                    }
+                }
+                // is the mesh in one of the children of this node?
+                for (size_t j = 0; j < parent->mNumChildren; ++j) {
+                    aiNode* child = parent->mChildren[j];
+                    for (size_t i = 0; i < child->mNumMeshes; ++i) {
+                        if (child->mMeshes[i] == mi) {
+                            end = true;
+                            break;
+                        }
+                    }
+                    if (end) { break; }
+                }
+                limbnodes.insert(parent);
+                skeleton.insert(parent);
+                // if it was the skeleton root we can finish here
+                if (end) { break; }
+            }
+        }
+        skeleton_by_mesh[mi] = skeleton;
+    }
+
+    // we'll need the uids for the bone nodes, so generate them now
+    for (size_t i = 0; i < mScene->mNumMeshes; ++i) {
+        auto &s = skeleton_by_mesh[i];
+        for (const aiNode* n : s) {
+            auto elem = node_uids.find(n);
+            if (elem == node_uids.end()) {
+                node_uids[n] = generate_uid();
+            }
+        }
+    }
+
+    // now, for each aiMesh, we need to export a deformer,
+    // and for each aiBone a subdeformer,
+    // which should have all the skinning info.
+    // these will need to be connected properly to the mesh,
+    // and we can do that all now.
+    for (size_t mi = 0; mi < mScene->mNumMeshes; ++mi) {
+        const aiMesh* m = mScene->mMeshes[mi];
+        if (!m->HasBones()) {
+            continue;
+        }
+        // make a deformer for this mesh
+        int64_t deformer_uid = generate_uid();
+        FBX::Node dnode("Deformer");
+        dnode.AddProperties(deformer_uid, FBX::SEPARATOR + "Deformer", "Skin");
+        dnode.AddChild("Version", int32_t(101));
+        // "acuracy"... this is not a typo....
+        dnode.AddChild("Link_DeformAcuracy", double(50));
+        dnode.AddChild("SkinningType", "Linear"); // TODO: other modes?
+        dnode.Dump(outstream, binary, indent);
+
+        // connect it
+        connections.emplace_back("C", "OO", deformer_uid, mesh_uids[mi]);
+
+        // we will be indexing by vertex...
+        // but there might be a different number of "vertices"
+        // between assimp and our output FBX.
+        // this code is cut-and-pasted from the geometry section above...
+        // ideally this should not be so.
+        // ---
+        // index of original vertex in vertex data vector
+        std::vector<int32_t> vertex_indices;
+        // map of vertex value to its index in the data vector
+        std::map<aiVector3D,size_t> index_by_vertex_value;
+        int32_t index = 0;
+        for (size_t vi = 0; vi < m->mNumVertices; ++vi) {
+            aiVector3D vtx = m->mVertices[vi];
+            auto elem = index_by_vertex_value.find(vtx);
+            if (elem == index_by_vertex_value.end()) {
+                vertex_indices.push_back(index);
+                index_by_vertex_value[vtx] = index;
+                ++index;
+            } else {
+                vertex_indices.push_back(int32_t(elem->second));
+            }
+        }
+
+        // TODO, FIXME: this won't work if anything is not in the bind pose.
+        // for now if such a situation is detected, we throw an exception.
+        std::set<const aiBone*> not_in_bind_pose;
+        std::set<const aiNode*> no_offset_matrix;
+
+        // first get this mesh's position in world space,
+        // as we'll need it for each subdeformer.
+        //
+        // ...of course taking the position of the MESH doesn't make sense,
+        // as it can be instanced to many nodes.
+        // All we can do is assume no instancing,
+        // and take the first node we find that contains the mesh.
+        aiNode* mesh_node = get_node_for_mesh((unsigned int)mi, mScene->mRootNode);
+        aiMatrix4x4 mesh_xform = get_world_transform(mesh_node, mScene);
+
+        // now make a subdeformer for each bone in the skeleton
+        const std::set<const aiNode*> &skeleton = skeleton_by_mesh[mi];
+        for (const aiNode* bone_node : skeleton) {
+            // if there's a bone for this node, find it
+            const aiBone* b = nullptr;
+            for (size_t bi = 0; bi < m->mNumBones; ++bi) {
+                // TODO: this probably should index by something else
+                const std::string name(m->mBones[bi]->mName.C_Str());
+                if (node_by_bone[name] == bone_node) {
+                    b = m->mBones[bi];
+                    break;
+                }
+            }
+            if (!b) {
+                no_offset_matrix.insert(bone_node);
+            }
+
+            // start the subdeformer node
+            const int64_t subdeformer_uid = generate_uid();
+            FBX::Node sdnode("Deformer");
+            sdnode.AddProperties(
+                subdeformer_uid, FBX::SEPARATOR + "SubDeformer", "Cluster"
+            );
+            sdnode.AddChild("Version", int32_t(100));
+            sdnode.AddChild("UserData", "", "");
+
+            // add indices and weights, if any
+            if (b) {
+                std::vector<int32_t> subdef_indices;
+                std::vector<double> subdef_weights;
+                int32_t last_index = -1;
+                for (size_t wi = 0; wi < b->mNumWeights; ++wi) {
+                    int32_t vi = vertex_indices[b->mWeights[wi].mVertexId];
+                    if (vi == last_index) {
+                        // only for vertices we exported to fbx
+                        // TODO, FIXME: this assumes identically-located vertices
+                        // will always deform in the same way.
+                        // as assimp doesn't store a separate list of "positions",
+                        // there's not much that can be done about this
+                        // other than assuming that identical position means
+                        // identical vertex.
+                        continue;
+                    }
+                    subdef_indices.push_back(vi);
+                    subdef_weights.push_back(b->mWeights[wi].mWeight);
+                    last_index = vi;
+                }
+                // yes, "indexes"
+                sdnode.AddChild("Indexes", subdef_indices);
+                sdnode.AddChild("Weights", subdef_weights);
+            }
+
+            // transform is the transform of the mesh, but in bone space.
+            // if the skeleton is in the bind pose,
+            // we can take the inverse of the world-space bone transform
+            // and multiply by the world-space transform of the mesh.
+            aiMatrix4x4 bone_xform = get_world_transform(bone_node, mScene);
+            aiMatrix4x4 inverse_bone_xform = bone_xform;
+            inverse_bone_xform.Inverse();
+            aiMatrix4x4 tr = inverse_bone_xform * mesh_xform;
+
+            // this should be the same as the bone's mOffsetMatrix.
+            // if it's not the same, the skeleton isn't in the bind pose.
+            const float epsilon = 1e-4f; // some error is to be expected
+            bool bone_xform_okay = true;
+            if (b && ! tr.Equal(b->mOffsetMatrix, epsilon)) {
+                not_in_bind_pose.insert(b);
+                bone_xform_okay = false;
+            }
+
+            // if we have a bone we should use the mOffsetMatrix,
+            // otherwise try to just use the calculated transform.
+            if (b) {
+                sdnode.AddChild("Transform", b->mOffsetMatrix);
+            } else {
+                sdnode.AddChild("Transform", tr);
+            }
+            // note: it doesn't matter if we mix these,
+            // because if they disagree we'll throw an exception later.
+            // it could be that the skeleton is not in the bone pose
+            // but all bones are still defined,
+            // in which case this would use the mOffsetMatrix for everything
+            // and a correct skeleton would still be output.
+
+            // transformlink should be the position of the bone in world space.
+            // if the bone is in the bind pose (or nonexistent),
+            // we can just use the matrix we already calculated
+            if (bone_xform_okay) {
+                sdnode.AddChild("TransformLink", bone_xform);
+            // otherwise we can only work it out using the mesh position.
+            } else {
+                aiMatrix4x4 trl = b->mOffsetMatrix;
+                trl.Inverse();
+                trl *= mesh_xform;
+                sdnode.AddChild("TransformLink", trl);
+            }
+            // note: this means we ALWAYS rely on the mesh node transform
+            // being unchanged from the time the skeleton was bound.
+            // there's not really any way around this at the moment.
+
+            // done
+            sdnode.Dump(outstream, binary, indent);
+
+            // lastly, connect to the parent deformer
+            connections.emplace_back(
+                "C", "OO", subdeformer_uid, deformer_uid
+            );
+
+            // we also need to connect the limb node to the subdeformer.
+            connections.emplace_back(
+                "C", "OO", node_uids[bone_node], subdeformer_uid
+            );
+        }
+
+        // if we cannot create a valid FBX file, simply die.
+        // this will both prevent unnecessary bug reports,
+        // and tell the user what they can do to fix the situation
+        // (i.e. export their model in the bind pose).
+        if (no_offset_matrix.size() && not_in_bind_pose.size()) {
+            std::stringstream err;
+            err << "Not enough information to construct bind pose";
+            err << " for mesh " << mi << "!";
+            err << " Transform matrix for bone \"";
+            err << (*not_in_bind_pose.begin())->mName.C_Str() << "\"";
+            if (not_in_bind_pose.size() > 1) {
+                err << " (and " << not_in_bind_pose.size() - 1 << " more)";
+            }
+            err << " does not match mOffsetMatrix,";
+            err << " and node \"";
+            err << (*no_offset_matrix.begin())->mName.C_Str() << "\"";
+            if (no_offset_matrix.size() > 1) {
+                err << " (and " << no_offset_matrix.size() - 1 << " more)";
+            }
+            err << " has no offset matrix to rely on.";
+            err << " Please ensure bones are in the bind pose to export.";
+            throw DeadlyExportError(err.str());
+        }
+
+    }
+
+    // BindPose
+    //
+    // This is a legacy system, which should be unnecessary.
+    //
+    // Somehow including it slows file loading by the official FBX SDK,
+    // and as it can reconstruct it from the deformers anyway,
+    // this is not currently included.
+    //
+    // The code is kept here in case it's useful in the future,
+    // but it's pretty much a hack anyway,
+    // as assimp doesn't store bindpose information for full skeletons.
+    //
+    /*for (size_t mi = 0; mi < mScene->mNumMeshes; ++mi) {
+        aiMesh* mesh = mScene->mMeshes[mi];
+        if (! mesh->HasBones()) { continue; }
+        int64_t bindpose_uid = generate_uid();
+        FBX::Node bpnode("Pose");
+        bpnode.AddProperty(bindpose_uid);
+        // note: this uid is never linked or connected to anything.
+        bpnode.AddProperty(FBX::SEPARATOR + "Pose"); // blank name
+        bpnode.AddProperty("BindPose");
+
+        bpnode.AddChild("Type", "BindPose");
+        bpnode.AddChild("Version", int32_t(100));
+
+        aiNode* mesh_node = get_node_for_mesh(mi, mScene->mRootNode);
+
+        // next get the whole skeleton for this mesh.
+        // we need it all to define the bindpose section.
+        // the FBX SDK will complain if it's missing,
+        // and also if parents of used bones don't have a subdeformer.
+        // order shouldn't matter.
+        std::set<aiNode*> skeleton;
+        for (size_t bi = 0; bi < mesh->mNumBones; ++bi) {
+            // bone node should have already been indexed
+            const aiBone* b = mesh->mBones[bi];
+            const std::string bone_name(b->mName.C_Str());
+            aiNode* parent = node_by_bone[bone_name];
+            // insert all nodes down to the root or mesh node
+            while (
+                parent
+                && parent != mScene->mRootNode
+                && parent != mesh_node
+            ) {
+                skeleton.insert(parent);
+                parent = parent->mParent;
+            }
+        }
+
+        // number of pose nodes. includes one for the mesh itself.
+        bpnode.AddChild("NbPoseNodes", int32_t(1 + skeleton.size()));
+
+        // the first pose node is always the mesh itself
+        FBX::Node pose("PoseNode");
+        pose.AddChild("Node", mesh_uids[mi]);
+        aiMatrix4x4 mesh_node_xform = get_world_transform(mesh_node, mScene);
+        pose.AddChild("Matrix", mesh_node_xform);
+        bpnode.AddChild(pose);
+
+        for (aiNode* bonenode : skeleton) {
+            // does this node have a uid yet?
+            int64_t node_uid;
+            auto node_uid_iter = node_uids.find(bonenode);
+            if (node_uid_iter != node_uids.end()) {
+                node_uid = node_uid_iter->second;
+            } else {
+                node_uid = generate_uid();
+                node_uids[bonenode] = node_uid;
+            }
+
+            // make a pose thingy
+            pose = FBX::Node("PoseNode");
+            pose.AddChild("Node", node_uid);
+            aiMatrix4x4 node_xform = get_world_transform(bonenode, mScene);
+            pose.AddChild("Matrix", node_xform);
+            bpnode.AddChild(pose);
+        }
+
+        // now write it
+        bpnode.Dump(outstream, binary, indent);
+    }*/
+
+    // TODO: cameras, lights
+
+    // write nodes (i.e. model hierarchy)
+    // start at root node
+    WriteModelNodes(
+        outstream, mScene->mRootNode, 0, limbnodes
+    );
+
+    // animations
+    //
+    // in FBX there are:
+    // * AnimationStack - corresponds to an aiAnimation
+    // * AnimationLayer - a combinable animation component
+    // * AnimationCurveNode - links the property to be animated
+    // * AnimationCurve - defines animation data for a single property value
+    //
+    // the CurveNode also provides the default value for a property,
+    // such as the X, Y, Z coordinates for animatable translation.
+    //
+    // the Curve only specifies values for one component of the property,
+    // so there will be a separate AnimationCurve for X, Y, and Z.
+    //
+    // Assimp has:
+    // * aiAnimation - basically corresponds to an AnimationStack
+    // * aiNodeAnim - defines all animation for one aiNode
+    // * aiVectorKey/aiQuatKey - define the keyframe data for T/R/S
+    //
+    // assimp has no equivalent for AnimationLayer,
+    // and these are flattened on FBX import.
+    // we can assume there will be one per AnimationStack.
+    //
+    // the aiNodeAnim contains all animation data for a single aiNode,
+    // which will correspond to three AnimationCurveNode's:
+    // one each for translation, rotation and scale.
+    // The data for each of these will be put in 9 AnimationCurve's,
+    // T.X, T.Y, T.Z, R.X, R.Y, R.Z, etc.
+
+    // AnimationStack / aiAnimation
+    std::vector<int64_t> animation_stack_uids(mScene->mNumAnimations);
+    for (size_t ai = 0; ai < mScene->mNumAnimations; ++ai) {
+        int64_t animstack_uid = generate_uid();
+        animation_stack_uids[ai] = animstack_uid;
+        const aiAnimation* anim = mScene->mAnimations[ai];
+
+        FBX::Node asnode("AnimationStack");
+        std::string name = anim->mName.C_Str() + FBX::SEPARATOR + "AnimStack";
+        asnode.AddProperties(animstack_uid, name, "");
+        FBX::Node p("Properties70");
+        p.AddP70time("LocalStart", 0); // assimp doesn't store this
+        p.AddP70time("LocalStop", to_ktime(anim->mDuration, anim));
+        p.AddP70time("ReferenceStart", 0);
+        p.AddP70time("ReferenceStop", to_ktime(anim->mDuration, anim));
+        asnode.AddChild(p);
+
+        // this node absurdly always pretends it has children
+        // (in this case it does, but just in case...)
+        asnode.force_has_children = true;
+        asnode.Dump(outstream, binary, indent);
+
+        // note: animation stacks are not connected to anything
+    }
+
+    // AnimationLayer - one per aiAnimation
+    std::vector<int64_t> animation_layer_uids(mScene->mNumAnimations);
+    for (size_t ai = 0; ai < mScene->mNumAnimations; ++ai) {
+        int64_t animlayer_uid = generate_uid();
+        animation_layer_uids[ai] = animlayer_uid;
+        FBX::Node alnode("AnimationLayer");
+        alnode.AddProperties(animlayer_uid, FBX::SEPARATOR + "AnimLayer", "");
+
+        // this node absurdly always pretends it has children
+        alnode.force_has_children = true;
+        alnode.Dump(outstream, binary, indent);
+
+        // connect to the relevant animstack
+        connections.emplace_back(
+            "C", "OO", animlayer_uid, animation_stack_uids[ai]
+        );
+    }
+
+    // AnimCurveNode - three per aiNodeAnim
+    std::vector<std::vector<std::array<int64_t,3>>> curve_node_uids;
+    for (size_t ai = 0; ai < mScene->mNumAnimations; ++ai) {
+        const aiAnimation* anim = mScene->mAnimations[ai];
+        const int64_t layer_uid = animation_layer_uids[ai];
+        std::vector<std::array<int64_t,3>> nodeanim_uids;
+        for (size_t nai = 0; nai < anim->mNumChannels; ++nai) {
+            const aiNodeAnim* na = anim->mChannels[nai];
+            // get the corresponding aiNode
+            const aiNode* node = mScene->mRootNode->FindNode(na->mNodeName);
+            // and its transform
+            const aiMatrix4x4 node_xfm = get_world_transform(node, mScene);
+            aiVector3D T, R, S;
+            node_xfm.Decompose(S, R, T);
+
+            // AnimationCurveNode uids
+            std::array<int64_t,3> ids;
+            ids[0] = generate_uid(); // T
+            ids[1] = generate_uid(); // R
+            ids[2] = generate_uid(); // S
+
+            // translation
+            WriteAnimationCurveNode(outstream,
+                ids[0], "T", T, "Lcl Translation",
+                layer_uid, node_uids[node]
+            );
+
+            // rotation
+            WriteAnimationCurveNode(outstream,
+                ids[1], "R", R, "Lcl Rotation",
+                layer_uid, node_uids[node]
+            );
+
+            // scale
+            WriteAnimationCurveNode(outstream,
+                ids[2], "S", S, "Lcl Scale",
+                layer_uid, node_uids[node]
+            );
+
+            // store the uids for later use
+            nodeanim_uids.push_back(ids);
+        }
+        curve_node_uids.push_back(nodeanim_uids);
+    }
+
+    // AnimCurve - defines actual keyframe data.
+    // there's a separate curve for every component of every vector,
+    // for example a transform curvenode will have separate X/Y/Z AnimCurve's
+    for (size_t ai = 0; ai < mScene->mNumAnimations; ++ai) {
+        const aiAnimation* anim = mScene->mAnimations[ai];
+        for (size_t nai = 0; nai < anim->mNumChannels; ++nai) {
+            const aiNodeAnim* na = anim->mChannels[nai];
+            // get the corresponding aiNode
+            const aiNode* node = mScene->mRootNode->FindNode(na->mNodeName);
+            // and its transform
+            const aiMatrix4x4 node_xfm = get_world_transform(node, mScene);
+            aiVector3D T, R, S;
+            node_xfm.Decompose(S, R, T);
+            const std::array<int64_t,3>& ids = curve_node_uids[ai][nai];
+
+            std::vector<int64_t> times;
+            std::vector<float> xval, yval, zval;
+
+            // position/translation
+            for (size_t ki = 0; ki < na->mNumPositionKeys; ++ki) {
+                const aiVectorKey& k = na->mPositionKeys[ki];
+                times.push_back(to_ktime(k.mTime));
+                xval.push_back(k.mValue.x);
+                yval.push_back(k.mValue.y);
+                zval.push_back(k.mValue.z);
+            }
+            // one curve each for X, Y, Z
+            WriteAnimationCurve(outstream, T.x, times, xval, ids[0], "d|X");
+            WriteAnimationCurve(outstream, T.y, times, yval, ids[0], "d|Y");
+            WriteAnimationCurve(outstream, T.z, times, zval, ids[0], "d|Z");
+
+            // rotation
+            times.clear(); xval.clear(); yval.clear(); zval.clear();
+            for (size_t ki = 0; ki < na->mNumRotationKeys; ++ki) {
+                const aiQuatKey& k = na->mRotationKeys[ki];
+                times.push_back(to_ktime(k.mTime));
+                // TODO: aiQuaternion method to convert to Euler...
+                aiMatrix4x4 m(k.mValue.GetMatrix());
+                aiVector3D qs, qr, qt;
+                m.Decompose(qs, qr, qt);
+                qr *= DEG;
+                xval.push_back(qr.x);
+                yval.push_back(qr.y);
+                zval.push_back(qr.z);
+            }
+            WriteAnimationCurve(outstream, R.x, times, xval, ids[1], "d|X");
+            WriteAnimationCurve(outstream, R.y, times, yval, ids[1], "d|Y");
+            WriteAnimationCurve(outstream, R.z, times, zval, ids[1], "d|Z");
+
+            // scaling/scale
+            times.clear(); xval.clear(); yval.clear(); zval.clear();
+            for (size_t ki = 0; ki < na->mNumScalingKeys; ++ki) {
+                const aiVectorKey& k = na->mScalingKeys[ki];
+                times.push_back(to_ktime(k.mTime));
+                xval.push_back(k.mValue.x);
+                yval.push_back(k.mValue.y);
+                zval.push_back(k.mValue.z);
+            }
+            WriteAnimationCurve(outstream, S.x, times, xval, ids[2], "d|X");
+            WriteAnimationCurve(outstream, S.y, times, yval, ids[2], "d|Y");
+            WriteAnimationCurve(outstream, S.z, times, zval, ids[2], "d|Z");
+        }
+    }
+
+    indent = 0;
+    object_node.End(outstream, binary, indent, true);
+}
+
+// convenience map of magic node name strings to FBX properties,
+// including the expected type of transform.
+const std::map<std::string,std::pair<std::string,char>> transform_types = {
+    {"Translation", {"Lcl Translation", 't'}},
+    {"RotationOffset", {"RotationOffset", 't'}},
+    {"RotationPivot", {"RotationPivot", 't'}},
+    {"PreRotation", {"PreRotation", 'r'}},
+    {"Rotation", {"Lcl Rotation", 'r'}},
+    {"PostRotation", {"PostRotation", 'r'}},
+    {"RotationPivotInverse", {"RotationPivotInverse", 'i'}},
+    {"ScalingOffset", {"ScalingOffset", 't'}},
+    {"ScalingPivot", {"ScalingPivot", 't'}},
+    {"Scaling", {"Lcl Scaling", 's'}},
+    {"ScalingPivotInverse", {"ScalingPivotInverse", 'i'}},
+    {"GeometricScaling", {"GeometricScaling", 's'}},
+    {"GeometricRotation", {"GeometricRotation", 'r'}},
+    {"GeometricTranslation", {"GeometricTranslation", 't'}},
+    {"GeometricTranslationInverse", {"GeometricTranslationInverse", 'i'}},
+    {"GeometricRotationInverse", {"GeometricRotationInverse", 'i'}},
+    {"GeometricScalingInverse", {"GeometricScalingInverse", 'i'}}
+};
+
+// write a single model node to the stream
+void FBXExporter::WriteModelNode(
+    StreamWriterLE& outstream,
+    bool binary,
+    const aiNode* node,
+    int64_t node_uid,
+    const std::string& type,
+    const std::vector<std::pair<std::string,aiVector3D>>& transform_chain,
+    TransformInheritance inherit_type
+){
+    const aiVector3D zero = {0, 0, 0};
+    const aiVector3D one = {1, 1, 1};
+    FBX::Node m("Model");
+    std::string name = node->mName.C_Str() + FBX::SEPARATOR + "Model";
+    m.AddProperties(node_uid, name, type);
+    m.AddChild("Version", int32_t(232));
+    FBX::Node p("Properties70");
+    p.AddP70bool("RotationActive", 1);
+    p.AddP70int("DefaultAttributeIndex", 0);
+    p.AddP70enum("InheritType", inherit_type);
+    if (transform_chain.empty()) {
+        // decompose 4x4 transform matrix into TRS
+        aiVector3D t, r, s;
+        node->mTransformation.Decompose(s, r, t);
+        if (t != zero) {
+            p.AddP70(
+                "Lcl Translation", "Lcl Translation", "", "A",
+                double(t.x), double(t.y), double(t.z)
+            );
+        }
+        if (r != zero) {
+            p.AddP70(
+                "Lcl Rotation", "Lcl Rotation", "", "A",
+                double(DEG*r.x), double(DEG*r.y), double(DEG*r.z)
+            );
+        }
+        if (s != one) {
+            p.AddP70(
+                "Lcl Scaling", "Lcl Scaling", "", "A",
+                double(s.x), double(s.y), double(s.z)
+            );
+        }
+    } else {
+        // apply the transformation chain.
+        // these transformation elements are created when importing FBX,
+        // which has a complex transformation hierarchy for each node.
+        // as such we can bake the hierarchy back into the node on export.
+        for (auto &item : transform_chain) {
+            auto elem = transform_types.find(item.first);
+            if (elem == transform_types.end()) {
+                // then this is a bug
+                std::stringstream err;
+                err << "unrecognized FBX transformation type: ";
+                err << item.first;
+                throw DeadlyExportError(err.str());
+            }
+            const std::string &name = elem->second.first;
+            const aiVector3D &v = item.second;
+            if (name.compare(0, 4, "Lcl ") == 0) {
+                // special handling for animatable properties
+                p.AddP70(
+                    name, name, "", "A",
+                    double(v.x), double(v.y), double(v.z)
+                );
+            } else {
+                p.AddP70vector(name, v.x, v.y, v.z);
+            }
+        }
+    }
+    m.AddChild(p);
+
+    // not sure what these are for,
+    // but they seem to be omnipresent
+    m.AddChild("Shading", Property(true));
+    m.AddChild("Culling", Property("CullingOff"));
+
+    m.Dump(outstream, binary, 1);
+}
+
+// wrapper for WriteModelNodes to create and pass a blank transform chain
+void FBXExporter::WriteModelNodes(
+    StreamWriterLE& s,
+    const aiNode* node,
+    int64_t parent_uid,
+    const std::unordered_set<const aiNode*>& limbnodes
+) {
+    std::vector<std::pair<std::string,aiVector3D>> chain;
+    WriteModelNodes(s, node, parent_uid, limbnodes, chain);
+}
+
+void FBXExporter::WriteModelNodes(
+    StreamWriterLE& outstream,
+    const aiNode* node,
+    int64_t parent_uid,
+    const std::unordered_set<const aiNode*>& limbnodes,
+    std::vector<std::pair<std::string,aiVector3D>>& transform_chain
+) {
+    // first collapse any expanded transformation chains created by FBX import.
+    std::string node_name(node->mName.C_Str());
+    if (node_name.find(MAGIC_NODE_TAG) != std::string::npos) {
+        auto pos = node_name.find(MAGIC_NODE_TAG) + MAGIC_NODE_TAG.size() + 1;
+        std::string type_name = node_name.substr(pos);
+        auto elem = transform_types.find(type_name);
+        if (elem == transform_types.end()) {
+            // then this is a bug and should be fixed
+            std::stringstream err;
+            err << "unrecognized FBX transformation node";
+            err << " of type " << type_name << " in node " << node_name;
+            throw DeadlyExportError(err.str());
+        }
+        aiVector3D t, r, s;
+        node->mTransformation.Decompose(s, r, t);
+        switch (elem->second.second) {
+        case 'i': // inverse
+            // we don't need to worry about the inverse matrices
+            break;
+        case 't': // translation
+            transform_chain.emplace_back(elem->first, t);
+            break;
+        case 'r': // rotation
+            r *= float(DEG);
+            transform_chain.emplace_back(elem->first, r);
+            break;
+        case 's': // scale
+            transform_chain.emplace_back(elem->first, s);
+            break;
+        default:
+            // this should never happen
+            std::stringstream err;
+            err << "unrecognized FBX transformation type code: ";
+            err << elem->second.second;
+            throw DeadlyExportError(err.str());
+        }
+        // now continue on to any child nodes
+        for (unsigned i = 0; i < node->mNumChildren; ++i) {
+            WriteModelNodes(
+                outstream,
+                node->mChildren[i],
+                parent_uid,
+                limbnodes,
+                transform_chain
+            );
+        }
+        return;
+    }
+
+    int64_t node_uid = 0;
+    // generate uid and connect to parent, if not the root node,
+    if (node != mScene->mRootNode) {
+        auto elem = node_uids.find(node);
+        if (elem != node_uids.end()) {
+            node_uid = elem->second;
+        } else {
+            node_uid = generate_uid();
+            node_uids[node] = node_uid;
+        }
+        connections.emplace_back("C", "OO", node_uid, parent_uid);
+    }
+
+    // what type of node is this?
+    if (node == mScene->mRootNode) {
+        // handled later
+    } else if (node->mNumMeshes == 1) {
+        // connect to child mesh, which should have been written previously
+        connections.emplace_back(
+            "C", "OO", mesh_uids[node->mMeshes[0]], node_uid
+        );
+        // also connect to the material for the child mesh
+        connections.emplace_back(
+            "C", "OO",
+            material_uids[mScene->mMeshes[node->mMeshes[0]]->mMaterialIndex],
+            node_uid
+        );
+        // write model node
+        WriteModelNode(
+            outstream, binary, node, node_uid, "Mesh", transform_chain
+        );
+    } else if (limbnodes.count(node)) {
+        WriteModelNode(
+            outstream, binary, node, node_uid, "LimbNode", transform_chain
+        );
+        // we also need to write a nodeattribute to mark it as a skeleton
+        int64_t node_attribute_uid = generate_uid();
+        FBX::Node na("NodeAttribute");
+        na.AddProperties(
+            node_attribute_uid, FBX::SEPARATOR + "NodeAttribute", "LimbNode"
+        );
+        na.AddChild("TypeFlags", Property("Skeleton"));
+        na.Dump(outstream, binary, 1);
+        // and connect them
+        connections.emplace_back("C", "OO", node_attribute_uid, node_uid);
+    } else {
+        // generate a null node so we can add children to it
+        WriteModelNode(
+            outstream, binary, node, node_uid, "Null", transform_chain
+        );
+    }
+
+    // if more than one child mesh, make nodes for each mesh
+    if (node->mNumMeshes > 1 || node == mScene->mRootNode) {
+        for (size_t i = 0; i < node->mNumMeshes; ++i) {
+            // make a new model node
+            int64_t new_node_uid = generate_uid();
+            // connect to parent node
+            connections.emplace_back("C", "OO", new_node_uid, node_uid);
+            // connect to child mesh, which should have been written previously
+            connections.emplace_back(
+                "C", "OO", mesh_uids[node->mMeshes[i]], new_node_uid
+            );
+            // also connect to the material for the child mesh
+            connections.emplace_back(
+                "C", "OO",
+                material_uids[
+                    mScene->mMeshes[node->mMeshes[i]]->mMaterialIndex
+                ],
+                new_node_uid
+            );
+            // write model node
+            FBX::Node m("Model");
+            // take name from mesh name, if it exists
+            std::string name = mScene->mMeshes[node->mMeshes[i]]->mName.C_Str();
+            name += FBX::SEPARATOR + "Model";
+            m.AddProperties(new_node_uid, name, "Mesh");
+            m.AddChild("Version", int32_t(232));
+            FBX::Node p("Properties70");
+            p.AddP70enum("InheritType", 1);
+            m.AddChild(p);
+            m.Dump(outstream, binary, 1);
+        }
+    }
+
+    // now recurse into children
+    for (size_t i = 0; i < node->mNumChildren; ++i) {
+        WriteModelNodes(
+            outstream, node->mChildren[i], node_uid, limbnodes
+        );
+    }
+}
+
+
+void FBXExporter::WriteAnimationCurveNode(
+    StreamWriterLE& outstream,
+    int64_t uid,
+    std::string name, // "T", "R", or "S"
+    aiVector3D default_value,
+    std::string property_name, // "Lcl Translation" etc
+    int64_t layer_uid,
+    int64_t node_uid
+) {
+    FBX::Node n("AnimationCurveNode");
+    n.AddProperties(uid, name + FBX::SEPARATOR + "AnimCurveNode", "");
+    FBX::Node p("Properties70");
+    p.AddP70numberA("d|X", default_value.x);
+    p.AddP70numberA("d|Y", default_value.y);
+    p.AddP70numberA("d|Z", default_value.z);
+    n.AddChild(p);
+    n.Dump(outstream, binary, 1);
+    // connect to layer
+    this->connections.emplace_back("C", "OO", uid, layer_uid);
+    // connect to bone
+    this->connections.emplace_back("C", "OP", uid, node_uid, property_name);
+}
+
+
+void FBXExporter::WriteAnimationCurve(
+    StreamWriterLE& outstream,
+    double default_value,
+    const std::vector<int64_t>& times,
+    const std::vector<float>& values,
+    int64_t curvenode_uid,
+    const std::string& property_link // "d|X", "d|Y", etc
+) {
+    FBX::Node n("AnimationCurve");
+    int64_t curve_uid = generate_uid();
+    n.AddProperties(curve_uid, FBX::SEPARATOR + "AnimCurve", "");
+    n.AddChild("Default", default_value);
+    n.AddChild("KeyVer", int32_t(4009));
+    n.AddChild("KeyTime", times);
+    n.AddChild("KeyValueFloat", values);
+    // TODO: keyattr flags and data (STUB for now)
+    n.AddChild("KeyAttrFlags", std::vector<int32_t>{0});
+    n.AddChild("KeyAttrDataFloat", std::vector<float>{0,0,0,0});
+    n.AddChild(
+        "KeyAttrRefCount",
+        std::vector<int32_t>{static_cast<int32_t>(times.size())}
+    );
+    n.Dump(outstream, binary, 1);
+    this->connections.emplace_back(
+        "C", "OP", curve_uid, curvenode_uid, property_link
+    );
+}
+
+
+void FBXExporter::WriteConnections ()
+{
+    // we should have completed the connection graph already,
+    // so basically just dump it here
+    if (!binary) {
+        WriteAsciiSectionHeader("Object connections");
+    }
+    // TODO: comments with names in the ascii version
+    FBX::Node conn("Connections");
+    StreamWriterLE outstream(outfile);
+    conn.Begin(outstream, binary, 0);
+    conn.BeginChildren(outstream, binary, 0);
+    for (auto &n : connections) {
+        n.Dump(outstream, binary, 1);
+    }
+    conn.End(outstream, binary, 0, !connections.empty());
+    connections.clear();
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+#endif // ASSIMP_BUILD_NO_EXPORT
diff --git a/thirdparty/assimp/code/FBXExporter.h b/thirdparty/assimp/code/FBXExporter.h
new file mode 100644
index 0000000000..71fb55c57f
--- /dev/null
+++ b/thirdparty/assimp/code/FBXExporter.h
@@ -0,0 +1,178 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FBXExporter.h
+* Declares the exporter class to write a scene to an fbx file
+*/
+#ifndef AI_FBXEXPORTER_H_INC
+#define AI_FBXEXPORTER_H_INC
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#include "FBXExportNode.h" // FBX::Node
+#include "FBXCommon.h" // FBX::TransformInheritance
+
+#include <assimp/types.h>
+//#include <assimp/material.h>
+#include <assimp/StreamWriter.h> // StreamWriterLE
+#include <assimp/Exceptional.h> // DeadlyExportError
+
+#include <vector>
+#include <map>
+#include <unordered_set>
+#include <memory> // shared_ptr
+#include <sstream> // stringstream
+
+struct aiScene;
+struct aiNode;
+//struct aiMaterial;
+
+namespace Assimp
+{
+    class IOSystem;
+    class IOStream;
+    class ExportProperties;
+
+    // ---------------------------------------------------------------------
+    /** Helper class to export a given scene to an FBX file. */
+    // ---------------------------------------------------------------------
+    class FBXExporter
+    {
+    public:
+        /// Constructor for a specific scene to export
+        FBXExporter(const aiScene* pScene, const ExportProperties* pProperties);
+
+        // call one of these methods to export
+        void ExportBinary(const char* pFile, IOSystem* pIOSystem);
+        void ExportAscii(const char* pFile, IOSystem* pIOSystem);
+
+    private:
+        bool binary; // whether current export is in binary or ascii format
+        const aiScene* mScene; // the scene to export
+        const ExportProperties* mProperties; // currently unused
+        std::shared_ptr<IOStream> outfile; // file to write to
+
+        std::vector<FBX::Node> connections; // connection storage
+
+        std::vector<int64_t> mesh_uids;
+        std::vector<int64_t> material_uids;
+        std::map<const aiNode*,int64_t> node_uids;
+
+        // this crude unique-ID system is actually fine
+        int64_t last_uid = 999999;
+        int64_t generate_uid() { return ++last_uid; }
+
+        // binary files have a specific header and footer,
+        // in addition to the actual data
+        void WriteBinaryHeader();
+        void WriteBinaryFooter();
+
+        // ascii files have a comment at the top
+        void WriteAsciiHeader();
+
+        // WriteAllNodes does the actual export.
+        // It just calls all the Write<Section> methods below in order.
+        void WriteAllNodes();
+
+        // Methods to write individual sections.
+        // The order here matches the order inside an FBX file.
+        // Each method corresponds to a top-level FBX section,
+        // except WriteHeader which also includes some binary-only sections
+        // and WriteFooter which is binary data only.
+        void WriteHeaderExtension();
+        // WriteFileId(); // binary-only, included in WriteHeader
+        // WriteCreationTime(); // binary-only, included in WriteHeader
+        // WriteCreator(); // binary-only, included in WriteHeader
+        void WriteGlobalSettings();
+        void WriteDocuments();
+        void WriteReferences();
+        void WriteDefinitions();
+        void WriteObjects();
+        void WriteConnections();
+        // WriteTakes(); // deprecated since at least 2015 (fbx 7.4)
+
+        // helpers
+        void WriteAsciiSectionHeader(const std::string& title);
+        void WriteModelNodes(
+            Assimp::StreamWriterLE& s,
+            const aiNode* node,
+            int64_t parent_uid,
+            const std::unordered_set<const aiNode*>& limbnodes
+        );
+        void WriteModelNodes( // usually don't call this directly
+            StreamWriterLE& s,
+            const aiNode* node,
+            int64_t parent_uid,
+            const std::unordered_set<const aiNode*>& limbnodes,
+            std::vector<std::pair<std::string,aiVector3D>>& transform_chain
+        );
+        void WriteModelNode( // nor this
+            StreamWriterLE& s,
+            bool binary,
+            const aiNode* node,
+            int64_t node_uid,
+            const std::string& type,
+            const std::vector<std::pair<std::string,aiVector3D>>& xfm_chain,
+            FBX::TransformInheritance ti_type=FBX::TransformInheritance_RSrs
+        );
+        void WriteAnimationCurveNode(
+            StreamWriterLE& outstream,
+            int64_t uid,
+            std::string name, // "T", "R", or "S"
+            aiVector3D default_value,
+            std::string property_name, // "Lcl Translation" etc
+            int64_t animation_layer_uid,
+            int64_t node_uid
+        );
+        void WriteAnimationCurve(
+            StreamWriterLE& outstream,
+            double default_value,
+            const std::vector<int64_t>& times,
+            const std::vector<float>& values,
+            int64_t curvenode_id,
+            const std::string& property_link // "d|X", "d|Y", etc
+        );
+    };
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#endif // AI_FBXEXPORTER_H_INC
diff --git a/thirdparty/assimp/code/FBXImportSettings.h b/thirdparty/assimp/code/FBXImportSettings.h
new file mode 100644
index 0000000000..d5e1c20608
--- /dev/null
+++ b/thirdparty/assimp/code/FBXImportSettings.h
@@ -0,0 +1,153 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXImportSettings.h
+ *  @brief FBX importer runtime configuration
+ */
+#ifndef INCLUDED_AI_FBX_IMPORTSETTINGS_H
+#define INCLUDED_AI_FBX_IMPORTSETTINGS_H
+
+namespace Assimp {
+namespace FBX {
+
+/** FBX import settings, parts of which are publicly accessible via their corresponding AI_CONFIG constants */
+struct ImportSettings
+{
+    ImportSettings()
+        : strictMode(true)
+        , readAllLayers(true)
+        , readAllMaterials(false)
+        , readMaterials(true)
+        , readTextures(true)
+        , readCameras(true)
+        , readLights(true)
+        , readAnimations(true)
+        , readWeights(true)
+        , preservePivots(true)
+        , optimizeEmptyAnimationCurves(true)
+        , useLegacyEmbeddedTextureNaming(false)
+    {}
+
+
+    /** enable strict mode:
+     *   - only accept fbx 2012, 2013 files
+     *   - on the slightest error, give up.
+     *
+     *  Basically, strict mode means that the fbx file will actually
+     *  be validated. Strict mode is off by default. */
+    bool strictMode;
+
+    /** specifies whether all geometry layers are read and scanned for
+      * usable data channels. The FBX spec indicates that many readers
+      * will only read the first channel and that this is in some way
+      * the recommended way- in reality, however, it happens a lot that
+      * vertex data is spread among multiple layers. The default
+      * value for this option is true.*/
+    bool readAllLayers;
+
+    /** specifies whether all materials are read, or only those that
+     *  are referenced by at least one mesh. Reading all materials
+     *  may make FBX reading a lot slower since all objects
+     *  need to be processed .
+     *  This bit is ignored unless readMaterials=true*/
+    bool readAllMaterials;
+
+
+    /** import materials (true) or skip them and assign a default
+     *  material. The default value is true.*/
+    bool readMaterials;
+
+    /** import embedded textures? Default value is true.*/
+    bool readTextures;
+
+    /** import cameras? Default value is true.*/
+    bool readCameras;
+
+    /** import light sources? Default value is true.*/
+    bool readLights;
+
+    /** import animations (i.e. animation curves, the node
+     *  skeleton is always imported). Default value is true. */
+    bool readAnimations;
+
+    /** read bones (vertex weights and deform info).
+     *  Default value is true. */
+    bool readWeights;
+
+    /** preserve transformation pivots and offsets. Since these can
+     *  not directly be represented in assimp, additional dummy
+     *  nodes will be generated. Note that settings this to false
+     *  can make animation import a lot slower. The default value
+     *  is true.
+     *
+     *  The naming scheme for the generated nodes is:
+     *    <OriginalName>_$AssimpFbx$_<TransformName>
+     *
+     *  where <TransformName> is one of
+     *    RotationPivot
+     *    RotationOffset
+     *    PreRotation
+     *    PostRotation
+     *    ScalingPivot
+     *    ScalingOffset
+     *    Translation
+     *    Scaling
+     *    Rotation
+     **/
+    bool preservePivots;
+
+    /** do not import animation curves that specify a constant
+     *  values matching the corresponding node transformation.
+     *  The default value is true. */
+    bool optimizeEmptyAnimationCurves;
+
+    /** use legacy naming for embedded textures eg: (*0, *1, *2)
+    **/
+    bool useLegacyEmbeddedTextureNaming;
+};
+
+
+} // !FBX
+} // !Assimp
+
+#endif
+
diff --git a/thirdparty/assimp/code/FBXImporter.cpp b/thirdparty/assimp/code/FBXImporter.cpp
new file mode 100644
index 0000000000..2cc8bffc29
--- /dev/null
+++ b/thirdparty/assimp/code/FBXImporter.cpp
@@ -0,0 +1,197 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+r
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXImporter.cpp
+ *  @brief Implementation of the FBX importer.
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXImporter.h"
+
+#include "FBXTokenizer.h"
+#include "FBXParser.h"
+#include "FBXUtil.h"
+#include "FBXDocument.h"
+#include "FBXConverter.h"
+
+#include <assimp/StreamReader.h>
+#include <assimp/MemoryIOWrapper.h>
+#include <assimp/Importer.hpp>
+#include <assimp/importerdesc.h>
+
+namespace Assimp {
+
+template<>
+const char* LogFunctions<FBXImporter>::Prefix() {
+    static auto prefix = "FBX: ";
+    return prefix;
+}
+
+}
+
+using namespace Assimp;
+using namespace Assimp::Formatter;
+using namespace Assimp::FBX;
+
+namespace {
+
+static const aiImporterDesc desc = {
+    "Autodesk FBX Importer",
+    "",
+    "",
+    "",
+    aiImporterFlags_SupportTextFlavour,
+    0,
+    0,
+    0,
+    0,
+    "fbx"
+};
+}
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by #Importer
+FBXImporter::FBXImporter()
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FBXImporter::~FBXImporter()
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the class can handle the format of the given file.
+bool FBXImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
+{
+    const std::string& extension = GetExtension(pFile);
+    if (extension == std::string( desc.mFileExtensions ) ) {
+        return true;
+    }
+
+    else if ((!extension.length() || checkSig) && pIOHandler)   {
+        // at least ASCII-FBX files usually have a 'FBX' somewhere in their head
+        const char* tokens[] = {"fbx"};
+        return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1);
+    }
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// List all extensions handled by this loader
+const aiImporterDesc* FBXImporter::GetInfo () const
+{
+    return &desc;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup configuration properties for the loader
+void FBXImporter::SetupProperties(const Importer* pImp)
+{
+    settings.readAllLayers = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS, true);
+    settings.readAllMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_MATERIALS, false);
+    settings.readMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_MATERIALS, true);
+    settings.readTextures = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_TEXTURES, true);
+    settings.readCameras = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_CAMERAS, true);
+    settings.readLights = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_LIGHTS, true);
+    settings.readAnimations = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ANIMATIONS, true);
+    settings.strictMode = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_STRICT_MODE, false);
+    settings.preservePivots = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS, true);
+    settings.optimizeEmptyAnimationCurves = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES, true);
+    settings.useLegacyEmbeddedTextureNaming = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING, false);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Imports the given file into the given scene structure.
+void FBXImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
+{
+    std::unique_ptr<IOStream> stream(pIOHandler->Open(pFile,"rb"));
+    if (!stream) {
+        ThrowException("Could not open file for reading");
+    }
+
+    // read entire file into memory - no streaming for this, fbx
+    // files can grow large, but the assimp output data structure
+    // then becomes very large, too. Assimp doesn't support
+    // streaming for its output data structures so the net win with
+    // streaming input data would be very low.
+    std::vector<char> contents;
+    contents.resize(stream->FileSize()+1);
+    stream->Read( &*contents.begin(), 1, contents.size()-1 );
+    contents[ contents.size() - 1 ] = 0;
+    const char* const begin = &*contents.begin();
+
+    // broadphase tokenizing pass in which we identify the core
+    // syntax elements of FBX (brackets, commas, key:value mappings)
+    TokenList tokens;
+    try {
+
+        bool is_binary = false;
+        if (!strncmp(begin,"Kaydara FBX Binary",18)) {
+            is_binary = true;
+            TokenizeBinary(tokens,begin,static_cast<unsigned int>(contents.size()));
+        }
+        else {
+            Tokenize(tokens,begin);
+        }
+
+        // use this information to construct a very rudimentary
+        // parse-tree representing the FBX scope structure
+        Parser parser(tokens, is_binary);
+
+        // take the raw parse-tree and convert it to a FBX DOM
+        Document doc(parser,settings);
+
+        // convert the FBX DOM to aiScene
+        ConvertToAssimpScene(pScene,doc);
+
+        std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>());
+    }
+    catch(std::exception&) {
+        std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>());
+        throw;
+    }
+}
+
+#endif // !ASSIMP_BUILD_NO_FBX_IMPORTER
diff --git a/thirdparty/assimp/code/FBXImporter.h b/thirdparty/assimp/code/FBXImporter.h
new file mode 100644
index 0000000000..c365b2cddf
--- /dev/null
+++ b/thirdparty/assimp/code/FBXImporter.h
@@ -0,0 +1,100 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXImporter.h
+ *  @brief Declaration of the FBX main importer class
+ */
+#ifndef INCLUDED_AI_FBX_IMPORTER_H
+#define INCLUDED_AI_FBX_IMPORTER_H
+
+#include <assimp/BaseImporter.h>
+#include <assimp/LogAux.h>
+
+#include "FBXImportSettings.h"
+
+namespace Assimp    {
+
+// TinyFormatter.h
+namespace Formatter {
+    template <typename T,typename TR, typename A> class basic_formatter;
+    typedef class basic_formatter< char, std::char_traits<char>, std::allocator<char> > format;
+}
+
+// -------------------------------------------------------------------------------------------
+/** Load the Autodesk FBX file format.
+
+ See http://en.wikipedia.org/wiki/FBX
+*/
+// -------------------------------------------------------------------------------------------
+class FBXImporter : public BaseImporter, public LogFunctions<FBXImporter>
+{
+public:
+    FBXImporter();
+    virtual ~FBXImporter();
+
+    // --------------------
+    bool CanRead( const std::string& pFile,
+        IOSystem* pIOHandler,
+        bool checkSig
+    ) const;
+
+protected:
+
+    // --------------------
+    const aiImporterDesc* GetInfo () const;
+
+    // --------------------
+    void SetupProperties(const Importer* pImp);
+
+    // --------------------
+    void InternReadFile( const std::string& pFile,
+        aiScene* pScene,
+        IOSystem* pIOHandler
+    );
+
+private:
+    FBX::ImportSettings settings;
+}; // !class FBXImporter
+
+} // end of namespace Assimp
+#endif // !INCLUDED_AI_FBX_IMPORTER_H
+
diff --git a/thirdparty/assimp/code/FBXMaterial.cpp b/thirdparty/assimp/code/FBXMaterial.cpp
new file mode 100644
index 0000000000..08347740fa
--- /dev/null
+++ b/thirdparty/assimp/code/FBXMaterial.cpp
@@ -0,0 +1,351 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXMaterial.cpp
+ *  @brief Assimp::FBX::Material and Assimp::FBX::Texture implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXImporter.h"
+#include "FBXImportSettings.h"
+#include "FBXDocumentUtil.h"
+#include "FBXProperties.h"
+#include <assimp/ByteSwapper.h>
+
+#include <algorithm> // std::transform
+
+namespace Assimp {
+namespace FBX {
+
+    using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Material::Material(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Object(id,element,name)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const ShadingModel = sc["ShadingModel"];
+    const Element* const MultiLayer = sc["MultiLayer"];
+
+    if(MultiLayer) {
+        multilayer = !!ParseTokenAsInt(GetRequiredToken(*MultiLayer,0));
+    }
+
+    if(ShadingModel) {
+        shading = ParseTokenAsString(GetRequiredToken(*ShadingModel,0));
+    }
+    else {
+        DOMWarning("shading mode not specified, assuming phong",&element);
+        shading = "phong";
+    }
+
+    std::string templateName;
+
+    // lower-case shading because Blender (for example) writes "Phong"
+    std::transform(shading.begin(), shading.end(), shading.begin(), ::tolower);
+    if(shading == "phong") {
+        templateName = "Material.FbxSurfacePhong";
+    }
+    else if(shading == "lambert") {
+        templateName = "Material.FbxSurfaceLambert";
+    }
+    else {
+        DOMWarning("shading mode not recognized: " + shading,&element);
+    }
+
+    props = GetPropertyTable(doc,templateName,element,sc);
+
+    // resolve texture links
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());
+    for(const Connection* con : conns) {
+
+        // texture link to properties, not objects
+        if (!con->PropertyName().length()) {
+            continue;
+        }
+
+        const Object* const ob = con->SourceObject();
+        if(!ob) {
+            DOMWarning("failed to read source object for texture link, ignoring",&element);
+            continue;
+        }
+
+        const Texture* const tex = dynamic_cast<const Texture*>(ob);
+        if(!tex) {
+            const LayeredTexture* const layeredTexture = dynamic_cast<const LayeredTexture*>(ob);
+            if(!layeredTexture) {
+                DOMWarning("source object for texture link is not a texture or layered texture, ignoring",&element);
+                continue;
+            }
+            const std::string& prop = con->PropertyName();
+            if (layeredTextures.find(prop) != layeredTextures.end()) {
+                DOMWarning("duplicate layered texture link: " + prop,&element);
+            }
+
+            layeredTextures[prop] = layeredTexture;
+            ((LayeredTexture*)layeredTexture)->fillTexture(doc);
+        }
+        else
+        {
+            const std::string& prop = con->PropertyName();
+            if (textures.find(prop) != textures.end()) {
+                DOMWarning("duplicate texture link: " + prop,&element);
+            }
+
+            textures[prop] = tex;
+        }
+
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Material::~Material()
+{
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Texture::Texture(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Object(id,element,name)
+, uvScaling(1.0f,1.0f)
+, media(0)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const Type = sc["Type"];
+    const Element* const FileName = sc["FileName"];
+    const Element* const RelativeFilename = sc["RelativeFilename"];
+    const Element* const ModelUVTranslation = sc["ModelUVTranslation"];
+    const Element* const ModelUVScaling = sc["ModelUVScaling"];
+    const Element* const Texture_Alpha_Source = sc["Texture_Alpha_Source"];
+    const Element* const Cropping = sc["Cropping"];
+
+    if(Type) {
+        type = ParseTokenAsString(GetRequiredToken(*Type,0));
+    }
+
+    if(FileName) {
+        fileName = ParseTokenAsString(GetRequiredToken(*FileName,0));
+    }
+
+    if(RelativeFilename) {
+        relativeFileName = ParseTokenAsString(GetRequiredToken(*RelativeFilename,0));
+    }
+
+    if(ModelUVTranslation) {
+        uvTrans = aiVector2D(ParseTokenAsFloat(GetRequiredToken(*ModelUVTranslation,0)),
+            ParseTokenAsFloat(GetRequiredToken(*ModelUVTranslation,1))
+        );
+    }
+
+    if(ModelUVScaling) {
+        uvScaling = aiVector2D(ParseTokenAsFloat(GetRequiredToken(*ModelUVScaling,0)),
+            ParseTokenAsFloat(GetRequiredToken(*ModelUVScaling,1))
+        );
+    }
+
+    if(Cropping) {
+        crop[0] = ParseTokenAsInt(GetRequiredToken(*Cropping,0));
+        crop[1] = ParseTokenAsInt(GetRequiredToken(*Cropping,1));
+        crop[2] = ParseTokenAsInt(GetRequiredToken(*Cropping,2));
+        crop[3] = ParseTokenAsInt(GetRequiredToken(*Cropping,3));
+    }
+    else {
+        // vc8 doesn't support the crop() syntax in initialization lists
+        // (and vc9 WARNS about the new (i.e. compliant) behaviour).
+        crop[0] = crop[1] = crop[2] = crop[3] = 0;
+    }
+
+    if(Texture_Alpha_Source) {
+        alphaSource = ParseTokenAsString(GetRequiredToken(*Texture_Alpha_Source,0));
+    }
+
+    props = GetPropertyTable(doc,"Texture.FbxFileTexture",element,sc);
+
+    // resolve video links
+    if(doc.Settings().readTextures) {
+        const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());
+        for(const Connection* con : conns) {
+            const Object* const ob = con->SourceObject();
+            if(!ob) {
+                DOMWarning("failed to read source object for texture link, ignoring",&element);
+                continue;
+            }
+
+            const Video* const video = dynamic_cast<const Video*>(ob);
+            if(video) {
+                media = video;
+            }
+        }
+    }
+}
+
+
+Texture::~Texture()
+{
+
+}
+
+LayeredTexture::LayeredTexture(uint64_t id, const Element& element, const Document& /*doc*/, const std::string& name)
+: Object(id,element,name)
+,blendMode(BlendMode_Modulate)
+,alpha(1)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const BlendModes = sc["BlendModes"];
+    const Element* const Alphas = sc["Alphas"];
+
+
+    if(BlendModes!=0)
+    {
+        blendMode = (BlendMode)ParseTokenAsInt(GetRequiredToken(*BlendModes,0));
+    }
+    if(Alphas!=0)
+    {
+        alpha = ParseTokenAsFloat(GetRequiredToken(*Alphas,0));
+    }
+}
+
+LayeredTexture::~LayeredTexture()
+{
+    
+}
+
+void LayeredTexture::fillTexture(const Document& doc)
+{
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());
+    for(size_t i = 0; i < conns.size();++i)
+    {
+        const Connection* con = conns.at(i);
+
+        const Object* const ob = con->SourceObject();
+        if(!ob) {
+            DOMWarning("failed to read source object for texture link, ignoring",&element);
+            continue;
+        }
+
+        const Texture* const tex = dynamic_cast<const Texture*>(ob);
+
+        textures.push_back(tex);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Video::Video(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Object(id,element,name)
+, contentLength(0)
+, content(0)
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const Element* const Type = sc["Type"];
+    const Element* const FileName = sc.FindElementCaseInsensitive("FileName");  //some files retain the information as "Filename", others "FileName", who knows
+    const Element* const RelativeFilename = sc["RelativeFilename"];
+    const Element* const Content = sc["Content"];
+
+    if(Type) {
+        type = ParseTokenAsString(GetRequiredToken(*Type,0));
+    }
+
+    if(FileName) {
+        fileName = ParseTokenAsString(GetRequiredToken(*FileName,0));
+    }
+
+    if(RelativeFilename) {
+        relativeFileName = ParseTokenAsString(GetRequiredToken(*RelativeFilename,0));
+    }
+
+    if(Content) {
+        //this field is omitted when the embedded texture is already loaded, let's ignore if it's not found
+        try {
+            const Token& token = GetRequiredToken(*Content, 0);
+            const char* data = token.begin();
+            if (!token.IsBinary()) {
+                DOMWarning("video content is not binary data, ignoring", &element);
+            }
+            else if (static_cast<size_t>(token.end() - data) < 5) {
+                DOMError("binary data array is too short, need five (5) bytes for type signature and element count", &element);
+            }
+            else if (*data != 'R') {
+                DOMWarning("video content is not raw binary data, ignoring", &element);
+            }
+            else {
+                // read number of elements
+                uint32_t len = 0;
+                ::memcpy(&len, data + 1, sizeof(len));
+                AI_SWAP4(len);
+
+                contentLength = len;
+
+                content = new uint8_t[len];
+                ::memcpy(content, data + 5, len);
+            }
+        } catch (const runtime_error& runtimeError)
+        {
+            //we don't need the content data for contents that has already been loaded
+            ASSIMP_LOG_DEBUG_F("Caught exception in FBXMaterial (likely because content was already loaded): ",
+                    runtimeError.what());
+        }
+    }
+
+    props = GetPropertyTable(doc,"Video.FbxVideo",element,sc);
+}
+
+
+Video::~Video()
+{
+    if(content) {
+        delete[] content;
+    }
+}
+
+} //!FBX
+} //!Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXMeshGeometry.cpp b/thirdparty/assimp/code/FBXMeshGeometry.cpp
new file mode 100644
index 0000000000..d75476b826
--- /dev/null
+++ b/thirdparty/assimp/code/FBXMeshGeometry.cpp
@@ -0,0 +1,711 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXMeshGeometry.cpp
+ *  @brief Assimp::FBX::MeshGeometry implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include <functional>
+
+#include "FBXMeshGeometry.h"
+#include "FBXDocument.h"
+#include "FBXImporter.h"
+#include "FBXImportSettings.h"
+#include "FBXDocumentUtil.h"
+
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Geometry::Geometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+    : Object(id, element, name)
+    , skin()
+{
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer");
+    for(const Connection* con : conns) {
+        const Skin* const sk = ProcessSimpleConnection<Skin>(*con, false, "Skin -> Geometry", element);
+        if(sk) {
+            skin = sk;
+        }
+        const BlendShape* const bsp = ProcessSimpleConnection<BlendShape>(*con, false, "BlendShape -> Geometry", element);
+        if (bsp) {
+            blendShapes.push_back(bsp);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+Geometry::~Geometry()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<const BlendShape*>& Geometry::GetBlendShapes() const {
+    return blendShapes;
+}
+
+// ------------------------------------------------------------------------------------------------
+const Skin* Geometry::DeformerSkin() const {
+    return skin;
+}
+
+// ------------------------------------------------------------------------------------------------
+MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+: Geometry(id, element,name, doc)
+{
+    const Scope* sc = element.Compound();
+    if (!sc) {
+        DOMError("failed to read Geometry object (class: Mesh), no data scope found");
+    }
+
+    // must have Mesh elements:
+    const Element& Vertices = GetRequiredElement(*sc,"Vertices",&element);
+    const Element& PolygonVertexIndex = GetRequiredElement(*sc,"PolygonVertexIndex",&element);
+
+    // optional Mesh elements:
+    const ElementCollection& Layer = sc->GetCollection("Layer");
+
+    std::vector<aiVector3D> tempVerts;
+    ParseVectorDataArray(tempVerts,Vertices);
+
+    if(tempVerts.empty()) {
+        FBXImporter::LogWarn("encountered mesh with no vertices");
+        return;
+    }
+
+    std::vector<int> tempFaces;
+    ParseVectorDataArray(tempFaces,PolygonVertexIndex);
+
+    if(tempFaces.empty()) {
+        FBXImporter::LogWarn("encountered mesh with no faces");
+        return;
+    }
+
+    m_vertices.reserve(tempFaces.size());
+    m_faces.reserve(tempFaces.size() / 3);
+
+    m_mapping_offsets.resize(tempVerts.size());
+    m_mapping_counts.resize(tempVerts.size(),0);
+    m_mappings.resize(tempFaces.size());
+
+    const size_t vertex_count = tempVerts.size();
+
+    // generate output vertices, computing an adjacency table to
+    // preserve the mapping from fbx indices to *this* indexing.
+    unsigned int count = 0;
+    for(int index : tempFaces) {
+        const int absi = index < 0 ? (-index - 1) : index;
+        if(static_cast<size_t>(absi) >= vertex_count) {
+            DOMError("polygon vertex index out of range",&PolygonVertexIndex);
+        }
+
+        m_vertices.push_back(tempVerts[absi]);
+        ++count;
+
+        ++m_mapping_counts[absi];
+
+        if (index < 0) {
+            m_faces.push_back(count);
+            count = 0;
+        }
+    }
+
+    unsigned int cursor = 0;
+    for (size_t i = 0, e = tempVerts.size(); i < e; ++i) {
+        m_mapping_offsets[i] = cursor;
+        cursor += m_mapping_counts[i];
+
+        m_mapping_counts[i] = 0;
+    }
+
+    cursor = 0;
+    for(int index : tempFaces) {
+        const int absi = index < 0 ? (-index - 1) : index;
+        m_mappings[m_mapping_offsets[absi] + m_mapping_counts[absi]++] = cursor++;
+    }
+
+    // if settings.readAllLayers is true:
+    //  * read all layers, try to load as many vertex channels as possible
+    // if settings.readAllLayers is false:
+    //  * read only the layer with index 0, but warn about any further layers
+    for (ElementMap::const_iterator it = Layer.first; it != Layer.second; ++it) {
+        const TokenList& tokens = (*it).second->Tokens();
+
+        const char* err;
+        const int index = ParseTokenAsInt(*tokens[0], err);
+        if(err) {
+            DOMError(err,&element);
+        }
+
+        if(doc.Settings().readAllLayers || index == 0) {
+            const Scope& layer = GetRequiredScope(*(*it).second);
+            ReadLayer(layer);
+        }
+        else {
+            FBXImporter::LogWarn("ignoring additional geometry layers");
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+MeshGeometry::~MeshGeometry() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& MeshGeometry::GetVertices() const {
+    return m_vertices;
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& MeshGeometry::GetNormals() const {
+    return m_normals;
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& MeshGeometry::GetTangents() const {
+    return m_tangents;
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& MeshGeometry::GetBinormals() const {
+    return m_binormals;
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<unsigned int>& MeshGeometry::GetFaceIndexCounts() const {
+    return m_faces;
+}
+
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector2D>& MeshGeometry::GetTextureCoords( unsigned int index ) const {
+    static const std::vector<aiVector2D> empty;
+    return index >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? empty : m_uvs[ index ];
+}
+
+std::string MeshGeometry::GetTextureCoordChannelName( unsigned int index ) const {
+    return index >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? "" : m_uvNames[ index ];
+}
+
+const std::vector<aiColor4D>& MeshGeometry::GetVertexColors( unsigned int index ) const {
+    static const std::vector<aiColor4D> empty;
+    return index >= AI_MAX_NUMBER_OF_COLOR_SETS ? empty : m_colors[ index ];
+}
+
+const MatIndexArray& MeshGeometry::GetMaterialIndices() const {
+    return m_materials;
+}
+// ------------------------------------------------------------------------------------------------
+const unsigned int* MeshGeometry::ToOutputVertexIndex( unsigned int in_index, unsigned int& count ) const {
+    if ( in_index >= m_mapping_counts.size() ) {
+        return NULL;
+    }
+
+    ai_assert( m_mapping_counts.size() == m_mapping_offsets.size() );
+    count = m_mapping_counts[ in_index ];
+
+    ai_assert( m_mapping_offsets[ in_index ] + count <= m_mappings.size() );
+
+    return &m_mappings[ m_mapping_offsets[ in_index ] ];
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int MeshGeometry::FaceForVertexIndex( unsigned int in_index ) const {
+    ai_assert( in_index < m_vertices.size() );
+
+    // in the current conversion pattern this will only be needed if
+    // weights are present, so no need to always pre-compute this table
+    if ( m_facesVertexStartIndices.empty() ) {
+        m_facesVertexStartIndices.resize( m_faces.size() + 1, 0 );
+
+        std::partial_sum( m_faces.begin(), m_faces.end(), m_facesVertexStartIndices.begin() + 1 );
+        m_facesVertexStartIndices.pop_back();
+    }
+
+    ai_assert( m_facesVertexStartIndices.size() == m_faces.size() );
+    const std::vector<unsigned int>::iterator it = std::upper_bound(
+        m_facesVertexStartIndices.begin(),
+        m_facesVertexStartIndices.end(),
+        in_index
+        );
+
+    return static_cast< unsigned int >( std::distance( m_facesVertexStartIndices.begin(), it - 1 ) );
+}
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadLayer(const Scope& layer)
+{
+    const ElementCollection& LayerElement = layer.GetCollection("LayerElement");
+    for (ElementMap::const_iterator eit = LayerElement.first; eit != LayerElement.second; ++eit) {
+        const Scope& elayer = GetRequiredScope(*(*eit).second);
+
+        ReadLayerElement(elayer);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadLayerElement(const Scope& layerElement)
+{
+    const Element& Type = GetRequiredElement(layerElement,"Type");
+    const Element& TypedIndex = GetRequiredElement(layerElement,"TypedIndex");
+
+    const std::string& type = ParseTokenAsString(GetRequiredToken(Type,0));
+    const int typedIndex = ParseTokenAsInt(GetRequiredToken(TypedIndex,0));
+
+    const Scope& top = GetRequiredScope(element);
+    const ElementCollection candidates = top.GetCollection(type);
+
+    for (ElementMap::const_iterator it = candidates.first; it != candidates.second; ++it) {
+        const int index = ParseTokenAsInt(GetRequiredToken(*(*it).second,0));
+        if(index == typedIndex) {
+            ReadVertexData(type,typedIndex,GetRequiredScope(*(*it).second));
+            return;
+        }
+    }
+
+    FBXImporter::LogError(Formatter::format("failed to resolve vertex layer element: ")
+        << type << ", index: " << typedIndex);
+}
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadVertexData(const std::string& type, int index, const Scope& source)
+{
+    const std::string& MappingInformationType = ParseTokenAsString(GetRequiredToken(
+        GetRequiredElement(source,"MappingInformationType"),0)
+    );
+
+    const std::string& ReferenceInformationType = ParseTokenAsString(GetRequiredToken(
+        GetRequiredElement(source,"ReferenceInformationType"),0)
+    );
+
+    if (type == "LayerElementUV") {
+        if(index >= AI_MAX_NUMBER_OF_TEXTURECOORDS) {
+            FBXImporter::LogError(Formatter::format("ignoring UV layer, maximum number of UV channels exceeded: ")
+                << index << " (limit is " << AI_MAX_NUMBER_OF_TEXTURECOORDS << ")" );
+            return;
+        }
+
+        const Element* Name = source["Name"];
+        m_uvNames[index] = "";
+        if(Name) {
+            m_uvNames[index] = ParseTokenAsString(GetRequiredToken(*Name,0));
+        }
+
+        ReadVertexDataUV(m_uvs[index],source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+    }
+    else if (type == "LayerElementMaterial") {
+        if (m_materials.size() > 0) {
+            FBXImporter::LogError("ignoring additional material layer");
+            return;
+        }
+
+        std::vector<int> temp_materials;
+
+        ReadVertexDataMaterials(temp_materials,source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+
+        // sometimes, there will be only negative entries. Drop the material
+        // layer in such a case (I guess it means a default material should
+        // be used). This is what the converter would do anyway, and it
+        // avoids losing the material if there are more material layers
+        // coming of which at least one contains actual data (did observe
+        // that with one test file).
+        const size_t count_neg = std::count_if(temp_materials.begin(),temp_materials.end(),[](int n) { return n < 0; });
+        if(count_neg == temp_materials.size()) {
+            FBXImporter::LogWarn("ignoring dummy material layer (all entries -1)");
+            return;
+        }
+
+        std::swap(temp_materials, m_materials);
+    }
+    else if (type == "LayerElementNormal") {
+        if (m_normals.size() > 0) {
+            FBXImporter::LogError("ignoring additional normal layer");
+            return;
+        }
+
+        ReadVertexDataNormals(m_normals,source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+    }
+    else if (type == "LayerElementTangent") {
+        if (m_tangents.size() > 0) {
+            FBXImporter::LogError("ignoring additional tangent layer");
+            return;
+        }
+
+        ReadVertexDataTangents(m_tangents,source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+    }
+    else if (type == "LayerElementBinormal") {
+        if (m_binormals.size() > 0) {
+            FBXImporter::LogError("ignoring additional binormal layer");
+            return;
+        }
+
+        ReadVertexDataBinormals(m_binormals,source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+    }
+    else if (type == "LayerElementColor") {
+        if(index >= AI_MAX_NUMBER_OF_COLOR_SETS) {
+            FBXImporter::LogError(Formatter::format("ignoring vertex color layer, maximum number of color sets exceeded: ")
+                << index << " (limit is " << AI_MAX_NUMBER_OF_COLOR_SETS << ")" );
+            return;
+        }
+
+        ReadVertexDataColors(m_colors[index],source,
+            MappingInformationType,
+            ReferenceInformationType
+        );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Lengthy utility function to read and resolve a FBX vertex data array - that is, the
+// output is in polygon vertex order. This logic is used for reading normals, UVs, colors,
+// tangents ..
+template <typename T>
+void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType,
+    const char* dataElementName,
+    const char* indexDataElementName,
+    size_t vertex_count,
+    const std::vector<unsigned int>& mapping_counts,
+    const std::vector<unsigned int>& mapping_offsets,
+    const std::vector<unsigned int>& mappings)
+{
+    bool isDirect = ReferenceInformationType == "Direct";
+    bool isIndexToDirect = ReferenceInformationType == "IndexToDirect";
+
+    // fall-back to direct data if there is no index data element
+    if ( isIndexToDirect && !HasElement( source, indexDataElementName ) ) {
+        isDirect = true;
+        isIndexToDirect = false;
+    }
+
+    // handle permutations of Mapping and Reference type - it would be nice to
+    // deal with this more elegantly and with less redundancy, but right
+    // now it seems unavoidable.
+    if (MappingInformationType == "ByVertice" && isDirect) {
+        if (!HasElement(source, dataElementName)) {
+            return;
+        }
+        std::vector<T> tempData;
+		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
+
+        data_out.resize(vertex_count);
+		for (size_t i = 0, e = tempData.size(); i < e; ++i) {
+
+            const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i];
+            for (unsigned int j = istart; j < iend; ++j) {
+				data_out[mappings[j]] = tempData[i];
+            }
+        }
+    }
+    else if (MappingInformationType == "ByVertice" && isIndexToDirect) {
+		std::vector<T> tempData;
+		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
+
+        data_out.resize(vertex_count);
+
+        std::vector<int> uvIndices;
+        ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
+        for (size_t i = 0, e = uvIndices.size(); i < e; ++i) {
+
+            const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i];
+            for (unsigned int j = istart; j < iend; ++j) {
+				if (static_cast<size_t>(uvIndices[i]) >= tempData.size()) {
+                    DOMError("index out of range",&GetRequiredElement(source,indexDataElementName));
+                }
+				data_out[mappings[j]] = tempData[uvIndices[i]];
+            }
+        }
+    }
+    else if (MappingInformationType == "ByPolygonVertex" && isDirect) {
+		std::vector<T> tempData;
+		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
+
+		if (tempData.size() != vertex_count) {
+            FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ")
+				<< tempData.size() << ", expected " << vertex_count
+            );
+            return;
+        }
+
+		data_out.swap(tempData);
+    }
+    else if (MappingInformationType == "ByPolygonVertex" && isIndexToDirect) {
+		std::vector<T> tempData;
+		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
+
+        data_out.resize(vertex_count);
+
+        std::vector<int> uvIndices;
+        ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
+
+        if (uvIndices.size() != vertex_count) {
+            FBXImporter::LogError("length of input data unexpected for ByPolygonVertex mapping");
+            return;
+        }
+
+        const T empty;
+        unsigned int next = 0;
+        for(int i : uvIndices) {
+            if ( -1 == i ) {
+                data_out[ next++ ] = empty;
+                continue;
+            }
+            if (static_cast<size_t>(i) >= tempData.size()) {
+                DOMError("index out of range",&GetRequiredElement(source,indexDataElementName));
+            }
+
+			data_out[next++] = tempData[i];
+        }
+    }
+    else {
+        FBXImporter::LogError(Formatter::format("ignoring vertex data channel, access type not implemented: ")
+            << MappingInformationType << "," << ReferenceInformationType);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadVertexDataNormals(std::vector<aiVector3D>& normals_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    ResolveVertexDataArray(normals_out,source,MappingInformationType,ReferenceInformationType,
+        "Normals",
+        "NormalsIndex",
+        m_vertices.size(),
+        m_mapping_counts,
+        m_mapping_offsets,
+        m_mappings);
+}
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadVertexDataUV(std::vector<aiVector2D>& uv_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    ResolveVertexDataArray(uv_out,source,MappingInformationType,ReferenceInformationType,
+        "UV",
+        "UVIndex",
+        m_vertices.size(),
+        m_mapping_counts,
+        m_mapping_offsets,
+        m_mappings);
+}
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadVertexDataColors(std::vector<aiColor4D>& colors_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    ResolveVertexDataArray(colors_out,source,MappingInformationType,ReferenceInformationType,
+        "Colors",
+        "ColorIndex",
+        m_vertices.size(),
+        m_mapping_counts,
+        m_mapping_offsets,
+        m_mappings);
+}
+
+// ------------------------------------------------------------------------------------------------
+static const std::string TangentIndexToken = "TangentIndex";
+static const std::string TangentsIndexToken = "TangentsIndex";
+
+void MeshGeometry::ReadVertexDataTangents(std::vector<aiVector3D>& tangents_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    const char * str = source.Elements().count( "Tangents" ) > 0 ? "Tangents" : "Tangent";
+    const char * strIdx = source.Elements().count( "Tangents" ) > 0 ? TangentsIndexToken.c_str() : TangentIndexToken.c_str();
+    ResolveVertexDataArray(tangents_out,source,MappingInformationType,ReferenceInformationType,
+        str,
+        strIdx,
+        m_vertices.size(),
+        m_mapping_counts,
+        m_mapping_offsets,
+        m_mappings);
+}
+
+// ------------------------------------------------------------------------------------------------
+static const std::string BinormalIndexToken = "BinormalIndex";
+static const std::string BinormalsIndexToken = "BinormalsIndex";
+
+void MeshGeometry::ReadVertexDataBinormals(std::vector<aiVector3D>& binormals_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    const char * str = source.Elements().count( "Binormals" ) > 0 ? "Binormals" : "Binormal";
+    const char * strIdx = source.Elements().count( "Binormals" ) > 0 ? BinormalsIndexToken.c_str() : BinormalIndexToken.c_str();
+    ResolveVertexDataArray(binormals_out,source,MappingInformationType,ReferenceInformationType,
+        str,
+        strIdx,
+        m_vertices.size(),
+        m_mapping_counts,
+        m_mapping_offsets,
+        m_mappings);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, const Scope& source,
+    const std::string& MappingInformationType,
+    const std::string& ReferenceInformationType)
+{
+    const size_t face_count = m_faces.size();
+    ai_assert(face_count);
+
+    // materials are handled separately. First of all, they are assigned per-face
+    // and not per polyvert. Secondly, ReferenceInformationType=IndexToDirect
+    // has a slightly different meaning for materials.
+    ParseVectorDataArray(materials_out,GetRequiredElement(source,"Materials"));
+
+    if (MappingInformationType == "AllSame") {
+        // easy - same material for all faces
+        if (materials_out.empty()) {
+            FBXImporter::LogError(Formatter::format("expected material index, ignoring"));
+            return;
+        }
+        else if (materials_out.size() > 1) {
+            FBXImporter::LogWarn(Formatter::format("expected only a single material index, ignoring all except the first one"));
+            materials_out.clear();
+        }
+
+        m_materials.assign(m_vertices.size(),materials_out[0]);
+    }
+    else if (MappingInformationType == "ByPolygon" && ReferenceInformationType == "IndexToDirect") {
+        m_materials.resize(face_count);
+
+        if(materials_out.size() != face_count) {
+            FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ")
+                << materials_out.size() << ", expected " << face_count
+            );
+            return;
+        }
+    }
+    else {
+        FBXImporter::LogError(Formatter::format("ignoring material assignments, access type not implemented: ")
+            << MappingInformationType << "," << ReferenceInformationType);
+    }
+}
+// ------------------------------------------------------------------------------------------------
+ShapeGeometry::ShapeGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+    : Geometry(id, element, name, doc)
+{
+    const Scope* sc = element.Compound();
+    if (!sc) {
+        DOMError("failed to read Geometry object (class: Shape), no data scope found");
+    }
+    const Element& Indexes = GetRequiredElement(*sc, "Indexes", &element);
+    const Element& Normals = GetRequiredElement(*sc, "Normals", &element);
+    const Element& Vertices = GetRequiredElement(*sc, "Vertices", &element);
+    ParseVectorDataArray(m_indices, Indexes);
+    ParseVectorDataArray(m_vertices, Vertices);
+    ParseVectorDataArray(m_normals, Normals);
+}
+
+// ------------------------------------------------------------------------------------------------
+ShapeGeometry::~ShapeGeometry() {
+    // empty
+}
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& ShapeGeometry::GetVertices() const {
+    return m_vertices;
+}
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& ShapeGeometry::GetNormals() const {
+    return m_normals;
+}
+// ------------------------------------------------------------------------------------------------
+const std::vector<unsigned int>& ShapeGeometry::GetIndices() const {
+    return m_indices;
+}
+// ------------------------------------------------------------------------------------------------
+LineGeometry::LineGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
+    : Geometry(id, element, name, doc)
+{
+    const Scope* sc = element.Compound();
+    if (!sc) {
+        DOMError("failed to read Geometry object (class: Line), no data scope found");
+    }
+    const Element& Points = GetRequiredElement(*sc, "Points", &element);
+    const Element& PointsIndex = GetRequiredElement(*sc, "PointsIndex", &element);
+    ParseVectorDataArray(m_vertices, Points);
+    ParseVectorDataArray(m_indices, PointsIndex);
+}
+
+// ------------------------------------------------------------------------------------------------
+LineGeometry::~LineGeometry() {
+    // empty
+}
+// ------------------------------------------------------------------------------------------------
+const std::vector<aiVector3D>& LineGeometry::GetVertices() const {
+    return m_vertices;
+}
+// ------------------------------------------------------------------------------------------------
+const std::vector<int>& LineGeometry::GetIndices() const {
+    return m_indices;
+}
+} // !FBX
+} // !Assimp
+#endif
+
diff --git a/thirdparty/assimp/code/FBXMeshGeometry.h b/thirdparty/assimp/code/FBXMeshGeometry.h
new file mode 100644
index 0000000000..d6d4512177
--- /dev/null
+++ b/thirdparty/assimp/code/FBXMeshGeometry.h
@@ -0,0 +1,235 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXImporter.h
+*  @brief Declaration of the FBX main importer class
+*/
+#ifndef INCLUDED_AI_FBX_MESHGEOMETRY_H
+#define INCLUDED_AI_FBX_MESHGEOMETRY_H
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+
+namespace Assimp {
+namespace FBX {
+
+/** 
+ *  DOM base class for all kinds of FBX geometry 
+ */
+class Geometry : public Object
+{
+public:
+    Geometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
+    virtual ~Geometry();
+
+    /** Get the Skin attached to this geometry or NULL */
+    const Skin* DeformerSkin() const;
+
+    /** Get the BlendShape attached to this geometry or NULL */
+    const std::vector<const BlendShape*>& GetBlendShapes() const;
+
+private:
+    const Skin* skin;
+    std::vector<const BlendShape*> blendShapes;
+
+};
+
+typedef std::vector<int> MatIndexArray;
+
+
+/** 
+ *  DOM class for FBX geometry of type "Mesh"
+ */
+class MeshGeometry : public Geometry
+{
+public:
+    /** The class constructor */
+    MeshGeometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
+    
+    /** The class destructor */
+    virtual ~MeshGeometry();
+
+    /** Get a list of all vertex points, non-unique*/
+    const std::vector<aiVector3D>& GetVertices() const;
+
+    /** Get a list of all vertex normals or an empty array if
+    *  no normals are specified. */
+    const std::vector<aiVector3D>& GetNormals() const;
+
+    /** Get a list of all vertex tangents or an empty array
+    *  if no tangents are specified */
+    const std::vector<aiVector3D>& GetTangents() const;
+
+    /** Get a list of all vertex bi-normals or an empty array
+    *  if no bi-normals are specified */
+    const std::vector<aiVector3D>& GetBinormals() const;
+
+    /** Return list of faces - each entry denotes a face and specifies
+    *  how many vertices it has. Vertices are taken from the
+    *  vertex data arrays in sequential order. */
+    const std::vector<unsigned int>& GetFaceIndexCounts() const;
+
+    /** Get a UV coordinate slot, returns an empty array if
+    *  the requested slot does not exist. */
+    const std::vector<aiVector2D>& GetTextureCoords( unsigned int index ) const;
+
+    /** Get a UV coordinate slot, returns an empty array if
+    *  the requested slot does not exist. */
+    std::string GetTextureCoordChannelName( unsigned int index ) const;
+
+    /** Get a vertex color coordinate slot, returns an empty array if
+    *  the requested slot does not exist. */
+    const std::vector<aiColor4D>& GetVertexColors( unsigned int index ) const;
+
+    /** Get per-face-vertex material assignments */
+    const MatIndexArray& GetMaterialIndices() const;
+
+    /** Convert from a fbx file vertex index (for example from a #Cluster weight) or NULL
+    * if the vertex index is not valid. */
+    const unsigned int* ToOutputVertexIndex( unsigned int in_index, unsigned int& count ) const;
+
+    /** Determine the face to which a particular output vertex index belongs.
+    *  This mapping is always unique. */
+    unsigned int FaceForVertexIndex( unsigned int in_index ) const;
+private:
+    void ReadLayer( const Scope& layer );
+    void ReadLayerElement( const Scope& layerElement );
+    void ReadVertexData( const std::string& type, int index, const Scope& source );
+
+    void ReadVertexDataUV( std::vector<aiVector2D>& uv_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+    void ReadVertexDataNormals( std::vector<aiVector3D>& normals_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+    void ReadVertexDataColors( std::vector<aiColor4D>& colors_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+    void ReadVertexDataTangents( std::vector<aiVector3D>& tangents_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+    void ReadVertexDataBinormals( std::vector<aiVector3D>& binormals_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+    void ReadVertexDataMaterials( MatIndexArray& materials_out, const Scope& source,
+        const std::string& MappingInformationType,
+        const std::string& ReferenceInformationType );
+
+private:
+    // cached data arrays
+    MatIndexArray m_materials;
+    std::vector<aiVector3D> m_vertices;
+    std::vector<unsigned int> m_faces;
+    mutable std::vector<unsigned int> m_facesVertexStartIndices;
+    std::vector<aiVector3D> m_tangents;
+    std::vector<aiVector3D> m_binormals;
+    std::vector<aiVector3D> m_normals;
+
+    std::string m_uvNames[ AI_MAX_NUMBER_OF_TEXTURECOORDS ];
+    std::vector<aiVector2D> m_uvs[ AI_MAX_NUMBER_OF_TEXTURECOORDS ];
+    std::vector<aiColor4D> m_colors[ AI_MAX_NUMBER_OF_COLOR_SETS ];
+
+    std::vector<unsigned int> m_mapping_counts;
+    std::vector<unsigned int> m_mapping_offsets;
+    std::vector<unsigned int> m_mappings;
+};
+
+/**
+*  DOM class for FBX geometry of type "Shape"
+*/
+class ShapeGeometry : public Geometry
+{
+public:
+    /** The class constructor */
+    ShapeGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc);
+
+    /** The class destructor */
+    virtual ~ShapeGeometry();
+
+    /** Get a list of all vertex points, non-unique*/
+    const std::vector<aiVector3D>& GetVertices() const;
+
+    /** Get a list of all vertex normals or an empty array if
+    *  no normals are specified. */
+    const std::vector<aiVector3D>& GetNormals() const;
+
+    /** Return list of vertex indices. */
+    const std::vector<unsigned int>& GetIndices() const;
+
+private:
+    std::vector<aiVector3D> m_vertices;
+    std::vector<aiVector3D> m_normals;
+    std::vector<unsigned int> m_indices;
+};
+/**
+*  DOM class for FBX geometry of type "Line"
+*/
+class LineGeometry : public Geometry
+{
+public:
+    /** The class constructor */
+    LineGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc);
+
+    /** The class destructor */
+    virtual ~LineGeometry();
+
+    /** Get a list of all vertex points, non-unique*/
+    const std::vector<aiVector3D>& GetVertices() const;
+
+    /** Return list of vertex indices. */
+    const std::vector<int>& GetIndices() const;
+
+private:
+    std::vector<aiVector3D> m_vertices;
+    std::vector<int> m_indices;
+};
+
+}
+}
+
+#endif // INCLUDED_AI_FBX_MESHGEOMETRY_H
+
diff --git a/thirdparty/assimp/code/FBXModel.cpp b/thirdparty/assimp/code/FBXModel.cpp
new file mode 100644
index 0000000000..589af36ac7
--- /dev/null
+++ b/thirdparty/assimp/code/FBXModel.cpp
@@ -0,0 +1,153 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXModel.cpp
+ *  @brief Assimp::FBX::Model implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXMeshGeometry.h"
+#include "FBXDocument.h"
+#include "FBXImporter.h"
+#include "FBXDocumentUtil.h"
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Model::Model(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+    : Object(id,element,name)
+    , shading("Y")
+{
+    const Scope& sc = GetRequiredScope(element);
+    const Element* const Shading = sc["Shading"];
+    const Element* const Culling = sc["Culling"];
+
+    if(Shading) {
+        shading = GetRequiredToken(*Shading,0).StringContents();
+    }
+
+    if (Culling) {
+        culling = ParseTokenAsString(GetRequiredToken(*Culling,0));
+    }
+
+    props = GetPropertyTable(doc,"Model.FbxNode",element,sc);
+    ResolveLinks(element,doc);
+}
+
+// ------------------------------------------------------------------------------------------------
+Model::~Model()
+{
+
+}
+
+// ------------------------------------------------------------------------------------------------
+void Model::ResolveLinks(const Element& element, const Document& doc)
+{
+    const char* const arr[] = {"Geometry","Material","NodeAttribute"};
+
+    // resolve material
+    const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),arr, 3);
+
+    materials.reserve(conns.size());
+    geometry.reserve(conns.size());
+    attributes.reserve(conns.size());
+    for(const Connection* con : conns) {
+
+        // material and geometry links should be Object-Object connections
+        if (con->PropertyName().length()) {
+            continue;
+        }
+
+        const Object* const ob = con->SourceObject();
+        if(!ob) {
+            DOMWarning("failed to read source object for incoming Model link, ignoring",&element);
+            continue;
+        }
+
+        const Material* const mat = dynamic_cast<const Material*>(ob);
+        if(mat) {
+            materials.push_back(mat);
+            continue;
+        }
+
+        const Geometry* const geo = dynamic_cast<const Geometry*>(ob);
+        if(geo) {
+            geometry.push_back(geo);
+            continue;
+        }
+
+        const NodeAttribute* const att = dynamic_cast<const NodeAttribute*>(ob);
+        if(att) {
+            attributes.push_back(att);
+            continue;
+        }
+
+        DOMWarning("source object for model link is neither Material, NodeAttribute nor Geometry, ignoring",&element);
+        continue;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Model::IsNull() const
+{
+    const std::vector<const NodeAttribute*>& attrs = GetAttributes();
+    for(const NodeAttribute* att : attrs) {
+
+        const Null* null_tag = dynamic_cast<const Null*>(att);
+        if(null_tag) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+
+} //!FBX
+} //!Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXNodeAttribute.cpp b/thirdparty/assimp/code/FBXNodeAttribute.cpp
new file mode 100644
index 0000000000..b72e5637ee
--- /dev/null
+++ b/thirdparty/assimp/code/FBXNodeAttribute.cpp
@@ -0,0 +1,170 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXNoteAttribute.cpp
+ *  @brief Assimp::FBX::NodeAttribute (and subclasses) implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXImporter.h"
+#include "FBXDocumentUtil.h"
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+NodeAttribute::NodeAttribute(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: Object(id,element,name)
+, props()
+{
+    const Scope& sc = GetRequiredScope(element);
+
+    const std::string& classname = ParseTokenAsString(GetRequiredToken(element,2));
+
+    // hack on the deriving type but Null/LimbNode attributes are the only case in which
+    // the property table is by design absent and no warning should be generated
+    // for it.
+    const bool is_null_or_limb = !strcmp(classname.c_str(), "Null") || !strcmp(classname.c_str(), "LimbNode");
+    props = GetPropertyTable(doc,"NodeAttribute.Fbx" + classname,element,sc, is_null_or_limb);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+NodeAttribute::~NodeAttribute()
+{
+    // empty
+}
+
+
+// ------------------------------------------------------------------------------------------------
+CameraSwitcher::CameraSwitcher(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+    : NodeAttribute(id,element,doc,name)
+{
+    const Scope& sc = GetRequiredScope(element);
+    const Element* const CameraId = sc["CameraId"];
+    const Element* const CameraName = sc["CameraName"];
+    const Element* const CameraIndexName = sc["CameraIndexName"];
+
+    if(CameraId) {
+        cameraId = ParseTokenAsInt(GetRequiredToken(*CameraId,0));
+    }
+
+    if(CameraName) {
+        cameraName = GetRequiredToken(*CameraName,0).StringContents();
+    }
+
+    if(CameraIndexName && CameraIndexName->Tokens().size()) {
+        cameraIndexName = GetRequiredToken(*CameraIndexName,0).StringContents();
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+CameraSwitcher::~CameraSwitcher()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+Camera::Camera(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: NodeAttribute(id,element,doc,name)
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+Camera::~Camera()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+Light::Light(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: NodeAttribute(id,element,doc,name)
+{
+    // empty
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Light::~Light()
+{
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Null::Null(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: NodeAttribute(id,element,doc,name)
+{
+
+}
+
+
+// ------------------------------------------------------------------------------------------------
+Null::~Null()
+{
+
+}
+
+
+// ------------------------------------------------------------------------------------------------
+LimbNode::LimbNode(uint64_t id, const Element& element, const Document& doc, const std::string& name)
+: NodeAttribute(id,element,doc,name)
+{
+
+}
+
+
+// ------------------------------------------------------------------------------------------------
+LimbNode::~LimbNode()
+{
+
+}
+
+}
+}
+
+#endif
diff --git a/thirdparty/assimp/code/FBXParser.cpp b/thirdparty/assimp/code/FBXParser.cpp
new file mode 100644
index 0000000000..b255c47347
--- /dev/null
+++ b/thirdparty/assimp/code/FBXParser.cpp
@@ -0,0 +1,1313 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXParser.cpp
+ *  @brief Implementation of the FBX parser and the rudimentary DOM that we use
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
+#   include <zlib.h>
+#else
+#   include "../contrib/zlib/zlib.h"
+#endif
+
+#include "FBXTokenizer.h"
+#include "FBXParser.h"
+#include "FBXUtil.h"
+
+#include <assimp/ParsingUtils.h>
+#include <assimp/fast_atof.h>
+#include <assimp/ByteSwapper.h>
+
+#include <iostream>
+
+using namespace Assimp;
+using namespace Assimp::FBX;
+
+namespace {
+
+    // ------------------------------------------------------------------------------------------------
+    // signal parse error, this is always unrecoverable. Throws DeadlyImportError.
+    AI_WONT_RETURN void ParseError(const std::string& message, const Token& token) AI_WONT_RETURN_SUFFIX;
+    AI_WONT_RETURN void ParseError(const std::string& message, const Token& token)
+    {
+        throw DeadlyImportError(Util::AddTokenText("FBX-Parser",message,&token));
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    AI_WONT_RETURN void ParseError(const std::string& message, const Element* element = NULL) AI_WONT_RETURN_SUFFIX;
+    AI_WONT_RETURN void ParseError(const std::string& message, const Element* element)
+    {
+        if(element) {
+            ParseError(message,element->KeyToken());
+        }
+        throw DeadlyImportError("FBX-Parser " + message);
+    }
+
+
+    // ------------------------------------------------------------------------------------------------
+    void ParseError(const std::string& message, TokenPtr token)
+    {
+        if(token) {
+            ParseError(message, *token);
+        }
+        ParseError(message);
+    }
+
+    // Initially, we did reinterpret_cast, breaking strict aliasing rules.
+    // This actually caused trouble on Android, so let's be safe this time.
+    // https://github.com/assimp/assimp/issues/24
+    template <typename T>
+    T SafeParse(const char* data, const char* end) {
+        // Actual size validation happens during Tokenization so
+        // this is valid as an assertion.
+        (void)(end);
+        ai_assert(static_cast<size_t>(end - data) >= sizeof(T));
+        T result = static_cast<T>(0);
+        ::memcpy(&result, data, sizeof(T));
+        return result;
+    }
+}
+
+namespace Assimp {
+namespace FBX {
+
+// ------------------------------------------------------------------------------------------------
+Element::Element(const Token& key_token, Parser& parser)
+: key_token(key_token)
+{
+    TokenPtr n = NULL;
+    do {
+        n = parser.AdvanceToNextToken();
+        if(!n) {
+            ParseError("unexpected end of file, expected closing bracket",parser.LastToken());
+        }
+
+        if (n->Type() == TokenType_DATA) {
+            tokens.push_back(n);
+			TokenPtr prev = n;
+            n = parser.AdvanceToNextToken();
+            if(!n) {
+                ParseError("unexpected end of file, expected bracket, comma or key",parser.LastToken());
+            }
+
+			const TokenType ty = n->Type();
+
+			// some exporters are missing a comma on the next line
+			if (ty == TokenType_DATA && prev->Type() == TokenType_DATA && (n->Line() == prev->Line() + 1)) {
+				tokens.push_back(n);
+				continue;
+			}
+
+            if (ty != TokenType_OPEN_BRACKET && ty != TokenType_CLOSE_BRACKET && ty != TokenType_COMMA && ty != TokenType_KEY) {
+                ParseError("unexpected token; expected bracket, comma or key",n);
+            }
+        }
+
+        if (n->Type() == TokenType_OPEN_BRACKET) {
+            compound.reset(new Scope(parser));
+
+            // current token should be a TOK_CLOSE_BRACKET
+            n = parser.CurrentToken();
+            ai_assert(n);
+
+            if (n->Type() != TokenType_CLOSE_BRACKET) {
+                ParseError("expected closing bracket",n);
+            }
+
+            parser.AdvanceToNextToken();
+            return;
+        }
+    }
+    while(n->Type() != TokenType_KEY && n->Type() != TokenType_CLOSE_BRACKET);
+}
+
+// ------------------------------------------------------------------------------------------------
+Element::~Element()
+{
+     // no need to delete tokens, they are owned by the parser
+}
+
+// ------------------------------------------------------------------------------------------------
+Scope::Scope(Parser& parser,bool topLevel)
+{
+    if(!topLevel) {
+        TokenPtr t = parser.CurrentToken();
+        if (t->Type() != TokenType_OPEN_BRACKET) {
+            ParseError("expected open bracket",t);
+        }
+    }
+
+    TokenPtr n = parser.AdvanceToNextToken();
+    if(n == NULL) {
+        ParseError("unexpected end of file");
+    }
+
+    // note: empty scopes are allowed
+    while(n->Type() != TokenType_CLOSE_BRACKET) {
+        if (n->Type() != TokenType_KEY) {
+            ParseError("unexpected token, expected TOK_KEY",n);
+        }
+
+        const std::string& str = n->StringContents();
+        elements.insert(ElementMap::value_type(str,new_Element(*n,parser)));
+
+        // Element() should stop at the next Key token (or right after a Close token)
+        n = parser.CurrentToken();
+        if(n == NULL) {
+            if (topLevel) {
+                return;
+            }
+            ParseError("unexpected end of file",parser.LastToken());
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+Scope::~Scope()
+{
+    for(ElementMap::value_type& v : elements) {
+        delete v.second;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+Parser::Parser (const TokenList& tokens, bool is_binary)
+: tokens(tokens)
+, last()
+, current()
+, cursor(tokens.begin())
+, is_binary(is_binary)
+{
+    root.reset(new Scope(*this,true));
+}
+
+// ------------------------------------------------------------------------------------------------
+Parser::~Parser()
+{
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+TokenPtr Parser::AdvanceToNextToken()
+{
+    last = current;
+    if (cursor == tokens.end()) {
+        current = NULL;
+    } else {
+        current = *cursor++;
+    }
+    return current;
+}
+
+// ------------------------------------------------------------------------------------------------
+TokenPtr Parser::CurrentToken() const
+{
+    return current;
+}
+
+// ------------------------------------------------------------------------------------------------
+TokenPtr Parser::LastToken() const
+{
+    return last;
+}
+
+// ------------------------------------------------------------------------------------------------
+uint64_t ParseTokenAsID(const Token& t, const char*& err_out)
+{
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return 0L;
+    }
+
+    if(t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'L') {
+            err_out = "failed to parse ID, unexpected data type, expected L(ong) (binary)";
+            return 0L;
+        }
+
+        BE_NCONST uint64_t id = SafeParse<uint64_t>(data+1, t.end());
+        AI_SWAP8(id);
+        return id;
+    }
+
+    // XXX: should use size_t here
+    unsigned int length = static_cast<unsigned int>(t.end() - t.begin());
+    ai_assert(length > 0);
+
+    const char* out = nullptr;
+    const uint64_t id = strtoul10_64(t.begin(),&out,&length);
+    if (out > t.end()) {
+        err_out = "failed to parse ID (text)";
+        return 0L;
+    }
+
+    return id;
+}
+
+// ------------------------------------------------------------------------------------------------
+size_t ParseTokenAsDim(const Token& t, const char*& err_out)
+{
+    // same as ID parsing, except there is a trailing asterisk
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return 0;
+    }
+
+    if(t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'L') {
+            err_out = "failed to parse ID, unexpected data type, expected L(ong) (binary)";
+            return 0;
+        }
+
+        BE_NCONST uint64_t id = SafeParse<uint64_t>(data+1, t.end());
+        AI_SWAP8(id);
+        return static_cast<size_t>(id);
+    }
+
+    if(*t.begin() != '*') {
+        err_out = "expected asterisk before array dimension";
+        return 0;
+    }
+
+    // XXX: should use size_t here
+    unsigned int length = static_cast<unsigned int>(t.end() - t.begin());
+    if(length == 0) {
+        err_out = "expected valid integer number after asterisk";
+        return 0;
+    }
+
+    const char* out = nullptr;
+    const size_t id = static_cast<size_t>(strtoul10_64(t.begin() + 1,&out,&length));
+    if (out > t.end()) {
+        err_out = "failed to parse ID";
+        return 0;
+    }
+
+    return id;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+float ParseTokenAsFloat(const Token& t, const char*& err_out)
+{
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return 0.0f;
+    }
+
+    if(t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'F' && data[0] != 'D') {
+            err_out = "failed to parse F(loat) or D(ouble), unexpected data type (binary)";
+            return 0.0f;
+        }
+
+        if (data[0] == 'F') {
+            return SafeParse<float>(data+1, t.end());
+        }
+        else {
+            return static_cast<float>( SafeParse<double>(data+1, t.end()) );
+        }
+    }
+
+    // need to copy the input string to a temporary buffer
+    // first - next in the fbx token stream comes ',',
+    // which fast_atof could interpret as decimal point.
+#define MAX_FLOAT_LENGTH 31
+    char temp[MAX_FLOAT_LENGTH + 1];
+    const size_t length = static_cast<size_t>(t.end()-t.begin());
+    std::copy(t.begin(),t.end(),temp);
+    temp[std::min(static_cast<size_t>(MAX_FLOAT_LENGTH),length)] = '\0';
+
+    return fast_atof(temp);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+int ParseTokenAsInt(const Token& t, const char*& err_out)
+{
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return 0;
+    }
+
+    if(t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'I') {
+            err_out = "failed to parse I(nt), unexpected data type (binary)";
+            return 0;
+        }
+
+        BE_NCONST int32_t ival = SafeParse<int32_t>(data+1, t.end());
+        AI_SWAP4(ival);
+        return static_cast<int>(ival);
+    }
+
+    ai_assert(static_cast<size_t>(t.end() - t.begin()) > 0);
+
+    const char* out;
+    const int intval = strtol10(t.begin(),&out);
+    if (out != t.end()) {
+        err_out = "failed to parse ID";
+        return 0;
+    }
+
+    return intval;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+int64_t ParseTokenAsInt64(const Token& t, const char*& err_out)
+{
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return 0L;
+    }
+
+    if (t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'L') {
+            err_out = "failed to parse Int64, unexpected data type";
+            return 0L;
+        }
+
+        BE_NCONST int64_t id = SafeParse<int64_t>(data + 1, t.end());
+        AI_SWAP8(id);
+        return id;
+    }
+
+    // XXX: should use size_t here
+    unsigned int length = static_cast<unsigned int>(t.end() - t.begin());
+    ai_assert(length > 0);
+
+    const char* out = nullptr;
+    const int64_t id = strtol10_64(t.begin(), &out, &length);
+    if (out > t.end()) {
+        err_out = "failed to parse Int64 (text)";
+        return 0L;
+    }
+
+    return id;
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string ParseTokenAsString(const Token& t, const char*& err_out)
+{
+    err_out = NULL;
+
+    if (t.Type() != TokenType_DATA) {
+        err_out = "expected TOK_DATA token";
+        return "";
+    }
+
+    if(t.IsBinary())
+    {
+        const char* data = t.begin();
+        if (data[0] != 'S') {
+            err_out = "failed to parse S(tring), unexpected data type (binary)";
+            return "";
+        }
+
+        // read string length
+        BE_NCONST int32_t len = SafeParse<int32_t>(data+1, t.end());
+        AI_SWAP4(len);
+
+        ai_assert(t.end() - data == 5 + len);
+        return std::string(data + 5, len);
+    }
+
+    const size_t length = static_cast<size_t>(t.end() - t.begin());
+    if(length < 2) {
+        err_out = "token is too short to hold a string";
+        return "";
+    }
+
+    const char* s = t.begin(), *e = t.end() - 1;
+    if (*s != '\"' || *e != '\"') {
+        err_out = "expected double quoted string";
+        return "";
+    }
+
+    return std::string(s+1,length-2);
+}
+
+
+namespace {
+
+// ------------------------------------------------------------------------------------------------
+// read the type code and element count of a binary data array and stop there
+void ReadBinaryDataArrayHead(const char*& data, const char* end, char& type, uint32_t& count,
+    const Element& el)
+{
+    if (static_cast<size_t>(end-data) < 5) {
+        ParseError("binary data array is too short, need five (5) bytes for type signature and element count",&el);
+    }
+
+    // data type
+    type = *data;
+
+    // read number of elements
+    BE_NCONST uint32_t len = SafeParse<uint32_t>(data+1, end);
+    AI_SWAP4(len);
+
+    count = len;
+    data += 5;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read binary data array, assume cursor points to the 'compression mode' field (i.e. behind the header)
+void ReadBinaryDataArray(char type, uint32_t count, const char*& data, const char* end,
+    std::vector<char>& buff,
+    const Element& /*el*/)
+{
+    BE_NCONST uint32_t encmode = SafeParse<uint32_t>(data, end);
+    AI_SWAP4(encmode);
+    data += 4;
+
+    // next comes the compressed length
+    BE_NCONST uint32_t comp_len = SafeParse<uint32_t>(data, end);
+    AI_SWAP4(comp_len);
+    data += 4;
+
+    ai_assert(data + comp_len == end);
+
+    // determine the length of the uncompressed data by looking at the type signature
+    uint32_t stride = 0;
+    switch(type)
+    {
+        case 'f':
+        case 'i':
+            stride = 4;
+            break;
+
+        case 'd':
+        case 'l':
+            stride = 8;
+            break;
+
+        default:
+            ai_assert(false);
+    };
+
+    const uint32_t full_length = stride * count;
+    buff.resize(full_length);
+
+    if(encmode == 0) {
+        ai_assert(full_length == comp_len);
+
+        // plain data, no compression
+        std::copy(data, end, buff.begin());
+    }
+    else if(encmode == 1) {
+        // zlib/deflate, next comes ZIP head (0x78 0x01)
+        // see http://www.ietf.org/rfc/rfc1950.txt
+
+        z_stream zstream;
+        zstream.opaque = Z_NULL;
+        zstream.zalloc = Z_NULL;
+        zstream.zfree  = Z_NULL;
+        zstream.data_type = Z_BINARY;
+
+        // http://hewgill.com/journal/entries/349-how-to-decompress-gzip-stream-with-zlib
+        if(Z_OK != inflateInit(&zstream)) {
+            ParseError("failure initializing zlib");
+        }
+
+        zstream.next_in   = reinterpret_cast<Bytef*>( const_cast<char*>(data) );
+        zstream.avail_in  = comp_len;
+
+        zstream.avail_out = static_cast<uInt>(buff.size());
+        zstream.next_out = reinterpret_cast<Bytef*>(&*buff.begin());
+        const int ret = inflate(&zstream, Z_FINISH);
+
+        if (ret != Z_STREAM_END && ret != Z_OK) {
+            ParseError("failure decompressing compressed data section");
+        }
+
+        // terminate zlib
+        inflateEnd(&zstream);
+    }
+#ifdef ASSIMP_BUILD_DEBUG
+    else {
+        // runtime check for this happens at tokenization stage
+        ai_assert(false);
+    }
+#endif
+
+    data += comp_len;
+    ai_assert(data == end);
+}
+
+} // !anon
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of float3 tuples
+void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el)
+{
+    out.resize( 0 );
+
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(count % 3 != 0) {
+            ParseError("number of floats is not a multiple of three (3) (binary)",&el);
+        }
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'd' && type != 'f') {
+            ParseError("expected float or double array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * (type == 'd' ? 8 : 4));
+
+        const uint32_t count3 = count / 3;
+        out.reserve(count3);
+
+        if (type == 'd') {
+            const double* d = reinterpret_cast<const double*>(&buff[0]);
+            for (unsigned int i = 0; i < count3; ++i, d += 3) {
+                out.push_back(aiVector3D(static_cast<float>(d[0]),
+                    static_cast<float>(d[1]),
+                    static_cast<float>(d[2])));
+            }
+            // for debugging
+            /*for ( size_t i = 0; i < out.size(); i++ ) {
+                aiVector3D vec3( out[ i ] );
+                std::stringstream stream;
+                stream << " vec3.x = " << vec3.x << " vec3.y = " << vec3.y << " vec3.z = " << vec3.z << std::endl;
+                DefaultLogger::get()->info( stream.str() );
+            }*/
+        }
+        else if (type == 'f') {
+            const float* f = reinterpret_cast<const float*>(&buff[0]);
+            for (unsigned int i = 0; i < count3; ++i, f += 3) {
+                out.push_back(aiVector3D(f[0],f[1],f[2]));
+            }
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // may throw bad_alloc if the input is rubbish, but this need
+    // not to be prevented - importing would fail but we wouldn't
+    // crash since assimp handles this case properly.
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    if (a.Tokens().size() % 3 != 0) {
+        ParseError("number of floats is not a multiple of three (3)",&el);
+    }
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        aiVector3D v;
+        v.x = ParseTokenAsFloat(**it++);
+        v.y = ParseTokenAsFloat(**it++);
+        v.z = ParseTokenAsFloat(**it++);
+
+        out.push_back(v);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of color4 tuples
+void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(count % 4 != 0) {
+            ParseError("number of floats is not a multiple of four (4) (binary)",&el);
+        }
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'd' && type != 'f') {
+            ParseError("expected float or double array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * (type == 'd' ? 8 : 4));
+
+        const uint32_t count4 = count / 4;
+        out.reserve(count4);
+
+        if (type == 'd') {
+            const double* d = reinterpret_cast<const double*>(&buff[0]);
+            for (unsigned int i = 0; i < count4; ++i, d += 4) {
+                out.push_back(aiColor4D(static_cast<float>(d[0]),
+                    static_cast<float>(d[1]),
+                    static_cast<float>(d[2]),
+                    static_cast<float>(d[3])));
+            }
+        }
+        else if (type == 'f') {
+            const float* f = reinterpret_cast<const float*>(&buff[0]);
+            for (unsigned int i = 0; i < count4; ++i, f += 4) {
+                out.push_back(aiColor4D(f[0],f[1],f[2],f[3]));
+            }
+        }
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    //  see notes in ParseVectorDataArray() above
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    if (a.Tokens().size() % 4 != 0) {
+        ParseError("number of floats is not a multiple of four (4)",&el);
+    }
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        aiColor4D v;
+        v.r = ParseTokenAsFloat(**it++);
+        v.g = ParseTokenAsFloat(**it++);
+        v.b = ParseTokenAsFloat(**it++);
+        v.a = ParseTokenAsFloat(**it++);
+
+        out.push_back(v);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of float2 tuples
+void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(count % 2 != 0) {
+            ParseError("number of floats is not a multiple of two (2) (binary)",&el);
+        }
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'd' && type != 'f') {
+            ParseError("expected float or double array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * (type == 'd' ? 8 : 4));
+
+        const uint32_t count2 = count / 2;
+        out.reserve(count2);
+
+        if (type == 'd') {
+            const double* d = reinterpret_cast<const double*>(&buff[0]);
+            for (unsigned int i = 0; i < count2; ++i, d += 2) {
+                out.push_back(aiVector2D(static_cast<float>(d[0]),
+                    static_cast<float>(d[1])));
+            }
+        }
+        else if (type == 'f') {
+            const float* f = reinterpret_cast<const float*>(&buff[0]);
+            for (unsigned int i = 0; i < count2; ++i, f += 2) {
+                out.push_back(aiVector2D(f[0],f[1]));
+            }
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray() above
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    if (a.Tokens().size() % 2 != 0) {
+        ParseError("number of floats is not a multiple of two (2)",&el);
+    }
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        aiVector2D v;
+        v.x = ParseTokenAsFloat(**it++);
+        v.y = ParseTokenAsFloat(**it++);
+
+        out.push_back(v);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of ints
+void ParseVectorDataArray(std::vector<int>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'i') {
+            ParseError("expected int array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * 4);
+
+        out.reserve(count);
+
+        const int32_t* ip = reinterpret_cast<const int32_t*>(&buff[0]);
+        for (unsigned int i = 0; i < count; ++i, ++ip) {
+            BE_NCONST int32_t val = *ip;
+            AI_SWAP4(val);
+            out.push_back(val);
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray()
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        const int ival = ParseTokenAsInt(**it++);
+        out.push_back(ival);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of floats
+void ParseVectorDataArray(std::vector<float>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'd' && type != 'f') {
+            ParseError("expected float or double array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * (type == 'd' ? 8 : 4));
+
+        if (type == 'd') {
+            const double* d = reinterpret_cast<const double*>(&buff[0]);
+            for (unsigned int i = 0; i < count; ++i, ++d) {
+                out.push_back(static_cast<float>(*d));
+            }
+        }
+        else if (type == 'f') {
+            const float* f = reinterpret_cast<const float*>(&buff[0]);
+            for (unsigned int i = 0; i < count; ++i, ++f) {
+                out.push_back(*f);
+            }
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray()
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        const float ival = ParseTokenAsFloat(**it++);
+        out.push_back(ival);
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of uints
+void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'i') {
+            ParseError("expected (u)int array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * 4);
+
+        out.reserve(count);
+
+        const int32_t* ip = reinterpret_cast<const int32_t*>(&buff[0]);
+        for (unsigned int i = 0; i < count; ++i, ++ip) {
+            BE_NCONST int32_t val = *ip;
+            if(val < 0) {
+                ParseError("encountered negative integer index (binary)");
+            }
+
+            AI_SWAP4(val);
+            out.push_back(val);
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray()
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        const int ival = ParseTokenAsInt(**it++);
+        if(ival < 0) {
+            ParseError("encountered negative integer index");
+        }
+        out.push_back(static_cast<unsigned int>(ival));
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// read an array of uint64_ts
+void ParseVectorDataArray(std::vector<uint64_t>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if(tok.empty()) {
+        ParseError("unexpected empty element",&el);
+    }
+
+    if(tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if(!count) {
+            return;
+        }
+
+        if (type != 'l') {
+            ParseError("expected long array (binary)",&el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * 8);
+
+        out.reserve(count);
+
+        const uint64_t* ip = reinterpret_cast<const uint64_t*>(&buff[0]);
+        for (unsigned int i = 0; i < count; ++i, ++ip) {
+            BE_NCONST uint64_t val = *ip;
+            AI_SWAP8(val);
+            out.push_back(val);
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray()
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope,"a",&el);
+
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end; ) {
+        const uint64_t ival = ParseTokenAsID(**it++);
+
+        out.push_back(ival);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// read an array of int64_ts
+void ParseVectorDataArray(std::vector<int64_t>& out, const Element& el)
+{
+    out.resize( 0 );
+    const TokenList& tok = el.Tokens();
+    if (tok.empty()) {
+        ParseError("unexpected empty element", &el);
+    }
+
+    if (tok[0]->IsBinary()) {
+        const char* data = tok[0]->begin(), *end = tok[0]->end();
+
+        char type;
+        uint32_t count;
+        ReadBinaryDataArrayHead(data, end, type, count, el);
+
+        if (!count) {
+            return;
+        }
+
+        if (type != 'l') {
+            ParseError("expected long array (binary)", &el);
+        }
+
+        std::vector<char> buff;
+        ReadBinaryDataArray(type, count, data, end, buff, el);
+
+        ai_assert(data == end);
+        ai_assert(buff.size() == count * 8);
+
+        out.reserve(count);
+
+        const int64_t* ip = reinterpret_cast<const int64_t*>(&buff[0]);
+        for (unsigned int i = 0; i < count; ++i, ++ip) {
+            BE_NCONST int64_t val = *ip;
+            AI_SWAP8(val);
+            out.push_back(val);
+        }
+
+        return;
+    }
+
+    const size_t dim = ParseTokenAsDim(*tok[0]);
+
+    // see notes in ParseVectorDataArray()
+    out.reserve(dim);
+
+    const Scope& scope = GetRequiredScope(el);
+    const Element& a = GetRequiredElement(scope, "a", &el);
+
+    for (TokenList::const_iterator it = a.Tokens().begin(), end = a.Tokens().end(); it != end;) {
+        const int64_t ival = ParseTokenAsInt64(**it++);
+
+        out.push_back(ival);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+aiMatrix4x4 ReadMatrix(const Element& element)
+{
+    std::vector<float> values;
+    ParseVectorDataArray(values,element);
+
+    if(values.size() != 16) {
+        ParseError("expected 16 matrix elements");
+    }
+
+    aiMatrix4x4 result;
+
+
+    result.a1 = values[0];
+    result.a2 = values[1];
+    result.a3 = values[2];
+    result.a4 = values[3];
+
+    result.b1 = values[4];
+    result.b2 = values[5];
+    result.b3 = values[6];
+    result.b4 = values[7];
+
+    result.c1 = values[8];
+    result.c2 = values[9];
+    result.c3 = values[10];
+    result.c4 = values[11];
+
+    result.d1 = values[12];
+    result.d2 = values[13];
+    result.d3 = values[14];
+    result.d4 = values[15];
+
+    result.Transpose();
+    return result;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsString() with ParseError handling
+std::string ParseTokenAsString(const Token& t)
+{
+    const char* err;
+    const std::string& i = ParseTokenAsString(t,err);
+    if(err) {
+        ParseError(err,t);
+    }
+    return i;
+}
+
+bool HasElement( const Scope& sc, const std::string& index ) {
+    const Element* el = sc[ index ];
+    if ( nullptr == el ) {
+        return false;
+    }
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// extract a required element from a scope, abort if the element cannot be found
+const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element /*= NULL*/)
+{
+    const Element* el = sc[index];
+    if(!el) {
+        ParseError("did not find required element \"" + index + "\"",element);
+    }
+    return *el;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// extract required compound scope
+const Scope& GetRequiredScope(const Element& el)
+{
+    const Scope* const s = el.Compound();
+    if(!s) {
+        ParseError("expected compound scope",&el);
+    }
+
+    return *s;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// get token at a particular index
+const Token& GetRequiredToken(const Element& el, unsigned int index)
+{
+    const TokenList& t = el.Tokens();
+    if(index >= t.size()) {
+        ParseError(Formatter::format( "missing token at index " ) << index,&el);
+    }
+
+    return *t[index];
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsID() with ParseError handling
+uint64_t ParseTokenAsID(const Token& t)
+{
+    const char* err;
+    const uint64_t i = ParseTokenAsID(t,err);
+    if(err) {
+        ParseError(err,t);
+    }
+    return i;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsDim() with ParseError handling
+size_t ParseTokenAsDim(const Token& t)
+{
+    const char* err;
+    const size_t i = ParseTokenAsDim(t,err);
+    if(err) {
+        ParseError(err,t);
+    }
+    return i;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsFloat() with ParseError handling
+float ParseTokenAsFloat(const Token& t)
+{
+    const char* err;
+    const float i = ParseTokenAsFloat(t,err);
+    if(err) {
+        ParseError(err,t);
+    }
+    return i;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsInt() with ParseError handling
+int ParseTokenAsInt(const Token& t)
+{
+    const char* err;
+    const int i = ParseTokenAsInt(t,err);
+    if(err) {
+        ParseError(err,t);
+    }
+    return i;
+}
+
+
+
+// ------------------------------------------------------------------------------------------------
+// wrapper around ParseTokenAsInt64() with ParseError handling
+int64_t ParseTokenAsInt64(const Token& t)
+{
+    const char* err;
+    const int64_t i = ParseTokenAsInt64(t, err);
+    if (err) {
+        ParseError(err, t);
+    }
+    return i;
+}
+
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXParser.h b/thirdparty/assimp/code/FBXParser.h
new file mode 100644
index 0000000000..7b0cf72039
--- /dev/null
+++ b/thirdparty/assimp/code/FBXParser.h
@@ -0,0 +1,235 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXParser.h
+ *  @brief FBX parsing code
+ */
+#ifndef INCLUDED_AI_FBX_PARSER_H
+#define INCLUDED_AI_FBX_PARSER_H
+
+#include <stdint.h>
+#include <map>
+#include <memory>
+#include <assimp/LogAux.h>
+#include <assimp/fast_atof.h>
+
+#include "FBXCompileConfig.h"
+#include "FBXTokenizer.h"
+
+namespace Assimp {
+namespace FBX {
+
+class Scope;
+class Parser;
+class Element;
+
+// XXX should use C++11's unique_ptr - but assimp's need to keep working with 03
+typedef std::vector< Scope* > ScopeList;
+typedef std::fbx_unordered_multimap< std::string, Element* > ElementMap;
+
+typedef std::pair<ElementMap::const_iterator,ElementMap::const_iterator> ElementCollection;
+
+#   define new_Scope new Scope
+#   define new_Element new Element
+
+
+/** FBX data entity that consists of a key:value tuple.
+ *
+ *  Example:
+ *  @verbatim
+ *    AnimationCurve: 23, "AnimCurve::", "" {
+ *        [..]
+ *    }
+ *  @endverbatim
+ *
+ *  As can be seen in this sample, elements can contain nested #Scope
+ *  as their trailing member.  **/
+class Element
+{
+public:
+    Element(const Token& key_token, Parser& parser);
+    ~Element();
+
+    const Scope* Compound() const {
+        return compound.get();
+    }
+
+    const Token& KeyToken() const {
+        return key_token;
+    }
+
+    const TokenList& Tokens() const {
+        return tokens;
+    }
+
+private:
+    const Token& key_token;
+    TokenList tokens;
+    std::unique_ptr<Scope> compound;
+};
+
+/** FBX data entity that consists of a 'scope', a collection
+ *  of not necessarily unique #Element instances.
+ *
+ *  Example:
+ *  @verbatim
+ *    GlobalSettings:  {
+ *        Version: 1000
+ *        Properties70:
+ *        [...]
+ *    }
+ *  @endverbatim  */
+class Scope
+{
+public:
+    Scope(Parser& parser, bool topLevel = false);
+    ~Scope();
+
+    const Element* operator[] (const std::string& index) const {
+        ElementMap::const_iterator it = elements.find(index);
+        return it == elements.end() ? NULL : (*it).second;
+    }
+
+	const Element* FindElementCaseInsensitive(const std::string& elementName) const {
+		const char* elementNameCStr = elementName.c_str();
+		for (auto element = elements.begin(); element != elements.end(); ++element)
+		{
+			if (!ASSIMP_strincmp(element->first.c_str(), elementNameCStr, MAXLEN)) {
+				return element->second;
+			}
+		}
+		return NULL;
+	}
+
+    ElementCollection GetCollection(const std::string& index) const {
+        return elements.equal_range(index);
+    }
+
+    const ElementMap& Elements() const  {
+        return elements;
+    }
+
+private:
+    ElementMap elements;
+};
+
+/** FBX parsing class, takes a list of input tokens and generates a hierarchy
+ *  of nested #Scope instances, representing the fbx DOM.*/
+class Parser
+{
+public:
+    /** Parse given a token list. Does not take ownership of the tokens -
+     *  the objects must persist during the entire parser lifetime */
+    Parser (const TokenList& tokens,bool is_binary);
+    ~Parser();
+
+    const Scope& GetRootScope() const {
+        return *root.get();
+    }
+
+    bool IsBinary() const {
+        return is_binary;
+    }
+
+private:
+    friend class Scope;
+    friend class Element;
+
+    TokenPtr AdvanceToNextToken();
+    TokenPtr LastToken() const;
+    TokenPtr CurrentToken() const;
+
+private:
+    const TokenList& tokens;
+
+    TokenPtr last, current;
+    TokenList::const_iterator cursor;
+    std::unique_ptr<Scope> root;
+
+    const bool is_binary;
+};
+
+
+/* token parsing - this happens when building the DOM out of the parse-tree*/
+uint64_t ParseTokenAsID(const Token& t, const char*& err_out);
+size_t ParseTokenAsDim(const Token& t, const char*& err_out);
+
+float ParseTokenAsFloat(const Token& t, const char*& err_out);
+int ParseTokenAsInt(const Token& t, const char*& err_out);
+int64_t ParseTokenAsInt64(const Token& t, const char*& err_out);
+std::string ParseTokenAsString(const Token& t, const char*& err_out);
+
+/* wrapper around ParseTokenAsXXX() with DOMError handling */
+uint64_t ParseTokenAsID(const Token& t);
+size_t ParseTokenAsDim(const Token& t);
+float ParseTokenAsFloat(const Token& t);
+int ParseTokenAsInt(const Token& t);
+int64_t ParseTokenAsInt64(const Token& t);
+std::string ParseTokenAsString(const Token& t);
+
+/* read data arrays */
+void ParseVectorDataArray(std::vector<aiVector3D>& out, const Element& el);
+void ParseVectorDataArray(std::vector<aiColor4D>& out, const Element& el);
+void ParseVectorDataArray(std::vector<aiVector2D>& out, const Element& el);
+void ParseVectorDataArray(std::vector<int>& out, const Element& el);
+void ParseVectorDataArray(std::vector<float>& out, const Element& el);
+void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el);
+void ParseVectorDataArray(std::vector<uint64_t>& out, const Element& e);
+void ParseVectorDataArray(std::vector<int64_t>& out, const Element& el);
+
+bool HasElement( const Scope& sc, const std::string& index );
+
+// extract a required element from a scope, abort if the element cannot be found
+const Element& GetRequiredElement(const Scope& sc, const std::string& index, const Element* element = NULL);
+
+// extract required compound scope
+const Scope& GetRequiredScope(const Element& el);
+// get token at a particular index
+const Token& GetRequiredToken(const Element& el, unsigned int index);
+
+// read a 4x4 matrix from an array of 16 floats
+aiMatrix4x4 ReadMatrix(const Element& element);
+
+} // ! FBX
+} // ! Assimp
+
+#endif // ! INCLUDED_AI_FBX_PARSER_H
diff --git a/thirdparty/assimp/code/FBXProperties.cpp b/thirdparty/assimp/code/FBXProperties.cpp
new file mode 100644
index 0000000000..8d7036b6a9
--- /dev/null
+++ b/thirdparty/assimp/code/FBXProperties.cpp
@@ -0,0 +1,235 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXProperties.cpp
+ *  @brief Implementation of the FBX dynamic properties system
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXTokenizer.h"
+#include "FBXParser.h"
+#include "FBXDocument.h"
+#include "FBXDocumentUtil.h"
+#include "FBXProperties.h"
+
+namespace Assimp {
+namespace FBX {
+
+    using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Property::Property()
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+Property::~Property()
+{
+}
+
+namespace {
+
+// ------------------------------------------------------------------------------------------------
+// read a typed property out of a FBX element. The return value is NULL if the property cannot be read.
+Property* ReadTypedProperty(const Element& element)
+{
+    ai_assert(element.KeyToken().StringContents() == "P");
+
+    const TokenList& tok = element.Tokens();
+    ai_assert(tok.size() >= 5);
+
+    const std::string& s = ParseTokenAsString(*tok[1]);
+    const char* const cs = s.c_str();
+    if (!strcmp(cs,"KString")) {
+        return new TypedProperty<std::string>(ParseTokenAsString(*tok[4]));
+    }
+    else if (!strcmp(cs,"bool") || !strcmp(cs,"Bool")) {
+        return new TypedProperty<bool>(ParseTokenAsInt(*tok[4]) != 0);
+    }
+    else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum")) {
+        return new TypedProperty<int>(ParseTokenAsInt(*tok[4]));
+    }
+    else if (!strcmp(cs, "ULongLong")) {
+        return new TypedProperty<uint64_t>(ParseTokenAsID(*tok[4]));
+    }
+    else if (!strcmp(cs, "KTime")) {
+        return new TypedProperty<int64_t>(ParseTokenAsInt64(*tok[4]));
+    }
+    else if (!strcmp(cs,"Vector3D") ||
+        !strcmp(cs,"ColorRGB") ||
+        !strcmp(cs,"Vector") ||
+        !strcmp(cs,"Color") ||
+        !strcmp(cs,"Lcl Translation") ||
+        !strcmp(cs,"Lcl Rotation") ||
+        !strcmp(cs,"Lcl Scaling")
+        ) {
+        return new TypedProperty<aiVector3D>(aiVector3D(
+            ParseTokenAsFloat(*tok[4]),
+            ParseTokenAsFloat(*tok[5]),
+            ParseTokenAsFloat(*tok[6]))
+        );
+    }
+    else if (!strcmp(cs,"double") || !strcmp(cs,"Number") || !strcmp(cs,"Float") || !strcmp(cs,"FieldOfView") || !strcmp( cs, "UnitScaleFactor" ) ) {
+        return new TypedProperty<float>(ParseTokenAsFloat(*tok[4]));
+    }
+    return NULL;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// peek into an element and check if it contains a FBX property, if so return its name.
+std::string PeekPropertyName(const Element& element)
+{
+    ai_assert(element.KeyToken().StringContents() == "P");
+    const TokenList& tok = element.Tokens();
+    if(tok.size() < 4) {
+        return "";
+    }
+
+    return ParseTokenAsString(*tok[0]);
+}
+
+} //! anon
+
+
+// ------------------------------------------------------------------------------------------------
+PropertyTable::PropertyTable()
+: templateProps()
+, element()
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+PropertyTable::PropertyTable(const Element& element, std::shared_ptr<const PropertyTable> templateProps)
+: templateProps(templateProps)
+, element(&element)
+{
+    const Scope& scope = GetRequiredScope(element);
+    for(const ElementMap::value_type& v : scope.Elements()) {
+        if(v.first != "P") {
+            DOMWarning("expected only P elements in property table",v.second);
+            continue;
+        }
+
+        const std::string& name = PeekPropertyName(*v.second);
+        if(!name.length()) {
+            DOMWarning("could not read property name",v.second);
+            continue;
+        }
+
+        LazyPropertyMap::const_iterator it = lazyProps.find(name);
+        if (it != lazyProps.end()) {
+            DOMWarning("duplicate property name, will hide previous value: " + name,v.second);
+            continue;
+        }
+
+        lazyProps[name] = v.second;
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+PropertyTable::~PropertyTable()
+{
+    for(PropertyMap::value_type& v : props) {
+        delete v.second;
+    }
+}
+
+
+// ------------------------------------------------------------------------------------------------
+const Property* PropertyTable::Get(const std::string& name) const
+{
+    PropertyMap::const_iterator it = props.find(name);
+    if (it == props.end()) {
+        // hasn't been parsed yet?
+        LazyPropertyMap::const_iterator lit = lazyProps.find(name);
+        if(lit != lazyProps.end()) {
+            props[name] = ReadTypedProperty(*(*lit).second);
+            it = props.find(name);
+
+            ai_assert(it != props.end());
+        }
+
+        if (it == props.end()) {
+            // check property template
+            if(templateProps) {
+                return templateProps->Get(name);
+            }
+
+            return NULL;
+        }
+    }
+
+    return (*it).second;
+}
+
+DirectPropertyMap PropertyTable::GetUnparsedProperties() const
+{
+    DirectPropertyMap result;
+
+    // Loop through all the lazy properties (which is all the properties)
+    for(const LazyPropertyMap::value_type& element : lazyProps) {
+
+        // Skip parsed properties
+        if (props.end() != props.find(element.first)) continue;
+
+        // Read the element's value.
+        // Wrap the naked pointer (since the call site is required to acquire ownership)
+        // std::unique_ptr from C++11 would be preferred both as a wrapper and a return value.
+        std::shared_ptr<Property> prop = std::shared_ptr<Property>(ReadTypedProperty(*element.second));
+
+        // Element could not be read. Skip it.
+        if (!prop) continue;
+
+        // Add to result
+        result[element.first] = prop;
+    }
+
+    return result;
+}
+
+} //! FBX
+} //! Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXProperties.h b/thirdparty/assimp/code/FBXProperties.h
new file mode 100644
index 0000000000..58755542fc
--- /dev/null
+++ b/thirdparty/assimp/code/FBXProperties.h
@@ -0,0 +1,185 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXProperties.h
+ *  @brief FBX dynamic properties
+ */
+#ifndef INCLUDED_AI_FBX_PROPERTIES_H
+#define INCLUDED_AI_FBX_PROPERTIES_H
+
+#include "FBXCompileConfig.h"
+#include <memory>
+#include <string>
+
+namespace Assimp {
+namespace FBX {
+
+// Forward declarations
+class Element;
+
+/** Represents a dynamic property. Type info added by deriving classes,
+ *  see #TypedProperty.
+ Example:
+ @verbatim
+   P: "ShininessExponent", "double", "Number", "",0.5
+ @endvebatim
+*/
+class Property {
+protected:
+    Property();
+
+public:
+    virtual ~Property();
+
+public:
+    template <typename T>
+    const T* As() const {
+        return dynamic_cast<const T*>(this);
+    }
+};
+
+template<typename T>
+class TypedProperty : public Property {
+public:
+    explicit TypedProperty(const T& value)
+    : value(value) {
+        // empty
+    }
+
+    const T& Value() const {
+        return value;
+    }
+
+private:
+    T value;
+};
+
+
+typedef std::fbx_unordered_map<std::string,std::shared_ptr<Property> > DirectPropertyMap;
+typedef std::fbx_unordered_map<std::string,const Property*>            PropertyMap;
+typedef std::fbx_unordered_map<std::string,const Element*>             LazyPropertyMap;
+
+/** 
+ *  Represents a property table as can be found in the newer FBX files (Properties60, Properties70)
+ */
+class PropertyTable {
+public:
+    // in-memory property table with no source element
+    PropertyTable();
+    PropertyTable(const Element& element, std::shared_ptr<const PropertyTable> templateProps);
+    ~PropertyTable();
+
+    const Property* Get(const std::string& name) const;
+
+    // PropertyTable's need not be coupled with FBX elements so this can be NULL
+    const Element* GetElement() const {
+        return element;
+    }
+
+    const PropertyTable* TemplateProps() const {
+        return templateProps.get();
+    }
+
+    DirectPropertyMap GetUnparsedProperties() const;
+
+private:
+    LazyPropertyMap lazyProps;
+    mutable PropertyMap props;
+    const std::shared_ptr<const PropertyTable> templateProps;
+    const Element* const element;
+};
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline 
+T PropertyGet(const PropertyTable& in, const std::string& name, const T& defaultValue) {
+    const Property* const prop = in.Get(name);
+    if( nullptr == prop) {
+        return defaultValue;
+    }
+
+    // strong typing, no need to be lenient
+    const TypedProperty<T>* const tprop = prop->As< TypedProperty<T> >();
+    if( nullptr == tprop) {
+        return defaultValue;
+    }
+
+    return tprop->Value();
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline 
+T PropertyGet(const PropertyTable& in, const std::string& name, bool& result, bool useTemplate=false ) {
+    const Property* prop = in.Get(name);
+    if( nullptr == prop) {
+        if ( ! useTemplate ) {
+            result = false;
+            return T();
+        }
+        const PropertyTable* templ = in.TemplateProps();
+        if ( nullptr == templ ) {
+            result = false;
+            return T();
+        }
+        prop = templ->Get(name);
+        if ( nullptr == prop ) {
+            result = false;
+            return T();
+        }
+    }
+
+    // strong typing, no need to be lenient
+    const TypedProperty<T>* const tprop = prop->As< TypedProperty<T> >();
+    if( nullptr == tprop) {
+        result = false;
+        return T();
+    }
+
+    result = true;
+    return tprop->Value();
+}
+
+} //! FBX
+} //! Assimp
+
+#endif // INCLUDED_AI_FBX_PROPERTIES_H
diff --git a/thirdparty/assimp/code/FBXTokenizer.cpp b/thirdparty/assimp/code/FBXTokenizer.cpp
new file mode 100644
index 0000000000..252cce3557
--- /dev/null
+++ b/thirdparty/assimp/code/FBXTokenizer.cpp
@@ -0,0 +1,248 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXTokenizer.cpp
+ *  @brief Implementation of the FBX broadphase lexer
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+// tab width for logging columns
+#define ASSIMP_FBX_TAB_WIDTH 4
+
+#include <assimp/ParsingUtils.h>
+
+#include "FBXTokenizer.h"
+#include "FBXUtil.h"
+#include <assimp/Exceptional.h>
+
+namespace Assimp {
+namespace FBX {
+
+// ------------------------------------------------------------------------------------------------
+Token::Token(const char* sbegin, const char* send, TokenType type, unsigned int line, unsigned int column)
+    :
+#ifdef DEBUG
+    contents(sbegin, static_cast<size_t>(send-sbegin)),
+#endif
+    sbegin(sbegin)
+    , send(send)
+    , type(type)
+    , line(line)
+    , column(column)
+{
+    ai_assert(sbegin);
+    ai_assert(send);
+
+    // tokens must be of non-zero length
+    ai_assert(static_cast<size_t>(send-sbegin) > 0);
+}
+
+// ------------------------------------------------------------------------------------------------
+Token::~Token()
+{
+}
+
+namespace {
+
+// ------------------------------------------------------------------------------------------------
+// signal tokenization error, this is always unrecoverable. Throws DeadlyImportError.
+AI_WONT_RETURN void TokenizeError(const std::string& message, unsigned int line, unsigned int column) AI_WONT_RETURN_SUFFIX;
+AI_WONT_RETURN void TokenizeError(const std::string& message, unsigned int line, unsigned int column)
+{
+    throw DeadlyImportError(Util::AddLineAndColumn("FBX-Tokenize",message,line,column));
+}
+
+
+// process a potential data token up to 'cur', adding it to 'output_tokens'.
+// ------------------------------------------------------------------------------------------------
+void ProcessDataToken( TokenList& output_tokens, const char*& start, const char*& end,
+                      unsigned int line,
+                      unsigned int column,
+                      TokenType type = TokenType_DATA,
+                      bool must_have_token = false)
+{
+    if (start && end) {
+        // sanity check:
+        // tokens should have no whitespace outside quoted text and [start,end] should
+        // properly delimit the valid range.
+        bool in_double_quotes = false;
+        for (const char* c = start; c != end + 1; ++c) {
+            if (*c == '\"') {
+                in_double_quotes = !in_double_quotes;
+            }
+
+            if (!in_double_quotes && IsSpaceOrNewLine(*c)) {
+                TokenizeError("unexpected whitespace in token", line, column);
+            }
+        }
+
+        if (in_double_quotes) {
+            TokenizeError("non-terminated double quotes", line, column);
+        }
+
+        output_tokens.push_back(new_Token(start,end + 1,type,line,column));
+    }
+    else if (must_have_token) {
+        TokenizeError("unexpected character, expected data token", line, column);
+    }
+
+    start = end = NULL;
+}
+
+}
+
+// ------------------------------------------------------------------------------------------------
+void Tokenize(TokenList& output_tokens, const char* input)
+{
+    ai_assert(input);
+
+    // line and column numbers numbers are one-based
+    unsigned int line = 1;
+    unsigned int column = 1;
+
+    bool comment = false;
+    bool in_double_quotes = false;
+    bool pending_data_token = false;
+
+    const char* token_begin = NULL, *token_end = NULL;
+    for (const char* cur = input;*cur;column += (*cur == '\t' ? ASSIMP_FBX_TAB_WIDTH : 1), ++cur) {
+        const char c = *cur;
+
+        if (IsLineEnd(c)) {
+            comment = false;
+
+            column = 0;
+            ++line;
+        }
+
+        if(comment) {
+            continue;
+        }
+
+        if(in_double_quotes) {
+            if (c == '\"') {
+                in_double_quotes = false;
+                token_end = cur;
+
+                ProcessDataToken(output_tokens,token_begin,token_end,line,column);
+                pending_data_token = false;
+            }
+            continue;
+        }
+
+        switch(c)
+        {
+        case '\"':
+            if (token_begin) {
+                TokenizeError("unexpected double-quote", line, column);
+            }
+            token_begin = cur;
+            in_double_quotes = true;
+            continue;
+
+        case ';':
+            ProcessDataToken(output_tokens,token_begin,token_end,line,column);
+            comment = true;
+            continue;
+
+        case '{':
+            ProcessDataToken(output_tokens,token_begin,token_end, line, column);
+            output_tokens.push_back(new_Token(cur,cur+1,TokenType_OPEN_BRACKET,line,column));
+            continue;
+
+        case '}':
+            ProcessDataToken(output_tokens,token_begin,token_end,line,column);
+            output_tokens.push_back(new_Token(cur,cur+1,TokenType_CLOSE_BRACKET,line,column));
+            continue;
+
+        case ',':
+            if (pending_data_token) {
+                ProcessDataToken(output_tokens,token_begin,token_end,line,column,TokenType_DATA,true);
+            }
+            output_tokens.push_back(new_Token(cur,cur+1,TokenType_COMMA,line,column));
+            continue;
+
+        case ':':
+            if (pending_data_token) {
+                ProcessDataToken(output_tokens,token_begin,token_end,line,column,TokenType_KEY,true);
+            }
+            else {
+                TokenizeError("unexpected colon", line, column);
+            }
+            continue;
+        }
+
+        if (IsSpaceOrNewLine(c)) {
+
+            if (token_begin) {
+                // peek ahead and check if the next token is a colon in which
+                // case this counts as KEY token.
+                TokenType type = TokenType_DATA;
+                for (const char* peek = cur;  *peek && IsSpaceOrNewLine(*peek); ++peek) {
+                    if (*peek == ':') {
+                        type = TokenType_KEY;
+                        cur = peek;
+                        break;
+                    }
+                }
+
+                ProcessDataToken(output_tokens,token_begin,token_end,line,column,type);
+            }
+
+            pending_data_token = false;
+        }
+        else {
+            token_end = cur;
+            if (!token_begin) {
+                token_begin = cur;
+            }
+
+            pending_data_token = true;
+        }
+    }
+}
+
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXTokenizer.h b/thirdparty/assimp/code/FBXTokenizer.h
new file mode 100644
index 0000000000..2af29743f4
--- /dev/null
+++ b/thirdparty/assimp/code/FBXTokenizer.h
@@ -0,0 +1,187 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXTokenizer.h
+ *  @brief FBX lexer
+ */
+#ifndef INCLUDED_AI_FBX_TOKENIZER_H
+#define INCLUDED_AI_FBX_TOKENIZER_H
+
+#include "FBXCompileConfig.h"
+#include <assimp/ai_assert.h>
+#include <vector>
+#include <string>
+
+namespace Assimp {
+namespace FBX {
+
+/** Rough classification for text FBX tokens used for constructing the
+ *  basic scope hierarchy. */
+enum TokenType
+{
+    // {
+    TokenType_OPEN_BRACKET = 0,
+
+    // }
+    TokenType_CLOSE_BRACKET,
+
+    // '"blablubb"', '2', '*14' - very general token class,
+    // further processing happens at a later stage.
+    TokenType_DATA,
+
+    //
+    TokenType_BINARY_DATA,
+
+    // ,
+    TokenType_COMMA,
+
+    // blubb:
+    TokenType_KEY
+};
+
+
+/** Represents a single token in a FBX file. Tokens are
+ *  classified by the #TokenType enumerated types.
+ *
+ *  Offers iterator protocol. Tokens are immutable. */
+class Token
+{
+private:
+    static const unsigned int BINARY_MARKER = static_cast<unsigned int>(-1);
+
+public:
+    /** construct a textual token */
+    Token(const char* sbegin, const char* send, TokenType type, unsigned int line, unsigned int column);
+
+    /** construct a binary token */
+    Token(const char* sbegin, const char* send, TokenType type, unsigned int offset);
+
+    ~Token();
+
+public:
+    std::string StringContents() const {
+        return std::string(begin(),end());
+    }
+
+    bool IsBinary() const {
+        return column == BINARY_MARKER;
+    }
+
+    const char* begin() const {
+        return sbegin;
+    }
+
+    const char* end() const {
+        return send;
+    }
+
+    TokenType Type() const {
+        return type;
+    }
+
+    unsigned int Offset() const {
+        ai_assert(IsBinary());
+        return offset;
+    }
+
+    unsigned int Line() const {
+        ai_assert(!IsBinary());
+        return line;
+    }
+
+    unsigned int Column() const {
+        ai_assert(!IsBinary());
+        return column;
+    }
+
+private:
+
+#ifdef DEBUG
+    // full string copy for the sole purpose that it nicely appears
+    // in msvc's debugger window.
+    const std::string contents;
+#endif
+
+
+    const char* const sbegin;
+    const char* const send;
+    const TokenType type;
+
+    union {
+        const unsigned int line;
+        unsigned int offset;
+    };
+    const unsigned int column;
+};
+
+// XXX should use C++11's unique_ptr - but assimp's need to keep working with 03
+typedef const Token* TokenPtr;
+typedef std::vector< TokenPtr > TokenList;
+
+#define new_Token new Token
+
+
+/** Main FBX tokenizer function. Transform input buffer into a list of preprocessed tokens.
+ *
+ *  Skips over comments and generates line and column numbers.
+ *
+ * @param output_tokens Receives a list of all tokens in the input data.
+ * @param input_buffer Textual input buffer to be processed, 0-terminated.
+ * @throw DeadlyImportError if something goes wrong */
+void Tokenize(TokenList& output_tokens, const char* input);
+
+
+/** Tokenizer function for binary FBX files.
+ *
+ *  Emits a token list suitable for direct parsing.
+ *
+ * @param output_tokens Receives a list of all tokens in the input data.
+ * @param input_buffer Binary input buffer to be processed.
+ * @param length Length of input buffer, in bytes. There is no 0-terminal.
+ * @throw DeadlyImportError if something goes wrong */
+void TokenizeBinary(TokenList& output_tokens, const char* input, unsigned int length);
+
+
+} // ! FBX
+} // ! Assimp
+
+#endif // ! INCLUDED_AI_FBX_PARSER_H
diff --git a/thirdparty/assimp/code/FBXUtil.cpp b/thirdparty/assimp/code/FBXUtil.cpp
new file mode 100644
index 0000000000..c184c4a00b
--- /dev/null
+++ b/thirdparty/assimp/code/FBXUtil.cpp
@@ -0,0 +1,120 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXUtil.cpp
+ *  @brief Implementation of internal FBX utility functions
+ */
+
+#include "FBXUtil.h"
+#include "FBXTokenizer.h"
+
+#include <assimp/TinyFormatter.h>
+#include <string>
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+namespace Assimp {
+namespace FBX {
+namespace Util {
+
+// ------------------------------------------------------------------------------------------------
+const char* TokenTypeString(TokenType t)
+{
+    switch(t) {
+        case TokenType_OPEN_BRACKET:
+            return "TOK_OPEN_BRACKET";
+
+        case TokenType_CLOSE_BRACKET:
+            return "TOK_CLOSE_BRACKET";
+
+        case TokenType_DATA:
+            return "TOK_DATA";
+
+        case TokenType_COMMA:
+            return "TOK_COMMA";
+
+        case TokenType_KEY:
+            return "TOK_KEY";
+
+        case TokenType_BINARY_DATA:
+            return "TOK_BINARY_DATA";
+    }
+
+    ai_assert(false);
+    return "";
+}
+
+
+// ------------------------------------------------------------------------------------------------
+std::string AddOffset(const std::string& prefix, const std::string& text, unsigned int offset)
+{
+    return static_cast<std::string>( (Formatter::format() << prefix << " (offset 0x" << std::hex << offset << ") " << text) );
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string AddLineAndColumn(const std::string& prefix, const std::string& text, unsigned int line, unsigned int column)
+{
+    return static_cast<std::string>( (Formatter::format() << prefix << " (line " << line << " <<  col " << column << ") " << text) );
+}
+
+// ------------------------------------------------------------------------------------------------
+std::string AddTokenText(const std::string& prefix, const std::string& text, const Token* tok)
+{
+    if(tok->IsBinary()) {
+        return static_cast<std::string>( (Formatter::format() << prefix <<
+            " (" << TokenTypeString(tok->Type()) <<
+            ", offset 0x" << std::hex << tok->Offset() << ") " <<
+            text) );
+    }
+
+    return static_cast<std::string>( (Formatter::format() << prefix <<
+        " (" << TokenTypeString(tok->Type()) <<
+        ", line " << tok->Line() <<
+        ", col " << tok->Column() << ") " <<
+        text) );
+}
+
+} // !Util
+} // !FBX
+} // !Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/FBXUtil.h b/thirdparty/assimp/code/FBXUtil.h
new file mode 100644
index 0000000000..1a37d346b4
--- /dev/null
+++ b/thirdparty/assimp/code/FBXUtil.h
@@ -0,0 +1,105 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXUtil.h
+ *  @brief FBX utility functions for internal use
+ */
+#ifndef INCLUDED_AI_FBX_UTIL_H
+#define INCLUDED_AI_FBX_UTIL_H
+
+#include "FBXCompileConfig.h"
+#include "FBXTokenizer.h"
+
+namespace Assimp {
+namespace FBX {
+
+
+namespace Util {
+
+
+/** helper for std::for_each to delete all heap-allocated items in a container */
+template<typename T>
+struct delete_fun
+{
+    void operator()(const volatile T* del) {
+        delete del;
+    }
+};
+
+/** Get a string representation for a #TokenType. */
+const char* TokenTypeString(TokenType t);
+
+
+
+/** Format log/error messages using a given offset in the source binary file
+ *
+ *  @param prefix Message prefix to be preprended to the location info.
+ *  @param text Message text
+ *  @param line Line index, 1-based
+ *  @param column Column index, 1-based
+ *  @return A string of the following format: {prefix} (offset 0x{offset}) {text}*/
+std::string AddOffset(const std::string& prefix, const std::string& text, unsigned int offset);
+
+
+/** Format log/error messages using a given line location in the source file.
+ *
+ *  @param prefix Message prefix to be preprended to the location info.
+ *  @param text Message text
+ *  @param line Line index, 1-based
+ *  @param column Column index, 1-based
+ *  @return A string of the following format: {prefix} (line {line}, col {column}) {text}*/
+std::string AddLineAndColumn(const std::string& prefix, const std::string& text, unsigned int line, unsigned int column);
+
+
+/** Format log/error messages using a given cursor token.
+ *
+ *  @param prefix Message prefix to be preprended to the location info.
+ *  @param text Message text
+ *  @param tok Token where parsing/processing stopped
+ *  @return A string of the following format: {prefix} ({token-type}, line {line}, col {column}) {text}*/
+std::string AddTokenText(const std::string& prefix, const std::string& text, const Token* tok);
+
+}
+}
+}
+
+#endif // ! INCLUDED_AI_FBX_UTIL_H
diff --git a/thirdparty/assimp/code/FIReader.cpp b/thirdparty/assimp/code/FIReader.cpp
new file mode 100644
index 0000000000..2116316ca3
--- /dev/null
+++ b/thirdparty/assimp/code/FIReader.cpp
@@ -0,0 +1,1834 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+/// \file   FIReader.cpp
+/// \brief  Reader for Fast Infoset encoded binary XML files.
+/// \date   2017
+/// \author Patrick Daehne
+
+#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
+
+#include "FIReader.hpp"
+#include <assimp/StringUtils.h>
+
+// Workaround for issue #1361
+// https://github.com/assimp/assimp/issues/1361
+#ifdef __ANDROID__
+#  define _GLIBCXX_USE_C99 1
+#endif
+
+#include <assimp/Exceptional.h>
+#include <assimp/IOStream.hpp>
+#include <assimp/types.h>
+#include <assimp/MemoryIOWrapper.h>
+#include <assimp/irrXMLWrapper.h>
+#include "../contrib/utf8cpp/source/utf8.h"
+#include <assimp/fast_atof.h>
+#include <stack>
+#include <map>
+#include <iostream>
+#include <sstream>
+#include <iomanip>
+
+namespace Assimp {
+
+static const std::string parseErrorMessage = "Fast Infoset parse error";
+
+static const char *xmlDeclarations[] = {
+    "<?xml encoding='finf'?>",
+    "<?xml encoding='finf' standalone='yes'?>",
+    "<?xml encoding='finf' standalone='no'?>",
+    "<?xml version='1.0' encoding='finf'?>",
+    "<?xml version='1.0' encoding='finf' standalone='yes'?>",
+    "<?xml version='1.0' encoding='finf' standalone='no'?>",
+    "<?xml version='1.1' encoding='finf'?>",
+    "<?xml version='1.1' encoding='finf' standalone='yes'?>",
+    "<?xml version='1.1' encoding='finf' standalone='no'?>"
+};
+
+static size_t parseMagic(const uint8_t *data, const uint8_t *dataEnd) {
+    if (dataEnd - data < 4) {
+        return 0;
+    }
+    uint32_t magic = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+    switch (magic) {
+    case 0xe0000001:
+        return 4;
+    case 0x3c3f786d: // "<?xm"
+        {
+            size_t xmlDeclarationsLength = sizeof(xmlDeclarations) / sizeof(xmlDeclarations[0]);
+            for (size_t i = 0; i < xmlDeclarationsLength; ++i) {
+                auto xmlDeclaration = xmlDeclarations[i];
+                ptrdiff_t xmlDeclarationLength = strlen(xmlDeclaration);
+                if ((dataEnd - data >= xmlDeclarationLength) && (memcmp(xmlDeclaration, data, xmlDeclarationLength) == 0)) {
+                    data += xmlDeclarationLength;
+                    if (dataEnd - data < 4) {
+                        return 0;
+                    }
+                    magic = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+                    return magic == 0xe0000001 ? xmlDeclarationLength + 4 : 0;
+                }
+            }
+            return 0;
+        }
+    default:
+        return 0;
+    }
+}
+
+static std::string parseUTF8String(const uint8_t *data, size_t len) {
+    return std::string((char*)data, len);
+}
+
+static std::string parseUTF16String(const uint8_t *data, size_t len) {
+    if (len & 1) {
+        throw DeadlyImportError(parseErrorMessage);
+    }
+    size_t numShorts = len / 2;
+    std::vector<short> utf16;
+    utf16.reserve(numShorts);
+    for (size_t i = 0; i < numShorts; ++i) {
+        short v = (data[0] << 8) | data[1];
+        utf16.push_back(v);
+        data += 2;
+    }
+    std::string result;
+    utf8::utf16to8(utf16.begin(), utf16.end(), back_inserter(result));
+    return result;
+}
+
+struct FIStringValueImpl: public FIStringValue {
+    inline FIStringValueImpl(std::string &&value_) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ { return value; }
+};
+
+std::shared_ptr<FIStringValue> FIStringValue::create(std::string &&value) {
+    return std::make_shared<FIStringValueImpl>(std::move(value));
+}
+
+struct FIHexValueImpl: public FIHexValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIHexValueImpl(std::vector<uint8_t> &&value_):  strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            os << std::hex << std::uppercase << std::setfill('0');
+            std::for_each(value.begin(), value.end(), [&](uint8_t c) { os << std::setw(2) << static_cast<int>(c); });
+            strValue = os.str();
+        }
+        return strValue;
+    };
+};
+
+std::shared_ptr<FIHexValue> FIHexValue::create(std::vector<uint8_t> &&value) {
+    return std::make_shared<FIHexValueImpl>(std::move(value));
+}
+
+struct FIBase64ValueImpl: public FIBase64Value {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIBase64ValueImpl(std::vector<uint8_t> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            uint8_t c1 = 0, c2;
+            int imod3 = 0;
+            std::vector<uint8_t>::size_type valueSize = value.size();
+            for (std::vector<uint8_t>::size_type i = 0; i < valueSize; ++i) {
+                c2 = value[i];
+                switch (imod3) {
+                case 0:
+                    os << basis_64[c2 >> 2];
+                    imod3 = 1;
+                    break;
+                case 1:
+                    os << basis_64[((c1 & 0x03) << 4) | ((c2 & 0xf0) >> 4)];
+                    imod3 = 2;
+                    break;
+                case 2:
+                    os << basis_64[((c1 & 0x0f) << 2) | ((c2 & 0xc0) >> 6)] << basis_64[c2 & 0x3f];
+                    imod3 = 0;
+                    break;
+                }
+                c1 = c2;
+            }
+            switch (imod3) {
+            case 1:
+                os << basis_64[(c1 & 0x03) << 4] << "==";
+                break;
+            case 2:
+                os << basis_64[(c1 & 0x0f) << 2] << '=';
+                break;
+            }
+            strValue = os.str();
+        }
+        return strValue;
+    };
+    static const char basis_64[];
+};
+
+const char FIBase64ValueImpl::basis_64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+std::shared_ptr<FIBase64Value> FIBase64Value::create(std::vector<uint8_t> &&value) {
+    return std::make_shared<FIBase64ValueImpl>(std::move(value));
+}
+
+struct FIShortValueImpl: public FIShortValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIShortValueImpl(std::vector<int16_t> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](int16_t s) { if (++n > 1) os << ' '; os << s; });
+            strValue = os.str();
+        }
+        return strValue;
+    }
+};
+
+std::shared_ptr<FIShortValue> FIShortValue::create(std::vector<int16_t> &&value) {
+    return std::make_shared<FIShortValueImpl>(std::move(value));
+}
+
+struct FIIntValueImpl: public FIIntValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIIntValueImpl(std::vector<int32_t> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](int32_t i) { if (++n > 1) os << ' '; os << i; });
+            strValue = os.str();
+        }
+        return strValue;
+    };
+};
+
+std::shared_ptr<FIIntValue> FIIntValue::create(std::vector<int32_t> &&value) {
+    return std::make_shared<FIIntValueImpl>(std::move(value));
+}
+
+struct FILongValueImpl: public FILongValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FILongValueImpl(std::vector<int64_t> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](int64_t l) { if (++n > 1) os << ' '; os << l; });
+            strValue = os.str();
+        }
+        return strValue;
+    };
+};
+
+std::shared_ptr<FILongValue> FILongValue::create(std::vector<int64_t> &&value) {
+    return std::make_shared<FILongValueImpl>(std::move(value));
+}
+
+struct FIBoolValueImpl: public FIBoolValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIBoolValueImpl(std::vector<bool> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            os << std::boolalpha;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](bool b) { if (++n > 1) os << ' '; os << b; });
+            strValue = os.str();
+        }
+        return strValue;
+    };
+};
+
+std::shared_ptr<FIBoolValue> FIBoolValue::create(std::vector<bool> &&value) {
+    return std::make_shared<FIBoolValueImpl>(std::move(value));
+}
+
+struct FIFloatValueImpl: public FIFloatValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIFloatValueImpl(std::vector<float> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](float f) { if (++n > 1) os << ' '; os << f; });
+            strValue = os.str();
+        }
+        return strValue;
+    }
+};
+
+std::shared_ptr<FIFloatValue> FIFloatValue::create(std::vector<float> &&value) {
+    return std::make_shared<FIFloatValueImpl>(std::move(value));
+}
+
+struct FIDoubleValueImpl: public FIDoubleValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIDoubleValueImpl(std::vector<double> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            int n = 0;
+            std::for_each(value.begin(), value.end(), [&](double d) { if (++n > 1) os << ' '; os << d; });
+            strValue = os.str();
+        }
+        return strValue;
+    }
+};
+
+std::shared_ptr<FIDoubleValue> FIDoubleValue::create(std::vector<double> &&value) {
+    return std::make_shared<FIDoubleValueImpl>(std::move(value));
+}
+
+struct FIUUIDValueImpl: public FIUUIDValue {
+    mutable std::string strValue;
+    mutable bool strValueValid;
+    inline FIUUIDValueImpl(std::vector<uint8_t> &&value_): strValueValid(false) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ {
+        if (!strValueValid) {
+            strValueValid = true;
+            std::ostringstream os;
+            os << std::hex << std::uppercase << std::setfill('0');
+            std::vector<uint8_t>::size_type valueSize = value.size();
+            for (std::vector<uint8_t>::size_type i = 0; i < valueSize; ++i) {
+                switch (i & 15) {
+                case 0:
+                    if (i > 0) {
+                        os << ' ';
+                    }
+                    os << std::setw(2) << static_cast<int>(value[i]);
+                    break;
+                case 4:
+                case 6:
+                case 8:
+                case 10:
+                    os << '-';
+                    // intentionally fall through!
+                case 1:
+                case 2:
+                case 3:
+                case 5:
+                case 7:
+                case 9:
+                case 11:
+                case 12:
+                case 13:
+                case 14:
+                case 15:
+                    os << std::setw(2) << static_cast<int>(value[i]);
+                    break;
+                }
+            }
+            strValue = os.str();
+        }
+        return strValue;
+    };
+};
+
+std::shared_ptr<FIUUIDValue> FIUUIDValue::create(std::vector<uint8_t> &&value) {
+    return std::make_shared<FIUUIDValueImpl>(std::move(value));
+}
+
+struct FICDATAValueImpl: public FICDATAValue {
+    inline FICDATAValueImpl(std::string &&value_) { value = std::move(value_); }
+    virtual const std::string &toString() const /*override*/ { return value; }
+};
+
+std::shared_ptr<FICDATAValue> FICDATAValue::create(std::string &&value) {
+    return std::make_shared<FICDATAValueImpl>(std::move(value));
+}
+
+struct FIHexDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        return FIHexValue::create(std::vector<uint8_t>(data, data + len));
+    }
+};
+
+struct FIBase64Decoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        return FIBase64Value::create(std::vector<uint8_t>(data, data + len));
+    }
+};
+
+struct FIShortDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 1) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<int16_t> value;
+        size_t numShorts = len / 2;
+        value.reserve(numShorts);
+        for (size_t i = 0; i < numShorts; ++i) {
+            int16_t v = (data[0] << 8) | data[1];
+            value.push_back(v);
+            data += 2;
+        }
+        return FIShortValue::create(std::move(value));
+    }
+};
+
+struct FIIntDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 3) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<int32_t> value;
+        size_t numInts = len / 4;
+        value.reserve(numInts);
+        for (size_t i = 0; i < numInts; ++i) {
+            int32_t v = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+            value.push_back(v);
+            data += 4;
+        }
+        return FIIntValue::create(std::move(value));
+    }
+};
+
+struct FILongDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 7) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<int64_t> value;
+        size_t numLongs = len / 8;
+        value.reserve(numLongs);
+        for (size_t i = 0; i < numLongs; ++i) {
+            int64_t b0 = data[0], b1 = data[1], b2 = data[2], b3 = data[3], b4 = data[4], b5 = data[5], b6 = data[6], b7 = data[7];
+            int64_t v = (b0 << 56) | (b1 << 48) | (b2 << 40) | (b3 << 32) | (b4 << 24) | (b5 << 16) | (b6 << 8) | b7;
+            value.push_back(v);
+            data += 8;
+        }
+        return FILongValue::create(std::move(value));
+    }
+};
+
+struct FIBoolDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len < 1) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<bool> value;
+        uint8_t b = *data++;
+        size_t unusedBits = b >> 4;
+        size_t numBools = (len * 8) - 4 - unusedBits;
+        value.reserve(numBools);
+        uint8_t mask = 1 << 3;
+        for (size_t i = 0; i < numBools; ++i) {
+            if (!mask) {
+                mask = 1 << 7;
+                b = *data++;
+            }
+            value.push_back((b & mask) != 0);
+        }
+        return FIBoolValue::create(std::move(value));
+    }
+};
+
+struct FIFloatDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 3) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<float> value;
+        size_t numFloats = len / 4;
+        value.reserve(numFloats);
+        for (size_t i = 0; i < numFloats; ++i) {
+            int v = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+            float f;
+            memcpy(&f, &v, 4);
+            value.push_back(f);
+            data += 4;
+        }
+        return FIFloatValue::create(std::move(value));
+    }
+};
+
+struct FIDoubleDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 7) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::vector<double> value;
+        size_t numDoubles = len / 8;
+        value.reserve(numDoubles);
+        for (size_t i = 0; i < numDoubles; ++i) {
+            long long b0 = data[0], b1 = data[1], b2 = data[2], b3 = data[3], b4 = data[4], b5 = data[5], b6 = data[6], b7 = data[7];
+            long long v = (b0 << 56) | (b1 << 48) | (b2 << 40) | (b3 << 32) | (b4 << 24) | (b5 << 16) | (b6 << 8) | b7;
+            double f;
+            memcpy(&f, &v, 8);
+            value.push_back(f);
+            data += 8;
+        }
+        return FIDoubleValue::create(std::move(value));
+    }
+};
+
+struct FIUUIDDecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        if (len & 15) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        return FIUUIDValue::create(std::vector<uint8_t>(data, data + len));
+    }
+};
+
+struct FICDATADecoder: public FIDecoder {
+    virtual std::shared_ptr<const FIValue> decode(const uint8_t *data, size_t len) /*override*/ {
+        return FICDATAValue::create(parseUTF8String(data, len));
+    }
+};
+
+class CFIReaderImpl: public FIReader {
+public:
+
+    CFIReaderImpl(std::unique_ptr<uint8_t[]> data_, size_t size):
+    data(std::move(data_)), dataP(data.get()), dataEnd(data.get() + size), currentNodeType(irr::io::EXN_NONE),
+    emptyElement(false), headerPending(true), terminatorPending(false)
+    {}
+
+    virtual ~CFIReaderImpl() {}
+
+    virtual bool read() /*override*/ {
+        if (headerPending) {
+            headerPending = false;
+            parseHeader();
+        }
+        if (terminatorPending) {
+            terminatorPending = false;
+            if (elementStack.empty()) {
+                return false;
+            }
+            else {
+                nodeName = elementStack.top();
+                elementStack.pop();
+                currentNodeType = nodeName.empty() ? irr::io::EXN_UNKNOWN : irr::io::EXN_ELEMENT_END;
+                return true;
+            }
+        }
+        if (dataP >= dataEnd) {
+            return false;
+        }
+        uint8_t b = *dataP;
+        if (b < 0x80) { // Element (C.2.11.2, C.3.7.2)
+            // C.3
+            parseElement();
+            return true;
+        }
+        else if (b < 0xc0) { // Characters (C.3.7.5)
+            // C.7
+            auto chars = parseNonIdentifyingStringOrIndex3(vocabulary.charactersTable);
+            nodeName = chars->toString();
+            currentNodeType = irr::io::EXN_TEXT;
+            return true;
+        }
+        else if (b < 0xe0) {
+            if ((b & 0xfc) == 0xc4) { // DTD (C.2.11.5)
+                // C.9
+                ++dataP;
+                if (b & 0x02) {
+                    /*const std::string &systemID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                if (b & 0x01) {
+                    /*const std::string &publicID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                elementStack.push(EmptyString);
+                currentNodeType = irr::io::EXN_UNKNOWN;
+                return true;
+            }
+            else if ((b & 0xfc) == 0xc8) { // Unexpanded entity reference (C.3.7.4)
+                // C.6
+                ++dataP;
+                /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable);
+                if (b & 0x02) {
+                    /*const std::string &systemID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                if (b & 0x01) {
+                    /*const std::string &publicID =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                currentNodeType = irr::io::EXN_UNKNOWN;
+                return true;
+            }
+        }
+        else if (b < 0xf0) {
+            if (b == 0xe1) { // Processing instruction (C.2.11.3, C.3.7.3)
+                // C.5
+                ++dataP;
+                /*const std::string &target =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable);
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                /*std::shared_ptr<const FIValue> data =*/ parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable);
+                currentNodeType = irr::io::EXN_UNKNOWN;
+                return true;
+            }
+            else if (b == 0xe2) { // Comment (C.2.11.4, C.3.7.6)
+                // C.8
+                ++dataP;
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                std::shared_ptr<const FIValue> comment = parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable);
+                nodeName = comment->toString();
+                currentNodeType = irr::io::EXN_COMMENT;
+                return true;
+            }
+        }
+        else { // Terminator (C.2.12, C.3.8)
+            ++dataP;
+            if (b == 0xff) {
+                terminatorPending = true;
+            }
+            if (elementStack.empty()) {
+                return false;
+            }
+            else {
+                nodeName = elementStack.top();
+                elementStack.pop();
+                currentNodeType = nodeName.empty() ? irr::io::EXN_UNKNOWN : irr::io::EXN_ELEMENT_END;
+                return true;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    virtual irr::io::EXML_NODE getNodeType() const /*override*/ {
+        return currentNodeType;
+    }
+
+    virtual int getAttributeCount() const /*override*/ {
+        return static_cast<int>(attributes.size());
+    }
+
+    virtual const char* getAttributeName(int idx) const /*override*/ {
+        if (idx < 0 || idx >= (int)attributes.size()) {
+            return nullptr;
+        }
+        return attributes[idx].name.c_str();
+    }
+
+    virtual const char* getAttributeValue(int idx) const /*override*/ {
+        if (idx < 0 || idx >= (int)attributes.size()) {
+            return nullptr;
+        }
+        return attributes[idx].value->toString().c_str();
+    }
+
+    virtual const char* getAttributeValue(const char* name) const /*override*/ {
+        const Attribute* attr = getAttributeByName(name);
+        if (!attr) {
+            return nullptr;
+        }
+        return attr->value->toString().c_str();
+    }
+
+    virtual const char* getAttributeValueSafe(const char* name) const /*override*/ {
+        const Attribute* attr = getAttributeByName(name);
+        if (!attr) {
+            return EmptyString.c_str();
+        }
+        return attr->value->toString().c_str();
+    }
+
+    virtual int getAttributeValueAsInt(const char* name) const /*override*/ {
+        const Attribute* attr = getAttributeByName(name);
+        if (!attr) {
+            return 0;
+        }
+        std::shared_ptr<const FIIntValue> intValue = std::dynamic_pointer_cast<const FIIntValue>(attr->value);
+        if (intValue) {
+            return intValue->value.size() == 1 ? intValue->value.front() : 0;
+        }
+        return atoi(attr->value->toString().c_str());
+    }
+
+    virtual int getAttributeValueAsInt(int idx) const /*override*/ {
+        if (idx < 0 || idx >= (int)attributes.size()) {
+            return 0;
+        }
+        std::shared_ptr<const FIIntValue> intValue = std::dynamic_pointer_cast<const FIIntValue>(attributes[idx].value);
+        if (intValue) {
+            return intValue->value.size() == 1 ? intValue->value.front() : 0;
+        }
+        return atoi(attributes[idx].value->toString().c_str());
+    }
+
+    virtual float getAttributeValueAsFloat(const char* name) const /*override*/ {
+        const Attribute* attr = getAttributeByName(name);
+        if (!attr) {
+            return 0;
+        }
+        std::shared_ptr<const FIFloatValue> floatValue = std::dynamic_pointer_cast<const FIFloatValue>(attr->value);
+        if (floatValue) {
+            return floatValue->value.size() == 1 ? floatValue->value.front() : 0;
+        }
+
+        return fast_atof(attr->value->toString().c_str());
+    }
+
+    virtual float getAttributeValueAsFloat(int idx) const /*override*/ {
+        if (idx < 0 || idx >= (int)attributes.size()) {
+            return 0;
+        }
+        std::shared_ptr<const FIFloatValue> floatValue = std::dynamic_pointer_cast<const FIFloatValue>(attributes[idx].value);
+        if (floatValue) {
+            return floatValue->value.size() == 1 ? floatValue->value.front() : 0;
+        }
+        return fast_atof(attributes[idx].value->toString().c_str());
+    }
+
+    virtual const char* getNodeName() const /*override*/ {
+        return nodeName.c_str();
+    }
+
+    virtual const char* getNodeData() const /*override*/ {
+        return nodeName.c_str();
+    }
+
+    virtual bool isEmptyElement() const /*override*/ {
+        return emptyElement;
+    }
+
+    virtual irr::io::ETEXT_FORMAT getSourceFormat() const /*override*/ {
+        return irr::io::ETF_UTF8;
+    }
+
+    virtual irr::io::ETEXT_FORMAT getParserFormat() const /*override*/ {
+        return irr::io::ETF_UTF8;
+    }
+
+    virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(int idx) const /*override*/ {
+        if (idx < 0 || idx >= (int)attributes.size()) {
+            return nullptr;
+        }
+        return attributes[idx].value;
+    }
+
+    virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(const char* name) const /*override*/ {
+        const Attribute* attr = getAttributeByName(name);
+        if (!attr) {
+            return nullptr;
+        }
+        return attr->value;
+    }
+
+    virtual void registerDecoder(const std::string &algorithmUri, std::unique_ptr<FIDecoder> decoder) /*override*/ {
+        decoderMap[algorithmUri] = std::move(decoder);
+    }
+
+    virtual void registerVocabulary(const std::string &vocabularyUri, const FIVocabulary *vocabulary) /*override*/ {
+        vocabularyMap[vocabularyUri] = vocabulary;
+    }
+
+private:
+
+    struct QName {
+        std::string prefix;
+        std::string uri;
+        std::string name;
+        inline QName() {}
+        inline QName(const FIQName &qname): prefix(qname.prefix ? qname.prefix : ""), uri(qname.uri ? qname.uri : ""), name(qname.name) {}
+    };
+
+    struct Attribute {
+        QName qname;
+        std::string name;
+        std::shared_ptr<const FIValue> value;
+    };
+
+    struct Vocabulary {
+        std::vector<std::string> restrictedAlphabetTable;
+        std::vector<std::string> encodingAlgorithmTable;
+        std::vector<std::string> prefixTable;
+        std::vector<std::string> namespaceNameTable;
+        std::vector<std::string> localNameTable;
+        std::vector<std::string> otherNCNameTable;
+        std::vector<std::string> otherURITable;
+        std::vector<std::shared_ptr<const FIValue>> attributeValueTable;
+        std::vector<std::shared_ptr<const FIValue>> charactersTable;
+        std::vector<std::shared_ptr<const FIValue>> otherStringTable;
+        std::vector<QName> elementNameTable;
+        std::vector<QName> attributeNameTable;
+        Vocabulary() {
+            prefixTable.push_back("xml");
+            namespaceNameTable.push_back("http://www.w3.org/XML/1998/namespace");
+        }
+    };
+
+    const Attribute* getAttributeByName(const char* name) const {
+        if (!name) {
+            return 0;
+        }
+        std::string n = name;
+        for (int i=0; i<(int)attributes.size(); ++i) {
+            if (attributes[i].name == n) {
+                return &attributes[i];
+            }
+        }
+        return 0;
+    }
+
+    size_t parseInt2() { // C.25
+        uint8_t b = *dataP++;
+        if (!(b & 0x40)) { // x0...... (C.25.2)
+            return b & 0x3f;
+        }
+        else if ((b & 0x60) == 0x40) { // x10..... ........ (C.25.3)
+            if (dataEnd - dataP > 0) {
+                return (((b & 0x1f) << 8) | *dataP++) + 0x40;
+            }
+        }
+        else if ((b & 0x70) == 0x60) { // x110.... ........ ........ (C.25.4)
+            if (dataEnd - dataP > 1) {
+                size_t result = (((b & 0x0f) << 16) | (dataP[0] << 8) | dataP[1]) + 0x2040;
+                dataP += 2;
+                return result;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    size_t parseInt3() { // C.27
+        uint8_t b = *dataP++;
+        if (!(b & 0x20)) { // xx0..... (C.27.2)
+            return b & 0x1f;
+        }
+        else if ((b & 0x38) == 0x20) { // xx100... ........ (C.27.3)
+            if (dataEnd - dataP > 0) {
+                return (((b & 0x07) << 8) | *dataP++) + 0x20;
+            }
+        }
+        else if ((b & 0x38) == 0x28) { // xx101... ........ ........ (C.27.4)
+            if (dataEnd - dataP > 1) {
+                size_t result = (((b & 0x07) << 16) | (dataP[0] << 8) | dataP[1]) + 0x820;
+                dataP += 2;
+                return result;
+            }
+        }
+        else if ((b & 0x3f) == 0x30) { // xx110000 0000.... ........ ........ (C.27.5)
+            if ((dataEnd - dataP > 2) && !(dataP[0] & 0xf0)) {
+                size_t result = (((dataP[0] & 0x0f) << 16) | (dataP[1] << 8) | dataP[2]) + 0x80820;
+                dataP += 3;
+                return result;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    size_t parseInt4() { // C.28
+        uint8_t b = *dataP++;
+        if (!(b & 0x10)) { // xxx0.... (C.28.2)
+            return b & 0x0f;
+        }
+        else if ((b & 0x1c) == 0x10) { // xxx100.. ........ (C.28.3)
+            if (dataEnd - dataP > 0) {
+                return (((b & 0x03) << 8) | *dataP++) + 0x10;
+            }
+        }
+        else if ((b & 0x1c) == 0x14) { // xxx101.. ........ ........ (C.28.4)
+            if (dataEnd - dataP > 1) {
+                size_t result = (((b & 0x03) << 16) | (dataP[0] << 8) | dataP[1]) + 0x410;
+                dataP += 2;
+                return result;
+            }
+        }
+        else if ((b & 0x1f) == 0x18) { // xxx11000 0000.... ........ ........ (C.28.5)
+            if ((dataEnd - dataP > 2) && !(dataP[0] & 0xf0)) {
+                size_t result = (((dataP[0] & 0x0f) << 16) | (dataP[1] << 8) | dataP[2]) + 0x40410;
+                dataP += 3;
+                return result;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    size_t parseSequenceLen() { // C.21
+        if (dataEnd - dataP > 0) {
+            uint8_t b = *dataP++;
+            if (b < 0x80) { // 0....... (C.21.2)
+                return b;
+            }
+            else if ((b & 0xf0) == 0x80) { // 1000.... ........ ........ (C.21.3)
+                if (dataEnd - dataP > 1) {
+                    size_t result = (((b & 0x0f) << 16) | (dataP[0] << 8) | dataP[1]) + 0x80;
+                    dataP += 2;
+                    return result;
+                }
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    std::string parseNonEmptyOctetString2() { // C.22
+        // Parse the length of the string
+        uint8_t b = *dataP++ & 0x7f;
+        size_t len;
+        if (!(b & 0x40)) { // x0...... (C.22.3.1)
+            len = b + 1;
+        }
+        else if (b == 0x40) { // x1000000 ........ (C.22.3.2)
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            len = *dataP++ + 0x41;
+        }
+        else if (b == 0x60) { // x1100000 ........ ........ ........ ........ (C.22.3.3)
+            if (dataEnd - dataP < 4) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            len = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x141;
+            dataP += 4;
+        }
+        else {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+
+        // Parse the string (C.22.4)
+        if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        std::string s = parseUTF8String(dataP, len);
+        dataP += len;
+
+        return s;
+    }
+
+    size_t parseNonEmptyOctetString5Length() { // C.23
+        // Parse the length of the string
+        size_t b = *dataP++ & 0x0f;
+        if (!(b & 0x08)) { // xxxx0... (C.23.3.1)
+            return b + 1;
+        }
+        else if (b == 0x08) { // xxxx1000 ........ (C.23.3.2)
+            if (dataEnd - dataP > 0) {
+                return *dataP++ + 0x09;
+            }
+        }
+        else if (b == 0x0c) { // xxxx1100 ........ ........ ........ ........ (C.23.3.3)
+            if (dataEnd - dataP > 3) {
+                size_t result = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x109;
+                dataP += 4;
+                return result;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    size_t parseNonEmptyOctetString7Length() { // C.24
+        // Parse the length of the string
+        size_t b = *dataP++ & 0x03;
+        if (!(b & 0x02)) { // xxxxxx0. (C.24.3.1)
+            return b + 1;
+        }
+        else if (b == 0x02) { // xxxxxx10 ........ (C.24.3.2)
+            if (dataEnd - dataP > 0) {
+                return *dataP++ + 0x3;
+            }
+        }
+        else if (b == 0x03) { // xxxxxx11 ........ ........ ........ ........ (C.24.3.3)
+            if (dataEnd - dataP > 3) {
+                size_t result = ((dataP[0] << 24) | (dataP[1] << 16) | (dataP[2] << 8) | dataP[3]) + 0x103;
+                dataP += 4;
+                return result;
+            }
+        }
+        throw DeadlyImportError(parseErrorMessage);
+    }
+
+    std::shared_ptr<const FIValue> parseEncodedData(size_t index, size_t len) {
+        if (index < 32) {
+            FIDecoder *decoder = defaultDecoder[index];
+            if (!decoder) {
+                throw DeadlyImportError("Invalid encoding algorithm index " + to_string(index));
+            }
+            return decoder->decode(dataP, len);
+        }
+        else {
+            if (index - 32 >= vocabulary.encodingAlgorithmTable.size()) {
+                throw DeadlyImportError("Invalid encoding algorithm index " + to_string(index));
+            }
+            std::string uri = vocabulary.encodingAlgorithmTable[index - 32];
+            auto it = decoderMap.find(uri);
+            if (it == decoderMap.end()) {
+                throw DeadlyImportError("Unsupported encoding algorithm " + uri);
+            }
+            else {
+                return it->second->decode(dataP, len);
+            }
+        }
+    }
+
+    std::shared_ptr<const FIValue> parseRestrictedAlphabet(size_t index, size_t len) {
+        std::string alphabet;
+        if (index < 16) {
+            switch (index) {
+            case 0: // numeric
+                alphabet = "0123456789-+.e ";
+                break;
+            case 1: // date and time
+                alphabet = "0123456789-:TZ ";
+                break;
+            default:
+                throw DeadlyImportError("Invalid restricted alphabet index " + to_string(index));
+            }
+        }
+        else {
+            if (index - 16 >= vocabulary.restrictedAlphabetTable.size()) {
+                throw DeadlyImportError("Invalid restricted alphabet index " + to_string(index));
+            }
+            alphabet = vocabulary.restrictedAlphabetTable[index - 16];
+        }
+        std::vector<uint32_t> alphabetUTF32;
+        utf8::utf8to32(alphabet.begin(), alphabet.end(), back_inserter(alphabetUTF32));
+        std::string::size_type alphabetLength = alphabetUTF32.size();
+        if (alphabetLength < 2) {
+            throw DeadlyImportError("Invalid restricted alphabet length " + to_string(alphabetLength));
+        }
+        std::string::size_type bitsPerCharacter = 1;
+        while ((1ull << bitsPerCharacter) <= alphabetLength) {
+            ++bitsPerCharacter;
+        }
+        size_t bitsAvail = 0;
+        uint8_t mask = (1 << bitsPerCharacter) - 1;
+        uint32_t bits = 0;
+        std::string s;
+        for (size_t i = 0; i < len; ++i) {
+            bits = (bits << 8) | dataP[i];
+            bitsAvail += 8;
+            while (bitsAvail >= bitsPerCharacter) {
+                bitsAvail -= bitsPerCharacter;
+                size_t charIndex = (bits >> bitsAvail) & mask;
+                if (charIndex < alphabetLength) {
+                    s.push_back(alphabetUTF32[charIndex]);
+                }
+                else if (charIndex != mask) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+            }
+        }
+        return FIStringValue::create(std::move(s));
+    }
+
+    std::shared_ptr<const FIValue> parseEncodedCharacterString3() { // C.19
+        std::shared_ptr<const FIValue> result;
+        size_t len;
+        uint8_t b = *dataP;
+        if (b & 0x20) {
+            ++dataP;
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            size_t index = ((b & 0x0f) << 4) | ((*dataP & 0xf0) >> 4); // C.29
+            len = parseNonEmptyOctetString5Length();
+            if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            if (b & 0x10) {
+                // encoding algorithm (C.19.3.4)
+                result = parseEncodedData(index, len);
+            }
+            else {
+                // Restricted alphabet (C.19.3.3)
+                result = parseRestrictedAlphabet(index, len);
+            }
+        }
+        else {
+            len = parseNonEmptyOctetString5Length();
+            if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            if (b & 0x10) {
+                // UTF-16 (C.19.3.2)
+                if (len & 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                result = FIStringValue::create(parseUTF16String(dataP, len));
+            }
+            else {
+                // UTF-8 (C.19.3.1)
+                result = FIStringValue::create(parseUTF8String(dataP, len));
+            }
+        }
+        dataP += len;
+        return result;
+    }
+
+    std::shared_ptr<const FIValue> parseEncodedCharacterString5() { // C.20
+        std::shared_ptr<const FIValue> result;
+        size_t len;
+        uint8_t b = *dataP;
+        if (b & 0x08) {
+            ++dataP;
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            size_t index = ((b & 0x03) << 6) | ((*dataP & 0xfc) >> 2); /* C.29 */
+            len = parseNonEmptyOctetString7Length();
+            if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            if (b & 0x04) {
+                // encoding algorithm (C.20.3.4)
+                result = parseEncodedData(index, len);
+            }
+            else {
+                // Restricted alphabet (C.20.3.3)
+                result = parseRestrictedAlphabet(index, len);
+            }
+        }
+        else {
+            len = parseNonEmptyOctetString7Length();
+            if (dataEnd - dataP < static_cast<ptrdiff_t>(len)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            if (b & 0x04) {
+                // UTF-16 (C.20.3.2)
+                if (len & 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                result = FIStringValue::create(parseUTF16String(dataP, len));
+            }
+            else {
+                // UTF-8 (C.20.3.1)
+                result = FIStringValue::create(parseUTF8String(dataP, len));
+            }
+        }
+        dataP += len;
+        return result;
+    }
+
+    const std::string &parseIdentifyingStringOrIndex(std::vector<std::string> &stringTable) { // C.13
+        if (dataEnd - dataP < 1) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        uint8_t b = *dataP;
+        if (b & 0x80) {
+            // We have an index (C.13.4)
+            size_t index = parseInt2();
+            if (index >= stringTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            return stringTable[index];
+        }
+        else {
+            // We have a string (C.13.3)
+            stringTable.push_back(parseNonEmptyOctetString2());
+            return stringTable.back();
+        }
+    }
+
+    QName parseNameSurrogate() { // C.16
+        if (dataEnd - dataP < 1) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        uint8_t b = *dataP++;
+        if (b & 0xfc) { // Padding '000000' C.2.5.5
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        QName result;
+        size_t index;
+        if (b & 0x02) { // prefix (C.16.3)
+            if ((dataEnd - dataP < 1) || (*dataP & 0x80)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            index = parseInt2();
+            if (index >= vocabulary.prefixTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            result.prefix = vocabulary.prefixTable[index];
+        }
+        if (b & 0x01) { // namespace-name (C.16.4)
+            if ((dataEnd - dataP < 1) || (*dataP & 0x80)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            index = parseInt2();
+            if (index >= vocabulary.namespaceNameTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            result.uri = vocabulary.namespaceNameTable[index];
+        }
+        // local-name
+        if ((dataEnd - dataP < 1) || (*dataP & 0x80)) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        index = parseInt2();
+        if (index >= vocabulary.localNameTable.size()) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        result.name = vocabulary.localNameTable[index];
+        return result;
+    }
+
+    const QName &parseQualifiedNameOrIndex2(std::vector<QName> &qNameTable) { // C.17
+        uint8_t b = *dataP;
+        if ((b & 0x7c) == 0x78) { // x11110..
+            // We have a literal (C.17.3)
+            ++dataP;
+            QName result;
+            // prefix (C.17.3.1)
+            result.prefix = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string();
+            // namespace-name (C.17.3.1)
+            result.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string();
+            // local-name
+            result.name = parseIdentifyingStringOrIndex(vocabulary.localNameTable);
+            qNameTable.push_back(result);
+            return qNameTable.back();
+        }
+        else {
+            // We have an index (C.17.4)
+            size_t index = parseInt2();
+            if (index >= qNameTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            return qNameTable[index];
+        }
+    }
+
+    const QName &parseQualifiedNameOrIndex3(std::vector<QName> &qNameTable) { // C.18
+        uint8_t b = *dataP;
+        if ((b & 0x3c) == 0x3c) { // xx1111..
+            // We have a literal (C.18.3)
+            ++dataP;
+            QName result;
+            // prefix (C.18.3.1)
+            result.prefix = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string();
+            // namespace-name (C.18.3.1)
+            result.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string();
+            // local-name
+            result.name = parseIdentifyingStringOrIndex(vocabulary.localNameTable);
+            qNameTable.push_back(result);
+            return qNameTable.back();
+        }
+        else {
+            // We have an index (C.18.4)
+            size_t index = parseInt3();
+            if (index >= qNameTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            return qNameTable[index];
+        }
+    }
+
+    std::shared_ptr<const FIValue> parseNonIdentifyingStringOrIndex1(std::vector<std::shared_ptr<const FIValue>> &valueTable) { // C.14
+        uint8_t b = *dataP;
+        if (b == 0xff) { // C.26.2
+            // empty string
+            ++dataP;
+            return EmptyFIString;
+        }
+        else if (b & 0x80) { // C.14.4
+            // We have an index
+            size_t index = parseInt2();
+            if (index >= valueTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            return valueTable[index];
+        }
+        else { // C.14.3
+            // We have a literal
+            std::shared_ptr<const FIValue> result = parseEncodedCharacterString3();
+            if (b & 0x40) { // C.14.3.1
+                valueTable.push_back(result);
+            }
+            return result;
+        }
+    }
+
+    std::shared_ptr<const FIValue> parseNonIdentifyingStringOrIndex3(std::vector<std::shared_ptr<const FIValue>> &valueTable) { // C.15
+        uint8_t b = *dataP;
+        if (b & 0x20) { // C.15.4
+            // We have an index
+            size_t index = parseInt4();
+            if (index >= valueTable.size()) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            return valueTable[index];
+        }
+        else { // C.15.3
+            // We have a literal
+            std::shared_ptr<const FIValue> result = parseEncodedCharacterString5();
+            if (b & 0x10) { // C.15.3.1
+                valueTable.push_back(result);
+            }
+            return result;
+        }
+    }
+
+    void parseElement() {
+        // C.3
+
+        attributes.clear();
+
+        uint8_t b = *dataP;
+        bool hasAttributes = (b & 0x40) != 0; // C.3.3
+        if ((b & 0x3f) == 0x38) { // C.3.4.1
+            // Parse namespaces
+            ++dataP;
+            for (;;) {
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                b = *dataP++;
+                if (b == 0xf0) { // C.3.4.3
+                    break;
+                }
+                if ((b & 0xfc) != 0xcc) { // C.3.4.2
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                // C.12
+                Attribute attr;
+                attr.qname.prefix = "xmlns";
+                attr.qname.name = b & 0x02 ? parseIdentifyingStringOrIndex(vocabulary.prefixTable) : std::string();
+                attr.qname.uri = b & 0x01 ? parseIdentifyingStringOrIndex(vocabulary.namespaceNameTable) : std::string();
+                attr.name = attr.qname.name.empty() ? "xmlns" : "xmlns:" + attr.qname.name;
+                attr.value = FIStringValue::create(std::string(attr.qname.uri));
+                attributes.push_back(attr);
+            }
+            if ((dataEnd - dataP < 1) || (*dataP & 0xc0)) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+        }
+
+        // Parse Element name (C.3.5)
+        const QName &elemName = parseQualifiedNameOrIndex3(vocabulary.elementNameTable);
+        nodeName = elemName.prefix.empty() ? elemName.name : elemName.prefix + ':' + elemName.name;
+
+        if (hasAttributes) {
+            for (;;) {
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                b = *dataP;
+                if (b < 0x80) { // C.3.6.1
+                    // C.4
+                    Attribute attr;
+                    attr.qname = parseQualifiedNameOrIndex2(vocabulary.attributeNameTable);
+                    attr.name = attr.qname.prefix.empty() ? attr.qname.name : attr.qname.prefix + ':' + attr.qname.name;
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    attr.value = parseNonIdentifyingStringOrIndex1(vocabulary.attributeValueTable);
+                    attributes.push_back(attr);
+                }
+                else {
+                    if ((b & 0xf0) != 0xf0) { // C.3.6.2
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    emptyElement = b == 0xff; // C.3.6.2, C.3.8
+                    ++dataP;
+                    break;
+                }
+            }
+        }
+        else {
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            b = *dataP;
+            switch (b) {
+            case 0xff:
+                terminatorPending = true;
+                // Intentionally fall through
+            case 0xf0:
+                emptyElement = true;
+                ++dataP;
+                break;
+            default:
+                emptyElement = false;
+            }
+        }
+        if (!emptyElement) {
+            elementStack.push(nodeName);
+        }
+
+        currentNodeType = irr::io::EXN_ELEMENT;
+    }
+
+    void parseHeader() {
+        // Parse header (C.1.3)
+        size_t magicSize = parseMagic(dataP, dataEnd);
+        if (!magicSize) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        dataP += magicSize;
+        // C.2.3
+        if (dataEnd - dataP < 1) {
+            throw DeadlyImportError(parseErrorMessage);
+        }
+        uint8_t b = *dataP++;
+        if (b & 0x40) {
+            // Parse additional data (C.2.4)
+            size_t len = parseSequenceLen();
+            for (size_t i = 0; i < len; ++i) {
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                /*std::string id =*/ parseNonEmptyOctetString2();
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                /*std::string data =*/ parseNonEmptyOctetString2();
+            }
+        }
+        if (b & 0x20) {
+            // Parse initial vocabulary (C.2.5)
+            if (dataEnd - dataP < 2) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            uint16_t b1 = (dataP[0] << 8) | dataP[1];
+            dataP += 2;
+            if (b1 & 0x1000) {
+                // External vocabulary (C.2.5.2)
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                std::string uri = parseNonEmptyOctetString2();
+                auto it = vocabularyMap.find(uri);
+                if (it == vocabularyMap.end()) {
+                    throw DeadlyImportError("Unknown vocabulary " + uri);
+                }
+                const FIVocabulary *externalVocabulary = it->second;
+                if (externalVocabulary->restrictedAlphabetTable) {
+                    std::copy(externalVocabulary->restrictedAlphabetTable, externalVocabulary->restrictedAlphabetTable + externalVocabulary->restrictedAlphabetTableSize, std::back_inserter(vocabulary.restrictedAlphabetTable));
+                }
+                if (externalVocabulary->encodingAlgorithmTable) {
+                    std::copy(externalVocabulary->encodingAlgorithmTable, externalVocabulary->encodingAlgorithmTable + externalVocabulary->encodingAlgorithmTableSize, std::back_inserter(vocabulary.encodingAlgorithmTable));
+                }
+                if (externalVocabulary->prefixTable) {
+                    std::copy(externalVocabulary->prefixTable, externalVocabulary->prefixTable + externalVocabulary->prefixTableSize, std::back_inserter(vocabulary.prefixTable));
+                }
+                if (externalVocabulary->namespaceNameTable) {
+                    std::copy(externalVocabulary->namespaceNameTable, externalVocabulary->namespaceNameTable + externalVocabulary->namespaceNameTableSize, std::back_inserter(vocabulary.namespaceNameTable));
+                }
+                if (externalVocabulary->localNameTable) {
+                    std::copy(externalVocabulary->localNameTable, externalVocabulary->localNameTable + externalVocabulary->localNameTableSize, std::back_inserter(vocabulary.localNameTable));
+                }
+                if (externalVocabulary->otherNCNameTable) {
+                    std::copy(externalVocabulary->otherNCNameTable, externalVocabulary->otherNCNameTable + externalVocabulary->otherNCNameTableSize, std::back_inserter(vocabulary.otherNCNameTable));
+                }
+                if (externalVocabulary->otherURITable) {
+                    std::copy(externalVocabulary->otherURITable, externalVocabulary->otherURITable + externalVocabulary->otherURITableSize, std::back_inserter(vocabulary.otherURITable));
+                }
+                if (externalVocabulary->attributeValueTable) {
+                    std::copy(externalVocabulary->attributeValueTable, externalVocabulary->attributeValueTable + externalVocabulary->attributeValueTableSize, std::back_inserter(vocabulary.attributeValueTable));
+                }
+                if (externalVocabulary->charactersTable) {
+                    std::copy(externalVocabulary->charactersTable, externalVocabulary->charactersTable + externalVocabulary->charactersTableSize, std::back_inserter(vocabulary.charactersTable));
+                }
+                if (externalVocabulary->otherStringTable) {
+                    std::copy(externalVocabulary->otherStringTable, externalVocabulary->otherStringTable + externalVocabulary->otherStringTableSize, std::back_inserter(vocabulary.otherStringTable));
+                }
+                if (externalVocabulary->elementNameTable) {
+                    std::copy(externalVocabulary->elementNameTable, externalVocabulary->elementNameTable + externalVocabulary->elementNameTableSize, std::back_inserter(vocabulary.elementNameTable));
+                }
+                if (externalVocabulary->attributeNameTable) {
+                    std::copy(externalVocabulary->attributeNameTable, externalVocabulary->attributeNameTable + externalVocabulary->attributeNameTableSize, std::back_inserter(vocabulary.attributeNameTable));
+                }
+            }
+            if (b1 & 0x0800) {
+                // Parse restricted alphabets (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.restrictedAlphabetTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0400) {
+                // Parse encoding algorithms (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.encodingAlgorithmTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0200) {
+                // Parse prefixes (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.prefixTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0100) {
+                // Parse namespace names (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.namespaceNameTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0080) {
+                // Parse local names (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.localNameTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0040) {
+                // Parse other ncnames (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.otherNCNameTable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0020) {
+                // Parse other uris (C.2.5.3)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.otherURITable.push_back(parseNonEmptyOctetString2());
+                }
+            }
+            if (b1 & 0x0010) {
+                // Parse attribute values (C.2.5.4)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.attributeValueTable.push_back(parseEncodedCharacterString3());
+                }
+            }
+            if (b1 & 0x0008) {
+                // Parse content character chunks (C.2.5.4)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.charactersTable.push_back(parseEncodedCharacterString3());
+                }
+            }
+            if (b1 & 0x0004) {
+                // Parse other strings (C.2.5.4)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    if (dataEnd - dataP < 1) {
+                        throw DeadlyImportError(parseErrorMessage);
+                    }
+                    vocabulary.otherStringTable.push_back(parseEncodedCharacterString3());
+                }
+            }
+            if (b1 & 0x0002) {
+                // Parse element name surrogates (C.2.5.5)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    vocabulary.elementNameTable.push_back(parseNameSurrogate());
+                }
+            }
+            if (b1 & 0x0001) {
+                // Parse attribute name surrogates (C.2.5.5)
+                for (size_t len = parseSequenceLen(); len > 0; --len) {
+                    vocabulary.attributeNameTable.push_back(parseNameSurrogate());
+                }
+            }
+        }
+        if (b & 0x10) {
+            // Parse notations (C.2.6)
+            for (;;) {
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                uint8_t b1 = *dataP++;
+                if (b1 == 0xf0) {
+                    break;
+                }
+                if ((b1 & 0xfc) != 0xc0) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                /* C.11 */
+                /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable);
+                if (b1 & 0x02) {
+                    /*const std::string &systemId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                if (b1 & 0x01) {
+                    /*const std::string &publicId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+            }
+        }
+        if (b & 0x08) {
+            // Parse unparsed entities (C.2.7)
+            for (;;) {
+                if (dataEnd - dataP < 1) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                uint8_t b1 = *dataP++;
+                if (b1 == 0xf0) {
+                    break;
+                }
+                if ((b1 & 0xfe) != 0xd0) {
+                    throw DeadlyImportError(parseErrorMessage);
+                }
+                /* C.10 */
+                /*const std::string &name =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable);
+                /*const std::string &systemId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                if (b1 & 0x01) {
+                    /*const std::string &publicId =*/ parseIdentifyingStringOrIndex(vocabulary.otherURITable);
+                }
+                /*const std::string &notationName =*/ parseIdentifyingStringOrIndex(vocabulary.otherNCNameTable);
+            }
+        }
+        if (b & 0x04) {
+            // Parse character encoding scheme (C.2.8)
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            /*std::string characterEncodingScheme =*/ parseNonEmptyOctetString2();
+        }
+        if (b & 0x02) {
+            // Parse standalone flag (C.2.9)
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            uint8_t b1 = *dataP++;
+            if (b1 & 0xfe) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            //bool standalone = b1 & 0x01;
+        }
+        if (b & 0x01) {
+            // Parse version (C.2.10)
+            if (dataEnd - dataP < 1) {
+                throw DeadlyImportError(parseErrorMessage);
+            }
+            /*std::shared_ptr<const FIValue> version =*/ parseNonIdentifyingStringOrIndex1(vocabulary.otherStringTable);
+        }
+    }
+
+    std::unique_ptr<uint8_t[]> data;
+    uint8_t *dataP, *dataEnd;
+    irr::io::EXML_NODE currentNodeType;
+    bool emptyElement;
+    bool headerPending;
+    bool terminatorPending;
+    Vocabulary vocabulary;
+    std::vector<Attribute> attributes;
+    std::stack<std::string> elementStack;
+    std::string nodeName;
+    std::map<std::string, std::unique_ptr<FIDecoder>> decoderMap;
+    std::map<std::string, const FIVocabulary*> vocabularyMap;
+
+    static const std::string EmptyString;
+    static std::shared_ptr<const FIValue> EmptyFIString;
+
+    static FIHexDecoder hexDecoder;
+    static FIBase64Decoder base64Decoder;
+    static FIShortDecoder shortDecoder;
+    static FIIntDecoder intDecoder;
+    static FILongDecoder longDecoder;
+    static FIBoolDecoder boolDecoder;
+    static FIFloatDecoder floatDecoder;
+    static FIDoubleDecoder doubleDecoder;
+    static FIUUIDDecoder uuidDecoder;
+    static FICDATADecoder cdataDecoder;
+    static FIDecoder *defaultDecoder[32];
+};
+
+const std::string CFIReaderImpl::EmptyString;
+std::shared_ptr<const FIValue> CFIReaderImpl::EmptyFIString = FIStringValue::create(std::string());
+
+FIHexDecoder CFIReaderImpl::hexDecoder;
+FIBase64Decoder CFIReaderImpl::base64Decoder;
+FIShortDecoder CFIReaderImpl::shortDecoder;
+FIIntDecoder CFIReaderImpl::intDecoder;
+FILongDecoder CFIReaderImpl::longDecoder;
+FIBoolDecoder CFIReaderImpl::boolDecoder;
+FIFloatDecoder CFIReaderImpl::floatDecoder;
+FIDoubleDecoder CFIReaderImpl::doubleDecoder;
+FIUUIDDecoder CFIReaderImpl::uuidDecoder;
+FICDATADecoder CFIReaderImpl::cdataDecoder;
+
+FIDecoder *CFIReaderImpl::defaultDecoder[32] = {
+    &hexDecoder,
+    &base64Decoder,
+    &shortDecoder,
+    &intDecoder,
+    &longDecoder,
+    &boolDecoder,
+    &floatDecoder,
+    &doubleDecoder,
+    &uuidDecoder,
+    &cdataDecoder
+};
+
+class CXMLReaderImpl : public FIReader
+{
+public:
+
+    //! Constructor
+    CXMLReaderImpl(std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>> reader_)
+    : reader(std::move(reader_))
+    {}
+
+    virtual ~CXMLReaderImpl() {}
+
+    virtual bool read() /*override*/ {
+        return reader->read();
+    }
+
+    virtual irr::io::EXML_NODE getNodeType() const /*override*/ {
+        return reader->getNodeType();
+    }
+
+    virtual int getAttributeCount() const /*override*/ {
+        return reader->getAttributeCount();
+    }
+
+    virtual const char* getAttributeName(int idx) const /*override*/ {
+        return reader->getAttributeName(idx);
+    }
+
+    virtual const char* getAttributeValue(int idx) const /*override*/ {
+        return reader->getAttributeValue(idx);
+    }
+
+    virtual const char* getAttributeValue(const char* name) const /*override*/ {
+        return reader->getAttributeValue(name);
+    }
+
+    virtual const char* getAttributeValueSafe(const char* name) const /*override*/ {
+        return reader->getAttributeValueSafe(name);
+    }
+
+    virtual int getAttributeValueAsInt(const char* name) const /*override*/ {
+        return reader->getAttributeValueAsInt(name);
+    }
+
+    virtual int getAttributeValueAsInt(int idx) const /*override*/ {
+        return reader->getAttributeValueAsInt(idx);
+    }
+
+    virtual float getAttributeValueAsFloat(const char* name) const /*override*/ {
+        return reader->getAttributeValueAsFloat(name);
+    }
+
+    virtual float getAttributeValueAsFloat(int idx) const /*override*/ {
+        return reader->getAttributeValueAsFloat(idx);
+    }
+
+    virtual const char* getNodeName() const /*override*/ {
+        return reader->getNodeName();
+    }
+
+    virtual const char* getNodeData() const /*override*/ {
+        return reader->getNodeData();
+    }
+
+    virtual bool isEmptyElement() const /*override*/ {
+        return reader->isEmptyElement();
+    }
+
+    virtual irr::io::ETEXT_FORMAT getSourceFormat() const /*override*/ {
+        return reader->getSourceFormat();
+    }
+
+    virtual irr::io::ETEXT_FORMAT getParserFormat() const /*override*/ {
+        return reader->getParserFormat();
+    }
+
+    virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(int /*idx*/) const /*override*/ {
+        return nullptr;
+    }
+
+    virtual std::shared_ptr<const FIValue> getAttributeEncodedValue(const char* /*name*/) const /*override*/ {
+        return nullptr;
+    }
+
+    virtual void registerDecoder(const std::string & /*algorithmUri*/, std::unique_ptr<FIDecoder> /*decoder*/) /*override*/ {}
+
+
+    virtual void registerVocabulary(const std::string &/*vocabularyUri*/, const FIVocabulary * /*vocabulary*/) /*override*/ {}
+
+private:
+
+    std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>> reader;
+};
+
+static std::unique_ptr<uint8_t[]> readFile(IOStream *stream, size_t &size, bool &isFI) {
+    size = stream->FileSize();
+    std::unique_ptr<uint8_t[]> data = std::unique_ptr<uint8_t[]>(new uint8_t[size]);
+    if (stream->Read(data.get(), size, 1) != 1) {
+        size = 0;
+        data.reset();
+    }
+    isFI = parseMagic(data.get(), data.get() + size) > 0;
+    return data;
+}
+
+std::unique_ptr<FIReader> FIReader::create(IOStream *stream)
+{
+    size_t size;
+    bool isFI;
+    auto data = readFile(stream, size, isFI);
+    if (isFI) {
+        return std::unique_ptr<FIReader>(new CFIReaderImpl(std::move(data), size));
+    }
+    else {
+        auto memios = std::unique_ptr<MemoryIOStream>(new MemoryIOStream(data.release(), size, true));
+        auto callback = std::unique_ptr<CIrrXML_IOStreamReader>(new CIrrXML_IOStreamReader(memios.get()));
+        return std::unique_ptr<FIReader>(new CXMLReaderImpl(std::unique_ptr<irr::io::IIrrXMLReader<char, irr::io::IXMLBase>>(createIrrXMLReader(callback.get()))));
+    }
+}
+
+}// namespace Assimp
+
+#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER
diff --git a/thirdparty/assimp/code/FileLogStream.h b/thirdparty/assimp/code/FileLogStream.h
new file mode 100644
index 0000000000..740c503192
--- /dev/null
+++ b/thirdparty/assimp/code/FileLogStream.h
@@ -0,0 +1,107 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+/** @file FileLofStream.h
+*/
+#ifndef ASSIMP_FILELOGSTREAM_H_INC
+#define ASSIMP_FILELOGSTREAM_H_INC
+
+#include <assimp/LogStream.hpp>
+#include <assimp/IOStream.hpp>
+#include <assimp/DefaultIOSystem.h>
+
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+/** @class  FileLogStream
+ *  @brief  Logstream to write into a file.
+ */
+class FileLogStream :
+    public LogStream
+{
+public:
+    FileLogStream( const char* file, IOSystem* io = NULL );
+    ~FileLogStream();
+    void write( const char* message );
+
+private:
+    IOStream *m_pStream;
+};
+
+// ----------------------------------------------------------------------------------
+//  Constructor
+inline FileLogStream::FileLogStream( const char* file, IOSystem* io ) :
+    m_pStream(NULL)
+{
+    if ( !file || 0 == *file )
+        return;
+
+    // If no IOSystem is specified: take a default one
+    if (!io)
+    {
+        DefaultIOSystem FileSystem;
+        m_pStream = FileSystem.Open( file, "wt");
+    }
+    else m_pStream = io->Open( file, "wt" );
+}
+
+// ----------------------------------------------------------------------------------
+//  Destructor
+inline FileLogStream::~FileLogStream()
+{
+    // The virtual d'tor should destroy the underlying file
+    delete m_pStream;
+}
+
+// ----------------------------------------------------------------------------------
+//  Write method
+inline void FileLogStream::write( const char* message )
+{
+    if (m_pStream != NULL)
+    {
+        m_pStream->Write(message, sizeof(char), ::strlen(message));
+        m_pStream->Flush();
+    }
+}
+
+// ----------------------------------------------------------------------------------
+} // !Namespace Assimp
+
+#endif // !! ASSIMP_FILELOGSTREAM_H_INC
diff --git a/thirdparty/assimp/code/FileSystemFilter.h b/thirdparty/assimp/code/FileSystemFilter.h
new file mode 100644
index 0000000000..9923cdbdd3
--- /dev/null
+++ b/thirdparty/assimp/code/FileSystemFilter.h
@@ -0,0 +1,345 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FileSystemFilter.h
+ *  Implements a filter system to filter calls to Exists() and Open()
+ *  in order to improve the success rate of file opening ...
+ */
+#pragma once
+#ifndef AI_FILESYSTEMFILTER_H_INC
+#define AI_FILESYSTEMFILTER_H_INC
+
+#include <assimp/IOSystem.hpp>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/fast_atof.h>
+#include <assimp/ParsingUtils.h>
+
+namespace Assimp    {
+
+inline bool IsHex(char s) {
+    return (s>='0' && s<='9') || (s>='a' && s<='f') || (s>='A' && s<='F');
+}
+
+// ---------------------------------------------------------------------------
+/** File system filter
+ */
+class FileSystemFilter : public IOSystem
+{
+public:
+    /** Constructor. */
+    FileSystemFilter(const std::string& file, IOSystem* old)
+    : mWrapped  (old)
+    , mSrc_file(file)
+    , mSep(mWrapped->getOsSeparator()) {
+        ai_assert(nullptr != mWrapped);
+
+        // Determine base directory
+        mBase = mSrc_file;
+        std::string::size_type ss2;
+        if (std::string::npos != (ss2 = mBase.find_last_of("\\/")))  {
+            mBase.erase(ss2,mBase.length()-ss2);
+        } else {
+            mBase = "";
+        }
+
+        // make sure the directory is terminated properly
+        char s;
+
+        if ( mBase.empty() ) {
+            mBase = ".";
+            mBase += getOsSeparator();
+        } else if ((s = *(mBase.end()-1)) != '\\' && s != '/') {
+            mBase += getOsSeparator();
+        }
+
+        DefaultLogger::get()->info("Import root directory is \'" + mBase + "\'");
+    }
+
+    /** Destructor. */
+    ~FileSystemFilter() {
+        // empty
+    }
+
+    // -------------------------------------------------------------------
+    /** Tests for the existence of a file at the given path. */
+    bool Exists( const char* pFile) const {
+        ai_assert( nullptr != mWrapped );
+        
+        std::string tmp = pFile;
+
+        // Currently this IOSystem is also used to open THE ONE FILE.
+        if (tmp != mSrc_file)    {
+            BuildPath(tmp);
+            Cleanup(tmp);
+        }
+
+        return mWrapped->Exists(tmp);
+    }
+
+    // -------------------------------------------------------------------
+    /** Returns the directory separator. */
+    char getOsSeparator() const {
+        return mSep;
+    }
+
+    // -------------------------------------------------------------------
+    /** Open a new file with a given path. */
+    IOStream* Open( const char* pFile, const char* pMode = "rb") {
+        ai_assert( nullptr != mWrapped );
+        if ( nullptr == pFile || nullptr == pMode ) {
+            return nullptr;
+        }
+        
+        ai_assert( nullptr != pFile );
+        ai_assert( nullptr != pMode );
+
+        // First try the unchanged path
+        IOStream* s = mWrapped->Open(pFile,pMode);
+
+        if (nullptr == s) {
+            std::string tmp = pFile;
+
+            // Try to convert between absolute and relative paths
+            BuildPath(tmp);
+            s = mWrapped->Open(tmp,pMode);
+
+            if (nullptr == s) {
+                // Finally, look for typical issues with paths
+                // and try to correct them. This is our last
+                // resort.
+                tmp = pFile;
+                Cleanup(tmp);
+                BuildPath(tmp);
+                s = mWrapped->Open(tmp,pMode);
+            }
+        }
+
+        return s;
+    }
+
+    // -------------------------------------------------------------------
+    /** Closes the given file and releases all resources associated with it. */
+    void Close( IOStream* pFile) {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->Close(pFile);
+    }
+
+    // -------------------------------------------------------------------
+    /** Compare two paths */
+    bool ComparePaths (const char* one, const char* second) const {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->ComparePaths (one,second);
+    }
+
+    // -------------------------------------------------------------------
+    /** Pushes a new directory onto the directory stack. */
+    bool PushDirectory(const std::string &path ) {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->PushDirectory(path);
+    }
+
+    // -------------------------------------------------------------------
+    /** Returns the top directory from the stack. */
+    const std::string &CurrentDirectory() const {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->CurrentDirectory();
+    }
+
+    // -------------------------------------------------------------------
+    /** Returns the number of directories stored on the stack. */
+    size_t StackSize() const {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->StackSize();
+    }
+
+    // -------------------------------------------------------------------
+    /** Pops the top directory from the stack. */
+    bool PopDirectory() {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->PopDirectory();
+    }
+
+    // -------------------------------------------------------------------
+    /** Creates an new directory at the given path. */
+    bool CreateDirectory(const std::string &path) {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->CreateDirectory(path);
+    }
+
+    // -------------------------------------------------------------------
+    /** Will change the current directory to the given path. */
+    bool ChangeDirectory(const std::string &path) {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->ChangeDirectory(path);
+    }
+
+    // -------------------------------------------------------------------
+    /** Delete file. */
+    bool DeleteFile(const std::string &file) {
+        ai_assert( nullptr != mWrapped );
+        return mWrapped->DeleteFile(file);
+    }
+
+private:
+    // -------------------------------------------------------------------
+    /** Build a valid path from a given relative or absolute path.
+     */
+    void BuildPath (std::string& in) const {
+        ai_assert( nullptr != mWrapped );
+        // if we can already access the file, great.
+        if (in.length() < 3 || mWrapped->Exists(in)) {
+            return;
+        }
+
+        // Determine whether this is a relative path (Windows-specific - most assets are packaged on Windows).
+        if (in[1] != ':') {
+
+            // append base path and try
+            const std::string tmp = mBase + in;
+            if (mWrapped->Exists(tmp)) {
+                in = tmp;
+                return;
+            }
+        }
+
+        // Chop of the file name and look in the model directory, if
+        // this fails try all sub paths of the given path, i.e.
+        // if the given path is foo/bar/something.lwo, try
+        // <base>/something.lwo
+        // <base>/bar/something.lwo
+        // <base>/foo/bar/something.lwo
+        std::string::size_type pos = in.rfind('/');
+        if (std::string::npos == pos) {
+            pos = in.rfind('\\');
+        }
+
+        if (std::string::npos != pos)   {
+            std::string tmp;
+            std::string::size_type last_dirsep = std::string::npos;
+
+            while(true) {
+                tmp = mBase;
+                tmp += mSep;
+
+                std::string::size_type dirsep = in.rfind('/', last_dirsep);
+                if (std::string::npos == dirsep) {
+                    dirsep = in.rfind('\\', last_dirsep);
+                }
+
+                if (std::string::npos == dirsep || dirsep == 0) {
+                    // we did try this already.
+                    break;
+                }
+
+                last_dirsep = dirsep-1;
+
+                tmp += in.substr(dirsep+1, in.length()-pos);
+                if (mWrapped->Exists(tmp)) {
+                    in = tmp;
+                    return;
+                }
+            }
+        }
+
+        // hopefully the underlying file system has another few tricks to access this file ...
+    }
+
+    // -------------------------------------------------------------------
+    /** Cleanup the given path
+     */
+    void Cleanup (std::string& in) const {
+        if(in.empty()) {
+            return;
+        }
+
+        // Remove a very common issue when we're parsing file names: spaces at the
+        // beginning of the path.
+        char last = 0;
+        std::string::iterator it = in.begin();
+        while (IsSpaceOrNewLine( *it ))++it;
+        if (it != in.begin()) {
+            in.erase(in.begin(),it+1);
+        }
+
+        const char separator = getOsSeparator();
+        for (it = in.begin(); it != in.end(); ++it) {
+            // Exclude :// and \\, which remain untouched.
+            // https://sourceforge.net/tracker/?func=detail&aid=3031725&group_id=226462&atid=1067632
+            if ( !strncmp(&*it, "://", 3 )) {
+                it += 3;
+                continue;
+            }
+            if (it == in.begin() && !strncmp(&*it, "\\\\", 2)) {
+                it += 2;
+                continue;
+            }
+
+            // Cleanup path delimiters
+            if (*it == '/' || (*it) == '\\') {
+                *it = separator;
+
+                // And we're removing double delimiters, frequent issue with
+                // incorrectly composited paths ...
+                if (last == *it) {
+                    it = in.erase(it);
+                    --it;
+                }
+            } else if (*it == '%' && in.end() - it > 2) {
+                // Hex sequence in URIs
+                if( IsHex((&*it)[0]) && IsHex((&*it)[1]) ) {
+                    *it = HexOctetToDecimal(&*it);
+                    it = in.erase(it+1,it+2);
+                    --it;
+                }
+            }
+
+            last = *it;
+        }
+    }
+
+private:
+    IOSystem *mWrapped;
+    std::string mSrc_file, mBase;
+    char mSep;
+};
+
+} //!ns Assimp
+
+#endif //AI_DEFAULTIOSYSTEM_H_INC
diff --git a/thirdparty/assimp/code/FindDegenerates.cpp b/thirdparty/assimp/code/FindDegenerates.cpp
new file mode 100644
index 0000000000..365f5d7447
--- /dev/null
+++ b/thirdparty/assimp/code/FindDegenerates.cpp
@@ -0,0 +1,300 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  FindDegenerates.cpp
+ *  @brief Implementation of the FindDegenerates post-process step.
+*/
+
+
+
+// internal headers
+#include "ProcessHelper.h"
+#include "FindDegenerates.h"
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+//remove mesh at position 'index' from the scene
+static void removeMesh(aiScene* pScene, unsigned const index);
+//correct node indices to meshes and remove references to deleted mesh
+static void updateSceneGraph(aiNode* pNode, unsigned const index);
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FindDegeneratesProcess::FindDegeneratesProcess()
+: mConfigRemoveDegenerates( false )
+, mConfigCheckAreaOfTriangle( false ){
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FindDegeneratesProcess::~FindDegeneratesProcess() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FindDegeneratesProcess::IsActive( unsigned int pFlags) const {
+    return 0 != (pFlags & aiProcess_FindDegenerates);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup import configuration
+void FindDegeneratesProcess::SetupProperties(const Importer* pImp) {
+    // Get the current value of AI_CONFIG_PP_FD_REMOVE
+    mConfigRemoveDegenerates = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_FD_REMOVE,0));
+    mConfigCheckAreaOfTriangle = ( 0 != pImp->GetPropertyInteger(AI_CONFIG_PP_FD_CHECKAREA) );
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FindDegeneratesProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("FindDegeneratesProcess begin");
+    for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
+    {
+        //Do not process point cloud, ExecuteOnMesh works only with faces data
+        if ((pScene->mMeshes[i]->mPrimitiveTypes != aiPrimitiveType::aiPrimitiveType_POINT) && ExecuteOnMesh(pScene->mMeshes[i])) {
+            removeMesh(pScene, i);
+            --i; //the current i is removed, do not skip the next one
+        }
+    }
+    ASSIMP_LOG_DEBUG("FindDegeneratesProcess finished");
+}
+
+static void removeMesh(aiScene* pScene, unsigned const index) {
+    //we start at index and copy the pointers one position forward
+    //save the mesh pointer to delete it later
+    auto delete_me = pScene->mMeshes[index];
+    for (unsigned i = index; i < pScene->mNumMeshes - 1; ++i) {
+        pScene->mMeshes[i] = pScene->mMeshes[i+1];
+    }
+    pScene->mMeshes[pScene->mNumMeshes - 1] = nullptr;
+    --(pScene->mNumMeshes);
+    delete delete_me;
+
+    //removing a mesh also requires updating all references to it in the scene graph
+    updateSceneGraph(pScene->mRootNode, index);
+}
+
+static void updateSceneGraph(aiNode* pNode, unsigned const index) {
+    for (unsigned i = 0; i < pNode->mNumMeshes; ++i) {
+        if (pNode->mMeshes[i] > index) {
+            --(pNode->mMeshes[i]);
+            continue;
+        }
+        if (pNode->mMeshes[i] == index) {
+            for (unsigned j = i; j < pNode->mNumMeshes -1; ++j) {
+                pNode->mMeshes[j] = pNode->mMeshes[j+1];
+            }
+            --(pNode->mNumMeshes);
+            --i;
+            continue;
+        }
+    }
+    //recurse to all children
+    for (unsigned i = 0; i < pNode->mNumChildren; ++i) {
+        updateSceneGraph(pNode->mChildren[i], index);
+    }
+}
+
+static ai_real heron( ai_real a, ai_real b, ai_real c ) {
+    ai_real s = (a + b + c) / 2;
+    ai_real area = pow((s * ( s - a ) * ( s - b ) * ( s - c ) ), (ai_real)0.5 );
+    return area;
+}
+
+static ai_real distance3D( const aiVector3D &vA, aiVector3D &vB ) {
+    const ai_real lx = ( vB.x - vA.x );
+    const ai_real ly = ( vB.y - vA.y );
+    const ai_real lz = ( vB.z - vA.z );
+    ai_real a = lx*lx + ly*ly + lz*lz;
+    ai_real d = pow( a, (ai_real)0.5 );
+
+    return d;
+}
+
+static ai_real calculateAreaOfTriangle( const aiFace& face, aiMesh* mesh ) {
+    ai_real area = 0;
+
+    aiVector3D vA( mesh->mVertices[ face.mIndices[ 0 ] ] );
+    aiVector3D vB( mesh->mVertices[ face.mIndices[ 1 ] ] );
+    aiVector3D vC( mesh->mVertices[ face.mIndices[ 2 ] ] );
+
+    ai_real a( distance3D( vA, vB ) );
+    ai_real b( distance3D( vB, vC ) );
+    ai_real c( distance3D( vC, vA ) );
+    area = heron( a, b, c );
+
+    return area;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported mesh
+bool FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
+    mesh->mPrimitiveTypes = 0;
+
+    std::vector<bool> remove_me;
+    if (mConfigRemoveDegenerates) {
+        remove_me.resize( mesh->mNumFaces, false );
+    }
+
+    unsigned int deg = 0, limit;
+    for ( unsigned int a = 0; a < mesh->mNumFaces; ++a ) {
+        aiFace& face = mesh->mFaces[a];
+        bool first = true;
+
+        // check whether the face contains degenerated entries
+        for (unsigned int i = 0; i < face.mNumIndices; ++i) {
+            // Polygons with more than 4 points are allowed to have double points, that is
+            // simulating polygons with holes just with concave polygons. However,
+            // double points may not come directly after another.
+            limit = face.mNumIndices;
+            if (face.mNumIndices > 4) {
+                limit = std::min( limit, i+2 );
+            }
+
+            for (unsigned int t = i+1; t < limit; ++t) {
+                if (mesh->mVertices[face.mIndices[ i ] ] == mesh->mVertices[ face.mIndices[ t ] ]) {
+                    // we have found a matching vertex position
+                    // remove the corresponding index from the array
+                    --face.mNumIndices;
+                    --limit;
+                    for (unsigned int m = t; m < face.mNumIndices; ++m) {
+                        face.mIndices[ m ] = face.mIndices[ m+1 ];
+                    }
+                    --t;
+
+                    // NOTE: we set the removed vertex index to an unique value
+                    // to make sure the developer gets notified when his
+                    // application attempts to access this data.
+                    face.mIndices[ face.mNumIndices ] = 0xdeadbeef;
+
+                    if(first) {
+                        ++deg;
+                        first = false;
+                    }
+
+                    if ( mConfigRemoveDegenerates ) {
+                        remove_me[ a ] = true;
+                        goto evil_jump_outside; // hrhrhrh ... yeah, this rocks baby!
+                    }
+                }
+            }
+
+            if ( mConfigCheckAreaOfTriangle ) {
+                if ( face.mNumIndices == 3 ) {
+                    ai_real area = calculateAreaOfTriangle( face, mesh );
+                    if ( area < 1e-6 ) {
+                        if ( mConfigRemoveDegenerates ) {
+                            remove_me[ a ] = true;
+                            goto evil_jump_outside;
+                        }
+
+                        // todo: check for index which is corrupt.
+                    }
+                }
+            }
+        }
+
+        // We need to update the primitive flags array of the mesh.
+        switch (face.mNumIndices)
+        {
+        case 1u:
+            mesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+            break;
+        case 2u:
+            mesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+            break;
+        case 3u:
+            mesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+            break;
+        default:
+            mesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+            break;
+        };
+evil_jump_outside:
+        continue;
+    }
+
+    // If AI_CONFIG_PP_FD_REMOVE is true, remove degenerated faces from the import
+    if (mConfigRemoveDegenerates && deg) {
+        unsigned int n = 0;
+        for (unsigned int a = 0; a < mesh->mNumFaces; ++a)
+        {
+            aiFace& face_src = mesh->mFaces[a];
+            if (!remove_me[a]) {
+                aiFace& face_dest = mesh->mFaces[n++];
+
+                // Do a manual copy, keep the index array
+                face_dest.mNumIndices = face_src.mNumIndices;
+                face_dest.mIndices    = face_src.mIndices;
+
+                if (&face_src != &face_dest) {
+                    // clear source
+                    face_src.mNumIndices = 0;
+                    face_src.mIndices = nullptr;
+                }
+            }
+            else {
+                // Otherwise delete it if we don't need this face
+                delete[] face_src.mIndices;
+                face_src.mIndices = nullptr;
+                face_src.mNumIndices = 0;
+            }
+        }
+        // Just leave the rest of the array unreferenced, we don't care for now
+        mesh->mNumFaces = n;
+        if (!mesh->mNumFaces) {
+            //The whole mesh consists of degenerated faces
+            //signal upward, that this mesh should be deleted.
+            ASSIMP_LOG_DEBUG("FindDegeneratesProcess removed a mesh full of degenerated primitives");
+            return true;
+        }
+    }
+
+    if (deg && !DefaultLogger::isNullLogger()) {
+        ASSIMP_LOG_WARN_F( "Found ", deg, " degenerated primitives");
+    }
+    return false;
+}
diff --git a/thirdparty/assimp/code/FindDegenerates.h b/thirdparty/assimp/code/FindDegenerates.h
new file mode 100644
index 0000000000..880f5f16a2
--- /dev/null
+++ b/thirdparty/assimp/code/FindDegenerates.h
@@ -0,0 +1,129 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to search all meshes for
+  degenerated faces */
+#ifndef AI_FINDDEGENERATESPROCESS_H_INC
+#define AI_FINDDEGENERATESPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+class FindDegeneratesProcessTest;
+namespace Assimp    {
+
+
+// ---------------------------------------------------------------------------
+/** FindDegeneratesProcess: Searches a mesh for degenerated triangles.
+*/
+class ASSIMP_API FindDegeneratesProcess : public BaseProcess {
+public:
+    FindDegeneratesProcess();
+    ~FindDegeneratesProcess();
+
+    // -------------------------------------------------------------------
+    // Check whether step is active
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Execute step on a given scene
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    // Setup import settings
+    void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    // Execute step on a given mesh
+    ///@returns true if the current mesh should be deleted, false otherwise
+    bool ExecuteOnMesh( aiMesh* mesh);
+
+    // -------------------------------------------------------------------
+    /// @brief Enable the instant removal of degenerated primitives
+    /// @param enabled  true for enabled.
+    void EnableInstantRemoval(bool enabled);
+
+    // -------------------------------------------------------------------
+    /// @brief Check whether instant removal is currently enabled
+    /// @return The instant removal state.
+    bool IsInstantRemoval() const;
+
+    // -------------------------------------------------------------------
+    /// @brief Enable the area check for triangles.
+    /// @param enabled  true for enabled.
+    void EnableAreaCheck( bool enabled );
+
+    // -------------------------------------------------------------------
+    /// @brief Check whether the area check is enabled.
+    /// @return The area check state.
+    bool isAreaCheckEnabled() const;
+
+private:
+    //! Configuration option: remove degenerates faces immediately
+    bool mConfigRemoveDegenerates;
+    //! Configuration option: check for area
+    bool mConfigCheckAreaOfTriangle;
+};
+
+inline
+void FindDegeneratesProcess::EnableInstantRemoval(bool enabled) {
+    mConfigRemoveDegenerates = enabled;
+}
+
+inline
+bool FindDegeneratesProcess::IsInstantRemoval() const {
+    return mConfigRemoveDegenerates;
+}
+
+inline
+void FindDegeneratesProcess::EnableAreaCheck( bool enabled ) {
+    mConfigCheckAreaOfTriangle = enabled;
+}
+
+inline
+bool FindDegeneratesProcess::isAreaCheckEnabled() const {
+    return mConfigCheckAreaOfTriangle;
+}
+
+} // Namespace Assimp
+
+#endif // !! AI_FINDDEGENERATESPROCESS_H_INC
diff --git a/thirdparty/assimp/code/FindInstancesProcess.cpp b/thirdparty/assimp/code/FindInstancesProcess.cpp
new file mode 100644
index 0000000000..be1138116e
--- /dev/null
+++ b/thirdparty/assimp/code/FindInstancesProcess.cpp
@@ -0,0 +1,277 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  FindInstancesProcess.cpp
+ *  @brief Implementation of the aiProcess_FindInstances postprocessing step
+*/
+
+
+#include "FindInstancesProcess.h"
+#include <memory>
+#include <stdio.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FindInstancesProcess::FindInstancesProcess()
+:   configSpeedFlag (false)
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FindInstancesProcess::~FindInstancesProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FindInstancesProcess::IsActive( unsigned int pFlags) const
+{
+    // FindInstances makes absolutely no sense together with PreTransformVertices
+    // fixme: spawn error message somewhere else?
+    return 0 != (pFlags & aiProcess_FindInstances) && 0 == (pFlags & aiProcess_PreTransformVertices);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties for the step
+void FindInstancesProcess::SetupProperties(const Importer* pImp)
+{
+    // AI_CONFIG_FAVOUR_SPEED
+    configSpeedFlag = (0 != pImp->GetPropertyInteger(AI_CONFIG_FAVOUR_SPEED,0));
+}
+
+// ------------------------------------------------------------------------------------------------
+// Compare the bones of two meshes
+bool CompareBones(const aiMesh* orig, const aiMesh* inst)
+{
+    for (unsigned int i = 0; i < orig->mNumBones;++i) {
+        aiBone* aha = orig->mBones[i];
+        aiBone* oha = inst->mBones[i];
+
+        if (aha->mNumWeights   != oha->mNumWeights   ||
+            aha->mOffsetMatrix != oha->mOffsetMatrix) {
+            return false;
+        }
+
+        // compare weight per weight ---
+        for (unsigned int n = 0; n < aha->mNumWeights;++n) {
+            if  (aha->mWeights[n].mVertexId != oha->mWeights[n].mVertexId ||
+                (aha->mWeights[n].mWeight - oha->mWeights[n].mWeight) < 10e-3f) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Update mesh indices in the node graph
+void UpdateMeshIndices(aiNode* node, unsigned int* lookup)
+{
+    for (unsigned int n = 0; n < node->mNumMeshes;++n)
+        node->mMeshes[n] = lookup[node->mMeshes[n]];
+
+    for (unsigned int n = 0; n < node->mNumChildren;++n)
+        UpdateMeshIndices(node->mChildren[n],lookup);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FindInstancesProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("FindInstancesProcess begin");
+    if (pScene->mNumMeshes) {
+
+        // use a pseudo hash for all meshes in the scene to quickly find
+        // the ones which are possibly equal. This step is executed early
+        // in the pipeline, so we could, depending on the file format,
+        // have several thousand small meshes. That's too much for a brute
+        // everyone-against-everyone check involving up to 10 comparisons
+        // each.
+        std::unique_ptr<uint64_t[]> hashes (new uint64_t[pScene->mNumMeshes]);
+        std::unique_ptr<unsigned int[]> remapping (new unsigned int[pScene->mNumMeshes]);
+
+        unsigned int numMeshesOut = 0;
+        for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+
+            aiMesh* inst = pScene->mMeshes[i];
+            hashes[i] = GetMeshHash(inst);
+
+            for (int a = i-1; a >= 0; --a) {
+                if (hashes[i] == hashes[a])
+                {
+                    aiMesh* orig = pScene->mMeshes[a];
+                    if (!orig)
+                        continue;
+
+                    // check for hash collision .. we needn't check
+                    // the vertex format, it *must* match due to the
+                    // (brilliant) construction of the hash
+                    if (orig->mNumBones       != inst->mNumBones      ||
+                        orig->mNumFaces       != inst->mNumFaces      ||
+                        orig->mNumVertices    != inst->mNumVertices   ||
+                        orig->mMaterialIndex  != inst->mMaterialIndex ||
+                        orig->mPrimitiveTypes != inst->mPrimitiveTypes)
+                        continue;
+
+                    // up to now the meshes are equal. find an appropriate
+                    // epsilon to compare position differences against
+                    float epsilon = ComputePositionEpsilon(inst);
+                    epsilon *= epsilon;
+
+                    // now compare vertex positions, normals,
+                    // tangents and bitangents using this epsilon.
+                    if (orig->HasPositions()) {
+                        if(!CompareArrays(orig->mVertices,inst->mVertices,orig->mNumVertices,epsilon))
+                            continue;
+                    }
+                    if (orig->HasNormals()) {
+                        if(!CompareArrays(orig->mNormals,inst->mNormals,orig->mNumVertices,epsilon))
+                            continue;
+                    }
+                    if (orig->HasTangentsAndBitangents()) {
+                        if (!CompareArrays(orig->mTangents,inst->mTangents,orig->mNumVertices,epsilon) ||
+                            !CompareArrays(orig->mBitangents,inst->mBitangents,orig->mNumVertices,epsilon))
+                            continue;
+                    }
+
+                    // use a constant epsilon for colors and UV coordinates
+                    static const float uvEpsilon = 10e-4f;
+                    {
+                        unsigned int j, end = orig->GetNumUVChannels();
+                        for(j = 0; j < end; ++j) {
+                            if (!orig->mTextureCoords[j]) {
+                                continue;
+                            }
+                            if(!CompareArrays(orig->mTextureCoords[j],inst->mTextureCoords[j],orig->mNumVertices,uvEpsilon)) {
+                                break;
+                            }
+                        }
+                        if (j != end) {
+                            continue;
+                        }
+                    }
+                    {
+                        unsigned int j, end = orig->GetNumColorChannels();
+                        for(j = 0; j < end; ++j) {
+                            if (!orig->mColors[j]) {
+                                continue;
+                            }
+                            if(!CompareArrays(orig->mColors[j],inst->mColors[j],orig->mNumVertices,uvEpsilon)) {
+                                break;
+                            }
+                        }
+                        if (j != end) {
+                            continue;
+                        }
+                    }
+
+                    // These two checks are actually quite expensive and almost *never* required.
+                    // Almost. That's why they're still here. But there's no reason to do them
+                    // in speed-targeted imports.
+                    if (!configSpeedFlag) {
+
+                        // It seems to be strange, but we really need to check whether the
+                        // bones are identical too. Although it's extremely unprobable
+                        // that they're not if control reaches here, we need to deal
+                        // with unprobable cases, too. It could still be that there are
+                        // equal shapes which are deformed differently.
+                        if (!CompareBones(orig,inst))
+                            continue;
+
+                        // For completeness ... compare even the index buffers for equality
+                        // face order & winding order doesn't care. Input data is in verbose format.
+                        std::unique_ptr<unsigned int[]> ftbl_orig(new unsigned int[orig->mNumVertices]);
+                        std::unique_ptr<unsigned int[]> ftbl_inst(new unsigned int[orig->mNumVertices]);
+
+                        for (unsigned int tt = 0; tt < orig->mNumFaces;++tt) {
+                            aiFace& f = orig->mFaces[tt];
+                            for (unsigned int nn = 0; nn < f.mNumIndices;++nn)
+                                ftbl_orig[f.mIndices[nn]] = tt;
+
+                            aiFace& f2 = inst->mFaces[tt];
+                            for (unsigned int nn = 0; nn < f2.mNumIndices;++nn)
+                                ftbl_inst[f2.mIndices[nn]] = tt;
+                        }
+                        if (0 != ::memcmp(ftbl_inst.get(),ftbl_orig.get(),orig->mNumVertices*sizeof(unsigned int)))
+                            continue;
+                    }
+
+                    // We're still here. Or in other words: 'inst' is an instance of 'orig'.
+                    // Place a marker in our list that we can easily update mesh indices.
+                    remapping[i] = remapping[a];
+
+                    // Delete the instanced mesh, we don't need it anymore
+                    delete inst;
+                    pScene->mMeshes[i] = NULL;
+                    break;
+                }
+            }
+
+            // If we didn't find a match for the current mesh: keep it
+            if (pScene->mMeshes[i]) {
+                remapping[i] = numMeshesOut++;
+            }
+        }
+        ai_assert(0 != numMeshesOut);
+        if (numMeshesOut != pScene->mNumMeshes) {
+
+            // Collapse the meshes array by removing all NULL entries
+            for (unsigned int real = 0, i = 0; real < numMeshesOut; ++i) {
+                if (pScene->mMeshes[i])
+                    pScene->mMeshes[real++] = pScene->mMeshes[i];
+            }
+
+            // And update the node graph with our nice lookup table
+            UpdateMeshIndices(pScene->mRootNode,remapping.get());
+
+            // write to log
+            if (!DefaultLogger::isNullLogger()) {
+                ASSIMP_LOG_INFO_F( "FindInstancesProcess finished. Found ", (pScene->mNumMeshes - numMeshesOut), " instances" );
+            }
+            pScene->mNumMeshes = numMeshesOut;
+        } else {
+            ASSIMP_LOG_DEBUG("FindInstancesProcess finished. No instanced meshes found");
+        }
+    }
+}
diff --git a/thirdparty/assimp/code/FindInstancesProcess.h b/thirdparty/assimp/code/FindInstancesProcess.h
new file mode 100644
index 0000000000..ab4a371c71
--- /dev/null
+++ b/thirdparty/assimp/code/FindInstancesProcess.h
@@ -0,0 +1,137 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FindInstancesProcess.h
+ *  @brief Declares the aiProcess_FindInstances post-process step
+ */
+#ifndef AI_FINDINSTANCES_H_INC
+#define AI_FINDINSTANCES_H_INC
+
+#include "BaseProcess.h"
+#include "ProcessHelper.h"
+
+class FindInstancesProcessTest;
+namespace Assimp    {
+
+// -------------------------------------------------------------------------------
+/** @brief Get a pseudo(!)-hash representing a mesh.
+ *
+ *  The hash is built from number of vertices, faces, primitive types,
+ *  .... but *not* from the real mesh data. The funcction is not a perfect hash.
+ *  @param in Input mesh
+ *  @return Hash.
+ */
+inline
+uint64_t GetMeshHash(aiMesh* in) {
+    ai_assert(nullptr != in);
+
+    // ... get an unique value representing the vertex format of the mesh
+    const unsigned int fhash = GetMeshVFormatUnique(in);
+
+    // and bake it with number of vertices/faces/bones/matidx/ptypes
+    return ((uint64_t)fhash << 32u) | ((
+        (in->mNumBones << 16u) ^  (in->mNumVertices)       ^
+        (in->mNumFaces<<4u)    ^  (in->mMaterialIndex<<15) ^
+        (in->mPrimitiveTypes<<28)) & 0xffffffff );
+}
+
+// -------------------------------------------------------------------------------
+/** @brief Perform a component-wise comparison of two arrays
+ *
+ *  @param first First array
+ *  @param second Second array
+ *  @param size Size of both arrays
+ *  @param e Epsilon
+ *  @return true if the arrays are identical
+ */
+inline
+bool CompareArrays(const aiVector3D* first, const aiVector3D* second,
+        unsigned int size, float e) {
+    for (const aiVector3D* end = first+size; first != end; ++first,++second) {
+        if ( (*first - *second).SquareLength() >= e)
+            return false;
+    }
+    return true;
+}
+
+// and the same for colors ...
+inline bool CompareArrays(const aiColor4D* first, const aiColor4D* second,
+    unsigned int size, float e)
+{
+    for (const aiColor4D* end = first+size; first != end; ++first,++second) {
+        if ( GetColorDifference(*first,*second) >= e)
+            return false;
+    }
+    return true;
+}
+
+// ---------------------------------------------------------------------------
+/** @brief A post-processing steps to search for instanced meshes
+*/
+class FindInstancesProcess : public BaseProcess
+{
+public:
+
+    FindInstancesProcess();
+    ~FindInstancesProcess();
+
+public:
+    // -------------------------------------------------------------------
+    // Check whether step is active in given flags combination
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Execute step on a given scene
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    // Setup properties prior to executing the process
+    void SetupProperties(const Importer* pImp);
+
+private:
+
+    bool configSpeedFlag;
+
+}; // ! end class FindInstancesProcess
+}  // ! end namespace Assimp
+
+#endif // !! AI_FINDINSTANCES_H_INC
diff --git a/thirdparty/assimp/code/FindInvalidDataProcess.cpp b/thirdparty/assimp/code/FindInvalidDataProcess.cpp
new file mode 100644
index 0000000000..433f042448
--- /dev/null
+++ b/thirdparty/assimp/code/FindInvalidDataProcess.cpp
@@ -0,0 +1,424 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to search an importer's output
+    for data that is obviously invalid  */
+
+
+
+#ifndef ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS
+
+// internal headers
+#include "FindInvalidDataProcess.h"
+#include "ProcessHelper.h"
+
+#include <assimp/Macros.h>
+#include <assimp/Exceptional.h>
+#include <assimp/qnan.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FindInvalidDataProcess::FindInvalidDataProcess()
+: configEpsilon(0.0)
+, mIgnoreTexCoods( false ){
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FindInvalidDataProcess::~FindInvalidDataProcess() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FindInvalidDataProcess::IsActive( unsigned int pFlags) const {
+    return 0 != (pFlags & aiProcess_FindInvalidData);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup import configuration
+void FindInvalidDataProcess::SetupProperties(const Importer* pImp) {
+    // Get the current value of AI_CONFIG_PP_FID_ANIM_ACCURACY
+    configEpsilon = (0 != pImp->GetPropertyFloat(AI_CONFIG_PP_FID_ANIM_ACCURACY,0.f));
+    mIgnoreTexCoods = pImp->GetPropertyBool(AI_CONFIG_PP_FID_IGNORE_TEXTURECOORDS, false);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Update mesh references in the node graph
+void UpdateMeshReferences(aiNode* node, const std::vector<unsigned int>& meshMapping) {
+    if (node->mNumMeshes)   {
+        unsigned int out = 0;
+        for (unsigned int a = 0; a < node->mNumMeshes;++a)  {
+
+            unsigned int ref = node->mMeshes[a];
+            if (UINT_MAX != (ref = meshMapping[ref]))   {
+                node->mMeshes[out++] = ref;
+            }
+        }
+        // just let the members that are unused, that's much cheaper
+        // than a full array realloc'n'copy party ...
+        if(!(node->mNumMeshes = out))   {
+
+            delete[] node->mMeshes;
+            node->mMeshes = NULL;
+        }
+    }
+    // recursively update all children
+    for (unsigned int i = 0; i < node->mNumChildren;++i) {
+        UpdateMeshReferences(node->mChildren[i],meshMapping);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FindInvalidDataProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("FindInvalidDataProcess begin");
+
+    bool out = false;
+    std::vector<unsigned int> meshMapping(pScene->mNumMeshes);
+    unsigned int real = 0;
+
+    // Process meshes
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)   {
+
+        int result;
+        if ((result = ProcessMesh( pScene->mMeshes[a])))    {
+            out = true;
+
+            if (2 == result)    {
+                // remove this mesh
+                delete pScene->mMeshes[a];
+                AI_DEBUG_INVALIDATE_PTR(pScene->mMeshes[a]);
+
+                meshMapping[a] = UINT_MAX;
+                continue;
+            }
+        }
+        pScene->mMeshes[real] = pScene->mMeshes[a];
+        meshMapping[a] = real++;
+    }
+
+    // Process animations
+    for (unsigned int a = 0; a < pScene->mNumAnimations;++a) {
+        ProcessAnimation( pScene->mAnimations[a]);
+    }
+
+
+    if (out)    {
+        if ( real != pScene->mNumMeshes)    {
+            if (!real) {
+                throw DeadlyImportError("No meshes remaining");
+            }
+
+            // we need to remove some meshes.
+            // therefore we'll also need to remove all references
+            // to them from the scenegraph
+            UpdateMeshReferences(pScene->mRootNode,meshMapping);
+            pScene->mNumMeshes = real;
+        }
+
+        ASSIMP_LOG_INFO("FindInvalidDataProcess finished. Found issues ...");
+    } else {
+        ASSIMP_LOG_DEBUG("FindInvalidDataProcess finished. Everything seems to be OK.");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline
+const char* ValidateArrayContents(const T* /*arr*/, unsigned int /*size*/,
+        const std::vector<bool>& /*dirtyMask*/, bool /*mayBeIdentical = false*/, bool /*mayBeZero = true*/)
+{
+    return nullptr;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <>
+inline
+const char* ValidateArrayContents<aiVector3D>(const aiVector3D* arr, unsigned int size,
+        const std::vector<bool>& dirtyMask, bool mayBeIdentical , bool mayBeZero ) {
+    bool b = false;
+    unsigned int cnt = 0;
+    for (unsigned int i = 0; i < size;++i)  {
+
+        if (dirtyMask.size() && dirtyMask[i]) {
+            continue;
+        }
+        ++cnt;
+
+        const aiVector3D& v = arr[i];
+        if (is_special_float(v.x) || is_special_float(v.y) || is_special_float(v.z))    {
+            return "INF/NAN was found in a vector component";
+        }
+        if (!mayBeZero && !v.x && !v.y && !v.z )    {
+            return "Found zero-length vector";
+        }
+        if (i && v != arr[i-1])b = true;
+    }
+    if (cnt > 1 && !b && !mayBeIdentical) {
+        return "All vectors are identical";
+    }
+    return nullptr;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline 
+bool ProcessArray(T*& in, unsigned int num,const char* name,
+        const std::vector<bool>& dirtyMask, bool mayBeIdentical = false, bool mayBeZero = true) {
+    const char* err = ValidateArrayContents(in,num,dirtyMask,mayBeIdentical,mayBeZero);
+    if (err)    {
+        ASSIMP_LOG_ERROR_F( "FindInvalidDataProcess fails on mesh ", name, ": ", err);
+        delete[] in;
+        in = NULL;
+        return true;
+    }
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+AI_FORCE_INLINE bool EpsilonCompare(const T& n, const T& s, ai_real epsilon);
+
+// ------------------------------------------------------------------------------------------------
+AI_FORCE_INLINE bool EpsilonCompare(ai_real n, ai_real s, ai_real epsilon) {
+    return std::fabs(n-s)>epsilon;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <>
+bool EpsilonCompare<aiVectorKey>(const aiVectorKey& n, const aiVectorKey& s, ai_real epsilon) {
+    return
+        EpsilonCompare(n.mValue.x,s.mValue.x,epsilon) &&
+        EpsilonCompare(n.mValue.y,s.mValue.y,epsilon) &&
+        EpsilonCompare(n.mValue.z,s.mValue.z,epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+template <>
+bool EpsilonCompare<aiQuatKey>(const aiQuatKey& n, const aiQuatKey& s, ai_real epsilon)   {
+    return
+        EpsilonCompare(n.mValue.x,s.mValue.x,epsilon) &&
+        EpsilonCompare(n.mValue.y,s.mValue.y,epsilon) &&
+        EpsilonCompare(n.mValue.z,s.mValue.z,epsilon) &&
+        EpsilonCompare(n.mValue.w,s.mValue.w,epsilon);
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline
+bool AllIdentical(T* in, unsigned int num, ai_real epsilon) {
+    if (num <= 1) {
+        return true;
+    }
+
+    if (fabs(epsilon) > 0.f) {
+        for (unsigned int i = 0; i < num-1;++i) {
+            if (!EpsilonCompare(in[i],in[i+1],epsilon)) {
+                return false;
+            }
+        }
+    } else {
+        for (unsigned int i = 0; i < num-1;++i) {
+            if (in[i] != in[i+1]) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Search an animation for invalid content
+void FindInvalidDataProcess::ProcessAnimation (aiAnimation* anim) {
+    // Process all animation channels
+    for ( unsigned int a = 0; a < anim->mNumChannels; ++a ) {
+        ProcessAnimationChannel( anim->mChannels[a]);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void FindInvalidDataProcess::ProcessAnimationChannel (aiNodeAnim* anim) {
+    ai_assert( nullptr != anim );
+    if (anim->mNumPositionKeys == 0 && anim->mNumRotationKeys == 0 && anim->mNumScalingKeys == 0) {
+        ai_assert_entry();
+        return;
+    }
+
+    // Check whether all values in a tracks are identical - in this case
+    // we can remove al keys except one.
+    // POSITIONS
+    int i = 0;
+    if (anim->mNumPositionKeys > 1 && AllIdentical(anim->mPositionKeys,anim->mNumPositionKeys,configEpsilon)) {
+        aiVectorKey v = anim->mPositionKeys[0];
+
+        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
+        delete[] anim->mPositionKeys;
+        anim->mPositionKeys = new aiVectorKey[anim->mNumPositionKeys = 1];
+        anim->mPositionKeys[0] = v;
+        i = 1;
+    }
+
+    // ROTATIONS
+    if (anim->mNumRotationKeys > 1 && AllIdentical(anim->mRotationKeys,anim->mNumRotationKeys,configEpsilon)) {
+        aiQuatKey v = anim->mRotationKeys[0];
+
+        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
+        delete[] anim->mRotationKeys;
+        anim->mRotationKeys = new aiQuatKey[anim->mNumRotationKeys = 1];
+        anim->mRotationKeys[0] = v;
+        i = 1;
+    }
+
+    // SCALINGS
+    if (anim->mNumScalingKeys > 1 && AllIdentical(anim->mScalingKeys,anim->mNumScalingKeys,configEpsilon)) {
+        aiVectorKey v = anim->mScalingKeys[0];
+
+        // Reallocate ... we need just ONE element, it makes no sense to reuse the array
+        delete[] anim->mScalingKeys;
+        anim->mScalingKeys = new aiVectorKey[anim->mNumScalingKeys = 1];
+        anim->mScalingKeys[0] = v;
+        i = 1;
+    }
+    if ( 1 == i ) {
+        ASSIMP_LOG_WARN("Simplified dummy tracks with just one key");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Search a mesh for invalid contents
+int FindInvalidDataProcess::ProcessMesh(aiMesh* pMesh)
+{
+    bool ret = false;
+    std::vector<bool> dirtyMask(pMesh->mNumVertices, pMesh->mNumFaces != 0);
+
+    // Ignore elements that are not referenced by vertices.
+    // (they are, for example, caused by the FindDegenerates step)
+    for (unsigned int m = 0; m < pMesh->mNumFaces; ++m) {
+        const aiFace& f = pMesh->mFaces[m];
+
+        for (unsigned int i = 0; i < f.mNumIndices; ++i) {
+            dirtyMask[f.mIndices[i]] = false;
+        }
+    }
+
+    // Process vertex positions
+    if (pMesh->mVertices && ProcessArray(pMesh->mVertices, pMesh->mNumVertices, "positions", dirtyMask)) {
+        ASSIMP_LOG_ERROR("Deleting mesh: Unable to continue without vertex positions");
+
+        return 2;
+    }
+
+    // process texture coordinates
+    if (!mIgnoreTexCoods) {
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS && pMesh->mTextureCoords[i]; ++i) {
+            if (ProcessArray(pMesh->mTextureCoords[i], pMesh->mNumVertices, "uvcoords", dirtyMask)) {
+                pMesh->mNumUVComponents[i] = 0;
+
+                // delete all subsequent texture coordinate sets.
+                for (unsigned int a = i + 1; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a) {
+                    delete[] pMesh->mTextureCoords[a];
+                    pMesh->mTextureCoords[a] = NULL;
+                    pMesh->mNumUVComponents[a] = 0;
+                }
+
+                ret = true;
+            }
+        }
+    }
+
+    // -- we don't validate vertex colors, it's difficult to say whether
+    // they are invalid or not.
+
+    // Normals and tangents are undefined for point and line faces.
+    if (pMesh->mNormals || pMesh->mTangents)    {
+
+        if (aiPrimitiveType_POINT & pMesh->mPrimitiveTypes ||
+            aiPrimitiveType_LINE  & pMesh->mPrimitiveTypes)
+        {
+            if (aiPrimitiveType_TRIANGLE & pMesh->mPrimitiveTypes ||
+                aiPrimitiveType_POLYGON  & pMesh->mPrimitiveTypes)
+            {
+                // We need to update the lookup-table
+                for (unsigned int m = 0; m < pMesh->mNumFaces;++m) {
+                    const aiFace& f = pMesh->mFaces[ m ];
+
+                    if (f.mNumIndices < 3)  {
+                        dirtyMask[f.mIndices[0]] = true;
+                        if (f.mNumIndices == 2) {
+                            dirtyMask[f.mIndices[1]] = true;
+                        }
+                    }
+                }
+            }
+            // Normals, tangents and bitangents are undefined for
+            // the whole mesh (and should not even be there)
+            else {
+                return ret;
+            }
+        }
+
+        // Process mesh normals
+        if (pMesh->mNormals && ProcessArray(pMesh->mNormals,pMesh->mNumVertices,
+            "normals",dirtyMask,true,false))
+            ret = true;
+
+        // Process mesh tangents
+        if (pMesh->mTangents && ProcessArray(pMesh->mTangents,pMesh->mNumVertices,"tangents",dirtyMask))    {
+            delete[] pMesh->mBitangents; pMesh->mBitangents = NULL;
+            ret = true;
+        }
+
+        // Process mesh bitangents
+        if (pMesh->mBitangents && ProcessArray(pMesh->mBitangents,pMesh->mNumVertices,"bitangents",dirtyMask))  {
+            delete[] pMesh->mTangents; pMesh->mTangents = NULL;
+            ret = true;
+        }
+    }
+    return ret ? 1 : 0;
+}
+
+#endif // !! ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS
diff --git a/thirdparty/assimp/code/FindInvalidDataProcess.h b/thirdparty/assimp/code/FindInvalidDataProcess.h
new file mode 100644
index 0000000000..8504fb7b1f
--- /dev/null
+++ b/thirdparty/assimp/code/FindInvalidDataProcess.h
@@ -0,0 +1,105 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to search an importer's output
+ *   for data that is obviously invalid
+ */
+#ifndef AI_FINDINVALIDDATA_H_INC
+#define AI_FINDINVALIDDATA_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/types.h>
+#include <assimp/anim.h>
+
+struct aiMesh;
+
+class FindInvalidDataProcessTest;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** The FindInvalidData post-processing step. It searches the mesh data
+ *  for parts that are obviously invalid and removes them.
+ *
+ *  Originally this was a workaround for some models written by Blender
+ *  which have zero normal vectors. */
+class ASSIMP_API FindInvalidDataProcess : public BaseProcess {
+public:
+    FindInvalidDataProcess();
+    ~FindInvalidDataProcess();
+
+    // -------------------------------------------------------------------
+    //
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Setup import settings
+    void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    // Run the step
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    /** Executes the post-processing step on the given mesh
+     * @param pMesh The mesh to process.
+     * @return 0 - nothing, 1 - removed sth, 2 - please delete me  */
+    int ProcessMesh( aiMesh* pMesh);
+
+    // -------------------------------------------------------------------
+    /** Executes the post-processing step on the given animation
+     * @param anim The animation to process.  */
+    void ProcessAnimation (aiAnimation* anim);
+
+    // -------------------------------------------------------------------
+    /** Executes the post-processing step on the given anim channel
+     * @param anim The animation channel to process.*/
+    void ProcessAnimationChannel (aiNodeAnim* anim);
+
+private:
+    ai_real configEpsilon;
+    bool mIgnoreTexCoods;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_AI_FINDINVALIDDATA_H_INC
diff --git a/thirdparty/assimp/code/FixNormalsStep.cpp b/thirdparty/assimp/code/FixNormalsStep.cpp
new file mode 100644
index 0000000000..bbbe6899b4
--- /dev/null
+++ b/thirdparty/assimp/code/FixNormalsStep.cpp
@@ -0,0 +1,184 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to invert
+ * all normals in meshes with infacing normals.
+ */
+
+// internal headers
+#include "FixNormalsStep.h"
+#include <assimp/StringUtils.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <stdio.h>
+
+
+using namespace Assimp;
+
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+FixInfacingNormalsProcess::FixInfacingNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+FixInfacingNormalsProcess::~FixInfacingNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool FixInfacingNormalsProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_FixInfacingNormals) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void FixInfacingNormalsProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess begin");
+
+    bool bHas( false );
+    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
+        if (ProcessMesh(pScene->mMeshes[a], a)) {
+            bHas = true;
+        }
+    }
+
+    if (bHas) {
+        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. Found issues.");
+    } else {
+        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. No changes to the scene.");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Apply the step to the mesh
+bool FixInfacingNormalsProcess::ProcessMesh( aiMesh* pcMesh, unsigned int index)
+{
+    ai_assert(nullptr != pcMesh);
+
+    // Nothing to do if there are no model normals
+    if (!pcMesh->HasNormals()) {
+        return false;
+    }
+
+    // Compute the bounding box of both the model vertices + normals and
+    // the unmodified model vertices. Then check whether the first BB
+    // is smaller than the second. In this case we can assume that the
+    // normals need to be flipped, although there are a few special cases ..
+    // convex, concave, planar models ...
+
+    aiVector3D vMin0 (1e10f,1e10f,1e10f);
+    aiVector3D vMin1 (1e10f,1e10f,1e10f);
+    aiVector3D vMax0 (-1e10f,-1e10f,-1e10f);
+    aiVector3D vMax1 (-1e10f,-1e10f,-1e10f);
+
+    for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
+    {
+        vMin1.x = std::min(vMin1.x,pcMesh->mVertices[i].x);
+        vMin1.y = std::min(vMin1.y,pcMesh->mVertices[i].y);
+        vMin1.z = std::min(vMin1.z,pcMesh->mVertices[i].z);
+
+        vMax1.x = std::max(vMax1.x,pcMesh->mVertices[i].x);
+        vMax1.y = std::max(vMax1.y,pcMesh->mVertices[i].y);
+        vMax1.z = std::max(vMax1.z,pcMesh->mVertices[i].z);
+
+        const aiVector3D vWithNormal = pcMesh->mVertices[i] + pcMesh->mNormals[i];
+
+        vMin0.x = std::min(vMin0.x,vWithNormal.x);
+        vMin0.y = std::min(vMin0.y,vWithNormal.y);
+        vMin0.z = std::min(vMin0.z,vWithNormal.z);
+
+        vMax0.x = std::max(vMax0.x,vWithNormal.x);
+        vMax0.y = std::max(vMax0.y,vWithNormal.y);
+        vMax0.z = std::max(vMax0.z,vWithNormal.z);
+    }
+
+    const float fDelta0_x = (vMax0.x - vMin0.x);
+    const float fDelta0_y = (vMax0.y - vMin0.y);
+    const float fDelta0_z = (vMax0.z - vMin0.z);
+
+    const float fDelta1_x = (vMax1.x - vMin1.x);
+    const float fDelta1_y = (vMax1.y - vMin1.y);
+    const float fDelta1_z = (vMax1.z - vMin1.z);
+
+    // Check whether the boxes are overlapping
+    if ((fDelta0_x > 0.0f) != (fDelta1_x > 0.0f))return false;
+    if ((fDelta0_y > 0.0f) != (fDelta1_y > 0.0f))return false;
+    if ((fDelta0_z > 0.0f) != (fDelta1_z > 0.0f))return false;
+
+    // Check whether this is a planar surface
+    const float fDelta1_yz = fDelta1_y * fDelta1_z;
+
+    if (fDelta1_x < 0.05f * std::sqrt( fDelta1_yz ))return false;
+    if (fDelta1_y < 0.05f * std::sqrt( fDelta1_z * fDelta1_x ))return false;
+    if (fDelta1_z < 0.05f * std::sqrt( fDelta1_y * fDelta1_x ))return false;
+
+    // now compare the volumes of the bounding boxes
+    if (std::fabs(fDelta0_x * fDelta0_y * fDelta0_z) < std::fabs(fDelta1_x * fDelta1_yz)) {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_INFO_F("Mesh ", index, ": Normals are facing inwards (or the mesh is planar)", index);
+        }
+
+        // Invert normals
+        for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
+            pcMesh->mNormals[i] *= -1.0f;
+
+        // ... and flip faces
+        for (unsigned int i = 0; i < pcMesh->mNumFaces;++i)
+        {
+            aiFace& face = pcMesh->mFaces[i];
+            for( unsigned int b = 0; b < face.mNumIndices / 2; b++)
+                std::swap( face.mIndices[b], face.mIndices[ face.mNumIndices - 1 - b]);
+        }
+        return true;
+    }
+    return false;
+}
diff --git a/thirdparty/assimp/code/FixNormalsStep.h b/thirdparty/assimp/code/FixNormalsStep.h
new file mode 100644
index 0000000000..6be27faef6
--- /dev/null
+++ b/thirdparty/assimp/code/FixNormalsStep.h
@@ -0,0 +1,91 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+
+/** @file Defines a post processing step to fix infacing normals */
+#ifndef AI_FIXNORMALSPROCESS_H_INC
+#define AI_FIXNORMALSPROCESS_H_INC
+
+#include "BaseProcess.h"
+
+struct aiMesh;
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The FixInfacingNormalsProcess tries to determine whether the normal
+ * vectors of an object are facing inwards. In this case they will be
+ * flipped.
+ */
+class FixInfacingNormalsProcess : public BaseProcess {
+public:
+    FixInfacingNormalsProcess();
+    ~FixInfacingNormalsProcess();
+
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+     * @param pFlags The processing flags the importer was called with. A bitwise
+     *   combination of #aiPostProcessSteps.
+     * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Executes the step on the given mesh
+     * @param pMesh The mesh to process.
+     */
+    bool ProcessMesh( aiMesh* pMesh, unsigned int index);
+};
+
+} // end of namespace Assimp
+
+#endif // AI_FIXNORMALSPROCESS_H_INC
diff --git a/thirdparty/assimp/code/GenFaceNormalsProcess.cpp b/thirdparty/assimp/code/GenFaceNormalsProcess.cpp
new file mode 100644
index 0000000000..028334dec7
--- /dev/null
+++ b/thirdparty/assimp/code/GenFaceNormalsProcess.cpp
@@ -0,0 +1,146 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to generate face
+* normals for all imported faces.
+*/
+
+
+#include "GenFaceNormalsProcess.h"
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/Exceptional.h>
+#include <assimp/qnan.h>
+
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+GenFaceNormalsProcess::GenFaceNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+GenFaceNormalsProcess::~GenFaceNormalsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool GenFaceNormalsProcess::IsActive( unsigned int pFlags) const {
+    force_ = (pFlags & aiProcess_ForceGenNormals) != 0;
+    return  (pFlags & aiProcess_GenNormals) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void GenFaceNormalsProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("GenFaceNormalsProcess begin");
+
+    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
+        throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
+    }
+
+    bool bHas = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)   {
+        if(this->GenMeshFaceNormals( pScene->mMeshes[a])) {
+            bHas = true;
+        }
+    }
+    if (bHas)   {
+        ASSIMP_LOG_INFO("GenFaceNormalsProcess finished. "
+            "Face normals have been calculated");
+    } else {
+        ASSIMP_LOG_DEBUG("GenFaceNormalsProcess finished. "
+            "Normals are already there");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+bool GenFaceNormalsProcess::GenMeshFaceNormals (aiMesh* pMesh)
+{
+    if (NULL != pMesh->mNormals) {
+        if (force_) delete[] pMesh->mNormals;
+        else return false;
+    }
+
+    // If the mesh consists of lines and/or points but not of
+    // triangles or higher-order polygons the normal vectors
+    // are undefined.
+    if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))   {
+        ASSIMP_LOG_INFO("Normal vectors are undefined for line and point meshes");
+        return false;
+    }
+
+    // allocate an array to hold the output normals
+    pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
+    const float qnan = get_qnan();
+
+    // iterate through all faces and compute per-face normals but store them per-vertex.
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++) {
+        const aiFace& face = pMesh->mFaces[a];
+        if (face.mNumIndices < 3)   {
+            // either a point or a line -> no well-defined normal vector
+            for (unsigned int i = 0;i < face.mNumIndices;++i) {
+                pMesh->mNormals[face.mIndices[i]] = aiVector3D(qnan);
+            }
+            continue;
+        }
+
+        const aiVector3D* pV1 = &pMesh->mVertices[face.mIndices[0]];
+        const aiVector3D* pV2 = &pMesh->mVertices[face.mIndices[1]];
+        const aiVector3D* pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices-1]];
+        const aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).NormalizeSafe();
+
+        for (unsigned int i = 0;i < face.mNumIndices;++i) {
+            pMesh->mNormals[face.mIndices[i]] = vNor;
+        }
+    }
+    return true;
+}
diff --git a/thirdparty/assimp/code/GenFaceNormalsProcess.h b/thirdparty/assimp/code/GenFaceNormalsProcess.h
new file mode 100644
index 0000000000..c80ec9fddc
--- /dev/null
+++ b/thirdparty/assimp/code/GenFaceNormalsProcess.h
@@ -0,0 +1,87 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to compute face normals for all loaded faces*/
+#ifndef AI_GENFACENORMALPROCESS_H_INC
+#define AI_GENFACENORMALPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The GenFaceNormalsProcess computes face normals for all faces of all meshes
+*/
+class ASSIMP_API_WINONLY GenFaceNormalsProcess : public BaseProcess
+{
+public:
+
+    GenFaceNormalsProcess();
+    ~GenFaceNormalsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+
+private:
+    bool GenMeshFaceNormals(aiMesh* pcMesh);
+    mutable bool force_ = false;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_GENFACENORMALPROCESS_H_INC
diff --git a/thirdparty/assimp/code/GenVertexNormalsProcess.cpp b/thirdparty/assimp/code/GenVertexNormalsProcess.cpp
new file mode 100644
index 0000000000..3f6c2f86bd
--- /dev/null
+++ b/thirdparty/assimp/code/GenVertexNormalsProcess.cpp
@@ -0,0 +1,239 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to generate face
+* normals for all imported faces.
+*/
+
+
+
+// internal headers
+#include "GenVertexNormalsProcess.h"
+#include "ProcessHelper.h"
+#include <assimp/Exceptional.h>
+#include <assimp/qnan.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+GenVertexNormalsProcess::GenVertexNormalsProcess()
+: configMaxAngle( AI_DEG_TO_RAD( 175.f ) ) {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+GenVertexNormalsProcess::~GenVertexNormalsProcess() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool GenVertexNormalsProcess::IsActive( unsigned int pFlags) const
+{
+    force_ = (pFlags & aiProcess_ForceGenNormals) != 0;
+    return (pFlags & aiProcess_GenSmoothNormals) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void GenVertexNormalsProcess::SetupProperties(const Importer* pImp)
+{
+    // Get the current value of the AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE property
+    configMaxAngle = pImp->GetPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE,(ai_real)175.0);
+    configMaxAngle = AI_DEG_TO_RAD(std::max(std::min(configMaxAngle,(ai_real)175.0),(ai_real)0.0));
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void GenVertexNormalsProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("GenVertexNormalsProcess begin");
+
+    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
+        throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
+    }
+
+    bool bHas = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
+        if(GenMeshVertexNormals( pScene->mMeshes[a],a))
+            bHas = true;
+    }
+
+    if (bHas)   {
+        ASSIMP_LOG_INFO("GenVertexNormalsProcess finished. "
+            "Vertex normals have been calculated");
+    } else {
+        ASSIMP_LOG_DEBUG("GenVertexNormalsProcess finished. "
+            "Normals are already there");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+bool GenVertexNormalsProcess::GenMeshVertexNormals (aiMesh* pMesh, unsigned int meshIndex)
+{
+    if (NULL != pMesh->mNormals) {
+        if (force_) delete[] pMesh->mNormals;
+        else return false;
+    }
+
+    // If the mesh consists of lines and/or points but not of
+    // triangles or higher-order polygons the normal vectors
+    // are undefined.
+    if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))
+    {
+        ASSIMP_LOG_INFO("Normal vectors are undefined for line and point meshes");
+        return false;
+    }
+
+    // Allocate the array to hold the output normals
+    const float qnan = std::numeric_limits<ai_real>::quiet_NaN();
+    pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
+
+    // Compute per-face normals but store them per-vertex
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++)
+    {
+        const aiFace& face = pMesh->mFaces[a];
+        if (face.mNumIndices < 3)
+        {
+            // either a point or a line -> no normal vector
+            for (unsigned int i = 0;i < face.mNumIndices;++i) {
+                pMesh->mNormals[face.mIndices[i]] = aiVector3D(qnan);
+            }
+
+            continue;
+        }
+
+        const aiVector3D* pV1 = &pMesh->mVertices[face.mIndices[0]];
+        const aiVector3D* pV2 = &pMesh->mVertices[face.mIndices[1]];
+        const aiVector3D* pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices-1]];
+        const aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).NormalizeSafe();
+
+        for (unsigned int i = 0;i < face.mNumIndices;++i) {
+            pMesh->mNormals[face.mIndices[i]] = vNor;
+        }
+    }
+
+    // Set up a SpatialSort to quickly find all vertices close to a given position
+    // check whether we can reuse the SpatialSort of a previous step.
+    SpatialSort* vertexFinder = NULL;
+    SpatialSort  _vertexFinder;
+    ai_real posEpsilon = ai_real( 1e-5 );
+    if (shared) {
+        std::vector<std::pair<SpatialSort,ai_real> >* avf;
+        shared->GetProperty(AI_SPP_SPATIAL_SORT,avf);
+        if (avf)
+        {
+            std::pair<SpatialSort,ai_real>& blubb = avf->operator [] (meshIndex);
+            vertexFinder = &blubb.first;
+            posEpsilon = blubb.second;
+        }
+    }
+    if (!vertexFinder)  {
+        _vertexFinder.Fill(pMesh->mVertices, pMesh->mNumVertices, sizeof( aiVector3D));
+        vertexFinder = &_vertexFinder;
+        posEpsilon = ComputePositionEpsilon(pMesh);
+    }
+    std::vector<unsigned int> verticesFound;
+    aiVector3D* pcNew = new aiVector3D[pMesh->mNumVertices];
+
+    if (configMaxAngle >= AI_DEG_TO_RAD( 175.f ))   {
+        // There is no angle limit. Thus all vertices with positions close
+        // to each other will receive the same vertex normal. This allows us
+        // to optimize the whole algorithm a little bit ...
+        std::vector<bool> abHad(pMesh->mNumVertices,false);
+        for (unsigned int i = 0; i < pMesh->mNumVertices;++i)   {
+            if (abHad[i]) {
+                continue;
+            }
+
+            // Get all vertices that share this one ...
+            vertexFinder->FindPositions( pMesh->mVertices[i], posEpsilon, verticesFound);
+
+            aiVector3D pcNor;
+            for (unsigned int a = 0; a < verticesFound.size(); ++a) {
+                const aiVector3D& v = pMesh->mNormals[verticesFound[a]];
+                if (is_not_qnan(v.x))pcNor += v;
+            }
+            pcNor.NormalizeSafe();
+
+            // Write the smoothed normal back to all affected normals
+            for (unsigned int a = 0; a < verticesFound.size(); ++a)
+            {
+                unsigned int vidx = verticesFound[a];
+                pcNew[vidx] = pcNor;
+                abHad[vidx] = true;
+            }
+        }
+    }
+    // Slower code path if a smooth angle is set. There are many ways to achieve
+    // the effect, this one is the most straightforward one.
+    else    {
+        const ai_real fLimit = std::cos(configMaxAngle);
+        for (unsigned int i = 0; i < pMesh->mNumVertices;++i)   {
+            // Get all vertices that share this one ...
+            vertexFinder->FindPositions( pMesh->mVertices[i] , posEpsilon, verticesFound);
+
+            aiVector3D vr = pMesh->mNormals[i];
+
+            aiVector3D pcNor;
+            for (unsigned int a = 0; a < verticesFound.size(); ++a) {
+                aiVector3D v = pMesh->mNormals[verticesFound[a]];
+
+                // Check whether the angle between the two normals is not too large.
+                // Skip the angle check on our own normal to avoid false negatives
+                // (v*v is not guaranteed to be 1.0 for all unit vectors v)
+                if (is_not_qnan(v.x) && (verticesFound[a] == i || (v * vr >= fLimit)))
+                    pcNor += v;
+            }
+            pcNew[i] = pcNor.NormalizeSafe();
+        }
+    }
+
+    delete[] pMesh->mNormals;
+    pMesh->mNormals = pcNew;
+
+    return true;
+}
diff --git a/thirdparty/assimp/code/GenVertexNormalsProcess.h b/thirdparty/assimp/code/GenVertexNormalsProcess.h
new file mode 100644
index 0000000000..9142ad26f5
--- /dev/null
+++ b/thirdparty/assimp/code/GenVertexNormalsProcess.h
@@ -0,0 +1,115 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to compute vertex normals
+    for all loaded vertizes */
+#ifndef AI_GENVERTEXNORMALPROCESS_H_INC
+#define AI_GENVERTEXNORMALPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+class GenNormalsTest;
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** The GenFaceNormalsProcess computes vertex normals for all vertizes
+*/
+class ASSIMP_API GenVertexNormalsProcess : public BaseProcess
+{
+public:
+
+    GenVertexNormalsProcess();
+    ~GenVertexNormalsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with.
+    *   A bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+
+    // setter for configMaxAngle
+    inline void SetMaxSmoothAngle(ai_real f)
+    {
+        configMaxAngle =f;
+    }
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Computes normals for a specific mesh
+    *  @param pcMesh Mesh
+    *  @param meshIndex Index of the mesh
+    *  @return true if vertex normals have been computed
+    */
+    bool GenMeshVertexNormals (aiMesh* pcMesh, unsigned int meshIndex);
+
+private:
+
+    /** Configuration option: maximum smoothing angle, in radians*/
+    ai_real configMaxAngle;
+    mutable bool force_ = false;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_GENVERTEXNORMALPROCESS_H_INC
diff --git a/thirdparty/assimp/code/Importer.cpp b/thirdparty/assimp/code/Importer.cpp
new file mode 100644
index 0000000000..65b16471cc
--- /dev/null
+++ b/thirdparty/assimp/code/Importer.cpp
@@ -0,0 +1,1171 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  Importer.cpp
+ *  @brief Implementation of the CPP-API class #Importer
+ */
+
+#include <assimp/version.h>
+#include <assimp/config.h>
+#include <assimp/importerdesc.h>
+
+// ------------------------------------------------------------------------------------------------
+/* Uncomment this line to prevent Assimp from catching unknown exceptions.
+ *
+ * Note that any Exception except DeadlyImportError may lead to
+ * undefined behaviour -> loaders could remain in an unusable state and
+ * further imports with the same Importer instance could fail/crash/burn ...
+ */
+// ------------------------------------------------------------------------------------------------
+#ifndef ASSIMP_BUILD_DEBUG
+#   define ASSIMP_CATCH_GLOBAL_EXCEPTIONS
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Internal headers
+// ------------------------------------------------------------------------------------------------
+#include "Importer.h"
+#include <assimp/BaseImporter.h>
+#include "BaseProcess.h"
+
+#include "DefaultProgressHandler.h"
+#include <assimp/GenericProperty.h>
+#include "ProcessHelper.h"
+#include "ScenePreprocessor.h"
+#include "ScenePrivate.h"
+#include <assimp/MemoryIOWrapper.h>
+#include <assimp/Profiler.h>
+#include <assimp/TinyFormatter.h>
+#include <assimp/Exceptional.h>
+#include <assimp/Profiler.h>
+#include <set>
+#include <memory>
+#include <cctype>
+
+#include <assimp/DefaultIOStream.h>
+#include <assimp/DefaultIOSystem.h>
+
+#ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+#   include "ValidateDataStructure.h"
+#endif
+
+using namespace Assimp::Profiling;
+using namespace Assimp::Formatter;
+
+namespace Assimp {
+    // ImporterRegistry.cpp
+    void GetImporterInstanceList(std::vector< BaseImporter* >& out);
+	void DeleteImporterInstanceList(std::vector< BaseImporter* >& out);
+
+    // PostStepRegistry.cpp
+    void GetPostProcessingStepInstanceList(std::vector< BaseProcess* >& out);
+}
+
+using namespace Assimp;
+using namespace Assimp::Intern;
+
+// ------------------------------------------------------------------------------------------------
+// Intern::AllocateFromAssimpHeap serves as abstract base class. It overrides
+// new and delete (and their array counterparts) of public API classes (e.g. Logger) to
+// utilize our DLL heap.
+// See http://www.gotw.ca/publications/mill15.htm
+// ------------------------------------------------------------------------------------------------
+void* AllocateFromAssimpHeap::operator new ( size_t num_bytes)  {
+    return ::operator new(num_bytes);
+}
+
+void* AllocateFromAssimpHeap::operator new ( size_t num_bytes, const std::nothrow_t& ) throw()  {
+    try {
+        return AllocateFromAssimpHeap::operator new( num_bytes );
+    }
+    catch( ... )    {
+        return NULL;
+    }
+}
+
+void AllocateFromAssimpHeap::operator delete ( void* data)  {
+    return ::operator delete(data);
+}
+
+void* AllocateFromAssimpHeap::operator new[] ( size_t num_bytes)    {
+    return ::operator new[](num_bytes);
+}
+
+void* AllocateFromAssimpHeap::operator new[] ( size_t num_bytes, const std::nothrow_t& ) throw() {
+    try {
+        return AllocateFromAssimpHeap::operator new[]( num_bytes );
+    }
+    catch( ... )    {
+        return NULL;
+    }
+}
+
+void AllocateFromAssimpHeap::operator delete[] ( void* data)    {
+    return ::operator delete[](data);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Importer constructor.
+Importer::Importer()
+ : pimpl( new ImporterPimpl ) {
+    pimpl->mScene = NULL;
+    pimpl->mErrorString = "";
+
+    // Allocate a default IO handler
+    pimpl->mIOHandler = new DefaultIOSystem;
+    pimpl->mIsDefaultHandler = true;
+    pimpl->bExtraVerbose     = false; // disable extra verbose mode by default
+
+    pimpl->mProgressHandler = new DefaultProgressHandler();
+    pimpl->mIsDefaultProgressHandler = true;
+
+    GetImporterInstanceList(pimpl->mImporter);
+    GetPostProcessingStepInstanceList(pimpl->mPostProcessingSteps);
+
+    // Allocate a SharedPostProcessInfo object and store pointers to it in all post-process steps in the list.
+    pimpl->mPPShared = new SharedPostProcessInfo();
+    for (std::vector<BaseProcess*>::iterator it =  pimpl->mPostProcessingSteps.begin();
+        it != pimpl->mPostProcessingSteps.end();
+        ++it)   {
+
+        (*it)->SetSharedData(pimpl->mPPShared);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor of Importer
+Importer::~Importer()
+{
+    // Delete all import plugins
+	DeleteImporterInstanceList(pimpl->mImporter);
+
+    // Delete all post-processing plug-ins
+    for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++)
+        delete pimpl->mPostProcessingSteps[a];
+
+    // Delete the assigned IO and progress handler
+    delete pimpl->mIOHandler;
+    delete pimpl->mProgressHandler;
+
+    // Kill imported scene. Destructor's should do that recursively
+    delete pimpl->mScene;
+
+    // Delete shared post-processing data
+    delete pimpl->mPPShared;
+
+    // and finally the pimpl itself
+    delete pimpl;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Register a custom post-processing step
+aiReturn Importer::RegisterPPStep(BaseProcess* pImp)
+{
+    ai_assert(NULL != pImp);
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+        pimpl->mPostProcessingSteps.push_back(pImp);
+        ASSIMP_LOG_INFO("Registering custom post-processing step");
+
+    ASSIMP_END_EXCEPTION_REGION(aiReturn);
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Register a custom loader plugin
+aiReturn Importer::RegisterLoader(BaseImporter* pImp)
+{
+    ai_assert(NULL != pImp);
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+    // --------------------------------------------------------------------
+    // Check whether we would have two loaders for the same file extension
+    // This is absolutely OK, but we should warn the developer of the new
+    // loader that his code will probably never be called if the first
+    // loader is a bit too lazy in his file checking.
+    // --------------------------------------------------------------------
+    std::set<std::string> st;
+    std::string baked;
+    pImp->GetExtensionList(st);
+
+    for(std::set<std::string>::const_iterator it = st.begin(); it != st.end(); ++it) {
+
+#ifdef ASSIMP_BUILD_DEBUG
+        if (IsExtensionSupported(*it)) {
+            ASSIMP_LOG_WARN_F("The file extension ", *it, " is already in use");
+        }
+#endif
+        baked += *it;
+    }
+
+    // add the loader
+    pimpl->mImporter.push_back(pImp);
+    ASSIMP_LOG_INFO_F("Registering custom importer for these file extensions: ", baked);
+    ASSIMP_END_EXCEPTION_REGION(aiReturn);
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Unregister a custom loader plugin
+aiReturn Importer::UnregisterLoader(BaseImporter* pImp)
+{
+    if(!pImp) {
+        // unregistering a NULL importer is no problem for us ... really!
+        return AI_SUCCESS;
+    }
+
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    std::vector<BaseImporter*>::iterator it = std::find(pimpl->mImporter.begin(),
+        pimpl->mImporter.end(),pImp);
+
+    if (it != pimpl->mImporter.end())   {
+        pimpl->mImporter.erase(it);
+        ASSIMP_LOG_INFO("Unregistering custom importer: ");
+        return AI_SUCCESS;
+    }
+    ASSIMP_LOG_WARN("Unable to remove custom importer: I can't find you ...");
+    ASSIMP_END_EXCEPTION_REGION(aiReturn);
+    return AI_FAILURE;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Unregister a custom loader plugin
+aiReturn Importer::UnregisterPPStep(BaseProcess* pImp)
+{
+    if(!pImp) {
+        // unregistering a NULL ppstep is no problem for us ... really!
+        return AI_SUCCESS;
+    }
+
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    std::vector<BaseProcess*>::iterator it = std::find(pimpl->mPostProcessingSteps.begin(),
+        pimpl->mPostProcessingSteps.end(),pImp);
+
+    if (it != pimpl->mPostProcessingSteps.end())    {
+        pimpl->mPostProcessingSteps.erase(it);
+        ASSIMP_LOG_INFO("Unregistering custom post-processing step");
+        return AI_SUCCESS;
+    }
+    ASSIMP_LOG_WARN("Unable to remove custom post-processing step: I can't find you ..");
+    ASSIMP_END_EXCEPTION_REGION(aiReturn);
+    return AI_FAILURE;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Supplies a custom IO handler to the importer to open and access files.
+void Importer::SetIOHandler( IOSystem* pIOHandler)
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    // If the new handler is zero, allocate a default IO implementation.
+    if (!pIOHandler)
+    {
+        // Release pointer in the possession of the caller
+        pimpl->mIOHandler = new DefaultIOSystem();
+        pimpl->mIsDefaultHandler = true;
+    }
+    // Otherwise register the custom handler
+    else if (pimpl->mIOHandler != pIOHandler)
+    {
+        delete pimpl->mIOHandler;
+        pimpl->mIOHandler = pIOHandler;
+        pimpl->mIsDefaultHandler = false;
+    }
+    ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the currently set IO handler
+IOSystem* Importer::GetIOHandler() const {
+    return pimpl->mIOHandler;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Check whether a custom IO handler is currently set
+bool Importer::IsDefaultIOHandler() const {
+    return pimpl->mIsDefaultHandler;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Supplies a custom progress handler to get regular callbacks during importing
+void Importer::SetProgressHandler ( ProgressHandler* pHandler ) {
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    // If the new handler is zero, allocate a default implementation.
+    if (!pHandler)
+    {
+        // Release pointer in the possession of the caller
+        pimpl->mProgressHandler = new DefaultProgressHandler();
+        pimpl->mIsDefaultProgressHandler = true;
+    }
+    // Otherwise register the custom handler
+    else if (pimpl->mProgressHandler != pHandler)
+    {
+        delete pimpl->mProgressHandler;
+        pimpl->mProgressHandler = pHandler;
+        pimpl->mIsDefaultProgressHandler = false;
+    }
+    ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the currently set progress handler
+ProgressHandler* Importer::GetProgressHandler() const {
+    return pimpl->mProgressHandler;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Check whether a custom progress handler is currently set
+bool Importer::IsDefaultProgressHandler() const {
+    return pimpl->mIsDefaultProgressHandler;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Validate post process step flags
+bool _ValidateFlags(unsigned int pFlags)
+{
+    if (pFlags & aiProcess_GenSmoothNormals && pFlags & aiProcess_GenNormals)   {
+        ASSIMP_LOG_ERROR("#aiProcess_GenSmoothNormals and #aiProcess_GenNormals are incompatible");
+        return false;
+    }
+    if (pFlags & aiProcess_OptimizeGraph && pFlags & aiProcess_PreTransformVertices)    {
+        ASSIMP_LOG_ERROR("#aiProcess_OptimizeGraph and #aiProcess_PreTransformVertices are incompatible");
+        return false;
+    }
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Free the current scene
+void Importer::FreeScene( )
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+    delete pimpl->mScene;
+    pimpl->mScene = NULL;
+
+    pimpl->mErrorString = "";
+    ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the current error string, if any
+const char* Importer::GetErrorString() const
+{
+     /* Must remain valid as long as ReadFile() or FreeFile() are not called */
+    return pimpl->mErrorString.c_str();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Enable extra-verbose mode
+void Importer::SetExtraVerbose(bool bDo)
+{
+    pimpl->bExtraVerbose = bDo;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the current scene
+const aiScene* Importer::GetScene() const
+{
+    return pimpl->mScene;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Orphan the current scene and return it.
+aiScene* Importer::GetOrphanedScene()
+{
+    aiScene* s = pimpl->mScene;
+
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    pimpl->mScene = NULL;
+
+    pimpl->mErrorString = ""; /* reset error string */
+    ASSIMP_END_EXCEPTION_REGION(aiScene*);
+    return s;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Validate post-processing flags
+bool Importer::ValidateFlags(unsigned int pFlags) const
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    // run basic checks for mutually exclusive flags
+    if(!_ValidateFlags(pFlags)) {
+        return false;
+    }
+
+    // ValidateDS does not anymore occur in the pp list, it plays an awesome extra role ...
+#ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+    if (pFlags & aiProcess_ValidateDataStructure) {
+        return false;
+    }
+#endif
+    pFlags &= ~aiProcess_ValidateDataStructure;
+
+    // Now iterate through all bits which are set in the flags and check whether we find at least
+    // one pp plugin which handles it.
+    for (unsigned int mask = 1; mask < (1u << (sizeof(unsigned int)*8-1));mask <<= 1) {
+
+        if (pFlags & mask) {
+
+            bool have = false;
+            for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++)   {
+                if (pimpl->mPostProcessingSteps[a]-> IsActive(mask) ) {
+
+                    have = true;
+                    break;
+                }
+            }
+            if (!have) {
+                return false;
+            }
+        }
+    }
+    ASSIMP_END_EXCEPTION_REGION(bool);
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene* Importer::ReadFileFromMemory( const void* pBuffer,
+    size_t pLength,
+    unsigned int pFlags,
+    const char* pHint /*= ""*/)
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    if (!pHint) {
+        pHint = "";
+    }
+
+    if (!pBuffer || !pLength || strlen(pHint) > MaxLenHint ) {
+        pimpl->mErrorString = "Invalid parameters passed to ReadFileFromMemory()";
+        return NULL;
+    }
+
+    // prevent deletion of the previous IOHandler
+    IOSystem* io = pimpl->mIOHandler;
+    pimpl->mIOHandler = NULL;
+
+    SetIOHandler(new MemoryIOSystem((const uint8_t*)pBuffer,pLength,io));
+
+    // read the file and recover the previous IOSystem
+    static const size_t BufSize(Importer::MaxLenHint + 28);
+    char fbuff[BufSize];
+    ai_snprintf(fbuff, BufSize, "%s.%s",AI_MEMORYIO_MAGIC_FILENAME,pHint);
+
+    ReadFile(fbuff,pFlags);
+    SetIOHandler(io);
+
+    ASSIMP_END_EXCEPTION_REGION(const aiScene*);
+    return pimpl->mScene;
+}
+
+// ------------------------------------------------------------------------------------------------
+void WriteLogOpening(const std::string& file)
+{
+    ASSIMP_LOG_INFO_F("Load ", file);
+
+    // print a full version dump. This is nice because we don't
+    // need to ask the authors of incoming bug reports for
+    // the library version they're using - a log dump is
+    // sufficient.
+    const unsigned int flags( aiGetCompileFlags() );
+    std::stringstream stream;
+    stream << "Assimp " << aiGetVersionMajor() << "." << aiGetVersionMinor() << "." << aiGetVersionRevision() << " "
+#if defined(ASSIMP_BUILD_ARCHITECTURE)
+        << ASSIMP_BUILD_ARCHITECTURE
+#elif defined(_M_IX86) || defined(__x86_32__) || defined(__i386__)
+        << "x86"
+#elif defined(_M_X64) || defined(__x86_64__)
+        << "amd64"
+#elif defined(_M_IA64) || defined(__ia64__)
+        << "itanium"
+#elif defined(__ppc__) || defined(__powerpc__)
+        << "ppc32"
+#elif defined(__powerpc64__)
+        << "ppc64"
+#elif defined(__arm__)
+        << "arm"
+#else
+        << "<unknown architecture>"
+#endif
+        << " "
+#if defined(ASSIMP_BUILD_COMPILER)
+        << ( ASSIMP_BUILD_COMPILER )
+#elif defined(_MSC_VER)
+        << "msvc"
+#elif defined(__GNUC__)
+        << "gcc"
+#else
+        << "<unknown compiler>"
+#endif
+
+#ifdef ASSIMP_BUILD_DEBUG
+        << " debug"
+#endif
+
+        << (flags & ASSIMP_CFLAGS_NOBOOST ? " noboost" : "")
+        << (flags & ASSIMP_CFLAGS_SHARED  ? " shared" : "")
+        << (flags & ASSIMP_CFLAGS_SINGLETHREADED  ? " singlethreaded" : "");
+
+        ASSIMP_LOG_DEBUG(stream.str());
+}
+
+// ------------------------------------------------------------------------------------------------
+// Reads the given file and returns its contents if successful.
+const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    const std::string pFile(_pFile);
+
+    // ----------------------------------------------------------------------
+    // Put a large try block around everything to catch all std::exception's
+    // that might be thrown by STL containers or by new().
+    // ImportErrorException's are throw by ourselves and caught elsewhere.
+    //-----------------------------------------------------------------------
+
+    WriteLogOpening(pFile);
+
+#ifdef ASSIMP_CATCH_GLOBAL_EXCEPTIONS
+    try
+#endif // ! ASSIMP_CATCH_GLOBAL_EXCEPTIONS
+    {
+        // Check whether this Importer instance has already loaded
+        // a scene. In this case we need to delete the old one
+        if (pimpl->mScene)  {
+
+            ASSIMP_LOG_DEBUG("(Deleting previous scene)");
+            FreeScene();
+        }
+
+        // First check if the file is accessible at all
+        if( !pimpl->mIOHandler->Exists( pFile)) {
+
+            pimpl->mErrorString = "Unable to open file \"" + pFile + "\".";
+            ASSIMP_LOG_ERROR(pimpl->mErrorString);
+            return NULL;
+        }
+
+        std::unique_ptr<Profiler> profiler(GetPropertyInteger(AI_CONFIG_GLOB_MEASURE_TIME,0)?new Profiler():NULL);
+        if (profiler) {
+            profiler->BeginRegion("total");
+        }
+
+        // Find an worker class which can handle the file
+        BaseImporter* imp = NULL;
+        for( unsigned int a = 0; a < pimpl->mImporter.size(); a++)  {
+
+            if( pimpl->mImporter[a]->CanRead( pFile, pimpl->mIOHandler, false)) {
+                imp = pimpl->mImporter[a];
+                break;
+            }
+        }
+
+        if (!imp)   {
+            // not so bad yet ... try format auto detection.
+            const std::string::size_type s = pFile.find_last_of('.');
+            if (s != std::string::npos) {
+                ASSIMP_LOG_INFO("File extension not known, trying signature-based detection");
+                for( unsigned int a = 0; a < pimpl->mImporter.size(); a++)  {
+                    if( pimpl->mImporter[a]->CanRead( pFile, pimpl->mIOHandler, true)) {
+                        imp = pimpl->mImporter[a];
+                        break;
+                    }
+                }
+            }
+            // Put a proper error message if no suitable importer was found
+            if( !imp)   {
+                pimpl->mErrorString = "No suitable reader found for the file format of file \"" + pFile + "\".";
+                ASSIMP_LOG_ERROR(pimpl->mErrorString);
+                return NULL;
+            }
+        }
+
+        // Get file size for progress handler
+        IOStream * fileIO = pimpl->mIOHandler->Open( pFile );
+        uint32_t fileSize = 0;
+        if (fileIO)
+        {
+            fileSize = static_cast<uint32_t>(fileIO->FileSize());
+            pimpl->mIOHandler->Close( fileIO );
+        }
+
+        // Dispatch the reading to the worker class for this format
+        const aiImporterDesc *desc( imp->GetInfo() );
+        std::string ext( "unknown" );
+        if ( NULL != desc ) {
+            ext = desc->mName;
+        }
+        ASSIMP_LOG_INFO("Found a matching importer for this file format: " + ext + "." );
+        pimpl->mProgressHandler->UpdateFileRead( 0, fileSize );
+
+        if (profiler) {
+            profiler->BeginRegion("import");
+        }
+
+        pimpl->mScene = imp->ReadFile( this, pFile, pimpl->mIOHandler);
+        pimpl->mProgressHandler->UpdateFileRead( fileSize, fileSize );
+
+        if (profiler) {
+            profiler->EndRegion("import");
+        }
+
+        SetPropertyString("sourceFilePath", pFile);
+
+        // If successful, apply all active post processing steps to the imported data
+        if( pimpl->mScene)  {
+
+#ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+            // The ValidateDS process is an exception. It is executed first, even before ScenePreprocessor is called.
+            if (pFlags & aiProcess_ValidateDataStructure)
+            {
+                ValidateDSProcess ds;
+                ds.ExecuteOnScene (this);
+                if (!pimpl->mScene) {
+                    return NULL;
+                }
+            }
+#endif // no validation
+
+            // Preprocess the scene and prepare it for post-processing
+            if (profiler) {
+                profiler->BeginRegion("preprocess");
+            }
+
+            ScenePreprocessor pre(pimpl->mScene);
+            pre.ProcessScene();
+
+            if (profiler) {
+                profiler->EndRegion("preprocess");
+            }
+
+            // Ensure that the validation process won't be called twice
+            ApplyPostProcessing(pFlags & (~aiProcess_ValidateDataStructure));
+        }
+        // if failed, extract the error string
+        else if( !pimpl->mScene) {
+            pimpl->mErrorString = imp->GetErrorText();
+        }
+
+        // clear any data allocated by post-process steps
+        pimpl->mPPShared->Clean();
+
+        if (profiler) {
+            profiler->EndRegion("total");
+        }
+    }
+#ifdef ASSIMP_CATCH_GLOBAL_EXCEPTIONS
+    catch (std::exception &e)
+    {
+#if (defined _MSC_VER) &&   (defined _CPPRTTI)
+        // if we have RTTI get the full name of the exception that occurred
+        pimpl->mErrorString = std::string(typeid( e ).name()) + ": " + e.what();
+#else
+        pimpl->mErrorString = std::string("std::exception: ") + e.what();
+#endif
+
+        ASSIMP_LOG_ERROR(pimpl->mErrorString);
+        delete pimpl->mScene; pimpl->mScene = NULL;
+    }
+#endif // ! ASSIMP_CATCH_GLOBAL_EXCEPTIONS
+
+    // either successful or failure - the pointer expresses it anyways
+    ASSIMP_END_EXCEPTION_REGION(const aiScene*);
+    return pimpl->mScene;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// Apply post-processing to the currently bound scene
+const aiScene* Importer::ApplyPostProcessing(unsigned int pFlags)
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    // Return immediately if no scene is active
+    if (!pimpl->mScene) {
+        return NULL;
+    }
+
+    // If no flags are given, return the current scene with no further action
+    if (!pFlags) {
+        return pimpl->mScene;
+    }
+
+    // In debug builds: run basic flag validation
+    ai_assert(_ValidateFlags(pFlags));
+    ASSIMP_LOG_INFO("Entering post processing pipeline");
+
+#ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+    // The ValidateDS process plays an exceptional role. It isn't contained in the global
+    // list of post-processing steps, so we need to call it manually.
+    if (pFlags & aiProcess_ValidateDataStructure)
+    {
+        ValidateDSProcess ds;
+        ds.ExecuteOnScene (this);
+        if (!pimpl->mScene) {
+            return NULL;
+        }
+    }
+#endif // no validation
+#ifdef ASSIMP_BUILD_DEBUG
+    if (pimpl->bExtraVerbose)
+    {
+#ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+        ASSIMP_LOG_ERROR("Verbose Import is not available due to build settings");
+#endif  // no validation
+        pFlags |= aiProcess_ValidateDataStructure;
+    }
+#else
+    if (pimpl->bExtraVerbose) {
+        ASSIMP_LOG_WARN("Not a debug build, ignoring extra verbose setting");
+    }
+#endif // ! DEBUG
+
+    std::unique_ptr<Profiler> profiler(GetPropertyInteger(AI_CONFIG_GLOB_MEASURE_TIME,0)?new Profiler():NULL);
+    for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++)   {
+
+        BaseProcess* process = pimpl->mPostProcessingSteps[a];
+        pimpl->mProgressHandler->UpdatePostProcess(static_cast<int>(a), static_cast<int>(pimpl->mPostProcessingSteps.size()) );
+        if( process->IsActive( pFlags)) {
+
+            if (profiler) {
+                profiler->BeginRegion("postprocess");
+            }
+
+            process->ExecuteOnScene ( this );
+
+            if (profiler) {
+                profiler->EndRegion("postprocess");
+            }
+        }
+        if( !pimpl->mScene) {
+            break;
+        }
+#ifdef ASSIMP_BUILD_DEBUG
+
+#ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+        continue;
+#endif  // no validation
+
+        // If the extra verbose mode is active, execute the ValidateDataStructureStep again - after each step
+        if (pimpl->bExtraVerbose)   {
+            ASSIMP_LOG_DEBUG("Verbose Import: re-validating data structures");
+
+            ValidateDSProcess ds;
+            ds.ExecuteOnScene (this);
+            if( !pimpl->mScene) {
+                ASSIMP_LOG_ERROR("Verbose Import: failed to re-validate data structures");
+                break;
+            }
+        }
+#endif // ! DEBUG
+    }
+    pimpl->mProgressHandler->UpdatePostProcess( static_cast<int>(pimpl->mPostProcessingSteps.size()), 
+        static_cast<int>(pimpl->mPostProcessingSteps.size()) );
+
+    // update private scene flags
+    if( pimpl->mScene )
+      ScenePriv(pimpl->mScene)->mPPStepsApplied |= pFlags;
+
+    // clear any data allocated by post-process steps
+    pimpl->mPPShared->Clean();
+    ASSIMP_LOG_INFO("Leaving post processing pipeline");
+
+    ASSIMP_END_EXCEPTION_REGION(const aiScene*);
+    return pimpl->mScene;
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiScene* Importer::ApplyCustomizedPostProcessing( BaseProcess *rootProcess, bool requestValidation ) {
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+    // Return immediately if no scene is active
+    if ( NULL == pimpl->mScene ) {
+        return NULL;
+    }
+
+    // If no flags are given, return the current scene with no further action
+    if ( NULL == rootProcess ) {
+        return pimpl->mScene;
+    }
+
+    // In debug builds: run basic flag validation
+    ASSIMP_LOG_INFO( "Entering customized post processing pipeline" );
+
+#ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+    // The ValidateDS process plays an exceptional role. It isn't contained in the global
+    // list of post-processing steps, so we need to call it manually.
+    if ( requestValidation )
+    {
+        ValidateDSProcess ds;
+        ds.ExecuteOnScene( this );
+        if ( !pimpl->mScene ) {
+            return NULL;
+        }
+    }
+#endif // no validation
+#ifdef ASSIMP_BUILD_DEBUG
+    if ( pimpl->bExtraVerbose )
+    {
+#ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+        ASSIMP_LOG_ERROR( "Verbose Import is not available due to build settings" );
+#endif  // no validation
+    }
+#else
+    if ( pimpl->bExtraVerbose ) {
+        ASSIMP_LOG_WARN( "Not a debug build, ignoring extra verbose setting" );
+    }
+#endif // ! DEBUG
+
+    std::unique_ptr<Profiler> profiler( GetPropertyInteger( AI_CONFIG_GLOB_MEASURE_TIME, 0 ) ? new Profiler() : NULL );
+
+    if ( profiler ) {
+        profiler->BeginRegion( "postprocess" );
+    }
+
+    rootProcess->ExecuteOnScene( this );
+
+    if ( profiler ) {
+        profiler->EndRegion( "postprocess" );
+    }
+
+    // If the extra verbose mode is active, execute the ValidateDataStructureStep again - after each step
+    if ( pimpl->bExtraVerbose || requestValidation  ) {
+        ASSIMP_LOG_DEBUG( "Verbose Import: revalidating data structures" );
+
+        ValidateDSProcess ds;
+        ds.ExecuteOnScene( this );
+        if ( !pimpl->mScene ) {
+            ASSIMP_LOG_ERROR( "Verbose Import: failed to revalidate data structures" );
+        }
+    }
+
+    // clear any data allocated by post-process steps
+    pimpl->mPPShared->Clean();
+    ASSIMP_LOG_INFO( "Leaving customized post processing pipeline" );
+
+    ASSIMP_END_EXCEPTION_REGION( const aiScene* );
+
+    return pimpl->mScene;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Helper function to check whether an extension is supported by ASSIMP
+bool Importer::IsExtensionSupported(const char* szExtension) const
+{
+    return nullptr != GetImporter(szExtension);
+}
+
+// ------------------------------------------------------------------------------------------------
+size_t Importer::GetImporterCount() const
+{
+    return pimpl->mImporter.size();
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiImporterDesc* Importer::GetImporterInfo(size_t index) const
+{
+    if (index >= pimpl->mImporter.size()) {
+        return NULL;
+    }
+    return pimpl->mImporter[index]->GetInfo();
+}
+
+
+// ------------------------------------------------------------------------------------------------
+BaseImporter* Importer::GetImporter (size_t index) const
+{
+    if (index >= pimpl->mImporter.size()) {
+        return NULL;
+    }
+    return pimpl->mImporter[index];
+}
+
+// ------------------------------------------------------------------------------------------------
+// Find a loader plugin for a given file extension
+BaseImporter* Importer::GetImporter (const char* szExtension) const
+{
+    return GetImporter(GetImporterIndex(szExtension));
+}
+
+// ------------------------------------------------------------------------------------------------
+// Find a loader plugin for a given file extension
+size_t Importer::GetImporterIndex (const char* szExtension) const {
+    ai_assert(nullptr != szExtension);
+
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+
+    // skip over wildcard and dot characters at string head --
+    for ( ; *szExtension == '*' || *szExtension == '.'; ++szExtension );
+
+    std::string ext(szExtension);
+    if (ext.empty()) {
+        return static_cast<size_t>(-1);
+    }
+    std::transform( ext.begin(), ext.end(), ext.begin(), ToLower<char> );
+
+    std::set<std::string> str;
+    for (std::vector<BaseImporter*>::const_iterator i =  pimpl->mImporter.begin();i != pimpl->mImporter.end();++i)  {
+        str.clear();
+
+        (*i)->GetExtensionList(str);
+        for (std::set<std::string>::const_iterator it = str.begin(); it != str.end(); ++it) {
+            if (ext == *it) {
+                return std::distance(static_cast< std::vector<BaseImporter*>::const_iterator >(pimpl->mImporter.begin()), i);
+            }
+        }
+    }
+    ASSIMP_END_EXCEPTION_REGION(size_t);
+    return static_cast<size_t>(-1);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Helper function to build a list of all file extensions supported by ASSIMP
+void Importer::GetExtensionList(aiString& szOut) const
+{
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+    std::set<std::string> str;
+    for (std::vector<BaseImporter*>::const_iterator i =  pimpl->mImporter.begin();i != pimpl->mImporter.end();++i)  {
+        (*i)->GetExtensionList(str);
+    }
+
+	// List can be empty
+	if( !str.empty() ) {
+		for (std::set<std::string>::const_iterator it = str.begin();; ) {
+			szOut.Append("*.");
+			szOut.Append((*it).c_str());
+
+			if (++it == str.end()) {
+				break;
+			}
+			szOut.Append(";");
+		}
+	}
+    ASSIMP_END_EXCEPTION_REGION(void);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool Importer::SetPropertyInteger(const char* szName, int iValue)
+{
+    bool existing;
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+        existing = SetGenericProperty<int>(pimpl->mIntProperties, szName,iValue);
+    ASSIMP_END_EXCEPTION_REGION(bool);
+    return existing;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool Importer::SetPropertyFloat(const char* szName, ai_real iValue)
+{
+    bool existing;
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+        existing = SetGenericProperty<ai_real>(pimpl->mFloatProperties, szName,iValue);
+    ASSIMP_END_EXCEPTION_REGION(bool);
+    return existing;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool Importer::SetPropertyString(const char* szName, const std::string& value)
+{
+    bool existing;
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+        existing = SetGenericProperty<std::string>(pimpl->mStringProperties, szName,value);
+    ASSIMP_END_EXCEPTION_REGION(bool);
+    return existing;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Set a configuration property
+bool Importer::SetPropertyMatrix(const char* szName, const aiMatrix4x4& value)
+{
+    bool existing;
+    ASSIMP_BEGIN_EXCEPTION_REGION();
+        existing = SetGenericProperty<aiMatrix4x4>(pimpl->mMatrixProperties, szName,value);
+    ASSIMP_END_EXCEPTION_REGION(bool);
+    return existing;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+int Importer::GetPropertyInteger(const char* szName,
+    int iErrorReturn /*= 0xffffffff*/) const
+{
+    return GetGenericProperty<int>(pimpl->mIntProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+ai_real Importer::GetPropertyFloat(const char* szName,
+    ai_real iErrorReturn /*= 10e10*/) const
+{
+    return GetGenericProperty<ai_real>(pimpl->mFloatProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+const std::string Importer::GetPropertyString(const char* szName,
+    const std::string& iErrorReturn /*= ""*/) const
+{
+    return GetGenericProperty<std::string>(pimpl->mStringProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a configuration property
+const aiMatrix4x4 Importer::GetPropertyMatrix(const char* szName,
+    const aiMatrix4x4& iErrorReturn /*= aiMatrix4x4()*/) const
+{
+    return GetGenericProperty<aiMatrix4x4>(pimpl->mMatrixProperties,szName,iErrorReturn);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the memory requirements of a single node
+inline void AddNodeWeight(unsigned int& iScene,const aiNode* pcNode)
+{
+    iScene += sizeof(aiNode);
+    iScene += sizeof(unsigned int) * pcNode->mNumMeshes;
+    iScene += sizeof(void*) * pcNode->mNumChildren;
+
+    for (unsigned int i = 0; i < pcNode->mNumChildren;++i) {
+        AddNodeWeight(iScene,pcNode->mChildren[i]);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the memory requirements of the scene
+void Importer::GetMemoryRequirements(aiMemoryInfo& in) const
+{
+    in = aiMemoryInfo();
+    aiScene* mScene = pimpl->mScene;
+
+    // return if we have no scene loaded
+    if (!pimpl->mScene)
+        return;
+
+
+    in.total = sizeof(aiScene);
+
+    // add all meshes
+    for (unsigned int i = 0; i < mScene->mNumMeshes;++i)
+    {
+        in.meshes += sizeof(aiMesh);
+        if (mScene->mMeshes[i]->HasPositions()) {
+            in.meshes += sizeof(aiVector3D) * mScene->mMeshes[i]->mNumVertices;
+        }
+
+        if (mScene->mMeshes[i]->HasNormals()) {
+            in.meshes += sizeof(aiVector3D) * mScene->mMeshes[i]->mNumVertices;
+        }
+
+        if (mScene->mMeshes[i]->HasTangentsAndBitangents()) {
+            in.meshes += sizeof(aiVector3D) * mScene->mMeshes[i]->mNumVertices * 2;
+        }
+
+        for (unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS;++a) {
+            if (mScene->mMeshes[i]->HasVertexColors(a)) {
+                in.meshes += sizeof(aiColor4D) * mScene->mMeshes[i]->mNumVertices;
+            }
+            else break;
+        }
+        for (unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS;++a) {
+            if (mScene->mMeshes[i]->HasTextureCoords(a)) {
+                in.meshes += sizeof(aiVector3D) * mScene->mMeshes[i]->mNumVertices;
+            }
+            else break;
+        }
+        if (mScene->mMeshes[i]->HasBones()) {
+            in.meshes += sizeof(void*) * mScene->mMeshes[i]->mNumBones;
+            for (unsigned int p = 0; p < mScene->mMeshes[i]->mNumBones;++p) {
+                in.meshes += sizeof(aiBone);
+                in.meshes += mScene->mMeshes[i]->mBones[p]->mNumWeights * sizeof(aiVertexWeight);
+            }
+        }
+        in.meshes += (sizeof(aiFace) + 3 * sizeof(unsigned int))*mScene->mMeshes[i]->mNumFaces;
+    }
+    in.total += in.meshes;
+
+    // add all embedded textures
+    for (unsigned int i = 0; i < mScene->mNumTextures;++i) {
+        const aiTexture* pc = mScene->mTextures[i];
+        in.textures += sizeof(aiTexture);
+        if (pc->mHeight) {
+            in.textures += 4 * pc->mHeight * pc->mWidth;
+        }
+        else in.textures += pc->mWidth;
+    }
+    in.total += in.textures;
+
+    // add all animations
+    for (unsigned int i = 0; i < mScene->mNumAnimations;++i) {
+        const aiAnimation* pc = mScene->mAnimations[i];
+        in.animations += sizeof(aiAnimation);
+
+        // add all bone anims
+        for (unsigned int a = 0; a < pc->mNumChannels; ++a) {
+            const aiNodeAnim* pc2 = pc->mChannels[i];
+            in.animations += sizeof(aiNodeAnim);
+            in.animations += pc2->mNumPositionKeys * sizeof(aiVectorKey);
+            in.animations += pc2->mNumScalingKeys * sizeof(aiVectorKey);
+            in.animations += pc2->mNumRotationKeys * sizeof(aiQuatKey);
+        }
+    }
+    in.total += in.animations;
+
+    // add all cameras and all lights
+    in.total += in.cameras = sizeof(aiCamera) *  mScene->mNumCameras;
+    in.total += in.lights  = sizeof(aiLight)  *  mScene->mNumLights;
+
+    // add all nodes
+    AddNodeWeight(in.nodes,mScene->mRootNode);
+    in.total += in.nodes;
+
+    // add all materials
+    for (unsigned int i = 0; i < mScene->mNumMaterials;++i) {
+        const aiMaterial* pc = mScene->mMaterials[i];
+        in.materials += sizeof(aiMaterial);
+        in.materials += pc->mNumAllocated * sizeof(void*);
+
+        for (unsigned int a = 0; a < pc->mNumProperties;++a) {
+            in.materials += pc->mProperties[a]->mDataLength;
+        }
+    }
+    in.total += in.materials;
+}
diff --git a/thirdparty/assimp/code/Importer.h b/thirdparty/assimp/code/Importer.h
new file mode 100644
index 0000000000..a439d99c2f
--- /dev/null
+++ b/thirdparty/assimp/code/Importer.h
@@ -0,0 +1,247 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Importer.h mostly internal stuff for use by #Assimp::Importer */
+#pragma once
+#ifndef INCLUDED_AI_IMPORTER_H
+#define INCLUDED_AI_IMPORTER_H
+
+#include <map>
+#include <vector>
+#include <string>
+#include <assimp/matrix4x4.h>
+
+struct aiScene;
+
+namespace Assimp    {
+    class ProgressHandler;
+    class IOSystem;
+    class BaseImporter;
+    class BaseProcess;
+    class SharedPostProcessInfo;
+
+
+//! @cond never
+// ---------------------------------------------------------------------------
+/** @brief Internal PIMPL implementation for Assimp::Importer
+ *
+ *  Using this idiom here allows us to drop the dependency from
+ *  std::vector and std::map in the public headers. Furthermore we are dropping
+ *  any STL interface problems caused by mismatching STL settings. All
+ *  size calculation are now done by us, not the app heap. */
+class ImporterPimpl {
+public:
+    // Data type to store the key hash
+    typedef unsigned int KeyType;
+
+    // typedefs for our four configuration maps.
+    // We don't need more, so there is no need for a generic solution
+    typedef std::map<KeyType, int> IntPropertyMap;
+    typedef std::map<KeyType, ai_real> FloatPropertyMap;
+    typedef std::map<KeyType, std::string> StringPropertyMap;
+    typedef std::map<KeyType, aiMatrix4x4> MatrixPropertyMap;
+
+    /** IO handler to use for all file accesses. */
+    IOSystem* mIOHandler;
+    bool mIsDefaultHandler;
+
+    /** Progress handler for feedback. */
+    ProgressHandler* mProgressHandler;
+    bool mIsDefaultProgressHandler;
+
+    /** Format-specific importer worker objects - one for each format we can read.*/
+    std::vector< BaseImporter* > mImporter;
+
+    /** Post processing steps we can apply at the imported data. */
+    std::vector< BaseProcess* > mPostProcessingSteps;
+
+    /** The imported data, if ReadFile() was successful, NULL otherwise. */
+    aiScene* mScene;
+
+    /** The error description, if there was one. */
+    std::string mErrorString;
+
+    /** List of integer properties */
+    IntPropertyMap mIntProperties;
+
+    /** List of floating-point properties */
+    FloatPropertyMap mFloatProperties;
+
+    /** List of string properties */
+    StringPropertyMap mStringProperties;
+
+    /** List of Matrix properties */
+    MatrixPropertyMap mMatrixProperties;
+
+    /** Used for testing - extra verbose mode causes the ValidateDataStructure-Step
+     *  to be executed before and after every single post-process step */
+    bool bExtraVerbose;
+
+    /** Used by post-process steps to share data */
+    SharedPostProcessInfo* mPPShared;
+
+    /// The default class constructor.
+    ImporterPimpl() AI_NO_EXCEPT;
+};
+
+inline
+ImporterPimpl::ImporterPimpl() AI_NO_EXCEPT
+: mIOHandler( nullptr )
+, mIsDefaultHandler( false )
+, mProgressHandler( nullptr )
+, mIsDefaultProgressHandler( false )
+, mImporter()
+, mPostProcessingSteps()
+, mScene( nullptr )
+, mErrorString()
+, mIntProperties()
+, mFloatProperties()
+, mStringProperties()
+, mMatrixProperties()
+, bExtraVerbose( false )
+, mPPShared( nullptr ) {
+    // empty
+}
+//! @endcond
+
+
+struct BatchData;
+
+// ---------------------------------------------------------------------------
+/** FOR IMPORTER PLUGINS ONLY: A helper class to the pleasure of importers
+ *  that need to load many external meshes recursively.
+ *
+ *  The class uses several threads to load these meshes (or at least it
+ *  could, this has not yet been implemented at the moment).
+ *
+ *  @note The class may not be used by more than one thread*/
+class ASSIMP_API BatchLoader
+{
+    // friend of Importer
+
+public:
+    //! @cond never
+    // -------------------------------------------------------------------
+    /** Wraps a full list of configuration properties for an importer.
+     *  Properties can be set using SetGenericProperty */
+    struct PropertyMap
+    {
+        ImporterPimpl::IntPropertyMap     ints;
+        ImporterPimpl::FloatPropertyMap   floats;
+        ImporterPimpl::StringPropertyMap  strings;
+        ImporterPimpl::MatrixPropertyMap  matrices;
+
+        bool operator == (const PropertyMap& prop) const {
+            // fixme: really isocpp? gcc complains
+            return ints == prop.ints && floats == prop.floats && strings == prop.strings && matrices == prop.matrices;
+        }
+
+        bool empty () const {
+            return ints.empty() && floats.empty() && strings.empty() && matrices.empty();
+        }
+    };
+    //! @endcond
+
+public:
+    // -------------------------------------------------------------------
+    /** Construct a batch loader from a given IO system to be used
+     *  to access external files 
+     */
+    explicit BatchLoader(IOSystem* pIO, bool validate = false );
+
+    // -------------------------------------------------------------------
+    /** The class destructor.
+     */
+    ~BatchLoader();
+
+    // -------------------------------------------------------------------
+    /** Sets the validation step. True for enable validation during postprocess.
+     *  @param  enable  True for validation.
+     */
+    void setValidation( bool enabled );
+    
+    // -------------------------------------------------------------------
+    /** Returns the current validation step.
+     *  @return The current validation step.
+     */
+    bool getValidation() const;
+    
+    // -------------------------------------------------------------------
+    /** Add a new file to the list of files to be loaded.
+     *  @param file File to be loaded
+     *  @param steps Post-processing steps to be executed on the file
+     *  @param map Optional configuration properties
+     *  @return 'Load request channel' - an unique ID that can later
+     *    be used to access the imported file data.
+     *  @see GetImport */
+    unsigned int AddLoadRequest (
+        const std::string& file,
+        unsigned int steps = 0,
+        const PropertyMap* map = NULL
+        );
+
+    // -------------------------------------------------------------------
+    /** Get an imported scene.
+     *  This polls the import from the internal request list.
+     *  If an import is requested several times, this function
+     *  can be called several times, too.
+     *
+     *  @param which LRWC returned by AddLoadRequest().
+     *  @return NULL if there is no scene with this file name
+     *  in the queue of the scene hasn't been loaded yet. */
+    aiScene* GetImport(
+        unsigned int which
+        );
+
+    // -------------------------------------------------------------------
+    /** Waits until all scenes have been loaded. This returns
+     *  immediately if no scenes are queued.*/
+    void LoadAll();
+
+private:
+    // No need to have that in the public API ...
+    BatchData *m_data;
+};
+
+} // Namespace Assimp
+
+#endif // INCLUDED_AI_IMPORTER_H
diff --git a/thirdparty/assimp/code/ImporterRegistry.cpp b/thirdparty/assimp/code/ImporterRegistry.cpp
new file mode 100644
index 0000000000..747815fa6f
--- /dev/null
+++ b/thirdparty/assimp/code/ImporterRegistry.cpp
@@ -0,0 +1,371 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file ImporterRegistry.cpp
+
+Central registry for all importers available. Do not edit this file
+directly (unless you are adding new loaders), instead use the
+corresponding preprocessor flag to selectively disable formats.
+*/
+
+#include <vector>
+#include <assimp/BaseImporter.h>
+
+// ------------------------------------------------------------------------------------------------
+// Importers
+// (include_new_importers_here)
+// ------------------------------------------------------------------------------------------------
+#ifndef ASSIMP_BUILD_NO_X_IMPORTER
+#   include "XFileImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER
+#   include "AMFImporter.hpp"
+#endif
+#ifndef ASSIMP_BUILD_NO_3DS_IMPORTER
+#   include "3DSLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MD3_IMPORTER
+#   include "MD3Loader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MDL_IMPORTER
+#   include "MDLLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MD2_IMPORTER
+#   include "MD2Loader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_PLY_IMPORTER
+#   include "PlyLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_ASE_IMPORTER
+#   include "ASELoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OBJ_IMPORTER
+#   include "ObjFileImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_HMP_IMPORTER
+#   include "HMPLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_SMD_IMPORTER
+#   include "SMDLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MDC_IMPORTER
+#   include "MDCLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MD5_IMPORTER
+#   include "MD5Loader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_STL_IMPORTER
+#   include "STLLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_LWO_IMPORTER
+#   include "LWOLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_DXF_IMPORTER
+#   include "DXFLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_NFF_IMPORTER
+#   include "NFFLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_RAW_IMPORTER
+#   include "RawLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_SIB_IMPORTER
+#   include "SIBImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OFF_IMPORTER
+#   include "OFFLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_AC_IMPORTER
+#   include "ACLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_BVH_IMPORTER
+#   include "BVHLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_IRRMESH_IMPORTER
+#   include "IRRMeshLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_IRR_IMPORTER
+#   include "IRRLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_Q3D_IMPORTER
+#   include "Q3DLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_B3D_IMPORTER
+#   include "B3DImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_COLLADA_IMPORTER
+#   include "ColladaLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_TERRAGEN_IMPORTER
+#   include "TerragenLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_CSM_IMPORTER
+#   include "CSMLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_3D_IMPORTER
+#   include "UnrealLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_LWS_IMPORTER
+#   include "LWSLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER
+#   include "OgreImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OPENGEX_IMPORTER
+#   include "OpenGEXImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_MS3D_IMPORTER
+#   include "MS3DLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_COB_IMPORTER
+#   include "COBLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_BLEND_IMPORTER
+#   include "BlenderLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
+#   include "Q3BSPFileImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_NDO_IMPORTER
+#   include "NDOLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_IFC_IMPORTER
+#   include "Importer/IFC/IFCLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_XGL_IMPORTER
+#   include "XGLLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+#   include "FBXImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_ASSBIN_IMPORTER
+#   include "AssbinLoader.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER
+#   include "glTFImporter.h"
+#   include "glTF2Importer.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_C4D_IMPORTER
+#   include "C4DImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
+#   include "D3MFImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
+#   include "X3DImporter.hpp"
+#endif
+#ifndef ASSIMP_BUILD_NO_MMD_IMPORTER
+#   include "MMDImporter.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_STEP_IMPORTER
+#   include "Importer/StepFile/StepFileImporter.h"
+#endif
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+void GetImporterInstanceList(std::vector< BaseImporter* >& out)
+{
+    // ----------------------------------------------------------------------------
+    // Add an instance of each worker class here
+    // (register_new_importers_here)
+    // ----------------------------------------------------------------------------
+    out.reserve(64);
+#if (!defined ASSIMP_BUILD_NO_X_IMPORTER)
+    out.push_back( new XFileImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OBJ_IMPORTER)
+    out.push_back( new ObjFileImporter());
+#endif
+#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER
+	out.push_back( new AMFImporter() );
+#endif
+#if (!defined ASSIMP_BUILD_NO_3DS_IMPORTER)
+    out.push_back( new Discreet3DSImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_MD3_IMPORTER)
+    out.push_back( new MD3Importer());
+#endif
+#if (!defined ASSIMP_BUILD_NO_MD2_IMPORTER)
+    out.push_back( new MD2Importer());
+#endif
+#if (!defined ASSIMP_BUILD_NO_PLY_IMPORTER)
+    out.push_back( new PLYImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_MDL_IMPORTER)
+    out.push_back( new MDLImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_ASE_IMPORTER)
+  #if (!defined ASSIMP_BUILD_NO_3DS_IMPORTER)
+    out.push_back( new ASEImporter());
+#  endif
+#endif
+#if (!defined ASSIMP_BUILD_NO_HMP_IMPORTER)
+    out.push_back( new HMPImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_SMD_IMPORTER)
+    out.push_back( new SMDImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_MDC_IMPORTER)
+    out.push_back( new MDCImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_MD5_IMPORTER)
+    out.push_back( new MD5Importer());
+#endif
+#if (!defined ASSIMP_BUILD_NO_STL_IMPORTER)
+    out.push_back( new STLImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_LWO_IMPORTER)
+    out.push_back( new LWOImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_DXF_IMPORTER)
+    out.push_back( new DXFImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_NFF_IMPORTER)
+    out.push_back( new NFFImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_RAW_IMPORTER)
+    out.push_back( new RAWImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_SIB_IMPORTER)
+    out.push_back( new SIBImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OFF_IMPORTER)
+    out.push_back( new OFFImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_AC_IMPORTER)
+    out.push_back( new AC3DImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_BVH_IMPORTER)
+    out.push_back( new BVHLoader());
+#endif
+#if (!defined ASSIMP_BUILD_NO_IRRMESH_IMPORTER)
+    out.push_back( new IRRMeshImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_IRR_IMPORTER)
+    out.push_back( new IRRImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_Q3D_IMPORTER)
+    out.push_back( new Q3DImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_B3D_IMPORTER)
+    out.push_back( new B3DImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_COLLADA_IMPORTER)
+    out.push_back( new ColladaLoader());
+#endif
+#if (!defined ASSIMP_BUILD_NO_TERRAGEN_IMPORTER)
+    out.push_back( new TerragenImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_CSM_IMPORTER)
+    out.push_back( new CSMImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_3D_IMPORTER)
+    out.push_back( new UnrealImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_LWS_IMPORTER)
+    out.push_back( new LWSImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OGRE_IMPORTER)
+    out.push_back( new Ogre::OgreImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OPENGEX_IMPORTER )
+    out.push_back( new OpenGEX::OpenGEXImporter() );
+#endif
+#if (!defined ASSIMP_BUILD_NO_MS3D_IMPORTER)
+    out.push_back( new MS3DImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_COB_IMPORTER)
+    out.push_back( new COBImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_BLEND_IMPORTER)
+    out.push_back( new BlenderImporter());
+#endif
+#if (!defined ASSIMP_BUILD_NO_Q3BSP_IMPORTER)
+    out.push_back( new Q3BSPFileImporter() );
+#endif
+#if (!defined ASSIMP_BUILD_NO_NDO_IMPORTER)
+    out.push_back( new NDOImporter() );
+#endif
+#if (!defined ASSIMP_BUILD_NO_IFC_IMPORTER)
+    out.push_back( new IFCImporter() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_XGL_IMPORTER )
+    out.push_back( new XGLImporter() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_FBX_IMPORTER )
+    out.push_back( new FBXImporter() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_ASSBIN_IMPORTER )
+    out.push_back( new AssbinImporter() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_GLTF_IMPORTER )
+    out.push_back( new glTFImporter() );
+    out.push_back( new glTF2Importer() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_C4D_IMPORTER )
+    out.push_back( new C4DImporter() );
+#endif
+#if ( !defined ASSIMP_BUILD_NO_3MF_IMPORTER )
+    out.push_back( new D3MFImporter() );
+#endif
+#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
+    out.push_back( new X3DImporter() );
+#endif
+#ifndef ASSIMP_BUILD_NO_MMD_IMPORTER
+    out.push_back( new MMDImporter() );
+#endif
+#ifndef ASSIMP_BUILD_NO_STEP_IMPORTER
+    out.push_back(new StepFile::StepFileImporter());
+#endif
+}
+
+/** will delete all registered importers. */
+void DeleteImporterInstanceList(std::vector< BaseImporter* >& deleteList){
+	for(size_t i= 0; i<deleteList.size();++i){
+		delete deleteList[i];
+		deleteList[i]=NULL;
+	}//for
+}
+
+} // namespace Assimp
diff --git a/thirdparty/assimp/code/ImproveCacheLocality.cpp b/thirdparty/assimp/code/ImproveCacheLocality.cpp
new file mode 100644
index 0000000000..ace9d95ff8
--- /dev/null
+++ b/thirdparty/assimp/code/ImproveCacheLocality.cpp
@@ -0,0 +1,386 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to improve the cache locality of a mesh.
+ * <br>
+ * The algorithm is roughly basing on this paper:
+ * http://www.cs.princeton.edu/gfx/pubs/Sander_2007_%3ETR/tipsy.pdf
+ *   .. although overdraw rduction isn't implemented yet ...
+ */
+
+
+
+// internal headers
+#include "ImproveCacheLocality.h"
+#include "VertexTriangleAdjacency.h"
+#include <assimp/StringUtils.h>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+#include <stdio.h>
+#include <stack>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+ImproveCacheLocalityProcess::ImproveCacheLocalityProcess() {
+    configCacheDepth = PP_ICL_PTCACHE_SIZE;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+ImproveCacheLocalityProcess::~ImproveCacheLocalityProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool ImproveCacheLocalityProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_ImproveCacheLocality) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup configuration
+void ImproveCacheLocalityProcess::SetupProperties(const Importer* pImp)
+{
+    // AI_CONFIG_PP_ICL_PTCACHE_SIZE controls the target cache size for the optimizer
+    configCacheDepth = pImp->GetPropertyInteger(AI_CONFIG_PP_ICL_PTCACHE_SIZE,PP_ICL_PTCACHE_SIZE);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void ImproveCacheLocalityProcess::Execute( aiScene* pScene)
+{
+    if (!pScene->mNumMeshes) {
+        ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess skipped; there are no meshes");
+        return;
+    }
+
+    ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess begin");
+
+    float out = 0.f;
+    unsigned int numf = 0, numm = 0;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++){
+        const float res = ProcessMesh( pScene->mMeshes[a],a);
+        if (res) {
+            numf += pScene->mMeshes[a]->mNumFaces;
+            out  += res;
+            ++numm;
+        }
+    }
+    if (!DefaultLogger::isNullLogger()) {
+        if (numf > 0) {
+            ASSIMP_LOG_INFO_F("Cache relevant are ", numm, " meshes (", numf, " faces). Average output ACMR is ", out / numf);
+        }
+        ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess finished. ");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Improves the cache coherency of a specific mesh
+float ImproveCacheLocalityProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshNum)
+{
+    // TODO: rewrite this to use std::vector or boost::shared_array
+    ai_assert(NULL != pMesh);
+
+    // Check whether the input data is valid
+    // - there must be vertices and faces
+    // - all faces must be triangulated or we can't operate on them
+    if (!pMesh->HasFaces() || !pMesh->HasPositions())
+        return 0.f;
+
+    if (pMesh->mPrimitiveTypes != aiPrimitiveType_TRIANGLE) {
+        ASSIMP_LOG_ERROR("This algorithm works on triangle meshes only");
+        return 0.f;
+    }
+
+    if(pMesh->mNumVertices <= configCacheDepth) {
+        return 0.f;
+    }
+
+    float fACMR = 3.f;
+    const aiFace* const pcEnd = pMesh->mFaces+pMesh->mNumFaces;
+
+    // Input ACMR is for logging purposes only
+    if (!DefaultLogger::isNullLogger())     {
+
+        unsigned int* piFIFOStack = new unsigned int[configCacheDepth];
+        memset(piFIFOStack,0xff,configCacheDepth*sizeof(unsigned int));
+        unsigned int* piCur = piFIFOStack;
+        const unsigned int* const piCurEnd = piFIFOStack + configCacheDepth;
+
+        // count the number of cache misses
+        unsigned int iCacheMisses = 0;
+        for (const aiFace* pcFace = pMesh->mFaces;pcFace != pcEnd;++pcFace) {
+
+            for (unsigned int qq = 0; qq < 3;++qq) {
+                bool bInCache = false;
+
+                for (unsigned int* pp = piFIFOStack;pp < piCurEnd;++pp) {
+                    if (*pp == pcFace->mIndices[qq])    {
+                        // the vertex is in cache
+                        bInCache = true;
+                        break;
+                    }
+                }
+                if (!bInCache)  {
+                    ++iCacheMisses;
+                    if (piCurEnd == piCur) {
+                        piCur = piFIFOStack;
+                    }
+                    *piCur++ = pcFace->mIndices[qq];
+                }
+            }
+        }
+        delete[] piFIFOStack;
+        fACMR = (float)iCacheMisses / pMesh->mNumFaces;
+        if (3.0 == fACMR)   {
+            char szBuff[128]; // should be sufficiently large in every case
+
+            // the JoinIdenticalVertices process has not been executed on this
+            // mesh, otherwise this value would normally be at least minimally
+            // smaller than 3.0 ...
+            ai_snprintf(szBuff,128,"Mesh %u: Not suitable for vcache optimization",meshNum);
+            ASSIMP_LOG_WARN(szBuff);
+            return 0.f;
+        }
+    }
+
+    // first we need to build a vertex-triangle adjacency list
+    VertexTriangleAdjacency adj(pMesh->mFaces,pMesh->mNumFaces, pMesh->mNumVertices,true);
+
+    // build a list to store per-vertex caching time stamps
+    unsigned int* const piCachingStamps = new unsigned int[pMesh->mNumVertices];
+    memset(piCachingStamps,0x0,pMesh->mNumVertices*sizeof(unsigned int));
+
+    // allocate an empty output index buffer. We store the output indices in one large array.
+    // Since the number of triangles won't change the input faces can be reused. This is how
+    // we save thousands of redundant mini allocations for aiFace::mIndices
+    const unsigned int iIdxCnt = pMesh->mNumFaces*3;
+    unsigned int* const piIBOutput = new unsigned int[iIdxCnt];
+    unsigned int* piCSIter = piIBOutput;
+
+    // allocate the flag array to hold the information
+    // whether a face has already been emitted or not
+    std::vector<bool> abEmitted(pMesh->mNumFaces,false);
+
+    // dead-end vertex index stack
+    std::stack<unsigned int, std::vector<unsigned int> > sDeadEndVStack;
+
+    // create a copy of the piNumTriPtr buffer
+    unsigned int* const piNumTriPtr = adj.mLiveTriangles;
+    const std::vector<unsigned int> piNumTriPtrNoModify(piNumTriPtr, piNumTriPtr + pMesh->mNumVertices);
+
+    // get the largest number of referenced triangles and allocate the "candidate buffer"
+    unsigned int iMaxRefTris = 0; {
+        const unsigned int* piCur = adj.mLiveTriangles;
+        const unsigned int* const piCurEnd = adj.mLiveTriangles+pMesh->mNumVertices;
+        for (;piCur != piCurEnd;++piCur) {
+            iMaxRefTris = std::max(iMaxRefTris,*piCur);
+        }
+    }
+    ai_assert(iMaxRefTris > 0);
+    unsigned int* piCandidates = new unsigned int[iMaxRefTris*3];
+    unsigned int iCacheMisses = 0;
+
+    // ...................................................................................
+    /** PSEUDOCODE for the algorithm
+
+        A = Build-Adjacency(I) Vertex-triangle adjacency
+        L = Get-Triangle-Counts(A) Per-vertex live triangle counts
+        C = Zero(Vertex-Count(I)) Per-vertex caching time stamps
+        D = Empty-Stack() Dead-end vertex stack
+        E = False(Triangle-Count(I)) Per triangle emitted flag
+        O = Empty-Index-Buffer() Empty output buffer
+        f = 0 Arbitrary starting vertex
+        s = k+1, i = 1 Time stamp and cursor
+        while f >= 0 For all valid fanning vertices
+            N = Empty-Set() 1-ring of next candidates
+            for each Triangle t in Neighbors(A, f)
+                if !Emitted(E,t)
+                    for each Vertex v in t
+                        Append(O,v) Output vertex
+                        Push(D,v) Add to dead-end stack
+                        Insert(N,v) Register as candidate
+                        L[v] = L[v]-1 Decrease live triangle count
+                        if s-C[v] > k If not in cache
+                            C[v] = s Set time stamp
+                            s = s+1 Increment time stamp
+                    E[t] = true Flag triangle as emitted
+            Select next fanning vertex
+            f = Get-Next-Vertex(I,i,k,N,C,s,L,D)
+        return O
+        */
+    // ...................................................................................
+
+    int ivdx = 0;
+    int ics = 1;
+    int iStampCnt = configCacheDepth+1;
+    while (ivdx >= 0)   {
+
+        unsigned int icnt = piNumTriPtrNoModify[ivdx];
+        unsigned int* piList = adj.GetAdjacentTriangles(ivdx);
+        unsigned int* piCurCandidate = piCandidates;
+
+        // get all triangles in the neighborhood
+        for (unsigned int tri = 0; tri < icnt;++tri)    {
+
+            // if they have not yet been emitted, add them to the output IB
+            const unsigned int fidx = *piList++;
+            if (!abEmitted[fidx])   {
+
+                // so iterate through all vertices of the current triangle
+                const aiFace* pcFace = &pMesh->mFaces[ fidx ];
+                unsigned nind = pcFace->mNumIndices;
+                for (unsigned ind = 0; ind < nind; ind++) {
+                    unsigned dp = pcFace->mIndices[ind];
+
+                    // the current vertex won't have any free triangles after this step
+                    if (ivdx != (int)dp) {
+                        // append the vertex to the dead-end stack
+                        sDeadEndVStack.push(dp);
+
+                        // register as candidate for the next step
+                        *piCurCandidate++ = dp;
+
+                        // decrease the per-vertex triangle counts
+                        piNumTriPtr[dp]--;
+                    }
+
+                    // append the vertex to the output index buffer
+                    *piCSIter++ = dp;
+
+                    // if the vertex is not yet in cache, set its cache count
+                    if (iStampCnt-piCachingStamps[dp] > configCacheDepth) {
+                        piCachingStamps[dp] = iStampCnt++;
+                        ++iCacheMisses;
+                    }
+                }
+                // flag triangle as emitted
+                abEmitted[fidx] = true;
+            }
+        }
+
+        // the vertex has now no living adjacent triangles anymore
+        piNumTriPtr[ivdx] = 0;
+
+        // get next fanning vertex
+        ivdx = -1;
+        int max_priority = -1;
+        for (unsigned int* piCur = piCandidates;piCur != piCurCandidate;++piCur)    {
+            const unsigned int dp = *piCur;
+
+            // must have live triangles
+            if (piNumTriPtr[dp] > 0)    {
+                int priority = 0;
+
+                // will the vertex be in cache, even after fanning occurs?
+                unsigned int tmp;
+                if ((tmp = iStampCnt-piCachingStamps[dp]) + 2*piNumTriPtr[dp] <= configCacheDepth) {
+                    priority = tmp;
+                }
+
+                // keep best candidate
+                if (priority > max_priority) {
+                    max_priority = priority;
+                    ivdx = dp;
+                }
+            }
+        }
+        // did we reach a dead end?
+        if (-1 == ivdx) {
+            // need to get a non-local vertex for which we have a good chance that it is still
+            // in the cache ...
+            while (!sDeadEndVStack.empty()) {
+                unsigned int iCachedIdx = sDeadEndVStack.top();
+                sDeadEndVStack.pop();
+                if (piNumTriPtr[ iCachedIdx ] > 0)  {
+                    ivdx = iCachedIdx;
+                    break;
+                }
+            }
+
+            if (-1 == ivdx) {
+                // well, there isn't such a vertex. Simply get the next vertex in input order and
+                // hope it is not too bad ...
+                while (ics < (int)pMesh->mNumVertices)  {
+                    ++ics;
+                    if (piNumTriPtr[ics] > 0)   {
+                        ivdx = ics;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    float fACMR2 = 0.0f;
+    if (!DefaultLogger::isNullLogger()) {
+        fACMR2 = (float)iCacheMisses / pMesh->mNumFaces;
+
+        // very intense verbose logging ... prepare for much text if there are many meshes
+        if ( DefaultLogger::get()->getLogSeverity() == Logger::VERBOSE) {
+            ASSIMP_LOG_DEBUG_F("Mesh %u | ACMR in: ", meshNum, " out: ", fACMR, " | ~", fACMR2, ((fACMR - fACMR2) / fACMR) * 100.f);
+        }
+
+        fACMR2 *= pMesh->mNumFaces;
+    }
+    // sort the output index buffer back to the input array
+    piCSIter = piIBOutput;
+    for (aiFace* pcFace = pMesh->mFaces; pcFace != pcEnd;++pcFace)  {
+        unsigned nind = pcFace->mNumIndices;
+        unsigned * ind = pcFace->mIndices;
+        if (nind > 0) ind[0] = *piCSIter++;
+        if (nind > 1) ind[1] = *piCSIter++;
+        if (nind > 2) ind[2] = *piCSIter++;
+    }
+
+    // delete temporary storage
+    delete[] piCachingStamps;
+    delete[] piIBOutput;
+    delete[] piCandidates;
+
+    return fACMR2;
+}
diff --git a/thirdparty/assimp/code/ImproveCacheLocality.h b/thirdparty/assimp/code/ImproveCacheLocality.h
new file mode 100644
index 0000000000..1b29ee0d6e
--- /dev/null
+++ b/thirdparty/assimp/code/ImproveCacheLocality.h
@@ -0,0 +1,100 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to reorder faces for
+ better cache locality*/
+#ifndef AI_IMPROVECACHELOCALITY_H_INC
+#define AI_IMPROVECACHELOCALITY_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/types.h>
+
+struct aiMesh;
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The ImproveCacheLocalityProcess reorders all faces for improved vertex
+ *  cache locality. It tries to arrange all faces to fans and to render
+ *  faces which share vertices directly one after the other.
+ *
+ *  @note This step expects triagulated input data.
+ */
+class ImproveCacheLocalityProcess : public BaseProcess
+{
+public:
+
+    ImproveCacheLocalityProcess();
+    ~ImproveCacheLocalityProcess();
+
+public:
+
+    // -------------------------------------------------------------------
+    // Check whether the pp step is active
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Executes the pp step on a given scene
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    // Configures the pp step
+    void SetupProperties(const Importer* pImp);
+
+protected:
+    // -------------------------------------------------------------------
+    /** Executes the postprocessing step on the given mesh
+     * @param pMesh The mesh to process.
+     * @param meshNum Index of the mesh to process
+     */
+    float ProcessMesh( aiMesh* pMesh, unsigned int meshNum);
+
+private:
+    //! Configuration parameter: specifies the size of the cache to
+    //! optimize the vertex data for.
+    unsigned int configCacheDepth;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_IMPROVECACHELOCALITY_H_INC
diff --git a/thirdparty/assimp/code/JoinVerticesProcess.cpp b/thirdparty/assimp/code/JoinVerticesProcess.cpp
new file mode 100644
index 0000000000..914ec05b46
--- /dev/null
+++ b/thirdparty/assimp/code/JoinVerticesProcess.cpp
@@ -0,0 +1,463 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the post processing step to join identical vertices
+ * for all imported meshes
+ */
+
+
+#ifndef ASSIMP_BUILD_NO_JOINVERTICES_PROCESS
+
+#include "JoinVerticesProcess.h"
+#include "ProcessHelper.h"
+#include <assimp/Vertex.h>
+#include <assimp/TinyFormatter.h>
+#include <stdio.h>
+#include <unordered_set>
+
+using namespace Assimp;
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+JoinVerticesProcess::JoinVerticesProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+JoinVerticesProcess::~JoinVerticesProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool JoinVerticesProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_JoinIdenticalVertices) != 0;
+}
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void JoinVerticesProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("JoinVerticesProcess begin");
+
+    // get the total number of vertices BEFORE the step is executed
+    int iNumOldVertices = 0;
+    if (!DefaultLogger::isNullLogger()) {
+        for( unsigned int a = 0; a < pScene->mNumMeshes; a++)   {
+            iNumOldVertices +=  pScene->mMeshes[a]->mNumVertices;
+        }
+    }
+
+    // execute the step
+    int iNumVertices = 0;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
+        iNumVertices += ProcessMesh( pScene->mMeshes[a],a);
+
+    // if logging is active, print detailed statistics
+    if (!DefaultLogger::isNullLogger()) {
+        if (iNumOldVertices == iNumVertices) {
+            ASSIMP_LOG_DEBUG("JoinVerticesProcess finished ");
+        } else {
+            ASSIMP_LOG_INFO_F("JoinVerticesProcess finished | Verts in: ", iNumOldVertices,
+                " out: ", iNumVertices, " | ~",
+                ((iNumOldVertices - iNumVertices) / (float)iNumOldVertices) * 100.f );
+        }
+    }
+
+    pScene->mFlags |= AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+}
+
+namespace {
+
+bool areVerticesEqual(const Vertex &lhs, const Vertex &rhs, bool complex)
+{
+    // A little helper to find locally close vertices faster.
+    // Try to reuse the lookup table from the last step.
+    const static float epsilon = 1e-5f;
+    // Squared because we check against squared length of the vector difference
+    static const float squareEpsilon = epsilon * epsilon;
+
+    // Square compare is useful for animeshes vertices compare
+    if ((lhs.position - rhs.position).SquareLength() > squareEpsilon) {
+        return false;
+    }
+
+    // We just test the other attributes even if they're not present in the mesh.
+    // In this case they're initialized to 0 so the comparison succeeds.
+    // By this method the non-present attributes are effectively ignored in the comparison.
+    if ((lhs.normal - rhs.normal).SquareLength() > squareEpsilon) {
+        return false;
+    }
+
+    if ((lhs.texcoords[0] - rhs.texcoords[0]).SquareLength() > squareEpsilon) {
+        return false;
+    }
+
+    if ((lhs.tangent - rhs.tangent).SquareLength() > squareEpsilon) {
+        return false;
+    }
+
+    if ((lhs.bitangent - rhs.bitangent).SquareLength() > squareEpsilon) {
+        return false;
+    }
+
+    // Usually we won't have vertex colors or multiple UVs, so we can skip from here
+    // Actually this increases runtime performance slightly, at least if branch
+    // prediction is on our side.
+    if (complex) {
+        for (int i = 0; i < 8; i++) {
+            if (i > 0 && (lhs.texcoords[i] - rhs.texcoords[i]).SquareLength() > squareEpsilon) {
+                return false;
+            }
+            if (GetColorDifference(lhs.colors[i], rhs.colors[i]) > squareEpsilon) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+template<class XMesh>
+void updateXMeshVertices(XMesh *pMesh, std::vector<Vertex> &uniqueVertices) {
+    // replace vertex data with the unique data sets
+    pMesh->mNumVertices = (unsigned int)uniqueVertices.size();
+
+    // ----------------------------------------------------------------------------
+    // NOTE - we're *not* calling Vertex::SortBack() because it would check for
+    // presence of every single vertex component once PER VERTEX. And our CPU
+    // dislikes branches, even if they're easily predictable.
+    // ----------------------------------------------------------------------------
+
+    // Position, if present (check made for aiAnimMesh)
+    if (pMesh->mVertices)
+    {
+        delete [] pMesh->mVertices;
+        pMesh->mVertices = new aiVector3D[pMesh->mNumVertices];
+        for (unsigned int a = 0; a < pMesh->mNumVertices; a++) {
+            pMesh->mVertices[a] = uniqueVertices[a].position;
+        }
+    }
+
+    // Normals, if present
+    if (pMesh->mNormals)
+    {
+        delete [] pMesh->mNormals;
+        pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
+        for( unsigned int a = 0; a < pMesh->mNumVertices; a++) {
+            pMesh->mNormals[a] = uniqueVertices[a].normal;
+        }
+    }
+    // Tangents, if present
+    if (pMesh->mTangents)
+    {
+        delete [] pMesh->mTangents;
+        pMesh->mTangents = new aiVector3D[pMesh->mNumVertices];
+        for (unsigned int a = 0; a < pMesh->mNumVertices; a++) {
+            pMesh->mTangents[a] = uniqueVertices[a].tangent;
+        }
+    }
+    // Bitangents as well
+    if (pMesh->mBitangents)
+    {
+        delete [] pMesh->mBitangents;
+        pMesh->mBitangents = new aiVector3D[pMesh->mNumVertices];
+        for (unsigned int a = 0; a < pMesh->mNumVertices; a++) {
+            pMesh->mBitangents[a] = uniqueVertices[a].bitangent;
+        }
+    }
+    // Vertex colors
+    for (unsigned int a = 0; pMesh->HasVertexColors(a); a++)
+    {
+        delete [] pMesh->mColors[a];
+        pMesh->mColors[a] = new aiColor4D[pMesh->mNumVertices];
+        for( unsigned int b = 0; b < pMesh->mNumVertices; b++) {
+            pMesh->mColors[a][b] = uniqueVertices[b].colors[a];
+        }
+    }
+    // Texture coords
+    for (unsigned int a = 0; pMesh->HasTextureCoords(a); a++)
+    {
+        delete [] pMesh->mTextureCoords[a];
+        pMesh->mTextureCoords[a] = new aiVector3D[pMesh->mNumVertices];
+        for (unsigned int b = 0; b < pMesh->mNumVertices; b++) {
+            pMesh->mTextureCoords[a][b] = uniqueVertices[b].texcoords[a];
+        }
+    }
+}
+} // namespace
+
+// ------------------------------------------------------------------------------------------------
+// Unites identical vertices in the given mesh
+int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
+{
+    static_assert( AI_MAX_NUMBER_OF_COLOR_SETS    == 8, "AI_MAX_NUMBER_OF_COLOR_SETS    == 8");
+	static_assert( AI_MAX_NUMBER_OF_TEXTURECOORDS == 8, "AI_MAX_NUMBER_OF_TEXTURECOORDS == 8");
+
+    // Return early if we don't have any positions
+    if (!pMesh->HasPositions() || !pMesh->HasFaces()) {
+        return 0;
+    }
+
+    // We should care only about used vertices, not all of them
+    // (this can happen due to original file vertices buffer being used by
+    // multiple meshes)
+    std::unordered_set<unsigned int> usedVertexIndices;
+    usedVertexIndices.reserve(pMesh->mNumVertices);
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++)
+    {
+        aiFace& face = pMesh->mFaces[a];
+        for( unsigned int b = 0; b < face.mNumIndices; b++) {
+            usedVertexIndices.insert(face.mIndices[b]);
+        }
+    }
+
+    // We'll never have more vertices afterwards.
+    std::vector<Vertex> uniqueVertices;
+    uniqueVertices.reserve( pMesh->mNumVertices);
+
+    // For each vertex the index of the vertex it was replaced by.
+    // Since the maximal number of vertices is 2^31-1, the most significand bit can be used to mark
+    //  whether a new vertex was created for the index (true) or if it was replaced by an existing
+    //  unique vertex (false). This saves an additional std::vector<bool> and greatly enhances
+    //  branching performance.
+    static_assert(AI_MAX_VERTICES == 0x7fffffff, "AI_MAX_VERTICES == 0x7fffffff");
+    std::vector<unsigned int> replaceIndex( pMesh->mNumVertices, 0xffffffff);
+
+    // float posEpsilonSqr;
+    SpatialSort* vertexFinder = NULL;
+    SpatialSort _vertexFinder;
+
+    typedef std::pair<SpatialSort,float> SpatPair;
+    if (shared) {
+        std::vector<SpatPair >* avf;
+        shared->GetProperty(AI_SPP_SPATIAL_SORT,avf);
+        if (avf)    {
+            SpatPair& blubb = (*avf)[meshIndex];
+            vertexFinder  = &blubb.first;
+            // posEpsilonSqr = blubb.second;
+        }
+    }
+    if (!vertexFinder)  {
+        // bad, need to compute it.
+        _vertexFinder.Fill(pMesh->mVertices, pMesh->mNumVertices, sizeof( aiVector3D));
+        vertexFinder = &_vertexFinder;
+        // posEpsilonSqr = ComputePositionEpsilon(pMesh);
+    }
+
+    // Again, better waste some bytes than a realloc ...
+    std::vector<unsigned int> verticesFound;
+    verticesFound.reserve(10);
+
+    // Run an optimized code path if we don't have multiple UVs or vertex colors.
+    // This should yield false in more than 99% of all imports ...
+    const bool complex = ( pMesh->GetNumColorChannels() > 0 || pMesh->GetNumUVChannels() > 1);
+    const bool hasAnimMeshes = pMesh->mNumAnimMeshes > 0;
+
+    // We'll never have more vertices afterwards.
+    std::vector<std::vector<Vertex>> uniqueAnimatedVertices;
+    if (hasAnimMeshes) {
+        uniqueAnimatedVertices.resize(pMesh->mNumAnimMeshes);
+        for (unsigned int animMeshIndex = 0; animMeshIndex < pMesh->mNumAnimMeshes; animMeshIndex++) {
+            uniqueAnimatedVertices[animMeshIndex].reserve(pMesh->mNumVertices);
+        }
+    }
+
+    // Now check each vertex if it brings something new to the table
+    for( unsigned int a = 0; a < pMesh->mNumVertices; a++)  {
+        if (usedVertexIndices.find(a) == usedVertexIndices.end()) {
+            continue;
+        }
+
+        // collect the vertex data
+        Vertex v(pMesh,a);
+
+        // collect all vertices that are close enough to the given position
+        vertexFinder->FindIdenticalPositions( v.position, verticesFound);
+        unsigned int matchIndex = 0xffffffff;
+
+        // check all unique vertices close to the position if this vertex is already present among them
+        for( unsigned int b = 0; b < verticesFound.size(); b++) {
+            const unsigned int vidx = verticesFound[b];
+            const unsigned int uidx = replaceIndex[ vidx];
+            if( uidx & 0x80000000)
+                continue;
+
+            const Vertex& uv = uniqueVertices[ uidx];
+
+            if (!areVerticesEqual(v, uv, complex)) {
+                continue;
+            }
+
+            if (hasAnimMeshes) {
+                // If given vertex is animated, then it has to be preserver 1 to 1 (base mesh and animated mesh require same topology)
+                // NOTE: not doing this totaly breaks anim meshes as they don't have their own faces (they use pMesh->mFaces)
+                bool breaksAnimMesh = false;
+                for (unsigned int animMeshIndex = 0; animMeshIndex < pMesh->mNumAnimMeshes; animMeshIndex++) {
+                    const Vertex& animatedUV = uniqueAnimatedVertices[animMeshIndex][ uidx];
+                    Vertex aniMeshVertex(pMesh->mAnimMeshes[animMeshIndex], a);
+                    if (!areVerticesEqual(aniMeshVertex, animatedUV, complex)) {
+                        breaksAnimMesh = true;
+                        break;
+                    }
+                }
+                if (breaksAnimMesh) {
+                    continue;
+                }
+            }
+
+            // we're still here -> this vertex perfectly matches our given vertex
+            matchIndex = uidx;
+            break;
+        }
+
+        // found a replacement vertex among the uniques?
+        if( matchIndex != 0xffffffff)
+        {
+            // store where to found the matching unique vertex
+            replaceIndex[a] = matchIndex | 0x80000000;
+        }
+        else
+        {
+            // no unique vertex matches it up to now -> so add it
+            replaceIndex[a] = (unsigned int)uniqueVertices.size();
+            uniqueVertices.push_back( v);
+            if (hasAnimMeshes) {
+                for (unsigned int animMeshIndex = 0; animMeshIndex < pMesh->mNumAnimMeshes; animMeshIndex++) {
+                    Vertex aniMeshVertex(pMesh->mAnimMeshes[animMeshIndex], a);
+                    uniqueAnimatedVertices[animMeshIndex].push_back(aniMeshVertex);
+                }
+            }
+        }
+    }
+
+    if (!DefaultLogger::isNullLogger() && DefaultLogger::get()->getLogSeverity() == Logger::VERBOSE)    {
+        ASSIMP_LOG_DEBUG_F(
+            "Mesh ",meshIndex,
+            " (",
+            (pMesh->mName.length ? pMesh->mName.data : "unnamed"),
+            ") | Verts in: ",pMesh->mNumVertices,
+            " out: ",
+            uniqueVertices.size(),
+            " | ~",
+            ((pMesh->mNumVertices - uniqueVertices.size()) / (float)pMesh->mNumVertices) * 100.f,
+            "%"
+        );
+    }
+
+    updateXMeshVertices(pMesh, uniqueVertices);
+    if (hasAnimMeshes) {
+        for (unsigned int animMeshIndex = 0; animMeshIndex < pMesh->mNumAnimMeshes; animMeshIndex++) {
+            updateXMeshVertices(pMesh->mAnimMeshes[animMeshIndex], uniqueAnimatedVertices[animMeshIndex]);
+        }
+    }
+
+    // adjust the indices in all faces
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++)
+    {
+        aiFace& face = pMesh->mFaces[a];
+        for( unsigned int b = 0; b < face.mNumIndices; b++) {
+            face.mIndices[b] = replaceIndex[face.mIndices[b]] & ~0x80000000;
+        }
+    }
+
+    // adjust bone vertex weights.
+    for( int a = 0; a < (int)pMesh->mNumBones; a++) {
+        aiBone* bone = pMesh->mBones[a];
+        std::vector<aiVertexWeight> newWeights;
+        newWeights.reserve( bone->mNumWeights);
+
+        if ( NULL != bone->mWeights ) {
+            for ( unsigned int b = 0; b < bone->mNumWeights; b++ ) {
+                const aiVertexWeight& ow = bone->mWeights[ b ];
+                // if the vertex is a unique one, translate it
+                if ( !( replaceIndex[ ow.mVertexId ] & 0x80000000 ) ) {
+                    aiVertexWeight nw;
+                    nw.mVertexId = replaceIndex[ ow.mVertexId ];
+                    nw.mWeight = ow.mWeight;
+                    newWeights.push_back( nw );
+                }
+            }
+        } else {
+            ASSIMP_LOG_ERROR( "X-Export: aiBone shall contain weights, but pointer to them is NULL." );
+        }
+
+        if (newWeights.size() > 0) {
+            // kill the old and replace them with the translated weights
+            delete [] bone->mWeights;
+            bone->mNumWeights = (unsigned int)newWeights.size();
+
+            bone->mWeights = new aiVertexWeight[bone->mNumWeights];
+            memcpy( bone->mWeights, &newWeights[0], bone->mNumWeights * sizeof( aiVertexWeight));
+        }
+        else {
+
+            /*  NOTE:
+             *
+             *  In the algorithm above we're assuming that there are no vertices
+             *  with a different bone weight setup at the same position. That wouldn't
+             *  make sense, but it is not absolutely impossible. SkeletonMeshBuilder
+             *  for example generates such input data if two skeleton points
+             *  share the same position. Again this doesn't make sense but is
+             *  reality for some model formats (MD5 for example uses these special
+             *  nodes as attachment tags for its weapons).
+             *
+             *  Then it is possible that a bone has no weights anymore .... as a quick
+             *  workaround, we're just removing these bones. If they're animated,
+             *  model geometry might be modified but at least there's no risk of a crash.
+             */
+            delete bone;
+            --pMesh->mNumBones;
+            for (unsigned int n = a; n < pMesh->mNumBones; ++n)  {
+                pMesh->mBones[n] = pMesh->mBones[n+1];
+            }
+
+            --a;
+            ASSIMP_LOG_WARN("Removing bone -> no weights remaining");
+        }
+    }
+    return pMesh->mNumVertices;
+}
+
+#endif // !! ASSIMP_BUILD_NO_JOINVERTICES_PROCESS
diff --git a/thirdparty/assimp/code/JoinVerticesProcess.h b/thirdparty/assimp/code/JoinVerticesProcess.h
new file mode 100644
index 0000000000..66fa362de2
--- /dev/null
+++ b/thirdparty/assimp/code/JoinVerticesProcess.h
@@ -0,0 +1,99 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to join identical vertices
+    on all imported meshes.*/
+#ifndef AI_JOINVERTICESPROCESS_H_INC
+#define AI_JOINVERTICESPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/types.h>
+
+struct aiMesh;
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/** The JoinVerticesProcess unites identical vertices in all imported meshes.
+ * By default the importer returns meshes where each face addressed its own
+ * set of vertices even if that means that identical vertices are stored multiple
+ * times. The JoinVerticesProcess finds these identical vertices and
+ * erases all but one of the copies. This usually reduces the number of vertices
+ * in a mesh by a serious amount and is the standard form to render a mesh.
+ */
+class ASSIMP_API JoinVerticesProcess : public BaseProcess
+{
+public:
+    JoinVerticesProcess();
+    ~JoinVerticesProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+     * @param pFlags The processing flags the importer was called with. A bitwise
+     *   combination of #aiPostProcessSteps.
+     * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+public:
+    // -------------------------------------------------------------------
+    /** Unites identical vertices in the given mesh.
+     * @param pMesh The mesh to process.
+     * @param meshIndex Index of the mesh to process
+     */
+    int ProcessMesh( aiMesh* pMesh, unsigned int meshIndex);
+
+private:
+};
+
+} // end of namespace Assimp
+
+#endif // AI_CALCTANGENTSPROCESS_H_INC
diff --git a/thirdparty/assimp/code/LimitBoneWeightsProcess.cpp b/thirdparty/assimp/code/LimitBoneWeightsProcess.cpp
new file mode 100644
index 0000000000..d560f19287
--- /dev/null
+++ b/thirdparty/assimp/code/LimitBoneWeightsProcess.cpp
@@ -0,0 +1,201 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** Implementation of the LimitBoneWeightsProcess post processing step */
+
+
+#include "LimitBoneWeightsProcess.h"
+#include <assimp/StringUtils.h>
+#include <assimp/postprocess.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+#include <stdio.h>
+
+using namespace Assimp;
+
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+LimitBoneWeightsProcess::LimitBoneWeightsProcess()
+{
+    mMaxWeights = AI_LMW_MAX_WEIGHTS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+LimitBoneWeightsProcess::~LimitBoneWeightsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool LimitBoneWeightsProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_LimitBoneWeights) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void LimitBoneWeightsProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("LimitBoneWeightsProcess begin");
+    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a ) {
+        ProcessMesh(pScene->mMeshes[a]);
+    }
+
+    ASSIMP_LOG_DEBUG("LimitBoneWeightsProcess end");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void LimitBoneWeightsProcess::SetupProperties(const Importer* pImp)
+{
+    // get the current value of the property
+    this->mMaxWeights = pImp->GetPropertyInteger(AI_CONFIG_PP_LBW_MAX_WEIGHTS,AI_LMW_MAX_WEIGHTS);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Unites identical vertices in the given mesh
+void LimitBoneWeightsProcess::ProcessMesh( aiMesh* pMesh)
+{
+    if( !pMesh->HasBones())
+        return;
+
+    // collect all bone weights per vertex
+    typedef std::vector< std::vector< Weight > > WeightsPerVertex;
+    WeightsPerVertex vertexWeights( pMesh->mNumVertices);
+
+    // collect all weights per vertex
+    for( unsigned int a = 0; a < pMesh->mNumBones; a++)
+    {
+        const aiBone* bone = pMesh->mBones[a];
+        for( unsigned int b = 0; b < bone->mNumWeights; b++)
+        {
+            const aiVertexWeight& w = bone->mWeights[b];
+            vertexWeights[w.mVertexId].push_back( Weight( a, w.mWeight));
+        }
+    }
+
+    unsigned int removed = 0, old_bones = pMesh->mNumBones;
+
+    // now cut the weight count if it exceeds the maximum
+    bool bChanged = false;
+    for( WeightsPerVertex::iterator vit = vertexWeights.begin(); vit != vertexWeights.end(); ++vit)
+    {
+        if( vit->size() <= mMaxWeights)
+            continue;
+
+        bChanged = true;
+
+        // more than the defined maximum -> first sort by weight in descending order. That's
+        // why we defined the < operator in such a weird way.
+        std::sort( vit->begin(), vit->end());
+
+        // now kill everything beyond the maximum count
+        unsigned int m = static_cast<unsigned int>(vit->size());
+        vit->erase( vit->begin() + mMaxWeights, vit->end());
+        removed += static_cast<unsigned int>(m-vit->size());
+
+        // and renormalize the weights
+        float sum = 0.0f;
+        for( std::vector<Weight>::const_iterator it = vit->begin(); it != vit->end(); ++it ) {
+            sum += it->mWeight;
+        }
+        if( 0.0f != sum ) {
+            const float invSum = 1.0f / sum;
+            for( std::vector<Weight>::iterator it = vit->begin(); it != vit->end(); ++it ) {
+                it->mWeight *= invSum;
+            }
+        }
+    }
+
+    if (bChanged)   {
+        // rebuild the vertex weight array for all bones
+        typedef std::vector< std::vector< aiVertexWeight > > WeightsPerBone;
+        WeightsPerBone boneWeights( pMesh->mNumBones);
+        for( unsigned int a = 0; a < vertexWeights.size(); a++)
+        {
+            const std::vector<Weight>& vw = vertexWeights[a];
+            for( std::vector<Weight>::const_iterator it = vw.begin(); it != vw.end(); ++it)
+                boneWeights[it->mBone].push_back( aiVertexWeight( a, it->mWeight));
+        }
+
+        // and finally copy the vertex weight list over to the mesh's bones
+        std::vector<bool> abNoNeed(pMesh->mNumBones,false);
+        bChanged = false;
+
+        for( unsigned int a = 0; a < pMesh->mNumBones; a++)
+        {
+            const std::vector<aiVertexWeight>& bw = boneWeights[a];
+            aiBone* bone = pMesh->mBones[a];
+
+            if ( bw.empty() )
+            {
+                abNoNeed[a] = bChanged = true;
+                continue;
+            }
+
+            // copy the weight list. should always be less weights than before, so we don't need a new allocation
+            ai_assert( bw.size() <= bone->mNumWeights);
+            bone->mNumWeights = static_cast<unsigned int>( bw.size() );
+            ::memcpy( bone->mWeights, &bw[0], bw.size() * sizeof( aiVertexWeight));
+        }
+
+        if (bChanged)   {
+            // the number of new bones is smaller than before, so we can reuse the old array
+            aiBone** ppcCur = pMesh->mBones;aiBone** ppcSrc = ppcCur;
+
+            for (std::vector<bool>::const_iterator iter  = abNoNeed.begin();iter != abNoNeed.end()  ;++iter)    {
+                if (*iter)  {
+                    delete *ppcSrc;
+                    --pMesh->mNumBones;
+                }
+                else *ppcCur++ = *ppcSrc;
+                ++ppcSrc;
+            }
+        }
+
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_INFO_F("Removed ", removed, " weights. Input bones: ", old_bones, ". Output bones: ", pMesh->mNumBones );
+        }
+    }
+}
diff --git a/thirdparty/assimp/code/LimitBoneWeightsProcess.h b/thirdparty/assimp/code/LimitBoneWeightsProcess.h
new file mode 100644
index 0000000000..3602fd8edf
--- /dev/null
+++ b/thirdparty/assimp/code/LimitBoneWeightsProcess.h
@@ -0,0 +1,148 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** Defines a post processing step to limit the number of bones affecting a single vertex. */
+#ifndef AI_LIMITBONEWEIGHTSPROCESS_H_INC
+#define AI_LIMITBONEWEIGHTSPROCESS_H_INC
+
+#include "BaseProcess.h"
+
+struct aiMesh;
+
+class LimitBoneWeightsTest;
+
+namespace Assimp
+{
+
+// NOTE: If you change these limits, don't forget to change the
+// corresponding values in all Assimp ports
+
+// **********************************************************
+// Java: ConfigProperty.java,
+//  ConfigProperty.DEFAULT_BONE_WEIGHT_LIMIT
+// **********************************************************
+
+#if (!defined AI_LMW_MAX_WEIGHTS)
+#   define AI_LMW_MAX_WEIGHTS   0x4
+#endif // !! AI_LMW_MAX_WEIGHTS
+
+// ---------------------------------------------------------------------------
+/** This post processing step limits the number of bones affecting a vertex
+* to a certain maximum value. If a vertex is affected by more than that number
+* of bones, the bone weight with the least influence on this vertex are removed.
+* The other weights on this bone are then renormalized to assure the sum weight
+* to be 1.
+*/
+class ASSIMP_API LimitBoneWeightsProcess : public BaseProcess
+{
+public:
+
+    LimitBoneWeightsProcess();
+    ~LimitBoneWeightsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with.
+    *   A bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    void SetupProperties(const Importer* pImp);
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Limits the bone weight count for all vertices in the given mesh.
+    * @param pMesh The mesh to process.
+    */
+    void ProcessMesh( aiMesh* pMesh);
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Describes a bone weight on a vertex */
+    struct Weight
+    {
+        unsigned int mBone; ///< Index of the bone
+        float mWeight;      ///< Weight of that bone on this vertex
+        Weight() AI_NO_EXCEPT
+        : mBone(0)
+        , mWeight(0.0f)
+        { }
+
+        Weight( unsigned int pBone, float pWeight)
+        {
+            mBone = pBone;
+            mWeight = pWeight;
+        }
+
+        /** Comparison operator to sort bone weights by descending weight */
+        bool operator < (const Weight& pWeight) const
+        {
+            return mWeight > pWeight.mWeight;
+        }
+    };
+
+public:
+    /** Maximum number of bones influencing any single vertex. */
+    unsigned int mMaxWeights;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_LIMITBONEWEIGHTSPROCESS_H_INC
diff --git a/thirdparty/assimp/code/MMDCpp14.h b/thirdparty/assimp/code/MMDCpp14.h
new file mode 100644
index 0000000000..638b0bfd2f
--- /dev/null
+++ b/thirdparty/assimp/code/MMDCpp14.h
@@ -0,0 +1,83 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#ifndef MMD_CPP14_H
+#define MMD_CPP14_H
+
+#include <cstddef>
+#include <memory>
+#include <type_traits>
+#include <utility>
+
+namespace mmd {
+    template<class T> struct _Unique_if {
+        typedef std::unique_ptr<T> _Single_object;
+    };
+
+    template<class T> struct _Unique_if<T[]> {
+        typedef std::unique_ptr<T[]> _Unknown_bound;
+    };
+
+    template<class T, size_t N> struct _Unique_if<T[N]> {
+        typedef void _Known_bound;
+    };
+
+    template<class T, class... Args>
+        typename _Unique_if<T>::_Single_object
+        make_unique(Args&&... args) {
+            return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+        }
+
+    template<class T>
+        typename _Unique_if<T>::_Unknown_bound
+        make_unique(size_t n) {
+            typedef typename std::remove_extent<T>::type U;
+            return std::unique_ptr<T>(new U[n]());
+        }
+
+    template<class T, class... Args>
+        typename _Unique_if<T>::_Known_bound
+        make_unique(Args&&...) = delete;
+}
+
+#endif
diff --git a/thirdparty/assimp/code/MMDImporter.cpp b/thirdparty/assimp/code/MMDImporter.cpp
new file mode 100644
index 0000000000..84b9e35a6b
--- /dev/null
+++ b/thirdparty/assimp/code/MMDImporter.cpp
@@ -0,0 +1,370 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2016, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+#ifndef ASSIMP_BUILD_NO_MMD_IMPORTER
+
+#include "MMDImporter.h"
+#include "MMDPmdParser.h"
+#include "MMDPmxParser.h"
+#include "MMDVmdParser.h"
+#include "ConvertToLHProcess.h"
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/Importer.hpp>
+#include <assimp/ai_assert.h>
+#include <assimp/scene.h>
+#include <fstream>
+#include <iomanip>
+#include <memory>
+
+static const aiImporterDesc desc = {"MMD Importer",
+                                    "",
+                                    "",
+                                    "surfaces supported?",
+                                    aiImporterFlags_SupportTextFlavour,
+                                    0,
+                                    0,
+                                    0,
+                                    0,
+                                    "pmx"};
+
+namespace Assimp {
+
+using namespace std;
+
+// ------------------------------------------------------------------------------------------------
+//  Default constructor
+MMDImporter::MMDImporter()
+: m_Buffer()
+, m_strAbsPath("") {
+    DefaultIOSystem io;
+    m_strAbsPath = io.getOsSeparator();
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Destructor.
+MMDImporter::~MMDImporter() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Returns true, if file is an pmx file.
+bool MMDImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler,
+                          bool checkSig) const {
+  if (!checkSig) // Check File Extension
+  {
+    return SimpleExtensionCheck(pFile, "pmx");
+  } else // Check file Header
+  {
+    static const char *pTokens[] = {"PMX "};
+    return BaseImporter::SearchFileHeaderForToken(pIOHandler, pFile, pTokens, 1);
+  }
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiImporterDesc *MMDImporter::GetInfo() const { return &desc; }
+
+// ------------------------------------------------------------------------------------------------
+//  MMD import implementation
+void MMDImporter::InternReadFile(const std::string &file, aiScene *pScene,
+                                 IOSystem * /*pIOHandler*/) {
+  // Read file by istream
+  std::filebuf fb;
+  if (!fb.open(file, std::ios::in | std::ios::binary)) {
+    throw DeadlyImportError("Failed to open file " + file + ".");
+  }
+
+  std::istream fileStream(&fb);
+
+  // Get the file-size and validate it, throwing an exception when fails
+  fileStream.seekg(0, fileStream.end);
+  size_t fileSize = static_cast<size_t>(fileStream.tellg());
+  fileStream.seekg(0, fileStream.beg);
+
+  if (fileSize < sizeof(pmx::PmxModel)) {
+    throw DeadlyImportError(file + " is too small.");
+  }
+
+  pmx::PmxModel model;
+  model.Read(&fileStream);
+
+  CreateDataFromImport(&model, pScene);
+}
+
+// ------------------------------------------------------------------------------------------------
+void MMDImporter::CreateDataFromImport(const pmx::PmxModel *pModel,
+                                       aiScene *pScene) {
+  if (pModel == NULL) {
+    return;
+  }
+
+  aiNode *pNode = new aiNode;
+  if (!pModel->model_name.empty()) {
+    pNode->mName.Set(pModel->model_name);
+  }
+
+  pScene->mRootNode = pNode;
+
+  pNode = new aiNode;
+  pScene->mRootNode->addChildren(1, &pNode);
+  pNode->mName.Set(string(pModel->model_name) + string("_mesh"));
+
+  // split mesh by materials
+  pNode->mNumMeshes = pModel->material_count;
+  pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
+  for (unsigned int index = 0; index < pNode->mNumMeshes; index++) {
+    pNode->mMeshes[index] = index;
+  }
+
+  pScene->mNumMeshes = pModel->material_count;
+  pScene->mMeshes = new aiMesh *[pScene->mNumMeshes];
+  for (unsigned int i = 0, indexStart = 0; i < pScene->mNumMeshes; i++) {
+    const int indexCount = pModel->materials[i].index_count;
+
+    pScene->mMeshes[i] = CreateMesh(pModel, indexStart, indexCount);
+    pScene->mMeshes[i]->mName = pModel->materials[i].material_name;
+    pScene->mMeshes[i]->mMaterialIndex = i;
+    indexStart += indexCount;
+  }
+
+  // create node hierarchy for bone position
+  std::unique_ptr<aiNode *[]> ppNode(new aiNode *[pModel->bone_count]);
+  for (auto i = 0; i < pModel->bone_count; i++) {
+    ppNode[i] = new aiNode(pModel->bones[i].bone_name);
+  }
+
+  for (auto i = 0; i < pModel->bone_count; i++) {
+    const pmx::PmxBone &bone = pModel->bones[i];
+
+    if (bone.parent_index < 0) {
+      pScene->mRootNode->addChildren(1, ppNode.get() + i);
+    } else {
+      ppNode[bone.parent_index]->addChildren(1, ppNode.get() + i);
+
+      aiVector3D v3 = aiVector3D(
+          bone.position[0] - pModel->bones[bone.parent_index].position[0],
+          bone.position[1] - pModel->bones[bone.parent_index].position[1],
+          bone.position[2] - pModel->bones[bone.parent_index].position[2]);
+      aiMatrix4x4::Translation(v3, ppNode[i]->mTransformation);
+    }
+  }
+
+  // create materials
+  pScene->mNumMaterials = pModel->material_count;
+  pScene->mMaterials = new aiMaterial *[pScene->mNumMaterials];
+  for (unsigned int i = 0; i < pScene->mNumMaterials; i++) {
+    pScene->mMaterials[i] = CreateMaterial(&pModel->materials[i], pModel);
+  }
+
+  // Convert everything to OpenGL space
+  MakeLeftHandedProcess convertProcess;
+  convertProcess.Execute(pScene);
+
+  FlipUVsProcess uvFlipper;
+  uvFlipper.Execute(pScene);
+
+  FlipWindingOrderProcess windingFlipper;
+  windingFlipper.Execute(pScene);
+}
+
+// ------------------------------------------------------------------------------------------------
+aiMesh *MMDImporter::CreateMesh(const pmx::PmxModel *pModel,
+                                const int indexStart, const int indexCount) {
+  aiMesh *pMesh = new aiMesh;
+
+  pMesh->mNumVertices = indexCount;
+
+  pMesh->mNumFaces = indexCount / 3;
+  pMesh->mFaces = new aiFace[pMesh->mNumFaces];
+
+  const int numIndices = 3; // triangular face
+  for (unsigned int index = 0; index < pMesh->mNumFaces; index++) {
+    pMesh->mFaces[index].mNumIndices = numIndices;
+    unsigned int *indices = new unsigned int[numIndices];
+    indices[0] = numIndices * index;
+    indices[1] = numIndices * index + 1;
+    indices[2] = numIndices * index + 2;
+    pMesh->mFaces[index].mIndices = indices;
+  }
+
+  pMesh->mVertices = new aiVector3D[pMesh->mNumVertices];
+  pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
+  pMesh->mTextureCoords[0] = new aiVector3D[pMesh->mNumVertices];
+  pMesh->mNumUVComponents[0] = 2;
+
+  // additional UVs
+  for (int i = 1; i <= pModel->setting.uv; i++) {
+    pMesh->mTextureCoords[i] = new aiVector3D[pMesh->mNumVertices];
+    pMesh->mNumUVComponents[i] = 4;
+  }
+
+  map<int, vector<aiVertexWeight>> bone_vertex_map;
+
+  // fill in contents and create bones
+  for (int index = 0; index < indexCount; index++) {
+    const pmx::PmxVertex *v =
+        &pModel->vertices[pModel->indices[indexStart + index]];
+    const float *position = v->position;
+    pMesh->mVertices[index].Set(position[0], position[1], position[2]);
+    const float *normal = v->normal;
+
+    pMesh->mNormals[index].Set(normal[0], normal[1], normal[2]);
+    pMesh->mTextureCoords[0][index].x = v->uv[0];
+    pMesh->mTextureCoords[0][index].y = v->uv[1];
+
+    for (int i = 1; i <= pModel->setting.uv; i++) {
+      // TODO: wrong here? use quaternion transform?
+      pMesh->mTextureCoords[i][index].x = v->uva[i][0];
+      pMesh->mTextureCoords[i][index].y = v->uva[i][1];
+    }
+
+    // handle bone map
+    const auto vsBDEF1_ptr =
+        dynamic_cast<pmx::PmxVertexSkinningBDEF1 *>(v->skinning.get());
+    const auto vsBDEF2_ptr =
+        dynamic_cast<pmx::PmxVertexSkinningBDEF2 *>(v->skinning.get());
+    const auto vsBDEF4_ptr =
+        dynamic_cast<pmx::PmxVertexSkinningBDEF4 *>(v->skinning.get());
+    const auto vsSDEF_ptr =
+        dynamic_cast<pmx::PmxVertexSkinningSDEF *>(v->skinning.get());
+    switch (v->skinning_type) {
+    case pmx::PmxVertexSkinningType::BDEF1:
+      bone_vertex_map[vsBDEF1_ptr->bone_index].push_back(
+          aiVertexWeight(index, 1.0));
+      break;
+    case pmx::PmxVertexSkinningType::BDEF2:
+      bone_vertex_map[vsBDEF2_ptr->bone_index1].push_back(
+          aiVertexWeight(index, vsBDEF2_ptr->bone_weight));
+      bone_vertex_map[vsBDEF2_ptr->bone_index2].push_back(
+          aiVertexWeight(index, 1.0f - vsBDEF2_ptr->bone_weight));
+      break;
+    case pmx::PmxVertexSkinningType::BDEF4:
+      bone_vertex_map[vsBDEF4_ptr->bone_index1].push_back(
+          aiVertexWeight(index, vsBDEF4_ptr->bone_weight1));
+      bone_vertex_map[vsBDEF4_ptr->bone_index2].push_back(
+          aiVertexWeight(index, vsBDEF4_ptr->bone_weight2));
+      bone_vertex_map[vsBDEF4_ptr->bone_index3].push_back(
+          aiVertexWeight(index, vsBDEF4_ptr->bone_weight3));
+      bone_vertex_map[vsBDEF4_ptr->bone_index4].push_back(
+          aiVertexWeight(index, vsBDEF4_ptr->bone_weight4));
+      break;
+    case pmx::PmxVertexSkinningType::SDEF: // TODO: how to use sdef_c, sdef_r0,
+                                           // sdef_r1?
+      bone_vertex_map[vsSDEF_ptr->bone_index1].push_back(
+          aiVertexWeight(index, vsSDEF_ptr->bone_weight));
+      bone_vertex_map[vsSDEF_ptr->bone_index2].push_back(
+          aiVertexWeight(index, 1.0f - vsSDEF_ptr->bone_weight));
+      break;
+    case pmx::PmxVertexSkinningType::QDEF:
+      const auto vsQDEF_ptr =
+          dynamic_cast<pmx::PmxVertexSkinningQDEF *>(v->skinning.get());
+      bone_vertex_map[vsQDEF_ptr->bone_index1].push_back(
+          aiVertexWeight(index, vsQDEF_ptr->bone_weight1));
+      bone_vertex_map[vsQDEF_ptr->bone_index2].push_back(
+          aiVertexWeight(index, vsQDEF_ptr->bone_weight2));
+      bone_vertex_map[vsQDEF_ptr->bone_index3].push_back(
+          aiVertexWeight(index, vsQDEF_ptr->bone_weight3));
+      bone_vertex_map[vsQDEF_ptr->bone_index4].push_back(
+          aiVertexWeight(index, vsQDEF_ptr->bone_weight4));
+      break;
+    }
+  }
+
+  // make all bones for each mesh
+  // assign bone weights to skinned bones (otherwise just initialize)
+  auto bone_ptr_ptr = new aiBone *[pModel->bone_count];
+  pMesh->mNumBones = pModel->bone_count;
+  pMesh->mBones = bone_ptr_ptr;
+  for (auto ii = 0; ii < pModel->bone_count; ++ii) {
+    auto pBone = new aiBone;
+    const auto &pmxBone = pModel->bones[ii];
+    pBone->mName = pmxBone.bone_name;
+    aiVector3D pos(pmxBone.position[0], pmxBone.position[1], pmxBone.position[2]);
+    aiMatrix4x4::Translation(-pos, pBone->mOffsetMatrix);
+    auto it = bone_vertex_map.find(ii);
+    if (it != bone_vertex_map.end()) {
+      pBone->mNumWeights = static_cast<unsigned int>(it->second.size());
+      pBone->mWeights = new aiVertexWeight[pBone->mNumWeights];
+      for (unsigned int j = 0; j < pBone->mNumWeights; j++) {
+          pBone->mWeights[j] = it->second[j];
+      }
+    }
+    bone_ptr_ptr[ii] = pBone;
+  }
+
+  return pMesh;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiMaterial *MMDImporter::CreateMaterial(const pmx::PmxMaterial *pMat,
+                                        const pmx::PmxModel *pModel) {
+  aiMaterial *mat = new aiMaterial();
+  aiString name(pMat->material_english_name);
+  mat->AddProperty(&name, AI_MATKEY_NAME);
+
+  aiColor3D diffuse(pMat->diffuse[0], pMat->diffuse[1], pMat->diffuse[2]);
+  mat->AddProperty(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
+  aiColor3D specular(pMat->specular[0], pMat->specular[1], pMat->specular[2]);
+  mat->AddProperty(&specular, 1, AI_MATKEY_COLOR_SPECULAR);
+  aiColor3D ambient(pMat->ambient[0], pMat->ambient[1], pMat->ambient[2]);
+  mat->AddProperty(&ambient, 1, AI_MATKEY_COLOR_AMBIENT);
+
+  float opacity = pMat->diffuse[3];
+  mat->AddProperty(&opacity, 1, AI_MATKEY_OPACITY);
+  float shininess = pMat->specularlity;
+  mat->AddProperty(&shininess, 1, AI_MATKEY_SHININESS_STRENGTH);
+
+  if(pMat->diffuse_texture_index >= 0) {
+      aiString texture_path(pModel->textures[pMat->diffuse_texture_index]);
+      mat->AddProperty(&texture_path, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
+  }
+
+  int mapping_uvwsrc = 0;
+  mat->AddProperty(&mapping_uvwsrc, 1,
+                   AI_MATKEY_UVWSRC(aiTextureType_DIFFUSE, 0));
+
+  return mat;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+} // Namespace Assimp
+
+#endif // !! ASSIMP_BUILD_NO_MMD_IMPORTER
diff --git a/thirdparty/assimp/code/MMDImporter.h b/thirdparty/assimp/code/MMDImporter.h
new file mode 100644
index 0000000000..4ee94eeb00
--- /dev/null
+++ b/thirdparty/assimp/code/MMDImporter.h
@@ -0,0 +1,96 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2016, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef MMD_FILE_IMPORTER_H_INC
+#define MMD_FILE_IMPORTER_H_INC
+
+#include <assimp/BaseImporter.h>
+#include "MMDPmxParser.h"
+#include <assimp/material.h>
+#include <vector>
+
+struct aiMesh;
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+/// \class  MMDImporter
+/// \brief  Imports MMD a pmx/pmd/vmd file
+// ------------------------------------------------------------------------------------------------
+class MMDImporter : public BaseImporter {
+public:
+    /// \brief  Default constructor
+    MMDImporter();
+
+    /// \brief  Destructor
+    ~MMDImporter();
+
+public:
+    /// \brief  Returns whether the class can handle the format of the given file.
+    /// \remark See BaseImporter::CanRead() for details.
+    bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const;
+
+private:
+    //! \brief  Appends the supported extension.
+    const aiImporterDesc* GetInfo () const;
+
+    //! \brief  File import implementation.
+    void InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
+
+    //! \brief  Create the data from imported content.
+    void CreateDataFromImport(const pmx::PmxModel* pModel, aiScene* pScene);
+
+    //! \brief Create the mesh
+    aiMesh* CreateMesh(const pmx::PmxModel* pModel, const int indexStart, const int indexCount);
+
+    //! \brief Create the material
+    aiMaterial* CreateMaterial(const pmx::PmxMaterial* pMat, const pmx::PmxModel* pModel);
+
+private:
+    //! Data buffer
+    std::vector<char> m_Buffer;
+    //! Absolute pathname of model in file system
+    std::string m_strAbsPath;
+};
+
+// ------------------------------------------------------------------------------------------------
+
+} // Namespace Assimp
+
+#endif
\ No newline at end of file
diff --git a/thirdparty/assimp/code/MMDPmdParser.h b/thirdparty/assimp/code/MMDPmdParser.h
new file mode 100644
index 0000000000..d2f2224aa1
--- /dev/null
+++ b/thirdparty/assimp/code/MMDPmdParser.h
@@ -0,0 +1,597 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include <vector>
+#include <string>
+#include <memory>
+#include <iostream>
+#include <fstream>
+#include "MMDCpp14.h"
+
+namespace pmd
+{
+	class PmdHeader
+	{
+	public:
+		std::string name;
+		std::string name_english;
+		std::string comment;
+		std::string comment_english;
+
+		bool Read(std::ifstream* stream)
+		{
+			char buffer[256];
+			stream->read(buffer, 20);
+			name = std::string(buffer);
+			stream->read(buffer, 256);
+			comment = std::string(buffer);
+			return true;
+		}
+
+		bool ReadExtension(std::ifstream* stream)
+		{
+			char buffer[256];
+			stream->read(buffer, 20);
+			name_english = std::string(buffer);
+			stream->read(buffer, 256);
+			comment_english = std::string(buffer);
+			return true;
+		}
+	};
+
+	class PmdVertex
+	{
+	public:
+		float position[3];
+
+		float normal[3];
+
+		float uv[2];
+
+		uint16_t bone_index[2];
+
+		uint8_t bone_weight;
+
+		bool edge_invisible;
+
+		bool Read(std::ifstream* stream)
+		{
+			stream->read((char*) position, sizeof(float) * 3);
+			stream->read((char*) normal, sizeof(float) * 3);
+			stream->read((char*) uv, sizeof(float) * 2);
+			stream->read((char*) bone_index, sizeof(uint16_t) * 2);
+			stream->read((char*) &bone_weight, sizeof(uint8_t));
+			stream->read((char*) &edge_invisible, sizeof(uint8_t));
+			return true;
+		}
+	};
+
+	class PmdMaterial
+	{
+	public:
+		float diffuse[4];
+		float power;
+		float specular[3];
+		float ambient[3];
+		uint8_t toon_index;
+		uint8_t edge_flag;
+		uint32_t index_count;
+		std::string texture_filename;
+		std::string sphere_filename;
+
+		bool Read(std::ifstream* stream)
+		{
+			char buffer[20];
+			stream->read((char*) &diffuse, sizeof(float) * 4);
+			stream->read((char*) &power, sizeof(float));
+			stream->read((char*) &specular, sizeof(float) * 3);
+			stream->read((char*) &ambient, sizeof(float) * 3);
+			stream->read((char*) &toon_index, sizeof(uint8_t));
+			stream->read((char*) &edge_flag, sizeof(uint8_t));
+			stream->read((char*) &index_count, sizeof(uint32_t));
+			stream->read((char*) &buffer, sizeof(char) * 20);
+			char* pstar = strchr(buffer, '*');
+			if (NULL == pstar)
+			{
+				texture_filename = std::string(buffer);
+				sphere_filename.clear();
+			}
+			else {
+				*pstar = 0;
+				texture_filename = std::string(buffer);
+				sphere_filename = std::string(pstar+1);
+			}
+			return true;
+		}
+	};
+
+	enum class BoneType : uint8_t
+	{
+		Rotation,
+		RotationAndMove,
+		IkEffector,
+		Unknown,
+		IkEffectable,
+		RotationEffectable,
+		IkTarget,
+		Invisible,
+		Twist,
+		RotationMovement
+	};
+
+	class PmdBone
+	{
+	public:
+		std::string name;
+		std::string name_english;
+		uint16_t parent_bone_index;
+		uint16_t tail_pos_bone_index;
+		BoneType bone_type;
+		uint16_t ik_parent_bone_index;
+		float bone_head_pos[3];
+
+		void Read(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, 20);
+			name = std::string(buffer);
+			stream->read((char*) &parent_bone_index, sizeof(uint16_t));
+			stream->read((char*) &tail_pos_bone_index, sizeof(uint16_t));
+			stream->read((char*) &bone_type, sizeof(uint8_t));
+			stream->read((char*) &ik_parent_bone_index, sizeof(uint16_t));
+			stream->read((char*) &bone_head_pos, sizeof(float) * 3);
+		}
+
+		void ReadExpantion(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, 20);
+			name_english = std::string(buffer);
+		}
+	};
+
+	class PmdIk
+	{
+	public:
+		uint16_t ik_bone_index;
+		uint16_t target_bone_index;
+		uint16_t interations;
+		float angle_limit;
+		std::vector<uint16_t> ik_child_bone_index;
+
+		void Read(std::istream *stream)
+		{
+			stream->read((char *) &ik_bone_index, sizeof(uint16_t));
+			stream->read((char *) &target_bone_index, sizeof(uint16_t));
+			uint8_t ik_chain_length;
+			stream->read((char*) &ik_chain_length, sizeof(uint8_t));
+			stream->read((char *) &interations, sizeof(uint16_t));
+			stream->read((char *) &angle_limit, sizeof(float));
+			ik_child_bone_index.resize(ik_chain_length);
+			for (int i = 0; i < ik_chain_length; i++)
+			{
+				stream->read((char *) &ik_child_bone_index[i], sizeof(uint16_t));
+			}
+		}
+	};
+
+	class PmdFaceVertex
+	{
+	public:
+		int vertex_index;
+		float position[3];
+
+		void Read(std::istream *stream)
+		{
+			stream->read((char *) &vertex_index, sizeof(int));
+			stream->read((char *) position, sizeof(float) * 3);
+		}
+	};
+
+	enum class FaceCategory : uint8_t
+	{
+		Base,
+		Eyebrow,
+		Eye,
+		Mouth,
+		Other
+	};
+
+	class PmdFace
+	{
+	public:
+		std::string name;
+		FaceCategory type;
+		std::vector<PmdFaceVertex> vertices;
+		std::string name_english;
+
+		void Read(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, 20);
+			name = std::string(buffer);
+			int vertex_count;
+			stream->read((char*) &vertex_count, sizeof(int));
+			stream->read((char*) &type, sizeof(uint8_t));
+			vertices.resize(vertex_count);
+			for (int i = 0; i < vertex_count; i++)
+			{
+				vertices[i].Read(stream);
+			}
+		}
+
+		void ReadExpantion(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, 20);
+			name_english = std::string(buffer);
+		}
+	};
+
+	class PmdBoneDispName
+	{
+	public:
+		std::string bone_disp_name;
+		std::string bone_disp_name_english;
+
+		void Read(std::istream *stream)
+		{
+			char buffer[50];
+			stream->read(buffer, 50);
+			bone_disp_name = std::string(buffer);
+			bone_disp_name_english.clear();
+		}
+		void ReadExpantion(std::istream *stream)
+		{
+			char buffer[50];
+			stream->read(buffer, 50);
+			bone_disp_name_english = std::string(buffer);
+		}
+	};
+
+	class PmdBoneDisp
+	{
+	public:
+		uint16_t bone_index;
+		uint8_t bone_disp_index;
+
+		void Read(std::istream *stream)
+		{
+			stream->read((char*) &bone_index, sizeof(uint16_t));
+			stream->read((char*) &bone_disp_index, sizeof(uint8_t));
+		}
+	};
+
+	enum class RigidBodyShape : uint8_t
+	{
+		Sphere = 0,
+		Box = 1,
+		Cpusel = 2
+	};
+
+	enum class RigidBodyType : uint8_t
+	{
+		BoneConnected = 0,
+		Physics = 1,
+		ConnectedPhysics = 2
+	};
+
+	class PmdRigidBody
+	{
+	public:
+		std::string name;
+		uint16_t related_bone_index;
+		uint8_t group_index;
+		uint16_t mask;
+		RigidBodyShape shape;
+		float size[3];
+		float position[3];
+		float orientation[3];
+		float weight;
+		float linear_damping;
+		float anglar_damping;
+		float restitution;
+		float friction;
+		RigidBodyType rigid_type;
+
+		void Read(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, sizeof(char) * 20);
+			name = (std::string(buffer));
+			stream->read((char*) &related_bone_index, sizeof(uint16_t));
+			stream->read((char*) &group_index, sizeof(uint8_t));
+			stream->read((char*) &mask, sizeof(uint16_t));
+			stream->read((char*) &shape, sizeof(uint8_t));
+			stream->read((char*) size, sizeof(float) * 3);
+			stream->read((char*) position, sizeof(float) * 3);
+			stream->read((char*) orientation, sizeof(float) * 3);
+			stream->read((char*) &weight, sizeof(float));
+			stream->read((char*) &linear_damping, sizeof(float));
+			stream->read((char*) &anglar_damping, sizeof(float));
+			stream->read((char*) &restitution, sizeof(float));
+			stream->read((char*) &friction, sizeof(float));
+			stream->read((char*) &rigid_type, sizeof(char));
+		}
+	};
+
+	class PmdConstraint
+	{
+	public:
+		std::string name;
+		uint32_t rigid_body_index_a;
+		uint32_t rigid_body_index_b;
+		float position[3];
+		float orientation[3];
+		float linear_lower_limit[3];
+		float linear_upper_limit[3];
+		float angular_lower_limit[3];
+		float angular_upper_limit[3];
+		float linear_stiffness[3];
+		float angular_stiffness[3];
+
+		void Read(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read(buffer, 20);
+			name = std::string(buffer);
+			stream->read((char *) &rigid_body_index_a, sizeof(uint32_t));
+			stream->read((char *) &rigid_body_index_b, sizeof(uint32_t));
+			stream->read((char *) position, sizeof(float) * 3);
+			stream->read((char *) orientation, sizeof(float) * 3);
+			stream->read((char *) linear_lower_limit, sizeof(float) * 3);
+			stream->read((char *) linear_upper_limit, sizeof(float) * 3);
+			stream->read((char *) angular_lower_limit, sizeof(float) * 3);
+			stream->read((char *) angular_upper_limit, sizeof(float) * 3);
+			stream->read((char *) linear_stiffness, sizeof(float) * 3);
+			stream->read((char *) angular_stiffness, sizeof(float) * 3);
+		}
+	};
+
+	class PmdModel
+	{
+	public:
+		float version;
+		PmdHeader header;
+		std::vector<PmdVertex> vertices;
+		std::vector<uint16_t> indices;
+		std::vector<PmdMaterial> materials;
+		std::vector<PmdBone> bones;
+		std::vector<PmdIk> iks;
+		std::vector<PmdFace> faces;
+		std::vector<uint16_t> faces_indices;
+		std::vector<PmdBoneDispName> bone_disp_name;
+		std::vector<PmdBoneDisp> bone_disp;
+		std::vector<std::string> toon_filenames;
+		std::vector<PmdRigidBody> rigid_bodies;
+		std::vector<PmdConstraint> constraints;
+
+		static std::unique_ptr<PmdModel> LoadFromFile(const char *filename)
+		{
+			std::ifstream stream(filename, std::ios::binary);
+			if (stream.fail())
+			{
+				std::cerr << "could not open \"" << filename << "\"" << std::endl;
+				return nullptr;
+			}
+			auto result = LoadFromStream(&stream);
+			stream.close();
+			return result;
+		}
+
+		static std::unique_ptr<PmdModel> LoadFromStream(std::ifstream *stream)
+		{
+			auto result = mmd::make_unique<PmdModel>();
+			char buffer[100];
+
+			// magic
+			char magic[3];
+			stream->read(magic, 3);
+			if (magic[0] != 'P' || magic[1] != 'm' || magic[2] != 'd')
+			{
+				std::cerr << "invalid file" << std::endl;
+				return nullptr;
+			}
+
+			// version
+			stream->read((char*) &(result->version), sizeof(float));
+			if (result ->version != 1.0f)
+			{
+				std::cerr << "invalid version" << std::endl;
+				return nullptr;
+			}
+
+			// header
+			result->header.Read(stream);
+
+			// vertices
+			uint32_t vertex_num;
+			stream->read((char*) &vertex_num, sizeof(uint32_t));
+			result->vertices.resize(vertex_num);
+			for (uint32_t i = 0; i < vertex_num; i++)
+			{
+				result->vertices[i].Read(stream);
+			}
+
+			// indices
+			uint32_t index_num;
+			stream->read((char*) &index_num, sizeof(uint32_t));
+			result->indices.resize(index_num);
+			for (uint32_t i = 0; i < index_num; i++)
+			{
+				stream->read((char*) &result->indices[i], sizeof(uint16_t));
+			}
+
+			// materials
+			uint32_t material_num;
+			stream->read((char*) &material_num, sizeof(uint32_t));
+			result->materials.resize(material_num);
+			for (uint32_t i = 0; i < material_num; i++)
+			{
+				result->materials[i].Read(stream);
+			}
+
+			// bones
+			uint16_t bone_num;
+			stream->read((char*) &bone_num, sizeof(uint16_t));
+			result->bones.resize(bone_num);
+			for (uint32_t i = 0; i < bone_num; i++)
+			{
+				result->bones[i].Read(stream);
+			}
+
+			// iks
+			uint16_t ik_num;
+			stream->read((char*) &ik_num, sizeof(uint16_t));
+			result->iks.resize(ik_num);
+			for (uint32_t i = 0; i < ik_num; i++)
+			{
+				result->iks[i].Read(stream);
+			}
+
+			// faces
+			uint16_t face_num;
+			stream->read((char*) &face_num, sizeof(uint16_t));
+			result->faces.resize(face_num);
+			for (uint32_t i = 0; i < face_num; i++)
+			{
+				result->faces[i].Read(stream);
+			}
+
+			// face frames
+			uint8_t face_frame_num;
+			stream->read((char*) &face_frame_num, sizeof(uint8_t));
+			result->faces_indices.resize(face_frame_num);
+			for (uint32_t i = 0; i < face_frame_num; i++)
+			{
+				stream->read((char*) &result->faces_indices[i], sizeof(uint16_t));
+			}
+
+			// bone names
+			uint8_t bone_disp_num;
+			stream->read((char*) &bone_disp_num, sizeof(uint8_t));
+			result->bone_disp_name.resize(bone_disp_num);
+			for (uint32_t i = 0; i < bone_disp_num; i++)
+			{
+				result->bone_disp_name[i].Read(stream);
+			}
+
+			// bone frame
+			uint32_t bone_frame_num;
+			stream->read((char*) &bone_frame_num, sizeof(uint32_t));
+			result->bone_disp.resize(bone_frame_num);
+			for (uint32_t i = 0; i < bone_frame_num; i++)
+			{
+				result->bone_disp[i].Read(stream);
+			}
+
+			// english name
+			bool english;
+			stream->read((char*) &english, sizeof(char));
+			if (english)
+			{
+				result->header.ReadExtension(stream);
+				for (uint32_t i = 0; i < bone_num; i++)
+				{
+					result->bones[i].ReadExpantion(stream);
+				}
+				for (uint32_t i = 0; i < face_num; i++)
+				{
+					if (result->faces[i].type == pmd::FaceCategory::Base)
+					{
+						continue;
+					}
+					result->faces[i].ReadExpantion(stream);
+				}
+				for (uint32_t i = 0; i < result->bone_disp_name.size(); i++)
+				{
+					result->bone_disp_name[i].ReadExpantion(stream);
+				}
+			}
+
+			// toon textures
+			if (stream->peek() == std::ios::traits_type::eof())
+			{
+				result->toon_filenames.clear();
+			}
+			else {
+				result->toon_filenames.resize(10);
+				for (uint32_t i = 0; i < 10; i++)
+				{
+					stream->read(buffer, 100);
+					result->toon_filenames[i] = std::string(buffer);
+				}
+			}
+
+			// physics
+			if (stream->peek() == std::ios::traits_type::eof())
+			{
+				result->rigid_bodies.clear();
+				result->constraints.clear();
+			}
+			else {
+				uint32_t rigid_body_num;
+				stream->read((char*) &rigid_body_num, sizeof(uint32_t));
+				result->rigid_bodies.resize(rigid_body_num);
+				for (uint32_t i = 0; i < rigid_body_num; i++)
+				{
+					result->rigid_bodies[i].Read(stream);
+				}
+				uint32_t constraint_num;
+				stream->read((char*) &constraint_num, sizeof(uint32_t));
+				result->constraints.resize(constraint_num);
+				for (uint32_t i = 0; i < constraint_num; i++)
+				{
+					result->constraints[i].Read(stream);
+				}
+			}
+
+			if (stream->peek() != std::ios::traits_type::eof())
+			{
+				std::cerr << "there is unknown data" << std::endl;
+			}
+
+			return result;
+		}
+	};
+}
diff --git a/thirdparty/assimp/code/MMDPmxParser.cpp b/thirdparty/assimp/code/MMDPmxParser.cpp
new file mode 100644
index 0000000000..7425ceac22
--- /dev/null
+++ b/thirdparty/assimp/code/MMDPmxParser.cpp
@@ -0,0 +1,604 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#include <utility>
+#include "MMDPmxParser.h"
+#include <assimp/StringUtils.h>
+#include "../contrib/utf8cpp/source/utf8.h"
+#include <assimp/Exceptional.h>
+
+namespace pmx
+{
+	int ReadIndex(std::istream *stream, int size)
+	{
+		switch (size)
+		{
+		case 1:
+			uint8_t tmp8;
+			stream->read((char*) &tmp8, sizeof(uint8_t));
+			if (255 == tmp8)
+			{
+				return -1;
+			}
+			else {
+				return (int) tmp8;
+			}
+		case 2:
+			uint16_t tmp16;
+			stream->read((char*) &tmp16, sizeof(uint16_t));
+			if (65535 == tmp16)
+			{
+				return -1;
+			}
+			else {
+				return (int) tmp16;
+			}
+		case 4:
+			int tmp32;
+			stream->read((char*) &tmp32, sizeof(int));
+			return tmp32;
+		default:
+			return -1;
+		}
+	}
+
+	std::string ReadString(std::istream *stream, uint8_t encoding)
+	{
+		int size;
+		stream->read((char*) &size, sizeof(int));
+		std::vector<char> buffer;
+		if (size == 0)
+		{
+			return std::string("");
+		}
+		buffer.reserve(size);
+		stream->read((char*) buffer.data(), size);
+		if (encoding == 0)
+		{
+			// UTF16 to UTF8
+			const uint16_t* sourceStart = (uint16_t*)buffer.data();
+			const unsigned int targetSize = size * 3; // enough to encode
+			char *targetStart = new char[targetSize];
+            std::memset(targetStart, 0, targetSize * sizeof(char));
+            
+            utf8::utf16to8( sourceStart, sourceStart + size/2, targetStart );
+
+			std::string result(targetStart);
+            delete [] targetStart;
+			return result;
+		}
+		else
+		{
+			// the name is already UTF8
+			return std::string((const char*)buffer.data(), size);
+		}
+	}
+
+	void PmxSetting::Read(std::istream *stream)
+	{
+		uint8_t count;
+		stream->read((char*) &count, sizeof(uint8_t));
+		if (count < 8)
+		{
+			throw DeadlyImportError("MMD: invalid size");
+		}
+		stream->read((char*) &encoding, sizeof(uint8_t));
+		stream->read((char*) &uv, sizeof(uint8_t));
+		stream->read((char*) &vertex_index_size, sizeof(uint8_t));
+		stream->read((char*) &texture_index_size, sizeof(uint8_t));
+		stream->read((char*) &material_index_size, sizeof(uint8_t));
+		stream->read((char*) &bone_index_size, sizeof(uint8_t));
+		stream->read((char*) &morph_index_size, sizeof(uint8_t));
+		stream->read((char*) &rigidbody_index_size, sizeof(uint8_t));
+		uint8_t temp;
+		for (int i = 8; i < count; i++)
+		{
+			stream->read((char*)&temp, sizeof(uint8_t));
+		}
+	}
+
+	void PmxVertexSkinningBDEF1::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index = ReadIndex(stream, setting->bone_index_size);
+	}
+
+	void PmxVertexSkinningBDEF2::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index1 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index2 = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->bone_weight, sizeof(float));
+	}
+
+	void PmxVertexSkinningBDEF4::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index1 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index2 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index3 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index4 = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->bone_weight1, sizeof(float));
+		stream->read((char*) &this->bone_weight2, sizeof(float));
+		stream->read((char*) &this->bone_weight3, sizeof(float));
+		stream->read((char*) &this->bone_weight4, sizeof(float));
+	}
+
+	void PmxVertexSkinningSDEF::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index1 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index2 = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->bone_weight, sizeof(float));
+		stream->read((char*) this->sdef_c, sizeof(float) * 3);
+		stream->read((char*) this->sdef_r0, sizeof(float) * 3);
+		stream->read((char*) this->sdef_r1, sizeof(float) * 3);
+	}
+
+	void PmxVertexSkinningQDEF::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index1 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index2 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index3 = ReadIndex(stream, setting->bone_index_size);
+		this->bone_index4 = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->bone_weight1, sizeof(float));
+		stream->read((char*) &this->bone_weight2, sizeof(float));
+		stream->read((char*) &this->bone_weight3, sizeof(float));
+		stream->read((char*) &this->bone_weight4, sizeof(float));
+	}
+
+	void PmxVertex::Read(std::istream *stream, PmxSetting *setting)
+	{
+		stream->read((char*) this->position, sizeof(float) * 3);
+		stream->read((char*) this->normal, sizeof(float) * 3);
+		stream->read((char*) this->uv, sizeof(float) * 2);
+		for (int i = 0; i < setting->uv; ++i)
+		{
+			stream->read((char*) this->uva[i], sizeof(float) * 4);
+		}
+		stream->read((char*) &this->skinning_type, sizeof(PmxVertexSkinningType));
+		switch (this->skinning_type)
+		{
+		case PmxVertexSkinningType::BDEF1:
+			this->skinning = mmd::make_unique<PmxVertexSkinningBDEF1>();
+			break;
+		case PmxVertexSkinningType::BDEF2:
+			this->skinning = mmd::make_unique<PmxVertexSkinningBDEF2>();
+			break;
+		case PmxVertexSkinningType::BDEF4:
+			this->skinning = mmd::make_unique<PmxVertexSkinningBDEF4>();
+			break;
+		case PmxVertexSkinningType::SDEF:
+			this->skinning = mmd::make_unique<PmxVertexSkinningSDEF>();
+			break;
+		case PmxVertexSkinningType::QDEF:
+			this->skinning = mmd::make_unique<PmxVertexSkinningQDEF>();
+			break;
+		default:
+			throw "invalid skinning type";
+		}
+		this->skinning->Read(stream, setting);
+		stream->read((char*) &this->edge, sizeof(float));
+	}
+
+	void PmxMaterial::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->material_name = ReadString(stream, setting->encoding);
+		this->material_english_name = ReadString(stream, setting->encoding);
+		stream->read((char*) this->diffuse, sizeof(float) * 4);
+		stream->read((char*) this->specular, sizeof(float) * 3);
+		stream->read((char*) &this->specularlity, sizeof(float));
+		stream->read((char*) this->ambient, sizeof(float) * 3);
+		stream->read((char*) &this->flag, sizeof(uint8_t));
+		stream->read((char*) this->edge_color, sizeof(float) * 4);
+		stream->read((char*) &this->edge_size, sizeof(float));
+		this->diffuse_texture_index = ReadIndex(stream, setting->texture_index_size);
+		this->sphere_texture_index = ReadIndex(stream, setting->texture_index_size);
+		stream->read((char*) &this->sphere_op_mode, sizeof(uint8_t));
+		stream->read((char*) &this->common_toon_flag, sizeof(uint8_t));
+		if (this->common_toon_flag)
+		{
+			stream->read((char*) &this->toon_texture_index, sizeof(uint8_t));
+		}
+		else {
+			this->toon_texture_index = ReadIndex(stream, setting->texture_index_size);
+		}
+		this->memo = ReadString(stream, setting->encoding);
+		stream->read((char*) &this->index_count, sizeof(int));
+	}
+
+	void PmxIkLink::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->link_target = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->angle_lock, sizeof(uint8_t));
+		if (angle_lock == 1)
+		{
+			stream->read((char*) this->max_radian, sizeof(float) * 3);
+			stream->read((char*) this->min_radian, sizeof(float) * 3);
+		}
+	}
+
+	void PmxBone::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_name = ReadString(stream, setting->encoding);
+		this->bone_english_name = ReadString(stream, setting->encoding);
+		stream->read((char*) this->position, sizeof(float) * 3);
+		this->parent_index = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->level, sizeof(int));
+		stream->read((char*) &this->bone_flag, sizeof(uint16_t));
+		if (this->bone_flag & 0x0001) {
+			this->target_index = ReadIndex(stream, setting->bone_index_size);
+		}
+		else {
+			stream->read((char*)this->offset, sizeof(float) * 3);
+		}
+		if (this->bone_flag & (0x0100 | 0x0200)) {
+			this->grant_parent_index = ReadIndex(stream, setting->bone_index_size);
+			stream->read((char*) &this->grant_weight, sizeof(float));
+		}
+		if (this->bone_flag & 0x0400) {
+			stream->read((char*)this->lock_axis_orientation, sizeof(float) * 3);
+		}
+		if (this->bone_flag & 0x0800) {
+			stream->read((char*)this->local_axis_x_orientation, sizeof(float) * 3);
+			stream->read((char*)this->local_axis_y_orientation, sizeof(float) * 3);
+		}
+		if (this->bone_flag & 0x2000) {
+			stream->read((char*) &this->key, sizeof(int));
+		}
+		if (this->bone_flag & 0x0020) {
+			this->ik_target_bone_index = ReadIndex(stream, setting->bone_index_size);
+			stream->read((char*) &ik_loop, sizeof(int));
+			stream->read((char*) &ik_loop_angle_limit, sizeof(float));
+			stream->read((char*) &ik_link_count, sizeof(int));
+			this->ik_links = mmd::make_unique<PmxIkLink []>(ik_link_count);
+			for (int i = 0; i < ik_link_count; i++) {
+				ik_links[i].Read(stream, setting);
+			}
+		}
+	}
+
+	void PmxMorphVertexOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->vertex_index = ReadIndex(stream, setting->vertex_index_size);
+		stream->read((char*)this->position_offset, sizeof(float) * 3);
+	}
+
+	void PmxMorphUVOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->vertex_index = ReadIndex(stream, setting->vertex_index_size);
+		stream->read((char*)this->uv_offset, sizeof(float) * 4);
+	}
+
+	void PmxMorphBoneOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->bone_index = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*)this->translation, sizeof(float) * 3);
+		stream->read((char*)this->rotation, sizeof(float) * 4);
+	}
+
+	void PmxMorphMaterialOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->material_index = ReadIndex(stream, setting->material_index_size);
+		stream->read((char*) &this->offset_operation, sizeof(uint8_t));
+		stream->read((char*)this->diffuse, sizeof(float) * 4);
+		stream->read((char*)this->specular, sizeof(float) * 3);
+		stream->read((char*) &this->specularity, sizeof(float));
+		stream->read((char*)this->ambient, sizeof(float) * 3);
+		stream->read((char*)this->edge_color, sizeof(float) * 4);
+		stream->read((char*) &this->edge_size, sizeof(float));
+		stream->read((char*)this->texture_argb, sizeof(float) * 4);
+		stream->read((char*)this->sphere_texture_argb, sizeof(float) * 4);
+		stream->read((char*)this->toon_texture_argb, sizeof(float) * 4);
+	}
+
+	void PmxMorphGroupOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->morph_index = ReadIndex(stream, setting->morph_index_size);
+		stream->read((char*) &this->morph_weight, sizeof(float));
+	}
+
+	void PmxMorphFlipOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->morph_index = ReadIndex(stream, setting->morph_index_size);
+		stream->read((char*) &this->morph_value, sizeof(float));
+	}
+
+	void PmxMorphImplusOffset::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->rigid_body_index = ReadIndex(stream, setting->rigidbody_index_size);
+		stream->read((char*) &this->is_local, sizeof(uint8_t));
+		stream->read((char*)this->velocity, sizeof(float) * 3);
+		stream->read((char*)this->angular_torque, sizeof(float) * 3);
+	}
+
+	void PmxMorph::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->morph_name = ReadString(stream, setting->encoding);
+		this->morph_english_name = ReadString(stream, setting->encoding);
+		stream->read((char*) &category, sizeof(MorphCategory));
+		stream->read((char*) &morph_type, sizeof(MorphType));
+		stream->read((char*) &this->offset_count, sizeof(int));
+		switch (this->morph_type)
+		{
+		case MorphType::Group:
+			group_offsets = mmd::make_unique<PmxMorphGroupOffset []>(this->offset_count);
+			for (int i = 0; i < offset_count; i++)
+			{
+				group_offsets[i].Read(stream, setting);
+			}
+			break;
+		case MorphType::Vertex:
+			vertex_offsets = mmd::make_unique<PmxMorphVertexOffset []>(this->offset_count);
+			for (int i = 0; i < offset_count; i++)
+			{
+				vertex_offsets[i].Read(stream, setting);
+			}
+			break;
+		case MorphType::Bone:
+			bone_offsets = mmd::make_unique<PmxMorphBoneOffset []>(this->offset_count);
+			for (int i = 0; i < offset_count; i++)
+			{
+				bone_offsets[i].Read(stream, setting);
+			}
+			break;
+		case MorphType::Matrial:
+			material_offsets = mmd::make_unique<PmxMorphMaterialOffset []>(this->offset_count);
+			for (int i = 0; i < offset_count; i++)
+			{
+				material_offsets[i].Read(stream, setting);
+			}
+			break;
+		case MorphType::UV:
+		case MorphType::AdditionalUV1:
+		case MorphType::AdditionalUV2:
+		case MorphType::AdditionalUV3:
+		case MorphType::AdditionalUV4:
+			uv_offsets = mmd::make_unique<PmxMorphUVOffset []>(this->offset_count);
+			for (int i = 0; i < offset_count; i++)
+			{
+				uv_offsets[i].Read(stream, setting);
+			}
+			break;
+		default:
+            throw DeadlyImportError("MMD: unknown morth type");
+		}
+	}
+
+	void PmxFrameElement::Read(std::istream *stream, PmxSetting *setting)
+	{
+		stream->read((char*) &this->element_target, sizeof(uint8_t));
+		if (this->element_target == 0x00)
+		{
+			this->index = ReadIndex(stream, setting->bone_index_size);
+		}
+		else {
+			this->index = ReadIndex(stream, setting->morph_index_size);
+		}
+	}
+
+	void PmxFrame::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->frame_name = ReadString(stream, setting->encoding);
+		this->frame_english_name = ReadString(stream, setting->encoding);
+		stream->read((char*) &this->frame_flag, sizeof(uint8_t));
+		stream->read((char*) &this->element_count, sizeof(int));
+		this->elements = mmd::make_unique<PmxFrameElement []>(this->element_count);
+		for (int i = 0; i < this->element_count; i++)
+		{
+			this->elements[i].Read(stream, setting);
+		}
+	}
+
+	void PmxRigidBody::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->girid_body_name = ReadString(stream, setting->encoding);
+		this->girid_body_english_name = ReadString(stream, setting->encoding);
+		this->target_bone = ReadIndex(stream, setting->bone_index_size);
+		stream->read((char*) &this->group, sizeof(uint8_t));
+		stream->read((char*) &this->mask, sizeof(uint16_t));
+		stream->read((char*) &this->shape, sizeof(uint8_t));
+		stream->read((char*) this->size, sizeof(float) * 3);
+		stream->read((char*) this->position, sizeof(float) * 3);
+		stream->read((char*) this->orientation, sizeof(float) * 3);
+		stream->read((char*) &this->mass, sizeof(float));
+		stream->read((char*) &this->move_attenuation, sizeof(float));
+		stream->read((char*) &this->rotation_attenuation, sizeof(float));
+		stream->read((char*) &this->repulsion, sizeof(float));
+		stream->read((char*) &this->friction, sizeof(float));
+		stream->read((char*) &this->physics_calc_type, sizeof(uint8_t));
+	}
+
+	void PmxJointParam::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->rigid_body1 = ReadIndex(stream, setting->rigidbody_index_size);
+		this->rigid_body2 = ReadIndex(stream, setting->rigidbody_index_size);
+		stream->read((char*) this->position, sizeof(float) * 3);
+		stream->read((char*) this->orientaiton, sizeof(float) * 3);
+		stream->read((char*) this->move_limitation_min, sizeof(float) * 3);
+		stream->read((char*) this->move_limitation_max, sizeof(float) * 3);
+		stream->read((char*) this->rotation_limitation_min, sizeof(float) * 3);
+		stream->read((char*) this->rotation_limitation_max, sizeof(float) * 3);
+		stream->read((char*) this->spring_move_coefficient, sizeof(float) * 3);
+		stream->read((char*) this->spring_rotation_coefficient, sizeof(float) * 3);
+	}
+
+	void PmxJoint::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->joint_name = ReadString(stream, setting->encoding);
+		this->joint_english_name = ReadString(stream, setting->encoding);
+		stream->read((char*) &this->joint_type, sizeof(uint8_t));
+		this->param.Read(stream, setting);
+	}
+
+	void PmxAncherRigidBody::Read(std::istream *stream, PmxSetting *setting)
+	{
+		this->related_rigid_body = ReadIndex(stream, setting->rigidbody_index_size);
+		this->related_vertex = ReadIndex(stream, setting->vertex_index_size);
+		stream->read((char*) &this->is_near, sizeof(uint8_t));
+	}
+
+    void PmxSoftBody::Read(std::istream * /*stream*/, PmxSetting * /*setting*/)
+	{
+		std::cerr << "Not Implemented Exception" << std::endl;
+        throw DeadlyImportError("MMD: Not Implemented Exception");
+    }
+
+	void PmxModel::Init()
+	{
+		this->version = 0.0f;
+		this->model_name.clear();
+		this->model_english_name.clear();
+		this->model_comment.clear();
+		this->model_english_comment.clear();
+		this->vertex_count = 0;
+		this->vertices = nullptr;
+		this->index_count = 0;
+		this->indices = nullptr;
+		this->texture_count = 0;
+		this->textures = nullptr;
+		this->material_count = 0;
+		this->materials = nullptr;
+		this->bone_count = 0;
+		this->bones = nullptr;
+		this->morph_count = 0;
+		this->morphs = nullptr;
+		this->frame_count = 0;
+		this->frames = nullptr;
+		this->rigid_body_count = 0;
+		this->rigid_bodies = nullptr;
+		this->joint_count = 0;
+		this->joints = nullptr;
+		this->soft_body_count = 0;
+		this->soft_bodies = nullptr;
+	}
+
+	void PmxModel::Read(std::istream *stream)
+	{
+		char magic[4];
+		stream->read((char*) magic, sizeof(char) * 4);
+		if (magic[0] != 0x50 || magic[1] != 0x4d || magic[2] != 0x58 || magic[3] != 0x20)
+		{
+			std::cerr << "invalid magic number." << std::endl;
+      throw DeadlyImportError("MMD: invalid magic number.");
+    }
+		stream->read((char*) &version, sizeof(float));
+		if (version != 2.0f && version != 2.1f)
+		{
+			std::cerr << "this is not ver2.0 or ver2.1 but " << version << "." << std::endl;
+            throw DeadlyImportError("MMD: this is not ver2.0 or ver2.1 but " + to_string(version));
+    }
+		this->setting.Read(stream);
+
+		this->model_name = ReadString(stream, setting.encoding);
+		this->model_english_name = ReadString(stream, setting.encoding);
+		this->model_comment = ReadString(stream, setting.encoding);
+		this->model_english_comment = ReadString(stream, setting.encoding);
+
+		// read vertices
+		stream->read((char*) &vertex_count, sizeof(int));
+		this->vertices = mmd::make_unique<PmxVertex []>(vertex_count);
+		for (int i = 0; i < vertex_count; i++)
+		{
+			vertices[i].Read(stream, &setting);
+		}
+
+		// read indices
+		stream->read((char*) &index_count, sizeof(int));
+		this->indices = mmd::make_unique<int []>(index_count);
+		for (int i = 0; i < index_count; i++)
+		{
+			this->indices[i] = ReadIndex(stream, setting.vertex_index_size);
+		}
+
+		// read texture names
+		stream->read((char*) &texture_count, sizeof(int));
+		this->textures = mmd::make_unique<std::string []>(texture_count);
+		for (int i = 0; i < texture_count; i++)
+		{
+			this->textures[i] = ReadString(stream, setting.encoding);
+		}
+
+		// read materials
+		stream->read((char*) &material_count, sizeof(int));
+		this->materials = mmd::make_unique<PmxMaterial []>(material_count);
+		for (int i = 0; i < material_count; i++)
+		{
+			this->materials[i].Read(stream, &setting);
+		}
+
+		// read bones
+		stream->read((char*) &this->bone_count, sizeof(int));
+		this->bones = mmd::make_unique<PmxBone []>(this->bone_count);
+		for (int i = 0; i < this->bone_count; i++)
+		{
+			this->bones[i].Read(stream, &setting);
+		}
+
+		// read morphs
+		stream->read((char*) &this->morph_count, sizeof(int));
+		this->morphs = mmd::make_unique<PmxMorph []>(this->morph_count);
+		for (int i = 0; i < this->morph_count; i++)
+		{
+			this->morphs[i].Read(stream, &setting);
+		}
+
+		// read display frames
+		stream->read((char*) &this->frame_count, sizeof(int));
+		this->frames = mmd::make_unique<PmxFrame []>(this->frame_count);
+		for (int i = 0; i < this->frame_count; i++)
+		{
+			this->frames[i].Read(stream, &setting);
+		}
+
+		// read rigid bodies
+		stream->read((char*) &this->rigid_body_count, sizeof(int));
+		this->rigid_bodies = mmd::make_unique<PmxRigidBody []>(this->rigid_body_count);
+		for (int i = 0; i < this->rigid_body_count; i++)
+		{
+			this->rigid_bodies[i].Read(stream, &setting);
+		}
+
+		// read joints
+		stream->read((char*) &this->joint_count, sizeof(int));
+		this->joints = mmd::make_unique<PmxJoint []>(this->joint_count);
+		for (int i = 0; i < this->joint_count; i++)
+		{
+			this->joints[i].Read(stream, &setting);
+		}
+	}
+}
diff --git a/thirdparty/assimp/code/MMDPmxParser.h b/thirdparty/assimp/code/MMDPmxParser.h
new file mode 100644
index 0000000000..cf523a1298
--- /dev/null
+++ b/thirdparty/assimp/code/MMDPmxParser.h
@@ -0,0 +1,782 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <memory>
+#include "MMDCpp14.h"
+
+namespace pmx
+{
+	class PmxSetting
+	{
+	public:
+		PmxSetting()
+			: encoding(0)
+			, uv(0)
+			, vertex_index_size(0)
+			, texture_index_size(0)
+			, material_index_size(0)
+			, bone_index_size(0)
+			, morph_index_size(0)
+			, rigidbody_index_size(0)
+		{}
+
+		uint8_t encoding;
+		uint8_t uv;
+		uint8_t vertex_index_size;
+		uint8_t texture_index_size;
+		uint8_t material_index_size;
+		uint8_t bone_index_size;
+		uint8_t morph_index_size;
+		uint8_t rigidbody_index_size;
+		void Read(std::istream *stream);
+	};
+
+	enum class PmxVertexSkinningType : uint8_t
+	{
+		BDEF1 = 0,
+		BDEF2 = 1,
+		BDEF4 = 2,
+		SDEF = 3,
+		QDEF = 4,
+	};
+
+	class PmxVertexSkinning
+	{
+	public:
+		virtual void Read(std::istream *stream, PmxSetting *setting) = 0;
+		virtual ~PmxVertexSkinning() {}
+	};
+
+	class PmxVertexSkinningBDEF1 : public PmxVertexSkinning
+	{
+	public:
+		PmxVertexSkinningBDEF1()
+			: bone_index(0)
+		{}
+
+		int bone_index;
+		void Read(std::istream *stresam, PmxSetting *setting);
+	};
+
+	class PmxVertexSkinningBDEF2 : public PmxVertexSkinning
+	{
+	public:
+		PmxVertexSkinningBDEF2()
+			: bone_index1(0)
+			, bone_index2(0)
+			, bone_weight(0.0f)
+		{}
+
+		int bone_index1;
+		int bone_index2;
+		float bone_weight;
+		void Read(std::istream *stresam, PmxSetting *setting);
+	};
+
+	class PmxVertexSkinningBDEF4 : public PmxVertexSkinning
+	{
+	public:
+		PmxVertexSkinningBDEF4()
+			: bone_index1(0)
+			, bone_index2(0)
+			, bone_index3(0)
+			, bone_index4(0)
+			, bone_weight1(0.0f)
+			, bone_weight2(0.0f)
+			, bone_weight3(0.0f)
+			, bone_weight4(0.0f)
+		{}
+
+		int bone_index1;
+		int bone_index2;
+		int bone_index3;
+		int bone_index4;
+		float bone_weight1;
+		float bone_weight2;
+		float bone_weight3;
+		float bone_weight4;
+		void Read(std::istream *stresam, PmxSetting *setting);
+	};
+
+	class PmxVertexSkinningSDEF : public PmxVertexSkinning
+	{
+	public:
+		PmxVertexSkinningSDEF()
+			: bone_index1(0)
+			, bone_index2(0)
+			, bone_weight(0.0f)
+		{
+			for (int i = 0; i < 3; ++i) {
+				sdef_c[i] = 0.0f;
+				sdef_r0[i] = 0.0f;
+				sdef_r1[i] = 0.0f;
+			}
+		}
+
+		int bone_index1;
+		int bone_index2;
+		float bone_weight;
+		float sdef_c[3];
+		float sdef_r0[3];
+		float sdef_r1[3];
+		void Read(std::istream *stresam, PmxSetting *setting);
+	};
+
+	class PmxVertexSkinningQDEF : public PmxVertexSkinning
+	{
+	public:
+		PmxVertexSkinningQDEF()
+			: bone_index1(0)
+			, bone_index2(0)
+			, bone_index3(0)
+			, bone_index4(0)
+			, bone_weight1(0.0f)
+			, bone_weight2(0.0f)
+			, bone_weight3(0.0f)
+			, bone_weight4(0.0f)
+		{}
+
+		int bone_index1;
+		int bone_index2;
+		int bone_index3;
+		int bone_index4;
+		float bone_weight1;
+		float bone_weight2;
+		float bone_weight3;
+		float bone_weight4;
+		void Read(std::istream *stresam, PmxSetting *setting);
+	};
+
+	class PmxVertex
+	{
+	public:
+		PmxVertex()
+			: edge(0.0f)
+		{
+			uv[0] = uv[1] = 0.0f;
+			for (int i = 0; i < 3; ++i) {
+				position[i] = 0.0f;
+				normal[i] = 0.0f;
+			}
+			for (int i = 0; i < 4; ++i) {
+				for (int k = 0; k < 4; ++k) {
+					uva[i][k] = 0.0f;
+				}
+			}
+		}
+
+		float position[3];
+		float normal[3];
+		float uv[2];
+		float uva[4][4];
+		PmxVertexSkinningType skinning_type;
+		std::unique_ptr<PmxVertexSkinning> skinning;
+		float edge;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxMaterial
+	{
+	public:
+		PmxMaterial()
+			: specularlity(0.0f)
+			, flag(0)
+			, edge_size(0.0f)
+			, diffuse_texture_index(0)
+			, sphere_texture_index(0)
+			, sphere_op_mode(0)
+			, common_toon_flag(0)
+			, toon_texture_index(0)
+			, index_count(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				specular[i] = 0.0f;
+				ambient[i] = 0.0f;
+				edge_color[i] = 0.0f;
+			}
+			for (int i = 0; i < 4; ++i) {
+				diffuse[i] = 0.0f;
+			}
+		}
+
+		std::string material_name;
+		std::string material_english_name;
+		float diffuse[4];
+		float specular[3];
+		float specularlity;
+		float ambient[3];
+		uint8_t flag;
+		float edge_color[4];
+		float edge_size;
+		int diffuse_texture_index;
+		int sphere_texture_index;
+		uint8_t sphere_op_mode;
+		uint8_t common_toon_flag;
+		int toon_texture_index;
+		std::string memo;
+		int index_count;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxIkLink
+	{
+	public:
+		PmxIkLink()
+			: link_target(0)
+			, angle_lock(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				max_radian[i] = 0.0f;
+				min_radian[i] = 0.0f;
+			}
+		}
+
+		int link_target;
+		uint8_t angle_lock;
+		float max_radian[3];
+		float min_radian[3];
+		void Read(std::istream *stream, PmxSetting *settingn);
+	};
+
+	class PmxBone
+	{
+	public:
+		PmxBone()
+			: parent_index(0)
+			, level(0)
+			, bone_flag(0)
+			, target_index(0)
+			, grant_parent_index(0)
+			, grant_weight(0.0f)
+			, key(0)
+			, ik_target_bone_index(0)
+			, ik_loop(0)
+			, ik_loop_angle_limit(0.0f)
+			, ik_link_count(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				position[i] = 0.0f;
+				offset[i] = 0.0f;
+				lock_axis_orientation[i] = 0.0f;
+				local_axis_x_orientation[i] = 0.0f;
+				local_axis_y_orientation[i] = 0.0f;
+			}
+		}
+
+		std::string bone_name;
+		std::string bone_english_name;
+		float position[3];
+		int parent_index;
+		int level;
+		uint16_t bone_flag;
+		float offset[3];
+		int target_index;
+		int grant_parent_index;
+		float grant_weight;
+		float lock_axis_orientation[3];
+		float local_axis_x_orientation[3];
+		float local_axis_y_orientation[3];
+		int key;
+		int ik_target_bone_index;
+		int ik_loop;
+		float ik_loop_angle_limit;
+		int ik_link_count;
+		std::unique_ptr<PmxIkLink []> ik_links;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	enum class MorphType : uint8_t
+	{
+		Group = 0,
+		Vertex = 1,
+		Bone = 2,
+		UV = 3,
+		AdditionalUV1 = 4,
+		AdditionalUV2 = 5,
+		AdditionalUV3 = 6,
+		AdditionalUV4 = 7,
+		Matrial = 8,
+		Flip = 9,
+		Implus = 10,
+	};
+
+	enum class MorphCategory : uint8_t
+	{
+		ReservedCategory = 0,
+		Eyebrow = 1,
+		Eye = 2,
+		Mouth = 3,
+		Other = 4,
+	};
+
+	class PmxMorphOffset
+	{
+	public:
+		void virtual Read(std::istream *stream, PmxSetting *setting) = 0;
+	};
+
+	class PmxMorphVertexOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphVertexOffset()
+			: vertex_index(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				position_offset[i] = 0.0f;
+			}
+		}
+		int vertex_index;
+		float position_offset[3];
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphUVOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphUVOffset()
+			: vertex_index(0)
+		{
+			for (int i = 0; i < 4; ++i) {
+				uv_offset[i] = 0.0f;
+			}
+		}
+		int vertex_index;
+		float uv_offset[4];
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphBoneOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphBoneOffset()
+			: bone_index(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				translation[i] = 0.0f;
+			}
+			for (int i = 0; i < 4; ++i) {
+				rotation[i] = 0.0f;
+			}
+		}
+		int bone_index;
+		float translation[3];
+		float rotation[4];
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphMaterialOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphMaterialOffset()
+			: specularity(0.0f)
+			, edge_size(0.0f)
+		{
+			for (int i = 0; i < 3; ++i) {
+				specular[i] = 0.0f;
+				ambient[i] = 0.0f;
+			}
+			for (int i = 0; i < 4; ++i) {
+				diffuse[i] = 0.0f;
+				edge_color[i] = 0.0f;
+				texture_argb[i] = 0.0f;
+				sphere_texture_argb[i] = 0.0f;
+				toon_texture_argb[i] = 0.0f;
+			}
+		}
+		int material_index;
+		uint8_t offset_operation;
+		float diffuse[4];
+		float specular[3];
+		float specularity;
+		float ambient[3];
+		float edge_color[4];
+		float edge_size;
+		float texture_argb[4];
+		float sphere_texture_argb[4];
+		float toon_texture_argb[4];
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphGroupOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphGroupOffset()
+			: morph_index(0)
+			, morph_weight(0.0f)
+		{}
+		int morph_index;
+		float morph_weight;
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphFlipOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphFlipOffset()
+			: morph_index(0)
+			, morph_value(0.0f)
+		{}
+		int morph_index;
+		float morph_value;
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorphImplusOffset : public PmxMorphOffset
+	{
+	public:
+		PmxMorphImplusOffset()
+			: rigid_body_index(0)
+			, is_local(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				velocity[i] = 0.0f;
+				angular_torque[i] = 0.0f;
+			}
+		}
+		int rigid_body_index;
+		uint8_t is_local;
+		float velocity[3];
+		float angular_torque[3];
+		void Read(std::istream *stream, PmxSetting *setting); //override;
+	};
+
+	class PmxMorph
+	{
+	public:
+		PmxMorph()
+			: offset_count(0)
+		{
+		}
+		std::string morph_name;
+		std::string morph_english_name;
+		MorphCategory category;
+		MorphType morph_type;
+		int offset_count;
+		std::unique_ptr<PmxMorphVertexOffset []> vertex_offsets;
+		std::unique_ptr<PmxMorphUVOffset []> uv_offsets;
+		std::unique_ptr<PmxMorphBoneOffset []> bone_offsets;
+		std::unique_ptr<PmxMorphMaterialOffset []> material_offsets;
+		std::unique_ptr<PmxMorphGroupOffset []> group_offsets;
+		std::unique_ptr<PmxMorphFlipOffset []> flip_offsets;
+		std::unique_ptr<PmxMorphImplusOffset []> implus_offsets;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxFrameElement
+	{
+	public:
+		PmxFrameElement()
+			: element_target(0)
+			, index(0)
+		{
+		}
+		uint8_t element_target;
+		int index;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxFrame
+	{
+	public:
+		PmxFrame()
+			: frame_flag(0)
+			, element_count(0)
+		{
+		}
+		std::string frame_name;
+		std::string frame_english_name;
+		uint8_t frame_flag;
+		int element_count;
+		std::unique_ptr<PmxFrameElement []> elements;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxRigidBody
+	{
+	public:
+		PmxRigidBody()
+			: target_bone(0)
+			, group(0)
+			, mask(0)
+			, shape(0)
+			, mass(0.0f)
+			, move_attenuation(0.0f)
+			, rotation_attenuation(0.0f)
+			, repulsion(0.0f)
+			, friction(0.0f)
+			, physics_calc_type(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				size[i] = 0.0f;
+				position[i] = 0.0f;
+				orientation[i] = 0.0f;
+			}
+		}
+		std::string girid_body_name;
+		std::string girid_body_english_name;
+		int target_bone;
+		uint8_t group;
+		uint16_t mask;
+		uint8_t shape;
+		float size[3];
+		float position[3];
+		float orientation[3];
+		float mass;
+		float move_attenuation;
+		float rotation_attenuation;
+		float repulsion;
+		float friction;
+		uint8_t physics_calc_type;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	enum class PmxJointType : uint8_t
+	{
+		Generic6DofSpring = 0,
+		Generic6Dof = 1,
+		Point2Point = 2,
+		ConeTwist = 3,
+		Slider = 5,
+		Hinge = 6
+	};
+
+	class PmxJointParam
+	{
+	public:
+		PmxJointParam()
+			: rigid_body1(0)
+			, rigid_body2(0)
+		{
+			for (int i = 0; i < 3; ++i) {
+				position[i] = 0.0f;
+				orientaiton[i] = 0.0f;
+				move_limitation_min[i] = 0.0f;
+				move_limitation_max[i] = 0.0f;
+				rotation_limitation_min[i] = 0.0f;
+				rotation_limitation_max[i] = 0.0f;
+				spring_move_coefficient[i] = 0.0f;
+				spring_rotation_coefficient[i] = 0.0f;
+			}
+		}
+		int rigid_body1;
+		int rigid_body2;
+		float position[3];
+		float orientaiton[3];
+		float move_limitation_min[3];
+		float move_limitation_max[3];
+		float rotation_limitation_min[3];
+		float rotation_limitation_max[3];
+		float spring_move_coefficient[3];
+		float spring_rotation_coefficient[3];
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxJoint
+	{
+	public:
+		std::string joint_name;
+		std::string joint_english_name;
+		PmxJointType joint_type;
+		PmxJointParam param;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	enum PmxSoftBodyFlag : uint8_t
+	{
+		BLink = 0x01,
+		Cluster = 0x02,
+		Link = 0x04
+	};
+
+	class PmxAncherRigidBody
+	{
+	public:
+		PmxAncherRigidBody()
+			: related_rigid_body(0)
+			, related_vertex(0)
+			, is_near(false)
+		{}
+		int related_rigid_body;
+		int related_vertex;
+		bool is_near;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxSoftBody
+	{
+	public:
+		PmxSoftBody()
+			: shape(0)
+			, target_material(0)
+			, group(0)
+			, mask(0)
+			, blink_distance(0)
+			, cluster_count(0)
+			, mass(0.0)
+			, collisioni_margin(0.0)
+			, aero_model(0)
+			, VCF(0.0f)
+			, DP(0.0f)
+			, DG(0.0f)
+			, LF(0.0f)
+			, PR(0.0f)
+			, VC(0.0f)
+			, DF(0.0f)
+			, MT(0.0f)
+			, CHR(0.0f)
+			, KHR(0.0f)
+			, SHR(0.0f)
+			, AHR(0.0f)
+			, SRHR_CL(0.0f)
+			, SKHR_CL(0.0f)
+			, SSHR_CL(0.0f)
+			, SR_SPLT_CL(0.0f)
+			, SK_SPLT_CL(0.0f)
+			, SS_SPLT_CL(0.0f)
+			, V_IT(0)
+			, P_IT(0)
+			, D_IT(0)
+			, C_IT(0)
+			, LST(0.0f)
+			, AST(0.0f)
+			, VST(0.0f)
+			, anchor_count(0)
+			, pin_vertex_count(0)
+		{}
+		std::string soft_body_name;
+		std::string soft_body_english_name;
+		uint8_t shape;
+		int target_material;
+		uint8_t group;
+		uint16_t mask;
+		PmxSoftBodyFlag flag;
+		int blink_distance;
+		int cluster_count;
+		float mass;
+		float collisioni_margin;
+		int aero_model;
+		float VCF;
+		float DP;
+		float DG;
+		float LF;
+		float PR;
+		float VC;
+		float DF;
+		float MT;
+		float CHR;
+		float KHR;
+		float SHR;
+		float AHR;
+		float SRHR_CL;
+		float SKHR_CL;
+		float SSHR_CL;
+		float SR_SPLT_CL;
+		float SK_SPLT_CL;
+		float SS_SPLT_CL;
+		int V_IT;
+		int P_IT;
+		int D_IT;
+		int C_IT;
+		float LST;
+		float AST;
+		float VST;
+		int anchor_count;
+		std::unique_ptr<PmxAncherRigidBody []> anchers;
+		int pin_vertex_count;
+		std::unique_ptr<int []> pin_vertices;
+		void Read(std::istream *stream, PmxSetting *setting);
+	};
+
+	class PmxModel
+	{
+	public:
+		PmxModel()
+			: version(0.0f)
+			, vertex_count(0)
+			, index_count(0)
+			, texture_count(0)
+			, material_count(0)
+			, bone_count(0)
+			, morph_count(0)
+			, frame_count(0)
+			, rigid_body_count(0)
+			, joint_count(0)
+			, soft_body_count(0)
+		{}
+
+		float version;
+		PmxSetting setting;
+		std::string model_name;
+		std::string model_english_name;
+		std::string model_comment;
+		std::string model_english_comment;
+		int vertex_count;
+		std::unique_ptr<PmxVertex []> vertices;
+		int index_count;
+		std::unique_ptr<int []> indices;
+		int texture_count;
+		std::unique_ptr< std::string []> textures;
+		int material_count;
+		std::unique_ptr<PmxMaterial []> materials;
+		int bone_count;
+		std::unique_ptr<PmxBone []> bones;
+		int morph_count;
+		std::unique_ptr<PmxMorph []> morphs;
+		int frame_count;
+		std::unique_ptr<PmxFrame [] > frames;
+		int rigid_body_count;
+		std::unique_ptr<PmxRigidBody []> rigid_bodies;
+		int joint_count;
+		std::unique_ptr<PmxJoint []> joints;
+		int soft_body_count;
+		std::unique_ptr<PmxSoftBody []> soft_bodies;
+		void Init();
+		void Read(std::istream *stream);
+		//static std::unique_ptr<PmxModel> ReadFromFile(const char *filename);
+		//static std::unique_ptr<PmxModel> ReadFromStream(std::istream *stream);
+	};
+}
diff --git a/thirdparty/assimp/code/MMDVmdParser.h b/thirdparty/assimp/code/MMDVmdParser.h
new file mode 100644
index 0000000000..947c3a2422
--- /dev/null
+++ b/thirdparty/assimp/code/MMDVmdParser.h
@@ -0,0 +1,376 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include <vector>
+#include <string>
+#include <memory>
+#include <iostream>
+#include <fstream>
+#include <ostream>
+#include "MMDCpp14.h"
+
+namespace vmd
+{
+	class VmdBoneFrame
+	{
+	public:
+		std::string name;
+		int frame;
+		float position[3];
+		float orientation[4];
+		char interpolation[4][4][4];
+
+		void Read(std::istream* stream)
+		{
+			char buffer[15];
+			stream->read((char*) buffer, sizeof(char)*15);
+			name = std::string(buffer);
+			stream->read((char*) &frame, sizeof(int));
+			stream->read((char*) position, sizeof(float)*3);
+			stream->read((char*) orientation, sizeof(float)*4);
+			stream->read((char*) interpolation, sizeof(char) * 4 * 4 * 4);
+		}
+
+		void Write(std::ostream* stream)
+		{
+			stream->write((char*)name.c_str(), sizeof(char) * 15);
+			stream->write((char*)&frame, sizeof(int));
+			stream->write((char*)position, sizeof(float) * 3);
+			stream->write((char*)orientation, sizeof(float) * 4);
+			stream->write((char*)interpolation, sizeof(char) * 4 * 4 * 4);
+		}
+	};
+
+	class VmdFaceFrame
+	{
+	public:
+		std::string face_name;
+		float weight;
+		uint32_t frame;
+
+		void Read(std::istream* stream)
+		{
+			char buffer[15];
+			stream->read((char*) &buffer, sizeof(char) * 15);
+			face_name = std::string(buffer);
+			stream->read((char*) &frame, sizeof(int));
+			stream->read((char*) &weight, sizeof(float));
+		}
+
+		void Write(std::ostream* stream)
+		{
+			stream->write((char*)face_name.c_str(), sizeof(char) * 15);
+			stream->write((char*)&frame, sizeof(int));
+			stream->write((char*)&weight, sizeof(float));
+		}
+	};
+
+	class VmdCameraFrame
+	{
+	public:
+		int frame;
+		float distance;
+		float position[3];
+		float orientation[3];
+		char interpolation[6][4];
+		float angle;
+		char unknown[3];
+
+		void Read(std::istream *stream)
+		{
+			stream->read((char*) &frame, sizeof(int));
+			stream->read((char*) &distance, sizeof(float));
+			stream->read((char*) position, sizeof(float) * 3);
+			stream->read((char*) orientation, sizeof(float) * 3);
+			stream->read((char*) interpolation, sizeof(char) * 24);
+			stream->read((char*) &angle, sizeof(float));
+			stream->read((char*) unknown, sizeof(char) * 3);
+		}
+
+		void Write(std::ostream *stream)
+		{
+			stream->write((char*)&frame, sizeof(int));
+			stream->write((char*)&distance, sizeof(float));
+			stream->write((char*)position, sizeof(float) * 3);
+			stream->write((char*)orientation, sizeof(float) * 3);
+			stream->write((char*)interpolation, sizeof(char) * 24);
+			stream->write((char*)&angle, sizeof(float));
+			stream->write((char*)unknown, sizeof(char) * 3);
+		}
+	};
+
+	class VmdLightFrame
+	{
+	public:
+		int frame;
+		float color[3];
+		float position[3];
+
+		void Read(std::istream* stream)
+		{
+			stream->read((char*) &frame, sizeof(int));
+			stream->read((char*) color, sizeof(float) * 3);
+			stream->read((char*) position, sizeof(float) * 3);
+		}
+
+		void Write(std::ostream* stream)
+		{
+			stream->write((char*)&frame, sizeof(int));
+			stream->write((char*)color, sizeof(float) * 3);
+			stream->write((char*)position, sizeof(float) * 3);
+		}
+	};
+
+	class VmdIkEnable
+	{
+	public:
+		std::string ik_name;
+		bool enable;
+	};
+
+	class VmdIkFrame
+	{
+	public:
+		int frame;
+		bool display;
+		std::vector<VmdIkEnable> ik_enable;
+
+		void Read(std::istream *stream)
+		{
+			char buffer[20];
+			stream->read((char*) &frame, sizeof(int));
+			stream->read((char*) &display, sizeof(uint8_t));
+			int ik_count;
+			stream->read((char*) &ik_count, sizeof(int));
+			ik_enable.resize(ik_count);
+			for (int i = 0; i < ik_count; i++)
+			{
+				stream->read(buffer, 20);
+				ik_enable[i].ik_name = std::string(buffer);
+				stream->read((char*) &ik_enable[i].enable, sizeof(uint8_t));
+			}
+		}
+
+		void Write(std::ostream *stream)
+		{
+			stream->write((char*)&frame, sizeof(int));
+			stream->write((char*)&display, sizeof(uint8_t));
+			int ik_count = static_cast<int>(ik_enable.size());
+			stream->write((char*)&ik_count, sizeof(int));
+			for (int i = 0; i < ik_count; i++)
+			{
+				const VmdIkEnable& ik_enable = this->ik_enable.at(i);
+				stream->write(ik_enable.ik_name.c_str(), 20);
+				stream->write((char*)&ik_enable.enable, sizeof(uint8_t));
+			}
+		}
+	};
+
+	class VmdMotion
+	{
+	public:
+		std::string model_name;
+		int version;
+		std::vector<VmdBoneFrame> bone_frames;
+		std::vector<VmdFaceFrame> face_frames;
+		std::vector<VmdCameraFrame> camera_frames;
+		std::vector<VmdLightFrame> light_frames;
+		std::vector<VmdIkFrame> ik_frames;
+
+		static std::unique_ptr<VmdMotion> LoadFromFile(char const *filename)
+		{
+			std::ifstream stream(filename, std::ios::binary);
+			auto result = LoadFromStream(&stream);
+			stream.close();
+			return result;
+		}
+
+		static std::unique_ptr<VmdMotion> LoadFromStream(std::ifstream *stream)
+		{
+
+			char buffer[30];
+			auto result = mmd::make_unique<VmdMotion>();
+
+			// magic and version
+			stream->read((char*) buffer, 30);
+			if (strncmp(buffer, "Vocaloid Motion Data", 20))
+			{
+				std::cerr << "invalid vmd file." << std::endl;
+				return nullptr;
+			}
+			result->version = std::atoi(buffer + 20);
+
+			// name
+			stream->read(buffer, 20);
+			result->model_name = std::string(buffer);
+
+			// bone frames
+			int bone_frame_num;
+			stream->read((char*) &bone_frame_num, sizeof(int));
+			result->bone_frames.resize(bone_frame_num);
+			for (int i = 0; i < bone_frame_num; i++)
+			{
+				result->bone_frames[i].Read(stream);
+			}
+
+			// face frames
+			int face_frame_num;
+			stream->read((char*) &face_frame_num, sizeof(int));
+			result->face_frames.resize(face_frame_num);
+			for (int i = 0; i < face_frame_num; i++)
+			{
+				result->face_frames[i].Read(stream);
+			}
+
+			// camera frames
+			int camera_frame_num;
+			stream->read((char*) &camera_frame_num, sizeof(int));
+			result->camera_frames.resize(camera_frame_num);
+			for (int i = 0; i < camera_frame_num; i++)
+			{
+				result->camera_frames[i].Read(stream);
+			}
+
+			// light frames
+			int light_frame_num;
+			stream->read((char*) &light_frame_num, sizeof(int));
+			result->light_frames.resize(light_frame_num);
+			for (int i = 0; i < light_frame_num; i++)
+			{
+				result->light_frames[i].Read(stream);
+			}
+
+			// unknown2
+			stream->read(buffer, 4);
+
+			// ik frames
+			if (stream->peek() != std::ios::traits_type::eof())
+			{
+				int ik_num;
+				stream->read((char*) &ik_num, sizeof(int));
+				result->ik_frames.resize(ik_num);
+				for (int i = 0; i < ik_num; i++)
+				{
+					result->ik_frames[i].Read(stream);
+				}
+			}
+
+			if (stream->peek() != std::ios::traits_type::eof())
+			{
+				std::cerr << "vmd stream has unknown data." << std::endl;
+			}
+
+			return result;
+		}
+
+        bool SaveToFile(const std::u16string& /*filename*/)
+		{
+			// TODO: How to adapt u16string to string?
+			/*
+			std::ofstream stream(filename.c_str(), std::ios::binary);
+			auto result = SaveToStream(&stream);
+			stream.close();
+			return result;
+			*/
+			return false;
+		}
+
+		bool SaveToStream(std::ofstream *stream)
+		{
+			std::string magic = "Vocaloid Motion Data 0002\0";
+			magic.resize(30);
+
+			// magic and version
+			stream->write(magic.c_str(), 30);
+
+			// name
+			stream->write(model_name.c_str(), 20);
+
+			// bone frames
+			const int bone_frame_num = static_cast<int>(bone_frames.size());
+			stream->write(reinterpret_cast<const char*>(&bone_frame_num), sizeof(int));
+			for (int i = 0; i < bone_frame_num; i++)
+			{
+				bone_frames[i].Write(stream);
+			}
+
+			// face frames
+			const int face_frame_num = static_cast<int>(face_frames.size());
+			stream->write(reinterpret_cast<const char*>(&face_frame_num), sizeof(int));
+			for (int i = 0; i < face_frame_num; i++)
+			{
+				face_frames[i].Write(stream);
+			}
+
+			// camera frames
+			const int camera_frame_num = static_cast<int>(camera_frames.size());
+			stream->write(reinterpret_cast<const char*>(&camera_frame_num), sizeof(int));
+			for (int i = 0; i < camera_frame_num; i++)
+			{
+				camera_frames[i].Write(stream);
+			}
+
+			// light frames
+			const int light_frame_num = static_cast<int>(light_frames.size());
+			stream->write(reinterpret_cast<const char*>(&light_frame_num), sizeof(int));
+			for (int i = 0; i < light_frame_num; i++)
+			{
+				light_frames[i].Write(stream);
+			}
+
+			// self shadow datas
+			const int self_shadow_num = 0;
+			stream->write(reinterpret_cast<const char*>(&self_shadow_num), sizeof(int));
+
+			// ik frames
+			const int ik_num = static_cast<int>(ik_frames.size());
+			stream->write(reinterpret_cast<const char*>(&ik_num), sizeof(int));
+			for (int i = 0; i < ik_num; i++)
+			{
+				ik_frames[i].Write(stream);
+			}
+
+			return true;
+		}
+	};
+}
diff --git a/thirdparty/assimp/code/MakeVerboseFormat.cpp b/thirdparty/assimp/code/MakeVerboseFormat.cpp
new file mode 100644
index 0000000000..50ff5ed93d
--- /dev/null
+++ b/thirdparty/assimp/code/MakeVerboseFormat.cpp
@@ -0,0 +1,226 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file Implementation of the post processing step "MakeVerboseFormat"
+*/
+
+
+#include "MakeVerboseFormat.h"
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+MakeVerboseFormatProcess::MakeVerboseFormatProcess()
+{
+    // nothing to do here
+}
+// ------------------------------------------------------------------------------------------------
+MakeVerboseFormatProcess::~MakeVerboseFormatProcess()
+{
+    // nothing to do here
+}
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void MakeVerboseFormatProcess::Execute( aiScene* pScene)
+{
+    ai_assert(NULL != pScene);
+    ASSIMP_LOG_DEBUG("MakeVerboseFormatProcess begin");
+
+    bool bHas = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
+    {
+        if( MakeVerboseFormat( pScene->mMeshes[a]))
+            bHas = true;
+    }
+    if (bHas) {
+        ASSIMP_LOG_INFO("MakeVerboseFormatProcess finished. There was much work to do ...");
+    } else {
+        ASSIMP_LOG_DEBUG("MakeVerboseFormatProcess. There was nothing to do.");
+    }
+
+    pScene->mFlags &= ~AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+bool MakeVerboseFormatProcess::MakeVerboseFormat(aiMesh* pcMesh)
+{
+    ai_assert(NULL != pcMesh);
+
+    unsigned int iOldNumVertices = pcMesh->mNumVertices;
+    const unsigned int iNumVerts = pcMesh->mNumFaces*3;
+
+    aiVector3D* pvPositions = new aiVector3D[ iNumVerts ];
+
+    aiVector3D* pvNormals = NULL;
+    if (pcMesh->HasNormals())
+    {
+        pvNormals = new aiVector3D[iNumVerts];
+    }
+    aiVector3D* pvTangents = NULL, *pvBitangents = NULL;
+    if (pcMesh->HasTangentsAndBitangents())
+    {
+        pvTangents = new aiVector3D[iNumVerts];
+        pvBitangents = new aiVector3D[iNumVerts];
+    }
+
+    aiVector3D* apvTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS] = {0};
+    aiColor4D* apvColorSets[AI_MAX_NUMBER_OF_COLOR_SETS] = {0};
+
+    unsigned int p = 0;
+    while (pcMesh->HasTextureCoords(p))
+        apvTextureCoords[p++] = new aiVector3D[iNumVerts];
+
+    p = 0;
+    while (pcMesh->HasVertexColors(p))
+        apvColorSets[p++] = new aiColor4D[iNumVerts];
+
+    // allocate enough memory to hold output bones and vertex weights ...
+    std::vector<aiVertexWeight>* newWeights = new std::vector<aiVertexWeight>[pcMesh->mNumBones];
+    for (unsigned int i = 0;i < pcMesh->mNumBones;++i) {
+        newWeights[i].reserve(pcMesh->mBones[i]->mNumWeights*3);
+    }
+
+    // iterate through all faces and build a clean list
+    unsigned int iIndex = 0;
+    for (unsigned int a = 0; a< pcMesh->mNumFaces;++a)
+    {
+        aiFace* pcFace = &pcMesh->mFaces[a];
+        for (unsigned int q = 0; q < pcFace->mNumIndices;++q,++iIndex)
+        {
+            // need to build a clean list of bones, too
+            for (unsigned int i = 0;i < pcMesh->mNumBones;++i)
+            {
+                for (unsigned int a = 0;  a < pcMesh->mBones[i]->mNumWeights;a++)
+                {
+                    const aiVertexWeight& w = pcMesh->mBones[i]->mWeights[a];
+                    if(pcFace->mIndices[q] == w.mVertexId)
+                    {
+                        aiVertexWeight wNew;
+                        wNew.mVertexId = iIndex;
+                        wNew.mWeight = w.mWeight;
+                        newWeights[i].push_back(wNew);
+                    }
+                }
+            }
+
+            pvPositions[iIndex] = pcMesh->mVertices[pcFace->mIndices[q]];
+
+            if (pcMesh->HasNormals())
+            {
+                pvNormals[iIndex] = pcMesh->mNormals[pcFace->mIndices[q]];
+            }
+            if (pcMesh->HasTangentsAndBitangents())
+            {
+                pvTangents[iIndex] = pcMesh->mTangents[pcFace->mIndices[q]];
+                pvBitangents[iIndex] = pcMesh->mBitangents[pcFace->mIndices[q]];
+            }
+
+            unsigned int p = 0;
+            while (pcMesh->HasTextureCoords(p))
+            {
+                apvTextureCoords[p][iIndex] = pcMesh->mTextureCoords[p][pcFace->mIndices[q]];
+                ++p;
+            }
+            p = 0;
+            while (pcMesh->HasVertexColors(p))
+            {
+                apvColorSets[p][iIndex] = pcMesh->mColors[p][pcFace->mIndices[q]];
+                ++p;
+            }
+            pcFace->mIndices[q] = iIndex;
+        }
+    }
+
+
+
+    // build output vertex weights
+    for (unsigned int i = 0;i < pcMesh->mNumBones;++i)
+    {
+        delete [] pcMesh->mBones[i]->mWeights;
+        if (!newWeights[i].empty()) {
+            pcMesh->mBones[i]->mWeights = new aiVertexWeight[newWeights[i].size()];
+            aiVertexWeight *weightToCopy = &( newWeights[i][0] );
+            memcpy(pcMesh->mBones[i]->mWeights, weightToCopy,
+                sizeof(aiVertexWeight) * newWeights[i].size());
+        } else {
+            pcMesh->mBones[i]->mWeights = NULL;
+        }
+    }
+    delete[] newWeights;
+
+    // delete the old members
+    delete[] pcMesh->mVertices;
+    pcMesh->mVertices = pvPositions;
+
+    p = 0;
+    while (pcMesh->HasTextureCoords(p))
+    {
+        delete[] pcMesh->mTextureCoords[p];
+        pcMesh->mTextureCoords[p] = apvTextureCoords[p];
+        ++p;
+    }
+    p = 0;
+    while (pcMesh->HasVertexColors(p))
+    {
+        delete[] pcMesh->mColors[p];
+        pcMesh->mColors[p] = apvColorSets[p];
+        ++p;
+    }
+    pcMesh->mNumVertices = iNumVerts;
+
+    if (pcMesh->HasNormals())
+    {
+        delete[] pcMesh->mNormals;
+        pcMesh->mNormals = pvNormals;
+    }
+    if (pcMesh->HasTangentsAndBitangents())
+    {
+        delete[] pcMesh->mTangents;
+        pcMesh->mTangents = pvTangents;
+        delete[] pcMesh->mBitangents;
+        pcMesh->mBitangents = pvBitangents;
+    }
+    return (pcMesh->mNumVertices != iOldNumVertices);
+}
diff --git a/thirdparty/assimp/code/MakeVerboseFormat.h b/thirdparty/assimp/code/MakeVerboseFormat.h
new file mode 100644
index 0000000000..d12db63ae1
--- /dev/null
+++ b/thirdparty/assimp/code/MakeVerboseFormat.h
@@ -0,0 +1,105 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to bring a given scene
+ into the verbose format that is expected by most postprocess steps.
+ This is the inverse of the "JoinIdenticalVertices" step. */
+#ifndef AI_MAKEVERBOSEFORMAT_H_INC
+#define AI_MAKEVERBOSEFORMAT_H_INC
+
+#include "BaseProcess.h"
+struct aiMesh;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** MakeVerboseFormatProcess: Class to convert an asset to the verbose
+ *  format which is expected by most postprocess steps.
+ *
+ * This is the inverse of what the "JoinIdenticalVertices" step is doing.
+ * This step has no official flag (since it wouldn't make sense to run it
+ * during import). It is intended for applications intending to modify the
+ * returned aiScene. After this step has been executed, they can execute
+ * other postprocess steps on the data. The code might also be useful to
+ * quickly adapt code that doesn't result in a verbose representation of
+ * the scene data.
+ * The step has been added because it was required by the viewer, however
+ * it has been moved to the main library since others might find it
+ * useful, too. */
+class ASSIMP_API_WINONLY MakeVerboseFormatProcess : public BaseProcess
+{
+public:
+
+
+    MakeVerboseFormatProcess();
+    ~MakeVerboseFormatProcess();
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not */
+    bool IsActive( unsigned int /*pFlags*/ ) const
+    {
+        // NOTE: There is no direct flag that corresponds to
+        // this postprocess step.
+        return false;
+    }
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at. */
+    void Execute( aiScene* pScene);
+
+
+private:
+
+    //! Apply the postprocess step to a given submesh
+    bool MakeVerboseFormat (aiMesh* pcMesh);
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_KILLNORMALPROCESS_H_INC
diff --git a/thirdparty/assimp/code/MaterialSystem.cpp b/thirdparty/assimp/code/MaterialSystem.cpp
new file mode 100644
index 0000000000..03d5a18a34
--- /dev/null
+++ b/thirdparty/assimp/code/MaterialSystem.cpp
@@ -0,0 +1,647 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  MaterialSystem.cpp
+ *  @brief Implementation of the material system of the library
+ */
+
+#include <assimp/Hash.h>
+#include <assimp/fast_atof.h>
+#include <assimp/ParsingUtils.h>
+#include "MaterialSystem.h"
+#include <assimp/types.h>
+#include <assimp/material.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/Macros.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Get a specific property from a material
+aiReturn aiGetMaterialProperty(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    const aiMaterialProperty** pPropOut)
+{
+    ai_assert( pMat != NULL );
+    ai_assert( pKey != NULL );
+    ai_assert( pPropOut != NULL );
+
+    /*  Just search for a property with exactly this name ..
+     *  could be improved by hashing, but it's possibly
+     *  no worth the effort (we're bound to C structures,
+     *  thus std::map or derivates are not applicable. */
+    for ( unsigned int i = 0; i < pMat->mNumProperties; ++i ) {
+        aiMaterialProperty* prop = pMat->mProperties[i];
+
+        if (prop /* just for safety ... */
+            && 0 == strcmp( prop->mKey.data, pKey )
+            && (UINT_MAX == type  || prop->mSemantic == type) /* UINT_MAX is a wild-card, but this is undocumented :-) */
+            && (UINT_MAX == index || prop->mIndex == index))
+        {
+            *pPropOut = pMat->mProperties[i];
+            return AI_SUCCESS;
+        }
+    }
+    *pPropOut = NULL;
+    return AI_FAILURE;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get an array of floating-point values from the material.
+aiReturn aiGetMaterialFloatArray(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    ai_real* pOut,
+    unsigned int* pMax)
+{
+    ai_assert( pOut != NULL );
+    ai_assert( pMat != NULL );
+
+    const aiMaterialProperty* prop;
+    aiGetMaterialProperty(pMat,pKey,type,index, (const aiMaterialProperty**) &prop);
+    if (!prop) {
+        return AI_FAILURE;
+    }
+
+    // data is given in floats, convert to ai_real
+    unsigned int iWrite = 0;
+    if( aiPTI_Float == prop->mType || aiPTI_Buffer == prop->mType)  {
+        iWrite = prop->mDataLength / sizeof(float);
+        if (pMax) {
+            iWrite = std::min(*pMax,iWrite); ;
+        }
+        for (unsigned int a = 0; a < iWrite;++a)    {
+            pOut[a] = static_cast<ai_real> ( reinterpret_cast<float*>(prop->mData)[a] );
+        }
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    // data is given in doubles, convert to float
+    else if( aiPTI_Double == prop->mType)  {
+        iWrite = prop->mDataLength / sizeof(double);
+        if (pMax) {
+            iWrite = std::min(*pMax,iWrite); ;
+        }
+        for (unsigned int a = 0; a < iWrite;++a)    {
+            pOut[a] = static_cast<ai_real> ( reinterpret_cast<double*>(prop->mData)[a] );
+        }
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    // data is given in ints, convert to float
+    else if( aiPTI_Integer == prop->mType)  {
+        iWrite = prop->mDataLength / sizeof(int32_t);
+        if (pMax) {
+            iWrite = std::min(*pMax,iWrite); ;
+        }
+        for (unsigned int a = 0; a < iWrite;++a)    {
+            pOut[a] = static_cast<ai_real> ( reinterpret_cast<int32_t*>(prop->mData)[a] );
+        }
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    // a string ... read floats separated by spaces
+    else {
+        if (pMax) {
+            iWrite = *pMax;
+        }
+        // strings are zero-terminated with a 32 bit length prefix, so this is safe
+        const char *cur = prop->mData + 4;
+        ai_assert( prop->mDataLength >= 5 );
+        ai_assert( !prop->mData[ prop->mDataLength - 1 ] );
+        for ( unsigned int a = 0; ;++a) {
+            cur = fast_atoreal_move<ai_real>(cur,pOut[a]);
+            if ( a==iWrite-1 ) {
+                break;
+            }
+            if ( !IsSpace(*cur) ) {
+                ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
+                    " is a string; failed to parse a float array out of it.");
+                return AI_FAILURE;
+            }
+        }
+
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get an array if integers from the material
+aiReturn aiGetMaterialIntegerArray(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    int* pOut,
+    unsigned int* pMax)
+{
+    ai_assert( pOut != NULL );
+    ai_assert( pMat != NULL );
+
+    const aiMaterialProperty* prop;
+    aiGetMaterialProperty(pMat,pKey,type,index,(const aiMaterialProperty**) &prop);
+    if (!prop) {
+        return AI_FAILURE;
+    }
+
+    // data is given in ints, simply copy it
+    unsigned int iWrite = 0;
+    if( aiPTI_Integer == prop->mType || aiPTI_Buffer == prop->mType)    {
+        iWrite = std::max(static_cast<unsigned int>(prop->mDataLength / sizeof(int32_t)), 1u);
+        if (pMax) {
+            iWrite = std::min(*pMax,iWrite);
+        }
+        if (1 == prop->mDataLength) {
+            // bool type, 1 byte
+            *pOut = static_cast<int>(*prop->mData);
+        }
+        else {
+            for (unsigned int a = 0; a < iWrite;++a) {
+                pOut[a] = static_cast<int>(reinterpret_cast<int32_t*>(prop->mData)[a]);
+            }
+        }
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    // data is given in floats convert to int
+    else if( aiPTI_Float == prop->mType)    {
+        iWrite = prop->mDataLength / sizeof(float);
+        if (pMax) {
+            iWrite = std::min(*pMax,iWrite); ;
+        }
+        for (unsigned int a = 0; a < iWrite;++a) {
+            pOut[a] = static_cast<int>(reinterpret_cast<float*>(prop->mData)[a]);
+        }
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    // it is a string ... no way to read something out of this
+    else    {
+        if (pMax) {
+            iWrite = *pMax;
+        }
+        // strings are zero-terminated with a 32 bit length prefix, so this is safe
+        const char *cur =  prop->mData+4;
+        ai_assert( prop->mDataLength >= 5 );
+        ai_assert( !prop->mData[ prop->mDataLength - 1 ] );
+        for (unsigned int a = 0; ;++a) {
+            pOut[a] = strtol10(cur,&cur);
+            if(a==iWrite-1) {
+                break;
+            }
+            if(!IsSpace(*cur)) {
+                ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
+                    " is a string; failed to parse an integer array out of it.");
+                return AI_FAILURE;
+            }
+        }
+
+        if (pMax) {
+            *pMax = iWrite;
+        }
+    }
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a color (3 or 4 floats) from the material
+aiReturn aiGetMaterialColor(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    aiColor4D* pOut)
+{
+    unsigned int iMax = 4;
+    const aiReturn eRet = aiGetMaterialFloatArray(pMat,pKey,type,index,(ai_real*)pOut,&iMax);
+
+    // if no alpha channel is defined: set it to 1.0
+    if (3 == iMax) {
+        pOut->a = 1.0;
+    }
+
+    return eRet;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a aiUVTransform (4 floats) from the material
+aiReturn aiGetMaterialUVTransform(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    aiUVTransform* pOut)
+{
+    unsigned int iMax = 4;
+    return aiGetMaterialFloatArray(pMat,pKey,type,index,(ai_real*)pOut,&iMax);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a string from the material
+aiReturn aiGetMaterialString(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    aiString* pOut)
+{
+    ai_assert (pOut != NULL);
+
+    const aiMaterialProperty* prop;
+    aiGetMaterialProperty(pMat,pKey,type,index,(const aiMaterialProperty**)&prop);
+    if (!prop) {
+        return AI_FAILURE;
+    }
+
+    if( aiPTI_String == prop->mType) {
+        ai_assert(prop->mDataLength>=5);
+
+        // The string is stored as 32 but length prefix followed by zero-terminated UTF8 data
+        pOut->length = static_cast<unsigned int>(*reinterpret_cast<uint32_t*>(prop->mData));
+
+        ai_assert( pOut->length+1+4==prop->mDataLength );
+        ai_assert( !prop->mData[ prop->mDataLength - 1 ] );
+        memcpy(pOut->data,prop->mData+4,pOut->length+1);
+    }
+    else {
+        // TODO - implement lexical cast as well
+        ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
+            " was found, but is no string" );
+        return AI_FAILURE;
+    }
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get the number of textures on a particular texture stack
+unsigned int aiGetMaterialTextureCount(const C_STRUCT aiMaterial* pMat,
+    C_ENUM aiTextureType type)
+{
+    ai_assert (pMat != NULL);
+
+    // Textures are always stored with ascending indices (ValidateDS provides a check, so we don't need to do it again)
+    unsigned int max = 0;
+    for (unsigned int i = 0; i < pMat->mNumProperties;++i) {
+        aiMaterialProperty* prop = pMat->mProperties[i];
+
+        if ( prop /* just a sanity check ... */
+            && 0 == strcmp( prop->mKey.data, _AI_MATKEY_TEXTURE_BASE )
+            && prop->mSemantic == type) {
+
+            max = std::max(max,prop->mIndex+1);
+        }
+    }
+    return max;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn aiGetMaterialTexture(const C_STRUCT aiMaterial* mat,
+    aiTextureType type,
+    unsigned int  index,
+    C_STRUCT aiString* path,
+    aiTextureMapping* _mapping  /*= NULL*/,
+    unsigned int* uvindex       /*= NULL*/,
+    ai_real* blend              /*= NULL*/,
+    aiTextureOp* op             /*= NULL*/,
+    aiTextureMapMode* mapmode   /*= NULL*/,
+    unsigned int* flags         /*= NULL*/
+    )
+{
+    ai_assert( NULL != mat );
+    ai_assert( NULL != path );
+
+    // Get the path to the texture
+    if (AI_SUCCESS != aiGetMaterialString(mat,AI_MATKEY_TEXTURE(type,index),path))  {
+        return AI_FAILURE;
+    }
+
+    // Determine mapping type
+    int mapping_ = static_cast<int>(aiTextureMapping_UV);
+    aiGetMaterialInteger(mat,AI_MATKEY_MAPPING(type,index), &mapping_);
+    aiTextureMapping mapping = static_cast<aiTextureMapping>(mapping_);
+    if (_mapping)
+        *_mapping = mapping;
+
+    // Get UV index
+    if (aiTextureMapping_UV == mapping && uvindex)  {
+        aiGetMaterialInteger(mat,AI_MATKEY_UVWSRC(type,index),(int*)uvindex);
+    }
+    // Get blend factor
+    if (blend)  {
+        aiGetMaterialFloat(mat,AI_MATKEY_TEXBLEND(type,index),blend);
+    }
+    // Get texture operation
+    if (op){
+        aiGetMaterialInteger(mat,AI_MATKEY_TEXOP(type,index),(int*)op);
+    }
+    // Get texture mapping modes
+    if (mapmode)    {
+        aiGetMaterialInteger(mat,AI_MATKEY_MAPPINGMODE_U(type,index),(int*)&mapmode[0]);
+        aiGetMaterialInteger(mat,AI_MATKEY_MAPPINGMODE_V(type,index),(int*)&mapmode[1]);
+    }
+    // Get texture flags
+    if (flags){
+        aiGetMaterialInteger(mat,AI_MATKEY_TEXFLAGS(type,index),(int*)flags);
+    }
+
+    return AI_SUCCESS;
+}
+
+
+static const unsigned int DefaultNumAllocated = 5;
+
+// ------------------------------------------------------------------------------------------------
+// Construction. Actually the one and only way to get an aiMaterial instance
+aiMaterial::aiMaterial() 
+: mProperties( nullptr )
+, mNumProperties( 0 )
+, mNumAllocated( DefaultNumAllocated ) {
+    // Allocate 5 entries by default
+    mProperties = new aiMaterialProperty*[ DefaultNumAllocated ];
+}
+
+// ------------------------------------------------------------------------------------------------
+aiMaterial::~aiMaterial()
+{
+    Clear();
+
+    delete[] mProperties;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiString aiMaterial::GetName() {
+    aiString name;
+    Get(AI_MATKEY_NAME, name);
+
+    return name;
+}
+
+// ------------------------------------------------------------------------------------------------
+void aiMaterial::Clear()
+{
+    for ( unsigned int i = 0; i < mNumProperties; ++i )    {
+        // delete this entry
+        delete mProperties[ i ];
+        AI_DEBUG_INVALIDATE_PTR(mProperties[i]);
+    }
+    mNumProperties = 0;
+
+    // The array remains allocated, we just invalidated its contents
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn aiMaterial::RemoveProperty ( const char* pKey,unsigned int type, unsigned int index )
+{
+    ai_assert( nullptr != pKey );
+
+    for (unsigned int i = 0; i < mNumProperties;++i) {
+        aiMaterialProperty* prop = mProperties[i];
+
+        if (prop && !strcmp( prop->mKey.data, pKey ) &&
+            prop->mSemantic == type && prop->mIndex == index)
+        {
+            // Delete this entry
+            delete mProperties[i];
+
+            // collapse the array behind --.
+            --mNumProperties;
+            for (unsigned int a = i; a < mNumProperties;++a)    {
+                mProperties[a] = mProperties[a+1];
+            }
+            return AI_SUCCESS;
+        }
+    }
+
+    return AI_FAILURE;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn aiMaterial::AddBinaryProperty (const void* pInput,
+    unsigned int pSizeInBytes,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    aiPropertyTypeInfo pType
+    )
+{
+    ai_assert( pInput != NULL );
+    ai_assert( pKey != NULL );
+    ai_assert( 0 != pSizeInBytes );
+
+    if ( 0 == pSizeInBytes ) {
+
+    }
+
+    // first search the list whether there is already an entry with this key
+    unsigned int iOutIndex( UINT_MAX );
+    for ( unsigned int i = 0; i < mNumProperties; ++i ) {
+        aiMaterialProperty *prop( mProperties[ i ] );
+
+        if (prop /* just for safety */ && !strcmp( prop->mKey.data, pKey ) &&
+            prop->mSemantic == type && prop->mIndex == index){
+
+            delete mProperties[i];
+            iOutIndex = i;
+        }
+    }
+
+    // Allocate a new material property
+    aiMaterialProperty* pcNew = new aiMaterialProperty();
+
+    // .. and fill it
+    pcNew->mType = pType;
+    pcNew->mSemantic = type;
+    pcNew->mIndex = index;
+
+    pcNew->mDataLength = pSizeInBytes;
+    pcNew->mData = new char[pSizeInBytes];
+    memcpy (pcNew->mData,pInput,pSizeInBytes);
+
+    pcNew->mKey.length = ::strlen(pKey);
+    ai_assert ( MAXLEN > pcNew->mKey.length);
+    strcpy( pcNew->mKey.data, pKey );
+
+    if (UINT_MAX != iOutIndex)  {
+        mProperties[iOutIndex] = pcNew;
+        return AI_SUCCESS;
+    }
+
+    // resize the array ... double the storage allocated
+    if (mNumProperties == mNumAllocated)    {
+        const unsigned int iOld = mNumAllocated;
+        mNumAllocated *= 2;
+
+        aiMaterialProperty** ppTemp;
+        try {
+            ppTemp = new aiMaterialProperty*[mNumAllocated];
+        } catch (std::bad_alloc&) {
+            delete pcNew;
+            return AI_OUTOFMEMORY;
+        }
+
+        // just copy all items over; then replace the old array
+        memcpy (ppTemp,mProperties,iOld * sizeof(void*));
+
+        delete[] mProperties;
+        mProperties = ppTemp;
+    }
+    // push back ...
+    mProperties[mNumProperties++] = pcNew;
+
+    return AI_SUCCESS;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiReturn aiMaterial::AddProperty (const aiString* pInput,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    // We don't want to add the whole buffer .. write a 32 bit length
+    // prefix followed by the zero-terminated UTF8 string.
+    // (HACK) I don't want to break the ABI now, but we definitely
+    // ought to change aiString::mLength to uint32_t one day.
+    if (sizeof(size_t) == 8) {
+        aiString copy = *pInput;
+        uint32_t* s = reinterpret_cast<uint32_t*>(&copy.length);
+        s[1] = static_cast<uint32_t>(pInput->length);
+
+        return AddBinaryProperty(s+1,
+            static_cast<unsigned int>(pInput->length+1+4),
+            pKey,
+            type,
+            index,
+            aiPTI_String);
+    }
+    ai_assert(sizeof(size_t)==4);
+    return AddBinaryProperty(pInput,
+        static_cast<unsigned int>(pInput->length+1+4),
+        pKey,
+        type,
+        index,
+        aiPTI_String);
+}
+
+// ------------------------------------------------------------------------------------------------
+uint32_t Assimp::ComputeMaterialHash(const aiMaterial* mat, bool includeMatName /*= false*/)
+{
+    uint32_t hash = 1503; // magic start value, chosen to be my birthday :-)
+    for ( unsigned int i = 0; i < mat->mNumProperties; ++i ) {
+        aiMaterialProperty* prop;
+
+        // Exclude all properties whose first character is '?' from the hash
+        // See doc for aiMaterialProperty.
+        if ((prop = mat->mProperties[i]) && (includeMatName || prop->mKey.data[0] != '?'))  {
+
+            hash = SuperFastHash(prop->mKey.data,(unsigned int)prop->mKey.length,hash);
+            hash = SuperFastHash(prop->mData,prop->mDataLength,hash);
+
+            // Combine the semantic and the index with the hash
+            hash = SuperFastHash((const char*)&prop->mSemantic,sizeof(unsigned int),hash);
+            hash = SuperFastHash((const char*)&prop->mIndex,sizeof(unsigned int),hash);
+        }
+    }
+    return hash;
+}
+
+// ------------------------------------------------------------------------------------------------
+void aiMaterial::CopyPropertyList(aiMaterial* pcDest,
+    const aiMaterial* pcSrc
+    )
+{
+    ai_assert(NULL != pcDest);
+    ai_assert(NULL != pcSrc);
+
+    unsigned int iOldNum = pcDest->mNumProperties;
+    pcDest->mNumAllocated += pcSrc->mNumAllocated;
+    pcDest->mNumProperties += pcSrc->mNumProperties;
+
+    aiMaterialProperty** pcOld = pcDest->mProperties;
+    pcDest->mProperties = new aiMaterialProperty*[pcDest->mNumAllocated];
+
+    if (iOldNum && pcOld)   {
+        for (unsigned int i = 0; i < iOldNum;++i) {
+            pcDest->mProperties[i] = pcOld[i];
+        }
+    }
+
+    if ( pcOld ) {
+        delete[] pcOld;
+    }
+
+    for (unsigned int i = iOldNum; i< pcDest->mNumProperties;++i)   {
+        aiMaterialProperty* propSrc = pcSrc->mProperties[i];
+
+        // search whether we have already a property with this name -> if yes, overwrite it
+        aiMaterialProperty* prop;
+        for ( unsigned int q = 0; q < iOldNum; ++q ) {
+            prop = pcDest->mProperties[q];
+            if (prop /* just for safety */ && prop->mKey == propSrc->mKey && prop->mSemantic == propSrc->mSemantic
+                && prop->mIndex == propSrc->mIndex) {
+                delete prop;
+
+                // collapse the whole array ...
+                memmove(&pcDest->mProperties[q],&pcDest->mProperties[q+1],i-q);
+                i--;
+                pcDest->mNumProperties--;
+            }
+        }
+
+        // Allocate the output property and copy the source property
+        prop = pcDest->mProperties[i] = new aiMaterialProperty();
+        prop->mKey = propSrc->mKey;
+        prop->mDataLength = propSrc->mDataLength;
+        prop->mType = propSrc->mType;
+        prop->mSemantic = propSrc->mSemantic;
+        prop->mIndex = propSrc->mIndex;
+
+        prop->mData = new char[propSrc->mDataLength];
+        memcpy(prop->mData,propSrc->mData,prop->mDataLength);
+    }
+}
diff --git a/thirdparty/assimp/code/MaterialSystem.h b/thirdparty/assimp/code/MaterialSystem.h
new file mode 100644
index 0000000000..67d53578cb
--- /dev/null
+++ b/thirdparty/assimp/code/MaterialSystem.h
@@ -0,0 +1,72 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file MaterialSystem.h
+ *  Now that #MaterialHelper is gone, this file only contains some
+ *  internal material utility functions.
+ */
+#ifndef AI_MATERIALSYSTEM_H_INC
+#define AI_MATERIALSYSTEM_H_INC
+
+#include <stdint.h>
+
+struct aiMaterial;
+
+namespace Assimp    {
+
+// ------------------------------------------------------------------------------
+/** Computes a hash (hopefully unique) from all material properties
+ *  The hash value reflects the current property state, so if you add any
+ *  property and call this method again, the resulting hash value will be
+ *  different. The hash is not persistent across different builds and platforms.
+ *
+ *  @param  includeMatName Set to 'true' to take all properties with
+ *    '?' as initial character in their name into account.
+ *    Currently #AI_MATKEY_NAME is the only example.
+ *  @return 32 Bit jash value for the material
+ */
+uint32_t ComputeMaterialHash(const aiMaterial* mat, bool includeMatName = false);
+
+
+} // ! namespace Assimp
+
+#endif //!! AI_MATERIALSYSTEM_H_INC
diff --git a/thirdparty/assimp/code/OptimizeGraph.cpp b/thirdparty/assimp/code/OptimizeGraph.cpp
new file mode 100644
index 0000000000..add9ab79e1
--- /dev/null
+++ b/thirdparty/assimp/code/OptimizeGraph.cpp
@@ -0,0 +1,353 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  OptimizeGraph.cpp
+ *  @brief Implementation of the aiProcess_OptimizGraph step
+ */
+
+
+#ifndef ASSIMP_BUILD_NO_OPTIMIZEGRAPH_PROCESS
+
+#include "OptimizeGraph.h"
+#include "ProcessHelper.h"
+#include <assimp/SceneCombiner.h>
+#include <assimp/Exceptional.h>
+#include <stdio.h>
+
+using namespace Assimp;
+
+#define AI_RESERVED_NODE_NAME "$Reserved_And_Evil"
+
+/* AI_OG_USE_HASHING enables the use of hashing to speed-up std::set lookups.
+ * The unhashed variant should be faster, except for *very* large data sets
+ */
+#ifdef AI_OG_USE_HASHING
+    // Use our standard hashing function to compute the hash
+#   define AI_OG_GETKEY(str) SuperFastHash(str.data,str.length)
+#else
+    // Otherwise hope that std::string will utilize a static buffer
+    // for shorter node names. This would avoid endless heap copying.
+#   define AI_OG_GETKEY(str) std::string(str.data)
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+OptimizeGraphProcess::OptimizeGraphProcess()
+: mScene()
+, nodes_in()
+, nodes_out()
+, count_merged() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+OptimizeGraphProcess::~OptimizeGraphProcess() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool OptimizeGraphProcess::IsActive( unsigned int pFlags) const {
+    return (0 != (pFlags & aiProcess_OptimizeGraph));
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties for the post-processing step
+void OptimizeGraphProcess::SetupProperties(const Importer* pImp) {
+    // Get value of AI_CONFIG_PP_OG_EXCLUDE_LIST
+    std::string tmp = pImp->GetPropertyString(AI_CONFIG_PP_OG_EXCLUDE_LIST,"");
+    AddLockedNodeList(tmp);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Collect new children
+void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes) {
+    nodes_in += nd->mNumChildren;
+
+    // Process children
+    std::list<aiNode*> child_nodes;
+    for (unsigned int i = 0; i < nd->mNumChildren; ++i) {
+        CollectNewChildren(nd->mChildren[i],child_nodes);
+        nd->mChildren[i] = nullptr;
+    }
+
+    // Check whether we need this node; if not we can replace it by our own children (warn, danger of incest).
+    if (locked.find(AI_OG_GETKEY(nd->mName)) == locked.end() ) {
+        for (std::list<aiNode*>::iterator it = child_nodes.begin(); it != child_nodes.end();) {
+
+            if (locked.find(AI_OG_GETKEY((*it)->mName)) == locked.end()) {
+                (*it)->mTransformation = nd->mTransformation * (*it)->mTransformation;
+                nodes.push_back(*it);
+
+                it = child_nodes.erase(it);
+                continue;
+            }
+            ++it;
+        }
+
+        if (nd->mNumMeshes || !child_nodes.empty()) {
+            nodes.push_back(nd);
+        } else {
+            delete nd; /* bye, node */
+            return;
+        }
+    } else {
+
+        // Retain our current position in the hierarchy
+        nodes.push_back(nd);
+
+        // Now check for possible optimizations in our list of child nodes. join as many as possible
+        aiNode* join_master = NULL;
+        aiMatrix4x4 inv;
+
+        const LockedSetType::const_iterator end = locked.end();
+
+        std::list<aiNode*> join;
+        for (std::list<aiNode*>::iterator it = child_nodes.begin(); it != child_nodes.end();)   {
+            aiNode* child = *it;
+            if (child->mNumChildren == 0 && locked.find(AI_OG_GETKEY(child->mName)) == end) {
+
+                // There may be no instanced meshes
+                unsigned int n = 0;
+                for (; n < child->mNumMeshes;++n) {
+                    if (meshes[child->mMeshes[n]] > 1) {
+                        break;
+                    }
+                }
+                if (n == child->mNumMeshes) {
+                    if (!join_master) {
+                        join_master = child;
+                        inv = join_master->mTransformation;
+                        inv.Inverse();
+                    } else {
+                        child->mTransformation = inv * child->mTransformation ;
+
+                        join.push_back(child);
+                        it = child_nodes.erase(it);
+                        continue;
+                    }
+                }
+            }
+            ++it;
+        }
+        if (join_master && !join.empty()) {
+            join_master->mName.length = ::ai_snprintf(join_master->mName.data, MAXLEN, "$MergedNode_%i",count_merged++);
+
+            unsigned int out_meshes = 0;
+            for (std::list<aiNode*>::iterator it = join.begin(); it != join.end(); ++it) {
+                out_meshes += (*it)->mNumMeshes;
+            }
+
+            // copy all mesh references in one array
+            if (out_meshes) {
+                unsigned int* meshes = new unsigned int[out_meshes+join_master->mNumMeshes], *tmp = meshes;
+                for (unsigned int n = 0; n < join_master->mNumMeshes;++n) {
+                    *tmp++ = join_master->mMeshes[n];
+                }
+
+                for (std::list<aiNode*>::iterator it = join.begin(); it != join.end(); ++it) {
+                    for (unsigned int n = 0; n < (*it)->mNumMeshes; ++n) {
+
+                        *tmp = (*it)->mMeshes[n];
+                        aiMesh* mesh = mScene->mMeshes[*tmp++];
+
+                        // manually move the mesh into the right coordinate system
+                        const aiMatrix3x3 IT = aiMatrix3x3( (*it)->mTransformation ).Inverse().Transpose();
+                        for (unsigned int a = 0; a < mesh->mNumVertices; ++a) {
+
+                            mesh->mVertices[a] *= (*it)->mTransformation;
+
+                            if (mesh->HasNormals())
+                                mesh->mNormals[a] *= IT;
+
+                            if (mesh->HasTangentsAndBitangents()) {
+                                mesh->mTangents[a] *= IT;
+                                mesh->mBitangents[a] *= IT;
+                            }
+                        }
+                    }
+                    delete *it; // bye, node
+                }
+                delete[] join_master->mMeshes;
+                join_master->mMeshes = meshes;
+                join_master->mNumMeshes += out_meshes;
+            }
+        }
+    }
+    // reassign children if something changed
+    if (child_nodes.empty() || child_nodes.size() > nd->mNumChildren) {
+
+        delete[] nd->mChildren;
+
+        if (!child_nodes.empty()) {
+            nd->mChildren = new aiNode*[child_nodes.size()];
+        }
+        else nd->mChildren = nullptr;
+    }
+
+    nd->mNumChildren = static_cast<unsigned int>(child_nodes.size());
+
+    if (nd->mChildren) {
+        aiNode** tmp = nd->mChildren;
+        for (std::list<aiNode*>::iterator it = child_nodes.begin(); it != child_nodes.end(); ++it) {
+            aiNode* node = *tmp++ = *it;
+            node->mParent = nd;
+        }
+    }
+
+    nodes_out += static_cast<unsigned int>(child_nodes.size());
+}
+
+// ------------------------------------------------------------------------------------------------
+// Execute the post-processing step on the given scene
+void OptimizeGraphProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("OptimizeGraphProcess begin");
+    nodes_in = nodes_out = count_merged = 0;
+    mScene = pScene;
+
+    meshes.resize(pScene->mNumMeshes,0);
+    FindInstancedMeshes(pScene->mRootNode);
+
+    // build a blacklist of identifiers. If the name of a node matches one of these, we won't touch it
+    locked.clear();
+    for (std::list<std::string>::const_iterator it = locked_nodes.begin(); it != locked_nodes.end(); ++it) {
+#ifdef AI_OG_USE_HASHING
+        locked.insert(SuperFastHash((*it).c_str()));
+#else
+        locked.insert(*it);
+#endif
+    }
+
+    for (unsigned int i = 0; i < pScene->mNumAnimations; ++i) {
+        for (unsigned int a = 0; a < pScene->mAnimations[i]->mNumChannels; ++a) {
+            aiNodeAnim* anim = pScene->mAnimations[i]->mChannels[a];
+            locked.insert(AI_OG_GETKEY(anim->mNodeName));
+        }
+    }
+
+    for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+        for (unsigned int a = 0; a < pScene->mMeshes[i]->mNumBones; ++a) {
+
+            aiBone* bone = pScene->mMeshes[i]->mBones[a];
+            locked.insert(AI_OG_GETKEY(bone->mName));
+
+            // HACK: Meshes referencing bones may not be transformed; we need to look them.
+            // The easiest way to do this is to increase their reference counters ...
+            meshes[i] += 2;
+        }
+    }
+
+    for (unsigned int i = 0; i < pScene->mNumCameras; ++i) {
+        aiCamera* cam = pScene->mCameras[i];
+        locked.insert(AI_OG_GETKEY(cam->mName));
+    }
+
+    for (unsigned int i = 0; i < pScene->mNumLights; ++i) {
+        aiLight* lgh = pScene->mLights[i];
+        locked.insert(AI_OG_GETKEY(lgh->mName));
+    }
+
+    // Insert a dummy master node and make it read-only
+    aiNode* dummy_root = new aiNode(AI_RESERVED_NODE_NAME);
+    locked.insert(AI_OG_GETKEY(dummy_root->mName));
+
+    const aiString prev = pScene->mRootNode->mName;
+    pScene->mRootNode->mParent = dummy_root;
+
+    dummy_root->mChildren = new aiNode*[dummy_root->mNumChildren = 1];
+    dummy_root->mChildren[0] = pScene->mRootNode;
+
+    // Do our recursive processing of scenegraph nodes. For each node collect
+    // a fully new list of children and allow their children to place themselves
+    // on the same hierarchy layer as their parents.
+    std::list<aiNode*> nodes;
+    CollectNewChildren (dummy_root,nodes);
+
+    ai_assert(nodes.size() == 1);
+
+    if (dummy_root->mNumChildren == 0) {
+        pScene->mRootNode = NULL;
+        throw DeadlyImportError("After optimizing the scene graph, no data remains");
+    }
+
+    if (dummy_root->mNumChildren > 1) {
+        pScene->mRootNode = dummy_root;
+
+        // Keep the dummy node but assign the name of the old root node to it
+        pScene->mRootNode->mName = prev;
+    }
+    else {
+
+        // Remove the dummy root node again.
+        pScene->mRootNode = dummy_root->mChildren[0];
+
+        dummy_root->mChildren[0] = NULL;
+        delete dummy_root;
+    }
+
+    pScene->mRootNode->mParent = NULL;
+    if (!DefaultLogger::isNullLogger()) {
+        if ( nodes_in != nodes_out) {
+            ASSIMP_LOG_INFO_F("OptimizeGraphProcess finished; Input nodes: ", nodes_in, ", Output nodes: ", nodes_out);
+        } else {
+            ASSIMP_LOG_DEBUG("OptimizeGraphProcess finished");
+        }
+    }
+    meshes.clear();
+    locked.clear();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a LUT of all instanced meshes
+void OptimizeGraphProcess::FindInstancedMeshes (aiNode* pNode)
+{
+    for (unsigned int i = 0; i < pNode->mNumMeshes;++i) {
+        ++meshes[pNode->mMeshes[i]];
+    }
+
+    for (unsigned int i = 0; i < pNode->mNumChildren; ++i)
+        FindInstancedMeshes(pNode->mChildren[i]);
+}
+
+#endif // !! ASSIMP_BUILD_NO_OPTIMIZEGRAPH_PROCESS
diff --git a/thirdparty/assimp/code/OptimizeGraph.h b/thirdparty/assimp/code/OptimizeGraph.h
new file mode 100644
index 0000000000..e5bbed7679
--- /dev/null
+++ b/thirdparty/assimp/code/OptimizeGraph.h
@@ -0,0 +1,145 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  OptimizeGraph.h
+ *  @brief Declares a post processing step to optimize the scenegraph
+ */
+#ifndef AI_OPTIMIZEGRAPHPROCESS_H_INC
+#define AI_OPTIMIZEGRAPHPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include "ProcessHelper.h"
+#include <assimp/types.h>
+#include <set>
+
+struct aiMesh;
+class OptimizeGraphProcessTest;
+namespace Assimp    {
+
+// -----------------------------------------------------------------------------
+/** @brief Postprocessing step to optimize the scenegraph
+ *
+ *  The implementation tries to merge nodes, even if they use different
+ *  transformations. Animations are preserved.
+ *
+ *  @see aiProcess_OptimizeGraph for a detailed description of the
+ *  algorithm being applied.
+ */
+class OptimizeGraphProcess : public BaseProcess
+{
+public:
+
+    OptimizeGraphProcess();
+    ~OptimizeGraphProcess();
+
+public:
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    void SetupProperties(const Importer* pImp);
+
+
+    // -------------------------------------------------------------------
+    /** @brief Add a list of node names to be locked and not modified.
+     *  @param in List of nodes. See #AI_CONFIG_PP_OG_EXCLUDE_LIST for
+     *    format explanations.
+     */
+    inline void AddLockedNodeList(std::string& in)
+    {
+        ConvertListToStrings (in,locked_nodes);
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Add another node to be locked and not modified.
+     *  @param name Name to be locked
+     */
+    inline void AddLockedNode(std::string& name)
+    {
+        locked_nodes.push_back(name);
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Remove a node from the list of locked nodes.
+     *  @param name Name to be unlocked
+     */
+    inline void RemoveLockedNode(std::string& name)
+    {
+        locked_nodes.remove(name);
+    }
+
+protected:
+
+    void CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes);
+    void FindInstancedMeshes (aiNode* pNode);
+
+private:
+
+#ifdef AI_OG_USE_HASHING
+    typedef std::set<unsigned int> LockedSetType;
+#else
+    typedef std::set<std::string> LockedSetType;
+#endif
+
+
+    //! Scene we're working with
+    aiScene* mScene;
+
+    //! List of locked names. Stored is the hash of the name
+    LockedSetType locked;
+
+    //! List of nodes to be locked in addition to those with animations, lights or cameras assigned.
+    std::list<std::string> locked_nodes;
+
+    //! Node counters for logging purposes
+    unsigned int nodes_in,nodes_out, count_merged;
+
+    //! Reference counters for meshes
+    std::vector<unsigned int> meshes;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_OPTIMIZEGRAPHPROCESS_H_INC
diff --git a/thirdparty/assimp/code/OptimizeMeshes.cpp b/thirdparty/assimp/code/OptimizeMeshes.cpp
new file mode 100644
index 0000000000..3f6765f6ca
--- /dev/null
+++ b/thirdparty/assimp/code/OptimizeMeshes.cpp
@@ -0,0 +1,256 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  OptimizeMeshes.cpp
+ *  @brief Implementation of the aiProcess_OptimizeMeshes step
+ */
+
+
+#ifndef ASSIMP_BUILD_NO_OPTIMIZEMESHES_PROCESS
+
+
+#include "OptimizeMeshes.h"
+#include "ProcessHelper.h"
+#include <assimp/SceneCombiner.h>
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+static const unsigned int NotSet   = 0xffffffff;
+static const unsigned int DeadBeef = 0xdeadbeef;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+OptimizeMeshesProcess::OptimizeMeshesProcess()
+    : mScene()
+    , pts(false)
+    , max_verts( NotSet )
+    , max_faces( NotSet ) {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+OptimizeMeshesProcess::~OptimizeMeshesProcess() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool OptimizeMeshesProcess::IsActive( unsigned int pFlags) const
+{
+    // Our behaviour needs to be different if the SortByPType or SplitLargeMeshes
+    // steps are active. Thus we need to query their flags here and store the
+    // information, although we're breaking const-correctness.
+    // That's a serious design flaw, consider redesign.
+    if( 0 != (pFlags & aiProcess_OptimizeMeshes) ) {
+        pts = (0 != (pFlags & aiProcess_SortByPType));
+        max_verts = ( 0 != ( pFlags & aiProcess_SplitLargeMeshes ) ) ? DeadBeef : max_verts;
+        return true;
+    }
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties for the post-processing step
+void OptimizeMeshesProcess::SetupProperties(const Importer* pImp)
+{
+    if( max_verts == DeadBeef /* magic hack */ ) {
+        max_faces = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT,AI_SLM_DEFAULT_MAX_TRIANGLES);
+        max_verts = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT,AI_SLM_DEFAULT_MAX_VERTICES);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Execute step
+void OptimizeMeshesProcess::Execute( aiScene* pScene)
+{
+    const unsigned int num_old = pScene->mNumMeshes;
+    if (num_old <= 1) {
+        ASSIMP_LOG_DEBUG("Skipping OptimizeMeshesProcess");
+        return;
+    }
+
+    ASSIMP_LOG_DEBUG("OptimizeMeshesProcess begin");
+    mScene = pScene;
+
+    // need to clear persistent members from previous runs
+    merge_list.resize( 0 );
+    output.resize( 0 );
+
+    // ensure we have the right sizes
+    merge_list.reserve(pScene->mNumMeshes);
+    output.reserve(pScene->mNumMeshes);
+
+    // Prepare lookup tables
+    meshes.resize(pScene->mNumMeshes);
+    FindInstancedMeshes(pScene->mRootNode);
+    if( max_verts == DeadBeef ) /* undo the magic hack */
+        max_verts = NotSet;
+
+    // ... instanced meshes are immediately processed and added to the output list
+    for (unsigned int i = 0, n = 0; i < pScene->mNumMeshes;++i) {
+        meshes[i].vertex_format = GetMeshVFormatUnique(pScene->mMeshes[i]);
+
+        if (meshes[i].instance_cnt > 1 && meshes[i].output_id == NotSet ) {
+            meshes[i].output_id = n++;
+            output.push_back(mScene->mMeshes[i]);
+        }
+    }
+
+    // and process all nodes in the scenegraph recursively
+    ProcessNode(pScene->mRootNode);
+    if (!output.size()) {
+        throw DeadlyImportError("OptimizeMeshes: No meshes remaining; there's definitely something wrong");
+    }
+
+    meshes.resize( 0 );
+    ai_assert(output.size() <= num_old);
+
+    mScene->mNumMeshes = static_cast<unsigned int>(output.size());
+    std::copy(output.begin(),output.end(),mScene->mMeshes);
+
+    if (output.size() != num_old) {
+        ASSIMP_LOG_DEBUG_F("OptimizeMeshesProcess finished. Input meshes: ", num_old, ", Output meshes: ", pScene->mNumMeshes);
+    } else {
+        ASSIMP_LOG_DEBUG( "OptimizeMeshesProcess finished" );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Process meshes for a single node
+void OptimizeMeshesProcess::ProcessNode( aiNode* pNode)
+{
+    for (unsigned int i = 0; i < pNode->mNumMeshes;++i) {
+        unsigned int& im = pNode->mMeshes[i];
+
+        if (meshes[im].instance_cnt > 1) {
+            im = meshes[im].output_id;
+        }
+        else  {
+            merge_list.resize( 0 );
+            unsigned int verts = 0, faces = 0;
+
+            // Find meshes to merge with us
+            for (unsigned int a = i+1; a < pNode->mNumMeshes;++a) {
+                unsigned int am = pNode->mMeshes[a];
+                if (meshes[am].instance_cnt == 1 && CanJoin(im,am,verts,faces)) {
+
+                    merge_list.push_back(mScene->mMeshes[am]);
+                    verts += mScene->mMeshes[am]->mNumVertices;
+                    faces += mScene->mMeshes[am]->mNumFaces;
+
+                    pNode->mMeshes[a] = pNode->mMeshes[pNode->mNumMeshes - 1];
+                    --pNode->mNumMeshes;
+                    --a;
+                }
+            }
+
+            // and merge all meshes which we found, replace the old ones
+            if (!merge_list.empty()) {
+                merge_list.push_back(mScene->mMeshes[im]);
+
+                aiMesh* out;
+                SceneCombiner::MergeMeshes(&out,0,merge_list.begin(),merge_list.end());
+                output.push_back(out);
+            } else {
+                output.push_back(mScene->mMeshes[im]);
+            }
+            im = static_cast<unsigned int>(output.size()-1);
+        }
+    }
+
+
+    for( unsigned int i = 0; i < pNode->mNumChildren; ++i ) {
+        ProcessNode( pNode->mChildren[ i ] );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Check whether two meshes can be joined
+bool OptimizeMeshesProcess::CanJoin ( unsigned int a, unsigned int b, unsigned int verts, unsigned int faces )
+{
+    if (meshes[a].vertex_format != meshes[b].vertex_format)
+        return false;
+
+    aiMesh* ma = mScene->mMeshes[a], *mb = mScene->mMeshes[b];
+
+    if ((NotSet != max_verts && verts+mb->mNumVertices > max_verts) ||
+        (NotSet != max_faces && faces+mb->mNumFaces    > max_faces)) {
+        return false;
+    }
+
+    // Never merge unskinned meshes with skinned meshes
+    if (ma->mMaterialIndex != mb->mMaterialIndex || ma->HasBones() != mb->HasBones())
+        return false;
+
+    // Never merge meshes with different kinds of primitives if SortByPType did already
+    // do its work. We would destroy everything again ...
+    if (pts && ma->mPrimitiveTypes != mb->mPrimitiveTypes)
+        return false;
+
+    // If both meshes are skinned, check whether we have many bones defined in both meshes.
+    // If yes, we can join them.
+    if (ma->HasBones()) {
+        // TODO
+        return false;
+    }
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a LUT of all instanced meshes
+void OptimizeMeshesProcess::FindInstancedMeshes (aiNode* pNode)
+{
+    for( unsigned int i = 0; i < pNode->mNumMeshes; ++i ) {
+        ++meshes[ pNode->mMeshes[ i ] ].instance_cnt;
+    }
+
+    for( unsigned int i = 0; i < pNode->mNumChildren; ++i ) {
+        FindInstancedMeshes( pNode->mChildren[ i ] );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+
+#endif // !! ASSIMP_BUILD_NO_OPTIMIZEMESHES_PROCESS
diff --git a/thirdparty/assimp/code/OptimizeMeshes.h b/thirdparty/assimp/code/OptimizeMeshes.h
new file mode 100644
index 0000000000..9f46f349b4
--- /dev/null
+++ b/thirdparty/assimp/code/OptimizeMeshes.h
@@ -0,0 +1,186 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  OptimizeMeshes.h
+ *  @brief Declares a post processing step to join meshes, if possible
+ */
+#ifndef AI_OPTIMIZEMESHESPROCESS_H_INC
+#define AI_OPTIMIZEMESHESPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/types.h>
+#include <vector>
+
+struct aiMesh;
+struct aiNode;
+class OptimizeMeshesProcessTest;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** @brief Postprocessing step to optimize mesh usage
+ *
+ *  The implementation looks for meshes that could be joined and joins them.
+ *  Usually this will reduce the number of drawcalls.
+ *
+ *  @note Instanced meshes are currently not processed.
+ */
+class OptimizeMeshesProcess : public BaseProcess
+{
+public:
+    /// @brief  The class constructor.
+    OptimizeMeshesProcess();
+
+    /// @brief  The class destcructor,
+    ~OptimizeMeshesProcess();
+
+
+    /** @brief Internal utility to store additional mesh info
+     */
+    struct MeshInfo {
+        MeshInfo() AI_NO_EXCEPT
+        : instance_cnt(0)
+        , vertex_format(0)
+        , output_id(0xffffffff) {
+            // empty
+        }
+
+        //! Number of times this mesh is referenced
+        unsigned int instance_cnt;
+
+        //! Vertex format id
+        unsigned int vertex_format;
+
+        //! Output ID
+        unsigned int output_id;
+    };
+
+public:
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    void SetupProperties(const Importer* pImp);
+
+
+    // -------------------------------------------------------------------
+    /** @brief Specify whether you want meshes with different
+     *   primitive types to be merged as well.
+     *
+     *  IsActive() sets this property automatically to true if the
+     *  aiProcess_SortByPType flag is found.
+     */
+    void EnablePrimitiveTypeSorting(bool enable) {
+        pts = enable;
+    }
+
+    // Getter
+    bool IsPrimitiveTypeSortingEnabled () const {
+        return pts;
+    }
+
+
+    // -------------------------------------------------------------------
+    /** @brief Specify a maximum size of a single output mesh.
+     *
+     *  If a single input mesh already exceeds this limit, it won't
+     *  be split.
+     *  @param verts Maximum number of vertices per mesh
+     *  @param faces Maximum number of faces per mesh
+     */
+    void SetPreferredMeshSizeLimit (unsigned int verts, unsigned int faces)
+    {
+        max_verts = verts;
+        max_faces = faces;
+    }
+
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** @brief Do the actual optimization on all meshes of this node
+     *  @param pNode Node we're working with
+     */
+    void ProcessNode( aiNode* pNode);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns true if b can be joined with a
+     *
+     *  @param verts Number of output verts up to now
+     *  @param faces Number of output faces up to now
+     */
+    bool CanJoin ( unsigned int a, unsigned int b,
+        unsigned int verts, unsigned int faces );
+
+    // -------------------------------------------------------------------
+    /** @brief Find instanced meshes, for the moment we're excluding
+     *   them from all optimizations
+     */
+    void FindInstancedMeshes (aiNode* pNode);
+
+private:
+
+    //! Scene we're working with
+    aiScene* mScene;
+
+    //! Per mesh info
+    std::vector<MeshInfo> meshes;
+
+    //! Output meshes
+    std::vector<aiMesh*> output;
+
+    //! @see EnablePrimitiveTypeSorting
+    mutable bool pts;
+
+    //! @see SetPreferredMeshSizeLimit
+    mutable unsigned int max_verts,max_faces;
+
+    //! Temporary storage
+    std::vector<aiMesh*> merge_list;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_CALCTANGENTSPROCESS_H_INC
diff --git a/thirdparty/assimp/code/PolyTools.h b/thirdparty/assimp/code/PolyTools.h
new file mode 100644
index 0000000000..fbbda0e7d1
--- /dev/null
+++ b/thirdparty/assimp/code/PolyTools.h
@@ -0,0 +1,229 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file PolyTools.h, various utilities for our dealings with arbitrary polygons */
+
+#ifndef AI_POLYTOOLS_H_INCLUDED
+#define AI_POLYTOOLS_H_INCLUDED
+
+#include <assimp/material.h>
+#include <assimp/ai_assert.h>
+
+namespace Assimp {
+
+// -------------------------------------------------------------------------------
+/** Compute the signed area of a triangle.
+ *  The function accepts an unconstrained template parameter for use with
+ *  both aiVector3D and aiVector2D, but generally ignores the third coordinate.*/
+template <typename T>
+inline double GetArea2D(const T& v1, const T& v2, const T& v3)
+{
+    return 0.5 * (v1.x * ((double)v3.y - v2.y) + v2.x * ((double)v1.y - v3.y) + v3.x * ((double)v2.y - v1.y));
+}
+
+// -------------------------------------------------------------------------------
+/** Test if a given point p2 is on the left side of the line formed by p0-p1.
+ *  The function accepts an unconstrained template parameter for use with
+ *  both aiVector3D and aiVector2D, but generally ignores the third coordinate.*/
+template <typename T>
+inline bool OnLeftSideOfLine2D(const T& p0, const T& p1,const T& p2)
+{
+    return GetArea2D(p0,p2,p1) > 0;
+}
+
+// -------------------------------------------------------------------------------
+/** Test if a given point is inside a given triangle in R2.
+ * The function accepts an unconstrained template parameter for use with
+ *  both aiVector3D and aiVector2D, but generally ignores the third coordinate.*/
+template <typename T>
+inline bool PointInTriangle2D(const T& p0, const T& p1,const T& p2, const T& pp)
+{
+    // Point in triangle test using baryzentric coordinates
+    const aiVector2D v0 = p1 - p0;
+    const aiVector2D v1 = p2 - p0;
+    const aiVector2D v2 = pp - p0;
+
+    double dot00 = v0 * v0;
+    double dot01 = v0 * v1;
+    double dot02 = v0 * v2;
+    double dot11 = v1 * v1;
+    double dot12 = v1 * v2;
+
+    const double invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
+    dot11 = (dot11 * dot02 - dot01 * dot12) * invDenom;
+    dot00 = (dot00 * dot12 - dot01 * dot02) * invDenom;
+
+    return (dot11 > 0) && (dot00 > 0) && (dot11 + dot00 < 1);
+}
+
+
+// -------------------------------------------------------------------------------
+/** Check whether the winding order of a given polygon is counter-clockwise.
+ *  The function accepts an unconstrained template parameter, but is intended
+ *  to be used only with aiVector2D and aiVector3D (z axis is ignored, only
+ *  x and y are taken into account).
+ * @note Code taken from http://cgm.cs.mcgill.ca/~godfried/teaching/cg-projects/97/Ian/applet1.html and translated to C++
+ */
+template <typename T>
+inline bool IsCCW(T* in, size_t npoints) {
+    double aa, bb, cc, b, c, theta;
+    double convex_turn;
+    double convex_sum = 0;
+
+    ai_assert(npoints >= 3);
+
+    for (size_t i = 0; i < npoints - 2; i++) {
+        aa = ((in[i+2].x - in[i].x) * (in[i+2].x - in[i].x)) +
+            ((-in[i+2].y + in[i].y) * (-in[i+2].y + in[i].y));
+
+        bb = ((in[i+1].x - in[i].x) * (in[i+1].x - in[i].x)) +
+            ((-in[i+1].y + in[i].y) * (-in[i+1].y + in[i].y));
+
+        cc = ((in[i+2].x - in[i+1].x) *
+            (in[i+2].x - in[i+1].x)) +
+            ((-in[i+2].y + in[i+1].y) *
+            (-in[i+2].y + in[i+1].y));
+
+        b = std::sqrt(bb);
+        c = std::sqrt(cc);
+        theta = std::acos((bb + cc - aa) / (2 * b * c));
+
+        if (OnLeftSideOfLine2D(in[i],in[i+2],in[i+1])) {
+            //  if (convex(in[i].x, in[i].y,
+            //      in[i+1].x, in[i+1].y,
+            //      in[i+2].x, in[i+2].y)) {
+            convex_turn = AI_MATH_PI_F - theta;
+            convex_sum += convex_turn;
+        }
+        else {
+            convex_sum -= AI_MATH_PI_F - theta;
+        }
+    }
+    aa = ((in[1].x - in[npoints-2].x) *
+        (in[1].x - in[npoints-2].x)) +
+        ((-in[1].y + in[npoints-2].y) *
+        (-in[1].y + in[npoints-2].y));
+
+    bb = ((in[0].x - in[npoints-2].x) *
+        (in[0].x - in[npoints-2].x)) +
+        ((-in[0].y + in[npoints-2].y) *
+        (-in[0].y + in[npoints-2].y));
+
+    cc = ((in[1].x - in[0].x) * (in[1].x - in[0].x)) +
+        ((-in[1].y + in[0].y) * (-in[1].y + in[0].y));
+
+    b = std::sqrt(bb);
+    c = std::sqrt(cc);
+    theta = std::acos((bb + cc - aa) / (2 * b * c));
+
+    //if (convex(in[npoints-2].x, in[npoints-2].y,
+    //  in[0].x, in[0].y,
+    //  in[1].x, in[1].y)) {
+    if (OnLeftSideOfLine2D(in[npoints-2],in[1],in[0])) {
+        convex_turn = AI_MATH_PI_F - theta;
+        convex_sum += convex_turn;
+    }
+    else {
+        convex_sum -= AI_MATH_PI_F - theta;
+    }
+
+    return convex_sum >= (2 * AI_MATH_PI_F);
+}
+
+
+// -------------------------------------------------------------------------------
+/** Compute the normal of an arbitrary polygon in R3.
+ *
+ *  The code is based on Newell's formula, that is a polygons normal is the ratio
+ *  of its area when projected onto the three coordinate axes.
+ *
+ *  @param out Receives the output normal
+ *  @param num Number of input vertices
+ *  @param x X data source. x[ofs_x*n] is the n'th element.
+ *  @param y Y data source. y[ofs_y*n] is the y'th element
+ *  @param z Z data source. z[ofs_z*n] is the z'th element
+ *
+ *  @note The data arrays must have storage for at least num+2 elements. Using
+ *  this method is much faster than the 'other' NewellNormal()
+ */
+template <int ofs_x, int ofs_y, int ofs_z, typename TReal>
+inline void NewellNormal (aiVector3t<TReal>& out, int num, TReal* x, TReal* y, TReal* z)
+{
+    // Duplicate the first two vertices at the end
+    x[(num+0)*ofs_x] = x[0];
+    x[(num+1)*ofs_x] = x[ofs_x];
+
+    y[(num+0)*ofs_y] = y[0];
+    y[(num+1)*ofs_y] = y[ofs_y];
+
+    z[(num+0)*ofs_z] = z[0];
+    z[(num+1)*ofs_z] = z[ofs_z];
+
+    TReal sum_xy = 0.0, sum_yz = 0.0, sum_zx = 0.0;
+
+    TReal *xptr = x +ofs_x, *xlow = x, *xhigh = x + ofs_x*2;
+    TReal *yptr = y +ofs_y, *ylow = y, *yhigh = y + ofs_y*2;
+    TReal *zptr = z +ofs_z, *zlow = z, *zhigh = z + ofs_z*2;
+
+    for (int tmp=0; tmp < num; tmp++) {
+        sum_xy += (*xptr) * ( (*yhigh) - (*ylow) );
+        sum_yz += (*yptr) * ( (*zhigh) - (*zlow) );
+        sum_zx += (*zptr) * ( (*xhigh) - (*xlow) );
+
+        xptr  += ofs_x;
+        xlow  += ofs_x;
+        xhigh += ofs_x;
+
+        yptr  += ofs_y;
+        ylow  += ofs_y;
+        yhigh += ofs_y;
+
+        zptr  += ofs_z;
+        zlow  += ofs_z;
+        zhigh += ofs_z;
+    }
+    out = aiVector3t<TReal>(sum_yz,sum_zx,sum_xy);
+}
+
+} // ! Assimp
+
+#endif
diff --git a/thirdparty/assimp/code/PostStepRegistry.cpp b/thirdparty/assimp/code/PostStepRegistry.cpp
new file mode 100644
index 0000000000..15b4a28843
--- /dev/null
+++ b/thirdparty/assimp/code/PostStepRegistry.cpp
@@ -0,0 +1,251 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file ImporterRegistry.cpp
+
+Central registry for all postprocessing steps available. Do not edit this file
+directly (unless you are adding new steps), instead use the
+corresponding preprocessor flag to selectively disable steps.
+*/
+
+#include "ProcessHelper.h"
+
+#ifndef ASSIMP_BUILD_NO_CALCTANGENTS_PROCESS
+#   include "CalcTangentsProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_JOINVERTICES_PROCESS
+#   include "JoinVerticesProcess.h"
+#endif
+#if !(defined ASSIMP_BUILD_NO_MAKELEFTHANDED_PROCESS && defined ASSIMP_BUILD_NO_FLIPUVS_PROCESS && defined ASSIMP_BUILD_NO_FLIPWINDINGORDER_PROCESS)
+#   include "ConvertToLHProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_TRIANGULATE_PROCESS
+#   include "TriangulateProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_DROPFACENORMALS_PROCESS
+#   include "DropFaceNormalsProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_GENFACENORMALS_PROCESS
+#   include "GenFaceNormalsProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_GENVERTEXNORMALS_PROCESS
+#   include "GenVertexNormalsProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_REMOVEVC_PROCESS
+#   include "RemoveVCProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_SPLITLARGEMESHES_PROCESS
+#   include "SplitLargeMeshes.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_PRETRANSFORMVERTICES_PROCESS
+#   include "PretransformVertices.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_LIMITBONEWEIGHTS_PROCESS
+#   include "LimitBoneWeightsProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
+#   include "ValidateDataStructure.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_IMPROVECACHELOCALITY_PROCESS
+#   include "ImproveCacheLocality.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_FIXINFACINGNORMALS_PROCESS
+#   include "FixNormalsStep.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_REMOVE_REDUNDANTMATERIALS_PROCESS
+#   include "RemoveRedundantMaterials.h"
+#endif
+#if (!defined ASSIMP_BUILD_NO_EMBEDTEXTURES_PROCESS)
+#   include "EmbedTexturesProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS
+#   include "FindInvalidDataProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_FINDDEGENERATES_PROCESS
+#   include "FindDegenerates.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_SORTBYPTYPE_PROCESS
+#   include "SortByPTypeProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_GENUVCOORDS_PROCESS
+#   include "ComputeUVMappingProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_TRANSFORMTEXCOORDS_PROCESS
+#   include "TextureTransform.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_FINDINSTANCES_PROCESS
+#   include "FindInstancesProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OPTIMIZEMESHES_PROCESS
+#   include "OptimizeMeshes.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_OPTIMIZEGRAPH_PROCESS
+#   include "OptimizeGraph.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_SPLITBYBONECOUNT_PROCESS
+#   include "SplitByBoneCountProcess.h"
+#endif
+#ifndef ASSIMP_BUILD_NO_DEBONE_PROCESS
+#   include "DeboneProcess.h"
+#endif
+#if (!defined ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS)
+#   include "ScaleProcess.h"
+#endif
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+void GetPostProcessingStepInstanceList(std::vector< BaseProcess* >& out)
+{
+    // ----------------------------------------------------------------------------
+    // Add an instance of each post processing step here in the order
+    // of sequence it is executed. Steps that are added here are not
+    // validated - as RegisterPPStep() does - all dependencies must be given.
+    // ----------------------------------------------------------------------------
+    out.reserve(31);
+#if (!defined ASSIMP_BUILD_NO_MAKELEFTHANDED_PROCESS)
+    out.push_back( new MakeLeftHandedProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FLIPUVS_PROCESS)
+    out.push_back( new FlipUVsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FLIPWINDINGORDER_PROCESS)
+    out.push_back( new FlipWindingOrderProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_REMOVEVC_PROCESS)
+    out.push_back( new RemoveVCProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_REMOVE_REDUNDANTMATERIALS_PROCESS)
+    out.push_back( new RemoveRedundantMatsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_EMBEDTEXTURES_PROCESS)
+    out.push_back( new EmbedTexturesProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FINDINSTANCES_PROCESS)
+    out.push_back( new FindInstancesProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OPTIMIZEGRAPH_PROCESS)
+    out.push_back( new OptimizeGraphProcess());
+#endif
+#ifndef ASSIMP_BUILD_NO_GENUVCOORDS_PROCESS
+    out.push_back( new ComputeUVMappingProcess());
+#endif
+#ifndef ASSIMP_BUILD_NO_TRANSFORMTEXCOORDS_PROCESS
+    out.push_back( new TextureTransformStep());
+#endif
+#if (!defined ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS)
+    out.push_back( new ScaleProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_PRETRANSFORMVERTICES_PROCESS)
+    out.push_back( new PretransformVertices());
+#endif
+#if (!defined ASSIMP_BUILD_NO_TRIANGULATE_PROCESS)
+    out.push_back( new TriangulateProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FINDDEGENERATES_PROCESS)
+    //find degenerates should run after triangulation (to sort out small
+    //generated triangles) but before sort by p types (in case there are lines
+    //and points generated and inserted into a mesh)
+    out.push_back( new FindDegeneratesProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_SORTBYPTYPE_PROCESS)
+    out.push_back( new SortByPTypeProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FINDINVALIDDATA_PROCESS)
+    out.push_back( new FindInvalidDataProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_OPTIMIZEMESHES_PROCESS)
+    out.push_back( new OptimizeMeshesProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_FIXINFACINGNORMALS_PROCESS)
+    out.push_back( new FixInfacingNormalsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_SPLITBYBONECOUNT_PROCESS)
+    out.push_back( new SplitByBoneCountProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_SPLITLARGEMESHES_PROCESS)
+    out.push_back( new SplitLargeMeshesProcess_Triangle());
+#endif
+#if (!defined ASSIMP_BUILD_NO_GENFACENORMALS_PROCESS)
+    out.push_back( new DropFaceNormalsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_GENFACENORMALS_PROCESS)
+    out.push_back( new GenFaceNormalsProcess());
+#endif
+    // .........................................................................
+    // DON'T change the order of these five ..
+    // XXX this is actually a design weakness that dates back to the time
+    // when Importer would maintain the postprocessing step list exclusively.
+    // Now that others access it too, we need a better solution.
+    out.push_back( new ComputeSpatialSortProcess());
+    // .........................................................................
+
+#if (!defined ASSIMP_BUILD_NO_GENVERTEXNORMALS_PROCESS)
+    out.push_back( new GenVertexNormalsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_CALCTANGENTS_PROCESS)
+    out.push_back( new CalcTangentsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_JOINVERTICES_PROCESS)
+    out.push_back( new JoinVerticesProcess());
+#endif
+
+    // .........................................................................
+    out.push_back( new DestroySpatialSortProcess());
+    // .........................................................................
+
+#if (!defined ASSIMP_BUILD_NO_SPLITLARGEMESHES_PROCESS)
+    out.push_back( new SplitLargeMeshesProcess_Vertex());
+#endif
+#if (!defined ASSIMP_BUILD_NO_DEBONE_PROCESS)
+    out.push_back( new DeboneProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_LIMITBONEWEIGHTS_PROCESS)
+    out.push_back( new LimitBoneWeightsProcess());
+#endif
+#if (!defined ASSIMP_BUILD_NO_IMPROVECACHELOCALITY_PROCESS)
+    out.push_back( new ImproveCacheLocalityProcess());
+#endif
+}
+
+}
diff --git a/thirdparty/assimp/code/PretransformVertices.cpp b/thirdparty/assimp/code/PretransformVertices.cpp
new file mode 100644
index 0000000000..52001a0578
--- /dev/null
+++ b/thirdparty/assimp/code/PretransformVertices.cpp
@@ -0,0 +1,728 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file PretransformVertices.cpp
+ *  @brief Implementation of the "PretransformVertices" post processing step
+*/
+
+
+#include "PretransformVertices.h"
+#include "ProcessHelper.h"
+#include <assimp/SceneCombiner.h>
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+// some array offsets
+#define AI_PTVS_VERTEX 0x0
+#define AI_PTVS_FACE 0x1
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+PretransformVertices::PretransformVertices()
+: configKeepHierarchy (false)
+, configNormalize(false)
+, configTransform(false)
+, configTransformation()
+, mConfigPointCloud( false ) {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+PretransformVertices::~PretransformVertices() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool PretransformVertices::IsActive( unsigned int pFlags) const
+{
+    return  (pFlags & aiProcess_PreTransformVertices) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup import configuration
+void PretransformVertices::SetupProperties(const Importer* pImp)
+{
+    // Get the current value of AI_CONFIG_PP_PTV_KEEP_HIERARCHY, AI_CONFIG_PP_PTV_NORMALIZE,
+    // AI_CONFIG_PP_PTV_ADD_ROOT_TRANSFORMATION and AI_CONFIG_PP_PTV_ROOT_TRANSFORMATION
+    configKeepHierarchy = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_PTV_KEEP_HIERARCHY,0));
+    configNormalize = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_PTV_NORMALIZE,0));
+    configTransform = (0 != pImp->GetPropertyInteger(AI_CONFIG_PP_PTV_ADD_ROOT_TRANSFORMATION,0));
+
+    configTransformation = pImp->GetPropertyMatrix(AI_CONFIG_PP_PTV_ROOT_TRANSFORMATION, aiMatrix4x4());
+
+    mConfigPointCloud = pImp->GetPropertyBool(AI_CONFIG_EXPORT_POINT_CLOUDS);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Count the number of nodes
+unsigned int PretransformVertices::CountNodes( aiNode* pcNode )
+{
+    unsigned int iRet = 1;
+    for (unsigned int i = 0;i < pcNode->mNumChildren;++i)
+    {
+        iRet += CountNodes(pcNode->mChildren[i]);
+    }
+    return iRet;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a bitwise combination identifying the vertex format of a mesh
+unsigned int PretransformVertices::GetMeshVFormat( aiMesh* pcMesh )
+{
+    // the vertex format is stored in aiMesh::mBones for later retrieval.
+    // there isn't a good reason to compute it a few hundred times
+    // from scratch. The pointer is unused as animations are lost
+    // during PretransformVertices.
+    if (pcMesh->mBones)
+        return (unsigned int)(uint64_t)pcMesh->mBones;
+
+
+    const unsigned int iRet = GetMeshVFormatUnique(pcMesh);
+
+    // store the value for later use
+    pcMesh->mBones = (aiBone**)(uint64_t)iRet;
+    return iRet;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Count the number of vertices in the whole scene and a given
+// material index
+void PretransformVertices::CountVerticesAndFaces( aiScene* pcScene, aiNode* pcNode, unsigned int iMat,
+    unsigned int iVFormat, unsigned int* piFaces, unsigned int* piVertices)
+{
+    for (unsigned int i = 0; i < pcNode->mNumMeshes;++i)
+    {
+        aiMesh* pcMesh = pcScene->mMeshes[ pcNode->mMeshes[i] ];
+        if (iMat == pcMesh->mMaterialIndex && iVFormat == GetMeshVFormat(pcMesh))
+        {
+            *piVertices += pcMesh->mNumVertices;
+            *piFaces += pcMesh->mNumFaces;
+        }
+    }
+    for (unsigned int i = 0;i < pcNode->mNumChildren;++i)
+    {
+        CountVerticesAndFaces(pcScene,pcNode->mChildren[i],iMat,
+            iVFormat,piFaces,piVertices);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Collect vertex/face data
+void PretransformVertices::CollectData( aiScene* pcScene, aiNode* pcNode, unsigned int iMat,
+    unsigned int iVFormat, aiMesh* pcMeshOut,
+    unsigned int aiCurrent[2], unsigned int* num_refs)
+{
+    // No need to multiply if there's no transformation
+    const bool identity = pcNode->mTransformation.IsIdentity();
+    for (unsigned int i = 0; i < pcNode->mNumMeshes;++i)
+    {
+        aiMesh* pcMesh = pcScene->mMeshes[ pcNode->mMeshes[i] ];
+        if (iMat == pcMesh->mMaterialIndex && iVFormat == GetMeshVFormat(pcMesh))
+        {
+            // Decrement mesh reference counter
+            unsigned int& num_ref = num_refs[pcNode->mMeshes[i]];
+            ai_assert(0 != num_ref);
+            --num_ref;
+            // Save the name of the last mesh
+            if (num_ref==0)
+            {
+                pcMeshOut->mName = pcMesh->mName;
+            }
+
+            if (identity)   {
+                // copy positions without modifying them
+                ::memcpy(pcMeshOut->mVertices + aiCurrent[AI_PTVS_VERTEX],
+                    pcMesh->mVertices,
+                    pcMesh->mNumVertices * sizeof(aiVector3D));
+
+                if (iVFormat & 0x2) {
+                    // copy normals without modifying them
+                    ::memcpy(pcMeshOut->mNormals + aiCurrent[AI_PTVS_VERTEX],
+                        pcMesh->mNormals,
+                        pcMesh->mNumVertices * sizeof(aiVector3D));
+                }
+                if (iVFormat & 0x4)
+                {
+                    // copy tangents without modifying them
+                    ::memcpy(pcMeshOut->mTangents + aiCurrent[AI_PTVS_VERTEX],
+                        pcMesh->mTangents,
+                        pcMesh->mNumVertices * sizeof(aiVector3D));
+                    // copy bitangents without modifying them
+                    ::memcpy(pcMeshOut->mBitangents + aiCurrent[AI_PTVS_VERTEX],
+                        pcMesh->mBitangents,
+                        pcMesh->mNumVertices * sizeof(aiVector3D));
+                }
+            }
+            else
+            {
+                // copy positions, transform them to worldspace
+                for (unsigned int n = 0; n < pcMesh->mNumVertices;++n)  {
+                    pcMeshOut->mVertices[aiCurrent[AI_PTVS_VERTEX]+n] = pcNode->mTransformation * pcMesh->mVertices[n];
+                }
+                aiMatrix4x4 mWorldIT = pcNode->mTransformation;
+                mWorldIT.Inverse().Transpose();
+
+                // TODO: implement Inverse() for aiMatrix3x3
+                aiMatrix3x3 m = aiMatrix3x3(mWorldIT);
+
+                if (iVFormat & 0x2)
+                {
+                    // copy normals, transform them to worldspace
+                    for (unsigned int n = 0; n < pcMesh->mNumVertices;++n)  {
+                        pcMeshOut->mNormals[aiCurrent[AI_PTVS_VERTEX]+n] =
+                            (m * pcMesh->mNormals[n]).Normalize();
+                    }
+                }
+                if (iVFormat & 0x4)
+                {
+                    // copy tangents and bitangents, transform them to worldspace
+                    for (unsigned int n = 0; n < pcMesh->mNumVertices;++n)  {
+                        pcMeshOut->mTangents  [aiCurrent[AI_PTVS_VERTEX]+n] = (m * pcMesh->mTangents[n]).Normalize();
+                        pcMeshOut->mBitangents[aiCurrent[AI_PTVS_VERTEX]+n] = (m * pcMesh->mBitangents[n]).Normalize();
+                    }
+                }
+            }
+            unsigned int p = 0;
+            while (iVFormat & (0x100 << p))
+            {
+                // copy texture coordinates
+                memcpy(pcMeshOut->mTextureCoords[p] + aiCurrent[AI_PTVS_VERTEX],
+                    pcMesh->mTextureCoords[p],
+                    pcMesh->mNumVertices * sizeof(aiVector3D));
+                ++p;
+            }
+            p = 0;
+            while (iVFormat & (0x1000000 << p))
+            {
+                // copy vertex colors
+                memcpy(pcMeshOut->mColors[p] + aiCurrent[AI_PTVS_VERTEX],
+                    pcMesh->mColors[p],
+                    pcMesh->mNumVertices * sizeof(aiColor4D));
+                ++p;
+            }
+            // now we need to copy all faces. since we will delete the source mesh afterwards,
+            // we don't need to reallocate the array of indices except if this mesh is
+            // referenced multiple times.
+            for (unsigned int planck = 0;planck < pcMesh->mNumFaces;++planck)
+            {
+                aiFace& f_src = pcMesh->mFaces[planck];
+                aiFace& f_dst = pcMeshOut->mFaces[aiCurrent[AI_PTVS_FACE]+planck];
+
+                const unsigned int num_idx = f_src.mNumIndices;
+
+                f_dst.mNumIndices = num_idx;
+
+                unsigned int* pi;
+                if (!num_ref) { /* if last time the mesh is referenced -> no reallocation */
+                    pi = f_dst.mIndices = f_src.mIndices;
+
+                    // offset all vertex indices
+                    for (unsigned int hahn = 0; hahn < num_idx;++hahn){
+                        pi[hahn] += aiCurrent[AI_PTVS_VERTEX];
+                    }
+                }
+                else {
+                    pi = f_dst.mIndices = new unsigned int[num_idx];
+
+                    // copy and offset all vertex indices
+                    for (unsigned int hahn = 0; hahn < num_idx;++hahn){
+                        pi[hahn] = f_src.mIndices[hahn] + aiCurrent[AI_PTVS_VERTEX];
+                    }
+                }
+
+                // Update the mPrimitiveTypes member of the mesh
+                switch (pcMesh->mFaces[planck].mNumIndices)
+                {
+                case 0x1:
+                    pcMeshOut->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                    break;
+                case 0x2:
+                    pcMeshOut->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                    break;
+                case 0x3:
+                    pcMeshOut->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                    break;
+                default:
+                    pcMeshOut->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                    break;
+                };
+            }
+            aiCurrent[AI_PTVS_VERTEX] += pcMesh->mNumVertices;
+            aiCurrent[AI_PTVS_FACE]   += pcMesh->mNumFaces;
+        }
+    }
+
+    // append all children of us
+    for (unsigned int i = 0;i < pcNode->mNumChildren;++i) {
+        CollectData(pcScene,pcNode->mChildren[i],iMat,
+            iVFormat,pcMeshOut,aiCurrent,num_refs);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get a list of all vertex formats that occur for a given material index
+// The output list contains duplicate elements
+void PretransformVertices::GetVFormatList( aiScene* pcScene, unsigned int iMat,
+    std::list<unsigned int>& aiOut)
+{
+    for (unsigned int i = 0; i < pcScene->mNumMeshes;++i)
+    {
+        aiMesh* pcMesh = pcScene->mMeshes[ i ];
+        if (iMat == pcMesh->mMaterialIndex) {
+            aiOut.push_back(GetMeshVFormat(pcMesh));
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Compute the absolute transformation matrices of each node
+void PretransformVertices::ComputeAbsoluteTransform( aiNode* pcNode )
+{
+    if (pcNode->mParent)    {
+        pcNode->mTransformation = pcNode->mParent->mTransformation*pcNode->mTransformation;
+    }
+
+    for (unsigned int i = 0;i < pcNode->mNumChildren;++i)   {
+        ComputeAbsoluteTransform(pcNode->mChildren[i]);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Apply the node transformation to a mesh
+void PretransformVertices::ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat)
+{
+    // Check whether we need to transform the coordinates at all
+    if (!mat.IsIdentity()) {
+
+        if (mesh->HasPositions()) {
+            for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                mesh->mVertices[i] = mat * mesh->mVertices[i];
+            }
+        }
+        if (mesh->HasNormals() || mesh->HasTangentsAndBitangents()) {
+            aiMatrix4x4 mWorldIT = mat;
+            mWorldIT.Inverse().Transpose();
+
+            // TODO: implement Inverse() for aiMatrix3x3
+            aiMatrix3x3 m = aiMatrix3x3(mWorldIT);
+
+            if (mesh->HasNormals()) {
+                for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                    mesh->mNormals[i] = (m * mesh->mNormals[i]).Normalize();
+                }
+            }
+            if (mesh->HasTangentsAndBitangents()) {
+                for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
+                    mesh->mTangents[i]   = (m * mesh->mTangents[i]).Normalize();
+                    mesh->mBitangents[i] = (m * mesh->mBitangents[i]).Normalize();
+                }
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Simple routine to build meshes in worldspace, no further optimization
+void PretransformVertices::BuildWCSMeshes(std::vector<aiMesh*>& out, aiMesh** in,
+    unsigned int numIn, aiNode* node)
+{
+    // NOTE:
+    //  aiMesh::mNumBones store original source mesh, or UINT_MAX if not a copy
+    //  aiMesh::mBones store reference to abs. transform we multiplied with
+
+    // process meshes
+    for (unsigned int i = 0; i < node->mNumMeshes;++i) {
+        aiMesh* mesh = in[node->mMeshes[i]];
+
+        // check whether we can operate on this mesh
+        if (!mesh->mBones || *reinterpret_cast<aiMatrix4x4*>(mesh->mBones) == node->mTransformation) {
+            // yes, we can.
+            mesh->mBones = reinterpret_cast<aiBone**> (&node->mTransformation);
+            mesh->mNumBones = UINT_MAX;
+        }
+        else {
+
+            // try to find us in the list of newly created meshes
+            for (unsigned int n = 0; n < out.size(); ++n) {
+                aiMesh* ctz = out[n];
+                if (ctz->mNumBones == node->mMeshes[i] && *reinterpret_cast<aiMatrix4x4*>(ctz->mBones) ==  node->mTransformation) {
+
+                    // ok, use this one. Update node mesh index
+                    node->mMeshes[i] = numIn + n;
+                }
+            }
+            if (node->mMeshes[i] < numIn) {
+                // Worst case. Need to operate on a full copy of the mesh
+                ASSIMP_LOG_INFO("PretransformVertices: Copying mesh due to mismatching transforms");
+                aiMesh* ntz;
+
+                const unsigned int tmp = mesh->mNumBones; //
+                mesh->mNumBones = 0;
+                SceneCombiner::Copy(&ntz,mesh);
+                mesh->mNumBones = tmp;
+
+                ntz->mNumBones = node->mMeshes[i];
+                ntz->mBones = reinterpret_cast<aiBone**> (&node->mTransformation);
+
+                out.push_back(ntz);
+
+                node->mMeshes[i] = static_cast<unsigned int>(numIn + out.size() - 1);
+            }
+        }
+    }
+
+    // call children
+    for (unsigned int i = 0; i < node->mNumChildren;++i)
+        BuildWCSMeshes(out,in,numIn,node->mChildren[i]);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Reset transformation matrices to identity
+void PretransformVertices::MakeIdentityTransform(aiNode* nd)
+{
+    nd->mTransformation = aiMatrix4x4();
+
+    // call children
+    for (unsigned int i = 0; i < nd->mNumChildren;++i)
+        MakeIdentityTransform(nd->mChildren[i]);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build reference counters for all meshes
+void PretransformVertices::BuildMeshRefCountArray(aiNode* nd, unsigned int * refs)
+{
+    for (unsigned int i = 0; i< nd->mNumMeshes;++i)
+        refs[nd->mMeshes[i]]++;
+
+    // call children
+    for (unsigned int i = 0; i < nd->mNumChildren;++i)
+        BuildMeshRefCountArray(nd->mChildren[i],refs);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void PretransformVertices::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("PretransformVerticesProcess begin");
+
+    // Return immediately if we have no meshes
+    if (!pScene->mNumMeshes)
+        return;
+
+    const unsigned int iOldMeshes = pScene->mNumMeshes;
+    const unsigned int iOldAnimationChannels = pScene->mNumAnimations;
+    const unsigned int iOldNodes = CountNodes(pScene->mRootNode);
+
+    if(configTransform) {
+        pScene->mRootNode->mTransformation = configTransformation;
+    }
+
+    // first compute absolute transformation matrices for all nodes
+    ComputeAbsoluteTransform(pScene->mRootNode);
+
+    // Delete aiMesh::mBones for all meshes. The bones are
+    // removed during this step and we need the pointer as
+    // temporary storage
+    for (unsigned int i = 0; i < pScene->mNumMeshes;++i)    {
+        aiMesh* mesh = pScene->mMeshes[i];
+
+        for (unsigned int a = 0; a < mesh->mNumBones;++a)
+            delete mesh->mBones[a];
+
+        delete[] mesh->mBones;
+        mesh->mBones = NULL;
+    }
+
+    // now build a list of output meshes
+    std::vector<aiMesh*> apcOutMeshes;
+
+    // Keep scene hierarchy? It's an easy job in this case ...
+    // we go on and transform all meshes, if one is referenced by nodes
+    // with different absolute transformations a depth copy of the mesh
+    // is required.
+    if( configKeepHierarchy ) {
+
+        // Hack: store the matrix we're transforming a mesh with in aiMesh::mBones
+        BuildWCSMeshes(apcOutMeshes,pScene->mMeshes,pScene->mNumMeshes, pScene->mRootNode);
+
+        // ... if new meshes have been generated, append them to the end of the scene
+        if (apcOutMeshes.size() > 0) {
+            aiMesh** npp = new aiMesh*[pScene->mNumMeshes + apcOutMeshes.size()];
+
+            memcpy(npp,pScene->mMeshes,sizeof(aiMesh*)*pScene->mNumMeshes);
+            memcpy(npp+pScene->mNumMeshes,&apcOutMeshes[0],sizeof(aiMesh*)*apcOutMeshes.size());
+
+            pScene->mNumMeshes  += static_cast<unsigned int>(apcOutMeshes.size());
+            delete[] pScene->mMeshes; pScene->mMeshes = npp;
+        }
+
+        // now iterate through all meshes and transform them to worldspace
+        for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+            ApplyTransform(pScene->mMeshes[i],*reinterpret_cast<aiMatrix4x4*>( pScene->mMeshes[i]->mBones ));
+
+            // prevent improper destruction
+            pScene->mMeshes[i]->mBones    = NULL;
+            pScene->mMeshes[i]->mNumBones = 0;
+        }
+    } else {
+        apcOutMeshes.reserve(pScene->mNumMaterials<<1u);
+        std::list<unsigned int> aiVFormats;
+
+        std::vector<unsigned int> s(pScene->mNumMeshes,0);
+        BuildMeshRefCountArray(pScene->mRootNode,&s[0]);
+
+        for (unsigned int i = 0; i < pScene->mNumMaterials;++i)     {
+            // get the list of all vertex formats for this material
+            aiVFormats.clear();
+            GetVFormatList(pScene,i,aiVFormats);
+            aiVFormats.sort();
+            aiVFormats.unique();
+            for (std::list<unsigned int>::const_iterator j =  aiVFormats.begin();j != aiVFormats.end();++j) {
+                unsigned int iVertices = 0;
+                unsigned int iFaces = 0;
+                CountVerticesAndFaces(pScene,pScene->mRootNode,i,*j,&iFaces,&iVertices);
+                if (0 != iFaces && 0 != iVertices)
+                {
+                    apcOutMeshes.push_back(new aiMesh());
+                    aiMesh* pcMesh = apcOutMeshes.back();
+                    pcMesh->mNumFaces = iFaces;
+                    pcMesh->mNumVertices = iVertices;
+                    pcMesh->mFaces = new aiFace[iFaces];
+                    pcMesh->mVertices = new aiVector3D[iVertices];
+                    pcMesh->mMaterialIndex = i;
+                    if ((*j) & 0x2)pcMesh->mNormals = new aiVector3D[iVertices];
+                    if ((*j) & 0x4)
+                    {
+                        pcMesh->mTangents    = new aiVector3D[iVertices];
+                        pcMesh->mBitangents  = new aiVector3D[iVertices];
+                    }
+                    iFaces = 0;
+                    while ((*j) & (0x100 << iFaces))
+                    {
+                        pcMesh->mTextureCoords[iFaces] = new aiVector3D[iVertices];
+                        if ((*j) & (0x10000 << iFaces))pcMesh->mNumUVComponents[iFaces] = 3;
+                        else pcMesh->mNumUVComponents[iFaces] = 2;
+                        iFaces++;
+                    }
+                    iFaces = 0;
+                    while ((*j) & (0x1000000 << iFaces))
+                        pcMesh->mColors[iFaces++] = new aiColor4D[iVertices];
+
+                    // fill the mesh ...
+                    unsigned int aiTemp[2] = {0,0};
+                    CollectData(pScene,pScene->mRootNode,i,*j,pcMesh,aiTemp,&s[0]);
+                }
+            }
+        }
+
+        // If no meshes are referenced in the node graph it is possible that we get no output meshes.
+        if (apcOutMeshes.empty()) {
+            
+            throw DeadlyImportError("No output meshes: all meshes are orphaned and are not referenced by any nodes");
+        }
+        else
+        {
+            // now delete all meshes in the scene and build a new mesh list
+            for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
+            {
+                aiMesh* mesh = pScene->mMeshes[i];
+                mesh->mNumBones = 0;
+                mesh->mBones    = NULL;
+
+                // we're reusing the face index arrays. avoid destruction
+                for (unsigned int a = 0; a < mesh->mNumFaces; ++a) {
+                    mesh->mFaces[a].mNumIndices = 0;
+                    mesh->mFaces[a].mIndices = NULL;
+                }
+
+                delete mesh;
+
+                // Invalidate the contents of the old mesh array. We will most
+                // likely have less output meshes now, so the last entries of
+                // the mesh array are not overridden. We set them to NULL to
+                // make sure the developer gets notified when his application
+                // attempts to access these fields ...
+                mesh = NULL;
+            }
+
+            // It is impossible that we have more output meshes than
+            // input meshes, so we can easily reuse the old mesh array
+            pScene->mNumMeshes = (unsigned int)apcOutMeshes.size();
+            for (unsigned int i = 0; i < pScene->mNumMeshes;++i) {
+                pScene->mMeshes[i] = apcOutMeshes[i];
+            }
+        }
+    }
+
+    // remove all animations from the scene
+    for (unsigned int i = 0; i < pScene->mNumAnimations;++i)
+        delete pScene->mAnimations[i];
+    delete[] pScene->mAnimations;
+
+    pScene->mAnimations    = NULL;
+    pScene->mNumAnimations = 0;
+
+    // --- we need to keep all cameras and lights
+    for (unsigned int i = 0; i < pScene->mNumCameras;++i)
+    {
+        aiCamera* cam = pScene->mCameras[i];
+        const aiNode* nd = pScene->mRootNode->FindNode(cam->mName);
+        ai_assert(NULL != nd);
+
+        // multiply all properties of the camera with the absolute
+        // transformation of the corresponding node
+        cam->mPosition = nd->mTransformation * cam->mPosition;
+        cam->mLookAt   = aiMatrix3x3( nd->mTransformation ) * cam->mLookAt;
+        cam->mUp       = aiMatrix3x3( nd->mTransformation ) * cam->mUp;
+    }
+
+    for (unsigned int i = 0; i < pScene->mNumLights;++i)
+    {
+        aiLight* l = pScene->mLights[i];
+        const aiNode* nd = pScene->mRootNode->FindNode(l->mName);
+        ai_assert(NULL != nd);
+
+        // multiply all properties of the camera with the absolute
+        // transformation of the corresponding node
+        l->mPosition   = nd->mTransformation * l->mPosition;
+        l->mDirection  = aiMatrix3x3( nd->mTransformation ) * l->mDirection;
+        l->mUp         = aiMatrix3x3( nd->mTransformation ) * l->mUp;
+    }
+
+    if( !configKeepHierarchy ) {
+
+        // now delete all nodes in the scene and build a new
+        // flat node graph with a root node and some level 1 children
+        aiNode* newRoot = new aiNode();
+        newRoot->mName = pScene->mRootNode->mName;
+        delete pScene->mRootNode;
+        pScene->mRootNode = newRoot;
+
+        if (1 == pScene->mNumMeshes && !pScene->mNumLights && !pScene->mNumCameras)
+        {
+            pScene->mRootNode->mNumMeshes = 1;
+            pScene->mRootNode->mMeshes = new unsigned int[1];
+            pScene->mRootNode->mMeshes[0] = 0;
+        }
+        else
+        {
+            pScene->mRootNode->mNumChildren = pScene->mNumMeshes+pScene->mNumLights+pScene->mNumCameras;
+            aiNode** nodes = pScene->mRootNode->mChildren = new aiNode*[pScene->mRootNode->mNumChildren];
+
+            // generate mesh nodes
+            for (unsigned int i = 0; i < pScene->mNumMeshes;++i,++nodes)
+            {
+                aiNode* pcNode = new aiNode();
+                *nodes = pcNode;
+                pcNode->mParent = pScene->mRootNode;
+                pcNode->mName = pScene->mMeshes[i]->mName;
+
+                // setup mesh indices
+                pcNode->mNumMeshes = 1;
+                pcNode->mMeshes = new unsigned int[1];
+                pcNode->mMeshes[0] = i;
+            }
+            // generate light nodes
+            for (unsigned int i = 0; i < pScene->mNumLights;++i,++nodes)
+            {
+                aiNode* pcNode = new aiNode();
+                *nodes = pcNode;
+                pcNode->mParent = pScene->mRootNode;
+                pcNode->mName.length = ai_snprintf(pcNode->mName.data, MAXLEN, "light_%u",i);
+                pScene->mLights[i]->mName = pcNode->mName;
+            }
+            // generate camera nodes
+            for (unsigned int i = 0; i < pScene->mNumCameras;++i,++nodes)
+            {
+                aiNode* pcNode = new aiNode();
+                *nodes = pcNode;
+                pcNode->mParent = pScene->mRootNode;
+                pcNode->mName.length = ::ai_snprintf(pcNode->mName.data,MAXLEN,"cam_%u",i);
+                pScene->mCameras[i]->mName = pcNode->mName;
+            }
+        }
+    }
+    else {
+        // ... and finally set the transformation matrix of all nodes to identity
+        MakeIdentityTransform(pScene->mRootNode);
+    }
+
+    if (configNormalize) {
+        // compute the boundary of all meshes
+        aiVector3D min,max;
+        MinMaxChooser<aiVector3D> ()(min,max);
+
+        for (unsigned int a = 0; a <  pScene->mNumMeshes; ++a) {
+            aiMesh* m = pScene->mMeshes[a];
+            for (unsigned int i = 0; i < m->mNumVertices;++i) {
+                min = std::min(m->mVertices[i],min);
+                max = std::max(m->mVertices[i],max);
+            }
+        }
+
+        // find the dominant axis
+        aiVector3D d = max-min;
+        const ai_real div = std::max(d.x,std::max(d.y,d.z))*ai_real( 0.5);
+
+        d = min + d * (ai_real)0.5;
+        for (unsigned int a = 0; a <  pScene->mNumMeshes; ++a) {
+            aiMesh* m = pScene->mMeshes[a];
+            for (unsigned int i = 0; i < m->mNumVertices;++i) {
+                m->mVertices[i] = (m->mVertices[i]-d)/div;
+            }
+        }
+    }
+
+    // print statistics
+    if (!DefaultLogger::isNullLogger()) {
+        ASSIMP_LOG_DEBUG("PretransformVerticesProcess finished");
+
+        ASSIMP_LOG_INFO_F("Removed ", iOldNodes, " nodes and ", iOldAnimationChannels, " animation channels (", 
+            CountNodes(pScene->mRootNode) ," output nodes)" );
+        ASSIMP_LOG_INFO_F("Kept ", pScene->mNumLights, " lights and ", pScene->mNumCameras, " cameras." );
+        ASSIMP_LOG_INFO_F("Moved ", iOldMeshes, " meshes to WCS (number of output meshes: ", pScene->mNumMeshes, ")");
+    }
+}
diff --git a/thirdparty/assimp/code/PretransformVertices.h b/thirdparty/assimp/code/PretransformVertices.h
new file mode 100644
index 0000000000..b7329af130
--- /dev/null
+++ b/thirdparty/assimp/code/PretransformVertices.h
@@ -0,0 +1,163 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file PretransformVertices.h
+ *  @brief Defines a post processing step to pretransform all
+ *    vertices in the scenegraph
+ */
+#ifndef AI_PRETRANSFORMVERTICES_H_INC
+#define AI_PRETRANSFORMVERTICES_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+#include <list>
+#include <vector>
+
+struct aiNode;
+class PretransformVerticesTest;
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** The PretransformVertices pre-transforms all vertices in the node tree
+ *  and removes the whole graph. The output is a list of meshes, one for
+ *  each material.
+*/
+class ASSIMP_API PretransformVertices : public BaseProcess {
+public:
+    PretransformVertices ();
+    ~PretransformVertices ();
+
+    // -------------------------------------------------------------------
+    // Check whether step is active
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Execute step on a given scene
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    // Setup import settings
+    void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    /** @brief Toggle the 'keep hierarchy' option
+     *  @param d hm ... difficult to guess what this means, hu!?
+     */
+    void KeepHierarchy(bool d) {
+        configKeepHierarchy = d;
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Check whether 'keep hierarchy' is currently enabled.
+     *  @return ...
+     */
+    bool IsHierarchyKept() const {
+        return configKeepHierarchy;
+    }
+
+private:
+    // -------------------------------------------------------------------
+    // Count the number of nodes
+    unsigned int CountNodes( aiNode* pcNode );
+
+    // -------------------------------------------------------------------
+    // Get a bitwise combination identifying the vertex format of a mesh
+    unsigned int GetMeshVFormat(aiMesh* pcMesh);
+
+    // -------------------------------------------------------------------
+    // Count the number of vertices in the whole scene and a given
+    // material index
+    void CountVerticesAndFaces( aiScene* pcScene, aiNode* pcNode,
+        unsigned int iMat,
+        unsigned int iVFormat,
+        unsigned int* piFaces,
+        unsigned int* piVertices);
+
+    // -------------------------------------------------------------------
+    // Collect vertex/face data
+    void CollectData( aiScene* pcScene, aiNode* pcNode,
+        unsigned int iMat,
+        unsigned int iVFormat,
+        aiMesh* pcMeshOut,
+        unsigned int aiCurrent[2],
+        unsigned int* num_refs);
+
+    // -------------------------------------------------------------------
+    // Get a list of all vertex formats that occur for a given material
+    // The output list contains duplicate elements
+    void GetVFormatList( aiScene* pcScene, unsigned int iMat,
+        std::list<unsigned int>& aiOut);
+
+    // -------------------------------------------------------------------
+    // Compute the absolute transformation matrices of each node
+    void ComputeAbsoluteTransform( aiNode* pcNode );
+
+    // -------------------------------------------------------------------
+    // Simple routine to build meshes in worldspace, no further optimization
+    void BuildWCSMeshes(std::vector<aiMesh*>& out, aiMesh** in,
+        unsigned int numIn, aiNode* node);
+
+    // -------------------------------------------------------------------
+    // Apply the node transformation to a mesh
+    void ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat);
+
+    // -------------------------------------------------------------------
+    // Reset transformation matrices to identity
+    void MakeIdentityTransform(aiNode* nd);
+
+    // -------------------------------------------------------------------
+    // Build reference counters for all meshes
+    void BuildMeshRefCountArray(aiNode* nd, unsigned int * refs);
+
+
+
+    //! Configuration option: keep scene hierarchy as long as possible
+    bool configKeepHierarchy;
+    bool configNormalize;
+    bool configTransform;
+    aiMatrix4x4 configTransformation;
+    bool mConfigPointCloud;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_GENFACENORMALPROCESS_H_INC
diff --git a/thirdparty/assimp/code/ProcessHelper.cpp b/thirdparty/assimp/code/ProcessHelper.cpp
new file mode 100644
index 0000000000..59869fdff7
--- /dev/null
+++ b/thirdparty/assimp/code/ProcessHelper.cpp
@@ -0,0 +1,443 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/// @file ProcessHelper.cpp
+/** Implement shared utility functions for postprocessing steps */
+
+
+#include "ProcessHelper.h"
+
+
+#include <limits>
+
+namespace Assimp {
+
+// -------------------------------------------------------------------------------
+void ConvertListToStrings(const std::string& in, std::list<std::string>& out)
+{
+    const char* s = in.c_str();
+    while (*s) {
+        SkipSpacesAndLineEnd(&s);
+        if (*s == '\'') {
+            const char* base = ++s;
+            while (*s != '\'') {
+                ++s;
+                if (*s == '\0') {
+                    ASSIMP_LOG_ERROR("ConvertListToString: String list is ill-formatted");
+                    return;
+                }
+            }
+            out.push_back(std::string(base,(size_t)(s-base)));
+            ++s;
+        }
+        else {
+            out.push_back(GetNextToken(s));
+        }
+    }
+}
+
+// -------------------------------------------------------------------------------
+void FindAABBTransformed (const aiMesh* mesh, aiVector3D& min, aiVector3D& max,
+    const aiMatrix4x4& m)
+{
+    min = aiVector3D ( ai_real( 10e10 ), ai_real( 10e10 ), ai_real( 10e10 ) );
+    max = aiVector3D ( ai_real( -10e10 ), ai_real( -10e10 ), ai_real( -10e10 ) );
+    for (unsigned int i = 0;i < mesh->mNumVertices;++i)
+    {
+        const aiVector3D v = m * mesh->mVertices[i];
+        min = std::min(v,min);
+        max = std::max(v,max);
+    }
+}
+
+// -------------------------------------------------------------------------------
+void FindMeshCenter (aiMesh* mesh, aiVector3D& out, aiVector3D& min, aiVector3D& max)
+{
+    ArrayBounds(mesh->mVertices,mesh->mNumVertices, min,max);
+    out = min + (max-min)*(ai_real)0.5;
+}
+
+// -------------------------------------------------------------------------------
+void FindSceneCenter (aiScene* scene, aiVector3D& out, aiVector3D& min, aiVector3D& max) {
+    if ( NULL == scene ) {
+        return;
+    }
+
+    if ( 0 == scene->mNumMeshes ) {
+        return;
+    }
+    FindMeshCenter(scene->mMeshes[0], out, min, max);
+    for (unsigned int i = 1; i < scene->mNumMeshes; ++i) {
+        aiVector3D tout, tmin, tmax;
+        FindMeshCenter(scene->mMeshes[i], tout, tmin, tmax);
+        if (min[0] > tmin[0]) min[0] = tmin[0];
+        if (min[1] > tmin[1]) min[1] = tmin[1];
+        if (min[2] > tmin[2]) min[2] = tmin[2];
+        if (max[0] < tmax[0]) max[0] = tmax[0];
+        if (max[1] < tmax[1]) max[1] = tmax[1];
+        if (max[2] < tmax[2]) max[2] = tmax[2];
+    }
+    out = min + (max-min)*(ai_real)0.5;
+}
+
+
+// -------------------------------------------------------------------------------
+void FindMeshCenterTransformed (aiMesh* mesh, aiVector3D& out, aiVector3D& min,
+    aiVector3D& max, const aiMatrix4x4& m)
+{
+    FindAABBTransformed(mesh,min,max,m);
+    out = min + (max-min)*(ai_real)0.5;
+}
+
+// -------------------------------------------------------------------------------
+void FindMeshCenter (aiMesh* mesh, aiVector3D& out)
+{
+    aiVector3D min,max;
+    FindMeshCenter(mesh,out,min,max);
+}
+
+// -------------------------------------------------------------------------------
+void FindMeshCenterTransformed (aiMesh* mesh, aiVector3D& out,
+    const aiMatrix4x4& m)
+{
+    aiVector3D min,max;
+    FindMeshCenterTransformed(mesh,out,min,max,m);
+}
+
+// -------------------------------------------------------------------------------
+ai_real ComputePositionEpsilon(const aiMesh* pMesh)
+{
+    const ai_real epsilon = ai_real( 1e-4 );
+
+    // calculate the position bounds so we have a reliable epsilon to check position differences against
+    aiVector3D minVec, maxVec;
+    ArrayBounds(pMesh->mVertices,pMesh->mNumVertices,minVec,maxVec);
+    return (maxVec - minVec).Length() * epsilon;
+}
+
+// -------------------------------------------------------------------------------
+ai_real ComputePositionEpsilon(const aiMesh* const* pMeshes, size_t num)
+{
+    ai_assert( NULL != pMeshes );
+
+    const ai_real epsilon = ai_real( 1e-4 );
+
+    // calculate the position bounds so we have a reliable epsilon to check position differences against
+    aiVector3D minVec, maxVec, mi, ma;
+    MinMaxChooser<aiVector3D>()(minVec,maxVec);
+
+    for (size_t a = 0; a < num; ++a) {
+        const aiMesh* pMesh = pMeshes[a];
+        ArrayBounds(pMesh->mVertices,pMesh->mNumVertices,mi,ma);
+
+        minVec = std::min(minVec,mi);
+        maxVec = std::max(maxVec,ma);
+    }
+    return (maxVec - minVec).Length() * epsilon;
+}
+
+
+// -------------------------------------------------------------------------------
+unsigned int GetMeshVFormatUnique(const aiMesh* pcMesh)
+{
+    ai_assert(NULL != pcMesh);
+
+    // FIX: the hash may never be 0. Otherwise a comparison against
+    // nullptr could be successful
+    unsigned int iRet = 1;
+
+    // normals
+    if (pcMesh->HasNormals())iRet |= 0x2;
+    // tangents and bitangents
+    if (pcMesh->HasTangentsAndBitangents())iRet |= 0x4;
+
+#ifdef BOOST_STATIC_ASSERT
+    BOOST_STATIC_ASSERT(8 >= AI_MAX_NUMBER_OF_COLOR_SETS);
+    BOOST_STATIC_ASSERT(8 >= AI_MAX_NUMBER_OF_TEXTURECOORDS);
+#endif
+
+    // texture coordinates
+    unsigned int p = 0;
+    while (pcMesh->HasTextureCoords(p))
+    {
+        iRet |= (0x100 << p);
+        if (3 == pcMesh->mNumUVComponents[p])
+            iRet |= (0x10000 << p);
+
+        ++p;
+    }
+    // vertex colors
+    p = 0;
+    while (pcMesh->HasVertexColors(p))iRet |= (0x1000000 << p++);
+    return iRet;
+}
+
+// -------------------------------------------------------------------------------
+VertexWeightTable* ComputeVertexBoneWeightTable(const aiMesh* pMesh)
+{
+    if (!pMesh || !pMesh->mNumVertices || !pMesh->mNumBones) {
+        return NULL;
+    }
+
+    VertexWeightTable* avPerVertexWeights = new VertexWeightTable[pMesh->mNumVertices];
+    for (unsigned int i = 0; i < pMesh->mNumBones;++i)  {
+
+        aiBone* bone = pMesh->mBones[i];
+        for (unsigned int a = 0; a < bone->mNumWeights;++a) {
+            const aiVertexWeight& weight = bone->mWeights[a];
+            avPerVertexWeights[weight.mVertexId].push_back( std::pair<unsigned int,float>(i,weight.mWeight) );
+        }
+    }
+    return avPerVertexWeights;
+}
+
+
+// -------------------------------------------------------------------------------
+const char* TextureTypeToString(aiTextureType in)
+{
+    switch (in)
+    {
+    case aiTextureType_NONE:
+        return "n/a";
+    case aiTextureType_DIFFUSE:
+        return "Diffuse";
+    case aiTextureType_SPECULAR:
+        return "Specular";
+    case aiTextureType_AMBIENT:
+        return "Ambient";
+    case aiTextureType_EMISSIVE:
+        return "Emissive";
+    case aiTextureType_OPACITY:
+        return "Opacity";
+    case aiTextureType_NORMALS:
+        return "Normals";
+    case aiTextureType_HEIGHT:
+        return "Height";
+    case aiTextureType_SHININESS:
+        return "Shininess";
+    case aiTextureType_DISPLACEMENT:
+        return "Displacement";
+    case aiTextureType_LIGHTMAP:
+        return "Lightmap";
+    case aiTextureType_REFLECTION:
+        return "Reflection";
+    case aiTextureType_UNKNOWN:
+        return "Unknown";
+    default:
+        break;
+    }
+
+    ai_assert(false);
+    return  "BUG";
+}
+
+// -------------------------------------------------------------------------------
+const char* MappingTypeToString(aiTextureMapping in)
+{
+    switch (in)
+    {
+    case aiTextureMapping_UV:
+        return "UV";
+    case aiTextureMapping_BOX:
+        return "Box";
+    case aiTextureMapping_SPHERE:
+        return "Sphere";
+    case aiTextureMapping_CYLINDER:
+        return "Cylinder";
+    case aiTextureMapping_PLANE:
+        return "Plane";
+    case aiTextureMapping_OTHER:
+        return "Other";
+    default:
+        break;
+    }
+
+    ai_assert(false);
+    return  "BUG";
+}
+
+
+// -------------------------------------------------------------------------------
+aiMesh* MakeSubmesh(const aiMesh *pMesh, const std::vector<unsigned int> &subMeshFaces, unsigned int subFlags)
+{
+    aiMesh *oMesh = new aiMesh();
+    std::vector<unsigned int> vMap(pMesh->mNumVertices,UINT_MAX);
+
+    size_t numSubVerts = 0;
+    size_t numSubFaces = subMeshFaces.size();
+
+    for(unsigned int i=0;i<numSubFaces;i++) {
+        const aiFace &f = pMesh->mFaces[subMeshFaces[i]];
+
+        for(unsigned int j=0;j<f.mNumIndices;j++)   {
+            if(vMap[f.mIndices[j]]==UINT_MAX)   {
+                vMap[f.mIndices[j]] = static_cast<unsigned int>(numSubVerts++);
+            }
+        }
+    }
+
+    oMesh->mName = pMesh->mName;
+
+    oMesh->mMaterialIndex = pMesh->mMaterialIndex;
+    oMesh->mPrimitiveTypes = pMesh->mPrimitiveTypes;
+
+    // create all the arrays for this mesh if the old mesh contained them
+
+    oMesh->mNumFaces = static_cast<unsigned int>(subMeshFaces.size());
+    oMesh->mNumVertices = static_cast<unsigned int>(numSubVerts);
+    oMesh->mVertices = new aiVector3D[numSubVerts];
+    if( pMesh->HasNormals() ) {
+        oMesh->mNormals = new aiVector3D[numSubVerts];
+    }
+
+    if( pMesh->HasTangentsAndBitangents() ) {
+        oMesh->mTangents = new aiVector3D[numSubVerts];
+        oMesh->mBitangents = new aiVector3D[numSubVerts];
+    }
+
+    for( size_t a = 0;  pMesh->HasTextureCoords(static_cast<unsigned int>(a)) ; ++a ) {
+        oMesh->mTextureCoords[a] = new aiVector3D[numSubVerts];
+        oMesh->mNumUVComponents[a] = pMesh->mNumUVComponents[a];
+    }
+
+    for( size_t a = 0; pMesh->HasVertexColors( static_cast<unsigned int>(a)); ++a )    {
+        oMesh->mColors[a] = new aiColor4D[numSubVerts];
+    }
+
+    // and copy over the data, generating faces with linear indices along the way
+    oMesh->mFaces = new aiFace[numSubFaces];
+
+    for(unsigned int a = 0; a < numSubFaces; ++a )  {
+
+        const aiFace& srcFace = pMesh->mFaces[subMeshFaces[a]];
+        aiFace& dstFace = oMesh->mFaces[a];
+        dstFace.mNumIndices = srcFace.mNumIndices;
+        dstFace.mIndices = new unsigned int[dstFace.mNumIndices];
+
+        // accumulate linearly all the vertices of the source face
+        for( size_t b = 0; b < dstFace.mNumIndices; ++b )   {
+            dstFace.mIndices[b] = vMap[srcFace.mIndices[b]];
+        }
+    }
+
+    for(unsigned int srcIndex = 0; srcIndex < pMesh->mNumVertices; ++srcIndex ) {
+        unsigned int nvi = vMap[srcIndex];
+        if(nvi==UINT_MAX) {
+            continue;
+        }
+
+        oMesh->mVertices[nvi] = pMesh->mVertices[srcIndex];
+        if( pMesh->HasNormals() ) {
+            oMesh->mNormals[nvi] = pMesh->mNormals[srcIndex];
+        }
+
+        if( pMesh->HasTangentsAndBitangents() ) {
+            oMesh->mTangents[nvi] = pMesh->mTangents[srcIndex];
+            oMesh->mBitangents[nvi] = pMesh->mBitangents[srcIndex];
+        }
+        for( size_t c = 0, cc = pMesh->GetNumUVChannels(); c < cc; ++c )    {
+                oMesh->mTextureCoords[c][nvi] = pMesh->mTextureCoords[c][srcIndex];
+        }
+        for( size_t c = 0, cc = pMesh->GetNumColorChannels(); c < cc; ++c ) {
+            oMesh->mColors[c][nvi] = pMesh->mColors[c][srcIndex];
+        }
+    }
+
+    if(~subFlags&AI_SUBMESH_FLAGS_SANS_BONES)   {
+        std::vector<unsigned int> subBones(pMesh->mNumBones,0);
+
+        for(unsigned int a=0;a<pMesh->mNumBones;++a)    {
+            const aiBone* bone = pMesh->mBones[a];
+
+            for(unsigned int b=0;b<bone->mNumWeights;b++)   {
+                unsigned int v = vMap[bone->mWeights[b].mVertexId];
+
+                if(v!=UINT_MAX) {
+                    subBones[a]++;
+                }
+            }
+        }
+
+        for(unsigned int a=0;a<pMesh->mNumBones;++a)    {
+            if(subBones[a]>0) {
+                oMesh->mNumBones++;
+            }
+        }
+
+        if(oMesh->mNumBones) {
+            oMesh->mBones = new aiBone*[oMesh->mNumBones]();
+            unsigned int nbParanoia = oMesh->mNumBones;
+
+            oMesh->mNumBones = 0; //rewind
+
+            for(unsigned int a=0;a<pMesh->mNumBones;++a)    {
+                if(subBones[a]==0) {
+                    continue;
+                }
+                aiBone *newBone = new aiBone;
+                oMesh->mBones[oMesh->mNumBones++] = newBone;
+
+                const aiBone* bone = pMesh->mBones[a];
+
+                newBone->mName = bone->mName;
+                newBone->mOffsetMatrix = bone->mOffsetMatrix;
+                newBone->mWeights = new aiVertexWeight[subBones[a]];
+
+                for(unsigned int b=0;b<bone->mNumWeights;b++)   {
+                    const unsigned int v = vMap[bone->mWeights[b].mVertexId];
+
+                    if(v!=UINT_MAX) {
+                        aiVertexWeight w(v,bone->mWeights[b].mWeight);
+                        newBone->mWeights[newBone->mNumWeights++] = w;
+                    }
+                }
+            }
+
+            ai_assert(nbParanoia==oMesh->mNumBones);
+            (void)nbParanoia; // remove compiler warning on release build
+        }
+    }
+
+    return oMesh;
+}
+
+} // namespace Assimp
diff --git a/thirdparty/assimp/code/ProcessHelper.h b/thirdparty/assimp/code/ProcessHelper.h
new file mode 100644
index 0000000000..c59f3217bf
--- /dev/null
+++ b/thirdparty/assimp/code/ProcessHelper.h
@@ -0,0 +1,386 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef AI_PROCESS_HELPER_H_INCLUDED
+#define AI_PROCESS_HELPER_H_INCLUDED
+
+#include <assimp/postprocess.h>
+#include <assimp/anim.h>
+#include <assimp/mesh.h>
+#include <assimp/material.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+
+#include <assimp/SpatialSort.h>
+#include "BaseProcess.h"
+#include <assimp/ParsingUtils.h>
+
+#include <list>
+
+// -------------------------------------------------------------------------------
+// Some extensions to std namespace. Mainly std::min and std::max for all
+// flat data types in the aiScene. They're used to quickly determine the
+// min/max bounds of data arrays.
+#ifdef __cplusplus
+namespace std {
+
+    // std::min for aiVector3D
+    template <typename TReal>
+    inline ::aiVector3t<TReal> min (const ::aiVector3t<TReal>& a, const ::aiVector3t<TReal>& b) {
+        return ::aiVector3t<TReal> (min(a.x,b.x),min(a.y,b.y),min(a.z,b.z));
+    }
+
+    // std::max for aiVector3t<TReal>
+    template <typename TReal>
+    inline ::aiVector3t<TReal> max (const ::aiVector3t<TReal>& a, const ::aiVector3t<TReal>& b) {
+        return ::aiVector3t<TReal> (max(a.x,b.x),max(a.y,b.y),max(a.z,b.z));
+    }
+
+    // std::min for aiVector2t<TReal>
+    template <typename TReal>
+    inline ::aiVector2t<TReal> min (const ::aiVector2t<TReal>& a, const ::aiVector2t<TReal>& b) {
+        return ::aiVector2t<TReal> (min(a.x,b.x),min(a.y,b.y));
+    }
+
+    // std::max for aiVector2t<TReal>
+    template <typename TReal>
+    inline ::aiVector2t<TReal> max (const ::aiVector2t<TReal>& a, const ::aiVector2t<TReal>& b) {
+        return ::aiVector2t<TReal> (max(a.x,b.x),max(a.y,b.y));
+    }
+
+    // std::min for aiColor4D
+    template <typename TReal>
+    inline ::aiColor4t<TReal> min (const ::aiColor4t<TReal>& a, const ::aiColor4t<TReal>& b)    {
+        return ::aiColor4t<TReal> (min(a.r,b.r),min(a.g,b.g),min(a.b,b.b),min(a.a,b.a));
+    }
+
+    // std::max for aiColor4D
+    template <typename TReal>
+    inline ::aiColor4t<TReal> max (const ::aiColor4t<TReal>& a, const ::aiColor4t<TReal>& b)    {
+        return ::aiColor4t<TReal> (max(a.r,b.r),max(a.g,b.g),max(a.b,b.b),max(a.a,b.a));
+    }
+
+
+    // std::min for aiQuaterniont<TReal>
+    template <typename TReal>
+    inline ::aiQuaterniont<TReal> min (const ::aiQuaterniont<TReal>& a, const ::aiQuaterniont<TReal>& b)    {
+        return ::aiQuaterniont<TReal> (min(a.w,b.w),min(a.x,b.x),min(a.y,b.y),min(a.z,b.z));
+    }
+
+    // std::max for aiQuaterniont<TReal>
+    template <typename TReal>
+    inline ::aiQuaterniont<TReal> max (const ::aiQuaterniont<TReal>& a, const ::aiQuaterniont<TReal>& b)    {
+        return ::aiQuaterniont<TReal> (max(a.w,b.w),max(a.x,b.x),max(a.y,b.y),max(a.z,b.z));
+    }
+
+
+
+    // std::min for aiVectorKey
+    inline ::aiVectorKey min (const ::aiVectorKey& a, const ::aiVectorKey& b)   {
+        return ::aiVectorKey (min(a.mTime,b.mTime),min(a.mValue,b.mValue));
+    }
+
+    // std::max for aiVectorKey
+    inline ::aiVectorKey max (const ::aiVectorKey& a, const ::aiVectorKey& b)   {
+        return ::aiVectorKey (max(a.mTime,b.mTime),max(a.mValue,b.mValue));
+    }
+
+    // std::min for aiQuatKey
+    inline ::aiQuatKey min (const ::aiQuatKey& a, const ::aiQuatKey& b) {
+        return ::aiQuatKey (min(a.mTime,b.mTime),min(a.mValue,b.mValue));
+    }
+
+    // std::max for aiQuatKey
+    inline ::aiQuatKey max (const ::aiQuatKey& a, const ::aiQuatKey& b) {
+        return ::aiQuatKey (max(a.mTime,b.mTime),max(a.mValue,b.mValue));
+    }
+
+    // std::min for aiVertexWeight
+    inline ::aiVertexWeight min (const ::aiVertexWeight& a, const ::aiVertexWeight& b)  {
+        return ::aiVertexWeight (min(a.mVertexId,b.mVertexId),min(a.mWeight,b.mWeight));
+    }
+
+    // std::max for aiVertexWeight
+    inline ::aiVertexWeight max (const ::aiVertexWeight& a, const ::aiVertexWeight& b)  {
+        return ::aiVertexWeight (max(a.mVertexId,b.mVertexId),max(a.mWeight,b.mWeight));
+    }
+
+} // end namespace std
+#endif // !! C++
+
+namespace Assimp {
+
+// -------------------------------------------------------------------------------
+// Start points for ArrayBounds<T> for all supported Ts
+template <typename T>
+struct MinMaxChooser;
+
+template <> struct MinMaxChooser<float> {
+    void operator ()(float& min,float& max) {
+        max = -1e10f;
+        min =  1e10f;
+}};
+template <> struct MinMaxChooser<double> {
+    void operator ()(double& min,double& max) {
+        max = -1e10;
+        min =  1e10;
+}};
+template <> struct MinMaxChooser<unsigned int> {
+    void operator ()(unsigned int& min,unsigned int& max) {
+        max = 0;
+        min = (1u<<(sizeof(unsigned int)*8-1));
+}};
+
+template <typename T> struct MinMaxChooser< aiVector3t<T> > {
+    void operator ()(aiVector3t<T>& min,aiVector3t<T>& max) {
+        max = aiVector3t<T>(-1e10f,-1e10f,-1e10f);
+        min = aiVector3t<T>( 1e10f, 1e10f, 1e10f);
+}};
+template <typename T> struct MinMaxChooser< aiVector2t<T> > {
+    void operator ()(aiVector2t<T>& min,aiVector2t<T>& max) {
+        max = aiVector2t<T>(-1e10f,-1e10f);
+        min = aiVector2t<T>( 1e10f, 1e10f);
+    }};
+template <typename T> struct MinMaxChooser< aiColor4t<T> > {
+    void operator ()(aiColor4t<T>& min,aiColor4t<T>& max) {
+        max = aiColor4t<T>(-1e10f,-1e10f,-1e10f,-1e10f);
+        min = aiColor4t<T>( 1e10f, 1e10f, 1e10f, 1e10f);
+}};
+
+template <typename T> struct MinMaxChooser< aiQuaterniont<T> > {
+    void operator ()(aiQuaterniont<T>& min,aiQuaterniont<T>& max) {
+        max = aiQuaterniont<T>(-1e10f,-1e10f,-1e10f,-1e10f);
+        min = aiQuaterniont<T>( 1e10f, 1e10f, 1e10f, 1e10f);
+}};
+
+template <> struct MinMaxChooser<aiVectorKey> {
+    void operator ()(aiVectorKey& min,aiVectorKey& max) {
+        MinMaxChooser<double>()(min.mTime,max.mTime);
+        MinMaxChooser<aiVector3D>()(min.mValue,max.mValue);
+}};
+template <> struct MinMaxChooser<aiQuatKey> {
+    void operator ()(aiQuatKey& min,aiQuatKey& max) {
+        MinMaxChooser<double>()(min.mTime,max.mTime);
+        MinMaxChooser<aiQuaternion>()(min.mValue,max.mValue);
+}};
+
+template <> struct MinMaxChooser<aiVertexWeight> {
+    void operator ()(aiVertexWeight& min,aiVertexWeight& max) {
+        MinMaxChooser<unsigned int>()(min.mVertexId,max.mVertexId);
+        MinMaxChooser<float>()(min.mWeight,max.mWeight);
+}};
+
+// -------------------------------------------------------------------------------
+/** @brief Find the min/max values of an array of Ts
+ *  @param in Input array
+ *  @param size Number of elements to process
+ *  @param[out] min minimum value
+ *  @param[out] max maximum value
+ */
+template <typename T>
+inline void ArrayBounds(const T* in, unsigned int size, T& min, T& max)
+{
+    MinMaxChooser<T> ()(min,max);
+    for (unsigned int i = 0; i < size;++i) {
+        min = std::min(in[i],min);
+        max = std::max(in[i],max);
+    }
+}
+
+
+// -------------------------------------------------------------------------------
+/** Little helper function to calculate the quadratic difference
+ * of two colours.
+ * @param pColor1 First color
+ * @param pColor2 second color
+ * @return Quadratic color difference */
+inline ai_real GetColorDifference( const aiColor4D& pColor1, const aiColor4D& pColor2)
+{
+    const aiColor4D c (pColor1.r - pColor2.r, pColor1.g - pColor2.g, pColor1.b - pColor2.b, pColor1.a - pColor2.a);
+    return c.r*c.r + c.g*c.g + c.b*c.b + c.a*c.a;
+}
+
+
+// -------------------------------------------------------------------------------
+/** @brief Extract single strings from a list of identifiers
+ *  @param in Input string list.
+ *  @param out Receives a list of clean output strings
+ *  @sdee #AI_CONFIG_PP_OG_EXCLUDE_LIST */
+void ConvertListToStrings(const std::string& in, std::list<std::string>& out);
+
+
+// -------------------------------------------------------------------------------
+/** @brief Compute the AABB of a mesh after applying a given transform
+ *  @param mesh Input mesh
+ *  @param[out] min Receives minimum transformed vertex
+ *  @param[out] max Receives maximum transformed vertex
+ *  @param m Transformation matrix to be applied */
+void FindAABBTransformed (const aiMesh* mesh, aiVector3D& min, aiVector3D& max, const aiMatrix4x4& m);
+
+
+// -------------------------------------------------------------------------------
+/** @brief Helper function to determine the 'real' center of a mesh
+ *
+ *  That is the center of its axis-aligned bounding box.
+ *  @param mesh Input mesh
+ *  @param[out] min Minimum vertex of the mesh
+ *  @param[out] max maximum vertex of the mesh
+ *  @param[out] out Center point */
+void FindMeshCenter (aiMesh* mesh, aiVector3D& out, aiVector3D& min, aiVector3D& max);
+
+// -------------------------------------------------------------------------------
+/** @brief Helper function to determine the 'real' center of a scene
+ *
+ *  That is the center of its axis-aligned bounding box.
+ *  @param scene Input scene
+ *  @param[out] min Minimum vertex of the scene
+ *  @param[out] max maximum vertex of the scene
+ *  @param[out] out Center point */
+void FindSceneCenter (aiScene* scene, aiVector3D& out, aiVector3D& min, aiVector3D& max);
+
+
+// -------------------------------------------------------------------------------
+// Helper function to determine the 'real' center of a mesh after applying a given transform
+void FindMeshCenterTransformed (aiMesh* mesh, aiVector3D& out, aiVector3D& min,aiVector3D& max, const aiMatrix4x4& m);
+
+
+// -------------------------------------------------------------------------------
+// Helper function to determine the 'real' center of a mesh
+void FindMeshCenter (aiMesh* mesh, aiVector3D& out);
+
+
+// -------------------------------------------------------------------------------
+// Helper function to determine the 'real' center of a mesh after applying a given transform
+void FindMeshCenterTransformed (aiMesh* mesh, aiVector3D& out,const aiMatrix4x4& m);
+
+
+// -------------------------------------------------------------------------------
+// Compute a good epsilon value for position comparisons on a mesh
+ai_real ComputePositionEpsilon(const aiMesh* pMesh);
+
+
+// -------------------------------------------------------------------------------
+// Compute a good epsilon value for position comparisons on a array of meshes
+ai_real ComputePositionEpsilon(const aiMesh* const* pMeshes, size_t num);
+
+
+// -------------------------------------------------------------------------------
+// Compute an unique value for the vertex format of a mesh
+unsigned int GetMeshVFormatUnique(const aiMesh* pcMesh);
+
+
+// defs for ComputeVertexBoneWeightTable()
+typedef std::pair <unsigned int,float> PerVertexWeight;
+typedef std::vector <PerVertexWeight> VertexWeightTable;
+
+// -------------------------------------------------------------------------------
+// Compute a per-vertex bone weight table
+VertexWeightTable* ComputeVertexBoneWeightTable(const aiMesh* pMesh);
+
+
+// -------------------------------------------------------------------------------
+// Get a string for a given aiTextureType
+const char* TextureTypeToString(aiTextureType in);
+
+
+// -------------------------------------------------------------------------------
+// Get a string for a given aiTextureMapping
+const char* MappingTypeToString(aiTextureMapping in);
+
+
+// flags for MakeSubmesh()
+#define AI_SUBMESH_FLAGS_SANS_BONES 0x1
+
+// -------------------------------------------------------------------------------
+// Split a mesh given a list of faces to be contained in the sub mesh
+aiMesh* MakeSubmesh(const aiMesh *superMesh, const std::vector<unsigned int> &subMeshFaces, unsigned int subFlags);
+
+// -------------------------------------------------------------------------------
+// Utility postprocess step to share the spatial sort tree between
+// all steps which use it to speedup its computations.
+class ComputeSpatialSortProcess : public BaseProcess
+{
+    bool IsActive( unsigned int pFlags) const
+    {
+        return NULL != shared && 0 != (pFlags & (aiProcess_CalcTangentSpace |
+            aiProcess_GenNormals | aiProcess_JoinIdenticalVertices));
+    }
+
+    void Execute( aiScene* pScene)
+    {
+        typedef std::pair<SpatialSort, ai_real> _Type;
+        ASSIMP_LOG_DEBUG("Generate spatially-sorted vertex cache");
+
+        std::vector<_Type>* p = new std::vector<_Type>(pScene->mNumMeshes);
+        std::vector<_Type>::iterator it = p->begin();
+
+        for (unsigned int i = 0; i < pScene->mNumMeshes; ++i, ++it) {
+            aiMesh* mesh = pScene->mMeshes[i];
+            _Type& blubb = *it;
+            blubb.first.Fill(mesh->mVertices,mesh->mNumVertices,sizeof(aiVector3D));
+            blubb.second = ComputePositionEpsilon(mesh);
+        }
+
+        shared->AddProperty(AI_SPP_SPATIAL_SORT,p);
+    }
+};
+
+// -------------------------------------------------------------------------------
+// ... and the same again to cleanup the whole stuff
+class DestroySpatialSortProcess : public BaseProcess
+{
+    bool IsActive( unsigned int pFlags) const
+    {
+        return NULL != shared && 0 != (pFlags & (aiProcess_CalcTangentSpace |
+            aiProcess_GenNormals | aiProcess_JoinIdenticalVertices));
+    }
+
+    void Execute( aiScene* /*pScene*/)
+    {
+        shared->RemoveProperty(AI_SPP_SPATIAL_SORT);
+    }
+};
+
+
+
+} // ! namespace Assimp
+#endif // !! AI_PROCESS_HELPER_H_INCLUDED
diff --git a/thirdparty/assimp/code/RawLoader.cpp b/thirdparty/assimp/code/RawLoader.cpp
new file mode 100644
index 0000000000..d0da247e47
--- /dev/null
+++ b/thirdparty/assimp/code/RawLoader.cpp
@@ -0,0 +1,331 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  RawLoader.cpp
+ *  @brief Implementation of the RAW importer class
+ */
+
+
+#ifndef ASSIMP_BUILD_NO_RAW_IMPORTER
+
+// internal headers
+#include "RawLoader.h"
+#include <assimp/ParsingUtils.h>
+#include <assimp/fast_atof.h>
+#include <memory>
+#include <assimp/IOSystem.hpp>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+#include <assimp/importerdesc.h>
+
+using namespace Assimp;
+
+static const aiImporterDesc desc = {
+    "Raw Importer",
+    "",
+    "",
+    "",
+    aiImporterFlags_SupportTextFlavour,
+    0,
+    0,
+    0,
+    0,
+    "raw"
+};
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+RAWImporter::RAWImporter()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+RAWImporter::~RAWImporter()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the class can handle the format of the given file.
+bool RAWImporter::CanRead( const std::string& pFile, IOSystem* /*pIOHandler*/, bool /*checkSig*/) const
+{
+    return SimpleExtensionCheck(pFile,"raw");
+}
+
+// ------------------------------------------------------------------------------------------------
+const aiImporterDesc* RAWImporter::GetInfo () const
+{
+    return &desc;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Imports the given file into the given scene structure.
+void RAWImporter::InternReadFile( const std::string& pFile,
+    aiScene* pScene, IOSystem* pIOHandler)
+{
+    std::unique_ptr<IOStream> file( pIOHandler->Open( pFile, "rb"));
+
+    // Check whether we can read from the file
+    if( file.get() == NULL) {
+        throw DeadlyImportError( "Failed to open RAW file " + pFile + ".");
+    }
+
+    // allocate storage and copy the contents of the file to a memory buffer
+    // (terminate it with zero)
+    std::vector<char> mBuffer2;
+    TextFileToBuffer(file.get(),mBuffer2);
+    const char* buffer = &mBuffer2[0];
+
+    // list of groups loaded from the file
+    std::vector< GroupInformation > outGroups(1,GroupInformation("<default>"));
+    std::vector< GroupInformation >::iterator curGroup = outGroups.begin();
+
+    // now read all lines
+    char line[4096];
+    while (GetNextLine(buffer,line))
+    {
+        // if the line starts with a non-numeric identifier, it marks
+        // the beginning of a new group
+        const char* sz = line;SkipSpaces(&sz);
+        if (IsLineEnd(*sz))continue;
+        if (!IsNumeric(*sz))
+        {
+            const char* sz2 = sz;
+            while (!IsSpaceOrNewLine(*sz2))++sz2;
+            const unsigned int length = (unsigned int)(sz2-sz);
+
+            // find an existing group with this name
+            for (std::vector< GroupInformation >::iterator it = outGroups.begin(), end = outGroups.end();
+                it != end;++it)
+            {
+                if (length == (*it).name.length() && !::strcmp(sz,(*it).name.c_str()))
+                {
+                    curGroup = it;sz2 = NULL;
+                    break;
+                }
+            }
+            if (sz2)
+            {
+                outGroups.push_back(GroupInformation(std::string(sz,length)));
+                curGroup = outGroups.end()-1;
+            }
+        }
+        else
+        {
+            // there can be maximally 12 floats plus an extra texture file name
+            float data[12];
+            unsigned int num;
+            for (num = 0; num < 12;++num)
+            {
+                if(!SkipSpaces(&sz) || !IsNumeric(*sz))break;
+                sz = fast_atoreal_move<float>(sz,data[num]);
+            }
+            if (num != 12 && num != 9)
+            {
+                ASSIMP_LOG_ERROR("A line may have either 9 or 12 floats and an optional texture");
+                continue;
+            }
+
+            MeshInformation* output = NULL;
+
+            const char* sz2 = sz;
+            unsigned int length;
+            if (!IsLineEnd(*sz))
+            {
+                while (!IsSpaceOrNewLine(*sz2))++sz2;
+                length = (unsigned int)(sz2-sz);
+            }
+            else if (9 == num)
+            {
+                sz = "%default%";
+                length = 9;
+            }
+            else
+            {
+                sz = "";
+                length = 0;
+            }
+
+            // search in the list of meshes whether we have one with this texture
+            for (auto &mesh : (*curGroup).meshes)
+            {
+                if (length == mesh.name.length() && (length ? !::strcmp(sz, mesh.name.c_str()) : true))
+                {
+                    output = &mesh;
+                    break;
+                }
+            }
+            // if we don't have the mesh, create it
+            if (!output)
+            {
+                (*curGroup).meshes.push_back(MeshInformation(std::string(sz,length)));
+                output = &((*curGroup).meshes.back());
+            }
+            if (12 == num)
+            {
+                aiColor4D v(data[0],data[1],data[2],1.0f);
+                output->colors.push_back(v);
+                output->colors.push_back(v);
+                output->colors.push_back(v);
+
+                output->vertices.push_back(aiVector3D(data[3],data[4],data[5]));
+                output->vertices.push_back(aiVector3D(data[6],data[7],data[8]));
+                output->vertices.push_back(aiVector3D(data[9],data[10],data[11]));
+            }
+            else
+            {
+                output->vertices.push_back(aiVector3D(data[0],data[1],data[2]));
+                output->vertices.push_back(aiVector3D(data[3],data[4],data[5]));
+                output->vertices.push_back(aiVector3D(data[6],data[7],data[8]));
+            }
+        }
+    }
+
+    pScene->mRootNode = new aiNode();
+    pScene->mRootNode->mName.Set("<RawRoot>");
+
+    // count the number of valid groups
+    // (meshes can't be empty)
+    for (auto & outGroup : outGroups)
+    {
+        if (!outGroup.meshes.empty())
+        {
+            ++pScene->mRootNode->mNumChildren;
+            pScene->mNumMeshes += (unsigned int) outGroup.meshes.size();
+        }
+    }
+
+    if (!pScene->mNumMeshes)
+    {
+        throw DeadlyImportError("RAW: No meshes loaded. The file seems to be corrupt or empty.");
+    }
+
+    pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
+    aiNode** cc;
+    if (1 == pScene->mRootNode->mNumChildren)
+    {
+        cc = &pScene->mRootNode;
+        pScene->mRootNode->mNumChildren = 0;
+    } else {
+        cc = new aiNode*[pScene->mRootNode->mNumChildren];
+        memset(cc, 0, sizeof(aiNode*) * pScene->mRootNode->mNumChildren);
+        pScene->mRootNode->mChildren = cc;
+    }
+
+    pScene->mNumMaterials = pScene->mNumMeshes;
+    aiMaterial** mats = pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
+
+    unsigned int meshIdx = 0;
+    for (auto & outGroup : outGroups)
+    {
+        if (outGroup.meshes.empty())continue;
+
+        aiNode* node;
+        if (pScene->mRootNode->mNumChildren)
+        {
+            node = *cc = new aiNode();
+            node->mParent = pScene->mRootNode;
+        }
+        else node = *cc;
+        node->mName.Set(outGroup.name);
+
+        // add all meshes
+        node->mNumMeshes = (unsigned int) outGroup.meshes.size();
+        unsigned int* pi = node->mMeshes = new unsigned int[ node->mNumMeshes ];
+        for (std::vector< MeshInformation >::iterator it2 = outGroup.meshes.begin(),
+            end2 = outGroup.meshes.end(); it2 != end2; ++it2)
+        {
+            ai_assert(!(*it2).vertices.empty());
+
+            // allocate the mesh
+            *pi++ = meshIdx;
+            aiMesh* mesh = pScene->mMeshes[meshIdx] = new aiMesh();
+            mesh->mMaterialIndex = meshIdx++;
+
+            mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
+
+            // allocate storage for the vertex components and copy them
+            mesh->mNumVertices = (unsigned int)(*it2).vertices.size();
+            mesh->mVertices = new aiVector3D[ mesh->mNumVertices ];
+            ::memcpy(mesh->mVertices,&(*it2).vertices[0],sizeof(aiVector3D)*mesh->mNumVertices);
+
+            if ((*it2).colors.size())
+            {
+                ai_assert((*it2).colors.size() == mesh->mNumVertices);
+
+                mesh->mColors[0] = new aiColor4D[ mesh->mNumVertices ];
+                ::memcpy(mesh->mColors[0],&(*it2).colors[0],sizeof(aiColor4D)*mesh->mNumVertices);
+            }
+
+            // generate triangles
+            ai_assert(0 == mesh->mNumVertices % 3);
+            aiFace* fc = mesh->mFaces = new aiFace[ mesh->mNumFaces = mesh->mNumVertices/3 ];
+            aiFace* const fcEnd = fc + mesh->mNumFaces;
+            unsigned int n = 0;
+            while (fc != fcEnd)
+            {
+                aiFace& f = *fc++;
+                f.mIndices = new unsigned int[f.mNumIndices = 3];
+                for (unsigned int m = 0; m < 3;++m)
+                    f.mIndices[m] = n++;
+            }
+
+            // generate a material for the mesh
+            aiMaterial* mat = new aiMaterial();
+
+            aiColor4D clr(1.0f,1.0f,1.0f,1.0f);
+            if ("%default%" == (*it2).name) // a gray default material
+            {
+                clr.r = clr.g = clr.b = 0.6f;
+            }
+            else if ((*it2).name.length() > 0) // a texture
+            {
+                aiString s;
+                s.Set((*it2).name);
+                mat->AddProperty(&s,AI_MATKEY_TEXTURE_DIFFUSE(0));
+            }
+            mat->AddProperty<aiColor4D>(&clr,1,AI_MATKEY_COLOR_DIFFUSE);
+            *mats++ = mat;
+        }
+    }
+}
+
+#endif // !! ASSIMP_BUILD_NO_RAW_IMPORTER
diff --git a/thirdparty/assimp/code/RemoveComments.cpp b/thirdparty/assimp/code/RemoveComments.cpp
new file mode 100644
index 0000000000..91700a7699
--- /dev/null
+++ b/thirdparty/assimp/code/RemoveComments.cpp
@@ -0,0 +1,113 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  RemoveComments.cpp
+ *  @brief Defines the CommentRemover utility class
+ */
+
+#include <assimp/RemoveComments.h>
+#include <assimp/ParsingUtils.h>
+
+namespace Assimp    {
+
+// ------------------------------------------------------------------------------------------------
+// Remove line comments from a file
+void CommentRemover::RemoveLineComments(const char* szComment,
+    char* szBuffer, char chReplacement /* = ' ' */)
+{
+    // validate parameters
+    ai_assert(NULL != szComment && NULL != szBuffer && *szComment);
+
+    const size_t len = strlen(szComment);
+    while (*szBuffer)   {
+
+        // skip over quotes
+        if (*szBuffer == '\"' || *szBuffer == '\'')
+            while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
+
+        if (!strncmp(szBuffer,szComment,len)) {
+            while (!IsLineEnd(*szBuffer))
+                *szBuffer++ = chReplacement;
+
+            if (!*szBuffer) {
+                break;
+            }
+        }
+        ++szBuffer;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Remove multi-line comments from a file
+void CommentRemover::RemoveMultiLineComments(const char* szCommentStart,
+    const char* szCommentEnd,char* szBuffer,
+    char chReplacement)
+{
+    // validate parameters
+    ai_assert(NULL != szCommentStart && NULL != szCommentEnd &&
+        NULL != szBuffer && *szCommentStart && *szCommentEnd);
+
+    const size_t len  = strlen(szCommentEnd);
+    const size_t len2 = strlen(szCommentStart);
+
+    while (*szBuffer)   {
+        // skip over quotes
+        if (*szBuffer == '\"' || *szBuffer == '\'')
+            while (*szBuffer++ && *szBuffer != '\"' && *szBuffer != '\'');
+
+        if (!strncmp(szBuffer,szCommentStart,len2))  {
+            while (*szBuffer) {
+                if (!::strncmp(szBuffer,szCommentEnd,len)) {
+                    for (unsigned int i = 0; i < len;++i)
+                        *szBuffer++ = chReplacement;
+
+                    break;
+                }
+            *szBuffer++ = chReplacement;
+            }
+            continue;
+        }
+        ++szBuffer;
+    }
+}
+
+} // !! Assimp
diff --git a/thirdparty/assimp/code/RemoveRedundantMaterials.cpp b/thirdparty/assimp/code/RemoveRedundantMaterials.cpp
new file mode 100644
index 0000000000..632bdca3fe
--- /dev/null
+++ b/thirdparty/assimp/code/RemoveRedundantMaterials.cpp
@@ -0,0 +1,221 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file RemoveRedundantMaterials.cpp
+ *  @brief Implementation of the "RemoveRedundantMaterials" post processing step
+*/
+
+// internal headers
+
+#include "RemoveRedundantMaterials.h"
+#include <assimp/ParsingUtils.h>
+#include "ProcessHelper.h"
+#include "MaterialSystem.h"
+#include <stdio.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+RemoveRedundantMatsProcess::RemoveRedundantMatsProcess()
+: configFixedMaterials() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+RemoveRedundantMatsProcess::~RemoveRedundantMatsProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool RemoveRedundantMatsProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_RemoveRedundantMaterials) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup import properties
+void RemoveRedundantMatsProcess::SetupProperties(const Importer* pImp)
+{
+    // Get value of AI_CONFIG_PP_RRM_EXCLUDE_LIST
+    configFixedMaterials = pImp->GetPropertyString(AI_CONFIG_PP_RRM_EXCLUDE_LIST,"");
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess begin");
+
+    unsigned int redundantRemoved = 0, unreferencedRemoved = 0;
+    if (pScene->mNumMaterials)
+    {
+        // Find out which materials are referenced by meshes
+        std::vector<bool> abReferenced(pScene->mNumMaterials,false);
+        for (unsigned int i = 0;i < pScene->mNumMeshes;++i)
+            abReferenced[pScene->mMeshes[i]->mMaterialIndex] = true;
+
+        // If a list of materials to be excluded was given, match the list with
+        // our imported materials and 'salt' all positive matches to ensure that
+        // we get unique hashes later.
+        if (configFixedMaterials.length()) {
+
+            std::list<std::string> strings;
+            ConvertListToStrings(configFixedMaterials,strings);
+
+            for (unsigned int i = 0; i < pScene->mNumMaterials;++i) {
+                aiMaterial* mat = pScene->mMaterials[i];
+
+                aiString name;
+                mat->Get(AI_MATKEY_NAME,name);
+
+                if (name.length) {
+                    std::list<std::string>::const_iterator it = std::find(strings.begin(), strings.end(), name.data);
+                    if (it != strings.end()) {
+
+                        // Our brilliant 'salt': A single material property with ~ as first
+                        // character to mark it as internal and temporary.
+                        const int dummy = 1;
+                        ((aiMaterial*)mat)->AddProperty(&dummy,1,"~RRM.UniqueMaterial",0,0);
+
+                        // Keep this material even if no mesh references it
+                        abReferenced[i] = true;
+                        ASSIMP_LOG_DEBUG_F( "Found positive match in exclusion list: \'", name.data, "\'");
+                    }
+                }
+            }
+        }
+
+        // TODO: re-implement this algorithm to work in-place
+        unsigned int *aiMappingTable = new unsigned int[pScene->mNumMaterials];
+        for ( unsigned int i=0; i<pScene->mNumMaterials; i++ ) {
+            aiMappingTable[ i ] = 0;
+        }
+        unsigned int iNewNum = 0;
+
+        // Iterate through all materials and calculate a hash for them
+        // store all hashes in a list and so a quick search whether
+        // we do already have a specific hash. This allows us to
+        // determine which materials are identical.
+        uint32_t *aiHashes = new uint32_t[ pScene->mNumMaterials ];;
+        for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
+        {
+            // No mesh is referencing this material, remove it.
+            if (!abReferenced[i]) {
+                ++unreferencedRemoved;
+                delete pScene->mMaterials[i];
+                pScene->mMaterials[i] = nullptr;
+                continue;
+            }
+
+            // Check all previously mapped materials for a matching hash.
+            // On a match we can delete this material and just make it ref to the same index.
+            uint32_t me = aiHashes[i] = ComputeMaterialHash(pScene->mMaterials[i]);
+            for (unsigned int a = 0; a < i;++a)
+            {
+                if (abReferenced[a] && me == aiHashes[a]) {
+                    ++redundantRemoved;
+                    me = 0;
+                    aiMappingTable[i] = aiMappingTable[a];
+                    delete pScene->mMaterials[i];
+                    pScene->mMaterials[i] = nullptr;
+                    break;
+                }
+            }
+            // This is a new material that is referenced, add to the map.
+            if (me) {
+                aiMappingTable[i] = iNewNum++;
+            }
+        }
+        // If the new material count differs from the original,
+        // we need to rebuild the material list and remap mesh material indexes.
+        if (iNewNum != pScene->mNumMaterials) {
+            ai_assert(iNewNum > 0);
+            aiMaterial** ppcMaterials = new aiMaterial*[iNewNum];
+            ::memset(ppcMaterials,0,sizeof(void*)*iNewNum);
+            for (unsigned int p = 0; p < pScene->mNumMaterials;++p)
+            {
+                // if the material is not referenced ... remove it
+                if (!abReferenced[p]) {
+                    continue;
+                }
+
+                // generate new names for modified materials that had no names
+                const unsigned int idx = aiMappingTable[p];
+                if (ppcMaterials[idx]) {
+                    aiString sz;
+                    if( ppcMaterials[idx]->Get(AI_MATKEY_NAME, sz) != AI_SUCCESS ) {
+                        sz.length = ::ai_snprintf(sz.data,MAXLEN,"JoinedMaterial_#%u",p);
+                        ((aiMaterial*)ppcMaterials[idx])->AddProperty(&sz,AI_MATKEY_NAME);
+                    }
+                } else {
+                    ppcMaterials[idx] = pScene->mMaterials[p];
+                }
+            }
+            // update all material indices
+            for (unsigned int p = 0; p < pScene->mNumMeshes;++p) {
+                aiMesh* mesh = pScene->mMeshes[p];
+                ai_assert( NULL!=mesh );
+                mesh->mMaterialIndex = aiMappingTable[mesh->mMaterialIndex];
+            }
+            // delete the old material list
+            delete[] pScene->mMaterials;
+            pScene->mMaterials = ppcMaterials;
+            pScene->mNumMaterials = iNewNum;
+        }
+        // delete temporary storage
+        delete[] aiHashes;
+        delete[] aiMappingTable;
+    }
+    if (redundantRemoved == 0 && unreferencedRemoved == 0)
+    {
+        ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess finished ");
+    }
+    else
+    {
+        ASSIMP_LOG_INFO_F("RemoveRedundantMatsProcess finished. Removed ", redundantRemoved, " redundant and ", 
+            unreferencedRemoved, " unused materials.");
+    }
+}
diff --git a/thirdparty/assimp/code/RemoveRedundantMaterials.h b/thirdparty/assimp/code/RemoveRedundantMaterials.h
new file mode 100644
index 0000000000..dbd4d44cc0
--- /dev/null
+++ b/thirdparty/assimp/code/RemoveRedundantMaterials.h
@@ -0,0 +1,107 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file RemoveRedundantMaterials.h
+ *  @brief Defines a post processing step to remove redundant materials
+ */
+#ifndef AI_REMOVEREDUNDANTMATERIALS_H_INC
+#define AI_REMOVEREDUNDANTMATERIALS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+class RemoveRedundantMatsTest;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** RemoveRedundantMatsProcess: Post-processing step to remove redundant
+ *  materials from the imported scene.
+ */
+class ASSIMP_API RemoveRedundantMatsProcess : public BaseProcess
+{
+public:
+    /// The default class constructor.
+    RemoveRedundantMatsProcess();
+
+    /// The class destructor.
+    ~RemoveRedundantMatsProcess();
+
+public:
+    // -------------------------------------------------------------------
+    // Check whether step is active
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    // Execute step on a given scene
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    // Setup import settings
+    void SetupProperties(const Importer* pImp);
+
+
+    // -------------------------------------------------------------------
+    /** @brief Set list of fixed (unmutable) materials
+     *  @param fixed See #AI_CONFIG_PP_RRM_EXCLUDE_LIST
+     */
+    void SetFixedMaterialsString(const std::string& fixed = "") {
+        configFixedMaterials = fixed;
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Get list of fixed (unmutable) materials
+     *  @return See #AI_CONFIG_PP_RRM_EXCLUDE_LIST
+     */
+    const std::string& GetFixedMaterialsString() const {
+        return configFixedMaterials;
+    }
+
+private:
+
+    //! Configuration option: list of all fixed materials
+    std::string configFixedMaterials;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_REMOVEREDUNDANTMATERIALS_H_INC
diff --git a/thirdparty/assimp/code/RemoveVCProcess.cpp b/thirdparty/assimp/code/RemoveVCProcess.cpp
new file mode 100644
index 0000000000..99fd47a3aa
--- /dev/null
+++ b/thirdparty/assimp/code/RemoveVCProcess.cpp
@@ -0,0 +1,337 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file Implementation of the post processing step to remove
+ *        any parts of the mesh structure from the imported data.
+*/
+
+
+#include "RemoveVCProcess.h"
+#include <assimp/postprocess.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+RemoveVCProcess::RemoveVCProcess() :
+    configDeleteFlags()
+  , mScene()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+RemoveVCProcess::~RemoveVCProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool RemoveVCProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_RemoveComponent) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Small helper function to delete all elements in a T** aray using delete
+template <typename T>
+inline void ArrayDelete(T**& in, unsigned int& num)
+{
+    for (unsigned int i = 0; i < num; ++i)
+        delete in[i];
+
+    delete[] in;
+    in = NULL;
+    num = 0;
+}
+
+#if 0
+// ------------------------------------------------------------------------------------------------
+// Updates the node graph - removes all nodes which have the "remove" flag set and the
+// "don't remove" flag not set. Nodes with meshes are never deleted.
+bool UpdateNodeGraph(aiNode* node,std::list<aiNode*>& childsOfParent,bool root)
+{
+    bool b = false;
+
+    std::list<aiNode*> mine;
+    for (unsigned int i = 0; i < node->mNumChildren;++i)
+    {
+        if(UpdateNodeGraph(node->mChildren[i],mine,false))
+            b = true;
+    }
+
+    // somewhat tricky ... mNumMeshes must be originally 0 and MSB2 may not be set,
+    // so we can do a simple comparison against MSB here
+    if (!root && AI_RC_UINT_MSB == node->mNumMeshes )
+    {
+        // this node needs to be removed
+        if(node->mNumChildren)
+        {
+            childsOfParent.insert(childsOfParent.end(),mine.begin(),mine.end());
+
+            // set all children to NULL to make sure they are not deleted when we delete ourself
+            for (unsigned int i = 0; i < node->mNumChildren;++i)
+                node->mChildren[i] = NULL;
+        }
+        b = true;
+        delete node;
+    }
+    else
+    {
+        AI_RC_UNMASK(node->mNumMeshes);
+        childsOfParent.push_back(node);
+
+        if (b)
+        {
+            // reallocate the array of our children here
+            node->mNumChildren = (unsigned int)mine.size();
+            aiNode** const children = new aiNode*[mine.size()];
+            aiNode** ptr = children;
+
+            for (std::list<aiNode*>::iterator it = mine.begin(), end = mine.end();
+                 it != end; ++it)
+            {
+                *ptr++ = *it;
+            }
+            delete[] node->mChildren;
+            node->mChildren = children;
+            return false;
+        }
+    }
+    return b;
+}
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void RemoveVCProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("RemoveVCProcess begin");
+    bool bHas = false; //,bMasked = false;
+
+    mScene = pScene;
+
+    // handle animations
+    if ( configDeleteFlags & aiComponent_ANIMATIONS)
+    {
+
+        bHas = true;
+        ArrayDelete(pScene->mAnimations,pScene->mNumAnimations);
+    }
+
+    // handle textures
+    if ( configDeleteFlags & aiComponent_TEXTURES)
+    {
+        bHas = true;
+        ArrayDelete(pScene->mTextures,pScene->mNumTextures);
+    }
+
+    // handle materials
+    if ( configDeleteFlags & aiComponent_MATERIALS && pScene->mNumMaterials)
+    {
+        bHas = true;
+        for (unsigned int i = 1;i < pScene->mNumMaterials;++i)
+            delete pScene->mMaterials[i];
+
+        pScene->mNumMaterials = 1;
+        aiMaterial* helper = (aiMaterial*) pScene->mMaterials[0];
+        ai_assert(NULL != helper);
+        helper->Clear();
+
+        // gray
+        aiColor3D clr(0.6f,0.6f,0.6f);
+        helper->AddProperty(&clr,1,AI_MATKEY_COLOR_DIFFUSE);
+
+        // add a small ambient color value
+        clr = aiColor3D(0.05f,0.05f,0.05f);
+        helper->AddProperty(&clr,1,AI_MATKEY_COLOR_AMBIENT);
+
+        aiString s;
+        s.Set("Dummy_MaterialsRemoved");
+        helper->AddProperty(&s,AI_MATKEY_NAME);
+    }
+
+    // handle light sources
+    if ( configDeleteFlags & aiComponent_LIGHTS)
+    {
+        bHas =  true;
+        ArrayDelete(pScene->mLights,pScene->mNumLights);
+    }
+
+    // handle camneras
+    if ( configDeleteFlags & aiComponent_CAMERAS)
+    {
+        bHas = true;
+        ArrayDelete(pScene->mCameras,pScene->mNumCameras);
+    }
+
+    // handle meshes
+    if (configDeleteFlags & aiComponent_MESHES)
+    {
+        bHas = true;
+        ArrayDelete(pScene->mMeshes,pScene->mNumMeshes);
+    }
+    else
+    {
+        for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
+        {
+            if( ProcessMesh( pScene->mMeshes[a]))
+                bHas = true;
+        }
+    }
+
+
+    // now check whether the result is still a full scene
+    if (!pScene->mNumMeshes || !pScene->mNumMaterials)
+    {
+        pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
+        ASSIMP_LOG_DEBUG("Setting AI_SCENE_FLAGS_INCOMPLETE flag");
+
+        // If we have no meshes anymore we should also clear another flag ...
+        if (!pScene->mNumMeshes)
+            pScene->mFlags &= ~AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+    }
+
+    if (bHas) {
+        ASSIMP_LOG_INFO("RemoveVCProcess finished. Data structure cleanup has been done.");
+    } else {
+        ASSIMP_LOG_DEBUG("RemoveVCProcess finished. Nothing to be done ...");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup configuration properties for the step
+void RemoveVCProcess::SetupProperties(const Importer* pImp)
+{
+    configDeleteFlags = pImp->GetPropertyInteger(AI_CONFIG_PP_RVC_FLAGS,0x0);
+    if (!configDeleteFlags)
+    {
+        ASSIMP_LOG_WARN("RemoveVCProcess: AI_CONFIG_PP_RVC_FLAGS is zero.");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+bool RemoveVCProcess::ProcessMesh(aiMesh* pMesh)
+{
+    bool ret = false;
+
+    // if all materials have been deleted let the material
+    // index of the mesh point to the created default material
+    if ( configDeleteFlags & aiComponent_MATERIALS)
+        pMesh->mMaterialIndex = 0;
+
+    // handle normals
+    if (configDeleteFlags & aiComponent_NORMALS && pMesh->mNormals)
+    {
+        delete[] pMesh->mNormals;
+        pMesh->mNormals = NULL;
+        ret = true;
+    }
+
+    // handle tangents and bitangents
+    if (configDeleteFlags & aiComponent_TANGENTS_AND_BITANGENTS && pMesh->mTangents)
+    {
+        delete[] pMesh->mTangents;
+        pMesh->mTangents = NULL;
+
+        delete[] pMesh->mBitangents;
+        pMesh->mBitangents = NULL;
+        ret = true;
+    }
+
+    // handle texture coordinates
+    bool b = (0 != (configDeleteFlags & aiComponent_TEXCOORDS));
+    for (unsigned int i = 0, real = 0; real < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++real)
+    {
+        if (!pMesh->mTextureCoords[i])break;
+        if (configDeleteFlags & aiComponent_TEXCOORDSn(real) || b)
+        {
+            delete [] pMesh->mTextureCoords[i];
+            pMesh->mTextureCoords[i] = NULL;
+            ret = true;
+
+            if (!b)
+            {
+                // collapse the rest of the array
+                for (unsigned int a = i+1; a < AI_MAX_NUMBER_OF_TEXTURECOORDS;++a)
+                    pMesh->mTextureCoords[a-1] = pMesh->mTextureCoords[a];
+
+                pMesh->mTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS-1] = NULL;
+                continue;
+            }
+        }
+        ++i;
+    }
+
+    // handle vertex colors
+    b = (0 != (configDeleteFlags & aiComponent_COLORS));
+    for (unsigned int i = 0, real = 0; real < AI_MAX_NUMBER_OF_COLOR_SETS; ++real)
+    {
+        if (!pMesh->mColors[i])break;
+        if (configDeleteFlags & aiComponent_COLORSn(i) || b)
+        {
+            delete [] pMesh->mColors[i];
+            pMesh->mColors[i] = NULL;
+            ret = true;
+
+            if (!b)
+            {
+                // collapse the rest of the array
+                for (unsigned int a = i+1; a < AI_MAX_NUMBER_OF_COLOR_SETS;++a)
+                    pMesh->mColors[a-1] = pMesh->mColors[a];
+
+                pMesh->mColors[AI_MAX_NUMBER_OF_COLOR_SETS-1] = NULL;
+                continue;
+            }
+        }
+        ++i;
+    }
+
+    // handle bones
+    if (configDeleteFlags & aiComponent_BONEWEIGHTS && pMesh->mBones)
+    {
+        ArrayDelete(pMesh->mBones,pMesh->mNumBones);
+        ret = true;
+    }
+    return ret;
+}
diff --git a/thirdparty/assimp/code/RemoveVCProcess.h b/thirdparty/assimp/code/RemoveVCProcess.h
new file mode 100644
index 0000000000..617d7b9b20
--- /dev/null
+++ b/thirdparty/assimp/code/RemoveVCProcess.h
@@ -0,0 +1,123 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to remove specific parts of the scene */
+#ifndef AI_REMOVEVCPROCESS_H_INCLUDED
+#define AI_REMOVEVCPROCESS_H_INCLUDED
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+class RemoveVCProcessTest;
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** RemoveVCProcess: Class to exclude specific parts of the data structure
+ *  from further processing by removing them,
+*/
+class ASSIMP_API RemoveVCProcess : public BaseProcess {
+public:
+    /// The default class constructor.
+    RemoveVCProcess();
+
+    /// The class destructor.
+    ~RemoveVCProcess();
+
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    virtual void SetupProperties(const Importer* pImp);
+
+    // -------------------------------------------------------------------
+    /** Manually setup the configuration flags for the step
+     *
+     *  @param Bitwise combination of the #aiComponent enumerated values.
+    */
+    void SetDeleteFlags(unsigned int f)
+    {
+        configDeleteFlags = f;
+    }
+
+    // -------------------------------------------------------------------
+    /** Query the current configuration.
+    */
+    unsigned int GetDeleteFlags() const
+    {
+        return configDeleteFlags;
+    }
+
+private:
+
+    bool ProcessMesh (aiMesh* pcMesh);
+
+    /** Configuration flag
+     */
+    unsigned int configDeleteFlags;
+
+    /** The scene we're working with
+     */
+    aiScene* mScene;
+};
+
+// ---------------------------------------------------------------------------
+
+} // end of namespace Assimp
+
+#endif // !!AI_REMOVEVCPROCESS_H_INCLUDED
diff --git a/thirdparty/assimp/code/SGSpatialSort.cpp b/thirdparty/assimp/code/SGSpatialSort.cpp
new file mode 100644
index 0000000000..120070b0aa
--- /dev/null
+++ b/thirdparty/assimp/code/SGSpatialSort.cpp
@@ -0,0 +1,168 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the helper class to quickly find
+vertices close to a given position. Special implementation for
+the 3ds loader handling smooth groups correctly  */
+
+#include <assimp/SGSpatialSort.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+SGSpatialSort::SGSpatialSort()
+{
+    // define the reference plane. We choose some arbitrary vector away from all basic axises
+    // in the hope that no model spreads all its vertices along this plane.
+    mPlaneNormal.Set( 0.8523f, 0.34321f, 0.5736f);
+    mPlaneNormal.Normalize();
+}
+// ------------------------------------------------------------------------------------------------
+// Destructor
+SGSpatialSort::~SGSpatialSort()
+{
+    // nothing to do here, everything destructs automatically
+}
+// ------------------------------------------------------------------------------------------------
+void SGSpatialSort::Add(const aiVector3D& vPosition, unsigned int index,
+    unsigned int smoothingGroup)
+{
+    // store position by index and distance
+    float distance = vPosition * mPlaneNormal;
+    mPositions.push_back( Entry( index, vPosition,
+        distance, smoothingGroup));
+}
+// ------------------------------------------------------------------------------------------------
+void SGSpatialSort::Prepare()
+{
+    // now sort the array ascending by distance.
+    std::sort( this->mPositions.begin(), this->mPositions.end());
+}
+// ------------------------------------------------------------------------------------------------
+// Returns an iterator for all positions close to the given position.
+void SGSpatialSort::FindPositions( const aiVector3D& pPosition,
+    uint32_t pSG,
+    float pRadius,
+    std::vector<unsigned int>& poResults,
+    bool exactMatch /*= false*/) const
+{
+    float dist = pPosition * mPlaneNormal;
+    float minDist = dist - pRadius, maxDist = dist + pRadius;
+
+    // clear the array
+    poResults.clear();
+
+    // quick check for positions outside the range
+    if( mPositions.empty() )
+        return;
+    if( maxDist < mPositions.front().mDistance)
+        return;
+    if( minDist > mPositions.back().mDistance)
+        return;
+
+    // do a binary search for the minimal distance to start the iteration there
+    unsigned int index = (unsigned int)mPositions.size() / 2;
+    unsigned int binaryStepSize = (unsigned int)mPositions.size() / 4;
+    while( binaryStepSize > 1)
+    {
+        if( mPositions[index].mDistance < minDist)
+            index += binaryStepSize;
+        else
+            index -= binaryStepSize;
+
+        binaryStepSize /= 2;
+    }
+
+    // depending on the direction of the last step we need to single step a bit back or forth
+    // to find the actual beginning element of the range
+    while( index > 0 && mPositions[index].mDistance > minDist)
+        index--;
+    while( index < (mPositions.size() - 1) && mPositions[index].mDistance < minDist)
+        index++;
+
+    // Mow start iterating from there until the first position lays outside of the distance range.
+    // Add all positions inside the distance range within the given radius to the result aray
+
+    float squareEpsilon = pRadius * pRadius;
+    std::vector<Entry>::const_iterator it  = mPositions.begin() + index;
+    std::vector<Entry>::const_iterator end = mPositions.end();
+
+    if (exactMatch)
+    {
+        while( it->mDistance < maxDist)
+        {
+            if((it->mPosition - pPosition).SquareLength() < squareEpsilon && it->mSmoothGroups == pSG)
+            {
+                poResults.push_back( it->mIndex);
+            }
+            ++it;
+            if( end == it )break;
+        }
+    }
+    else
+    {
+        // if the given smoothing group is 0, we'll return all surrounding vertices
+        if (!pSG)
+        {
+            while( it->mDistance < maxDist)
+            {
+                if((it->mPosition - pPosition).SquareLength() < squareEpsilon)
+                    poResults.push_back( it->mIndex);
+                ++it;
+                if( end == it)break;
+            }
+        }
+        else while( it->mDistance < maxDist)
+        {
+            if((it->mPosition - pPosition).SquareLength() < squareEpsilon &&
+                (it->mSmoothGroups & pSG || !it->mSmoothGroups))
+            {
+                poResults.push_back( it->mIndex);
+            }
+            ++it;
+            if( end == it)break;
+        }
+    }
+}
+
+
diff --git a/thirdparty/assimp/code/ScaleProcess.cpp b/thirdparty/assimp/code/ScaleProcess.cpp
new file mode 100644
index 0000000000..6d458c4b11
--- /dev/null
+++ b/thirdparty/assimp/code/ScaleProcess.cpp
@@ -0,0 +1,103 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS
+
+#include "ScaleProcess.h"
+
+#include <assimp/scene.h>
+#include <assimp/postprocess.h>
+
+namespace Assimp {
+
+ScaleProcess::ScaleProcess()
+: BaseProcess()
+, mScale( AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT ) {
+    // empty
+}
+
+ScaleProcess::~ScaleProcess() {
+    // empty
+}
+
+void ScaleProcess::setScale( ai_real scale ) {
+    mScale = scale;
+}
+
+ai_real ScaleProcess::getScale() const {
+    return mScale;
+}
+
+bool ScaleProcess::IsActive( unsigned int pFlags ) const {
+    return ( pFlags & aiProcess_GlobalScale ) != 0;
+}
+
+void ScaleProcess::SetupProperties( const Importer* pImp ) {
+    mScale = pImp->GetPropertyFloat( AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY, 0 );
+}
+
+void ScaleProcess::Execute( aiScene* pScene ) {
+    if ( nullptr == pScene ) {
+        return;
+    }
+
+    if ( nullptr == pScene->mRootNode ) {
+        return;
+    }
+
+    traverseNodes( pScene->mRootNode );
+}
+
+void ScaleProcess::traverseNodes( aiNode *node ) {
+    applyScaling( node );
+}
+
+void ScaleProcess::applyScaling( aiNode *currentNode ) {
+    if ( nullptr != currentNode ) {
+        currentNode->mTransformation.a1 = currentNode->mTransformation.a1 * mScale;
+        currentNode->mTransformation.b2 = currentNode->mTransformation.b2 * mScale;
+        currentNode->mTransformation.c3 = currentNode->mTransformation.c3 * mScale;
+    }
+}
+
+} // Namespace Assimp
+
+#endif // !! ASSIMP_BUILD_NO_GLOBALSCALE_PROCESS
diff --git a/thirdparty/assimp/code/ScaleProcess.h b/thirdparty/assimp/code/ScaleProcess.h
new file mode 100644
index 0000000000..55146ae064
--- /dev/null
+++ b/thirdparty/assimp/code/ScaleProcess.h
@@ -0,0 +1,88 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include "BaseProcess.h"
+
+struct aiNode;
+
+#if (!defined AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT)
+#   define AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT  1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** ScaleProcess: Class to rescale the whole model.
+*/
+class ASSIMP_API ScaleProcess : public BaseProcess {
+public:
+    /// The default class constructor.
+    ScaleProcess();
+
+    /// The class destructor.
+    virtual ~ScaleProcess();
+
+    /// Will set the scale manually.
+    void setScale( ai_real scale );
+
+    /// Returns the current scaling value.
+    ai_real getScale() const;
+
+    /// Overwritten, @see BaseProcess
+    virtual bool IsActive( unsigned int pFlags ) const;
+
+    /// Overwritten, @see BaseProcess
+    virtual void SetupProperties( const Importer* pImp );
+
+    /// Overwritten, @see BaseProcess
+    virtual void Execute( aiScene* pScene );
+
+private:
+    void traverseNodes( aiNode *currentNode );
+    void applyScaling( aiNode *currentNode );
+
+private:
+    ai_real mScale;
+};
+
+} // Namespace Assimp
diff --git a/thirdparty/assimp/code/SceneCombiner.cpp b/thirdparty/assimp/code/SceneCombiner.cpp
new file mode 100644
index 0000000000..e445bd7434
--- /dev/null
+++ b/thirdparty/assimp/code/SceneCombiner.cpp
@@ -0,0 +1,1300 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+// TODO: refactor entire file to get rid of the "flat-copy" first approach
+// to copying structures. This easily breaks in the most unintuitive way
+// possible as new fields are added to assimp structures.
+
+// ----------------------------------------------------------------------------
+/** 
+  * @file Implements Assimp::SceneCombiner. This is a smart utility
+  *       class that combines multiple scenes, meshes, ... into one. Currently
+  *       these utilities are used by the IRR and LWS loaders and the
+  *       OptimizeGraph step.
+  */
+// ----------------------------------------------------------------------------
+#include <assimp/SceneCombiner.h>
+#include <assimp/StringUtils.h>
+#include <assimp/fast_atof.h>
+#include <assimp/metadata.h>
+#include <assimp/Hash.h>
+#include "time.h"
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+#include <assimp/mesh.h>
+#include <stdio.h>
+#include "ScenePrivate.h"
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+// Add a prefix to a string
+inline
+void PrefixString(aiString& string,const char* prefix, unsigned int len) {
+    // If the string is already prefixed, we won't prefix it a second time
+    if (string.length >= 1 && string.data[0] == '$')
+        return;
+
+    if (len+string.length>=MAXLEN-1) {
+        ASSIMP_LOG_DEBUG("Can't add an unique prefix because the string is too long");
+        ai_assert(false);
+        return;
+    }
+
+    // Add the prefix
+    ::memmove(string.data+len,string.data,string.length+1);
+    ::memcpy (string.data, prefix, len);
+
+    // And update the string's length
+    string.length += len;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Add node identifiers to a hashing set
+void SceneCombiner::AddNodeHashes(aiNode* node, std::set<unsigned int>& hashes) {
+    // Add node name to hashing set if it is non-empty - empty nodes are allowed
+    // and they can't have any anims assigned so its absolutely safe to duplicate them.
+    if (node->mName.length) {
+        hashes.insert( SuperFastHash(node->mName.data, static_cast<uint32_t>(node->mName.length)) );
+    }
+
+    // Process all children recursively
+    for (unsigned int i = 0; i < node->mNumChildren;++i)
+        AddNodeHashes(node->mChildren[i],hashes);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Add a name prefix to all nodes in a hierarchy
+void SceneCombiner::AddNodePrefixes(aiNode* node, const char* prefix, unsigned int len) {
+    ai_assert(NULL != prefix);
+    PrefixString(node->mName,prefix,len);
+
+    // Process all children recursively
+    for ( unsigned int i = 0; i < node->mNumChildren; ++i ) {
+        AddNodePrefixes( node->mChildren[ i ], prefix, len );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Search for matching names
+bool SceneCombiner::FindNameMatch(const aiString& name, std::vector<SceneHelper>& input, unsigned int cur) {
+    const unsigned int hash = SuperFastHash(name.data, static_cast<uint32_t>(name.length));
+
+    // Check whether we find a positive match in one of the given sets
+    for (unsigned int i = 0; i < input.size(); ++i) {
+        if (cur != i && input[i].hashes.find(hash) != input[i].hashes.end()) {
+            return true;
+        }
+    }
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Add a name prefix to all nodes in a hierarchy if a hash match is found
+void SceneCombiner::AddNodePrefixesChecked(aiNode* node, const char* prefix, unsigned int len,
+        std::vector<SceneHelper>& input, unsigned int cur) {
+    ai_assert(NULL != prefix);
+    const unsigned int hash = SuperFastHash(node->mName.data, static_cast<uint32_t>(node->mName.length));
+
+    // Check whether we find a positive match in one of the given sets
+    for (unsigned int i = 0; i < input.size(); ++i) {
+        if (cur != i && input[i].hashes.find(hash) != input[i].hashes.end()) {
+            PrefixString(node->mName,prefix,len);
+            break;
+        }
+    }
+
+    // Process all children recursively
+    for (unsigned int i = 0; i < node->mNumChildren;++i)
+        AddNodePrefixesChecked(node->mChildren[i],prefix,len,input,cur);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Add an offset to all mesh indices in a node graph
+void SceneCombiner::OffsetNodeMeshIndices (aiNode* node, unsigned int offset) {
+    for (unsigned int i = 0; i < node->mNumMeshes;++i)
+        node->mMeshes[i] += offset;
+
+    for ( unsigned int i = 0; i < node->mNumChildren; ++i ) {
+        OffsetNodeMeshIndices( node->mChildren[ i ], offset );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Merges two scenes. Currently only used by the LWS loader.
+void SceneCombiner::MergeScenes(aiScene** _dest,std::vector<aiScene*>& src, unsigned int flags) {
+    if ( nullptr == _dest ) {
+        return;
+    }
+
+    // if _dest points to NULL allocate a new scene. Otherwise clear the old and reuse it
+    if (src.empty()) {
+        if (*_dest) {
+            (*_dest)->~aiScene();
+            SceneCombiner::CopySceneFlat(_dest,src[0]);
+        }
+        else *_dest = src[0];
+        return;
+    }
+    if (*_dest)(*_dest)->~aiScene();
+    else *_dest = new aiScene();
+
+    // Create a dummy scene to serve as master for the others
+    aiScene* master = new aiScene();
+    master->mRootNode = new aiNode();
+    master->mRootNode->mName.Set("<MergeRoot>");
+
+    std::vector<AttachmentInfo> srcList (src.size());
+    for (unsigned int i = 0; i < srcList.size();++i)    {
+        srcList[i] = AttachmentInfo(src[i],master->mRootNode);
+    }
+
+    // 'master' will be deleted afterwards
+    MergeScenes (_dest, master, srcList, flags);
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::AttachToGraph (aiNode* attach, std::vector<NodeAttachmentInfo>& srcList) {
+    unsigned int cnt;
+    for ( cnt = 0; cnt < attach->mNumChildren; ++cnt ) {
+        AttachToGraph( attach->mChildren[ cnt ], srcList );
+    }
+
+    cnt = 0;
+    for (std::vector<NodeAttachmentInfo>::iterator it = srcList.begin();
+         it != srcList.end(); ++it)
+    {
+        if ((*it).attachToNode == attach && !(*it).resolved)
+            ++cnt;
+    }
+
+    if (cnt)    {
+        aiNode** n = new aiNode*[cnt+attach->mNumChildren];
+        if (attach->mNumChildren)   {
+            ::memcpy(n,attach->mChildren,sizeof(void*)*attach->mNumChildren);
+            delete[] attach->mChildren;
+        }
+        attach->mChildren = n;
+
+        n += attach->mNumChildren;
+        attach->mNumChildren += cnt;
+
+        for (unsigned int i = 0; i < srcList.size();++i)    {
+            NodeAttachmentInfo& att = srcList[i];
+            if (att.attachToNode == attach && !att.resolved)    {
+                *n = att.node;
+                (**n).mParent = attach;
+                ++n;
+
+                // mark this attachment as resolved
+                att.resolved = true;
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::AttachToGraph ( aiScene* master, std::vector<NodeAttachmentInfo>& src) {
+    ai_assert(NULL != master);
+    AttachToGraph(master->mRootNode,src);
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::MergeScenes(aiScene** _dest, aiScene* master, std::vector<AttachmentInfo>& srcList, unsigned int flags) {
+    if ( nullptr == _dest ) {
+        return;
+    }
+
+    // if _dest points to NULL allocate a new scene. Otherwise clear the old and reuse it
+    if (srcList.empty())    {
+        if (*_dest) {
+            SceneCombiner::CopySceneFlat(_dest,master);
+        }
+        else *_dest = master;
+        return;
+    }
+    if (*_dest) {
+        (*_dest)->~aiScene();
+        new (*_dest) aiScene();
+    }
+    else *_dest = new aiScene();
+
+    aiScene* dest = *_dest;
+
+    std::vector<SceneHelper> src (srcList.size()+1);
+    src[0].scene = master;
+    for (unsigned int i = 0; i < srcList.size();++i)    {
+        src[i+1] = SceneHelper( srcList[i].scene );
+    }
+
+    // this helper array specifies which scenes are duplicates of others
+    std::vector<unsigned int> duplicates(src.size(),UINT_MAX);
+
+    // this helper array is used as lookup table several times
+    std::vector<unsigned int> offset(src.size());
+
+    // Find duplicate scenes
+    for (unsigned int i = 0; i < src.size();++i) {
+        if (duplicates[i] != i && duplicates[i] != UINT_MAX) {
+            continue;
+        }
+
+        duplicates[i] = i;
+        for ( unsigned int a = i+1; a < src.size(); ++a)    {
+            if (src[i].scene == src[a].scene) {
+                duplicates[a] = i;
+            }
+        }
+    }
+
+    // Generate unique names for all named stuff?
+    if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES)
+    {
+#if 0
+        // Construct a proper random number generator
+        boost::mt19937 rng(  );
+        boost::uniform_int<> dist(1u,1 << 24u);
+        boost::variate_generator<boost::mt19937&, boost::uniform_int<> > rndGen(rng, dist);
+#endif
+        for (unsigned int i = 1; i < src.size();++i)
+        {
+            //if (i != duplicates[i])
+            //{
+            //  // duplicate scenes share the same UID
+            //  ::strcpy( src[i].id, src[duplicates[i]].id );
+            //  src[i].idlen = src[duplicates[i]].idlen;
+
+            //  continue;
+            //}
+
+            src[i].idlen = ai_snprintf(src[i].id, 32, "$%.6X$_",i);
+
+            if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+
+                // Compute hashes for all identifiers in this scene and store them
+                // in a sorted table (for convenience I'm using std::set). We hash
+                // just the node and animation channel names, all identifiers except
+                // the material names should be caught by doing this.
+                AddNodeHashes(src[i]->mRootNode,src[i].hashes);
+
+                for (unsigned int a = 0; a < src[i]->mNumAnimations;++a) {
+                    aiAnimation* anim = src[i]->mAnimations[a];
+                    src[i].hashes.insert(SuperFastHash(anim->mName.data,static_cast<uint32_t>(anim->mName.length)));
+                }
+            }
+        }
+    }
+
+    unsigned int cnt;
+
+    // First find out how large the respective output arrays must be
+    for ( unsigned int n = 0; n < src.size();++n )
+    {
+        SceneHelper* cur = &src[n];
+
+        if (n == duplicates[n] || flags & AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY)   {
+            dest->mNumTextures   += (*cur)->mNumTextures;
+            dest->mNumMaterials  += (*cur)->mNumMaterials;
+            dest->mNumMeshes     += (*cur)->mNumMeshes;
+        }
+
+        dest->mNumLights     += (*cur)->mNumLights;
+        dest->mNumCameras    += (*cur)->mNumCameras;
+        dest->mNumAnimations += (*cur)->mNumAnimations;
+
+        // Combine the flags of all scenes
+        // We need to process them flag-by-flag here to get correct results
+        // dest->mFlags ; //|= (*cur)->mFlags;
+        if ((*cur)->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
+            dest->mFlags |= AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
+        }
+    }
+
+    // generate the output texture list + an offset table for all texture indices
+    if (dest->mNumTextures)
+    {
+        aiTexture** pip = dest->mTextures = new aiTexture*[dest->mNumMaterials];
+        cnt = 0;
+        for ( unsigned int n = 0; n < src.size();++n )
+        {
+            SceneHelper* cur = &src[n];
+            for (unsigned int i = 0; i < (*cur)->mNumTextures;++i)
+            {
+                if (n != duplicates[n])
+                {
+                    if ( flags & AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY)
+                        Copy(pip,(*cur)->mTextures[i]);
+
+                    else continue;
+                }
+                else *pip = (*cur)->mTextures[i];
+                ++pip;
+            }
+
+            offset[n] = cnt;
+            cnt = (unsigned int)(pip - dest->mTextures);
+        }
+    }
+
+    // generate the output material list + an offset table for all material indices
+    if (dest->mNumMaterials)
+    {
+        aiMaterial** pip = dest->mMaterials = new aiMaterial*[dest->mNumMaterials];
+        cnt = 0;
+        for ( unsigned int n = 0; n < src.size();++n )  {
+            SceneHelper* cur = &src[n];
+            for (unsigned int i = 0; i < (*cur)->mNumMaterials;++i)
+            {
+                if (n != duplicates[n])
+                {
+                    if ( flags & AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY)
+                        Copy(pip,(*cur)->mMaterials[i]);
+
+                    else continue;
+                }
+                else *pip = (*cur)->mMaterials[i];
+
+                if ((*cur)->mNumTextures != dest->mNumTextures)     {
+                    // We need to update all texture indices of the mesh. So we need to search for
+                    // a material property called '$tex.file'
+
+                    for (unsigned int a = 0; a < (*pip)->mNumProperties;++a)
+                    {
+                        aiMaterialProperty* prop = (*pip)->mProperties[a];
+                        if (!strncmp(prop->mKey.data,"$tex.file",9))
+                        {
+                            // Check whether this texture is an embedded texture.
+                            // In this case the property looks like this: *<n>,
+                            // where n is the index of the texture.
+                            aiString& s = *((aiString*)prop->mData);
+                            if ('*' == s.data[0])   {
+                                // Offset the index and write it back ..
+                                const unsigned int idx = strtoul10(&s.data[1]) + offset[n];
+                                ASSIMP_itoa10(&s.data[1],sizeof(s.data)-1,idx);
+                            }
+                        }
+
+                        // Need to generate new, unique material names?
+                        else if (!::strcmp( prop->mKey.data,"$mat.name" ) && flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_MATNAMES)
+                        {
+                            aiString* pcSrc = (aiString*) prop->mData;
+                            PrefixString(*pcSrc, (*cur).id, (*cur).idlen);
+                        }
+                    }
+                }
+                ++pip;
+            }
+
+            offset[n] = cnt;
+            cnt = (unsigned int)(pip - dest->mMaterials);
+        }
+    }
+
+    // generate the output mesh list + again an offset table for all mesh indices
+    if (dest->mNumMeshes)
+    {
+        aiMesh** pip = dest->mMeshes = new aiMesh*[dest->mNumMeshes];
+        cnt = 0;
+        for ( unsigned int n = 0; n < src.size();++n )
+        {
+            SceneHelper* cur = &src[n];
+            for (unsigned int i = 0; i < (*cur)->mNumMeshes;++i)
+            {
+                if (n != duplicates[n]) {
+                    if ( flags & AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY)
+                        Copy(pip, (*cur)->mMeshes[i]);
+
+                    else continue;
+                }
+                else *pip = (*cur)->mMeshes[i];
+
+                // update the material index of the mesh
+                (*pip)->mMaterialIndex +=  offset[n];
+                ++pip;
+            }
+
+            // reuse the offset array - store now the mesh offset in it
+            offset[n] = cnt;
+            cnt = (unsigned int)(pip - dest->mMeshes);
+        }
+    }
+
+    std::vector <NodeAttachmentInfo> nodes;
+    nodes.reserve(srcList.size());
+
+    // ----------------------------------------------------------------------------
+    // Now generate the output node graph. We need to make those
+    // names in the graph that are referenced by anims or lights
+    // or cameras unique. So we add a prefix to them ... $<rand>_
+    // We could also use a counter, but using a random value allows us to
+    // use just one prefix if we are joining multiple scene hierarchies recursively.
+    // Chances are quite good we don't collide, so we try that ...
+    // ----------------------------------------------------------------------------
+
+    // Allocate space for light sources, cameras and animations
+    aiLight** ppLights = dest->mLights = (dest->mNumLights
+        ? new aiLight*[dest->mNumLights] : NULL);
+
+    aiCamera** ppCameras = dest->mCameras = (dest->mNumCameras
+        ? new aiCamera*[dest->mNumCameras] : NULL);
+
+    aiAnimation** ppAnims = dest->mAnimations = (dest->mNumAnimations
+        ? new aiAnimation*[dest->mNumAnimations] : NULL);
+
+    for ( int n = static_cast<int>(src.size()-1); n >= 0 ;--n ) /* !!! important !!! */
+    {
+        SceneHelper* cur = &src[n];
+        aiNode* node;
+
+        // To offset or not to offset, this is the question
+        if (n != (int)duplicates[n])
+        {
+            // Get full scene-graph copy
+            Copy( &node, (*cur)->mRootNode );
+            OffsetNodeMeshIndices(node,offset[duplicates[n]]);
+
+            if (flags & AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY) {
+                // (note:) they are already 'offseted' by offset[duplicates[n]]
+                OffsetNodeMeshIndices(node,offset[n] - offset[duplicates[n]]);
+            }
+        }
+        else // if (n == duplicates[n])
+        {
+            node = (*cur)->mRootNode;
+            OffsetNodeMeshIndices(node,offset[n]);
+        }
+        if (n) // src[0] is the master node
+            nodes.push_back(NodeAttachmentInfo( node,srcList[n-1].attachToNode,n ));
+
+        // add name prefixes?
+        if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES) {
+
+            // or the whole scenegraph
+            if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                AddNodePrefixesChecked(node,(*cur).id,(*cur).idlen,src,n);
+            }
+            else AddNodePrefixes(node,(*cur).id,(*cur).idlen);
+
+            // meshes
+            for (unsigned int i = 0; i < (*cur)->mNumMeshes;++i)    {
+                aiMesh* mesh = (*cur)->mMeshes[i];
+
+                // rename all bones
+                for (unsigned int a = 0; a < mesh->mNumBones;++a)   {
+                    if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                        if (!FindNameMatch(mesh->mBones[a]->mName,src,n))
+                            continue;
+                    }
+                    PrefixString(mesh->mBones[a]->mName,(*cur).id,(*cur).idlen);
+                }
+            }
+        }
+
+        // --------------------------------------------------------------------
+        // Copy light sources
+        for (unsigned int i = 0; i < (*cur)->mNumLights;++i,++ppLights)
+        {
+            if (n != (int)duplicates[n]) // duplicate scene?
+            {
+                Copy(ppLights, (*cur)->mLights[i]);
+            }
+            else *ppLights = (*cur)->mLights[i];
+
+
+            // Add name prefixes?
+            if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES) {
+                if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                    if (!FindNameMatch((*ppLights)->mName,src,n))
+                        continue;
+                }
+
+                PrefixString((*ppLights)->mName,(*cur).id,(*cur).idlen);
+            }
+        }
+
+        // --------------------------------------------------------------------
+        // Copy cameras
+        for (unsigned int i = 0; i < (*cur)->mNumCameras;++i,++ppCameras)   {
+            if (n != (int)duplicates[n]) // duplicate scene?
+            {
+                Copy(ppCameras, (*cur)->mCameras[i]);
+            }
+            else *ppCameras = (*cur)->mCameras[i];
+
+            // Add name prefixes?
+            if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES) {
+                if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                    if (!FindNameMatch((*ppCameras)->mName,src,n))
+                        continue;
+                }
+
+                PrefixString((*ppCameras)->mName,(*cur).id,(*cur).idlen);
+            }
+        }
+
+        // --------------------------------------------------------------------
+        // Copy animations
+        for (unsigned int i = 0; i < (*cur)->mNumAnimations;++i,++ppAnims)  {
+            if (n != (int)duplicates[n]) // duplicate scene?
+            {
+                Copy(ppAnims, (*cur)->mAnimations[i]);
+            }
+            else *ppAnims = (*cur)->mAnimations[i];
+
+            // Add name prefixes?
+            if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES) {
+                if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                    if (!FindNameMatch((*ppAnims)->mName,src,n))
+                        continue;
+                }
+
+                PrefixString((*ppAnims)->mName,(*cur).id,(*cur).idlen);
+
+                // don't forget to update all node animation channels
+                for (unsigned int a = 0; a < (*ppAnims)->mNumChannels;++a) {
+                    if (flags & AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY) {
+                        if (!FindNameMatch((*ppAnims)->mChannels[a]->mNodeName,src,n))
+                            continue;
+                    }
+
+                    PrefixString((*ppAnims)->mChannels[a]->mNodeName,(*cur).id,(*cur).idlen);
+                }
+            }
+        }
+    }
+
+    // Now build the output graph
+    AttachToGraph ( master, nodes);
+    dest->mRootNode = master->mRootNode;
+
+    // Check whether we succeeded at building the output graph
+    for (std::vector <NodeAttachmentInfo> ::iterator it = nodes.begin();
+        it != nodes.end(); ++it)
+    {
+        if (!(*it).resolved) {
+            if (flags & AI_INT_MERGE_SCENE_RESOLVE_CROSS_ATTACHMENTS) {
+                // search for this attachment point in all other imported scenes, too.
+                for ( unsigned int n = 0; n < src.size();++n ) {
+                    if (n != (*it).src_idx) {
+                        AttachToGraph(src[n].scene,nodes);
+                        if ((*it).resolved)
+                            break;
+                    }
+                }
+            }
+            if (!(*it).resolved) {
+                ASSIMP_LOG_ERROR_F( "SceneCombiner: Failed to resolve attachment ", (*it).node->mName.data,
+                    " ", (*it).attachToNode->mName.data );
+            }
+        }
+    }
+
+    // now delete all input scenes. Make sure duplicate scenes aren't
+    // deleted more than one time
+    for ( unsigned int n = 0; n < src.size();++n )  {
+        if (n != duplicates[n]) // duplicate scene?
+            continue;
+
+        aiScene* deleteMe = src[n].scene;
+
+        // We need to delete the arrays before the destructor is called -
+        // we are reusing the array members
+        delete[] deleteMe->mMeshes;     deleteMe->mMeshes     = NULL;
+        delete[] deleteMe->mCameras;    deleteMe->mCameras    = NULL;
+        delete[] deleteMe->mLights;     deleteMe->mLights     = NULL;
+        delete[] deleteMe->mMaterials;  deleteMe->mMaterials  = NULL;
+        delete[] deleteMe->mAnimations; deleteMe->mAnimations = NULL;
+
+        deleteMe->mRootNode = NULL;
+
+        // Now we can safely delete the scene
+        delete deleteMe;
+    }
+
+    // Check flags
+    if (!dest->mNumMeshes || !dest->mNumMaterials) {
+        dest->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
+    }
+
+    // We're finished
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a list of unique bones
+void SceneCombiner::BuildUniqueBoneList(std::list<BoneWithHash>& asBones,
+    std::vector<aiMesh*>::const_iterator it,
+    std::vector<aiMesh*>::const_iterator end)
+{
+    unsigned int iOffset = 0;
+    for (; it != end;++it)  {
+        for (unsigned int l = 0; l < (*it)->mNumBones;++l)  {
+            aiBone* p = (*it)->mBones[l];
+            uint32_t itml = SuperFastHash(p->mName.data,(unsigned int)p->mName.length);
+
+            std::list<BoneWithHash>::iterator it2  = asBones.begin();
+            std::list<BoneWithHash>::iterator end2 = asBones.end();
+
+            for (;it2 != end2;++it2)    {
+                if ((*it2).first == itml)   {
+                    (*it2).pSrcBones.push_back(BoneSrcIndex(p,iOffset));
+                    break;
+                }
+            }
+            if (end2 == it2)    {
+                // need to begin a new bone entry
+                asBones.push_back(BoneWithHash());
+                BoneWithHash& btz = asBones.back();
+
+                // setup members
+                btz.first = itml;
+                btz.second = &p->mName;
+                btz.pSrcBones.push_back(BoneSrcIndex(p,iOffset));
+            }
+        }
+        iOffset += (*it)->mNumVertices;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Merge a list of bones
+void SceneCombiner::MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator it,
+    std::vector<aiMesh*>::const_iterator end)
+{
+    if ( nullptr == out || out->mNumBones == 0 ) {
+        return;
+    }
+
+    // find we need to build an unique list of all bones.
+    // we work with hashes to make the comparisons MUCH faster,
+    // at least if we have many bones.
+    std::list<BoneWithHash> asBones;
+    BuildUniqueBoneList( asBones, it, end );
+
+    // now create the output bones
+    out->mNumBones = 0;
+    out->mBones = new aiBone*[asBones.size()];
+
+    for (std::list<BoneWithHash>::const_iterator boneIt = asBones.begin(),boneEnd = asBones.end(); boneIt != boneEnd; ++boneIt )  {
+        // Allocate a bone and setup it's name
+        aiBone* pc = out->mBones[out->mNumBones++] = new aiBone();
+        pc->mName = aiString( *( boneIt->second ));
+
+        std::vector< BoneSrcIndex >::const_iterator wend = boneIt->pSrcBones.end();
+
+        // Loop through all bones to be joined for this bone
+        for (std::vector< BoneSrcIndex >::const_iterator wmit = boneIt->pSrcBones.begin(); wmit != wend; ++wmit)  {
+            pc->mNumWeights += (*wmit).first->mNumWeights;
+
+            // NOTE: different offset matrices for bones with equal names
+            // are - at the moment - not handled correctly.
+            if (wmit != boneIt->pSrcBones.begin() && pc->mOffsetMatrix != wmit->first->mOffsetMatrix) {
+                ASSIMP_LOG_WARN("Bones with equal names but different offset matrices can't be joined at the moment");
+                continue;
+            }
+            pc->mOffsetMatrix = wmit->first->mOffsetMatrix;
+        }
+
+        // Allocate the vertex weight array
+        aiVertexWeight* avw = pc->mWeights = new aiVertexWeight[pc->mNumWeights];
+
+        // And copy the final weights - adjust the vertex IDs by the
+        // face index offset of the corresponding mesh.
+        for (std::vector< BoneSrcIndex >::const_iterator wmit = (*boneIt).pSrcBones.begin(); wmit != (*boneIt).pSrcBones.end(); ++wmit) {
+            if (wmit == wend) {
+                break;
+            }
+
+            aiBone* pip = (*wmit).first;
+            for (unsigned int mp = 0; mp < pip->mNumWeights;++mp,++avw) {
+                const aiVertexWeight& vfi = pip->mWeights[mp];
+                avw->mWeight = vfi.mWeight;
+                avw->mVertexId = vfi.mVertexId + (*wmit).second;
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Merge a list of meshes
+void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
+    std::vector<aiMesh*>::const_iterator begin,
+    std::vector<aiMesh*>::const_iterator end)
+{
+    if ( nullptr == _out ) {
+        return;
+    }
+
+    if (begin == end)   {
+        *_out = NULL; // no meshes ...
+        return;
+    }
+
+    // Allocate the output mesh
+    aiMesh* out = *_out = new aiMesh();
+    out->mMaterialIndex = (*begin)->mMaterialIndex;
+
+    std::string name;
+    // Find out how much output storage we'll need
+    for (std::vector<aiMesh*>::const_iterator it = begin; it != end; ++it) {
+        const char *meshName( (*it)->mName.C_Str() );
+        name += std::string( meshName );
+        if ( it != end - 1 ) {
+            name += ".";
+        }
+        out->mNumVertices   += (*it)->mNumVertices;
+        out->mNumFaces      += (*it)->mNumFaces;
+        out->mNumBones      += (*it)->mNumBones;
+
+        // combine primitive type flags
+        out->mPrimitiveTypes |= (*it)->mPrimitiveTypes;
+    }
+    out->mName.Set( name.c_str() );
+
+    if (out->mNumVertices) {
+        aiVector3D* pv2;
+
+        // copy vertex positions
+        if ((**begin).HasPositions())   {
+
+            pv2 = out->mVertices = new aiVector3D[out->mNumVertices];
+            for (std::vector<aiMesh*>::const_iterator it = begin; it != end; ++it)  {
+                if ((*it)->mVertices)   {
+                    ::memcpy(pv2,(*it)->mVertices,(*it)->mNumVertices*sizeof(aiVector3D));
+                }
+                else ASSIMP_LOG_WARN("JoinMeshes: Positions expected but input mesh contains no positions");
+                pv2 += (*it)->mNumVertices;
+            }
+        }
+        // copy normals
+        if ((**begin).HasNormals()) {
+
+            pv2 = out->mNormals = new aiVector3D[out->mNumVertices];
+            for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it)   {
+                if ((*it)->mNormals)    {
+                    ::memcpy(pv2,(*it)->mNormals,(*it)->mNumVertices*sizeof(aiVector3D));
+                } else {
+                    ASSIMP_LOG_WARN( "JoinMeshes: Normals expected but input mesh contains no normals" );
+                }
+                pv2 += (*it)->mNumVertices;
+            }
+        }
+        // copy tangents and bi-tangents
+        if ((**begin).HasTangentsAndBitangents())   {
+
+            pv2 = out->mTangents = new aiVector3D[out->mNumVertices];
+            aiVector3D* pv2b = out->mBitangents = new aiVector3D[out->mNumVertices];
+
+            for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it) {
+                if ((*it)->mTangents)   {
+                    ::memcpy(pv2, (*it)->mTangents,  (*it)->mNumVertices*sizeof(aiVector3D));
+                    ::memcpy(pv2b,(*it)->mBitangents,(*it)->mNumVertices*sizeof(aiVector3D));
+                } else {
+                    ASSIMP_LOG_WARN( "JoinMeshes: Tangents expected but input mesh contains no tangents" );
+                }
+                pv2  += (*it)->mNumVertices;
+                pv2b += (*it)->mNumVertices;
+            }
+        }
+        // copy texture coordinates
+        unsigned int n = 0;
+        while ((**begin).HasTextureCoords(n)) {
+            out->mNumUVComponents[n] = (*begin)->mNumUVComponents[n];
+
+            pv2 = out->mTextureCoords[n] = new aiVector3D[out->mNumVertices];
+            for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it)   {
+                if ((*it)->mTextureCoords[n])   {
+                    ::memcpy(pv2,(*it)->mTextureCoords[n],(*it)->mNumVertices*sizeof(aiVector3D));
+                } else {
+                    ASSIMP_LOG_WARN( "JoinMeshes: UVs expected but input mesh contains no UVs" );
+                }
+                pv2 += (*it)->mNumVertices;
+            }
+            ++n;
+        }
+        // copy vertex colors
+        n = 0;
+        while ((**begin).HasVertexColors(n))    {
+            aiColor4D *pVec2 = out->mColors[n] = new aiColor4D[out->mNumVertices];
+            for ( std::vector<aiMesh*>::const_iterator it = begin; it != end; ++it )   {
+                if ((*it)->mColors[n])  {
+                    ::memcpy( pVec2, (*it)->mColors[ n ], (*it)->mNumVertices * sizeof( aiColor4D ) ) ;
+                } else {
+                    ASSIMP_LOG_WARN( "JoinMeshes: VCs expected but input mesh contains no VCs" );
+                }
+                pVec2 += (*it)->mNumVertices;
+            }
+            ++n;
+        }
+    }
+
+    if (out->mNumFaces) // just for safety
+    {
+        // copy faces
+        out->mFaces = new aiFace[out->mNumFaces];
+        aiFace* pf2 = out->mFaces;
+
+        unsigned int ofs = 0;
+        for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it)   {
+            for (unsigned int m = 0; m < (*it)->mNumFaces;++m,++pf2)    {
+                aiFace& face = (*it)->mFaces[m];
+                pf2->mNumIndices = face.mNumIndices;
+                pf2->mIndices = face.mIndices;
+
+                if (ofs)    {
+                    // add the offset to the vertex
+                    for (unsigned int q = 0; q < face.mNumIndices; ++q)
+                        face.mIndices[q] += ofs;
+                }
+                face.mIndices = NULL;
+            }
+            ofs += (*it)->mNumVertices;
+        }
+    }
+
+    // bones - as this is quite lengthy, I moved the code to a separate function
+    if (out->mNumBones)
+        MergeBones(out,begin,end);
+
+    // delete all source meshes
+    for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it)
+        delete *it;
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::MergeMaterials(aiMaterial** dest,
+        std::vector<aiMaterial*>::const_iterator begin,
+        std::vector<aiMaterial*>::const_iterator end)
+{
+    if ( nullptr == dest ) {
+        return;
+    }
+
+    if (begin == end)   {
+        *dest = NULL; // no materials ...
+        return;
+    }
+
+    // Allocate the output material
+    aiMaterial* out = *dest = new aiMaterial();
+
+    // Get the maximal number of properties
+    unsigned int size = 0;
+    for (std::vector<aiMaterial*>::const_iterator it = begin; it != end; ++it) {
+        size += (*it)->mNumProperties;
+    }
+
+    out->Clear();
+    delete[] out->mProperties;
+
+    out->mNumAllocated = size;
+    out->mNumProperties = 0;
+    out->mProperties = new aiMaterialProperty*[out->mNumAllocated];
+
+    for (std::vector<aiMaterial*>::const_iterator it = begin; it != end; ++it) {
+        for(unsigned int i = 0; i < (*it)->mNumProperties; ++i) {
+            aiMaterialProperty* sprop = (*it)->mProperties[i];
+
+            // Test if we already have a matching property
+            const aiMaterialProperty* prop_exist;
+            if(aiGetMaterialProperty(out, sprop->mKey.C_Str(), sprop->mSemantic, sprop->mIndex, &prop_exist) != AI_SUCCESS) {
+                // If not, we add it to the new material
+                aiMaterialProperty* prop = out->mProperties[out->mNumProperties] = new aiMaterialProperty();
+
+                prop->mDataLength = sprop->mDataLength;
+                prop->mData = new char[prop->mDataLength];
+                ::memcpy(prop->mData, sprop->mData, prop->mDataLength);
+
+                prop->mIndex    = sprop->mIndex;
+                prop->mSemantic = sprop->mSemantic;
+                prop->mKey      = sprop->mKey;
+                prop->mType     = sprop->mType;
+
+                out->mNumProperties++;
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename Type>
+inline
+void CopyPtrArray (Type**& dest, const Type* const * src, ai_uint num) {
+    if (!num) {
+        dest = NULL;
+        return;
+    }
+    dest = new Type*[num];
+    for (ai_uint i = 0; i < num;++i) {
+        SceneCombiner::Copy(&dest[i],src[i]);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename Type>
+inline
+void GetArrayCopy(Type*& dest, ai_uint num ) {
+    if ( !dest ) {
+        return;
+    }
+    Type* old = dest;
+
+    dest = new Type[num];
+    ::memcpy(dest, old, sizeof(Type) * num);
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::CopySceneFlat(aiScene** _dest,const aiScene* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    // reuse the old scene or allocate a new?
+    if (*_dest) {
+        (*_dest)->~aiScene();
+        new (*_dest) aiScene();
+    } else {
+        *_dest = new aiScene();
+    }
+
+    ::memcpy(*_dest,src,sizeof(aiScene));
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::CopyScene(aiScene** _dest,const aiScene* src,bool allocate) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    if (allocate) {
+        *_dest = new aiScene();
+    }
+    aiScene* dest = *_dest;
+    ai_assert(nullptr != dest);
+
+    // copy metadata
+    if ( nullptr != src->mMetaData ) {
+        dest->mMetaData = new aiMetadata( *src->mMetaData );
+    }
+
+    // copy animations
+    dest->mNumAnimations = src->mNumAnimations;
+    CopyPtrArray(dest->mAnimations,src->mAnimations,
+        dest->mNumAnimations);
+
+    // copy textures
+    dest->mNumTextures = src->mNumTextures;
+    CopyPtrArray(dest->mTextures,src->mTextures,
+        dest->mNumTextures);
+
+    // copy materials
+    dest->mNumMaterials = src->mNumMaterials;
+    CopyPtrArray(dest->mMaterials,src->mMaterials,
+        dest->mNumMaterials);
+
+    // copy lights
+    dest->mNumLights = src->mNumLights;
+    CopyPtrArray(dest->mLights,src->mLights,
+        dest->mNumLights);
+
+    // copy cameras
+    dest->mNumCameras = src->mNumCameras;
+    CopyPtrArray(dest->mCameras,src->mCameras,
+        dest->mNumCameras);
+
+    // copy meshes
+    dest->mNumMeshes = src->mNumMeshes;
+    CopyPtrArray(dest->mMeshes,src->mMeshes,
+        dest->mNumMeshes);
+
+    // now - copy the root node of the scene (deep copy, too)
+    Copy( &dest->mRootNode, src->mRootNode);
+
+    // and keep the flags ...
+    dest->mFlags = src->mFlags;
+
+    // source private data might be NULL if the scene is user-allocated (i.e. for use with the export API)
+    if (dest->mPrivate != NULL) {
+        ScenePriv(dest)->mPPStepsApplied = ScenePriv(src) ? ScenePriv(src)->mPPStepsApplied : 0;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy( aiMesh** _dest, const aiMesh* src ) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiMesh* dest = *_dest = new aiMesh();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiMesh));
+
+    // and reallocate all arrays
+    GetArrayCopy( dest->mVertices,   dest->mNumVertices );
+    GetArrayCopy( dest->mNormals ,   dest->mNumVertices );
+    GetArrayCopy( dest->mTangents,   dest->mNumVertices );
+    GetArrayCopy( dest->mBitangents, dest->mNumVertices );
+
+    unsigned int n = 0;
+    while (dest->HasTextureCoords(n))
+        GetArrayCopy( dest->mTextureCoords[n++],   dest->mNumVertices );
+
+    n = 0;
+    while (dest->HasVertexColors(n))
+        GetArrayCopy( dest->mColors[n++],   dest->mNumVertices );
+
+    // make a deep copy of all bones
+    CopyPtrArray(dest->mBones,dest->mBones,dest->mNumBones);
+
+    // make a deep copy of all faces
+    GetArrayCopy(dest->mFaces,dest->mNumFaces);
+    for (unsigned int i = 0; i < dest->mNumFaces;++i) {
+        aiFace& f = dest->mFaces[i];
+        GetArrayCopy(f.mIndices,f.mNumIndices);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy (aiMaterial** _dest, const aiMaterial* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiMaterial* dest = (aiMaterial*) ( *_dest = new aiMaterial() );
+
+    dest->Clear();
+    delete[] dest->mProperties;
+
+    dest->mNumAllocated  =  src->mNumAllocated;
+    dest->mNumProperties =  src->mNumProperties;
+    dest->mProperties    =  new aiMaterialProperty* [dest->mNumAllocated];
+
+    for (unsigned int i = 0; i < dest->mNumProperties;++i)
+    {
+        aiMaterialProperty* prop  = dest->mProperties[i] = new aiMaterialProperty();
+        aiMaterialProperty* sprop = src->mProperties[i];
+
+        prop->mDataLength = sprop->mDataLength;
+        prop->mData = new char[prop->mDataLength];
+        ::memcpy(prop->mData,sprop->mData,prop->mDataLength);
+
+        prop->mIndex    = sprop->mIndex;
+        prop->mSemantic = sprop->mSemantic;
+        prop->mKey      = sprop->mKey;
+        prop->mType     = sprop->mType;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy(aiTexture** _dest, const aiTexture* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiTexture* dest = *_dest = new aiTexture();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiTexture));
+
+    // and reallocate all arrays. We must do it manually here
+    const char* old = (const char*)dest->pcData;
+    if (old)
+    {
+        unsigned int cpy;
+        if (!dest->mHeight)cpy = dest->mWidth;
+        else cpy = dest->mHeight * dest->mWidth * sizeof(aiTexel);
+
+        if (!cpy)
+        {
+            dest->pcData = NULL;
+            return;
+        }
+        // the cast is legal, the aiTexel c'tor does nothing important
+        dest->pcData = (aiTexel*) new char[cpy];
+        ::memcpy(dest->pcData, old, cpy);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy( aiAnimation** _dest, const aiAnimation* src ) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiAnimation* dest = *_dest = new aiAnimation();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiAnimation));
+
+    // and reallocate all arrays
+    CopyPtrArray( dest->mChannels, src->mChannels, dest->mNumChannels );
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy(aiNodeAnim** _dest, const aiNodeAnim* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiNodeAnim* dest = *_dest = new aiNodeAnim();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiNodeAnim));
+
+    // and reallocate all arrays
+    GetArrayCopy( dest->mPositionKeys, dest->mNumPositionKeys );
+    GetArrayCopy( dest->mScalingKeys,  dest->mNumScalingKeys );
+    GetArrayCopy( dest->mRotationKeys, dest->mNumRotationKeys );
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy( aiCamera** _dest,const  aiCamera* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiCamera* dest = *_dest = new aiCamera();
+
+    // get a flat copy, that's already OK
+    ::memcpy(dest,src,sizeof(aiCamera));
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy(aiLight** _dest, const aiLight* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiLight* dest = *_dest = new aiLight();
+
+    // get a flat copy, that's already OK
+    ::memcpy(dest,src,sizeof(aiLight));
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy(aiBone** _dest, const aiBone* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    aiBone* dest = *_dest = new aiBone();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiBone));
+
+    // and reallocate all arrays
+    GetArrayCopy( dest->mWeights, dest->mNumWeights );
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy     (aiNode** _dest, const aiNode* src)
+{
+    ai_assert(NULL != _dest && NULL != src);
+
+    aiNode* dest = *_dest = new aiNode();
+
+    // get a flat copy
+    ::memcpy(dest,src,sizeof(aiNode));
+
+    if (src->mMetaData) {
+        Copy(&dest->mMetaData, src->mMetaData);
+    }
+
+    // and reallocate all arrays
+    GetArrayCopy( dest->mMeshes, dest->mNumMeshes );
+    CopyPtrArray( dest->mChildren, src->mChildren,dest->mNumChildren);
+
+	// need to set the mParent fields to the created aiNode.
+	for( unsigned int i = 0; i < dest->mNumChildren; i ++ ) {
+		dest->mChildren[i]->mParent = dest;
+	}
+}
+
+// ------------------------------------------------------------------------------------------------
+void SceneCombiner::Copy(aiMetadata** _dest, const aiMetadata* src) {
+    if ( nullptr == _dest || nullptr == src ) {
+        return;
+    }
+
+    if ( 0 == src->mNumProperties ) {
+        return;
+    }
+
+    aiMetadata* dest = *_dest = aiMetadata::Alloc( src->mNumProperties );
+    std::copy(src->mKeys, src->mKeys + src->mNumProperties, dest->mKeys);
+
+    dest->mValues = new aiMetadataEntry[src->mNumProperties];
+    for (unsigned int i = 0; i < src->mNumProperties; ++i) {
+        aiMetadataEntry& in = src->mValues[i];
+        aiMetadataEntry& out = dest->mValues[i];
+        out.mType = in.mType;
+        switch (dest->mValues[i].mType) {
+            case AI_BOOL:
+                out.mData = new bool(*static_cast<bool*>(in.mData));
+                break;
+            case AI_INT32:
+                out.mData = new int32_t(*static_cast<int32_t*>(in.mData));
+                break;
+            case AI_UINT64:
+                out.mData = new uint64_t(*static_cast<uint64_t*>(in.mData));
+                break;
+            case AI_FLOAT:
+                out.mData = new float(*static_cast<float*>(in.mData));
+                break;
+            case AI_DOUBLE:
+                out.mData = new double(*static_cast<double*>(in.mData));
+                break;
+            case AI_AISTRING:
+                out.mData = new aiString(*static_cast<aiString*>(in.mData));
+                break;
+            case AI_AIVECTOR3D:
+                out.mData = new aiVector3D(*static_cast<aiVector3D*>(in.mData));
+                break;
+            default:
+                ai_assert(false);
+                break;
+        }
+    }
+}
+
+} // Namespace Assimp
+
diff --git a/thirdparty/assimp/code/ScenePreprocessor.cpp b/thirdparty/assimp/code/ScenePreprocessor.cpp
new file mode 100644
index 0000000000..432a3d7666
--- /dev/null
+++ b/thirdparty/assimp/code/ScenePreprocessor.cpp
@@ -0,0 +1,261 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#include "ScenePreprocessor.h"
+#include <assimp/ai_assert.h>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+
+
+using namespace Assimp;
+
+// ---------------------------------------------------------------------------------------------
+void ScenePreprocessor::ProcessScene ()
+{
+    ai_assert(scene != NULL);
+
+    // Process all meshes
+    for (unsigned int i = 0; i < scene->mNumMeshes;++i)
+        ProcessMesh(scene->mMeshes[i]);
+
+    // - nothing to do for nodes for the moment
+    // - nothing to do for textures for the moment
+    // - nothing to do for lights for the moment
+    // - nothing to do for cameras for the moment
+
+    // Process all animations
+    for (unsigned int i = 0; i < scene->mNumAnimations;++i)
+        ProcessAnimation(scene->mAnimations[i]);
+
+    // Generate a default material if none was specified
+    if (!scene->mNumMaterials && scene->mNumMeshes) {
+        scene->mMaterials      = new aiMaterial*[2];
+        aiMaterial* helper;
+
+        aiString name;
+
+        scene->mMaterials[scene->mNumMaterials] = helper = new aiMaterial();
+        aiColor3D clr(0.6f,0.6f,0.6f);
+        helper->AddProperty(&clr,1,AI_MATKEY_COLOR_DIFFUSE);
+
+        // setup the default name to make this material identifiable
+        name.Set(AI_DEFAULT_MATERIAL_NAME);
+        helper->AddProperty(&name,AI_MATKEY_NAME);
+
+        ASSIMP_LOG_DEBUG("ScenePreprocessor: Adding default material \'" AI_DEFAULT_MATERIAL_NAME  "\'");
+
+        for (unsigned int i = 0; i < scene->mNumMeshes;++i) {
+            scene->mMeshes[i]->mMaterialIndex = scene->mNumMaterials;
+        }
+
+        scene->mNumMaterials++;
+    }
+}
+
+// ---------------------------------------------------------------------------------------------
+void ScenePreprocessor::ProcessMesh (aiMesh* mesh)
+{
+    // If aiMesh::mNumUVComponents is *not* set assign the default value of 2
+    for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i)   {
+        if (!mesh->mTextureCoords[i]) {
+            mesh->mNumUVComponents[i] = 0;
+        } else {
+            if (!mesh->mNumUVComponents[i])
+                mesh->mNumUVComponents[i] = 2;
+
+            aiVector3D* p = mesh->mTextureCoords[i], *end = p+mesh->mNumVertices;
+
+            // Ensure unused components are zeroed. This will make 1D texture channels work
+            // as if they were 2D channels .. just in case an application doesn't handle
+            // this case
+            if (2 == mesh->mNumUVComponents[i]) {
+                for (; p != end; ++p)
+                    p->z = 0.f;
+            }
+            else if (1 == mesh->mNumUVComponents[i]) {
+                for (; p != end; ++p)
+                    p->z = p->y = 0.f;
+            }
+            else if (3 == mesh->mNumUVComponents[i]) {
+                // Really 3D coordinates? Check whether the third coordinate is != 0 for at least one element
+                for (; p != end; ++p) {
+                    if (p->z != 0)
+                        break;
+                }
+                if (p == end) {
+                    ASSIMP_LOG_WARN("ScenePreprocessor: UVs are declared to be 3D but they're obviously not. Reverting to 2D.");
+                    mesh->mNumUVComponents[i] = 2;
+                }
+            }
+        }
+    }
+
+    // If the information which primitive types are there in the
+    // mesh is currently not available, compute it.
+    if (!mesh->mPrimitiveTypes) {
+        for (unsigned int a = 0; a < mesh->mNumFaces; ++a)  {
+            aiFace& face = mesh->mFaces[a];
+            switch (face.mNumIndices)
+            {
+            case 3u:
+                mesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                break;
+
+            case 2u:
+                mesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                break;
+
+            case 1u:
+                mesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                break;
+
+            default:
+                mesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                break;
+            }
+        }
+    }
+
+    // If tangents and normals are given but no bitangents compute them
+    if (mesh->mTangents && mesh->mNormals && !mesh->mBitangents)    {
+
+        mesh->mBitangents = new aiVector3D[mesh->mNumVertices];
+        for (unsigned int i = 0; i < mesh->mNumVertices;++i)    {
+            mesh->mBitangents[i] = mesh->mNormals[i] ^ mesh->mTangents[i];
+        }
+    }
+}
+
+// ---------------------------------------------------------------------------------------------
+void ScenePreprocessor::ProcessAnimation (aiAnimation* anim)
+{
+    double first = 10e10, last = -10e10;
+    for (unsigned int i = 0; i < anim->mNumChannels;++i)    {
+        aiNodeAnim* channel = anim->mChannels[i];
+
+        /*  If the exact duration of the animation is not given
+         *  compute it now.
+         */
+        if (anim->mDuration == -1.) {
+
+            // Position keys
+            for (unsigned int j = 0; j < channel->mNumPositionKeys;++j) {
+                aiVectorKey& key = channel->mPositionKeys[j];
+                first = std::min (first, key.mTime);
+                last  = std::max (last,  key.mTime);
+            }
+
+            // Scaling keys
+            for (unsigned int j = 0; j < channel->mNumScalingKeys;++j )  {
+                aiVectorKey& key = channel->mScalingKeys[j];
+                first = std::min (first, key.mTime);
+                last  = std::max (last,  key.mTime);
+            }
+
+            // Rotation keys
+            for (unsigned int j = 0; j < channel->mNumRotationKeys;++j ) {
+                aiQuatKey& key = channel->mRotationKeys[ j ];
+                first = std::min (first, key.mTime);
+                last  = std::max (last,  key.mTime);
+            }
+        }
+
+        /*  Check whether the animation channel has no rotation
+         *  or position tracks. In this case we generate a dummy
+         *  track from the information we have in the transformation
+         *  matrix of the corresponding node.
+         */
+        if (!channel->mNumRotationKeys || !channel->mNumPositionKeys || !channel->mNumScalingKeys)  {
+            // Find the node that belongs to this animation
+            aiNode* node = scene->mRootNode->FindNode(channel->mNodeName);
+            if (node) // ValidateDS will complain later if 'node' is NULL
+            {
+                // Decompose the transformation matrix of the node
+                aiVector3D scaling, position;
+                aiQuaternion rotation;
+
+                node->mTransformation.Decompose(scaling, rotation,position);
+
+                // No rotation keys? Generate a dummy track
+                if (!channel->mNumRotationKeys) {
+                    channel->mNumRotationKeys = 1;
+                    channel->mRotationKeys = new aiQuatKey[1];
+                    aiQuatKey& q = channel->mRotationKeys[0];
+
+                    q.mTime  = 0.;
+                    q.mValue = rotation;
+
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy rotation track has been generated");
+                }
+
+                // No scaling keys? Generate a dummy track
+                if (!channel->mNumScalingKeys)  {
+                    channel->mNumScalingKeys = 1;
+                    channel->mScalingKeys = new aiVectorKey[1];
+                    aiVectorKey& q = channel->mScalingKeys[0];
+
+                    q.mTime  = 0.;
+                    q.mValue = scaling;
+
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy scaling track has been generated");
+                }
+
+                // No position keys? Generate a dummy track
+                if (!channel->mNumPositionKeys) {
+                    channel->mNumPositionKeys = 1;
+                    channel->mPositionKeys = new aiVectorKey[1];
+                    aiVectorKey& q = channel->mPositionKeys[0];
+
+                    q.mTime  = 0.;
+                    q.mValue = position;
+
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy position track has been generated");
+                }
+            }
+        }
+    }
+
+    if (anim->mDuration == -1.)     {
+        ASSIMP_LOG_DEBUG("ScenePreprocessor: Setting animation duration");
+        anim->mDuration = last - std::min( first, 0. );
+    }
+}
diff --git a/thirdparty/assimp/code/ScenePreprocessor.h b/thirdparty/assimp/code/ScenePreprocessor.h
new file mode 100644
index 0000000000..3f4c8d7c3f
--- /dev/null
+++ b/thirdparty/assimp/code/ScenePreprocessor.h
@@ -0,0 +1,125 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to search all meshes for
+  degenerated faces */
+#ifndef AI_SCENE_PREPROCESSOR_H_INC
+#define AI_SCENE_PREPROCESSOR_H_INC
+
+#include <assimp/defs.h>
+#include <stddef.h>
+
+struct aiScene;
+struct aiAnimation;
+struct aiMesh;
+
+class ScenePreprocessorTest;
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+/** ScenePreprocessor: Preprocess a scene before any post-processing
+ *  steps are executed.
+ *
+ *  The step computes data that needn't necessarily be provided by the
+ *  importer, such as aiMesh::mPrimitiveTypes.
+*/
+// ----------------------------------------------------------------------------------
+class ASSIMP_API ScenePreprocessor
+{
+    // Make ourselves a friend of the corresponding test unit.
+    friend class ::ScenePreprocessorTest;
+public:
+
+    // ----------------------------------------------------------------
+    /** Default c'tpr. Use SetScene() to assign a scene to the object.
+     */
+    ScenePreprocessor()
+        :   scene   (NULL)
+    {}
+
+    /** Constructs the object and assigns a specific scene to it
+     */
+    ScenePreprocessor(aiScene* _scene)
+        :   scene   (_scene)
+    {}
+
+    // ----------------------------------------------------------------
+    /** Assign a (new) scene to the object.
+     *
+     *  One 'SceneProcessor' can be used for multiple scenes.
+     *  Call ProcessScene to have the scene preprocessed.
+     *  @param sc Scene to be processed.
+     */
+    void SetScene (aiScene* sc) {
+        scene = sc;
+    }
+
+    // ----------------------------------------------------------------
+    /** Preprocess the current scene
+     */
+    void ProcessScene ();
+
+protected:
+
+    // ----------------------------------------------------------------
+    /** Preprocess an animation in the scene
+     *  @param anim Anim to be preprocessed.
+     */
+    void ProcessAnimation (aiAnimation* anim);
+
+
+    // ----------------------------------------------------------------
+    /** Preprocess a mesh in the scene
+     *  @param mesh Mesh to be preprocessed.
+     */
+    void ProcessMesh (aiMesh* mesh);
+
+protected:
+
+    //! Scene we're currently working on
+    aiScene* scene;
+};
+
+
+} // ! end namespace Assimp
+
+#endif // include guard
diff --git a/thirdparty/assimp/code/ScenePrivate.h b/thirdparty/assimp/code/ScenePrivate.h
new file mode 100644
index 0000000000..f336aafc9a
--- /dev/null
+++ b/thirdparty/assimp/code/ScenePrivate.h
@@ -0,0 +1,105 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Stuff to deal with aiScene::mPrivate
+ */
+#pragma once
+#ifndef AI_SCENEPRIVATE_H_INCLUDED
+#define AI_SCENEPRIVATE_H_INCLUDED
+
+#include <assimp/ai_assert.h>
+#include <assimp/scene.h>
+
+namespace Assimp {
+
+// Forward declarations
+class Importer;
+
+struct ScenePrivateData {
+    //  The struct constructor.
+    ScenePrivateData() AI_NO_EXCEPT;
+
+    // Importer that originally loaded the scene though the C-API
+    // If set, this object is owned by this private data instance.
+    Assimp::Importer* mOrigImporter;
+
+    // List of post-processing steps already applied to the scene.
+    unsigned int mPPStepsApplied;
+
+    // true if the scene is a copy made with aiCopyScene()
+    // or the corresponding C++ API. This means that user code
+    // may have made modifications to it, so mPPStepsApplied
+    // and mOrigImporter are no longer safe to rely on and only
+    // serve informative purposes.
+    bool mIsCopy;
+};
+
+inline
+ScenePrivateData::ScenePrivateData() AI_NO_EXCEPT
+: mOrigImporter( nullptr )
+, mPPStepsApplied( 0 )
+, mIsCopy( false ) {
+    // empty
+}
+
+// Access private data stored in the scene
+inline
+ScenePrivateData* ScenePriv(aiScene* in) {
+    ai_assert( nullptr != in );
+    if ( nullptr == in ) {
+        return nullptr;
+    }
+    return static_cast<ScenePrivateData*>(in->mPrivate);
+}
+
+inline
+const ScenePrivateData* ScenePriv(const aiScene* in) {
+    ai_assert( nullptr != in );
+    if ( nullptr == in ) {
+        return nullptr;
+    }
+    return static_cast<const ScenePrivateData*>(in->mPrivate);
+}
+
+} // Namespace Assimp
+
+#endif // AI_SCENEPRIVATE_H_INCLUDED
diff --git a/thirdparty/assimp/code/SkeletonMeshBuilder.cpp b/thirdparty/assimp/code/SkeletonMeshBuilder.cpp
new file mode 100644
index 0000000000..06cfe034e9
--- /dev/null
+++ b/thirdparty/assimp/code/SkeletonMeshBuilder.cpp
@@ -0,0 +1,270 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  SkeletonMeshBuilder.cpp
+ *  @brief Implementation of a little class to construct a dummy mesh for a skeleton
+ */
+
+#include <assimp/scene.h>
+#include <assimp/SkeletonMeshBuilder.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// The constructor processes the given scene and adds a mesh there.
+SkeletonMeshBuilder::SkeletonMeshBuilder( aiScene* pScene, aiNode* root, bool bKnobsOnly)
+{
+    // nothing to do if there's mesh data already present at the scene
+    if( pScene->mNumMeshes > 0 || pScene->mRootNode == NULL)
+        return;
+
+    if (!root)
+        root = pScene->mRootNode;
+
+    mKnobsOnly = bKnobsOnly;
+
+    // build some faces around each node
+    CreateGeometry( root );
+
+    // create a mesh to hold all the generated faces
+    pScene->mNumMeshes = 1;
+    pScene->mMeshes = new aiMesh*[1];
+    pScene->mMeshes[0] = CreateMesh();
+    // and install it at the root node
+    root->mNumMeshes = 1;
+    root->mMeshes = new unsigned int[1];
+    root->mMeshes[0] = 0;
+
+    // create a dummy material for the mesh
+    if(pScene->mNumMaterials==0){
+		pScene->mNumMaterials = 1;
+		pScene->mMaterials = new aiMaterial*[1];
+		pScene->mMaterials[0] = CreateMaterial();
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Recursively builds a simple mesh representation for the given node
+void SkeletonMeshBuilder::CreateGeometry( const aiNode* pNode)
+{
+    // add a joint entry for the node.
+    const unsigned int vertexStartIndex = static_cast<unsigned int>(mVertices.size());
+
+    // now build the geometry.
+    if( pNode->mNumChildren > 0 && !mKnobsOnly)
+    {
+        // If the node has children, we build little pointers to each of them
+        for( unsigned int a = 0; a < pNode->mNumChildren; a++)
+        {
+            // find a suitable coordinate system
+            const aiMatrix4x4& childTransform = pNode->mChildren[a]->mTransformation;
+            aiVector3D childpos( childTransform.a4, childTransform.b4, childTransform.c4);
+            ai_real distanceToChild = childpos.Length();
+            if( distanceToChild < 0.0001)
+                continue;
+            aiVector3D up = aiVector3D( childpos).Normalize();
+
+            aiVector3D orth( 1.0, 0.0, 0.0);
+            if( std::fabs( orth * up) > 0.99)
+                orth.Set( 0.0, 1.0, 0.0);
+
+            aiVector3D front = (up ^ orth).Normalize();
+            aiVector3D side = (front ^ up).Normalize();
+
+            unsigned int localVertexStart = static_cast<unsigned int>(mVertices.size());
+            mVertices.push_back( -front * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( childpos);
+            mVertices.push_back( -side * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( -side * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( childpos);
+            mVertices.push_back( front * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( front * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( childpos);
+            mVertices.push_back( side * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( side * distanceToChild * (ai_real)0.1);
+            mVertices.push_back( childpos);
+            mVertices.push_back( -front * distanceToChild * (ai_real)0.1);
+
+            mFaces.push_back( Face( localVertexStart + 0, localVertexStart + 1, localVertexStart + 2));
+            mFaces.push_back( Face( localVertexStart + 3, localVertexStart + 4, localVertexStart + 5));
+            mFaces.push_back( Face( localVertexStart + 6, localVertexStart + 7, localVertexStart + 8));
+            mFaces.push_back( Face( localVertexStart + 9, localVertexStart + 10, localVertexStart + 11));
+        }
+    }
+    else
+    {
+        // if the node has no children, it's an end node. Put a little knob there instead
+        aiVector3D ownpos( pNode->mTransformation.a4, pNode->mTransformation.b4, pNode->mTransformation.c4);
+        ai_real sizeEstimate = ownpos.Length() * ai_real( 0.18 );
+
+        mVertices.push_back( aiVector3D( -sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, -sizeEstimate));
+        mVertices.push_back( aiVector3D( 0.0, sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, -sizeEstimate));
+        mVertices.push_back( aiVector3D( sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, -sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, -sizeEstimate));
+        mVertices.push_back( aiVector3D( 0.0, -sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( -sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, -sizeEstimate));
+
+        mVertices.push_back( aiVector3D( -sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, sizeEstimate));
+        mVertices.push_back( aiVector3D( 0.0, sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, sizeEstimate));
+        mVertices.push_back( aiVector3D( sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( sizeEstimate, 0.0, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, sizeEstimate));
+        mVertices.push_back( aiVector3D( 0.0, -sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, -sizeEstimate, 0.0));
+        mVertices.push_back( aiVector3D( 0.0, 0.0, sizeEstimate));
+        mVertices.push_back( aiVector3D( -sizeEstimate, 0.0, 0.0));
+
+        mFaces.push_back( Face( vertexStartIndex + 0, vertexStartIndex + 1, vertexStartIndex + 2));
+        mFaces.push_back( Face( vertexStartIndex + 3, vertexStartIndex + 4, vertexStartIndex + 5));
+        mFaces.push_back( Face( vertexStartIndex + 6, vertexStartIndex + 7, vertexStartIndex + 8));
+        mFaces.push_back( Face( vertexStartIndex + 9, vertexStartIndex + 10, vertexStartIndex + 11));
+        mFaces.push_back( Face( vertexStartIndex + 12, vertexStartIndex + 13, vertexStartIndex + 14));
+        mFaces.push_back( Face( vertexStartIndex + 15, vertexStartIndex + 16, vertexStartIndex + 17));
+        mFaces.push_back( Face( vertexStartIndex + 18, vertexStartIndex + 19, vertexStartIndex + 20));
+        mFaces.push_back( Face( vertexStartIndex + 21, vertexStartIndex + 22, vertexStartIndex + 23));
+    }
+
+    unsigned int numVertices = static_cast<unsigned int>(mVertices.size() - vertexStartIndex);
+    if( numVertices > 0)
+    {
+        // create a bone affecting all the newly created vertices
+        aiBone* bone = new aiBone;
+        mBones.push_back( bone);
+        bone->mName = pNode->mName;
+
+        // calculate the bone offset matrix by concatenating the inverse transformations of all parents
+        bone->mOffsetMatrix = aiMatrix4x4( pNode->mTransformation).Inverse();
+        for( aiNode* parent = pNode->mParent; parent != NULL; parent = parent->mParent)
+            bone->mOffsetMatrix = aiMatrix4x4( parent->mTransformation).Inverse() * bone->mOffsetMatrix;
+
+        // add all the vertices to the bone's influences
+        bone->mNumWeights = numVertices;
+        bone->mWeights = new aiVertexWeight[numVertices];
+        for( unsigned int a = 0; a < numVertices; a++)
+            bone->mWeights[a] = aiVertexWeight( vertexStartIndex + a, 1.0);
+
+        // HACK: (thom) transform all vertices to the bone's local space. Should be done before adding
+        // them to the array, but I'm tired now and I'm annoyed.
+        aiMatrix4x4 boneToMeshTransform = aiMatrix4x4( bone->mOffsetMatrix).Inverse();
+        for( unsigned int a = vertexStartIndex; a < mVertices.size(); a++)
+            mVertices[a] = boneToMeshTransform * mVertices[a];
+    }
+
+    // and finally recurse into the children list
+    for( unsigned int a = 0; a < pNode->mNumChildren; a++)
+        CreateGeometry( pNode->mChildren[a]);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Creates the mesh from the internally accumulated stuff and returns it.
+aiMesh* SkeletonMeshBuilder::CreateMesh()
+{
+    aiMesh* mesh = new aiMesh();
+
+    // add points
+    mesh->mNumVertices = static_cast<unsigned int>(mVertices.size());
+    mesh->mVertices = new aiVector3D[mesh->mNumVertices];
+    std::copy( mVertices.begin(), mVertices.end(), mesh->mVertices);
+
+    mesh->mNormals = new aiVector3D[mesh->mNumVertices];
+
+    // add faces
+    mesh->mNumFaces = static_cast<unsigned int>(mFaces.size());
+    mesh->mFaces = new aiFace[mesh->mNumFaces];
+    for( unsigned int a = 0; a < mesh->mNumFaces; a++)
+    {
+        const Face& inface = mFaces[a];
+        aiFace& outface = mesh->mFaces[a];
+        outface.mNumIndices = 3;
+        outface.mIndices = new unsigned int[3];
+        outface.mIndices[0] = inface.mIndices[0];
+        outface.mIndices[1] = inface.mIndices[1];
+        outface.mIndices[2] = inface.mIndices[2];
+
+        // Compute per-face normals ... we don't want the bones to be smoothed ... they're built to visualize
+        // the skeleton, so it's good if there's a visual difference to the rest of the geometry
+        aiVector3D nor = ((mVertices[inface.mIndices[2]] - mVertices[inface.mIndices[0]]) ^
+            (mVertices[inface.mIndices[1]] - mVertices[inface.mIndices[0]]));
+
+        if (nor.Length() < 1e-5) /* ensure that FindInvalidData won't remove us ...*/
+            nor = aiVector3D(1.0,0.0,0.0);
+
+        for (unsigned int n = 0; n < 3; ++n)
+            mesh->mNormals[inface.mIndices[n]] = nor;
+    }
+
+    // add the bones
+    mesh->mNumBones = static_cast<unsigned int>(mBones.size());
+    mesh->mBones = new aiBone*[mesh->mNumBones];
+    std::copy( mBones.begin(), mBones.end(), mesh->mBones);
+
+    // default
+    mesh->mMaterialIndex = 0;
+
+    return mesh;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Creates a dummy material and returns it.
+aiMaterial* SkeletonMeshBuilder::CreateMaterial()
+{
+    aiMaterial* matHelper = new aiMaterial;
+
+    // Name
+    aiString matName( std::string( "SkeletonMaterial"));
+    matHelper->AddProperty( &matName, AI_MATKEY_NAME);
+
+    // Prevent backface culling
+    const int no_cull = 1;
+    matHelper->AddProperty(&no_cull,1,AI_MATKEY_TWOSIDED);
+
+    return matHelper;
+}
diff --git a/thirdparty/assimp/code/SortByPTypeProcess.cpp b/thirdparty/assimp/code/SortByPTypeProcess.cpp
new file mode 100644
index 0000000000..2e0cc54004
--- /dev/null
+++ b/thirdparty/assimp/code/SortByPTypeProcess.cpp
@@ -0,0 +1,403 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the DeterminePTypeHelperProcess and
+ *  SortByPTypeProcess post-process steps.
+*/
+
+
+
+// internal headers
+#include "ProcessHelper.h"
+#include "SortByPTypeProcess.h"
+#include <assimp/Exceptional.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+SortByPTypeProcess::SortByPTypeProcess()
+{
+    configRemoveMeshes = 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+SortByPTypeProcess::~SortByPTypeProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool SortByPTypeProcess::IsActive( unsigned int pFlags) const
+{
+    return  (pFlags & aiProcess_SortByPType) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+void SortByPTypeProcess::SetupProperties(const Importer* pImp)
+{
+    configRemoveMeshes = pImp->GetPropertyInteger(AI_CONFIG_PP_SBP_REMOVE,0);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Update changed meshes in all nodes
+void UpdateNodes(const std::vector<unsigned int>& replaceMeshIndex, aiNode* node)
+{
+    if (node->mNumMeshes)
+    {
+        unsigned int newSize = 0;
+        for (unsigned int m = 0; m< node->mNumMeshes; ++m)
+        {
+            unsigned int add = node->mMeshes[m]<<2;
+            for (unsigned int i = 0; i < 4;++i)
+            {
+                if (UINT_MAX != replaceMeshIndex[add+i])++newSize;
+            }
+        }
+        if (!newSize)
+        {
+            delete[] node->mMeshes;
+            node->mNumMeshes = 0;
+            node->mMeshes    = NULL;
+        }
+        else
+        {
+            // Try to reuse the old array if possible
+            unsigned int* newMeshes = (newSize > node->mNumMeshes
+                ? new unsigned int[newSize] : node->mMeshes);
+
+            for (unsigned int m = 0; m< node->mNumMeshes; ++m)
+            {
+                unsigned int add = node->mMeshes[m]<<2;
+                for (unsigned int i = 0; i < 4;++i)
+                {
+                    if (UINT_MAX != replaceMeshIndex[add+i])
+                        *newMeshes++ = replaceMeshIndex[add+i];
+                }
+            }
+            if (newSize > node->mNumMeshes)
+                delete[] node->mMeshes;
+
+            node->mMeshes = newMeshes-(node->mNumMeshes = newSize);
+        }
+    }
+
+    // call all subnodes recursively
+    for (unsigned int m = 0; m < node->mNumChildren; ++m)
+        UpdateNodes(replaceMeshIndex,node->mChildren[m]);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SortByPTypeProcess::Execute( aiScene* pScene) {
+    if ( 0 == pScene->mNumMeshes) {
+        ASSIMP_LOG_DEBUG("SortByPTypeProcess skipped, there are no meshes");
+        return;
+    }
+
+    ASSIMP_LOG_DEBUG("SortByPTypeProcess begin");
+
+    unsigned int aiNumMeshesPerPType[4] = {0,0,0,0};
+
+    std::vector<aiMesh*> outMeshes;
+    outMeshes.reserve(pScene->mNumMeshes<<1u);
+
+    bool bAnyChanges = false;
+
+    std::vector<unsigned int> replaceMeshIndex(pScene->mNumMeshes*4,UINT_MAX);
+    std::vector<unsigned int>::iterator meshIdx = replaceMeshIndex.begin();
+    for (unsigned int i = 0; i < pScene->mNumMeshes; ++i) {
+        aiMesh* const mesh = pScene->mMeshes[i];
+        ai_assert(0 != mesh->mPrimitiveTypes);
+
+        // if there's just one primitive type in the mesh there's nothing to do for us
+        unsigned int num = 0;
+        if (mesh->mPrimitiveTypes & aiPrimitiveType_POINT) {
+            ++aiNumMeshesPerPType[0];
+            ++num;
+        }
+        if (mesh->mPrimitiveTypes & aiPrimitiveType_LINE) {
+            ++aiNumMeshesPerPType[1];
+            ++num;
+        }
+        if (mesh->mPrimitiveTypes & aiPrimitiveType_TRIANGLE) {
+            ++aiNumMeshesPerPType[2];
+            ++num;
+        }
+        if (mesh->mPrimitiveTypes & aiPrimitiveType_POLYGON) {
+            ++aiNumMeshesPerPType[3];
+            ++num;
+        }
+
+        if (1 == num) {
+            if (!(configRemoveMeshes & mesh->mPrimitiveTypes)) {
+                *meshIdx = static_cast<unsigned int>( outMeshes.size() );
+                outMeshes.push_back(mesh);
+            } else {
+                delete mesh;
+                pScene->mMeshes[ i ] = nullptr;
+                bAnyChanges = true;
+            }
+
+            meshIdx += 4;
+            continue;
+        }
+        bAnyChanges = true;
+
+        // reuse our current mesh arrays for the submesh
+        // with the largest number of primitives
+        unsigned int aiNumPerPType[4] = {0,0,0,0};
+        aiFace* pFirstFace = mesh->mFaces;
+        aiFace* const pLastFace = pFirstFace + mesh->mNumFaces;
+
+        unsigned int numPolyVerts = 0;
+        for (;pFirstFace != pLastFace; ++pFirstFace) {
+            if (pFirstFace->mNumIndices <= 3)
+                ++aiNumPerPType[pFirstFace->mNumIndices-1];
+            else
+            {
+                ++aiNumPerPType[3];
+                numPolyVerts += pFirstFace-> mNumIndices;
+            }
+        }
+
+        VertexWeightTable* avw = ComputeVertexBoneWeightTable(mesh);
+        for (unsigned int real = 0; real < 4; ++real,++meshIdx)
+        {
+            if ( !aiNumPerPType[real] || configRemoveMeshes & (1u << real))
+            {
+                continue;
+            }
+
+            *meshIdx = (unsigned int) outMeshes.size();
+            outMeshes.push_back(new aiMesh());
+            aiMesh* out = outMeshes.back();
+
+            // the name carries the adjacency information between the meshes
+            out->mName = mesh->mName;
+
+            // copy data members
+            out->mPrimitiveTypes = 1u << real;
+            out->mMaterialIndex = mesh->mMaterialIndex;
+
+            // allocate output storage
+            out->mNumFaces = aiNumPerPType[real];
+            aiFace* outFaces = out->mFaces = new aiFace[out->mNumFaces];
+
+            out->mNumVertices = (3 == real ? numPolyVerts : out->mNumFaces * (real+1));
+
+            aiVector3D *vert(nullptr), *nor(nullptr), *tan(nullptr), *bit(nullptr);
+            aiVector3D *uv   [AI_MAX_NUMBER_OF_TEXTURECOORDS];
+            aiColor4D  *cols [AI_MAX_NUMBER_OF_COLOR_SETS];
+
+            if (mesh->mVertices) {
+                vert = out->mVertices = new aiVector3D[out->mNumVertices];
+            }
+
+            if (mesh->mNormals) {
+                nor = out->mNormals = new aiVector3D[out->mNumVertices];
+            }
+
+            if (mesh->mTangents) {
+                tan = out->mTangents   = new aiVector3D[out->mNumVertices];
+                bit = out->mBitangents = new aiVector3D[out->mNumVertices];
+            }
+
+            for (unsigned int j = 0; j < AI_MAX_NUMBER_OF_TEXTURECOORDS;++j) {
+                uv[j] = nullptr;
+                if (mesh->mTextureCoords[j]) {
+                    uv[j] = out->mTextureCoords[j] = new aiVector3D[out->mNumVertices];
+                }
+
+                out->mNumUVComponents[j] = mesh->mNumUVComponents[j];
+            }
+
+            for (unsigned int j = 0; j < AI_MAX_NUMBER_OF_COLOR_SETS;++j) {
+                cols[j] = nullptr;
+                if (mesh->mColors[j]) {
+                    cols[j] = out->mColors[j] = new aiColor4D[out->mNumVertices];
+                }
+            }
+
+            typedef std::vector< aiVertexWeight > TempBoneInfo;
+            std::vector< TempBoneInfo > tempBones(mesh->mNumBones);
+
+            // try to guess how much storage we'll need
+            for (unsigned int q = 0; q < mesh->mNumBones;++q)
+            {
+                tempBones[q].reserve(mesh->mBones[q]->mNumWeights / (num-1));
+            }
+
+            unsigned int outIdx = 0;
+            for (unsigned int m = 0; m < mesh->mNumFaces; ++m)
+            {
+                aiFace& in = mesh->mFaces[m];
+                if ((real == 3  && in.mNumIndices <= 3) || (real != 3 && in.mNumIndices != real+1))
+                {
+                    continue;
+                }
+
+                outFaces->mNumIndices = in.mNumIndices;
+                outFaces->mIndices    = in.mIndices;
+
+                for (unsigned int q = 0; q < in.mNumIndices; ++q)
+                {
+                    unsigned int idx = in.mIndices[q];
+
+                    // process all bones of this index
+                    if (avw)
+                    {
+                        VertexWeightTable& tbl = avw[idx];
+                        for (VertexWeightTable::const_iterator it = tbl.begin(), end = tbl.end();
+                             it != end; ++it)
+                        {
+                            tempBones[ (*it).first ].push_back( aiVertexWeight(outIdx, (*it).second) );
+                        }
+                    }
+
+                    if (vert)
+                    {
+                        *vert++ = mesh->mVertices[idx];
+                        //mesh->mVertices[idx].x = get_qnan();
+                    }
+                    if (nor )*nor++  = mesh->mNormals[idx];
+                    if (tan )
+                    {
+                        *tan++  = mesh->mTangents[idx];
+                        *bit++  = mesh->mBitangents[idx];
+                    }
+
+                    for (unsigned int pp = 0; pp < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++pp)
+                    {
+                        if (!uv[pp])break;
+                        *uv[pp]++ = mesh->mTextureCoords[pp][idx];
+                    }
+
+                    for (unsigned int pp = 0; pp < AI_MAX_NUMBER_OF_COLOR_SETS; ++pp)
+                    {
+                        if (!cols[pp])break;
+                        *cols[pp]++ = mesh->mColors[pp][idx];
+                    }
+
+                    in.mIndices[q] = outIdx++;
+                }
+
+                in.mIndices = nullptr;
+                ++outFaces;
+            }
+            ai_assert(outFaces == out->mFaces + out->mNumFaces);
+
+            // now generate output bones
+            for (unsigned int q = 0; q < mesh->mNumBones;++q)
+                if (!tempBones[q].empty())++out->mNumBones;
+
+            if (out->mNumBones)
+            {
+                out->mBones = new aiBone*[out->mNumBones];
+                for (unsigned int q = 0, real = 0; q < mesh->mNumBones;++q)
+                {
+                    TempBoneInfo& in = tempBones[q];
+                    if (in.empty())continue;
+
+                    aiBone* srcBone = mesh->mBones[q];
+                    aiBone* bone = out->mBones[real] = new aiBone();
+
+                    bone->mName = srcBone->mName;
+                    bone->mOffsetMatrix = srcBone->mOffsetMatrix;
+
+                    bone->mNumWeights = (unsigned int)in.size();
+                    bone->mWeights = new aiVertexWeight[bone->mNumWeights];
+
+                    ::memcpy(bone->mWeights,&in[0],bone->mNumWeights*sizeof(aiVertexWeight));
+
+                    ++real;
+                }
+            }
+        }
+
+        // delete the per-vertex bone weights table
+        delete[] avw;
+
+        // delete the input mesh
+        delete mesh;
+
+        // avoid invalid pointer
+        pScene->mMeshes[i] = NULL;
+    }
+
+    if (outMeshes.empty())
+    {
+        // This should not occur
+        throw DeadlyImportError("No meshes remaining");
+    }
+
+    // If we added at least one mesh process all nodes in the node
+    // graph and update their respective mesh indices.
+    if (bAnyChanges)
+    {
+        UpdateNodes(replaceMeshIndex,pScene->mRootNode);
+    }
+
+    if (outMeshes.size() != pScene->mNumMeshes)
+    {
+        delete[] pScene->mMeshes;
+        pScene->mNumMeshes = (unsigned int)outMeshes.size();
+        pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
+    }
+    ::memcpy(pScene->mMeshes,&outMeshes[0],pScene->mNumMeshes*sizeof(void*));
+
+    if (!DefaultLogger::isNullLogger())
+    {
+        char buffer[1024];
+        ::ai_snprintf(buffer,1024,"Points: %u%s, Lines: %u%s, Triangles: %u%s, Polygons: %u%s (Meshes, X = removed)",
+            aiNumMeshesPerPType[0], ((configRemoveMeshes & aiPrimitiveType_POINT)     ? "X" : ""),
+            aiNumMeshesPerPType[1], ((configRemoveMeshes & aiPrimitiveType_LINE)      ? "X" : ""),
+            aiNumMeshesPerPType[2], ((configRemoveMeshes & aiPrimitiveType_TRIANGLE)  ? "X" : ""),
+            aiNumMeshesPerPType[3], ((configRemoveMeshes & aiPrimitiveType_POLYGON)   ? "X" : ""));
+        ASSIMP_LOG_INFO(buffer);
+        ASSIMP_LOG_DEBUG("SortByPTypeProcess finished");
+    }
+}
+
diff --git a/thirdparty/assimp/code/SortByPTypeProcess.h b/thirdparty/assimp/code/SortByPTypeProcess.h
new file mode 100644
index 0000000000..c9d9924d8f
--- /dev/null
+++ b/thirdparty/assimp/code/SortByPTypeProcess.h
@@ -0,0 +1,85 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to sort meshes by the types
+    of primitives they contain */
+#ifndef AI_SORTBYPTYPEPROCESS_H_INC
+#define AI_SORTBYPTYPEPROCESS_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/mesh.h>
+
+class SortByPTypeProcessTest;
+namespace Assimp    {
+
+
+// ---------------------------------------------------------------------------
+/** SortByPTypeProcess: Sorts meshes by the types of primitives they contain.
+ *  A mesh with 5 lines, 3 points and 145 triangles would be split in 3
+ * submeshes.
+*/
+class ASSIMP_API SortByPTypeProcess : public BaseProcess
+{
+public:
+
+    SortByPTypeProcess();
+    ~SortByPTypeProcess();
+
+public:
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    void SetupProperties(const Importer* pImp);
+
+private:
+
+    int configRemoveMeshes;
+};
+
+
+} // end of namespace Assimp
+
+#endif // !!AI_SORTBYPTYPEPROCESS_H_INC
diff --git a/thirdparty/assimp/code/SpatialSort.cpp b/thirdparty/assimp/code/SpatialSort.cpp
new file mode 100644
index 0000000000..a4f3a4e4b8
--- /dev/null
+++ b/thirdparty/assimp/code/SpatialSort.cpp
@@ -0,0 +1,342 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the helper class to quickly find vertices close to a given position */
+
+#include <assimp/SpatialSort.h>
+#include <assimp/ai_assert.h>
+
+using namespace Assimp;
+
+// CHAR_BIT seems to be defined under MVSC, but not under GCC. Pray that the correct value is 8.
+#ifndef CHAR_BIT
+#   define CHAR_BIT 8
+#endif
+
+// ------------------------------------------------------------------------------------------------
+// Constructs a spatially sorted representation from the given position array.
+SpatialSort::SpatialSort( const aiVector3D* pPositions, unsigned int pNumPositions,
+    unsigned int pElementOffset)
+
+    // define the reference plane. We choose some arbitrary vector away from all basic axises
+    // in the hope that no model spreads all its vertices along this plane.
+    : mPlaneNormal(0.8523f, 0.34321f, 0.5736f)
+{
+    mPlaneNormal.Normalize();
+    Fill(pPositions,pNumPositions,pElementOffset);
+}
+
+// ------------------------------------------------------------------------------------------------
+SpatialSort :: SpatialSort()
+: mPlaneNormal(0.8523f, 0.34321f, 0.5736f)
+{
+    mPlaneNormal.Normalize();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor
+SpatialSort::~SpatialSort()
+{
+    // nothing to do here, everything destructs automatically
+}
+
+// ------------------------------------------------------------------------------------------------
+void SpatialSort::Fill( const aiVector3D* pPositions, unsigned int pNumPositions,
+    unsigned int pElementOffset,
+    bool pFinalize /*= true */)
+{
+    mPositions.clear();
+    Append(pPositions,pNumPositions,pElementOffset,pFinalize);
+}
+
+// ------------------------------------------------------------------------------------------------
+void SpatialSort :: Finalize()
+{
+    std::sort( mPositions.begin(), mPositions.end());
+}
+
+// ------------------------------------------------------------------------------------------------
+void SpatialSort::Append( const aiVector3D* pPositions, unsigned int pNumPositions,
+    unsigned int pElementOffset,
+    bool pFinalize /*= true */)
+{
+    // store references to all given positions along with their distance to the reference plane
+    const size_t initial = mPositions.size();
+    mPositions.reserve(initial + (pFinalize?pNumPositions:pNumPositions*2));
+    for( unsigned int a = 0; a < pNumPositions; a++)
+    {
+        const char* tempPointer = reinterpret_cast<const char*> (pPositions);
+        const aiVector3D* vec   = reinterpret_cast<const aiVector3D*> (tempPointer + a * pElementOffset);
+
+        // store position by index and distance
+        ai_real distance = *vec * mPlaneNormal;
+        mPositions.push_back( Entry( static_cast<unsigned int>(a+initial), *vec, distance));
+    }
+
+    if (pFinalize) {
+        // now sort the array ascending by distance.
+        Finalize();
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns an iterator for all positions close to the given position.
+void SpatialSort::FindPositions( const aiVector3D& pPosition,
+    ai_real pRadius, std::vector<unsigned int>& poResults) const
+{
+    const ai_real dist = pPosition * mPlaneNormal;
+    const ai_real minDist = dist - pRadius, maxDist = dist + pRadius;
+
+    // clear the array
+    poResults.clear();
+
+    // quick check for positions outside the range
+    if( mPositions.size() == 0)
+        return;
+    if( maxDist < mPositions.front().mDistance)
+        return;
+    if( minDist > mPositions.back().mDistance)
+        return;
+
+    // do a binary search for the minimal distance to start the iteration there
+    unsigned int index = (unsigned int)mPositions.size() / 2;
+    unsigned int binaryStepSize = (unsigned int)mPositions.size() / 4;
+    while( binaryStepSize > 1)
+    {
+        if( mPositions[index].mDistance < minDist)
+            index += binaryStepSize;
+        else
+            index -= binaryStepSize;
+
+        binaryStepSize /= 2;
+    }
+
+    // depending on the direction of the last step we need to single step a bit back or forth
+    // to find the actual beginning element of the range
+    while( index > 0 && mPositions[index].mDistance > minDist)
+        index--;
+    while( index < (mPositions.size() - 1) && mPositions[index].mDistance < minDist)
+        index++;
+
+    // Mow start iterating from there until the first position lays outside of the distance range.
+    // Add all positions inside the distance range within the given radius to the result aray
+    std::vector<Entry>::const_iterator it = mPositions.begin() + index;
+    const ai_real pSquared = pRadius*pRadius;
+    while( it->mDistance < maxDist)
+    {
+        if( (it->mPosition - pPosition).SquareLength() < pSquared)
+            poResults.push_back( it->mIndex);
+        ++it;
+        if( it == mPositions.end())
+            break;
+    }
+
+    // that's it
+}
+
+namespace {
+
+    // Binary, signed-integer representation of a single-precision floating-point value.
+    // IEEE 754 says: "If two floating-point numbers in the same format are ordered then they are
+    //  ordered the same way when their bits are reinterpreted as sign-magnitude integers."
+    // This allows us to convert all floating-point numbers to signed integers of arbitrary size
+    //  and then use them to work with ULPs (Units in the Last Place, for high-precision
+    //  computations) or to compare them (integer comparisons are faster than floating-point
+    //  comparisons on many platforms).
+    typedef ai_int BinFloat;
+
+    // --------------------------------------------------------------------------------------------
+    // Converts the bit pattern of a floating-point number to its signed integer representation.
+    BinFloat ToBinary( const ai_real & pValue) {
+
+        // If this assertion fails, signed int is not big enough to store a float on your platform.
+        //  Please correct the declaration of BinFloat a few lines above - but do it in a portable,
+        //  #ifdef'd manner!
+        static_assert( sizeof(BinFloat) >= sizeof(ai_real), "sizeof(BinFloat) >= sizeof(ai_real)");
+
+        #if defined( _MSC_VER)
+            // If this assertion fails, Visual C++ has finally moved to ILP64. This means that this
+            //  code has just become legacy code! Find out the current value of _MSC_VER and modify
+            //  the #if above so it evaluates false on the current and all upcoming VC versions (or
+            //  on the current platform, if LP64 or LLP64 are still used on other platforms).
+            static_assert( sizeof(BinFloat) == sizeof(ai_real), "sizeof(BinFloat) == sizeof(ai_real)");
+
+            // This works best on Visual C++, but other compilers have their problems with it.
+            const BinFloat binValue = reinterpret_cast<BinFloat const &>(pValue);
+        #else
+            // On many compilers, reinterpreting a float address as an integer causes aliasing
+            // problems. This is an ugly but more or less safe way of doing it.
+            union {
+                ai_real     asFloat;
+                BinFloat    asBin;
+            } conversion;
+            conversion.asBin    = 0; // zero empty space in case sizeof(BinFloat) > sizeof(float)
+            conversion.asFloat  = pValue;
+            const BinFloat binValue = conversion.asBin;
+        #endif
+
+        // floating-point numbers are of sign-magnitude format, so find out what signed number
+        //  representation we must convert negative values to.
+        // See http://en.wikipedia.org/wiki/Signed_number_representations.
+
+        // Two's complement?
+        if( (-42 == (~42 + 1)) && (binValue & 0x80000000))
+            return BinFloat(1 << (CHAR_BIT * sizeof(BinFloat) - 1)) - binValue;
+        // One's complement?
+        else if ( (-42 == ~42) && (binValue & 0x80000000))
+            return BinFloat(-0) - binValue;
+        // Sign-magnitude?
+        else if( (-42 == (42 | (-0))) && (binValue & 0x80000000)) // -0 = 1000... binary
+            return binValue;
+        else
+            return binValue;
+    }
+
+} // namespace
+
+// ------------------------------------------------------------------------------------------------
+// Fills an array with indices of all positions identical to the given position. In opposite to
+// FindPositions(), not an epsilon is used but a (very low) tolerance of four floating-point units.
+void SpatialSort::FindIdenticalPositions( const aiVector3D& pPosition,
+    std::vector<unsigned int>& poResults) const
+{
+    // Epsilons have a huge disadvantage: they are of constant precision, while floating-point
+    //  values are of log2 precision. If you apply e=0.01 to 100, the epsilon is rather small, but
+    //  if you apply it to 0.001, it is enormous.
+
+    // The best way to overcome this is the unit in the last place (ULP). A precision of 2 ULPs
+    //  tells us that a float does not differ more than 2 bits from the "real" value. ULPs are of
+    //  logarithmic precision - around 1, they are 1*(2^24) and around 10000, they are 0.00125.
+
+    // For standard C math, we can assume a precision of 0.5 ULPs according to IEEE 754. The
+    //  incoming vertex positions might have already been transformed, probably using rather
+    //  inaccurate SSE instructions, so we assume a tolerance of 4 ULPs to safely identify
+    //  identical vertex positions.
+    static const int toleranceInULPs = 4;
+    // An interesting point is that the inaccuracy grows linear with the number of operations:
+    //  multiplying to numbers, each inaccurate to four ULPs, results in an inaccuracy of four ULPs
+    //  plus 0.5 ULPs for the multiplication.
+    // To compute the distance to the plane, a dot product is needed - that is a multiplication and
+    //  an addition on each number.
+    static const int distanceToleranceInULPs = toleranceInULPs + 1;
+    // The squared distance between two 3D vectors is computed the same way, but with an additional
+    //  subtraction.
+    static const int distance3DToleranceInULPs = distanceToleranceInULPs + 1;
+
+    // Convert the plane distance to its signed integer representation so the ULPs tolerance can be
+    //  applied. For some reason, VC won't optimize two calls of the bit pattern conversion.
+    const BinFloat minDistBinary = ToBinary( pPosition * mPlaneNormal) - distanceToleranceInULPs;
+    const BinFloat maxDistBinary = minDistBinary + 2 * distanceToleranceInULPs;
+
+    // clear the array in this strange fashion because a simple clear() would also deallocate
+    // the array which we want to avoid
+    poResults.resize( 0 );
+
+    // do a binary search for the minimal distance to start the iteration there
+    unsigned int index = (unsigned int)mPositions.size() / 2;
+    unsigned int binaryStepSize = (unsigned int)mPositions.size() / 4;
+    while( binaryStepSize > 1)
+    {
+        // Ugly, but conditional jumps are faster with integers than with floats
+        if( minDistBinary > ToBinary(mPositions[index].mDistance))
+            index += binaryStepSize;
+        else
+            index -= binaryStepSize;
+
+        binaryStepSize /= 2;
+    }
+
+    // depending on the direction of the last step we need to single step a bit back or forth
+    // to find the actual beginning element of the range
+    while( index > 0 && minDistBinary < ToBinary(mPositions[index].mDistance) )
+        index--;
+    while( index < (mPositions.size() - 1) && minDistBinary > ToBinary(mPositions[index].mDistance))
+        index++;
+
+    // Now start iterating from there until the first position lays outside of the distance range.
+    // Add all positions inside the distance range within the tolerance to the result array
+    std::vector<Entry>::const_iterator it = mPositions.begin() + index;
+    while( ToBinary(it->mDistance) < maxDistBinary)
+    {
+        if( distance3DToleranceInULPs >= ToBinary((it->mPosition - pPosition).SquareLength()))
+            poResults.push_back(it->mIndex);
+        ++it;
+        if( it == mPositions.end())
+            break;
+    }
+
+    // that's it
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int SpatialSort::GenerateMappingTable(std::vector<unsigned int>& fill, ai_real pRadius) const
+{
+    fill.resize(mPositions.size(),UINT_MAX);
+    ai_real dist, maxDist;
+
+    unsigned int t=0;
+    const ai_real pSquared = pRadius*pRadius;
+    for (size_t i = 0; i < mPositions.size();) {
+        dist = mPositions[i].mPosition * mPlaneNormal;
+        maxDist = dist + pRadius;
+
+        fill[mPositions[i].mIndex] = t;
+        const aiVector3D& oldpos = mPositions[i].mPosition;
+        for (++i; i < fill.size() && mPositions[i].mDistance < maxDist
+            && (mPositions[i].mPosition - oldpos).SquareLength() < pSquared; ++i)
+        {
+            fill[mPositions[i].mIndex] = t;
+        }
+        ++t;
+    }
+
+#ifdef ASSIMP_BUILD_DEBUG
+
+    // debug invariant: mPositions[i].mIndex values must range from 0 to mPositions.size()-1
+    for (size_t i = 0; i < fill.size(); ++i) {
+        ai_assert(fill[i]<mPositions.size());
+    }
+
+#endif
+    return t;
+}
diff --git a/thirdparty/assimp/code/SplitByBoneCountProcess.cpp b/thirdparty/assimp/code/SplitByBoneCountProcess.cpp
new file mode 100644
index 0000000000..2ef66a9afc
--- /dev/null
+++ b/thirdparty/assimp/code/SplitByBoneCountProcess.cpp
@@ -0,0 +1,407 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+
+/// @file SplitByBoneCountProcess.cpp
+/// Implementation of the SplitByBoneCount postprocessing step
+
+// internal headers of the post-processing framework
+#include "SplitByBoneCountProcess.h"
+#include <assimp/postprocess.h>
+#include <assimp/DefaultLogger.hpp>
+
+#include <limits>
+#include <assimp/TinyFormatter.h>
+
+using namespace Assimp;
+using namespace Assimp::Formatter;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor
+SplitByBoneCountProcess::SplitByBoneCountProcess()
+{
+    // set default, might be overridden by importer config
+    mMaxBoneCount = AI_SBBC_DEFAULT_MAX_BONES;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor
+SplitByBoneCountProcess::~SplitByBoneCountProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag.
+bool SplitByBoneCountProcess::IsActive( unsigned int pFlags) const
+{
+    return !!(pFlags & aiProcess_SplitByBoneCount);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Updates internal properties
+void SplitByBoneCountProcess::SetupProperties(const Importer* pImp)
+{
+    mMaxBoneCount = pImp->GetPropertyInteger(AI_CONFIG_PP_SBBC_MAX_BONES,AI_SBBC_DEFAULT_MAX_BONES);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SplitByBoneCountProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("SplitByBoneCountProcess begin");
+
+    // early out
+    bool isNecessary = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a)
+        if( pScene->mMeshes[a]->mNumBones > mMaxBoneCount )
+            isNecessary = true;
+
+    if( !isNecessary )
+    {
+        ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess early-out: no meshes with more than " << mMaxBoneCount << " bones." );
+        return;
+    }
+
+    // we need to do something. Let's go.
+    mSubMeshIndices.clear();
+    mSubMeshIndices.resize( pScene->mNumMeshes);
+
+    // build a new array of meshes for the scene
+    std::vector<aiMesh*> meshes;
+
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a)
+    {
+        aiMesh* srcMesh = pScene->mMeshes[a];
+
+        std::vector<aiMesh*> newMeshes;
+        SplitMesh( pScene->mMeshes[a], newMeshes);
+
+        // mesh was split
+        if( !newMeshes.empty() )
+        {
+            // store new meshes and indices of the new meshes
+            for( unsigned int b = 0; b < newMeshes.size(); ++b)
+            {
+                mSubMeshIndices[a].push_back( static_cast<unsigned int>(meshes.size()));
+                meshes.push_back( newMeshes[b]);
+            }
+
+            // and destroy the source mesh. It should be completely contained inside the new submeshes
+            delete srcMesh;
+        }
+        else
+        {
+            // Mesh is kept unchanged - store it's new place in the mesh array
+            mSubMeshIndices[a].push_back( static_cast<unsigned int>(meshes.size()));
+            meshes.push_back( srcMesh);
+        }
+    }
+
+    // rebuild the scene's mesh array
+    pScene->mNumMeshes = static_cast<unsigned int>(meshes.size());
+    delete [] pScene->mMeshes;
+    pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
+    std::copy( meshes.begin(), meshes.end(), pScene->mMeshes);
+
+    // recurse through all nodes and translate the node's mesh indices to fit the new mesh array
+    UpdateNode( pScene->mRootNode);
+
+    ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess end: split " << mSubMeshIndices.size() << " meshes into " << meshes.size() << " submeshes." );
+}
+
+// ------------------------------------------------------------------------------------------------
+// Splits the given mesh by bone count.
+void SplitByBoneCountProcess::SplitMesh( const aiMesh* pMesh, std::vector<aiMesh*>& poNewMeshes) const
+{
+    // skip if not necessary
+    if( pMesh->mNumBones <= mMaxBoneCount )
+        return;
+
+    // necessary optimisation: build a list of all affecting bones for each vertex
+    // TODO: (thom) maybe add a custom allocator here to avoid allocating tens of thousands of small arrays
+    typedef std::pair<unsigned int, float> BoneWeight;
+    std::vector< std::vector<BoneWeight> > vertexBones( pMesh->mNumVertices);
+    for( unsigned int a = 0; a < pMesh->mNumBones; ++a)
+    {
+        const aiBone* bone = pMesh->mBones[a];
+        for( unsigned int b = 0; b < bone->mNumWeights; ++b)
+            vertexBones[ bone->mWeights[b].mVertexId ].push_back( BoneWeight( a, bone->mWeights[b].mWeight));
+    }
+
+    unsigned int numFacesHandled = 0;
+    std::vector<bool> isFaceHandled( pMesh->mNumFaces, false);
+    while( numFacesHandled < pMesh->mNumFaces )
+    {
+        // which bones are used in the current submesh
+        unsigned int numBones = 0;
+        std::vector<bool> isBoneUsed( pMesh->mNumBones, false);
+        // indices of the faces which are going to go into this submesh
+        std::vector<unsigned int> subMeshFaces;
+        subMeshFaces.reserve( pMesh->mNumFaces);
+        // accumulated vertex count of all the faces in this submesh
+        unsigned int numSubMeshVertices = 0;
+        // a small local array of new bones for the current face. State of all used bones for that face
+        // can only be updated AFTER the face is completely analysed. Thanks to imre for the fix.
+        std::vector<unsigned int> newBonesAtCurrentFace;
+
+        // add faces to the new submesh as long as all bones affecting the faces' vertices fit in the limit
+        for( unsigned int a = 0; a < pMesh->mNumFaces; ++a)
+        {
+            // skip if the face is already stored in a submesh
+            if( isFaceHandled[a] )
+                continue;
+
+            const aiFace& face = pMesh->mFaces[a];
+            // check every vertex if its bones would still fit into the current submesh
+            for( unsigned int b = 0; b < face.mNumIndices; ++b )
+            {
+                const std::vector<BoneWeight>& vb = vertexBones[face.mIndices[b]];
+                for( unsigned int c = 0; c < vb.size(); ++c)
+                {
+                    unsigned int boneIndex = vb[c].first;
+                    // if the bone is already used in this submesh, it's ok
+                    if( isBoneUsed[boneIndex] )
+                        continue;
+
+                    // if it's not used, yet, we would need to add it. Store its bone index
+                    if( std::find( newBonesAtCurrentFace.begin(), newBonesAtCurrentFace.end(), boneIndex) == newBonesAtCurrentFace.end() )
+                        newBonesAtCurrentFace.push_back( boneIndex);
+                }
+            }
+
+            // leave out the face if the new bones required for this face don't fit the bone count limit anymore
+            if( numBones + newBonesAtCurrentFace.size() > mMaxBoneCount )
+                continue;
+
+            // mark all new bones as necessary
+            while( !newBonesAtCurrentFace.empty() )
+            {
+                unsigned int newIndex = newBonesAtCurrentFace.back();
+                newBonesAtCurrentFace.pop_back(); // this also avoids the deallocation which comes with a clear()
+                if( isBoneUsed[newIndex] )
+                    continue;
+
+                isBoneUsed[newIndex] = true;
+                numBones++;
+            }
+
+            // store the face index and the vertex count
+            subMeshFaces.push_back( a);
+            numSubMeshVertices += face.mNumIndices;
+
+            // remember that this face is handled
+            isFaceHandled[a] = true;
+            numFacesHandled++;
+        }
+
+        // create a new mesh to hold this subset of the source mesh
+        aiMesh* newMesh = new aiMesh;
+        if( pMesh->mName.length > 0 )
+            newMesh->mName.Set( format() << pMesh->mName.data << "_sub" << poNewMeshes.size());
+        newMesh->mMaterialIndex = pMesh->mMaterialIndex;
+        newMesh->mPrimitiveTypes = pMesh->mPrimitiveTypes;
+        poNewMeshes.push_back( newMesh);
+
+        // create all the arrays for this mesh if the old mesh contained them
+        newMesh->mNumVertices = numSubMeshVertices;
+        newMesh->mNumFaces = static_cast<unsigned int>(subMeshFaces.size());
+        newMesh->mVertices = new aiVector3D[newMesh->mNumVertices];
+        if( pMesh->HasNormals() )
+            newMesh->mNormals = new aiVector3D[newMesh->mNumVertices];
+        if( pMesh->HasTangentsAndBitangents() )
+        {
+            newMesh->mTangents = new aiVector3D[newMesh->mNumVertices];
+            newMesh->mBitangents = new aiVector3D[newMesh->mNumVertices];
+        }
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a )
+        {
+            if( pMesh->HasTextureCoords( a) )
+                newMesh->mTextureCoords[a] = new aiVector3D[newMesh->mNumVertices];
+            newMesh->mNumUVComponents[a] = pMesh->mNumUVComponents[a];
+        }
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; ++a )
+        {
+            if( pMesh->HasVertexColors( a) )
+                newMesh->mColors[a] = new aiColor4D[newMesh->mNumVertices];
+        }
+
+        // and copy over the data, generating faces with linear indices along the way
+        newMesh->mFaces = new aiFace[subMeshFaces.size()];
+        unsigned int nvi = 0; // next vertex index
+        std::vector<unsigned int> previousVertexIndices( numSubMeshVertices, std::numeric_limits<unsigned int>::max()); // per new vertex: its index in the source mesh
+        for( unsigned int a = 0; a < subMeshFaces.size(); ++a )
+        {
+            const aiFace& srcFace = pMesh->mFaces[subMeshFaces[a]];
+            aiFace& dstFace = newMesh->mFaces[a];
+            dstFace.mNumIndices = srcFace.mNumIndices;
+            dstFace.mIndices = new unsigned int[dstFace.mNumIndices];
+
+            // accumulate linearly all the vertices of the source face
+            for( unsigned int b = 0; b < dstFace.mNumIndices; ++b )
+            {
+                unsigned int srcIndex = srcFace.mIndices[b];
+                dstFace.mIndices[b] = nvi;
+                previousVertexIndices[nvi] = srcIndex;
+
+                newMesh->mVertices[nvi] = pMesh->mVertices[srcIndex];
+                if( pMesh->HasNormals() )
+                    newMesh->mNormals[nvi] = pMesh->mNormals[srcIndex];
+                if( pMesh->HasTangentsAndBitangents() )
+                {
+                    newMesh->mTangents[nvi] = pMesh->mTangents[srcIndex];
+                    newMesh->mBitangents[nvi] = pMesh->mBitangents[srcIndex];
+                }
+                for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++c )
+                {
+                    if( pMesh->HasTextureCoords( c) )
+                        newMesh->mTextureCoords[c][nvi] = pMesh->mTextureCoords[c][srcIndex];
+                }
+                for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS; ++c )
+                {
+                    if( pMesh->HasVertexColors( c) )
+                        newMesh->mColors[c][nvi] = pMesh->mColors[c][srcIndex];
+                }
+
+                nvi++;
+            }
+        }
+
+        ai_assert( nvi == numSubMeshVertices );
+
+        // Create the bones for the new submesh: first create the bone array
+        newMesh->mNumBones = 0;
+        newMesh->mBones = new aiBone*[numBones];
+
+        std::vector<unsigned int> mappedBoneIndex( pMesh->mNumBones, std::numeric_limits<unsigned int>::max());
+        for( unsigned int a = 0; a < pMesh->mNumBones; ++a )
+        {
+            if( !isBoneUsed[a] )
+                continue;
+
+            // create the new bone
+            const aiBone* srcBone = pMesh->mBones[a];
+            aiBone* dstBone = new aiBone;
+            mappedBoneIndex[a] = newMesh->mNumBones;
+            newMesh->mBones[newMesh->mNumBones++] = dstBone;
+            dstBone->mName = srcBone->mName;
+            dstBone->mOffsetMatrix = srcBone->mOffsetMatrix;
+            dstBone->mNumWeights = 0;
+        }
+
+        ai_assert( newMesh->mNumBones == numBones );
+
+        // iterate over all new vertices and count which bones affected its old vertex in the source mesh
+        for( unsigned int a = 0; a < numSubMeshVertices; ++a )
+        {
+            unsigned int oldIndex = previousVertexIndices[a];
+            const std::vector<BoneWeight>& bonesOnThisVertex = vertexBones[oldIndex];
+
+            for( unsigned int b = 0; b < bonesOnThisVertex.size(); ++b )
+            {
+                unsigned int newBoneIndex = mappedBoneIndex[ bonesOnThisVertex[b].first ];
+                if( newBoneIndex != std::numeric_limits<unsigned int>::max() )
+                    newMesh->mBones[newBoneIndex]->mNumWeights++;
+            }
+        }
+
+        // allocate all bone weight arrays accordingly
+        for( unsigned int a = 0; a < newMesh->mNumBones; ++a )
+        {
+            aiBone* bone = newMesh->mBones[a];
+            ai_assert( bone->mNumWeights > 0 );
+            bone->mWeights = new aiVertexWeight[bone->mNumWeights];
+            bone->mNumWeights = 0; // for counting up in the next step
+        }
+
+        // now copy all the bone vertex weights for all the vertices which made it into the new submesh
+        for( unsigned int a = 0; a < numSubMeshVertices; ++a)
+        {
+            // find the source vertex for it in the source mesh
+            unsigned int previousIndex = previousVertexIndices[a];
+            // these bones were affecting it
+            const std::vector<BoneWeight>& bonesOnThisVertex = vertexBones[previousIndex];
+            // all of the bones affecting it should be present in the new submesh, or else
+            // the face it comprises shouldn't be present
+            for( unsigned int b = 0; b < bonesOnThisVertex.size(); ++b)
+            {
+                unsigned int newBoneIndex = mappedBoneIndex[ bonesOnThisVertex[b].first ];
+                ai_assert( newBoneIndex != std::numeric_limits<unsigned int>::max() );
+                aiVertexWeight* dstWeight = newMesh->mBones[newBoneIndex]->mWeights + newMesh->mBones[newBoneIndex]->mNumWeights;
+                newMesh->mBones[newBoneIndex]->mNumWeights++;
+
+                dstWeight->mVertexId = a;
+                dstWeight->mWeight = bonesOnThisVertex[b].second;
+            }
+        }
+
+        // I have the strange feeling that this will break apart at some point in time...
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Recursively updates the node's mesh list to account for the changed mesh list
+void SplitByBoneCountProcess::UpdateNode( aiNode* pNode) const
+{
+    // rebuild the node's mesh index list
+    if( pNode->mNumMeshes > 0 )
+    {
+        std::vector<unsigned int> newMeshList;
+        for( unsigned int a = 0; a < pNode->mNumMeshes; ++a)
+        {
+            unsigned int srcIndex = pNode->mMeshes[a];
+            const std::vector<unsigned int>& replaceMeshes = mSubMeshIndices[srcIndex];
+            newMeshList.insert( newMeshList.end(), replaceMeshes.begin(), replaceMeshes.end());
+        }
+
+        delete [] pNode->mMeshes;
+        pNode->mNumMeshes = static_cast<unsigned int>(newMeshList.size());
+        pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
+        std::copy( newMeshList.begin(), newMeshList.end(), pNode->mMeshes);
+    }
+
+    // do that also recursively for all children
+    for( unsigned int a = 0; a < pNode->mNumChildren; ++a )
+    {
+        UpdateNode( pNode->mChildren[a]);
+    }
+}
diff --git a/thirdparty/assimp/code/SplitByBoneCountProcess.h b/thirdparty/assimp/code/SplitByBoneCountProcess.h
new file mode 100644
index 0000000000..6c904a9df4
--- /dev/null
+++ b/thirdparty/assimp/code/SplitByBoneCountProcess.h
@@ -0,0 +1,111 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/// @file SplitByBoneCountProcess.h
+/// Defines a post processing step to split meshes with many bones into submeshes
+#ifndef AI_SPLITBYBONECOUNTPROCESS_H_INC
+#define AI_SPLITBYBONECOUNTPROCESS_H_INC
+
+#include <vector>
+#include "BaseProcess.h"
+
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+
+namespace Assimp
+{
+
+
+/** Postprocessing filter to split meshes with many bones into submeshes
+ * so that each submesh has a certain max bone count.
+ *
+ * Applied BEFORE the JoinVertices-Step occurs.
+ * Returns NON-UNIQUE vertices, splits by bone count.
+*/
+class SplitByBoneCountProcess : public BaseProcess
+{
+public:
+
+    SplitByBoneCountProcess();
+    ~SplitByBoneCountProcess();
+
+public:
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with. A
+    *   bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    virtual void SetupProperties(const Importer* pImp);
+
+protected:
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+    /// Splits the given mesh by bone count.
+    /// @param pMesh the Mesh to split. Is not changed at all, but might be superfluous in case it was split.
+    /// @param poNewMeshes Array of submeshes created in the process. Empty if splitting was not necessary.
+    void SplitMesh( const aiMesh* pMesh, std::vector<aiMesh*>& poNewMeshes) const;
+
+    /// Recursively updates the node's mesh list to account for the changed mesh list
+    void UpdateNode( aiNode* pNode) const;
+
+public:
+    /// Max bone count. Splitting occurs if a mesh has more than that number of bones.
+    size_t mMaxBoneCount;
+
+    /// Per mesh index: Array of indices of the new submeshes.
+    std::vector< std::vector<unsigned int> > mSubMeshIndices;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_SPLITBYBONECOUNTPROCESS_H_INC
diff --git a/thirdparty/assimp/code/SplitLargeMeshes.cpp b/thirdparty/assimp/code/SplitLargeMeshes.cpp
new file mode 100644
index 0000000000..1797b28d5a
--- /dev/null
+++ b/thirdparty/assimp/code/SplitLargeMeshes.cpp
@@ -0,0 +1,623 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** 
+ *  @file Implementation of the SplitLargeMeshes postprocessing step
+ */
+
+// internal headers of the post-processing framework
+#include "SplitLargeMeshes.h"
+#include "ProcessHelper.h"
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+SplitLargeMeshesProcess_Triangle::SplitLargeMeshesProcess_Triangle() {
+    LIMIT = AI_SLM_DEFAULT_MAX_TRIANGLES;
+}
+
+// ------------------------------------------------------------------------------------------------
+SplitLargeMeshesProcess_Triangle::~SplitLargeMeshesProcess_Triangle() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool SplitLargeMeshesProcess_Triangle::IsActive( unsigned int pFlags) const {
+    return (pFlags & aiProcess_SplitLargeMeshes) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SplitLargeMeshesProcess_Triangle::Execute( aiScene* pScene) {
+    if (0xffffffff == this->LIMIT || nullptr == pScene ) {
+        return;
+    }
+
+    ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle begin");
+    std::vector<std::pair<aiMesh*, unsigned int> > avList;
+
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
+        this->SplitMesh(a, pScene->mMeshes[a],avList);
+    }
+
+    if (avList.size() != pScene->mNumMeshes) {
+        // it seems something has been split. rebuild the mesh list
+        delete[] pScene->mMeshes;
+        pScene->mNumMeshes = (unsigned int)avList.size();
+        pScene->mMeshes = new aiMesh*[avList.size()];
+
+        for (unsigned int i = 0; i < avList.size();++i) {
+            pScene->mMeshes[i] = avList[i].first;
+        }
+
+        // now we need to update all nodes
+        this->UpdateNode(pScene->mRootNode,avList);
+        ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Triangle finished. Meshes have been split");
+    } else {
+        ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle finished. There was nothing to do");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties
+void SplitLargeMeshesProcess_Triangle::SetupProperties( const Importer* pImp) {
+    // get the current value of the split property
+    this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_TRIANGLE_LIMIT,AI_SLM_DEFAULT_MAX_TRIANGLES);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Update a node after some meshes have been split
+void SplitLargeMeshesProcess_Triangle::UpdateNode(aiNode* pcNode,
+        const std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
+    // for every index in out list build a new entry
+    std::vector<unsigned int> aiEntries;
+    aiEntries.reserve(pcNode->mNumMeshes + 1);
+    for (unsigned int i = 0; i < pcNode->mNumMeshes;++i) {
+        for (unsigned int a = 0; a < avList.size();++a) {
+            if (avList[a].second == pcNode->mMeshes[i]) {
+                aiEntries.push_back(a);
+            }
+        }
+    }
+
+    // now build the new list
+    delete[] pcNode->mMeshes;
+    pcNode->mNumMeshes = (unsigned int)aiEntries.size();
+    pcNode->mMeshes = new unsigned int[pcNode->mNumMeshes];
+
+    for (unsigned int b = 0; b < pcNode->mNumMeshes;++b) {
+        pcNode->mMeshes[b] = aiEntries[b];
+    }
+
+    // recusively update all other nodes
+    for (unsigned int i = 0; i < pcNode->mNumChildren;++i) {
+        UpdateNode ( pcNode->mChildren[i], avList );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SplitLargeMeshesProcess_Triangle::SplitMesh(
+        unsigned int a,
+        aiMesh* pMesh,
+        std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
+    if (pMesh->mNumFaces > SplitLargeMeshesProcess_Triangle::LIMIT) {
+        ASSIMP_LOG_INFO("Mesh exceeds the triangle limit. It will be split ...");
+
+        // we need to split this mesh into sub meshes
+        // determine the size of a submesh
+        const unsigned int iSubMeshes = (pMesh->mNumFaces / LIMIT) + 1;
+
+        const unsigned int iOutFaceNum = pMesh->mNumFaces / iSubMeshes;
+        const unsigned int iOutVertexNum = iOutFaceNum * 3;
+
+        // now generate all submeshes
+        for (unsigned int i = 0; i < iSubMeshes;++i) {
+            aiMesh* pcMesh          = new aiMesh;
+            pcMesh->mNumFaces       = iOutFaceNum;
+            pcMesh->mMaterialIndex  = pMesh->mMaterialIndex;
+
+            // the name carries the adjacency information between the meshes
+            pcMesh->mName = pMesh->mName;
+
+            if (i == iSubMeshes-1) {
+                pcMesh->mNumFaces = iOutFaceNum + (
+                    pMesh->mNumFaces - iOutFaceNum * iSubMeshes);
+            }
+            // copy the list of faces
+            pcMesh->mFaces = new aiFace[pcMesh->mNumFaces];
+
+            const unsigned int iBase = iOutFaceNum * i;
+
+            // get the total number of indices
+            unsigned int iCnt = 0;
+            for (unsigned int p = iBase; p < pcMesh->mNumFaces + iBase;++p) {
+                iCnt += pMesh->mFaces[p].mNumIndices;
+            }
+            pcMesh->mNumVertices = iCnt;
+
+            // allocate storage
+            if (pMesh->mVertices != nullptr) {
+                pcMesh->mVertices = new aiVector3D[iCnt];
+            }
+
+            if (pMesh->HasNormals()) {
+                pcMesh->mNormals = new aiVector3D[iCnt];
+            }
+
+            if (pMesh->HasTangentsAndBitangents()) {
+                pcMesh->mTangents = new aiVector3D[iCnt];
+                pcMesh->mBitangents = new aiVector3D[iCnt];
+            }
+
+            // texture coordinates
+            for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) {
+                pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c];
+                if (pMesh->HasTextureCoords( c)) {
+                    pcMesh->mTextureCoords[c] = new aiVector3D[iCnt];
+                }
+            }
+
+            // vertex colors
+            for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) {
+                if (pMesh->HasVertexColors( c)) {
+                    pcMesh->mColors[c] = new aiColor4D[iCnt];
+                }
+            }
+
+            if (pMesh->HasBones()) {
+                // assume the number of bones won't change in most cases
+                pcMesh->mBones = new aiBone*[pMesh->mNumBones];
+
+                // iterate through all bones of the mesh and find those which
+                // need to be copied to the split mesh
+                std::vector<aiVertexWeight> avTempWeights;
+                for (unsigned int p = 0; p < pcMesh->mNumBones;++p) {
+                    aiBone* const bone = pcMesh->mBones[p];
+                    avTempWeights.clear();
+                    avTempWeights.reserve(bone->mNumWeights / iSubMeshes);
+
+                    for (unsigned int q = 0; q < bone->mNumWeights;++q) {
+                        aiVertexWeight& weight = bone->mWeights[q];
+                        if(weight.mVertexId >= iBase && weight.mVertexId < iBase + iOutVertexNum) {
+                            avTempWeights.push_back(weight);
+                            weight = avTempWeights.back();
+                            weight.mVertexId -= iBase;
+                        }
+                    }
+
+                    if (!avTempWeights.empty()) {
+                        // we'll need this bone. Copy it ...
+                        aiBone* pc = new aiBone();
+                        pcMesh->mBones[pcMesh->mNumBones++] = pc;
+                        pc->mName = aiString(bone->mName);
+                        pc->mNumWeights = (unsigned int)avTempWeights.size();
+                        pc->mOffsetMatrix = bone->mOffsetMatrix;
+
+                        // no need to reallocate the array for the last submesh.
+                        // Here we can reuse the (large) source array, although
+                        // we'll waste some memory
+                        if (iSubMeshes-1 == i) {
+                            pc->mWeights = bone->mWeights;
+                            bone->mWeights = nullptr;
+                        } else {
+                            pc->mWeights = new aiVertexWeight[pc->mNumWeights];
+                        }
+
+                        // copy the weights
+                        ::memcpy(pc->mWeights,&avTempWeights[0],sizeof(aiVertexWeight)*pc->mNumWeights);
+                    }
+                }
+            }
+
+            // (we will also need to copy the array of indices)
+            unsigned int iCurrent = 0;
+            for (unsigned int p = 0; p < pcMesh->mNumFaces;++p) {
+                pcMesh->mFaces[p].mNumIndices = 3;
+                // allocate a new array
+                const unsigned int iTemp = p + iBase;
+                const unsigned int iNumIndices = pMesh->mFaces[iTemp].mNumIndices;
+
+                // setup face type and number of indices
+                pcMesh->mFaces[p].mNumIndices = iNumIndices;
+                unsigned int* pi = pMesh->mFaces[iTemp].mIndices;
+                unsigned int* piOut = pcMesh->mFaces[p].mIndices = new unsigned int[iNumIndices];
+
+                // need to update the output primitive types
+                switch (iNumIndices) {
+                case 1:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                    break;
+                case 2:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                    break;
+                case 3:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                    break;
+                default:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                }
+
+                // and copy the contents of the old array, offset by current base
+                for (unsigned int v = 0; v < iNumIndices;++v) {
+                    unsigned int iIndex = pi[v];
+                    unsigned int iIndexOut = iCurrent++;
+                    piOut[v] = iIndexOut;
+
+                    // copy positions
+                    if (pMesh->mVertices != nullptr) {
+                        pcMesh->mVertices[iIndexOut] = pMesh->mVertices[iIndex];
+                    }
+
+                    // copy normals
+                    if (pMesh->HasNormals()) {
+                        pcMesh->mNormals[iIndexOut] = pMesh->mNormals[iIndex];
+                    }
+
+                    // copy tangents/bitangents
+                    if (pMesh->HasTangentsAndBitangents()) {
+                        pcMesh->mTangents[iIndexOut] = pMesh->mTangents[iIndex];
+                        pcMesh->mBitangents[iIndexOut] = pMesh->mBitangents[iIndex];
+                    }
+
+                    // texture coordinates
+                    for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) {
+                        if (pMesh->HasTextureCoords( c ) ) {
+                            pcMesh->mTextureCoords[c][iIndexOut] = pMesh->mTextureCoords[c][iIndex];
+                        }
+                    }
+                    // vertex colors
+                    for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) {
+                        if (pMesh->HasVertexColors( c)) {
+                            pcMesh->mColors[c][iIndexOut] = pMesh->mColors[c][iIndex];
+                        }
+                    }
+                }
+            }
+
+            // add the newly created mesh to the list
+            avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a));
+        }
+
+        // now delete the old mesh data
+        delete pMesh;
+    } else {
+        avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a));
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+SplitLargeMeshesProcess_Vertex::SplitLargeMeshesProcess_Vertex() {
+    LIMIT = AI_SLM_DEFAULT_MAX_VERTICES;
+}
+
+// ------------------------------------------------------------------------------------------------
+SplitLargeMeshesProcess_Vertex::~SplitLargeMeshesProcess_Vertex() {
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool SplitLargeMeshesProcess_Vertex::IsActive( unsigned int pFlags) const {
+    return (pFlags & aiProcess_SplitLargeMeshes) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SplitLargeMeshesProcess_Vertex::Execute( aiScene* pScene) {
+    if (0xffffffff == this->LIMIT || nullptr == pScene ) {
+        return;
+    }
+
+    ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex begin");
+
+    std::vector<std::pair<aiMesh*, unsigned int> > avList;
+
+    //Check for point cloud first, 
+    //Do not process point cloud, splitMesh works only with faces data
+    for (unsigned int a = 0; a < pScene->mNumMeshes; a++) {
+        if ( pScene->mMeshes[a]->mPrimitiveTypes == aiPrimitiveType_POINT ) {
+            return;
+        }
+    }
+
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a ) {
+        this->SplitMesh(a, pScene->mMeshes[a], avList);
+    }
+
+    if (avList.size() != pScene->mNumMeshes) {
+        // it seems something has been split. rebuild the mesh list
+        delete[] pScene->mMeshes;
+        pScene->mNumMeshes = (unsigned int)avList.size();
+        pScene->mMeshes = new aiMesh*[avList.size()];
+
+        for (unsigned int i = 0; i < avList.size();++i) {
+            pScene->mMeshes[i] = avList[i].first;
+        }
+
+        // now we need to update all nodes
+        SplitLargeMeshesProcess_Triangle::UpdateNode(pScene->mRootNode,avList);
+        ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Vertex finished. Meshes have been split");
+    } else {
+        ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex finished. There was nothing to do");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties
+void SplitLargeMeshesProcess_Vertex::SetupProperties( const Importer* pImp) {
+    this->LIMIT = pImp->GetPropertyInteger(AI_CONFIG_PP_SLM_VERTEX_LIMIT,AI_SLM_DEFAULT_MAX_VERTICES);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void SplitLargeMeshesProcess_Vertex::SplitMesh(
+        unsigned int a,
+        aiMesh* pMesh,
+        std::vector<std::pair<aiMesh*, unsigned int> >& avList) {
+    if (pMesh->mNumVertices > SplitLargeMeshesProcess_Vertex::LIMIT) {
+        typedef std::vector< std::pair<unsigned int,float> > VertexWeightTable;
+
+        // build a per-vertex weight list if necessary
+        VertexWeightTable* avPerVertexWeights = ComputeVertexBoneWeightTable(pMesh);
+
+        // we need to split this mesh into sub meshes
+        // determine the estimated size of a submesh
+        // (this could be too large. Max waste is a single digit percentage)
+        const unsigned int iSubMeshes = (pMesh->mNumVertices / SplitLargeMeshesProcess_Vertex::LIMIT) + 1;
+
+        // create a std::vector<unsigned int> to indicate which vertices
+        // have already been copied
+        std::vector<unsigned int> avWasCopied;
+        avWasCopied.resize(pMesh->mNumVertices,0xFFFFFFFF);
+
+        // try to find a good estimate for the number of output faces
+        // per mesh. Add 12.5% as buffer
+        unsigned int iEstimatedSize = pMesh->mNumFaces / iSubMeshes;
+        iEstimatedSize += iEstimatedSize >> 3;
+
+        // now generate all submeshes
+        unsigned int iBase( 0 );
+        while (true) {
+            const unsigned int iOutVertexNum = SplitLargeMeshesProcess_Vertex::LIMIT;
+            aiMesh* pcMesh          = new aiMesh;
+            pcMesh->mNumVertices    = 0;
+            pcMesh->mMaterialIndex  = pMesh->mMaterialIndex;
+
+            // the name carries the adjacency information between the meshes
+            pcMesh->mName = pMesh->mName;
+
+            typedef std::vector<aiVertexWeight> BoneWeightList;
+            if (pMesh->HasBones()) {
+                pcMesh->mBones = new aiBone*[pMesh->mNumBones];
+                ::memset(pcMesh->mBones,0,sizeof(void*)*pMesh->mNumBones);
+            }
+
+            // clear the temporary helper array
+            if (iBase) {
+                // we can't use memset here we unsigned int needn' be 32 bits
+                for (auto &elem : avWasCopied) {
+                    elem = 0xffffffff;
+                }
+            }
+
+            // output vectors
+            std::vector<aiFace> vFaces;
+
+            // reserve enough storage for most cases
+            if (pMesh->HasPositions()) {
+                pcMesh->mVertices = new aiVector3D[iOutVertexNum];
+            }
+            if (pMesh->HasNormals()) {
+                pcMesh->mNormals = new aiVector3D[iOutVertexNum];
+            }
+            if (pMesh->HasTangentsAndBitangents()) {
+                pcMesh->mTangents = new aiVector3D[iOutVertexNum];
+                pcMesh->mBitangents = new aiVector3D[iOutVertexNum];
+            }
+            for (unsigned int c = 0; pMesh->HasVertexColors(c);++c) {
+                pcMesh->mColors[c] = new aiColor4D[iOutVertexNum];
+            }
+            for (unsigned int c = 0; pMesh->HasTextureCoords(c);++c) {
+                pcMesh->mNumUVComponents[c] = pMesh->mNumUVComponents[c];
+                pcMesh->mTextureCoords[c] = new aiVector3D[iOutVertexNum];
+            }
+            vFaces.reserve(iEstimatedSize);
+
+            // (we will also need to copy the array of indices)
+            while (iBase < pMesh->mNumFaces) {
+                // allocate a new array
+                const unsigned int iNumIndices = pMesh->mFaces[iBase].mNumIndices;
+
+                // doesn't catch degenerates but is quite fast
+                unsigned int iNeed = 0;
+                for (unsigned int v = 0; v < iNumIndices;++v) {
+                    unsigned int iIndex = pMesh->mFaces[iBase].mIndices[v];
+
+                    // check whether we do already have this vertex
+                    if (0xFFFFFFFF == avWasCopied[iIndex]) {
+                        iNeed++;
+                    }
+                }
+                if (pcMesh->mNumVertices + iNeed > iOutVertexNum) {
+                    // don't use this face
+                    break;
+                }
+
+                vFaces.push_back(aiFace());
+                aiFace& rFace = vFaces.back();
+
+                // setup face type and number of indices
+                rFace.mNumIndices = iNumIndices;
+                rFace.mIndices = new unsigned int[iNumIndices];
+
+                // need to update the output primitive types
+                switch (rFace.mNumIndices) {
+                case 1:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
+                    break;
+                case 2:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
+                    break;
+                case 3:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+                    break;
+                default:
+                    pcMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
+                }
+
+                // and copy the contents of the old array, offset by current base
+                for (unsigned int v = 0; v < iNumIndices;++v) {
+                    unsigned int iIndex = pMesh->mFaces[iBase].mIndices[v];
+
+                    // check whether we do already have this vertex
+                    if (0xFFFFFFFF != avWasCopied[iIndex]) {
+                        rFace.mIndices[v] = avWasCopied[iIndex];
+                        continue;
+                    }
+
+                    // copy positions
+                    pcMesh->mVertices[pcMesh->mNumVertices] = (pMesh->mVertices[iIndex]);
+
+                    // copy normals
+                    if (pMesh->HasNormals()) {
+                        pcMesh->mNormals[pcMesh->mNumVertices] = (pMesh->mNormals[iIndex]);
+                    }
+
+                    // copy tangents/bitangents
+                    if (pMesh->HasTangentsAndBitangents()) {
+                        pcMesh->mTangents[pcMesh->mNumVertices] = (pMesh->mTangents[iIndex]);
+                        pcMesh->mBitangents[pcMesh->mNumVertices] = (pMesh->mBitangents[iIndex]);
+                    }
+
+                    // texture coordinates
+                    for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_TEXTURECOORDS;++c) {
+                        if (pMesh->HasTextureCoords( c)) {
+                            pcMesh->mTextureCoords[c][pcMesh->mNumVertices] = pMesh->mTextureCoords[c][iIndex];
+                        }
+                    }
+                    // vertex colors
+                    for (unsigned int c = 0;  c < AI_MAX_NUMBER_OF_COLOR_SETS;++c) {
+                        if (pMesh->HasVertexColors( c)) {
+                            pcMesh->mColors[c][pcMesh->mNumVertices] = pMesh->mColors[c][iIndex];
+                        }
+                    }
+                    // check whether we have bone weights assigned to this vertex
+                    rFace.mIndices[v] = pcMesh->mNumVertices;
+                    if (avPerVertexWeights) {
+                        VertexWeightTable& table = avPerVertexWeights[ pcMesh->mNumVertices ];
+                        if( !table.empty() ) {
+                            for (VertexWeightTable::const_iterator iter =  table.begin();
+                                    iter != table.end();++iter) {
+                                // allocate the bone weight array if necessary
+                                BoneWeightList* pcWeightList = (BoneWeightList*)pcMesh->mBones[(*iter).first];
+                                if (nullptr == pcWeightList) {
+                                    pcMesh->mBones[(*iter).first] = (aiBone*)(pcWeightList = new BoneWeightList());
+                                }
+                                pcWeightList->push_back(aiVertexWeight(pcMesh->mNumVertices,(*iter).second));
+                            }
+                        }
+                    }
+
+                    avWasCopied[iIndex] = pcMesh->mNumVertices;
+                    pcMesh->mNumVertices++;
+                }
+                ++iBase;
+                if(pcMesh->mNumVertices == iOutVertexNum) {
+                    // break here. The face is only added if it was complete
+                    break;
+                }
+            }
+
+            // check which bones we'll need to create for this submesh
+            if (pMesh->HasBones()) {
+                aiBone** ppCurrent = pcMesh->mBones;
+                for (unsigned int k = 0; k < pMesh->mNumBones;++k) {
+                    // check whether the bone is existing
+                    BoneWeightList* pcWeightList;
+                    if ((pcWeightList = (BoneWeightList*)pcMesh->mBones[k])) {
+                        aiBone* pcOldBone = pMesh->mBones[k];
+                        aiBone* pcOut( nullptr );
+                        *ppCurrent++ = pcOut = new aiBone();
+                        pcOut->mName = aiString(pcOldBone->mName);
+                        pcOut->mOffsetMatrix = pcOldBone->mOffsetMatrix;
+                        pcOut->mNumWeights = (unsigned int)pcWeightList->size();
+                        pcOut->mWeights = new aiVertexWeight[pcOut->mNumWeights];
+
+                        // copy the vertex weights
+                        ::memcpy(pcOut->mWeights,&pcWeightList->operator[](0),
+                            pcOut->mNumWeights * sizeof(aiVertexWeight));
+
+                        // delete the temporary bone weight list
+                        delete pcWeightList;
+                        pcMesh->mNumBones++;
+                    }
+                }
+            }
+
+            // copy the face list to the mesh
+            pcMesh->mFaces = new aiFace[vFaces.size()];
+            pcMesh->mNumFaces = (unsigned int)vFaces.size();
+
+            for (unsigned int p = 0; p < pcMesh->mNumFaces;++p) {
+                pcMesh->mFaces[p] = vFaces[p];
+            }
+
+            // add the newly created mesh to the list
+            avList.push_back(std::pair<aiMesh*, unsigned int>(pcMesh,a));
+
+            if (iBase == pMesh->mNumFaces) {
+                // have all faces ... finish the outer loop, too
+                break;
+            }
+        }
+
+        // delete the per-vertex weight list again
+        delete[] avPerVertexWeights;
+
+        // now delete the old mesh data
+        delete pMesh;
+        return;
+    }
+    avList.push_back(std::pair<aiMesh*, unsigned int>(pMesh,a));
+}
diff --git a/thirdparty/assimp/code/SplitLargeMeshes.h b/thirdparty/assimp/code/SplitLargeMeshes.h
new file mode 100644
index 0000000000..77f089ce7e
--- /dev/null
+++ b/thirdparty/assimp/code/SplitLargeMeshes.h
@@ -0,0 +1,210 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to split large meshes into submeshes
+ */
+#ifndef AI_SPLITLARGEMESHES_H_INC
+#define AI_SPLITLARGEMESHES_H_INC
+
+#include <vector>
+#include "BaseProcess.h"
+
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+
+class SplitLargeMeshesTest;
+
+namespace Assimp
+{
+
+class SplitLargeMeshesProcess_Triangle;
+class SplitLargeMeshesProcess_Vertex;
+
+// NOTE: If you change these limits, don't forget to change the
+// corresponding values in all Assimp ports
+
+// **********************************************************
+// Java: ConfigProperty.java,
+//  ConfigProperty.DEFAULT_VERTEX_SPLIT_LIMIT
+//  ConfigProperty.DEFAULT_TRIANGLE_SPLIT_LIMIT
+// **********************************************************
+
+// default limit for vertices
+#if (!defined AI_SLM_DEFAULT_MAX_VERTICES)
+#   define AI_SLM_DEFAULT_MAX_VERTICES      1000000
+#endif
+
+// default limit for triangles
+#if (!defined AI_SLM_DEFAULT_MAX_TRIANGLES)
+#   define AI_SLM_DEFAULT_MAX_TRIANGLES     1000000
+#endif
+
+// ---------------------------------------------------------------------------
+/** Post-processing filter to split large meshes into sub-meshes
+ *
+ * Applied BEFORE the JoinVertices-Step occurs.
+ * Returns NON-UNIQUE vertices, splits by triangle number.
+*/
+class ASSIMP_API SplitLargeMeshesProcess_Triangle : public BaseProcess
+{
+    friend class SplitLargeMeshesProcess_Vertex;
+
+public:
+
+    SplitLargeMeshesProcess_Triangle();
+    ~SplitLargeMeshesProcess_Triangle();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag.
+    * @param pFlags The processing flags the importer was called with. A
+    *   bitwise combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields,
+    *   false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    virtual void SetupProperties(const Importer* pImp);
+
+
+    //! Set the split limit - needed for unit testing
+    inline void SetLimit(unsigned int l)
+        {LIMIT = l;}
+
+    //! Get the split limit
+    inline unsigned int GetLimit() const
+        {return LIMIT;}
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    //! Apply the algorithm to a given mesh
+    void SplitMesh (unsigned int a, aiMesh* pcMesh,
+        std::vector<std::pair<aiMesh*, unsigned int> >& avList);
+
+    // -------------------------------------------------------------------
+    //! Update a node in the asset after a few of its meshes
+    //! have been split
+    static void UpdateNode(aiNode* pcNode,
+        const std::vector<std::pair<aiMesh*, unsigned int> >& avList);
+
+public:
+    //! Triangle limit
+    unsigned int LIMIT;
+};
+
+
+// ---------------------------------------------------------------------------
+/** Post-processing filter to split large meshes into sub-meshes
+ *
+ * Applied AFTER the JoinVertices-Step occurs.
+ * Returns UNIQUE vertices, splits by vertex number.
+*/
+class ASSIMP_API SplitLargeMeshesProcess_Vertex : public BaseProcess
+{
+public:
+
+    SplitLargeMeshesProcess_Vertex();
+    ~SplitLargeMeshesProcess_Vertex();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+    * @param pFlags The processing flags the importer was called with. A bitwise
+    *   combination of #aiPostProcessSteps.
+    * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ExecuteOnScene().
+    * The function is a request to the process to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    virtual void SetupProperties(const Importer* pImp);
+
+
+    //! Set the split limit - needed for unit testing
+    inline void SetLimit(unsigned int l)
+        {LIMIT = l;}
+
+    //! Get the split limit
+    inline unsigned int GetLimit() const
+        {return LIMIT;}
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    //! Apply the algorithm to a given mesh
+    void SplitMesh (unsigned int a, aiMesh* pcMesh,
+        std::vector<std::pair<aiMesh*, unsigned int> >& avList);
+
+    // NOTE: Reuse SplitLargeMeshesProcess_Triangle::UpdateNode()
+
+public:
+    //! Triangle limit
+    unsigned int LIMIT;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_SPLITLARGEMESHES_H_INC
diff --git a/thirdparty/assimp/code/StandardShapes.cpp b/thirdparty/assimp/code/StandardShapes.cpp
new file mode 100644
index 0000000000..2e5100130f
--- /dev/null
+++ b/thirdparty/assimp/code/StandardShapes.cpp
@@ -0,0 +1,507 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file   StandardShapes.cpp
+ *  @brief  Implementation of the StandardShapes class
+ *
+ *  The primitive geometry data comes from
+ *  http://geometrictools.com/Documentation/PlatonicSolids.pdf.
+ */
+
+#include <assimp/StandardShapes.h>
+#include <assimp/StringComparison.h>
+#include <stddef.h>
+#include <assimp/Defines.h>
+#include <assimp/mesh.h>
+
+namespace Assimp    {
+
+
+# define ADD_TRIANGLE(n0,n1,n2) \
+    positions.push_back(n0); \
+    positions.push_back(n1); \
+    positions.push_back(n2);
+
+#   define ADD_PENTAGON(n0,n1,n2,n3,n4) \
+    if (polygons) \
+    { \
+        positions.push_back(n0); \
+        positions.push_back(n1); \
+        positions.push_back(n2); \
+        positions.push_back(n3); \
+        positions.push_back(n4); \
+    } \
+    else \
+    { \
+        ADD_TRIANGLE(n0, n1, n2) \
+        ADD_TRIANGLE(n0, n2, n3) \
+        ADD_TRIANGLE(n0, n3, n4) \
+    }
+
+#   define ADD_QUAD(n0,n1,n2,n3) \
+    if (polygons) \
+    { \
+        positions.push_back(n0); \
+        positions.push_back(n1); \
+        positions.push_back(n2); \
+        positions.push_back(n3); \
+    } \
+    else \
+    { \
+        ADD_TRIANGLE(n0, n1, n2) \
+        ADD_TRIANGLE(n0, n2, n3) \
+    }
+
+
+// ------------------------------------------------------------------------------------------------
+// Fast subdivision for a mesh whose verts have a magnitude of 1
+void Subdivide(std::vector<aiVector3D>& positions)
+{
+    // assume this to be constant - (fixme: must be 1.0? I think so)
+    const ai_real fl1 = positions[0].Length();
+
+    unsigned int origSize = (unsigned int)positions.size();
+    for (unsigned int i = 0 ; i < origSize ; i+=3)
+    {
+        aiVector3D& tv0 = positions[i];
+        aiVector3D& tv1 = positions[i+1];
+        aiVector3D& tv2 = positions[i+2];
+
+        aiVector3D a = tv0, b = tv1, c = tv2;
+        aiVector3D v1 = aiVector3D(a.x+b.x, a.y+b.y, a.z+b.z).Normalize()*fl1;
+        aiVector3D v2 = aiVector3D(a.x+c.x, a.y+c.y, a.z+c.z).Normalize()*fl1;
+        aiVector3D v3 = aiVector3D(b.x+c.x, b.y+c.y, b.z+c.z).Normalize()*fl1;
+
+        tv0 = v1; tv1 = v3; tv2 = v2; // overwrite the original
+        ADD_TRIANGLE(v1, v2, a);
+        ADD_TRIANGLE(v2, v3, c);
+        ADD_TRIANGLE(v3, v1, b);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Construct a mesh from given vertex positions
+aiMesh* StandardShapes::MakeMesh(const std::vector<aiVector3D>& positions,
+    unsigned int numIndices)
+{
+    if (positions.empty() || !numIndices) return NULL;
+
+    // Determine which kinds of primitives the mesh consists of
+    aiMesh* out = new aiMesh();
+    switch (numIndices) {
+        case 1:
+            out->mPrimitiveTypes = aiPrimitiveType_POINT;
+            break;
+        case 2:
+            out->mPrimitiveTypes = aiPrimitiveType_LINE;
+            break;
+        case 3:
+            out->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
+            break;
+        default:
+            out->mPrimitiveTypes = aiPrimitiveType_POLYGON;
+            break;
+    };
+
+    out->mNumFaces = (unsigned int)positions.size() / numIndices;
+    out->mFaces = new aiFace[out->mNumFaces];
+    for (unsigned int i = 0, a = 0; i < out->mNumFaces;++i) {
+        aiFace& f = out->mFaces[i];
+        f.mNumIndices = numIndices;
+        f.mIndices = new unsigned int[numIndices];
+        for (unsigned int j = 0; i < numIndices; ++i, ++a) {
+            f.mIndices[j] = a;
+        }
+    }
+    out->mNumVertices = (unsigned int)positions.size();
+    out->mVertices = new aiVector3D[out->mNumVertices];
+    ::memcpy(out->mVertices,&positions[0],out->mNumVertices*sizeof(aiVector3D));
+
+    return out;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Construct a mesh with a specific shape (callback)
+aiMesh* StandardShapes::MakeMesh ( unsigned int (*GenerateFunc)(
+    std::vector<aiVector3D>&))
+{
+    std::vector<aiVector3D> temp;
+    unsigned num = (*GenerateFunc)(temp);
+    return MakeMesh(temp,num);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Construct a mesh with a specific shape (callback)
+aiMesh* StandardShapes::MakeMesh ( unsigned int (*GenerateFunc)(
+    std::vector<aiVector3D>&, bool))
+{
+    std::vector<aiVector3D> temp;
+    unsigned num = (*GenerateFunc)(temp,true);
+    return MakeMesh(temp,num);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Construct a mesh with a specific shape (callback)
+aiMesh* StandardShapes::MakeMesh (unsigned int num,  void (*GenerateFunc)(
+    unsigned int,std::vector<aiVector3D>&))
+{
+    std::vector<aiVector3D> temp;
+    (*GenerateFunc)(num,temp);
+    return MakeMesh(temp,3);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build an incosahedron with points.magnitude == 1
+unsigned int StandardShapes::MakeIcosahedron(std::vector<aiVector3D>& positions)
+{
+    positions.reserve(positions.size()+60);
+
+    const ai_real t = ( ai_real( 1.0 )+ ai_real( 2.236067977 ) ) / ai_real( 2.0 );
+    const ai_real s = std::sqrt(ai_real(1.0) + t*t);
+
+    const aiVector3D v0  = aiVector3D(t,1.0, 0.0)/s;
+    const aiVector3D v1  = aiVector3D(-t,1.0, 0.0)/s;
+    const aiVector3D v2  = aiVector3D(t,-1.0, 0.0)/s;
+    const aiVector3D v3  = aiVector3D(-t,-1.0, 0.0)/s;
+    const aiVector3D v4  = aiVector3D(1.0, 0.0, t)/s;
+    const aiVector3D v5  = aiVector3D(1.0, 0.0,-t)/s;
+    const aiVector3D v6  = aiVector3D(-1.0, 0.0,t)/s;
+    const aiVector3D v7  = aiVector3D(-1.0, 0.0,-t)/s;
+    const aiVector3D v8  = aiVector3D(0.0, t, 1.0)/s;
+    const aiVector3D v9  = aiVector3D(0.0,-t, 1.0)/s;
+    const aiVector3D v10 = aiVector3D(0.0, t,-1.0)/s;
+    const aiVector3D v11 = aiVector3D(0.0,-t,-1.0)/s;
+
+    ADD_TRIANGLE(v0,v8,v4);
+    ADD_TRIANGLE(v0,v5,v10);
+    ADD_TRIANGLE(v2,v4,v9);
+    ADD_TRIANGLE(v2,v11,v5);
+
+    ADD_TRIANGLE(v1,v6,v8);
+    ADD_TRIANGLE(v1,v10,v7);
+    ADD_TRIANGLE(v3,v9,v6);
+    ADD_TRIANGLE(v3,v7,v11);
+
+    ADD_TRIANGLE(v0,v10,v8);
+    ADD_TRIANGLE(v1,v8,v10);
+    ADD_TRIANGLE(v2,v9,v11);
+    ADD_TRIANGLE(v3,v11,v9);
+
+    ADD_TRIANGLE(v4,v2,v0);
+    ADD_TRIANGLE(v5,v0,v2);
+    ADD_TRIANGLE(v6,v1,v3);
+    ADD_TRIANGLE(v7,v3,v1);
+
+    ADD_TRIANGLE(v8,v6,v4);
+    ADD_TRIANGLE(v9,v4,v6);
+    ADD_TRIANGLE(v10,v5,v7);
+    ADD_TRIANGLE(v11,v7,v5);
+    return 3;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a dodecahedron with points.magnitude == 1
+unsigned int StandardShapes::MakeDodecahedron(std::vector<aiVector3D>& positions,
+    bool polygons /*= false*/)
+{
+    positions.reserve(positions.size()+108);
+
+    const ai_real a = ai_real( 1.0 ) / ai_real(1.7320508);
+    const ai_real b = std::sqrt(( ai_real( 3.0 )- ai_real( 2.23606797))/ ai_real( 6.0) );
+    const ai_real c = std::sqrt(( ai_real( 3.0 )+ ai_real( 2.23606797f))/ ai_real( 6.0) );
+
+    const aiVector3D v0  = aiVector3D(a,a,a);
+    const aiVector3D v1  = aiVector3D(a,a,-a);
+    const aiVector3D v2  = aiVector3D(a,-a,a);
+    const aiVector3D v3  = aiVector3D(a,-a,-a);
+    const aiVector3D v4  = aiVector3D(-a,a,a);
+    const aiVector3D v5  = aiVector3D(-a,a,-a);
+    const aiVector3D v6  = aiVector3D(-a,-a,a);
+    const aiVector3D v7  = aiVector3D(-a,-a,-a);
+    const aiVector3D v8  = aiVector3D(b,c,0.0);
+    const aiVector3D v9  = aiVector3D(-b,c,0.0);
+    const aiVector3D v10 = aiVector3D(b,-c,0.0);
+    const aiVector3D v11 = aiVector3D(-b,-c,0.0);
+    const aiVector3D v12 = aiVector3D(c, 0.0, b);
+    const aiVector3D v13 = aiVector3D(c, 0.0, -b);
+    const aiVector3D v14 = aiVector3D(-c, 0.0, b);
+    const aiVector3D v15 = aiVector3D(-c, 0.0, -b);
+    const aiVector3D v16 = aiVector3D(0.0, b, c);
+    const aiVector3D v17 = aiVector3D(0.0, -b, c);
+    const aiVector3D v18 = aiVector3D(0.0, b, -c);
+    const aiVector3D v19 = aiVector3D(0.0, -b, -c);
+
+    ADD_PENTAGON(v0, v8, v9, v4, v16);
+    ADD_PENTAGON(v0, v12, v13, v1, v8);
+    ADD_PENTAGON(v0, v16, v17, v2, v12);
+    ADD_PENTAGON(v8, v1, v18, v5, v9);
+    ADD_PENTAGON(v12, v2, v10, v3, v13);
+    ADD_PENTAGON(v16, v4, v14, v6, v17);
+    ADD_PENTAGON(v9, v5, v15, v14, v4);
+
+    ADD_PENTAGON(v6, v11, v10, v2, v17);
+    ADD_PENTAGON(v3, v19, v18, v1, v13);
+    ADD_PENTAGON(v7, v15, v5, v18, v19);
+    ADD_PENTAGON(v7, v11, v6, v14, v15);
+    ADD_PENTAGON(v7, v19, v3, v10, v11);
+    return (polygons ? 5 : 3);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build an octahedron with points.magnitude == 1
+unsigned int StandardShapes::MakeOctahedron(std::vector<aiVector3D>& positions)
+{
+    positions.reserve(positions.size()+24);
+
+    const aiVector3D v0  = aiVector3D(1.0, 0.0, 0.0) ;
+    const aiVector3D v1  = aiVector3D(-1.0, 0.0, 0.0);
+    const aiVector3D v2  = aiVector3D(0.0, 1.0, 0.0);
+    const aiVector3D v3  = aiVector3D(0.0, -1.0, 0.0);
+    const aiVector3D v4  = aiVector3D(0.0, 0.0, 1.0);
+    const aiVector3D v5  = aiVector3D(0.0, 0.0, -1.0);
+
+    ADD_TRIANGLE(v4,v0,v2);
+    ADD_TRIANGLE(v4,v2,v1);
+    ADD_TRIANGLE(v4,v1,v3);
+    ADD_TRIANGLE(v4,v3,v0);
+
+    ADD_TRIANGLE(v5,v2,v0);
+    ADD_TRIANGLE(v5,v1,v2);
+    ADD_TRIANGLE(v5,v3,v1);
+    ADD_TRIANGLE(v5,v0,v3);
+    return 3;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a tetrahedron with points.magnitude == 1
+unsigned int StandardShapes::MakeTetrahedron(std::vector<aiVector3D>& positions)
+{
+    positions.reserve(positions.size()+9);
+
+    const ai_real invThree = ai_real( 1.0 ) / ai_real( 3.0 );
+    const ai_real a = ai_real( 1.41421 ) * invThree;
+    const ai_real b = ai_real( 2.4494 ) * invThree;
+
+    const aiVector3D v0  = aiVector3D(0.0,0.0,1.0);
+    const aiVector3D v1  = aiVector3D(2*a,0,-invThree );
+    const aiVector3D v2  = aiVector3D(-a,b,-invThree );
+    const aiVector3D v3  = aiVector3D(-a,-b,-invThree );
+
+    ADD_TRIANGLE(v0,v1,v2);
+    ADD_TRIANGLE(v0,v2,v3);
+    ADD_TRIANGLE(v0,v3,v1);
+    ADD_TRIANGLE(v1,v3,v2);
+    return 3;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a hexahedron with points.magnitude == 1
+unsigned int StandardShapes::MakeHexahedron(std::vector<aiVector3D>& positions,
+    bool polygons /*= false*/)
+{
+    positions.reserve(positions.size()+36);
+    const ai_real length = ai_real(1.0)/ai_real(1.73205080);
+
+    const aiVector3D v0  = aiVector3D(-1.0,-1.0,-1.0)*length;
+    const aiVector3D v1  = aiVector3D(1.0,-1.0,-1.0)*length;
+    const aiVector3D v2  = aiVector3D(1.0,1.0,-1.0)*length;
+    const aiVector3D v3  = aiVector3D(-1.0,1.0,-1.0)*length;
+    const aiVector3D v4  = aiVector3D(-1.0,-1.0,1.0)*length;
+    const aiVector3D v5  = aiVector3D(1.0,-1.0,1.0)*length;
+    const aiVector3D v6  = aiVector3D(1.0,1.0,1.0)*length;
+    const aiVector3D v7  = aiVector3D(-1.0,1.0,1.0)*length;
+
+    ADD_QUAD(v0,v3,v2,v1);
+    ADD_QUAD(v0,v1,v5,v4);
+    ADD_QUAD(v0,v4,v7,v3);
+    ADD_QUAD(v6,v5,v1,v2);
+    ADD_QUAD(v6,v2,v3,v7);
+    ADD_QUAD(v6,v7,v4,v5);
+    return (polygons ? 4 : 3);
+}
+
+// Cleanup ...
+#undef ADD_TRIANGLE
+#undef ADD_QUAD
+#undef ADD_PENTAGON
+
+// ------------------------------------------------------------------------------------------------
+// Create a subdivision sphere
+void StandardShapes::MakeSphere(unsigned int    tess,
+    std::vector<aiVector3D>& positions)
+{
+    // Reserve enough storage. Every subdivision
+    // splits each triangle in 4, the icosahedron consists of 60 verts
+    positions.reserve(positions.size()+60 * integer_pow(4, tess));
+
+    // Construct an icosahedron to start with
+    MakeIcosahedron(positions);
+
+    // ... and subdivide it until the requested output
+    // tessellation is reached
+    for (unsigned int i = 0; i<tess;++i)
+        Subdivide(positions);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a cone
+void StandardShapes::MakeCone(ai_real height,ai_real radius1,
+    ai_real radius2,unsigned int tess,
+    std::vector<aiVector3D>& positions,bool bOpen /*= false */)
+{
+    // Sorry, a cone with less than 3 segments makes ABSOLUTELY NO SENSE
+    if (tess < 3 || !height)
+        return;
+
+    size_t old = positions.size();
+
+    // No negative radii
+    radius1 = std::fabs(radius1);
+    radius2 = std::fabs(radius2);
+
+    ai_real halfHeight = height / ai_real(2.0);
+
+    // radius1 is always the smaller one
+    if (radius2 > radius1)
+    {
+        std::swap(radius2,radius1);
+        halfHeight = -halfHeight;
+    }
+    else old = SIZE_MAX;
+
+    // Use a large epsilon to check whether the cone is pointy
+    if (radius1 < (radius2-radius1)*10e-3)radius1 = 0.0;
+
+    // We will need 3*2 verts per segment + 3*2 verts per segment
+    // if the cone is closed
+    const unsigned int mem = tess*6 + (!bOpen ? tess*3 * (radius1 ? 2 : 1) : 0);
+    positions.reserve(positions.size () + mem);
+
+    // Now construct all segments
+    const ai_real angle_delta = (ai_real)AI_MATH_TWO_PI / tess;
+    const ai_real angle_max   = (ai_real)AI_MATH_TWO_PI;
+
+    ai_real s = 1.0; // std::cos(angle == 0);
+    ai_real t = 0.0; // std::sin(angle == 0);
+
+    for (ai_real angle = 0.0; angle < angle_max; )
+    {
+        const aiVector3D v1 = aiVector3D (s * radius1, -halfHeight, t * radius1 );
+        const aiVector3D v2 = aiVector3D (s * radius2,  halfHeight, t * radius2 );
+
+        const ai_real next = angle + angle_delta;
+        ai_real s2 = std::cos(next);
+        ai_real t2 = std::sin(next);
+
+        const aiVector3D v3 = aiVector3D (s2 * radius2,  halfHeight, t2 * radius2 );
+        const aiVector3D v4 = aiVector3D (s2 * radius1, -halfHeight, t2 * radius1 );
+
+        positions.push_back(v1);
+        positions.push_back(v2);
+        positions.push_back(v3);
+        positions.push_back(v4);
+        positions.push_back(v1);
+        positions.push_back(v3);
+
+        if (!bOpen)
+        {
+            // generate the end 'cap'
+            positions.push_back(aiVector3D(s * radius2,  halfHeight, t * radius2 ));
+            positions.push_back(aiVector3D(s2 * radius2,  halfHeight, t2 * radius2 ));
+            positions.push_back(aiVector3D(0.0, halfHeight, 0.0));
+
+
+            if (radius1)
+            {
+                // generate the other end 'cap'
+                positions.push_back(aiVector3D(s * radius1,  -halfHeight, t * radius1 ));
+                positions.push_back(aiVector3D(s2 * radius1,  -halfHeight, t2 * radius1 ));
+                positions.push_back(aiVector3D(0.0, -halfHeight, 0.0));
+
+            }
+        }
+        s = s2;
+        t = t2;
+        angle = next;
+    }
+
+    // Need to flip face order?
+    if ( SIZE_MAX != old )  {
+        for (size_t p = old; p < positions.size();p += 3) {
+            std::swap(positions[p],positions[p+1]);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Build a circle
+void StandardShapes::MakeCircle(ai_real radius, unsigned int tess,
+    std::vector<aiVector3D>& positions)
+{
+    // Sorry, a circle with less than 3 segments makes ABSOLUTELY NO SENSE
+    if (tess < 3 || !radius)
+        return;
+
+    radius = std::fabs(radius);
+
+    // We will need 3 vertices per segment
+    positions.reserve(positions.size()+tess*3);
+
+    const ai_real angle_delta = (ai_real)AI_MATH_TWO_PI / tess;
+    const ai_real angle_max   = (ai_real)AI_MATH_TWO_PI;
+
+    ai_real s = 1.0; // std::cos(angle == 0);
+    ai_real t = 0.0; // std::sin(angle == 0);
+
+    for (ai_real angle = 0.0; angle < angle_max;  )
+    {
+        positions.push_back(aiVector3D(s * radius,0.0,t * radius));
+        angle += angle_delta;
+        s = std::cos(angle);
+        t = std::sin(angle);
+        positions.push_back(aiVector3D(s * radius,0.0,t * radius));
+
+        positions.push_back(aiVector3D(0.0,0.0,0.0));
+    }
+}
+
+} // ! Assimp
diff --git a/thirdparty/assimp/code/StdOStreamLogStream.h b/thirdparty/assimp/code/StdOStreamLogStream.h
new file mode 100644
index 0000000000..893e261a2b
--- /dev/null
+++ b/thirdparty/assimp/code/StdOStreamLogStream.h
@@ -0,0 +1,101 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  StdOStreamLogStream.h
+*  @brief Implementation of StdOStreamLogStream
+*/
+
+#ifndef AI_STROSTREAMLOGSTREAM_H_INC
+#define AI_STROSTREAMLOGSTREAM_H_INC
+
+#include <assimp/LogStream.hpp>
+#include <ostream>
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** @class  StdOStreamLogStream
+ *  @brief  Logs into a std::ostream
+ */
+class StdOStreamLogStream : public LogStream {
+public:
+    /** @brief  Construction from an existing std::ostream
+     *  @param _ostream Output stream to be used
+    */
+    explicit StdOStreamLogStream(std::ostream& _ostream);
+
+    /** @brief  Destructor  */
+    ~StdOStreamLogStream();
+
+    /** @brief  Writer  */
+    void write(const char* message);
+
+private:
+    std::ostream& mOstream;
+};
+
+// ---------------------------------------------------------------------------
+//  Default constructor
+inline StdOStreamLogStream::StdOStreamLogStream(std::ostream& _ostream)
+: mOstream   (_ostream){
+    // empty
+}
+
+// ---------------------------------------------------------------------------
+//  Default constructor
+inline StdOStreamLogStream::~StdOStreamLogStream() {
+    // empty
+}
+
+// ---------------------------------------------------------------------------
+//  Write method
+inline void StdOStreamLogStream::write(const char* message) {
+    mOstream << message;
+    mOstream.flush();
+}
+
+// ---------------------------------------------------------------------------
+
+}   // Namespace Assimp
+
+#endif // guard
diff --git a/thirdparty/assimp/code/Subdivision.cpp b/thirdparty/assimp/code/Subdivision.cpp
new file mode 100644
index 0000000000..19db223a55
--- /dev/null
+++ b/thirdparty/assimp/code/Subdivision.cpp
@@ -0,0 +1,588 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#include <assimp/Subdivision.h>
+#include <assimp/SceneCombiner.h>
+#include <assimp/SpatialSort.h>
+#include "ProcessHelper.h"
+#include <assimp/Vertex.h>
+#include <assimp/ai_assert.h>
+#include <stdio.h>
+
+using namespace Assimp;
+void mydummy() {}
+
+// ------------------------------------------------------------------------------------------------
+/** Subdivider stub class to implement the Catmull-Clarke subdivision algorithm. The
+ *  implementation is basing on recursive refinement. Directly evaluating the result is also
+ *  possible and much quicker, but it depends on lengthy matrix lookup tables. */
+// ------------------------------------------------------------------------------------------------
+class CatmullClarkSubdivider : public Subdivider
+{
+public:
+    void Subdivide (aiMesh* mesh, aiMesh*& out, unsigned int num, bool discard_input);
+    void Subdivide (aiMesh** smesh, size_t nmesh,
+        aiMesh** out, unsigned int num, bool discard_input);
+
+    // ---------------------------------------------------------------------------
+    /** Intermediate description of an edge between two corners of a polygon*/
+    // ---------------------------------------------------------------------------
+    struct Edge
+    {
+        Edge()
+            : ref(0)
+        {}
+        Vertex edge_point, midpoint;
+        unsigned int ref;
+    };
+
+    typedef std::vector<unsigned int> UIntVector;
+    typedef std::map<uint64_t,Edge> EdgeMap;
+
+    // ---------------------------------------------------------------------------
+    // Hashing function to derive an index into an #EdgeMap from two given
+    // 'unsigned int' vertex coordinates (!!distinct coordinates - same
+    // vertex position == same index!!).
+    // NOTE - this leads to rare hash collisions if a) sizeof(unsigned int)>4
+    // and (id[0]>2^32-1 or id[0]>2^32-1).
+    // MAKE_EDGE_HASH() uses temporaries, so INIT_EDGE_HASH() needs to be put
+    // at the head of every function which is about to use MAKE_EDGE_HASH().
+    // Reason is that the hash is that hash construction needs to hold the
+    // invariant id0<id1 to identify an edge - else two hashes would refer
+    // to the same edge.
+    // ---------------------------------------------------------------------------
+#define MAKE_EDGE_HASH(id0,id1) (eh_tmp0__=id0,eh_tmp1__=id1,\
+    (eh_tmp0__<eh_tmp1__?std::swap(eh_tmp0__,eh_tmp1__):mydummy()),(uint64_t)eh_tmp0__^((uint64_t)eh_tmp1__<<32u))
+
+
+#define INIT_EDGE_HASH_TEMPORARIES()\
+    unsigned int eh_tmp0__, eh_tmp1__;
+
+private:
+    void InternSubdivide (const aiMesh* const * smesh,
+        size_t nmesh,aiMesh** out, unsigned int num);
+};
+
+
+// ------------------------------------------------------------------------------------------------
+// Construct a subdivider of a specific type
+Subdivider* Subdivider::Create (Algorithm algo)
+{
+    switch (algo)
+    {
+    case CATMULL_CLARKE:
+        return new CatmullClarkSubdivider();
+    };
+
+    ai_assert(false);
+    return NULL; // shouldn't happen
+}
+
+// ------------------------------------------------------------------------------------------------
+// Call the Catmull Clark subdivision algorithm for one mesh
+void  CatmullClarkSubdivider::Subdivide (
+    aiMesh* mesh,
+    aiMesh*& out,
+    unsigned int num,
+    bool discard_input
+    )
+{
+    ai_assert(mesh != out);
+    
+    Subdivide(&mesh,1,&out,num,discard_input);
+}
+
+// ------------------------------------------------------------------------------------------------
+// Call the Catmull Clark subdivision algorithm for multiple meshes
+void CatmullClarkSubdivider::Subdivide (
+    aiMesh** smesh,
+    size_t nmesh,
+    aiMesh** out,
+    unsigned int num,
+    bool discard_input
+    )
+{
+    ai_assert( NULL != smesh );
+    ai_assert( NULL != out );
+
+    // course, both regions may not overlap
+    ai_assert(smesh<out || smesh+nmesh>out+nmesh);
+    if (!num) {
+        // No subdivision at all. Need to copy all the meshes .. argh.
+        if (discard_input) {
+            for (size_t s = 0; s < nmesh; ++s) {
+                out[s] = smesh[s];
+                smesh[s] = NULL;
+            }
+        }
+        else {
+            for (size_t s = 0; s < nmesh; ++s) {
+                SceneCombiner::Copy(out+s,smesh[s]);
+            }
+        }
+        return;
+    }
+
+    std::vector<aiMesh*> inmeshes;
+    std::vector<aiMesh*> outmeshes;
+    std::vector<unsigned int> maptbl;
+
+    inmeshes.reserve(nmesh);
+    outmeshes.reserve(nmesh);
+    maptbl.reserve(nmesh);
+
+    // Remove pure line and point meshes from the working set to reduce the
+    // number of edge cases the subdivider is forced to deal with. Line and
+    // point meshes are simply passed through.
+    for (size_t s = 0; s < nmesh; ++s) {
+        aiMesh* i = smesh[s];
+        // FIX - mPrimitiveTypes might not yet be initialized
+        if (i->mPrimitiveTypes && (i->mPrimitiveTypes & (aiPrimitiveType_LINE|aiPrimitiveType_POINT))==i->mPrimitiveTypes) {
+            ASSIMP_LOG_DEBUG("Catmull-Clark Subdivider: Skipping pure line/point mesh");
+
+            if (discard_input) {
+                out[s] = i;
+                smesh[s] = NULL;
+            }
+            else {
+                SceneCombiner::Copy(out+s,i);
+            }
+            continue;
+        }
+
+        outmeshes.push_back(NULL);inmeshes.push_back(i);
+        maptbl.push_back(static_cast<unsigned int>(s));
+    }
+
+    // Do the actual subdivision on the preallocated storage. InternSubdivide
+    // *always* assumes that enough storage is available, it does not bother
+    // checking any ranges.
+    ai_assert(inmeshes.size()==outmeshes.size()&&inmeshes.size()==maptbl.size());
+    if (inmeshes.empty()) {
+        ASSIMP_LOG_WARN("Catmull-Clark Subdivider: Pure point/line scene, I can't do anything");
+        return;
+    }
+    InternSubdivide(&inmeshes.front(),inmeshes.size(),&outmeshes.front(),num);
+    for (unsigned int i = 0; i < maptbl.size(); ++i) {
+        ai_assert(nullptr != outmeshes[i]);
+        out[maptbl[i]] = outmeshes[i];
+    }
+
+    if (discard_input) {
+        for (size_t s = 0; s < nmesh; ++s) {
+            delete smesh[s];
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Note - this is an implementation of the standard (recursive) Cm-Cl algorithm without further
+// optimizations (except we're using some nice LUTs). A description of the algorithm can be found
+// here: http://en.wikipedia.org/wiki/Catmull-Clark_subdivision_surface
+//
+// The code is mostly O(n), however parts are O(nlogn) which is therefore the algorithm's
+// expected total runtime complexity. The implementation is able to work in-place on the same
+// mesh arrays. Calling #InternSubdivide() directly is not encouraged. The code can operate
+// in-place unless 'smesh' and 'out' are equal (no strange overlaps or reorderings).
+// Previous data is replaced/deleted then.
+// ------------------------------------------------------------------------------------------------
+void CatmullClarkSubdivider::InternSubdivide (
+    const aiMesh* const * smesh,
+    size_t nmesh,
+    aiMesh** out,
+    unsigned int num
+    )
+{
+    ai_assert(NULL != smesh && NULL != out);
+    INIT_EDGE_HASH_TEMPORARIES();
+
+    // no subdivision requested or end of recursive refinement
+    if (!num) {
+        return;
+    }
+
+    UIntVector maptbl;
+    SpatialSort spatial;
+
+    // ---------------------------------------------------------------------
+    // 0. Offset table to index all meshes continuously, generate a spatially
+    // sorted representation of all vertices in all meshes.
+    // ---------------------------------------------------------------------
+    typedef std::pair<unsigned int,unsigned int> IntPair;
+    std::vector<IntPair> moffsets(nmesh);
+    unsigned int totfaces = 0, totvert = 0;
+    for (size_t t = 0; t < nmesh; ++t) {
+        const aiMesh* mesh = smesh[t];
+
+        spatial.Append(mesh->mVertices,mesh->mNumVertices,sizeof(aiVector3D),false);
+        moffsets[t] = IntPair(totfaces,totvert);
+
+        totfaces += mesh->mNumFaces;
+        totvert  += mesh->mNumVertices;
+    }
+
+    spatial.Finalize();
+    const unsigned int num_unique = spatial.GenerateMappingTable(maptbl,ComputePositionEpsilon(smesh,nmesh));
+
+
+#define FLATTEN_VERTEX_IDX(mesh_idx, vert_idx) (moffsets[mesh_idx].second+vert_idx)
+#define   FLATTEN_FACE_IDX(mesh_idx, face_idx) (moffsets[mesh_idx].first+face_idx)
+
+    // ---------------------------------------------------------------------
+    // 1. Compute the centroid point for all faces
+    // ---------------------------------------------------------------------
+    std::vector<Vertex> centroids(totfaces);
+    unsigned int nfacesout = 0;
+    for (size_t t = 0, n = 0; t < nmesh; ++t) {
+        const aiMesh* mesh = smesh[t];
+        for (unsigned int i = 0; i < mesh->mNumFaces;++i,++n)
+        {
+            const aiFace& face = mesh->mFaces[i];
+            Vertex& c = centroids[n];
+
+            for (unsigned int a = 0; a < face.mNumIndices;++a) {
+                c += Vertex(mesh,face.mIndices[a]);
+            }
+
+            c /= static_cast<float>(face.mNumIndices);
+            nfacesout += face.mNumIndices;
+        }
+    }
+
+    {
+    // we want edges to go away before the recursive calls so begin a new scope
+    EdgeMap edges;
+
+    // ---------------------------------------------------------------------
+    // 2. Set each edge point to be the average of all neighbouring
+    // face points and original points. Every edge exists twice
+    // if there is a neighboring face.
+    // ---------------------------------------------------------------------
+    for (size_t t = 0; t < nmesh; ++t) {
+        const aiMesh* mesh = smesh[t];
+
+        for (unsigned int i = 0; i < mesh->mNumFaces;++i)   {
+            const aiFace& face = mesh->mFaces[i];
+
+            for (unsigned int p =0; p< face.mNumIndices; ++p) {
+                const unsigned int id[] = {
+                    face.mIndices[p],
+                    face.mIndices[p==face.mNumIndices-1?0:p+1]
+                };
+                const unsigned int mp[] = {
+                    maptbl[FLATTEN_VERTEX_IDX(t,id[0])],
+                    maptbl[FLATTEN_VERTEX_IDX(t,id[1])]
+                };
+
+                Edge& e = edges[MAKE_EDGE_HASH(mp[0],mp[1])];
+                e.ref++;
+                if (e.ref<=2) {
+                    if (e.ref==1) { // original points (end points) - add only once
+                        e.edge_point = e.midpoint = Vertex(mesh,id[0])+Vertex(mesh,id[1]);
+                        e.midpoint *= 0.5f;
+                    }
+                    e.edge_point += centroids[FLATTEN_FACE_IDX(t,i)];
+                }
+            }
+        }
+    }
+
+    // ---------------------------------------------------------------------
+    // 3. Normalize edge points
+    // ---------------------------------------------------------------------
+    {unsigned int bad_cnt = 0;
+    for (EdgeMap::iterator it = edges.begin(); it != edges.end(); ++it) {
+        if ((*it).second.ref < 2) {
+            ai_assert((*it).second.ref);
+            ++bad_cnt;
+        }
+        (*it).second.edge_point *= 1.f/((*it).second.ref+2.f);
+    }
+
+    if (bad_cnt) {
+        // Report the number of bad edges. bad edges are referenced by less than two
+        // faces in the mesh. They occur at outer model boundaries in non-closed
+        // shapes.
+        ASSIMP_LOG_DEBUG_F("Catmull-Clark Subdivider: got ", bad_cnt, " bad edges touching only one face (totally ", 
+            static_cast<unsigned int>(edges.size()), " edges). ");
+    }}
+
+    // ---------------------------------------------------------------------
+    // 4. Compute a vertex-face adjacency table. We can't reuse the code
+    // from VertexTriangleAdjacency because we need the table for multiple
+    // meshes and out vertex indices need to be mapped to distinct values
+    // first.
+    // ---------------------------------------------------------------------
+    UIntVector faceadjac(nfacesout), cntadjfac(maptbl.size(),0), ofsadjvec(maptbl.size()+1,0); {
+    for (size_t t = 0; t < nmesh; ++t) {
+        const aiMesh* const minp = smesh[t];
+        for (unsigned int i = 0; i < minp->mNumFaces; ++i) {
+
+            const aiFace& f = minp->mFaces[i];
+            for (unsigned int n = 0; n < f.mNumIndices; ++n) {
+                ++cntadjfac[maptbl[FLATTEN_VERTEX_IDX(t,f.mIndices[n])]];
+            }
+        }
+    }
+    unsigned int cur = 0;
+    for (size_t i = 0; i < cntadjfac.size(); ++i) {
+        ofsadjvec[i+1] = cur;
+        cur += cntadjfac[i];
+    }
+    for (size_t t = 0; t < nmesh; ++t) {
+        const aiMesh* const minp = smesh[t];
+        for (unsigned int i = 0; i < minp->mNumFaces; ++i) {
+
+            const aiFace& f = minp->mFaces[i];
+            for (unsigned int n = 0; n < f.mNumIndices; ++n) {
+                faceadjac[ofsadjvec[1+maptbl[FLATTEN_VERTEX_IDX(t,f.mIndices[n])]]++] = FLATTEN_FACE_IDX(t,i);
+            }
+        }
+    }
+
+    // check the other way round for consistency
+#ifdef ASSIMP_BUILD_DEBUG
+
+    for (size_t t = 0; t < ofsadjvec.size()-1; ++t) {
+        for (unsigned int m = 0; m <  cntadjfac[t]; ++m) {
+            const unsigned int fidx = faceadjac[ofsadjvec[t]+m];
+            ai_assert(fidx < totfaces);
+            for (size_t n = 1; n < nmesh; ++n) {
+
+                if (moffsets[n].first > fidx) {
+                    const aiMesh* msh = smesh[--n];
+                    const aiFace& f = msh->mFaces[fidx-moffsets[n].first];
+
+                    bool haveit = false;
+                    for (unsigned int i = 0; i < f.mNumIndices; ++i) {
+                        if (maptbl[FLATTEN_VERTEX_IDX(n,f.mIndices[i])]==(unsigned int)t) {
+                            haveit = true;
+                            break;
+                        }
+                    }
+                    ai_assert(haveit);
+                    if (!haveit) {
+                        ASSIMP_LOG_DEBUG("Catmull-Clark Subdivider: Index not used");
+                    }
+                    break;
+                }
+            }
+        }
+    }
+
+#endif
+    }
+
+#define GET_ADJACENT_FACES_AND_CNT(vidx,fstartout,numout) \
+    fstartout = &faceadjac[ofsadjvec[vidx]], numout = cntadjfac[vidx]
+
+    typedef std::pair<bool,Vertex> TouchedOVertex;
+    std::vector<TouchedOVertex > new_points(num_unique,TouchedOVertex(false,Vertex()));
+    // ---------------------------------------------------------------------
+    // 5. Spawn a quad from each face point to the corresponding edge points
+    // the original points being the fourth quad points.
+    // ---------------------------------------------------------------------
+    for (size_t t = 0; t < nmesh; ++t) {
+        const aiMesh* const minp = smesh[t];
+        aiMesh* const mout = out[t] = new aiMesh();
+
+        for (unsigned int a  = 0; a < minp->mNumFaces; ++a) {
+            mout->mNumFaces += minp->mFaces[a].mNumIndices;
+        }
+
+        // We need random access to the old face buffer, so reuse is not possible.
+        mout->mFaces = new aiFace[mout->mNumFaces];
+
+        mout->mNumVertices = mout->mNumFaces*4;
+        mout->mVertices = new aiVector3D[mout->mNumVertices];
+
+        // quads only, keep material index
+        mout->mPrimitiveTypes = aiPrimitiveType_POLYGON;
+        mout->mMaterialIndex = minp->mMaterialIndex;
+
+        if (minp->HasNormals()) {
+            mout->mNormals = new aiVector3D[mout->mNumVertices];
+        }
+
+        if (minp->HasTangentsAndBitangents()) {
+            mout->mTangents = new aiVector3D[mout->mNumVertices];
+            mout->mBitangents = new aiVector3D[mout->mNumVertices];
+        }
+
+        for(unsigned int i = 0; minp->HasTextureCoords(i); ++i) {
+            mout->mTextureCoords[i] = new aiVector3D[mout->mNumVertices];
+            mout->mNumUVComponents[i] = minp->mNumUVComponents[i];
+        }
+
+        for(unsigned int i = 0; minp->HasVertexColors(i); ++i) {
+            mout->mColors[i] = new aiColor4D[mout->mNumVertices];
+        }
+
+        mout->mNumVertices = mout->mNumFaces<<2u;
+        for (unsigned int i = 0, v = 0, n = 0; i < minp->mNumFaces;++i) {
+
+            const aiFace& face = minp->mFaces[i];
+            for (unsigned int a = 0; a < face.mNumIndices;++a)  {
+
+                // Get a clean new face.
+                aiFace& faceOut = mout->mFaces[n++];
+                faceOut.mIndices = new unsigned int [faceOut.mNumIndices = 4];
+
+                // Spawn a new quadrilateral (ccw winding) for this original point between:
+                // a) face centroid
+                centroids[FLATTEN_FACE_IDX(t,i)].SortBack(mout,faceOut.mIndices[0]=v++);
+
+                // b) adjacent edge on the left, seen from the centroid
+                const Edge& e0 = edges[MAKE_EDGE_HASH(maptbl[FLATTEN_VERTEX_IDX(t,face.mIndices[a])],
+                    maptbl[FLATTEN_VERTEX_IDX(t,face.mIndices[a==face.mNumIndices-1?0:a+1])
+                    ])];  // fixme: replace with mod face.mNumIndices?
+
+                // c) adjacent edge on the right, seen from the centroid
+                const Edge& e1 = edges[MAKE_EDGE_HASH(maptbl[FLATTEN_VERTEX_IDX(t,face.mIndices[a])],
+                    maptbl[FLATTEN_VERTEX_IDX(t,face.mIndices[!a?face.mNumIndices-1:a-1])
+                    ])];  // fixme: replace with mod face.mNumIndices?
+
+                e0.edge_point.SortBack(mout,faceOut.mIndices[3]=v++);
+                e1.edge_point.SortBack(mout,faceOut.mIndices[1]=v++);
+
+                // d= original point P with distinct index i
+                // F := 0
+                // R := 0
+                // n := 0
+                // for each face f containing i
+                //    F := F+ centroid of f
+                //    R := R+ midpoint of edge of f from i to i+1
+                //    n := n+1
+                //
+                // (F+2R+(n-3)P)/n
+                const unsigned int org = maptbl[FLATTEN_VERTEX_IDX(t,face.mIndices[a])];
+                TouchedOVertex& ov = new_points[org];
+
+                if (!ov.first) {
+                    ov.first = true;
+
+                    const unsigned int* adj; unsigned int cnt;
+                    GET_ADJACENT_FACES_AND_CNT(org,adj,cnt);
+
+                    if (cnt < 3) {
+                        ov.second = Vertex(minp,face.mIndices[a]);
+                    }
+                    else {
+
+                        Vertex F,R;
+                        for (unsigned int o = 0; o < cnt; ++o) {
+                            ai_assert(adj[o] < totfaces);
+                            F += centroids[adj[o]];
+
+                            // adj[0] is a global face index - search the face in the mesh list
+                            const aiMesh* mp = NULL;
+                            size_t nidx;
+
+                            if (adj[o] < moffsets[0].first) {
+                                mp = smesh[nidx=0];
+                            }
+                            else {
+                                for (nidx = 1; nidx<= nmesh; ++nidx) {
+                                    if (nidx == nmesh ||moffsets[nidx].first > adj[o]) {
+                                        mp = smesh[--nidx];
+                                        break;
+                                    }
+                                }
+                            }
+
+                            ai_assert(adj[o]-moffsets[nidx].first < mp->mNumFaces);
+                            const aiFace& f = mp->mFaces[adj[o]-moffsets[nidx].first];
+                            bool haveit = false;
+
+                            // find our original point in the face
+                            for (unsigned int m = 0; m < f.mNumIndices; ++m) {
+                                if (maptbl[FLATTEN_VERTEX_IDX(nidx,f.mIndices[m])] == org) {
+
+                                    // add *both* edges. this way, we can be sure that we add
+                                    // *all* adjacent edges to R. In a closed shape, every
+                                    // edge is added twice - so we simply leave out the
+                                    // factor 2.f in the amove formula and get the right
+                                    // result.
+
+                                    const Edge& c0 = edges[MAKE_EDGE_HASH(org,maptbl[FLATTEN_VERTEX_IDX(
+                                        nidx,f.mIndices[!m?f.mNumIndices-1:m-1])])];
+                                    // fixme: replace with mod face.mNumIndices?
+
+                                    const Edge& c1 = edges[MAKE_EDGE_HASH(org,maptbl[FLATTEN_VERTEX_IDX(
+                                        nidx,f.mIndices[m==f.mNumIndices-1?0:m+1])])];
+                                    // fixme: replace with mod face.mNumIndices?
+                                    R += c0.midpoint+c1.midpoint;
+
+                                    haveit = true;
+                                    break;
+                                }
+                            }
+
+                            // this invariant *must* hold if the vertex-to-face adjacency table is valid
+                            ai_assert(haveit);
+                            if ( !haveit ) {
+                                ASSIMP_LOG_WARN( "OBJ: no name for material library specified." );
+                            }
+                        }
+
+                        const float div = static_cast<float>(cnt), divsq = 1.f/(div*div);
+                        ov.second = Vertex(minp,face.mIndices[a])*((div-3.f) / div) + R*divsq + F*divsq;
+                    }
+                }
+                ov.second.SortBack(mout,faceOut.mIndices[2]=v++);
+            }
+        }
+    }
+    }  // end of scope for edges, freeing its memory
+
+    // ---------------------------------------------------------------------
+    // 7. Apply the next subdivision step.
+    // ---------------------------------------------------------------------
+    if (num != 1) {
+        std::vector<aiMesh*> tmp(nmesh);
+        InternSubdivide (out,nmesh,&tmp.front(),num-1);
+        for (size_t i = 0; i < nmesh; ++i) {
+            delete out[i];
+            out[i] = tmp[i];
+        }
+    }
+}
diff --git a/thirdparty/assimp/code/TargetAnimation.cpp b/thirdparty/assimp/code/TargetAnimation.cpp
new file mode 100644
index 0000000000..b8062499ff
--- /dev/null
+++ b/thirdparty/assimp/code/TargetAnimation.cpp
@@ -0,0 +1,248 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#include "TargetAnimation.h"
+#include <algorithm>
+#include <assimp/ai_assert.h>
+
+using namespace Assimp;
+
+
+// ------------------------------------------------------------------------------------------------
+KeyIterator::KeyIterator(const std::vector<aiVectorKey>* _objPos,
+    const std::vector<aiVectorKey>* _targetObjPos,
+    const aiVector3D*  defaultObjectPos /*= NULL*/,
+    const aiVector3D*  defaultTargetPos /*= NULL*/)
+
+        :   reachedEnd      (false)
+        ,   curTime         (-1.)
+        ,   objPos          (_objPos)
+        ,   targetObjPos    (_targetObjPos)
+        ,   nextObjPos      (0)
+        ,   nextTargetObjPos(0)
+{
+    // Generate default transformation tracks if necessary
+    if (!objPos || objPos->empty())
+    {
+        defaultObjPos.resize(1);
+        defaultObjPos.front().mTime  = 10e10;
+
+        if (defaultObjectPos)
+            defaultObjPos.front().mValue = *defaultObjectPos;
+
+        objPos = & defaultObjPos;
+    }
+    if (!targetObjPos || targetObjPos->empty())
+    {
+        defaultTargetObjPos.resize(1);
+        defaultTargetObjPos.front().mTime  = 10e10;
+
+        if (defaultTargetPos)
+            defaultTargetObjPos.front().mValue = *defaultTargetPos;
+
+        targetObjPos = & defaultTargetObjPos;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <class T>
+inline T Interpolate(const T& one, const T& two, ai_real val)
+{
+    return one + (two-one)*val;
+}
+
+// ------------------------------------------------------------------------------------------------
+void KeyIterator::operator ++()
+{
+    // If we are already at the end of all keyframes, return
+    if (reachedEnd) {
+        return;
+    }
+
+    // Now search in all arrays for the time value closest
+    // to our current position on the time line
+    double d0,d1;
+
+    d0 = objPos->at      ( std::min ( nextObjPos, static_cast<unsigned int>(objPos->size()-1))             ).mTime;
+    d1 = targetObjPos->at( std::min ( nextTargetObjPos, static_cast<unsigned int>(targetObjPos->size()-1)) ).mTime;
+
+    // Easiest case - all are identical. In this
+    // case we don't need to interpolate so we can
+    // return earlier
+    if ( d0 == d1 )
+    {
+        curTime = d0;
+        curPosition = objPos->at(nextObjPos).mValue;
+        curTargetPosition = targetObjPos->at(nextTargetObjPos).mValue;
+
+        // increment counters
+        if (objPos->size() != nextObjPos-1)
+            ++nextObjPos;
+
+        if (targetObjPos->size() != nextTargetObjPos-1)
+            ++nextTargetObjPos;
+    }
+
+    // An object position key is closest to us
+    else if (d0 < d1)
+    {
+        curTime = d0;
+
+        // interpolate the other
+        if (1 == targetObjPos->size() || !nextTargetObjPos) {
+            curTargetPosition = targetObjPos->at(0).mValue;
+        }
+        else
+        {
+            const aiVectorKey& last  = targetObjPos->at(nextTargetObjPos);
+            const aiVectorKey& first = targetObjPos->at(nextTargetObjPos-1);
+
+            curTargetPosition = Interpolate(first.mValue, last.mValue, (ai_real) (
+                (curTime-first.mTime) / (last.mTime-first.mTime) ));
+        }
+
+        if (objPos->size() != nextObjPos-1)
+            ++nextObjPos;
+    }
+    // A target position key is closest to us
+    else
+    {
+        curTime = d1;
+
+        // interpolate the other
+        if (1 == objPos->size() || !nextObjPos) {
+            curPosition = objPos->at(0).mValue;
+        }
+        else
+        {
+            const aiVectorKey& last  = objPos->at(nextObjPos);
+            const aiVectorKey& first = objPos->at(nextObjPos-1);
+
+            curPosition = Interpolate(first.mValue, last.mValue, (ai_real) (
+                (curTime-first.mTime) / (last.mTime-first.mTime)));
+        }
+
+        if (targetObjPos->size() != nextTargetObjPos-1)
+            ++nextTargetObjPos;
+    }
+
+    if (nextObjPos >= objPos->size()-1 &&
+        nextTargetObjPos >= targetObjPos->size()-1)
+    {
+        // We reached the very last keyframe
+        reachedEnd = true;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void TargetAnimationHelper::SetTargetAnimationChannel (
+    const std::vector<aiVectorKey>* _targetPositions)
+{
+    ai_assert(NULL != _targetPositions);
+    targetPositions = _targetPositions;
+}
+
+// ------------------------------------------------------------------------------------------------
+void TargetAnimationHelper::SetMainAnimationChannel (
+    const std::vector<aiVectorKey>* _objectPositions)
+{
+    ai_assert(NULL != _objectPositions);
+    objectPositions = _objectPositions;
+}
+
+// ------------------------------------------------------------------------------------------------
+void TargetAnimationHelper::SetFixedMainAnimationChannel(
+    const aiVector3D& fixed)
+{
+    objectPositions = NULL; // just to avoid confusion
+    fixedMain = fixed;
+}
+
+// ------------------------------------------------------------------------------------------------
+void TargetAnimationHelper::Process(std::vector<aiVectorKey>* distanceTrack)
+{
+    ai_assert(NULL != targetPositions && NULL != distanceTrack);
+
+    // TODO: in most cases we won't need the extra array
+    std::vector<aiVectorKey>  real;
+
+    std::vector<aiVectorKey>* fill = (distanceTrack == objectPositions ? &real : distanceTrack);
+    fill->reserve(std::max( objectPositions->size(), targetPositions->size() ));
+
+    // Iterate through all object keys and interpolate their values if necessary.
+    // Then get the corresponding target position, compute the difference
+    // vector between object and target position. Then compute a rotation matrix
+    // that rotates the base vector of the object coordinate system at that time
+    // to match the diff vector.
+
+    KeyIterator iter(objectPositions,targetPositions,&fixedMain);
+    for (;!iter.Finished();++iter)
+    {
+        const aiVector3D&  position  = iter.GetCurPosition();
+        const aiVector3D&  tposition = iter.GetCurTargetPosition();
+
+        // diff vector
+        aiVector3D diff = tposition - position;
+        ai_real f = diff.Length();
+
+        // output distance vector
+        if (f)
+        {
+            fill->push_back(aiVectorKey());
+            aiVectorKey& v = fill->back();
+            v.mTime  = iter.GetCurTime();
+            v.mValue = diff;
+
+            diff /= f;
+        }
+        else
+        {
+            // FIXME: handle this
+        }
+
+        // diff is now the vector in which our camera is pointing
+    }
+
+    if (real.size()) {
+        *distanceTrack = real;
+    }
+}
diff --git a/thirdparty/assimp/code/TargetAnimation.h b/thirdparty/assimp/code/TargetAnimation.h
new file mode 100644
index 0000000000..91634ab5aa
--- /dev/null
+++ b/thirdparty/assimp/code/TargetAnimation.h
@@ -0,0 +1,183 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a helper class for the ASE and 3DS loaders to
+ help them compute camera and spot light animation channels */
+#ifndef AI_TARGET_ANIMATION_H_INC
+#define AI_TARGET_ANIMATION_H_INC
+
+#include <assimp/anim.h>
+#include <vector>
+
+namespace Assimp    {
+
+
+
+// ---------------------------------------------------------------------------
+/** Helper class to iterate through all keys in an animation channel.
+ *
+ *  Missing tracks are interpolated. This is a helper class for
+ *  TargetAnimationHelper, but it can be freely used for other purposes.
+*/
+class KeyIterator
+{
+public:
+
+
+    // ------------------------------------------------------------------
+    /** Constructs a new key iterator
+     *
+     *  @param _objPos Object position track. May be NULL.
+     *  @param _targetObjPos Target object position track. May be NULL.
+     *  @param defaultObjectPos Default object position to be used if
+     *    no animated track is available. May be NULL.
+     *  @param defaultTargetPos Default target position to be used if
+     *    no animated track is available. May be NULL.
+     */
+    KeyIterator(const std::vector<aiVectorKey>* _objPos,
+        const std::vector<aiVectorKey>* _targetObjPos,
+        const aiVector3D*  defaultObjectPos = NULL,
+        const aiVector3D*  defaultTargetPos = NULL);
+
+    // ------------------------------------------------------------------
+    /** Returns true if all keys have been processed
+     */
+    bool Finished() const
+        {return reachedEnd;}
+
+    // ------------------------------------------------------------------
+    /** Increment the iterator
+     */
+    void operator++();
+    inline void operator++(int)
+        {return ++(*this);}
+
+
+
+    // ------------------------------------------------------------------
+    /** Getters to retrieve the current state of the iterator
+     */
+    inline const aiVector3D& GetCurPosition() const
+        {return curPosition;}
+
+    inline const aiVector3D& GetCurTargetPosition() const
+        {return curTargetPosition;}
+
+    inline double GetCurTime() const
+        {return curTime;}
+
+private:
+
+    //! Did we reach the end?
+    bool reachedEnd;
+
+    //! Represents the current position of the iterator
+    aiVector3D curPosition, curTargetPosition;
+
+    double curTime;
+
+    //! Input tracks and the next key to process
+    const std::vector<aiVectorKey>* objPos,*targetObjPos;
+
+    unsigned int nextObjPos, nextTargetObjPos;
+    std::vector<aiVectorKey> defaultObjPos,defaultTargetObjPos;
+};
+
+// ---------------------------------------------------------------------------
+/** Helper class for the 3DS and ASE loaders to compute camera and spot light
+ *  animations.
+ *
+ * 3DS and ASE store the differently to Assimp - there is an animation
+ * channel for the camera/spot light itself and a separate position
+ * animation channels specifying the position of the camera/spot light
+ * look-at target */
+class TargetAnimationHelper
+{
+public:
+
+    TargetAnimationHelper()
+        :   targetPositions     (NULL)
+        ,   objectPositions     (NULL)
+    {}
+
+
+    // ------------------------------------------------------------------
+    /** Sets the target animation channel
+     *
+     *  This channel specifies the position of the camera/spot light
+     *  target at a specific position.
+     *
+     *  @param targetPositions Translation channel*/
+    void SetTargetAnimationChannel (const
+        std::vector<aiVectorKey>* targetPositions);
+
+
+    // ------------------------------------------------------------------
+    /** Sets the main animation channel
+     *
+     *  @param objectPositions Translation channel */
+    void SetMainAnimationChannel ( const
+        std::vector<aiVectorKey>* objectPositions);
+
+    // ------------------------------------------------------------------
+    /** Sets the main animation channel to a fixed value
+     *
+     *  @param fixed Fixed value for the main animation channel*/
+    void SetFixedMainAnimationChannel(const aiVector3D& fixed);
+
+
+    // ------------------------------------------------------------------
+    /** Computes final animation channels
+     * @param distanceTrack Receive camera translation keys ... != NULL. */
+    void Process( std::vector<aiVectorKey>* distanceTrack );
+
+
+private:
+
+    const std::vector<aiVectorKey>* targetPositions,*objectPositions;
+    aiVector3D fixedMain;
+};
+
+
+} // ! end namespace Assimp
+
+#endif // include guard
diff --git a/thirdparty/assimp/code/TextureTransform.cpp b/thirdparty/assimp/code/TextureTransform.cpp
new file mode 100644
index 0000000000..8ae2ba7218
--- /dev/null
+++ b/thirdparty/assimp/code/TextureTransform.cpp
@@ -0,0 +1,566 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file A helper class that processes texture transformations */
+
+
+
+#include <assimp/Importer.hpp>
+#include <assimp/postprocess.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/scene.h>
+
+#include "TextureTransform.h"
+#include <assimp/StringUtils.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+TextureTransformStep::TextureTransformStep() :
+    configFlags()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+TextureTransformStep::~TextureTransformStep()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool TextureTransformStep::IsActive( unsigned int pFlags) const
+{
+    return  (pFlags & aiProcess_TransformUVCoords) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Setup properties
+void TextureTransformStep::SetupProperties(const Importer* pImp)
+{
+    configFlags = pImp->GetPropertyInteger(AI_CONFIG_PP_TUV_EVALUATE,AI_UVTRAFO_ALL);
+}
+
+// ------------------------------------------------------------------------------------------------
+void TextureTransformStep::PreProcessUVTransform(STransformVecInfo& info)
+{
+    /*  This function tries to simplify the input UV transformation.
+     *  That's very important as it allows us to reduce the number
+     *  of output UV channels. The order in which the transformations
+     *  are applied is - as always - scaling, rotation, translation.
+     */
+
+    char szTemp[512];
+    int rounded = 0;
+
+
+    /* Optimize the rotation angle. That's slightly difficult as
+     * we have an inprecise floating-point number (when comparing
+     * UV transformations we'll take that into account by using
+     * an epsilon of 5 degrees). If there is a rotation value, we can't
+     * perform any further optimizations.
+     */
+    if (info.mRotation)
+    {
+        float out = info.mRotation;
+        if ((rounded = static_cast<int>((info.mRotation / static_cast<float>(AI_MATH_TWO_PI)))))
+        {
+            out -= rounded * static_cast<float>(AI_MATH_PI);
+            ASSIMP_LOG_INFO_F("Texture coordinate rotation ", info.mRotation, " can be simplified to ", out);
+        }
+
+        // Next step - convert negative rotation angles to positives
+        if (out < 0.f)
+            out = (float)AI_MATH_TWO_PI * 2 + out;
+
+        info.mRotation = out;
+        return;
+    }
+
+
+    /* Optimize UV translation in the U direction. To determine whether
+     * or not we can optimize we need to look at the requested mapping
+     * type (e.g. if mirroring is active there IS a difference between
+     * offset 2 and 3)
+     */
+    if ((rounded  = (int)info.mTranslation.x))  {
+        float out = 0.0f;
+        szTemp[0] = 0;
+        if (aiTextureMapMode_Wrap == info.mapU) {
+            // Wrap - simple take the fraction of the field
+            out = info.mTranslation.x-(float)rounded;
+			ai_snprintf(szTemp, 512, "[w] UV U offset %f can be simplified to %f", info.mTranslation.x, out);
+        }
+        else if (aiTextureMapMode_Mirror == info.mapU && 1 != rounded)  {
+            // Mirror
+            if (rounded % 2)
+                rounded--;
+            out = info.mTranslation.x-(float)rounded;
+
+            ai_snprintf(szTemp,512,"[m/d] UV U offset %f can be simplified to %f",info.mTranslation.x,out);
+        }
+        else if (aiTextureMapMode_Clamp == info.mapU || aiTextureMapMode_Decal == info.mapU)    {
+            // Clamp - translations beyond 1,1 are senseless
+            ai_snprintf(szTemp,512,"[c] UV U offset %f can be clamped to 1.0f",info.mTranslation.x);
+
+            out = 1.f;
+        }
+        if (szTemp[0])      {
+            ASSIMP_LOG_INFO(szTemp);
+            info.mTranslation.x = out;
+        }
+    }
+
+    /* Optimize UV translation in the V direction. To determine whether
+     * or not we can optimize we need to look at the requested mapping
+     * type (e.g. if mirroring is active there IS a difference between
+     * offset 2 and 3)
+     */
+    if ((rounded  = (int)info.mTranslation.y))  {
+        float out = 0.0f;
+        szTemp[0] = 0;
+        if (aiTextureMapMode_Wrap == info.mapV) {
+            // Wrap - simple take the fraction of the field
+            out = info.mTranslation.y-(float)rounded;
+            ::ai_snprintf(szTemp,512,"[w] UV V offset %f can be simplified to %f",info.mTranslation.y,out);
+        }
+        else if (aiTextureMapMode_Mirror == info.mapV  && 1 != rounded) {
+            // Mirror
+            if (rounded % 2)
+                rounded--;
+            out = info.mTranslation.x-(float)rounded;
+
+            ::ai_snprintf(szTemp,512,"[m/d] UV V offset %f can be simplified to %f",info.mTranslation.y,out);
+        }
+        else if (aiTextureMapMode_Clamp == info.mapV || aiTextureMapMode_Decal == info.mapV)    {
+            // Clamp - translations beyond 1,1 are senseless
+            ::ai_snprintf(szTemp,512,"[c] UV V offset %f canbe clamped to 1.0f",info.mTranslation.y);
+
+            out = 1.f;
+        }
+        if (szTemp[0])  {
+            ASSIMP_LOG_INFO(szTemp);
+            info.mTranslation.y = out;
+        }
+    }
+    return;
+}
+
+// ------------------------------------------------------------------------------------------------
+void UpdateUVIndex(const std::list<TTUpdateInfo>& l, unsigned int n)
+{
+    // Don't set if == 0 && wasn't set before
+    for (std::list<TTUpdateInfo>::const_iterator it = l.begin();it != l.end(); ++it) {
+        const TTUpdateInfo& info = *it;
+
+        if (info.directShortcut)
+            *info.directShortcut = n;
+        else if (!n)
+        {
+            info.mat->AddProperty<int>((int*)&n,1,AI_MATKEY_UVWSRC(info.semantic,info.index));
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+inline const char* MappingModeToChar(aiTextureMapMode map)
+{
+    if (aiTextureMapMode_Wrap == map)
+        return "-w";
+
+    if (aiTextureMapMode_Mirror == map)
+        return "-m";
+
+    return "-c";
+}
+
+// ------------------------------------------------------------------------------------------------
+void TextureTransformStep::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("TransformUVCoordsProcess begin");
+
+
+    /*  We build a per-mesh list of texture transformations we'll need
+     *  to apply. To achieve this, we iterate through all materials,
+     *  find all textures and get their transformations and UV indices.
+     *  Then we search for all meshes using this material.
+     */
+    typedef std::list<STransformVecInfo> MeshTrafoList;
+    std::vector<MeshTrafoList> meshLists(pScene->mNumMeshes);
+
+    for (unsigned int i = 0; i < pScene->mNumMaterials;++i) {
+
+        aiMaterial* mat = pScene->mMaterials[i];
+        for (unsigned int a = 0; a < mat->mNumProperties;++a)   {
+
+            aiMaterialProperty* prop = mat->mProperties[a];
+            if (!::strcmp( prop->mKey.data, "$tex.file"))   {
+                STransformVecInfo info;
+
+                // Setup a shortcut structure to allow for a fast updating
+                // of the UV index later
+                TTUpdateInfo update;
+                update.mat = (aiMaterial*) mat;
+                update.semantic = prop->mSemantic;
+                update.index = prop->mIndex;
+
+                // Get textured properties and transform
+                for (unsigned int a2 = 0; a2 < mat->mNumProperties;++a2)  {
+                    aiMaterialProperty* prop2 = mat->mProperties[a2];
+                    if (prop2->mSemantic != prop->mSemantic || prop2->mIndex != prop->mIndex) {
+                        continue;
+                    }
+
+                    if ( !::strcmp( prop2->mKey.data, "$tex.uvwsrc")) {
+                        info.uvIndex = *((int*)prop2->mData);
+
+                        // Store a direct pointer for later use
+                        update.directShortcut = (unsigned int*) prop2->mData;
+                    }
+
+                    else if ( !::strcmp( prop2->mKey.data, "$tex.mapmodeu")) {
+                        info.mapU = *((aiTextureMapMode*)prop2->mData);
+                    }
+                    else if ( !::strcmp( prop2->mKey.data, "$tex.mapmodev")) {
+                        info.mapV = *((aiTextureMapMode*)prop2->mData);
+                    }
+                    else if ( !::strcmp( prop2->mKey.data, "$tex.uvtrafo"))  {
+                        // ValidateDS should check this
+                        ai_assert(prop2->mDataLength >= 20);
+                        ::memcpy(&info.mTranslation.x,prop2->mData,sizeof(float)*5);
+
+                        // Directly remove this property from the list
+                        mat->mNumProperties--;
+                        for (unsigned int a3 = a2; a3 < mat->mNumProperties;++a3) {
+                            mat->mProperties[a3] = mat->mProperties[a3+1];
+                        }
+
+                        delete prop2;
+
+                        // Warn: could be an underflow, but this does not invoke undefined behaviour
+                        --a2;
+                    }
+                }
+
+                // Find out which transformations are to be evaluated
+                if (!(configFlags & AI_UVTRAFO_ROTATION)) {
+                    info.mRotation = 0.f;
+                }
+                if (!(configFlags & AI_UVTRAFO_SCALING)) {
+                    info.mScaling = aiVector2D(1.f,1.f);
+                }
+                if (!(configFlags & AI_UVTRAFO_TRANSLATION)) {
+                    info.mTranslation = aiVector2D(0.f,0.f);
+                }
+
+                // Do some preprocessing
+                PreProcessUVTransform(info);
+                info.uvIndex = std::min(info.uvIndex,AI_MAX_NUMBER_OF_TEXTURECOORDS -1u);
+
+                // Find out whether this material is used by more than
+                // one mesh. This will make our task much, much more difficult!
+                unsigned int cnt = 0;
+                for (unsigned int n = 0; n < pScene->mNumMeshes;++n)    {
+                    if (pScene->mMeshes[n]->mMaterialIndex == i)
+                        ++cnt;
+                }
+
+                if (!cnt)
+                    continue;
+                else if (1 != cnt)  {
+                    // This material is referenced by more than one mesh!
+                    // So we need to make sure the UV index for the texture
+                    // is identical for each of it ...
+                    info.lockedPos = AI_TT_UV_IDX_LOCK_TBD;
+                }
+
+                // Get all corresponding meshes
+                for (unsigned int n = 0; n < pScene->mNumMeshes;++n)    {
+                    aiMesh* mesh = pScene->mMeshes[n];
+                    if (mesh->mMaterialIndex != i || !mesh->mTextureCoords[0])
+                        continue;
+
+                    unsigned int uv = info.uvIndex;
+                    if (!mesh->mTextureCoords[uv])  {
+                        // If the requested UV index is not available, take the first one instead.
+                        uv = 0;
+                    }
+
+                    if (mesh->mNumUVComponents[info.uvIndex] >= 3){
+                        ASSIMP_LOG_WARN("UV transformations on 3D mapping channels are not supported");
+                        continue;
+                    }
+
+                    MeshTrafoList::iterator it;
+
+                    // Check whether we have this transform setup already
+                    for (it = meshLists[n].begin();it != meshLists[n].end(); ++it)  {
+
+                        if ((*it) == info && (*it).uvIndex == uv)   {
+                            (*it).updateList.push_back(update);
+                            break;
+                        }
+                    }
+
+                    if (it == meshLists[n].end())   {
+                        meshLists[n].push_back(info);
+                        meshLists[n].back().uvIndex = uv;
+                        meshLists[n].back().updateList.push_back(update);
+                    }
+                }
+            }
+        }
+    }
+
+    char buffer[1024]; // should be sufficiently large
+    unsigned int outChannels = 0, inChannels = 0, transformedChannels = 0;
+
+    // Now process all meshes. Important: we don't remove unreferenced UV channels.
+    // This is a job for the RemoveUnreferencedData-Step.
+    for (unsigned int q = 0; q < pScene->mNumMeshes;++q)    {
+
+        aiMesh* mesh = pScene->mMeshes[q];
+        MeshTrafoList& trafo =  meshLists[q];
+
+        inChannels += mesh->GetNumUVChannels();
+
+        if (!mesh->mTextureCoords[0] || trafo.empty() ||  (trafo.size() == 1 && trafo.begin()->IsUntransformed())) {
+            outChannels += mesh->GetNumUVChannels();
+            continue;
+        }
+
+        // Move untransformed UV channels to the first position in the list ....
+        // except if we need a new locked index which should be as small as possible
+        bool veto = false, need = false;
+        unsigned int cnt = 0;
+        unsigned int untransformed = 0;
+
+        MeshTrafoList::iterator it,it2;
+        for (it = trafo.begin();it != trafo.end(); ++it,++cnt)  {
+
+            if (!(*it).IsUntransformed()) {
+                need = true;
+            }
+
+            if ((*it).lockedPos == AI_TT_UV_IDX_LOCK_TBD)   {
+                // Lock this index and make sure it won't be changed
+                (*it).lockedPos = cnt;
+                veto = true;
+                continue;
+            }
+
+            if (!veto && it != trafo.begin() && (*it).IsUntransformed())    {
+                for (it2 = trafo.begin();it2 != it; ++it2) {
+                    if (!(*it2).IsUntransformed())
+                        break;
+                }
+                trafo.insert(it2,*it);
+                trafo.erase(it);
+                break;
+            }
+        }
+        if (!need)
+            continue;
+
+        // Find all that are not at their 'locked' position and move them to it.
+        // Conflicts are possible but quite unlikely.
+        cnt = 0;
+        for (it = trafo.begin();it != trafo.end(); ++it,++cnt) {
+            if ((*it).lockedPos != AI_TT_UV_IDX_LOCK_NONE && (*it).lockedPos != cnt) {
+                it2 = trafo.begin();unsigned int t = 0;
+                while (t != (*it).lockedPos)
+                    ++it2;
+
+                if ((*it2).lockedPos != AI_TT_UV_IDX_LOCK_NONE) {
+                    ASSIMP_LOG_ERROR("Channel mismatch, can't compute all transformations properly [design bug]");
+                    continue;
+                }
+
+                std::swap(*it2,*it);
+                if ((*it).lockedPos == untransformed)
+                    untransformed = cnt;
+            }
+        }
+
+        // ... and add dummies for all unreferenced channels
+        // at the end of the list
+        bool ref[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS;++n)
+            ref[n] = (!mesh->mTextureCoords[n] ? true : false);
+
+        for (it = trafo.begin();it != trafo.end(); ++it)
+            ref[(*it).uvIndex] = true;
+
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS;++n) {
+            if (ref[n])
+                continue;
+            trafo.push_back(STransformVecInfo());
+            trafo.back().uvIndex = n;
+        }
+
+        // Then check whether this list breaks the channel limit.
+        // The unimportant ones are at the end of the list, so
+        // it shouldn't be too worse if we remove them.
+        unsigned int size = (unsigned int)trafo.size();
+        if (size > AI_MAX_NUMBER_OF_TEXTURECOORDS) {
+
+            if (!DefaultLogger::isNullLogger()) {
+                ASSIMP_LOG_ERROR_F(static_cast<unsigned int>(trafo.size()), " UV channels required but just ", 
+                    AI_MAX_NUMBER_OF_TEXTURECOORDS, " available");
+            }
+            size = AI_MAX_NUMBER_OF_TEXTURECOORDS;
+        }
+
+
+        aiVector3D* old[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+        for (unsigned int n = 0; n < AI_MAX_NUMBER_OF_TEXTURECOORDS;++n)
+            old[n] = mesh->mTextureCoords[n];
+
+        // Now continue and generate the output channels. Channels
+        // that we're not going to need later can be overridden.
+        it = trafo.begin();
+        for (unsigned int n = 0; n < trafo.size();++n,++it) {
+
+            if (n >= size)  {
+                // Try to use an untransformed channel for all channels we threw over board
+                UpdateUVIndex((*it).updateList,untransformed);
+                continue;
+            }
+
+            outChannels++;
+
+            // Write to the log
+            if (!DefaultLogger::isNullLogger()) {
+                ::ai_snprintf(buffer,1024,"Mesh %u, channel %u: t(%.3f,%.3f), s(%.3f,%.3f), r(%.3f), %s%s",
+                    q,n,
+                    (*it).mTranslation.x,
+                    (*it).mTranslation.y,
+                    (*it).mScaling.x,
+                    (*it).mScaling.y,
+                    AI_RAD_TO_DEG( (*it).mRotation),
+                    MappingModeToChar ((*it).mapU),
+                    MappingModeToChar ((*it).mapV));
+
+                ASSIMP_LOG_INFO(buffer);
+            }
+
+            // Check whether we need a new buffer here
+            if (mesh->mTextureCoords[n])    {
+
+                it2 = it;++it2;
+                for (unsigned int m = n+1; m < size;++m, ++it2) {
+
+                    if ((*it2).uvIndex == n){
+                        it2 = trafo.begin();
+                        break;
+                    }
+                }
+                if (it2 == trafo.begin()){
+                    mesh->mTextureCoords[n] = new aiVector3D[mesh->mNumVertices];
+                }
+            }
+            else mesh->mTextureCoords[n] = new aiVector3D[mesh->mNumVertices];
+
+            aiVector3D* src = old[(*it).uvIndex];
+            aiVector3D* dest, *end;
+            dest = mesh->mTextureCoords[n];
+
+            ai_assert(NULL != src);
+
+            // Copy the data to the destination array
+            if (dest != src)
+                ::memcpy(dest,src,sizeof(aiVector3D)*mesh->mNumVertices);
+
+            end = dest + mesh->mNumVertices;
+
+            // Build a transformation matrix and transform all UV coords with it
+            if (!(*it).IsUntransformed()) {
+                const aiVector2D& trl = (*it).mTranslation;
+                const aiVector2D& scl = (*it).mScaling;
+
+                // fixme: simplify ..
+                ++transformedChannels;
+                aiMatrix3x3 matrix;
+
+                aiMatrix3x3 m2,m3,m4,m5;
+
+                m4.a1 = scl.x;
+                m4.b2 = scl.y;
+
+                m2.a3 = m2.b3 = 0.5f;
+                m3.a3 = m3.b3 = -0.5f;
+
+                if ((*it).mRotation > AI_TT_ROTATION_EPSILON )
+                    aiMatrix3x3::RotationZ((*it).mRotation,matrix);
+
+                m5.a3 += trl.x; m5.b3 += trl.y;
+                matrix = m2 * m4 * matrix * m3 * m5;
+
+                for (src = dest; src != end; ++src) { /* manual homogenious divide */
+                    src->z = 1.f;
+                    *src = matrix * *src;
+                    src->x /= src->z;
+                    src->y /= src->z;
+                    src->z = 0.f;
+                }
+            }
+
+            // Update all UV indices
+            UpdateUVIndex((*it).updateList,n);
+        }
+    }
+
+    // Print some detailed statistics into the log
+    if (!DefaultLogger::isNullLogger()) {
+
+        if (transformedChannels)    {
+            ASSIMP_LOG_INFO_F("TransformUVCoordsProcess end: ", outChannels, " output channels (in: ", inChannels, ", modified: ", transformedChannels,")");
+        } else {
+            ASSIMP_LOG_DEBUG("TransformUVCoordsProcess finished");
+        }
+    }
+}
+
+
diff --git a/thirdparty/assimp/code/TextureTransform.h b/thirdparty/assimp/code/TextureTransform.h
new file mode 100644
index 0000000000..c556ff5d8c
--- /dev/null
+++ b/thirdparty/assimp/code/TextureTransform.h
@@ -0,0 +1,232 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Definition of a helper step that processes texture transformations */
+#ifndef AI_TEXTURE_TRANSFORM_H_INCLUDED
+#define AI_TEXTURE_TRANSFORM_H_INCLUDED
+
+#include <assimp/BaseImporter.h>
+#include "BaseProcess.h"
+
+#include <assimp/material.h>
+#include <list>
+
+struct aiNode;
+struct aiMaterial;
+
+namespace Assimp    {
+
+#define AI_TT_UV_IDX_LOCK_TBD   0xffffffff
+#define AI_TT_UV_IDX_LOCK_NONE  0xeeeeeeee
+
+
+#define AI_TT_ROTATION_EPSILON  ((float)AI_DEG_TO_RAD(0.5))
+
+// ---------------------------------------------------------------------------
+/** Small helper structure representing a shortcut into the material list
+ *  to be able to update some values quickly.
+*/
+struct TTUpdateInfo {
+    TTUpdateInfo() AI_NO_EXCEPT
+    : directShortcut(nullptr)
+    , mat(nullptr)
+    , semantic(0)
+    , index(0) {
+        // empty
+    }
+
+    //! Direct shortcut, if available
+    unsigned int* directShortcut;
+
+    //! Material
+    aiMaterial *mat;
+
+    //! Texture type and index
+    unsigned int semantic, index;
+};
+
+
+// ---------------------------------------------------------------------------
+/** Helper class representing texture coordinate transformations
+*/
+struct STransformVecInfo : public aiUVTransform {
+    STransformVecInfo() AI_NO_EXCEPT
+    : uvIndex(0)
+    , mapU(aiTextureMapMode_Wrap)
+    , mapV(aiTextureMapMode_Wrap)
+    , lockedPos(AI_TT_UV_IDX_LOCK_NONE) {
+        // empty
+    }
+
+    //! Source texture coordinate index
+    unsigned int uvIndex;
+
+    //! Texture mapping mode in the u, v direction
+    aiTextureMapMode mapU,mapV;
+
+    //! Locked destination UV index
+    //! AI_TT_UV_IDX_LOCK_TBD - to be determined
+    //! AI_TT_UV_IDX_LOCK_NONE - none (default)
+    unsigned int lockedPos;
+
+    //! Update info - shortcuts into all materials
+    //! that are referencing this transform setup
+    std::list<TTUpdateInfo> updateList;
+
+
+    // -------------------------------------------------------------------
+    /** Compare two transform setups
+    */
+    inline bool operator== (const STransformVecInfo& other) const
+    {
+        // We use a small epsilon here
+        const static float epsilon = 0.05f;
+
+        if (std::fabs( mTranslation.x - other.mTranslation.x ) > epsilon ||
+            std::fabs( mTranslation.y - other.mTranslation.y ) > epsilon)
+        {
+            return false;
+        }
+
+        if (std::fabs( mScaling.x - other.mScaling.x ) > epsilon ||
+            std::fabs( mScaling.y - other.mScaling.y ) > epsilon)
+        {
+            return false;
+        }
+
+        if (std::fabs( mRotation - other.mRotation) > epsilon)
+        {
+            return false;
+        }
+        return true;
+    }
+
+    inline bool operator!= (const STransformVecInfo& other) const
+    {
+            return !(*this == other);
+    }
+
+
+    // -------------------------------------------------------------------
+    /** Returns whether this is an untransformed texture coordinate set
+    */
+    inline bool IsUntransformed() const
+    {
+        return (1.0f == mScaling.x && 1.f == mScaling.y &&
+            !mTranslation.x && !mTranslation.y &&
+            mRotation < AI_TT_ROTATION_EPSILON);
+    }
+
+    // -------------------------------------------------------------------
+    /** Build a 3x3 matrix from the transformations
+    */
+    inline void GetMatrix(aiMatrix3x3& mOut)
+    {
+        mOut = aiMatrix3x3();
+
+        if (1.0f != mScaling.x || 1.0f != mScaling.y)
+        {
+            aiMatrix3x3 mScale;
+            mScale.a1 = mScaling.x;
+            mScale.b2 = mScaling.y;
+            mOut = mScale;
+        }
+        if (mRotation)
+        {
+            aiMatrix3x3 mRot;
+            mRot.a1 = mRot.b2 = std::cos(mRotation);
+            mRot.a2 = mRot.b1 = std::sin(mRotation);
+            mRot.a2 = -mRot.a2;
+            mOut *= mRot;
+        }
+        if (mTranslation.x || mTranslation.y)
+        {
+            aiMatrix3x3 mTrans;
+            mTrans.a3 = mTranslation.x;
+            mTrans.b3 = mTranslation.y;
+            mOut *= mTrans;
+        }
+    }
+};
+
+
+// ---------------------------------------------------------------------------
+/** Helper step to compute final UV coordinate sets if there are scalings
+ *  or rotations in the original data read from the file.
+*/
+class TextureTransformStep : public BaseProcess
+{
+public:
+
+    TextureTransformStep();
+    ~TextureTransformStep();
+
+public:
+
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+    // -------------------------------------------------------------------
+    void SetupProperties(const Importer* pImp);
+
+
+protected:
+
+
+    // -------------------------------------------------------------------
+    /** Preprocess a specific UV transformation setup
+     *
+     *  @param info Transformation setup to be preprocessed.
+    */
+    void PreProcessUVTransform(STransformVecInfo& info);
+
+private:
+
+    unsigned int configFlags;
+};
+
+}
+
+#endif //! AI_TEXTURE_TRANSFORM_H_INCLUDED
diff --git a/thirdparty/assimp/code/TriangulateProcess.cpp b/thirdparty/assimp/code/TriangulateProcess.cpp
new file mode 100644
index 0000000000..0f68f47ddb
--- /dev/null
+++ b/thirdparty/assimp/code/TriangulateProcess.cpp
@@ -0,0 +1,530 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  TriangulateProcess.cpp
+ *  @brief Implementation of the post processing step to split up
+ *    all faces with more than three indices into triangles.
+ *
+ *
+ *  The triangulation algorithm will handle concave or convex polygons.
+ *  Self-intersecting or non-planar polygons are not rejected, but
+ *  they're probably not triangulated correctly.
+ *
+ * DEBUG SWITCHES - do not enable any of them in release builds:
+ *
+ * AI_BUILD_TRIANGULATE_COLOR_FACE_WINDING
+ *   - generates vertex colors to represent the face winding order.
+ *     the first vertex of a polygon becomes red, the last blue.
+ * AI_BUILD_TRIANGULATE_DEBUG_POLYS
+ *   - dump all polygons and their triangulation sequences to
+ *     a file
+ */
+#ifndef ASSIMP_BUILD_NO_TRIANGULATE_PROCESS
+#include "TriangulateProcess.h"
+#include "ProcessHelper.h"
+#include "PolyTools.h"
+#include <memory>
+
+//#define AI_BUILD_TRIANGULATE_COLOR_FACE_WINDING
+//#define AI_BUILD_TRIANGULATE_DEBUG_POLYS
+
+#define POLY_GRID_Y 40
+#define POLY_GRID_X 70
+#define POLY_GRID_XPAD 20
+#define POLY_OUTPUT_FILE "assimp_polygons_debug.txt"
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+TriangulateProcess::TriangulateProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+TriangulateProcess::~TriangulateProcess()
+{
+    // nothing to do here
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool TriangulateProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_Triangulate) != 0;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void TriangulateProcess::Execute( aiScene* pScene)
+{
+    ASSIMP_LOG_DEBUG("TriangulateProcess begin");
+
+    bool bHas = false;
+    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
+    {
+        if (pScene->mMeshes[ a ]) {
+            if ( TriangulateMesh( pScene->mMeshes[ a ] ) ) {
+                bHas = true;
+            }
+        }
+    }
+    if ( bHas ) {
+        ASSIMP_LOG_INFO( "TriangulateProcess finished. All polygons have been triangulated." );
+    } else {
+        ASSIMP_LOG_DEBUG( "TriangulateProcess finished. There was nothing to be done." );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Triangulates the given mesh.
+bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
+{
+    // Now we have aiMesh::mPrimitiveTypes, so this is only here for test cases
+    if (!pMesh->mPrimitiveTypes)    {
+        bool bNeed = false;
+
+        for( unsigned int a = 0; a < pMesh->mNumFaces; a++) {
+            const aiFace& face = pMesh->mFaces[a];
+
+            if( face.mNumIndices != 3)  {
+                bNeed = true;
+            }
+        }
+        if (!bNeed)
+            return false;
+    }
+    else if (!(pMesh->mPrimitiveTypes & aiPrimitiveType_POLYGON)) {
+        return false;
+    }
+
+    // Find out how many output faces we'll get
+    unsigned int numOut = 0, max_out = 0;
+    bool get_normals = true;
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++) {
+        aiFace& face = pMesh->mFaces[a];
+        if (face.mNumIndices <= 4) {
+            get_normals = false;
+        }
+        if( face.mNumIndices <= 3) {
+            numOut++;
+
+        }
+        else {
+            numOut += face.mNumIndices-2;
+            max_out = std::max(max_out,face.mNumIndices);
+        }
+    }
+
+    // Just another check whether aiMesh::mPrimitiveTypes is correct
+    ai_assert(numOut != pMesh->mNumFaces);
+
+    aiVector3D* nor_out = NULL;
+
+    // if we don't have normals yet, but expect them to be a cheap side
+    // product of triangulation anyway, allocate storage for them.
+    if (!pMesh->mNormals && get_normals) {
+        // XXX need a mechanism to inform the GenVertexNormals process to treat these normals as preprocessed per-face normals
+    //  nor_out = pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
+    }
+
+    // the output mesh will contain triangles, but no polys anymore
+    pMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
+    pMesh->mPrimitiveTypes &= ~aiPrimitiveType_POLYGON;
+
+    aiFace* out = new aiFace[numOut](), *curOut = out;
+    std::vector<aiVector3D> temp_verts3d(max_out+2); /* temporary storage for vertices */
+    std::vector<aiVector2D> temp_verts(max_out+2);
+
+    // Apply vertex colors to represent the face winding?
+#ifdef AI_BUILD_TRIANGULATE_COLOR_FACE_WINDING
+    if (!pMesh->mColors[0])
+        pMesh->mColors[0] = new aiColor4D[pMesh->mNumVertices];
+    else
+        new(pMesh->mColors[0]) aiColor4D[pMesh->mNumVertices];
+
+    aiColor4D* clr = pMesh->mColors[0];
+#endif
+
+#ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
+    FILE* fout = fopen(POLY_OUTPUT_FILE,"a");
+#endif
+
+    const aiVector3D* verts = pMesh->mVertices;
+
+    // use std::unique_ptr to avoid slow std::vector<bool> specialiations
+    std::unique_ptr<bool[]> done(new bool[max_out]);
+    for( unsigned int a = 0; a < pMesh->mNumFaces; a++) {
+        aiFace& face = pMesh->mFaces[a];
+
+        unsigned int* idx = face.mIndices;
+        int num = (int)face.mNumIndices, ear = 0, tmp, prev = num-1, next = 0, max = num;
+
+        // Apply vertex colors to represent the face winding?
+#ifdef AI_BUILD_TRIANGULATE_COLOR_FACE_WINDING
+        for (unsigned int i = 0; i < face.mNumIndices; ++i) {
+            aiColor4D& c = clr[idx[i]];
+            c.r = (i+1) / (float)max;
+            c.b = 1.f - c.r;
+        }
+#endif
+
+        aiFace* const last_face = curOut;
+
+        // if it's a simple point,line or triangle: just copy it
+        if( face.mNumIndices <= 3)
+        {
+            aiFace& nface = *curOut++;
+            nface.mNumIndices = face.mNumIndices;
+            nface.mIndices    = face.mIndices;
+
+            face.mIndices = NULL;
+            continue;
+        }
+        // optimized code for quadrilaterals
+        else if ( face.mNumIndices == 4) {
+
+            // quads can have at maximum one concave vertex. Determine
+            // this vertex (if it exists) and start tri-fanning from
+            // it.
+            unsigned int start_vertex = 0;
+            for (unsigned int i = 0; i < 4; ++i) {
+                const aiVector3D& v0 = verts[face.mIndices[(i+3) % 4]];
+                const aiVector3D& v1 = verts[face.mIndices[(i+2) % 4]];
+                const aiVector3D& v2 = verts[face.mIndices[(i+1) % 4]];
+
+                const aiVector3D& v = verts[face.mIndices[i]];
+
+                aiVector3D left = (v0-v);
+                aiVector3D diag = (v1-v);
+                aiVector3D right = (v2-v);
+
+                left.Normalize();
+                diag.Normalize();
+                right.Normalize();
+
+                const float angle = std::acos(left*diag) + std::acos(right*diag);
+                if (angle > AI_MATH_PI_F) {
+                    // this is the concave point
+                    start_vertex = i;
+                    break;
+                }
+            }
+
+            const unsigned int temp[] = {face.mIndices[0], face.mIndices[1], face.mIndices[2], face.mIndices[3]};
+
+            aiFace& nface = *curOut++;
+            nface.mNumIndices = 3;
+            nface.mIndices = face.mIndices;
+
+            nface.mIndices[0] = temp[start_vertex];
+            nface.mIndices[1] = temp[(start_vertex + 1) % 4];
+            nface.mIndices[2] = temp[(start_vertex + 2) % 4];
+
+            aiFace& sface = *curOut++;
+            sface.mNumIndices = 3;
+            sface.mIndices = new unsigned int[3];
+
+            sface.mIndices[0] = temp[start_vertex];
+            sface.mIndices[1] = temp[(start_vertex + 2) % 4];
+            sface.mIndices[2] = temp[(start_vertex + 3) % 4];
+
+            // prevent double deletion of the indices field
+            face.mIndices = NULL;
+            continue;
+        }
+        else
+        {
+            // A polygon with more than 3 vertices can be either concave or convex.
+            // Usually everything we're getting is convex and we could easily
+            // triangulate by tri-fanning. However, LightWave is probably the only
+            // modeling suite to make extensive use of highly concave, monster polygons ...
+            // so we need to apply the full 'ear cutting' algorithm to get it right.
+
+            // RERQUIREMENT: polygon is expected to be simple and *nearly* planar.
+            // We project it onto a plane to get a 2d triangle.
+
+            // Collect all vertices of of the polygon.
+           for (tmp = 0; tmp < max; ++tmp) {
+                temp_verts3d[tmp] = verts[idx[tmp]];
+            }
+
+            // Get newell normal of the polygon. Store it for future use if it's a polygon-only mesh
+            aiVector3D n;
+            NewellNormal<3,3,3>(n,max,&temp_verts3d.front().x,&temp_verts3d.front().y,&temp_verts3d.front().z);
+            if (nor_out) {
+                 for (tmp = 0; tmp < max; ++tmp)
+                     nor_out[idx[tmp]] = n;
+            }
+
+            // Select largest normal coordinate to ignore for projection
+            const float ax = (n.x>0 ? n.x : -n.x);
+            const float ay = (n.y>0 ? n.y : -n.y);
+            const float az = (n.z>0 ? n.z : -n.z);
+
+            unsigned int ac = 0, bc = 1; /* no z coord. projection to xy */
+            float inv = n.z;
+            if (ax > ay) {
+                if (ax > az) { /* no x coord. projection to yz */
+                    ac = 1; bc = 2;
+                    inv = n.x;
+                }
+            }
+            else if (ay > az) { /* no y coord. projection to zy */
+                ac = 2; bc = 0;
+                inv = n.y;
+            }
+
+            // Swap projection axes to take the negated projection vector into account
+            if (inv < 0.f) {
+                std::swap(ac,bc);
+            }
+
+            for (tmp =0; tmp < max; ++tmp) {
+                temp_verts[tmp].x = verts[idx[tmp]][ac];
+                temp_verts[tmp].y = verts[idx[tmp]][bc];
+                done[tmp] = false;
+            }
+
+#ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
+            // plot the plane onto which we mapped the polygon to a 2D ASCII pic
+            aiVector2D bmin,bmax;
+            ArrayBounds(&temp_verts[0],max,bmin,bmax);
+
+            char grid[POLY_GRID_Y][POLY_GRID_X+POLY_GRID_XPAD];
+            std::fill_n((char*)grid,POLY_GRID_Y*(POLY_GRID_X+POLY_GRID_XPAD),' ');
+
+            for (int i =0; i < max; ++i) {
+                const aiVector2D& v = (temp_verts[i] - bmin) / (bmax-bmin);
+                const size_t x = static_cast<size_t>(v.x*(POLY_GRID_X-1)), y = static_cast<size_t>(v.y*(POLY_GRID_Y-1));
+                char* loc = grid[y]+x;
+                if (grid[y][x] != ' ') {
+                    for(;*loc != ' '; ++loc);
+                    *loc++ = '_';
+                }
+                *(loc+::ai_snprintf(loc, POLY_GRID_XPAD,"%i",i)) = ' ';
+            }
+
+
+            for(size_t y = 0; y < POLY_GRID_Y; ++y) {
+                grid[y][POLY_GRID_X+POLY_GRID_XPAD-1] = '\0';
+                fprintf(fout,"%s\n",grid[y]);
+            }
+
+            fprintf(fout,"\ntriangulation sequence: ");
+#endif
+
+            //
+            // FIXME: currently this is the slow O(kn) variant with a worst case
+            // complexity of O(n^2) (I think). Can be done in O(n).
+            while (num > 3) {
+
+                // Find the next ear of the polygon
+                int num_found = 0;
+                for (ear = next;;prev = ear,ear = next) {
+
+                    // break after we looped two times without a positive match
+                    for (next=ear+1;done[(next>=max?next=0:next)];++next);
+                    if (next < ear) {
+                        if (++num_found == 2) {
+                            break;
+                        }
+                    }
+                    const aiVector2D* pnt1 = &temp_verts[ear],
+                        *pnt0 = &temp_verts[prev],
+                        *pnt2 = &temp_verts[next];
+
+                    // Must be a convex point. Assuming ccw winding, it must be on the right of the line between p-1 and p+1.
+                    if (OnLeftSideOfLine2D(*pnt0,*pnt2,*pnt1)) {
+                        continue;
+                    }
+
+                    // and no other point may be contained in this triangle
+                    for ( tmp = 0; tmp < max; ++tmp) {
+
+                        // We need to compare the actual values because it's possible that multiple indexes in
+                        // the polygon are referring to the same position. concave_polygon.obj is a sample
+                        //
+                        // FIXME: Use 'epsiloned' comparisons instead? Due to numeric inaccuracies in
+                        // PointInTriangle() I'm guessing that it's actually possible to construct
+                        // input data that would cause us to end up with no ears. The problem is,
+                        // which epsilon? If we chose a too large value, we'd get wrong results
+                        const aiVector2D& vtmp = temp_verts[tmp];
+                        if ( vtmp != *pnt1 && vtmp != *pnt2 && vtmp != *pnt0 && PointInTriangle2D(*pnt0,*pnt1,*pnt2,vtmp)) {
+                            break;
+                        }
+                    }
+                    if (tmp != max) {
+                        continue;
+                    }
+
+                    // this vertex is an ear
+                    break;
+                }
+                if (num_found == 2) {
+
+                    // Due to the 'two ear theorem', every simple polygon with more than three points must
+                    // have 2 'ears'. Here's definitely something wrong ... but we don't give up yet.
+                    //
+
+                    // Instead we're continuing with the standard tri-fanning algorithm which we'd
+                    // use if we had only convex polygons. That's life.
+                    ASSIMP_LOG_ERROR("Failed to triangulate polygon (no ear found). Probably not a simple polygon?");
+
+#ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
+                    fprintf(fout,"critical error here, no ear found! ");
+#endif
+                    num = 0;
+                    break;
+
+                    curOut -= (max-num); /* undo all previous work */
+                    for (tmp = 0; tmp < max-2; ++tmp) {
+                        aiFace& nface = *curOut++;
+
+                        nface.mNumIndices = 3;
+                        if (!nface.mIndices)
+                            nface.mIndices = new unsigned int[3];
+
+                        nface.mIndices[0] = 0;
+                        nface.mIndices[1] = tmp+1;
+                        nface.mIndices[2] = tmp+2;
+
+                    }
+                    num = 0;
+                    break;
+                }
+
+                aiFace& nface = *curOut++;
+                nface.mNumIndices = 3;
+
+                if (!nface.mIndices) {
+                    nface.mIndices = new unsigned int[3];
+                }
+
+                // setup indices for the new triangle ...
+                nface.mIndices[0] = prev;
+                nface.mIndices[1] = ear;
+                nface.mIndices[2] = next;
+
+                // exclude the ear from most further processing
+                done[ear] = true;
+                --num;
+            }
+            if (num > 0) {
+                // We have three indices forming the last 'ear' remaining. Collect them.
+                aiFace& nface = *curOut++;
+                nface.mNumIndices = 3;
+                if (!nface.mIndices) {
+                    nface.mIndices = new unsigned int[3];
+                }
+
+                for (tmp = 0; done[tmp]; ++tmp);
+                nface.mIndices[0] = tmp;
+
+                for (++tmp; done[tmp]; ++tmp);
+                nface.mIndices[1] = tmp;
+
+                for (++tmp; done[tmp]; ++tmp);
+                nface.mIndices[2] = tmp;
+
+            }
+        }
+
+#ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
+
+        for(aiFace* f = last_face; f != curOut; ++f) {
+            unsigned int* i = f->mIndices;
+            fprintf(fout," (%i %i %i)",i[0],i[1],i[2]);
+        }
+
+        fprintf(fout,"\n*********************************************************************\n");
+        fflush(fout);
+
+#endif
+
+        for(aiFace* f = last_face; f != curOut; ) {
+            unsigned int* i = f->mIndices;
+
+            //  drop dumb 0-area triangles - deactivated for now:
+            //FindDegenerates post processing step can do the same thing
+            //if (std::fabs(GetArea2D(temp_verts[i[0]],temp_verts[i[1]],temp_verts[i[2]])) < 1e-5f) {
+            //    ASSIMP_LOG_DEBUG("Dropping triangle with area 0");
+            //    --curOut;
+
+            //    delete[] f->mIndices;
+            //    f->mIndices = nullptr;
+
+            //    for(aiFace* ff = f; ff != curOut; ++ff) {
+            //        ff->mNumIndices = (ff+1)->mNumIndices;
+            //        ff->mIndices = (ff+1)->mIndices;
+            //        (ff+1)->mIndices = nullptr;
+            //    }
+            //    continue;
+            //}
+
+            i[0] = idx[i[0]];
+            i[1] = idx[i[1]];
+            i[2] = idx[i[2]];
+            ++f;
+        }
+
+        delete[] face.mIndices;
+        face.mIndices = NULL;
+    }
+
+#ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
+    fclose(fout);
+#endif
+
+    // kill the old faces
+    delete [] pMesh->mFaces;
+
+    // ... and store the new ones
+    pMesh->mFaces    = out;
+    pMesh->mNumFaces = (unsigned int)(curOut-out); /* not necessarily equal to numOut */
+    return true;
+}
+
+#endif // !! ASSIMP_BUILD_NO_TRIANGULATE_PROCESS
diff --git a/thirdparty/assimp/code/TriangulateProcess.h b/thirdparty/assimp/code/TriangulateProcess.h
new file mode 100644
index 0000000000..47bd2115ad
--- /dev/null
+++ b/thirdparty/assimp/code/TriangulateProcess.h
@@ -0,0 +1,95 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a post processing step to triangulate all faces
+          with more than three vertices.
+ */
+#ifndef AI_TRIANGULATEPROCESS_H_INC
+#define AI_TRIANGULATEPROCESS_H_INC
+
+#include "BaseProcess.h"
+
+struct aiMesh;
+
+class TriangulateProcessTest;
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** The TriangulateProcess splits up all faces with more than three indices
+ * into triangles. You usually want this to happen because the graphics cards
+ * need their data as triangles.
+ */
+class ASSIMP_API TriangulateProcess : public BaseProcess
+{
+public:
+
+    TriangulateProcess();
+    ~TriangulateProcess();
+
+public:
+    // -------------------------------------------------------------------
+    /** Returns whether the processing step is present in the given flag field.
+     * @param pFlags The processing flags the importer was called with. A bitwise
+     *   combination of #aiPostProcessSteps.
+     * @return true if the process is present in this flag fields, false if not.
+    */
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+    * At the moment a process is not supposed to fail.
+    * @param pScene The imported data to work at.
+    */
+    void Execute( aiScene* pScene);
+
+public:
+    // -------------------------------------------------------------------
+    /** Triangulates the given mesh.
+     * @param pMesh The mesh to triangulate.
+     */
+    bool TriangulateMesh( aiMesh* pMesh);
+};
+
+} // end of namespace Assimp
+
+#endif // AI_TRIANGULATEPROCESS_H_INC
diff --git a/thirdparty/assimp/code/ValidateDataStructure.cpp b/thirdparty/assimp/code/ValidateDataStructure.cpp
new file mode 100644
index 0000000000..657b0361b7
--- /dev/null
+++ b/thirdparty/assimp/code/ValidateDataStructure.cpp
@@ -0,0 +1,986 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  ValidateDataStructure.cpp
+ *  @brief Implementation of the post processing step to validate
+ *    the data structure returned by Assimp.
+ */
+
+
+
+// internal headers
+#include "ValidateDataStructure.h"
+#include <assimp/BaseImporter.h>
+#include <assimp/fast_atof.h>
+#include "ProcessHelper.h"
+#include <memory>
+
+// CRT headers
+#include <stdarg.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+ValidateDSProcess::ValidateDSProcess() :
+    mScene()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+ValidateDSProcess::~ValidateDSProcess()
+{}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the processing step is present in the given flag field.
+bool ValidateDSProcess::IsActive( unsigned int pFlags) const
+{
+    return (pFlags & aiProcess_ValidateDataStructure) != 0;
+}
+// ------------------------------------------------------------------------------------------------
+AI_WONT_RETURN void ValidateDSProcess::ReportError(const char* msg,...)
+{
+    ai_assert(NULL != msg);
+
+    va_list args;
+    va_start(args,msg);
+
+    char szBuffer[3000];
+    const int iLen = vsprintf(szBuffer,msg,args);
+    ai_assert(iLen > 0);
+
+    va_end(args);
+
+    throw DeadlyImportError("Validation failed: " + std::string(szBuffer,iLen));
+}
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::ReportWarning(const char* msg,...)
+{
+    ai_assert(NULL != msg);
+
+    va_list args;
+    va_start(args,msg);
+
+    char szBuffer[3000];
+    const int iLen = vsprintf(szBuffer,msg,args);
+    ai_assert(iLen > 0);
+
+    va_end(args);
+    ASSIMP_LOG_WARN("Validation warning: " + std::string(szBuffer,iLen));
+}
+
+// ------------------------------------------------------------------------------------------------
+inline int HasNameMatch(const aiString& in, aiNode* node)
+{
+    int result = (node->mName == in ? 1 : 0 );
+    for (unsigned int i = 0; i < node->mNumChildren;++i)    {
+        result += HasNameMatch(in,node->mChildren[i]);
+    }
+    return result;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline void ValidateDSProcess::DoValidation(T** parray, unsigned int size,
+    const char* firstName, const char* secondName)
+{
+    // validate all entries
+    if (size)
+    {
+        if (!parray)
+        {
+            ReportError("aiScene::%s is NULL (aiScene::%s is %i)",
+                firstName, secondName, size);
+        }
+        for (unsigned int i = 0; i < size;++i)
+        {
+            if (!parray[i])
+            {
+                ReportError("aiScene::%s[%i] is NULL (aiScene::%s is %i)",
+                    firstName,i,secondName,size);
+            }
+            Validate(parray[i]);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline void ValidateDSProcess::DoValidationEx(T** parray, unsigned int size,
+    const char* firstName, const char* secondName)
+{
+    // validate all entries
+    if (size)
+    {
+        if (!parray)    {
+            ReportError("aiScene::%s is NULL (aiScene::%s is %i)",
+                firstName, secondName, size);
+        }
+        for (unsigned int i = 0; i < size;++i)
+        {
+            if (!parray[i])
+            {
+                ReportError("aiScene::%s[%u] is NULL (aiScene::%s is %u)",
+                    firstName,i,secondName,size);
+            }
+            Validate(parray[i]);
+
+            // check whether there are duplicate names
+            for (unsigned int a = i+1; a < size;++a)
+            {
+                if (parray[i]->mName == parray[a]->mName)
+                {
+                	ReportError("aiScene::%s[%u] has the same name as "
+                        "aiScene::%s[%u]",firstName, i,secondName, a);
+                }
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename T>
+inline
+void ValidateDSProcess::DoValidationWithNameCheck(T** array, unsigned int size, const char* firstName, const char* secondName) {
+    // validate all entries
+    DoValidationEx(array,size,firstName,secondName);
+
+    for (unsigned int i = 0; i < size;++i) {
+        int res = HasNameMatch(array[i]->mName,mScene->mRootNode);
+        if (0 == res)   {
+            const std::string name = static_cast<char*>(array[i]->mName.data);
+            ReportError("aiScene::%s[%i] has no corresponding node in the scene graph (%s)",
+                firstName,i, name.c_str());
+        } else if (1 != res)  {
+            const std::string name = static_cast<char*>(array[i]->mName.data);
+            ReportError("aiScene::%s[%i]: there are more than one nodes with %s as name",
+                firstName,i, name.c_str());
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Executes the post processing step on the given imported data.
+void ValidateDSProcess::Execute( aiScene* pScene)
+{
+    this->mScene = pScene;
+    ASSIMP_LOG_DEBUG("ValidateDataStructureProcess begin");
+
+    // validate the node graph of the scene
+    Validate(pScene->mRootNode);
+
+    // validate all meshes
+    if (pScene->mNumMeshes) {
+        DoValidation(pScene->mMeshes,pScene->mNumMeshes,"mMeshes","mNumMeshes");
+    }
+    else if (!(mScene->mFlags & AI_SCENE_FLAGS_INCOMPLETE)) {
+        ReportError("aiScene::mNumMeshes is 0. At least one mesh must be there");
+    }
+    else if (pScene->mMeshes)   {
+        ReportError("aiScene::mMeshes is non-null although there are no meshes");
+    }
+
+    // validate all animations
+    if (pScene->mNumAnimations) {
+        DoValidation(pScene->mAnimations,pScene->mNumAnimations,
+            "mAnimations","mNumAnimations");
+    }
+    else if (pScene->mAnimations)   {
+        ReportError("aiScene::mAnimations is non-null although there are no animations");
+    }
+
+    // validate all cameras
+    if (pScene->mNumCameras) {
+        DoValidationWithNameCheck(pScene->mCameras,pScene->mNumCameras,
+            "mCameras","mNumCameras");
+    }
+    else if (pScene->mCameras)  {
+        ReportError("aiScene::mCameras is non-null although there are no cameras");
+    }
+
+    // validate all lights
+    if (pScene->mNumLights) {
+        DoValidationWithNameCheck(pScene->mLights,pScene->mNumLights,
+            "mLights","mNumLights");
+    }
+    else if (pScene->mLights)   {
+        ReportError("aiScene::mLights is non-null although there are no lights");
+    }
+
+    // validate all textures
+    if (pScene->mNumTextures) {
+        DoValidation(pScene->mTextures,pScene->mNumTextures,
+            "mTextures","mNumTextures");
+    }
+    else if (pScene->mTextures) {
+        ReportError("aiScene::mTextures is non-null although there are no textures");
+    }
+
+    // validate all materials
+    if (pScene->mNumMaterials) {
+        DoValidation(pScene->mMaterials,pScene->mNumMaterials,"mMaterials","mNumMaterials");
+    }
+#if 0
+    // NOTE: ScenePreprocessor generates a default material if none is there
+    else if (!(mScene->mFlags & AI_SCENE_FLAGS_INCOMPLETE)) {
+        ReportError("aiScene::mNumMaterials is 0. At least one material must be there");
+    }
+#endif
+    else if (pScene->mMaterials)    {
+        ReportError("aiScene::mMaterials is non-null although there are no materials");
+    }
+
+//  if (!has)ReportError("The aiScene data structure is empty");
+    ASSIMP_LOG_DEBUG("ValidateDataStructureProcess end");
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiLight* pLight)
+{
+    if (pLight->mType == aiLightSource_UNDEFINED)
+        ReportWarning("aiLight::mType is aiLightSource_UNDEFINED");
+
+    if (!pLight->mAttenuationConstant &&
+        !pLight->mAttenuationLinear   &&
+        !pLight->mAttenuationQuadratic) {
+        ReportWarning("aiLight::mAttenuationXXX - all are zero");
+    }
+
+    if (pLight->mAngleInnerCone > pLight->mAngleOuterCone)
+        ReportError("aiLight::mAngleInnerCone is larger than aiLight::mAngleOuterCone");
+
+    if (pLight->mColorDiffuse.IsBlack() && pLight->mColorAmbient.IsBlack()
+        && pLight->mColorSpecular.IsBlack())
+    {
+        ReportWarning("aiLight::mColorXXX - all are black and won't have any influence");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiCamera* pCamera)
+{
+    if (pCamera->mClipPlaneFar <= pCamera->mClipPlaneNear)
+        ReportError("aiCamera::mClipPlaneFar must be >= aiCamera::mClipPlaneNear");
+
+    // FIX: there are many 3ds files with invalid FOVs. No reason to
+    // reject them at all ... a warning is appropriate.
+    if (!pCamera->mHorizontalFOV || pCamera->mHorizontalFOV >= (float)AI_MATH_PI)
+        ReportWarning("%f is not a valid value for aiCamera::mHorizontalFOV",pCamera->mHorizontalFOV);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiMesh* pMesh)
+{
+    // validate the material index of the mesh
+    if (mScene->mNumMaterials && pMesh->mMaterialIndex >= mScene->mNumMaterials)
+    {
+        ReportError("aiMesh::mMaterialIndex is invalid (value: %i maximum: %i)",
+            pMesh->mMaterialIndex,mScene->mNumMaterials-1);
+    }
+
+    Validate(&pMesh->mName);
+
+    for (unsigned int i = 0; i < pMesh->mNumFaces; ++i)
+    {
+        aiFace& face = pMesh->mFaces[i];
+
+        if (pMesh->mPrimitiveTypes)
+        {
+            switch (face.mNumIndices)
+            {
+            case 0:
+                ReportError("aiMesh::mFaces[%i].mNumIndices is 0",i);
+                break;
+            case 1:
+                if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_POINT))
+                {
+                    ReportError("aiMesh::mFaces[%i] is a POINT but aiMesh::mPrimitiveTypes "
+                        "does not report the POINT flag",i);
+                }
+                break;
+            case 2:
+                if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_LINE))
+                {
+                    ReportError("aiMesh::mFaces[%i] is a LINE but aiMesh::mPrimitiveTypes "
+                        "does not report the LINE flag",i);
+                }
+                break;
+            case 3:
+                if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_TRIANGLE))
+                {
+                    ReportError("aiMesh::mFaces[%i] is a TRIANGLE but aiMesh::mPrimitiveTypes "
+                        "does not report the TRIANGLE flag",i);
+                }
+                break;
+            default:
+                if (0 == (pMesh->mPrimitiveTypes & aiPrimitiveType_POLYGON))
+                {
+                    this->ReportError("aiMesh::mFaces[%i] is a POLYGON but aiMesh::mPrimitiveTypes "
+                        "does not report the POLYGON flag",i);
+                }
+                break;
+            };
+        }
+
+        if (!face.mIndices)
+            ReportError("aiMesh::mFaces[%i].mIndices is NULL",i);
+    }
+
+    // positions must always be there ...
+    if (!pMesh->mNumVertices || (!pMesh->mVertices && !mScene->mFlags)) {
+        ReportError("The mesh %s contains no vertices", pMesh->mName.C_Str());
+    }
+
+    if (pMesh->mNumVertices > AI_MAX_VERTICES) {
+        ReportError("Mesh has too many vertices: %u, but the limit is %u",pMesh->mNumVertices,AI_MAX_VERTICES);
+    }
+    if (pMesh->mNumFaces > AI_MAX_FACES) {
+        ReportError("Mesh has too many faces: %u, but the limit is %u",pMesh->mNumFaces,AI_MAX_FACES);
+    }
+
+    // if tangents are there there must also be bitangent vectors ...
+    if ((pMesh->mTangents != NULL) != (pMesh->mBitangents != NULL)) {
+        ReportError("If there are tangents, bitangent vectors must be present as well");
+    }
+
+    // faces, too
+    if (!pMesh->mNumFaces || (!pMesh->mFaces && !mScene->mFlags))   {
+        ReportError("Mesh %s contains no faces", pMesh->mName.C_Str());
+    }
+
+    // now check whether the face indexing layout is correct:
+    // unique vertices, pseudo-indexed.
+    std::vector<bool> abRefList;
+    abRefList.resize(pMesh->mNumVertices,false);
+    for (unsigned int i = 0; i < pMesh->mNumFaces;++i)
+    {
+        aiFace& face = pMesh->mFaces[i];
+        if (face.mNumIndices > AI_MAX_FACE_INDICES) {
+            ReportError("Face %u has too many faces: %u, but the limit is %u",i,face.mNumIndices,AI_MAX_FACE_INDICES);
+        }
+
+        for (unsigned int a = 0; a < face.mNumIndices;++a)
+        {
+            if (face.mIndices[a] >= pMesh->mNumVertices)    {
+                ReportError("aiMesh::mFaces[%i]::mIndices[%i] is out of range",i,a);
+            }
+            // the MSB flag is temporarily used by the extra verbose
+            // mode to tell us that the JoinVerticesProcess might have
+            // been executed already.
+			/*if ( !(this->mScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT ) && !(this->mScene->mFlags & AI_SCENE_FLAGS_ALLOW_SHARED) &&
+				abRefList[face.mIndices[a]])
+            {
+                ReportError("aiMesh::mVertices[%i] is referenced twice - second "
+                    "time by aiMesh::mFaces[%i]::mIndices[%i]",face.mIndices[a],i,a);
+            }*/
+            abRefList[face.mIndices[a]] = true;
+        }
+    }
+
+    // check whether there are vertices that aren't referenced by a face
+    bool b = false;
+    for (unsigned int i = 0; i < pMesh->mNumVertices;++i)   {
+        if (!abRefList[i])b = true;
+    }
+    abRefList.clear();
+    if (b) {
+    	ReportWarning("There are unreferenced vertices");
+    }
+
+    // texture channel 2 may not be set if channel 1 is zero ...
+    {
+        unsigned int i = 0;
+        for (;i < AI_MAX_NUMBER_OF_TEXTURECOORDS;++i)
+        {
+            if (!pMesh->HasTextureCoords(i))break;
+        }
+        for (;i < AI_MAX_NUMBER_OF_TEXTURECOORDS;++i)
+            if (pMesh->HasTextureCoords(i))
+            {
+                ReportError("Texture coordinate channel %i exists "
+                    "although the previous channel was NULL.",i);
+            }
+    }
+    // the same for the vertex colors
+    {
+        unsigned int i = 0;
+        for (;i < AI_MAX_NUMBER_OF_COLOR_SETS;++i)
+        {
+            if (!pMesh->HasVertexColors(i))break;
+        }
+        for (;i < AI_MAX_NUMBER_OF_COLOR_SETS;++i)
+            if (pMesh->HasVertexColors(i))
+            {
+                ReportError("Vertex color channel %i is exists "
+                    "although the previous channel was NULL.",i);
+            }
+    }
+
+
+    // now validate all bones
+    if (pMesh->mNumBones)
+    {
+        if (!pMesh->mBones)
+        {
+            ReportError("aiMesh::mBones is NULL (aiMesh::mNumBones is %i)",
+                pMesh->mNumBones);
+        }
+        std::unique_ptr<float[]> afSum(nullptr);
+        if (pMesh->mNumVertices)
+        {
+            afSum.reset(new float[pMesh->mNumVertices]);
+            for (unsigned int i = 0; i < pMesh->mNumVertices;++i)
+                afSum[i] = 0.0f;
+        }
+
+        // check whether there are duplicate bone names
+        for (unsigned int i = 0; i < pMesh->mNumBones;++i)
+        {
+            const aiBone* bone = pMesh->mBones[i];
+            if (bone->mNumWeights > AI_MAX_BONE_WEIGHTS) {
+                ReportError("Bone %u has too many weights: %u, but the limit is %u",i,bone->mNumWeights,AI_MAX_BONE_WEIGHTS);
+            }
+
+            if (!pMesh->mBones[i])
+            {
+                ReportError("aiMesh::mBones[%i] is NULL (aiMesh::mNumBones is %i)",
+                    i,pMesh->mNumBones);
+            }
+            Validate(pMesh,pMesh->mBones[i],afSum.get());
+
+            for (unsigned int a = i+1; a < pMesh->mNumBones;++a)
+            {
+                if (pMesh->mBones[i]->mName == pMesh->mBones[a]->mName)
+                {
+                    const char *name = "unknown";
+                    if (nullptr != pMesh->mBones[ i ]->mName.C_Str()) {
+                        name = pMesh->mBones[ i ]->mName.C_Str();
+                    }
+                    ReportError("aiMesh::mBones[%i], name = \"%s\" has the same name as "
+                        "aiMesh::mBones[%i]", i, name, a );
+                }
+            }
+        }
+        // check whether all bone weights for a vertex sum to 1.0 ...
+        for (unsigned int i = 0; i < pMesh->mNumVertices;++i)
+        {
+            if (afSum[i] && (afSum[i] <= 0.94 || afSum[i] >= 1.05)) {
+                ReportWarning("aiMesh::mVertices[%i]: bone weight sum != 1.0 (sum is %f)",i,afSum[i]);
+            }
+        }
+    }
+    else if (pMesh->mBones)
+    {
+        ReportError("aiMesh::mBones is non-null although there are no bones");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiMesh* pMesh,
+    const aiBone* pBone,float* afSum)
+{
+    this->Validate(&pBone->mName);
+
+    if (!pBone->mNumWeights)    {
+        ReportError("aiBone::mNumWeights is zero");
+    }
+
+    // check whether all vertices affected by this bone are valid
+    for (unsigned int i = 0; i < pBone->mNumWeights;++i)
+    {
+        if (pBone->mWeights[i].mVertexId >= pMesh->mNumVertices)    {
+            ReportError("aiBone::mWeights[%i].mVertexId is out of range",i);
+        }
+        else if (!pBone->mWeights[i].mWeight || pBone->mWeights[i].mWeight > 1.0f)  {
+            ReportWarning("aiBone::mWeights[%i].mWeight has an invalid value",i);
+        }
+        afSum[pBone->mWeights[i].mVertexId] += pBone->mWeights[i].mWeight;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiAnimation* pAnimation)
+{
+    Validate(&pAnimation->mName);
+
+    // validate all materials
+    if (pAnimation->mNumChannels)
+    {
+        if (!pAnimation->mChannels) {
+            ReportError("aiAnimation::mChannels is NULL (aiAnimation::mNumChannels is %i)",
+                pAnimation->mNumChannels);
+        }
+        for (unsigned int i = 0; i < pAnimation->mNumChannels;++i)
+        {
+            if (!pAnimation->mChannels[i])
+            {
+                ReportError("aiAnimation::mChannels[%i] is NULL (aiAnimation::mNumChannels is %i)",
+                    i, pAnimation->mNumChannels);
+            }
+            Validate(pAnimation, pAnimation->mChannels[i]);
+        }
+    }
+    else {
+    	ReportError("aiAnimation::mNumChannels is 0. At least one node animation channel must be there.");
+    }
+
+    // Animation duration is allowed to be zero in cases where the anim contains only a single key frame.
+    // if (!pAnimation->mDuration)this->ReportError("aiAnimation::mDuration is zero");
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::SearchForInvalidTextures(const aiMaterial* pMaterial,
+    aiTextureType type)
+{
+    const char* szType = TextureTypeToString(type);
+
+    // ****************************************************************************
+    // Search all keys of the material ...
+    // textures must be specified with ascending indices
+    // (e.g. diffuse #2 may not be specified if diffuse #1 is not there ...)
+    // ****************************************************************************
+
+    int iNumIndices = 0;
+    int iIndex = -1;
+    for (unsigned int i = 0; i < pMaterial->mNumProperties;++i) {
+        aiMaterialProperty* prop = pMaterial->mProperties[ i ];
+        ai_assert(nullptr != prop);
+        if ( !::strcmp(prop->mKey.data,"$tex.file") && prop->mSemantic == static_cast<unsigned int>(type))  {
+            iIndex = std::max(iIndex, (int) prop->mIndex);
+            ++iNumIndices;
+
+            if (aiPTI_String != prop->mType) {
+                ReportError("Material property %s is expected to be a string", prop->mKey.data);
+            }
+        }
+    }
+    if (iIndex +1 != iNumIndices)   {
+        ReportError("%s #%i is set, but there are only %i %s textures",
+            szType,iIndex,iNumIndices,szType);
+    }
+    if (!iNumIndices)return;
+    std::vector<aiTextureMapping> mappings(iNumIndices);
+
+    // Now check whether all UV indices are valid ...
+    bool bNoSpecified = true;
+    for (unsigned int i = 0; i < pMaterial->mNumProperties;++i)
+    {
+        aiMaterialProperty* prop = pMaterial->mProperties[i];
+        if (prop->mSemantic != type)continue;
+
+        if ((int)prop->mIndex >= iNumIndices)
+        {
+            ReportError("Found texture property with index %i, although there "
+                "are only %i textures of type %s",
+                prop->mIndex, iNumIndices, szType);
+        }
+
+        if (!::strcmp(prop->mKey.data,"$tex.mapping"))  {
+            if (aiPTI_Integer != prop->mType || prop->mDataLength < sizeof(aiTextureMapping))
+            {
+                ReportError("Material property %s%i is expected to be an integer (size is %i)",
+                    prop->mKey.data,prop->mIndex,prop->mDataLength);
+            }
+            mappings[prop->mIndex] = *((aiTextureMapping*)prop->mData);
+        }
+        else if (!::strcmp(prop->mKey.data,"$tex.uvtrafo")) {
+            if (aiPTI_Float != prop->mType || prop->mDataLength < sizeof(aiUVTransform))
+            {
+                ReportError("Material property %s%i is expected to be 5 floats large (size is %i)",
+                    prop->mKey.data,prop->mIndex, prop->mDataLength);
+            }
+            mappings[prop->mIndex] = *((aiTextureMapping*)prop->mData);
+        }
+        else if (!::strcmp(prop->mKey.data,"$tex.uvwsrc")) {
+            if (aiPTI_Integer != prop->mType || sizeof(int) > prop->mDataLength)
+            {
+                ReportError("Material property %s%i is expected to be an integer (size is %i)",
+                    prop->mKey.data,prop->mIndex,prop->mDataLength);
+            }
+            bNoSpecified = false;
+
+            // Ignore UV indices for texture channels that are not there ...
+
+            // Get the value
+            iIndex = *((unsigned int*)prop->mData);
+
+            // Check whether there is a mesh using this material
+            // which has not enough UV channels ...
+            for (unsigned int a = 0; a < mScene->mNumMeshes;++a)
+            {
+                aiMesh* mesh = this->mScene->mMeshes[a];
+                if(mesh->mMaterialIndex == (unsigned int)i)
+                {
+                    int iChannels = 0;
+                    while (mesh->HasTextureCoords(iChannels))++iChannels;
+                    if (iIndex >= iChannels)
+                    {
+                        ReportWarning("Invalid UV index: %i (key %s). Mesh %i has only %i UV channels",
+                            iIndex,prop->mKey.data,a,iChannels);
+                    }
+                }
+            }
+        }
+    }
+    if (bNoSpecified)
+    {
+        // Assume that all textures are using the first UV channel
+        for (unsigned int a = 0; a < mScene->mNumMeshes;++a)
+        {
+            aiMesh* mesh = mScene->mMeshes[a];
+            if(mesh->mMaterialIndex == (unsigned int)iIndex && mappings[0] == aiTextureMapping_UV)
+            {
+                if (!mesh->mTextureCoords[0])
+                {
+                    // This is a special case ... it could be that the
+                    // original mesh format intended the use of a special
+                    // mapping here.
+                    ReportWarning("UV-mapped texture, but there are no UV coords");
+                }
+            }
+        }
+    }
+}
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiMaterial* pMaterial)
+{
+    // check whether there are material keys that are obviously not legal
+    for (unsigned int i = 0; i < pMaterial->mNumProperties;++i)
+    {
+        const aiMaterialProperty* prop = pMaterial->mProperties[i];
+        if (!prop)  {
+            ReportError("aiMaterial::mProperties[%i] is NULL (aiMaterial::mNumProperties is %i)",
+                i,pMaterial->mNumProperties);
+        }
+        if (!prop->mDataLength || !prop->mData) {
+            ReportError("aiMaterial::mProperties[%i].mDataLength or "
+                "aiMaterial::mProperties[%i].mData is 0",i,i);
+        }
+        // check all predefined types
+        if (aiPTI_String == prop->mType)    {
+            // FIX: strings are now stored in a less expensive way, but we can't use the
+            // validation routine for 'normal' aiStrings
+            if (prop->mDataLength < 5 || prop->mDataLength < 4 + (*reinterpret_cast<uint32_t*>(prop->mData)) + 1)   {
+                ReportError("aiMaterial::mProperties[%i].mDataLength is "
+                    "too small to contain a string (%i, needed: %i)",
+                    i,prop->mDataLength,static_cast<int>(sizeof(aiString)));
+            }
+            if(prop->mData[prop->mDataLength-1]) {
+                ReportError("Missing null-terminator in string material property");
+            }
+        //  Validate((const aiString*)prop->mData);
+        }
+        else if (aiPTI_Float == prop->mType)    {
+            if (prop->mDataLength < sizeof(float))  {
+                ReportError("aiMaterial::mProperties[%i].mDataLength is "
+                    "too small to contain a float (%i, needed: %i)",
+                    i,prop->mDataLength, static_cast<int>(sizeof(float)));
+            }
+        }
+        else if (aiPTI_Integer == prop->mType)  {
+            if (prop->mDataLength < sizeof(int))    {
+                ReportError("aiMaterial::mProperties[%i].mDataLength is "
+                    "too small to contain an integer (%i, needed: %i)",
+                    i,prop->mDataLength, static_cast<int>(sizeof(int)));
+            }
+        }
+        // TODO: check whether there is a key with an unknown name ...
+    }
+
+    // make some more specific tests
+    ai_real fTemp;
+    int iShading;
+    if (AI_SUCCESS == aiGetMaterialInteger( pMaterial,AI_MATKEY_SHADING_MODEL,&iShading))   {
+        switch ((aiShadingMode)iShading)
+        {
+        case aiShadingMode_Blinn:
+        case aiShadingMode_CookTorrance:
+        case aiShadingMode_Phong:
+
+            if (AI_SUCCESS != aiGetMaterialFloat(pMaterial,AI_MATKEY_SHININESS,&fTemp)) {
+                ReportWarning("A specular shading model is specified but there is no "
+                    "AI_MATKEY_SHININESS key");
+            }
+            if (AI_SUCCESS == aiGetMaterialFloat(pMaterial,AI_MATKEY_SHININESS_STRENGTH,&fTemp) && !fTemp)  {
+                ReportWarning("A specular shading model is specified but the value of the "
+                    "AI_MATKEY_SHININESS_STRENGTH key is 0.0");
+            }
+            break;
+        default: ;
+        };
+    }
+
+    if (AI_SUCCESS == aiGetMaterialFloat( pMaterial,AI_MATKEY_OPACITY,&fTemp) && (!fTemp || fTemp > 1.01)) {
+        ReportWarning("Invalid opacity value (must be 0 < opacity < 1.0)");
+    }
+
+    // Check whether there are invalid texture keys
+    // TODO: that's a relict of the past, where texture type and index were baked
+    // into the material string ... we could do that in one single pass.
+    SearchForInvalidTextures(pMaterial,aiTextureType_DIFFUSE);
+    SearchForInvalidTextures(pMaterial,aiTextureType_SPECULAR);
+    SearchForInvalidTextures(pMaterial,aiTextureType_AMBIENT);
+    SearchForInvalidTextures(pMaterial,aiTextureType_EMISSIVE);
+    SearchForInvalidTextures(pMaterial,aiTextureType_OPACITY);
+    SearchForInvalidTextures(pMaterial,aiTextureType_SHININESS);
+    SearchForInvalidTextures(pMaterial,aiTextureType_HEIGHT);
+    SearchForInvalidTextures(pMaterial,aiTextureType_NORMALS);
+    SearchForInvalidTextures(pMaterial,aiTextureType_DISPLACEMENT);
+    SearchForInvalidTextures(pMaterial,aiTextureType_LIGHTMAP);
+    SearchForInvalidTextures(pMaterial,aiTextureType_REFLECTION);
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiTexture* pTexture)
+{
+    // the data section may NEVER be NULL
+    if (!pTexture->pcData)  {
+        ReportError("aiTexture::pcData is NULL");
+    }
+    if (pTexture->mHeight)
+    {
+        if (!pTexture->mWidth){
+        	ReportError("aiTexture::mWidth is zero (aiTexture::mHeight is %i, uncompressed texture)",
+        			pTexture->mHeight);
+        }
+    }
+    else
+    {
+        if (!pTexture->mWidth) {
+            ReportError("aiTexture::mWidth is zero (compressed texture)");
+        }
+        if ('\0' != pTexture->achFormatHint[3]) {
+            ReportWarning("aiTexture::achFormatHint must be zero-terminated");
+        }
+        else if ('.'  == pTexture->achFormatHint[0])    {
+            ReportWarning("aiTexture::achFormatHint should contain a file extension "
+                "without a leading dot (format hint: %s).",pTexture->achFormatHint);
+        }
+    }
+
+    const char* sz = pTexture->achFormatHint;
+    if ((sz[0] >= 'A' && sz[0] <= 'Z') ||
+        (sz[1] >= 'A' && sz[1] <= 'Z') ||
+        (sz[2] >= 'A' && sz[2] <= 'Z') ||
+        (sz[3] >= 'A' && sz[3] <= 'Z')) {
+        ReportError("aiTexture::achFormatHint contains non-lowercase letters");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiAnimation* pAnimation,
+     const aiNodeAnim* pNodeAnim)
+{
+    Validate(&pNodeAnim->mNodeName);
+
+    if (!pNodeAnim->mNumPositionKeys && !pNodeAnim->mScalingKeys && !pNodeAnim->mNumRotationKeys) {
+        ReportError("Empty node animation channel");
+    }
+    // otherwise check whether one of the keys exceeds the total duration of the animation
+    if (pNodeAnim->mNumPositionKeys)
+    {
+        if (!pNodeAnim->mPositionKeys)
+        {
+        	ReportError("aiNodeAnim::mPositionKeys is NULL (aiNodeAnim::mNumPositionKeys is %i)",
+                pNodeAnim->mNumPositionKeys);
+        }
+        double dLast = -10e10;
+        for (unsigned int i = 0; i < pNodeAnim->mNumPositionKeys;++i)
+        {
+            // ScenePreprocessor will compute the duration if still the default value
+            // (Aramis) Add small epsilon, comparison tended to fail if max_time == duration,
+            //  seems to be due the compilers register usage/width.
+            if (pAnimation->mDuration > 0. && pNodeAnim->mPositionKeys[i].mTime > pAnimation->mDuration+0.001)
+            {
+                ReportError("aiNodeAnim::mPositionKeys[%i].mTime (%.5f) is larger "
+                    "than aiAnimation::mDuration (which is %.5f)",i,
+                    (float)pNodeAnim->mPositionKeys[i].mTime,
+                    (float)pAnimation->mDuration);
+            }
+            if (i && pNodeAnim->mPositionKeys[i].mTime <= dLast)
+            {
+                ReportWarning("aiNodeAnim::mPositionKeys[%i].mTime (%.5f) is smaller "
+                    "than aiAnimation::mPositionKeys[%i] (which is %.5f)",i,
+                    (float)pNodeAnim->mPositionKeys[i].mTime,
+                    i-1, (float)dLast);
+            }
+            dLast = pNodeAnim->mPositionKeys[i].mTime;
+        }
+    }
+    // rotation keys
+    if (pNodeAnim->mNumRotationKeys)
+    {
+        if (!pNodeAnim->mRotationKeys)
+        {
+            ReportError("aiNodeAnim::mRotationKeys is NULL (aiNodeAnim::mNumRotationKeys is %i)",
+                pNodeAnim->mNumRotationKeys);
+        }
+        double dLast = -10e10;
+        for (unsigned int i = 0; i < pNodeAnim->mNumRotationKeys;++i)
+        {
+            if (pAnimation->mDuration > 0. && pNodeAnim->mRotationKeys[i].mTime > pAnimation->mDuration+0.001)
+            {
+                ReportError("aiNodeAnim::mRotationKeys[%i].mTime (%.5f) is larger "
+                    "than aiAnimation::mDuration (which is %.5f)",i,
+                    (float)pNodeAnim->mRotationKeys[i].mTime,
+                    (float)pAnimation->mDuration);
+            }
+            if (i && pNodeAnim->mRotationKeys[i].mTime <= dLast)
+            {
+                ReportWarning("aiNodeAnim::mRotationKeys[%i].mTime (%.5f) is smaller "
+                    "than aiAnimation::mRotationKeys[%i] (which is %.5f)",i,
+                    (float)pNodeAnim->mRotationKeys[i].mTime,
+                    i-1, (float)dLast);
+            }
+            dLast = pNodeAnim->mRotationKeys[i].mTime;
+        }
+    }
+    // scaling keys
+    if (pNodeAnim->mNumScalingKeys)
+    {
+        if (!pNodeAnim->mScalingKeys)   {
+            ReportError("aiNodeAnim::mScalingKeys is NULL (aiNodeAnim::mNumScalingKeys is %i)",
+                pNodeAnim->mNumScalingKeys);
+        }
+        double dLast = -10e10;
+        for (unsigned int i = 0; i < pNodeAnim->mNumScalingKeys;++i)
+        {
+            if (pAnimation->mDuration > 0. && pNodeAnim->mScalingKeys[i].mTime > pAnimation->mDuration+0.001)
+            {
+                ReportError("aiNodeAnim::mScalingKeys[%i].mTime (%.5f) is larger "
+                    "than aiAnimation::mDuration (which is %.5f)",i,
+                    (float)pNodeAnim->mScalingKeys[i].mTime,
+                    (float)pAnimation->mDuration);
+            }
+            if (i && pNodeAnim->mScalingKeys[i].mTime <= dLast)
+            {
+                ReportWarning("aiNodeAnim::mScalingKeys[%i].mTime (%.5f) is smaller "
+                    "than aiAnimation::mScalingKeys[%i] (which is %.5f)",i,
+                    (float)pNodeAnim->mScalingKeys[i].mTime,
+                    i-1, (float)dLast);
+            }
+            dLast = pNodeAnim->mScalingKeys[i].mTime;
+        }
+    }
+
+    if (!pNodeAnim->mNumScalingKeys && !pNodeAnim->mNumRotationKeys &&
+        !pNodeAnim->mNumPositionKeys)
+    {
+        ReportError("A node animation channel must have at least one subtrack");
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiNode* pNode)
+{
+    if (!pNode) {
+    	ReportError("A node of the scenegraph is NULL");
+    }
+    // Validate node name string first so that it's safe to use in below expressions
+    this->Validate(&pNode->mName);
+    const char* nodeName = (&pNode->mName)->C_Str();
+    if (pNode != mScene->mRootNode && !pNode->mParent){
+        ReportError("Non-root node %s lacks a valid parent (aiNode::mParent is NULL) ", nodeName);
+    }
+
+    // validate all meshes
+    if (pNode->mNumMeshes)
+    {
+        if (!pNode->mMeshes)
+        {
+            ReportError("aiNode::mMeshes is NULL for node %s (aiNode::mNumMeshes is %i)",
+            		  nodeName, pNode->mNumMeshes);
+        }
+        std::vector<bool> abHadMesh;
+        abHadMesh.resize(mScene->mNumMeshes,false);
+        for (unsigned int i = 0; i < pNode->mNumMeshes;++i)
+        {
+            if (pNode->mMeshes[i] >= mScene->mNumMeshes)
+            {
+                ReportError("aiNode::mMeshes[%i] is out of range for node %s (maximum is %i)",
+                    pNode->mMeshes[i], nodeName, mScene->mNumMeshes-1);
+            }
+            if (abHadMesh[pNode->mMeshes[i]])
+            {
+                ReportError("aiNode::mMeshes[%i] is already referenced by this node %s (value: %i)",
+                    i, nodeName, pNode->mMeshes[i]);
+            }
+            abHadMesh[pNode->mMeshes[i]] = true;
+        }
+    }
+    if (pNode->mNumChildren)
+    {
+        if (!pNode->mChildren)  {
+            ReportError("aiNode::mChildren is NULL for node %s (aiNode::mNumChildren is %i)",
+            		nodeName, pNode->mNumChildren);
+        }
+        for (unsigned int i = 0; i < pNode->mNumChildren;++i)   {
+            Validate(pNode->mChildren[i]);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void ValidateDSProcess::Validate( const aiString* pString)
+{
+    if (pString->length > MAXLEN)
+    {
+        ReportError("aiString::length is too large (%lu, maximum is %lu)",
+            pString->length,MAXLEN);
+    }
+    const char* sz = pString->data;
+    while (true)
+    {
+        if ('\0' == *sz)
+        {
+            if (pString->length != (unsigned int)(sz-pString->data)) {
+                ReportError("aiString::data is invalid: the terminal zero is at a wrong offset");
+            }
+            break;
+        }
+        else if (sz >= &pString->data[MAXLEN]) {
+            ReportError("aiString::data is invalid. There is no terminal character");
+        }
+        ++sz;
+    }
+}
diff --git a/thirdparty/assimp/code/ValidateDataStructure.h b/thirdparty/assimp/code/ValidateDataStructure.h
new file mode 100644
index 0000000000..bd21e88545
--- /dev/null
+++ b/thirdparty/assimp/code/ValidateDataStructure.h
@@ -0,0 +1,188 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a (dummy) post processing step to validate the loader's
+ * output data structure (for debugging)
+ */
+#ifndef AI_VALIDATEPROCESS_H_INC
+#define AI_VALIDATEPROCESS_H_INC
+
+#include <assimp/types.h>
+#include <assimp/material.h>
+#include "BaseProcess.h"
+
+struct aiBone;
+struct aiMesh;
+struct aiAnimation;
+struct aiNodeAnim;
+struct aiTexture;
+struct aiMaterial;
+struct aiNode;
+struct aiString;
+struct aiCamera;
+struct aiLight;
+
+namespace Assimp    {
+
+// --------------------------------------------------------------------------------------
+/** Validates the whole ASSIMP scene data structure for correctness.
+ *  ImportErrorException is thrown of the scene is corrupt.*/
+// --------------------------------------------------------------------------------------
+class ValidateDSProcess : public BaseProcess
+{
+public:
+
+    ValidateDSProcess();
+    ~ValidateDSProcess();
+
+public:
+    // -------------------------------------------------------------------
+    bool IsActive( unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    void Execute( aiScene* pScene);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Report a validation error. This will throw an exception,
+     *  control won't return.
+     * @param msg Format string for sprintf().*/
+    AI_WONT_RETURN void ReportError(const char* msg,...) AI_WONT_RETURN_SUFFIX;
+
+
+    // -------------------------------------------------------------------
+    /** Report a validation warning. This won't throw an exception,
+     *  control will return to the caller.
+     * @param msg Format string for sprintf().*/
+    void ReportWarning(const char* msg,...);
+
+
+    // -------------------------------------------------------------------
+    /** Validates a mesh
+     * @param pMesh Input mesh*/
+    void Validate( const aiMesh* pMesh);
+
+    // -------------------------------------------------------------------
+    /** Validates a bone
+     * @param pMesh Input mesh
+     * @param pBone Input bone*/
+    void Validate( const aiMesh* pMesh,const aiBone* pBone,float* afSum);
+
+    // -------------------------------------------------------------------
+    /** Validates an animation
+     * @param pAnimation Input animation*/
+    void Validate( const aiAnimation* pAnimation);
+
+    // -------------------------------------------------------------------
+    /** Validates a material
+     * @param pMaterial Input material*/
+    void Validate( const aiMaterial* pMaterial);
+
+    // -------------------------------------------------------------------
+    /** Search the material data structure for invalid or corrupt
+     *  texture keys.
+     * @param pMaterial Input material
+     * @param type Type of the texture*/
+    void SearchForInvalidTextures(const aiMaterial* pMaterial,
+        aiTextureType type);
+
+    // -------------------------------------------------------------------
+    /** Validates a texture
+     * @param pTexture Input texture*/
+    void Validate( const aiTexture* pTexture);
+
+    // -------------------------------------------------------------------
+    /** Validates a light source
+     * @param pLight Input light
+     */
+    void Validate( const aiLight* pLight);
+
+    // -------------------------------------------------------------------
+    /** Validates a camera
+     * @param pCamera Input camera*/
+    void Validate( const aiCamera* pCamera);
+
+    // -------------------------------------------------------------------
+    /** Validates a bone animation channel
+     * @param pAnimation Animation channel.
+     * @param pBoneAnim Input bone animation */
+    void Validate( const aiAnimation* pAnimation,
+        const aiNodeAnim* pBoneAnim);
+
+    // -------------------------------------------------------------------
+    /** Validates a node and all of its subnodes
+     * @param Node Input node*/
+    void Validate( const aiNode* pNode);
+
+    // -------------------------------------------------------------------
+    /** Validates a string
+     * @param pString Input string*/
+    void Validate( const aiString* pString);
+
+private:
+
+    // template to validate one of the aiScene::mXXX arrays
+    template <typename T>
+    inline void DoValidation(T** array, unsigned int size,
+        const char* firstName, const char* secondName);
+
+    // extended version: checks whether T::mName occurs twice
+    template <typename T>
+    inline void DoValidationEx(T** array, unsigned int size,
+        const char* firstName, const char* secondName);
+
+    // extension to the first template which does also search
+    // the nodegraph for an item with the same name
+    template <typename T>
+    inline void DoValidationWithNameCheck(T** array, unsigned int size,
+        const char* firstName, const char* secondName);
+
+    aiScene* mScene;
+};
+
+
+
+
+} // end of namespace Assimp
+
+#endif // AI_VALIDATEPROCESS_H_INC
diff --git a/thirdparty/assimp/code/Version.cpp b/thirdparty/assimp/code/Version.cpp
new file mode 100644
index 0000000000..cc94340ac8
--- /dev/null
+++ b/thirdparty/assimp/code/Version.cpp
@@ -0,0 +1,185 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+// Actually just a dummy, used by the compiler to build the precompiled header.
+
+#include <assimp/version.h>
+#include <assimp/scene.h>
+#include "ScenePrivate.h"
+
+static const unsigned int MajorVersion = 4;
+static const unsigned int MinorVersion = 1;
+
+// --------------------------------------------------------------------------------
+// Legal information string - don't remove this.
+static const char* LEGAL_INFORMATION =
+
+"Open Asset Import Library (Assimp).\n"
+"A free C/C++ library to import various 3D file formats into applications\n\n"
+
+"(c) 2008-2017, assimp team\n"
+"License under the terms and conditions of the 3-clause BSD license\n"
+"http://assimp.sourceforge.net\n"
+;
+
+// ------------------------------------------------------------------------------------------------
+// Get legal string
+ASSIMP_API const char*  aiGetLegalString  ()    {
+    return LEGAL_INFORMATION;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get Assimp minor version
+ASSIMP_API unsigned int aiGetVersionMinor ()    {
+    return MinorVersion;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get Assimp major version
+ASSIMP_API unsigned int aiGetVersionMajor ()    {
+    return MajorVersion;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get flags used for compilation
+ASSIMP_API unsigned int aiGetCompileFlags ()    {
+
+    unsigned int flags = 0;
+
+#ifdef ASSIMP_BUILD_BOOST_WORKAROUND
+    flags |= ASSIMP_CFLAGS_NOBOOST;
+#endif
+#ifdef ASSIMP_BUILD_SINGLETHREADED
+    flags |= ASSIMP_CFLAGS_SINGLETHREADED;
+#endif
+#ifdef ASSIMP_BUILD_DEBUG
+    flags |= ASSIMP_CFLAGS_DEBUG;
+#endif
+#ifdef ASSIMP_BUILD_DLL_EXPORT
+    flags |= ASSIMP_CFLAGS_SHARED;
+#endif
+#ifdef _STLPORT_VERSION
+    flags |= ASSIMP_CFLAGS_STLPORT;
+#endif
+
+    return flags;
+}
+
+// include current build revision, which is even updated from time to time -- :-)
+#include "revision.h"
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API unsigned int aiGetVersionRevision() {
+    return GitVersion;
+}
+
+ASSIMP_API const char *aiGetBranchName() {
+    return GitBranch;
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API aiScene::aiScene()
+: mFlags(0)
+, mRootNode(nullptr)
+, mNumMeshes(0)
+, mMeshes(nullptr)
+, mNumMaterials(0)
+, mMaterials(nullptr)
+, mNumAnimations(0)
+, mAnimations(nullptr)
+, mNumTextures(0)
+, mTextures(nullptr)
+, mNumLights(0)
+, mLights(nullptr)
+, mNumCameras(0)
+, mCameras(nullptr)
+, mMetaData(nullptr)
+, mPrivate(new Assimp::ScenePrivateData()) {
+	// empty
+}
+
+// ------------------------------------------------------------------------------------------------
+ASSIMP_API aiScene::~aiScene() {
+    // delete all sub-objects recursively
+    delete mRootNode;
+
+    // To make sure we won't crash if the data is invalid it's
+    // much better to check whether both mNumXXX and mXXX are
+    // valid instead of relying on just one of them.
+    if (mNumMeshes && mMeshes)
+        for( unsigned int a = 0; a < mNumMeshes; a++)
+            delete mMeshes[a];
+    delete [] mMeshes;
+
+    if (mNumMaterials && mMaterials) {
+        for (unsigned int a = 0; a < mNumMaterials; ++a ) {
+            delete mMaterials[ a ];
+        }
+    }
+    delete [] mMaterials;
+
+    if (mNumAnimations && mAnimations)
+        for( unsigned int a = 0; a < mNumAnimations; a++)
+            delete mAnimations[a];
+    delete [] mAnimations;
+
+    if (mNumTextures && mTextures)
+        for( unsigned int a = 0; a < mNumTextures; a++)
+            delete mTextures[a];
+    delete [] mTextures;
+
+    if (mNumLights && mLights)
+        for( unsigned int a = 0; a < mNumLights; a++)
+            delete mLights[a];
+    delete [] mLights;
+
+    if (mNumCameras && mCameras)
+        for( unsigned int a = 0; a < mNumCameras; a++)
+            delete mCameras[a];
+    delete [] mCameras;
+
+    aiMetadata::Dealloc(mMetaData);
+    mMetaData = nullptr;
+
+    delete static_cast<Assimp::ScenePrivateData*>( mPrivate );
+}
+
diff --git a/thirdparty/assimp/code/VertexTriangleAdjacency.cpp b/thirdparty/assimp/code/VertexTriangleAdjacency.cpp
new file mode 100644
index 0000000000..7cfd1a3505
--- /dev/null
+++ b/thirdparty/assimp/code/VertexTriangleAdjacency.cpp
@@ -0,0 +1,134 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Implementation of the VertexTriangleAdjacency helper class
+ */
+
+// internal headers
+#include "VertexTriangleAdjacency.h"
+#include <assimp/mesh.h>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+VertexTriangleAdjacency::VertexTriangleAdjacency(aiFace *pcFaces,
+    unsigned int iNumFaces,
+    unsigned int iNumVertices /*= 0*/,
+    bool bComputeNumTriangles /*= false*/)
+{
+    // compute the number of referenced vertices if it wasn't specified by the caller
+    const aiFace* const pcFaceEnd = pcFaces + iNumFaces;
+    if (!iNumVertices)  {
+        for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace)   {
+            ai_assert( nullptr != pcFace );
+            ai_assert(3 == pcFace->mNumIndices);
+            iNumVertices = std::max(iNumVertices,pcFace->mIndices[0]);
+            iNumVertices = std::max(iNumVertices,pcFace->mIndices[1]);
+            iNumVertices = std::max(iNumVertices,pcFace->mIndices[2]);
+        }
+    }
+
+    mNumVertices = iNumVertices;
+
+    unsigned int* pi;
+
+    // allocate storage
+    if (bComputeNumTriangles)   {
+        pi = mLiveTriangles = new unsigned int[iNumVertices+1];
+        ::memset(mLiveTriangles,0,sizeof(unsigned int)*(iNumVertices+1));
+        mOffsetTable = new unsigned int[iNumVertices+2]+1;
+    } else {
+        pi = mOffsetTable = new unsigned int[iNumVertices+2]+1;
+        ::memset(mOffsetTable,0,sizeof(unsigned int)*(iNumVertices+1));
+        mLiveTriangles = NULL; // important, otherwise the d'tor would crash
+    }
+
+    // get a pointer to the end of the buffer
+    unsigned int* piEnd = pi+iNumVertices;
+    *piEnd++ = 0u;
+
+    // first pass: compute the number of faces referencing each vertex
+    for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace)
+    {
+        unsigned nind = pcFace->mNumIndices;
+        unsigned * ind = pcFace->mIndices;
+        if (nind > 0) pi[ind[0]]++;
+        if (nind > 1) pi[ind[1]]++;
+        if (nind > 2) pi[ind[2]]++;
+    }
+
+    // second pass: compute the final offset table
+    unsigned int iSum = 0;
+    unsigned int* piCurOut = this->mOffsetTable;
+    for (unsigned int* piCur = pi; piCur != piEnd;++piCur,++piCurOut)   {
+
+        unsigned int iLastSum = iSum;
+        iSum += *piCur;
+        *piCurOut = iLastSum;
+    }
+    pi = this->mOffsetTable;
+
+    // third pass: compute the final table
+    this->mAdjacencyTable = new unsigned int[iSum];
+    iSum = 0;
+    for (aiFace* pcFace = pcFaces; pcFace != pcFaceEnd; ++pcFace,++iSum)    {
+        unsigned nind = pcFace->mNumIndices;
+        unsigned * ind = pcFace->mIndices;
+
+        if (nind > 0) mAdjacencyTable[pi[ind[0]]++] = iSum;
+        if (nind > 1) mAdjacencyTable[pi[ind[1]]++] = iSum;
+        if (nind > 2) mAdjacencyTable[pi[ind[2]]++] = iSum;
+    }
+    // fourth pass: undo the offset computations made during the third pass
+    // We could do this in a separate buffer, but this would be TIMES slower.
+    --mOffsetTable;
+    *mOffsetTable = 0u;
+}
+// ------------------------------------------------------------------------------------------------
+VertexTriangleAdjacency::~VertexTriangleAdjacency()
+{
+    // delete allocated storage
+    delete[] mOffsetTable;
+    delete[] mAdjacencyTable;
+    delete[] mLiveTriangles;
+}
diff --git a/thirdparty/assimp/code/VertexTriangleAdjacency.h b/thirdparty/assimp/code/VertexTriangleAdjacency.h
new file mode 100644
index 0000000000..f3be47612d
--- /dev/null
+++ b/thirdparty/assimp/code/VertexTriangleAdjacency.h
@@ -0,0 +1,117 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a helper class to compute a vertex-triangle adjacency map */
+#ifndef AI_VTADJACENCY_H_INC
+#define AI_VTADJACENCY_H_INC
+
+#include "BaseProcess.h"
+#include <assimp/types.h>
+#include <assimp/ai_assert.h>
+
+struct aiMesh;
+struct aiFace;
+
+namespace Assimp    {
+
+// --------------------------------------------------------------------------------------------
+/** @brief The VertexTriangleAdjacency class computes a vertex-triangle
+ *  adjacency map from a given index buffer.
+ *
+ *  @note Although it is called #VertexTriangleAdjacency, the current version does also
+ *    support arbitrary polygons. */
+// --------------------------------------------------------------------------------------------
+class ASSIMP_API VertexTriangleAdjacency {
+public:
+    // ----------------------------------------------------------------------------
+    /** @brief Construction from an existing index buffer
+     *  @param pcFaces Index buffer
+     *  @param iNumFaces Number of faces in the buffer
+     *  @param iNumVertices Number of referenced vertices. This value
+     *    is computed automatically if 0 is specified.
+     *  @param bComputeNumTriangles If you want the class to compute
+     *    a list containing the number of referenced triangles per vertex
+     *    per vertex - pass true.  */
+    VertexTriangleAdjacency(aiFace* pcFaces,unsigned int iNumFaces,
+        unsigned int iNumVertices = 0,
+        bool bComputeNumTriangles = true);
+
+    // ----------------------------------------------------------------------------
+    /** @brief Destructor */
+    ~VertexTriangleAdjacency();
+
+    // ----------------------------------------------------------------------------
+    /** @brief Get all triangles adjacent to a vertex
+     *  @param iVertIndex Index of the vertex
+     *  @return A pointer to the adjacency list. */
+    unsigned int* GetAdjacentTriangles(unsigned int iVertIndex) const {
+        ai_assert(iVertIndex < mNumVertices);
+        return &mAdjacencyTable[ mOffsetTable[iVertIndex]];
+    }
+
+    // ----------------------------------------------------------------------------
+    /** @brief Get the number of triangles that are referenced by
+     *    a vertex. This function returns a reference that can be modified
+     *  @param iVertIndex Index of the vertex
+     *  @return Number of referenced triangles */
+    unsigned int& GetNumTrianglesPtr(unsigned int iVertIndex) {
+        ai_assert( iVertIndex < mNumVertices );
+        ai_assert( nullptr != mLiveTriangles );
+        return mLiveTriangles[iVertIndex];
+    }
+
+    //! Offset table
+    unsigned int* mOffsetTable;
+
+    //! Adjacency table
+    unsigned int* mAdjacencyTable;
+
+    //! Table containing the number of referenced triangles per vertex
+    unsigned int* mLiveTriangles;
+
+    //! Debug: Number of referenced vertices
+    unsigned int mNumVertices;
+};
+
+} //! ns Assimp
+
+#endif // !! AI_VTADJACENCY_H_INC
diff --git a/thirdparty/assimp/code/Win32DebugLogStream.h b/thirdparty/assimp/code/Win32DebugLogStream.h
new file mode 100644
index 0000000000..a6063a261e
--- /dev/null
+++ b/thirdparty/assimp/code/Win32DebugLogStream.h
@@ -0,0 +1,95 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  Win32DebugLogStream.h
+*  @brief Implementation of Win32DebugLogStream
+*/
+#ifndef AI_WIN32DEBUGLOGSTREAM_H_INC
+#define AI_WIN32DEBUGLOGSTREAM_H_INC
+
+#ifdef _WIN32
+
+#include <assimp/LogStream.hpp>
+#include "windows.h"
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** @class  Win32DebugLogStream
+ *  @brief  Logs into the debug stream from win32.
+ */
+class Win32DebugLogStream : public LogStream {
+public:
+    /** @brief  Default constructor */
+    Win32DebugLogStream();
+
+    /** @brief  Destructor  */
+    ~Win32DebugLogStream();
+
+    /** @brief  Writer  */
+    void write(const char* messgae);
+};
+
+// ---------------------------------------------------------------------------
+inline 
+Win32DebugLogStream::Win32DebugLogStream(){ 
+    // empty
+}
+
+// ---------------------------------------------------------------------------
+inline 
+Win32DebugLogStream::~Win32DebugLogStream(){
+    // empty
+}
+
+// ---------------------------------------------------------------------------
+inline 
+void Win32DebugLogStream::write(const char* message) {
+    ::OutputDebugStringA( message);
+}
+
+// ---------------------------------------------------------------------------
+}   // Namespace Assimp
+
+#endif // ! _WIN32
+#endif // guard
diff --git a/thirdparty/assimp/code/res/resource.h b/thirdparty/assimp/code/res/resource.h
new file mode 100644
index 0000000000..37d39284fe
--- /dev/null
+++ b/thirdparty/assimp/code/res/resource.h
@@ -0,0 +1,14 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by assimp.rc
+
+// Nächste Standardwerte für neue Objekte
+// 
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        101
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
diff --git a/thirdparty/assimp/code/revision.h b/thirdparty/assimp/code/revision.h
new file mode 100644
index 0000000000..88872aef22
--- /dev/null
+++ b/thirdparty/assimp/code/revision.h
@@ -0,0 +1,7 @@
+#ifndef ASSIMP_REVISION_H_INC
+#define ASSIMP_REVISION_H_INC
+
+#define GitVersion 0x00000000
+#define GitBranch "master"
+
+#endif // ASSIMP_REVISION_H_INC
diff --git a/thirdparty/assimp/code/scene.cpp b/thirdparty/assimp/code/scene.cpp
new file mode 100644
index 0000000000..2acb348d81
--- /dev/null
+++ b/thirdparty/assimp/code/scene.cpp
@@ -0,0 +1,140 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include <assimp/scene.h>
+
+aiNode::aiNode()
+: mName("")
+, mParent(NULL)
+, mNumChildren(0)
+, mChildren(NULL)
+, mNumMeshes(0)
+, mMeshes(NULL)
+, mMetaData(NULL) {
+    // empty
+}
+
+aiNode::aiNode(const std::string& name)
+: mName(name)
+, mParent(NULL)
+, mNumChildren(0)
+, mChildren(NULL)
+, mNumMeshes(0)
+, mMeshes(NULL)
+, mMetaData(NULL) {
+    // empty
+}
+
+/** Destructor */
+aiNode::~aiNode() {
+    // delete all children recursively
+    // to make sure we won't crash if the data is invalid ...
+    if (mChildren && mNumChildren)
+    {
+        for (unsigned int a = 0; a < mNumChildren; a++)
+            delete mChildren[a];
+    }
+    delete[] mChildren;
+    delete[] mMeshes;
+    delete mMetaData;
+}
+
+const aiNode *aiNode::FindNode(const char* name) const {
+    if (nullptr == name) {
+        return nullptr;
+    }
+    if (!::strcmp(mName.data, name)) {
+        return this;
+    }
+    for (unsigned int i = 0; i < mNumChildren; ++i) {
+        const aiNode* const p = mChildren[i]->FindNode(name);
+        if (p) {
+            return p;
+        }
+    }
+    // there is definitely no sub-node with this name
+    return nullptr;
+}
+
+aiNode *aiNode::FindNode(const char* name) {
+    if (!::strcmp(mName.data, name))return this;
+    for (unsigned int i = 0; i < mNumChildren; ++i)
+    {
+        aiNode* const p = mChildren[i]->FindNode(name);
+        if (p) {
+            return p;
+        }
+    }
+    // there is definitely no sub-node with this name
+    return nullptr;
+}
+
+void aiNode::addChildren(unsigned int numChildren, aiNode **children) {
+    if (nullptr == children || 0 == numChildren) {
+        return;
+    }
+
+    for (unsigned int i = 0; i < numChildren; i++) {
+        aiNode *child = children[i];
+        if (nullptr != child) {
+            child->mParent = this;
+        }
+    }
+
+    if (mNumChildren > 0) {
+        aiNode **tmp = new aiNode*[mNumChildren];
+        ::memcpy(tmp, mChildren, sizeof(aiNode*) * mNumChildren);
+        delete[] mChildren;
+        mChildren = new aiNode*[mNumChildren + numChildren];
+        ::memcpy(mChildren, tmp, sizeof(aiNode*) * mNumChildren);
+        ::memcpy(&mChildren[mNumChildren], children, sizeof(aiNode*)* numChildren);
+        mNumChildren += numChildren;
+        delete[] tmp;
+    }
+    else {
+        mChildren = new aiNode*[numChildren];
+        for (unsigned int i = 0; i < numChildren; i++) {
+            mChildren[i] = children[i];
+        }
+        mNumChildren = numChildren;
+    }
+}
diff --git a/thirdparty/assimp/code/simd.cpp b/thirdparty/assimp/code/simd.cpp
new file mode 100644
index 0000000000..04615f408e
--- /dev/null
+++ b/thirdparty/assimp/code/simd.cpp
@@ -0,0 +1,79 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include "simd.h"
+
+namespace Assimp {
+
+bool CPUSupportsSSE2() {
+#if defined(__x86_64__) || defined(_M_X64)
+    //* x86_64 always has SSE2 instructions */
+    return true;
+#elif defined(__GNUC__) && defined(i386)
+    // for GCC x86 we check cpuid
+    unsigned int d;
+    __asm__(
+        "pushl %%ebx\n\t"
+        "cpuid\n\t"
+        "popl %%ebx\n\t"
+        : "=d" ( d )
+        :"a" ( 1 ) );
+    return ( d & 0x04000000 ) != 0;
+#elif (defined(_MSC_VER) && defined(_M_IX86))
+    // also check cpuid for MSVC x86
+    unsigned int d;
+    __asm {
+        xor     eax, eax
+        inc eax
+        push ebx
+        cpuid
+        pop ebx
+        mov d, edx
+    }
+    return ( d & 0x04000000 ) != 0;
+#else
+    return false;
+#endif
+}
+
+
+} // Namespace Assimp
diff --git a/thirdparty/assimp/code/simd.h b/thirdparty/assimp/code/simd.h
new file mode 100644
index 0000000000..3eecdd4581
--- /dev/null
+++ b/thirdparty/assimp/code/simd.h
@@ -0,0 +1,53 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#pragma once
+
+#include <assimp/defs.h>
+
+namespace Assimp {
+
+/// @brief  Checks if the platform supports SSE2 optimization
+/// @return true, if SSE2 is supported. false if SSE2 is not supported.
+bool ASSIMP_API CPUSupportsSSE2();
+
+} // Namespace Assimp
diff --git a/thirdparty/assimp/contrib/utf8cpp/source/utf8.h b/thirdparty/assimp/contrib/utf8cpp/source/utf8.h
new file mode 100644
index 0000000000..82b13f59f9
--- /dev/null
+++ b/thirdparty/assimp/contrib/utf8cpp/source/utf8.h
@@ -0,0 +1,34 @@
+// Copyright 2006 Nemanja Trifunovic
+
+/*
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+
+#ifndef UTF8_FOR_CPP_2675DCD0_9480_4c0c_B92A_CC14C027B731
+#define UTF8_FOR_CPP_2675DCD0_9480_4c0c_B92A_CC14C027B731
+
+#include "utf8/checked.h"
+#include "utf8/unchecked.h"
+
+#endif // header guard
diff --git a/thirdparty/assimp/contrib/utf8cpp/source/utf8/checked.h b/thirdparty/assimp/contrib/utf8cpp/source/utf8/checked.h
new file mode 100644
index 0000000000..1331155138
--- /dev/null
+++ b/thirdparty/assimp/contrib/utf8cpp/source/utf8/checked.h
@@ -0,0 +1,327 @@
+// Copyright 2006 Nemanja Trifunovic
+
+/*
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+
+#ifndef UTF8_FOR_CPP_CHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+#define UTF8_FOR_CPP_CHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+
+#include "core.h"
+#include <stdexcept>
+
+namespace utf8
+{
+    // Base for the exceptions that may be thrown from the library
+    class exception : public ::std::exception {
+    };
+
+    // Exceptions that may be thrown from the library functions.
+    class invalid_code_point : public exception {
+        uint32_t cp;
+    public:
+        invalid_code_point(uint32_t cp) : cp(cp) {}
+        virtual const char* what() const throw() { return "Invalid code point"; }
+        uint32_t code_point() const {return cp;}
+    };
+
+    class invalid_utf8 : public exception {
+        uint8_t u8;
+    public:
+        invalid_utf8 (uint8_t u) : u8(u) {}
+        virtual const char* what() const throw() { return "Invalid UTF-8"; }
+        uint8_t utf8_octet() const {return u8;}
+    };
+
+    class invalid_utf16 : public exception {
+        uint16_t u16;
+    public:
+        invalid_utf16 (uint16_t u) : u16(u) {}
+        virtual const char* what() const throw() { return "Invalid UTF-16"; }
+        uint16_t utf16_word() const {return u16;}
+    };
+
+    class not_enough_room : public exception {
+    public:
+        virtual const char* what() const throw() { return "Not enough space"; }
+    };
+
+    /// The library API - functions intended to be called by the users
+
+    template <typename octet_iterator>
+    octet_iterator append(uint32_t cp, octet_iterator result)
+    {
+        if (!utf8::internal::is_code_point_valid(cp))
+            throw invalid_code_point(cp);
+
+        if (cp < 0x80)                        // one octet
+            *(result++) = static_cast<uint8_t>(cp);
+        else if (cp < 0x800) {                // two octets
+            *(result++) = static_cast<uint8_t>((cp >> 6)            | 0xc0);
+            *(result++) = static_cast<uint8_t>((cp & 0x3f)          | 0x80);
+        }
+        else if (cp < 0x10000) {              // three octets
+            *(result++) = static_cast<uint8_t>((cp >> 12)           | 0xe0);
+            *(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f)   | 0x80);
+            *(result++) = static_cast<uint8_t>((cp & 0x3f)          | 0x80);
+        }
+        else {                                // four octets
+            *(result++) = static_cast<uint8_t>((cp >> 18)           | 0xf0);
+            *(result++) = static_cast<uint8_t>(((cp >> 12) & 0x3f)  | 0x80);
+            *(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f)   | 0x80);
+            *(result++) = static_cast<uint8_t>((cp & 0x3f)          | 0x80);
+        }
+        return result;
+    }
+
+    template <typename octet_iterator, typename output_iterator>
+    output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out, uint32_t replacement)
+    {
+        while (start != end) {
+            octet_iterator sequence_start = start;
+            internal::utf_error err_code = utf8::internal::validate_next(start, end);
+            switch (err_code) {
+                case internal::UTF8_OK :
+                    for (octet_iterator it = sequence_start; it != start; ++it)
+                        *out++ = *it;
+                    break;
+                case internal::NOT_ENOUGH_ROOM:
+                    throw not_enough_room();
+                case internal::INVALID_LEAD:
+                    out = utf8::append (replacement, out);
+                    ++start;
+                    break;
+                case internal::INCOMPLETE_SEQUENCE:
+                case internal::OVERLONG_SEQUENCE:
+                case internal::INVALID_CODE_POINT:
+                    out = utf8::append (replacement, out);
+                    ++start;
+                    // just one replacement mark for the sequence
+                    while (start != end && utf8::internal::is_trail(*start))
+                        ++start;
+                    break;
+            }
+        }
+        return out;
+    }
+
+    template <typename octet_iterator, typename output_iterator>
+    inline output_iterator replace_invalid(octet_iterator start, octet_iterator end, output_iterator out)
+    {
+        static const uint32_t replacement_marker = utf8::internal::mask16(0xfffd);
+        return utf8::replace_invalid(start, end, out, replacement_marker);
+    }
+
+    template <typename octet_iterator>
+    uint32_t next(octet_iterator& it, octet_iterator end)
+    {
+        uint32_t cp = 0;
+        internal::utf_error err_code = utf8::internal::validate_next(it, end, cp);
+        switch (err_code) {
+            case internal::UTF8_OK :
+                break;
+            case internal::NOT_ENOUGH_ROOM :
+                throw not_enough_room();
+            case internal::INVALID_LEAD :
+            case internal::INCOMPLETE_SEQUENCE :
+            case internal::OVERLONG_SEQUENCE :
+                throw invalid_utf8(*it);
+            case internal::INVALID_CODE_POINT :
+                throw invalid_code_point(cp);
+        }
+        return cp;
+    }
+
+    template <typename octet_iterator>
+    uint32_t peek_next(octet_iterator it, octet_iterator end)
+    {
+        return utf8::next(it, end);
+    }
+
+    template <typename octet_iterator>
+    uint32_t prior(octet_iterator& it, octet_iterator start)
+    {
+        // can't do much if it == start
+        if (it == start)
+            throw not_enough_room();
+
+        octet_iterator end = it;
+        // Go back until we hit either a lead octet or start
+        while (utf8::internal::is_trail(*(--it)))
+            if (it == start)
+                throw invalid_utf8(*it); // error - no lead byte in the sequence
+        return utf8::peek_next(it, end);
+    }
+
+    /// Deprecated in versions that include "prior"
+    template <typename octet_iterator>
+    uint32_t previous(octet_iterator& it, octet_iterator pass_start)
+    {
+        octet_iterator end = it;
+        while (utf8::internal::is_trail(*(--it)))
+            if (it == pass_start)
+                throw invalid_utf8(*it); // error - no lead byte in the sequence
+        octet_iterator temp = it;
+        return utf8::next(temp, end);
+    }
+
+    template <typename octet_iterator, typename distance_type>
+    void advance (octet_iterator& it, distance_type n, octet_iterator end)
+    {
+        for (distance_type i = 0; i < n; ++i)
+            utf8::next(it, end);
+    }
+
+    template <typename octet_iterator>
+    typename std::iterator_traits<octet_iterator>::difference_type
+    distance (octet_iterator first, octet_iterator last)
+    {
+        typename std::iterator_traits<octet_iterator>::difference_type dist;
+        for (dist = 0; first < last; ++dist)
+            utf8::next(first, last);
+        return dist;
+    }
+
+    template <typename u16bit_iterator, typename octet_iterator>
+    octet_iterator utf16to8 (u16bit_iterator start, u16bit_iterator end, octet_iterator result)
+    {
+        while (start != end) {
+            uint32_t cp = utf8::internal::mask16(*start++);
+            // Take care of surrogate pairs first
+            if (utf8::internal::is_lead_surrogate(cp)) {
+                if (start != end) {
+                    uint32_t trail_surrogate = utf8::internal::mask16(*start++);
+                    if (utf8::internal::is_trail_surrogate(trail_surrogate))
+                        cp = (cp << 10) + trail_surrogate + internal::SURROGATE_OFFSET;
+                    else
+                        throw invalid_utf16(static_cast<uint16_t>(trail_surrogate));
+                }
+                else
+                    throw invalid_utf16(static_cast<uint16_t>(cp));
+
+            }
+            // Lone trail surrogate
+            else if (utf8::internal::is_trail_surrogate(cp))
+                throw invalid_utf16(static_cast<uint16_t>(cp));
+
+            result = utf8::append(cp, result);
+        }
+        return result;
+    }
+
+    template <typename u16bit_iterator, typename octet_iterator>
+    u16bit_iterator utf8to16 (octet_iterator start, octet_iterator end, u16bit_iterator result)
+    {
+        while (start != end) {
+            uint32_t cp = utf8::next(start, end);
+            if (cp > 0xffff) { //make a surrogate pair
+                *result++ = static_cast<uint16_t>((cp >> 10)   + internal::LEAD_OFFSET);
+                *result++ = static_cast<uint16_t>((cp & 0x3ff) + internal::TRAIL_SURROGATE_MIN);
+            }
+            else
+                *result++ = static_cast<uint16_t>(cp);
+        }
+        return result;
+    }
+
+    template <typename octet_iterator, typename u32bit_iterator>
+    octet_iterator utf32to8 (u32bit_iterator start, u32bit_iterator end, octet_iterator result)
+    {
+        while (start != end)
+            result = utf8::append(*(start++), result);
+
+        return result;
+    }
+
+    template <typename octet_iterator, typename u32bit_iterator>
+    u32bit_iterator utf8to32 (octet_iterator start, octet_iterator end, u32bit_iterator result)
+    {
+        while (start != end)
+            (*result++) = utf8::next(start, end);
+
+        return result;
+    }
+
+    // The iterator class
+    template <typename octet_iterator>
+    class iterator : public std::iterator <std::bidirectional_iterator_tag, uint32_t> {
+      octet_iterator it;
+      octet_iterator range_start;
+      octet_iterator range_end;
+      public:
+      iterator () {}
+      explicit iterator (const octet_iterator& octet_it,
+                         const octet_iterator& range_start,
+                         const octet_iterator& range_end) :
+               it(octet_it), range_start(range_start), range_end(range_end)
+      {
+          if (it < range_start || it > range_end)
+              throw std::out_of_range("Invalid utf-8 iterator position");
+      }
+      // the default "big three" are OK
+      octet_iterator base () const { return it; }
+      uint32_t operator * () const
+      {
+          octet_iterator temp = it;
+          return utf8::next(temp, range_end);
+      }
+      bool operator == (const iterator& rhs) const
+      {
+          if (range_start != rhs.range_start || range_end != rhs.range_end)
+              throw std::logic_error("Comparing utf-8 iterators defined with different ranges");
+          return (it == rhs.it);
+      }
+      bool operator != (const iterator& rhs) const
+      {
+          return !(operator == (rhs));
+      }
+      iterator& operator ++ ()
+      {
+          utf8::next(it, range_end);
+          return *this;
+      }
+      iterator operator ++ (int)
+      {
+          iterator temp = *this;
+          utf8::next(it, range_end);
+          return temp;
+      }
+      iterator& operator -- ()
+      {
+          utf8::prior(it, range_start);
+          return *this;
+      }
+      iterator operator -- (int)
+      {
+          iterator temp = *this;
+          utf8::prior(it, range_start);
+          return temp;
+      }
+    }; // class iterator
+
+} // namespace utf8
+
+#endif //header guard
+
+
diff --git a/thirdparty/assimp/contrib/utf8cpp/source/utf8/core.h b/thirdparty/assimp/contrib/utf8cpp/source/utf8/core.h
new file mode 100644
index 0000000000..693d388c07
--- /dev/null
+++ b/thirdparty/assimp/contrib/utf8cpp/source/utf8/core.h
@@ -0,0 +1,329 @@
+// Copyright 2006 Nemanja Trifunovic
+
+/*
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+
+#ifndef UTF8_FOR_CPP_CORE_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+#define UTF8_FOR_CPP_CORE_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+
+#include <iterator>
+
+namespace utf8
+{
+    // The typedefs for 8-bit, 16-bit and 32-bit unsigned integers
+    // You may need to change them to match your system.
+    // These typedefs have the same names as ones from cstdint, or boost/cstdint
+    typedef unsigned char   uint8_t;
+    typedef unsigned short  uint16_t;
+    typedef unsigned int    uint32_t;
+
+// Helper code - not intended to be directly called by the library users. May be changed at any time
+namespace internal
+{
+    // Unicode constants
+    // Leading (high) surrogates: 0xd800 - 0xdbff
+    // Trailing (low) surrogates: 0xdc00 - 0xdfff
+    const uint16_t LEAD_SURROGATE_MIN  = 0xd800u;
+    const uint16_t LEAD_SURROGATE_MAX  = 0xdbffu;
+    const uint16_t TRAIL_SURROGATE_MIN = 0xdc00u;
+    const uint16_t TRAIL_SURROGATE_MAX = 0xdfffu;
+    const uint16_t LEAD_OFFSET         = LEAD_SURROGATE_MIN - (0x10000 >> 10);
+    const uint32_t SURROGATE_OFFSET    = 0x10000u - (LEAD_SURROGATE_MIN << 10) - TRAIL_SURROGATE_MIN;
+
+    // Maximum valid value for a Unicode code point
+    const uint32_t CODE_POINT_MAX      = 0x0010ffffu;
+
+    template<typename octet_type>
+    inline uint8_t mask8(octet_type oc)
+    {
+        return static_cast<uint8_t>(0xff & oc);
+    }
+    template<typename u16_type>
+    inline uint16_t mask16(u16_type oc)
+    {
+        return static_cast<uint16_t>(0xffff & oc);
+    }
+    template<typename octet_type>
+    inline bool is_trail(octet_type oc)
+    {
+        return ((utf8::internal::mask8(oc) >> 6) == 0x2);
+    }
+
+    template <typename u16>
+    inline bool is_lead_surrogate(u16 cp)
+    {
+        return (cp >= LEAD_SURROGATE_MIN && cp <= LEAD_SURROGATE_MAX);
+    }
+
+    template <typename u16>
+    inline bool is_trail_surrogate(u16 cp)
+    {
+        return (cp >= TRAIL_SURROGATE_MIN && cp <= TRAIL_SURROGATE_MAX);
+    }
+
+    template <typename u16>
+    inline bool is_surrogate(u16 cp)
+    {
+        return (cp >= LEAD_SURROGATE_MIN && cp <= TRAIL_SURROGATE_MAX);
+    }
+
+    template <typename u32>
+    inline bool is_code_point_valid(u32 cp)
+    {
+        return (cp <= CODE_POINT_MAX && !utf8::internal::is_surrogate(cp));
+    }
+
+    template <typename octet_iterator>
+    inline typename std::iterator_traits<octet_iterator>::difference_type
+    sequence_length(octet_iterator lead_it)
+    {
+        uint8_t lead = utf8::internal::mask8(*lead_it);
+        if (lead < 0x80)
+            return 1;
+        else if ((lead >> 5) == 0x6)
+            return 2;
+        else if ((lead >> 4) == 0xe)
+            return 3;
+        else if ((lead >> 3) == 0x1e)
+            return 4;
+        else
+            return 0;
+    }
+
+    template <typename octet_difference_type>
+    inline bool is_overlong_sequence(uint32_t cp, octet_difference_type length)
+    {
+        if (cp < 0x80) {
+            if (length != 1) 
+                return true;
+        }
+        else if (cp < 0x800) {
+            if (length != 2) 
+                return true;
+        }
+        else if (cp < 0x10000) {
+            if (length != 3) 
+                return true;
+        }
+
+        return false;
+    }
+
+    enum utf_error {UTF8_OK, NOT_ENOUGH_ROOM, INVALID_LEAD, INCOMPLETE_SEQUENCE, OVERLONG_SEQUENCE, INVALID_CODE_POINT};
+
+    /// Helper for get_sequence_x
+    template <typename octet_iterator>
+    utf_error increase_safely(octet_iterator& it, octet_iterator end)
+    {
+        if (++it == end)
+            return NOT_ENOUGH_ROOM;
+
+        if (!utf8::internal::is_trail(*it))
+            return INCOMPLETE_SEQUENCE;
+        
+        return UTF8_OK;
+    }
+
+    #define UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(IT, END) {utf_error ret = increase_safely(IT, END); if (ret != UTF8_OK) return ret;}    
+
+    /// get_sequence_x functions decode utf-8 sequences of the length x
+    template <typename octet_iterator>
+    utf_error get_sequence_1(octet_iterator& it, octet_iterator end, uint32_t& code_point)
+    {
+        if (it == end)
+            return NOT_ENOUGH_ROOM;
+
+        code_point = utf8::internal::mask8(*it);
+
+        return UTF8_OK;
+    }
+
+    template <typename octet_iterator>
+    utf_error get_sequence_2(octet_iterator& it, octet_iterator end, uint32_t& code_point)
+    {
+        if (it == end) 
+            return NOT_ENOUGH_ROOM;
+        
+        code_point = utf8::internal::mask8(*it);
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point = ((code_point << 6) & 0x7ff) + ((*it) & 0x3f);
+
+        return UTF8_OK;
+    }
+
+    template <typename octet_iterator>
+    utf_error get_sequence_3(octet_iterator& it, octet_iterator end, uint32_t& code_point)
+    {
+        if (it == end)
+            return NOT_ENOUGH_ROOM;
+            
+        code_point = utf8::internal::mask8(*it);
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point = ((code_point << 12) & 0xffff) + ((utf8::internal::mask8(*it) << 6) & 0xfff);
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point += (*it) & 0x3f;
+
+        return UTF8_OK;
+    }
+
+    template <typename octet_iterator>
+    utf_error get_sequence_4(octet_iterator& it, octet_iterator end, uint32_t& code_point)
+    {
+        if (it == end)
+           return NOT_ENOUGH_ROOM;
+
+        code_point = utf8::internal::mask8(*it);
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point = ((code_point << 18) & 0x1fffff) + ((utf8::internal::mask8(*it) << 12) & 0x3ffff);
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point += (utf8::internal::mask8(*it) << 6) & 0xfff;
+
+        UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR(it, end)
+
+        code_point += (*it) & 0x3f;
+
+        return UTF8_OK;
+    }
+
+    #undef UTF8_CPP_INCREASE_AND_RETURN_ON_ERROR
+
+    template <typename octet_iterator>
+    utf_error validate_next(octet_iterator& it, octet_iterator end, uint32_t& code_point)
+    {
+        // Save the original value of it so we can go back in case of failure
+        // Of course, it does not make much sense with i.e. stream iterators
+        octet_iterator original_it = it;
+
+        uint32_t cp = 0;
+        // Determine the sequence length based on the lead octet
+        typedef typename std::iterator_traits<octet_iterator>::difference_type octet_difference_type;
+        const octet_difference_type length = utf8::internal::sequence_length(it);
+
+        // Get trail octets and calculate the code point
+        utf_error err = UTF8_OK;
+        switch (length) {
+            case 0: 
+                return INVALID_LEAD;
+            case 1:
+                err = utf8::internal::get_sequence_1(it, end, cp);
+                break;
+            case 2:
+                err = utf8::internal::get_sequence_2(it, end, cp);
+            break;
+            case 3:
+                err = utf8::internal::get_sequence_3(it, end, cp);
+            break;
+            case 4:
+                err = utf8::internal::get_sequence_4(it, end, cp);
+            break;
+        }
+
+        if (err == UTF8_OK) {
+            // Decoding succeeded. Now, security checks...
+            if (utf8::internal::is_code_point_valid(cp)) {
+                if (!utf8::internal::is_overlong_sequence(cp, length)){
+                    // Passed! Return here.
+                    code_point = cp;
+                    ++it;
+                    return UTF8_OK;
+                }
+                else
+                    err = OVERLONG_SEQUENCE;
+            }
+            else 
+                err = INVALID_CODE_POINT;
+        }
+
+        // Failure branch - restore the original value of the iterator
+        it = original_it;
+        return err;
+    }
+
+    template <typename octet_iterator>
+    inline utf_error validate_next(octet_iterator& it, octet_iterator end) {
+        uint32_t ignored;
+        return utf8::internal::validate_next(it, end, ignored);
+    }
+
+} // namespace internal
+
+    /// The library API - functions intended to be called by the users
+
+    // Byte order mark
+    const uint8_t bom[] = {0xef, 0xbb, 0xbf};
+
+    template <typename octet_iterator>
+    octet_iterator find_invalid(octet_iterator start, octet_iterator end)
+    {
+        octet_iterator result = start;
+        while (result != end) {
+            utf8::internal::utf_error err_code = utf8::internal::validate_next(result, end);
+            if (err_code != internal::UTF8_OK)
+                return result;
+        }
+        return result;
+    }
+
+    template <typename octet_iterator>
+    inline bool is_valid(octet_iterator start, octet_iterator end)
+    {
+        return (utf8::find_invalid(start, end) == end);
+    }
+
+    template <typename octet_iterator>
+    inline bool starts_with_bom (octet_iterator it, octet_iterator end)
+    {
+        return (
+            ((it != end) && (utf8::internal::mask8(*it++)) == bom[0]) &&
+            ((it != end) && (utf8::internal::mask8(*it++)) == bom[1]) &&
+            ((it != end) && (utf8::internal::mask8(*it))   == bom[2])
+           );
+    }
+	
+    //Deprecated in release 2.3 
+    template <typename octet_iterator>
+    inline bool is_bom (octet_iterator it)
+    {
+        return (
+            (utf8::internal::mask8(*it++)) == bom[0] &&
+            (utf8::internal::mask8(*it++)) == bom[1] &&
+            (utf8::internal::mask8(*it))   == bom[2]
+           );
+    }
+} // namespace utf8
+
+#endif // header guard
+
+
diff --git a/thirdparty/assimp/contrib/utf8cpp/source/utf8/unchecked.h b/thirdparty/assimp/contrib/utf8cpp/source/utf8/unchecked.h
new file mode 100644
index 0000000000..cb2427166b
--- /dev/null
+++ b/thirdparty/assimp/contrib/utf8cpp/source/utf8/unchecked.h
@@ -0,0 +1,228 @@
+// Copyright 2006 Nemanja Trifunovic
+
+/*
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+*/
+
+
+#ifndef UTF8_FOR_CPP_UNCHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+#define UTF8_FOR_CPP_UNCHECKED_H_2675DCD0_9480_4c0c_B92A_CC14C027B731
+
+#include "core.h"
+
+namespace utf8
+{
+    namespace unchecked 
+    {
+        template <typename octet_iterator>
+        octet_iterator append(uint32_t cp, octet_iterator result)
+        {
+            if (cp < 0x80)                        // one octet
+                *(result++) = static_cast<uint8_t>(cp);  
+            else if (cp < 0x800) {                // two octets
+                *(result++) = static_cast<uint8_t>((cp >> 6)          | 0xc0);
+                *(result++) = static_cast<uint8_t>((cp & 0x3f)        | 0x80);
+            }
+            else if (cp < 0x10000) {              // three octets
+                *(result++) = static_cast<uint8_t>((cp >> 12)         | 0xe0);
+                *(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f) | 0x80);
+                *(result++) = static_cast<uint8_t>((cp & 0x3f)        | 0x80);
+            }
+            else {                                // four octets
+                *(result++) = static_cast<uint8_t>((cp >> 18)         | 0xf0);
+                *(result++) = static_cast<uint8_t>(((cp >> 12) & 0x3f)| 0x80);
+                *(result++) = static_cast<uint8_t>(((cp >> 6) & 0x3f) | 0x80);
+                *(result++) = static_cast<uint8_t>((cp & 0x3f)        | 0x80);
+            }
+            return result;
+        }
+
+        template <typename octet_iterator>
+        uint32_t next(octet_iterator& it)
+        {
+            uint32_t cp = utf8::internal::mask8(*it);
+            typename std::iterator_traits<octet_iterator>::difference_type length = utf8::internal::sequence_length(it);
+            switch (length) {
+                case 1:
+                    break;
+                case 2:
+                    it++;
+                    cp = ((cp << 6) & 0x7ff) + ((*it) & 0x3f);
+                    break;
+                case 3:
+                    ++it; 
+                    cp = ((cp << 12) & 0xffff) + ((utf8::internal::mask8(*it) << 6) & 0xfff);
+                    ++it;
+                    cp += (*it) & 0x3f;
+                    break;
+                case 4:
+                    ++it;
+                    cp = ((cp << 18) & 0x1fffff) + ((utf8::internal::mask8(*it) << 12) & 0x3ffff);                
+                    ++it;
+                    cp += (utf8::internal::mask8(*it) << 6) & 0xfff;
+                    ++it;
+                    cp += (*it) & 0x3f; 
+                    break;
+            }
+            ++it;
+            return cp;        
+        }
+
+        template <typename octet_iterator>
+        uint32_t peek_next(octet_iterator it)
+        {
+            return utf8::unchecked::next(it);    
+        }
+
+        template <typename octet_iterator>
+        uint32_t prior(octet_iterator& it)
+        {
+            while (utf8::internal::is_trail(*(--it))) ;
+            octet_iterator temp = it;
+            return utf8::unchecked::next(temp);
+        }
+
+        // Deprecated in versions that include prior, but only for the sake of consistency (see utf8::previous)
+        template <typename octet_iterator>
+        inline uint32_t previous(octet_iterator& it)
+        {
+            return utf8::unchecked::prior(it);
+        }
+
+        template <typename octet_iterator, typename distance_type>
+        void advance (octet_iterator& it, distance_type n)
+        {
+            for (distance_type i = 0; i < n; ++i)
+                utf8::unchecked::next(it);
+        }
+
+        template <typename octet_iterator>
+        typename std::iterator_traits<octet_iterator>::difference_type
+        distance (octet_iterator first, octet_iterator last)
+        {
+            typename std::iterator_traits<octet_iterator>::difference_type dist;
+            for (dist = 0; first < last; ++dist) 
+                utf8::unchecked::next(first);
+            return dist;
+        }
+
+        template <typename u16bit_iterator, typename octet_iterator>
+        octet_iterator utf16to8 (u16bit_iterator start, u16bit_iterator end, octet_iterator result)
+        {       
+            while (start != end) {
+                uint32_t cp = utf8::internal::mask16(*start++);
+            // Take care of surrogate pairs first
+                if (utf8::internal::is_lead_surrogate(cp)) {
+                    uint32_t trail_surrogate = utf8::internal::mask16(*start++);
+                    cp = (cp << 10) + trail_surrogate + internal::SURROGATE_OFFSET;
+                }
+                result = utf8::unchecked::append(cp, result);
+            }
+            return result;         
+        }
+
+        template <typename u16bit_iterator, typename octet_iterator>
+        u16bit_iterator utf8to16 (octet_iterator start, octet_iterator end, u16bit_iterator result)
+        {
+            while (start < end) {
+                uint32_t cp = utf8::unchecked::next(start);
+                if (cp > 0xffff) { //make a surrogate pair
+                    *result++ = static_cast<uint16_t>((cp >> 10)   + internal::LEAD_OFFSET);
+                    *result++ = static_cast<uint16_t>((cp & 0x3ff) + internal::TRAIL_SURROGATE_MIN);
+                }
+                else
+                    *result++ = static_cast<uint16_t>(cp);
+            }
+            return result;
+        }
+
+        template <typename octet_iterator, typename u32bit_iterator>
+        octet_iterator utf32to8 (u32bit_iterator start, u32bit_iterator end, octet_iterator result)
+        {
+            while (start != end)
+                result = utf8::unchecked::append(*(start++), result);
+
+            return result;
+        }
+
+        template <typename octet_iterator, typename u32bit_iterator>
+        u32bit_iterator utf8to32 (octet_iterator start, octet_iterator end, u32bit_iterator result)
+        {
+            while (start < end)
+                (*result++) = utf8::unchecked::next(start);
+
+            return result;
+        }
+
+        // The iterator class
+        template <typename octet_iterator>
+          class iterator : public std::iterator <std::bidirectional_iterator_tag, uint32_t> { 
+            octet_iterator it;
+            public:
+            iterator () {}
+            explicit iterator (const octet_iterator& octet_it): it(octet_it) {}
+            // the default "big three" are OK
+            octet_iterator base () const { return it; }
+            uint32_t operator * () const
+            {
+                octet_iterator temp = it;
+                return utf8::unchecked::next(temp);
+            }
+            bool operator == (const iterator& rhs) const 
+            { 
+                return (it == rhs.it);
+            }
+            bool operator != (const iterator& rhs) const
+            {
+                return !(operator == (rhs));
+            }
+            iterator& operator ++ () 
+            {
+                ::std::advance(it, utf8::internal::sequence_length(it));
+                return *this;
+            }
+            iterator operator ++ (int)
+            {
+                iterator temp = *this;
+                ::std::advance(it, utf8::internal::sequence_length(it));
+                return temp;
+            }  
+            iterator& operator -- ()
+            {
+                utf8::unchecked::prior(it);
+                return *this;
+            }
+            iterator operator -- (int)
+            {
+                iterator temp = *this;
+                utf8::unchecked::prior(it);
+                return temp;
+            }
+          }; // class iterator
+
+    } // namespace utf8::unchecked
+} // namespace utf8 
+
+
+#endif // header guard
+
diff --git a/thirdparty/assimp/include/assimp/.editorconfig b/thirdparty/assimp/include/assimp/.editorconfig
new file mode 100644
index 0000000000..9ea66423ad
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/.editorconfig
@@ -0,0 +1,8 @@
+# See <http://EditorConfig.org> for details
+
+[*.{h,hpp,inl}]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_size = 4
+indent_style = space
diff --git a/thirdparty/assimp/include/assimp/BaseImporter.h b/thirdparty/assimp/include/assimp/BaseImporter.h
new file mode 100644
index 0000000000..48dfc8ed8b
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/BaseImporter.h
@@ -0,0 +1,361 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Definition of the base class for all importer worker classes. */
+#ifndef INCLUDED_AI_BASEIMPORTER_H
+#define INCLUDED_AI_BASEIMPORTER_H
+
+#include "Exceptional.h"
+
+#include <vector>
+#include <set>
+#include <assimp/types.h>
+#include <assimp/ProgressHandler.hpp>
+
+struct aiScene;
+struct aiImporterDesc;
+
+namespace Assimp    {
+
+class Importer;
+class IOSystem;
+class BaseProcess;
+class SharedPostProcessInfo;
+class IOStream;
+
+// utility to do char4 to uint32 in a portable manner
+#define AI_MAKE_MAGIC(string) ((uint32_t)((string[0] << 24) + \
+    (string[1] << 16) + (string[2] << 8) + string[3]))
+
+
+// ---------------------------------------------------------------------------
+/** FOR IMPORTER PLUGINS ONLY: The BaseImporter defines a common interface
+ *  for all importer worker classes.
+ *
+ * The interface defines two functions: CanRead() is used to check if the
+ * importer can handle the format of the given file. If an implementation of
+ * this function returns true, the importer then calls ReadFile() which
+ * imports the given file. ReadFile is not overridable, it just calls
+ * InternReadFile() and catches any ImportErrorException that might occur.
+ */
+class ASSIMP_API BaseImporter {
+    friend class Importer;
+
+public:
+
+    /** Constructor to be privately used by #Importer */
+    BaseImporter() AI_NO_EXCEPT;
+
+    /** Destructor, private as well */
+    virtual ~BaseImporter();
+
+    // -------------------------------------------------------------------
+    /** Returns whether the class can handle the format of the given file.
+     *
+     * The implementation should be as quick as possible. A check for
+     * the file extension is enough. If no suitable loader is found with
+     * this strategy, CanRead() is called again, the 'checkSig' parameter
+     * set to true this time. Now the implementation is expected to
+     * perform a full check of the file structure, possibly searching the
+     * first bytes of the file for magic identifiers or keywords.
+     *
+     * @param pFile Path and file name of the file to be examined.
+     * @param pIOHandler The IO handler to use for accessing any file.
+     * @param checkSig Set to true if this method is called a second time.
+     *   This time, the implementation may take more time to examine the
+     *   contents of the file to be loaded for magic bytes, keywords, etc
+     *   to be able to load files with unknown/not existent file extensions.
+     * @return true if the class can read this file, false if not.
+     */
+    virtual bool CanRead(
+        const std::string& pFile,
+        IOSystem* pIOHandler,
+        bool checkSig
+        ) const = 0;
+
+    // -------------------------------------------------------------------
+    /** Imports the given file and returns the imported data.
+     * If the import succeeds, ownership of the data is transferred to
+     * the caller. If the import fails, NULL is returned. The function
+     * takes care that any partially constructed data is destroyed
+     * beforehand.
+     *
+     * @param pImp #Importer object hosting this loader.
+     * @param pFile Path of the file to be imported.
+     * @param pIOHandler IO-Handler used to open this and possible other files.
+     * @return The imported data or NULL if failed. If it failed a
+     * human-readable error description can be retrieved by calling
+     * GetErrorText()
+     *
+     * @note This function is not intended to be overridden. Implement
+     * InternReadFile() to do the import. If an exception is thrown somewhere
+     * in InternReadFile(), this function will catch it and transform it into
+     *  a suitable response to the caller.
+     */
+    aiScene* ReadFile(
+        const Importer* pImp,
+        const std::string& pFile,
+        IOSystem* pIOHandler
+        );
+
+    // -------------------------------------------------------------------
+    /** Returns the error description of the last error that occurred.
+     * @return A description of the last error that occurred. An empty
+     * string if there was no error.
+     */
+    const std::string& GetErrorText() const {
+        return m_ErrorText;
+    }
+
+    // -------------------------------------------------------------------
+    /** Called prior to ReadFile().
+     * The function is a request to the importer to update its configuration
+     * basing on the Importer's configuration property list.
+     * @param pImp Importer instance
+     */
+    virtual void SetupProperties(
+        const Importer* pImp
+        );
+
+    // -------------------------------------------------------------------
+    /** Called by #Importer::GetImporterInfo to get a description of
+     *  some loader features. Importers must provide this information. */
+    virtual const aiImporterDesc* GetInfo() const = 0;
+
+    // -------------------------------------------------------------------
+    /** Called by #Importer::GetExtensionList for each loaded importer.
+     *  Take the extension list contained in the structure returned by
+     *  #GetInfo and insert all file extensions into the given set.
+     *  @param extension set to collect file extensions in*/
+    void GetExtensionList(std::set<std::string>& extensions);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Imports the given file into the given scene structure. The
+     * function is expected to throw an ImportErrorException if there is
+     * an error. If it terminates normally, the data in aiScene is
+     * expected to be correct. Override this function to implement the
+     * actual importing.
+     * <br>
+     *  The output scene must meet the following requirements:<br>
+     * <ul>
+     * <li>At least a root node must be there, even if its only purpose
+     *     is to reference one mesh.</li>
+     * <li>aiMesh::mPrimitiveTypes may be 0. The types of primitives
+     *   in the mesh are determined automatically in this case.</li>
+     * <li>the vertex data is stored in a pseudo-indexed "verbose" format.
+     *   In fact this means that every vertex that is referenced by
+     *   a face is unique. Or the other way round: a vertex index may
+     *   not occur twice in a single aiMesh.</li>
+     * <li>aiAnimation::mDuration may be -1. Assimp determines the length
+     *   of the animation automatically in this case as the length of
+     *   the longest animation channel.</li>
+     * <li>aiMesh::mBitangents may be NULL if tangents and normals are
+     *   given. In this case bitangents are computed as the cross product
+     *   between normal and tangent.</li>
+     * <li>There needn't be a material. If none is there a default material
+     *   is generated. However, it is recommended practice for loaders
+     *   to generate a default material for yourself that matches the
+     *   default material setting for the file format better than Assimp's
+     *   generic default material. Note that default materials *should*
+     *   be named AI_DEFAULT_MATERIAL_NAME if they're just color-shaded
+     *   or AI_DEFAULT_TEXTURED_MATERIAL_NAME if they define a (dummy)
+     *   texture. </li>
+     * </ul>
+     * If the AI_SCENE_FLAGS_INCOMPLETE-Flag is <b>not</b> set:<ul>
+     * <li> at least one mesh must be there</li>
+     * <li> there may be no meshes with 0 vertices or faces</li>
+     * </ul>
+     * This won't be checked (except by the validation step): Assimp will
+     * crash if one of the conditions is not met!
+     *
+     * @param pFile Path of the file to be imported.
+     * @param pScene The scene object to hold the imported data.
+     * NULL is not a valid parameter.
+     * @param pIOHandler The IO handler to use for any file access.
+     * NULL is not a valid parameter. */
+    virtual void InternReadFile(
+        const std::string& pFile,
+        aiScene* pScene,
+        IOSystem* pIOHandler
+        ) = 0;
+
+public: // static utilities
+
+    // -------------------------------------------------------------------
+    /** A utility for CanRead().
+     *
+     *  The function searches the header of a file for a specific token
+     *  and returns true if this token is found. This works for text
+     *  files only. There is a rudimentary handling of UNICODE files.
+     *  The comparison is case independent.
+     *
+     *  @param pIOSystem IO System to work with
+     *  @param file File name of the file
+     *  @param tokens List of tokens to search for
+     *  @param numTokens Size of the token array
+     *  @param searchBytes Number of bytes to be searched for the tokens.
+     */
+    static bool SearchFileHeaderForToken(
+        IOSystem* pIOSystem,
+        const std::string&  file,
+        const char** tokens,
+        unsigned int numTokens,
+        unsigned int searchBytes = 200,
+        bool tokensSol = false,
+        bool noAlphaBeforeTokens = false);
+
+    // -------------------------------------------------------------------
+    /** @brief Check whether a file has a specific file extension
+     *  @param pFile Input file
+     *  @param ext0 Extension to check for. Lowercase characters only, no dot!
+     *  @param ext1 Optional second extension
+     *  @param ext2 Optional third extension
+     *  @note Case-insensitive
+     */
+    static bool SimpleExtensionCheck (
+        const std::string& pFile,
+        const char* ext0,
+        const char* ext1 = NULL,
+        const char* ext2 = NULL);
+
+    // -------------------------------------------------------------------
+    /** @brief Extract file extension from a string
+     *  @param pFile Input file
+     *  @return Extension without trailing dot, all lowercase
+     */
+    static std::string GetExtension (
+        const std::string& pFile);
+
+    // -------------------------------------------------------------------
+    /** @brief Check whether a file starts with one or more magic tokens
+     *  @param pFile Input file
+     *  @param pIOHandler IO system to be used
+     *  @param magic n magic tokens
+     *  @params num Size of magic
+     *  @param offset Offset from file start where tokens are located
+     *  @param Size of one token, in bytes. Maximally 16 bytes.
+     *  @return true if one of the given tokens was found
+     *
+     *  @note For convenience, the check is also performed for the
+     *  byte-swapped variant of all tokens (big endian). Only for
+     *  tokens of size 2,4.
+     */
+    static bool CheckMagicToken(
+        IOSystem* pIOHandler,
+        const std::string& pFile,
+        const void* magic,
+        unsigned int num,
+        unsigned int offset = 0,
+        unsigned int size   = 4);
+
+    // -------------------------------------------------------------------
+    /** An utility for all text file loaders. It converts a file to our
+     *   UTF8 character set. Errors are reported, but ignored.
+     *
+     *  @param data File buffer to be converted to UTF8 data. The buffer
+     *  is resized as appropriate. */
+    static void ConvertToUTF8(
+        std::vector<char>& data);
+
+    // -------------------------------------------------------------------
+    /** An utility for all text file loaders. It converts a file from our
+     *   UTF8 character set back to ISO-8859-1. Errors are reported, but ignored.
+     *
+     *  @param data File buffer to be converted from UTF8 to ISO-8859-1. The buffer
+     *  is resized as appropriate. */
+    static void ConvertUTF8toISO8859_1(
+        std::string& data);
+
+    // -------------------------------------------------------------------
+    /// @brief  Enum to define, if empty files are ok or not.
+    enum TextFileMode { 
+        ALLOW_EMPTY,
+        FORBID_EMPTY 
+    };
+
+    // -------------------------------------------------------------------
+    /** Utility for text file loaders which copies the contents of the
+     *  file into a memory buffer and converts it to our UTF8
+     *  representation.
+     *  @param stream Stream to read from.
+     *  @param data Output buffer to be resized and filled with the
+     *   converted text file data. The buffer is terminated with
+     *   a binary 0.
+     *  @param mode Whether it is OK to load empty text files. */
+    static void TextFileToBuffer(
+        IOStream* stream,
+        std::vector<char>& data,
+        TextFileMode mode = FORBID_EMPTY);
+
+    // -------------------------------------------------------------------
+    /** Utility function to move a std::vector into a aiScene array
+    *  @param vec The vector to be moved
+    *  @param out The output pointer to the allocated array.
+    *  @param numOut The output count of elements copied. */
+    template<typename T>
+    AI_FORCE_INLINE
+    static void CopyVector(
+        std::vector<T>& vec,
+        T*& out,
+        unsigned int& outLength)
+    {
+        outLength = unsigned(vec.size());
+        if (outLength) {
+            out = new T[outLength];
+            std::swap_ranges(vec.begin(), vec.end(), out);
+        }
+    }
+
+protected:
+    /// Error description in case there was one.
+    std::string m_ErrorText;
+    /// Currently set progress handler.
+    ProgressHandler* m_progress;
+};
+
+
+
+} // end of namespace Assimp
+
+#endif // AI_BASEIMPORTER_H_INC
diff --git a/thirdparty/assimp/include/assimp/Bitmap.h b/thirdparty/assimp/include/assimp/Bitmap.h
new file mode 100644
index 0000000000..e6b5fb1327
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Bitmap.h
@@ -0,0 +1,125 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Bitmap.h
+ *  @brief Defines bitmap format helper for textures
+ *
+ * Used for file formats which embed their textures into the model file.
+ */
+
+#ifndef AI_BITMAP_H_INC
+#define AI_BITMAP_H_INC
+
+#include "defs.h"
+#include <stdint.h>
+#include <cstddef>
+
+struct aiTexture;
+
+namespace Assimp {
+
+class IOStream;
+
+class ASSIMP_API Bitmap {
+protected:
+
+    struct Header {
+        uint16_t type;
+        uint32_t size;
+        uint16_t reserved1;
+        uint16_t reserved2;
+        uint32_t offset;
+
+        // We define the struct size because sizeof(Header) might return a wrong result because of structure padding.
+        // Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
+        static const std::size_t header_size =
+            sizeof(uint16_t) + // type
+            sizeof(uint32_t) + // size
+            sizeof(uint16_t) + // reserved1
+            sizeof(uint16_t) + // reserved2
+            sizeof(uint32_t);  // offset
+    };
+
+    struct DIB {
+        uint32_t size;
+        int32_t width;
+        int32_t height;
+        uint16_t planes;
+        uint16_t bits_per_pixel;
+        uint32_t compression;
+        uint32_t image_size;
+        int32_t x_resolution;
+        int32_t y_resolution;
+        uint32_t nb_colors;
+        uint32_t nb_important_colors;
+
+        // We define the struct size because sizeof(DIB) might return a wrong result because of structure padding.
+        // Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
+        static const std::size_t dib_size =
+            sizeof(uint32_t) + // size
+            sizeof(int32_t) +  // width
+            sizeof(int32_t) +  // height
+            sizeof(uint16_t) + // planes
+            sizeof(uint16_t) + // bits_per_pixel
+            sizeof(uint32_t) + // compression
+            sizeof(uint32_t) + // image_size
+            sizeof(int32_t) +  // x_resolution
+            sizeof(int32_t) +  // y_resolution
+            sizeof(uint32_t) + // nb_colors
+            sizeof(uint32_t);  // nb_important_colors
+    };
+
+    static const std::size_t mBytesPerPixel = 4;
+
+public:
+    static void Save(aiTexture* texture, IOStream* file);
+
+protected:
+    static void WriteHeader(Header& header, IOStream* file);
+    static void WriteDIB(DIB& dib, IOStream* file);
+    static void WriteData(aiTexture* texture, IOStream* file);
+};
+
+}
+
+#endif // AI_BITMAP_H_INC
diff --git a/thirdparty/assimp/include/assimp/BlobIOSystem.h b/thirdparty/assimp/include/assimp/BlobIOSystem.h
new file mode 100644
index 0000000000..d005e5c119
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/BlobIOSystem.h
@@ -0,0 +1,338 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Provides cheat implementations for IOSystem and IOStream to
+ *  redirect exporter output to a blob chain.*/
+
+#ifndef AI_BLOBIOSYSTEM_H_INCLUDED
+#define AI_BLOBIOSYSTEM_H_INCLUDED
+
+#include <assimp/IOStream.hpp>
+#include <assimp/cexport.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp/DefaultLogger.hpp>
+#include <stdint.h>
+#include <set>
+#include <vector>
+
+namespace Assimp    {
+    class BlobIOSystem;
+
+// --------------------------------------------------------------------------------------------
+/** Redirect IOStream to a blob */
+// --------------------------------------------------------------------------------------------
+class BlobIOStream : public IOStream
+{
+public:
+
+    BlobIOStream(BlobIOSystem* creator, const std::string& file, size_t initial = 4096)
+        : buffer()
+        , cur_size()
+        , file_size()
+        , cursor()
+        , initial(initial)
+        , file(file)
+        , creator(creator)
+    {
+    }
+
+
+    virtual ~BlobIOStream();
+
+public:
+
+    // -------------------------------------------------------------------
+    aiExportDataBlob* GetBlob()
+    {
+        aiExportDataBlob* blob = new aiExportDataBlob();
+        blob->size = file_size;
+        blob->data = buffer;
+
+        buffer = NULL;
+
+        return blob;
+    }
+
+
+public:
+
+
+    // -------------------------------------------------------------------
+    virtual size_t Read( void *,
+        size_t,
+        size_t )
+    {
+        return 0;
+    }
+
+    // -------------------------------------------------------------------
+    virtual size_t Write(const void* pvBuffer,
+        size_t pSize,
+        size_t pCount)
+    {
+        pSize *= pCount;
+        if (cursor + pSize > cur_size) {
+            Grow(cursor + pSize);
+        }
+
+        memcpy(buffer+cursor, pvBuffer, pSize);
+        cursor += pSize;
+
+        file_size = std::max(file_size,cursor);
+        return pCount;
+    }
+
+    // -------------------------------------------------------------------
+    virtual aiReturn Seek(size_t pOffset,
+        aiOrigin pOrigin)
+    {
+        switch(pOrigin)
+        {
+        case aiOrigin_CUR:
+            cursor += pOffset;
+            break;
+
+        case aiOrigin_END:
+            cursor = file_size - pOffset;
+            break;
+
+        case aiOrigin_SET:
+            cursor = pOffset;
+            break;
+
+        default:
+            return AI_FAILURE;
+        }
+
+        if (cursor > file_size) {
+            Grow(cursor);
+        }
+
+        file_size = std::max(cursor,file_size);
+        return AI_SUCCESS;
+    }
+
+    // -------------------------------------------------------------------
+    virtual size_t Tell() const
+    {
+        return cursor;
+    }
+
+    // -------------------------------------------------------------------
+    virtual size_t FileSize() const
+    {
+        return file_size;
+    }
+
+    // -------------------------------------------------------------------
+    virtual void Flush()
+    {
+        // ignore
+    }
+
+
+
+private:
+
+    // -------------------------------------------------------------------
+    void Grow(size_t need = 0)
+    {
+        // 1.5 and phi are very heap-friendly growth factors (the first
+        // allows for frequent re-use of heap blocks, the second
+        // forms a fibonacci sequence with similar characteristics -
+        // since this heavily depends on the heap implementation
+        // and other factors as well, i'll just go with 1.5 since
+        // it is quicker to compute).
+        size_t new_size = std::max(initial, std::max( need, cur_size+(cur_size>>1) ));
+
+        const uint8_t* const old = buffer;
+        buffer = new uint8_t[new_size];
+
+        if (old) {
+            memcpy(buffer,old,cur_size);
+            delete[] old;
+        }
+
+        cur_size = new_size;
+    }
+
+private:
+
+    uint8_t* buffer;
+    size_t cur_size,file_size, cursor, initial;
+
+    const std::string file;
+    BlobIOSystem* const creator;
+};
+
+
+#define AI_BLOBIO_MAGIC "$blobfile"
+
+// --------------------------------------------------------------------------------------------
+/** Redirect IOSystem to a blob */
+// --------------------------------------------------------------------------------------------
+class BlobIOSystem : public IOSystem
+{
+
+    friend class BlobIOStream;
+    typedef std::pair<std::string, aiExportDataBlob*> BlobEntry;
+
+public:
+
+    BlobIOSystem()
+    {
+    }
+
+    virtual ~BlobIOSystem()
+    {
+        for(BlobEntry& blobby : blobs) {
+            delete blobby.second;
+        }
+    }
+
+public:
+
+    // -------------------------------------------------------------------
+    const char* GetMagicFileName() const
+    {
+        return AI_BLOBIO_MAGIC;
+    }
+
+
+    // -------------------------------------------------------------------
+    aiExportDataBlob* GetBlobChain()
+    {
+        // one must be the master
+        aiExportDataBlob* master = NULL, *cur;
+        for(const BlobEntry& blobby : blobs) {
+            if (blobby.first == AI_BLOBIO_MAGIC) {
+                master = blobby.second;
+                break;
+            }
+        }
+        if (!master) {
+            ASSIMP_LOG_ERROR("BlobIOSystem: no data written or master file was not closed properly.");
+            return NULL;
+        }
+
+        master->name.Set("");
+
+        cur = master;
+        for(const BlobEntry& blobby : blobs) {
+            if (blobby.second == master) {
+                continue;
+            }
+
+            cur->next = blobby.second;
+            cur = cur->next;
+
+            // extract the file extension from the file written
+            const std::string::size_type s = blobby.first.find_first_of('.');
+            cur->name.Set(s == std::string::npos ? blobby.first : blobby.first.substr(s+1));
+        }
+
+        // give up blob ownership
+        blobs.clear();
+        return master;
+    }
+
+public:
+
+    // -------------------------------------------------------------------
+    virtual bool Exists( const char* pFile) const {
+        return created.find(std::string(pFile)) != created.end();
+    }
+
+
+    // -------------------------------------------------------------------
+    virtual char getOsSeparator() const {
+        return '/';
+    }
+
+
+    // -------------------------------------------------------------------
+    virtual IOStream* Open(const char* pFile,
+        const char* pMode)
+    {
+        if (pMode[0] != 'w') {
+            return NULL;
+        }
+
+        created.insert(std::string(pFile));
+        return new BlobIOStream(this,std::string(pFile));
+    }
+
+    // -------------------------------------------------------------------
+    virtual void Close( IOStream* pFile)
+    {
+        delete pFile;
+    }
+
+private:
+
+    // -------------------------------------------------------------------
+    void OnDestruct(const std::string& filename, BlobIOStream* child)
+    {
+        // we don't know in which the files are closed, so we
+        // can't reliably say that the first must be the master
+        // file ...
+        blobs.push_back( BlobEntry(filename,child->GetBlob()) );
+    }
+
+private:
+    std::set<std::string> created;
+    std::vector< BlobEntry > blobs;
+};
+
+
+// --------------------------------------------------------------------------------------------
+BlobIOStream :: ~BlobIOStream()
+{
+    creator->OnDestruct(file,this);
+    delete[] buffer;
+}
+
+
+} // end Assimp
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/ByteSwapper.h b/thirdparty/assimp/include/assimp/ByteSwapper.h
new file mode 100644
index 0000000000..20a2463fb8
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/ByteSwapper.h
@@ -0,0 +1,287 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Helper class tp perform various byte oder swappings
+   (e.g. little to big endian) */
+#ifndef AI_BYTESWAPPER_H_INC
+#define AI_BYTESWAPPER_H_INC
+
+#include <assimp/ai_assert.h>
+#include <assimp/types.h>
+#include <stdint.h>
+
+#if _MSC_VER >= 1400
+#include <stdlib.h>
+#endif
+
+namespace Assimp    {
+// --------------------------------------------------------------------------------------
+/** Defines some useful byte order swap routines.
+ *
+ * This is required to read big-endian model formats on little-endian machines,
+ * and vice versa. Direct use of this class is DEPRECATED. Use #StreamReader instead. */
+// --------------------------------------------------------------------------------------
+class ByteSwap {
+    ByteSwap() AI_NO_EXCEPT {}
+
+public:
+
+    // ----------------------------------------------------------------------
+    /** Swap two bytes of data
+     *  @param[inout] _szOut A void* to save the reintcasts for the caller. */
+    static inline void Swap2(void* _szOut)
+    {
+        ai_assert(_szOut);
+
+#if _MSC_VER >= 1400
+        uint16_t* const szOut = reinterpret_cast<uint16_t*>(_szOut);
+        *szOut = _byteswap_ushort(*szOut);
+#else
+        uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
+        std::swap(szOut[0],szOut[1]);
+#endif
+    }
+
+    // ----------------------------------------------------------------------
+    /** Swap four bytes of data
+     *  @param[inout] _szOut A void* to save the reintcasts for the caller. */
+    static inline void Swap4(void* _szOut)
+    {
+        ai_assert(_szOut);
+
+#if _MSC_VER >= 1400
+        uint32_t* const szOut = reinterpret_cast<uint32_t*>(_szOut);
+        *szOut = _byteswap_ulong(*szOut);
+#else
+        uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
+        std::swap(szOut[0],szOut[3]);
+        std::swap(szOut[1],szOut[2]);
+#endif
+    }
+
+    // ----------------------------------------------------------------------
+    /** Swap eight bytes of data
+     *  @param[inout] _szOut A void* to save the reintcasts for the caller. */
+    static inline void Swap8(void* _szOut)
+    {
+    ai_assert(_szOut);
+
+#if _MSC_VER >= 1400
+        uint64_t* const szOut = reinterpret_cast<uint64_t*>(_szOut);
+        *szOut = _byteswap_uint64(*szOut);
+#else
+        uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut);
+        std::swap(szOut[0],szOut[7]);
+        std::swap(szOut[1],szOut[6]);
+        std::swap(szOut[2],szOut[5]);
+        std::swap(szOut[3],szOut[4]);
+#endif
+    }
+
+    // ----------------------------------------------------------------------
+    /** ByteSwap a float. Not a joke.
+     *  @param[inout] fOut ehm. .. */
+    static inline void Swap(float* fOut) {
+        Swap4(fOut);
+    }
+
+    // ----------------------------------------------------------------------
+    /** ByteSwap a double. Not a joke.
+     *  @param[inout] fOut ehm. .. */
+    static inline void Swap(double* fOut) {
+        Swap8(fOut);
+    }
+
+
+    // ----------------------------------------------------------------------
+    /** ByteSwap an int16t. Not a joke.
+     *  @param[inout] fOut ehm. .. */
+    static inline void Swap(int16_t* fOut) {
+        Swap2(fOut);
+    }
+
+    static inline void Swap(uint16_t* fOut) {
+        Swap2(fOut);
+    }
+
+    // ----------------------------------------------------------------------
+    /** ByteSwap an int32t. Not a joke.
+     *  @param[inout] fOut ehm. .. */
+    static inline void Swap(int32_t* fOut){
+        Swap4(fOut);
+    }
+
+    static inline void Swap(uint32_t* fOut){
+        Swap4(fOut);
+    }
+
+    // ----------------------------------------------------------------------
+    /** ByteSwap an int64t. Not a joke.
+     *  @param[inout] fOut ehm. .. */
+    static inline void Swap(int64_t* fOut) {
+        Swap8(fOut);
+    }
+
+    static inline void Swap(uint64_t* fOut) {
+        Swap8(fOut);
+    }
+
+    // ----------------------------------------------------------------------
+    //! Templatized ByteSwap
+    //! \returns param tOut as swapped
+    template<typename Type>
+    static inline Type Swapped(Type tOut)
+    {
+        return _swapper<Type,sizeof(Type)>()(tOut);
+    }
+
+private:
+
+    template <typename T, size_t size> struct _swapper;
+};
+
+template <typename T> struct ByteSwap::_swapper<T,2> {
+    T operator() (T tOut) {
+        Swap2(&tOut);
+        return tOut;
+    }
+};
+
+template <typename T> struct ByteSwap::_swapper<T,4> {
+    T operator() (T tOut) {
+        Swap4(&tOut);
+        return tOut;
+    }
+};
+
+template <typename T> struct ByteSwap::_swapper<T,8> {
+    T operator() (T tOut) {
+        Swap8(&tOut);
+        return tOut;
+    }
+};
+
+
+// --------------------------------------------------------------------------------------
+// ByteSwap macros for BigEndian/LittleEndian support
+// --------------------------------------------------------------------------------------
+#if (defined AI_BUILD_BIG_ENDIAN)
+#   define AI_LE(t) (t)
+#   define AI_BE(t) ByteSwap::Swapped(t)
+#   define AI_LSWAP2(p)
+#   define AI_LSWAP4(p)
+#   define AI_LSWAP8(p)
+#   define AI_LSWAP2P(p)
+#   define AI_LSWAP4P(p)
+#   define AI_LSWAP8P(p)
+#   define LE_NCONST const
+#   define AI_SWAP2(p) ByteSwap::Swap2(&(p))
+#   define AI_SWAP4(p) ByteSwap::Swap4(&(p))
+#   define AI_SWAP8(p) ByteSwap::Swap8(&(p))
+#   define AI_SWAP2P(p) ByteSwap::Swap2((p))
+#   define AI_SWAP4P(p) ByteSwap::Swap4((p))
+#   define AI_SWAP8P(p) ByteSwap::Swap8((p))
+#   define BE_NCONST
+#else
+#   define AI_BE(t) (t)
+#   define AI_LE(t) ByteSwap::Swapped(t)
+#   define AI_SWAP2(p)
+#   define AI_SWAP4(p)
+#   define AI_SWAP8(p)
+#   define AI_SWAP2P(p)
+#   define AI_SWAP4P(p)
+#   define AI_SWAP8P(p)
+#   define BE_NCONST const
+#   define AI_LSWAP2(p)     ByteSwap::Swap2(&(p))
+#   define AI_LSWAP4(p)     ByteSwap::Swap4(&(p))
+#   define AI_LSWAP8(p)     ByteSwap::Swap8(&(p))
+#   define AI_LSWAP2P(p)    ByteSwap::Swap2((p))
+#   define AI_LSWAP4P(p)    ByteSwap::Swap4((p))
+#   define AI_LSWAP8P(p)    ByteSwap::Swap8((p))
+#   define LE_NCONST
+#endif
+
+
+namespace Intern {
+
+// --------------------------------------------------------------------------------------------
+template <typename T, bool doit>
+struct ByteSwapper  {
+    void operator() (T* inout) {
+        ByteSwap::Swap(inout);
+    }
+};
+
+template <typename T>
+struct ByteSwapper<T,false> {
+    void operator() (T*) {
+    }
+};
+
+// --------------------------------------------------------------------------------------------
+template <bool SwapEndianess, typename T, bool RuntimeSwitch>
+struct Getter {
+    void operator() (T* inout, bool le) {
+#ifdef AI_BUILD_BIG_ENDIAN
+        le =  le;
+#else
+        le =  !le;
+#endif
+        if (le) {
+            ByteSwapper<T,(sizeof(T)>1?true:false)> () (inout);
+        }
+        else ByteSwapper<T,false> () (inout);
+    }
+};
+
+template <bool SwapEndianess, typename T>
+struct Getter<SwapEndianess,T,false> {
+
+    void operator() (T* inout, bool /*le*/) {
+        // static branch
+        ByteSwapper<T,(SwapEndianess && sizeof(T)>1)> () (inout);
+    }
+};
+} // end Intern
+} // end Assimp
+
+#endif //!! AI_BYTESWAPPER_H_INC
diff --git a/thirdparty/assimp/include/assimp/Compiler/poppack1.h b/thirdparty/assimp/include/assimp/Compiler/poppack1.h
new file mode 100644
index 0000000000..e033bc1472
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Compiler/poppack1.h
@@ -0,0 +1,22 @@
+
+// ===============================================================================
+// May be included multiple times - resets structure packing to the defaults 
+// for all supported compilers. Reverts the changes made by #include <pushpack1.h> 
+//
+// Currently this works on the following compilers:
+// MSVC 7,8,9
+// GCC
+// BORLAND (complains about 'pack state changed but not reverted', but works)
+// ===============================================================================
+
+#ifndef AI_PUSHPACK_IS_DEFINED
+#	error pushpack1.h must be included after poppack1.h
+#endif
+
+// reset packing to the original value
+#if defined(_MSC_VER) ||  defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
+#	pragma pack( pop )
+#endif
+#undef PACK_STRUCT
+
+#undef AI_PUSHPACK_IS_DEFINED
diff --git a/thirdparty/assimp/include/assimp/Compiler/pstdint.h b/thirdparty/assimp/include/assimp/Compiler/pstdint.h
new file mode 100644
index 0000000000..4de4ce2a90
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Compiler/pstdint.h
@@ -0,0 +1,912 @@
+/*  A portable stdint.h
+ ****************************************************************************
+ *  BSD License:
+ ****************************************************************************
+ *
+ *  Copyright (c) 2005-2016 Paul Hsieh
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************
+ *
+ *  Version 0.1.15.4
+ *
+ *  The ANSI C standard committee, for the C99 standard, specified the
+ *  inclusion of a new standard include file called stdint.h.  This is
+ *  a very useful and long desired include file which contains several
+ *  very precise definitions for integer scalar types that is
+ *  critically important for making portable several classes of
+ *  applications including cryptography, hashing, variable length
+ *  integer libraries and so on.  But for most developers its likely
+ *  useful just for programming sanity.
+ *
+ *  The problem is that some compiler vendors chose to ignore the C99
+ *  standard and some older compilers have no opportunity to be updated.
+ *  Because of this situation, simply including stdint.h in your code
+ *  makes it unportable.
+ *
+ *  So that's what this file is all about.  Its an attempt to build a
+ *  single universal include file that works on as many platforms as
+ *  possible to deliver what stdint.h is supposed to.  Even compilers
+ *  that already come with stdint.h can use this file instead without
+ *  any loss of functionality.  A few things that should be noted about
+ *  this file:
+ *
+ *    1) It is not guaranteed to be portable and/or present an identical
+ *       interface on all platforms.  The extreme variability of the
+ *       ANSI C standard makes this an impossibility right from the
+ *       very get go. Its really only meant to be useful for the vast
+ *       majority of platforms that possess the capability of
+ *       implementing usefully and precisely defined, standard sized
+ *       integer scalars.  Systems which are not intrinsically 2s
+ *       complement may produce invalid constants.
+ *
+ *    2) There is an unavoidable use of non-reserved symbols.
+ *
+ *    3) Other standard include files are invoked.
+ *
+ *    4) This file may come in conflict with future platforms that do
+ *       include stdint.h.  The hope is that one or the other can be
+ *       used with no real difference.
+ *
+ *    5) In the current version, if your platform can't represent
+ *       int32_t, int16_t and int8_t, it just dumps out with a compiler
+ *       error.
+ *
+ *    6) 64 bit integers may or may not be defined.  Test for their
+ *       presence with the test: #ifdef INT64_MAX or #ifdef UINT64_MAX.
+ *       Note that this is different from the C99 specification which
+ *       requires the existence of 64 bit support in the compiler.  If
+ *       this is not defined for your platform, yet it is capable of
+ *       dealing with 64 bits then it is because this file has not yet
+ *       been extended to cover all of your system's capabilities.
+ *
+ *    7) (u)intptr_t may or may not be defined.  Test for its presence
+ *       with the test: #ifdef PTRDIFF_MAX.  If this is not defined
+ *       for your platform, then it is because this file has not yet
+ *       been extended to cover all of your system's capabilities, not
+ *       because its optional.
+ *
+ *    8) The following might not been defined even if your platform is
+ *       capable of defining it:
+ *
+ *       WCHAR_MIN
+ *       WCHAR_MAX
+ *       (u)int64_t
+ *       PTRDIFF_MIN
+ *       PTRDIFF_MAX
+ *       (u)intptr_t
+ *
+ *    9) The following have not been defined:
+ *
+ *       WINT_MIN
+ *       WINT_MAX
+ *
+ *   10) The criteria for defining (u)int_least(*)_t isn't clear,
+ *       except for systems which don't have a type that precisely
+ *       defined 8, 16, or 32 bit types (which this include file does
+ *       not support anyways). Default definitions have been given.
+ *
+ *   11) The criteria for defining (u)int_fast(*)_t isn't something I
+ *       would trust to any particular compiler vendor or the ANSI C
+ *       committee.  It is well known that "compatible systems" are
+ *       commonly created that have very different performance
+ *       characteristics from the systems they are compatible with,
+ *       especially those whose vendors make both the compiler and the
+ *       system.  Default definitions have been given, but its strongly
+ *       recommended that users never use these definitions for any
+ *       reason (they do *NOT* deliver any serious guarantee of
+ *       improved performance -- not in this file, nor any vendor's
+ *       stdint.h).
+ *
+ *   12) The following macros:
+ *
+ *       PRINTF_INTMAX_MODIFIER
+ *       PRINTF_INT64_MODIFIER
+ *       PRINTF_INT32_MODIFIER
+ *       PRINTF_INT16_MODIFIER
+ *       PRINTF_LEAST64_MODIFIER
+ *       PRINTF_LEAST32_MODIFIER
+ *       PRINTF_LEAST16_MODIFIER
+ *       PRINTF_INTPTR_MODIFIER
+ *
+ *       are strings which have been defined as the modifiers required
+ *       for the "d", "u" and "x" printf formats to correctly output
+ *       (u)intmax_t, (u)int64_t, (u)int32_t, (u)int16_t, (u)least64_t,
+ *       (u)least32_t, (u)least16_t and (u)intptr_t types respectively.
+ *       PRINTF_INTPTR_MODIFIER is not defined for some systems which
+ *       provide their own stdint.h.  PRINTF_INT64_MODIFIER is not
+ *       defined if INT64_MAX is not defined.  These are an extension
+ *       beyond what C99 specifies must be in stdint.h.
+ *
+ *       In addition, the following macros are defined:
+ *
+ *       PRINTF_INTMAX_HEX_WIDTH
+ *       PRINTF_INT64_HEX_WIDTH
+ *       PRINTF_INT32_HEX_WIDTH
+ *       PRINTF_INT16_HEX_WIDTH
+ *       PRINTF_INT8_HEX_WIDTH
+ *       PRINTF_INTMAX_DEC_WIDTH
+ *       PRINTF_INT64_DEC_WIDTH
+ *       PRINTF_INT32_DEC_WIDTH
+ *       PRINTF_INT16_DEC_WIDTH
+ *       PRINTF_UINT8_DEC_WIDTH
+ *       PRINTF_UINTMAX_DEC_WIDTH
+ *       PRINTF_UINT64_DEC_WIDTH
+ *       PRINTF_UINT32_DEC_WIDTH
+ *       PRINTF_UINT16_DEC_WIDTH
+ *       PRINTF_UINT8_DEC_WIDTH
+ *
+ *       Which specifies the maximum number of characters required to
+ *       print the number of that type in either hexadecimal or decimal.
+ *       These are an extension beyond what C99 specifies must be in
+ *       stdint.h.
+ *
+ *  Compilers tested (all with 0 warnings at their highest respective
+ *  settings): Borland Turbo C 2.0, WATCOM C/C++ 11.0 (16 bits and 32
+ *  bits), Microsoft Visual C++ 6.0 (32 bit), Microsoft Visual Studio
+ *  .net (VC7), Intel C++ 4.0, GNU gcc v3.3.3
+ *
+ *  This file should be considered a work in progress.  Suggestions for
+ *  improvements, especially those which increase coverage are strongly
+ *  encouraged.
+ *
+ *  Acknowledgements
+ *
+ *  The following people have made significant contributions to the
+ *  development and testing of this file:
+ *
+ *  Chris Howie
+ *  John Steele Scott
+ *  Dave Thorup
+ *  John Dill
+ *  Florian Wobbe
+ *  Christopher Sean Morrison
+ *  Mikkel Fahnoe Jorgensen
+ *
+ */
+
+#include <stddef.h>
+#include <limits.h>
+#include <signal.h>
+
+/*
+ *  For gcc with _STDINT_H, fill in the PRINTF_INT*_MODIFIER macros, and
+ *  do nothing else.  On the Mac OS X version of gcc this is _STDINT_H_.
+ */
+
+#if ((defined(__SUNPRO_C) && __SUNPRO_C >= 0x570) || (defined(_MSC_VER) && _MSC_VER >= 1600) || (defined(__STDC__) && __STDC__ && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined (__WATCOMC__) && (defined (_STDINT_H_INCLUDED) || __WATCOMC__ >= 1250)) || (defined(__GNUC__) && (__GNUC__ > 3 || defined(_STDINT_H) || defined(_STDINT_H_) || defined (__UINT_FAST64_TYPE__)) )) && !defined (_PSTDINT_H_INCLUDED)
+#include <stdint.h>
+#define _PSTDINT_H_INCLUDED
+# if defined(__GNUC__) && (defined(__x86_64__) || defined(__ppc64__)) && !(defined(__APPLE__) && defined(__MACH__))
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "l"
+#  endif
+#  ifndef PRINTF_INT32_MODIFIER
+#   define PRINTF_INT32_MODIFIER ""
+#  endif
+# else
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "ll"
+#  endif
+#  ifndef PRINTF_INT32_MODIFIER
+#   if (UINT_MAX == UINT32_MAX)
+#    define PRINTF_INT32_MODIFIER ""
+#   else
+#    define PRINTF_INT32_MODIFIER "l"
+#   endif
+#  endif
+# endif
+# ifndef PRINTF_INT16_MODIFIER
+#  define PRINTF_INT16_MODIFIER "h"
+# endif
+# ifndef PRINTF_INTMAX_MODIFIER
+#  define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
+# endif
+# ifndef PRINTF_INT64_HEX_WIDTH
+#  define PRINTF_INT64_HEX_WIDTH "16"
+# endif
+# ifndef PRINTF_UINT64_HEX_WIDTH
+#  define PRINTF_UINT64_HEX_WIDTH "16"
+# endif
+# ifndef PRINTF_INT32_HEX_WIDTH
+#  define PRINTF_INT32_HEX_WIDTH "8"
+# endif
+# ifndef PRINTF_UINT32_HEX_WIDTH
+#  define PRINTF_UINT32_HEX_WIDTH "8"
+# endif
+# ifndef PRINTF_INT16_HEX_WIDTH
+#  define PRINTF_INT16_HEX_WIDTH "4"
+# endif
+# ifndef PRINTF_UINT16_HEX_WIDTH
+#  define PRINTF_UINT16_HEX_WIDTH "4"
+# endif
+# ifndef PRINTF_INT8_HEX_WIDTH
+#  define PRINTF_INT8_HEX_WIDTH "2"
+# endif
+# ifndef PRINTF_UINT8_HEX_WIDTH
+#  define PRINTF_UINT8_HEX_WIDTH "2"
+# endif
+# ifndef PRINTF_INT64_DEC_WIDTH
+#  define PRINTF_INT64_DEC_WIDTH "19"
+# endif
+# ifndef PRINTF_UINT64_DEC_WIDTH
+#  define PRINTF_UINT64_DEC_WIDTH "20"
+# endif
+# ifndef PRINTF_INT32_DEC_WIDTH
+#  define PRINTF_INT32_DEC_WIDTH "10"
+# endif
+# ifndef PRINTF_UINT32_DEC_WIDTH
+#  define PRINTF_UINT32_DEC_WIDTH "10"
+# endif
+# ifndef PRINTF_INT16_DEC_WIDTH
+#  define PRINTF_INT16_DEC_WIDTH "5"
+# endif
+# ifndef PRINTF_UINT16_DEC_WIDTH
+#  define PRINTF_UINT16_DEC_WIDTH "5"
+# endif
+# ifndef PRINTF_INT8_DEC_WIDTH
+#  define PRINTF_INT8_DEC_WIDTH "3"
+# endif
+# ifndef PRINTF_UINT8_DEC_WIDTH
+#  define PRINTF_UINT8_DEC_WIDTH "3"
+# endif
+# ifndef PRINTF_INTMAX_HEX_WIDTH
+#  define PRINTF_INTMAX_HEX_WIDTH PRINTF_UINT64_HEX_WIDTH
+# endif
+# ifndef PRINTF_UINTMAX_HEX_WIDTH
+#  define PRINTF_UINTMAX_HEX_WIDTH PRINTF_UINT64_HEX_WIDTH
+# endif
+# ifndef PRINTF_INTMAX_DEC_WIDTH
+#  define PRINTF_INTMAX_DEC_WIDTH PRINTF_UINT64_DEC_WIDTH
+# endif
+# ifndef PRINTF_UINTMAX_DEC_WIDTH
+#  define PRINTF_UINTMAX_DEC_WIDTH PRINTF_UINT64_DEC_WIDTH
+# endif
+
+/*
+ *  Something really weird is going on with Open Watcom.  Just pull some of
+ *  these duplicated definitions from Open Watcom's stdint.h file for now.
+ */
+
+# if defined (__WATCOMC__) && __WATCOMC__ >= 1250
+#  if !defined (INT64_C)
+#   define INT64_C(x)   (x + (INT64_MAX - INT64_MAX))
+#  endif
+#  if !defined (UINT64_C)
+#   define UINT64_C(x)  (x + (UINT64_MAX - UINT64_MAX))
+#  endif
+#  if !defined (INT32_C)
+#   define INT32_C(x)   (x + (INT32_MAX - INT32_MAX))
+#  endif
+#  if !defined (UINT32_C)
+#   define UINT32_C(x)  (x + (UINT32_MAX - UINT32_MAX))
+#  endif
+#  if !defined (INT16_C)
+#   define INT16_C(x)   (x)
+#  endif
+#  if !defined (UINT16_C)
+#   define UINT16_C(x)  (x)
+#  endif
+#  if !defined (INT8_C)
+#   define INT8_C(x)   (x)
+#  endif
+#  if !defined (UINT8_C)
+#   define UINT8_C(x)  (x)
+#  endif
+#  if !defined (UINT64_MAX)
+#   define UINT64_MAX  18446744073709551615ULL
+#  endif
+#  if !defined (INT64_MAX)
+#   define INT64_MAX  9223372036854775807LL
+#  endif
+#  if !defined (UINT32_MAX)
+#   define UINT32_MAX  4294967295UL
+#  endif
+#  if !defined (INT32_MAX)
+#   define INT32_MAX  2147483647L
+#  endif
+#  if !defined (INTMAX_MAX)
+#   define INTMAX_MAX INT64_MAX
+#  endif
+#  if !defined (INTMAX_MIN)
+#   define INTMAX_MIN INT64_MIN
+#  endif
+# endif
+#endif
+
+/*
+ *  I have no idea what is the truly correct thing to do on older Solaris.
+ *  From some online discussions, this seems to be what is being
+ *  recommended.  For people who actually are developing on older Solaris,
+ *  what I would like to know is, does this define all of the relevant
+ *  macros of a complete stdint.h?  Remember, in pstdint.h 64 bit is
+ *  considered optional.
+ */
+
+#if (defined(__SUNPRO_C) && __SUNPRO_C >= 0x420) && !defined(_PSTDINT_H_INCLUDED)
+#include <sys/inttypes.h>
+#define _PSTDINT_H_INCLUDED
+#endif
+
+#ifndef _PSTDINT_H_INCLUDED
+#define _PSTDINT_H_INCLUDED
+
+#ifndef SIZE_MAX
+# define SIZE_MAX (~(size_t)0)
+#endif
+
+/*
+ *  Deduce the type assignments from limits.h under the assumption that
+ *  integer sizes in bits are powers of 2, and follow the ANSI
+ *  definitions.
+ */
+
+#ifndef UINT8_MAX
+# define UINT8_MAX 0xff
+#endif
+#if !defined(uint8_t) && !defined(_UINT8_T) && !defined(vxWorks)
+# if (UCHAR_MAX == UINT8_MAX) || defined (S_SPLINT_S)
+    typedef unsigned char uint8_t;
+#   define UINT8_C(v) ((uint8_t) v)
+# else
+#   error "Platform not supported"
+# endif
+#endif
+
+#ifndef INT8_MAX
+# define INT8_MAX 0x7f
+#endif
+#ifndef INT8_MIN
+# define INT8_MIN INT8_C(0x80)
+#endif
+#if !defined(int8_t) && !defined(_INT8_T) && !defined(vxWorks)
+# if (SCHAR_MAX == INT8_MAX) || defined (S_SPLINT_S)
+    typedef signed char int8_t;
+#   define INT8_C(v) ((int8_t) v)
+# else
+#   error "Platform not supported"
+# endif
+#endif
+
+#ifndef UINT16_MAX
+# define UINT16_MAX 0xffff
+#endif
+#if !defined(uint16_t) && !defined(_UINT16_T) && !defined(vxWorks)
+#if (UINT_MAX == UINT16_MAX) || defined (S_SPLINT_S)
+  typedef unsigned int uint16_t;
+# ifndef PRINTF_INT16_MODIFIER
+#  define PRINTF_INT16_MODIFIER ""
+# endif
+# define UINT16_C(v) ((uint16_t) (v))
+#elif (USHRT_MAX == UINT16_MAX)
+  typedef unsigned short uint16_t;
+# define UINT16_C(v) ((uint16_t) (v))
+# ifndef PRINTF_INT16_MODIFIER
+#  define PRINTF_INT16_MODIFIER "h"
+# endif
+#else
+#error "Platform not supported"
+#endif
+#endif
+
+#ifndef INT16_MAX
+# define INT16_MAX 0x7fff
+#endif
+#ifndef INT16_MIN
+# define INT16_MIN INT16_C(0x8000)
+#endif
+#if !defined(int16_t) && !defined(_INT16_T) && !defined(vxWorks)
+#if (INT_MAX == INT16_MAX) || defined (S_SPLINT_S)
+  typedef signed int int16_t;
+# define INT16_C(v) ((int16_t) (v))
+# ifndef PRINTF_INT16_MODIFIER
+#  define PRINTF_INT16_MODIFIER ""
+# endif
+#elif (SHRT_MAX == INT16_MAX)
+  typedef signed short int16_t;
+# define INT16_C(v) ((int16_t) (v))
+# ifndef PRINTF_INT16_MODIFIER
+#  define PRINTF_INT16_MODIFIER "h"
+# endif
+#else
+#error "Platform not supported"
+#endif
+#endif
+
+#ifndef UINT32_MAX
+# define UINT32_MAX (0xffffffffUL)
+#endif
+#if !defined(uint32_t) && !defined(_UINT32_T) && !defined(vxWorks)
+#if (ULONG_MAX == UINT32_MAX) || defined (S_SPLINT_S)
+  typedef unsigned long uint32_t;
+# define UINT32_C(v) v ## UL
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER "l"
+# endif
+#elif (UINT_MAX == UINT32_MAX)
+  typedef unsigned int uint32_t;
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER ""
+# endif
+# define UINT32_C(v) v ## U
+#elif (USHRT_MAX == UINT32_MAX)
+  typedef unsigned short uint32_t;
+# define UINT32_C(v) ((unsigned short) (v))
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER ""
+# endif
+#else
+#error "Platform not supported"
+#endif
+#endif
+
+#ifndef INT32_MAX
+# define INT32_MAX (0x7fffffffL)
+#endif
+#ifndef INT32_MIN
+# define INT32_MIN INT32_C(0x80000000)
+#endif
+#if !defined(int32_t) && !defined(_INT32_T) && !defined(vxWorks)
+#if (LONG_MAX == INT32_MAX) || defined (S_SPLINT_S)
+  typedef signed long int32_t;
+# define INT32_C(v) v ## L
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER "l"
+# endif
+#elif (INT_MAX == INT32_MAX)
+  typedef signed int int32_t;
+# define INT32_C(v) v
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER ""
+# endif
+#elif (SHRT_MAX == INT32_MAX)
+  typedef signed short int32_t;
+# define INT32_C(v) ((short) (v))
+# ifndef PRINTF_INT32_MODIFIER
+#  define PRINTF_INT32_MODIFIER ""
+# endif
+#else
+#error "Platform not supported"
+#endif
+#endif
+
+/*
+ *  The macro stdint_int64_defined is temporarily used to record
+ *  whether or not 64 integer support is available.  It must be
+ *  defined for any 64 integer extensions for new platforms that are
+ *  added.
+ */
+
+#undef stdint_int64_defined
+#if (defined(__STDC__) && defined(__STDC_VERSION__)) || defined (S_SPLINT_S)
+# if (__STDC__ && __STDC_VERSION__ >= 199901L) || defined (S_SPLINT_S)
+#  define stdint_int64_defined
+   typedef long long int64_t;
+   typedef unsigned long long uint64_t;
+#  define UINT64_C(v) v ## ULL
+#  define  INT64_C(v) v ## LL
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "ll"
+#  endif
+# endif
+#endif
+
+#if !defined (stdint_int64_defined)
+# if defined(__GNUC__) && !defined(vxWorks)
+#  define stdint_int64_defined
+   __extension__ typedef long long int64_t;
+   __extension__ typedef unsigned long long uint64_t;
+#  define UINT64_C(v) v ## ULL
+#  define  INT64_C(v) v ## LL
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "ll"
+#  endif
+# elif defined(__MWERKS__) || defined (__SUNPRO_C) || defined (__SUNPRO_CC) || defined (__APPLE_CC__) || defined (_LONG_LONG) || defined (_CRAYC) || defined (S_SPLINT_S)
+#  define stdint_int64_defined
+   typedef long long int64_t;
+   typedef unsigned long long uint64_t;
+#  define UINT64_C(v) v ## ULL
+#  define  INT64_C(v) v ## LL
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "ll"
+#  endif
+# elif (defined(__WATCOMC__) && defined(__WATCOM_INT64__)) || (defined(_MSC_VER) && _INTEGRAL_MAX_BITS >= 64) || (defined (__BORLANDC__) && __BORLANDC__ > 0x460) || defined (__alpha) || defined (__DECC)
+#  define stdint_int64_defined
+   typedef __int64 int64_t;
+   typedef unsigned __int64 uint64_t;
+#  define UINT64_C(v) v ## UI64
+#  define  INT64_C(v) v ## I64
+#  ifndef PRINTF_INT64_MODIFIER
+#   define PRINTF_INT64_MODIFIER "I64"
+#  endif
+# endif
+#endif
+
+#if !defined (LONG_LONG_MAX) && defined (INT64_C)
+# define LONG_LONG_MAX INT64_C (9223372036854775807)
+#endif
+#ifndef ULONG_LONG_MAX
+# define ULONG_LONG_MAX UINT64_C (18446744073709551615)
+#endif
+
+#if !defined (INT64_MAX) && defined (INT64_C)
+# define INT64_MAX INT64_C (9223372036854775807)
+#endif
+#if !defined (INT64_MIN) && defined (INT64_C)
+# define INT64_MIN INT64_C (-9223372036854775808)
+#endif
+#if !defined (UINT64_MAX) && defined (INT64_C)
+# define UINT64_MAX UINT64_C (18446744073709551615)
+#endif
+
+/*
+ *  Width of hexadecimal for number field.
+ */
+
+#ifndef PRINTF_INT64_HEX_WIDTH
+# define PRINTF_INT64_HEX_WIDTH "16"
+#endif
+#ifndef PRINTF_INT32_HEX_WIDTH
+# define PRINTF_INT32_HEX_WIDTH "8"
+#endif
+#ifndef PRINTF_INT16_HEX_WIDTH
+# define PRINTF_INT16_HEX_WIDTH "4"
+#endif
+#ifndef PRINTF_INT8_HEX_WIDTH
+# define PRINTF_INT8_HEX_WIDTH "2"
+#endif
+#ifndef PRINTF_INT64_DEC_WIDTH
+# define PRINTF_INT64_DEC_WIDTH "19"
+#endif
+#ifndef PRINTF_INT32_DEC_WIDTH
+# define PRINTF_INT32_DEC_WIDTH "10"
+#endif
+#ifndef PRINTF_INT16_DEC_WIDTH
+# define PRINTF_INT16_DEC_WIDTH "5"
+#endif
+#ifndef PRINTF_INT8_DEC_WIDTH
+# define PRINTF_INT8_DEC_WIDTH "3"
+#endif
+#ifndef PRINTF_UINT64_DEC_WIDTH
+# define PRINTF_UINT64_DEC_WIDTH "20"
+#endif
+#ifndef PRINTF_UINT32_DEC_WIDTH
+# define PRINTF_UINT32_DEC_WIDTH "10"
+#endif
+#ifndef PRINTF_UINT16_DEC_WIDTH
+# define PRINTF_UINT16_DEC_WIDTH "5"
+#endif
+#ifndef PRINTF_UINT8_DEC_WIDTH
+# define PRINTF_UINT8_DEC_WIDTH "3"
+#endif
+
+/*
+ *  Ok, lets not worry about 128 bit integers for now.  Moore's law says
+ *  we don't need to worry about that until about 2040 at which point
+ *  we'll have bigger things to worry about.
+ */
+
+#ifdef stdint_int64_defined
+  typedef int64_t intmax_t;
+  typedef uint64_t uintmax_t;
+# define  INTMAX_MAX   INT64_MAX
+# define  INTMAX_MIN   INT64_MIN
+# define UINTMAX_MAX  UINT64_MAX
+# define UINTMAX_C(v) UINT64_C(v)
+# define  INTMAX_C(v)  INT64_C(v)
+# ifndef PRINTF_INTMAX_MODIFIER
+#   define PRINTF_INTMAX_MODIFIER PRINTF_INT64_MODIFIER
+# endif
+# ifndef PRINTF_INTMAX_HEX_WIDTH
+#  define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT64_HEX_WIDTH
+# endif
+# ifndef PRINTF_INTMAX_DEC_WIDTH
+#  define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT64_DEC_WIDTH
+# endif
+#else
+  typedef int32_t intmax_t;
+  typedef uint32_t uintmax_t;
+# define  INTMAX_MAX   INT32_MAX
+# define UINTMAX_MAX  UINT32_MAX
+# define UINTMAX_C(v) UINT32_C(v)
+# define  INTMAX_C(v)  INT32_C(v)
+# ifndef PRINTF_INTMAX_MODIFIER
+#   define PRINTF_INTMAX_MODIFIER PRINTF_INT32_MODIFIER
+# endif
+# ifndef PRINTF_INTMAX_HEX_WIDTH
+#  define PRINTF_INTMAX_HEX_WIDTH PRINTF_INT32_HEX_WIDTH
+# endif
+# ifndef PRINTF_INTMAX_DEC_WIDTH
+#  define PRINTF_INTMAX_DEC_WIDTH PRINTF_INT32_DEC_WIDTH
+# endif
+#endif
+
+/*
+ *  Because this file currently only supports platforms which have
+ *  precise powers of 2 as bit sizes for the default integers, the
+ *  least definitions are all trivial.  Its possible that a future
+ *  version of this file could have different definitions.
+ */
+
+#ifndef stdint_least_defined
+  typedef   int8_t   int_least8_t;
+  typedef  uint8_t  uint_least8_t;
+  typedef  int16_t  int_least16_t;
+  typedef uint16_t uint_least16_t;
+  typedef  int32_t  int_least32_t;
+  typedef uint32_t uint_least32_t;
+# define PRINTF_LEAST32_MODIFIER PRINTF_INT32_MODIFIER
+# define PRINTF_LEAST16_MODIFIER PRINTF_INT16_MODIFIER
+# define  UINT_LEAST8_MAX  UINT8_MAX
+# define   INT_LEAST8_MAX   INT8_MAX
+# define UINT_LEAST16_MAX UINT16_MAX
+# define  INT_LEAST16_MAX  INT16_MAX
+# define UINT_LEAST32_MAX UINT32_MAX
+# define  INT_LEAST32_MAX  INT32_MAX
+# define   INT_LEAST8_MIN   INT8_MIN
+# define  INT_LEAST16_MIN  INT16_MIN
+# define  INT_LEAST32_MIN  INT32_MIN
+# ifdef stdint_int64_defined
+    typedef  int64_t  int_least64_t;
+    typedef uint64_t uint_least64_t;
+#   define PRINTF_LEAST64_MODIFIER PRINTF_INT64_MODIFIER
+#   define UINT_LEAST64_MAX UINT64_MAX
+#   define  INT_LEAST64_MAX  INT64_MAX
+#   define  INT_LEAST64_MIN  INT64_MIN
+# endif
+#endif
+#undef stdint_least_defined
+
+/*
+ *  The ANSI C committee pretending to know or specify anything about
+ *  performance is the epitome of misguided arrogance.  The mandate of
+ *  this file is to *ONLY* ever support that absolute minimum
+ *  definition of the fast integer types, for compatibility purposes.
+ *  No extensions, and no attempt to suggest what may or may not be a
+ *  faster integer type will ever be made in this file.  Developers are
+ *  warned to stay away from these types when using this or any other
+ *  stdint.h.
+ */
+
+typedef   int_least8_t   int_fast8_t;
+typedef  uint_least8_t  uint_fast8_t;
+typedef  int_least16_t  int_fast16_t;
+typedef uint_least16_t uint_fast16_t;
+typedef  int_least32_t  int_fast32_t;
+typedef uint_least32_t uint_fast32_t;
+#define  UINT_FAST8_MAX  UINT_LEAST8_MAX
+#define   INT_FAST8_MAX   INT_LEAST8_MAX
+#define UINT_FAST16_MAX UINT_LEAST16_MAX
+#define  INT_FAST16_MAX  INT_LEAST16_MAX
+#define UINT_FAST32_MAX UINT_LEAST32_MAX
+#define  INT_FAST32_MAX  INT_LEAST32_MAX
+#define   INT_FAST8_MIN   INT_LEAST8_MIN
+#define  INT_FAST16_MIN  INT_LEAST16_MIN
+#define  INT_FAST32_MIN  INT_LEAST32_MIN
+#ifdef stdint_int64_defined
+  typedef  int_least64_t  int_fast64_t;
+  typedef uint_least64_t uint_fast64_t;
+# define UINT_FAST64_MAX UINT_LEAST64_MAX
+# define  INT_FAST64_MAX  INT_LEAST64_MAX
+# define  INT_FAST64_MIN  INT_LEAST64_MIN
+#endif
+
+#undef stdint_int64_defined
+
+/*
+ *  Whatever piecemeal, per compiler thing we can do about the wchar_t
+ *  type limits.
+ */
+
+#if defined(__WATCOMC__) || defined(_MSC_VER) || defined (__GNUC__) && !defined(vxWorks)
+# include <wchar.h>
+# ifndef WCHAR_MIN
+#  define WCHAR_MIN 0
+# endif
+# ifndef WCHAR_MAX
+#  define WCHAR_MAX ((wchar_t)-1)
+# endif
+#endif
+
+/*
+ *  Whatever piecemeal, per compiler/platform thing we can do about the
+ *  (u)intptr_t types and limits.
+ */
+
+#if (defined (_MSC_VER) && defined (_UINTPTR_T_DEFINED)) || defined (_UINTPTR_T)
+# define STDINT_H_UINTPTR_T_DEFINED
+#endif
+
+#ifndef STDINT_H_UINTPTR_T_DEFINED
+# if defined (__alpha__) || defined (__ia64__) || defined (__x86_64__) || defined (_WIN64) || defined (__ppc64__)
+#  define stdint_intptr_bits 64
+# elif defined (__WATCOMC__) || defined (__TURBOC__)
+#  if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)
+#    define stdint_intptr_bits 16
+#  else
+#    define stdint_intptr_bits 32
+#  endif
+# elif defined (__i386__) || defined (_WIN32) || defined (WIN32) || defined (__ppc64__)
+#  define stdint_intptr_bits 32
+# elif defined (__INTEL_COMPILER)
+/* TODO -- what did Intel do about x86-64? */
+# else
+/* #error "This platform might not be supported yet" */
+# endif
+
+# ifdef stdint_intptr_bits
+#  define stdint_intptr_glue3_i(a,b,c)  a##b##c
+#  define stdint_intptr_glue3(a,b,c)    stdint_intptr_glue3_i(a,b,c)
+#  ifndef PRINTF_INTPTR_MODIFIER
+#    define PRINTF_INTPTR_MODIFIER      stdint_intptr_glue3(PRINTF_INT,stdint_intptr_bits,_MODIFIER)
+#  endif
+#  ifndef PTRDIFF_MAX
+#    define PTRDIFF_MAX                 stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
+#  endif
+#  ifndef PTRDIFF_MIN
+#    define PTRDIFF_MIN                 stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
+#  endif
+#  ifndef UINTPTR_MAX
+#    define UINTPTR_MAX                 stdint_intptr_glue3(UINT,stdint_intptr_bits,_MAX)
+#  endif
+#  ifndef INTPTR_MAX
+#    define INTPTR_MAX                  stdint_intptr_glue3(INT,stdint_intptr_bits,_MAX)
+#  endif
+#  ifndef INTPTR_MIN
+#    define INTPTR_MIN                  stdint_intptr_glue3(INT,stdint_intptr_bits,_MIN)
+#  endif
+#  ifndef INTPTR_C
+#    define INTPTR_C(x)                 stdint_intptr_glue3(INT,stdint_intptr_bits,_C)(x)
+#  endif
+#  ifndef UINTPTR_C
+#    define UINTPTR_C(x)                stdint_intptr_glue3(UINT,stdint_intptr_bits,_C)(x)
+#  endif
+  typedef stdint_intptr_glue3(uint,stdint_intptr_bits,_t) uintptr_t;
+  typedef stdint_intptr_glue3( int,stdint_intptr_bits,_t)  intptr_t;
+# else
+/* TODO -- This following is likely wrong for some platforms, and does
+   nothing for the definition of uintptr_t. */
+  typedef ptrdiff_t intptr_t;
+# endif
+# define STDINT_H_UINTPTR_T_DEFINED
+#endif
+
+/*
+ *  Assumes sig_atomic_t is signed and we have a 2s complement machine.
+ */
+
+#ifndef SIG_ATOMIC_MAX
+# define SIG_ATOMIC_MAX ((((sig_atomic_t) 1) << (sizeof (sig_atomic_t)*CHAR_BIT-1)) - 1)
+#endif
+
+#endif
+
+#if defined (__TEST_PSTDINT_FOR_CORRECTNESS)
+
+/*
+ *  Please compile with the maximum warning settings to make sure macros are
+ *  not defined more than once.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#define glue3_aux(x,y,z) x ## y ## z
+#define glue3(x,y,z) glue3_aux(x,y,z)
+
+#define DECLU(bits) glue3(uint,bits,_t) glue3(u,bits,) = glue3(UINT,bits,_C) (0);
+#define DECLI(bits) glue3(int,bits,_t) glue3(i,bits,) = glue3(INT,bits,_C) (0);
+
+#define DECL(us,bits) glue3(DECL,us,) (bits)
+
+#define TESTUMAX(bits) glue3(u,bits,) = ~glue3(u,bits,); if (glue3(UINT,bits,_MAX) != glue3(u,bits,)) printf ("Something wrong with UINT%d_MAX\n", bits)
+
+#define REPORTERROR(msg) { err_n++; if (err_first <= 0) err_first = __LINE__; printf msg; }
+
+int main () {
+	int err_n = 0;
+	int err_first = 0;
+	DECL(I,8)
+	DECL(U,8)
+	DECL(I,16)
+	DECL(U,16)
+	DECL(I,32)
+	DECL(U,32)
+#ifdef INT64_MAX
+	DECL(I,64)
+	DECL(U,64)
+#endif
+	intmax_t imax = INTMAX_C(0);
+	uintmax_t umax = UINTMAX_C(0);
+	char str0[256], str1[256];
+
+	sprintf (str0, "%" PRINTF_INT32_MODIFIER "d", INT32_C(2147483647));
+	if (0 != strcmp (str0, "2147483647")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str0));
+	if (atoi(PRINTF_INT32_DEC_WIDTH) != (int) strlen(str0)) REPORTERROR (("Something wrong with PRINTF_INT32_DEC_WIDTH : %s\n", PRINTF_INT32_DEC_WIDTH));
+	sprintf (str0, "%" PRINTF_INT32_MODIFIER "u", UINT32_C(4294967295));
+	if (0 != strcmp (str0, "4294967295")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str0));
+	if (atoi(PRINTF_UINT32_DEC_WIDTH) != (int) strlen(str0)) REPORTERROR (("Something wrong with PRINTF_UINT32_DEC_WIDTH : %s\n", PRINTF_UINT32_DEC_WIDTH));
+#ifdef INT64_MAX
+	sprintf (str1, "%" PRINTF_INT64_MODIFIER "d", INT64_C(9223372036854775807));
+	if (0 != strcmp (str1, "9223372036854775807")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str1));
+	if (atoi(PRINTF_INT64_DEC_WIDTH) != (int) strlen(str1)) REPORTERROR (("Something wrong with PRINTF_INT64_DEC_WIDTH : %s, %d\n", PRINTF_INT64_DEC_WIDTH, (int) strlen(str1)));
+	sprintf (str1, "%" PRINTF_INT64_MODIFIER "u", UINT64_C(18446744073709550591));
+	if (0 != strcmp (str1, "18446744073709550591")) REPORTERROR (("Something wrong with PRINTF_INT32_MODIFIER : %s\n", str1));
+	if (atoi(PRINTF_UINT64_DEC_WIDTH) != (int) strlen(str1)) REPORTERROR (("Something wrong with PRINTF_UINT64_DEC_WIDTH : %s, %d\n", PRINTF_UINT64_DEC_WIDTH, (int) strlen(str1)));
+#endif
+
+	sprintf (str0, "%d %x\n", 0, ~0);
+
+	sprintf (str1, "%d %x\n",  i8, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i8 : %s\n", str1));
+	sprintf (str1, "%u %x\n",  u8, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u8 : %s\n", str1));
+	sprintf (str1, "%d %x\n",  i16, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i16 : %s\n", str1));
+	sprintf (str1, "%u %x\n",  u16, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u16 : %s\n", str1));
+	sprintf (str1, "%" PRINTF_INT32_MODIFIER "d %x\n",  i32, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i32 : %s\n", str1));
+	sprintf (str1, "%" PRINTF_INT32_MODIFIER "u %x\n",  u32, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with u32 : %s\n", str1));
+#ifdef INT64_MAX
+	sprintf (str1, "%" PRINTF_INT64_MODIFIER "d %x\n",  i64, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with i64 : %s\n", str1));
+#endif
+	sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "d %x\n",  imax, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with imax : %s\n", str1));
+	sprintf (str1, "%" PRINTF_INTMAX_MODIFIER "u %x\n",  umax, ~0);
+	if (0 != strcmp (str0, str1)) REPORTERROR (("Something wrong with umax : %s\n", str1));
+
+	TESTUMAX(8);
+	TESTUMAX(16);
+	TESTUMAX(32);
+#ifdef INT64_MAX
+	TESTUMAX(64);
+#endif
+
+#define STR(v) #v
+#define Q(v) printf ("sizeof " STR(v) " = %u\n", (unsigned) sizeof (v));
+	if (err_n) {
+		printf ("pstdint.h is not correct.  Please use sizes below to correct it:\n");
+	}
+
+	Q(int)
+	Q(unsigned)
+	Q(long int)
+	Q(short int)
+	Q(int8_t)
+	Q(int16_t)
+	Q(int32_t)
+#ifdef INT64_MAX
+	Q(int64_t)
+#endif
+
+	return EXIT_SUCCESS;
+}
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/Compiler/pushpack1.h b/thirdparty/assimp/include/assimp/Compiler/pushpack1.h
new file mode 100644
index 0000000000..4c9fbb857f
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Compiler/pushpack1.h
@@ -0,0 +1,43 @@
+
+
+// ===============================================================================
+// May be included multiple times - sets structure packing to 1 
+// for all supported compilers. #include <poppack1.h> reverts the changes.
+//
+// Currently this works on the following compilers:
+// MSVC 7,8,9
+// GCC
+// BORLAND (complains about 'pack state changed but not reverted', but works)
+// Clang
+//
+//
+// USAGE:
+//
+// struct StructToBePacked {
+// } PACK_STRUCT;
+//
+// ===============================================================================
+
+#ifdef AI_PUSHPACK_IS_DEFINED
+#	error poppack1.h must be included after pushpack1.h
+#endif
+
+#if defined(_MSC_VER) ||  defined(__BORLANDC__) ||	defined (__BCPLUSPLUS__)
+#	pragma pack(push,1)
+#	define PACK_STRUCT
+#elif defined( __GNUC__ ) || defined(__clang__)
+#	if !defined(HOST_MINGW)
+#		define PACK_STRUCT	__attribute__((__packed__))
+#	else
+#		define PACK_STRUCT	__attribute__((gcc_struct, __packed__))
+#	endif
+#else
+#	error Compiler not supported
+#endif
+
+#if defined(_MSC_VER)
+// C4103: Packing was changed after the inclusion of the header, probably missing #pragma pop
+#	pragma warning (disable : 4103) 
+#endif
+
+#define AI_PUSHPACK_IS_DEFINED
diff --git a/thirdparty/assimp/include/assimp/CreateAnimMesh.h b/thirdparty/assimp/include/assimp/CreateAnimMesh.h
new file mode 100644
index 0000000000..a60173588f
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/CreateAnimMesh.h
@@ -0,0 +1,58 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file CreateAnimMesh.h
+ *  Create AnimMesh from Mesh
+ */
+#ifndef INCLUDED_AI_CREATE_ANIM_MESH_H
+#define INCLUDED_AI_CREATE_ANIM_MESH_H
+
+#include <assimp/mesh.h>
+
+namespace Assimp    {
+
+/** Create aiAnimMesh from aiMesh. */
+ASSIMP_API aiAnimMesh *aiCreateAnimMesh(const aiMesh *mesh);
+
+} // end of namespace Assimp
+#endif // INCLUDED_AI_CREATE_ANIM_MESH_H
+
diff --git a/thirdparty/assimp/include/assimp/DefaultIOStream.h b/thirdparty/assimp/include/assimp/DefaultIOStream.h
new file mode 100644
index 0000000000..994d728ff5
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/DefaultIOStream.h
@@ -0,0 +1,140 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Default file I/O using fXXX()-family of functions */
+#ifndef AI_DEFAULTIOSTREAM_H_INC
+#define AI_DEFAULTIOSTREAM_H_INC
+
+#include <stdio.h>
+#include <assimp/IOStream.hpp>
+#include <assimp/importerdesc.h>
+#include <assimp/Defines.h>
+
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+//! @class  DefaultIOStream
+//! @brief  Default IO implementation, use standard IO operations
+//! @note   An instance of this class can exist without a valid file handle
+//!         attached to it. All calls fail, but the instance can nevertheless be
+//!         used with no restrictions.
+class ASSIMP_API DefaultIOStream : public IOStream
+{
+    friend class DefaultIOSystem;
+#if __ANDROID__
+# if __ANDROID_API__ > 9
+#  if defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
+    friend class AndroidJNIIOSystem;
+#  endif // defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
+# endif // __ANDROID_API__ > 9
+#endif // __ANDROID__
+
+protected:
+    DefaultIOStream() AI_NO_EXCEPT;
+    DefaultIOStream(FILE* pFile, const std::string &strFilename);
+
+public:
+    /** Destructor public to allow simple deletion to close the file. */
+    ~DefaultIOStream ();
+
+    // -------------------------------------------------------------------
+    /// Read from stream
+    size_t Read(void* pvBuffer,
+        size_t pSize,
+        size_t pCount);
+
+
+    // -------------------------------------------------------------------
+    /// Write to stream
+    size_t Write(const void* pvBuffer,
+        size_t pSize,
+        size_t pCount);
+
+    // -------------------------------------------------------------------
+    /// Seek specific position
+    aiReturn Seek(size_t pOffset,
+        aiOrigin pOrigin);
+
+    // -------------------------------------------------------------------
+    /// Get current seek position
+    size_t Tell() const;
+
+    // -------------------------------------------------------------------
+    /// Get size of file
+    size_t FileSize() const;
+
+    // -------------------------------------------------------------------
+    /// Flush file contents
+    void Flush();
+
+private:
+    //  File data-structure, using clib
+    FILE* mFile;
+    //  Filename
+    std::string mFilename;
+    // Cached file size
+    mutable size_t mCachedSize;
+};
+
+// ----------------------------------------------------------------------------------
+inline
+DefaultIOStream::DefaultIOStream() AI_NO_EXCEPT
+: mFile(nullptr)
+, mFilename("")
+, mCachedSize(SIZE_MAX) {
+    // empty
+}
+
+// ----------------------------------------------------------------------------------
+inline
+DefaultIOStream::DefaultIOStream (FILE* pFile, const std::string &strFilename)
+: mFile(pFile)
+, mFilename(strFilename)
+, mCachedSize(SIZE_MAX) {
+    // empty
+}
+// ----------------------------------------------------------------------------------
+
+} // ns assimp
+
+#endif //!!AI_DEFAULTIOSTREAM_H_INC
+
diff --git a/thirdparty/assimp/include/assimp/DefaultIOSystem.h b/thirdparty/assimp/include/assimp/DefaultIOSystem.h
new file mode 100644
index 0000000000..2dd5c801b5
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/DefaultIOSystem.h
@@ -0,0 +1,93 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Default implementation of IOSystem using the standard C file functions */
+#ifndef AI_DEFAULTIOSYSTEM_H_INC
+#define AI_DEFAULTIOSYSTEM_H_INC
+
+#include <assimp/IOSystem.hpp>
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** Default implementation of IOSystem using the standard C file functions */
+class ASSIMP_API DefaultIOSystem : public IOSystem {
+public:
+    // -------------------------------------------------------------------
+    /** Tests for the existence of a file at the given path. */
+    bool Exists( const char* pFile) const;
+
+    // -------------------------------------------------------------------
+    /** Returns the directory separator. */
+    char getOsSeparator() const;
+
+    // -------------------------------------------------------------------
+    /** Open a new file with a given path. */
+    IOStream* Open( const char* pFile, const char* pMode = "rb");
+
+    // -------------------------------------------------------------------
+    /** Closes the given file and releases all resources associated with it. */
+    void Close( IOStream* pFile);
+
+    // -------------------------------------------------------------------
+    /** Compare two paths */
+    bool ComparePaths (const char* one, const char* second) const;
+
+    /** @brief get the file name of a full filepath
+     * example: /tmp/archive.tar.gz -> archive.tar.gz
+     */
+    static std::string fileName( const std::string &path );
+
+    /** @brief get the complete base name of a full filepath
+     * example: /tmp/archive.tar.gz -> archive.tar
+     */
+    static std::string completeBaseName( const std::string &path);
+
+    /** @brief get the path of a full filepath
+     * example: /tmp/archive.tar.gz -> /tmp/
+     */
+    static std::string absolutePath( const std::string &path);
+};
+
+} //!ns Assimp
+
+#endif //AI_DEFAULTIOSYSTEM_H_INC
diff --git a/thirdparty/assimp/include/assimp/DefaultLogger.hpp b/thirdparty/assimp/include/assimp/DefaultLogger.hpp
new file mode 100644
index 0000000000..1946e250a6
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/DefaultLogger.hpp
@@ -0,0 +1,188 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+/** @file DefaultLogger.hpp
+*/
+
+#ifndef INCLUDED_AI_DEFAULTLOGGER
+#define INCLUDED_AI_DEFAULTLOGGER
+
+#include "Logger.hpp"
+#include "LogStream.hpp"
+#include "NullLogger.hpp"
+#include <vector>
+
+namespace Assimp    {
+// ------------------------------------------------------------------------------------
+class IOStream;
+struct LogStreamInfo;
+
+/** default name of logfile */
+#define ASSIMP_DEFAULT_LOG_NAME "AssimpLog.txt"
+
+// ------------------------------------------------------------------------------------
+/** @brief CPP-API: Primary logging facility of Assimp.
+ *
+ *  The library stores its primary #Logger as a static member of this class.
+ *  #get() returns this primary logger. By default the underlying implementation is
+ *  just a #NullLogger which rejects all log messages. By calling #create(), logging
+ *  is turned on. To capture the log output multiple log streams (#LogStream) can be
+ *  attach to the logger. Some default streams for common streaming locations (such as
+ *  a file, std::cout, OutputDebugString()) are also provided.
+ *
+ *  If you wish to customize the logging at an even deeper level supply your own
+ *  implementation of #Logger to #set().
+ *  @note The whole logging stuff causes a small extra overhead for all imports. */
+class ASSIMP_API DefaultLogger :
+    public Logger   {
+
+public:
+
+    // ----------------------------------------------------------------------
+    /** @brief Creates a logging instance.
+     *  @param name Name for log file. Only valid in combination
+     *    with the aiDefaultLogStream_FILE flag.
+     *  @param severity Log severity, VERBOSE turns on debug messages
+     *  @param defStreams  Default log streams to be attached. Any bitwise
+     *    combination of the aiDefaultLogStream enumerated values.
+     *    If #aiDefaultLogStream_FILE is specified but an empty string is
+     *    passed for 'name', no log file is created at all.
+     *  @param  io IOSystem to be used to open external files (such as the
+     *   log file). Pass NULL to rely on the default implementation.
+     *  This replaces the default #NullLogger with a #DefaultLogger instance. */
+    static Logger *create(const char* name = ASSIMP_DEFAULT_LOG_NAME,
+        LogSeverity severity    = NORMAL,
+        unsigned int defStreams = aiDefaultLogStream_DEBUGGER | aiDefaultLogStream_FILE,
+        IOSystem* io            = NULL);
+
+    // ----------------------------------------------------------------------
+    /** @brief Setup a custom #Logger implementation.
+     *
+     *  Use this if the provided #DefaultLogger class doesn't fit into
+     *  your needs. If the provided message formatting is OK for you,
+     *  it's much easier to use #create() and to attach your own custom
+     *  output streams to it.
+     *  @param logger Pass NULL to setup a default NullLogger*/
+    static void set (Logger *logger);
+
+    // ----------------------------------------------------------------------
+    /** @brief  Getter for singleton instance
+     *   @return Only instance. This is never null, but it could be a
+     *  NullLogger. Use isNullLogger to check this.*/
+    static Logger *get();
+
+    // ----------------------------------------------------------------------
+    /** @brief  Return whether a #NullLogger is currently active
+     *  @return true if the current logger is a #NullLogger.
+     *  Use create() or set() to setup a logger that does actually do
+     *  something else than just rejecting all log messages. */
+    static bool isNullLogger();
+
+    // ----------------------------------------------------------------------
+    /** @brief  Kills the current singleton logger and replaces it with a
+     *  #NullLogger instance. */
+    static void kill();
+
+    // ----------------------------------------------------------------------
+    /** @copydoc Logger::attachStream   */
+    bool attachStream(LogStream *pStream,
+        unsigned int severity);
+
+    // ----------------------------------------------------------------------
+    /** @copydoc Logger::detatchStream */
+    bool detatchStream(LogStream *pStream,
+        unsigned int severity);
+
+private:
+    // ----------------------------------------------------------------------
+    /** @briefPrivate construction for internal use by create().
+     *  @param severity Logging granularity  */
+    explicit DefaultLogger(LogSeverity severity);
+
+    // ----------------------------------------------------------------------
+    /** @briefDestructor    */
+    ~DefaultLogger();
+
+    /** @brief  Logs debug infos, only been written when severity level VERBOSE is set */
+    void OnDebug(const char* message);
+
+    /** @brief  Logs an info message */
+    void OnInfo(const char*  message);
+
+    /** @brief  Logs a warning message */
+    void OnWarn(const char*  message);
+
+    /** @brief  Logs an error message */
+    void OnError(const char* message);
+
+    // ----------------------------------------------------------------------
+    /** @brief Writes a message to all streams */
+    void WriteToStreams(const char* message, ErrorSeverity ErrorSev );
+
+    // ----------------------------------------------------------------------
+    /** @brief Returns the thread id.
+     *  @note This is an OS specific feature, if not supported, a
+     *    zero will be returned.
+     */
+    unsigned int GetThreadID();
+
+private:
+    //  Aliases for stream container
+    typedef std::vector<LogStreamInfo*> StreamArray;
+    typedef std::vector<LogStreamInfo*>::iterator StreamIt;
+    typedef std::vector<LogStreamInfo*>::const_iterator ConstStreamIt;
+
+    //! only logging instance
+    static Logger *m_pLogger;
+    static NullLogger s_pNullLogger;
+
+    //! Attached streams
+    StreamArray m_StreamArray;
+
+    bool noRepeatMsg;
+    char lastMsg[MAX_LOG_MESSAGE_LENGTH*2];
+    size_t lastLen;
+};
+// ------------------------------------------------------------------------------------
+
+} // Namespace Assimp
+
+#endif // !! INCLUDED_AI_DEFAULTLOGGER
diff --git a/thirdparty/assimp/include/assimp/Defines.h b/thirdparty/assimp/include/assimp/Defines.h
new file mode 100644
index 0000000000..15e1d83c26
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Defines.h
@@ -0,0 +1,49 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2012, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+// We need those constants, workaround for any platforms where nobody defined them yet
+#if (!defined SIZE_MAX)
+#   define SIZE_MAX (~((size_t)0))
+#endif
+
+#if (!defined UINT_MAX)
+#   define UINT_MAX (~((unsigned int)0))
+#endif
+
diff --git a/thirdparty/assimp/include/assimp/Exceptional.h b/thirdparty/assimp/include/assimp/Exceptional.h
new file mode 100644
index 0000000000..5109b8f077
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Exceptional.h
@@ -0,0 +1,125 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef INCLUDED_EXCEPTIONAL_H
+#define INCLUDED_EXCEPTIONAL_H
+
+#include <stdexcept>
+#include <assimp/DefaultIOStream.h>
+using std::runtime_error;
+
+#ifdef _MSC_VER
+#   pragma warning(disable : 4275)
+#endif
+
+// ---------------------------------------------------------------------------
+/** FOR IMPORTER PLUGINS ONLY: Simple exception class to be thrown if an
+ *  unrecoverable error occurs while importing. Loading APIs return
+ *  NULL instead of a valid aiScene then.  */
+class DeadlyImportError
+    : public runtime_error
+{
+public:
+    /** Constructor with arguments */
+    explicit DeadlyImportError( const std::string& errorText)
+        : runtime_error(errorText)
+    {
+    }
+
+private:
+};
+
+typedef DeadlyImportError DeadlyExportError;
+
+#ifdef _MSC_VER
+#   pragma warning(default : 4275)
+#endif
+
+// ---------------------------------------------------------------------------
+template <typename T>
+struct ExceptionSwallower   {
+    T operator ()() const {
+        return T();
+    }
+};
+
+// ---------------------------------------------------------------------------
+template <typename T>
+struct ExceptionSwallower<T*>   {
+    T* operator ()() const {
+        return NULL;
+    }
+};
+
+// ---------------------------------------------------------------------------
+template <>
+struct ExceptionSwallower<aiReturn> {
+    aiReturn operator ()() const {
+        try {
+            throw;
+        }
+        catch (std::bad_alloc&) {
+            return aiReturn_OUTOFMEMORY;
+        }
+        catch (...) {
+            return aiReturn_FAILURE;
+        }
+    }
+};
+
+// ---------------------------------------------------------------------------
+template <>
+struct ExceptionSwallower<void> {
+    void operator ()() const {
+        return;
+    }
+};
+
+#define ASSIMP_BEGIN_EXCEPTION_REGION()\
+{\
+    try {
+
+#define ASSIMP_END_EXCEPTION_REGION(type)\
+    } catch(...) {\
+        return ExceptionSwallower<type>()();\
+    }\
+}
+
+#endif // INCLUDED_EXCEPTIONAL_H
diff --git a/thirdparty/assimp/include/assimp/Exporter.hpp b/thirdparty/assimp/include/assimp/Exporter.hpp
new file mode 100644
index 0000000000..bf0096e7e9
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Exporter.hpp
@@ -0,0 +1,505 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  Exporter.hpp
+*  @brief Defines the CPP-API for the Assimp export interface
+*/
+#pragma once
+#ifndef AI_EXPORT_HPP_INC
+#define AI_EXPORT_HPP_INC
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+#include "cexport.h"
+#include <map>
+
+namespace Assimp {
+    
+class ExporterPimpl;
+class IOSystem;
+class ProgressHandler;
+
+// ----------------------------------------------------------------------------------
+/** CPP-API: The Exporter class forms an C++ interface to the export functionality
+ * of the Open Asset Import Library. Note that the export interface is available
+ * only if Assimp has been built with ASSIMP_BUILD_NO_EXPORT not defined.
+ *
+ * The interface is modeled after the importer interface and mostly
+ * symmetric. The same rules for threading etc. apply.
+ *
+ * In a nutshell, there are two export interfaces: #Export, which writes the
+ * output file(s) either to the regular file system or to a user-supplied
+ * #IOSystem, and #ExportToBlob which returns a linked list of memory
+ * buffers (blob), each referring to one output file (in most cases
+ * there will be only one output file of course, but this extra complexity is
+ * needed since Assimp aims at supporting a wide range of file formats).
+ *
+ * #ExportToBlob is especially useful if you intend to work
+ * with the data in-memory.
+*/
+class ASSIMP_API ExportProperties;
+
+class ASSIMP_API Exporter {
+public:
+    /** Function pointer type of a Export worker function */
+    typedef void (*fpExportFunc)(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+
+    /** Internal description of an Assimp export format option */
+    struct ExportFormatEntry {
+        /// Public description structure to be returned by aiGetExportFormatDescription()
+        aiExportFormatDesc mDescription;
+
+        // Worker function to do the actual exporting
+        fpExportFunc mExportFunction;
+
+        // Post-processing steps to be executed PRIOR to invoking mExportFunction
+        unsigned int mEnforcePP;
+
+        // Constructor to fill all entries
+        ExportFormatEntry( const char* pId, const char* pDesc, const char* pExtension, fpExportFunc pFunction, unsigned int pEnforcePP = 0u)
+        {
+            mDescription.id = pId;
+            mDescription.description = pDesc;
+            mDescription.fileExtension = pExtension;
+            mExportFunction = pFunction;
+            mEnforcePP = pEnforcePP;
+        }
+
+        ExportFormatEntry() :
+            mExportFunction()
+          , mEnforcePP()
+        {
+            mDescription.id = NULL;
+            mDescription.description = NULL;
+            mDescription.fileExtension = NULL;
+        }
+    };
+
+    /**
+     *  @brief  The class constructor.
+     */
+    Exporter();
+
+    /**
+    *  @brief  The class destructor.
+    */
+    ~Exporter();
+
+    // -------------------------------------------------------------------
+    /** Supplies a custom IO handler to the exporter to use to open and
+     * access files.
+     *
+     * If you need #Export to use custom IO logic to access the files,
+     * you need to supply a custom implementation of IOSystem and
+     * IOFile to the exporter.
+     *
+     * #Exporter takes ownership of the object and will destroy it
+     * afterwards. The previously assigned handler will be deleted.
+     * Pass NULL to take again ownership of your IOSystem and reset Assimp
+     * to use its default implementation, which uses plain file IO.
+     *
+     * @param pIOHandler The IO handler to be used in all file accesses
+     *   of the Importer. */
+    void SetIOHandler( IOSystem* pIOHandler);
+
+    // -------------------------------------------------------------------
+    /** Retrieves the IO handler that is currently set.
+     * You can use #IsDefaultIOHandler() to check whether the returned
+     * interface is the default IO handler provided by ASSIMP. The default
+     * handler is active as long the application doesn't supply its own
+     * custom IO handler via #SetIOHandler().
+     * @return A valid IOSystem interface, never NULL. */
+    IOSystem* GetIOHandler() const;
+
+    // -------------------------------------------------------------------
+    /** Checks whether a default IO handler is active
+     * A default handler is active as long the application doesn't
+     * supply its own custom IO handler via #SetIOHandler().
+     * @return true by default */
+    bool IsDefaultIOHandler() const;
+
+    // -------------------------------------------------------------------
+    /** Supplies a custom progress handler to the exporter. This
+     *  interface exposes an #Update() callback, which is called
+     *  more or less periodically (please don't sue us if it
+     *  isn't as periodically as you'd like it to have ...).
+     *  This can be used to implement progress bars and loading
+     *  timeouts.
+     *  @param pHandler Progress callback interface. Pass nullptr to
+     *    disable progress reporting.
+     *  @note Progress handlers can be used to abort the loading
+     *    at almost any time.*/
+    void SetProgressHandler(ProgressHandler* pHandler);
+
+    // -------------------------------------------------------------------
+    /** Exports the given scene to a chosen file format. Returns the exported
+    * data as a binary blob which you can write into a file or something.
+    * When you're done with the data, simply let the #Exporter instance go
+    * out of scope to have it released automatically.
+    * @param pScene The scene to export. Stays in possession of the caller,
+    *   is not changed by the function.
+    * @param pFormatId ID string to specify to which format you want to
+    *   export to. Use
+    * #GetExportFormatCount / #GetExportFormatDescription to learn which
+    *   export formats are available.
+    * @param pPreprocessing See the documentation for #Export
+    * @return the exported data or NULL in case of error.
+    * @note If the Exporter instance did already hold a blob from
+    *   a previous call to #ExportToBlob, it will be disposed.
+    *   Any IO handlers set via #SetIOHandler are ignored here.
+    * @note Use aiCopyScene() to get a modifiable copy of a previously
+    *   imported scene. */
+    const aiExportDataBlob* ExportToBlob(const aiScene* pScene, const char* pFormatId,
+        unsigned int pPreprocessing = 0u, const ExportProperties* = nullptr);
+    const aiExportDataBlob* ExportToBlob(  const aiScene* pScene, const std::string& pFormatId,
+        unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
+
+    // -------------------------------------------------------------------
+    /** Convenience function to export directly to a file. Use
+     *  #SetIOSystem to supply a custom IOSystem to gain fine-grained control
+     *  about the output data flow of the export process.
+     * @param pBlob A data blob obtained from a previous call to #aiExportScene. Must not be NULL.
+     * @param pPath Full target file name. Target must be accessible.
+     * @param pPreprocessing Accepts any choice of the #aiPostProcessSteps enumerated
+     *   flags, but in reality only a subset of them makes sense here. Specifying
+     *   'preprocessing' flags is useful if the input scene does not conform to
+     *   Assimp's default conventions as specified in the @link data Data Structures Page @endlink.
+     *   In short, this means the geometry data should use a right-handed coordinate systems, face
+     *   winding should be counter-clockwise and the UV coordinate origin is assumed to be in
+     *   the upper left. The #aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
+     *   #aiProcess_FlipWindingOrder flags are used in the import side to allow users
+     *   to have those defaults automatically adapted to their conventions. Specifying those flags
+     *   for exporting has the opposite effect, respectively. Some other of the
+     *   #aiPostProcessSteps enumerated values may be useful as well, but you'll need
+     *   to try out what their effect on the exported file is. Many formats impose
+     *   their own restrictions on the structure of the geometry stored therein,
+     *   so some preprocessing may have little or no effect at all, or may be
+     *   redundant as exporters would apply them anyhow. A good example
+     *   is triangulation - whilst you can enforce it by specifying
+     *   the #aiProcess_Triangulate flag, most export formats support only
+     *   triangulate data so they would run the step even if it wasn't requested.
+     *
+     *   If assimp detects that the input scene was directly taken from the importer side of
+     *   the library (i.e. not copied using aiCopyScene and potentially modified afterwards),
+     *   any post-processing steps already applied to the scene will not be applied again, unless
+     *   they show non-idempotent behavior (#aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
+     *   #aiProcess_FlipWindingOrder).
+     * @return AI_SUCCESS if everything was fine.
+     * @note Use aiCopyScene() to get a modifiable copy of a previously
+     *   imported scene.*/
+    aiReturn Export( const aiScene* pScene, const char* pFormatId, const char* pPath,
+        unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
+    aiReturn Export( const aiScene* pScene, const std::string& pFormatId, const std::string& pPath,
+        unsigned int pPreprocessing = 0u, const ExportProperties* pProperties = nullptr);
+
+    // -------------------------------------------------------------------
+    /** Returns an error description of an error that occurred in #Export
+     *    or #ExportToBlob
+     *
+     * Returns an empty string if no error occurred.
+     * @return A description of the last error, an empty string if no
+     *   error occurred. The string is never NULL.
+     *
+     * @note The returned function remains valid until one of the
+     * following methods is called: #Export, #ExportToBlob, #FreeBlob */
+    const char* GetErrorString() const;
+
+    // -------------------------------------------------------------------
+    /** Return the blob obtained from the last call to #ExportToBlob */
+    const aiExportDataBlob* GetBlob() const;
+
+    // -------------------------------------------------------------------
+    /** Orphan the blob from the last call to #ExportToBlob. This means
+     *  the caller takes ownership and is thus responsible for calling
+     *  the C API function #aiReleaseExportBlob to release it. */
+    const aiExportDataBlob* GetOrphanedBlob() const;
+
+    // -------------------------------------------------------------------
+    /** Frees the current blob.
+     *
+     *  The function does nothing if no blob has previously been
+     *  previously produced via #ExportToBlob. #FreeBlob is called
+     *  automatically by the destructor. The only reason to call
+     *  it manually would be to reclaim as much storage as possible
+     *  without giving up the #Exporter instance yet. */
+    void FreeBlob( );
+
+    // -------------------------------------------------------------------
+    /** Returns the number of export file formats available in the current
+     *  Assimp build. Use #Exporter::GetExportFormatDescription to
+     *  retrieve infos of a specific export format.
+     *
+     *  This includes built-in exporters as well as exporters registered
+     *  using #RegisterExporter.
+     **/
+    size_t GetExportFormatCount() const;
+
+    // -------------------------------------------------------------------
+    /** Returns a description of the nth export file format. Use #
+     *  #Exporter::GetExportFormatCount to learn how many export
+     *  formats are supported.
+     *
+     * The returned pointer is of static storage duration if the
+     * pIndex pertains to a built-in exporter (i.e. one not registered
+     * via #RegistrerExporter). It is restricted to the life-time of the
+     * #Exporter instance otherwise.
+     *
+     * @param pIndex Index of the export format to retrieve information
+     *  for. Valid range is 0 to #Exporter::GetExportFormatCount
+     * @return A description of that specific export format.
+     *  NULL if pIndex is out of range. */
+    const aiExportFormatDesc* GetExportFormatDescription( size_t pIndex ) const;
+
+    // -------------------------------------------------------------------
+    /** Register a custom exporter. Custom export formats are limited to
+     *    to the current #Exporter instance and do not affect the
+     *    library globally. The indexes under which the format's
+     *    export format description can be queried are assigned
+     *    monotonously.
+     *  @param desc Exporter description.
+     *  @return aiReturn_SUCCESS if the export format was successfully
+     *    registered. A common cause that would prevent an exporter
+     *    from being registered is that its format id is already
+     *    occupied by another format. */
+    aiReturn RegisterExporter(const ExportFormatEntry& desc);
+
+    // -------------------------------------------------------------------
+    /** Remove an export format previously registered with #RegisterExporter
+     *  from the #Exporter instance (this can also be used to drop
+     *  built-in exporters because those are implicitly registered
+     *  using #RegisterExporter).
+     *  @param id Format id to be unregistered, this refers to the
+     *    'id' field of #aiExportFormatDesc.
+     *  @note Calling this method on a format description not yet registered
+     *    has no effect.*/
+    void UnregisterExporter(const char* id);
+
+protected:
+    // Just because we don't want you to know how we're hacking around.
+    ExporterPimpl* pimpl;
+};
+
+class ASSIMP_API ExportProperties {
+public:
+    // Data type to store the key hash
+    typedef unsigned int KeyType;
+
+    // typedefs for our four configuration maps.
+    // We don't need more, so there is no need for a generic solution
+    typedef std::map<KeyType, int> IntPropertyMap;
+    typedef std::map<KeyType, ai_real> FloatPropertyMap;
+    typedef std::map<KeyType, std::string> StringPropertyMap;
+    typedef std::map<KeyType, aiMatrix4x4> MatrixPropertyMap;
+
+public:
+    /** Standard constructor
+    * @see ExportProperties()
+    */
+    ExportProperties();
+
+    // -------------------------------------------------------------------
+    /** Copy constructor.
+     *
+     * This copies the configuration properties of another ExportProperties.
+     * @see ExportProperties(const ExportProperties& other)
+     */
+    ExportProperties(const ExportProperties& other);
+
+    // -------------------------------------------------------------------
+    /** Set an integer configuration property.
+     * @param szName Name of the property. All supported properties
+     *   are defined in the aiConfig.g header (all constants share the
+     *   prefix AI_CONFIG_XXX and are simple strings).
+     * @param iValue New value of the property
+     * @return true if the property was set before. The new value replaces
+     *   the previous value in this case.
+     * @note Property of different types (float, int, string ..) are kept
+     *   on different stacks, so calling SetPropertyInteger() for a
+     *   floating-point property has no effect - the loader will call
+     *   GetPropertyFloat() to read the property, but it won't be there.
+     */
+    bool SetPropertyInteger(const char* szName, int iValue);
+
+    // -------------------------------------------------------------------
+    /** Set a boolean configuration property. Boolean properties
+     *  are stored on the integer stack internally so it's possible
+     *  to set them via #SetPropertyBool and query them with
+     *  #GetPropertyBool and vice versa.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyBool(const char* szName, bool value)    {
+        return SetPropertyInteger(szName,value);
+    }
+
+    // -------------------------------------------------------------------
+    /** Set a floating-point configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyFloat(const char* szName, ai_real fValue);
+
+    // -------------------------------------------------------------------
+    /** Set a string configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyString(const char* szName, const std::string& sValue);
+
+    // -------------------------------------------------------------------
+    /** Set a matrix configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyMatrix(const char* szName, const aiMatrix4x4& sValue);
+
+    // -------------------------------------------------------------------
+    /** Get a configuration property.
+     * @param szName Name of the property. All supported properties
+     *   are defined in the aiConfig.g header (all constants share the
+     *   prefix AI_CONFIG_XXX).
+     * @param iErrorReturn Value that is returned if the property
+     *   is not found.
+     * @return Current value of the property
+     * @note Property of different types (float, int, string ..) are kept
+     *   on different lists, so calling SetPropertyInteger() for a
+     *   floating-point property has no effect - the loader will call
+     *   GetPropertyFloat() to read the property, but it won't be there.
+     */
+    int GetPropertyInteger(const char* szName,
+        int iErrorReturn = 0xffffffff) const;
+
+    // -------------------------------------------------------------------
+    /** Get a boolean configuration property. Boolean properties
+     *  are stored on the integer stack internally so it's possible
+     *  to set them via #SetPropertyBool and query them with
+     *  #GetPropertyBool and vice versa.
+     * @see GetPropertyInteger()
+     */
+    bool GetPropertyBool(const char* szName, bool bErrorReturn = false) const {
+        return GetPropertyInteger(szName,bErrorReturn)!=0;
+    }
+
+    // -------------------------------------------------------------------
+    /** Get a floating-point configuration property
+     * @see GetPropertyInteger()
+     */
+    ai_real GetPropertyFloat(const char* szName,
+        ai_real fErrorReturn = 10e10f) const;
+
+    // -------------------------------------------------------------------
+    /** Get a string configuration property
+     *
+     *  The return value remains valid until the property is modified.
+     * @see GetPropertyInteger()
+     */
+    const std::string GetPropertyString(const char* szName,
+        const std::string& sErrorReturn = "") const;
+
+    // -------------------------------------------------------------------
+    /** Get a matrix configuration property
+     *
+     *  The return value remains valid until the property is modified.
+     * @see GetPropertyInteger()
+     */
+    const aiMatrix4x4 GetPropertyMatrix(const char* szName,
+        const aiMatrix4x4& sErrorReturn = aiMatrix4x4()) const;
+
+    // -------------------------------------------------------------------
+    /** Determine a integer configuration property has been set.
+    * @see HasPropertyInteger()
+     */
+    bool HasPropertyInteger(const char* szName) const;
+
+    /** Determine a boolean configuration property has been set.
+    * @see HasPropertyBool()
+     */
+    bool HasPropertyBool(const char* szName) const;
+
+    /** Determine a boolean configuration property has been set.
+    * @see HasPropertyFloat()
+     */
+    bool HasPropertyFloat(const char* szName) const;
+
+    /** Determine a String configuration property has been set.
+    * @see HasPropertyString()
+     */
+    bool HasPropertyString(const char* szName) const;
+
+    /** Determine a Matrix configuration property has been set.
+    * @see HasPropertyMatrix()
+     */
+    bool HasPropertyMatrix(const char* szName) const;
+
+protected:
+
+    /** List of integer properties */
+    IntPropertyMap mIntProperties;
+
+    /** List of floating-point properties */
+    FloatPropertyMap mFloatProperties;
+
+    /** List of string properties */
+    StringPropertyMap mStringProperties;
+
+    /** List of Matrix properties */
+    MatrixPropertyMap mMatrixProperties;
+};
+
+// ----------------------------------------------------------------------------------
+inline 
+const aiExportDataBlob* Exporter::ExportToBlob(  const aiScene* pScene, const std::string& pFormatId,
+                                                 unsigned int pPreprocessing, const ExportProperties* pProperties)
+{
+    return ExportToBlob(pScene,pFormatId.c_str(),pPreprocessing, pProperties);
+}
+
+// ----------------------------------------------------------------------------------
+inline
+aiReturn Exporter :: Export( const aiScene* pScene, const std::string& pFormatId, 
+                                    const std::string& pPath, unsigned int pPreprocessing, 
+                                    const ExportProperties* pProperties)
+{
+    return Export(pScene,pFormatId.c_str(),pPath.c_str(),pPreprocessing, pProperties);
+}
+
+} // namespace Assimp
+
+#endif // ASSIMP_BUILD_NO_EXPORT
+#endif // AI_EXPORT_HPP_INC
diff --git a/thirdparty/assimp/include/assimp/GenericProperty.h b/thirdparty/assimp/include/assimp/GenericProperty.h
new file mode 100644
index 0000000000..183ecd5197
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/GenericProperty.h
@@ -0,0 +1,133 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef AI_GENERIC_PROPERTY_H_INCLUDED
+#define AI_GENERIC_PROPERTY_H_INCLUDED
+
+#include <assimp/Importer.hpp>
+#include <assimp/ai_assert.h>
+#include "Hash.h"
+
+#include <map>
+
+// ------------------------------------------------------------------------------------------------
+template <class T>
+inline
+bool SetGenericProperty(std::map< unsigned int, T >& list,
+        const char* szName, const T& value) {
+    ai_assert(nullptr != szName);
+    const uint32_t hash = SuperFastHash(szName);
+
+    typename std::map<unsigned int, T>::iterator it = list.find(hash);
+    if (it == list.end())   {
+        list.insert(std::pair<unsigned int, T>( hash, value ));
+        return false;
+    }
+    (*it).second = value;
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <class T>
+inline
+const T& GetGenericProperty(const std::map< unsigned int, T >& list,
+        const char* szName, const T& errorReturn) {
+    ai_assert(nullptr != szName);
+    const uint32_t hash = SuperFastHash(szName);
+
+    typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
+    if (it == list.end()) {
+        return errorReturn;
+    }
+
+    return (*it).second;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Special version for pointer types - they will be deleted when replaced with another value
+// passing NULL removes the whole property
+template <class T>
+inline
+void SetGenericPropertyPtr(std::map< unsigned int, T* >& list,
+        const char* szName, T* value, bool* bWasExisting = nullptr ) {
+    ai_assert(nullptr != szName);
+    const uint32_t hash = SuperFastHash(szName);
+
+    typename std::map<unsigned int, T*>::iterator it = list.find(hash);
+    if (it == list.end())   {
+        if (bWasExisting) {
+            *bWasExisting = false;
+        }
+
+        list.insert(std::pair<unsigned int,T*>( hash, value ));
+        return;
+    }
+    if ((*it).second != value)  {
+        delete (*it).second;
+        (*it).second = value;
+    }
+    if (!value) {
+        list.erase(it);
+    }
+    if (bWasExisting) {
+        *bWasExisting = true;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+template <class T>
+inline
+bool HasGenericProperty(const std::map< unsigned int, T >& list,
+        const char* szName) {
+    ai_assert(nullptr != szName);
+    const uint32_t hash = SuperFastHash(szName);
+
+    typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
+    if (it == list.end()) {
+        return false;
+    }
+
+    return true;
+}
+
+#endif // !! AI_GENERIC_PROPERTY_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/Hash.h b/thirdparty/assimp/include/assimp/Hash.h
new file mode 100644
index 0000000000..30657be198
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Hash.h
@@ -0,0 +1,118 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef AI_HASH_H_INCLUDED
+#define AI_HASH_H_INCLUDED
+
+#include <stdint.h>
+#include <string.h>
+
+// ------------------------------------------------------------------------------------------------
+// Hashing function taken from
+// http://www.azillionmonkeys.com/qed/hash.html
+// (incremental version)
+//
+// This code is Copyright 2004-2008 by Paul Hsieh. It is used here in the belief that
+// Assimp's license is considered compatible with Pauls's derivative license as specified
+// on his web page.
+//
+// (stdint.h should have been been included here)
+// ------------------------------------------------------------------------------------------------
+#undef get16bits
+#if (defined(__GNUC__) && defined(__i386__)) || defined(__WATCOMC__) \
+  || defined(_MSC_VER) || defined (__BORLANDC__) || defined (__TURBOC__)
+#define get16bits(d) (*((const uint16_t *) (d)))
+#endif
+
+#if !defined (get16bits)
+#define get16bits(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
+                       +(uint32_t)(((const uint8_t *)(d))[0]) )
+#endif
+
+// ------------------------------------------------------------------------------------------------
+inline uint32_t SuperFastHash (const char * data, uint32_t len = 0, uint32_t hash = 0) {
+uint32_t tmp;
+int rem;
+
+    if (!data) return 0;
+    if (!len)len = (uint32_t)::strlen(data);
+
+    rem = len & 3;
+    len >>= 2;
+
+    /* Main loop */
+    for (;len > 0; len--) {
+        hash  += get16bits (data);
+        tmp    = (get16bits (data+2) << 11) ^ hash;
+        hash   = (hash << 16) ^ tmp;
+        data  += 2*sizeof (uint16_t);
+        hash  += hash >> 11;
+    }
+
+    /* Handle end cases */
+    switch (rem) {
+        case 3: hash += get16bits (data);
+                hash ^= hash << 16;
+                hash ^= data[sizeof (uint16_t)] << 18;
+                hash += hash >> 11;
+                break;
+        case 2: hash += get16bits (data);
+                hash ^= hash << 11;
+                hash += hash >> 17;
+                break;
+        case 1: hash += *data;
+                hash ^= hash << 10;
+                hash += hash >> 1;
+    }
+
+    /* Force "avalanching" of final 127 bits */
+    hash ^= hash << 3;
+    hash += hash >> 5;
+    hash ^= hash << 4;
+    hash += hash >> 17;
+    hash ^= hash << 25;
+    hash += hash >> 6;
+
+    return hash;
+}
+
+#endif // !! AI_HASH_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/IOStream.hpp b/thirdparty/assimp/include/assimp/IOStream.hpp
new file mode 100644
index 0000000000..0623d0f70b
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/IOStream.hpp
@@ -0,0 +1,142 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file IOStream.hpp
+ *  @brief File I/O wrappers for C++.
+ */
+
+#pragma once
+#ifndef AI_IOSTREAM_H_INC
+#define AI_IOSTREAM_H_INC
+
+#include "types.h"
+
+#ifndef __cplusplus
+#   error This header requires C++ to be used. aiFileIO.h is the \
+    corresponding C interface.
+#endif
+
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+/** @brief CPP-API: Class to handle file I/O for C++
+ *
+ *  Derive an own implementation from this interface to provide custom IO handling
+ *  to the Importer. If you implement this interface, be sure to also provide an
+ *  implementation for IOSystem that creates instances of your custom IO class.
+*/
+class ASSIMP_API IOStream
+#ifndef SWIG
+    : public Intern::AllocateFromAssimpHeap
+#endif
+{
+protected:
+    /** Constructor protected, use IOSystem::Open() to create an instance. */
+    IOStream() AI_NO_EXCEPT;
+
+public:
+    // -------------------------------------------------------------------
+    /** @brief Destructor. Deleting the object closes the underlying file,
+     * alternatively you may use IOSystem::Close() to release the file.
+     */
+    virtual ~IOStream();
+
+    // -------------------------------------------------------------------
+    /** @brief Read from the file
+     *
+     * See fread() for more details
+     * This fails for write-only files */
+    virtual size_t Read(void* pvBuffer,
+        size_t pSize,
+        size_t pCount) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Write to the file
+    *
+    * See fwrite() for more details
+    * This fails for read-only files */
+    virtual size_t Write(const void* pvBuffer,
+        size_t pSize,
+        size_t pCount) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Set the read/write cursor of the file
+     *
+     * Note that the offset is _negative_ for aiOrigin_END.
+     * See fseek() for more details */
+    virtual aiReturn Seek(size_t pOffset,
+        aiOrigin pOrigin) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Get the current position of the read/write cursor
+     *
+     * See ftell() for more details */
+    virtual size_t Tell() const = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Returns filesize
+     *  Returns the filesize. */
+    virtual size_t FileSize() const = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Flush the contents of the file buffer (for writers)
+     *  See fflush() for more details.
+     */
+    virtual void Flush() = 0;
+}; //! class IOStream
+
+// ----------------------------------------------------------------------------------
+inline
+IOStream::IOStream() AI_NO_EXCEPT {
+    // empty
+}
+
+// ----------------------------------------------------------------------------------
+inline
+IOStream::~IOStream() {
+    // empty
+}
+// ----------------------------------------------------------------------------------
+
+} //!namespace Assimp
+
+#endif //!!AI_IOSTREAM_H_INC
diff --git a/thirdparty/assimp/include/assimp/IOStreamBuffer.h b/thirdparty/assimp/include/assimp/IOStreamBuffer.h
new file mode 100644
index 0000000000..58abd97a02
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/IOStreamBuffer.h
@@ -0,0 +1,355 @@
+#pragma once
+
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#include <assimp/types.h>
+#include <assimp/IOStream.hpp>
+
+#include "ParsingUtils.h"
+
+#include <vector>
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/**
+ *  Implementation of a cached stream buffer.
+ */
+template<class T>
+class IOStreamBuffer {
+public:
+    /// @brief  The class constructor.
+    IOStreamBuffer( size_t cache = 4096 * 4096 );
+
+    /// @brief  The class destructor.
+    ~IOStreamBuffer();
+
+    /// @brief  Will open the cached access for a given stream.
+    /// @param  stream      The stream to cache.
+    /// @return true if successful.
+    bool open( IOStream *stream );
+
+    /// @brief  Will close the cached access.
+    /// @return true if successful.
+    bool close();
+
+    /// @brief  Returns the file-size.
+    /// @return The file-size.
+    size_t size() const;
+    
+    /// @brief  Returns the cache size.
+    /// @return The cache size.
+    size_t cacheSize() const;
+
+    /// @brief  Will read the next block.
+    /// @return true if successful.
+    bool readNextBlock();
+
+    /// @brief  Returns the number of blocks to read.
+    /// @return The number of blocks.
+    size_t getNumBlocks() const;
+
+    /// @brief  Returns the current block index.
+    /// @return The current block index.
+    size_t getCurrentBlockIndex() const;
+
+    /// @brief  Returns the current file pos.
+    /// @return The current file pos.
+    size_t getFilePos() const;
+
+    /// @brief  Will read the next line.
+    /// @param  buffer      The buffer for the next line.
+    /// @return true if successful.
+    bool getNextDataLine( std::vector<T> &buffer, T continuationToken );
+
+    /// @brief  Will read the next line ascii or binary end line char.
+    /// @param  buffer      The buffer for the next line.
+    /// @return true if successful.
+    bool getNextLine(std::vector<T> &buffer);
+
+    /// @brief  Will read the next block.
+    /// @param  buffer      The buffer for the next block.
+    /// @return true if successful.
+    bool getNextBlock( std::vector<T> &buffer );
+
+private:
+    IOStream *m_stream;
+    size_t m_filesize;
+    size_t m_cacheSize;
+    size_t m_numBlocks;
+    size_t m_blockIdx;
+    std::vector<T> m_cache;
+    size_t m_cachePos;
+    size_t m_filePos;
+};
+
+template<class T>
+inline
+IOStreamBuffer<T>::IOStreamBuffer( size_t cache )
+: m_stream( nullptr )
+, m_filesize( 0 )
+, m_cacheSize( cache )
+, m_numBlocks( 0 )
+, m_blockIdx( 0 )
+, m_cachePos( 0 )
+, m_filePos( 0 ) {
+    m_cache.resize( cache );
+    std::fill( m_cache.begin(), m_cache.end(), '\n' );
+}
+
+template<class T>
+inline
+IOStreamBuffer<T>::~IOStreamBuffer() {
+    // empty
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::open( IOStream *stream ) {
+    //  file still opened!
+    if ( nullptr != m_stream ) {
+        return false;
+    }
+
+    //  Invalid stream pointer
+    if ( nullptr == stream ) {
+        return false;
+    }
+
+    m_stream = stream;
+    m_filesize = m_stream->FileSize();
+    if ( m_filesize == 0 ) {
+        return false;
+    }
+    if ( m_filesize < m_cacheSize ) {
+        m_cacheSize = m_filesize;
+    }
+
+    m_numBlocks = m_filesize / m_cacheSize;
+    if ( ( m_filesize % m_cacheSize ) > 0 ) {
+        m_numBlocks++;
+    }
+
+    return true;
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::close() {
+    if ( nullptr == m_stream ) {
+        return false;
+    }
+
+    // init counters and state vars
+    m_stream    = nullptr;
+    m_filesize  = 0;
+    m_numBlocks = 0;
+    m_blockIdx  = 0;
+    m_cachePos  = 0;
+    m_filePos   = 0;
+
+    return true;
+}
+
+template<class T>
+inline
+size_t IOStreamBuffer<T>::size() const {
+    return m_filesize;
+}
+
+template<class T>
+inline
+size_t IOStreamBuffer<T>::cacheSize() const {
+    return m_cacheSize;
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::readNextBlock() {
+    m_stream->Seek( m_filePos, aiOrigin_SET );
+    size_t readLen = m_stream->Read( &m_cache[ 0 ], sizeof( T ), m_cacheSize );
+    if ( readLen == 0 ) {
+        return false;
+    }
+    if ( readLen < m_cacheSize ) {
+        m_cacheSize = readLen;
+    }
+    m_filePos += m_cacheSize;
+    m_cachePos = 0;
+    m_blockIdx++;
+
+    return true;
+}
+
+template<class T>
+inline
+size_t IOStreamBuffer<T>::getNumBlocks() const {
+    return m_numBlocks;
+}
+
+template<class T>
+inline
+size_t IOStreamBuffer<T>::getCurrentBlockIndex() const {
+    return m_blockIdx;
+}
+
+template<class T>
+inline
+size_t IOStreamBuffer<T>::getFilePos() const {
+    return m_filePos;
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::getNextDataLine( std::vector<T> &buffer, T continuationToken ) {
+    buffer.resize( m_cacheSize );
+    if ( m_cachePos >= m_cacheSize || 0 == m_filePos ) {
+        if ( !readNextBlock() ) {
+            return false;
+        }
+    }
+
+    bool continuationFound( false );
+    size_t i = 0;
+    for( ;; ) {
+        if ( continuationToken == m_cache[ m_cachePos ] ) {
+            continuationFound = true;
+            ++m_cachePos;
+        }
+        if ( IsLineEnd( m_cache[ m_cachePos ] ) ) {
+            if ( !continuationFound ) {
+                // the end of the data line
+                break;
+            } else {
+                // skip line end
+                while ( m_cache[m_cachePos] != '\n') {
+                    ++m_cachePos;
+                }
+                ++m_cachePos;
+                continuationFound = false;
+            }
+        }
+
+        buffer[ i ] = m_cache[ m_cachePos ];
+        ++m_cachePos;
+        ++i;
+        if (m_cachePos >= size()) {
+            break;
+        }
+        if ( m_cachePos >= m_cacheSize ) {
+            if ( !readNextBlock() ) {
+                return false;
+            }
+        }
+    }
+    
+    buffer[ i ] = '\n';
+    ++m_cachePos;
+
+    return true;
+}
+
+static inline
+bool isEndOfCache( size_t pos, size_t cacheSize ) {
+    return ( pos == cacheSize );
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::getNextLine(std::vector<T> &buffer) {
+    buffer.resize(m_cacheSize);
+    if ( isEndOfCache( m_cachePos, m_cacheSize ) || 0 == m_filePos) {
+       if (!readNextBlock()) {
+          return false;
+       }
+      }
+
+    if (IsLineEnd(m_cache[m_cachePos])) {
+        // skip line end
+        while (m_cache[m_cachePos] != '\n') {
+            ++m_cachePos;
+        }
+        ++m_cachePos;
+        if ( isEndOfCache( m_cachePos, m_cacheSize ) ) {
+            if ( !readNextBlock() ) {
+                return false;
+            }
+        }
+    }
+
+    size_t i( 0 );
+    while (!IsLineEnd(m_cache[ m_cachePos ])) {
+        buffer[i] = m_cache[ m_cachePos ];
+        ++m_cachePos;
+        ++i;
+        if (m_cachePos >= m_cacheSize) {
+            if (!readNextBlock()) {
+                return false;
+            }
+        }
+    }
+    buffer[i] = '\n';
+    ++m_cachePos;
+
+    return true;
+}
+
+template<class T>
+inline
+bool IOStreamBuffer<T>::getNextBlock( std::vector<T> &buffer) {
+    // Return the last block-value if getNextLine was used before
+    if ( 0 != m_cachePos ) {      
+        buffer = std::vector<T>( m_cache.begin() + m_cachePos, m_cache.end() );
+        m_cachePos = 0;
+    } else {
+        if ( !readNextBlock() ) {
+            return false;
+        }
+
+        buffer = std::vector<T>(m_cache.begin(), m_cache.end());
+    }
+
+    return true;
+}
+
+} // !ns Assimp
diff --git a/thirdparty/assimp/include/assimp/IOSystem.hpp b/thirdparty/assimp/include/assimp/IOSystem.hpp
new file mode 100644
index 0000000000..78139c2839
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/IOSystem.hpp
@@ -0,0 +1,357 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file IOSystem.hpp
+ *  @brief File system wrapper for C++. Inherit this class to supply
+ *  custom file handling logic to the Import library.
+*/
+
+#pragma once
+#ifndef AI_IOSYSTEM_H_INC
+#define AI_IOSYSTEM_H_INC
+
+#ifndef __cplusplus
+#   error This header requires C++ to be used. aiFileIO.h is the \
+    corresponding C interface.
+#endif
+
+#include "types.h"
+
+#ifdef _WIN32
+#   include <direct.h>  
+#   include <stdlib.h>  
+#   include <stdio.h>  
+#else
+#   include <sys/stat.h>
+#   include <sys/types.h>
+#   include <unistd.h>
+#endif // _WIN32
+
+#include <vector>
+
+namespace Assimp    {
+
+    class IOStream;
+
+// ---------------------------------------------------------------------------
+/** @brief CPP-API: Interface to the file system.
+ *
+ *  Derive an own implementation from this interface to supply custom file handling
+ *  to the importer library. If you implement this interface, you also want to
+ *  supply a custom implementation for IOStream.
+ *
+ *  @see Importer::SetIOHandler() 
+ */
+class ASSIMP_API IOSystem
+#ifndef SWIG
+    : public Intern::AllocateFromAssimpHeap
+#endif
+{
+public:
+
+    // -------------------------------------------------------------------
+    /** @brief Default constructor.
+     *
+     *  Create an instance of your derived class and assign it to an
+     *  #Assimp::Importer instance by calling Importer::SetIOHandler().
+     */
+    IOSystem() AI_NO_EXCEPT;
+
+    // -------------------------------------------------------------------
+    /** @brief Virtual destructor.
+     *
+     *  It is safe to be called from within DLL Assimp, we're constructed
+     *  on Assimp's heap.
+     */
+    virtual ~IOSystem();
+
+    // -------------------------------------------------------------------
+    /** @brief For backward compatibility
+     *  @see Exists(const char*)
+     */
+    AI_FORCE_INLINE bool Exists( const std::string& pFile) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Tests for the existence of a file at the given path.
+     *
+     * @param pFile Path to the file
+     * @return true if there is a file with this path, else false.
+     */
+    virtual bool Exists( const char* pFile) const = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Returns the system specific directory separator
+     *  @return System specific directory separator
+     */
+    virtual char getOsSeparator() const = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Open a new file with a given path.
+     *
+     *  When the access to the file is finished, call Close() to release
+     *  all associated resources (or the virtual dtor of the IOStream).
+     *
+     *  @param pFile Path to the file
+     *  @param pMode Desired file I/O mode. Required are: "wb", "w", "wt",
+     *         "rb", "r", "rt".
+     *
+     *  @return New IOStream interface allowing the lib to access
+     *         the underlying file.
+     *  @note When implementing this class to provide custom IO handling,
+     *  you probably have to supply an own implementation of IOStream as well.
+     */
+    virtual IOStream* Open(const char* pFile,
+        const char* pMode = "rb") = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief For backward compatibility
+     *  @see Open(const char*, const char*)
+     */
+    inline IOStream* Open(const std::string& pFile,
+        const std::string& pMode = std::string("rb"));
+
+    // -------------------------------------------------------------------
+    /** @brief Closes the given file and releases all resources
+     *    associated with it.
+     *  @param pFile The file instance previously created by Open().
+     */
+    virtual void Close( IOStream* pFile) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Compares two paths and check whether the point to
+     *         identical files.
+     *
+     * The dummy implementation of this virtual member performs a
+     * case-insensitive comparison of the given strings. The default IO
+     * system implementation uses OS mechanisms to convert relative into
+     * absolute paths, so the result can be trusted.
+     * @param one First file
+     * @param second Second file
+     * @return true if the paths point to the same file. The file needn't
+     *   be existing, however.
+     */
+    virtual bool ComparePaths (const char* one,
+        const char* second) const;
+
+    // -------------------------------------------------------------------
+    /** @brief For backward compatibility
+     *  @see ComparePaths(const char*, const char*)
+     */
+    inline bool ComparePaths (const std::string& one,
+        const std::string& second) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Pushes a new directory onto the directory stack.
+     *  @param path Path to push onto the stack.
+     *  @return True, when push was successful, false if path is empty.
+     */
+    virtual bool PushDirectory( const std::string &path );
+
+    // -------------------------------------------------------------------
+    /** @brief Returns the top directory from the stack.
+     *  @return The directory on the top of the stack.
+     *          Returns empty when no directory was pushed to the stack.
+     */
+    virtual const std::string &CurrentDirectory() const;
+
+    // -------------------------------------------------------------------
+    /** @brief Returns the number of directories stored on the stack.
+     *  @return The number of directories of the stack.
+     */
+    virtual size_t StackSize() const;
+
+    // -------------------------------------------------------------------
+    /** @brief Pops the top directory from the stack.
+     *  @return True, when a directory was on the stack. False if no
+     *          directory was on the stack.
+     */
+    virtual bool PopDirectory();
+
+    // -------------------------------------------------------------------
+    /** @brief CReates an new directory at the given path.
+     *  @param  path    [in] The path to create.
+     *  @return True, when a directory was created. False if the directory
+     *           cannot be created.
+     */
+    virtual bool CreateDirectory( const std::string &path );
+
+    // -------------------------------------------------------------------
+    /** @brief Will change the current directory to the given path.
+     *  @param path     [in] The path to change to.
+     *  @return True, when the directory has changed successfully.
+     */
+    virtual bool ChangeDirectory( const std::string &path );
+
+    virtual bool DeleteFile( const std::string &file );
+
+private:
+    std::vector<std::string> m_pathStack;
+};
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+IOSystem::IOSystem() AI_NO_EXCEPT
+: m_pathStack() {
+    // empty
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+IOSystem::~IOSystem() {
+    // empty
+}
+
+// ----------------------------------------------------------------------------
+// For compatibility, the interface of some functions taking a std::string was
+// changed to const char* to avoid crashes between binary incompatible STL
+// versions. This code her is inlined,  so it shouldn't cause any problems.
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+IOStream* IOSystem::Open(const std::string& pFile, const std::string& pMode) {
+    // NOTE:
+    // For compatibility, interface was changed to const char* to
+    // avoid crashes between binary incompatible STL versions
+    return Open(pFile.c_str(),pMode.c_str());
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::Exists( const std::string& pFile) const {
+    // NOTE:
+    // For compatibility, interface was changed to const char* to
+    // avoid crashes between binary incompatible STL versions
+    return Exists(pFile.c_str());
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::ComparePaths (const std::string& one, const std::string& second) const {
+    // NOTE:
+    // For compatibility, interface was changed to const char* to
+    // avoid crashes between binary incompatible STL versions
+    return ComparePaths(one.c_str(),second.c_str());
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::PushDirectory( const std::string &path ) {
+    if ( path.empty() ) {
+        return false;
+    }
+
+    m_pathStack.push_back( path );
+
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+const std::string &IOSystem::CurrentDirectory() const {
+    if ( m_pathStack.empty() ) {
+        static const std::string Dummy("");
+        return Dummy;
+    }
+    return m_pathStack[ m_pathStack.size()-1 ];
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+size_t IOSystem::StackSize() const {
+    return m_pathStack.size();
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::PopDirectory() {
+    if ( m_pathStack.empty() ) {
+        return false;
+    }
+
+    m_pathStack.pop_back();
+
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::CreateDirectory( const std::string &path ) {
+    if ( path.empty() ) {
+        return false;
+    }
+
+#ifdef _WIN32
+    return 0 != ::_mkdir( path.c_str() );
+#else
+    return 0 != ::mkdir( path.c_str(), 0777 );
+#endif // _WIN32
+}
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::ChangeDirectory( const std::string &path ) {
+    if ( path.empty() ) {
+        return false;
+    }
+
+#ifdef _WIN32
+    return 0 != ::_chdir( path.c_str() );
+#else
+    return 0 != ::chdir( path.c_str() );
+#endif // _WIN32
+}
+
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE
+bool IOSystem::DeleteFile( const std::string &file ) {
+    if ( file.empty() ) {
+        return false;
+    }
+    const int retCode( ::remove( file.c_str() ) );
+    return ( 0 == retCode );
+}
+} //!ns Assimp
+
+#endif //AI_IOSYSTEM_H_INC
diff --git a/thirdparty/assimp/include/assimp/Importer.hpp b/thirdparty/assimp/include/assimp/Importer.hpp
new file mode 100644
index 0000000000..4941df4122
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Importer.hpp
@@ -0,0 +1,659 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  Importer.hpp
+ *  @brief Defines the C++-API to the Open Asset Import Library.
+ */
+#pragma once
+#ifndef AI_ASSIMP_HPP_INC
+#define AI_ASSIMP_HPP_INC
+
+#ifndef __cplusplus
+#   error This header requires C++ to be used. Use assimp.h for plain C.
+#endif // __cplusplus
+
+// Public ASSIMP data structures
+#include <assimp/types.h>
+
+namespace Assimp    {
+    // =======================================================================
+    // Public interface to Assimp
+    class Importer;
+    class IOStream;
+    class IOSystem;
+    class ProgressHandler;
+
+    // =======================================================================
+    // Plugin development
+    //
+    // Include the following headers for the declarations:
+    // BaseImporter.h
+    // BaseProcess.h
+    class BaseImporter;
+    class BaseProcess;
+    class SharedPostProcessInfo;
+    class BatchLoader;
+
+    // =======================================================================
+    // Holy stuff, only for members of the high council of the Jedi.
+    class ImporterPimpl;
+} //! namespace Assimp
+
+#define AI_PROPERTY_WAS_NOT_EXISTING 0xffffffff
+
+struct aiScene;
+
+// importerdesc.h
+struct aiImporterDesc;
+
+/** @namespace Assimp Assimp's CPP-API and all internal APIs */
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+/** CPP-API: The Importer class forms an C++ interface to the functionality of the
+*   Open Asset Import Library.
+*
+* Create an object of this class and call ReadFile() to import a file.
+* If the import succeeds, the function returns a pointer to the imported data.
+* The data remains property of the object, it is intended to be accessed
+* read-only. The imported data will be destroyed along with the Importer
+* object. If the import fails, ReadFile() returns a NULL pointer. In this
+* case you can retrieve a human-readable error description be calling
+* GetErrorString(). You can call ReadFile() multiple times with a single Importer
+* instance. Actually, constructing Importer objects involves quite many
+* allocations and may take some time, so it's better to reuse them as often as
+* possible.
+*
+* If you need the Importer to do custom file handling to access the files,
+* implement IOSystem and IOStream and supply an instance of your custom
+* IOSystem implementation by calling SetIOHandler() before calling ReadFile().
+* If you do not assign a custion IO handler, a default handler using the
+* standard C++ IO logic will be used.
+*
+* @note One Importer instance is not thread-safe. If you use multiple
+* threads for loading, each thread should maintain its own Importer instance.
+*/
+class ASSIMP_API Importer   {
+public:
+    /**
+     *  @brief The upper limit for hints.
+     */
+    static const unsigned int MaxLenHint = 200;
+
+public:
+
+    // -------------------------------------------------------------------
+    /** Constructor. Creates an empty importer object.
+     *
+     * Call ReadFile() to start the import process. The configuration
+     * property table is initially empty.
+     */
+    Importer();
+
+    // -------------------------------------------------------------------
+    /** Copy constructor.
+     *
+     * This copies the configuration properties of another Importer.
+     * If this Importer owns a scene it won't be copied.
+     * Call ReadFile() to start the import process.
+     */
+    Importer(const Importer& other)=delete;
+
+    // -------------------------------------------------------------------
+    /** Assignment operator has been deleted
+     */
+    Importer &operator=(const Importer &) = delete;
+
+    // -------------------------------------------------------------------
+    /** Destructor. The object kept ownership of the imported data,
+     * which now will be destroyed along with the object.
+     */
+    ~Importer();
+
+
+    // -------------------------------------------------------------------
+    /** Registers a new loader.
+     *
+     * @param pImp Importer to be added. The Importer instance takes
+     *   ownership of the pointer, so it will be automatically deleted
+     *   with the Importer instance.
+     * @return AI_SUCCESS if the loader has been added. The registration
+     *   fails if there is already a loader for a specific file extension.
+     */
+    aiReturn RegisterLoader(BaseImporter* pImp);
+
+    // -------------------------------------------------------------------
+    /** Unregisters a loader.
+     *
+     * @param pImp Importer to be unregistered.
+     * @return AI_SUCCESS if the loader has been removed. The function
+     *   fails if the loader is currently in use (this could happen
+     *   if the #Importer instance is used by more than one thread) or
+     *   if it has not yet been registered.
+     */
+    aiReturn UnregisterLoader(BaseImporter* pImp);
+
+    // -------------------------------------------------------------------
+    /** Registers a new post-process step.
+     *
+     * At the moment, there's a small limitation: new post processing
+     * steps are added to end of the list, or in other words, executed
+     * last, after all built-in steps.
+     * @param pImp Post-process step to be added. The Importer instance
+     *   takes ownership of the pointer, so it will be automatically
+     *   deleted with the Importer instance.
+     * @return AI_SUCCESS if the step has been added correctly.
+     */
+    aiReturn RegisterPPStep(BaseProcess* pImp);
+
+    // -------------------------------------------------------------------
+    /** Unregisters a post-process step.
+     *
+     * @param pImp Step to be unregistered.
+     * @return AI_SUCCESS if the step has been removed. The function
+     *   fails if the step is currently in use (this could happen
+     *   if the #Importer instance is used by more than one thread) or
+     *   if it has not yet been registered.
+     */
+    aiReturn UnregisterPPStep(BaseProcess* pImp);
+
+    // -------------------------------------------------------------------
+    /** Set an integer configuration property.
+     * @param szName Name of the property. All supported properties
+     *   are defined in the aiConfig.g header (all constants share the
+     *   prefix AI_CONFIG_XXX and are simple strings).
+     * @param iValue New value of the property
+     * @return true if the property was set before. The new value replaces
+     *   the previous value in this case.
+     * @note Property of different types (float, int, string ..) are kept
+     *   on different stacks, so calling SetPropertyInteger() for a
+     *   floating-point property has no effect - the loader will call
+     *   GetPropertyFloat() to read the property, but it won't be there.
+     */
+    bool SetPropertyInteger(const char* szName, int iValue);
+
+    // -------------------------------------------------------------------
+    /** Set a boolean configuration property. Boolean properties
+     *  are stored on the integer stack internally so it's possible
+     *  to set them via #SetPropertyBool and query them with
+     *  #GetPropertyBool and vice versa.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyBool(const char* szName, bool value)    {
+        return SetPropertyInteger(szName,value);
+    }
+
+    // -------------------------------------------------------------------
+    /** Set a floating-point configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyFloat(const char* szName, ai_real fValue);
+
+    // -------------------------------------------------------------------
+    /** Set a string configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyString(const char* szName, const std::string& sValue);
+
+    // -------------------------------------------------------------------
+    /** Set a matrix configuration property.
+     * @see SetPropertyInteger()
+     */
+    bool SetPropertyMatrix(const char* szName, const aiMatrix4x4& sValue);
+
+    // -------------------------------------------------------------------
+    /** Get a configuration property.
+     * @param szName Name of the property. All supported properties
+     *   are defined in the aiConfig.g header (all constants share the
+     *   prefix AI_CONFIG_XXX).
+     * @param iErrorReturn Value that is returned if the property
+     *   is not found.
+     * @return Current value of the property
+     * @note Property of different types (float, int, string ..) are kept
+     *   on different lists, so calling SetPropertyInteger() for a
+     *   floating-point property has no effect - the loader will call
+     *   GetPropertyFloat() to read the property, but it won't be there.
+     */
+    int GetPropertyInteger(const char* szName,
+        int iErrorReturn = 0xffffffff) const;
+
+    // -------------------------------------------------------------------
+    /** Get a boolean configuration property. Boolean properties
+     *  are stored on the integer stack internally so it's possible
+     *  to set them via #SetPropertyBool and query them with
+     *  #GetPropertyBool and vice versa.
+     * @see GetPropertyInteger()
+     */
+    bool GetPropertyBool(const char* szName, bool bErrorReturn = false) const {
+        return GetPropertyInteger(szName,bErrorReturn)!=0;
+    }
+
+    // -------------------------------------------------------------------
+    /** Get a floating-point configuration property
+     * @see GetPropertyInteger()
+     */
+    ai_real GetPropertyFloat(const char* szName,
+        ai_real fErrorReturn = 10e10) const;
+
+    // -------------------------------------------------------------------
+    /** Get a string configuration property
+     *
+     *  The return value remains valid until the property is modified.
+     * @see GetPropertyInteger()
+     */
+    const std::string GetPropertyString(const char* szName,
+        const std::string& sErrorReturn = "") const;
+
+    // -------------------------------------------------------------------
+    /** Get a matrix configuration property
+     *
+     *  The return value remains valid until the property is modified.
+     * @see GetPropertyInteger()
+     */
+    const aiMatrix4x4 GetPropertyMatrix(const char* szName,
+        const aiMatrix4x4& sErrorReturn = aiMatrix4x4()) const;
+
+    // -------------------------------------------------------------------
+    /** Supplies a custom IO handler to the importer to use to open and
+     * access files. If you need the importer to use custom IO logic to
+     * access the files, you need to provide a custom implementation of
+     * IOSystem and IOFile to the importer. Then create an instance of
+     * your custom IOSystem implementation and supply it by this function.
+     *
+     * The Importer takes ownership of the object and will destroy it
+     * afterwards. The previously assigned handler will be deleted.
+     * Pass NULL to take again ownership of your IOSystem and reset Assimp
+     * to use its default implementation.
+     *
+     * @param pIOHandler The IO handler to be used in all file accesses
+     *   of the Importer.
+     */
+    void SetIOHandler( IOSystem* pIOHandler);
+
+    // -------------------------------------------------------------------
+    /** Retrieves the IO handler that is currently set.
+     * You can use #IsDefaultIOHandler() to check whether the returned
+     * interface is the default IO handler provided by ASSIMP. The default
+     * handler is active as long the application doesn't supply its own
+     * custom IO handler via #SetIOHandler().
+     * @return A valid IOSystem interface, never NULL.
+     */
+    IOSystem* GetIOHandler() const;
+
+    // -------------------------------------------------------------------
+    /** Checks whether a default IO handler is active
+     * A default handler is active as long the application doesn't
+     * supply its own custom IO handler via #SetIOHandler().
+     * @return true by default
+     */
+    bool IsDefaultIOHandler() const;
+
+    // -------------------------------------------------------------------
+    /** Supplies a custom progress handler to the importer. This
+     *  interface exposes an #Update() callback, which is called
+     *  more or less periodically (please don't sue us if it
+     *  isn't as periodically as you'd like it to have ...).
+     *  This can be used to implement progress bars and loading
+     *  timeouts.
+     *  @param pHandler Progress callback interface. Pass NULL to
+     *    disable progress reporting.
+     *  @note Progress handlers can be used to abort the loading
+     *    at almost any time.*/
+    void SetProgressHandler ( ProgressHandler* pHandler );
+
+    // -------------------------------------------------------------------
+    /** Retrieves the progress handler that is currently set.
+     * You can use #IsDefaultProgressHandler() to check whether the returned
+     * interface is the default handler provided by ASSIMP. The default
+     * handler is active as long the application doesn't supply its own
+     * custom handler via #SetProgressHandler().
+     * @return A valid ProgressHandler interface, never NULL.
+     */
+    ProgressHandler* GetProgressHandler() const;
+
+    // -------------------------------------------------------------------
+    /** Checks whether a default progress handler is active
+     * A default handler is active as long the application doesn't
+     * supply its own custom progress handler via #SetProgressHandler().
+     * @return true by default
+     */
+    bool IsDefaultProgressHandler() const;
+
+    // -------------------------------------------------------------------
+    /** @brief Check whether a given set of post-processing flags
+     *  is supported.
+     *
+     *  Some flags are mutually exclusive, others are probably
+     *  not available because your excluded them from your
+     *  Assimp builds. Calling this function is recommended if
+     *  you're unsure.
+     *
+     *  @param pFlags Bitwise combination of the aiPostProcess flags.
+     *  @return true if this flag combination is fine.
+     */
+    bool ValidateFlags(unsigned int pFlags) const;
+
+    // -------------------------------------------------------------------
+    /** Reads the given file and returns its contents if successful.
+     *
+     * If the call succeeds, the contents of the file are returned as a
+     * pointer to an aiScene object. The returned data is intended to be
+     * read-only, the importer object keeps ownership of the data and will
+     * destroy it upon destruction. If the import fails, NULL is returned.
+     * A human-readable error description can be retrieved by calling
+     * GetErrorString(). The previous scene will be deleted during this call.
+     * @param pFile Path and filename to the file to be imported.
+     * @param pFlags Optional post processing steps to be executed after
+     *   a successful import. Provide a bitwise combination of the
+     *   #aiPostProcessSteps flags. If you wish to inspect the imported
+     *   scene first in order to fine-tune your post-processing setup,
+     *   consider to use #ApplyPostProcessing().
+     * @return A pointer to the imported data, NULL if the import failed.
+     *   The pointer to the scene remains in possession of the Importer
+     *   instance. Use GetOrphanedScene() to take ownership of it.
+     *
+     * @note Assimp is able to determine the file format of a file
+     * automatically.
+     */
+    const aiScene* ReadFile(
+        const char* pFile,
+        unsigned int pFlags);
+
+    // -------------------------------------------------------------------
+    /** Reads the given file from a memory buffer and returns its
+     *  contents if successful.
+     *
+     * If the call succeeds, the contents of the file are returned as a
+     * pointer to an aiScene object. The returned data is intended to be
+     * read-only, the importer object keeps ownership of the data and will
+     * destroy it upon destruction. If the import fails, NULL is returned.
+     * A human-readable error description can be retrieved by calling
+     * GetErrorString(). The previous scene will be deleted during this call.
+     * Calling this method doesn't affect the active IOSystem.
+     * @param pBuffer Pointer to the file data
+     * @param pLength Length of pBuffer, in bytes
+     * @param pFlags Optional post processing steps to be executed after
+     *   a successful import. Provide a bitwise combination of the
+     *   #aiPostProcessSteps flags. If you wish to inspect the imported
+     *   scene first in order to fine-tune your post-processing setup,
+     *   consider to use #ApplyPostProcessing().
+     * @param pHint An additional hint to the library. If this is a non
+     *   empty string, the library looks for a loader to support
+     *   the file extension specified by pHint and passes the file to
+     *   the first matching loader. If this loader is unable to completely
+     *   the request, the library continues and tries to determine the
+     *   file format on its own, a task that may or may not be successful.
+     *   Check the return value, and you'll know ...
+     * @return A pointer to the imported data, NULL if the import failed.
+     *   The pointer to the scene remains in possession of the Importer
+     *   instance. Use GetOrphanedScene() to take ownership of it.
+     *
+     * @note This is a straightforward way to decode models from memory
+     * buffers, but it doesn't handle model formats that spread their
+     * data across multiple files or even directories. Examples include
+     * OBJ or MD3, which outsource parts of their material info into
+     * external scripts. If you need full functionality, provide
+     * a custom IOSystem to make Assimp find these files and use
+     * the regular ReadFile() API.
+     */
+    const aiScene* ReadFileFromMemory(
+        const void* pBuffer,
+        size_t pLength,
+        unsigned int pFlags,
+        const char* pHint = "");
+
+    // -------------------------------------------------------------------
+    /** Apply post-processing to an already-imported scene.
+     *
+     *  This is strictly equivalent to calling #ReadFile() with the same
+     *  flags. However, you can use this separate function to inspect
+     *  the imported scene first to fine-tune your post-processing setup.
+     *  @param pFlags Provide a bitwise combination of the
+     *   #aiPostProcessSteps flags.
+     *  @return A pointer to the post-processed data. This is still the
+     *   same as the pointer returned by #ReadFile(). However, if
+     *   post-processing fails, the scene could now be NULL.
+     *   That's quite a rare case, post processing steps are not really
+     *   designed to 'fail'. To be exact, the #aiProcess_ValidateDS
+     *   flag is currently the only post processing step which can actually
+     *   cause the scene to be reset to NULL.
+     *
+     *  @note The method does nothing if no scene is currently bound
+     *    to the #Importer instance.  */
+    const aiScene* ApplyPostProcessing(unsigned int pFlags);
+
+    const aiScene* ApplyCustomizedPostProcessing( BaseProcess *rootProcess, bool requestValidation );
+
+    // -------------------------------------------------------------------
+    /** @brief Reads the given file and returns its contents if successful.
+     *
+     * This function is provided for backward compatibility.
+     * See the const char* version for detailed docs.
+     * @see ReadFile(const char*, pFlags)  */
+    const aiScene* ReadFile(
+        const std::string& pFile,
+        unsigned int pFlags);
+
+    // -------------------------------------------------------------------
+    /** Frees the current scene.
+     *
+     *  The function does nothing if no scene has previously been
+     *  read via ReadFile(). FreeScene() is called automatically by the
+     *  destructor and ReadFile() itself.  */
+    void FreeScene( );
+
+    // -------------------------------------------------------------------
+    /** Returns an error description of an error that occurred in ReadFile().
+     *
+     * Returns an empty string if no error occurred.
+     * @return A description of the last error, an empty string if no
+     *   error occurred. The string is never NULL.
+     *
+     * @note The returned function remains valid until one of the
+     * following methods is called: #ReadFile(), #FreeScene(). */
+    const char* GetErrorString() const;
+
+    // -------------------------------------------------------------------
+    /** Returns the scene loaded by the last successful call to ReadFile()
+     *
+     * @return Current scene or NULL if there is currently no scene loaded */
+    const aiScene* GetScene() const;
+
+    // -------------------------------------------------------------------
+    /** Returns the scene loaded by the last successful call to ReadFile()
+     *  and releases the scene from the ownership of the Importer
+     *  instance. The application is now responsible for deleting the
+     *  scene. Any further calls to GetScene() or GetOrphanedScene()
+     *  will return NULL - until a new scene has been loaded via ReadFile().
+     *
+     * @return Current scene or NULL if there is currently no scene loaded
+     * @note Use this method with maximal caution, and only if you have to.
+     *   By design, aiScene's are exclusively maintained, allocated and
+     *   deallocated by Assimp and no one else. The reasoning behind this
+     *   is the golden rule that deallocations should always be done
+     *   by the module that did the original allocation because heaps
+     *   are not necessarily shared. GetOrphanedScene() enforces you
+     *   to delete the returned scene by yourself, but this will only
+     *   be fine if and only if you're using the same heap as assimp.
+     *   On Windows, it's typically fine provided everything is linked
+     *   against the multithreaded-dll version of the runtime library.
+     *   It will work as well for static linkage with Assimp.*/
+    aiScene* GetOrphanedScene();
+
+    // -------------------------------------------------------------------
+    /** Returns whether a given file extension is supported by ASSIMP.
+     *
+     * @param szExtension Extension to be checked.
+     *   Must include a trailing dot '.'. Example: ".3ds", ".md3".
+     *   Cases-insensitive.
+     * @return true if the extension is supported, false otherwise */
+    bool IsExtensionSupported(const char* szExtension) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Returns whether a given file extension is supported by ASSIMP.
+     *
+     * This function is provided for backward compatibility.
+     * See the const char* version for detailed and up-to-date docs.
+     * @see IsExtensionSupported(const char*) */
+    inline bool IsExtensionSupported(const std::string& szExtension) const;
+
+    // -------------------------------------------------------------------
+    /** Get a full list of all file extensions supported by ASSIMP.
+     *
+     * If a file extension is contained in the list this does of course not
+     * mean that ASSIMP is able to load all files with this extension ---
+     * it simply means there is an importer loaded which claims to handle
+     * files with this file extension.
+     * @param szOut String to receive the extension list.
+     *   Format of the list: "*.3ds;*.obj;*.dae". This is useful for
+     *   use with the WinAPI call GetOpenFileName(Ex). */
+    void GetExtensionList(aiString& szOut) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Get a full list of all file extensions supported by ASSIMP.
+     *
+     * This function is provided for backward compatibility.
+     * See the aiString version for detailed and up-to-date docs.
+     * @see GetExtensionList(aiString&)*/
+    inline void GetExtensionList(std::string& szOut) const;
+
+    // -------------------------------------------------------------------
+    /** Get the number of importers currently registered with Assimp. */
+    size_t GetImporterCount() const;
+
+    // -------------------------------------------------------------------
+    /** Get meta data for the importer corresponding to a specific index..
+    *
+    *  For the declaration of #aiImporterDesc, include <assimp/importerdesc.h>.
+    *  @param index Index to query, must be within [0,GetImporterCount())
+    *  @return Importer meta data structure, NULL if the index does not
+    *     exist or if the importer doesn't offer meta information (
+    *     importers may do this at the cost of being hated by their peers).*/
+    const aiImporterDesc* GetImporterInfo(size_t index) const;
+
+    // -------------------------------------------------------------------
+    /** Find the importer corresponding to a specific index.
+    *
+    *  @param index Index to query, must be within [0,GetImporterCount())
+    *  @return Importer instance. NULL if the index does not
+    *     exist. */
+    BaseImporter* GetImporter(size_t index) const;
+
+    // -------------------------------------------------------------------
+    /** Find the importer corresponding to a specific file extension.
+    *
+    *  This is quite similar to #IsExtensionSupported except a
+    *  BaseImporter instance is returned.
+    *  @param szExtension Extension to check for. The following formats
+    *    are recognized (BAH being the file extension): "BAH" (comparison
+    *    is case-insensitive), ".bah", "*.bah" (wild card and dot
+    *    characters at the beginning of the extension are skipped).
+    *  @return NULL if no importer is found*/
+    BaseImporter* GetImporter (const char* szExtension) const;
+
+    // -------------------------------------------------------------------
+    /** Find the importer index corresponding to a specific file extension.
+    *
+    *  @param szExtension Extension to check for. The following formats
+    *    are recognized (BAH being the file extension): "BAH" (comparison
+    *    is case-insensitive), ".bah", "*.bah" (wild card and dot
+    *    characters at the beginning of the extension are skipped).
+    *  @return (size_t)-1 if no importer is found */
+    size_t GetImporterIndex (const char* szExtension) const;
+
+    // -------------------------------------------------------------------
+    /** Returns the storage allocated by ASSIMP to hold the scene data
+     * in memory.
+     *
+     * This refers to the currently loaded file, see #ReadFile().
+     * @param in Data structure to be filled.
+     * @note The returned memory statistics refer to the actual
+     *   size of the use data of the aiScene. Heap-related overhead
+     *   is (naturally) not included.*/
+    void GetMemoryRequirements(aiMemoryInfo& in) const;
+
+    // -------------------------------------------------------------------
+    /** Enables "extra verbose" mode.
+     *
+     * 'Extra verbose' means the data structure is validated after *every*
+     * single post processing step to make sure everyone modifies the data
+     * structure in a well-defined manner. This is a debug feature and not
+     * intended for use in production environments. */
+    void SetExtraVerbose(bool bDo);
+
+    // -------------------------------------------------------------------
+    /** Private, do not use. */
+    ImporterPimpl* Pimpl() { return pimpl; }
+    const ImporterPimpl* Pimpl() const { return pimpl; }
+
+protected:
+
+    // Just because we don't want you to know how we're hacking around.
+    ImporterPimpl* pimpl;
+}; //! class Importer
+
+
+// ----------------------------------------------------------------------------
+// For compatibility, the interface of some functions taking a std::string was
+// changed to const char* to avoid crashes between binary incompatible STL
+// versions. This code her is inlined,  so it shouldn't cause any problems.
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE const aiScene* Importer::ReadFile( const std::string& pFile,unsigned int pFlags){
+    return ReadFile(pFile.c_str(),pFlags);
+}
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE void Importer::GetExtensionList(std::string& szOut) const   {
+    aiString s;
+    GetExtensionList(s);
+    szOut = s.data;
+}
+// ----------------------------------------------------------------------------
+AI_FORCE_INLINE bool Importer::IsExtensionSupported(const std::string& szExtension) const   {
+    return IsExtensionSupported(szExtension.c_str());
+}
+
+} // !namespace Assimp
+
+#endif // AI_ASSIMP_HPP_INC
diff --git a/thirdparty/assimp/include/assimp/LineSplitter.h b/thirdparty/assimp/include/assimp/LineSplitter.h
new file mode 100644
index 0000000000..4afe45b92a
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/LineSplitter.h
@@ -0,0 +1,285 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  LineSplitter.h
+ *  @brief LineSplitter, a helper class to iterate through all lines
+ *    of a file easily. Works with StreamReader.
+ */
+#pragma once
+#ifndef INCLUDED_LINE_SPLITTER_H
+#define INCLUDED_LINE_SPLITTER_H
+
+#include <stdexcept>
+#include "StreamReader.h"
+#include "ParsingUtils.h"
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+/** Usage:
+@code
+for(LineSplitter splitter(stream);splitter;++splitter) {
+
+    if (*splitter == "hi!") {
+       ...
+    }
+    else if (splitter->substr(0,5) == "hello") {
+       ...
+       // access the third token in the line (tokens are space-separated)
+       if (strtol(splitter[2]) > 5) { .. }
+    }
+
+    std::cout << "Current line is: " << splitter.get_index() << std::endl;
+}
+@endcode
+*/
+// ------------------------------------------------------------------------------------------------
+class LineSplitter {
+public:
+    typedef size_t line_idx;
+
+    // -----------------------------------------
+    /** construct from existing stream reader
+    note: trim is *always* assumed true if skyp_empty_lines==true
+    */
+    LineSplitter(StreamReaderLE& stream, bool skip_empty_lines = true, bool trim = true);
+
+    ~LineSplitter();
+
+    // -----------------------------------------
+    /** pseudo-iterator increment */
+    LineSplitter& operator++();
+
+    // -----------------------------------------
+    LineSplitter& operator++(int);
+
+    // -----------------------------------------
+    /** get a pointer to the beginning of a particular token */
+    const char* operator[] (size_t idx) const;
+
+    // -----------------------------------------
+    /** extract the start positions of N tokens from the current line*/
+    template <size_t N>
+    void get_tokens(const char* (&tokens)[N]) const;
+
+    // -----------------------------------------
+    /** member access */
+    const std::string* operator -> () const;
+
+    std::string operator* () const;
+
+    // -----------------------------------------
+    /** boolean context */
+    operator bool() const;
+
+    // -----------------------------------------
+    /** line indices are zero-based, empty lines are included */
+    operator line_idx() const;
+
+    line_idx get_index() const;
+
+    // -----------------------------------------
+    /** access the underlying stream object */
+    StreamReaderLE& get_stream();
+
+    // -----------------------------------------
+    /** !strcmp((*this)->substr(0,strlen(check)),check) */
+    bool match_start(const char* check);
+
+    // -----------------------------------------
+    /** swallow the next call to ++, return the previous value. */
+    void swallow_next_increment();
+
+    LineSplitter( const LineSplitter & ) = delete;
+    LineSplitter(LineSplitter &&) = delete;
+    LineSplitter &operator = ( const LineSplitter & ) = delete;
+
+private:
+    line_idx mIdx;
+    std::string mCur;
+    StreamReaderLE& mStream;
+    bool mSwallow, mSkip_empty_lines, mTrim;
+};
+
+inline
+LineSplitter::LineSplitter(StreamReaderLE& stream, bool skip_empty_lines, bool trim )
+: mIdx(0)
+, mCur()
+, mStream(stream)
+, mSwallow()
+, mSkip_empty_lines(skip_empty_lines)
+, mTrim(trim) {
+    mCur.reserve(1024);
+    operator++();
+    mIdx = 0;
+}
+
+inline
+LineSplitter::~LineSplitter() {
+    // empty
+}
+
+inline
+LineSplitter& LineSplitter::operator++() {
+    if (mSwallow) {
+        mSwallow = false;
+        return *this;
+    }
+
+    if (!*this) {
+        throw std::logic_error("End of file, no more lines to be retrieved.");
+    }
+
+    char s;
+    mCur.clear();
+    while (mStream.GetRemainingSize() && (s = mStream.GetI1(), 1)) {
+        if (s == '\n' || s == '\r') {
+            if (mSkip_empty_lines) {
+                while (mStream.GetRemainingSize() && ((s = mStream.GetI1()) == ' ' || s == '\r' || s == '\n'));
+                if (mStream.GetRemainingSize()) {
+                    mStream.IncPtr(-1);
+                }
+            } else {
+                // skip both potential line terminators but don't read past this line.
+                if (mStream.GetRemainingSize() && (s == '\r' && mStream.GetI1() != '\n')) {
+                    mStream.IncPtr(-1);
+                }
+                if (mTrim) {
+                    while (mStream.GetRemainingSize() && ((s = mStream.GetI1()) == ' ' || s == '\t'));
+                    if (mStream.GetRemainingSize()) {
+                        mStream.IncPtr(-1);
+                    }
+                }
+            }
+            break;
+        }
+        mCur += s;
+    }
+    ++mIdx;
+
+    return *this;
+}
+
+inline
+LineSplitter &LineSplitter::operator++(int) {
+    return ++(*this);
+}
+
+inline
+const char *LineSplitter::operator[] (size_t idx) const {
+    const char* s = operator->()->c_str();
+
+    SkipSpaces(&s);
+    for (size_t i = 0; i < idx; ++i) {
+
+        for (; !IsSpace(*s); ++s) {
+            if (IsLineEnd(*s)) {
+                throw std::range_error("Token index out of range, EOL reached");
+            }
+        }
+        SkipSpaces(&s);
+    }
+    return s;
+}
+
+template <size_t N>
+inline
+void LineSplitter::get_tokens(const char* (&tokens)[N]) const {
+    const char* s = operator->()->c_str();
+
+    SkipSpaces(&s);
+    for (size_t i = 0; i < N; ++i) {
+        if (IsLineEnd(*s)) {
+            throw std::range_error("Token count out of range, EOL reached");
+        }
+        tokens[i] = s;
+
+        for (; *s && !IsSpace(*s); ++s);
+        SkipSpaces(&s);
+    }
+}
+
+inline
+const std::string* LineSplitter::operator -> () const {
+    return &mCur;
+}
+
+inline
+std::string LineSplitter::operator* () const {
+    return mCur;
+}
+
+inline
+LineSplitter::operator bool() const {
+    return mStream.GetRemainingSize() > 0;
+}
+
+inline
+LineSplitter::operator line_idx() const {
+    return mIdx;
+}
+
+inline
+LineSplitter::line_idx LineSplitter::get_index() const {
+    return mIdx;
+}
+
+inline
+StreamReaderLE &LineSplitter::get_stream() {
+    return mStream;
+}
+
+inline
+bool LineSplitter::match_start(const char* check) {
+    const size_t len = ::strlen(check);
+
+    return len <= mCur.length() && std::equal(check, check + len, mCur.begin());
+}
+
+inline
+void LineSplitter::swallow_next_increment() {
+    mSwallow = true;
+}
+
+} // Namespace Assimp
+
+#endif // INCLUDED_LINE_SPLITTER_H
diff --git a/thirdparty/assimp/include/assimp/LogAux.h b/thirdparty/assimp/include/assimp/LogAux.h
new file mode 100644
index 0000000000..558485272e
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/LogAux.h
@@ -0,0 +1,131 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  LogAux.h
+ *  @brief Common logging usage patterns for importer implementations
+ */
+#ifndef INCLUDED_AI_LOGAUX_H
+#define INCLUDED_AI_LOGAUX_H
+
+#include <assimp/TinyFormatter.h>
+#include <assimp/Exceptional.h>
+#include <assimp/DefaultLogger.hpp>
+
+namespace Assimp {
+
+template<class TDeriving>
+class LogFunctions {
+public:
+    // ------------------------------------------------------------------------------------------------
+    static void ThrowException(const std::string& msg)
+    {
+        throw DeadlyImportError(Prefix()+msg);
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogWarn(const Formatter::format& message)   {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_WARN(Prefix()+(std::string)message);
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogError(const Formatter::format& message)  {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_ERROR(Prefix()+(std::string)message);
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogInfo(const Formatter::format& message)   {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_INFO(Prefix()+(std::string)message);
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogDebug(const Formatter::format& message)  {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_DEBUG(Prefix()+(std::string)message);
+        }
+    }
+
+    // https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3358562&group_id=226462
+#if !defined(__GNUC__) || !defined(__APPLE__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogWarn  (const char* message) {
+        if (!DefaultLogger::isNullLogger()) {
+            LogWarn(Formatter::format(message));
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogError  (const char* message) {
+        if (!DefaultLogger::isNullLogger()) {
+            LogError(Formatter::format(message));
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogInfo  (const char* message) {
+        if (!DefaultLogger::isNullLogger()) {
+            LogInfo(Formatter::format(message));
+        }
+    }
+
+    // ------------------------------------------------------------------------------------------------
+    static void LogDebug  (const char* message) {
+        if (!DefaultLogger::isNullLogger()) {
+            LogDebug(Formatter::format(message));
+        }
+    }
+
+#endif
+
+private:
+    static const char* Prefix();
+
+};
+} // ! Assimp
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/LogStream.hpp b/thirdparty/assimp/include/assimp/LogStream.hpp
new file mode 100644
index 0000000000..d0281e2d02
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/LogStream.hpp
@@ -0,0 +1,111 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file LogStream.hpp
+ *  @brief Abstract base class 'LogStream', representing an output log stream.
+ */
+#ifndef INCLUDED_AI_LOGSTREAM_H
+#define INCLUDED_AI_LOGSTREAM_H
+
+#include "types.h"
+
+namespace Assimp    {
+
+class IOSystem;
+
+// ------------------------------------------------------------------------------------
+/** @brief CPP-API: Abstract interface for log stream implementations.
+ *
+ *  Several default implementations are provided, see #aiDefaultLogStream for more
+ *  details. Writing your own implementation of LogStream is just necessary if these
+ *  are not enough for your purpose. */
+class ASSIMP_API LogStream
+#ifndef SWIG
+    : public Intern::AllocateFromAssimpHeap
+#endif
+{
+protected:
+    /** @brief  Default constructor */
+    LogStream() AI_NO_EXCEPT;
+
+public:
+    /** @brief  Virtual destructor  */
+    virtual ~LogStream();
+
+    // -------------------------------------------------------------------
+    /** @brief  Overwrite this for your own output methods
+     *
+     *  Log messages *may* consist of multiple lines and you shouldn't
+     *  expect a consistent formatting. If you want custom formatting
+     *  (e.g. generate HTML), supply a custom instance of Logger to
+     *  #DefaultLogger:set(). Usually you can *expect* that a log message
+     *  is exactly one line and terminated with a single \n character.
+     *  @param message Message to be written */
+    virtual void write(const char* message) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Creates a default log stream
+     *  @param streams Type of the default stream
+     *  @param name For aiDefaultLogStream_FILE: name of the output file
+     *  @param io For aiDefaultLogStream_FILE: IOSystem to be used to open the output
+     *   file. Pass NULL for the default implementation.
+     *  @return New LogStream instance.  */
+    static LogStream* createDefaultStream(aiDefaultLogStream stream,
+        const char* name = "AssimpLog.txt",
+        IOSystem* io = nullptr );
+
+}; // !class LogStream
+
+inline
+LogStream::LogStream() AI_NO_EXCEPT {
+    // empty
+}
+
+inline
+LogStream::~LogStream() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------
+} // Namespace Assimp
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/Logger.hpp b/thirdparty/assimp/include/assimp/Logger.hpp
new file mode 100644
index 0000000000..89cade6c33
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Logger.hpp
@@ -0,0 +1,305 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Logger.hpp
+ *  @brief Abstract base class 'Logger', base of the logging system.
+ */
+#ifndef INCLUDED_AI_LOGGER_H
+#define INCLUDED_AI_LOGGER_H
+
+#include <assimp/types.h>
+#include <assimp/TinyFormatter.h>
+
+namespace Assimp {
+
+class LogStream;
+
+// Maximum length of a log message. Longer messages are rejected.
+#define MAX_LOG_MESSAGE_LENGTH 1024u
+
+// ----------------------------------------------------------------------------------
+/** @brief CPP-API: Abstract interface for logger implementations.
+ *  Assimp provides a default implementation and uses it for almost all
+ *  logging stuff ('DefaultLogger'). This class defines just basic logging
+ *  behavior and is not of interest for you. Instead, take a look at #DefaultLogger. */
+class ASSIMP_API Logger
+#ifndef SWIG
+    : public Intern::AllocateFromAssimpHeap
+#endif
+{
+public:
+
+    // ----------------------------------------------------------------------
+    /** @enum   LogSeverity
+     *  @brief  Log severity to describe the granularity of logging.
+     */
+    enum LogSeverity {
+        NORMAL,     //!< Normal granularity of logging
+        VERBOSE     //!< Debug infos will be logged, too
+    };
+
+    // ----------------------------------------------------------------------
+    /** @enum   ErrorSeverity
+     *  @brief  Description for severity of a log message.
+     *
+     *  Every LogStream has a bitwise combination of these flags.
+     *  A LogStream doesn't receive any messages of a specific type
+     *  if it doesn't specify the corresponding ErrorSeverity flag.
+     */
+    enum ErrorSeverity {
+        Debugging   = 1,    //!< Debug log message
+        Info        = 2,    //!< Info log message
+        Warn        = 4,    //!< Warn log message
+        Err         = 8     //!< Error log message
+    };
+
+public:
+
+    /** @brief  Virtual destructor */
+    virtual ~Logger();
+
+    // ----------------------------------------------------------------------
+    /** @brief  Writes a debug message
+     *   @param message Debug message*/
+    void debug(const char* message);
+    void debug(const std::string &message);
+
+    // ----------------------------------------------------------------------
+    /** @brief  Writes a info message
+     *  @param  message Info message*/
+    void info(const char* message);
+    void info(const std::string &message);
+
+    // ----------------------------------------------------------------------
+    /** @brief  Writes a warning message
+     *  @param  message Warn message*/
+    void warn(const char* message);
+    void warn(const std::string &message);
+
+    // ----------------------------------------------------------------------
+    /** @brief  Writes an error message
+     *  @param  message Error message*/
+    void error(const char* message);
+    void error(const std::string &message);
+
+    // ----------------------------------------------------------------------
+    /** @brief  Set a new log severity.
+     *  @param  log_severity New severity for logging*/
+    void setLogSeverity(LogSeverity log_severity);
+
+    // ----------------------------------------------------------------------
+    /** @brief Get the current log severity*/
+    LogSeverity getLogSeverity() const;
+
+    // ----------------------------------------------------------------------
+    /** @brief  Attach a new log-stream
+     *
+     *  The logger takes ownership of the stream and is responsible
+     *  for its destruction (which is done using ::delete when the logger
+     *  itself is destroyed). Call detachStream to detach a stream and to
+     *  gain ownership of it again.
+     *   @param pStream  Log-stream to attach
+     *  @param severity  Message filter, specified which types of log
+     *    messages are dispatched to the stream. Provide a bitwise
+     *    combination of the ErrorSeverity flags.
+     *  @return true if the stream has been attached, false otherwise.*/
+    virtual bool attachStream(LogStream *pStream,
+        unsigned int severity = Debugging | Err | Warn | Info) = 0;
+
+    // ----------------------------------------------------------------------
+    /** @brief  Detach a still attached stream from the logger (or
+     *          modify the filter flags bits)
+     *   @param pStream Log-stream instance for detaching
+     *  @param severity Provide a bitwise combination of the ErrorSeverity
+     *    flags. This value is &~ed with the current flags of the stream,
+     *    if the result is 0 the stream is detached from the Logger and
+     *    the caller retakes the possession of the stream.
+     *  @return true if the stream has been detached, false otherwise.*/
+    virtual bool detatchStream(LogStream *pStream,
+        unsigned int severity = Debugging | Err | Warn | Info) = 0;
+
+protected:
+    /**
+     *  Default constructor
+     */
+    Logger() AI_NO_EXCEPT;
+
+    /**
+     *  Construction with a given log severity
+     */
+    explicit Logger(LogSeverity severity);
+
+    // ----------------------------------------------------------------------
+    /**
+     *  @brief Called as a request to write a specific debug message
+     *  @param  message Debug message. Never longer than
+     *    MAX_LOG_MESSAGE_LENGTH characters (excluding the '0').
+     *  @note  The message string is only valid until the scope of
+     *    the function is left.
+     */
+    virtual void OnDebug(const char* message)= 0;
+
+    // ----------------------------------------------------------------------
+    /**
+     *  @brief Called as a request to write a specific info message
+     *  @param  message Info message. Never longer than
+     *    MAX_LOG_MESSAGE_LENGTH characters (ecxluding the '0').
+     *  @note  The message string is only valid until the scope of
+     *    the function is left.
+     */
+    virtual void OnInfo(const char* message) = 0;
+
+    // ----------------------------------------------------------------------
+    /**
+     *  @brief Called as a request to write a specific warn message
+     *  @param  message Warn message. Never longer than
+     *    MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
+     *  @note  The message string is only valid until the scope of
+     *    the function is left.
+     */
+    virtual void OnWarn(const char* essage) = 0;
+
+    // ----------------------------------------------------------------------
+    /**
+     *  @brief Called as a request to write a specific error message
+     *  @param  message Error message. Never longer than
+     *    MAX_LOG_MESSAGE_LENGTH characters (exluding the '0').
+     *  @note  The message string is only valid until the scope of
+     *    the function is left.
+     */
+    virtual void OnError(const char* message) = 0;
+
+protected:
+    LogSeverity m_Severity;
+};
+
+// ----------------------------------------------------------------------------------
+//  Default constructor
+inline
+Logger::Logger() AI_NO_EXCEPT
+: m_Severity(NORMAL) {
+    // empty
+}
+
+// ----------------------------------------------------------------------------------
+//  Virtual destructor
+inline
+Logger::~Logger() {
+    // empty
+}
+
+// ----------------------------------------------------------------------------------
+// Construction with given logging severity
+inline
+Logger::Logger(LogSeverity severity)
+: m_Severity(severity) {
+    // empty
+}
+
+// ----------------------------------------------------------------------------------
+// Log severity setter
+inline
+void Logger::setLogSeverity(LogSeverity log_severity){
+    m_Severity = log_severity;
+}
+
+// ----------------------------------------------------------------------------------
+// Log severity getter
+inline
+Logger::LogSeverity Logger::getLogSeverity() const {
+    return m_Severity;
+}
+
+// ----------------------------------------------------------------------------------
+inline
+void Logger::debug(const std::string &message) {
+    return debug(message.c_str());
+}
+
+// ----------------------------------------------------------------------------------
+inline
+void Logger::error(const std::string &message) {
+    return error(message.c_str());
+}
+
+// ----------------------------------------------------------------------------------
+inline
+void Logger::warn(const std::string &message) {
+    return warn(message.c_str());
+}
+
+// ----------------------------------------------------------------------------------
+inline
+void Logger::info(const std::string &message) {
+    return info(message.c_str());
+}
+
+// ------------------------------------------------------------------------------------------------
+#define ASSIMP_LOG_WARN_F(string,...)\
+    DefaultLogger::get()->warn((Formatter::format(string),__VA_ARGS__))
+
+#define ASSIMP_LOG_ERROR_F(string,...)\
+    DefaultLogger::get()->error((Formatter::format(string),__VA_ARGS__))
+
+#define ASSIMP_LOG_DEBUG_F(string,...)\
+    DefaultLogger::get()->debug((Formatter::format(string),__VA_ARGS__))
+
+#define ASSIMP_LOG_INFO_F(string,...)\
+    DefaultLogger::get()->info((Formatter::format(string),__VA_ARGS__))
+
+
+#define ASSIMP_LOG_WARN(string)\
+    DefaultLogger::get()->warn(string)
+
+#define ASSIMP_LOG_ERROR(string)\
+    DefaultLogger::get()->error(string)
+
+#define ASSIMP_LOG_DEBUG(string)\
+    DefaultLogger::get()->debug(string)
+
+#define ASSIMP_LOG_INFO(string)\
+    DefaultLogger::get()->info(string)
+
+
+} // Namespace Assimp
+
+#endif // !! INCLUDED_AI_LOGGER_H
diff --git a/thirdparty/assimp/include/assimp/Macros.h b/thirdparty/assimp/include/assimp/Macros.h
new file mode 100644
index 0000000000..6515303372
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Macros.h
@@ -0,0 +1,49 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/* Helper macro to set a pointer to NULL in debug builds
+ */
+#if (defined ASSIMP_BUILD_DEBUG)
+#   define AI_DEBUG_INVALIDATE_PTR(x) x = NULL;
+#else
+#   define AI_DEBUG_INVALIDATE_PTR(x)
+#endif
+
diff --git a/thirdparty/assimp/include/assimp/MathFunctions.h b/thirdparty/assimp/include/assimp/MathFunctions.h
new file mode 100644
index 0000000000..cb3b696076
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/MathFunctions.h
@@ -0,0 +1,77 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2016, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  MathFunctions.h
+ *  @brief Implementation of the math functions (gcd and lcm)
+ *
+ *  Copied from BoostWorkaround/math
+ */
+
+namespace Assimp {
+namespace Math {
+
+// TODO: use binary GCD for unsigned integers ....
+template < typename IntegerType >
+IntegerType  gcd( IntegerType a, IntegerType b )
+{
+	const IntegerType zero = (IntegerType)0;
+	while ( true )
+	{
+		if ( a == zero )
+			return b;
+		b %= a;
+
+		if ( b == zero )
+			return a;
+		a %= b;
+	}
+}
+
+template < typename IntegerType >
+IntegerType  lcm( IntegerType a, IntegerType b )
+{
+	const IntegerType t = gcd (a,b);
+	if (!t)return t;
+	return a / t * b;
+}
+
+}
+}
diff --git a/thirdparty/assimp/include/assimp/MemoryIOWrapper.h b/thirdparty/assimp/include/assimp/MemoryIOWrapper.h
new file mode 100644
index 0000000000..c522787184
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/MemoryIOWrapper.h
@@ -0,0 +1,244 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file MemoryIOWrapper.h
+ *  Handy IOStream/IOSystem implemetation to read directly from a memory buffer */
+#ifndef AI_MEMORYIOSTREAM_H_INC
+#define AI_MEMORYIOSTREAM_H_INC
+
+#include <assimp/IOStream.hpp>
+#include <assimp/IOSystem.hpp>
+#include <assimp/ai_assert.h>
+#include <stdint.h>
+
+namespace Assimp    {
+    
+#define AI_MEMORYIO_MAGIC_FILENAME "$$$___magic___$$$"
+#define AI_MEMORYIO_MAGIC_FILENAME_LENGTH 17
+
+// ----------------------------------------------------------------------------------
+/** Implementation of IOStream to read directly from a memory buffer */
+// ----------------------------------------------------------------------------------
+class MemoryIOStream : public IOStream {
+public:
+    MemoryIOStream (const uint8_t* buff, size_t len, bool own = false)
+    : buffer (buff)
+    , length(len)
+    , pos((size_t)0)
+    , own(own) {
+        // empty
+    }
+
+    ~MemoryIOStream ()  {
+        if(own) {
+            delete[] buffer;
+        }
+    }
+
+    // -------------------------------------------------------------------
+    // Read from stream
+    size_t Read(void* pvBuffer, size_t pSize, size_t pCount)    {
+        ai_assert(nullptr != pvBuffer);
+        ai_assert(0 != pSize);
+        
+        const size_t cnt = std::min( pCount, (length-pos) / pSize);
+        const size_t ofs = pSize * cnt;
+
+        ::memcpy(pvBuffer,buffer+pos,ofs);
+        pos += ofs;
+
+        return cnt;
+    }
+
+    // -------------------------------------------------------------------
+    // Write to stream
+    size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/,size_t /*pCount*/)  {
+        ai_assert(false); // won't be needed
+        return 0;
+    }
+
+    // -------------------------------------------------------------------
+    // Seek specific position
+    aiReturn Seek(size_t pOffset, aiOrigin pOrigin) {
+        if (aiOrigin_SET == pOrigin) {
+            if (pOffset > length) {
+                return AI_FAILURE;
+            }
+            pos = pOffset;
+        } else if (aiOrigin_END == pOrigin) {
+            if (pOffset > length) {
+                return AI_FAILURE;
+            }
+            pos = length-pOffset;
+        } else {
+            if (pOffset+pos > length) {
+                return AI_FAILURE;
+            }
+            pos += pOffset;
+        }
+        return AI_SUCCESS;
+    }
+
+    // -------------------------------------------------------------------
+    // Get current seek position
+    size_t Tell() const {
+        return pos;
+    }
+
+    // -------------------------------------------------------------------
+    // Get size of file
+    size_t FileSize() const {
+        return length;
+    }
+
+    // -------------------------------------------------------------------
+    // Flush file contents
+    void Flush() {
+        ai_assert(false); // won't be needed
+    }
+
+private:
+    const uint8_t* buffer;
+    size_t length,pos;
+    bool own;
+};
+
+// ---------------------------------------------------------------------------
+/** Dummy IO system to read from a memory buffer */
+class MemoryIOSystem : public IOSystem {
+public:
+    /** Constructor. */
+    MemoryIOSystem(const uint8_t* buff, size_t len, IOSystem* io)
+    : buffer(buff)
+    , length(len)
+    , existing_io(io)
+    , created_streams() {
+        // empty
+    }
+
+    /** Destructor. */
+    ~MemoryIOSystem() {
+    }
+
+    // -------------------------------------------------------------------
+    /** Tests for the existence of a file at the given path. */
+    bool Exists(const char* pFile) const override {
+        if (0 == strncmp( pFile, AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH ) ) {
+            return true;
+        }
+        return existing_io ? existing_io->Exists(pFile) : false;
+    }
+
+    // -------------------------------------------------------------------
+    /** Returns the directory separator. */
+    char getOsSeparator() const override {
+        return existing_io ? existing_io->getOsSeparator()
+                           : '/';  // why not? it doesn't care
+    }
+
+    // -------------------------------------------------------------------
+    /** Open a new file with a given path. */
+    IOStream* Open(const char* pFile, const char* pMode = "rb") override {
+        if ( 0 == strncmp( pFile, AI_MEMORYIO_MAGIC_FILENAME, AI_MEMORYIO_MAGIC_FILENAME_LENGTH ) ) {
+            created_streams.emplace_back(new MemoryIOStream(buffer, length));
+            return created_streams.back();
+        }
+        return existing_io ? existing_io->Open(pFile, pMode) : NULL;
+    }
+
+    // -------------------------------------------------------------------
+    /** Closes the given file and releases all resources associated with it. */
+    void Close( IOStream* pFile) override {
+        auto it = std::find(created_streams.begin(), created_streams.end(), pFile);
+        if (it != created_streams.end()) {
+            delete pFile;
+            created_streams.erase(it);
+        } else if (existing_io) {
+            existing_io->Close(pFile);
+        }
+    }
+
+    // -------------------------------------------------------------------
+    /** Compare two paths */
+    bool ComparePaths(const char* one, const char* second) const override {
+        return existing_io ? existing_io->ComparePaths(one, second) : false;
+    }
+
+    bool PushDirectory( const std::string &path ) override { 
+        return existing_io ? existing_io->PushDirectory(path) : false;
+    }
+
+    const std::string &CurrentDirectory() const override {
+        static std::string empty;
+        return existing_io ? existing_io->CurrentDirectory() : empty;
+    }
+
+    size_t StackSize() const override {
+        return existing_io ? existing_io->StackSize() : 0;
+    }
+
+    bool PopDirectory() override {
+        return existing_io ? existing_io->PopDirectory() : false;
+    }
+
+    bool CreateDirectory( const std::string &path ) override {
+        return existing_io ? existing_io->CreateDirectory(path) : false;
+    }
+
+    bool ChangeDirectory( const std::string &path ) override {
+        return existing_io ? existing_io->ChangeDirectory(path) : false;
+    }
+
+    bool DeleteFile( const std::string &file ) override {
+        return existing_io ? existing_io->DeleteFile(file) : false;
+    }
+
+private:
+    const uint8_t* buffer;
+    size_t length;
+    IOSystem* existing_io;
+    std::vector<IOStream*> created_streams;
+};
+
+} // end namespace Assimp
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/NullLogger.hpp b/thirdparty/assimp/include/assimp/NullLogger.hpp
new file mode 100644
index 0000000000..c45d01bd48
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/NullLogger.hpp
@@ -0,0 +1,99 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  NullLogger.hpp
+ *  @brief Dummy logger
+*/
+
+#ifndef INCLUDED_AI_NULLLOGGER_H
+#define INCLUDED_AI_NULLLOGGER_H
+
+#include "Logger.hpp"
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** @brief CPP-API: Empty logging implementation.
+ *
+ * Does nothing! Used by default if the application hasn't requested a
+ * custom logger via #DefaultLogger::set() or #DefaultLogger::create(); */
+class ASSIMP_API NullLogger
+    : public Logger {
+
+public:
+
+    /** @brief  Logs a debug message */
+    void OnDebug(const char* message) {
+        (void)message; //this avoids compiler warnings
+    }
+
+    /** @brief  Logs an info message */
+    void OnInfo(const char* message) {
+        (void)message; //this avoids compiler warnings
+    }
+
+    /** @brief  Logs a warning message */
+    void OnWarn(const char* message) {
+        (void)message; //this avoids compiler warnings
+    }
+
+    /** @brief  Logs an error message */
+    void OnError(const char* message) {
+        (void)message; //this avoids compiler warnings
+    }
+
+    /** @brief  Detach a still attached stream from logger */
+    bool attachStream(LogStream *pStream, unsigned int severity) {
+        (void)pStream; (void)severity; //this avoids compiler warnings
+        return false;
+    }
+
+    /** @brief  Detach a still attached stream from logger */
+    bool detatchStream(LogStream *pStream, unsigned int severity) {
+        (void)pStream; (void)severity; //this avoids compiler warnings
+        return false;
+    }
+
+private:
+};
+}
+#endif // !! AI_NULLLOGGER_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/ParsingUtils.h b/thirdparty/assimp/include/assimp/ParsingUtils.h
new file mode 100644
index 0000000000..ca30ce13b0
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/ParsingUtils.h
@@ -0,0 +1,260 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+
+/** @file ParsingUtils.h
+ *  @brief Defines helper functions for text parsing
+ */
+#ifndef AI_PARSING_UTILS_H_INC
+#define AI_PARSING_UTILS_H_INC
+
+#include "StringComparison.h"
+#include "StringUtils.h"
+#include <assimp/defs.h>
+
+namespace Assimp {
+
+// NOTE: the functions below are mostly intended as replacement for
+// std::upper, std::lower, std::isupper, std::islower, std::isspace.
+// we don't bother of locales. We don't want them. We want reliable
+// (i.e. identical) results across all locales.
+
+// The functions below accept any character type, but know only
+// about ASCII. However, UTF-32 is the only safe ASCII superset to
+// use since it doesn't have multi-byte sequences.
+
+static const unsigned int BufferSize = 4096;
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+char_t ToLower( char_t in ) {
+    return (in >= (char_t)'A' && in <= (char_t)'Z') ? (char_t)(in+0x20) : in;
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+char_t ToUpper( char_t in) {
+    return (in >= (char_t)'a' && in <= (char_t)'z') ? (char_t)(in-0x20) : in;
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool IsUpper( char_t in) {
+    return (in >= (char_t)'A' && in <= (char_t)'Z');
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool IsLower( char_t in) {
+    return (in >= (char_t)'a' && in <= (char_t)'z');
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool IsSpace( char_t in) {
+    return (in == (char_t)' ' || in == (char_t)'\t');
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool IsLineEnd( char_t in) {
+    return (in==(char_t)'\r'||in==(char_t)'\n'||in==(char_t)'\0'||in==(char_t)'\f');
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool IsSpaceOrNewLine( char_t in) {
+    return IsSpace<char_t>(in) || IsLineEnd<char_t>(in);
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipSpaces( const char_t* in, const char_t** out) {
+    while( *in == ( char_t )' ' || *in == ( char_t )'\t' ) {
+        ++in;
+    }
+    *out = in;
+    return !IsLineEnd<char_t>(*in);
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipSpaces( const char_t** inout) {
+    return SkipSpaces<char_t>(*inout,inout);
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipLine( const char_t* in, const char_t** out) {
+    while( *in != ( char_t )'\r' && *in != ( char_t )'\n' && *in != ( char_t )'\0' ) {
+        ++in;
+    }
+
+    // files are opened in binary mode. Ergo there are both NL and CR
+    while( *in == ( char_t )'\r' || *in == ( char_t )'\n' ) {
+        ++in;
+    }
+    *out = in;
+    return *in != (char_t)'\0';
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipLine( const char_t** inout) {
+    return SkipLine<char_t>(*inout,inout);
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipSpacesAndLineEnd( const char_t* in, const char_t** out) {
+    while( *in == ( char_t )' ' || *in == ( char_t )'\t' || *in == ( char_t )'\r' || *in == ( char_t )'\n' ) {
+        ++in;
+    }
+    *out = in;
+    return *in != '\0';
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool SkipSpacesAndLineEnd( const char_t** inout) {
+    return SkipSpacesAndLineEnd<char_t>(*inout,inout);
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool GetNextLine( const char_t*& buffer, char_t out[ BufferSize ] ) {
+    if( ( char_t )'\0' == *buffer ) {
+        return false;
+    }
+
+    char* _out = out;
+    char* const end = _out + BufferSize;
+    while( !IsLineEnd( *buffer ) && _out < end ) {
+        *_out++ = *buffer++;
+    }
+    *_out = (char_t)'\0';
+
+    while( IsLineEnd( *buffer ) && '\0' != *buffer ) {
+        ++buffer;
+    }
+
+    return true;
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE bool IsNumeric( char_t in)
+{
+    return ( in >= '0' && in <= '9' ) || '-' == in || '+' == in;
+}
+
+// ---------------------------------------------------------------------------------
+template <class char_t>
+AI_FORCE_INLINE
+bool TokenMatch(char_t*& in, const char* token, unsigned int len)
+{
+    if (!::strncmp(token,in,len) && IsSpaceOrNewLine(in[len])) {
+        if (in[len] != '\0') {
+            in += len+1;
+        } else {
+            // If EOF after the token make sure we don't go past end of buffer
+            in += len;
+        }
+        return true;
+    }
+
+    return false;
+}
+// ---------------------------------------------------------------------------------
+/** @brief Case-ignoring version of TokenMatch
+ *  @param in Input
+ *  @param token Token to check for
+ *  @param len Number of characters to check
+ */
+AI_FORCE_INLINE
+bool TokenMatchI(const char*& in, const char* token, unsigned int len) {
+    if (!ASSIMP_strincmp(token,in,len) && IsSpaceOrNewLine(in[len])) {
+        in += len+1;
+        return true;
+    }
+    return false;
+}
+
+// ---------------------------------------------------------------------------------
+AI_FORCE_INLINE
+void SkipToken(const char*& in) {
+    SkipSpaces(&in);
+    while ( !IsSpaceOrNewLine( *in ) ) {
+        ++in;
+    }
+}
+
+// ---------------------------------------------------------------------------------
+AI_FORCE_INLINE
+std::string GetNextToken(const char*& in) {
+    SkipSpacesAndLineEnd(&in);
+    const char* cur = in;
+    while ( !IsSpaceOrNewLine( *in ) ) {
+        ++in;
+    }
+    return std::string(cur,(size_t)(in-cur));
+}
+
+// ---------------------------------------------------------------------------------
+
+} // ! namespace Assimp
+
+#endif // ! AI_PARSING_UTILS_H_INC
diff --git a/thirdparty/assimp/include/assimp/Profiler.h b/thirdparty/assimp/include/assimp/Profiler.h
new file mode 100644
index 0000000000..6ff9d41c0a
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Profiler.h
@@ -0,0 +1,99 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Profiler.h
+ *  @brief Utility to measure the respective runtime of each import step
+ */
+#ifndef INCLUDED_PROFILER_H
+#define INCLUDED_PROFILER_H
+
+#include <chrono>
+#include <assimp/DefaultLogger.hpp>
+#include "TinyFormatter.h"
+
+#include <map>
+
+namespace Assimp {
+namespace Profiling {
+
+using namespace Formatter;
+
+// ------------------------------------------------------------------------------------------------
+/** Simple wrapper around boost::timer to simplify reporting. Timings are automatically
+ *  dumped to the log file.
+ */
+class Profiler {
+public:
+    Profiler() {
+        // empty
+    }
+
+public:
+
+    /** Start a named timer */
+    void BeginRegion(const std::string& region) {
+        regions[region] = std::chrono::system_clock::now();
+        ASSIMP_LOG_DEBUG((format("START `"),region,"`"));
+    }
+
+
+    /** End a specific named timer and write its end time to the log */
+    void EndRegion(const std::string& region) {
+        RegionMap::const_iterator it = regions.find(region);
+        if (it == regions.end()) {
+            return;
+        }
+
+        std::chrono::duration<double> elapsedSeconds = std::chrono::system_clock::now() - regions[region];
+        ASSIMP_LOG_DEBUG((format("END   `"),region,"`, dt= ", elapsedSeconds.count()," s"));
+    }
+
+private:
+    typedef std::map<std::string,std::chrono::time_point<std::chrono::system_clock>> RegionMap;
+    RegionMap regions;
+};
+
+}
+}
+
+#endif
+
diff --git a/thirdparty/assimp/include/assimp/ProgressHandler.hpp b/thirdparty/assimp/include/assimp/ProgressHandler.hpp
new file mode 100644
index 0000000000..4e47f1d0a6
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/ProgressHandler.hpp
@@ -0,0 +1,145 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file ProgressHandler.hpp
+ *  @brief Abstract base class 'ProgressHandler'.
+ */
+#pragma once
+#ifndef AI_PROGRESSHANDLER_H_INC
+#define AI_PROGRESSHANDLER_H_INC
+
+#include "types.h"
+
+namespace Assimp    {
+
+// ------------------------------------------------------------------------------------
+/** @brief CPP-API: Abstract interface for custom progress report receivers.
+ *
+ *  Each #Importer instance maintains its own #ProgressHandler. The default
+ *  implementation provided by Assimp doesn't do anything at all. */
+class ASSIMP_API ProgressHandler
+#ifndef SWIG
+    : public Intern::AllocateFromAssimpHeap
+#endif
+{
+protected:
+    /// @brief  Default constructor
+    ProgressHandler () AI_NO_EXCEPT {
+        // empty
+    }
+
+public:
+    /// @brief  Virtual destructor.
+    virtual ~ProgressHandler () {
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Progress callback.
+     *  @param percentage An estimate of the current loading progress,
+     *    in percent. Or -1.f if such an estimate is not available.
+     *
+     *  There are restriction on what you may do from within your
+     *  implementation of this method: no exceptions may be thrown and no
+     *  non-const #Importer methods may be called. It is
+     *  not generally possible to predict the number of callbacks
+     *  fired during a single import.
+     *
+     *  @return Return false to abort loading at the next possible
+     *   occasion (loaders and Assimp are generally allowed to perform
+     *   all needed cleanup tasks prior to returning control to the
+     *   caller). If the loading is aborted, #Importer::ReadFile()
+     *   returns always NULL.
+     *   */
+    virtual bool Update(float percentage = -1.f) = 0;
+
+    // -------------------------------------------------------------------
+    /** @brief Progress callback for file loading steps
+     *  @param numberOfSteps The number of total post-processing
+     *   steps
+     *  @param currentStep The index of the current post-processing
+     *   step that will run, or equal to numberOfSteps if all of
+     *   them has finished. This number is always strictly monotone
+     *   increasing, although not necessarily linearly.
+     *
+     *  @note This is currently only used at the start and the end
+     *   of the file parsing.
+     *   */
+    virtual void UpdateFileRead(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
+        float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
+        Update( f * 0.5f );
+    }
+
+    // -------------------------------------------------------------------
+    /** @brief Progress callback for post-processing steps
+     *  @param numberOfSteps The number of total post-processing
+     *   steps
+     *  @param currentStep The index of the current post-processing
+     *   step that will run, or equal to numberOfSteps if all of
+     *   them has finished. This number is always strictly monotone
+     *   increasing, although not necessarily linearly.
+     *   */
+    virtual void UpdatePostProcess(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
+        float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
+        Update( f * 0.5f + 0.5f );
+    }
+
+
+    // -------------------------------------------------------------------
+    /** @brief Progress callback for export steps.
+     *  @param numberOfSteps The number of total processing
+     *   steps
+     *  @param currentStep The index of the current post-processing
+     *   step that will run, or equal to numberOfSteps if all of
+     *   them has finished. This number is always strictly monotone
+     *   increasing, although not necessarily linearly.
+     *   */
+    virtual void UpdateFileWrite(int currentStep /*= 0*/, int numberOfSteps /*= 0*/) {
+        float f = numberOfSteps ? currentStep / (float)numberOfSteps : 1.0f;
+        Update(f * 0.5f);
+    }
+}; // !class ProgressHandler
+
+// ------------------------------------------------------------------------------------
+
+} // Namespace Assimp
+
+#endif // AI_PROGRESSHANDLER_H_INC
diff --git a/thirdparty/assimp/include/assimp/RemoveComments.h b/thirdparty/assimp/include/assimp/RemoveComments.h
new file mode 100644
index 0000000000..404b496719
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/RemoveComments.h
@@ -0,0 +1,91 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Declares a helper class, "CommentRemover", which can be
+ *  used to remove comments (single and multi line) from a text file.
+ */
+#ifndef AI_REMOVE_COMMENTS_H_INC
+#define AI_REMOVE_COMMENTS_H_INC
+
+
+#include <assimp/defs.h>
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** \brief Helper class to remove single and multi line comments from a file
+ *
+ *  Some mesh formats like MD5 have comments that are quite similar
+ *  to those in C or C++ so this code has been moved to a separate
+ *  module.
+ */
+class ASSIMP_API CommentRemover
+{
+    // class cannot be instanced
+    CommentRemover() {}
+
+public:
+
+    //! Remove single-line comments. The end of a line is
+    //! expected to be either NL or CR or NLCR.
+    //! \param szComment The start sequence of the comment, e.g. "//"
+    //! \param szBuffer Buffer to work with
+    //! \param chReplacement Character to be used as replacement
+    //! for commented lines. By default this is ' '
+    static void RemoveLineComments(const char* szComment,
+        char* szBuffer, char chReplacement = ' ');
+
+    //! Remove multi-line comments. The end of a line is
+    //! expected to be either NL or CR or NLCR. Multi-line comments
+    //! may not be nested (as in C).
+    //! \param szCommentStart The start sequence of the comment, e.g. "/*"
+    //! \param szCommentEnd The end sequence of the comment, e.g. "*/"
+    //! \param szBuffer Buffer to work with
+    //! \param chReplacement Character to be used as replacement
+    //! for commented lines. By default this is ' '
+    static void RemoveMultiLineComments(const char* szCommentStart,
+        const char* szCommentEnd,char* szBuffer,
+        char chReplacement = ' ');
+};
+} // ! Assimp
+
+#endif // !! AI_REMOVE_COMMENTS_H_INC
diff --git a/thirdparty/assimp/include/assimp/SGSpatialSort.h b/thirdparty/assimp/include/assimp/SGSpatialSort.h
new file mode 100644
index 0000000000..5b4f3f41f2
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SGSpatialSort.h
@@ -0,0 +1,150 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** Small helper classes to optimize finding vertices close to a given location
+ */
+#ifndef AI_D3DSSPATIALSORT_H_INC
+#define AI_D3DSSPATIALSORT_H_INC
+
+#include <assimp/types.h>
+#include <vector>
+#include <stdint.h>
+
+namespace Assimp    {
+
+// ----------------------------------------------------------------------------------
+/** Specialized version of SpatialSort to support smoothing groups
+ *  This is used in by the 3DS, ASE and LWO loaders. 3DS and ASE share their
+ *  normal computation code in SmoothingGroups.inl, the LWO loader has its own
+ *  implementation to handle all details of its file format correctly.
+ */
+// ----------------------------------------------------------------------------------
+class ASSIMP_API SGSpatialSort
+{
+public:
+
+    SGSpatialSort();
+
+    // -------------------------------------------------------------------
+    /** Construction from a given face array, handling smoothing groups
+     *  properly
+     */
+    explicit SGSpatialSort(const std::vector<aiVector3D>& vPositions);
+
+    // -------------------------------------------------------------------
+    /** Add a vertex to the spatial sort
+     * @param vPosition Vertex position to be added
+     * @param index Index of the vrtex
+     * @param smoothingGroup SmoothingGroup for this vertex
+     */
+    void Add(const aiVector3D& vPosition, unsigned int index,
+        unsigned int smoothingGroup);
+
+    // -------------------------------------------------------------------
+    /** Prepare the spatial sorter for use. This step runs in O(logn)
+     */
+    void Prepare();
+
+    /** Destructor */
+    ~SGSpatialSort();
+
+    // -------------------------------------------------------------------
+    /** Returns an iterator for all positions close to the given position.
+     * @param pPosition The position to look for vertices.
+     * @param pSG Only included vertices with at least one shared smooth group
+     * @param pRadius Maximal distance from the position a vertex may have
+     *   to be counted in.
+     * @param poResults The container to store the indices of the found
+     *   positions. Will be emptied by the call so it may contain anything.
+     * @param exactMatch Specifies whether smoothing groups are bit masks
+     *   (false) or integral values (true). In the latter case, a vertex
+     *   cannot belong to more than one smoothing group.
+     * @return An iterator to iterate over all vertices in the given area.
+     */
+    // -------------------------------------------------------------------
+    void FindPositions( const aiVector3D& pPosition, uint32_t pSG,
+        float pRadius, std::vector<unsigned int>& poResults,
+        bool exactMatch = false) const;
+
+protected:
+    /** Normal of the sorting plane, normalized. The center is always at (0, 0, 0) */
+    aiVector3D mPlaneNormal;
+
+    // -------------------------------------------------------------------
+    /** An entry in a spatially sorted position array. Consists of a
+     *  vertex index, its position and its pre-calculated distance from
+     *  the reference plane */
+    // -------------------------------------------------------------------
+    struct Entry {
+        unsigned int mIndex;    ///< The vertex referred by this entry
+        aiVector3D mPosition;   ///< Position
+        uint32_t mSmoothGroups;
+        float mDistance;        ///< Distance of this vertex to the sorting plane
+
+        Entry() AI_NO_EXCEPT
+        : mIndex(0)
+        , mPosition()
+        , mSmoothGroups(0)
+        , mDistance(0.0f) {
+            // empty
+        }
+
+        Entry( unsigned int pIndex, const aiVector3D& pPosition, float pDistance,uint32_t pSG)
+        : mIndex( pIndex)
+        , mPosition( pPosition)
+        , mSmoothGroups(pSG)
+        , mDistance( pDistance) {
+            // empty
+        }
+
+        bool operator < (const Entry& e) const {
+            return mDistance < e.mDistance;
+        }
+    };
+
+    // all positions, sorted by distance to the sorting plane
+    std::vector<Entry> mPositions;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_SPATIALSORT_H_INC
diff --git a/thirdparty/assimp/include/assimp/SceneCombiner.h b/thirdparty/assimp/include/assimp/SceneCombiner.h
new file mode 100644
index 0000000000..679a2acea4
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SceneCombiner.h
@@ -0,0 +1,401 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Declares a helper class, "SceneCombiner" providing various
+ *  utilities to merge scenes.
+ */
+#ifndef AI_SCENE_COMBINER_H_INC
+#define AI_SCENE_COMBINER_H_INC
+
+#include <assimp/ai_assert.h>
+#include <assimp/types.h>
+#include <assimp/Defines.h>
+#include <stddef.h>
+#include <set>
+#include <list>
+#include <stdint.h>
+
+#include <vector>
+
+struct aiScene;
+struct aiNode;
+struct aiMaterial;
+struct aiTexture;
+struct aiCamera;
+struct aiLight;
+struct aiMetadata;
+struct aiBone;
+struct aiMesh;
+struct aiAnimation;
+struct aiNodeAnim;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** \brief Helper data structure for SceneCombiner.
+ *
+ *  Describes to which node a scene must be attached to.
+ */
+struct AttachmentInfo
+{
+    AttachmentInfo()
+        :   scene           (NULL)
+        ,   attachToNode    (NULL)
+    {}
+
+    AttachmentInfo(aiScene* _scene, aiNode* _attachToNode)
+        :   scene           (_scene)
+        ,   attachToNode    (_attachToNode)
+    {}
+
+    aiScene* scene;
+    aiNode*  attachToNode;
+};
+
+// ---------------------------------------------------------------------------
+struct NodeAttachmentInfo
+{
+    NodeAttachmentInfo()
+        :   node            (NULL)
+        ,   attachToNode    (NULL)
+        ,   resolved        (false)
+        ,   src_idx         (SIZE_MAX)
+    {}
+
+    NodeAttachmentInfo(aiNode* _scene, aiNode* _attachToNode,size_t idx)
+        :   node            (_scene)
+        ,   attachToNode    (_attachToNode)
+        ,   resolved        (false)
+        ,   src_idx         (idx)
+    {}
+
+    aiNode*  node;
+    aiNode*  attachToNode;
+    bool     resolved;
+    size_t   src_idx;
+};
+
+// ---------------------------------------------------------------------------
+/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES
+ *  Generate unique names for all named scene items
+ */
+#define AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES      0x1
+
+/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_MATNAMES
+ *  Generate unique names for materials, too.
+ *  This is not absolutely required to pass the validation.
+ */
+#define AI_INT_MERGE_SCENE_GEN_UNIQUE_MATNAMES   0x2
+
+/** @def AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY
+ * Use deep copies of duplicate scenes
+ */
+#define AI_INT_MERGE_SCENE_DUPLICATES_DEEP_CPY   0x4
+
+/** @def AI_INT_MERGE_SCENE_RESOLVE_CROSS_ATTACHMENTS
+ * If attachment nodes are not found in the given master scene,
+ * search the other imported scenes for them in an any order.
+ */
+#define AI_INT_MERGE_SCENE_RESOLVE_CROSS_ATTACHMENTS 0x8
+
+/** @def AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY
+ * Can be combined with AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES.
+ * Unique names are generated, but only if this is absolutely
+ * required to avoid name conflicts.
+ */
+#define AI_INT_MERGE_SCENE_GEN_UNIQUE_NAMES_IF_NECESSARY 0x10
+
+typedef std::pair<aiBone*,unsigned int> BoneSrcIndex;
+
+// ---------------------------------------------------------------------------
+/** @brief Helper data structure for SceneCombiner::MergeBones.
+ */
+struct BoneWithHash : public std::pair<uint32_t,aiString*>  {
+    std::vector<BoneSrcIndex> pSrcBones;
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Utility for SceneCombiner
+ */
+struct SceneHelper
+{
+    SceneHelper ()
+        : scene     (NULL)
+        , idlen     (0)
+    {
+        id[0] = 0;
+    }
+
+    explicit SceneHelper (aiScene* _scene)
+        : scene     (_scene)
+        , idlen     (0)
+    {
+        id[0] = 0;
+    }
+
+    AI_FORCE_INLINE aiScene* operator-> () const
+    {
+        return scene;
+    }
+
+    // scene we're working on
+    aiScene* scene;
+
+    // prefix to be added to all identifiers in the scene ...
+    char id [32];
+
+    // and its strlen()
+    unsigned int idlen;
+
+    // hash table to quickly check whether a name is contained in the scene
+    std::set<unsigned int> hashes;
+};
+
+// ---------------------------------------------------------------------------
+/** \brief Static helper class providing various utilities to merge two
+ *    scenes. It is intended as internal utility and NOT for use by
+ *    applications.
+ *
+ * The class is currently being used by various postprocessing steps
+ * and loaders (ie. LWS).
+ */
+class ASSIMP_API SceneCombiner {
+    // class cannot be instanced
+    SceneCombiner() {
+        // empty
+    }
+
+    ~SceneCombiner() {
+        // empty
+    }
+
+public:
+    // -------------------------------------------------------------------
+    /** Merges two or more scenes.
+     *
+     *  @param dest  Receives a pointer to the destination scene. If the
+     *    pointer doesn't point to NULL when the function is called, the
+     *    existing scene is cleared and refilled.
+     *  @param src Non-empty list of scenes to be merged. The function
+     *    deletes the input scenes afterwards. There may be duplicate scenes.
+     *  @param flags Combination of the AI_INT_MERGE_SCENE flags defined above
+     */
+    static void MergeScenes(aiScene** dest,std::vector<aiScene*>& src,
+        unsigned int flags = 0);
+
+    // -------------------------------------------------------------------
+    /** Merges two or more scenes and attaches all scenes to a specific
+     *  position in the node graph of the master scene.
+     *
+     *  @param dest Receives a pointer to the destination scene. If the
+     *    pointer doesn't point to NULL when the function is called, the
+     *    existing scene is cleared and refilled.
+     *  @param master Master scene. It will be deleted afterwards. All
+     *    other scenes will be inserted in its node graph.
+     *  @param src Non-empty list of scenes to be merged along with their
+     *    corresponding attachment points in the master scene. The function
+     *    deletes the input scenes afterwards. There may be duplicate scenes.
+     *  @param flags Combination of the AI_INT_MERGE_SCENE flags defined above
+     */
+    static void MergeScenes(aiScene** dest, aiScene* master,
+        std::vector<AttachmentInfo>& src,
+        unsigned int flags = 0);
+
+    // -------------------------------------------------------------------
+    /** Merges two or more meshes
+     *
+     *  The meshes should have equal vertex formats. Only components
+     *  that are provided by ALL meshes will be present in the output mesh.
+     *  An exception is made for VColors - they are set to black. The
+     *  meshes should have the same material indices, too. The output
+     *  material index is always the material index of the first mesh.
+     *
+     *  @param dest Destination mesh. Must be empty.
+     *  @param flags Currently no parameters
+     *  @param begin First mesh to be processed
+     *  @param end Points to the mesh after the last mesh to be processed
+     */
+    static void MergeMeshes(aiMesh** dest,unsigned int flags,
+        std::vector<aiMesh*>::const_iterator begin,
+        std::vector<aiMesh*>::const_iterator end);
+
+    // -------------------------------------------------------------------
+    /** Merges two or more bones
+     *
+     *  @param out Mesh to receive the output bone list
+     *  @param flags Currently no parameters
+     *  @param begin First mesh to be processed
+     *  @param end Points to the mesh after the last mesh to be processed
+     */
+    static void MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator it,
+        std::vector<aiMesh*>::const_iterator end);
+
+    // -------------------------------------------------------------------
+    /** Merges two or more materials
+     *
+     *  The materials should be complementary as much as possible. In case
+     *  of a property present in different materials, the first occurrence
+     *  is used.
+     *
+     *  @param dest Destination material. Must be empty.
+     *  @param begin First material to be processed
+     *  @param end Points to the material after the last material to be processed
+     */
+    static void MergeMaterials(aiMaterial** dest,
+        std::vector<aiMaterial*>::const_iterator begin,
+        std::vector<aiMaterial*>::const_iterator end);
+
+    // -------------------------------------------------------------------
+    /** Builds a list of uniquely named bones in a mesh list
+     *
+     *  @param asBones Receives the output list
+     *  @param it First mesh to be processed
+     *  @param end Last mesh to be processed
+     */
+    static void BuildUniqueBoneList(std::list<BoneWithHash>& asBones,
+        std::vector<aiMesh*>::const_iterator it,
+        std::vector<aiMesh*>::const_iterator end);
+
+    // -------------------------------------------------------------------
+    /** Add a name prefix to all nodes in a scene.
+     *
+     *  @param Current node. This function is called recursively.
+     *  @param prefix Prefix to be added to all nodes
+     *  @param len STring length
+     */
+    static void AddNodePrefixes(aiNode* node, const char* prefix,
+        unsigned int len);
+
+    // -------------------------------------------------------------------
+    /** Add an offset to all mesh indices in a node graph
+     *
+     *  @param Current node. This function is called recursively.
+     *  @param offset Offset to be added to all mesh indices
+     */
+    static void OffsetNodeMeshIndices (aiNode* node, unsigned int offset);
+
+    // -------------------------------------------------------------------
+    /** Attach a list of node graphs to well-defined nodes in a master
+     *  graph. This is a helper for MergeScenes()
+     *
+     *  @param master Master scene
+     *  @param srcList List of source scenes along with their attachment
+     *    points. If an attachment point is NULL (or does not exist in
+     *    the master graph), a scene is attached to the root of the master
+     *    graph (as an additional child node)
+     *  @duplicates List of duplicates. If elem[n] == n the scene is not
+     *    a duplicate. Otherwise elem[n] links scene n to its first occurrence.
+     */
+    static void AttachToGraph ( aiScene* master,
+        std::vector<NodeAttachmentInfo>& srcList);
+
+    static void AttachToGraph (aiNode* attach,
+        std::vector<NodeAttachmentInfo>& srcList);
+
+
+    // -------------------------------------------------------------------
+    /** Get a deep copy of a scene
+     *
+     *  @param dest Receives a pointer to the destination scene
+     *  @param src Source scene - remains unmodified.
+     */
+    static void CopyScene(aiScene** dest,const aiScene* source,bool allocate = true);
+
+
+    // -------------------------------------------------------------------
+    /** Get a flat copy of a scene
+     *
+     *  Only the first hierarchy layer is copied. All pointer members of
+     *  aiScene are shared by source and destination scene.  If the
+     *    pointer doesn't point to NULL when the function is called, the
+     *    existing scene is cleared and refilled.
+     *  @param dest Receives a pointer to the destination scene
+     *  @param src Source scene - remains unmodified.
+     */
+    static void CopySceneFlat(aiScene** dest,const aiScene* source);
+
+
+    // -------------------------------------------------------------------
+    /** Get a deep copy of a mesh
+     *
+     *  @param dest Receives a pointer to the destination mesh
+     *  @param src Source mesh - remains unmodified.
+     */
+    static void Copy     (aiMesh** dest, const aiMesh* src);
+
+    // similar to Copy():
+    static void Copy  (aiMaterial** dest, const aiMaterial* src);
+    static void Copy  (aiTexture** dest, const aiTexture* src);
+    static void Copy  (aiAnimation** dest, const aiAnimation* src);
+    static void Copy  (aiCamera** dest, const aiCamera* src);
+    static void Copy  (aiBone** dest, const aiBone* src);
+    static void Copy  (aiLight** dest, const aiLight* src);
+    static void Copy  (aiNodeAnim** dest, const aiNodeAnim* src);
+    static void Copy  (aiMetadata** dest, const aiMetadata* src);
+
+    // recursive, of course
+    static void Copy     (aiNode** dest, const aiNode* src);
+
+
+private:
+
+    // -------------------------------------------------------------------
+    // Same as AddNodePrefixes, but with an additional check
+    static void AddNodePrefixesChecked(aiNode* node, const char* prefix,
+        unsigned int len,
+        std::vector<SceneHelper>& input,
+        unsigned int cur);
+
+    // -------------------------------------------------------------------
+    // Add node identifiers to a hashing set
+    static void AddNodeHashes(aiNode* node, std::set<unsigned int>& hashes);
+
+
+    // -------------------------------------------------------------------
+    // Search for duplicate names
+    static bool FindNameMatch(const aiString& name,
+        std::vector<SceneHelper>& input, unsigned int cur);
+};
+
+}
+
+#endif // !! AI_SCENE_COMBINER_H_INC
diff --git a/thirdparty/assimp/include/assimp/SkeletonMeshBuilder.h b/thirdparty/assimp/include/assimp/SkeletonMeshBuilder.h
new file mode 100644
index 0000000000..f9b8d9f55c
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SkeletonMeshBuilder.h
@@ -0,0 +1,125 @@
+/** Helper class to construct a dummy mesh for file formats containing only motion data */
+
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file SkeletonMeshBuilder.h
+ *  Declares SkeletonMeshBuilder, a tiny utility to build dummy meshes
+ *  for animation skeletons.
+ */
+
+#ifndef AI_SKELETONMESHBUILDER_H_INC
+#define AI_SKELETONMESHBUILDER_H_INC
+
+#include <vector>
+#include <assimp/mesh.h>
+
+struct aiMaterial;
+struct aiScene;
+struct aiNode;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/**
+ * This little helper class constructs a dummy mesh for a given scene
+ * the resembles the node hierarchy. This is useful for file formats
+ * that don't carry any mesh data but only animation data.
+ */
+class ASSIMP_API SkeletonMeshBuilder
+{
+public:
+
+    // -------------------------------------------------------------------
+    /** The constructor processes the given scene and adds a mesh there.
+     *
+     * Does nothing if the scene already has mesh data.
+     * @param pScene The scene for which a skeleton mesh should be constructed.
+     * @param root The node to start with. NULL is the scene root
+     * @param bKnobsOnly Set this to true if you don't want the connectors
+     *   between the knobs representing the nodes.
+     */
+    SkeletonMeshBuilder( aiScene* pScene, aiNode* root = NULL,
+        bool bKnobsOnly = false);
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Recursively builds a simple mesh representation for the given node
+     * and also creates a joint for the node that affects this part of
+     * the mesh.
+     * @param pNode The node to build geometry for.
+     */
+    void CreateGeometry( const aiNode* pNode);
+
+    // -------------------------------------------------------------------
+    /** Creates the mesh from the internally accumulated stuff and returns it.
+     */
+    aiMesh* CreateMesh();
+
+    // -------------------------------------------------------------------
+    /** Creates a dummy material and returns it. */
+    aiMaterial* CreateMaterial();
+
+protected:
+    /** space to assemble the mesh data: points */
+    std::vector<aiVector3D> mVertices;
+
+    /** faces */
+    struct Face
+    {
+        unsigned int mIndices[3];
+        Face();
+        Face( unsigned int p0, unsigned int p1, unsigned int p2)
+        { mIndices[0] = p0; mIndices[1] = p1; mIndices[2] = p2; }
+    };
+    std::vector<Face> mFaces;
+
+    /** bones */
+    std::vector<aiBone*> mBones;
+
+    bool mKnobsOnly;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_SKELETONMESHBUILDER_H_INC
diff --git a/thirdparty/assimp/include/assimp/SmoothingGroups.h b/thirdparty/assimp/include/assimp/SmoothingGroups.h
new file mode 100644
index 0000000000..92d65cea02
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SmoothingGroups.h
@@ -0,0 +1,108 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines the helper data structures for importing 3DS files.
+http://www.jalix.org/ressources/graphics/3DS/_unofficials/3ds-unofficial.txt */
+
+#ifndef AI_SMOOTHINGGROUPS_H_INC
+#define AI_SMOOTHINGGROUPS_H_INC
+
+#include <assimp/vector3.h>
+#include <stdint.h>
+#include <vector>
+
+// ---------------------------------------------------------------------------
+/** Helper structure representing a face with smoothing groups assigned */
+struct FaceWithSmoothingGroup {
+    FaceWithSmoothingGroup() AI_NO_EXCEPT
+    : mIndices()
+    , iSmoothGroup(0) {
+        // in debug builds set all indices to a common magic value
+#ifdef ASSIMP_BUILD_DEBUG
+        this->mIndices[0] = 0xffffffff;
+        this->mIndices[1] = 0xffffffff;
+        this->mIndices[2] = 0xffffffff;
+#endif
+    }
+
+
+    //! Indices. .3ds is using uint16. However, after
+    //! an unique vertex set has been generated,
+    //! individual index values might exceed 2^16
+    uint32_t mIndices[3];
+
+    //! specifies to which smoothing group the face belongs to
+    uint32_t iSmoothGroup;
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure representing a mesh whose faces have smoothing
+    groups assigned. This allows us to reuse the code for normal computations
+    from smoothings groups for several loaders (3DS, ASE). All of them
+    use face structures which inherit from #FaceWithSmoothingGroup,
+    but as they add extra members and need to be copied by value we
+    need to use a template here.
+    */
+template <class T>
+struct MeshWithSmoothingGroups
+{
+    //! Vertex positions
+    std::vector<aiVector3D> mPositions;
+
+    //! Face lists
+    std::vector<T> mFaces;
+
+    //! List of normal vectors
+    std::vector<aiVector3D> mNormals;
+};
+
+// ---------------------------------------------------------------------------
+/** Computes normal vectors for the mesh
+ */
+template <class T>
+void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh);
+
+
+// include implementations
+#include "SmoothingGroups.inl"
+
+#endif // !! AI_SMOOTHINGGROUPS_H_INC
diff --git a/thirdparty/assimp/include/assimp/SmoothingGroups.inl b/thirdparty/assimp/include/assimp/SmoothingGroups.inl
new file mode 100644
index 0000000000..84ea4a1b00
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SmoothingGroups.inl
@@ -0,0 +1,138 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2012, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms, 
+with or without modification, are permitted provided that the following 
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Generation of normal vectors basing on smoothing groups */
+
+#ifndef AI_SMOOTHINGGROUPS_INL_INCLUDED
+#define AI_SMOOTHINGGROUPS_INL_INCLUDED
+
+// internal headers
+#include <assimp/SGSpatialSort.h>
+
+// CRT header
+#include <algorithm>
+
+using namespace Assimp;
+
+// ------------------------------------------------------------------------------------------------
+template <class T>
+void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh)
+{
+    // First generate face normals
+    sMesh.mNormals.resize(sMesh.mPositions.size(),aiVector3D());
+    for( unsigned int a = 0; a < sMesh.mFaces.size(); a++)
+    {
+        T& face = sMesh.mFaces[a];
+
+        aiVector3D* pV1 = &sMesh.mPositions[face.mIndices[0]];
+        aiVector3D* pV2 = &sMesh.mPositions[face.mIndices[1]];
+        aiVector3D* pV3 = &sMesh.mPositions[face.mIndices[2]];
+
+        aiVector3D pDelta1 = *pV2 - *pV1;
+        aiVector3D pDelta2 = *pV3 - *pV1;
+        aiVector3D vNor = pDelta1 ^ pDelta2;
+
+        for (unsigned int c = 0; c < 3;++c)
+            sMesh.mNormals[face.mIndices[c]] = vNor;
+    }
+
+    // calculate the position bounds so we have a reliable epsilon to check position differences against 
+    aiVector3D minVec( 1e10f, 1e10f, 1e10f), maxVec( -1e10f, -1e10f, -1e10f);
+    for( unsigned int a = 0; a < sMesh.mPositions.size(); a++)
+    {
+        minVec.x = std::min( minVec.x, sMesh.mPositions[a].x);
+        minVec.y = std::min( minVec.y, sMesh.mPositions[a].y);
+        minVec.z = std::min( minVec.z, sMesh.mPositions[a].z);
+        maxVec.x = std::max( maxVec.x, sMesh.mPositions[a].x);
+        maxVec.y = std::max( maxVec.y, sMesh.mPositions[a].y);
+        maxVec.z = std::max( maxVec.z, sMesh.mPositions[a].z);
+    }
+    const float posEpsilon = (maxVec - minVec).Length() * 1e-5f;
+    std::vector<aiVector3D> avNormals;
+    avNormals.resize(sMesh.mNormals.size());
+    
+    // now generate the spatial sort tree
+    SGSpatialSort sSort;
+    for( typename std::vector<T>::iterator i =  sMesh.mFaces.begin();
+        i != sMesh.mFaces.end();++i)
+    {
+        for (unsigned int c = 0; c < 3;++c)
+            sSort.Add(sMesh.mPositions[(*i).mIndices[c]],(*i).mIndices[c],(*i).iSmoothGroup);
+    }
+    sSort.Prepare();
+
+    std::vector<bool> vertexDone(sMesh.mPositions.size(),false);
+    for( typename std::vector<T>::iterator i =  sMesh.mFaces.begin();
+        i != sMesh.mFaces.end();++i)
+    {
+        std::vector<unsigned int> poResult;
+        for (unsigned int c = 0; c < 3;++c)
+        {
+            unsigned int idx = (*i).mIndices[c];
+            if (vertexDone[idx])continue;
+
+            sSort.FindPositions(sMesh.mPositions[idx],(*i).iSmoothGroup,
+                posEpsilon,poResult);
+
+            aiVector3D vNormals;
+            for (std::vector<unsigned int>::const_iterator
+                a =  poResult.begin();
+                a != poResult.end();++a)
+            {
+                vNormals += sMesh.mNormals[(*a)];
+            }
+            vNormals.NormalizeSafe();
+
+            // write back into all affected normals
+            for (std::vector<unsigned int>::const_iterator
+                a =  poResult.begin();
+                a != poResult.end();++a)
+            {
+                idx = *a;
+                avNormals [idx] = vNormals;
+                vertexDone[idx] = true;
+            }
+        }
+    }
+    sMesh.mNormals = avNormals;
+}
+
+#endif // !! AI_SMOOTHINGGROUPS_INL_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/SpatialSort.h b/thirdparty/assimp/include/assimp/SpatialSort.h
new file mode 100644
index 0000000000..61b345bcbf
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/SpatialSort.h
@@ -0,0 +1,174 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** Small helper classes to optimise finding vertizes close to a given location */
+#ifndef AI_SPATIALSORT_H_INC
+#define AI_SPATIALSORT_H_INC
+
+#include <vector>
+#include <assimp/types.h>
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+/** A little helper class to quickly find all vertices in the epsilon environment of a given
+ * position. Construct an instance with an array of positions. The class stores the given positions
+ * by their indices and sorts them by their distance to an arbitrary chosen plane.
+ * You can then query the instance for all vertices close to a given position in an average O(log n)
+ * time, with O(n) worst case complexity when all vertices lay on the plane. The plane is chosen
+ * so that it avoids common planes in usual data sets. */
+// ------------------------------------------------------------------------------------------------
+class ASSIMP_API SpatialSort
+{
+public:
+
+    SpatialSort();
+
+    // ------------------------------------------------------------------------------------
+    /** Constructs a spatially sorted representation from the given position array.
+     * Supply the positions in its layout in memory, the class will only refer to them
+     * by index.
+     * @param pPositions Pointer to the first position vector of the array.
+     * @param pNumPositions Number of vectors to expect in that array.
+     * @param pElementOffset Offset in bytes from the beginning of one vector in memory
+     *   to the beginning of the next vector. */
+    SpatialSort( const aiVector3D* pPositions, unsigned int pNumPositions,
+        unsigned int pElementOffset);
+
+    /** Destructor */
+    ~SpatialSort();
+
+public:
+
+    // ------------------------------------------------------------------------------------
+    /** Sets the input data for the SpatialSort. This replaces existing data, if any.
+     *  The new data receives new indices in ascending order.
+     *
+     * @param pPositions Pointer to the first position vector of the array.
+     * @param pNumPositions Number of vectors to expect in that array.
+     * @param pElementOffset Offset in bytes from the beginning of one vector in memory
+     *   to the beginning of the next vector.
+     * @param pFinalize Specifies whether the SpatialSort's internal representation
+     *   is finalized after the new data has been added. Finalization is
+     *   required in order to use #FindPosition() or #GenerateMappingTable().
+     *   If you don't finalize yet, you can use #Append() to add data from
+     *   other sources.*/
+    void Fill( const aiVector3D* pPositions, unsigned int pNumPositions,
+        unsigned int pElementOffset,
+        bool pFinalize = true);
+
+
+    // ------------------------------------------------------------------------------------
+    /** Same as #Fill(), except the method appends to existing data in the #SpatialSort. */
+    void Append( const aiVector3D* pPositions, unsigned int pNumPositions,
+        unsigned int pElementOffset,
+        bool pFinalize = true);
+
+
+    // ------------------------------------------------------------------------------------
+    /** Finalize the spatial hash data structure. This can be useful after
+     *  multiple calls to #Append() with the pFinalize parameter set to false.
+     *  This is finally required before one of #FindPositions() and #GenerateMappingTable()
+     *  can be called to query the spatial sort.*/
+    void Finalize();
+
+    // ------------------------------------------------------------------------------------
+    /** Returns an iterator for all positions close to the given position.
+     * @param pPosition The position to look for vertices.
+     * @param pRadius Maximal distance from the position a vertex may have to be counted in.
+     * @param poResults The container to store the indices of the found positions.
+     *   Will be emptied by the call so it may contain anything.
+     * @return An iterator to iterate over all vertices in the given area.*/
+    void FindPositions( const aiVector3D& pPosition, ai_real pRadius,
+        std::vector<unsigned int>& poResults) const;
+
+    // ------------------------------------------------------------------------------------
+    /** Fills an array with indices of all positions identical to the given position. In
+     *  opposite to FindPositions(), not an epsilon is used but a (very low) tolerance of
+     *  four floating-point units.
+     * @param pPosition The position to look for vertices.
+     * @param poResults The container to store the indices of the found positions.
+     *   Will be emptied by the call so it may contain anything.*/
+    void FindIdenticalPositions( const aiVector3D& pPosition,
+        std::vector<unsigned int>& poResults) const;
+
+    // ------------------------------------------------------------------------------------
+    /** Compute a table that maps each vertex ID referring to a spatially close
+     *  enough position to the same output ID. Output IDs are assigned in ascending order
+     *  from 0...n.
+     * @param fill Will be filled with numPositions entries.
+     * @param pRadius Maximal distance from the position a vertex may have to
+     *   be counted in.
+     *  @return Number of unique vertices (n).  */
+    unsigned int GenerateMappingTable(std::vector<unsigned int>& fill,
+        ai_real pRadius) const;
+
+protected:
+    /** Normal of the sorting plane, normalized. The center is always at (0, 0, 0) */
+    aiVector3D mPlaneNormal;
+
+    /** An entry in a spatially sorted position array. Consists of a vertex index,
+     * its position and its pre-calculated distance from the reference plane */
+    struct Entry {
+        unsigned int mIndex; ///< The vertex referred by this entry
+        aiVector3D mPosition; ///< Position
+        ai_real mDistance; ///< Distance of this vertex to the sorting plane
+
+        Entry() AI_NO_EXCEPT
+        : mIndex( 999999999 ), mPosition(), mDistance( 99999. ) {
+            // empty        
+        }
+        Entry( unsigned int pIndex, const aiVector3D& pPosition, ai_real pDistance)
+        : mIndex( pIndex), mPosition( pPosition), mDistance( pDistance) {
+            // empty
+        }
+
+        bool operator < (const Entry& e) const { return mDistance < e.mDistance; }
+    };
+
+    // all positions, sorted by distance to the sorting plane
+    std::vector<Entry> mPositions;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_SPATIALSORT_H_INC
diff --git a/thirdparty/assimp/include/assimp/StandardShapes.h b/thirdparty/assimp/include/assimp/StandardShapes.h
new file mode 100644
index 0000000000..3791569b83
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/StandardShapes.h
@@ -0,0 +1,200 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Declares a helper class, "StandardShapes" which generates
+ *  vertices for standard shapes, such as cylnders, cones, spheres ..
+ */
+#ifndef AI_STANDARD_SHAPES_H_INC
+#define AI_STANDARD_SHAPES_H_INC
+
+#include <assimp/vector3.h>
+#include <vector>
+
+struct aiMesh;
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------
+/** \brief Helper class to generate vertex buffers for standard geometric
+ *  shapes, such as cylinders, cones, boxes, spheres, elipsoids ... .
+ */
+class ASSIMP_API StandardShapes
+{
+    // class cannot be instanced
+    StandardShapes() {}
+
+public:
+
+
+    // ----------------------------------------------------------------
+    /** Generates a mesh from an array of vertex positions.
+     *
+     *  @param positions List of vertex positions
+     *  @param numIndices Number of indices per primitive
+     *  @return Output mesh
+     */
+    static aiMesh* MakeMesh(const std::vector<aiVector3D>& positions,
+        unsigned int numIndices);
+
+
+    static aiMesh* MakeMesh ( unsigned int (*GenerateFunc)
+        (std::vector<aiVector3D>&));
+
+    static aiMesh* MakeMesh ( unsigned int (*GenerateFunc)
+        (std::vector<aiVector3D>&, bool));
+
+    static aiMesh* MakeMesh ( unsigned int n,  void (*GenerateFunc)
+        (unsigned int,std::vector<aiVector3D>&));
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a hexahedron (cube)
+     *
+     *  Hexahedrons can be scaled on all axes.
+     *  @param positions Receives output triangles.
+     *  @param polygons If you pass true here quads will be returned
+     *  @return Number of vertices per face
+     */
+    static unsigned int MakeHexahedron(
+        std::vector<aiVector3D>& positions,
+        bool polygons = false);
+
+    // ----------------------------------------------------------------
+    /** @brief Generates an icosahedron
+     *
+     *  @param positions Receives output triangles.
+     *  @return Number of vertices per face
+     */
+    static unsigned int MakeIcosahedron(
+        std::vector<aiVector3D>& positions);
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a dodecahedron
+     *
+     *  @param positions Receives output triangles
+     *  @param polygons If you pass true here pentagons will be returned
+     *  @return Number of vertices per face
+     */
+    static unsigned int MakeDodecahedron(
+        std::vector<aiVector3D>& positions,
+        bool polygons = false);
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates an octahedron
+     *
+     *  @param positions Receives output triangles.
+     *  @return Number of vertices per face
+     */
+    static unsigned int MakeOctahedron(
+        std::vector<aiVector3D>& positions);
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a tetrahedron
+     *
+     *  @param positions Receives output triangles.
+     *  @return Number of vertices per face
+     */
+    static unsigned int MakeTetrahedron(
+        std::vector<aiVector3D>& positions);
+
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a sphere
+     *
+     *  @param tess Number of subdivions - 0 generates a octahedron
+     *  @param positions Receives output triangles.
+     */
+    static void MakeSphere(unsigned int tess,
+        std::vector<aiVector3D>& positions);
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a cone or a cylinder, either open or closed.
+     *
+     *  @code
+     *
+     *       |-----|       <- radius 1
+     *
+     *        __x__        <- ]               ^
+     *       /     \          | height        |
+     *      /       \         |               Y
+     *     /         \        |
+     *    /           \       |
+     *   /______x______\   <- ] <- end cap
+     *
+     *   |-------------|   <- radius 2
+     *
+     *  @endcode
+     *
+     *  @param height Height of the cone
+     *  @param radius1 First radius
+     *  @param radius2 Second radius
+     *  @param tess Number of triangles.
+     *  @param bOpened true for an open cone/cylinder. An open shape has
+     *    no 'end caps'
+     *  @param positions Receives output triangles
+     */
+    static void MakeCone(ai_real height,ai_real radius1,
+        ai_real radius2,unsigned int tess,
+        std::vector<aiVector3D>& positions,bool bOpen= false);
+
+
+    // ----------------------------------------------------------------
+    /** @brief Generates a flat circle
+     *
+     *  The circle is constructed in the planned formed by the x,z
+     *  axes of the cartesian coordinate system.
+     *
+     *  @param radius Radius of the circle
+     *  @param tess Number of segments.
+     *  @param positions Receives output triangles.
+     */
+    static void MakeCircle(ai_real radius, unsigned int tess,
+        std::vector<aiVector3D>& positions);
+
+};
+} // ! Assimp
+
+#endif // !! AI_STANDARD_SHAPES_H_INC
diff --git a/thirdparty/assimp/include/assimp/StreamReader.h b/thirdparty/assimp/include/assimp/StreamReader.h
new file mode 100644
index 0000000000..9116c14261
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/StreamReader.h
@@ -0,0 +1,343 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Defines the StreamReader class which reads data from
+ *  a binary stream with a well-defined endianness.
+ */
+
+#ifndef AI_STREAMREADER_H_INCLUDED
+#define AI_STREAMREADER_H_INCLUDED
+
+#include <assimp/IOStream.hpp>
+#include <assimp/Defines.h>
+
+#include "ByteSwapper.h"
+#include "Exceptional.h"
+#include <memory>
+
+namespace Assimp {
+
+// --------------------------------------------------------------------------------------------
+/** Wrapper class around IOStream to allow for consistent reading of binary data in both
+ *  little and big endian format. Don't attempt to instance the template directly. Use
+ *  StreamReaderLE to read from a little-endian stream and StreamReaderBE to read from a
+ *  BE stream. The class expects that the endianness of any input data is known at
+ *  compile-time, which should usually be true (#BaseImporter::ConvertToUTF8 implements
+ *  runtime endianness conversions for text files).
+ *
+ *  XXX switch from unsigned int for size types to size_t? or ptrdiff_t?*/
+// --------------------------------------------------------------------------------------------
+template <bool SwapEndianess = false, bool RuntimeSwitch = false>
+class StreamReader {
+public:
+    // FIXME: use these data types throughout the whole library,
+    // then change them to 64 bit values :-)
+    using diff = int;
+    using pos  = unsigned int;
+
+    // ---------------------------------------------------------------------
+    /** Construction from a given stream with a well-defined endianness.
+     *
+     *  The StreamReader holds a permanent strong reference to the
+     *  stream, which is released upon destruction.
+     *  @param stream Input stream. The stream is not restarted if
+     *    its file pointer is not at 0. Instead, the stream reader
+     *    reads from the current position to the end of the stream.
+     *  @param le If @c RuntimeSwitch is true: specifies whether the
+     *    stream is in little endian byte order. Otherwise the
+     *    endianness information is contained in the @c SwapEndianess
+     *    template parameter and this parameter is meaningless.  */
+    StreamReader(std::shared_ptr<IOStream> stream, bool le = false)
+        : stream(stream)
+        , le(le)
+    {
+        ai_assert(stream);
+        InternBegin();
+    }
+
+    // ---------------------------------------------------------------------
+    StreamReader(IOStream* stream, bool le = false)
+        : stream(std::shared_ptr<IOStream>(stream))
+        , le(le)
+    {
+        ai_assert(stream);
+        InternBegin();
+    }
+
+    // ---------------------------------------------------------------------
+    ~StreamReader() {
+        delete[] buffer;
+    }
+
+    // deprecated, use overloaded operator>> instead
+
+    // ---------------------------------------------------------------------
+    /** Read a float from the stream  */
+    float GetF4()
+    {
+        return Get<float>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a double from the stream  */
+    double GetF8()  {
+        return Get<double>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a signed 16 bit integer from the stream */
+    int16_t GetI2() {
+        return Get<int16_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a signed 8 bit integer from the stream */
+    int8_t GetI1()  {
+        return Get<int8_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read an signed 32 bit integer from the stream */
+    int32_t GetI4() {
+        return Get<int32_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a signed 64 bit integer from the stream */
+    int64_t GetI8() {
+        return Get<int64_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a unsigned 16 bit integer from the stream */
+    uint16_t GetU2()    {
+        return Get<uint16_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a unsigned 8 bit integer from the stream */
+    uint8_t GetU1() {
+        return Get<uint8_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read an unsigned 32 bit integer from the stream */
+    uint32_t GetU4()    {
+        return Get<uint32_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Read a unsigned 64 bit integer from the stream */
+    uint64_t GetU8()    {
+        return Get<uint64_t>();
+    }
+
+    // ---------------------------------------------------------------------
+    /** Get the remaining stream size (to the end of the stream) */
+    unsigned int GetRemainingSize() const {
+        return (unsigned int)(end - current);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Get the remaining stream size (to the current read limit). The
+     *  return value is the remaining size of the stream if no custom
+     *  read limit has been set. */
+    unsigned int GetRemainingSizeToLimit() const {
+        return (unsigned int)(limit - current);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Increase the file pointer (relative seeking)  */
+    void IncPtr(intptr_t plus)    {
+        current += plus;
+        if (current > limit) {
+            throw DeadlyImportError("End of file or read limit was reached");
+        }
+    }
+
+    // ---------------------------------------------------------------------
+    /** Get the current file pointer */
+    int8_t* GetPtr() const  {
+        return current;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Set current file pointer (Get it from #GetPtr). This is if you
+     *  prefer to do pointer arithmetics on your own or want to copy
+     *  large chunks of data at once.
+     *  @param p The new pointer, which is validated against the size
+     *    limit and buffer boundaries. */
+    void SetPtr(int8_t* p)  {
+        current = p;
+        if (current > limit || current < buffer) {
+            throw DeadlyImportError("End of file or read limit was reached");
+        }
+    }
+
+    // ---------------------------------------------------------------------
+    /** Copy n bytes to an external buffer
+     *  @param out Destination for copying
+     *  @param bytes Number of bytes to copy */
+    void CopyAndAdvance(void* out, size_t bytes)    {
+        int8_t* ur = GetPtr();
+        SetPtr(ur+bytes); // fire exception if eof
+
+        ::memcpy(out,ur,bytes);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Get the current offset from the beginning of the file */
+    int GetCurrentPos() const   {
+        return (unsigned int)(current - buffer);
+    }
+
+    void SetCurrentPos(size_t pos) {
+        SetPtr(buffer + pos);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Setup a temporary read limit
+     *
+     *  @param limit Maximum number of bytes to be read from
+     *    the beginning of the file. Specifying UINT_MAX
+     *    resets the limit to the original end of the stream.
+     *  Returns the previously set limit. */
+    unsigned int SetReadLimit(unsigned int _limit)  {
+        unsigned int prev = GetReadLimit();
+        if (UINT_MAX == _limit) {
+            limit = end;
+            return prev;
+        }
+
+        limit = buffer + _limit;
+        if (limit > end) {
+            throw DeadlyImportError("StreamReader: Invalid read limit");
+        }
+        return prev;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Get the current read limit in bytes. Reading over this limit
+     *  accidentally raises an exception.  */
+    unsigned int GetReadLimit() const    {
+        return (unsigned int)(limit - buffer);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Skip to the read limit in bytes. Reading over this limit
+     *  accidentally raises an exception. */
+    void SkipToReadLimit()  {
+        current = limit;
+    }
+
+    // ---------------------------------------------------------------------
+    /** overload operator>> and allow chaining of >> ops. */
+    template <typename T>
+    StreamReader& operator >> (T& f) {
+        f = Get<T>();
+        return *this;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Generic read method. ByteSwap::Swap(T*) *must* be defined */
+    template <typename T>
+    T Get() {
+        if ( current + sizeof(T) > limit) {
+            throw DeadlyImportError("End of file or stream limit was reached");
+        }
+
+        T f;
+        ::memcpy (&f, current, sizeof(T));
+        Intern::Getter<SwapEndianess,T,RuntimeSwitch>() (&f,le);
+        current += sizeof(T);
+
+        return f;
+    }
+
+private:
+    // ---------------------------------------------------------------------
+    void InternBegin() {
+        if (!stream) {
+            // in case someone wonders: StreamReader is frequently invoked with
+            // no prior validation whether the input stream is valid. Since
+            // no one bothers changing the error message, this message here
+            // is passed down to the caller and 'unable to open file'
+            // simply describes best what happened.
+            throw DeadlyImportError("StreamReader: Unable to open file");
+        }
+
+        const size_t s = stream->FileSize() - stream->Tell();
+        if (!s) {
+            throw DeadlyImportError("StreamReader: File is empty or EOF is already reached");
+        }
+
+        current = buffer = new int8_t[s];
+        const size_t read = stream->Read(current,1,s);
+        // (read < s) can only happen if the stream was opened in text mode, in which case FileSize() is not reliable
+        ai_assert(read <= s);
+        end = limit = &buffer[read-1] + 1;
+    }
+
+private:
+    std::shared_ptr<IOStream> stream;
+    int8_t *buffer, *current, *end, *limit;
+    bool le;
+};
+
+// --------------------------------------------------------------------------------------------
+// `static` StreamReaders. Their byte order is fixed and they might be a little bit faster.
+#ifdef AI_BUILD_BIG_ENDIAN
+    typedef StreamReader<true>  StreamReaderLE;
+    typedef StreamReader<false> StreamReaderBE;
+#else
+    typedef StreamReader<true>  StreamReaderBE;
+    typedef StreamReader<false> StreamReaderLE;
+#endif
+
+// `dynamic` StreamReader. The byte order of the input data is specified in the
+// c'tor. This involves runtime branching and might be a little bit slower.
+typedef StreamReader<true,true> StreamReaderAny;
+
+} // end namespace Assimp
+
+#endif // !! AI_STREAMREADER_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/StreamWriter.h b/thirdparty/assimp/include/assimp/StreamWriter.h
new file mode 100644
index 0000000000..c7cf6c0d74
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/StreamWriter.h
@@ -0,0 +1,303 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file Defines the StreamWriter class which writes data to
+ *  a binary stream with a well-defined endianness. */
+
+#ifndef AI_STREAMWRITER_H_INCLUDED
+#define AI_STREAMWRITER_H_INCLUDED
+
+#include "ByteSwapper.h"
+#include <assimp/IOStream.hpp>
+
+#include <memory>
+#include <vector>
+
+namespace Assimp {
+
+// --------------------------------------------------------------------------------------------
+/** Wrapper class around IOStream to allow for consistent writing of binary data in both
+ *  little and big endian format. Don't attempt to instance the template directly. Use
+ *  StreamWriterLE to write to a little-endian stream and StreamWriterBE to write to a
+ *  BE stream. Alternatively, there is StreamWriterAny if the endianness of the output
+ *  stream is to be determined at runtime.
+ */
+// --------------------------------------------------------------------------------------------
+template <bool SwapEndianess = false, bool RuntimeSwitch = false>
+class StreamWriter
+{
+    enum {
+        INITIAL_CAPACITY = 1024
+    };
+
+public:
+
+    // ---------------------------------------------------------------------
+    /** Construction from a given stream with a well-defined endianness.
+     *
+     *  The StreamReader holds a permanent strong reference to the
+     *  stream, which is released upon destruction.
+     *  @param stream Input stream. The stream is not re-seeked and writing
+          continues at the current position of the stream cursor.
+     *  @param le If @c RuntimeSwitch is true: specifies whether the
+     *    stream is in little endian byte order. Otherwise the
+     *    endianness information is defined by the @c SwapEndianess
+     *    template parameter and this parameter is meaningless.  */
+    StreamWriter(std::shared_ptr<IOStream> stream, bool le = false)
+        : stream(stream)
+        , le(le)
+        , cursor()
+    {
+        ai_assert(stream);
+        buffer.reserve(INITIAL_CAPACITY);
+    }
+
+    // ---------------------------------------------------------------------
+    StreamWriter(IOStream* stream, bool le = false)
+        : stream(std::shared_ptr<IOStream>(stream))
+        , le(le)
+        , cursor()
+    {
+        ai_assert(stream);
+        buffer.reserve(INITIAL_CAPACITY);
+    }
+
+    // ---------------------------------------------------------------------
+    ~StreamWriter() {
+        stream->Write(buffer.data(), 1, buffer.size());
+        stream->Flush();
+    }
+
+public:
+
+    // ---------------------------------------------------------------------
+    /** Flush the contents of the internal buffer, and the output IOStream */
+    void Flush()
+    {
+        stream->Write(buffer.data(), 1, buffer.size());
+        stream->Flush();
+        buffer.clear();
+        cursor = 0;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Seek to the given offset / origin in the output IOStream.
+     *
+     *  Flushes the internal buffer and the output IOStream prior to seeking. */
+    aiReturn Seek(size_t pOffset, aiOrigin pOrigin=aiOrigin_SET)
+    {
+        Flush();
+        return stream->Seek(pOffset, pOrigin);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Tell the current position in the output IOStream.
+     *
+     *  First flushes the internal buffer and the output IOStream. */
+    size_t Tell()
+    {
+        Flush();
+        return stream->Tell();
+    }
+
+public:
+
+    // ---------------------------------------------------------------------
+    /** Write a float to the stream  */
+    void PutF4(float f)
+    {
+        Put(f);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a double to the stream  */
+    void PutF8(double d)    {
+        Put(d);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a signed 16 bit integer to the stream */
+    void PutI2(int16_t n)   {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a signed 8 bit integer to the stream */
+    void PutI1(int8_t n)    {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write an signed 32 bit integer to the stream */
+    void PutI4(int32_t n)   {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a signed 64 bit integer to the stream */
+    void PutI8(int64_t n)   {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a unsigned 16 bit integer to the stream */
+    void PutU2(uint16_t n)  {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a unsigned 8 bit integer to the stream */
+    void PutU1(uint8_t n)   {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write an unsigned 32 bit integer to the stream */
+    void PutU4(uint32_t n)  {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a unsigned 64 bit integer to the stream */
+    void PutU8(uint64_t n)  {
+        Put(n);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a single character to the stream */
+    void PutChar(char c)    {
+        Put(c);
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write an aiString to the stream */
+    void PutString(const aiString& s)
+    {
+        // as Put(T f) below
+        if (cursor + s.length >= buffer.size()) {
+            buffer.resize(cursor + s.length);
+        }
+        void* dest = &buffer[cursor];
+        ::memcpy(dest, s.C_Str(), s.length);
+        cursor += s.length;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Write a std::string to the stream */
+    void PutString(const std::string& s)
+    {
+        // as Put(T f) below
+        if (cursor + s.size() >= buffer.size()) {
+            buffer.resize(cursor + s.size());
+        }
+        void* dest = &buffer[cursor];
+        ::memcpy(dest, s.c_str(), s.size());
+        cursor += s.size();
+    }
+
+public:
+
+    // ---------------------------------------------------------------------
+    /** overload operator<< and allow chaining of MM ops. */
+    template <typename T>
+    StreamWriter& operator << (T f) {
+        Put(f);
+        return *this;
+    }
+
+    // ---------------------------------------------------------------------
+    std::size_t GetCurrentPos() const {
+        return cursor;
+    }
+
+    // ---------------------------------------------------------------------
+    void SetCurrentPos(std::size_t new_cursor) {
+        cursor = new_cursor;
+    }
+
+    // ---------------------------------------------------------------------
+    /** Generic write method. ByteSwap::Swap(T*) *must* be defined */
+    template <typename T>
+    void Put(T f)   {
+        Intern :: Getter<SwapEndianess,T,RuntimeSwitch>() (&f, le);
+
+        if (cursor + sizeof(T) >= buffer.size()) {
+            buffer.resize(cursor + sizeof(T));
+        }
+
+        void* dest = &buffer[cursor];
+
+        // reinterpret_cast + assignment breaks strict aliasing rules
+        // and generally causes trouble on platforms such as ARM that
+        // do not silently ignore alignment faults.
+        ::memcpy(dest, &f, sizeof(T));
+        cursor += sizeof(T);
+    }
+
+private:
+
+    std::shared_ptr<IOStream> stream;
+    bool le;
+
+    std::vector<uint8_t> buffer;
+    std::size_t cursor;
+};
+
+
+// --------------------------------------------------------------------------------------------
+// `static` StreamWriter. Their byte order is fixed and they might be a little bit faster.
+#ifdef AI_BUILD_BIG_ENDIAN
+    typedef StreamWriter<true>  StreamWriterLE;
+    typedef StreamWriter<false> StreamWriterBE;
+#else
+    typedef StreamWriter<true>  StreamWriterBE;
+    typedef StreamWriter<false> StreamWriterLE;
+#endif
+
+// `dynamic` StreamWriter. The byte order of the input data is specified in the
+// c'tor. This involves runtime branching and might be a little bit slower.
+typedef StreamWriter<true,true> StreamWriterAny;
+
+} // end namespace Assimp
+
+#endif // !! AI_STREAMWriter_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/StringComparison.h b/thirdparty/assimp/include/assimp/StringComparison.h
new file mode 100644
index 0000000000..8acef277b9
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/StringComparison.h
@@ -0,0 +1,233 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Definition of platform independent string workers:
+
+   ASSIMP_itoa10
+   ASSIMP_stricmp
+   ASSIMP_strincmp
+
+   These functions are not consistently available on all platforms,
+   or the provided implementations behave too differently.
+*/
+#ifndef INCLUDED_AI_STRING_WORKERS_H
+#define INCLUDED_AI_STRING_WORKERS_H
+
+#include <assimp/ai_assert.h>
+#include <assimp/defs.h>
+#include "StringComparison.h"
+
+#include <string.h>
+#include <stdint.h>
+#include <string>
+
+namespace Assimp    {
+
+// -------------------------------------------------------------------------------
+/** @brief itoa with a fixed base 10
+ * 'itoa' is not consistently available on all platforms so it is quite useful
+ * to have a small replacement function here. No need to use a full sprintf()
+ * if we just want to print a number ...
+ * @param out Output buffer
+ * @param max Maximum number of characters to be written, including '\0'.
+ *   This parameter may not be 0.
+ * @param number Number to be written
+ * @return Length of the output string, excluding the '\0'
+ */
+AI_FORCE_INLINE
+unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number) {
+    ai_assert(NULL != out);
+
+    // write the unary minus to indicate we have a negative number
+    unsigned int written = 1u;
+    if (number < 0 && written < max)    {
+        *out++ = '-';
+        ++written;
+        number = -number;
+    }
+
+    // We begin with the largest number that is not zero.
+    int32_t cur = 1000000000; // 2147483648
+    bool mustPrint = false;
+    while (written < max)   {
+
+        const unsigned int digit = number / cur;
+        if (mustPrint || digit > 0 || 1 == cur) {
+            // print all future zeroe's from now
+            mustPrint = true;
+
+            *out++ = '0'+static_cast<char>(digit);
+
+            ++written;
+            number -= digit*cur;
+            if (1 == cur) {
+                break;
+            }
+        }
+        cur /= 10;
+    }
+
+    // append a terminal zero
+    *out++ = '\0';
+    return written-1;
+}
+
+// -------------------------------------------------------------------------------
+/** @brief itoa with a fixed base 10 (Secure template overload)
+ *  The compiler should choose this function if he or she is able to determine the
+ *  size of the array automatically.
+ */
+template <size_t length>
+AI_FORCE_INLINE
+unsigned int ASSIMP_itoa10( char(& out)[length], int32_t number) {
+    return ASSIMP_itoa10(out,length,number);
+}
+
+// -------------------------------------------------------------------------------
+/** @brief Helper function to do platform independent string comparison.
+ *
+ *  This is required since stricmp() is not consistently available on
+ *  all platforms. Some platforms use the '_' prefix, others don't even
+ *  have such a function.
+ *
+ *  @param s1 First input string
+ *  @param s2 Second input string
+ *  @return 0 if the given strings are identical
+ */
+AI_FORCE_INLINE
+int ASSIMP_stricmp(const char *s1, const char *s2) {
+    ai_assert( NULL != s1 );
+    ai_assert( NULL != s2 );
+
+#if (defined _MSC_VER)
+
+    return ::_stricmp(s1,s2);
+#elif defined( __GNUC__ )
+
+    return ::strcasecmp(s1,s2);
+#else
+
+    char c1, c2;
+    do  {
+        c1 = tolower(*s1++);
+        c2 = tolower(*s2++);
+    }
+    while ( c1 && (c1 == c2) );
+    return c1 - c2;
+#endif
+}
+
+// -------------------------------------------------------------------------------
+/** @brief Case independent comparison of two std::strings
+ *
+ *  @param a First  string
+ *  @param b Second string
+ *  @return 0 if a == b
+ */
+AI_FORCE_INLINE
+int ASSIMP_stricmp(const std::string& a, const std::string& b) {
+    int i = (int)b.length()-(int)a.length();
+    return (i ? i : ASSIMP_stricmp(a.c_str(),b.c_str()));
+}
+
+// -------------------------------------------------------------------------------
+/** @brief Helper function to do platform independent string comparison.
+ *
+ *  This is required since strincmp() is not consistently available on
+ *  all platforms. Some platforms use the '_' prefix, others don't even
+ *  have such a function.
+ *
+ *  @param s1 First input string
+ *  @param s2 Second input string
+ *  @param n Macimum number of characters to compare
+ *  @return 0 if the given strings are identical
+ */
+AI_FORCE_INLINE
+int ASSIMP_strincmp(const char *s1, const char *s2, unsigned int n) {
+    ai_assert( NULL != s1 );
+    ai_assert( NULL != s2 );
+    if ( !n ) {
+        return 0;
+    }
+
+#if (defined _MSC_VER)
+
+    return ::_strnicmp(s1,s2,n);
+
+#elif defined( __GNUC__ )
+
+    return ::strncasecmp(s1,s2, n);
+
+#else
+    char c1, c2;
+    unsigned int p = 0;
+    do
+    {
+        if (p++ >= n)return 0;
+        c1 = tolower(*s1++);
+        c2 = tolower(*s2++);
+    }
+    while ( c1 && (c1 == c2) );
+
+    return c1 - c2;
+#endif
+}
+
+
+// -------------------------------------------------------------------------------
+/** @brief Evaluates an integer power
+ *
+ * todo: move somewhere where it fits better in than here
+ */
+AI_FORCE_INLINE
+unsigned int integer_pow( unsigned int base, unsigned int power ) {
+    unsigned int res = 1;
+    for ( unsigned int i = 0; i < power; ++i ) {
+        res *= base;
+    }
+
+    return res;
+}
+
+} // end of namespace
+
+#endif // !  AI_STRINGCOMPARISON_H_INC
diff --git a/thirdparty/assimp/include/assimp/StringUtils.h b/thirdparty/assimp/include/assimp/StringUtils.h
new file mode 100644
index 0000000000..d68b7fa479
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/StringUtils.h
@@ -0,0 +1,143 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#ifndef INCLUDED_AI_STRINGUTILS_H
+#define INCLUDED_AI_STRINGUTILS_H
+
+#include <assimp/defs.h>
+
+#include <sstream>
+#include <stdarg.h>
+#include <cstdlib>
+
+///	@fn		ai_snprintf
+///	@brief	The portable version of the function snprintf ( C99 standard ), which works on visual studio compilers 2013 and earlier.
+///	@param	outBuf		The buffer to write in
+///	@param	size		The buffer size
+///	@param	format		The format string
+///	@param	ap			The additional arguments.
+///	@return	The number of written characters if the buffer size was big enough. If an encoding error occurs, a negative number is returned.
+#if defined(_MSC_VER) && _MSC_VER < 1900
+
+    AI_FORCE_INLINE
+    int c99_ai_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap) {
+		int count(-1);
+		if (0 != size) {
+			count = _vsnprintf_s(outBuf, size, _TRUNCATE, format, ap);
+		}
+		if (count == -1) {
+			count = _vscprintf(format, ap);
+		}
+
+		return count;
+	}
+
+    AI_FORCE_INLINE
+    int ai_snprintf(char *outBuf, size_t size, const char *format, ...) {
+		int count;
+		va_list ap;
+
+		va_start(ap, format);
+		count = c99_ai_vsnprintf(outBuf, size, format, ap);
+		va_end(ap);
+
+		return count;
+	}
+
+#else
+#   define ai_snprintf snprintf
+#endif
+
+///	@fn		to_string
+///	@brief	The portable version of to_string ( some gcc-versions on embedded devices are not supporting this).
+///	@param	value   The value to write into the std::string.
+///	@return	The value as a std::string
+template <typename T>
+AI_FORCE_INLINE
+std::string to_string( T value ) {
+    std::ostringstream os;
+    os << value;
+
+    return os.str();
+}
+
+///	@fn		ai_strtof
+///	@brief	The portable version of strtof.
+///	@param	begin   The first character of the string.
+/// @param  end     The last character
+///	@return	The float value, 0.0f in cas of an error.
+AI_FORCE_INLINE
+float ai_strtof( const char *begin, const char *end ) {
+    if ( nullptr == begin ) {
+        return 0.0f;
+    }
+    float val( 0.0f );
+    if ( nullptr == end ) {
+        val = static_cast< float >( ::atof( begin ) );
+    } else {
+        std::string::size_type len( end - begin );
+        std::string token( begin, len );
+        val = static_cast< float >( ::atof( token.c_str() ) );
+    }
+
+    return val;
+}
+
+///	@fn		DecimalToHexa
+///	@brief	The portable to convert a decimal value into a hexadecimal string.
+///	@param	toConvert   Value to convert
+///	@return	The hexadecimal string, is empty in case of an error.
+template<class T>
+AI_FORCE_INLINE
+std::string DecimalToHexa( T toConvert ) {
+    std::string result;
+    std::stringstream ss;
+    ss << std::hex << toConvert;
+    ss >> result;
+
+    for ( size_t i = 0; i < result.size(); ++i ) {
+        result[ i ] = toupper( result[ i ] );
+    }
+
+    return result;
+}
+
+#endif // INCLUDED_AI_STRINGUTILS_H
diff --git a/thirdparty/assimp/include/assimp/Subdivision.h b/thirdparty/assimp/include/assimp/Subdivision.h
new file mode 100644
index 0000000000..43feb73b30
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Subdivision.h
@@ -0,0 +1,131 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines a helper class to evaluate subdivision surfaces.*/
+#pragma once
+#ifndef AI_SUBDISIVION_H_INC
+#define AI_SUBDISIVION_H_INC
+
+#include <cstddef>
+#include <assimp/types.h>
+
+struct aiMesh;
+
+namespace Assimp    {
+
+// ------------------------------------------------------------------------------
+/** Helper class to evaluate subdivision surfaces. Different algorithms
+ *  are provided for choice. */
+// ------------------------------------------------------------------------------
+class ASSIMP_API Subdivider {
+public:
+
+    /** Enumerates all supported subvidision algorithms */
+    enum Algorithm  {
+        CATMULL_CLARKE = 0x1
+    };
+
+    virtual ~Subdivider();
+
+    // ---------------------------------------------------------------
+    /** Create a subdivider of a specific type
+     *
+     *  @param algo Algorithm to be used for subdivision
+     *  @return Subdivider instance. */
+    static Subdivider* Create (Algorithm algo);
+
+    // ---------------------------------------------------------------
+    /** Subdivide a mesh using the selected algorithm
+     *
+     *  @param mesh First mesh to be subdivided. Must be in verbose
+     *    format.
+     *  @param out Receives the output mesh, allocated by me.
+     *  @param num Number of subdivisions to perform.
+     *  @param discard_input If true is passed, the input mesh is
+     *    deleted after the subdivision is complete. This can
+     *    improve performance because it allows the optimization
+     *    to reuse the existing mesh for intermediate results.
+     *  @pre out!=mesh*/
+    virtual void Subdivide ( aiMesh* mesh,
+        aiMesh*& out, unsigned int num,
+        bool discard_input = false) = 0;
+
+    // ---------------------------------------------------------------
+    /** Subdivide multiple meshes using the selected algorithm. This
+     *  avoids erroneous smoothing on objects consisting of multiple
+     *  per-material meshes. Usually, most 3d modellers smooth on a
+     *  per-object base, regardless the materials assigned to the
+     *  meshes.
+     *
+     *  @param smesh Array of meshes to be subdivided. Must be in
+     *    verbose format.
+     *  @param nmesh Number of meshes in smesh.
+     *  @param out Receives the output meshes. The array must be
+     *    sufficiently large (at least @c nmesh elements) and may not
+     *    overlap the input array. Output meshes map one-to-one to
+     *    their corresponding input meshes. The meshes are allocated
+     *    by the function.
+     *  @param discard_input If true is passed, input meshes are
+     *    deleted after the subdivision is complete. This can
+     *    improve performance because it allows the optimization
+     *    of reusing existing meshes for intermediate results.
+     *  @param num Number of subdivisions to perform.
+     *  @pre nmesh != 0, smesh and out may not overlap*/
+    virtual void Subdivide (
+        aiMesh** smesh,
+        size_t nmesh,
+        aiMesh** out,
+        unsigned int num,
+        bool discard_input = false) = 0;
+
+};
+
+inline
+Subdivider::~Subdivider() {
+    // empty
+}
+
+} // end namespace Assimp
+
+
+#endif // !!  AI_SUBDISIVION_H_INC
+
diff --git a/thirdparty/assimp/include/assimp/TinyFormatter.h b/thirdparty/assimp/include/assimp/TinyFormatter.h
new file mode 100644
index 0000000000..1226b482e6
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/TinyFormatter.h
@@ -0,0 +1,166 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  TinyFormatter.h
+ *  @brief Utility to format log messages more easily. Introduced
+ *    to get rid of the boost::format dependency. Much slinker,
+ *    basically just extends stringstream.
+ */
+#ifndef INCLUDED_TINY_FORMATTER_H
+#define INCLUDED_TINY_FORMATTER_H
+
+#include <sstream>
+
+namespace Assimp {
+namespace Formatter {
+
+// ------------------------------------------------------------------------------------------------
+/** stringstream utility. Usage:
+ *  @code
+ *  void writelog(const std::string&s);
+ *  void writelog(const std::wstring&s);
+ *  ...
+ *  writelog(format()<< "hi! this is a number: " << 4);
+ *  writelog(wformat()<< L"hi! this is a number: " << 4);
+ *
+ *  @endcode */
+template < typename T,
+    typename CharTraits = std::char_traits<T>,
+    typename Allocator  = std::allocator<T>
+>
+class basic_formatter
+{
+
+public:
+
+    typedef class std::basic_string<
+        T,CharTraits,Allocator
+    > string;
+
+    typedef class std::basic_ostringstream<
+        T,CharTraits,Allocator
+    > stringstream;
+
+public:
+
+    basic_formatter() {}
+
+    /* Allow basic_formatter<T>'s to be used almost interchangeably
+     * with std::(w)string or const (w)char* arguments because the
+     * conversion c'tor is called implicitly. */
+    template <typename TT>
+    basic_formatter(const TT& sin)  {
+        underlying << sin;
+    }
+
+
+    // The problem described here:
+    // https://sourceforge.net/tracker/?func=detail&atid=1067632&aid=3358562&group_id=226462
+    // can also cause trouble here. Apparently, older gcc versions sometimes copy temporaries
+    // being bound to const ref& function parameters. Copying streams is not permitted, though.
+    // This workaround avoids this by manually specifying a copy ctor.
+#if !defined(__GNUC__) || !defined(__APPLE__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
+    explicit basic_formatter(const basic_formatter& other) {
+        underlying << (string)other;
+    }
+#endif
+
+
+public:
+
+    operator string () const {
+        return underlying.str();
+    }
+
+
+    /* note - this is declared const because binding temporaries does only
+     * work for const references, so many function prototypes will
+     * include const basic_formatter<T>& s but might still want to
+     * modify the formatted string without the need for a full copy.*/
+    template <typename TToken>
+    const basic_formatter& operator << (const TToken& s) const {
+        underlying << s;
+        return *this;
+    }
+
+    template <typename TToken>
+    basic_formatter& operator << (const TToken& s) {
+        underlying << s;
+        return *this;
+    }
+
+
+    // comma operator overloaded as well, choose your preferred way.
+    template <typename TToken>
+    const basic_formatter& operator, (const TToken& s) const {
+        underlying << s;
+        return *this;
+    }
+
+    template <typename TToken>
+    basic_formatter& operator, (const TToken& s) {
+        underlying << s;
+        return *this;
+    }
+
+    // Fix for MSVC8
+    // See https://sourceforge.net/projects/assimp/forums/forum/817654/topic/4372824
+    template <typename TToken>
+    basic_formatter& operator, (TToken& s) {
+        underlying << s;
+        return *this;
+    }
+
+
+private:
+    mutable stringstream underlying;
+};
+
+
+typedef basic_formatter< char > format;
+typedef basic_formatter< wchar_t > wformat;
+
+} // ! namespace Formatter
+
+} // ! namespace Assimp
+
+#endif
diff --git a/thirdparty/assimp/include/assimp/Vertex.h b/thirdparty/assimp/include/assimp/Vertex.h
new file mode 100644
index 0000000000..2a7f0256ad
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/Vertex.h
@@ -0,0 +1,348 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+/** @file Defines a helper class to represent an interleaved vertex
+  along with arithmetic operations to support vertex operations
+  such as subdivision, smoothing etc.
+
+  While the code is kept as general as possible, arithmetic operations
+  that are not currently well-defined (and would cause compile errors
+  due to missing operators in the math library), are commented.
+  */
+#ifndef AI_VERTEX_H_INC
+#define AI_VERTEX_H_INC
+
+#include <assimp/vector3.h>
+#include <assimp/mesh.h>
+#include <assimp/ai_assert.h>
+#include <functional>
+
+namespace Assimp    {
+
+    ///////////////////////////////////////////////////////////////////////////
+    // std::plus-family operates on operands with identical types - we need to
+    // support all the (vectype op float) combinations in vector maths.
+    // Providing T(float) would open the way to endless implicit conversions.
+    ///////////////////////////////////////////////////////////////////////////
+    namespace Intern {
+        template <typename T0, typename T1, typename TRES = T0> struct plus {
+            TRES operator() (const T0& t0, const T1& t1) const {
+                return t0+t1;
+            }
+        };
+        template <typename T0, typename T1, typename TRES = T0> struct minus {
+            TRES operator() (const T0& t0, const T1& t1) const {
+                return t0-t1;
+            }
+        };
+        template <typename T0, typename T1, typename TRES = T0> struct multiplies {
+            TRES operator() (const T0& t0, const T1& t1) const {
+                return t0*t1;
+            }
+        };
+        template <typename T0, typename T1, typename TRES = T0> struct divides {
+            TRES operator() (const T0& t0, const T1& t1) const {
+                return t0/t1;
+            }
+        };
+    }
+
+// ------------------------------------------------------------------------------------------------
+/** Intermediate description a vertex with all possible components. Defines a full set of
+ *  operators, so you may use such a 'Vertex' in basic arithmetics. All operators are applied
+ *  to *all* vertex components equally. This is useful for stuff like interpolation
+ *  or subdivision, but won't work if special handling is required for some vertex components. */
+// ------------------------------------------------------------------------------------------------
+class Vertex
+{
+    friend Vertex operator + (const Vertex&,const Vertex&);
+    friend Vertex operator - (const Vertex&,const Vertex&);
+
+//  friend Vertex operator + (const Vertex&,ai_real);
+//  friend Vertex operator - (const Vertex&,ai_real);
+    friend Vertex operator * (const Vertex&,ai_real);
+    friend Vertex operator / (const Vertex&,ai_real);
+
+//  friend Vertex operator + (ai_real, const Vertex&);
+//  friend Vertex operator - (ai_real, const Vertex&);
+    friend Vertex operator * (ai_real, const Vertex&);
+//  friend Vertex operator / (ai_real, const Vertex&);
+
+public:
+
+    Vertex() {}
+
+    // ----------------------------------------------------------------------------
+    /** Extract a particular vertex from a mesh and interleave all components */
+    explicit Vertex(const aiMesh* msh, unsigned int idx) {
+        ai_assert(idx < msh->mNumVertices);
+        position = msh->mVertices[idx];
+
+        if (msh->HasNormals()) {
+            normal = msh->mNormals[idx];
+        }
+
+        if (msh->HasTangentsAndBitangents()) {
+            tangent = msh->mTangents[idx];
+            bitangent = msh->mBitangents[idx];
+        }
+
+        for (unsigned int i = 0; msh->HasTextureCoords(i); ++i) {
+            texcoords[i] = msh->mTextureCoords[i][idx];
+        }
+
+        for (unsigned int i = 0; msh->HasVertexColors(i); ++i) {
+            colors[i] = msh->mColors[i][idx];
+        }
+    }
+
+    // ----------------------------------------------------------------------------
+    /** Extract a particular vertex from a anim mesh and interleave all components */
+    explicit Vertex(const aiAnimMesh* msh, unsigned int idx) {
+        ai_assert(idx < msh->mNumVertices);
+        position = msh->mVertices[idx];
+
+        if (msh->HasNormals()) {
+            normal = msh->mNormals[idx];
+        }
+
+        if (msh->HasTangentsAndBitangents()) {
+            tangent = msh->mTangents[idx];
+            bitangent = msh->mBitangents[idx];
+        }
+
+        for (unsigned int i = 0; msh->HasTextureCoords(i); ++i) {
+            texcoords[i] = msh->mTextureCoords[i][idx];
+        }
+
+        for (unsigned int i = 0; msh->HasVertexColors(i); ++i) {
+           colors[i] = msh->mColors[i][idx];
+        }
+    }
+
+public:
+
+    Vertex& operator += (const Vertex& v) {
+        *this = *this+v;
+        return *this;
+    }
+
+    Vertex& operator -= (const Vertex& v) {
+        *this = *this-v;
+        return *this;
+    }
+
+
+/*
+    Vertex& operator += (ai_real v) {
+        *this = *this+v;
+        return *this;
+    }
+
+    Vertex& operator -= (ai_real v) {
+        *this = *this-v;
+        return *this;
+    }
+*/
+    Vertex& operator *= (ai_real v) {
+        *this = *this*v;
+        return *this;
+    }
+
+    Vertex& operator /= (ai_real v) {
+        *this = *this/v;
+        return *this;
+    }
+
+public:
+
+    // ----------------------------------------------------------------------------
+    /** Convert back to non-interleaved storage */
+    void SortBack(aiMesh* out, unsigned int idx) const {
+
+        ai_assert(idx<out->mNumVertices);
+        out->mVertices[idx] = position;
+
+        if (out->HasNormals()) {
+            out->mNormals[idx] = normal;
+        }
+
+        if (out->HasTangentsAndBitangents()) {
+            out->mTangents[idx] = tangent;
+            out->mBitangents[idx] = bitangent;
+        }
+
+        for(unsigned int i = 0; out->HasTextureCoords(i); ++i) {
+            out->mTextureCoords[i][idx] = texcoords[i];
+        }
+
+        for(unsigned int i = 0; out->HasVertexColors(i); ++i) {
+            out->mColors[i][idx] = colors[i];
+        }
+    }
+
+private:
+
+    // ----------------------------------------------------------------------------
+    /** Construct from two operands and a binary operation to combine them */
+    template <template <typename t> class op> static Vertex BinaryOp(const Vertex& v0, const Vertex& v1) {
+        // this is a heavy task for the compiler to optimize ... *pray*
+
+        Vertex res;
+        res.position  = op<aiVector3D>()(v0.position,v1.position);
+        res.normal    = op<aiVector3D>()(v0.normal,v1.normal);
+        res.tangent   = op<aiVector3D>()(v0.tangent,v1.tangent);
+        res.bitangent = op<aiVector3D>()(v0.bitangent,v1.bitangent);
+
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+            res.texcoords[i] = op<aiVector3D>()(v0.texcoords[i],v1.texcoords[i]);
+        }
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
+            res.colors[i] = op<aiColor4D>()(v0.colors[i],v1.colors[i]);
+        }
+        return res;
+    }
+
+    // ----------------------------------------------------------------------------
+    /** This time binary arithmetics of v0 with a floating-point number */
+    template <template <typename, typename, typename> class op> static Vertex BinaryOp(const Vertex& v0, ai_real f) {
+        // this is a heavy task for the compiler to optimize ... *pray*
+
+        Vertex res;
+        res.position  = op<aiVector3D,ai_real,aiVector3D>()(v0.position,f);
+        res.normal    = op<aiVector3D,ai_real,aiVector3D>()(v0.normal,f);
+        res.tangent   = op<aiVector3D,ai_real,aiVector3D>()(v0.tangent,f);
+        res.bitangent = op<aiVector3D,ai_real,aiVector3D>()(v0.bitangent,f);
+
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+            res.texcoords[i] = op<aiVector3D,ai_real,aiVector3D>()(v0.texcoords[i],f);
+        }
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
+            res.colors[i] = op<aiColor4D,ai_real,aiColor4D>()(v0.colors[i],f);
+        }
+        return res;
+    }
+
+    // ----------------------------------------------------------------------------
+    /** This time binary arithmetics of v0 with a floating-point number */
+    template <template <typename, typename, typename> class op> static Vertex BinaryOp(ai_real f, const Vertex& v0) {
+        // this is a heavy task for the compiler to optimize ... *pray*
+
+        Vertex res;
+        res.position  = op<ai_real,aiVector3D,aiVector3D>()(f,v0.position);
+        res.normal    = op<ai_real,aiVector3D,aiVector3D>()(f,v0.normal);
+        res.tangent   = op<ai_real,aiVector3D,aiVector3D>()(f,v0.tangent);
+        res.bitangent = op<ai_real,aiVector3D,aiVector3D>()(f,v0.bitangent);
+
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
+            res.texcoords[i] = op<ai_real,aiVector3D,aiVector3D>()(f,v0.texcoords[i]);
+        }
+        for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_COLOR_SETS; ++i) {
+            res.colors[i] = op<ai_real,aiColor4D,aiColor4D>()(f,v0.colors[i]);
+        }
+        return res;
+    }
+
+public:
+
+    aiVector3D position;
+    aiVector3D normal;
+    aiVector3D tangent, bitangent;
+
+    aiVector3D texcoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+    aiColor4D colors[AI_MAX_NUMBER_OF_COLOR_SETS];
+};
+
+
+
+// ------------------------------------------------------------------------------------------------
+AI_FORCE_INLINE Vertex operator + (const Vertex& v0,const Vertex& v1) {
+    return Vertex::BinaryOp<std::plus>(v0,v1);
+}
+
+AI_FORCE_INLINE Vertex operator - (const Vertex& v0,const Vertex& v1) {
+    return Vertex::BinaryOp<std::minus>(v0,v1);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+/*
+AI_FORCE_INLINE Vertex operator + (const Vertex& v0,ai_real f) {
+    return Vertex::BinaryOp<Intern::plus>(v0,f);
+}
+
+AI_FORCE_INLINE Vertex operator - (const Vertex& v0,ai_real f) {
+    return Vertex::BinaryOp<Intern::minus>(v0,f);
+}
+
+*/
+
+AI_FORCE_INLINE Vertex operator * (const Vertex& v0,ai_real f) {
+    return Vertex::BinaryOp<Intern::multiplies>(v0,f);
+}
+
+AI_FORCE_INLINE Vertex operator / (const Vertex& v0,ai_real f) {
+    return Vertex::BinaryOp<Intern::multiplies>(v0,1.f/f);
+}
+
+// ------------------------------------------------------------------------------------------------
+/*
+AI_FORCE_INLINE Vertex operator + (ai_real f,const Vertex& v0) {
+    return Vertex::BinaryOp<Intern::plus>(f,v0);
+}
+
+AI_FORCE_INLINE Vertex operator - (ai_real f,const Vertex& v0) {
+    return Vertex::BinaryOp<Intern::minus>(f,v0);
+}
+*/
+
+AI_FORCE_INLINE Vertex operator * (ai_real f,const Vertex& v0) {
+    return Vertex::BinaryOp<Intern::multiplies>(f,v0);
+}
+
+/*
+AI_FORCE_INLINE Vertex operator / (ai_real f,const Vertex& v0) {
+    return Vertex::BinaryOp<Intern::divides>(f,v0);
+}
+*/
+
+}
+#endif
diff --git a/thirdparty/assimp/include/assimp/XMLTools.h b/thirdparty/assimp/include/assimp/XMLTools.h
new file mode 100644
index 0000000000..b0d3276873
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/XMLTools.h
@@ -0,0 +1,83 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef INCLUDED_ASSIMP_XML_TOOLS_H
+#define INCLUDED_ASSIMP_XML_TOOLS_H
+
+#include <string>
+
+namespace Assimp {
+    // XML escape the 5 XML special characters (",',<,> and &) in |data|
+    // Based on http://stackoverflow.com/questions/5665231
+    std::string XMLEscape(const std::string& data) {
+        std::string buffer;
+
+        const size_t size = data.size();
+        buffer.reserve(size + size / 8);
+        for(size_t i = 0; i < size; ++i) {
+            const char c = data[i];
+            switch(c) {
+                case '&' :
+                    buffer.append("&amp;");
+                    break;
+                case '\"':
+                    buffer.append("&quot;");
+                    break;
+                case '\'':
+                    buffer.append("&apos;");
+                    break;
+                case '<' :
+                    buffer.append("&lt;");
+                    break;
+                case '>' :
+                    buffer.append("&gt;");
+                    break;
+                default:
+                    buffer.append(&c, 1);
+                    break;
+            }
+        }
+        return buffer;
+    }
+}
+
+#endif // INCLUDED_ASSIMP_XML_TOOLS_H
diff --git a/thirdparty/assimp/include/assimp/ai_assert.h b/thirdparty/assimp/include/assimp/ai_assert.h
new file mode 100644
index 0000000000..e5de5d3f36
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/ai_assert.h
@@ -0,0 +1,57 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#pragma once
+#ifndef AI_ASSERT_H_INC
+#define AI_ASSERT_H_INC
+
+#ifdef ASSIMP_BUILD_DEBUG
+#   include <assert.h>
+#   define ai_assert(expression) assert( expression )
+#   define ai_assert_entry()     assert( false )
+#else
+#   define  ai_assert(expression)
+#   define  ai_assert_entry() 
+#endif // ASSIMP_BUILD_DEBUG
+
+#endif // AI_ASSERT_H_INC
+
diff --git a/thirdparty/assimp/include/assimp/anim.h b/thirdparty/assimp/include/assimp/anim.h
new file mode 100644
index 0000000000..02e92739ec
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/anim.h
@@ -0,0 +1,577 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** 
+  * @file   anim.h
+  * @brief  Defines the data structures in which the imported animations
+  *         are returned.
+  */
+#pragma once
+#ifndef AI_ANIM_H_INC
+#define AI_ANIM_H_INC
+
+#include <assimp/types.h>
+#include <assimp/quaternion.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+/** A time-value pair specifying a certain 3D vector for the given time. */
+struct aiVectorKey
+{
+    /** The time of this key */
+    double mTime;
+
+    /** The value of this key */
+    C_STRUCT aiVector3D mValue;
+
+#ifdef __cplusplus
+
+    /// @brief  The default constructor.
+    aiVectorKey() AI_NO_EXCEPT
+    : mTime( 0.0 )
+    , mValue() {
+        // empty
+    }
+
+    /// @brief  Construction from a given time and key value.
+
+    aiVectorKey(double time, const aiVector3D& value)
+    : mTime( time )
+    , mValue( value ) {
+        // empty
+    }
+
+    typedef aiVector3D elem_type;
+
+    // Comparison operators. For use with std::find();
+    bool operator == (const aiVectorKey& rhs) const {
+        return rhs.mValue == this->mValue;
+    }
+    bool operator != (const aiVectorKey& rhs ) const {
+        return rhs.mValue != this->mValue;
+    }
+
+    // Relational operators. For use with std::sort();
+    bool operator < (const aiVectorKey& rhs ) const {
+        return mTime < rhs.mTime;
+    }
+    bool operator > (const aiVectorKey& rhs ) const {
+        return mTime > rhs.mTime;
+    }
+#endif // __cplusplus
+};
+
+// ---------------------------------------------------------------------------
+/** A time-value pair specifying a rotation for the given time.
+ *  Rotations are expressed with quaternions. */
+struct aiQuatKey
+{
+    /** The time of this key */
+    double mTime;
+
+    /** The value of this key */
+    C_STRUCT aiQuaternion mValue;
+
+#ifdef __cplusplus
+    aiQuatKey() AI_NO_EXCEPT
+    : mTime( 0.0 )
+    , mValue() {
+        // empty
+    }
+
+    /** Construction from a given time and key value */
+    aiQuatKey(double time, const aiQuaternion& value)
+        :   mTime   (time)
+        ,   mValue  (value)
+    {}
+
+    typedef aiQuaternion elem_type;
+
+    // Comparison operators. For use with std::find();
+    bool operator == (const aiQuatKey& rhs ) const {
+        return rhs.mValue == this->mValue;
+    }
+    bool operator != (const aiQuatKey& rhs ) const {
+        return rhs.mValue != this->mValue;
+    }
+
+    // Relational operators. For use with std::sort();
+    bool operator < (const aiQuatKey& rhs ) const {
+        return mTime < rhs.mTime;
+    }
+    bool operator > (const aiQuatKey& rhs ) const {
+        return mTime > rhs.mTime;
+    }
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Binds a anim-mesh to a specific point in time. */
+struct aiMeshKey
+{
+    /** The time of this key */
+    double mTime;
+
+    /** Index into the aiMesh::mAnimMeshes array of the
+     *  mesh corresponding to the #aiMeshAnim hosting this
+     *  key frame. The referenced anim mesh is evaluated
+     *  according to the rules defined in the docs for #aiAnimMesh.*/
+    unsigned int mValue;
+
+#ifdef __cplusplus
+
+    aiMeshKey() AI_NO_EXCEPT
+    : mTime(0.0)
+    , mValue(0)
+    {
+    }
+
+    /** Construction from a given time and key value */
+    aiMeshKey(double time, const unsigned int value)
+        :   mTime   (time)
+        ,   mValue  (value)
+    {}
+
+    typedef unsigned int elem_type;
+
+    // Comparison operators. For use with std::find();
+    bool operator == (const aiMeshKey& o) const {
+        return o.mValue == this->mValue;
+    }
+    bool operator != (const aiMeshKey& o) const {
+        return o.mValue != this->mValue;
+    }
+
+    // Relational operators. For use with std::sort();
+    bool operator < (const aiMeshKey& o) const {
+        return mTime < o.mTime;
+    }
+    bool operator > (const aiMeshKey& o) const {
+        return mTime > o.mTime;
+    }
+
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Binds a morph anim mesh to a specific point in time. */
+struct aiMeshMorphKey
+{
+    /** The time of this key */
+    double mTime;
+
+    /** The values and weights at the time of this key */
+    unsigned int *mValues;
+    double *mWeights;
+
+    /** The number of values and weights */
+    unsigned int mNumValuesAndWeights;
+#ifdef __cplusplus
+	aiMeshMorphKey() AI_NO_EXCEPT
+		: mTime(0.0)
+		, mValues(nullptr)
+		, mWeights(nullptr)
+		, mNumValuesAndWeights(0)
+	{
+
+	}
+
+    ~aiMeshMorphKey()
+    {
+        if (mNumValuesAndWeights && mValues && mWeights) {
+            delete [] mValues;
+            delete [] mWeights;
+        }
+    }
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Defines how an animation channel behaves outside the defined time
+ *  range. This corresponds to aiNodeAnim::mPreState and
+ *  aiNodeAnim::mPostState.*/
+enum aiAnimBehaviour
+{
+    /** The value from the default node transformation is taken*/
+    aiAnimBehaviour_DEFAULT  = 0x0,
+
+    /** The nearest key value is used without interpolation */
+    aiAnimBehaviour_CONSTANT = 0x1,
+
+    /** The value of the nearest two keys is linearly
+     *  extrapolated for the current time value.*/
+    aiAnimBehaviour_LINEAR   = 0x2,
+
+    /** The animation is repeated.
+     *
+     *  If the animation key go from n to m and the current
+     *  time is t, use the value at (t-n) % (|m-n|).*/
+    aiAnimBehaviour_REPEAT   = 0x3,
+
+    /** This value is not used, it is just here to force the
+     *  the compiler to map this enum to a 32 Bit integer  */
+#ifndef SWIG
+    _aiAnimBehaviour_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Describes the animation of a single node. The name specifies the
+ *  bone/node which is affected by this animation channel. The keyframes
+ *  are given in three separate series of values, one each for position,
+ *  rotation and scaling. The transformation matrix computed from these
+ *  values replaces the node's original transformation matrix at a
+ *  specific time.
+ *  This means all keys are absolute and not relative to the bone default pose.
+ *  The order in which the transformations are applied is
+ *  - as usual - scaling, rotation, translation.
+ *
+ *  @note All keys are returned in their correct, chronological order.
+ *  Duplicate keys don't pass the validation step. Most likely there
+ *  will be no negative time values, but they are not forbidden also ( so
+ *  implementations need to cope with them! ) */
+struct aiNodeAnim {
+    /** The name of the node affected by this animation. The node
+     *  must exist and it must be unique.*/
+    C_STRUCT aiString mNodeName;
+
+    /** The number of position keys */
+    unsigned int mNumPositionKeys;
+
+    /** The position keys of this animation channel. Positions are
+     * specified as 3D vector. The array is mNumPositionKeys in size.
+     *
+     * If there are position keys, there will also be at least one
+     * scaling and one rotation key.*/
+    C_STRUCT aiVectorKey* mPositionKeys;
+
+    /** The number of rotation keys */
+    unsigned int mNumRotationKeys;
+
+    /** The rotation keys of this animation channel. Rotations are
+     *  given as quaternions,  which are 4D vectors. The array is
+     *  mNumRotationKeys in size.
+     *
+     * If there are rotation keys, there will also be at least one
+     * scaling and one position key. */
+    C_STRUCT aiQuatKey* mRotationKeys;
+
+    /** The number of scaling keys */
+    unsigned int mNumScalingKeys;
+
+    /** The scaling keys of this animation channel. Scalings are
+     *  specified as 3D vector. The array is mNumScalingKeys in size.
+     *
+     * If there are scaling keys, there will also be at least one
+     * position and one rotation key.*/
+    C_STRUCT aiVectorKey* mScalingKeys;
+
+    /** Defines how the animation behaves before the first
+     *  key is encountered.
+     *
+     *  The default value is aiAnimBehaviour_DEFAULT (the original
+     *  transformation matrix of the affected node is used).*/
+    C_ENUM aiAnimBehaviour mPreState;
+
+    /** Defines how the animation behaves after the last
+     *  key was processed.
+     *
+     *  The default value is aiAnimBehaviour_DEFAULT (the original
+     *  transformation matrix of the affected node is taken).*/
+    C_ENUM aiAnimBehaviour mPostState;
+
+#ifdef __cplusplus
+    aiNodeAnim() AI_NO_EXCEPT
+    : mNumPositionKeys( 0 )
+    , mPositionKeys( nullptr )
+    , mNumRotationKeys( 0 )
+    , mRotationKeys( nullptr )
+    , mNumScalingKeys( 0 )
+    , mScalingKeys( nullptr )
+    , mPreState( aiAnimBehaviour_DEFAULT )
+    , mPostState( aiAnimBehaviour_DEFAULT ) {
+         // empty
+    }
+
+    ~aiNodeAnim() {
+        delete [] mPositionKeys;
+        delete [] mRotationKeys;
+        delete [] mScalingKeys;
+    }
+#endif // __cplusplus
+};
+
+// ---------------------------------------------------------------------------
+/** Describes vertex-based animations for a single mesh or a group of
+ *  meshes. Meshes carry the animation data for each frame in their
+ *  aiMesh::mAnimMeshes array. The purpose of aiMeshAnim is to
+ *  define keyframes linking each mesh attachment to a particular
+ *  point in time. */
+struct aiMeshAnim
+{
+    /** Name of the mesh to be animated. An empty string is not allowed,
+     *  animated meshes need to be named (not necessarily uniquely,
+     *  the name can basically serve as wild-card to select a group
+     *  of meshes with similar animation setup)*/
+    C_STRUCT aiString mName;
+
+    /** Size of the #mKeys array. Must be 1, at least. */
+    unsigned int mNumKeys;
+
+    /** Key frames of the animation. May not be NULL. */
+    C_STRUCT aiMeshKey* mKeys;
+
+#ifdef __cplusplus
+
+    aiMeshAnim() AI_NO_EXCEPT
+        : mNumKeys()
+        , mKeys()
+    {}
+
+    ~aiMeshAnim()
+    {
+        delete[] mKeys;
+    }
+
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Describes a morphing animation of a given mesh. */
+struct aiMeshMorphAnim
+{
+    /** Name of the mesh to be animated. An empty string is not allowed,
+     *  animated meshes need to be named (not necessarily uniquely,
+     *  the name can basically serve as wildcard to select a group
+     *  of meshes with similar animation setup)*/
+    C_STRUCT aiString mName;
+
+    /** Size of the #mKeys array. Must be 1, at least. */
+    unsigned int mNumKeys;
+
+    /** Key frames of the animation. May not be NULL. */
+    C_STRUCT aiMeshMorphKey* mKeys;
+
+#ifdef __cplusplus
+
+    aiMeshMorphAnim() AI_NO_EXCEPT
+        : mNumKeys()
+        , mKeys()
+    {}
+
+    ~aiMeshMorphAnim()
+    {
+        delete[] mKeys;
+    }
+
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** An animation consists of key-frame data for a number of nodes. For
+ *  each node affected by the animation a separate series of data is given.*/
+struct aiAnimation {
+    /** The name of the animation. If the modeling package this data was
+     *  exported from does support only a single animation channel, this
+     *  name is usually empty (length is zero). */
+    C_STRUCT aiString mName;
+
+    /** Duration of the animation in ticks.  */
+    double mDuration;
+
+    /** Ticks per second. 0 if not specified in the imported file */
+    double mTicksPerSecond;
+
+    /** The number of bone animation channels. Each channel affects
+     *  a single node. */
+    unsigned int mNumChannels;
+
+    /** The node animation channels. Each channel affects a single node.
+     *  The array is mNumChannels in size. */
+    C_STRUCT aiNodeAnim** mChannels;
+
+
+    /** The number of mesh animation channels. Each channel affects
+     *  a single mesh and defines vertex-based animation. */
+    unsigned int mNumMeshChannels;
+
+    /** The mesh animation channels. Each channel affects a single mesh.
+     *  The array is mNumMeshChannels in size. */
+    C_STRUCT aiMeshAnim** mMeshChannels;
+
+    /** The number of mesh animation channels. Each channel affects
+     *  a single mesh and defines morphing animation. */
+    unsigned int mNumMorphMeshChannels;
+
+    /** The morph mesh animation channels. Each channel affects a single mesh.
+     *  The array is mNumMorphMeshChannels in size. */
+    C_STRUCT aiMeshMorphAnim **mMorphMeshChannels;
+
+#ifdef __cplusplus
+    aiAnimation() AI_NO_EXCEPT
+    : mDuration(-1.)
+    , mTicksPerSecond(0.)
+    , mNumChannels(0)
+    , mChannels(nullptr)
+    , mNumMeshChannels(0)
+    , mMeshChannels(nullptr)
+    , mNumMorphMeshChannels(0)
+    , mMorphMeshChannels(nullptr) {
+        // empty
+    }
+
+    ~aiAnimation() {
+        // DO NOT REMOVE THIS ADDITIONAL CHECK
+        if ( mNumChannels && mChannels )  {
+            for( unsigned int a = 0; a < mNumChannels; a++) {
+                delete mChannels[ a ];
+            }
+
+            delete [] mChannels;
+        }
+        if (mNumMeshChannels && mMeshChannels)  {
+            for( unsigned int a = 0; a < mNumMeshChannels; a++) {
+                delete mMeshChannels[a];
+            }
+
+            delete [] mMeshChannels;
+        }
+        if (mNumMorphMeshChannels && mMorphMeshChannels) {
+                for( unsigned int a = 0; a < mNumMorphMeshChannels; a++) {
+                        delete mMorphMeshChannels[a];
+                }
+            
+            delete [] mMorphMeshChannels;
+        }
+    }
+#endif // __cplusplus
+};
+
+#ifdef __cplusplus
+
+}
+
+/// @brief  Some C++ utilities for inter- and extrapolation
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** 
+  * @brief CPP-API: Utility class to simplify interpolations of various data types.
+  *
+  *  The type of interpolation is chosen automatically depending on the
+  *  types of the arguments. 
+  */
+template <typename T>
+struct Interpolator
+{
+    // ------------------------------------------------------------------
+    /** @brief Get the result of the interpolation between a,b.
+     *
+     *  The interpolation algorithm depends on the type of the operands.
+     *  aiQuaternion's and aiQuatKey's SLERP, the rest does a simple
+     *  linear interpolation. */
+    void operator () (T& out,const T& a, const T& b, ai_real d) const {
+        out = a + (b-a)*d;
+    }
+}; // ! Interpolator <T>
+
+//! @cond Never
+
+template <>
+struct Interpolator <aiQuaternion>  {
+    void operator () (aiQuaternion& out,const aiQuaternion& a,
+        const aiQuaternion& b, ai_real d) const
+    {
+        aiQuaternion::Interpolate(out,a,b,d);
+    }
+}; // ! Interpolator <aiQuaternion>
+
+template <>
+struct Interpolator <unsigned int>  {
+    void operator () (unsigned int& out,unsigned int a,
+        unsigned int b, ai_real d) const
+    {
+        out = d>0.5f ? b : a;
+    }
+}; // ! Interpolator <aiQuaternion>
+
+template <>
+struct Interpolator<aiVectorKey>  {
+    void operator () (aiVector3D& out,const aiVectorKey& a,
+        const aiVectorKey& b, ai_real d) const
+    {
+        Interpolator<aiVector3D> ipl;
+        ipl(out,a.mValue,b.mValue,d);
+    }
+}; // ! Interpolator <aiVectorKey>
+
+template <>
+struct Interpolator<aiQuatKey>  {
+    void operator () (aiQuaternion& out, const aiQuatKey& a,
+        const aiQuatKey& b, ai_real d) const
+    {
+        Interpolator<aiQuaternion> ipl;
+        ipl(out,a.mValue,b.mValue,d);
+    }
+}; // ! Interpolator <aiQuatKey>
+
+template <>
+struct Interpolator<aiMeshKey>     {
+    void operator () (unsigned int& out, const aiMeshKey& a,
+        const aiMeshKey& b, ai_real d) const
+    {
+        Interpolator<unsigned int> ipl;
+        ipl(out,a.mValue,b.mValue,d);
+    }
+}; // ! Interpolator <aiQuatKey>
+
+//! @endcond
+
+} //  ! end namespace Assimp
+
+#endif // __cplusplus
+
+#endif // AI_ANIM_H_INC
diff --git a/thirdparty/assimp/include/assimp/camera.h b/thirdparty/assimp/include/assimp/camera.h
new file mode 100644
index 0000000000..99daf69934
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/camera.h
@@ -0,0 +1,226 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file camera.h
+ *  @brief Defines the aiCamera data structure
+ */
+
+#pragma once
+#ifndef AI_CAMERA_H_INC
+#define AI_CAMERA_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+/** Helper structure to describe a virtual camera.
+ *
+ * Cameras have a representation in the node graph and can be animated.
+ * An important aspect is that the camera itself is also part of the
+ * scenegraph. This means, any values such as the look-at vector are not
+ * *absolute*, they're <b>relative</b> to the coordinate system defined
+ * by the node which corresponds to the camera. This allows for camera
+ * animations. For static cameras parameters like the 'look-at' or 'up' vectors
+ * are usually specified directly in aiCamera, but beware, they could also
+ * be encoded in the node transformation. The following (pseudo)code sample
+ * shows how to do it: <br><br>
+ * @code
+ * // Get the camera matrix for a camera at a specific time
+ * // if the node hierarchy for the camera does not contain
+ * // at least one animated node this is a static computation
+ * get-camera-matrix (node sceneRoot, camera cam) : matrix
+ * {
+ *    node   cnd = find-node-for-camera(cam)
+ *    matrix cmt = identity()
+ *
+ *    // as usual - get the absolute camera transformation for this frame
+ *    for each node nd in hierarchy from sceneRoot to cnd
+ *      matrix cur
+ *      if (is-animated(nd))
+ *         cur = eval-animation(nd)
+ *      else cur = nd->mTransformation;
+ *      cmt = mult-matrices( cmt, cur )
+ *    end for
+ *
+ *    // now multiply with the camera's own local transform
+ *    cam = mult-matrices (cam, get-camera-matrix(cmt) )
+ * }
+ * @endcode
+ *
+ * @note some file formats (such as 3DS, ASE) export a "target point" -
+ * the point the camera is looking at (it can even be animated). Assimp
+ * writes the target point as a subnode of the camera's main node,
+ * called "<camName>.Target". However this is just additional information
+ * then the transformation tracks of the camera main node make the
+ * camera already look in the right direction.
+ *
+*/
+struct aiCamera
+{
+    /** The name of the camera.
+     *
+     *  There must be a node in the scenegraph with the same name.
+     *  This node specifies the position of the camera in the scene
+     *  hierarchy and can be animated.
+     */
+    C_STRUCT aiString mName;
+
+    /** Position of the camera relative to the coordinate space
+     *  defined by the corresponding node.
+     *
+     *  The default value is 0|0|0.
+     */
+    C_STRUCT aiVector3D mPosition;
+
+
+    /** 'Up' - vector of the camera coordinate system relative to
+     *  the coordinate space defined by the corresponding node.
+     *
+     *  The 'right' vector of the camera coordinate system is
+     *  the cross product of  the up and lookAt vectors.
+     *  The default value is 0|1|0. The vector
+     *  may be normalized, but it needn't.
+     */
+    C_STRUCT aiVector3D mUp;
+
+
+    /** 'LookAt' - vector of the camera coordinate system relative to
+     *  the coordinate space defined by the corresponding node.
+     *
+     *  This is the viewing direction of the user.
+     *  The default value is 0|0|1. The vector
+     *  may be normalized, but it needn't.
+     */
+    C_STRUCT aiVector3D mLookAt;
+
+
+    /** Half horizontal field of view angle, in radians.
+     *
+     *  The field of view angle is the angle between the center
+     *  line of the screen and the left or right border.
+     *  The default value is 1/4PI.
+     */
+    float mHorizontalFOV;
+
+    /** Distance of the near clipping plane from the camera.
+     *
+     * The value may not be 0.f (for arithmetic reasons to prevent
+     * a division through zero). The default value is 0.1f.
+     */
+    float mClipPlaneNear;
+
+    /** Distance of the far clipping plane from the camera.
+     *
+     * The far clipping plane must, of course, be further away than the
+     * near clipping plane. The default value is 1000.f. The ratio
+     * between the near and the far plane should not be too
+     * large (between 1000-10000 should be ok) to avoid floating-point
+     * inaccuracies which could lead to z-fighting.
+     */
+    float mClipPlaneFar;
+
+
+    /** Screen aspect ratio.
+     *
+     * This is the ration between the width and the height of the
+     * screen. Typical values are 4/3, 1/2 or 1/1. This value is
+     * 0 if the aspect ratio is not defined in the source file.
+     * 0 is also the default value.
+     */
+    float mAspect;
+
+#ifdef __cplusplus
+
+    aiCamera() AI_NO_EXCEPT
+        : mUp               (0.f,1.f,0.f)
+        , mLookAt           (0.f,0.f,1.f)
+        , mHorizontalFOV    (0.25f * (float)AI_MATH_PI)
+        , mClipPlaneNear    (0.1f)
+        , mClipPlaneFar     (1000.f)
+        , mAspect           (0.f)
+    {}
+
+    /** @brief Get a *right-handed* camera matrix from me
+     *  @param out Camera matrix to be filled
+     */
+    void GetCameraMatrix (aiMatrix4x4& out) const
+    {
+        /** todo: test ... should work, but i'm not absolutely sure */
+
+        /** We don't know whether these vectors are already normalized ...*/
+        aiVector3D zaxis = mLookAt;     zaxis.Normalize();
+        aiVector3D yaxis = mUp;         yaxis.Normalize();
+        aiVector3D xaxis = mUp^mLookAt; xaxis.Normalize();
+
+        out.a4 = -(xaxis * mPosition);
+        out.b4 = -(yaxis * mPosition);
+        out.c4 = -(zaxis * mPosition);
+
+        out.a1 = xaxis.x;
+        out.a2 = xaxis.y;
+        out.a3 = xaxis.z;
+
+        out.b1 = yaxis.x;
+        out.b2 = yaxis.y;
+        out.b3 = yaxis.z;
+
+        out.c1 = zaxis.x;
+        out.c2 = zaxis.y;
+        out.c3 = zaxis.z;
+
+        out.d1 = out.d2 = out.d3 = 0.f;
+        out.d4 = 1.f;
+    }
+
+#endif
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // AI_CAMERA_H_INC
diff --git a/thirdparty/assimp/include/assimp/cexport.h b/thirdparty/assimp/include/assimp/cexport.h
new file mode 100644
index 0000000000..1d62dc26b3
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/cexport.h
@@ -0,0 +1,261 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2011, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  cexport.h
+*  @brief Defines the C-API for the Assimp export interface
+*/
+#pragma once
+#ifndef AI_EXPORT_H_INC
+#define AI_EXPORT_H_INC
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+// Public ASSIMP data structures
+#include <assimp/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct aiScene;  // aiScene.h
+struct aiFileIO; // aiFileIO.h
+
+// --------------------------------------------------------------------------------
+/** Describes an file format which Assimp can export to. Use #aiGetExportFormatCount() to
+* learn how many export formats the current Assimp build supports and #aiGetExportFormatDescription()
+* to retrieve a description of an export format option.
+*/
+struct aiExportFormatDesc
+{
+    /// a short string ID to uniquely identify the export format. Use this ID string to
+    /// specify which file format you want to export to when calling #aiExportScene().
+    /// Example: "dae" or "obj"
+    const char* id;
+
+    /// A short description of the file format to present to users. Useful if you want
+    /// to allow the user to select an export format.
+    const char* description;
+
+    /// Recommended file extension for the exported file in lower case.
+    const char* fileExtension;
+};
+
+
+// --------------------------------------------------------------------------------
+/** Returns the number of export file formats available in the current Assimp build.
+ * Use aiGetExportFormatDescription() to retrieve infos of a specific export format.
+ */
+ASSIMP_API size_t aiGetExportFormatCount(void);
+
+// --------------------------------------------------------------------------------
+/** Returns a description of the nth export file format. Use #aiGetExportFormatCount()
+ * to learn how many export formats are supported. The description must be released by
+ * calling aiReleaseExportFormatDescription afterwards.
+ * @param pIndex Index of the export format to retrieve information for. Valid range is
+ *    0 to #aiGetExportFormatCount()
+ * @return A description of that specific export format. NULL if pIndex is out of range.
+ */
+ASSIMP_API const C_STRUCT aiExportFormatDesc* aiGetExportFormatDescription( size_t pIndex);
+
+// --------------------------------------------------------------------------------
+/** Release a description of the nth export file format. Must be returned by
+* aiGetExportFormatDescription
+* @param desc Pointer to the description
+*/
+ASSIMP_API void aiReleaseExportFormatDescription( const C_STRUCT aiExportFormatDesc *desc );
+
+// --------------------------------------------------------------------------------
+/** Create a modifiable copy of a scene.
+ *  This is useful to import files via Assimp, change their topology and
+ *  export them again. Since the scene returned by the various importer functions
+ *  is const, a modifiable copy is needed.
+ *  @param pIn Valid scene to be copied
+ *  @param pOut Receives a modifyable copy of the scene. Use aiFreeScene() to
+ *    delete it again.
+ */
+ASSIMP_API void aiCopyScene(const C_STRUCT aiScene* pIn,
+    C_STRUCT aiScene** pOut);
+
+
+// --------------------------------------------------------------------------------
+/** Frees a scene copy created using aiCopyScene() */
+ASSIMP_API void aiFreeScene(const C_STRUCT aiScene* pIn);
+
+// --------------------------------------------------------------------------------
+/** Exports the given scene to a chosen file format and writes the result file(s) to disk.
+* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
+*   The scene is expected to conform to Assimp's Importer output format as specified
+*   in the @link data Data Structures Page @endlink. In short, this means the model data
+*   should use a right-handed coordinate systems, face winding should be counter-clockwise
+*   and the UV coordinate origin is assumed to be in the upper left. If your input data
+*   uses different conventions, have a look at the last parameter.
+* @param pFormatId ID string to specify to which format you want to export to. Use
+* aiGetExportFormatCount() / aiGetExportFormatDescription() to learn which export formats are available.
+* @param pFileName Output file to write
+* @param pPreprocessing Accepts any choice of the #aiPostProcessSteps enumerated
+*   flags, but in reality only a subset of them makes sense here. Specifying
+*   'preprocessing' flags is useful if the input scene does not conform to
+*   Assimp's default conventions as specified in the @link data Data Structures Page @endlink.
+*   In short, this means the geometry data should use a right-handed coordinate systems, face
+*   winding should be counter-clockwise and the UV coordinate origin is assumed to be in
+*   the upper left. The #aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
+*   #aiProcess_FlipWindingOrder flags are used in the import side to allow users
+*   to have those defaults automatically adapted to their conventions. Specifying those flags
+*   for exporting has the opposite effect, respectively. Some other of the
+*   #aiPostProcessSteps enumerated values may be useful as well, but you'll need
+*   to try out what their effect on the exported file is. Many formats impose
+*   their own restrictions on the structure of the geometry stored therein,
+*   so some preprocessing may have little or no effect at all, or may be
+*   redundant as exporters would apply them anyhow. A good example
+*   is triangulation - whilst you can enforce it by specifying
+*   the #aiProcess_Triangulate flag, most export formats support only
+*   triangulate data so they would run the step anyway.
+*
+*   If assimp detects that the input scene was directly taken from the importer side of
+*   the library (i.e. not copied using aiCopyScene and potetially modified afterwards),
+*   any postprocessing steps already applied to the scene will not be applied again, unless
+*   they show non-idempotent behaviour (#aiProcess_MakeLeftHanded, #aiProcess_FlipUVs and
+*   #aiProcess_FlipWindingOrder).
+* @return a status code indicating the result of the export
+* @note Use aiCopyScene() to get a modifiable copy of a previously
+*   imported scene.
+*/
+ASSIMP_API aiReturn aiExportScene( const C_STRUCT aiScene* pScene,
+    const char* pFormatId,
+    const char* pFileName,
+    unsigned int pPreprocessing);
+
+
+// --------------------------------------------------------------------------------
+/** Exports the given scene to a chosen file format using custom IO logic supplied by you.
+* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
+* @param pFormatId ID string to specify to which format you want to export to. Use
+* aiGetExportFormatCount() / aiGetExportFormatDescription() to learn which export formats are available.
+* @param pFileName Output file to write
+* @param pIO custom IO implementation to be used. Use this if you use your own storage methods.
+*   If none is supplied, a default implementation using standard file IO is used. Note that
+*   #aiExportSceneToBlob is provided as convenience function to export to memory buffers.
+* @param pPreprocessing Please see the documentation for #aiExportScene
+* @return a status code indicating the result of the export
+* @note Include <aiFileIO.h> for the definition of #aiFileIO.
+* @note Use aiCopyScene() to get a modifiable copy of a previously
+*   imported scene.
+*/
+ASSIMP_API aiReturn aiExportSceneEx( const C_STRUCT aiScene* pScene,
+    const char* pFormatId,
+    const char* pFileName,
+    C_STRUCT aiFileIO* pIO,
+    unsigned int pPreprocessing );
+
+// --------------------------------------------------------------------------------
+/** Describes a blob of exported scene data. Use #aiExportSceneToBlob() to create a blob containing an
+* exported scene. The memory referred by this structure is owned by Assimp.
+* to free its resources. Don't try to free the memory on your side - it will crash for most build configurations
+* due to conflicting heaps.
+*
+* Blobs can be nested - each blob may reference another blob, which may in turn reference another blob and so on.
+* This is used when exporters write more than one output file for a given #aiScene. See the remarks for
+* #aiExportDataBlob::name for more information.
+*/
+struct aiExportDataBlob
+{
+    /// Size of the data in bytes
+    size_t size;
+
+    /// The data.
+    void* data;
+
+    /** Name of the blob. An empty string always
+        indicates the first (and primary) blob,
+        which contains the actual file data.
+        Any other blobs are auxiliary files produced
+        by exporters (i.e. material files). Existence
+        of such files depends on the file format. Most
+        formats don't split assets across multiple files.
+
+        If used, blob names usually contain the file
+        extension that should be used when writing
+        the data to disc.
+     */
+    C_STRUCT aiString name;
+
+    /** Pointer to the next blob in the chain or NULL if there is none. */
+    C_STRUCT aiExportDataBlob * next;
+
+#ifdef __cplusplus
+    /// Default constructor
+    aiExportDataBlob() { size = 0; data = next = NULL; }
+    /// Releases the data
+    ~aiExportDataBlob() { delete [] static_cast<unsigned char*>( data ); delete next; }
+
+private:
+    // no copying
+    aiExportDataBlob(const aiExportDataBlob& );
+    aiExportDataBlob& operator= (const aiExportDataBlob& );
+#endif // __cplusplus
+};
+
+// --------------------------------------------------------------------------------
+/** Exports the given scene to a chosen file format. Returns the exported data as a binary blob which
+* you can write into a file or something. When you're done with the data, use #aiReleaseExportBlob()
+* to free the resources associated with the export.
+* @param pScene The scene to export. Stays in possession of the caller, is not changed by the function.
+* @param pFormatId ID string to specify to which format you want to export to. Use
+* #aiGetExportFormatCount() / #aiGetExportFormatDescription() to learn which export formats are available.
+* @param pPreprocessing Please see the documentation for #aiExportScene
+* @return the exported data or NULL in case of error
+*/
+ASSIMP_API const C_STRUCT aiExportDataBlob* aiExportSceneToBlob( const C_STRUCT aiScene* pScene, const char* pFormatId,
+    unsigned int pPreprocessing );
+
+// --------------------------------------------------------------------------------
+/** Releases the memory associated with the given exported data. Use this function to free a data blob
+* returned by aiExportScene().
+* @param pData the data blob returned by #aiExportSceneToBlob
+*/
+ASSIMP_API void aiReleaseExportBlob( const C_STRUCT aiExportDataBlob* pData );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // ASSIMP_BUILD_NO_EXPORT
+#endif // AI_EXPORT_H_INC
diff --git a/thirdparty/assimp/include/assimp/cfileio.h b/thirdparty/assimp/include/assimp/cfileio.h
new file mode 100644
index 0000000000..8f7ca45469
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/cfileio.h
@@ -0,0 +1,138 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file cfileio.h
+ *  @brief Defines generic C routines to access memory-mapped files
+ */
+#pragma once
+#ifndef AI_FILEIO_H_INC
+#define AI_FILEIO_H_INC
+
+#include <assimp/types.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+struct aiFileIO;
+struct aiFile;
+
+// aiFile callbacks
+typedef size_t          (*aiFileWriteProc) (C_STRUCT aiFile*,   const char*, size_t, size_t);
+typedef size_t          (*aiFileReadProc)  (C_STRUCT aiFile*,   char*, size_t,size_t);
+typedef size_t          (*aiFileTellProc)  (C_STRUCT aiFile*);
+typedef void            (*aiFileFlushProc) (C_STRUCT aiFile*);
+typedef C_ENUM aiReturn (*aiFileSeek)      (C_STRUCT aiFile*, size_t, C_ENUM aiOrigin);
+
+// aiFileIO callbacks
+typedef C_STRUCT aiFile* (*aiFileOpenProc)  (C_STRUCT aiFileIO*, const char*, const char*);
+typedef void             (*aiFileCloseProc) (C_STRUCT aiFileIO*, C_STRUCT aiFile*);
+
+// Represents user-defined data
+typedef char* aiUserData;
+
+// ----------------------------------------------------------------------------------
+/** @brief C-API: File system callbacks
+ *
+ *  Provided are functions to open and close files. Supply a custom structure to
+ *  the import function. If you don't, a default implementation is used. Use custom
+ *  file systems to enable reading from other sources, such as ZIPs
+ *  or memory locations. */
+struct aiFileIO
+{
+    /** Function used to open a new file
+     */
+    aiFileOpenProc OpenProc;
+
+    /** Function used to close an existing file
+     */
+    aiFileCloseProc CloseProc;
+
+    /** User-defined, opaque data */
+    aiUserData UserData;
+};
+
+// ----------------------------------------------------------------------------------
+/** @brief C-API: File callbacks
+ *
+ *  Actually, it's a data structure to wrap a set of fXXXX (e.g fopen)
+ *  replacement functions.
+ *
+ *  The default implementation of the functions utilizes the fXXX functions from
+ *  the CRT. However, you can supply a custom implementation to Assimp by
+ *  delivering a custom aiFileIO. Use this to enable reading from other sources,
+ *  such as ZIP archives or memory locations. */
+struct aiFile
+{
+    /** Callback to read from a file */
+    aiFileReadProc ReadProc;
+
+    /** Callback to write to a file */
+    aiFileWriteProc WriteProc;
+
+    /** Callback to retrieve the current position of
+     *  the file cursor (ftell())
+     */
+    aiFileTellProc TellProc;
+
+    /** Callback to retrieve the size of the file,
+     *  in bytes
+     */
+    aiFileTellProc FileSizeProc;
+
+    /** Callback to set the current position
+     * of the file cursor (fseek())
+     */
+    aiFileSeek SeekProc;
+
+    /** Callback to flush the file contents
+     */
+    aiFileFlushProc FlushProc;
+
+    /** User-defined, opaque data
+     */
+    aiUserData UserData;
+};
+
+#ifdef __cplusplus
+}
+#endif
+#endif // AI_FILEIO_H_INC
diff --git a/thirdparty/assimp/include/assimp/cimport.h b/thirdparty/assimp/include/assimp/cimport.h
new file mode 100644
index 0000000000..dbd10f1370
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/cimport.h
@@ -0,0 +1,565 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  cimport.h
+ *  @brief Defines the C-API to the Open Asset Import Library.
+ */
+#pragma once
+#ifndef AI_ASSIMP_H_INC
+#define AI_ASSIMP_H_INC
+
+#include <assimp/types.h>
+#include "importerdesc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct aiScene;  // aiScene.h
+struct aiFileIO; // aiFileIO.h
+typedef void (*aiLogStreamCallback)(const char* /* message */, char* /* user */);
+
+// --------------------------------------------------------------------------------
+/** C-API: Represents a log stream. A log stream receives all log messages and
+ *  streams them _somewhere_.
+ *  @see aiGetPredefinedLogStream
+ *  @see aiAttachLogStream
+ *  @see aiDetachLogStream */
+// --------------------------------------------------------------------------------
+struct aiLogStream
+{
+    /** callback to be called */
+    aiLogStreamCallback callback;
+
+    /** user data to be passed to the callback */
+    char* user;
+};
+
+
+// --------------------------------------------------------------------------------
+/** C-API: Represents an opaque set of settings to be used during importing.
+ *  @see aiCreatePropertyStore
+ *  @see aiReleasePropertyStore
+ *  @see aiImportFileExWithProperties
+ *  @see aiSetPropertyInteger
+ *  @see aiSetPropertyFloat
+ *  @see aiSetPropertyString
+ *  @see aiSetPropertyMatrix
+ */
+// --------------------------------------------------------------------------------
+struct aiPropertyStore { char sentinel; };
+
+/** Our own C boolean type */
+typedef int aiBool;
+
+#define AI_FALSE 0
+#define AI_TRUE 1
+
+// --------------------------------------------------------------------------------
+/** Reads the given file and returns its content.
+ *
+ * If the call succeeds, the imported data is returned in an aiScene structure.
+ * The data is intended to be read-only, it stays property of the ASSIMP
+ * library and will be stable until aiReleaseImport() is called. After you're
+ * done with it, call aiReleaseImport() to free the resources associated with
+ * this file. If the import fails, NULL is returned instead. Call
+ * aiGetErrorString() to retrieve a human-readable error text.
+ * @param pFile Path and filename of the file to be imported,
+ *   expected to be a null-terminated c-string. NULL is not a valid value.
+ * @param pFlags Optional post processing steps to be executed after
+ *   a successful import. Provide a bitwise combination of the
+ *   #aiPostProcessSteps flags.
+ * @return Pointer to the imported data or NULL if the import failed.
+ */
+ASSIMP_API const C_STRUCT aiScene* aiImportFile(
+    const char* pFile,
+    unsigned int pFlags);
+
+// --------------------------------------------------------------------------------
+/** Reads the given file using user-defined I/O functions and returns
+ *   its content.
+ *
+ * If the call succeeds, the imported data is returned in an aiScene structure.
+ * The data is intended to be read-only, it stays property of the ASSIMP
+ * library and will be stable until aiReleaseImport() is called. After you're
+ * done with it, call aiReleaseImport() to free the resources associated with
+ * this file. If the import fails, NULL is returned instead. Call
+ * aiGetErrorString() to retrieve a human-readable error text.
+ * @param pFile Path and filename of the file to be imported,
+ *   expected to be a null-terminated c-string. NULL is not a valid value.
+ * @param pFlags Optional post processing steps to be executed after
+ *   a successful import. Provide a bitwise combination of the
+ *   #aiPostProcessSteps flags.
+ * @param pFS aiFileIO structure. Will be used to open the model file itself
+ *   and any other files the loader needs to open.  Pass NULL to use the default
+ *   implementation.
+ * @return Pointer to the imported data or NULL if the import failed.
+ * @note Include <aiFileIO.h> for the definition of #aiFileIO.
+ */
+ASSIMP_API const C_STRUCT aiScene* aiImportFileEx(
+    const char* pFile,
+    unsigned int pFlags,
+    C_STRUCT aiFileIO* pFS);
+
+// --------------------------------------------------------------------------------
+/** Same as #aiImportFileEx, but adds an extra parameter containing importer settings.
+ *
+ * @param pFile Path and filename of the file to be imported,
+ *   expected to be a null-terminated c-string. NULL is not a valid value.
+ * @param pFlags Optional post processing steps to be executed after
+ *   a successful import. Provide a bitwise combination of the
+ *   #aiPostProcessSteps flags.
+ * @param pFS aiFileIO structure. Will be used to open the model file itself
+ *   and any other files the loader needs to open.  Pass NULL to use the default
+ *   implementation.
+ * @param pProps #aiPropertyStore instance containing import settings.
+ * @return Pointer to the imported data or NULL if the import failed.
+ * @note Include <aiFileIO.h> for the definition of #aiFileIO.
+ * @see aiImportFileEx
+ */
+ASSIMP_API const C_STRUCT aiScene* aiImportFileExWithProperties(
+    const char* pFile,
+    unsigned int pFlags,
+    C_STRUCT aiFileIO* pFS,
+    const C_STRUCT aiPropertyStore* pProps);
+
+// --------------------------------------------------------------------------------
+/** Reads the given file from a given memory buffer,
+ *
+ * If the call succeeds, the contents of the file are returned as a pointer to an
+ * aiScene object. The returned data is intended to be read-only, the importer keeps
+ * ownership of the data and will destroy it upon destruction. If the import fails,
+ * NULL is returned.
+ * A human-readable error description can be retrieved by calling aiGetErrorString().
+ * @param pBuffer Pointer to the file data
+ * @param pLength Length of pBuffer, in bytes
+ * @param pFlags Optional post processing steps to be executed after
+ *   a successful import. Provide a bitwise combination of the
+ *   #aiPostProcessSteps flags. If you wish to inspect the imported
+ *   scene first in order to fine-tune your post-processing setup,
+ *   consider to use #aiApplyPostProcessing().
+ * @param pHint An additional hint to the library. If this is a non empty string,
+ *   the library looks for a loader to support the file extension specified by pHint
+ *   and passes the file to the first matching loader. If this loader is unable to
+ *   completely the request, the library continues and tries to determine the file
+ *   format on its own, a task that may or may not be successful.
+ *   Check the return value, and you'll know ...
+ * @return A pointer to the imported data, NULL if the import failed.
+ *
+ * @note This is a straightforward way to decode models from memory
+ * buffers, but it doesn't handle model formats that spread their
+ * data across multiple files or even directories. Examples include
+ * OBJ or MD3, which outsource parts of their material info into
+ * external scripts. If you need full functionality, provide
+ * a custom IOSystem to make Assimp find these files and use
+ * the regular aiImportFileEx()/aiImportFileExWithProperties() API.
+ */
+ASSIMP_API const C_STRUCT aiScene* aiImportFileFromMemory(
+    const char* pBuffer,
+    unsigned int pLength,
+    unsigned int pFlags,
+    const char* pHint);
+
+// --------------------------------------------------------------------------------
+/** Same as #aiImportFileFromMemory, but adds an extra parameter containing importer settings.
+ *
+ * @param pBuffer Pointer to the file data
+ * @param pLength Length of pBuffer, in bytes
+ * @param pFlags Optional post processing steps to be executed after
+ *   a successful import. Provide a bitwise combination of the
+ *   #aiPostProcessSteps flags. If you wish to inspect the imported
+ *   scene first in order to fine-tune your post-processing setup,
+ *   consider to use #aiApplyPostProcessing().
+ * @param pHint An additional hint to the library. If this is a non empty string,
+ *   the library looks for a loader to support the file extension specified by pHint
+ *   and passes the file to the first matching loader. If this loader is unable to
+ *   completely the request, the library continues and tries to determine the file
+ *   format on its own, a task that may or may not be successful.
+ *   Check the return value, and you'll know ...
+ * @param pProps #aiPropertyStore instance containing import settings.
+ * @return A pointer to the imported data, NULL if the import failed.
+ *
+ * @note This is a straightforward way to decode models from memory
+ * buffers, but it doesn't handle model formats that spread their
+ * data across multiple files or even directories. Examples include
+ * OBJ or MD3, which outsource parts of their material info into
+ * external scripts. If you need full functionality, provide
+ * a custom IOSystem to make Assimp find these files and use
+ * the regular aiImportFileEx()/aiImportFileExWithProperties() API.
+ * @see aiImportFileFromMemory
+ */
+ASSIMP_API const C_STRUCT aiScene* aiImportFileFromMemoryWithProperties(
+    const char* pBuffer,
+    unsigned int pLength,
+    unsigned int pFlags,
+    const char* pHint,
+    const C_STRUCT aiPropertyStore* pProps);
+
+// --------------------------------------------------------------------------------
+/** Apply post-processing to an already-imported scene.
+ *
+ * This is strictly equivalent to calling #aiImportFile()/#aiImportFileEx with the
+ * same flags. However, you can use this separate function to inspect the imported
+ * scene first to fine-tune your post-processing setup.
+ * @param pScene Scene to work on.
+ * @param pFlags Provide a bitwise combination of the #aiPostProcessSteps flags.
+ * @return A pointer to the post-processed data. Post processing is done in-place,
+ *   meaning this is still the same #aiScene which you passed for pScene. However,
+ *   _if_ post-processing failed, the scene could now be NULL. That's quite a rare
+ *   case, post processing steps are not really designed to 'fail'. To be exact,
+ *   the #aiProcess_ValidateDataStructure flag is currently the only post processing step
+ *   which can actually cause the scene to be reset to NULL.
+ */
+ASSIMP_API const C_STRUCT aiScene* aiApplyPostProcessing(
+    const C_STRUCT aiScene* pScene,
+    unsigned int pFlags);
+
+// --------------------------------------------------------------------------------
+/** Get one of the predefine log streams. This is the quick'n'easy solution to
+ *  access Assimp's log system. Attaching a log stream can slightly reduce Assimp's
+ *  overall import performance.
+ *
+ *  Usage is rather simple (this will stream the log to a file, named log.txt, and
+ *  the stdout stream of the process:
+ *  @code
+ *    struct aiLogStream c;
+ *    c = aiGetPredefinedLogStream(aiDefaultLogStream_FILE,"log.txt");
+ *    aiAttachLogStream(&c);
+ *    c = aiGetPredefinedLogStream(aiDefaultLogStream_STDOUT,NULL);
+ *    aiAttachLogStream(&c);
+ *  @endcode
+ *
+ *  @param pStreams One of the #aiDefaultLogStream enumerated values.
+ *  @param file Solely for the #aiDefaultLogStream_FILE flag: specifies the file to write to.
+ *    Pass NULL for all other flags.
+ *  @return The log stream. callback is set to NULL if something went wrong.
+ */
+ASSIMP_API C_STRUCT aiLogStream aiGetPredefinedLogStream(
+    C_ENUM aiDefaultLogStream pStreams,
+    const char* file);
+
+// --------------------------------------------------------------------------------
+/** Attach a custom log stream to the libraries' logging system.
+ *
+ *  Attaching a log stream can slightly reduce Assimp's overall import
+ *  performance. Multiple log-streams can be attached.
+ *  @param stream Describes the new log stream.
+ *  @note To ensure proper destruction of the logging system, you need to manually
+ *    call aiDetachLogStream() on every single log stream you attach.
+ *    Alternatively (for the lazy folks) #aiDetachAllLogStreams is provided.
+ */
+ASSIMP_API void aiAttachLogStream(
+    const C_STRUCT aiLogStream* stream);
+
+// --------------------------------------------------------------------------------
+/** Enable verbose logging. Verbose logging includes debug-related stuff and
+ *  detailed import statistics. This can have severe impact on import performance
+ *  and memory consumption. However, it might be useful to find out why a file
+ *  didn't read correctly.
+ *  @param d AI_TRUE or AI_FALSE, your decision.
+ */
+ASSIMP_API void aiEnableVerboseLogging(aiBool d);
+
+// --------------------------------------------------------------------------------
+/** Detach a custom log stream from the libraries' logging system.
+ *
+ *  This is the counterpart of #aiAttachLogStream. If you attached a stream,
+ *  don't forget to detach it again.
+ *  @param stream The log stream to be detached.
+ *  @return AI_SUCCESS if the log stream has been detached successfully.
+ *  @see aiDetachAllLogStreams
+ */
+ASSIMP_API C_ENUM aiReturn aiDetachLogStream(
+    const C_STRUCT aiLogStream* stream);
+
+// --------------------------------------------------------------------------------
+/** Detach all active log streams from the libraries' logging system.
+ *  This ensures that the logging system is terminated properly and all
+ *  resources allocated by it are actually freed. If you attached a stream,
+ *  don't forget to detach it again.
+ *  @see aiAttachLogStream
+ *  @see aiDetachLogStream
+ */
+ASSIMP_API void aiDetachAllLogStreams(void);
+
+// --------------------------------------------------------------------------------
+/** Releases all resources associated with the given import process.
+ *
+ * Call this function after you're done with the imported data.
+ * @param pScene The imported data to release. NULL is a valid value.
+ */
+ASSIMP_API void aiReleaseImport(
+    const C_STRUCT aiScene* pScene);
+
+// --------------------------------------------------------------------------------
+/** Returns the error text of the last failed import process.
+ *
+ * @return A textual description of the error that occurred at the last
+ * import process. NULL if there was no error. There can't be an error if you
+ * got a non-NULL #aiScene from #aiImportFile/#aiImportFileEx/#aiApplyPostProcessing.
+ */
+ASSIMP_API const char* aiGetErrorString(void);
+
+// --------------------------------------------------------------------------------
+/** Returns whether a given file extension is supported by ASSIMP
+ *
+ * @param szExtension Extension for which the function queries support for.
+ * Must include a leading dot '.'. Example: ".3ds", ".md3"
+ * @return AI_TRUE if the file extension is supported.
+ */
+ASSIMP_API aiBool aiIsExtensionSupported(
+    const char* szExtension);
+
+// --------------------------------------------------------------------------------
+/** Get a list of all file extensions supported by ASSIMP.
+ *
+ * If a file extension is contained in the list this does, of course, not
+ * mean that ASSIMP is able to load all files with this extension.
+ * @param szOut String to receive the extension list.
+ * Format of the list: "*.3ds;*.obj;*.dae". NULL is not a valid parameter.
+ */
+ASSIMP_API void aiGetExtensionList(
+    C_STRUCT aiString* szOut);
+
+// --------------------------------------------------------------------------------
+/** Get the approximated storage required by an imported asset
+ * @param pIn Input asset.
+ * @param in Data structure to be filled.
+ */
+ASSIMP_API void aiGetMemoryRequirements(
+    const C_STRUCT aiScene* pIn,
+    C_STRUCT aiMemoryInfo* in);
+
+
+
+// --------------------------------------------------------------------------------
+/** Create an empty property store. Property stores are used to collect import
+ *  settings.
+ * @return New property store. Property stores need to be manually destroyed using
+ *   the #aiReleasePropertyStore API function.
+ */
+ASSIMP_API C_STRUCT aiPropertyStore* aiCreatePropertyStore(void);
+
+// --------------------------------------------------------------------------------
+/** Delete a property store.
+ * @param p Property store to be deleted.
+ */
+ASSIMP_API void aiReleasePropertyStore(C_STRUCT aiPropertyStore* p);
+
+// --------------------------------------------------------------------------------
+/** Set an integer property.
+ *
+ *  This is the C-version of #Assimp::Importer::SetPropertyInteger(). In the C
+ *  interface, properties are always shared by all imports. It is not possible to
+ *  specify them per import.
+ *
+ * @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
+ * @param szName Name of the configuration property to be set. All supported
+ *   public properties are defined in the config.h header file (AI_CONFIG_XXX).
+ * @param value New value for the property
+ */
+ASSIMP_API void aiSetImportPropertyInteger(
+    C_STRUCT aiPropertyStore* store,
+    const char* szName,
+    int value);
+
+// --------------------------------------------------------------------------------
+/** Set a floating-point property.
+ *
+ *  This is the C-version of #Assimp::Importer::SetPropertyFloat(). In the C
+ *  interface, properties are always shared by all imports. It is not possible to
+ *  specify them per import.
+ *
+ * @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
+ * @param szName Name of the configuration property to be set. All supported
+ *   public properties are defined in the config.h header file (AI_CONFIG_XXX).
+ * @param value New value for the property
+ */
+ASSIMP_API void aiSetImportPropertyFloat(
+    C_STRUCT aiPropertyStore* store,
+    const char* szName,
+    ai_real value);
+
+// --------------------------------------------------------------------------------
+/** Set a string property.
+ *
+ *  This is the C-version of #Assimp::Importer::SetPropertyString(). In the C
+ *  interface, properties are always shared by all imports. It is not possible to
+ *  specify them per import.
+ *
+ * @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
+ * @param szName Name of the configuration property to be set. All supported
+ *   public properties are defined in the config.h header file (AI_CONFIG_XXX).
+ * @param st New value for the property
+ */
+ASSIMP_API void aiSetImportPropertyString(
+    C_STRUCT aiPropertyStore* store,
+    const char* szName,
+    const C_STRUCT aiString* st);
+
+// --------------------------------------------------------------------------------
+/** Set a matrix property.
+ *
+ *  This is the C-version of #Assimp::Importer::SetPropertyMatrix(). In the C
+ *  interface, properties are always shared by all imports. It is not possible to
+ *  specify them per import.
+ *
+ * @param store Store to modify. Use #aiCreatePropertyStore to obtain a store.
+ * @param szName Name of the configuration property to be set. All supported
+ *   public properties are defined in the config.h header file (AI_CONFIG_XXX).
+ * @param mat New value for the property
+ */
+ASSIMP_API void aiSetImportPropertyMatrix(
+    C_STRUCT aiPropertyStore* store,
+    const char* szName,
+    const C_STRUCT aiMatrix4x4* mat);
+
+// --------------------------------------------------------------------------------
+/** Construct a quaternion from a 3x3 rotation matrix.
+ *  @param quat Receives the output quaternion.
+ *  @param mat Matrix to 'quaternionize'.
+ *  @see aiQuaternion(const aiMatrix3x3& pRotMatrix)
+ */
+ASSIMP_API void aiCreateQuaternionFromMatrix(
+    C_STRUCT aiQuaternion* quat,
+    const C_STRUCT aiMatrix3x3* mat);
+
+// --------------------------------------------------------------------------------
+/** Decompose a transformation matrix into its rotational, translational and
+ *  scaling components.
+ *
+ * @param mat Matrix to decompose
+ * @param scaling Receives the scaling component
+ * @param rotation Receives the rotational component
+ * @param position Receives the translational component.
+ * @see aiMatrix4x4::Decompose (aiVector3D&, aiQuaternion&, aiVector3D&) const;
+ */
+ASSIMP_API void aiDecomposeMatrix(
+    const C_STRUCT aiMatrix4x4* mat,
+    C_STRUCT aiVector3D* scaling,
+    C_STRUCT aiQuaternion* rotation,
+    C_STRUCT aiVector3D* position);
+
+// --------------------------------------------------------------------------------
+/** Transpose a 4x4 matrix.
+ *  @param mat Pointer to the matrix to be transposed
+ */
+ASSIMP_API void aiTransposeMatrix4(
+    C_STRUCT aiMatrix4x4* mat);
+
+// --------------------------------------------------------------------------------
+/** Transpose a 3x3 matrix.
+ *  @param mat Pointer to the matrix to be transposed
+ */
+ASSIMP_API void aiTransposeMatrix3(
+    C_STRUCT aiMatrix3x3* mat);
+
+// --------------------------------------------------------------------------------
+/** Transform a vector by a 3x3 matrix
+ *  @param vec Vector to be transformed.
+ *  @param mat Matrix to transform the vector with.
+ */
+ASSIMP_API void aiTransformVecByMatrix3(
+    C_STRUCT aiVector3D* vec,
+    const C_STRUCT aiMatrix3x3* mat);
+
+// --------------------------------------------------------------------------------
+/** Transform a vector by a 4x4 matrix
+ *  @param vec Vector to be transformed.
+ *  @param mat Matrix to transform the vector with.
+ */
+ASSIMP_API void aiTransformVecByMatrix4(
+    C_STRUCT aiVector3D* vec,
+    const C_STRUCT aiMatrix4x4* mat);
+
+// --------------------------------------------------------------------------------
+/** Multiply two 4x4 matrices.
+ *  @param dst First factor, receives result.
+ *  @param src Matrix to be multiplied with 'dst'.
+ */
+ASSIMP_API void aiMultiplyMatrix4(
+    C_STRUCT aiMatrix4x4* dst,
+    const C_STRUCT aiMatrix4x4* src);
+
+// --------------------------------------------------------------------------------
+/** Multiply two 3x3 matrices.
+ *  @param dst First factor, receives result.
+ *  @param src Matrix to be multiplied with 'dst'.
+ */
+ASSIMP_API void aiMultiplyMatrix3(
+    C_STRUCT aiMatrix3x3* dst,
+    const C_STRUCT aiMatrix3x3* src);
+
+// --------------------------------------------------------------------------------
+/** Get a 3x3 identity matrix.
+ *  @param mat Matrix to receive its personal identity
+ */
+ASSIMP_API void aiIdentityMatrix3(
+    C_STRUCT aiMatrix3x3* mat);
+
+// --------------------------------------------------------------------------------
+/** Get a 4x4 identity matrix.
+ *  @param mat Matrix to receive its personal identity
+ */
+ASSIMP_API void aiIdentityMatrix4(
+    C_STRUCT aiMatrix4x4* mat);
+
+// --------------------------------------------------------------------------------
+/** Returns the number of import file formats available in the current Assimp build.
+ * Use aiGetImportFormatDescription() to retrieve infos of a specific import format.
+ */
+ASSIMP_API size_t aiGetImportFormatCount(void);
+
+// --------------------------------------------------------------------------------
+/** Returns a description of the nth import file format. Use #aiGetImportFormatCount()
+ * to learn how many import formats are supported.
+ * @param pIndex Index of the import format to retrieve information for. Valid range is
+ *    0 to #aiGetImportFormatCount()
+ * @return A description of that specific import format. NULL if pIndex is out of range.
+ */
+ASSIMP_API const C_STRUCT aiImporterDesc* aiGetImportFormatDescription( size_t pIndex);
+#ifdef __cplusplus
+}
+#endif
+
+#endif // AI_ASSIMP_H_INC
diff --git a/thirdparty/assimp/include/assimp/color4.h b/thirdparty/assimp/include/assimp/color4.h
new file mode 100644
index 0000000000..3c97c8eda2
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/color4.h
@@ -0,0 +1,104 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file color4.h
+ *  @brief RGBA color structure, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_COLOR4D_H_INC
+#define AI_COLOR4D_H_INC
+
+#include "defs.h"
+
+#ifdef __cplusplus
+
+// ----------------------------------------------------------------------------------
+/** Represents a color in Red-Green-Blue space including an
+*   alpha component. Color values range from 0 to 1. */
+// ----------------------------------------------------------------------------------
+template <typename TReal>
+class aiColor4t
+{
+public:
+    aiColor4t() AI_NO_EXCEPT : r(), g(), b(), a() {}
+    aiColor4t (TReal _r, TReal _g, TReal _b, TReal _a)
+        : r(_r), g(_g), b(_b), a(_a) {}
+    explicit aiColor4t (TReal _r) : r(_r), g(_r), b(_r), a(_r) {}
+    aiColor4t (const aiColor4t& o) = default;
+
+public:
+    // combined operators
+    const aiColor4t& operator += (const aiColor4t& o);
+    const aiColor4t& operator -= (const aiColor4t& o);
+    const aiColor4t& operator *= (TReal f);
+    const aiColor4t& operator /= (TReal f);
+
+public:
+    // comparison
+    bool operator == (const aiColor4t& other) const;
+    bool operator != (const aiColor4t& other) const;
+    bool operator <  (const aiColor4t& other) const;
+
+    // color tuple access, rgba order
+    inline TReal operator[](unsigned int i) const;
+    inline TReal& operator[](unsigned int i);
+
+    /** check whether a color is (close to) black */
+    inline bool IsBlack() const;
+
+public:
+
+    // Red, green, blue and alpha color values
+    TReal r, g, b, a;
+};  // !struct aiColor4D
+
+typedef aiColor4t<ai_real> aiColor4D;
+
+#else
+
+struct aiColor4D {
+    ai_real r, g, b, a;
+};
+
+#endif // __cplusplus
+
+#endif // AI_COLOR4D_H_INC
diff --git a/thirdparty/assimp/include/assimp/color4.inl b/thirdparty/assimp/include/assimp/color4.inl
new file mode 100644
index 0000000000..3192d55f39
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/color4.inl
@@ -0,0 +1,205 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  color4.inl
+ *  @brief Inline implementation of aiColor4t<TReal> operators
+ */
+#pragma once
+#ifndef AI_COLOR4D_INL_INC
+#define AI_COLOR4D_INL_INC
+
+#ifdef __cplusplus
+#include "color4.h"
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator += (const aiColor4t<TReal>& o) {
+    r += o.r; g += o.g; b += o.b; a += o.a;
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator -= (const aiColor4t<TReal>& o) {
+    r -= o.r; g -= o.g; b -= o.b; a -= o.a;
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator *= (TReal f) {
+    r *= f; g *= f; b *= f; a *= f;
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE const aiColor4t<TReal>& aiColor4t<TReal>::operator /= (TReal f) {
+    r /= f; g /= f; b /= f; a /= f;
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE TReal aiColor4t<TReal>::operator[](unsigned int i) const {
+    switch ( i ) {
+        case 0:
+            return r;
+        case 1:
+            return g;
+        case 2:
+            return b;
+        default:
+            break;
+    }
+    return r;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE TReal& aiColor4t<TReal>::operator[](unsigned int i) {
+    switch ( i ) {
+        case 0:
+            return r;
+        case 1:
+            return g;
+        case 2:
+            return b;
+        default:
+            break;
+    }
+    return r;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE bool aiColor4t<TReal>::operator== (const aiColor4t<TReal>& other) const {
+    return r == other.r && g == other.g && b == other.b && a == other.a;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE bool aiColor4t<TReal>::operator!= (const aiColor4t<TReal>& other) const {
+    return r != other.r || g != other.g || b != other.b || a != other.a;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE bool aiColor4t<TReal>::operator< (const aiColor4t<TReal>& other) const {
+    return r < other.r || (
+        r == other.r && (
+            g < other.g || (
+                g == other.g && (
+                    b < other.b || (
+                        b == other.b && (
+                            a < other.a
+                        )
+                    )
+                )
+            )
+        )
+    );
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE aiColor4t<TReal> operator + (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2)    {
+    return aiColor4t<TReal>( v1.r + v2.r, v1.g + v2.g, v1.b + v2.b, v1.a + v2.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE aiColor4t<TReal> operator - (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2)    {
+    return aiColor4t<TReal>( v1.r - v2.r, v1.g - v2.g, v1.b - v2.b, v1.a - v2.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE aiColor4t<TReal> operator * (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2)    {
+    return aiColor4t<TReal>( v1.r * v2.r, v1.g * v2.g, v1.b * v2.b, v1.a * v2.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE aiColor4t<TReal> operator / (const aiColor4t<TReal>& v1, const aiColor4t<TReal>& v2)    {
+    return aiColor4t<TReal>( v1.r / v2.r, v1.g / v2.g, v1.b / v2.b, v1.a / v2.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE aiColor4t<TReal> operator * ( TReal f, const aiColor4t<TReal>& v)   {
+    return aiColor4t<TReal>( f*v.r, f*v.g, f*v.b, f*v.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator * ( const aiColor4t<TReal>& v, TReal f)  {
+    return aiColor4t<TReal>( f*v.r, f*v.g, f*v.b, f*v.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator / ( const aiColor4t<TReal>& v, TReal f)  {
+    return v * (1/f);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator / ( TReal f,const aiColor4t<TReal>& v)   {
+    return aiColor4t<TReal>(f,f,f,f)/v;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator + ( const aiColor4t<TReal>& v, TReal f)  {
+    return aiColor4t<TReal>( f+v.r, f+v.g, f+v.b, f+v.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator - ( const aiColor4t<TReal>& v, TReal f)  {
+    return aiColor4t<TReal>( v.r-f, v.g-f, v.b-f, v.a-f);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator + ( TReal f, const aiColor4t<TReal>& v)  {
+    return aiColor4t<TReal>( f+v.r, f+v.g, f+v.b, f+v.a);
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE  aiColor4t<TReal> operator - ( TReal f, const aiColor4t<TReal>& v)  {
+    return aiColor4t<TReal>( f-v.r, f-v.g, f-v.b, f-v.a);
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiColor4t<TReal> :: IsBlack() const {
+    // The alpha component doesn't care here. black is black.
+    static const TReal epsilon = 10e-3f;
+    return std::fabs( r ) < epsilon && std::fabs( g ) < epsilon && std::fabs( b ) < epsilon;
+}
+
+#endif // __cplusplus
+#endif // AI_VECTOR3D_INL_INC
diff --git a/thirdparty/assimp/include/assimp/config.h.in b/thirdparty/assimp/include/assimp/config.h.in
new file mode 100644
index 0000000000..a37ff0b8c8
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/config.h.in
@@ -0,0 +1,992 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2018, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file config.h
+ *  @brief Defines constants for configurable properties for the library
+ *
+ *  Typically these properties are set via
+ *  #Assimp::Importer::SetPropertyFloat,
+ *  #Assimp::Importer::SetPropertyInteger or
+ *  #Assimp::Importer::SetPropertyString,
+ *  depending on the data type of a property. All properties have a
+ *  default value. See the doc for the mentioned methods for more details.
+ *
+ *  <br><br>
+ *  The corresponding functions for use with the plain-c API are:
+ *  #aiSetImportPropertyInteger,
+ *  #aiSetImportPropertyFloat,
+ *  #aiSetImportPropertyString
+ */
+#pragma once
+#ifndef AI_CONFIG_H_INC
+#define AI_CONFIG_H_INC
+
+
+// ###########################################################################
+// LIBRARY SETTINGS
+// General, global settings
+// ###########################################################################
+
+// ---------------------------------------------------------------------------
+/** @brief Enables time measurements.
+ *
+ *  If enabled, measures the time needed for each part of the loading
+ *  process (i.e. IO time, importing, postprocessing, ..) and dumps
+ *  these timings to the DefaultLogger. See the @link perf Performance
+ *  Page@endlink for more information on this topic.
+ *
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_GLOB_MEASURE_TIME  \
+    "GLOB_MEASURE_TIME"
+
+
+// ---------------------------------------------------------------------------
+/** @brief Global setting to disable generation of skeleton dummy meshes
+ *
+ * Skeleton dummy meshes are generated as a visualization aid in cases which
+ * the input data contains no geometry, but only animation data.
+ * Property data type: bool. Default value: false
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_IMPORT_NO_SKELETON_MESHES \
+    "IMPORT_NO_SKELETON_MESHES"
+
+
+
+# if 0 // not implemented yet
+// ---------------------------------------------------------------------------
+/** @brief Set Assimp's multithreading policy.
+ *
+ * This setting is ignored if Assimp was built without boost.thread
+ * support (ASSIMP_BUILD_NO_THREADING, which is implied by ASSIMP_BUILD_BOOST_WORKAROUND).
+ * Possible values are: -1 to let Assimp decide what to do, 0 to disable
+ * multithreading entirely and any number larger than 0 to force a specific
+ * number of threads. Assimp is always free to ignore this settings, which is
+ * merely a hint. Usually, the default value (-1) will be fine. However, if
+ * Assimp is used concurrently from multiple user threads, it might be useful
+ * to limit each Importer instance to a specific number of cores.
+ *
+ * For more information, see the @link threading Threading page@endlink.
+ * Property type: int, default value: -1.
+ */
+#define AI_CONFIG_GLOB_MULTITHREADING  \
+    "GLOB_MULTITHREADING"
+#endif
+
+// ###########################################################################
+// POST PROCESSING SETTINGS
+// Various stuff to fine-tune the behavior of a specific post processing step.
+// ###########################################################################
+
+
+// ---------------------------------------------------------------------------
+/** @brief Maximum bone count per mesh for the SplitbyBoneCount step.
+ *
+ * Meshes are split until the maximum number of bones is reached. The default
+ * value is AI_SBBC_DEFAULT_MAX_BONES, which may be altered at
+ * compile-time.
+ * Property data type: integer.
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_PP_SBBC_MAX_BONES \
+    "PP_SBBC_MAX_BONES"
+
+
+// default limit for bone count
+#if (!defined AI_SBBC_DEFAULT_MAX_BONES)
+#   define AI_SBBC_DEFAULT_MAX_BONES        60
+#endif
+
+
+// ---------------------------------------------------------------------------
+/** @brief  Specifies the maximum angle that may be between two vertex tangents
+ *         that their tangents and bi-tangents are smoothed.
+ *
+ * This applies to the CalcTangentSpace-Step. The angle is specified
+ * in degrees. The maximum value is 175.
+ * Property type: float. Default value: 45 degrees
+ */
+#define AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE \
+    "PP_CT_MAX_SMOOTHING_ANGLE"
+
+// ---------------------------------------------------------------------------
+/** @brief Source UV channel for tangent space computation.
+ *
+ * The specified channel must exist or an error will be raised.
+ * Property type: integer. Default value: 0
+ */
+// ---------------------------------------------------------------------------
+#define AI_CONFIG_PP_CT_TEXTURE_CHANNEL_INDEX \
+    "PP_CT_TEXTURE_CHANNEL_INDEX"
+
+// ---------------------------------------------------------------------------
+/** @brief  Specifies the maximum angle that may be between two face normals
+ *          at the same vertex position that their are smoothed together.
+ *
+ * Sometimes referred to as 'crease angle'.
+ * This applies to the GenSmoothNormals-Step. The angle is specified
+ * in degrees, so 180 is PI. The default value is 175 degrees (all vertex
+ * normals are smoothed). The maximum value is 175, too. Property type: float.
+ * Warning: setting this option may cause a severe loss of performance. The
+ * performance is unaffected if the #AI_CONFIG_FAVOUR_SPEED flag is set but
+ * the output quality may be reduced.
+ */
+#define AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE \
+    "PP_GSN_MAX_SMOOTHING_ANGLE"
+
+
+// ---------------------------------------------------------------------------
+/** @brief Sets the colormap (= palette) to be used to decode embedded
+ *         textures in MDL (Quake or 3DGS) files.
+ *
+ * This must be a valid path to a file. The file is 768 (256*3) bytes
+ * large and contains RGB triplets for each of the 256 palette entries.
+ * The default value is colormap.lmp. If the file is not found,
+ * a default palette (from Quake 1) is used.
+ * Property type: string.
+ */
+#define AI_CONFIG_IMPORT_MDL_COLORMAP       \
+    "IMPORT_MDL_COLORMAP"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_RemoveRedundantMaterials step to
+ *  keep materials matching a name in a given list.
+ *
+ * This is a list of 1 to n strings, ' ' serves as delimiter character.
+ * Identifiers containing whitespaces must be enclosed in *single*
+ * quotation marks. For example:<tt>
+ * "keep-me and_me_to anotherMaterialToBeKept \'name with whitespace\'"</tt>.
+ * If a material matches on of these names, it will not be modified or
+ * removed by the postprocessing step nor will other materials be replaced
+ * by a reference to it. <br>
+ * This option might be useful if you are using some magic material names
+ * to pass additional semantics through the content pipeline. This ensures
+ * they won't be optimized away, but a general optimization is still
+ * performed for materials not contained in the list.
+ * Property type: String. Default value: n/a
+ * @note Linefeeds, tabs or carriage returns are treated as whitespace.
+ *   Material names are case sensitive.
+ */
+#define AI_CONFIG_PP_RRM_EXCLUDE_LIST   \
+    "PP_RRM_EXCLUDE_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to
+ *  keep the scene hierarchy. Meshes are moved to worldspace, but
+ *  no optimization is performed (read: meshes with equal materials are not
+ *  joined. The total number of meshes won't change).
+ *
+ * This option could be of use for you if the scene hierarchy contains
+ * important additional information which you intend to parse.
+ * For rendering, you can still render all meshes in the scene without
+ * any transformations.
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_PTV_KEEP_HIERARCHY     \
+    "PP_PTV_KEEP_HIERARCHY"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to normalize
+ *  all vertex components into the [-1,1] range. That is, a bounding box
+ *  for the whole scene is computed, the maximum component is taken and all
+ *  meshes are scaled appropriately (uniformly of course!).
+ *  This might be useful if you don't know the spatial dimension of the input
+ *  data*/
+#define AI_CONFIG_PP_PTV_NORMALIZE  \
+    "PP_PTV_NORMALIZE"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to use
+ *  a users defined matrix as the scene root node transformation before
+ *  transforming vertices.
+ *  Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_PTV_ADD_ROOT_TRANSFORMATION    \
+    "PP_PTV_ADD_ROOT_TRANSFORMATION"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_PreTransformVertices step to use
+ *  a users defined matrix as the scene root node transformation before
+ *  transforming vertices. This property correspond to the 'a1' component
+ *  of the transformation matrix.
+ *  Property type: aiMatrix4x4.
+ */
+#define AI_CONFIG_PP_PTV_ROOT_TRANSFORMATION    \
+    "PP_PTV_ROOT_TRANSFORMATION"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_FindDegenerates step to
+ *  remove degenerated primitives from the import - immediately.
+ *
+ * The default behaviour converts degenerated triangles to lines and
+ * degenerated lines to points. See the documentation to the
+ * #aiProcess_FindDegenerates step for a detailed example of the various ways
+ * to get rid of these lines and points if you don't want them.
+ * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_PP_FD_REMOVE \
+    "PP_FD_REMOVE"
+
+// ---------------------------------------------------------------------------
+/**
+ *  @brief  Configures the #aiProcess_FindDegenerates to check the area of a
+ *  trinagle to be greates than e-6. If this is not the case the triangle will
+ *  be removed if #AI_CONFIG_PP_FD_REMOVE is set to true.
+ */
+#define AI_CONFIG_PP_FD_CHECKAREA \
+    "PP_FD_CHECKAREA"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the #aiProcess_OptimizeGraph step to preserve nodes
+ * matching a name in a given list.
+ *
+ * This is a list of 1 to n strings, ' ' serves as delimiter character.
+ * Identifiers containing whitespaces must be enclosed in *single*
+ * quotation marks. For example:<tt>
+ * "keep-me and_me_to anotherNodeToBeKept \'name with whitespace\'"</tt>.
+ * If a node matches on of these names, it will not be modified or
+ * removed by the postprocessing step.<br>
+ * This option might be useful if you are using some magic node names
+ * to pass additional semantics through the content pipeline. This ensures
+ * they won't be optimized away, but a general optimization is still
+ * performed for nodes not contained in the list.
+ * Property type: String. Default value: n/a
+ * @note Linefeeds, tabs or carriage returns are treated as whitespace.
+ *   Node names are case sensitive.
+ */
+#define AI_CONFIG_PP_OG_EXCLUDE_LIST    \
+    "PP_OG_EXCLUDE_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the maximum number of triangles in a mesh.
+ *
+ * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
+ * whether a mesh must be split or not.
+ * @note The default value is AI_SLM_DEFAULT_MAX_TRIANGLES
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_SLM_TRIANGLE_LIMIT \
+    "PP_SLM_TRIANGLE_LIMIT"
+
+// default value for AI_CONFIG_PP_SLM_TRIANGLE_LIMIT
+#if (!defined AI_SLM_DEFAULT_MAX_TRIANGLES)
+#   define AI_SLM_DEFAULT_MAX_TRIANGLES     1000000
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the maximum number of vertices in a mesh.
+ *
+ * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
+ * whether a mesh must be split or not.
+ * @note The default value is AI_SLM_DEFAULT_MAX_VERTICES
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_SLM_VERTEX_LIMIT \
+    "PP_SLM_VERTEX_LIMIT"
+
+// default value for AI_CONFIG_PP_SLM_VERTEX_LIMIT
+#if (!defined AI_SLM_DEFAULT_MAX_VERTICES)
+#   define AI_SLM_DEFAULT_MAX_VERTICES      1000000
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Set the maximum number of bones affecting a single vertex
+ *
+ * This is used by the #aiProcess_LimitBoneWeights PostProcess-Step.
+ * @note The default value is AI_LMW_MAX_WEIGHTS
+ * Property type: integer.*/
+#define AI_CONFIG_PP_LBW_MAX_WEIGHTS    \
+    "PP_LBW_MAX_WEIGHTS"
+
+// default value for AI_CONFIG_PP_LBW_MAX_WEIGHTS
+#if (!defined AI_LMW_MAX_WEIGHTS)
+#   define AI_LMW_MAX_WEIGHTS   0x4
+#endif // !! AI_LMW_MAX_WEIGHTS
+
+// ---------------------------------------------------------------------------
+/** @brief Lower the deboning threshold in order to remove more bones.
+ *
+ * This is used by the #aiProcess_Debone PostProcess-Step.
+ * @note The default value is AI_DEBONE_THRESHOLD
+ * Property type: float.*/
+#define AI_CONFIG_PP_DB_THRESHOLD \
+    "PP_DB_THRESHOLD"
+
+// default value for AI_CONFIG_PP_LBW_MAX_WEIGHTS
+#if (!defined AI_DEBONE_THRESHOLD)
+#   define AI_DEBONE_THRESHOLD  1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------------------------------------------------------------------------
+/** @brief Require all bones qualify for deboning before removing any
+ *
+ * This is used by the #aiProcess_Debone PostProcess-Step.
+ * @note The default value is 0
+ * Property type: bool.*/
+#define AI_CONFIG_PP_DB_ALL_OR_NONE \
+    "PP_DB_ALL_OR_NONE"
+
+/** @brief Default value for the #AI_CONFIG_PP_ICL_PTCACHE_SIZE property
+ */
+#ifndef PP_ICL_PTCACHE_SIZE
+#   define PP_ICL_PTCACHE_SIZE 12
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Set the size of the post-transform vertex cache to optimize the
+ *    vertices for. This configures the #aiProcess_ImproveCacheLocality step.
+ *
+ * The size is given in vertices. Of course you can't know how the vertex
+ * format will exactly look like after the import returns, but you can still
+ * guess what your meshes will probably have.
+ * @note The default value is #PP_ICL_PTCACHE_SIZE. That results in slight
+ * performance improvements for most nVidia/AMD cards since 2002.
+ * Property type: integer.
+ */
+#define AI_CONFIG_PP_ICL_PTCACHE_SIZE   "PP_ICL_PTCACHE_SIZE"
+
+// ---------------------------------------------------------------------------
+/** @brief Enumerates components of the aiScene and aiMesh data structures
+ *  that can be excluded from the import using the #aiProcess_RemoveComponent step.
+ *
+ *  See the documentation to #aiProcess_RemoveComponent for more details.
+ */
+enum aiComponent
+{
+    /** Normal vectors */
+#ifdef SWIG
+    aiComponent_NORMALS = 0x2,
+#else
+    aiComponent_NORMALS = 0x2u,
+#endif
+
+    /** Tangents and bitangents go always together ... */
+#ifdef SWIG
+    aiComponent_TANGENTS_AND_BITANGENTS = 0x4,
+#else
+    aiComponent_TANGENTS_AND_BITANGENTS = 0x4u,
+#endif
+
+    /** ALL color sets
+     * Use aiComponent_COLORn(N) to specify the N'th set */
+    aiComponent_COLORS = 0x8,
+
+    /** ALL texture UV sets
+     * aiComponent_TEXCOORDn(N) to specify the N'th set  */
+    aiComponent_TEXCOORDS = 0x10,
+
+    /** Removes all bone weights from all meshes.
+     * The scenegraph nodes corresponding to the bones are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+    aiComponent_BONEWEIGHTS = 0x20,
+
+    /** Removes all node animations (aiScene::mAnimations).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+    aiComponent_ANIMATIONS = 0x40,
+
+    /** Removes all embedded textures (aiScene::mTextures) */
+    aiComponent_TEXTURES = 0x80,
+
+    /** Removes all light sources (aiScene::mLights).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+    aiComponent_LIGHTS = 0x100,
+
+    /** Removes all cameras (aiScene::mCameras).
+     * The corresponding scenegraph nodes are NOT removed.
+     * use the #aiProcess_OptimizeGraph step to do this */
+    aiComponent_CAMERAS = 0x200,
+
+    /** Removes all meshes (aiScene::mMeshes). */
+    aiComponent_MESHES = 0x400,
+
+    /** Removes all materials. One default material will
+     * be generated, so aiScene::mNumMaterials will be 1. */
+    aiComponent_MATERIALS = 0x800,
+
+
+    /** This value is not used. It is just there to force the
+     *  compiler to map this enum to a 32 Bit integer. */
+#ifndef SWIG
+    _aiComponent_Force32Bit = 0x9fffffff
+#endif
+};
+
+// Remove a specific color channel 'n'
+#define aiComponent_COLORSn(n) (1u << (n+20u))
+
+// Remove a specific UV channel 'n'
+#define aiComponent_TEXCOORDSn(n) (1u << (n+25u))
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_RemoveComponent step:
+ *  Specifies the parts of the data structure to be removed.
+ *
+ * See the documentation to this step for further details. The property
+ * is expected to be an integer, a bitwise combination of the
+ * #aiComponent flags defined above in this header. The default
+ * value is 0. Important: if no valid mesh is remaining after the
+ * step has been executed (e.g you thought it was funny to specify ALL
+ * of the flags defined above) the import FAILS. Mainly because there is
+ * no data to work on anymore ...
+ */
+#define AI_CONFIG_PP_RVC_FLAGS              \
+    "PP_RVC_FLAGS"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_SortByPType step:
+ *  Specifies which primitive types are removed by the step.
+ *
+ *  This is a bitwise combination of the aiPrimitiveType flags.
+ *  Specifying all of them is illegal, of course. A typical use would
+ *  be to exclude all line and point meshes from the import. This
+ *  is an integer property, its default value is 0.
+ */
+#define AI_CONFIG_PP_SBP_REMOVE             \
+    "PP_SBP_REMOVE"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_FindInvalidData step:
+ *  Specifies the floating-point accuracy for animation values. The step
+ *  checks for animation tracks where all frame values are absolutely equal
+ *  and removes them. This tweakable controls the epsilon for floating-point
+ *  comparisons - two keys are considered equal if the invariant
+ *  abs(n0-n1)>epsilon holds true for all vector respectively quaternion
+ *  components. The default value is 0.f - comparisons are exact then.
+ */
+#define AI_CONFIG_PP_FID_ANIM_ACCURACY              \
+    "PP_FID_ANIM_ACCURACY"
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_FindInvalidData step:
+ *  Set to true to ignore texture coordinates. This may be useful if you have
+ *  to assign different kind of textures like one for the summer or one for the winter.
+ */
+#define AI_CONFIG_PP_FID_IGNORE_TEXTURECOORDS        \
+    "PP_FID_IGNORE_TEXTURECOORDS"
+
+// TransformUVCoords evaluates UV scalings
+#define AI_UVTRAFO_SCALING 0x1
+
+// TransformUVCoords evaluates UV rotations
+#define AI_UVTRAFO_ROTATION 0x2
+
+// TransformUVCoords evaluates UV translation
+#define AI_UVTRAFO_TRANSLATION 0x4
+
+// Everything baked together -> default value
+#define AI_UVTRAFO_ALL (AI_UVTRAFO_SCALING | AI_UVTRAFO_ROTATION | AI_UVTRAFO_TRANSLATION)
+
+// ---------------------------------------------------------------------------
+/** @brief Input parameter to the #aiProcess_TransformUVCoords step:
+ *  Specifies which UV transformations are evaluated.
+ *
+ *  This is a bitwise combination of the AI_UVTRAFO_XXX flags (integer
+ *  property, of course). By default all transformations are enabled
+ * (AI_UVTRAFO_ALL).
+ */
+#define AI_CONFIG_PP_TUV_EVALUATE               \
+    "PP_TUV_EVALUATE"
+
+// ---------------------------------------------------------------------------
+/** @brief A hint to assimp to favour speed against import quality.
+ *
+ * Enabling this option may result in faster loading, but it needn't.
+ * It represents just a hint to loaders and post-processing steps to use
+ * faster code paths, if possible.
+ * This property is expected to be an integer, != 0 stands for true.
+ * The default value is 0.
+ */
+#define AI_CONFIG_FAVOUR_SPEED              \
+ "FAVOUR_SPEED"
+
+
+// ###########################################################################
+// IMPORTER SETTINGS
+// Various stuff to fine-tune the behaviour of specific importer plugins.
+// ###########################################################################
+
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will merge all geometry layers present
+ *    in the source file or take only the first.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS \
+    "IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read all materials present in the
+ *    source file or take only the referenced materials.
+ *
+ * This is void unless IMPORT_FBX_READ_MATERIALS=1.
+ *
+ * The default value is false (0)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ALL_MATERIALS \
+    "IMPORT_FBX_READ_ALL_MATERIALS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read materials.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_MATERIALS \
+    "IMPORT_FBX_READ_MATERIALS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read embedded textures.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_TEXTURES \
+    "IMPORT_FBX_READ_TEXTURES"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read cameras.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_CAMERAS \
+    "IMPORT_FBX_READ_CAMERAS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read light sources.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_LIGHTS \
+    "IMPORT_FBX_READ_LIGHTS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will read animations.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_READ_ANIMATIONS \
+    "IMPORT_FBX_READ_ANIMATIONS"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will act in strict mode in which only
+ *    FBX 2013 is supported and any other sub formats are rejected. FBX 2013
+ *    is the primary target for the importer, so this format is best
+ *    supported and well-tested.
+ *
+ * The default value is false (0)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_STRICT_MODE \
+    "IMPORT_FBX_STRICT_MODE"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will preserve pivot points for
+ *    transformations (as extra nodes). If set to false, pivots and offsets
+ *    will be evaluated whenever possible.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS \
+    "IMPORT_FBX_PRESERVE_PIVOTS"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the importer will drop empty animation curves or
+ *    animation curves which match the bind pose transformation over their
+ *    entire defined range.
+ *
+ * The default value is true (1)
+ * Property type: bool
+ */
+#define AI_CONFIG_IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES \
+    "IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES"
+
+// ---------------------------------------------------------------------------
+/** @brief Set whether the fbx importer will use the legacy embedded texture naming.
+*
+* The default value is false (0)
+* Property type: bool
+*/
+#define AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING \
+	"AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING"
+	
+// ---------------------------------------------------------------------------
+/** @brief  Set the vertex animation keyframe to be imported
+ *
+ * ASSIMP does not support vertex keyframes (only bone animation is supported).
+ * The library reads only one frame of models with vertex animations.
+ * By default this is the first frame.
+ * \note The default value is 0. This option applies to all importers.
+ *   However, it is also possible to override the global setting
+ *   for a specific loader. You can use the AI_CONFIG_IMPORT_XXX_KEYFRAME
+ *   options (where XXX is a placeholder for the file format for which you
+ *   want to override the global setting).
+ * Property type: integer.
+ */
+#define AI_CONFIG_IMPORT_GLOBAL_KEYFRAME    "IMPORT_GLOBAL_KEYFRAME"
+
+#define AI_CONFIG_IMPORT_MD3_KEYFRAME       "IMPORT_MD3_KEYFRAME"
+#define AI_CONFIG_IMPORT_MD2_KEYFRAME       "IMPORT_MD2_KEYFRAME"
+#define AI_CONFIG_IMPORT_MDL_KEYFRAME       "IMPORT_MDL_KEYFRAME"
+#define AI_CONFIG_IMPORT_MDC_KEYFRAME       "IMPORT_MDC_KEYFRAME"
+#define AI_CONFIG_IMPORT_SMD_KEYFRAME       "IMPORT_SMD_KEYFRAME"
+#define AI_CONFIG_IMPORT_UNREAL_KEYFRAME    "IMPORT_UNREAL_KEYFRAME"
+
+// ---------------------------------------------------------------------------
+/** Smd load multiple animations
+ *
+ *  Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_SMD_LOAD_ANIMATION_LIST "IMPORT_SMD_LOAD_ANIMATION_LIST"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the AC loader to collect all surfaces which have the
+ *    "Backface cull" flag set in separate meshes.
+ *
+ *  Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_AC_SEPARATE_BFCULL \
+    "IMPORT_AC_SEPARATE_BFCULL"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures whether the AC loader evaluates subdivision surfaces (
+ *  indicated by the presence of the 'subdiv' attribute in the file). By
+ *  default, Assimp performs the subdivision using the standard
+ *  Catmull-Clark algorithm
+ *
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_AC_EVAL_SUBDIVISION    \
+    "IMPORT_AC_EVAL_SUBDIVISION"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the UNREAL 3D loader to separate faces with different
+ *    surface flags (e.g. two-sided vs. single-sided).
+ *
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS \
+    "UNREAL_HANDLE_FLAGS"
+
+// ---------------------------------------------------------------------------
+/** @brief Configures the terragen import plugin to compute uv's for
+ *  terrains, if not given. Furthermore a default texture is assigned.
+ *
+ * UV coordinates for terrains are so simple to compute that you'll usually
+ * want to compute them on your own, if you need them. This option is intended
+ * for model viewers which want to offer an easy way to apply textures to
+ * terrains.
+ * * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_TER_MAKE_UVS \
+    "IMPORT_TER_MAKE_UVS"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the ASE loader to always reconstruct normal vectors
+ *  basing on the smoothing groups loaded from the file.
+ *
+ * Some ASE files have carry invalid normals, other don't.
+ * * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_ASE_RECONSTRUCT_NORMALS    \
+    "IMPORT_ASE_RECONSTRUCT_NORMALS"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the M3D loader to detect and process multi-part
+ *    Quake player models.
+ *
+ * These models usually consist of 3 files, lower.md3, upper.md3 and
+ * head.md3. If this property is set to true, Assimp will try to load and
+ * combine all three files if one of them is loaded.
+ * Property type: bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_MD3_HANDLE_MULTIPART \
+    "IMPORT_MD3_HANDLE_MULTIPART"
+
+// ---------------------------------------------------------------------------
+/** @brief  Tells the MD3 loader which skin files to load.
+ *
+ * When loading MD3 files, Assimp checks whether a file
+ * [md3_file_name]_[skin_name].skin is existing. These files are used by
+ * Quake III to be able to assign different skins (e.g. red and blue team)
+ * to models. 'default', 'red', 'blue' are typical skin names.
+ * Property type: String. Default value: "default".
+ */
+#define AI_CONFIG_IMPORT_MD3_SKIN_NAME \
+    "IMPORT_MD3_SKIN_NAME"
+
+// ---------------------------------------------------------------------------
+/** @brief  Specify the Quake 3 shader file to be used for a particular
+ *  MD3 file. This can also be a search path.
+ *
+ * By default Assimp's behaviour is as follows: If a MD3 file
+ * <tt>any_path/models/any_q3_subdir/model_name/file_name.md3</tt> is
+ * loaded, the library tries to locate the corresponding shader file in
+ * <tt>any_path/scripts/model_name.shader</tt>. This property overrides this
+ * behaviour. It can either specify a full path to the shader to be loaded
+ * or alternatively the path (relative or absolute) to the directory where
+ * the shaders for all MD3s to be loaded reside. Assimp attempts to open
+ * <tt>IMPORT_MD3_SHADER_SRC/model_name.shader</tt> first, <tt>IMPORT_MD3_SHADER_SRC/file_name.shader</tt>
+ * is the fallback file. Note that IMPORT_MD3_SHADER_SRC should have a terminal (back)slash.
+ * Property type: String. Default value: n/a.
+ */
+#define AI_CONFIG_IMPORT_MD3_SHADER_SRC \
+    "IMPORT_MD3_SHADER_SRC"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the LWO loader to load just one layer from the model.
+ *
+ * LWO files consist of layers and in some cases it could be useful to load
+ * only one of them. This property can be either a string - which specifies
+ * the name of the layer - or an integer - the index of the layer. If the
+ * property is not set the whole LWO model is loaded. Loading fails if the
+ * requested layer is not available. The layer index is zero-based and the
+ * layer name may not be empty.<br>
+ * Property type: Integer. Default value: all layers are loaded.
+ */
+#define AI_CONFIG_IMPORT_LWO_ONE_LAYER_ONLY         \
+    "IMPORT_LWO_ONE_LAYER_ONLY"
+
+// ---------------------------------------------------------------------------
+/** @brief  Configures the MD5 loader to not load the MD5ANIM file for
+ *  a MD5MESH file automatically.
+ *
+ * The default strategy is to look for a file with the same name but the
+ * MD5ANIM extension in the same directory. If it is found, it is loaded
+ * and combined with the MD5MESH file. This configuration option can be
+ * used to disable this behaviour.
+ *
+ * * Property type: bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_MD5_NO_ANIM_AUTOLOAD           \
+    "IMPORT_MD5_NO_ANIM_AUTOLOAD"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines the begin of the time range for which the LWS loader
+ *    evaluates animations and computes aiNodeAnim's.
+ *
+ * Assimp provides full conversion of LightWave's envelope system, including
+ * pre and post conditions. The loader computes linearly subsampled animation
+ * chanels with the frame rate given in the LWS file. This property defines
+ * the start time. Note: animation channels are only generated if a node
+ * has at least one envelope with more tan one key assigned. This property.
+ * is given in frames, '0' is the first frame. By default, if this property
+ * is not set, the importer takes the animation start from the input LWS
+ * file ('FirstFrame' line)<br>
+ * Property type: Integer. Default value: taken from file.
+ *
+ * @see AI_CONFIG_IMPORT_LWS_ANIM_END - end of the imported time range
+ */
+#define AI_CONFIG_IMPORT_LWS_ANIM_START         \
+    "IMPORT_LWS_ANIM_START"
+#define AI_CONFIG_IMPORT_LWS_ANIM_END           \
+    "IMPORT_LWS_ANIM_END"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines the output frame rate of the IRR loader.
+ *
+ * IRR animations are difficult to convert for Assimp and there will
+ * always be a loss of quality. This setting defines how many keys per second
+ * are returned by the converter.<br>
+ * Property type: integer. Default value: 100
+ */
+#define AI_CONFIG_IMPORT_IRR_ANIM_FPS               \
+    "IMPORT_IRR_ANIM_FPS"
+
+// ---------------------------------------------------------------------------
+/** @brief Ogre Importer will try to find referenced materials from this file.
+ *
+ * Ogre meshes reference with material names, this does not tell Assimp the file
+ * where it is located in. Assimp will try to find the source file in the following
+ * order: <material-name>.material, <mesh-filename-base>.material and
+ * lastly the material name defined by this config property.
+ * <br>
+ * Property type: String. Default value: Scene.material.
+ */
+#define AI_CONFIG_IMPORT_OGRE_MATERIAL_FILE \
+    "IMPORT_OGRE_MATERIAL_FILE"
+
+// ---------------------------------------------------------------------------
+/** @brief Ogre Importer detect the texture usage from its filename.
+ *
+ * Ogre material texture units do not define texture type, the textures usage
+ * depends on the used shader or Ogre's fixed pipeline. If this config property
+ * is true Assimp will try to detect the type from the textures filename postfix:
+ * _n, _nrm, _nrml, _normal, _normals and _normalmap for normal map, _s, _spec,
+ * _specular and _specularmap for specular map, _l, _light, _lightmap, _occ
+ * and _occlusion for light map, _disp and _displacement for displacement map.
+ * The matching is case insensitive. Post fix is taken between the last
+ * underscore and the last period.
+ * Default behavior is to detect type from lower cased texture unit name by
+ * matching against: normalmap, specularmap, lightmap and displacementmap.
+ * For both cases if no match is found aiTextureType_DIFFUSE is used.
+ * <br>
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_OGRE_TEXTURETYPE_FROM_FILENAME \
+    "IMPORT_OGRE_TEXTURETYPE_FROM_FILENAME"
+
+ /** @brief Specifies whether the Android JNI asset extraction is supported.
+  *
+  * Turn on this option if you want to manage assets in native
+  * Android application without having to keep the internal directory and asset
+  * manager pointer.
+  */
+ #define AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT "AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the IFC loader skips over IfcSpace elements.
+ *
+ * IfcSpace elements (and their geometric representations) are used to
+ * represent, well, free space in a building storey.<br>
+ * Property type: Bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS "IMPORT_IFC_SKIP_SPACE_REPRESENTATIONS"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the IFC loader will use its own, custom triangulation
+ *   algorithm to triangulate wall and floor meshes.
+ *
+ * If this property is set to false, walls will be either triangulated by
+ * #aiProcess_Triangulate or will be passed through as huge polygons with
+ * faked holes (i.e. holes that are connected with the outer boundary using
+ * a dummy edge). It is highly recommended to set this property to true
+ * if you want triangulated data because #aiProcess_Triangulate is known to
+ * have problems with the kind of polygons that the IFC loader spits out for
+ * complicated meshes.
+ * Property type: Bool. Default value: true.
+ */
+#define AI_CONFIG_IMPORT_IFC_CUSTOM_TRIANGULATION "IMPORT_IFC_CUSTOM_TRIANGULATION"
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the tessellation conic angle for IFC smoothing curves.
+ *
+ * This is used by the IFC importer to determine the tessellation parameter
+ * for smoothing curves.
+ * @note The default value is AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE and the
+ * accepted values are in range [5.0, 120.0].
+ * Property type: Float.
+ */
+#define AI_CONFIG_IMPORT_IFC_SMOOTHING_ANGLE "IMPORT_IFC_SMOOTHING_ANGLE"
+
+// default value for AI_CONFIG_IMPORT_IFC_SMOOTHING_ANGLE
+#if (!defined AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE)
+#   define AI_IMPORT_IFC_DEFAULT_SMOOTHING_ANGLE 10.0f
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief  Set the tessellation for IFC cylindrical shapes.
+ *
+ * This is used by the IFC importer to determine the tessellation parameter
+ * for cylindrical shapes, i.e. the number of segments used to approximate a circle.
+ * @note The default value is AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION and the
+ * accepted values are in range [3, 180].
+ * Property type: Integer.
+ */
+#define AI_CONFIG_IMPORT_IFC_CYLINDRICAL_TESSELLATION "IMPORT_IFC_CYLINDRICAL_TESSELLATION"
+
+// default value for AI_CONFIG_IMPORT_IFC_CYLINDRICAL_TESSELLATION
+#if (!defined AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION)
+#   define AI_IMPORT_IFC_DEFAULT_CYLINDRICAL_TESSELLATION 32
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the Collada loader will ignore the provided up direction.
+ *
+ * If this property is set to true, the up direction provided in the file header will
+ * be ignored and the file will be loaded as is.
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION "IMPORT_COLLADA_IGNORE_UP_DIRECTION"
+
+// ---------------------------------------------------------------------------
+/** @brief Specifies whether the Collada loader should use Collada names as node names.
+ *
+ * If this property is set to true, the Collada names will be used as the
+ * node name. The default is to use the id tag (resp. sid tag, if no id tag is present)
+ * instead.
+ * Property type: Bool. Default value: false.
+ */
+#define AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES "IMPORT_COLLADA_USE_COLLADA_NAMES"
+
+// ---------- All the Export defines ------------
+
+/** @brief Specifies the xfile use double for real values of float
+ *
+ * Property type: Bool. Default value: false.
+ */
+
+#define AI_CONFIG_EXPORT_XFILE_64BIT "EXPORT_XFILE_64BIT"
+
+/**
+ *
+ */
+#define AI_CONFIG_EXPORT_POINT_CLOUDS "EXPORT_POINT_CLOUDS"
+
+/**
+ *  @brief  Specifies a gobal key factor for scale, float value
+ */
+#define AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY "GLOBAL_SCALE_FACTOR"
+
+#if (!defined AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT)
+#   define AI_CONFIG_GLOBAL_SCALE_FACTOR_DEFAULT  1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------- All the Build/Compile-time defines ------------
+
+/** @brief Specifies if double precision is supported inside assimp
+ *
+ * Property type: Bool. Default value: undefined.
+ */
+
+#cmakedefine ASSIMP_DOUBLE_PRECISION 1
+
+#endif // !! AI_CONFIG_H_INC
diff --git a/thirdparty/assimp/include/assimp/defs.h b/thirdparty/assimp/include/assimp/defs.h
new file mode 100644
index 0000000000..4a177e3c3e
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/defs.h
@@ -0,0 +1,303 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file defs.h
+ *  @brief Assimp build configuration setup. See the notes in the comment
+ *  blocks to find out how to customize _your_ Assimp build.
+ */
+
+#pragma once
+#ifndef AI_DEFINES_H_INC
+#define AI_DEFINES_H_INC
+
+#include <assimp/config.h>
+
+//////////////////////////////////////////////////////////////////////////
+/* Define ASSIMP_BUILD_NO_XX_IMPORTER to disable a specific
+ * file format loader. The loader is be excluded from the
+ * build in this case. 'XX' stands for the most common file
+ * extension of the file format. E.g.:
+ * ASSIMP_BUILD_NO_X_IMPORTER disables the X loader.
+ *
+ * If you're unsure about that, take a look at the implementation of the
+ * import plugin you wish to disable. You'll find the right define in the
+ * first lines of the corresponding unit.
+ *
+ * Other (mixed) configuration switches are listed here:
+ *    ASSIMP_BUILD_NO_COMPRESSED_X
+ *      - Disable support for compressed X files (zip)
+ *    ASSIMP_BUILD_NO_COMPRESSED_BLEND
+ *      - Disable support for compressed Blender files (zip)
+ *    ASSIMP_BUILD_NO_COMPRESSED_IFC
+ *      - Disable support for IFCZIP files (unzip)
+ */
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef ASSIMP_BUILD_NO_COMPRESSED_X
+#   define ASSIMP_BUILD_NEED_Z_INFLATE
+#endif
+
+#ifndef ASSIMP_BUILD_NO_COMPRESSED_BLEND
+#   define ASSIMP_BUILD_NEED_Z_INFLATE
+#endif
+
+#ifndef ASSIMP_BUILD_NO_COMPRESSED_IFC
+#   define ASSIMP_BUILD_NEED_Z_INFLATE
+#   define ASSIMP_BUILD_NEED_UNZIP
+#endif
+
+#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
+#   define ASSIMP_BUILD_NEED_Z_INFLATE
+#   define ASSIMP_BUILD_NEED_UNZIP
+#endif
+
+//////////////////////////////////////////////////////////////////////////
+/* Define ASSIMP_BUILD_NO_XX_PROCESS to disable a specific
+ * post processing step. This is the current list of process names ('XX'):
+ * CALCTANGENTS
+ * JOINVERTICES
+ * TRIANGULATE
+ * DROPFACENORMALS
+ * GENFACENORMALS
+ * GENVERTEXNORMALS
+ * REMOVEVC
+ * SPLITLARGEMESHES
+ * PRETRANSFORMVERTICES
+ * LIMITBONEWEIGHTS
+ * VALIDATEDS
+ * IMPROVECACHELOCALITY
+ * FIXINFACINGNORMALS
+ * REMOVE_REDUNDANTMATERIALS
+ * OPTIMIZEGRAPH
+ * SORTBYPTYPE
+ * FINDINVALIDDATA
+ * TRANSFORMTEXCOORDS
+ * GENUVCOORDS
+ * ENTITYMESHBUILDER
+ * EMBEDTEXTURES
+ * MAKELEFTHANDED
+ * FLIPUVS
+ * FLIPWINDINGORDER
+ * OPTIMIZEMESHES
+ * OPTIMIZEANIMS
+ * OPTIMIZEGRAPH
+ * GENENTITYMESHES
+ * FIXTEXTUREPATHS */
+//////////////////////////////////////////////////////////////////////////
+
+#ifdef _MSC_VER
+#   undef ASSIMP_API
+
+    //////////////////////////////////////////////////////////////////////////
+    /* Define 'ASSIMP_BUILD_DLL_EXPORT' to build a DLL of the library */
+    //////////////////////////////////////////////////////////////////////////
+#   ifdef ASSIMP_BUILD_DLL_EXPORT
+#       define ASSIMP_API __declspec(dllexport)
+#       define ASSIMP_API_WINONLY __declspec(dllexport)
+#       pragma warning (disable : 4251)
+
+    //////////////////////////////////////////////////////////////////////////
+    /* Define 'ASSIMP_DLL' before including Assimp to link to ASSIMP in
+     * an external DLL under Windows. Default is static linkage. */
+    //////////////////////////////////////////////////////////////////////////
+#   elif (defined ASSIMP_DLL)
+#       define ASSIMP_API __declspec(dllimport)
+#       define ASSIMP_API_WINONLY __declspec(dllimport)
+#   else
+#       define ASSIMP_API
+#       define ASSIMP_API_WINONLY
+#   endif
+
+    /* Force the compiler to inline a function, if possible
+     */
+#   define AI_FORCE_INLINE __forceinline
+
+    /* Tells the compiler that a function never returns. Used in code analysis
+     * to skip dead paths (e.g. after an assertion evaluated to false). */
+#   define AI_WONT_RETURN __declspec(noreturn)
+
+#elif defined(SWIG)
+
+    /* Do nothing, the relevant defines are all in AssimpSwigPort.i */
+
+#else
+
+#   define AI_WONT_RETURN
+
+#   define ASSIMP_API __attribute__ ((visibility("default")))
+#   define ASSIMP_API_WINONLY
+#   define AI_FORCE_INLINE inline
+#endif // (defined _MSC_VER)
+
+#ifdef __GNUC__
+#   define AI_WONT_RETURN_SUFFIX  __attribute__((noreturn))
+#else
+#   define AI_WONT_RETURN_SUFFIX
+#endif // (defined __clang__)
+
+#ifdef __cplusplus
+    /* No explicit 'struct' and 'enum' tags for C++, this keeps showing up
+     * in doxydocs.
+     */
+#   define C_STRUCT
+#   define C_ENUM
+#else
+    //////////////////////////////////////////////////////////////////////////
+    /* To build the documentation, make sure ASSIMP_DOXYGEN_BUILD
+     * is defined by Doxygen's preprocessor. The corresponding
+     * entries in the DOXYFILE are: */
+    //////////////////////////////////////////////////////////////////////////
+#if 0
+    ENABLE_PREPROCESSING   = YES
+    MACRO_EXPANSION        = YES
+    EXPAND_ONLY_PREDEF     = YES
+    SEARCH_INCLUDES        = YES
+    INCLUDE_PATH           =
+    INCLUDE_FILE_PATTERNS  =
+    PREDEFINED             = ASSIMP_DOXYGEN_BUILD=1
+    EXPAND_AS_DEFINED      = C_STRUCT C_ENUM
+    SKIP_FUNCTION_MACROS   = YES
+#endif
+    //////////////////////////////////////////////////////////////////////////
+    /* Doxygen gets confused if we use c-struct typedefs to avoid
+     * the explicit 'struct' notation. This trick here has the same
+     * effect as the TYPEDEF_HIDES_STRUCT option, but we don't need
+     * to typedef all structs/enums. */
+     //////////////////////////////////////////////////////////////////////////
+#   if (defined ASSIMP_DOXYGEN_BUILD)
+#       define C_STRUCT
+#       define C_ENUM
+#   else
+#       define C_STRUCT struct
+#       define C_ENUM   enum
+#   endif
+#endif
+
+#if (defined(__BORLANDC__) || defined (__BCPLUSPLUS__))
+#error Currently, Borland is unsupported. Feel free to port Assimp.
+
+// "W8059 Packgröße der Struktur geändert"
+
+#endif
+
+
+    //////////////////////////////////////////////////////////////////////////
+    /* Define ASSIMP_BUILD_SINGLETHREADED to compile assimp
+     * without threading support. The library doesn't utilize
+     * threads then and is itself not threadsafe. */
+    //////////////////////////////////////////////////////////////////////////
+#ifndef ASSIMP_BUILD_SINGLETHREADED
+#   define ASSIMP_BUILD_SINGLETHREADED
+#endif
+
+#if defined(_DEBUG) || ! defined(NDEBUG)
+#   define ASSIMP_BUILD_DEBUG
+#endif
+
+    //////////////////////////////////////////////////////////////////////////
+    /* Define ASSIMP_DOUBLE_PRECISION to compile assimp
+     * with double precision support (64-bit). */
+    //////////////////////////////////////////////////////////////////////////
+
+#ifdef ASSIMP_DOUBLE_PRECISION
+    typedef double ai_real;
+    typedef signed long long int ai_int;
+    typedef unsigned long long int ai_uint;
+#else // ASSIMP_DOUBLE_PRECISION
+    typedef float ai_real;
+    typedef signed int ai_int;
+    typedef unsigned int ai_uint;
+#endif // ASSIMP_DOUBLE_PRECISION
+
+    //////////////////////////////////////////////////////////////////////////
+    /* Useful constants */
+    //////////////////////////////////////////////////////////////////////////
+
+/* This is PI. Hi PI. */
+#define AI_MATH_PI          (3.141592653589793238462643383279 )
+#define AI_MATH_TWO_PI      (AI_MATH_PI * 2.0)
+#define AI_MATH_HALF_PI     (AI_MATH_PI * 0.5)
+
+/* And this is to avoid endless casts to float */
+#define AI_MATH_PI_F        (3.1415926538f)
+#define AI_MATH_TWO_PI_F    (AI_MATH_PI_F * 2.0f)
+#define AI_MATH_HALF_PI_F   (AI_MATH_PI_F * 0.5f)
+
+/* Tiny macro to convert from radians to degrees and back */
+#define AI_DEG_TO_RAD(x) ((x)*(ai_real)0.0174532925)
+#define AI_RAD_TO_DEG(x) ((x)*(ai_real)57.2957795)
+
+/* Support for big-endian builds */
+#if defined(__BYTE_ORDER__)
+#   if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+#       if !defined(__BIG_ENDIAN__)
+#           define __BIG_ENDIAN__
+#       endif
+#   else /* little endian */
+#       if defined (__BIG_ENDIAN__)
+#           undef __BIG_ENDIAN__
+#       endif
+#   endif
+#endif
+#if defined(__BIG_ENDIAN__)
+#   define AI_BUILD_BIG_ENDIAN
+#endif
+
+
+/* To avoid running out of memory
+ * This can be adjusted for specific use cases
+ * It's NOT a total limit, just a limit for individual allocations
+ */
+#define AI_MAX_ALLOC(type) ((256U * 1024 * 1024) / sizeof(type))
+
+#ifndef _MSC_VER
+#  define AI_NO_EXCEPT noexcept
+#else
+#  if (_MSC_VER == 1915 )
+#    define AI_NO_EXCEPT noexcept
+#  else
+#    define AI_NO_EXCEPT
+#  endif
+#endif
+
+#endif // !! AI_DEFINES_H_INC
diff --git a/thirdparty/assimp/include/assimp/fast_atof.h b/thirdparty/assimp/include/assimp/fast_atof.h
new file mode 100644
index 0000000000..62ea969e97
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/fast_atof.h
@@ -0,0 +1,373 @@
+#pragma once
+
+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine" and the "irrXML" project.
+// For conditions of distribution and use, see copyright notice in irrlicht.h and irrXML.h
+
+// ------------------------------------------------------------------------------------
+// Original description: (Schrompf)
+// Adapted to the ASSIMP library because the builtin atof indeed takes AGES to parse a
+// float inside a large string. Before parsing, it does a strlen on the given point.
+// Changes:
+//  22nd October 08 (Aramis_acg): Added temporary cast to double, added strtoul10_64
+//     to ensure long numbers are handled correctly
+// ------------------------------------------------------------------------------------
+
+
+#ifndef FAST_A_TO_F_H_INCLUDED
+#define FAST_A_TO_F_H_INCLUDED
+
+#include <cmath>
+#include <limits>
+#include <stdint.h>
+#include <stdexcept>
+#include <assimp/defs.h>
+
+#include "StringComparison.h"
+#include <assimp/DefaultLogger.hpp>
+
+#ifdef _MSC_VER
+#  include <stdint.h>
+#else
+#  include <assimp/Compiler/pstdint.h>
+#endif
+
+namespace Assimp {
+
+const double fast_atof_table[16] =  {  // we write [16] here instead of [] to work around a swig bug
+    0.0,
+    0.1,
+    0.01,
+    0.001,
+    0.0001,
+    0.00001,
+    0.000001,
+    0.0000001,
+    0.00000001,
+    0.000000001,
+    0.0000000001,
+    0.00000000001,
+    0.000000000001,
+    0.0000000000001,
+    0.00000000000001,
+    0.000000000000001
+};
+
+
+// ------------------------------------------------------------------------------------
+// Convert a string in decimal format to a number
+// ------------------------------------------------------------------------------------
+inline
+unsigned int strtoul10( const char* in, const char** out=0) {
+    unsigned int value = 0;
+
+    for ( ;; ) {
+        if ( *in < '0' || *in > '9' ) {
+            break;
+        }
+
+        value = ( value * 10 ) + ( *in - '0' );
+        ++in;
+    }
+    if ( out ) {
+        *out = in;
+    }
+    return value;
+}
+
+// ------------------------------------------------------------------------------------
+// Convert a string in octal format to a number
+// ------------------------------------------------------------------------------------
+inline
+unsigned int strtoul8( const char* in, const char** out=0) {
+    unsigned int value( 0 );
+    for ( ;; ) {
+        if ( *in < '0' || *in > '7' ) {
+            break;
+        }
+
+        value = ( value << 3 ) + ( *in - '0' );
+        ++in;
+    }
+    if ( out ) {
+        *out = in;
+    }
+    return value;
+}
+
+// ------------------------------------------------------------------------------------
+// Convert a string in hex format to a number
+// ------------------------------------------------------------------------------------
+inline
+unsigned int strtoul16( const char* in, const char** out=0) {
+    unsigned int value( 0 );
+    for ( ;; ) {
+        if ( *in >= '0' && *in <= '9' ) {
+            value = ( value << 4u ) + ( *in - '0' );
+        } else if (*in >= 'A' && *in <= 'F') {
+            value = ( value << 4u ) + ( *in - 'A' ) + 10;
+        } else if (*in >= 'a' && *in <= 'f') {
+            value = ( value << 4u ) + ( *in - 'a' ) + 10;
+        } else {
+            break;
+        }
+        ++in;
+    }
+    if ( out ) {
+        *out = in;
+    }
+    return value;
+}
+
+// ------------------------------------------------------------------------------------
+// Convert just one hex digit
+// Return value is UINT_MAX if the input character is not a hex digit.
+// ------------------------------------------------------------------------------------
+inline
+unsigned int HexDigitToDecimal(char in) {
+    unsigned int out( UINT_MAX );
+    if ( in >= '0' && in <= '9' ) {
+        out = in - '0';
+    } else if ( in >= 'a' && in <= 'f' ) {
+        out = 10u + in - 'a';
+    } else if ( in >= 'A' && in <= 'F' ) {
+        out = 10u + in - 'A';
+    }
+
+    // return value is UINT_MAX if the input is not a hex digit
+    return out;
+}
+
+// ------------------------------------------------------------------------------------
+// Convert a hex-encoded octet (2 characters, i.e. df or 1a).
+// ------------------------------------------------------------------------------------
+inline
+uint8_t HexOctetToDecimal(const char* in) {
+    return ((uint8_t)HexDigitToDecimal(in[0])<<4)+(uint8_t)HexDigitToDecimal(in[1]);
+}
+
+// ------------------------------------------------------------------------------------
+// signed variant of strtoul10
+// ------------------------------------------------------------------------------------
+inline
+int strtol10( const char* in, const char** out=0) {
+    bool inv = (*in=='-');
+    if ( inv || *in == '+' ) {
+        ++in;
+    }
+
+    int value = strtoul10(in,out);
+    if (inv) {
+        value = -value;
+    }
+    return value;
+}
+
+// ------------------------------------------------------------------------------------
+// Parse a C++-like integer literal - hex and oct prefixes.
+// 0xNNNN - hex
+// 0NNN   - oct
+// NNN    - dec
+// ------------------------------------------------------------------------------------
+inline
+unsigned int strtoul_cppstyle( const char* in, const char** out=0) {
+    if ('0' == in[0]) {
+        return 'x' == in[1] ? strtoul16(in+2,out) : strtoul8(in+1,out);
+    }
+    return strtoul10(in, out);
+}
+
+// ------------------------------------------------------------------------------------
+// Special version of the function, providing higher accuracy and safety
+// It is mainly used by fast_atof to prevent ugly and unwanted integer overflows.
+// ------------------------------------------------------------------------------------
+inline
+uint64_t strtoul10_64( const char* in, const char** out=0, unsigned int* max_inout=0) {
+    unsigned int cur = 0;
+    uint64_t value = 0;
+
+    if ( *in < '0' || *in > '9' ) {
+        throw std::invalid_argument( std::string( "The string \"" ) + in + "\" cannot be converted into a value." );
+    }
+
+    for ( ;; ) {
+        if ( *in < '0' || *in > '9' ) {
+            break;
+        }
+
+        const uint64_t new_value = ( value * (uint64_t) 10 ) + ( (uint64_t) ( *in - '0' ) );
+
+        // numeric overflow, we rely on you
+        if ( new_value < value ) {
+            ASSIMP_LOG_WARN_F( "Converting the string \"", in, "\" into a value resulted in overflow." );
+            return 0;
+        }
+
+        value = new_value;
+
+        ++in;
+        ++cur;
+
+        if (max_inout && *max_inout == cur) {
+            if (out) { /* skip to end */
+                while ( *in >= '0' && *in <= '9' ) {
+                    ++in;
+                }
+                *out = in;
+            }
+
+            return value;
+        }
+    }
+    if ( out ) {
+        *out = in;
+    }
+
+    if ( max_inout ) {
+        *max_inout = cur;
+    }
+
+    return value;
+}
+
+// ------------------------------------------------------------------------------------
+// signed variant of strtoul10_64
+// ------------------------------------------------------------------------------------
+inline
+int64_t strtol10_64(const char* in, const char** out = 0, unsigned int* max_inout = 0) {
+    bool inv = (*in == '-');
+    if ( inv || *in == '+' ) {
+        ++in;
+    }
+
+    int64_t value = strtoul10_64(in, out, max_inout);
+    if (inv) {
+        value = -value;
+    }
+    return value;
+}
+
+// Number of relevant decimals for floating-point parsing.
+#define AI_FAST_ATOF_RELAVANT_DECIMALS 15
+
+// ------------------------------------------------------------------------------------
+//! Provides a fast function for converting a string into a float,
+//! about 6 times faster than atof in win32.
+// If you find any bugs, please send them to me, niko (at) irrlicht3d.org.
+// ------------------------------------------------------------------------------------
+template<typename Real>
+inline
+const char* fast_atoreal_move(const char* c, Real& out, bool check_comma = true) {
+    Real f = 0;
+
+    bool inv = (*c == '-');
+    if (inv || *c == '+') {
+        ++c;
+    }
+
+    if ((c[0] == 'N' || c[0] == 'n') && ASSIMP_strincmp(c, "nan", 3) == 0) {
+        out = std::numeric_limits<Real>::quiet_NaN();
+        c += 3;
+        return c;
+    }
+
+    if ((c[0] == 'I' || c[0] == 'i') && ASSIMP_strincmp(c, "inf", 3) == 0) {
+        out = std::numeric_limits<Real>::infinity();
+        if (inv) {
+            out = -out;
+        }
+        c += 3;
+        if ((c[0] == 'I' || c[0] == 'i') && ASSIMP_strincmp(c, "inity", 5) == 0) {
+            c += 5;
+        }
+        return c;
+     }
+
+    if (!(c[0] >= '0' && c[0] <= '9') &&
+            !((c[0] == '.' || (check_comma && c[0] == ',')) && c[1] >= '0' && c[1] <= '9')) {
+        throw std::invalid_argument("Cannot parse string "
+                                    "as real number: does not start with digit "
+                                    "or decimal point followed by digit.");
+    }
+
+    if (*c != '.' && (! check_comma || c[0] != ',')) {
+        f = static_cast<Real>( strtoul10_64 ( c, &c) );
+    }
+
+    if ((*c == '.' || (check_comma && c[0] == ',')) && c[1] >= '0' && c[1] <= '9') {
+        ++c;
+
+        // NOTE: The original implementation is highly inaccurate here. The precision of a single
+        // IEEE 754 float is not high enough, everything behind the 6th digit tends to be more
+        // inaccurate than it would need to be. Casting to double seems to solve the problem.
+        // strtol_64 is used to prevent integer overflow.
+
+        // Another fix: this tends to become 0 for long numbers if we don't limit the maximum
+        // number of digits to be read. AI_FAST_ATOF_RELAVANT_DECIMALS can be a value between
+        // 1 and 15.
+        unsigned int diff = AI_FAST_ATOF_RELAVANT_DECIMALS;
+        double pl = static_cast<double>( strtoul10_64 ( c, &c, &diff ));
+
+        pl *= fast_atof_table[diff];
+        f += static_cast<Real>( pl );
+    }
+    // For backwards compatibility: eat trailing dots, but not trailing commas.
+    else if (*c == '.') {
+        ++c;
+    }
+
+    // A major 'E' must be allowed. Necessary for proper reading of some DXF files.
+    // Thanks to Zhao Lei to point out that this if() must be outside the if (*c == '.' ..)
+    if (*c == 'e' || *c == 'E') {
+        ++c;
+        const bool einv = (*c=='-');
+        if (einv || *c=='+') {
+            ++c;
+        }
+
+        // The reason float constants are used here is that we've seen cases where compilers
+        // would perform such casts on compile-time constants at runtime, which would be
+        // bad considering how frequently fast_atoreal_move<float> is called in Assimp.
+        Real exp = static_cast<Real>( strtoul10_64(c, &c) );
+        if (einv) {
+            exp = -exp;
+        }
+        f *= std::pow(static_cast<Real>(10.0), exp);
+    }
+
+    if (inv) {
+        f = -f;
+    }
+    out = f;
+    return c;
+}
+
+// ------------------------------------------------------------------------------------
+// The same but more human.
+inline
+ai_real fast_atof(const char* c) {
+    ai_real ret(0.0);
+    fast_atoreal_move<ai_real>(c, ret);
+
+    return ret;
+}
+
+inline
+ai_real fast_atof( const char* c, const char** cout) {
+    ai_real ret(0.0);
+    *cout = fast_atoreal_move<ai_real>(c, ret);
+
+    return ret;
+}
+
+inline
+ai_real fast_atof( const char** inout) {
+    ai_real ret(0.0);
+    *inout = fast_atoreal_move<ai_real>(*inout, ret);
+
+    return ret;
+}
+
+} //! namespace Assimp
+
+#endif // FAST_A_TO_F_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/importerdesc.h b/thirdparty/assimp/include/assimp/importerdesc.h
new file mode 100644
index 0000000000..36e387f011
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/importerdesc.h
@@ -0,0 +1,146 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file importerdesc.h
+ *  @brief #aiImporterFlags, aiImporterDesc implementation.
+ */
+#pragma once
+#ifndef AI_IMPORTER_DESC_H_INC
+#define AI_IMPORTER_DESC_H_INC
+
+
+/** Mixed set of flags for #aiImporterDesc, indicating some features
+  *  common to many importers*/
+enum aiImporterFlags
+{
+    /** Indicates that there is a textual encoding of the
+     *  file format; and that it is supported.*/
+    aiImporterFlags_SupportTextFlavour = 0x1,
+
+    /** Indicates that there is a binary encoding of the
+     *  file format; and that it is supported.*/
+    aiImporterFlags_SupportBinaryFlavour = 0x2,
+
+    /** Indicates that there is a compressed encoding of the
+     *  file format; and that it is supported.*/
+    aiImporterFlags_SupportCompressedFlavour = 0x4,
+
+    /** Indicates that the importer reads only a very particular
+      * subset of the file format. This happens commonly for
+      * declarative or procedural formats which cannot easily
+      * be mapped to #aiScene */
+    aiImporterFlags_LimitedSupport = 0x8,
+
+    /** Indicates that the importer is highly experimental and
+      * should be used with care. This only happens for trunk
+      * (i.e. SVN) versions, experimental code is not included
+      * in releases. */
+    aiImporterFlags_Experimental = 0x10
+};
+
+
+/** Meta information about a particular importer. Importers need to fill
+ *  this structure, but they can freely decide how talkative they are.
+ *  A common use case for loader meta info is a user interface
+ *  in which the user can choose between various import/export file
+ *  formats. Building such an UI by hand means a lot of maintenance
+ *  as importers/exporters are added to Assimp, so it might be useful
+ *  to have a common mechanism to query some rough importer
+ *  characteristics. */
+struct aiImporterDesc
+{
+    /** Full name of the importer (i.e. Blender3D importer)*/
+    const char* mName;
+
+    /** Original author (left blank if unknown or whole assimp team) */
+    const char* mAuthor;
+
+    /** Current maintainer, left blank if the author maintains */
+    const char* mMaintainer;
+
+    /** Implementation comments, i.e. unimplemented features*/
+    const char* mComments;
+
+    /** These flags indicate some characteristics common to many
+        importers. */
+    unsigned int mFlags;
+
+    /** Minimum format version that can be loaded im major.minor format,
+        both are set to 0 if there is either no version scheme
+        or if the loader doesn't care. */
+    unsigned int mMinMajor;
+    unsigned int mMinMinor;
+
+    /** Maximum format version that can be loaded im major.minor format,
+        both are set to 0 if there is either no version scheme
+        or if the loader doesn't care. Loaders that expect to be
+        forward-compatible to potential future format versions should
+        indicate  zero, otherwise they should specify the current
+        maximum version.*/
+    unsigned int mMaxMajor;
+    unsigned int mMaxMinor;
+
+    /** List of file extensions this importer can handle.
+        List entries are separated by space characters.
+        All entries are lower case without a leading dot (i.e.
+        "xml dae" would be a valid value. Note that multiple
+        importers may respond to the same file extension -
+        assimp calls all importers in the order in which they
+        are registered and each importer gets the opportunity
+        to load the file until one importer "claims" the file. Apart
+        from file extension checks, importers typically use
+        other methods to quickly reject files (i.e. magic
+        words) so this does not mean that common or generic
+        file extensions such as XML would be tediously slow. */
+    const char* mFileExtensions;
+};
+
+/** \brief  Returns the Importer description for a given extension.
+
+Will return a NULL-pointer if no assigned importer desc. was found for the given extension
+    \param  extension   [in] The extension to look for
+    \return A pointer showing to the ImporterDesc, \see aiImporterDesc.
+*/
+ASSIMP_API const C_STRUCT aiImporterDesc* aiGetImporterDesc( const char *extension );
+
+#endif // AI_IMPORTER_DESC_H_INC
diff --git a/thirdparty/assimp/include/assimp/irrXMLWrapper.h b/thirdparty/assimp/include/assimp/irrXMLWrapper.h
new file mode 100644
index 0000000000..ec8ee7c76e
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/irrXMLWrapper.h
@@ -0,0 +1,144 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef INCLUDED_AI_IRRXML_WRAPPER
+#define INCLUDED_AI_IRRXML_WRAPPER
+
+// some long includes ....
+#include <irrXML.h>
+#include "IOStream.hpp"
+#include "BaseImporter.h"
+#include <vector>
+
+namespace Assimp    {
+
+// ---------------------------------------------------------------------------------
+/** @brief Utility class to make IrrXML work together with our custom IO system
+ *  See the IrrXML docs for more details.
+ *
+ *  Construct IrrXML-Reader in BaseImporter::InternReadFile():
+ *  @code
+ * // open the file
+ * std::unique_ptr<IOStream> file( pIOHandler->Open( pFile));
+ * if( file.get() == NULL) {
+ *    throw DeadlyImportError( "Failed to open file " + pFile + ".");
+ * }
+ *
+ * // generate a XML reader for it
+ * std::unique_ptr<CIrrXML_IOStreamReader> mIOWrapper( new CIrrXML_IOStreamReader( file.get()));
+ * mReader = irr::io::createIrrXMLReader( mIOWrapper.get());
+ * if( !mReader) {
+ *    ThrowException( "xxxx: Unable to open file.");
+ * }
+ * @endcode
+ **/
+class CIrrXML_IOStreamReader : public irr::io::IFileReadCallBack {
+public:
+
+    // ----------------------------------------------------------------------------------
+    //! Construction from an existing IOStream
+    explicit CIrrXML_IOStreamReader(IOStream* _stream)
+        : stream (_stream)
+        , t (0)
+    {
+
+        // Map the buffer into memory and convert it to UTF8. IrrXML provides its
+        // own conversion, which is merely a cast from uintNN_t to uint8_t. Thus,
+        // it is not suitable for our purposes and we have to do it BEFORE IrrXML
+        // gets the buffer. Sadly, this forces us to map the whole file into
+        // memory.
+
+        data.resize(stream->FileSize());
+        stream->Read(&data[0],data.size(),1);
+
+        // Remove null characters from the input sequence otherwise the parsing will utterly fail
+        unsigned int size = 0;
+        unsigned int size_max = static_cast<unsigned int>(data.size());
+        for(unsigned int i = 0; i < size_max; i++) {
+            if(data[i] != '\0') {
+                data[size++] = data[i];
+            }
+        }
+        data.resize(size);
+
+        BaseImporter::ConvertToUTF8(data);
+    }
+
+    // ----------------------------------------------------------------------------------
+    //! Virtual destructor
+    virtual ~CIrrXML_IOStreamReader() {}
+
+    // ----------------------------------------------------------------------------------
+    //!   Reads an amount of bytes from the file.
+    /**  @param buffer:       Pointer to output buffer.
+     *   @param sizeToRead:   Amount of bytes to read
+     *   @return              Returns how much bytes were read.  */
+    virtual int read(void* buffer, int sizeToRead)  {
+        if(sizeToRead<0) {
+            return 0;
+        }
+        if(t+sizeToRead>data.size()) {
+            sizeToRead = static_cast<int>(data.size()-t);
+        }
+
+        memcpy(buffer,&data.front()+t,sizeToRead);
+
+        t += sizeToRead;
+        return sizeToRead;
+    }
+
+    // ----------------------------------------------------------------------------------
+    //! Returns size of file in bytes
+    virtual int getSize()   {
+        return (int)data.size();
+    }
+
+private:
+    IOStream* stream;
+    std::vector<char> data;
+    size_t t;
+
+}; // ! class CIrrXML_IOStreamReader
+
+} // ! Assimp
+
+#endif // !! INCLUDED_AI_IRRXML_WRAPPER
diff --git a/thirdparty/assimp/include/assimp/light.h b/thirdparty/assimp/include/assimp/light.h
new file mode 100644
index 0000000000..1667cfb8c1
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/light.h
@@ -0,0 +1,259 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file light.h
+ *  @brief Defines the aiLight data structure
+ */
+
+#pragma once
+#ifndef AI_LIGHT_H_INC
+#define AI_LIGHT_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+/** Enumerates all supported types of light sources.
+ */
+enum aiLightSourceType
+{
+    aiLightSource_UNDEFINED     = 0x0,
+
+    //! A directional light source has a well-defined direction
+    //! but is infinitely far away. That's quite a good
+    //! approximation for sun light.
+    aiLightSource_DIRECTIONAL   = 0x1,
+
+    //! A point light source has a well-defined position
+    //! in space but no direction - it emits light in all
+    //! directions. A normal bulb is a point light.
+    aiLightSource_POINT         = 0x2,
+
+    //! A spot light source emits light in a specific
+    //! angle. It has a position and a direction it is pointing to.
+    //! A good example for a spot light is a light spot in
+    //! sport arenas.
+    aiLightSource_SPOT          = 0x3,
+
+    //! The generic light level of the world, including the bounces
+    //! of all other light sources.
+    //! Typically, there's at most one ambient light in a scene.
+    //! This light type doesn't have a valid position, direction, or
+    //! other properties, just a color.
+    aiLightSource_AMBIENT       = 0x4,
+
+    //! An area light is a rectangle with predefined size that uniformly
+    //! emits light from one of its sides. The position is center of the
+    //! rectangle and direction is its normal vector.
+    aiLightSource_AREA          = 0x5,
+
+    /** This value is not used. It is just there to force the
+     *  compiler to map this enum to a 32 Bit integer.
+     */
+#ifndef SWIG
+    _aiLightSource_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure to describe a light source.
+ *
+ *  Assimp supports multiple sorts of light sources, including
+ *  directional, point and spot lights. All of them are defined with just
+ *  a single structure and distinguished by their parameters.
+ *  Note - some file formats (such as 3DS, ASE) export a "target point" -
+ *  the point a spot light is looking at (it can even be animated). Assimp
+ *  writes the target point as a subnode of a spotlights's main node,
+ *  called "<spotName>.Target". However, this is just additional information
+ *  then, the transformation tracks of the main node make the
+ *  spot light already point in the right direction.
+*/
+struct aiLight
+{
+    /** The name of the light source.
+     *
+     *  There must be a node in the scenegraph with the same name.
+     *  This node specifies the position of the light in the scene
+     *  hierarchy and can be animated.
+     */
+    C_STRUCT aiString mName;
+
+    /** The type of the light source.
+     *
+     * aiLightSource_UNDEFINED is not a valid value for this member.
+     */
+    C_ENUM aiLightSourceType mType;
+
+    /** Position of the light source in space. Relative to the
+     *  transformation of the node corresponding to the light.
+     *
+     *  The position is undefined for directional lights.
+     */
+    C_STRUCT aiVector3D mPosition;
+
+    /** Direction of the light source in space. Relative to the
+     *  transformation of the node corresponding to the light.
+     *
+     *  The direction is undefined for point lights. The vector
+     *  may be normalized, but it needn't.
+     */
+    C_STRUCT aiVector3D mDirection;
+
+    /** Up direction of the light source in space. Relative to the
+     *  transformation of the node corresponding to the light.
+     *
+     *  The direction is undefined for point lights. The vector
+     *  may be normalized, but it needn't.
+     */
+    C_STRUCT aiVector3D mUp;
+
+    /** Constant light attenuation factor.
+     *
+     *  The intensity of the light source at a given distance 'd' from
+     *  the light's position is
+     *  @code
+     *  Atten = 1/( att0 + att1 * d + att2 * d*d)
+     *  @endcode
+     *  This member corresponds to the att0 variable in the equation.
+     *  Naturally undefined for directional lights.
+     */
+    float mAttenuationConstant;
+
+    /** Linear light attenuation factor.
+     *
+     *  The intensity of the light source at a given distance 'd' from
+     *  the light's position is
+     *  @code
+     *  Atten = 1/( att0 + att1 * d + att2 * d*d)
+     *  @endcode
+     *  This member corresponds to the att1 variable in the equation.
+     *  Naturally undefined for directional lights.
+     */
+    float mAttenuationLinear;
+
+    /** Quadratic light attenuation factor.
+     *
+     *  The intensity of the light source at a given distance 'd' from
+     *  the light's position is
+     *  @code
+     *  Atten = 1/( att0 + att1 * d + att2 * d*d)
+     *  @endcode
+     *  This member corresponds to the att2 variable in the equation.
+     *  Naturally undefined for directional lights.
+     */
+    float mAttenuationQuadratic;
+
+    /** Diffuse color of the light source
+     *
+     *  The diffuse light color is multiplied with the diffuse
+     *  material color to obtain the final color that contributes
+     *  to the diffuse shading term.
+     */
+    C_STRUCT aiColor3D mColorDiffuse;
+
+    /** Specular color of the light source
+     *
+     *  The specular light color is multiplied with the specular
+     *  material color to obtain the final color that contributes
+     *  to the specular shading term.
+     */
+    C_STRUCT aiColor3D mColorSpecular;
+
+    /** Ambient color of the light source
+     *
+     *  The ambient light color is multiplied with the ambient
+     *  material color to obtain the final color that contributes
+     *  to the ambient shading term. Most renderers will ignore
+     *  this value it, is just a remaining of the fixed-function pipeline
+     *  that is still supported by quite many file formats.
+     */
+    C_STRUCT aiColor3D mColorAmbient;
+
+    /** Inner angle of a spot light's light cone.
+     *
+     *  The spot light has maximum influence on objects inside this
+     *  angle. The angle is given in radians. It is 2PI for point
+     *  lights and undefined for directional lights.
+     */
+    float mAngleInnerCone;
+
+    /** Outer angle of a spot light's light cone.
+     *
+     *  The spot light does not affect objects outside this angle.
+     *  The angle is given in radians. It is 2PI for point lights and
+     *  undefined for directional lights. The outer angle must be
+     *  greater than or equal to the inner angle.
+     *  It is assumed that the application uses a smooth
+     *  interpolation between the inner and the outer cone of the
+     *  spot light.
+     */
+    float mAngleOuterCone;
+
+    /** Size of area light source. */
+    C_STRUCT aiVector2D mSize;
+
+#ifdef __cplusplus
+
+    aiLight() AI_NO_EXCEPT
+        :   mType                 (aiLightSource_UNDEFINED)
+        ,   mAttenuationConstant  (0.f)
+        ,   mAttenuationLinear    (1.f)
+        ,   mAttenuationQuadratic (0.f)
+        ,   mAngleInnerCone       ((float)AI_MATH_TWO_PI)
+        ,   mAngleOuterCone       ((float)AI_MATH_TWO_PI)
+        ,   mSize                 (0.f, 0.f)
+    {
+    }
+
+#endif
+};
+
+#ifdef __cplusplus
+}
+#endif 
+
+
+#endif // !! AI_LIGHT_H_INC
diff --git a/thirdparty/assimp/include/assimp/material.h b/thirdparty/assimp/include/assimp/material.h
new file mode 100644
index 0000000000..b882bbc72c
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/material.h
@@ -0,0 +1,1579 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file material.h
+ *  @brief Defines the material system of the library
+ */
+#pragma once
+#ifndef AI_MATERIAL_H_INC
+#define AI_MATERIAL_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Name for default materials (2nd is used if meshes have UV coords)
+#define AI_DEFAULT_MATERIAL_NAME          "DefaultMaterial"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines how the Nth texture of a specific type is combined with
+ *  the result of all previous layers.
+ *
+ *  Example (left: key, right: value): <br>
+ *  @code
+ *  DiffColor0     - gray
+ *  DiffTextureOp0 - aiTextureOpMultiply
+ *  DiffTexture0   - tex1.png
+ *  DiffTextureOp0 - aiTextureOpAdd
+ *  DiffTexture1   - tex2.png
+ *  @endcode
+ *  Written as equation, the final diffuse term for a specific pixel would be:
+ *  @code
+ *  diffFinal = DiffColor0 * sampleTex(DiffTexture0,UV0) +
+ *     sampleTex(DiffTexture1,UV0) * diffContrib;
+ *  @endcode
+ *  where 'diffContrib' is the intensity of the incoming light for that pixel.
+ */
+enum aiTextureOp
+{
+    /** T = T1 * T2 */
+    aiTextureOp_Multiply = 0x0,
+
+    /** T = T1 + T2 */
+    aiTextureOp_Add = 0x1,
+
+    /** T = T1 - T2 */
+    aiTextureOp_Subtract = 0x2,
+
+    /** T = T1 / T2 */
+    aiTextureOp_Divide = 0x3,
+
+    /** T = (T1 + T2) - (T1 * T2) */
+    aiTextureOp_SmoothAdd = 0x4,
+
+    /** T = T1 + (T2-0.5) */
+    aiTextureOp_SignedAdd = 0x5,
+
+
+#ifndef SWIG
+    _aiTextureOp_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Defines how UV coordinates outside the [0...1] range are handled.
+ *
+ *  Commonly referred to as 'wrapping mode'.
+ */
+enum aiTextureMapMode
+{
+    /** A texture coordinate u|v is translated to u%1|v%1
+     */
+    aiTextureMapMode_Wrap = 0x0,
+
+    /** Texture coordinates outside [0...1]
+     *  are clamped to the nearest valid value.
+     */
+    aiTextureMapMode_Clamp = 0x1,
+
+    /** If the texture coordinates for a pixel are outside [0...1]
+     *  the texture is not applied to that pixel
+     */
+    aiTextureMapMode_Decal = 0x3,
+
+    /** A texture coordinate u|v becomes u%1|v%1 if (u-(u%1))%2 is zero and
+     *  1-(u%1)|1-(v%1) otherwise
+     */
+    aiTextureMapMode_Mirror = 0x2,
+
+#ifndef SWIG
+    _aiTextureMapMode_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Defines how the mapping coords for a texture are generated.
+ *
+ *  Real-time applications typically require full UV coordinates, so the use of
+ *  the aiProcess_GenUVCoords step is highly recommended. It generates proper
+ *  UV channels for non-UV mapped objects, as long as an accurate description
+ *  how the mapping should look like (e.g spherical) is given.
+ *  See the #AI_MATKEY_MAPPING property for more details.
+ */
+enum aiTextureMapping
+{
+    /** The mapping coordinates are taken from an UV channel.
+     *
+     *  The #AI_MATKEY_UVWSRC key specifies from which UV channel
+     *  the texture coordinates are to be taken from (remember,
+     *  meshes can have more than one UV channel).
+    */
+    aiTextureMapping_UV = 0x0,
+
+     /** Spherical mapping */
+    aiTextureMapping_SPHERE = 0x1,
+
+     /** Cylindrical mapping */
+    aiTextureMapping_CYLINDER = 0x2,
+
+     /** Cubic mapping */
+    aiTextureMapping_BOX = 0x3,
+
+     /** Planar mapping */
+    aiTextureMapping_PLANE = 0x4,
+
+     /** Undefined mapping. Have fun. */
+    aiTextureMapping_OTHER = 0x5,
+
+
+#ifndef SWIG
+    _aiTextureMapping_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Defines the purpose of a texture
+ *
+ *  This is a very difficult topic. Different 3D packages support different
+ *  kinds of textures. For very common texture types, such as bumpmaps, the
+ *  rendering results depend on implementation details in the rendering
+ *  pipelines of these applications. Assimp loads all texture references from
+ *  the model file and tries to determine which of the predefined texture
+ *  types below is the best choice to match the original use of the texture
+ *  as closely as possible.<br>
+ *
+ *  In content pipelines you'll usually define how textures have to be handled,
+ *  and the artists working on models have to conform to this specification,
+ *  regardless which 3D tool they're using.
+ */
+enum aiTextureType
+{
+    /** Dummy value.
+     *
+     *  No texture, but the value to be used as 'texture semantic'
+     *  (#aiMaterialProperty::mSemantic) for all material properties
+     *  *not* related to textures.
+     */
+    aiTextureType_NONE = 0x0,
+
+    /** The texture is combined with the result of the diffuse
+     *  lighting equation.
+     */
+    aiTextureType_DIFFUSE = 0x1,
+
+    /** The texture is combined with the result of the specular
+     *  lighting equation.
+     */
+    aiTextureType_SPECULAR = 0x2,
+
+    /** The texture is combined with the result of the ambient
+     *  lighting equation.
+     */
+    aiTextureType_AMBIENT = 0x3,
+
+    /** The texture is added to the result of the lighting
+     *  calculation. It isn't influenced by incoming light.
+     */
+    aiTextureType_EMISSIVE = 0x4,
+
+    /** The texture is a height map.
+     *
+     *  By convention, higher gray-scale values stand for
+     *  higher elevations from the base height.
+     */
+    aiTextureType_HEIGHT = 0x5,
+
+    /** The texture is a (tangent space) normal-map.
+     *
+     *  Again, there are several conventions for tangent-space
+     *  normal maps. Assimp does (intentionally) not
+     *  distinguish here.
+     */
+    aiTextureType_NORMALS = 0x6,
+
+    /** The texture defines the glossiness of the material.
+     *
+     *  The glossiness is in fact the exponent of the specular
+     *  (phong) lighting equation. Usually there is a conversion
+     *  function defined to map the linear color values in the
+     *  texture to a suitable exponent. Have fun.
+    */
+    aiTextureType_SHININESS = 0x7,
+
+    /** The texture defines per-pixel opacity.
+     *
+     *  Usually 'white' means opaque and 'black' means
+     *  'transparency'. Or quite the opposite. Have fun.
+    */
+    aiTextureType_OPACITY = 0x8,
+
+    /** Displacement texture
+     *
+     *  The exact purpose and format is application-dependent.
+     *  Higher color values stand for higher vertex displacements.
+    */
+    aiTextureType_DISPLACEMENT = 0x9,
+
+    /** Lightmap texture (aka Ambient Occlusion)
+     *
+     *  Both 'Lightmaps' and dedicated 'ambient occlusion maps' are
+     *  covered by this material property. The texture contains a
+     *  scaling value for the final color value of a pixel. Its
+     *  intensity is not affected by incoming light.
+    */
+    aiTextureType_LIGHTMAP = 0xA,
+
+    /** Reflection texture
+     *
+     * Contains the color of a perfect mirror reflection.
+     * Rarely used, almost never for real-time applications.
+    */
+    aiTextureType_REFLECTION = 0xB,
+
+    /** Unknown texture
+     *
+     *  A texture reference that does not match any of the definitions
+     *  above is considered to be 'unknown'. It is still imported,
+     *  but is excluded from any further post-processing.
+    */
+    aiTextureType_UNKNOWN = 0xC,
+
+
+#ifndef SWIG
+    _aiTextureType_Force32Bit = INT_MAX
+#endif
+};
+
+#define AI_TEXTURE_TYPE_MAX  aiTextureType_UNKNOWN
+
+// ---------------------------------------------------------------------------
+/** @brief Defines all shading models supported by the library
+ *
+ *  The list of shading modes has been taken from Blender.
+ *  See Blender documentation for more information. The API does
+ *  not distinguish between "specular" and "diffuse" shaders (thus the
+ *  specular term for diffuse shading models like Oren-Nayar remains
+ *  undefined). <br>
+ *  Again, this value is just a hint. Assimp tries to select the shader whose
+ *  most common implementation matches the original rendering results of the
+ *  3D modeller which wrote a particular model as closely as possible.
+ */
+enum aiShadingMode
+{
+    /** Flat shading. Shading is done on per-face base,
+     *  diffuse only. Also known as 'faceted shading'.
+     */
+    aiShadingMode_Flat = 0x1,
+
+    /** Simple Gouraud shading.
+     */
+    aiShadingMode_Gouraud = 0x2,
+
+    /** Phong-Shading -
+     */
+    aiShadingMode_Phong = 0x3,
+
+    /** Phong-Blinn-Shading
+     */
+    aiShadingMode_Blinn = 0x4,
+
+    /** Toon-Shading per pixel
+     *
+     *  Also known as 'comic' shader.
+     */
+    aiShadingMode_Toon = 0x5,
+
+    /** OrenNayar-Shading per pixel
+     *
+     *  Extension to standard Lambertian shading, taking the
+     *  roughness of the material into account
+     */
+    aiShadingMode_OrenNayar = 0x6,
+
+    /** Minnaert-Shading per pixel
+     *
+     *  Extension to standard Lambertian shading, taking the
+     *  "darkness" of the material into account
+     */
+    aiShadingMode_Minnaert = 0x7,
+
+    /** CookTorrance-Shading per pixel
+     *
+     *  Special shader for metallic surfaces.
+     */
+    aiShadingMode_CookTorrance = 0x8,
+
+    /** No shading at all. Constant light influence of 1.0.
+    */
+    aiShadingMode_NoShading = 0x9,
+
+     /** Fresnel shading
+     */
+    aiShadingMode_Fresnel = 0xa,
+
+
+#ifndef SWIG
+    _aiShadingMode_Force32Bit = INT_MAX
+#endif
+};
+
+
+// ---------------------------------------------------------------------------
+/** @brief Defines some mixed flags for a particular texture.
+ *
+ *  Usually you'll instruct your cg artists how textures have to look like ...
+ *  and how they will be processed in your application. However, if you use
+ *  Assimp for completely generic loading purposes you might also need to
+ *  process these flags in order to display as many 'unknown' 3D models as
+ *  possible correctly.
+ *
+ *  This corresponds to the #AI_MATKEY_TEXFLAGS property.
+*/
+enum aiTextureFlags
+{
+    /** The texture's color values have to be inverted (component-wise 1-n)
+     */
+    aiTextureFlags_Invert = 0x1,
+
+    /** Explicit request to the application to process the alpha channel
+     *  of the texture.
+     *
+     *  Mutually exclusive with #aiTextureFlags_IgnoreAlpha. These
+     *  flags are set if the library can say for sure that the alpha
+     *  channel is used/is not used. If the model format does not
+     *  define this, it is left to the application to decide whether
+     *  the texture alpha channel - if any - is evaluated or not.
+     */
+    aiTextureFlags_UseAlpha = 0x2,
+
+    /** Explicit request to the application to ignore the alpha channel
+     *  of the texture.
+     *
+     *  Mutually exclusive with #aiTextureFlags_UseAlpha.
+     */
+    aiTextureFlags_IgnoreAlpha = 0x4,
+
+#ifndef SWIG
+      _aiTextureFlags_Force32Bit = INT_MAX
+#endif
+};
+
+
+// ---------------------------------------------------------------------------
+/** @brief Defines alpha-blend flags.
+ *
+ *  If you're familiar with OpenGL or D3D, these flags aren't new to you.
+ *  They define *how* the final color value of a pixel is computed, basing
+ *  on the previous color at that pixel and the new color value from the
+ *  material.
+ *  The blend formula is:
+ *  @code
+ *    SourceColor * SourceBlend + DestColor * DestBlend
+ *  @endcode
+ *  where DestColor is the previous color in the framebuffer at this
+ *  position and SourceColor is the material color before the transparency
+ *  calculation.<br>
+ *  This corresponds to the #AI_MATKEY_BLEND_FUNC property.
+*/
+enum aiBlendMode
+{
+    /**
+     *  Formula:
+     *  @code
+     *  SourceColor*SourceAlpha + DestColor*(1-SourceAlpha)
+     *  @endcode
+     */
+    aiBlendMode_Default = 0x0,
+
+    /** Additive blending
+     *
+     *  Formula:
+     *  @code
+     *  SourceColor*1 + DestColor*1
+     *  @endcode
+     */
+    aiBlendMode_Additive = 0x1,
+
+    // we don't need more for the moment, but we might need them
+    // in future versions ...
+
+#ifndef SWIG
+    _aiBlendMode_Force32Bit = INT_MAX
+#endif
+};
+
+
+#include "./Compiler/pushpack1.h"
+
+// ---------------------------------------------------------------------------
+/** @brief Defines how an UV channel is transformed.
+ *
+ *  This is just a helper structure for the #AI_MATKEY_UVTRANSFORM key.
+ *  See its documentation for more details.
+ *
+ *  Typically you'll want to build a matrix of this information. However,
+ *  we keep separate scaling/translation/rotation values to make it
+ *  easier to process and optimize UV transformations internally.
+ */
+struct aiUVTransform
+{
+    /** Translation on the u and v axes.
+     *
+     *  The default value is (0|0).
+     */
+    C_STRUCT aiVector2D mTranslation;
+
+    /** Scaling on the u and v axes.
+     *
+     *  The default value is (1|1).
+     */
+    C_STRUCT aiVector2D mScaling;
+
+    /** Rotation - in counter-clockwise direction.
+     *
+     *  The rotation angle is specified in radians. The
+     *  rotation center is 0.5f|0.5f. The default value
+     *  0.f.
+     */
+    ai_real mRotation;
+
+
+#ifdef __cplusplus
+    aiUVTransform() AI_NO_EXCEPT
+        :   mTranslation (0.0,0.0)
+        ,   mScaling    (1.0,1.0)
+        ,   mRotation   (0.0)
+    {
+        // nothing to be done here ...
+    }
+#endif
+
+};
+
+#include "./Compiler/poppack1.h"
+
+//! @cond AI_DOX_INCLUDE_INTERNAL
+// ---------------------------------------------------------------------------
+/** @brief A very primitive RTTI system for the contents of material
+ *  properties.
+ */
+enum aiPropertyTypeInfo
+{
+    /** Array of single-precision (32 Bit) floats
+     *
+     *  It is possible to use aiGetMaterialInteger[Array]() (or the C++-API
+     *  aiMaterial::Get()) to query properties stored in floating-point format.
+     *  The material system performs the type conversion automatically.
+    */
+    aiPTI_Float   = 0x1,
+
+    /** Array of double-precision (64 Bit) floats
+     *
+     *  It is possible to use aiGetMaterialInteger[Array]() (or the C++-API
+     *  aiMaterial::Get()) to query properties stored in floating-point format.
+     *  The material system performs the type conversion automatically.
+    */
+    aiPTI_Double   = 0x2,
+
+    /** The material property is an aiString.
+     *
+     *  Arrays of strings aren't possible, aiGetMaterialString() (or the
+     *  C++-API aiMaterial::Get()) *must* be used to query a string property.
+    */
+    aiPTI_String  = 0x3,
+
+    /** Array of (32 Bit) integers
+     *
+     *  It is possible to use aiGetMaterialFloat[Array]() (or the C++-API
+     *  aiMaterial::Get()) to query properties stored in integer format.
+     *  The material system performs the type conversion automatically.
+    */
+    aiPTI_Integer = 0x4,
+
+
+    /** Simple binary buffer, content undefined. Not convertible to anything.
+    */
+    aiPTI_Buffer  = 0x5,
+
+
+     /** This value is not used. It is just there to force the
+     *  compiler to map this enum to a 32 Bit integer.
+     */
+#ifndef SWIG
+     _aiPTI_Force32Bit = INT_MAX
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Data structure for a single material property
+ *
+ *  As an user, you'll probably never need to deal with this data structure.
+ *  Just use the provided aiGetMaterialXXX() or aiMaterial::Get() family
+ *  of functions to query material properties easily. Processing them
+ *  manually is faster, but it is not the recommended way. It isn't worth
+ *  the effort. <br>
+ *  Material property names follow a simple scheme:
+ *  @code
+ *    $<name>
+ *    ?<name>
+ *       A public property, there must be corresponding AI_MATKEY_XXX define
+ *       2nd: Public, but ignored by the #aiProcess_RemoveRedundantMaterials
+ *       post-processing step.
+ *    ~<name>
+ *       A temporary property for internal use.
+ *  @endcode
+ *  @see aiMaterial
+ */
+struct aiMaterialProperty
+{
+    /** Specifies the name of the property (key)
+     *  Keys are generally case insensitive.
+     */
+    C_STRUCT aiString mKey;
+
+    /** Textures: Specifies their exact usage semantic.
+     * For non-texture properties, this member is always 0
+     * (or, better-said, #aiTextureType_NONE).
+     */
+    unsigned int mSemantic;
+
+    /** Textures: Specifies the index of the texture.
+     *  For non-texture properties, this member is always 0.
+     */
+    unsigned int mIndex;
+
+    /** Size of the buffer mData is pointing to, in bytes.
+     *  This value may not be 0.
+     */
+    unsigned int mDataLength;
+
+    /** Type information for the property.
+     *
+     * Defines the data layout inside the data buffer. This is used
+     * by the library internally to perform debug checks and to
+     * utilize proper type conversions.
+     * (It's probably a hacky solution, but it works.)
+     */
+    C_ENUM aiPropertyTypeInfo mType;
+
+    /** Binary buffer to hold the property's value.
+     * The size of the buffer is always mDataLength.
+     */
+    char* mData;
+
+#ifdef __cplusplus
+
+    aiMaterialProperty() AI_NO_EXCEPT
+    : mSemantic( 0 )
+    , mIndex( 0 )
+    , mDataLength( 0 )
+    , mType( aiPTI_Float )
+    , mData(nullptr) {
+        // empty
+    }
+
+    ~aiMaterialProperty()   {
+        delete[] mData;
+        mData = nullptr;
+    }
+
+#endif
+};
+//! @endcond
+
+#ifdef __cplusplus
+} // We need to leave the "C" block here to allow template member functions
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Data structure for a material
+*
+*  Material data is stored using a key-value structure. A single key-value
+*  pair is called a 'material property'. C++ users should use the provided
+*  member functions of aiMaterial to process material properties, C users
+*  have to stick with the aiMaterialGetXXX family of unbound functions.
+*  The library defines a set of standard keys (AI_MATKEY_XXX).
+*/
+#ifdef __cplusplus
+struct ASSIMP_API aiMaterial
+#else
+struct aiMaterial
+#endif
+{
+
+#ifdef __cplusplus
+
+public:
+
+    aiMaterial();
+    ~aiMaterial();
+
+    // -------------------------------------------------------------------
+    /**
+      * @brief  Returns the name of the material.
+      * @return The name of the material.
+      */
+    // -------------------------------------------------------------------
+    aiString GetName();
+
+    // -------------------------------------------------------------------
+    /** @brief Retrieve an array of Type values with a specific key
+     *  from the material
+     *
+     * @param pKey Key to search for. One of the AI_MATKEY_XXX constants.
+     * @param type .. set by AI_MATKEY_XXX
+     * @param idx .. set by AI_MATKEY_XXX
+     * @param pOut Pointer to a buffer to receive the result.
+     * @param pMax Specifies the size of the given buffer, in Type's.
+     * Receives the number of values (not bytes!) read.
+     * NULL is a valid value for this parameter.
+     */
+    template <typename Type>
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, Type* pOut, unsigned int* pMax) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, int* pOut, unsigned int* pMax) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, ai_real* pOut, unsigned int* pMax) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Retrieve a Type value with a specific key
+     *  from the material
+     *
+     * @param pKey Key to search for. One of the AI_MATKEY_XXX constants.
+    * @param type Specifies the type of the texture to be retrieved (
+    *    e.g. diffuse, specular, height map ...)
+    * @param idx Index of the texture to be retrieved.
+     * @param pOut Reference to receive the output value
+     */
+    template <typename Type>
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx,Type& pOut) const;
+
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, int& pOut) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, ai_real& pOut) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, aiString& pOut) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, aiColor3D& pOut) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, aiColor4D& pOut) const;
+
+    aiReturn Get(const char* pKey,unsigned int type,
+        unsigned int idx, aiUVTransform& pOut) const;
+
+    // -------------------------------------------------------------------
+    /** Get the number of textures for a particular texture type.
+     *  @param type Texture type to check for
+     *  @return Number of textures for this type.
+     *  @note A texture can be easily queried using #GetTexture() */
+    unsigned int GetTextureCount(aiTextureType type) const;
+
+    // -------------------------------------------------------------------
+    /** Helper function to get all parameters pertaining to a
+     *  particular texture slot from a material.
+     *
+     *  This function is provided just for convenience, you could also
+     *  read the single material properties manually.
+     *  @param type Specifies the type of the texture to be retrieved (
+     *    e.g. diffuse, specular, height map ...)
+     *  @param index Index of the texture to be retrieved. The function fails
+     *    if there is no texture of that type with this index.
+     *    #GetTextureCount() can be used to determine the number of textures
+     *    per texture type.
+     *  @param path Receives the path to the texture.
+     *    If the texture is embedded, receives a '*' followed by the id of
+     *    the texture (for the textures stored in the corresponding scene) which
+     *    can be converted to an int using a function like atoi.
+     *    NULL is a valid value.
+     *  @param mapping The texture mapping.
+     *    NULL is allowed as value.
+     *  @param uvindex Receives the UV index of the texture.
+     *    NULL is a valid value.
+     *  @param blend Receives the blend factor for the texture
+     *    NULL is a valid value.
+     *  @param op Receives the texture operation to be performed between
+     *    this texture and the previous texture. NULL is allowed as value.
+     *  @param mapmode Receives the mapping modes to be used for the texture.
+     *    The parameter may be NULL but if it is a valid pointer it MUST
+     *    point to an array of 3 aiTextureMapMode's (one for each
+     *    axis: UVW order (=XYZ)).
+     */
+    // -------------------------------------------------------------------
+    aiReturn GetTexture(aiTextureType type,
+        unsigned int  index,
+        C_STRUCT aiString* path,
+        aiTextureMapping* mapping   = NULL,
+        unsigned int* uvindex       = NULL,
+        ai_real* blend              = NULL,
+        aiTextureOp* op             = NULL,
+        aiTextureMapMode* mapmode   = NULL) const;
+
+
+    // Setters
+
+
+    // ------------------------------------------------------------------------------
+    /** @brief Add a property with a given key and type info to the material
+     *  structure
+     *
+     *  @param pInput Pointer to input data
+     *  @param pSizeInBytes Size of input data
+     *  @param pKey Key/Usage of the property (AI_MATKEY_XXX)
+     *  @param type Set by the AI_MATKEY_XXX macro
+     *  @param index Set by the AI_MATKEY_XXX macro
+     *  @param pType Type information hint */
+    aiReturn AddBinaryProperty (const void* pInput,
+        unsigned int pSizeInBytes,
+        const char* pKey,
+        unsigned int type ,
+        unsigned int index ,
+        aiPropertyTypeInfo pType);
+
+    // ------------------------------------------------------------------------------
+    /** @brief Add a string property with a given key and type info to the
+     *  material structure
+     *
+     *  @param pInput Input string
+     *  @param pKey Key/Usage of the property (AI_MATKEY_XXX)
+     *  @param type Set by the AI_MATKEY_XXX macro
+     *  @param index Set by the AI_MATKEY_XXX macro */
+    aiReturn AddProperty (const aiString* pInput,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    // ------------------------------------------------------------------------------
+    /** @brief Add a property with a given key to the material structure
+     *  @param pInput Pointer to the input data
+     *  @param pNumValues Number of values in the array
+     *  @param pKey Key/Usage of the property (AI_MATKEY_XXX)
+     *  @param type Set by the AI_MATKEY_XXX macro
+     *  @param index Set by the AI_MATKEY_XXX macro  */
+    template<class TYPE>
+    aiReturn AddProperty (const TYPE* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const aiVector3D* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const aiColor3D* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const aiColor4D* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const int* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const float* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const double* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    aiReturn AddProperty (const aiUVTransform* pInput,
+        unsigned int pNumValues,
+        const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    // ------------------------------------------------------------------------------
+    /** @brief Remove a given key from the list.
+     *
+     *  The function fails if the key isn't found
+     *  @param pKey Key to be deleted
+     *  @param type Set by the AI_MATKEY_XXX macro
+     *  @param index Set by the AI_MATKEY_XXX macro  */
+    aiReturn RemoveProperty (const char* pKey,
+        unsigned int type  = 0,
+        unsigned int index = 0);
+
+    // ------------------------------------------------------------------------------
+    /** @brief Removes all properties from the material.
+     *
+     *  The data array remains allocated so adding new properties is quite fast.  */
+    void Clear();
+
+    // ------------------------------------------------------------------------------
+    /** Copy the property list of a material
+     *  @param pcDest Destination material
+     *  @param pcSrc Source material
+     */
+    static void CopyPropertyList(aiMaterial* pcDest,
+        const aiMaterial* pcSrc);
+
+
+#endif
+
+    /** List of all material properties loaded. */
+    C_STRUCT aiMaterialProperty** mProperties;
+
+    /** Number of properties in the data base */
+    unsigned int mNumProperties;
+
+     /** Storage allocated */
+    unsigned int mNumAllocated;
+};
+
+// Go back to extern "C" again
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_NAME "?mat.name",0,0
+#define AI_MATKEY_TWOSIDED "$mat.twosided",0,0
+#define AI_MATKEY_SHADING_MODEL "$mat.shadingm",0,0
+#define AI_MATKEY_ENABLE_WIREFRAME "$mat.wireframe",0,0
+#define AI_MATKEY_BLEND_FUNC "$mat.blend",0,0
+#define AI_MATKEY_OPACITY "$mat.opacity",0,0
+#define AI_MATKEY_BUMPSCALING "$mat.bumpscaling",0,0
+#define AI_MATKEY_SHININESS "$mat.shininess",0,0
+#define AI_MATKEY_REFLECTIVITY "$mat.reflectivity",0,0
+#define AI_MATKEY_SHININESS_STRENGTH "$mat.shinpercent",0,0
+#define AI_MATKEY_REFRACTI "$mat.refracti",0,0
+#define AI_MATKEY_COLOR_DIFFUSE "$clr.diffuse",0,0
+#define AI_MATKEY_COLOR_AMBIENT "$clr.ambient",0,0
+#define AI_MATKEY_COLOR_SPECULAR "$clr.specular",0,0
+#define AI_MATKEY_COLOR_EMISSIVE "$clr.emissive",0,0
+#define AI_MATKEY_COLOR_TRANSPARENT "$clr.transparent",0,0
+#define AI_MATKEY_COLOR_REFLECTIVE "$clr.reflective",0,0
+#define AI_MATKEY_GLOBAL_BACKGROUND_IMAGE "?bg.global",0,0
+#define AI_MATKEY_GLOBAL_SHADERLANG "?sh.lang",0,0
+#define AI_MATKEY_SHADER_VERTEX "?sh.vs",0,0
+#define AI_MATKEY_SHADER_FRAGMENT "?sh.fs",0,0
+#define AI_MATKEY_SHADER_GEO "?sh.gs",0,0
+#define AI_MATKEY_SHADER_TESSELATION "?sh.ts",0,0
+#define AI_MATKEY_SHADER_PRIMITIVE "?sh.ps",0,0
+#define AI_MATKEY_SHADER_COMPUTE "?sh.cs",0,0
+
+// ---------------------------------------------------------------------------
+// Pure key names for all texture-related properties
+//! @cond MATS_DOC_FULL
+#define _AI_MATKEY_TEXTURE_BASE         "$tex.file"
+#define _AI_MATKEY_UVWSRC_BASE          "$tex.uvwsrc"
+#define _AI_MATKEY_TEXOP_BASE           "$tex.op"
+#define _AI_MATKEY_MAPPING_BASE         "$tex.mapping"
+#define _AI_MATKEY_TEXBLEND_BASE        "$tex.blend"
+#define _AI_MATKEY_MAPPINGMODE_U_BASE   "$tex.mapmodeu"
+#define _AI_MATKEY_MAPPINGMODE_V_BASE   "$tex.mapmodev"
+#define _AI_MATKEY_TEXMAP_AXIS_BASE     "$tex.mapaxis"
+#define _AI_MATKEY_UVTRANSFORM_BASE     "$tex.uvtrafo"
+#define _AI_MATKEY_TEXFLAGS_BASE        "$tex.flags"
+//! @endcond
+
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_TEXTURE(type, N) _AI_MATKEY_TEXTURE_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_TEXTURE_DIFFUSE(N)    \
+    AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_TEXTURE_SPECULAR(N)   \
+    AI_MATKEY_TEXTURE(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_TEXTURE_AMBIENT(N)    \
+    AI_MATKEY_TEXTURE(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_TEXTURE_EMISSIVE(N)   \
+    AI_MATKEY_TEXTURE(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_TEXTURE_NORMALS(N)    \
+    AI_MATKEY_TEXTURE(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_TEXTURE_HEIGHT(N) \
+    AI_MATKEY_TEXTURE(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_TEXTURE_SHININESS(N)  \
+    AI_MATKEY_TEXTURE(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_TEXTURE_OPACITY(N)    \
+    AI_MATKEY_TEXTURE(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_TEXTURE_DISPLACEMENT(N)   \
+    AI_MATKEY_TEXTURE(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_TEXTURE_LIGHTMAP(N)   \
+    AI_MATKEY_TEXTURE(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_TEXTURE_REFLECTION(N) \
+    AI_MATKEY_TEXTURE(aiTextureType_REFLECTION,N)
+
+//! @endcond
+
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_UVWSRC(type, N) _AI_MATKEY_UVWSRC_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_UVWSRC_DIFFUSE(N) \
+    AI_MATKEY_UVWSRC(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_UVWSRC_SPECULAR(N)    \
+    AI_MATKEY_UVWSRC(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_UVWSRC_AMBIENT(N) \
+    AI_MATKEY_UVWSRC(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_UVWSRC_EMISSIVE(N)    \
+    AI_MATKEY_UVWSRC(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_UVWSRC_NORMALS(N) \
+    AI_MATKEY_UVWSRC(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_UVWSRC_HEIGHT(N)  \
+    AI_MATKEY_UVWSRC(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_UVWSRC_SHININESS(N)   \
+    AI_MATKEY_UVWSRC(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_UVWSRC_OPACITY(N) \
+    AI_MATKEY_UVWSRC(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_UVWSRC_DISPLACEMENT(N)    \
+    AI_MATKEY_UVWSRC(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_UVWSRC_LIGHTMAP(N)    \
+    AI_MATKEY_UVWSRC(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_UVWSRC_REFLECTION(N)  \
+    AI_MATKEY_UVWSRC(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_TEXOP(type, N) _AI_MATKEY_TEXOP_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_TEXOP_DIFFUSE(N)  \
+    AI_MATKEY_TEXOP(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_TEXOP_SPECULAR(N) \
+    AI_MATKEY_TEXOP(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_TEXOP_AMBIENT(N)  \
+    AI_MATKEY_TEXOP(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_TEXOP_EMISSIVE(N) \
+    AI_MATKEY_TEXOP(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_TEXOP_NORMALS(N)  \
+    AI_MATKEY_TEXOP(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_TEXOP_HEIGHT(N)   \
+    AI_MATKEY_TEXOP(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_TEXOP_SHININESS(N)    \
+    AI_MATKEY_TEXOP(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_TEXOP_OPACITY(N)  \
+    AI_MATKEY_TEXOP(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_TEXOP_DISPLACEMENT(N) \
+    AI_MATKEY_TEXOP(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_TEXOP_LIGHTMAP(N) \
+    AI_MATKEY_TEXOP(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_TEXOP_REFLECTION(N)   \
+    AI_MATKEY_TEXOP(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_MAPPING(type, N) _AI_MATKEY_MAPPING_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_MAPPING_DIFFUSE(N)    \
+    AI_MATKEY_MAPPING(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_MAPPING_SPECULAR(N)   \
+    AI_MATKEY_MAPPING(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_MAPPING_AMBIENT(N)    \
+    AI_MATKEY_MAPPING(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_MAPPING_EMISSIVE(N)   \
+    AI_MATKEY_MAPPING(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_MAPPING_NORMALS(N)    \
+    AI_MATKEY_MAPPING(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_MAPPING_HEIGHT(N) \
+    AI_MATKEY_MAPPING(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_MAPPING_SHININESS(N)  \
+    AI_MATKEY_MAPPING(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_MAPPING_OPACITY(N)    \
+    AI_MATKEY_MAPPING(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_MAPPING_DISPLACEMENT(N)   \
+    AI_MATKEY_MAPPING(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_MAPPING_LIGHTMAP(N)   \
+    AI_MATKEY_MAPPING(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_MAPPING_REFLECTION(N) \
+    AI_MATKEY_MAPPING(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_TEXBLEND(type, N) _AI_MATKEY_TEXBLEND_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_TEXBLEND_DIFFUSE(N)   \
+    AI_MATKEY_TEXBLEND(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_TEXBLEND_SPECULAR(N)  \
+    AI_MATKEY_TEXBLEND(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_TEXBLEND_AMBIENT(N)   \
+    AI_MATKEY_TEXBLEND(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_TEXBLEND_EMISSIVE(N)  \
+    AI_MATKEY_TEXBLEND(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_TEXBLEND_NORMALS(N)   \
+    AI_MATKEY_TEXBLEND(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_TEXBLEND_HEIGHT(N)    \
+    AI_MATKEY_TEXBLEND(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_TEXBLEND_SHININESS(N) \
+    AI_MATKEY_TEXBLEND(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_TEXBLEND_OPACITY(N)   \
+    AI_MATKEY_TEXBLEND(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_TEXBLEND_DISPLACEMENT(N)  \
+    AI_MATKEY_TEXBLEND(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_TEXBLEND_LIGHTMAP(N)  \
+    AI_MATKEY_TEXBLEND(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_TEXBLEND_REFLECTION(N)    \
+    AI_MATKEY_TEXBLEND(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_MAPPINGMODE_U(type, N) _AI_MATKEY_MAPPINGMODE_U_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_MAPPINGMODE_U_DIFFUSE(N)  \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_SPECULAR(N) \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_AMBIENT(N)  \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_EMISSIVE(N) \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_NORMALS(N)  \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_HEIGHT(N)   \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_SHININESS(N)    \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_OPACITY(N)  \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_DISPLACEMENT(N) \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_LIGHTMAP(N) \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_MAPPINGMODE_U_REFLECTION(N)   \
+    AI_MATKEY_MAPPINGMODE_U(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_MAPPINGMODE_V(type, N) _AI_MATKEY_MAPPINGMODE_V_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_MAPPINGMODE_V_DIFFUSE(N)  \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_SPECULAR(N) \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_AMBIENT(N)  \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_EMISSIVE(N) \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_NORMALS(N)  \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_HEIGHT(N)   \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_SHININESS(N)    \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_OPACITY(N)  \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_DISPLACEMENT(N) \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_LIGHTMAP(N) \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_MAPPINGMODE_V_REFLECTION(N)   \
+    AI_MATKEY_MAPPINGMODE_V(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_TEXMAP_AXIS(type, N) _AI_MATKEY_TEXMAP_AXIS_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_TEXMAP_AXIS_DIFFUSE(N)    \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_SPECULAR(N)   \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_AMBIENT(N)    \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_EMISSIVE(N)   \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_NORMALS(N)    \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_HEIGHT(N) \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_SHININESS(N)  \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_OPACITY(N)    \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_DISPLACEMENT(N)   \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_LIGHTMAP(N)   \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_TEXMAP_AXIS_REFLECTION(N) \
+    AI_MATKEY_TEXMAP_AXIS(aiTextureType_REFLECTION,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_UVTRANSFORM(type, N) _AI_MATKEY_UVTRANSFORM_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_UVTRANSFORM_DIFFUSE(N)    \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_UVTRANSFORM_SPECULAR(N)   \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_UVTRANSFORM_AMBIENT(N)    \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_UVTRANSFORM_EMISSIVE(N)   \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_UVTRANSFORM_NORMALS(N)    \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_UVTRANSFORM_HEIGHT(N) \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_UVTRANSFORM_SHININESS(N)  \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_UVTRANSFORM_OPACITY(N)    \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_UVTRANSFORM_DISPLACEMENT(N)   \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_UVTRANSFORM_LIGHTMAP(N)   \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_UVTRANSFORM_REFLECTION(N) \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_REFLECTION,N)
+
+#define AI_MATKEY_UVTRANSFORM_UNKNOWN(N)    \
+    AI_MATKEY_UVTRANSFORM(aiTextureType_UNKNOWN,N)
+
+//! @endcond
+// ---------------------------------------------------------------------------
+#define AI_MATKEY_TEXFLAGS(type, N) _AI_MATKEY_TEXFLAGS_BASE,type,N
+
+// For backward compatibility and simplicity
+//! @cond MATS_DOC_FULL
+#define AI_MATKEY_TEXFLAGS_DIFFUSE(N)   \
+    AI_MATKEY_TEXFLAGS(aiTextureType_DIFFUSE,N)
+
+#define AI_MATKEY_TEXFLAGS_SPECULAR(N)  \
+    AI_MATKEY_TEXFLAGS(aiTextureType_SPECULAR,N)
+
+#define AI_MATKEY_TEXFLAGS_AMBIENT(N)   \
+    AI_MATKEY_TEXFLAGS(aiTextureType_AMBIENT,N)
+
+#define AI_MATKEY_TEXFLAGS_EMISSIVE(N)  \
+    AI_MATKEY_TEXFLAGS(aiTextureType_EMISSIVE,N)
+
+#define AI_MATKEY_TEXFLAGS_NORMALS(N)   \
+    AI_MATKEY_TEXFLAGS(aiTextureType_NORMALS,N)
+
+#define AI_MATKEY_TEXFLAGS_HEIGHT(N)    \
+    AI_MATKEY_TEXFLAGS(aiTextureType_HEIGHT,N)
+
+#define AI_MATKEY_TEXFLAGS_SHININESS(N) \
+    AI_MATKEY_TEXFLAGS(aiTextureType_SHININESS,N)
+
+#define AI_MATKEY_TEXFLAGS_OPACITY(N)   \
+    AI_MATKEY_TEXFLAGS(aiTextureType_OPACITY,N)
+
+#define AI_MATKEY_TEXFLAGS_DISPLACEMENT(N)  \
+    AI_MATKEY_TEXFLAGS(aiTextureType_DISPLACEMENT,N)
+
+#define AI_MATKEY_TEXFLAGS_LIGHTMAP(N)  \
+    AI_MATKEY_TEXFLAGS(aiTextureType_LIGHTMAP,N)
+
+#define AI_MATKEY_TEXFLAGS_REFLECTION(N)    \
+    AI_MATKEY_TEXFLAGS(aiTextureType_REFLECTION,N)
+
+#define AI_MATKEY_TEXFLAGS_UNKNOWN(N)   \
+    AI_MATKEY_TEXFLAGS(aiTextureType_UNKNOWN,N)
+
+//! @endcond
+//!
+// ---------------------------------------------------------------------------
+/** @brief Retrieve a material property with a specific key from the material
+ *
+ * @param pMat Pointer to the input material. May not be NULL
+ * @param pKey Key to search for. One of the AI_MATKEY_XXX constants.
+ * @param type Specifies the type of the texture to be retrieved (
+ *    e.g. diffuse, specular, height map ...)
+ * @param index Index of the texture to be retrieved.
+ * @param pPropOut Pointer to receive a pointer to a valid aiMaterialProperty
+ *        structure or NULL if the key has not been found. */
+// ---------------------------------------------------------------------------
+ASSIMP_API C_ENUM aiReturn aiGetMaterialProperty(
+    const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int  index,
+    const C_STRUCT aiMaterialProperty** pPropOut);
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve an array of float values with a specific key
+ *  from the material
+ *
+ * Pass one of the AI_MATKEY_XXX constants for the last three parameters (the
+ * example reads the #AI_MATKEY_UVTRANSFORM property of the first diffuse texture)
+ * @code
+ * aiUVTransform trafo;
+ * unsigned int max = sizeof(aiUVTransform);
+ * if (AI_SUCCESS != aiGetMaterialFloatArray(mat, AI_MATKEY_UVTRANSFORM(aiTextureType_DIFFUSE,0),
+ *    (float*)&trafo, &max) || sizeof(aiUVTransform) != max)
+ * {
+ *   // error handling
+ * }
+ * @endcode
+ *
+ * @param pMat Pointer to the input material. May not be NULL
+ * @param pKey Key to search for. One of the AI_MATKEY_XXX constants.
+ * @param pOut Pointer to a buffer to receive the result.
+ * @param pMax Specifies the size of the given buffer, in float's.
+ *        Receives the number of values (not bytes!) read.
+ * @param type (see the code sample above)
+ * @param index (see the code sample above)
+ * @return Specifies whether the key has been found. If not, the output
+ *   arrays remains unmodified and pMax is set to 0.*/
+// ---------------------------------------------------------------------------
+ASSIMP_API C_ENUM aiReturn aiGetMaterialFloatArray(
+    const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    ai_real* pOut,
+    unsigned int* pMax);
+
+
+#ifdef __cplusplus
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve a single float property with a specific key from the material.
+*
+* Pass one of the AI_MATKEY_XXX constants for the last three parameters (the
+* example reads the #AI_MATKEY_SHININESS_STRENGTH property of the first diffuse texture)
+* @code
+* float specStrength = 1.f; // default value, remains unmodified if we fail.
+* aiGetMaterialFloat(mat, AI_MATKEY_SHININESS_STRENGTH,
+*    (float*)&specStrength);
+* @endcode
+*
+* @param pMat Pointer to the input material. May not be NULL
+* @param pKey Key to search for. One of the AI_MATKEY_XXX constants.
+* @param pOut Receives the output float.
+* @param type (see the code sample above)
+* @param index (see the code sample above)
+* @return Specifies whether the key has been found. If not, the output
+*   float remains unmodified.*/
+// ---------------------------------------------------------------------------
+inline aiReturn aiGetMaterialFloat(const aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    ai_real* pOut)
+{
+    return aiGetMaterialFloatArray(pMat,pKey,type,index,pOut,(unsigned int*)0x0);
+}
+
+#else
+
+// Use our friend, the C preprocessor
+#define aiGetMaterialFloat (pMat, type, index, pKey, pOut) \
+    aiGetMaterialFloatArray(pMat, type, index, pKey, pOut, NULL)
+
+#endif //!__cplusplus
+
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve an array of integer values with a specific key
+ *  from a material
+ *
+ * See the sample for aiGetMaterialFloatArray for more information.*/
+ASSIMP_API C_ENUM aiReturn aiGetMaterialIntegerArray(const C_STRUCT aiMaterial* pMat,
+     const char* pKey,
+     unsigned int  type,
+     unsigned int  index,
+     int* pOut,
+     unsigned int* pMax);
+
+
+#ifdef __cplusplus
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve an integer property with a specific key from a material
+ *
+ * See the sample for aiGetMaterialFloat for more information.*/
+// ---------------------------------------------------------------------------
+inline aiReturn aiGetMaterialInteger(const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    int* pOut)
+{
+    return aiGetMaterialIntegerArray(pMat,pKey,type,index,pOut,(unsigned int*)0x0);
+}
+
+#else
+
+// use our friend, the C preprocessor
+#define aiGetMaterialInteger (pMat, type, index, pKey, pOut) \
+    aiGetMaterialIntegerArray(pMat, type, index, pKey, pOut, NULL)
+
+#endif //!__cplusplus
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve a color value from the material property table
+*
+* See the sample for aiGetMaterialFloat for more information*/
+// ---------------------------------------------------------------------------
+ASSIMP_API C_ENUM aiReturn aiGetMaterialColor(const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    C_STRUCT aiColor4D* pOut);
+
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve a aiUVTransform value from the material property table
+*
+* See the sample for aiGetMaterialFloat for more information*/
+// ---------------------------------------------------------------------------
+ASSIMP_API C_ENUM aiReturn aiGetMaterialUVTransform(const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    C_STRUCT aiUVTransform* pOut);
+
+
+// ---------------------------------------------------------------------------
+/** @brief Retrieve a string from the material property table
+*
+* See the sample for aiGetMaterialFloat for more information.*/
+// ---------------------------------------------------------------------------
+ASSIMP_API C_ENUM aiReturn aiGetMaterialString(const C_STRUCT aiMaterial* pMat,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index,
+    C_STRUCT aiString* pOut);
+
+// ---------------------------------------------------------------------------
+/** Get the number of textures for a particular texture type.
+ *  @param[in] pMat Pointer to the input material. May not be NULL
+ *  @param type Texture type to check for
+ *  @return Number of textures for this type.
+ *  @note A texture can be easily queried using #aiGetMaterialTexture() */
+// ---------------------------------------------------------------------------
+ASSIMP_API unsigned int aiGetMaterialTextureCount(const C_STRUCT aiMaterial* pMat,
+    C_ENUM aiTextureType type);
+
+// ---------------------------------------------------------------------------
+/** @brief Helper function to get all values pertaining to a particular
+ *  texture slot from a material structure.
+ *
+ *  This function is provided just for convenience. You could also read the
+ *  texture by parsing all of its properties manually. This function bundles
+ *  all of them in a huge function monster.
+ *
+ *  @param[in] mat Pointer to the input material. May not be NULL
+ *  @param[in] type Specifies the texture stack to read from (e.g. diffuse,
+ *     specular, height map ...).
+ *  @param[in] index Index of the texture. The function fails if the
+ *     requested index is not available for this texture type.
+ *     #aiGetMaterialTextureCount() can be used to determine the number of
+ *     textures in a particular texture stack.
+ *  @param[out] path Receives the output path
+ *     If the texture is embedded, receives a '*' followed by the id of
+ *     the texture (for the textures stored in the corresponding scene) which
+ *     can be converted to an int using a function like atoi.
+ *     This parameter must be non-null.
+ *  @param mapping The texture mapping mode to be used.
+ *      Pass NULL if you're not interested in this information.
+ *  @param[out] uvindex For UV-mapped textures: receives the index of the UV
+ *      source channel. Unmodified otherwise.
+ *      Pass NULL if you're not interested in this information.
+ *  @param[out] blend Receives the blend factor for the texture
+ *      Pass NULL if you're not interested in this information.
+ *  @param[out] op Receives the texture blend operation to be perform between
+ *      this texture and the previous texture.
+ *      Pass NULL if you're not interested in this information.
+ *  @param[out] mapmode Receives the mapping modes to be used for the texture.
+ *      Pass NULL if you're not interested in this information. Otherwise,
+ *      pass a pointer to an array of two aiTextureMapMode's (one for each
+ *      axis, UV order).
+ *  @param[out] flags Receives the the texture flags.
+ *  @return AI_SUCCESS on success, otherwise something else. Have fun.*/
+// ---------------------------------------------------------------------------
+#ifdef __cplusplus
+ASSIMP_API aiReturn aiGetMaterialTexture(const C_STRUCT aiMaterial* mat,
+    aiTextureType type,
+    unsigned int  index,
+    aiString* path,
+    aiTextureMapping* mapping   = NULL,
+    unsigned int* uvindex       = NULL,
+    ai_real* blend              = NULL,
+    aiTextureOp* op             = NULL,
+    aiTextureMapMode* mapmode   = NULL,
+    unsigned int* flags         = NULL);
+#else
+C_ENUM aiReturn aiGetMaterialTexture(const C_STRUCT aiMaterial* mat,
+    C_ENUM aiTextureType type,
+    unsigned int  index,
+    C_STRUCT aiString* path,
+    C_ENUM aiTextureMapping* mapping    /*= NULL*/,
+    unsigned int* uvindex               /*= NULL*/,
+    ai_real* blend                      /*= NULL*/,
+    C_ENUM aiTextureOp* op              /*= NULL*/,
+    C_ENUM aiTextureMapMode* mapmode    /*= NULL*/,
+    unsigned int* flags                 /*= NULL*/);
+#endif // !#ifdef __cplusplus
+
+
+#ifdef __cplusplus
+}
+
+#include "material.inl"
+
+#endif //!__cplusplus
+
+#endif //!!AI_MATERIAL_H_INC
diff --git a/thirdparty/assimp/include/assimp/material.inl b/thirdparty/assimp/include/assimp/material.inl
new file mode 100644
index 0000000000..b05d6af6c3
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/material.inl
@@ -0,0 +1,390 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file material.inl
+ *  @brief Defines the C++ getters for the material system
+ */
+
+#pragma once
+#ifndef AI_MATERIAL_INL_INC
+#define AI_MATERIAL_INL_INC
+
+// ---------------------------------------------------------------------------
+inline aiPropertyTypeInfo ai_real_to_property_type_info(float)
+{
+	return aiPTI_Float;
+}
+
+inline aiPropertyTypeInfo ai_real_to_property_type_info(double)
+{
+	return aiPTI_Double;
+}
+// ---------------------------------------------------------------------------
+
+//! @cond never
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::GetTexture( aiTextureType type,
+   unsigned int  index,
+   C_STRUCT aiString* path,
+   aiTextureMapping* mapping    /*= NULL*/,
+   unsigned int* uvindex        /*= NULL*/,
+   ai_real* blend               /*= NULL*/,
+   aiTextureOp* op              /*= NULL*/,
+   aiTextureMapMode* mapmode    /*= NULL*/) const
+{
+    return ::aiGetMaterialTexture(this,type,index,path,mapping,uvindex,blend,op,mapmode);
+}
+
+// ---------------------------------------------------------------------------
+inline unsigned int aiMaterial::GetTextureCount(aiTextureType type) const
+{
+    return ::aiGetMaterialTextureCount(this,type);
+}
+
+// ---------------------------------------------------------------------------
+template <typename Type>
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx, Type* pOut,
+    unsigned int* pMax) const
+{
+    unsigned int iNum = pMax ? *pMax : 1;
+
+    const aiMaterialProperty* prop;
+    const aiReturn ret = ::aiGetMaterialProperty(this,pKey,type,idx,
+        (const aiMaterialProperty**)&prop);
+    if ( AI_SUCCESS == ret )    {
+
+        if (prop->mDataLength < sizeof(Type)*iNum) {
+            return AI_FAILURE;
+        }
+
+        if (prop->mType != aiPTI_Buffer) {
+            return AI_FAILURE;
+        }
+
+        iNum = std::min((size_t)iNum,prop->mDataLength / sizeof(Type));
+        ::memcpy(pOut,prop->mData,iNum * sizeof(Type));
+        if (pMax) {
+            *pMax = iNum;
+        }
+    }
+    return ret;
+}
+
+// ---------------------------------------------------------------------------
+template <typename Type>
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,Type& pOut) const
+{
+    const aiMaterialProperty* prop;
+    const aiReturn ret = ::aiGetMaterialProperty(this,pKey,type,idx,
+        (const aiMaterialProperty**)&prop);
+    if ( AI_SUCCESS == ret ) {
+
+        if (prop->mDataLength < sizeof(Type)) {
+            return AI_FAILURE;
+        }
+
+        if (prop->mType != aiPTI_Buffer) {
+            return AI_FAILURE;
+        }
+
+        ::memcpy( &pOut, prop->mData, sizeof( Type ) );
+    }
+    return ret;
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,ai_real* pOut,
+    unsigned int* pMax) const
+{
+    return ::aiGetMaterialFloatArray(this,pKey,type,idx,pOut,pMax);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,int* pOut,
+    unsigned int* pMax) const
+{
+    return ::aiGetMaterialIntegerArray(this,pKey,type,idx,pOut,pMax);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,ai_real& pOut) const
+{
+    return aiGetMaterialFloat(this,pKey,type,idx,&pOut);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,int& pOut) const
+{
+    return aiGetMaterialInteger(this,pKey,type,idx,&pOut);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,aiColor4D& pOut) const
+{
+    return aiGetMaterialColor(this,pKey,type,idx,&pOut);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,aiColor3D& pOut) const
+{
+    aiColor4D c;
+    const aiReturn ret = aiGetMaterialColor(this,pKey,type,idx,&c);
+    pOut = aiColor3D(c.r,c.g,c.b);
+    return ret;
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,aiString& pOut) const
+{
+    return aiGetMaterialString(this,pKey,type,idx,&pOut);
+}
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::Get(const char* pKey,unsigned int type,
+    unsigned int idx,aiUVTransform& pOut) const
+{
+    return aiGetMaterialUVTransform(this,pKey,type,idx,&pOut);
+}
+
+
+// ---------------------------------------------------------------------------
+template<class TYPE>
+aiReturn aiMaterial::AddProperty (const TYPE* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(TYPE),
+        pKey,type,index,aiPTI_Buffer);
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const float* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(float),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const double* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(double),
+        pKey,type,index,aiPTI_Double);
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const aiUVTransform* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiUVTransform),
+        pKey,type,index,ai_real_to_property_type_info(pInput->mRotation));
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const aiColor4D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiColor4D),
+        pKey,type,index,ai_real_to_property_type_info(pInput->a));
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const aiColor3D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiColor3D),
+        pKey,type,index,ai_real_to_property_type_info(pInput->b));
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const aiVector3D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiVector3D),
+        pKey,type,index,ai_real_to_property_type_info(pInput->x));
+}
+
+// ---------------------------------------------------------------------------
+inline aiReturn aiMaterial::AddProperty(const int* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(int),
+        pKey,type,index,aiPTI_Integer);
+}
+
+
+// ---------------------------------------------------------------------------
+// The template specializations below are for backwards compatibility.
+// The recommended way to add material properties is using the non-template
+// overloads.
+// ---------------------------------------------------------------------------
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<float>(const float* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(float),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<double>(const double* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(double),
+        pKey,type,index,aiPTI_Double);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<aiUVTransform>(const aiUVTransform* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiUVTransform),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<aiColor4D>(const aiColor4D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiColor4D),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<aiColor3D>(const aiColor3D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiColor3D),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<aiVector3D>(const aiVector3D* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(aiVector3D),
+        pKey,type,index,aiPTI_Float);
+}
+
+// ---------------------------------------------------------------------------
+template<>
+inline aiReturn aiMaterial::AddProperty<int>(const int* pInput,
+    const unsigned int pNumValues,
+    const char* pKey,
+    unsigned int type,
+    unsigned int index)
+{
+    return AddBinaryProperty((const void*)pInput,
+        pNumValues * sizeof(int),
+        pKey,type,index,aiPTI_Integer);
+}
+
+//! @endcond
+
+#endif //! AI_MATERIAL_INL_INC
diff --git a/thirdparty/assimp/include/assimp/matrix3x3.h b/thirdparty/assimp/include/assimp/matrix3x3.h
new file mode 100644
index 0000000000..22b69561ff
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/matrix3x3.h
@@ -0,0 +1,183 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file matrix3x3.h
+ *  @brief Definition of a 3x3 matrix, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_MATRIX3X3_H_INC
+#define AI_MATRIX3X3_H_INC
+
+#include "defs.h"
+
+#ifdef __cplusplus
+
+template <typename T> class aiMatrix4x4t;
+template <typename T> class aiVector2t;
+
+// ---------------------------------------------------------------------------
+/** @brief Represents a row-major 3x3 matrix
+ *
+ *  There's much confusion about matrix layouts (column vs. row order).
+ *  This is *always* a row-major matrix. Not even with the
+ *  #aiProcess_ConvertToLeftHanded flag, which absolutely does not affect
+ *  matrix order - it just affects the handedness of the coordinate system
+ *  defined thereby.
+ */
+template <typename TReal>
+class aiMatrix3x3t
+{
+public:
+
+    aiMatrix3x3t() AI_NO_EXCEPT :
+        a1(static_cast<TReal>(1.0f)), a2(), a3(),
+        b1(), b2(static_cast<TReal>(1.0f)), b3(),
+        c1(), c2(), c3(static_cast<TReal>(1.0f)) {}
+
+    aiMatrix3x3t (  TReal _a1, TReal _a2, TReal _a3,
+                    TReal _b1, TReal _b2, TReal _b3,
+                    TReal _c1, TReal _c2, TReal _c3) :
+        a1(_a1), a2(_a2), a3(_a3),
+        b1(_b1), b2(_b2), b3(_b3),
+        c1(_c1), c2(_c2), c3(_c3)
+    {}
+
+public:
+
+    // matrix multiplication.
+    aiMatrix3x3t& operator *= (const aiMatrix3x3t& m);
+    aiMatrix3x3t  operator  * (const aiMatrix3x3t& m) const;
+
+    // array access operators
+    TReal* operator[]       (unsigned int p_iIndex);
+    const TReal* operator[] (unsigned int p_iIndex) const;
+
+    // comparison operators
+    bool operator== (const aiMatrix4x4t<TReal>& m) const;
+    bool operator!= (const aiMatrix4x4t<TReal>& m) const;
+
+    bool Equal(const aiMatrix4x4t<TReal>& m, TReal epsilon = 1e-6) const;
+
+    template <typename TOther>
+    operator aiMatrix3x3t<TOther> () const;
+
+public:
+
+    // -------------------------------------------------------------------
+    /** @brief Construction from a 4x4 matrix. The remaining parts
+     *  of the matrix are ignored.
+     */
+    explicit aiMatrix3x3t( const aiMatrix4x4t<TReal>& pMatrix);
+
+    // -------------------------------------------------------------------
+    /** @brief Transpose the matrix
+     */
+    aiMatrix3x3t& Transpose();
+
+    // -------------------------------------------------------------------
+    /** @brief Invert the matrix.
+     *  If the matrix is not invertible all elements are set to qnan.
+     *  Beware, use (f != f) to check whether a TReal f is qnan.
+     */
+    aiMatrix3x3t& Inverse();
+    TReal Determinant() const;
+
+public:
+    // -------------------------------------------------------------------
+    /** @brief Returns a rotation matrix for a rotation around z
+     *  @param a Rotation angle, in radians
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix3x3t& RotationZ(TReal a, aiMatrix3x3t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a rotation matrix for a rotation around
+     *    an arbitrary axis.
+     *
+     *  @param a Rotation angle, in radians
+     *  @param axis Axis to rotate around
+     *  @param out To be filled
+     */
+    static aiMatrix3x3t& Rotation( TReal a,
+        const aiVector3t<TReal>& axis, aiMatrix3x3t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a translation matrix
+     *  @param v Translation vector
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix3x3t& Translation( const aiVector2t<TReal>& v, aiMatrix3x3t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief A function for creating a rotation matrix that rotates a
+     *  vector called "from" into another vector called "to".
+     * Input : from[3], to[3] which both must be *normalized* non-zero vectors
+     * Output: mtx[3][3] -- a 3x3 matrix in column-major form
+     * Authors: Tomas Möller, John Hughes
+     *          "Efficiently Building a Matrix to Rotate One Vector to Another"
+     *          Journal of Graphics Tools, 4(4):1-4, 1999
+     */
+    static aiMatrix3x3t& FromToMatrix(const aiVector3t<TReal>& from,
+        const aiVector3t<TReal>& to, aiMatrix3x3t& out);
+
+public:
+    TReal a1, a2, a3;
+    TReal b1, b2, b3;
+    TReal c1, c2, c3;
+};
+
+typedef aiMatrix3x3t<ai_real> aiMatrix3x3;
+
+#else
+
+struct aiMatrix3x3 {
+    ai_real a1, a2, a3;
+    ai_real b1, b2, b3;
+    ai_real c1, c2, c3;
+};
+
+#endif // __cplusplus
+
+#endif // AI_MATRIX3X3_H_INC
diff --git a/thirdparty/assimp/include/assimp/matrix3x3.inl b/thirdparty/assimp/include/assimp/matrix3x3.inl
new file mode 100644
index 0000000000..d9d45a3e92
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/matrix3x3.inl
@@ -0,0 +1,357 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file matrix3x3.inl
+ *  @brief Inline implementation of the 3x3 matrix operators
+ */
+#pragma once
+#ifndef AI_MATRIX3X3_INL_INC
+#define AI_MATRIX3X3_INL_INC
+
+#ifdef __cplusplus
+#include "matrix3x3.h"
+
+#include "matrix4x4.h"
+#include <algorithm>
+#include <cmath>
+#include <limits>
+
+// ------------------------------------------------------------------------------------------------
+// Construction from a 4x4 matrix. The remaining parts of the matrix are ignored.
+template <typename TReal>
+inline aiMatrix3x3t<TReal>::aiMatrix3x3t( const aiMatrix4x4t<TReal>& pMatrix)
+{
+    a1 = pMatrix.a1; a2 = pMatrix.a2; a3 = pMatrix.a3;
+    b1 = pMatrix.b1; b2 = pMatrix.b2; b3 = pMatrix.b3;
+    c1 = pMatrix.c1; c2 = pMatrix.c2; c3 = pMatrix.c3;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& m)
+{
+    *this = aiMatrix3x3t<TReal>(m.a1 * a1 + m.b1 * a2 + m.c1 * a3,
+        m.a2 * a1 + m.b2 * a2 + m.c2 * a3,
+        m.a3 * a1 + m.b3 * a2 + m.c3 * a3,
+        m.a1 * b1 + m.b1 * b2 + m.c1 * b3,
+        m.a2 * b1 + m.b2 * b2 + m.c2 * b3,
+        m.a3 * b1 + m.b3 * b2 + m.c3 * b3,
+        m.a1 * c1 + m.b1 * c2 + m.c1 * c3,
+        m.a2 * c1 + m.b2 * c2 + m.c2 * c3,
+        m.a3 * c1 + m.b3 * c2 + m.c3 * c3);
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+template <typename TOther>
+aiMatrix3x3t<TReal>::operator aiMatrix3x3t<TOther> () const
+{
+    return aiMatrix3x3t<TOther>(static_cast<TOther>(a1),static_cast<TOther>(a2),static_cast<TOther>(a3),
+        static_cast<TOther>(b1),static_cast<TOther>(b2),static_cast<TOther>(b3),
+        static_cast<TOther>(c1),static_cast<TOther>(c2),static_cast<TOther>(c3));
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal> aiMatrix3x3t<TReal>::operator* (const aiMatrix3x3t<TReal>& m) const
+{
+    aiMatrix3x3t<TReal> temp( *this);
+    temp *= m;
+    return temp;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline TReal* aiMatrix3x3t<TReal>::operator[] (unsigned int p_iIndex) {
+    switch ( p_iIndex ) {
+        case 0:
+            return &a1;
+        case 1:
+            return &b1;
+        case 2:
+            return &c1;
+        default:
+            break;
+    }
+    return &a1;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline const TReal* aiMatrix3x3t<TReal>::operator[] (unsigned int p_iIndex) const {
+    switch ( p_iIndex ) {
+        case 0:
+            return &a1;
+        case 1:
+            return &b1;
+        case 2:
+            return &c1;
+        default:
+            break;
+    }
+    return &a1;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiMatrix3x3t<TReal>::operator== (const aiMatrix4x4t<TReal>& m) const
+{
+    return a1 == m.a1 && a2 == m.a2 && a3 == m.a3 &&
+           b1 == m.b1 && b2 == m.b2 && b3 == m.b3 &&
+           c1 == m.c1 && c2 == m.c2 && c3 == m.c3;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiMatrix3x3t<TReal>::operator!= (const aiMatrix4x4t<TReal>& m) const
+{
+    return !(*this == m);
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline bool aiMatrix3x3t<TReal>::Equal(const aiMatrix4x4t<TReal>& m, TReal epsilon) const {
+    return
+        std::abs(a1 - m.a1) <= epsilon &&
+        std::abs(a2 - m.a2) <= epsilon &&
+        std::abs(a3 - m.a3) <= epsilon &&
+        std::abs(b1 - m.b1) <= epsilon &&
+        std::abs(b2 - m.b2) <= epsilon &&
+        std::abs(b3 - m.b3) <= epsilon &&
+        std::abs(c1 - m.c1) <= epsilon &&
+        std::abs(c2 - m.c2) <= epsilon &&
+        std::abs(c3 - m.c3) <= epsilon;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::Transpose()
+{
+    // (TReal&) don't remove, GCC complains cause of packed fields
+    std::swap( (TReal&)a2, (TReal&)b1);
+    std::swap( (TReal&)a3, (TReal&)c1);
+    std::swap( (TReal&)b3, (TReal&)c2);
+    return *this;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline TReal aiMatrix3x3t<TReal>::Determinant() const
+{
+    return a1*b2*c3 - a1*b3*c2 + a2*b3*c1 - a2*b1*c3 + a3*b1*c2 - a3*b2*c1;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::Inverse()
+{
+    // Compute the reciprocal determinant
+    TReal det = Determinant();
+    if(det == static_cast<TReal>(0.0))
+    {
+        // Matrix not invertible. Setting all elements to nan is not really
+        // correct in a mathematical sense; but at least qnans are easy to
+        // spot. XXX we might throw an exception instead, which would
+        // be even much better to spot :/.
+        const TReal nan = std::numeric_limits<TReal>::quiet_NaN();
+        *this = aiMatrix3x3t<TReal>( nan,nan,nan,nan,nan,nan,nan,nan,nan);
+
+        return *this;
+    }
+
+    TReal invdet = static_cast<TReal>(1.0) / det;
+
+    aiMatrix3x3t<TReal> res;
+    res.a1 = invdet  * (b2 * c3 - b3 * c2);
+    res.a2 = -invdet * (a2 * c3 - a3 * c2);
+    res.a3 = invdet  * (a2 * b3 - a3 * b2);
+    res.b1 = -invdet * (b1 * c3 - b3 * c1);
+    res.b2 = invdet  * (a1 * c3 - a3 * c1);
+    res.b3 = -invdet * (a1 * b3 - a3 * b1);
+    res.c1 = invdet  * (b1 * c2 - b2 * c1);
+    res.c2 = -invdet * (a1 * c2 - a2 * c1);
+    res.c3 = invdet  * (a1 * b2 - a2 * b1);
+    *this = res;
+
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::RotationZ(TReal a, aiMatrix3x3t<TReal>& out)
+{
+    out.a1 = out.b2 = std::cos(a);
+    out.b1 = std::sin(a);
+    out.a2 = - out.b1;
+
+    out.a3 = out.b3 = out.c1 = out.c2 = 0.f;
+    out.c3 = 1.f;
+
+    return out;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns a rotation matrix for a rotation around an arbitrary axis.
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::Rotation( TReal a, const aiVector3t<TReal>& axis, aiMatrix3x3t<TReal>& out)
+{
+  TReal c = std::cos( a), s = std::sin( a), t = 1 - c;
+  TReal x = axis.x, y = axis.y, z = axis.z;
+
+  // Many thanks to MathWorld and Wikipedia
+  out.a1 = t*x*x + c;   out.a2 = t*x*y - s*z; out.a3 = t*x*z + s*y;
+  out.b1 = t*x*y + s*z; out.b2 = t*y*y + c;   out.b3 = t*y*z - s*x;
+  out.c1 = t*x*z - s*y; out.c2 = t*y*z + s*x; out.c3 = t*z*z + c;
+
+  return out;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::Translation( const aiVector2t<TReal>& v, aiMatrix3x3t<TReal>& out)
+{
+    out = aiMatrix3x3t<TReal>();
+    out.a3 = v.x;
+    out.b3 = v.y;
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+/** A function for creating a rotation matrix that rotates a vector called
+ * "from" into another vector called "to".
+ * Input : from[3], to[3] which both must be *normalized* non-zero vectors
+ * Output: mtx[3][3] -- a 3x3 matrix in colum-major form
+ * Authors: Tomas Möller, John Hughes
+ *          "Efficiently Building a Matrix to Rotate One Vector to Another"
+ *          Journal of Graphics Tools, 4(4):1-4, 1999
+ */
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix3x3t<TReal>& aiMatrix3x3t<TReal>::FromToMatrix(const aiVector3t<TReal>& from,
+    const aiVector3t<TReal>& to, aiMatrix3x3t<TReal>& mtx)
+{
+    const TReal e = from * to;
+    const TReal f = (e < 0)? -e:e;
+
+    if (f > static_cast<TReal>(1.0) - static_cast<TReal>(0.00001))     /* "from" and "to"-vector almost parallel */
+    {
+        aiVector3D u,v;     /* temporary storage vectors */
+        aiVector3D x;       /* vector most nearly orthogonal to "from" */
+
+        x.x = (from.x > 0.0)? from.x : -from.x;
+        x.y = (from.y > 0.0)? from.y : -from.y;
+        x.z = (from.z > 0.0)? from.z : -from.z;
+
+        if (x.x < x.y)
+        {
+            if (x.x < x.z)
+            {
+                x.x = static_cast<TReal>(1.0);
+                x.y = x.z = static_cast<TReal>(0.0);
+            }
+            else
+            {
+                x.z = static_cast<TReal>(1.0);
+                x.x = x.y = static_cast<TReal>(0.0);
+            }
+        }
+        else
+        {
+            if (x.y < x.z)
+            {
+                x.y = static_cast<TReal>(1.0);
+                x.x = x.z = static_cast<TReal>(0.0);
+            }
+            else
+            {
+                x.z = static_cast<TReal>(1.0);
+                x.x = x.y = static_cast<TReal>(0.0);
+            }
+        }
+
+        u.x = x.x - from.x; u.y = x.y - from.y; u.z = x.z - from.z;
+        v.x = x.x - to.x;   v.y = x.y - to.y;   v.z = x.z - to.z;
+
+        const TReal c1_ = static_cast<TReal>(2.0) / (u * u);
+        const TReal c2_ = static_cast<TReal>(2.0) / (v * v);
+        const TReal c3_ = c1_ * c2_  * (u * v);
+
+        for (unsigned int i = 0; i < 3; i++)
+        {
+            for (unsigned int j = 0; j < 3; j++)
+            {
+                mtx[i][j] =  - c1_ * u[i] * u[j] - c2_ * v[i] * v[j]
+                    + c3_ * v[i] * u[j];
+            }
+            mtx[i][i] += static_cast<TReal>(1.0);
+        }
+    }
+    else  /* the most common case, unless "from"="to", or "from"=-"to" */
+    {
+        const aiVector3D v = from ^ to;
+        /* ... use this hand optimized version (9 mults less) */
+        const TReal h = static_cast<TReal>(1.0)/(static_cast<TReal>(1.0) + e);      /* optimization by Gottfried Chen */
+        const TReal hvx = h * v.x;
+        const TReal hvz = h * v.z;
+        const TReal hvxy = hvx * v.y;
+        const TReal hvxz = hvx * v.z;
+        const TReal hvyz = hvz * v.y;
+        mtx[0][0] = e + hvx * v.x;
+        mtx[0][1] = hvxy - v.z;
+        mtx[0][2] = hvxz + v.y;
+
+        mtx[1][0] = hvxy + v.z;
+        mtx[1][1] = e + h * v.y * v.y;
+        mtx[1][2] = hvyz - v.x;
+
+        mtx[2][0] = hvxz - v.y;
+        mtx[2][1] = hvyz + v.x;
+        mtx[2][2] = e + hvz * v.z;
+    }
+    return mtx;
+}
+
+
+#endif // __cplusplus
+#endif // AI_MATRIX3X3_INL_INC
diff --git a/thirdparty/assimp/include/assimp/matrix4x4.h b/thirdparty/assimp/include/assimp/matrix4x4.h
new file mode 100644
index 0000000000..046bb535f2
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/matrix4x4.h
@@ -0,0 +1,280 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file matrix4x4.h
+ *  @brief 4x4 matrix structure, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_MATRIX4X4_H_INC
+#define AI_MATRIX4X4_H_INC
+
+#include "vector3.h"
+#include "defs.h"
+
+#ifdef __cplusplus
+
+template<typename TReal> class aiMatrix3x3t;
+template<typename TReal> class aiQuaterniont;
+
+// ---------------------------------------------------------------------------
+/** @brief Represents a row-major 4x4 matrix, use this for homogeneous
+ *   coordinates.
+ *
+ *  There's much confusion about matrix layouts (column vs. row order).
+ *  This is *always* a row-major matrix. Not even with the
+ *  #aiProcess_ConvertToLeftHanded flag, which absolutely does not affect
+ *  matrix order - it just affects the handedness of the coordinate system
+ *  defined thereby.
+ */
+template<typename TReal>
+class aiMatrix4x4t
+{
+public:
+
+    /** set to identity */
+    aiMatrix4x4t() AI_NO_EXCEPT;
+
+    /** construction from single values */
+    aiMatrix4x4t (  TReal _a1, TReal _a2, TReal _a3, TReal _a4,
+                    TReal _b1, TReal _b2, TReal _b3, TReal _b4,
+                    TReal _c1, TReal _c2, TReal _c3, TReal _c4,
+                    TReal _d1, TReal _d2, TReal _d3, TReal _d4);
+
+
+    /** construction from 3x3 matrix, remaining elements are set to identity */
+    explicit aiMatrix4x4t( const aiMatrix3x3t<TReal>& m);
+
+    /** construction from position, rotation and scaling components
+     * @param scaling The scaling for the x,y,z axes
+     * @param rotation The rotation as a hamilton quaternion
+     * @param position The position for the x,y,z axes
+     */
+    aiMatrix4x4t(const aiVector3t<TReal>& scaling, const aiQuaterniont<TReal>& rotation,
+        const aiVector3t<TReal>& position);
+
+public:
+
+    // array access operators
+	/** @fn TReal* operator[] (unsigned int p_iIndex)
+	 *  @param [in] p_iIndex - index of the row.
+	 *  @return pointer to pointed row.
+	 */
+    TReal* operator[]       (unsigned int p_iIndex);
+
+	/** @fn const TReal* operator[] (unsigned int p_iIndex) const
+	 *  @overload TReal* operator[] (unsigned int p_iIndex)
+	 */
+    const TReal* operator[] (unsigned int p_iIndex) const;
+
+    // comparison operators
+    bool operator== (const aiMatrix4x4t& m) const;
+    bool operator!= (const aiMatrix4x4t& m) const;
+
+    bool Equal(const aiMatrix4x4t& m, TReal epsilon = 1e-6) const;
+
+    // matrix multiplication.
+    aiMatrix4x4t& operator *= (const aiMatrix4x4t& m);
+    aiMatrix4x4t  operator *  (const aiMatrix4x4t& m) const;
+    aiMatrix4x4t operator * (const TReal& aFloat) const;
+    aiMatrix4x4t operator + (const aiMatrix4x4t& aMatrix) const;
+
+    template <typename TOther>
+    operator aiMatrix4x4t<TOther> () const;
+
+public:
+
+    // -------------------------------------------------------------------
+    /** @brief Transpose the matrix */
+    aiMatrix4x4t& Transpose();
+
+    // -------------------------------------------------------------------
+    /** @brief Invert the matrix.
+     *  If the matrix is not invertible all elements are set to qnan.
+     *  Beware, use (f != f) to check whether a TReal f is qnan.
+     */
+    aiMatrix4x4t& Inverse();
+    TReal Determinant() const;
+
+
+    // -------------------------------------------------------------------
+    /** @brief Returns true of the matrix is the identity matrix.
+     *  The check is performed against a not so small epsilon.
+     */
+    inline bool IsIdentity() const;
+
+    // -------------------------------------------------------------------
+    /** @brief Decompose a trafo matrix into its original components
+     *  @param scaling Receives the output scaling for the x,y,z axes
+     *  @param rotation Receives the output rotation as a hamilton
+     *   quaternion
+     *  @param position Receives the output position for the x,y,z axes
+     */
+    void Decompose (aiVector3t<TReal>& scaling, aiQuaterniont<TReal>& rotation,
+        aiVector3t<TReal>& position) const;
+
+	// -------------------------------------------------------------------
+	/** @fn void Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotation, aiVector3t<TReal>& pPosition) const
+     *  @brief Decompose a trafo matrix into its original components.
+     * Thx to good FAQ at http://www.gamedev.ru/code/articles/faq_matrix_quat
+     *  @param [out] pScaling - Receives the output scaling for the x,y,z axes.
+     *  @param [out] pRotation - Receives the output rotation as a Euler angles.
+     *  @param [out] pPosition - Receives the output position for the x,y,z axes.
+     */
+    void Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotation, aiVector3t<TReal>& pPosition) const;
+
+	// -------------------------------------------------------------------
+	/** @fn void Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotationAxis, TReal& pRotationAngle, aiVector3t<TReal>& pPosition) const
+     *  @brief Decompose a trafo matrix into its original components
+	 * Thx to good FAQ at http://www.gamedev.ru/code/articles/faq_matrix_quat
+     *  @param [out] pScaling - Receives the output scaling for the x,y,z axes.
+     *  @param [out] pRotationAxis - Receives the output rotation axis.
+	 *  @param [out] pRotationAngle - Receives the output rotation angle for @ref pRotationAxis.
+     *  @param [out] pPosition - Receives the output position for the x,y,z axes.
+     */
+    void Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotationAxis, TReal& pRotationAngle, aiVector3t<TReal>& pPosition) const;
+
+    // -------------------------------------------------------------------
+    /** @brief Decompose a trafo matrix with no scaling into its
+     *    original components
+     *  @param rotation Receives the output rotation as a hamilton
+     *    quaternion
+     *  @param position Receives the output position for the x,y,z axes
+     */
+    void DecomposeNoScaling (aiQuaterniont<TReal>& rotation,
+        aiVector3t<TReal>& position) const;
+
+
+    // -------------------------------------------------------------------
+    /** @brief Creates a trafo matrix from a set of euler angles
+     *  @param x Rotation angle for the x-axis, in radians
+     *  @param y Rotation angle for the y-axis, in radians
+     *  @param z Rotation angle for the z-axis, in radians
+     */
+    aiMatrix4x4t& FromEulerAnglesXYZ(TReal x, TReal y, TReal z);
+    aiMatrix4x4t& FromEulerAnglesXYZ(const aiVector3t<TReal>& blubb);
+
+public:
+    // -------------------------------------------------------------------
+    /** @brief Returns a rotation matrix for a rotation around the x axis
+     *  @param a Rotation angle, in radians
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& RotationX(TReal a, aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a rotation matrix for a rotation around the y axis
+     *  @param a Rotation angle, in radians
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& RotationY(TReal a, aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a rotation matrix for a rotation around the z axis
+     *  @param a Rotation angle, in radians
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& RotationZ(TReal a, aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** Returns a rotation matrix for a rotation around an arbitrary axis.
+     *  @param a Rotation angle, in radians
+     *  @param axis Rotation axis, should be a normalized vector.
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& Rotation(TReal a, const aiVector3t<TReal>& axis,
+            aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a translation matrix
+     *  @param v Translation vector
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& Translation( const aiVector3t<TReal>& v, 
+            aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief Returns a scaling matrix
+     *  @param v Scaling vector
+     *  @param out Receives the output matrix
+     *  @return Reference to the output matrix
+     */
+    static aiMatrix4x4t& Scaling( const aiVector3t<TReal>& v, aiMatrix4x4t& out);
+
+    // -------------------------------------------------------------------
+    /** @brief A function for creating a rotation matrix that rotates a
+     *  vector called "from" into another vector called "to".
+     * Input : from[3], to[3] which both must be *normalized* non-zero vectors
+     * Output: mtx[3][3] -- a 3x3 matrix in column-major form
+     * Authors: Tomas Mueller, John Hughes
+     *          "Efficiently Building a Matrix to Rotate One Vector to Another"
+     *          Journal of Graphics Tools, 4(4):1-4, 1999
+     */
+    static aiMatrix4x4t& FromToMatrix(const aiVector3t<TReal>& from,
+            const aiVector3t<TReal>& to, aiMatrix4x4t& out);
+
+public:
+    TReal a1, a2, a3, a4;
+    TReal b1, b2, b3, b4;
+    TReal c1, c2, c3, c4;
+    TReal d1, d2, d3, d4;
+};
+
+typedef aiMatrix4x4t<ai_real> aiMatrix4x4;
+
+#else
+
+struct aiMatrix4x4 {
+    ai_real a1, a2, a3, a4;
+    ai_real b1, b2, b3, b4;
+    ai_real c1, c2, c3, c4;
+    ai_real d1, d2, d3, d4;
+};
+
+
+#endif // __cplusplus
+
+#endif // AI_MATRIX4X4_H_INC
diff --git a/thirdparty/assimp/include/assimp/matrix4x4.inl b/thirdparty/assimp/include/assimp/matrix4x4.inl
new file mode 100644
index 0000000000..ebc67a06ec
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/matrix4x4.inl
@@ -0,0 +1,686 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file matrix4x4.inl
+ *  @brief Inline implementation of the 4x4 matrix operators
+ */
+#pragma once
+#ifndef AI_MATRIX4X4_INL_INC
+#define AI_MATRIX4X4_INL_INC
+
+#ifdef __cplusplus
+
+#include "matrix4x4.h"
+#include "matrix3x3.h"
+#include "quaternion.h"
+
+#include <algorithm>
+#include <limits>
+#include <cmath>
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+aiMatrix4x4t<TReal>::aiMatrix4x4t() AI_NO_EXCEPT :
+    a1(1.0f), a2(), a3(), a4(),
+    b1(), b2(1.0f), b3(), b4(),
+    c1(), c2(), c3(1.0f), c4(),
+    d1(), d2(), d3(), d4(1.0f)
+{
+
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+aiMatrix4x4t<TReal>::aiMatrix4x4t (TReal _a1, TReal _a2, TReal _a3, TReal _a4,
+              TReal _b1, TReal _b2, TReal _b3, TReal _b4,
+              TReal _c1, TReal _c2, TReal _c3, TReal _c4,
+              TReal _d1, TReal _d2, TReal _d3, TReal _d4) :
+    a1(_a1), a2(_a2), a3(_a3), a4(_a4),
+    b1(_b1), b2(_b2), b3(_b3), b4(_b4),
+    c1(_c1), c2(_c2), c3(_c3), c4(_c4),
+    d1(_d1), d2(_d2), d3(_d3), d4(_d4)
+{
+
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+template <typename TOther>
+aiMatrix4x4t<TReal>::operator aiMatrix4x4t<TOther> () const
+{
+    return aiMatrix4x4t<TOther>(static_cast<TOther>(a1),static_cast<TOther>(a2),static_cast<TOther>(a3),static_cast<TOther>(a4),
+        static_cast<TOther>(b1),static_cast<TOther>(b2),static_cast<TOther>(b3),static_cast<TOther>(b4),
+        static_cast<TOther>(c1),static_cast<TOther>(c2),static_cast<TOther>(c3),static_cast<TOther>(c4),
+        static_cast<TOther>(d1),static_cast<TOther>(d2),static_cast<TOther>(d3),static_cast<TOther>(d4));
+}
+
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>::aiMatrix4x4t (const aiMatrix3x3t<TReal>& m)
+{
+    a1 = m.a1; a2 = m.a2; a3 = m.a3; a4 = static_cast<TReal>(0.0);
+    b1 = m.b1; b2 = m.b2; b3 = m.b3; b4 = static_cast<TReal>(0.0);
+    c1 = m.c1; c2 = m.c2; c3 = m.c3; c4 = static_cast<TReal>(0.0);
+    d1 = static_cast<TReal>(0.0); d2 = static_cast<TReal>(0.0); d3 = static_cast<TReal>(0.0); d4 = static_cast<TReal>(1.0);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>::aiMatrix4x4t (const aiVector3t<TReal>& scaling, const aiQuaterniont<TReal>& rotation, const aiVector3t<TReal>& position)
+{
+    // build a 3x3 rotation matrix
+    aiMatrix3x3t<TReal> m = rotation.GetMatrix();
+
+    a1 = m.a1 * scaling.x;
+    a2 = m.a2 * scaling.x;
+    a3 = m.a3 * scaling.x;
+    a4 = position.x;
+
+    b1 = m.b1 * scaling.y;
+    b2 = m.b2 * scaling.y;
+    b3 = m.b3 * scaling.y;
+    b4 = position.y;
+
+    c1 = m.c1 * scaling.z;
+    c2 = m.c2 * scaling.z;
+    c3 = m.c3 * scaling.z;
+    c4= position.z;
+
+    d1 = static_cast<TReal>(0.0);
+    d2 = static_cast<TReal>(0.0);
+    d3 = static_cast<TReal>(0.0);
+    d4 = static_cast<TReal>(1.0);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::operator *= (const aiMatrix4x4t<TReal>& m)
+{
+    *this = aiMatrix4x4t<TReal>(
+        m.a1 * a1 + m.b1 * a2 + m.c1 * a3 + m.d1 * a4,
+        m.a2 * a1 + m.b2 * a2 + m.c2 * a3 + m.d2 * a4,
+        m.a3 * a1 + m.b3 * a2 + m.c3 * a3 + m.d3 * a4,
+        m.a4 * a1 + m.b4 * a2 + m.c4 * a3 + m.d4 * a4,
+        m.a1 * b1 + m.b1 * b2 + m.c1 * b3 + m.d1 * b4,
+        m.a2 * b1 + m.b2 * b2 + m.c2 * b3 + m.d2 * b4,
+        m.a3 * b1 + m.b3 * b2 + m.c3 * b3 + m.d3 * b4,
+        m.a4 * b1 + m.b4 * b2 + m.c4 * b3 + m.d4 * b4,
+        m.a1 * c1 + m.b1 * c2 + m.c1 * c3 + m.d1 * c4,
+        m.a2 * c1 + m.b2 * c2 + m.c2 * c3 + m.d2 * c4,
+        m.a3 * c1 + m.b3 * c2 + m.c3 * c3 + m.d3 * c4,
+        m.a4 * c1 + m.b4 * c2 + m.c4 * c3 + m.d4 * c4,
+        m.a1 * d1 + m.b1 * d2 + m.c1 * d3 + m.d1 * d4,
+        m.a2 * d1 + m.b2 * d2 + m.c2 * d3 + m.d2 * d4,
+        m.a3 * d1 + m.b3 * d2 + m.c3 * d3 + m.d3 * d4,
+        m.a4 * d1 + m.b4 * d2 + m.c4 * d3 + m.d4 * d4);
+    return *this;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal> aiMatrix4x4t<TReal>::operator* (const TReal& aFloat) const
+{
+    aiMatrix4x4t<TReal> temp(
+        a1 * aFloat,
+        a2 * aFloat,
+        a3 * aFloat,
+        a4 * aFloat,
+        b1 * aFloat,
+        b2 * aFloat,
+        b3 * aFloat,
+        b4 * aFloat,
+        c1 * aFloat,
+        c2 * aFloat,
+        c3 * aFloat,
+        c4 * aFloat,
+        d1 * aFloat,
+        d2 * aFloat,
+        d3 * aFloat,
+        d4 * aFloat);
+    return temp;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal> aiMatrix4x4t<TReal>::operator+ (const aiMatrix4x4t<TReal>& m) const
+{
+    aiMatrix4x4t<TReal> temp(
+        m.a1 + a1,
+        m.a2 + a2,
+        m.a3 + a3,
+        m.a4 + a4,
+        m.b1 + b1,
+        m.b2 + b2,
+        m.b3 + b3,
+        m.b4 + b4,
+        m.c1 + c1,
+        m.c2 + c2,
+        m.c3 + c3,
+        m.c4 + c4,
+        m.d1 + d1,
+        m.d2 + d2,
+        m.d3 + d3,
+        m.d4 + d4);
+    return temp;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal> aiMatrix4x4t<TReal>::operator* (const aiMatrix4x4t<TReal>& m) const
+{
+    aiMatrix4x4t<TReal> temp( *this);
+    temp *= m;
+    return temp;
+}
+
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::Transpose()
+{
+    // (TReal&) don't remove, GCC complains cause of packed fields
+    std::swap( (TReal&)b1, (TReal&)a2);
+    std::swap( (TReal&)c1, (TReal&)a3);
+    std::swap( (TReal&)c2, (TReal&)b3);
+    std::swap( (TReal&)d1, (TReal&)a4);
+    std::swap( (TReal&)d2, (TReal&)b4);
+    std::swap( (TReal&)d3, (TReal&)c4);
+    return *this;
+}
+
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline TReal aiMatrix4x4t<TReal>::Determinant() const
+{
+    return a1*b2*c3*d4 - a1*b2*c4*d3 + a1*b3*c4*d2 - a1*b3*c2*d4
+        + a1*b4*c2*d3 - a1*b4*c3*d2 - a2*b3*c4*d1 + a2*b3*c1*d4
+        - a2*b4*c1*d3 + a2*b4*c3*d1 - a2*b1*c3*d4 + a2*b1*c4*d3
+        + a3*b4*c1*d2 - a3*b4*c2*d1 + a3*b1*c2*d4 - a3*b1*c4*d2
+        + a3*b2*c4*d1 - a3*b2*c1*d4 - a4*b1*c2*d3 + a4*b1*c3*d2
+        - a4*b2*c3*d1 + a4*b2*c1*d3 - a4*b3*c1*d2 + a4*b3*c2*d1;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::Inverse()
+{
+    // Compute the reciprocal determinant
+    const TReal det = Determinant();
+    if(det == static_cast<TReal>(0.0))
+    {
+        // Matrix not invertible. Setting all elements to nan is not really
+        // correct in a mathematical sense but it is easy to debug for the
+        // programmer.
+        const TReal nan = std::numeric_limits<TReal>::quiet_NaN();
+        *this = aiMatrix4x4t<TReal>(
+            nan,nan,nan,nan,
+            nan,nan,nan,nan,
+            nan,nan,nan,nan,
+            nan,nan,nan,nan);
+
+        return *this;
+    }
+
+    const TReal invdet = static_cast<TReal>(1.0) / det;
+
+    aiMatrix4x4t<TReal> res;
+    res.a1 = invdet  * (b2 * (c3 * d4 - c4 * d3) + b3 * (c4 * d2 - c2 * d4) + b4 * (c2 * d3 - c3 * d2));
+    res.a2 = -invdet * (a2 * (c3 * d4 - c4 * d3) + a3 * (c4 * d2 - c2 * d4) + a4 * (c2 * d3 - c3 * d2));
+    res.a3 = invdet  * (a2 * (b3 * d4 - b4 * d3) + a3 * (b4 * d2 - b2 * d4) + a4 * (b2 * d3 - b3 * d2));
+    res.a4 = -invdet * (a2 * (b3 * c4 - b4 * c3) + a3 * (b4 * c2 - b2 * c4) + a4 * (b2 * c3 - b3 * c2));
+    res.b1 = -invdet * (b1 * (c3 * d4 - c4 * d3) + b3 * (c4 * d1 - c1 * d4) + b4 * (c1 * d3 - c3 * d1));
+    res.b2 = invdet  * (a1 * (c3 * d4 - c4 * d3) + a3 * (c4 * d1 - c1 * d4) + a4 * (c1 * d3 - c3 * d1));
+    res.b3 = -invdet * (a1 * (b3 * d4 - b4 * d3) + a3 * (b4 * d1 - b1 * d4) + a4 * (b1 * d3 - b3 * d1));
+    res.b4 = invdet  * (a1 * (b3 * c4 - b4 * c3) + a3 * (b4 * c1 - b1 * c4) + a4 * (b1 * c3 - b3 * c1));
+    res.c1 = invdet  * (b1 * (c2 * d4 - c4 * d2) + b2 * (c4 * d1 - c1 * d4) + b4 * (c1 * d2 - c2 * d1));
+    res.c2 = -invdet * (a1 * (c2 * d4 - c4 * d2) + a2 * (c4 * d1 - c1 * d4) + a4 * (c1 * d2 - c2 * d1));
+    res.c3 = invdet  * (a1 * (b2 * d4 - b4 * d2) + a2 * (b4 * d1 - b1 * d4) + a4 * (b1 * d2 - b2 * d1));
+    res.c4 = -invdet * (a1 * (b2 * c4 - b4 * c2) + a2 * (b4 * c1 - b1 * c4) + a4 * (b1 * c2 - b2 * c1));
+    res.d1 = -invdet * (b1 * (c2 * d3 - c3 * d2) + b2 * (c3 * d1 - c1 * d3) + b3 * (c1 * d2 - c2 * d1));
+    res.d2 = invdet  * (a1 * (c2 * d3 - c3 * d2) + a2 * (c3 * d1 - c1 * d3) + a3 * (c1 * d2 - c2 * d1));
+    res.d3 = -invdet * (a1 * (b2 * d3 - b3 * d2) + a2 * (b3 * d1 - b1 * d3) + a3 * (b1 * d2 - b2 * d1));
+    res.d4 = invdet  * (a1 * (b2 * c3 - b3 * c2) + a2 * (b3 * c1 - b1 * c3) + a3 * (b1 * c2 - b2 * c1));
+    *this = res;
+
+    return *this;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline TReal* aiMatrix4x4t<TReal>::operator[](unsigned int p_iIndex) {
+    if (p_iIndex > 3) {
+        return NULL;
+    }
+    switch ( p_iIndex ) {
+        case 0:
+            return &a1;
+        case 1:
+            return &b1;
+        case 2:
+            return &c1;
+        case 3:
+            return &d1;
+        default:
+            break;
+    }
+    return &a1;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline const TReal* aiMatrix4x4t<TReal>::operator[](unsigned int p_iIndex) const {
+    if (p_iIndex > 3) {
+        return NULL;
+    }
+
+    switch ( p_iIndex ) {
+        case 0:
+            return &a1;
+        case 1:
+            return &b1;
+        case 2:
+            return &c1;
+        case 3:
+            return &d1;
+        default:
+            break;
+    }
+    return &a1;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiMatrix4x4t<TReal>::operator== (const aiMatrix4x4t<TReal>& m) const
+{
+    return (a1 == m.a1 && a2 == m.a2 && a3 == m.a3 && a4 == m.a4 &&
+            b1 == m.b1 && b2 == m.b2 && b3 == m.b3 && b4 == m.b4 &&
+            c1 == m.c1 && c2 == m.c2 && c3 == m.c3 && c4 == m.c4 &&
+            d1 == m.d1 && d2 == m.d2 && d3 == m.d3 && d4 == m.d4);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiMatrix4x4t<TReal>::operator!= (const aiMatrix4x4t<TReal>& m) const
+{
+    return !(*this == m);
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline bool aiMatrix4x4t<TReal>::Equal(const aiMatrix4x4t<TReal>& m, TReal epsilon) const {
+    return
+        std::abs(a1 - m.a1) <= epsilon &&
+        std::abs(a2 - m.a2) <= epsilon &&
+        std::abs(a3 - m.a3) <= epsilon &&
+        std::abs(a4 - m.a4) <= epsilon &&
+        std::abs(b1 - m.b1) <= epsilon &&
+        std::abs(b2 - m.b2) <= epsilon &&
+        std::abs(b3 - m.b3) <= epsilon &&
+        std::abs(b4 - m.b4) <= epsilon &&
+        std::abs(c1 - m.c1) <= epsilon &&
+        std::abs(c2 - m.c2) <= epsilon &&
+        std::abs(c3 - m.c3) <= epsilon &&
+        std::abs(c4 - m.c4) <= epsilon &&
+        std::abs(d1 - m.d1) <= epsilon &&
+        std::abs(d2 - m.d2) <= epsilon &&
+        std::abs(d3 - m.d3) <= epsilon &&
+        std::abs(d4 - m.d4) <= epsilon;
+}
+
+// ----------------------------------------------------------------------------------------
+
+#define ASSIMP_MATRIX4_4_DECOMPOSE_PART		\
+	const aiMatrix4x4t<TReal>& _this = *this;/* Create alias for conveniance. */ \
+	\
+	/* extract translation */ \
+	pPosition.x = _this[0][3]; \
+	pPosition.y = _this[1][3]; \
+	pPosition.z = _this[2][3]; \
+	\
+	/* extract the columns of the matrix. */ \
+	aiVector3t<TReal> vCols[3] = { \
+		aiVector3t<TReal>(_this[0][0],_this[1][0],_this[2][0]), \
+		aiVector3t<TReal>(_this[0][1],_this[1][1],_this[2][1]), \
+		aiVector3t<TReal>(_this[0][2],_this[1][2],_this[2][2]) \
+	}; \
+	\
+	/* extract the scaling factors */ \
+	pScaling.x = vCols[0].Length(); \
+	pScaling.y = vCols[1].Length(); \
+	pScaling.z = vCols[2].Length(); \
+	\
+	/* and the sign of the scaling */ \
+	if (Determinant() < 0) pScaling = -pScaling; \
+	\
+	/* and remove all scaling from the matrix */ \
+	if(pScaling.x) vCols[0] /= pScaling.x; \
+	if(pScaling.y) vCols[1] /= pScaling.y; \
+	if(pScaling.z) vCols[2] /= pScaling.z; \
+	\
+	do {} while(false)
+
+
+
+
+template <typename TReal>
+inline void aiMatrix4x4t<TReal>::Decompose (aiVector3t<TReal>& pScaling, aiQuaterniont<TReal>& pRotation,
+    aiVector3t<TReal>& pPosition) const
+{
+	ASSIMP_MATRIX4_4_DECOMPOSE_PART;
+
+    // build a 3x3 rotation matrix
+    aiMatrix3x3t<TReal> m(vCols[0].x,vCols[1].x,vCols[2].x,
+        vCols[0].y,vCols[1].y,vCols[2].y,
+        vCols[0].z,vCols[1].z,vCols[2].z);
+
+    // and generate the rotation quaternion from it
+    pRotation = aiQuaterniont<TReal>(m);
+}
+
+template <typename TReal>
+inline void aiMatrix4x4t<TReal>::Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotation, aiVector3t<TReal>& pPosition) const
+{
+	ASSIMP_MATRIX4_4_DECOMPOSE_PART;
+
+    /*
+    assuming a right-handed coordinate system
+    and post-multiplication of column vectors,
+    the rotation matrix for an euler XYZ rotation is M = Rz * Ry * Rx.
+    combining gives:
+    
+        |  CE  BDE-AF  ADE+BF  0  |
+    M = |  CF  BDF+AE  ADF-BE  0  |
+        |  -D    CB      AC    0  |
+        |   0     0       0    1  |
+
+    where
+	A = cos(angle_x), B = sin(angle_x);
+	C = cos(angle_y), D = sin(angle_y);
+	E = cos(angle_z), F = sin(angle_z);
+	*/
+
+	// Use a small epsilon to solve floating-point inaccuracies
+    const TReal epsilon = 10e-3f;
+
+	pRotation.y  = std::asin(-vCols[0].z);// D. Angle around oY.
+
+	TReal C = std::cos(pRotation.y);
+
+	if(std::fabs(C) > epsilon)
+	{
+		// Finding angle around oX.
+		TReal tan_x = vCols[2].z / C;// A
+		TReal tan_y = vCols[1].z / C;// B
+
+		pRotation.x = std::atan2(tan_y, tan_x);
+		// Finding angle around oZ.
+		tan_x = vCols[0].x / C;// E
+		tan_y = vCols[0].y / C;// F
+		pRotation.z = std::atan2(tan_y, tan_x);
+	}
+	else
+	{// oY is fixed.
+		pRotation.x = 0;// Set angle around oX to 0. => A == 1, B == 0, C == 0, D == 1.
+
+		// And finding angle around oZ.
+		TReal tan_x =  vCols[1].y;// BDF+AE => E
+		TReal tan_y = -vCols[1].x;// BDE-AF => F
+
+		pRotation.z = std::atan2(tan_y, tan_x);
+	}
+}
+
+#undef ASSIMP_MATRIX4_4_DECOMPOSE_PART
+
+template <typename TReal>
+inline void aiMatrix4x4t<TReal>::Decompose(aiVector3t<TReal>& pScaling, aiVector3t<TReal>& pRotationAxis, TReal& pRotationAngle,
+											aiVector3t<TReal>& pPosition) const
+{
+aiQuaterniont<TReal> pRotation;
+
+	Decompose(pScaling, pRotation, pPosition);
+	pRotation.Normalize();
+
+	TReal angle_cos = pRotation.w;
+	TReal angle_sin = std::sqrt(1.0f - angle_cos * angle_cos);
+
+	pRotationAngle = std::acos(angle_cos) * 2;
+
+	// Use a small epsilon to solve floating-point inaccuracies
+    const TReal epsilon = 10e-3f;
+
+	if(std::fabs(angle_sin) < epsilon) angle_sin = 1;
+
+	pRotationAxis.x = pRotation.x / angle_sin;
+	pRotationAxis.y = pRotation.y / angle_sin;
+	pRotationAxis.z = pRotation.z / angle_sin;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline void aiMatrix4x4t<TReal>::DecomposeNoScaling (aiQuaterniont<TReal>& rotation,
+    aiVector3t<TReal>& position) const
+{
+    const aiMatrix4x4t<TReal>& _this = *this;
+
+    // extract translation
+    position.x = _this[0][3];
+    position.y = _this[1][3];
+    position.z = _this[2][3];
+
+    // extract rotation
+    rotation = aiQuaterniont<TReal>((aiMatrix3x3t<TReal>)_this);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::FromEulerAnglesXYZ(const aiVector3t<TReal>& blubb)
+{
+    return FromEulerAnglesXYZ(blubb.x,blubb.y,blubb.z);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::FromEulerAnglesXYZ(TReal x, TReal y, TReal z)
+{
+    aiMatrix4x4t<TReal>& _this = *this;
+
+    TReal cx = std::cos(x);
+    TReal sx = std::sin(x);
+    TReal cy = std::cos(y);
+    TReal sy = std::sin(y);
+    TReal cz = std::cos(z);
+    TReal sz = std::sin(z);
+
+    // mz*my*mx
+    _this.a1 = cz * cy;
+    _this.a2 = cz * sy * sx - sz * cx;
+    _this.a3 = sz * sx + cz * sy * cx;
+
+    _this.b1 = sz * cy;
+    _this.b2 = cz * cx + sz * sy * sx;
+    _this.b3 = sz * sy * cx - cz * sx;
+
+    _this.c1 = -sy;
+    _this.c2 = cy * sx;
+    _this.c3 = cy * cx;
+
+    return *this;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline bool aiMatrix4x4t<TReal>::IsIdentity() const
+{
+    // Use a small epsilon to solve floating-point inaccuracies
+    const static TReal epsilon = 10e-3f;
+
+    return (a2 <= epsilon && a2 >= -epsilon &&
+            a3 <= epsilon && a3 >= -epsilon &&
+            a4 <= epsilon && a4 >= -epsilon &&
+            b1 <= epsilon && b1 >= -epsilon &&
+            b3 <= epsilon && b3 >= -epsilon &&
+            b4 <= epsilon && b4 >= -epsilon &&
+            c1 <= epsilon && c1 >= -epsilon &&
+            c2 <= epsilon && c2 >= -epsilon &&
+            c4 <= epsilon && c4 >= -epsilon &&
+            d1 <= epsilon && d1 >= -epsilon &&
+            d2 <= epsilon && d2 >= -epsilon &&
+            d3 <= epsilon && d3 >= -epsilon &&
+            a1 <= 1.f+epsilon && a1 >= 1.f-epsilon &&
+            b2 <= 1.f+epsilon && b2 >= 1.f-epsilon &&
+            c3 <= 1.f+epsilon && c3 >= 1.f-epsilon &&
+            d4 <= 1.f+epsilon && d4 >= 1.f-epsilon);
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::RotationX(TReal a, aiMatrix4x4t<TReal>& out)
+{
+    /*
+         |  1  0       0       0 |
+     M = |  0  cos(A) -sin(A)  0 |
+         |  0  sin(A)  cos(A)  0 |
+         |  0  0       0       1 |  */
+    out = aiMatrix4x4t<TReal>();
+    out.b2 = out.c3 = std::cos(a);
+    out.b3 = -(out.c2 = std::sin(a));
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::RotationY(TReal a, aiMatrix4x4t<TReal>& out)
+{
+    /*
+         |  cos(A)  0   sin(A)  0 |
+     M = |  0       1   0       0 |
+         | -sin(A)  0   cos(A)  0 |
+         |  0       0   0       1 |
+        */
+    out = aiMatrix4x4t<TReal>();
+    out.a1 = out.c3 = std::cos(a);
+    out.c1 = -(out.a3 = std::sin(a));
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::RotationZ(TReal a, aiMatrix4x4t<TReal>& out)
+{
+    /*
+         |  cos(A)  -sin(A)   0   0 |
+     M = |  sin(A)   cos(A)   0   0 |
+         |  0        0        1   0 |
+         |  0        0        0   1 |   */
+    out = aiMatrix4x4t<TReal>();
+    out.a1 = out.b2 = std::cos(a);
+    out.a2 = -(out.b1 = std::sin(a));
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+// Returns a rotation matrix for a rotation around an arbitrary axis.
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::Rotation( TReal a, const aiVector3t<TReal>& axis, aiMatrix4x4t<TReal>& out)
+{
+  TReal c = std::cos( a), s = std::sin( a), t = 1 - c;
+  TReal x = axis.x, y = axis.y, z = axis.z;
+
+  // Many thanks to MathWorld and Wikipedia
+  out.a1 = t*x*x + c;   out.a2 = t*x*y - s*z; out.a3 = t*x*z + s*y;
+  out.b1 = t*x*y + s*z; out.b2 = t*y*y + c;   out.b3 = t*y*z - s*x;
+  out.c1 = t*x*z - s*y; out.c2 = t*y*z + s*x; out.c3 = t*z*z + c;
+  out.a4 = out.b4 = out.c4 = static_cast<TReal>(0.0);
+  out.d1 = out.d2 = out.d3 = static_cast<TReal>(0.0);
+  out.d4 = static_cast<TReal>(1.0);
+
+  return out;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::Translation( const aiVector3t<TReal>& v, aiMatrix4x4t<TReal>& out)
+{
+    out = aiMatrix4x4t<TReal>();
+    out.a4 = v.x;
+    out.b4 = v.y;
+    out.c4 = v.z;
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::Scaling( const aiVector3t<TReal>& v, aiMatrix4x4t<TReal>& out)
+{
+    out = aiMatrix4x4t<TReal>();
+    out.a1 = v.x;
+    out.b2 = v.y;
+    out.c3 = v.z;
+    return out;
+}
+
+// ----------------------------------------------------------------------------------------
+/** A function for creating a rotation matrix that rotates a vector called
+ * "from" into another vector called "to".
+ * Input : from[3], to[3] which both must be *normalized* non-zero vectors
+ * Output: mtx[3][3] -- a 3x3 matrix in colum-major form
+ * Authors: Tomas Möller, John Hughes
+ *          "Efficiently Building a Matrix to Rotate One Vector to Another"
+ *          Journal of Graphics Tools, 4(4):1-4, 1999
+ */
+// ----------------------------------------------------------------------------------------
+template <typename TReal>
+inline aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::FromToMatrix(const aiVector3t<TReal>& from,
+    const aiVector3t<TReal>& to, aiMatrix4x4t<TReal>& mtx)
+{
+    aiMatrix3x3t<TReal> m3;
+    aiMatrix3x3t<TReal>::FromToMatrix(from,to,m3);
+    mtx = aiMatrix4x4t<TReal>(m3);
+    return mtx;
+}
+
+#endif // __cplusplus
+#endif // AI_MATRIX4X4_INL_INC
diff --git a/thirdparty/assimp/include/assimp/mesh.h b/thirdparty/assimp/include/assimp/mesh.h
new file mode 100644
index 0000000000..36f3ed2afd
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/mesh.h
@@ -0,0 +1,852 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file mesh.h
+ *  @brief Declares the data structures in which the imported geometry is
+    returned by ASSIMP: aiMesh, aiFace and aiBone data structures.
+ */
+#pragma once
+#ifndef AI_MESH_H_INC
+#define AI_MESH_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+// Limits. These values are required to match the settings Assimp was
+// compiled against. Therefore, do not redefine them unless you build the
+// library from source using the same definitions.
+// ---------------------------------------------------------------------------
+
+/** @def AI_MAX_FACE_INDICES
+ *  Maximum number of indices per face (polygon). */
+
+#ifndef AI_MAX_FACE_INDICES
+#   define AI_MAX_FACE_INDICES 0x7fff
+#endif
+
+/** @def AI_MAX_BONE_WEIGHTS
+ *  Maximum number of indices per face (polygon). */
+
+#ifndef AI_MAX_BONE_WEIGHTS
+#   define AI_MAX_BONE_WEIGHTS 0x7fffffff
+#endif
+
+/** @def AI_MAX_VERTICES
+ *  Maximum number of vertices per mesh.  */
+
+#ifndef AI_MAX_VERTICES
+#   define AI_MAX_VERTICES 0x7fffffff
+#endif
+
+/** @def AI_MAX_FACES
+ *  Maximum number of faces per mesh. */
+
+#ifndef AI_MAX_FACES
+#   define AI_MAX_FACES 0x7fffffff
+#endif
+
+/** @def AI_MAX_NUMBER_OF_COLOR_SETS
+ *  Supported number of vertex color sets per mesh. */
+
+#ifndef AI_MAX_NUMBER_OF_COLOR_SETS
+#   define AI_MAX_NUMBER_OF_COLOR_SETS 0x8
+#endif // !! AI_MAX_NUMBER_OF_COLOR_SETS
+
+/** @def AI_MAX_NUMBER_OF_TEXTURECOORDS
+ *  Supported number of texture coord sets (UV(W) channels) per mesh */
+
+#ifndef AI_MAX_NUMBER_OF_TEXTURECOORDS
+#   define AI_MAX_NUMBER_OF_TEXTURECOORDS 0x8
+#endif // !! AI_MAX_NUMBER_OF_TEXTURECOORDS
+
+// ---------------------------------------------------------------------------
+/** @brief A single face in a mesh, referring to multiple vertices.
+ *
+ * If mNumIndices is 3, we call the face 'triangle', for mNumIndices > 3
+ * it's called 'polygon' (hey, that's just a definition!).
+ * <br>
+ * aiMesh::mPrimitiveTypes can be queried to quickly examine which types of
+ * primitive are actually present in a mesh. The #aiProcess_SortByPType flag
+ * executes a special post-processing algorithm which splits meshes with
+ * *different* primitive types mixed up (e.g. lines and triangles) in several
+ * 'clean' submeshes. Furthermore there is a configuration option (
+ * #AI_CONFIG_PP_SBP_REMOVE) to force #aiProcess_SortByPType to remove
+ * specific kinds of primitives from the imported scene, completely and forever.
+ * In many cases you'll probably want to set this setting to
+ * @code
+ * aiPrimitiveType_LINE|aiPrimitiveType_POINT
+ * @endcode
+ * Together with the #aiProcess_Triangulate flag you can then be sure that
+ * #aiFace::mNumIndices is always 3.
+ * @note Take a look at the @link data Data Structures page @endlink for
+ * more information on the layout and winding order of a face.
+ */
+struct aiFace
+{
+    //! Number of indices defining this face.
+    //! The maximum value for this member is #AI_MAX_FACE_INDICES.
+    unsigned int mNumIndices;
+
+    //! Pointer to the indices array. Size of the array is given in numIndices.
+    unsigned int* mIndices;
+
+#ifdef __cplusplus
+
+    //! Default constructor
+    aiFace() AI_NO_EXCEPT
+    : mNumIndices( 0 )
+    , mIndices( nullptr ) {
+        // empty
+    }
+
+    //! Default destructor. Delete the index array
+    ~aiFace()
+    {
+        delete [] mIndices;
+    }
+
+    //! Copy constructor. Copy the index array
+    aiFace( const aiFace& o)
+    : mNumIndices(0)
+    , mIndices( nullptr ) {
+        *this = o;
+    }
+
+    //! Assignment operator. Copy the index array
+    aiFace& operator = ( const aiFace& o) {
+        if (&o == this) {
+            return *this;
+        }
+
+        delete[] mIndices;
+        mNumIndices = o.mNumIndices;
+        if (mNumIndices) {
+            mIndices = new unsigned int[mNumIndices];
+            ::memcpy( mIndices, o.mIndices, mNumIndices * sizeof( unsigned int));
+        } else {
+            mIndices = nullptr;
+        }
+
+        return *this;
+    }
+
+    //! Comparison operator. Checks whether the index array
+    //! of two faces is identical
+    bool operator== (const aiFace& o) const {
+        if (mIndices == o.mIndices) {
+            return true;
+        }
+
+        if (nullptr != mIndices && mNumIndices != o.mNumIndices) {
+            return false;
+        }
+
+        if (nullptr == mIndices) {
+            return false;
+        }
+
+        for (unsigned int i = 0; i < this->mNumIndices; ++i) {
+            if (mIndices[i] != o.mIndices[i]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    //! Inverse comparison operator. Checks whether the index
+    //! array of two faces is NOT identical
+    bool operator != (const aiFace& o) const {
+        return !(*this == o);
+    }
+#endif // __cplusplus
+}; // struct aiFace
+
+
+// ---------------------------------------------------------------------------
+/** @brief A single influence of a bone on a vertex.
+ */
+struct aiVertexWeight {
+    //! Index of the vertex which is influenced by the bone.
+    unsigned int mVertexId;
+
+    //! The strength of the influence in the range (0...1).
+    //! The influence from all bones at one vertex amounts to 1.
+    float mWeight;
+
+#ifdef __cplusplus
+
+    //! Default constructor
+    aiVertexWeight() AI_NO_EXCEPT
+    : mVertexId(0)
+    , mWeight(0.0f) {
+        // empty
+    }
+
+    //! Initialization from a given index and vertex weight factor
+    //! \param pID ID
+    //! \param pWeight Vertex weight factor
+    aiVertexWeight( unsigned int pID, float pWeight )
+    : mVertexId( pID )
+    , mWeight( pWeight ) {
+        // empty
+    }
+
+    bool operator == ( const aiVertexWeight &rhs ) const {
+        return ( mVertexId == rhs.mVertexId && mWeight == rhs.mWeight );
+    }
+
+    bool operator != ( const aiVertexWeight &rhs ) const {
+        return ( *this == rhs );
+    }
+
+#endif // __cplusplus
+};
+
+
+// ---------------------------------------------------------------------------
+/** @brief A single bone of a mesh.
+ *
+ *  A bone has a name by which it can be found in the frame hierarchy and by
+ *  which it can be addressed by animations. In addition it has a number of
+ *  influences on vertices, and a matrix relating the mesh position to the
+ *  position of the bone at the time of binding.
+ */
+struct aiBone {
+    //! The name of the bone.
+    C_STRUCT aiString mName;
+
+    //! The number of vertices affected by this bone.
+    //! The maximum value for this member is #AI_MAX_BONE_WEIGHTS.
+    unsigned int mNumWeights;
+
+    //! The influence weights of this bone, by vertex index.
+    C_STRUCT aiVertexWeight* mWeights;
+
+    /** Matrix that transforms from bone space to mesh space in bind pose.
+     *
+     * This matrix describes the position of the mesh
+     * in the local space of this bone when the skeleton was bound.
+     * Thus it can be used directly to determine a desired vertex position,
+     * given the world-space transform of the bone when animated,
+     * and the position of the vertex in mesh space.
+     *
+     * It is sometimes called an inverse-bind matrix,
+     * or inverse bind pose matrix.
+     */
+    C_STRUCT aiMatrix4x4 mOffsetMatrix;
+
+#ifdef __cplusplus
+
+    //! Default constructor
+    aiBone() AI_NO_EXCEPT
+    : mName()
+    , mNumWeights( 0 )
+    , mWeights( nullptr )
+    , mOffsetMatrix() {
+        // empty
+    }
+
+    //! Copy constructor
+    aiBone(const aiBone& other)
+    : mName( other.mName )
+    , mNumWeights( other.mNumWeights )
+    , mWeights(nullptr)
+    , mOffsetMatrix( other.mOffsetMatrix ) {
+        if (other.mWeights && other.mNumWeights) {
+            mWeights = new aiVertexWeight[mNumWeights];
+            ::memcpy(mWeights,other.mWeights,mNumWeights * sizeof(aiVertexWeight));
+        }
+    }
+
+
+    //! Assignment operator
+    aiBone &operator=(const aiBone& other) {
+        if (this == &other) {
+            return *this;
+        }
+
+        mName         = other.mName;
+        mNumWeights   = other.mNumWeights;
+        mOffsetMatrix = other.mOffsetMatrix;
+
+        if (other.mWeights && other.mNumWeights)
+        {
+            if (mWeights) {
+                delete[] mWeights;
+            }
+
+            mWeights = new aiVertexWeight[mNumWeights];
+            ::memcpy(mWeights,other.mWeights,mNumWeights * sizeof(aiVertexWeight));
+        }
+
+        return *this;
+    }
+
+    bool operator == ( const aiBone &rhs ) const {
+        if ( mName != rhs.mName || mNumWeights != rhs.mNumWeights ) {
+            return false;
+        }
+
+        for ( size_t i = 0; i < mNumWeights; ++i ) {
+            if ( mWeights[ i ] != rhs.mWeights[ i ] ) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+    //! Destructor - deletes the array of vertex weights
+    ~aiBone() {
+        delete [] mWeights;
+    }
+#endif // __cplusplus
+};
+
+
+// ---------------------------------------------------------------------------
+/** @brief Enumerates the types of geometric primitives supported by Assimp.
+ *
+ *  @see aiFace Face data structure
+ *  @see aiProcess_SortByPType Per-primitive sorting of meshes
+ *  @see aiProcess_Triangulate Automatic triangulation
+ *  @see AI_CONFIG_PP_SBP_REMOVE Removal of specific primitive types.
+ */
+enum aiPrimitiveType
+{
+    /** A point primitive.
+     *
+     * This is just a single vertex in the virtual world,
+     * #aiFace contains just one index for such a primitive.
+     */
+    aiPrimitiveType_POINT       = 0x1,
+
+    /** A line primitive.
+     *
+     * This is a line defined through a start and an end position.
+     * #aiFace contains exactly two indices for such a primitive.
+     */
+    aiPrimitiveType_LINE        = 0x2,
+
+    /** A triangular primitive.
+     *
+     * A triangle consists of three indices.
+     */
+    aiPrimitiveType_TRIANGLE    = 0x4,
+
+    /** A higher-level polygon with more than 3 edges.
+     *
+     * A triangle is a polygon, but polygon in this context means
+     * "all polygons that are not triangles". The "Triangulate"-Step
+     * is provided for your convenience, it splits all polygons in
+     * triangles (which are much easier to handle).
+     */
+    aiPrimitiveType_POLYGON     = 0x8,
+
+
+    /** This value is not used. It is just here to force the
+     *  compiler to map this enum to a 32 Bit integer.
+     */
+#ifndef SWIG
+    _aiPrimitiveType_Force32Bit = INT_MAX
+#endif
+}; //! enum aiPrimitiveType
+
+// Get the #aiPrimitiveType flag for a specific number of face indices
+#define AI_PRIMITIVE_TYPE_FOR_N_INDICES(n) \
+    ((n) > 3 ? aiPrimitiveType_POLYGON : (aiPrimitiveType)(1u << ((n)-1)))
+
+
+
+// ---------------------------------------------------------------------------
+/** @brief An AnimMesh is an attachment to an #aiMesh stores per-vertex
+ *  animations for a particular frame.
+ *
+ *  You may think of an #aiAnimMesh as a `patch` for the host mesh, which
+ *  replaces only certain vertex data streams at a particular time.
+ *  Each mesh stores n attached attached meshes (#aiMesh::mAnimMeshes).
+ *  The actual relationship between the time line and anim meshes is
+ *  established by #aiMeshAnim, which references singular mesh attachments
+ *  by their ID and binds them to a time offset.
+*/
+struct aiAnimMesh
+{
+    /**Anim Mesh name */
+    C_STRUCT aiString mName;
+
+    /** Replacement for aiMesh::mVertices. If this array is non-NULL,
+     *  it *must* contain mNumVertices entries. The corresponding
+     *  array in the host mesh must be non-NULL as well - animation
+     *  meshes may neither add or nor remove vertex components (if
+     *  a replacement array is NULL and the corresponding source
+     *  array is not, the source data is taken instead)*/
+    C_STRUCT aiVector3D* mVertices;
+
+    /** Replacement for aiMesh::mNormals.  */
+    C_STRUCT aiVector3D* mNormals;
+
+    /** Replacement for aiMesh::mTangents. */
+    C_STRUCT aiVector3D* mTangents;
+
+    /** Replacement for aiMesh::mBitangents. */
+    C_STRUCT aiVector3D* mBitangents;
+
+    /** Replacement for aiMesh::mColors */
+    C_STRUCT aiColor4D* mColors[AI_MAX_NUMBER_OF_COLOR_SETS];
+
+    /** Replacement for aiMesh::mTextureCoords */
+    C_STRUCT aiVector3D* mTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+
+    /** The number of vertices in the aiAnimMesh, and thus the length of all
+     * the member arrays.
+     *
+     * This has always the same value as the mNumVertices property in the
+     * corresponding aiMesh. It is duplicated here merely to make the length
+     * of the member arrays accessible even if the aiMesh is not known, e.g.
+     * from language bindings.
+     */
+    unsigned int mNumVertices;
+    
+    /** 
+     * Weight of the AnimMesh. 
+     */
+    float mWeight;
+
+#ifdef __cplusplus
+
+    aiAnimMesh() AI_NO_EXCEPT
+        : mVertices( nullptr )
+        , mNormals(nullptr)
+        , mTangents(nullptr)
+        , mBitangents(nullptr)
+        , mColors()
+        , mTextureCoords()
+        , mNumVertices( 0 )
+        , mWeight( 0.0f )
+    {
+        // fixme consider moving this to the ctor initializer list as well
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; a++){
+            mTextureCoords[a] = nullptr;
+        }
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; a++) {
+            mColors[a] = nullptr;
+        }
+    }
+
+    ~aiAnimMesh()
+    {
+        delete [] mVertices;
+        delete [] mNormals;
+        delete [] mTangents;
+        delete [] mBitangents;
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; a++) {
+            delete [] mTextureCoords[a];
+        }
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; a++) {
+            delete [] mColors[a];
+        }
+    }
+
+    /** Check whether the anim mesh overrides the vertex positions
+     *  of its host mesh*/
+    bool HasPositions() const {
+        return mVertices != nullptr;
+    }
+
+    /** Check whether the anim mesh overrides the vertex normals
+     *  of its host mesh*/
+    bool HasNormals() const {
+        return mNormals != nullptr;
+    }
+
+    /** Check whether the anim mesh overrides the vertex tangents
+     *  and bitangents of its host mesh. As for aiMesh,
+     *  tangents and bitangents always go together. */
+    bool HasTangentsAndBitangents() const {
+        return mTangents != nullptr;
+    }
+
+    /** Check whether the anim mesh overrides a particular
+     * set of vertex colors on his host mesh.
+     *  @param pIndex 0<index<AI_MAX_NUMBER_OF_COLOR_SETS */
+    bool HasVertexColors( unsigned int pIndex) const    {
+        return pIndex >= AI_MAX_NUMBER_OF_COLOR_SETS ? false : mColors[pIndex] != nullptr;
+    }
+
+    /** Check whether the anim mesh overrides a particular
+     * set of texture coordinates on his host mesh.
+     *  @param pIndex 0<index<AI_MAX_NUMBER_OF_TEXTURECOORDS */
+    bool HasTextureCoords( unsigned int pIndex) const   {
+        return pIndex >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? false : mTextureCoords[pIndex] != nullptr;
+    }
+
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** @brief Enumerates the methods of mesh morphing supported by Assimp.
+ */
+enum aiMorphingMethod
+{
+    /** Interpolation between morph targets */
+    aiMorphingMethod_VERTEX_BLEND       = 0x1,
+
+    /** Normalized morphing between morph targets  */
+    aiMorphingMethod_MORPH_NORMALIZED   = 0x2,
+
+    /** Relative morphing between morph targets  */
+    aiMorphingMethod_MORPH_RELATIVE     = 0x3,
+
+    /** This value is not used. It is just here to force the
+     *  compiler to map this enum to a 32 Bit integer.
+     */
+#ifndef SWIG
+    _aiMorphingMethod_Force32Bit = INT_MAX
+#endif
+}; //! enum aiMorphingMethod
+
+// ---------------------------------------------------------------------------
+/** @brief A mesh represents a geometry or model with a single material.
+*
+* It usually consists of a number of vertices and a series of primitives/faces
+* referencing the vertices. In addition there might be a series of bones, each
+* of them addressing a number of vertices with a certain weight. Vertex data
+* is presented in channels with each channel containing a single per-vertex
+* information such as a set of texture coords or a normal vector.
+* If a data pointer is non-null, the corresponding data stream is present.
+* From C++-programs you can also use the comfort functions Has*() to
+* test for the presence of various data streams.
+*
+* A Mesh uses only a single material which is referenced by a material ID.
+* @note The mPositions member is usually not optional. However, vertex positions
+* *could* be missing if the #AI_SCENE_FLAGS_INCOMPLETE flag is set in
+* @code
+* aiScene::mFlags
+* @endcode
+*/
+struct aiMesh
+{
+    /** Bitwise combination of the members of the #aiPrimitiveType enum.
+     * This specifies which types of primitives are present in the mesh.
+     * The "SortByPrimitiveType"-Step can be used to make sure the
+     * output meshes consist of one primitive type each.
+     */
+    unsigned int mPrimitiveTypes;
+
+    /** The number of vertices in this mesh.
+    * This is also the size of all of the per-vertex data arrays.
+    * The maximum value for this member is #AI_MAX_VERTICES.
+    */
+    unsigned int mNumVertices;
+
+    /** The number of primitives (triangles, polygons, lines) in this  mesh.
+    * This is also the size of the mFaces array.
+    * The maximum value for this member is #AI_MAX_FACES.
+    */
+    unsigned int mNumFaces;
+
+    /** Vertex positions.
+    * This array is always present in a mesh. The array is
+    * mNumVertices in size.
+    */
+    C_STRUCT aiVector3D* mVertices;
+
+    /** Vertex normals.
+    * The array contains normalized vectors, NULL if not present.
+    * The array is mNumVertices in size. Normals are undefined for
+    * point and line primitives. A mesh consisting of points and
+    * lines only may not have normal vectors. Meshes with mixed
+    * primitive types (i.e. lines and triangles) may have normals,
+    * but the normals for vertices that are only referenced by
+    * point or line primitives are undefined and set to QNaN (WARN:
+    * qNaN compares to inequal to *everything*, even to qNaN itself.
+    * Using code like this to check whether a field is qnan is:
+    * @code
+    * #define IS_QNAN(f) (f != f)
+    * @endcode
+    * still dangerous because even 1.f == 1.f could evaluate to false! (
+    * remember the subtleties of IEEE754 artithmetics). Use stuff like
+    * @c fpclassify instead.
+    * @note Normal vectors computed by Assimp are always unit-length.
+    * However, this needn't apply for normals that have been taken
+    *   directly from the model file.
+    */
+    C_STRUCT aiVector3D* mNormals;
+
+    /** Vertex tangents.
+    * The tangent of a vertex points in the direction of the positive
+    * X texture axis. The array contains normalized vectors, NULL if
+    * not present. The array is mNumVertices in size. A mesh consisting
+    * of points and lines only may not have normal vectors. Meshes with
+    * mixed primitive types (i.e. lines and triangles) may have
+    * normals, but the normals for vertices that are only referenced by
+    * point or line primitives are undefined and set to qNaN.  See
+    * the #mNormals member for a detailed discussion of qNaNs.
+    * @note If the mesh contains tangents, it automatically also
+    * contains bitangents.
+    */
+    C_STRUCT aiVector3D* mTangents;
+
+    /** Vertex bitangents.
+    * The bitangent of a vertex points in the direction of the positive
+    * Y texture axis. The array contains normalized vectors, NULL if not
+    * present. The array is mNumVertices in size.
+    * @note If the mesh contains tangents, it automatically also contains
+    * bitangents.
+    */
+    C_STRUCT aiVector3D* mBitangents;
+
+    /** Vertex color sets.
+    * A mesh may contain 0 to #AI_MAX_NUMBER_OF_COLOR_SETS vertex
+    * colors per vertex. NULL if not present. Each array is
+    * mNumVertices in size if present.
+    */
+    C_STRUCT aiColor4D* mColors[AI_MAX_NUMBER_OF_COLOR_SETS];
+
+    /** Vertex texture coords, also known as UV channels.
+    * A mesh may contain 0 to AI_MAX_NUMBER_OF_TEXTURECOORDS per
+    * vertex. NULL if not present. The array is mNumVertices in size.
+    */
+    C_STRUCT aiVector3D* mTextureCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+
+    /** Specifies the number of components for a given UV channel.
+    * Up to three channels are supported (UVW, for accessing volume
+    * or cube maps). If the value is 2 for a given channel n, the
+    * component p.z of mTextureCoords[n][p] is set to 0.0f.
+    * If the value is 1 for a given channel, p.y is set to 0.0f, too.
+    * @note 4D coords are not supported
+    */
+    unsigned int mNumUVComponents[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+
+    /** The faces the mesh is constructed from.
+    * Each face refers to a number of vertices by their indices.
+    * This array is always present in a mesh, its size is given
+    * in mNumFaces. If the #AI_SCENE_FLAGS_NON_VERBOSE_FORMAT
+    * is NOT set each face references an unique set of vertices.
+    */
+    C_STRUCT aiFace* mFaces;
+
+    /** The number of bones this mesh contains.
+    * Can be 0, in which case the mBones array is NULL.
+    */
+    unsigned int mNumBones;
+
+    /** The bones of this mesh.
+    * A bone consists of a name by which it can be found in the
+    * frame hierarchy and a set of vertex weights.
+    */
+    C_STRUCT aiBone** mBones;
+
+    /** The material used by this mesh.
+     * A mesh uses only a single material. If an imported model uses
+     * multiple materials, the import splits up the mesh. Use this value
+     * as index into the scene's material list.
+     */
+    unsigned int mMaterialIndex;
+
+    /** Name of the mesh. Meshes can be named, but this is not a
+     *  requirement and leaving this field empty is totally fine.
+     *  There are mainly three uses for mesh names:
+     *   - some formats name nodes and meshes independently.
+     *   - importers tend to split meshes up to meet the
+     *      one-material-per-mesh requirement. Assigning
+     *      the same (dummy) name to each of the result meshes
+     *      aids the caller at recovering the original mesh
+     *      partitioning.
+     *   - Vertex animations refer to meshes by their names.
+     **/
+    C_STRUCT aiString mName;
+
+
+    /** The number of attachment meshes. Note! Currently only works with Collada loader. */
+    unsigned int mNumAnimMeshes;
+
+    /** Attachment meshes for this mesh, for vertex-based animation.
+     *  Attachment meshes carry replacement data for some of the
+     *  mesh'es vertex components (usually positions, normals).
+     *  Note! Currently only works with Collada loader.*/
+    C_STRUCT aiAnimMesh** mAnimMeshes;
+
+    /** 
+     *  Method of morphing when animeshes are specified. 
+     */
+    unsigned int mMethod;
+	
+#ifdef __cplusplus
+
+    //! Default constructor. Initializes all members to 0
+    aiMesh() AI_NO_EXCEPT
+    : mPrimitiveTypes( 0 )
+    , mNumVertices( 0 )
+    , mNumFaces( 0 )
+    , mVertices( nullptr )
+    , mNormals(nullptr)
+    , mTangents(nullptr)
+    , mBitangents(nullptr)
+    , mColors()
+    , mTextureCoords()
+    , mNumUVComponents()
+    , mFaces(nullptr)
+    , mNumBones( 0 )
+    , mBones(nullptr)
+    , mMaterialIndex( 0 )
+    , mNumAnimMeshes( 0 )
+    , mAnimMeshes(nullptr)
+    , mMethod( 0 ) {
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a ) {
+            mNumUVComponents[a] = 0;
+            mTextureCoords[a] = nullptr;
+        }
+
+        for (unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; ++a) {
+            mColors[a] = nullptr;
+        }
+    }
+
+    //! Deletes all storage allocated for the mesh
+    ~aiMesh() {
+        delete [] mVertices;
+        delete [] mNormals;
+        delete [] mTangents;
+        delete [] mBitangents;
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; a++) {
+            delete [] mTextureCoords[a];
+        }
+        for( unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; a++) {
+            delete [] mColors[a];
+        }
+
+        // DO NOT REMOVE THIS ADDITIONAL CHECK
+        if (mNumBones && mBones)    {
+            for( unsigned int a = 0; a < mNumBones; a++) {
+                delete mBones[a];
+            }
+            delete [] mBones;
+        }
+
+        if (mNumAnimMeshes && mAnimMeshes)  {
+            for( unsigned int a = 0; a < mNumAnimMeshes; a++) {
+                delete mAnimMeshes[a];
+            }
+            delete [] mAnimMeshes;
+        }
+
+        delete [] mFaces;
+    }
+
+    //! Check whether the mesh contains positions. Provided no special
+    //! scene flags are set, this will always be true
+    bool HasPositions() const
+        { return mVertices != nullptr && mNumVertices > 0; }
+
+    //! Check whether the mesh contains faces. If no special scene flags
+    //! are set this should always return true
+    bool HasFaces() const
+        { return mFaces != nullptr && mNumFaces > 0; }
+
+    //! Check whether the mesh contains normal vectors
+    bool HasNormals() const
+        { return mNormals != nullptr && mNumVertices > 0; }
+
+    //! Check whether the mesh contains tangent and bitangent vectors
+    //! It is not possible that it contains tangents and no bitangents
+    //! (or the other way round). The existence of one of them
+    //! implies that the second is there, too.
+    bool HasTangentsAndBitangents() const
+        { return mTangents != nullptr && mBitangents != nullptr && mNumVertices > 0; }
+
+    //! Check whether the mesh contains a vertex color set
+    //! \param pIndex Index of the vertex color set
+    bool HasVertexColors( unsigned int pIndex) const {
+        if (pIndex >= AI_MAX_NUMBER_OF_COLOR_SETS) {
+            return false;
+        } else {
+            return mColors[pIndex] != nullptr && mNumVertices > 0;
+        }
+    }
+
+    //! Check whether the mesh contains a texture coordinate set
+    //! \param pIndex Index of the texture coordinates set
+    bool HasTextureCoords( unsigned int pIndex) const {
+        if (pIndex >= AI_MAX_NUMBER_OF_TEXTURECOORDS) {
+            return false;
+        } else {
+            return mTextureCoords[pIndex] != nullptr && mNumVertices > 0;
+        }
+    }
+
+    //! Get the number of UV channels the mesh contains
+    unsigned int GetNumUVChannels() const {
+        unsigned int n( 0 );
+        while (n < AI_MAX_NUMBER_OF_TEXTURECOORDS && mTextureCoords[n]) {
+            ++n;
+        }
+
+        return n;
+    }
+
+    //! Get the number of vertex color channels the mesh contains
+    unsigned int GetNumColorChannels() const {
+        unsigned int n(0);
+        while (n < AI_MAX_NUMBER_OF_COLOR_SETS && mColors[n]) {
+            ++n;
+        }
+        return n;
+    }
+
+    //! Check whether the mesh contains bones
+    bool HasBones() const {
+        return mBones != nullptr && mNumBones > 0;
+    }
+
+#endif // __cplusplus
+};
+
+#ifdef __cplusplus
+}
+#endif //! extern "C"
+#endif // AI_MESH_H_INC
+
diff --git a/thirdparty/assimp/include/assimp/metadata.h b/thirdparty/assimp/include/assimp/metadata.h
new file mode 100644
index 0000000000..3a1dd1442a
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/metadata.h
@@ -0,0 +1,380 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file metadata.h
+ *  @brief Defines the data structures for holding node meta information.
+ */
+#pragma once
+#ifndef AI_METADATA_H_INC
+#define AI_METADATA_H_INC
+
+#if defined(_MSC_VER) && (_MSC_VER <= 1500)
+#  include "Compiler/pstdint.h"
+#else
+#  include <stdint.h>
+#endif
+
+// -------------------------------------------------------------------------------
+/**
+  * Enum used to distinguish data types
+  */
+ // -------------------------------------------------------------------------------
+typedef enum aiMetadataType {
+    AI_BOOL       = 0,
+    AI_INT32      = 1,
+    AI_UINT64     = 2,
+    AI_FLOAT      = 3,
+    AI_DOUBLE     = 4,
+    AI_AISTRING   = 5,
+    AI_AIVECTOR3D = 6,
+    AI_META_MAX   = 7,
+
+#ifndef SWIG
+    FORCE_32BIT = INT_MAX
+#endif
+} aiMetadataType;
+
+// -------------------------------------------------------------------------------
+/**
+  * Metadata entry
+  *
+  * The type field uniquely identifies the underlying type of the data field
+  */
+ // -------------------------------------------------------------------------------
+struct aiMetadataEntry {
+    aiMetadataType mType;
+    void* mData;
+};
+
+#ifdef __cplusplus
+
+#include <string>
+
+// -------------------------------------------------------------------------------
+/**
+  * Helper functions to get the aiType enum entry for a type
+  */
+ // -------------------------------------------------------------------------------
+
+inline aiMetadataType GetAiType( bool )       { return AI_BOOL; }
+inline aiMetadataType GetAiType( int32_t )    { return AI_INT32; }
+inline aiMetadataType GetAiType( uint64_t )   { return AI_UINT64; }
+inline aiMetadataType GetAiType( float )      { return AI_FLOAT; }
+inline aiMetadataType GetAiType( double )     { return AI_DOUBLE; }
+inline aiMetadataType GetAiType( const aiString & )   { return AI_AISTRING; }
+inline aiMetadataType GetAiType( const aiVector3D & ) { return AI_AIVECTOR3D; }
+
+#endif // __cplusplus
+
+// -------------------------------------------------------------------------------
+/**
+  * Container for holding metadata.
+  *
+  * Metadata is a key-value store using string keys and values.
+  */
+ // -------------------------------------------------------------------------------
+struct aiMetadata {
+    /** Length of the mKeys and mValues arrays, respectively */
+    unsigned int mNumProperties;
+
+    /** Arrays of keys, may not be NULL. Entries in this array may not be NULL as well. */
+    C_STRUCT aiString* mKeys;
+
+    /** Arrays of values, may not be NULL. Entries in this array may be NULL if the
+      * corresponding property key has no assigned value. */
+    C_STRUCT aiMetadataEntry* mValues;
+
+#ifdef __cplusplus
+
+    /** 
+     *  @brief  The default constructor, set all members to zero by default.
+     */
+    aiMetadata() AI_NO_EXCEPT
+    : mNumProperties(0)
+    , mKeys(nullptr)
+    , mValues(nullptr) {
+        // empty
+    }
+
+    aiMetadata( const aiMetadata &rhs )
+    : mNumProperties( rhs.mNumProperties )
+    , mKeys( nullptr )
+    , mValues( nullptr ) {
+        mKeys = new aiString[ mNumProperties ];
+        for ( size_t i = 0; i < static_cast<size_t>( mNumProperties ); ++i ) {
+            mKeys[ i ] = rhs.mKeys[ i ];
+        }
+        mValues = new aiMetadataEntry[ mNumProperties ];
+        for ( size_t i = 0; i < static_cast<size_t>(mNumProperties); ++i ) {
+            mValues[ i ].mType = rhs.mValues[ i ].mType;
+            switch ( rhs.mValues[ i ].mType ) {
+            case AI_BOOL:
+                mValues[ i ].mData = new bool;
+                ::memcpy( mValues[ i ].mData, rhs.mValues[ i ].mData, sizeof(bool) );
+                break;
+            case AI_INT32: {
+                int32_t v;
+                ::memcpy( &v, rhs.mValues[ i ].mData, sizeof( int32_t ) );
+                mValues[ i ].mData = new int32_t( v );
+                }
+                break;
+            case AI_UINT64: {
+                    uint64_t v;
+                    ::memcpy( &v, rhs.mValues[ i ].mData, sizeof( uint64_t ) );
+                    mValues[ i ].mData = new  uint64_t( v );
+                }
+                break;
+            case AI_FLOAT: {
+                    float v;
+                    ::memcpy( &v, rhs.mValues[ i ].mData, sizeof( float ) );
+                    mValues[ i ].mData = new float( v );
+                }
+                break;
+            case AI_DOUBLE: {
+                    double v;
+                    ::memcpy( &v, rhs.mValues[ i ].mData, sizeof( double ) );
+                    mValues[ i ].mData = new double( v );
+                }
+                break;
+            case AI_AISTRING: {
+                    aiString v;
+                    rhs.Get<aiString>( mKeys[ i ], v );
+                    mValues[ i ].mData = new aiString( v );
+                }
+                break;
+            case AI_AIVECTOR3D: {
+                    aiVector3D v;
+                    rhs.Get<aiVector3D>( mKeys[ i ], v );
+                    mValues[ i ].mData = new aiVector3D( v );
+                }
+                break;
+#ifndef SWIG
+            case FORCE_32BIT:
+#endif
+            default:
+                break;
+            }
+
+        }
+    }
+
+    /** 
+     *  @brief The destructor.
+     */
+    ~aiMetadata() {
+        delete [] mKeys;
+        mKeys = nullptr;
+        if (mValues) {
+            // Delete each metadata entry
+            for (unsigned i=0; i<mNumProperties; ++i) {
+                void* data = mValues[i].mData;
+                switch (mValues[i].mType) {
+                case AI_BOOL:
+                    delete static_cast< bool* >( data );
+                    break;
+                case AI_INT32:
+                    delete static_cast< int32_t* >( data );
+                    break;
+                case AI_UINT64:
+                    delete static_cast< uint64_t* >( data );
+                    break;
+                case AI_FLOAT:
+                    delete static_cast< float* >( data );
+                    break;
+                case AI_DOUBLE:
+                    delete static_cast< double* >( data );
+                    break;
+                case AI_AISTRING:
+                    delete static_cast< aiString* >( data );
+                    break;
+                case AI_AIVECTOR3D:
+                    delete static_cast< aiVector3D* >( data );
+                    break;
+#ifndef SWIG
+                case FORCE_32BIT:
+#endif
+                default:
+                    break;
+                }
+            }
+
+            // Delete the metadata array
+            delete [] mValues;
+            mValues = nullptr;
+        }
+    }
+
+    /**
+     *  @brief Allocates property fields + keys.
+     *  @param  numProperties   Number of requested properties.
+     */
+    static inline
+    aiMetadata *Alloc( unsigned int numProperties ) {
+        if ( 0 == numProperties ) {
+            return nullptr;
+        }
+
+        aiMetadata *data = new aiMetadata;
+        data->mNumProperties = numProperties;
+        data->mKeys = new aiString[ data->mNumProperties ]();
+        data->mValues = new aiMetadataEntry[ data->mNumProperties ]();
+
+        return data;
+    }
+
+    /**
+     *  @brief Deallocates property fields + keys.
+     */
+    static inline
+    void Dealloc( aiMetadata *metadata ) {
+        delete metadata;
+    }
+
+	template<typename T>
+	inline
+    void Add(const std::string& key, const T& value) {
+		aiString* new_keys = new aiString[mNumProperties + 1];
+		aiMetadataEntry* new_values = new aiMetadataEntry[mNumProperties + 1];
+
+		for(unsigned int i = 0; i < mNumProperties; ++i)
+		{
+			new_keys[i] = mKeys[i];
+			new_values[i] = mValues[i];
+		}
+
+		delete mKeys;
+		delete mValues;
+
+		mKeys = new_keys;
+		mValues = new_values;
+
+		mNumProperties++;
+
+		Set(mNumProperties - 1, key, value);
+	}
+
+    template<typename T>
+    inline 
+    bool Set( unsigned index, const std::string& key, const T& value ) {
+        // In range assertion
+        if ( index >= mNumProperties ) {
+            return false;
+        }
+
+        // Ensure that we have a valid key.
+        if ( key.empty() ) {
+            return false;
+        }
+
+        // Set metadata key
+        mKeys[index] = key;
+
+        // Set metadata type
+        mValues[index].mType = GetAiType(value);
+        // Copy the given value to the dynamic storage
+        mValues[index].mData = new T(value);
+
+        return true;
+    }
+
+    template<typename T>
+    inline 
+    bool Get( unsigned index, T& value ) const {
+        // In range assertion
+        if ( index >= mNumProperties ) {
+            return false;
+        }
+
+        // Return false if the output data type does
+        // not match the found value's data type
+        if ( GetAiType( value ) != mValues[ index ].mType ) {
+            return false;
+        }
+
+        // Otherwise, output the found value and
+        // return true
+        value = *static_cast<T*>(mValues[index].mData);
+
+        return true;
+    }
+
+    template<typename T>
+    inline 
+    bool Get( const aiString& key, T& value ) const {
+        // Search for the given key
+        for ( unsigned int i = 0; i < mNumProperties; ++i ) {
+            if ( mKeys[ i ] == key ) {
+                return Get( i, value );
+            }
+        }
+        return false;
+    }
+
+    template<typename T>
+    inline
+    bool Get( const std::string& key, T& value ) const {
+        return Get(aiString(key), value);
+    }
+
+	/// Return metadata entry for analyzing it by user.
+	/// \param [in] pIndex - index of the entry.
+	/// \param [out] pKey - pointer to the key value.
+	/// \param [out] pEntry - pointer to the entry: type and value.
+	/// \return false - if pIndex is out of range, else - true.
+	inline
+    bool Get(size_t index, const aiString*& key, const aiMetadataEntry*& entry) const {
+        if ( index >= mNumProperties ) {
+            return false;
+        }
+
+		key = &mKeys[index];
+		entry = &mValues[index];
+
+		return true;
+	}
+
+#endif // __cplusplus
+
+};
+
+#endif // AI_METADATA_H_INC
diff --git a/thirdparty/assimp/include/assimp/pbrmaterial.h b/thirdparty/assimp/include/assimp/pbrmaterial.h
new file mode 100644
index 0000000000..ce5f822173
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/pbrmaterial.h
@@ -0,0 +1,77 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file pbrmaterial.h
+ *  @brief Defines the material system of the library
+ */
+#ifndef AI_PBRMATERIAL_H_INC
+#define AI_PBRMATERIAL_H_INC
+
+#define AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_BASE_COLOR_FACTOR "$mat.gltf.pbrMetallicRoughness.baseColorFactor", 0, 0
+#define AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLIC_FACTOR "$mat.gltf.pbrMetallicRoughness.metallicFactor", 0, 0
+#define AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_ROUGHNESS_FACTOR "$mat.gltf.pbrMetallicRoughness.roughnessFactor", 0, 0
+#define AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_BASE_COLOR_TEXTURE aiTextureType_DIFFUSE, 1
+#define AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE aiTextureType_UNKNOWN, 0
+#define AI_MATKEY_GLTF_ALPHAMODE "$mat.gltf.alphaMode", 0, 0
+#define AI_MATKEY_GLTF_ALPHACUTOFF "$mat.gltf.alphaCutoff", 0, 0
+#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS "$mat.gltf.pbrSpecularGlossiness", 0, 0
+#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_GLOSSINESS_FACTOR "$mat.gltf.pbrMetallicRoughness.glossinessFactor", 0, 0
+#define AI_MATKEY_GLTF_UNLIT "$mat.gltf.unlit", 0, 0
+
+#define _AI_MATKEY_GLTF_TEXTURE_TEXCOORD_BASE "$tex.file.texCoord"
+#define _AI_MATKEY_GLTF_MAPPINGNAME_BASE "$tex.mappingname"
+#define _AI_MATKEY_GLTF_MAPPINGID_BASE "$tex.mappingid"
+#define _AI_MATKEY_GLTF_MAPPINGFILTER_MAG_BASE "$tex.mappingfiltermag"
+#define _AI_MATKEY_GLTF_MAPPINGFILTER_MIN_BASE "$tex.mappingfiltermin"
+#define _AI_MATKEY_GLTF_SCALE_BASE "$tex.scale"
+#define _AI_MATKEY_GLTF_STRENGTH_BASE "$tex.strength"
+
+#define AI_MATKEY_GLTF_TEXTURE_TEXCOORD(type, N) _AI_MATKEY_GLTF_TEXTURE_TEXCOORD_BASE, type, N
+#define AI_MATKEY_GLTF_MAPPINGNAME(type, N) _AI_MATKEY_GLTF_MAPPINGNAME_BASE, type, N
+#define AI_MATKEY_GLTF_MAPPINGID(type, N) _AI_MATKEY_GLTF_MAPPINGID_BASE, type, N
+#define AI_MATKEY_GLTF_MAPPINGFILTER_MAG(type, N) _AI_MATKEY_GLTF_MAPPINGFILTER_MAG_BASE, type, N
+#define AI_MATKEY_GLTF_MAPPINGFILTER_MIN(type, N) _AI_MATKEY_GLTF_MAPPINGFILTER_MIN_BASE, type, N
+#define AI_MATKEY_GLTF_TEXTURE_SCALE(type, N) _AI_MATKEY_GLTF_SCALE_BASE, type, N
+#define AI_MATKEY_GLTF_TEXTURE_STRENGTH(type, N) _AI_MATKEY_GLTF_STRENGTH_BASE, type, N
+
+#endif //!!AI_PBRMATERIAL_H_INC
diff --git a/thirdparty/assimp/include/assimp/port/AndroidJNI/AndroidJNIIOSystem.h b/thirdparty/assimp/include/assimp/port/AndroidJNI/AndroidJNIIOSystem.h
new file mode 100644
index 0000000000..41d8004877
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/port/AndroidJNI/AndroidJNIIOSystem.h
@@ -0,0 +1,92 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2016, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Android implementation of IOSystem using the standard C file functions.
+ * Aimed to ease the access to android assets */
+
+#if __ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
+#ifndef AI_ANDROIDJNIIOSYSTEM_H_INC
+#define AI_ANDROIDJNIIOSYSTEM_H_INC
+
+#include <assimp/DefaultIOSystem.h>
+#include <android/asset_manager.h>
+#include <android/asset_manager_jni.h>
+#include <android/native_activity.h>
+
+namespace Assimp	{
+
+// ---------------------------------------------------------------------------
+/** Android extension to DefaultIOSystem using the standard C file functions */
+class ASSIMP_API AndroidJNIIOSystem : public DefaultIOSystem
+{
+public:
+
+	/** Initialize android activity data */
+	std::string mApkWorkspacePath;
+	AAssetManager* mApkAssetManager;
+
+	/** Constructor. */
+	AndroidJNIIOSystem(ANativeActivity* activity);
+
+	/** Destructor. */
+	~AndroidJNIIOSystem();
+
+	// -------------------------------------------------------------------
+	/** Tests for the existence of a file at the given path. */
+	bool Exists( const char* pFile) const;
+
+	// -------------------------------------------------------------------
+	/** Opens a file at the given path, with given mode */
+	IOStream* Open( const char* strFile, const char* strMode);
+
+	// ------------------------------------------------------------------------------------------------
+	// Inits Android extractor
+	void AndroidActivityInit(ANativeActivity* activity);
+
+	// ------------------------------------------------------------------------------------------------
+	// Extracts android asset
+	bool AndroidExtractAsset(std::string name);
+
+};
+
+} //!ns Assimp
+
+#endif //AI_ANDROIDJNIIOSYSTEM_H_INC
+#endif //__ANDROID__ and __ANDROID_API__ > 9 and defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
diff --git a/thirdparty/assimp/include/assimp/postprocess.h b/thirdparty/assimp/include/assimp/postprocess.h
new file mode 100644
index 0000000000..c23a5490a5
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/postprocess.h
@@ -0,0 +1,679 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file postprocess.h
+ *  @brief Definitions for import post processing steps
+ */
+#pragma once
+#ifndef AI_POSTPROCESS_H_INC
+#define AI_POSTPROCESS_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// -----------------------------------------------------------------------------------
+/** @enum  aiPostProcessSteps
+ *  @brief Defines the flags for all possible post processing steps.
+ *
+ *  @note Some steps are influenced by properties set on the Assimp::Importer itself
+ *
+ *  @see Assimp::Importer::ReadFile()
+ *  @see Assimp::Importer::SetPropertyInteger()
+ *  @see aiImportFile
+ *  @see aiImportFileEx
+ */
+// -----------------------------------------------------------------------------------
+enum aiPostProcessSteps
+{
+
+    // -------------------------------------------------------------------------
+    /** <hr>Calculates the tangents and bitangents for the imported meshes.
+     *
+     * Does nothing if a mesh does not have normals. You might want this post
+     * processing step to be executed if you plan to use tangent space calculations
+     * such as normal mapping  applied to the meshes. There's an importer property,
+     * <tt>#AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE</tt>, which allows you to specify
+     * a maximum smoothing angle for the algorithm. However, usually you'll
+     * want to leave it at the default value.
+     */
+    aiProcess_CalcTangentSpace = 0x1,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Identifies and joins identical vertex data sets within all
+     *  imported meshes.
+     *
+     * After this step is run, each mesh contains unique vertices,
+     * so a vertex may be used by multiple faces. You usually want
+     * to use this post processing step. If your application deals with
+     * indexed geometry, this step is compulsory or you'll just waste rendering
+     * time. <b>If this flag is not specified</b>, no vertices are referenced by
+     * more than one face and <b>no index buffer is required</b> for rendering.
+     */
+    aiProcess_JoinIdenticalVertices = 0x2,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Converts all the imported data to a left-handed coordinate space.
+     *
+     * By default the data is returned in a right-handed coordinate space (which
+     * OpenGL prefers). In this space, +X points to the right,
+     * +Z points towards the viewer, and +Y points upwards. In the DirectX
+     * coordinate space +X points to the right, +Y points upwards, and +Z points
+     * away from the viewer.
+     *
+     * You'll probably want to consider this flag if you use Direct3D for
+     * rendering. The #aiProcess_ConvertToLeftHanded flag supersedes this
+     * setting and bundles all conversions typically required for D3D-based
+     * applications.
+     */
+    aiProcess_MakeLeftHanded = 0x4,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Triangulates all faces of all meshes.
+     *
+     * By default the imported mesh data might contain faces with more than 3
+     * indices. For rendering you'll usually want all faces to be triangles.
+     * This post processing step splits up faces with more than 3 indices into
+     * triangles. Line and point primitives are *not* modified! If you want
+     * 'triangles only' with no other kinds of primitives, try the following
+     * solution:
+     * <ul>
+     * <li>Specify both #aiProcess_Triangulate and #aiProcess_SortByPType </li>
+     * <li>Ignore all point and line meshes when you process assimp's output</li>
+     * </ul>
+     */
+    aiProcess_Triangulate = 0x8,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Removes some parts of the data structure (animations, materials,
+     *  light sources, cameras, textures, vertex components).
+     *
+     * The  components to be removed are specified in a separate
+     * importer property, <tt>#AI_CONFIG_PP_RVC_FLAGS</tt>. This is quite useful
+     * if you don't need all parts of the output structure. Vertex colors
+     * are rarely used today for example... Calling this step to remove unneeded
+     * data from the pipeline as early as possible results in increased
+     * performance and a more optimized output data structure.
+     * This step is also useful if you want to force Assimp to recompute
+     * normals or tangents. The corresponding steps don't recompute them if
+     * they're already there (loaded from the source asset). By using this
+     * step you can make sure they are NOT there.
+     *
+     * This flag is a poor one, mainly because its purpose is usually
+     * misunderstood. Consider the following case: a 3D model has been exported
+     * from a CAD app, and it has per-face vertex colors. Vertex positions can't be
+     * shared, thus the #aiProcess_JoinIdenticalVertices step fails to
+     * optimize the data because of these nasty little vertex colors.
+     * Most apps don't even process them, so it's all for nothing. By using
+     * this step, unneeded components are excluded as early as possible
+     * thus opening more room for internal optimizations.
+     */
+    aiProcess_RemoveComponent = 0x10,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Generates normals for all faces of all meshes.
+     *
+     * This is ignored if normals are already there at the time this flag
+     * is evaluated. Model importers try to load them from the source file, so
+     * they're usually already there. Face normals are shared between all points
+     * of a single face, so a single point can have multiple normals, which
+     * forces the library to duplicate vertices in some cases.
+     * #aiProcess_JoinIdenticalVertices is *senseless* then.
+     *
+     * This flag may not be specified together with #aiProcess_GenSmoothNormals.
+     */
+    aiProcess_GenNormals = 0x20,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Generates smooth normals for all vertices in the mesh.
+    *
+    * This is ignored if normals are already there at the time this flag
+    * is evaluated. Model importers try to load them from the source file, so
+    * they're usually already there.
+    *
+    * This flag may not be specified together with
+    * #aiProcess_GenNormals. There's a importer property,
+    * <tt>#AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE</tt> which allows you to specify
+    * an angle maximum for the normal smoothing algorithm. Normals exceeding
+    * this limit are not smoothed, resulting in a 'hard' seam between two faces.
+    * Using a decent angle here (e.g. 80 degrees) results in very good visual
+    * appearance.
+    */
+    aiProcess_GenSmoothNormals = 0x40,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Splits large meshes into smaller sub-meshes.
+    *
+    * This is quite useful for real-time rendering, where the number of triangles
+    * which can be maximally processed in a single draw-call is limited
+    * by the video driver/hardware. The maximum vertex buffer is usually limited
+    * too. Both requirements can be met with this step: you may specify both a
+    * triangle and vertex limit for a single mesh.
+    *
+    * The split limits can (and should!) be set through the
+    * <tt>#AI_CONFIG_PP_SLM_VERTEX_LIMIT</tt> and <tt>#AI_CONFIG_PP_SLM_TRIANGLE_LIMIT</tt>
+    * importer properties. The default values are <tt>#AI_SLM_DEFAULT_MAX_VERTICES</tt> and
+    * <tt>#AI_SLM_DEFAULT_MAX_TRIANGLES</tt>.
+    *
+    * Note that splitting is generally a time-consuming task, but only if there's
+    * something to split. The use of this step is recommended for most users.
+    */
+    aiProcess_SplitLargeMeshes = 0x80,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Removes the node graph and pre-transforms all vertices with
+    * the local transformation matrices of their nodes.
+    *
+    * The output scene still contains nodes, however there is only a
+    * root node with children, each one referencing only one mesh,
+    * and each mesh referencing one material. For rendering, you can
+    * simply render all meshes in order - you don't need to pay
+    * attention to local transformations and the node hierarchy.
+    * Animations are removed during this step.
+    * This step is intended for applications without a scenegraph.
+    * The step CAN cause some problems: if e.g. a mesh of the asset
+    * contains normals and another, using the same material index, does not,
+    * they will be brought together, but the first meshes's part of
+    * the normal list is zeroed. However, these artifacts are rare.
+    * @note The <tt>#AI_CONFIG_PP_PTV_NORMALIZE</tt> configuration property
+    * can be set to normalize the scene's spatial dimension to the -1...1
+    * range.
+    */
+    aiProcess_PreTransformVertices = 0x100,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Limits the number of bones simultaneously affecting a single vertex
+    *  to a maximum value.
+    *
+    * If any vertex is affected by more than the maximum number of bones, the least
+    * important vertex weights are removed and the remaining vertex weights are
+    * renormalized so that the weights still sum up to 1.
+    * The default bone weight limit is 4 (defined as <tt>#AI_LMW_MAX_WEIGHTS</tt> in
+    * config.h), but you can use the <tt>#AI_CONFIG_PP_LBW_MAX_WEIGHTS</tt> importer
+    * property to supply your own limit to the post processing step.
+    *
+    * If you intend to perform the skinning in hardware, this post processing
+    * step might be of interest to you.
+    */
+    aiProcess_LimitBoneWeights = 0x200,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Validates the imported scene data structure.
+     * This makes sure that all indices are valid, all animations and
+     * bones are linked correctly, all material references are correct .. etc.
+     *
+     * It is recommended that you capture Assimp's log output if you use this flag,
+     * so you can easily find out what's wrong if a file fails the
+     * validation. The validator is quite strict and will find *all*
+     * inconsistencies in the data structure... It is recommended that plugin
+     * developers use it to debug their loaders. There are two types of
+     * validation failures:
+     * <ul>
+     * <li>Error: There's something wrong with the imported data. Further
+     *   postprocessing is not possible and the data is not usable at all.
+     *   The import fails. #Importer::GetErrorString() or #aiGetErrorString()
+     *   carry the error message around.</li>
+     * <li>Warning: There are some minor issues (e.g. 1000000 animation
+     *   keyframes with the same time), but further postprocessing and use
+     *   of the data structure is still safe. Warning details are written
+     *   to the log file, <tt>#AI_SCENE_FLAGS_VALIDATION_WARNING</tt> is set
+     *   in #aiScene::mFlags</li>
+     * </ul>
+     *
+     * This post-processing step is not time-consuming. Its use is not
+     * compulsory, but recommended.
+    */
+    aiProcess_ValidateDataStructure = 0x400,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Reorders triangles for better vertex cache locality.
+     *
+     * The step tries to improve the ACMR (average post-transform vertex cache
+     * miss ratio) for all meshes. The implementation runs in O(n) and is
+     * roughly based on the 'tipsify' algorithm (see <a href="
+     * http://www.cs.princeton.edu/gfx/pubs/Sander_2007_%3ETR/tipsy.pdf">this
+     * paper</a>).
+     *
+     * If you intend to render huge models in hardware, this step might
+     * be of interest to you. The <tt>#AI_CONFIG_PP_ICL_PTCACHE_SIZE</tt>
+     * importer property can be used to fine-tune the cache optimization.
+     */
+    aiProcess_ImproveCacheLocality = 0x800,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Searches for redundant/unreferenced materials and removes them.
+     *
+     * This is especially useful in combination with the
+     * #aiProcess_PreTransformVertices and #aiProcess_OptimizeMeshes flags.
+     * Both join small meshes with equal characteristics, but they can't do
+     * their work if two meshes have different materials. Because several
+     * material settings are lost during Assimp's import filters,
+     * (and because many exporters don't check for redundant materials), huge
+     * models often have materials which are are defined several times with
+     * exactly the same settings.
+     *
+     * Several material settings not contributing to the final appearance of
+     * a surface are ignored in all comparisons (e.g. the material name).
+     * So, if you're passing additional information through the
+     * content pipeline (probably using *magic* material names), don't
+     * specify this flag. Alternatively take a look at the
+     * <tt>#AI_CONFIG_PP_RRM_EXCLUDE_LIST</tt> importer property.
+     */
+    aiProcess_RemoveRedundantMaterials = 0x1000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step tries to determine which meshes have normal vectors
+     * that are facing inwards and inverts them.
+     *
+     * The algorithm is simple but effective:
+     * the bounding box of all vertices + their normals is compared against
+     * the volume of the bounding box of all vertices without their normals.
+     * This works well for most objects, problems might occur with planar
+     * surfaces. However, the step tries to filter such cases.
+     * The step inverts all in-facing normals. Generally it is recommended
+     * to enable this step, although the result is not always correct.
+    */
+    aiProcess_FixInfacingNormals = 0x2000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step splits meshes with more than one primitive type in
+     *  homogeneous sub-meshes.
+     *
+     *  The step is executed after the triangulation step. After the step
+     *  returns, just one bit is set in aiMesh::mPrimitiveTypes. This is
+     *  especially useful for real-time rendering where point and line
+     *  primitives are often ignored or rendered separately.
+     *  You can use the <tt>#AI_CONFIG_PP_SBP_REMOVE</tt> importer property to
+     *  specify which primitive types you need. This can be used to easily
+     *  exclude lines and points, which are rarely used, from the import.
+    */
+    aiProcess_SortByPType = 0x8000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step searches all meshes for degenerate primitives and
+     *  converts them to proper lines or points.
+     *
+     * A face is 'degenerate' if one or more of its points are identical.
+     * To have the degenerate stuff not only detected and collapsed but
+     * removed, try one of the following procedures:
+     * <br><b>1.</b> (if you support lines and points for rendering but don't
+     *    want the degenerates)<br>
+     * <ul>
+     *   <li>Specify the #aiProcess_FindDegenerates flag.
+     *   </li>
+     *   <li>Set the <tt>#AI_CONFIG_PP_FD_REMOVE</tt> importer property to
+     *       1. This will cause the step to remove degenerate triangles from the
+     *       import as soon as they're detected. They won't pass any further
+     *       pipeline steps.
+     *   </li>
+     * </ul>
+     * <br><b>2.</b>(if you don't support lines and points at all)<br>
+     * <ul>
+     *   <li>Specify the #aiProcess_FindDegenerates flag.
+     *   </li>
+     *   <li>Specify the #aiProcess_SortByPType flag. This moves line and
+     *     point primitives to separate meshes.
+     *   </li>
+     *   <li>Set the <tt>#AI_CONFIG_PP_SBP_REMOVE</tt> importer property to
+     *       @code aiPrimitiveType_POINTS | aiPrimitiveType_LINES
+     *       @endcode to cause SortByPType to reject point
+     *       and line meshes from the scene.
+     *   </li>
+     * </ul>
+     *
+     * This step also removes very small triangles with a surface area smaller
+     * than 10^-6. If you rely on having these small triangles, or notice holes
+     * in your model, set the property <tt>#AI_CONFIG_PP_FD_CHECKAREA</tt> to
+     * false.
+     * @note Degenerate polygons are not necessarily evil and that's why
+     * they're not removed by default. There are several file formats which
+     * don't support lines or points, and some exporters bypass the
+     * format specification and write them as degenerate triangles instead.
+    */
+    aiProcess_FindDegenerates = 0x10000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step searches all meshes for invalid data, such as zeroed
+     *  normal vectors or invalid UV coords and removes/fixes them. This is
+     *  intended to get rid of some common exporter errors.
+     *
+     * This is especially useful for normals. If they are invalid, and
+     * the step recognizes this, they will be removed and can later
+     * be recomputed, i.e. by the #aiProcess_GenSmoothNormals flag.<br>
+     * The step will also remove meshes that are infinitely small and reduce
+     * animation tracks consisting of hundreds if redundant keys to a single
+     * key. The <tt>AI_CONFIG_PP_FID_ANIM_ACCURACY</tt> config property decides
+     * the accuracy of the check for duplicate animation tracks.
+    */
+    aiProcess_FindInvalidData = 0x20000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step converts non-UV mappings (such as spherical or
+     *  cylindrical mapping) to proper texture coordinate channels.
+     *
+     * Most applications will support UV mapping only, so you will
+     * probably want to specify this step in every case. Note that Assimp is not
+     * always able to match the original mapping implementation of the
+     * 3D app which produced a model perfectly. It's always better to let the
+     * modelling app compute the UV channels - 3ds max, Maya, Blender,
+     * LightWave, and Modo do this for example.
+     *
+     * @note If this step is not requested, you'll need to process the
+     * <tt>#AI_MATKEY_MAPPING</tt> material property in order to display all assets
+     * properly.
+     */
+    aiProcess_GenUVCoords = 0x40000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step applies per-texture UV transformations and bakes
+     *  them into stand-alone vtexture coordinate channels.
+     *
+     * UV transformations are specified per-texture - see the
+     * <tt>#AI_MATKEY_UVTRANSFORM</tt> material key for more information.
+     * This step processes all textures with
+     * transformed input UV coordinates and generates a new (pre-transformed) UV channel
+     * which replaces the old channel. Most applications won't support UV
+     * transformations, so you will probably want to specify this step.
+     *
+     * @note UV transformations are usually implemented in real-time apps by
+     * transforming texture coordinates at vertex shader stage with a 3x3
+     * (homogenous) transformation matrix.
+    */
+    aiProcess_TransformUVCoords = 0x80000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step searches for duplicate meshes and replaces them
+     *  with references to the first mesh.
+     *
+     *  This step takes a while, so don't use it if speed is a concern.
+     *  Its main purpose is to workaround the fact that many export
+     *  file formats don't support instanced meshes, so exporters need to
+     *  duplicate meshes. This step removes the duplicates again. Please
+     *  note that Assimp does not currently support per-node material
+     *  assignment to meshes, which means that identical meshes with
+     *  different materials are currently *not* joined, although this is
+     *  planned for future versions.
+     */
+    aiProcess_FindInstances = 0x100000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>A postprocessing step to reduce the number of meshes.
+     *
+     *  This will, in fact, reduce the number of draw calls.
+     *
+     *  This is a very effective optimization and is recommended to be used
+     *  together with #aiProcess_OptimizeGraph, if possible. The flag is fully
+     *  compatible with both #aiProcess_SplitLargeMeshes and #aiProcess_SortByPType.
+    */
+    aiProcess_OptimizeMeshes  = 0x200000,
+
+
+    // -------------------------------------------------------------------------
+    /** <hr>A postprocessing step to optimize the scene hierarchy.
+     *
+     *  Nodes without animations, bones, lights or cameras assigned are
+     *  collapsed and joined.
+     *
+     *  Node names can be lost during this step. If you use special 'tag nodes'
+     *  to pass additional information through your content pipeline, use the
+     *  <tt>#AI_CONFIG_PP_OG_EXCLUDE_LIST</tt> importer property to specify a
+     *  list of node names you want to be kept. Nodes matching one of the names
+     *  in this list won't be touched or modified.
+     *
+     *  Use this flag with caution. Most simple files will be collapsed to a
+     *  single node, so complex hierarchies are usually completely lost. This is not
+     *  useful for editor environments, but probably a very effective
+     *  optimization if you just want to get the model data, convert it to your
+     *  own format, and render it as fast as possible.
+     *
+     *  This flag is designed to be used with #aiProcess_OptimizeMeshes for best
+     *  results.
+     *
+     *  @note 'Crappy' scenes with thousands of extremely small meshes packed
+     *  in deeply nested nodes exist for almost all file formats.
+     *  #aiProcess_OptimizeMeshes in combination with #aiProcess_OptimizeGraph
+     *  usually fixes them all and makes them renderable.
+    */
+    aiProcess_OptimizeGraph  = 0x400000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step flips all UV coordinates along the y-axis and adjusts
+     * material settings and bitangents accordingly.
+     *
+     * <b>Output UV coordinate system:</b>
+     * @code
+     * 0y|0y ---------- 1x|0y
+     * |                 |
+     * |                 |
+     * |                 |
+     * 0x|1y ---------- 1x|1y
+     * @endcode
+     *
+     * You'll probably want to consider this flag if you use Direct3D for
+     * rendering. The #aiProcess_ConvertToLeftHanded flag supersedes this
+     * setting and bundles all conversions typically required for D3D-based
+     * applications.
+    */
+    aiProcess_FlipUVs = 0x800000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step adjusts the output face winding order to be CW.
+     *
+     * The default face winding order is counter clockwise (CCW).
+     *
+     * <b>Output face order:</b>
+     * @code
+     *       x2
+     *
+     *                         x0
+     *  x1
+     * @endcode
+    */
+    aiProcess_FlipWindingOrder  = 0x1000000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step splits meshes with many bones into sub-meshes so that each
+     * su-bmesh has fewer or as many bones as a given limit.
+    */
+    aiProcess_SplitByBoneCount  = 0x2000000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step removes bones losslessly or according to some threshold.
+     *
+     *  In some cases (i.e. formats that require it) exporters are forced to
+     *  assign dummy bone weights to otherwise static meshes assigned to
+     *  animated meshes. Full, weight-based skinning is expensive while
+     *  animating nodes is extremely cheap, so this step is offered to clean up
+     *  the data in that regard.
+     *
+     *  Use <tt>#AI_CONFIG_PP_DB_THRESHOLD</tt> to control this.
+     *  Use <tt>#AI_CONFIG_PP_DB_ALL_OR_NONE</tt> if you want bones removed if and
+     *  only if all bones within the scene qualify for removal.
+    */
+    aiProcess_Debone  = 0x4000000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>This step will perform a global scale of the model.
+    *
+    *  Some importers are providing a mechanism to define a scaling unit for the
+    *  model. This post processing step can be used to do so. You need to get the
+    *  global scaling from your importer settings like in FBX. Use the flag
+    *  AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY from the global property table to configure this.
+    *
+    *  Use <tt>#AI_CONFIG_GLOBAL_SCALE_FACTOR_KEY</tt> to setup the global scaing factor.
+    */
+    aiProcess_GlobalScale = 0x8000000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>A postprocessing step to embed of textures.
+     *
+     *  This will remove external data dependencies for textures.
+     *  If a texture's file does not exist at the specified path
+     *  (due, for instance, to an absolute path generated on another system),
+     *  it will check if a file with the same name exists at the root folder
+     *  of the imported model. And if so, it uses that.
+     */
+    aiProcess_EmbedTextures  = 0x10000000,
+        
+    // aiProcess_GenEntityMeshes = 0x100000,
+    // aiProcess_OptimizeAnimations = 0x200000
+    // aiProcess_FixTexturePaths = 0x200000
+
+
+    aiProcess_ForceGenNormals = 0x20000000,
+
+    // -------------------------------------------------------------------------
+    /** <hr>Drops normals for all faces of all meshes.
+     *
+     * This is ignored if no normals are present.
+     * Face normals are shared between all points of a single face,
+     * so a single point can have multiple normals, which
+     * forces the library to duplicate vertices in some cases.
+     * #aiProcess_JoinIdenticalVertices is *senseless* then.
+     * This process gives sense back to aiProcess_JoinIdenticalVertices
+     */
+    aiProcess_DropNormals = 0x40000000,
+};
+
+
+// ---------------------------------------------------------------------------------------
+/** @def aiProcess_ConvertToLeftHanded
+ *  @brief Shortcut flag for Direct3D-based applications.
+ *
+ *  Supersedes the #aiProcess_MakeLeftHanded and #aiProcess_FlipUVs and
+ *  #aiProcess_FlipWindingOrder flags.
+ *  The output data matches Direct3D's conventions: left-handed geometry, upper-left
+ *  origin for UV coordinates and finally clockwise face order, suitable for CCW culling.
+ *
+ *  @deprecated
+ */
+#define aiProcess_ConvertToLeftHanded ( \
+    aiProcess_MakeLeftHanded     | \
+    aiProcess_FlipUVs            | \
+    aiProcess_FlipWindingOrder   | \
+    0 )
+
+
+// ---------------------------------------------------------------------------------------
+/** @def aiProcessPreset_TargetRealtime_Fast
+ *  @brief Default postprocess configuration optimizing the data for real-time rendering.
+ *
+ *  Applications would want to use this preset to load models on end-user PCs,
+ *  maybe for direct use in game.
+ *
+ * If you're using DirectX, don't forget to combine this value with
+ * the #aiProcess_ConvertToLeftHanded step. If you don't support UV transformations
+ * in your application apply the #aiProcess_TransformUVCoords step, too.
+ *  @note Please take the time to read the docs for the steps enabled by this preset.
+ *  Some of them offer further configurable properties, while some of them might not be of
+ *  use for you so it might be better to not specify them.
+ */
+#define aiProcessPreset_TargetRealtime_Fast ( \
+    aiProcess_CalcTangentSpace      |  \
+    aiProcess_GenNormals            |  \
+    aiProcess_JoinIdenticalVertices |  \
+    aiProcess_Triangulate           |  \
+    aiProcess_GenUVCoords           |  \
+    aiProcess_SortByPType           |  \
+    0 )
+
+ // ---------------------------------------------------------------------------------------
+ /** @def aiProcessPreset_TargetRealtime_Quality
+  *  @brief Default postprocess configuration optimizing the data for real-time rendering.
+  *
+  *  Unlike #aiProcessPreset_TargetRealtime_Fast, this configuration
+  *  performs some extra optimizations to improve rendering speed and
+  *  to minimize memory usage. It could be a good choice for a level editor
+  *  environment where import speed is not so important.
+  *
+  *  If you're using DirectX, don't forget to combine this value with
+  *  the #aiProcess_ConvertToLeftHanded step. If you don't support UV transformations
+  *  in your application apply the #aiProcess_TransformUVCoords step, too.
+  *  @note Please take the time to read the docs for the steps enabled by this preset.
+  *  Some of them offer further configurable properties, while some of them might not be
+  *  of use for you so it might be better to not specify them.
+  */
+#define aiProcessPreset_TargetRealtime_Quality ( \
+    aiProcess_CalcTangentSpace              |  \
+    aiProcess_GenSmoothNormals              |  \
+    aiProcess_JoinIdenticalVertices         |  \
+    aiProcess_ImproveCacheLocality          |  \
+    aiProcess_LimitBoneWeights              |  \
+    aiProcess_RemoveRedundantMaterials      |  \
+    aiProcess_SplitLargeMeshes              |  \
+    aiProcess_Triangulate                   |  \
+    aiProcess_GenUVCoords                   |  \
+    aiProcess_SortByPType                   |  \
+    aiProcess_FindDegenerates               |  \
+    aiProcess_FindInvalidData               |  \
+    0 )
+
+ // ---------------------------------------------------------------------------------------
+ /** @def aiProcessPreset_TargetRealtime_MaxQuality
+  *  @brief Default postprocess configuration optimizing the data for real-time rendering.
+  *
+  *  This preset enables almost every optimization step to achieve perfectly
+  *  optimized data. It's your choice for level editor environments where import speed
+  *  is not important.
+  *
+  *  If you're using DirectX, don't forget to combine this value with
+  *  the #aiProcess_ConvertToLeftHanded step. If you don't support UV transformations
+  *  in your application, apply the #aiProcess_TransformUVCoords step, too.
+  *  @note Please take the time to read the docs for the steps enabled by this preset.
+  *  Some of them offer further configurable properties, while some of them might not be
+  *  of use for you so it might be better to not specify them.
+  */
+#define aiProcessPreset_TargetRealtime_MaxQuality ( \
+    aiProcessPreset_TargetRealtime_Quality   |  \
+    aiProcess_FindInstances                  |  \
+    aiProcess_ValidateDataStructure          |  \
+    aiProcess_OptimizeMeshes                 |  \
+    0 )
+
+
+#ifdef __cplusplus
+} // end of extern "C"
+#endif
+
+#endif // AI_POSTPROCESS_H_INC
diff --git a/thirdparty/assimp/include/assimp/qnan.h b/thirdparty/assimp/include/assimp/qnan.h
new file mode 100644
index 0000000000..0918bde5e7
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/qnan.h
@@ -0,0 +1,165 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/**  @file  qnan.h
+ *   @brief Some utilities for our dealings with qnans.
+ *
+ *   @note Some loaders use qnans to mark invalid values tempoarily, also
+ *     Assimp explicitly enforces undefined normals to be set to qnan.
+ *     qnan utilities are available in standard libraries (C99 for example)
+ *     but last time I checked compiler coverage was so bad that I decided
+ *     to reinvent the wheel.
+ */
+
+#ifndef AI_QNAN_H_INCLUDED
+#define AI_QNAN_H_INCLUDED
+
+#include <assimp/defs.h>
+#include <limits>
+#include <stdint.h>
+
+// ---------------------------------------------------------------------------
+/** Data structure to represent the bit pattern of a 32 Bit
+ *         IEEE 754 floating-point number. */
+union _IEEESingle
+{
+    float Float;
+    struct
+    {
+        uint32_t Frac : 23;
+        uint32_t Exp  : 8;
+        uint32_t Sign : 1;
+    } IEEE;
+};
+
+// ---------------------------------------------------------------------------
+/** Data structure to represent the bit pattern of a 64 Bit
+ *         IEEE 754 floating-point number. */
+union _IEEEDouble
+{
+    double Double;
+    struct
+    {
+        uint64_t Frac : 52;
+        uint64_t Exp  : 11;
+        uint64_t Sign : 1;
+    } IEEE;
+};
+
+// ---------------------------------------------------------------------------
+/** Check whether a given float is qNaN.
+ *  @param in Input value */
+AI_FORCE_INLINE bool is_qnan(float in)
+{
+    // the straightforward solution does not work:
+    //   return (in != in);
+    // compiler generates code like this
+    //   load <in> to <register-with-different-width>
+    //   compare <register-with-different-width> against <in>
+
+    // FIXME: Use <float> stuff instead? I think fpclassify needs C99
+    _IEEESingle temp;
+    memcpy(&temp, &in, sizeof(float));
+    return (temp.IEEE.Exp == (1u << 8)-1 &&
+        temp.IEEE.Frac);
+}
+
+// ---------------------------------------------------------------------------
+/** Check whether a given double is qNaN.
+ *  @param in Input value */
+AI_FORCE_INLINE bool is_qnan(double in)
+{
+    // the straightforward solution does not work:
+    //   return (in != in);
+    // compiler generates code like this
+    //   load <in> to <register-with-different-width>
+    //   compare <register-with-different-width> against <in>
+
+    // FIXME: Use <float> stuff instead? I think fpclassify needs C99
+    _IEEEDouble temp;
+    memcpy(&temp, &in, sizeof(in));
+    return (temp.IEEE.Exp == (1u << 11)-1 &&
+        temp.IEEE.Frac);
+}
+
+// ---------------------------------------------------------------------------
+/** @brief check whether a float is either NaN or (+/-) INF.
+ *
+ *  Denorms return false, they're treated like normal values.
+ *  @param in Input value */
+AI_FORCE_INLINE bool is_special_float(float in)
+{
+    _IEEESingle temp;
+    memcpy(&temp, &in, sizeof(float));
+    return (temp.IEEE.Exp == (1u << 8)-1);
+}
+
+// ---------------------------------------------------------------------------
+/** @brief check whether a double is either NaN or (+/-) INF.
+ *
+ *  Denorms return false, they're treated like normal values.
+ *  @param in Input value */
+AI_FORCE_INLINE bool is_special_float(double in)
+{
+   _IEEESingle temp;
+    memcpy(&temp, &in, sizeof(float));
+    return (temp.IEEE.Exp == (1u << 11)-1);
+}
+
+// ---------------------------------------------------------------------------
+/** Check whether a float is NOT qNaN.
+ *  @param in Input value */
+template<class TReal>
+AI_FORCE_INLINE bool is_not_qnan(TReal in)
+{
+    return !is_qnan(in);
+}
+
+// ---------------------------------------------------------------------------
+/** @brief Get a fresh qnan.  */
+AI_FORCE_INLINE ai_real get_qnan()
+{
+    return std::numeric_limits<ai_real>::quiet_NaN();
+}
+
+#endif // !! AI_QNAN_H_INCLUDED
diff --git a/thirdparty/assimp/include/assimp/quaternion.h b/thirdparty/assimp/include/assimp/quaternion.h
new file mode 100644
index 0000000000..96574d24b9
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/quaternion.h
@@ -0,0 +1,130 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file quaternion.h
+ *  @brief Quaternion structure, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_QUATERNION_H_INC
+#define AI_QUATERNION_H_INC
+
+#ifdef __cplusplus
+
+#include "defs.h"
+
+template <typename TReal> class aiVector3t;
+template <typename TReal> class aiMatrix3x3t;
+
+// ---------------------------------------------------------------------------
+/** Represents a quaternion in a 4D vector. */
+template <typename TReal>
+class aiQuaterniont
+{
+public:
+    aiQuaterniont() AI_NO_EXCEPT : w(1.0), x(), y(), z() {}
+    aiQuaterniont(TReal pw, TReal px, TReal py, TReal pz)
+        : w(pw), x(px), y(py), z(pz) {}
+
+    /** Construct from rotation matrix. Result is undefined if the matrix is not orthonormal. */
+    explicit aiQuaterniont( const aiMatrix3x3t<TReal>& pRotMatrix);
+
+    /** Construct from euler angles */
+    aiQuaterniont( TReal rotx, TReal roty, TReal rotz);
+
+    /** Construct from an axis-angle pair */
+    aiQuaterniont( aiVector3t<TReal> axis, TReal angle);
+
+    /** Construct from a normalized quaternion stored in a vec3 */
+    explicit aiQuaterniont( aiVector3t<TReal> normalized);
+
+    /** Returns a matrix representation of the quaternion */
+    aiMatrix3x3t<TReal> GetMatrix() const;
+
+public:
+
+    bool operator== (const aiQuaterniont& o) const;
+    bool operator!= (const aiQuaterniont& o) const;
+
+    bool Equal(const aiQuaterniont& o, TReal epsilon = 1e-6) const;
+
+public:
+
+    /** Normalize the quaternion */
+    aiQuaterniont& Normalize();
+
+    /** Compute quaternion conjugate */
+    aiQuaterniont& Conjugate ();
+
+    /** Rotate a point by this quaternion */
+    aiVector3t<TReal> Rotate (const aiVector3t<TReal>& in);
+
+    /** Multiply two quaternions */
+    aiQuaterniont operator* (const aiQuaterniont& two) const;
+
+public:
+
+    /** Performs a spherical interpolation between two quaternions and writes the result into the third.
+     * @param pOut Target object to received the interpolated rotation.
+     * @param pStart Start rotation of the interpolation at factor == 0.
+     * @param pEnd End rotation, factor == 1.
+     * @param pFactor Interpolation factor between 0 and 1. Values outside of this range yield undefined results.
+     */
+    static void Interpolate( aiQuaterniont& pOut, const aiQuaterniont& pStart,
+        const aiQuaterniont& pEnd, TReal pFactor);
+
+public:
+
+    //! w,x,y,z components of the quaternion
+    TReal w, x, y, z;
+} ;
+
+typedef aiQuaterniont<ai_real> aiQuaternion;
+
+#else
+
+struct aiQuaternion {
+    ai_real w, x, y, z;
+};
+
+#endif
+
+#endif // AI_QUATERNION_H_INC
diff --git a/thirdparty/assimp/include/assimp/quaternion.inl b/thirdparty/assimp/include/assimp/quaternion.inl
new file mode 100644
index 0000000000..c26648215e
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/quaternion.inl
@@ -0,0 +1,286 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  quaternion.inl
+ *  @brief Inline implementation of aiQuaterniont<TReal> operators
+ */
+#pragma once
+#ifndef AI_QUATERNION_INL_INC
+#define AI_QUATERNION_INL_INC
+
+#ifdef __cplusplus
+#include "quaternion.h"
+
+#include <cmath>
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+bool aiQuaterniont<TReal>::operator== (const aiQuaterniont& o) const
+{
+    return x == o.x && y == o.y && z == o.z && w == o.w;
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+bool aiQuaterniont<TReal>::operator!= (const aiQuaterniont& o) const
+{
+    return !(*this == o);
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline bool aiQuaterniont<TReal>::Equal(const aiQuaterniont& o, TReal epsilon) const {
+    return
+        std::abs(x - o.x) <= epsilon &&
+        std::abs(y - o.y) <= epsilon &&
+        std::abs(z - o.z) <= epsilon &&
+        std::abs(w - o.w) <= epsilon;
+}
+
+// ---------------------------------------------------------------------------
+// Constructs a quaternion from a rotation matrix
+template<typename TReal>
+inline aiQuaterniont<TReal>::aiQuaterniont( const aiMatrix3x3t<TReal> &pRotMatrix)
+{
+    TReal t = pRotMatrix.a1 + pRotMatrix.b2 + pRotMatrix.c3;
+
+    // large enough
+    if( t > static_cast<TReal>(0))
+    {
+        TReal s = std::sqrt(1 + t) * static_cast<TReal>(2.0);
+        x = (pRotMatrix.c2 - pRotMatrix.b3) / s;
+        y = (pRotMatrix.a3 - pRotMatrix.c1) / s;
+        z = (pRotMatrix.b1 - pRotMatrix.a2) / s;
+        w = static_cast<TReal>(0.25) * s;
+    } // else we have to check several cases
+    else if( pRotMatrix.a1 > pRotMatrix.b2 && pRotMatrix.a1 > pRotMatrix.c3 )
+    {
+        // Column 0:
+        TReal s = std::sqrt( static_cast<TReal>(1.0) + pRotMatrix.a1 - pRotMatrix.b2 - pRotMatrix.c3) * static_cast<TReal>(2.0);
+        x = static_cast<TReal>(0.25) * s;
+        y = (pRotMatrix.b1 + pRotMatrix.a2) / s;
+        z = (pRotMatrix.a3 + pRotMatrix.c1) / s;
+        w = (pRotMatrix.c2 - pRotMatrix.b3) / s;
+    }
+    else if( pRotMatrix.b2 > pRotMatrix.c3)
+    {
+        // Column 1:
+        TReal s = std::sqrt( static_cast<TReal>(1.0) + pRotMatrix.b2 - pRotMatrix.a1 - pRotMatrix.c3) * static_cast<TReal>(2.0);
+        x = (pRotMatrix.b1 + pRotMatrix.a2) / s;
+        y = static_cast<TReal>(0.25) * s;
+        z = (pRotMatrix.c2 + pRotMatrix.b3) / s;
+        w = (pRotMatrix.a3 - pRotMatrix.c1) / s;
+    } else
+    {
+        // Column 2:
+        TReal s = std::sqrt( static_cast<TReal>(1.0) + pRotMatrix.c3 - pRotMatrix.a1 - pRotMatrix.b2) * static_cast<TReal>(2.0);
+        x = (pRotMatrix.a3 + pRotMatrix.c1) / s;
+        y = (pRotMatrix.c2 + pRotMatrix.b3) / s;
+        z = static_cast<TReal>(0.25) * s;
+        w = (pRotMatrix.b1 - pRotMatrix.a2) / s;
+    }
+}
+
+// ---------------------------------------------------------------------------
+// Construction from euler angles
+template<typename TReal>
+inline aiQuaterniont<TReal>::aiQuaterniont( TReal fPitch, TReal fYaw, TReal fRoll )
+{
+    const TReal fSinPitch(std::sin(fPitch*static_cast<TReal>(0.5)));
+    const TReal fCosPitch(std::cos(fPitch*static_cast<TReal>(0.5)));
+    const TReal fSinYaw(std::sin(fYaw*static_cast<TReal>(0.5)));
+    const TReal fCosYaw(std::cos(fYaw*static_cast<TReal>(0.5)));
+    const TReal fSinRoll(std::sin(fRoll*static_cast<TReal>(0.5)));
+    const TReal fCosRoll(std::cos(fRoll*static_cast<TReal>(0.5)));
+    const TReal fCosPitchCosYaw(fCosPitch*fCosYaw);
+    const TReal fSinPitchSinYaw(fSinPitch*fSinYaw);
+    x = fSinRoll * fCosPitchCosYaw     - fCosRoll * fSinPitchSinYaw;
+    y = fCosRoll * fSinPitch * fCosYaw + fSinRoll * fCosPitch * fSinYaw;
+    z = fCosRoll * fCosPitch * fSinYaw - fSinRoll * fSinPitch * fCosYaw;
+    w = fCosRoll * fCosPitchCosYaw     + fSinRoll * fSinPitchSinYaw;
+}
+
+// ---------------------------------------------------------------------------
+// Returns a matrix representation of the quaternion
+template<typename TReal>
+inline aiMatrix3x3t<TReal> aiQuaterniont<TReal>::GetMatrix() const
+{
+    aiMatrix3x3t<TReal> resMatrix;
+    resMatrix.a1 = static_cast<TReal>(1.0) - static_cast<TReal>(2.0) * (y * y + z * z);
+    resMatrix.a2 = static_cast<TReal>(2.0) * (x * y - z * w);
+    resMatrix.a3 = static_cast<TReal>(2.0) * (x * z + y * w);
+    resMatrix.b1 = static_cast<TReal>(2.0) * (x * y + z * w);
+    resMatrix.b2 = static_cast<TReal>(1.0) - static_cast<TReal>(2.0) * (x * x + z * z);
+    resMatrix.b3 = static_cast<TReal>(2.0) * (y * z - x * w);
+    resMatrix.c1 = static_cast<TReal>(2.0) * (x * z - y * w);
+    resMatrix.c2 = static_cast<TReal>(2.0) * (y * z + x * w);
+    resMatrix.c3 = static_cast<TReal>(1.0) - static_cast<TReal>(2.0) * (x * x + y * y);
+
+    return resMatrix;
+}
+
+// ---------------------------------------------------------------------------
+// Construction from an axis-angle pair
+template<typename TReal>
+inline aiQuaterniont<TReal>::aiQuaterniont( aiVector3t<TReal> axis, TReal angle)
+{
+    axis.Normalize();
+
+    const TReal sin_a = std::sin( angle / 2 );
+    const TReal cos_a = std::cos( angle / 2 );
+    x    = axis.x * sin_a;
+    y    = axis.y * sin_a;
+    z    = axis.z * sin_a;
+    w    = cos_a;
+}
+// ---------------------------------------------------------------------------
+// Construction from am existing, normalized quaternion
+template<typename TReal>
+inline aiQuaterniont<TReal>::aiQuaterniont( aiVector3t<TReal> normalized)
+{
+    x = normalized.x;
+    y = normalized.y;
+    z = normalized.z;
+
+    const TReal t = static_cast<TReal>(1.0) - (x*x) - (y*y) - (z*z);
+
+    if (t < static_cast<TReal>(0.0)) {
+        w = static_cast<TReal>(0.0);
+    }
+    else w = std::sqrt (t);
+}
+
+// ---------------------------------------------------------------------------
+// Performs a spherical interpolation between two quaternions
+// Implementation adopted from the gmtl project. All others I found on the net fail in some cases.
+// Congrats, gmtl!
+template<typename TReal>
+inline void aiQuaterniont<TReal>::Interpolate( aiQuaterniont& pOut, const aiQuaterniont& pStart, const aiQuaterniont& pEnd, TReal pFactor)
+{
+    // calc cosine theta
+    TReal cosom = pStart.x * pEnd.x + pStart.y * pEnd.y + pStart.z * pEnd.z + pStart.w * pEnd.w;
+
+    // adjust signs (if necessary)
+    aiQuaterniont end = pEnd;
+    if( cosom < static_cast<TReal>(0.0))
+    {
+        cosom = -cosom;
+        end.x = -end.x;   // Reverse all signs
+        end.y = -end.y;
+        end.z = -end.z;
+        end.w = -end.w;
+    }
+
+    // Calculate coefficients
+    TReal sclp, sclq;
+    if( (static_cast<TReal>(1.0) - cosom) > static_cast<TReal>(0.0001)) // 0.0001 -> some epsillon
+    {
+        // Standard case (slerp)
+        TReal omega, sinom;
+        omega = std::acos( cosom); // extract theta from dot product's cos theta
+        sinom = std::sin( omega);
+        sclp  = std::sin( (static_cast<TReal>(1.0) - pFactor) * omega) / sinom;
+        sclq  = std::sin( pFactor * omega) / sinom;
+    } else
+    {
+        // Very close, do linear interp (because it's faster)
+        sclp = static_cast<TReal>(1.0) - pFactor;
+        sclq = pFactor;
+    }
+
+    pOut.x = sclp * pStart.x + sclq * end.x;
+    pOut.y = sclp * pStart.y + sclq * end.y;
+    pOut.z = sclp * pStart.z + sclq * end.z;
+    pOut.w = sclp * pStart.w + sclq * end.w;
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline aiQuaterniont<TReal>& aiQuaterniont<TReal>::Normalize()
+{
+    // compute the magnitude and divide through it
+    const TReal mag = std::sqrt(x*x + y*y + z*z + w*w);
+    if (mag)
+    {
+        const TReal invMag = static_cast<TReal>(1.0)/mag;
+        x *= invMag;
+        y *= invMag;
+        z *= invMag;
+        w *= invMag;
+    }
+    return *this;
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline aiQuaterniont<TReal> aiQuaterniont<TReal>::operator* (const aiQuaterniont& t) const
+{
+    return aiQuaterniont(w*t.w - x*t.x - y*t.y - z*t.z,
+        w*t.x + x*t.w + y*t.z - z*t.y,
+        w*t.y + y*t.w + z*t.x - x*t.z,
+        w*t.z + z*t.w + x*t.y - y*t.x);
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline aiQuaterniont<TReal>& aiQuaterniont<TReal>::Conjugate ()
+{
+    x = -x;
+    y = -y;
+    z = -z;
+    return *this;
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline aiVector3t<TReal> aiQuaterniont<TReal>::Rotate (const aiVector3t<TReal>& v)
+{
+    aiQuaterniont q2(0.f,v.x,v.y,v.z), q = *this, qinv = q;
+    qinv.Conjugate();
+
+    q = q*q2*qinv;
+    return aiVector3t<TReal>(q.x,q.y,q.z);
+}
+
+#endif
+#endif // AI_QUATERNION_INL_INC
diff --git a/thirdparty/assimp/include/assimp/scene.h b/thirdparty/assimp/include/assimp/scene.h
new file mode 100644
index 0000000000..de0239702d
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/scene.h
@@ -0,0 +1,416 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file scene.h
+ *  @brief Defines the data structures in which the imported scene is returned.
+ */
+#pragma once
+#ifndef AI_SCENE_H_INC
+#define AI_SCENE_H_INC
+
+#include "types.h"
+#include "texture.h"
+#include "mesh.h"
+#include "light.h"
+#include "camera.h"
+#include "material.h"
+#include "anim.h"
+#include "metadata.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wattributes"
+#endif
+
+// -------------------------------------------------------------------------------
+/** 
+ * A node in the imported hierarchy.
+ *
+ * Each node has name, a parent node (except for the root node),
+ * a transformation relative to its parent and possibly several child nodes.
+ * Simple file formats don't support hierarchical structures - for these formats
+ * the imported scene does consist of only a single root node without children.
+ */
+// -------------------------------------------------------------------------------
+struct ASSIMP_API aiNode
+{
+    /** The name of the node.
+     *
+     * The name might be empty (length of zero) but all nodes which
+     * need to be referenced by either bones or animations are named.
+     * Multiple nodes may have the same name, except for nodes which are referenced
+     * by bones (see #aiBone and #aiMesh::mBones). Their names *must* be unique.
+     *
+     * Cameras and lights reference a specific node by name - if there
+     * are multiple nodes with this name, they are assigned to each of them.
+     * <br>
+     * There are no limitations with regard to the characters contained in
+     * the name string as it is usually taken directly from the source file.
+     *
+     * Implementations should be able to handle tokens such as whitespace, tabs,
+     * line feeds, quotation marks, ampersands etc.
+     *
+     * Sometimes assimp introduces new nodes not present in the source file
+     * into the hierarchy (usually out of necessity because sometimes the
+     * source hierarchy format is simply not compatible). Their names are
+     * surrounded by @verbatim <> @endverbatim e.g.
+     *  @verbatim<DummyRootNode> @endverbatim.
+     */
+    C_STRUCT aiString mName;
+
+    /** The transformation relative to the node's parent. */
+    C_STRUCT aiMatrix4x4 mTransformation;
+
+    /** Parent node. NULL if this node is the root node. */
+    C_STRUCT aiNode* mParent;
+
+    /** The number of child nodes of this node. */
+    unsigned int mNumChildren;
+
+    /** The child nodes of this node. NULL if mNumChildren is 0. */
+    C_STRUCT aiNode** mChildren;
+
+    /** The number of meshes of this node. */
+    unsigned int mNumMeshes;
+
+    /** The meshes of this node. Each entry is an index into the
+      * mesh list of the #aiScene.
+      */
+    unsigned int* mMeshes;
+
+    /** Metadata associated with this node or NULL if there is no metadata.
+      *  Whether any metadata is generated depends on the source file format. See the
+      * @link importer_notes @endlink page for more information on every source file
+      * format. Importers that don't document any metadata don't write any.
+      */
+    C_STRUCT aiMetadata* mMetaData;
+
+#ifdef __cplusplus
+    /** Constructor */
+    aiNode();
+
+    /** Construction from a specific name */
+    explicit aiNode(const std::string& name);
+
+    /** Destructor */
+    ~aiNode();
+
+    /** Searches for a node with a specific name, beginning at this
+     *  nodes. Normally you will call this method on the root node
+     *  of the scene.
+     *
+     *  @param name Name to search for
+     *  @return NULL or a valid Node if the search was successful.
+     */
+    inline 
+    const aiNode* FindNode(const aiString& name) const {
+        return FindNode(name.data);
+    }
+
+    inline 
+    aiNode* FindNode(const aiString& name) {
+        return FindNode(name.data);
+    }
+
+    const aiNode* FindNode(const char* name) const;
+
+    aiNode* FindNode(const char* name);
+
+    /**
+     * @brief   Will add new children.
+     * @param   numChildren  Number of children to add.
+     * @param   children     The array with pointers showing to the children.
+     */
+    void addChildren(unsigned int numChildren, aiNode **children);
+#endif // __cplusplus
+};
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+// -------------------------------------------------------------------------------
+/**
+ * Specifies that the scene data structure that was imported is not complete.
+ * This flag bypasses some internal validations and allows the import
+ * of animation skeletons, material libraries or camera animation paths
+ * using Assimp. Most applications won't support such data.
+ */
+#define AI_SCENE_FLAGS_INCOMPLETE   0x1
+
+/**
+ * This flag is set by the validation postprocess-step (aiPostProcess_ValidateDS)
+ * if the validation is successful. In a validated scene you can be sure that
+ * any cross references in the data structure (e.g. vertex indices) are valid.
+ */
+#define AI_SCENE_FLAGS_VALIDATED    0x2
+
+/**
+ * This flag is set by the validation postprocess-step (aiPostProcess_ValidateDS)
+ * if the validation is successful but some issues have been found.
+ * This can for example mean that a texture that does not exist is referenced
+ * by a material or that the bone weights for a vertex don't sum to 1.0 ... .
+ * In most cases you should still be able to use the import. This flag could
+ * be useful for applications which don't capture Assimp's log output.
+ */
+#define AI_SCENE_FLAGS_VALIDATION_WARNING   0x4
+
+/**
+ * This flag is currently only set by the aiProcess_JoinIdenticalVertices step.
+ * It indicates that the vertices of the output meshes aren't in the internal
+ * verbose format anymore. In the verbose format all vertices are unique,
+ * no vertex is ever referenced by more than one face.
+ */
+#define AI_SCENE_FLAGS_NON_VERBOSE_FORMAT   0x8
+
+ /**
+ * Denotes pure height-map terrain data. Pure terrains usually consist of quads,
+ * sometimes triangles, in a regular grid. The x,y coordinates of all vertex
+ * positions refer to the x,y coordinates on the terrain height map, the z-axis
+ * stores the elevation at a specific point.
+ *
+ * TER (Terragen) and HMP (3D Game Studio) are height map formats.
+ * @note Assimp is probably not the best choice for loading *huge* terrains -
+ * fully triangulated data takes extremely much free store and should be avoided
+ * as long as possible (typically you'll do the triangulation when you actually
+ * need to render it).
+ */
+#define AI_SCENE_FLAGS_TERRAIN 0x10
+
+ /**
+ * Specifies that the scene data can be shared between structures. For example:
+ * one vertex in few faces. \ref AI_SCENE_FLAGS_NON_VERBOSE_FORMAT can not be
+ * used for this because \ref AI_SCENE_FLAGS_NON_VERBOSE_FORMAT has internal
+ * meaning about postprocessing steps.
+ */
+#define AI_SCENE_FLAGS_ALLOW_SHARED			0x20
+
+// -------------------------------------------------------------------------------
+/** The root structure of the imported data.
+ *
+ *  Everything that was imported from the given file can be accessed from here.
+ *  Objects of this class are generally maintained and owned by Assimp, not
+ *  by the caller. You shouldn't want to instance it, nor should you ever try to
+ *  delete a given scene on your own.
+ */
+// -------------------------------------------------------------------------------
+struct aiScene
+{
+    /** Any combination of the AI_SCENE_FLAGS_XXX flags. By default
+    * this value is 0, no flags are set. Most applications will
+    * want to reject all scenes with the AI_SCENE_FLAGS_INCOMPLETE
+    * bit set.
+    */
+    unsigned int mFlags;
+
+    /** The root node of the hierarchy.
+    *
+    * There will always be at least the root node if the import
+    * was successful (and no special flags have been set).
+    * Presence of further nodes depends on the format and content
+    * of the imported file.
+    */
+    C_STRUCT aiNode* mRootNode;
+
+    /** The number of meshes in the scene. */
+    unsigned int mNumMeshes;
+
+    /** The array of meshes.
+    *
+    * Use the indices given in the aiNode structure to access
+    * this array. The array is mNumMeshes in size. If the
+    * AI_SCENE_FLAGS_INCOMPLETE flag is not set there will always
+    * be at least ONE material.
+    */
+    C_STRUCT aiMesh** mMeshes;
+
+    /** The number of materials in the scene. */
+    unsigned int mNumMaterials;
+
+    /** The array of materials.
+    *
+    * Use the index given in each aiMesh structure to access this
+    * array. The array is mNumMaterials in size. If the
+    * AI_SCENE_FLAGS_INCOMPLETE flag is not set there will always
+    * be at least ONE material.
+    */
+    C_STRUCT aiMaterial** mMaterials;
+
+    /** The number of animations in the scene. */
+    unsigned int mNumAnimations;
+
+    /** The array of animations.
+    *
+    * All animations imported from the given file are listed here.
+    * The array is mNumAnimations in size.
+    */
+    C_STRUCT aiAnimation** mAnimations;
+
+    /** The number of textures embedded into the file */
+    unsigned int mNumTextures;
+
+    /** The array of embedded textures.
+    *
+    * Not many file formats embed their textures into the file.
+    * An example is Quake's MDL format (which is also used by
+    * some GameStudio versions)
+    */
+    C_STRUCT aiTexture** mTextures;
+
+    /** The number of light sources in the scene. Light sources
+    * are fully optional, in most cases this attribute will be 0
+        */
+    unsigned int mNumLights;
+
+    /** The array of light sources.
+    *
+    * All light sources imported from the given file are
+    * listed here. The array is mNumLights in size.
+    */
+    C_STRUCT aiLight** mLights;
+
+    /** The number of cameras in the scene. Cameras
+    * are fully optional, in most cases this attribute will be 0
+        */
+    unsigned int mNumCameras;
+
+    /** The array of cameras.
+    *
+    * All cameras imported from the given file are listed here.
+    * The array is mNumCameras in size. The first camera in the
+    * array (if existing) is the default camera view into
+    * the scene.
+    */
+    C_STRUCT aiCamera** mCameras;
+
+    /**
+     *  @brief  The global metadata assigned to the scene itself.
+     *
+     *  This data contains global metadata which belongs to the scene like 
+     *  unit-conversions, versions, vendors or other model-specific data. This 
+     *  can be used to store format-specific metadata as well.
+     */
+    C_STRUCT aiMetadata* mMetaData;
+
+
+#ifdef __cplusplus
+
+    //! Default constructor - set everything to 0/NULL
+    ASSIMP_API aiScene();
+
+    //! Destructor
+    ASSIMP_API ~aiScene();
+
+    //! Check whether the scene contains meshes
+    //! Unless no special scene flags are set this will always be true.
+    inline bool HasMeshes() const { 
+        return mMeshes != NULL && mNumMeshes > 0; 
+    }
+
+    //! Check whether the scene contains materials
+    //! Unless no special scene flags are set this will always be true.
+    inline bool HasMaterials() const { 
+        return mMaterials != NULL && mNumMaterials > 0; 
+    }
+
+    //! Check whether the scene contains lights
+    inline bool HasLights() const { 
+        return mLights != NULL && mNumLights > 0; 
+    }
+
+    //! Check whether the scene contains textures
+    inline bool HasTextures() const {
+        return mTextures != NULL && mNumTextures > 0; 
+    }
+
+    //! Check whether the scene contains cameras
+    inline bool HasCameras() const {
+        return mCameras != NULL && mNumCameras > 0; 
+    }
+
+    //! Check whether the scene contains animations
+    inline bool HasAnimations() const { 
+        return mAnimations != NULL && mNumAnimations > 0; 
+    }
+
+    //! Returns a short filename from a full path
+    static const char* GetShortFilename(const char* filename) {
+        const char* lastSlash = strrchr(filename, '/');
+        if (lastSlash == nullptr) {
+            lastSlash = strrchr(filename, '\\');
+        }
+        const char* shortFilename = lastSlash != nullptr ? lastSlash + 1 : filename;
+        return shortFilename;
+    }
+
+    //! Returns an embedded texture
+    const aiTexture* GetEmbeddedTexture(const char* filename) const {
+        const char* shortFilename = GetShortFilename(filename);
+        for (unsigned int i = 0; i < mNumTextures; i++) {
+            const char* shortTextureFilename = GetShortFilename(mTextures[i]->mFilename.C_Str());
+            if (strcmp(shortTextureFilename, shortFilename) == 0) {
+                return mTextures[i];
+            }
+        }
+        return nullptr;
+    }
+#endif // __cplusplus
+
+    /**  Internal data, do not touch */
+#ifdef __cplusplus
+    void* mPrivate;
+#else
+    char* mPrivate;
+#endif
+
+};
+
+#ifdef __cplusplus
+} //! namespace Assimp
+#endif
+
+#endif // AI_SCENE_H_INC
diff --git a/thirdparty/assimp/include/assimp/texture.h b/thirdparty/assimp/include/assimp/texture.h
new file mode 100644
index 0000000000..dc6cbef65c
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/texture.h
@@ -0,0 +1,227 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file texture.h
+ *  @brief Defines texture helper structures for the library
+ *
+ * Used for file formats which embed their textures into the model file.
+ * Supported are both normal textures, which are stored as uncompressed
+ * pixels, and "compressed" textures, which are stored in a file format
+ * such as PNG or TGA.
+ */
+#pragma once
+#ifndef AI_TEXTURE_H_INC
+#define AI_TEXTURE_H_INC
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+// --------------------------------------------------------------------------------
+
+/** \def AI_EMBEDDED_TEXNAME_PREFIX
+ * \ref AI_MAKE_EMBEDDED_TEXNAME
+ */
+#ifndef AI_EMBEDDED_TEXNAME_PREFIX
+#   define AI_EMBEDDED_TEXNAME_PREFIX	"*"
+#endif
+
+/** @def AI_MAKE_EMBEDDED_TEXNAME
+ *  Used to build the reserved path name used by the material system to
+ *  reference textures that are embedded into their corresponding
+ *  model files. The parameter specifies the index of the texture
+ *  (zero-based, in the aiScene::mTextures array)
+ */
+#if (!defined AI_MAKE_EMBEDDED_TEXNAME)
+#   define AI_MAKE_EMBEDDED_TEXNAME(_n_) AI_EMBEDDED_TEXNAME_PREFIX # _n_
+#endif
+
+
+#include "./Compiler/pushpack1.h"
+
+// --------------------------------------------------------------------------------
+/** @brief Helper structure to represent a texel in a ARGB8888 format
+*
+*  Used by aiTexture.
+*/
+struct aiTexel
+{
+    unsigned char b,g,r,a;
+
+#ifdef __cplusplus
+    //! Comparison operator
+    bool operator== (const aiTexel& other) const
+    {
+        return b == other.b && r == other.r &&
+               g == other.g && a == other.a;
+    }
+
+    //! Inverse comparison operator
+    bool operator!= (const aiTexel& other) const
+    {
+        return b != other.b || r != other.r ||
+               g != other.g || a != other.a;
+    }
+
+    //! Conversion to a floating-point 4d color
+    operator aiColor4D() const
+    {
+        return aiColor4D(r/255.f,g/255.f,b/255.f,a/255.f);
+    }
+#endif // __cplusplus
+
+} PACK_STRUCT;
+
+#include "./Compiler/poppack1.h"
+
+#define HINTMAXTEXTURELEN 9
+
+// --------------------------------------------------------------------------------
+/** Helper structure to describe an embedded texture
+ *
+ * Normally textures are contained in external files but some file formats embed
+ * them directly in the model file. There are two types of embedded textures:
+ * 1. Uncompressed textures. The color data is given in an uncompressed format.
+ * 2. Compressed textures stored in a file format like png or jpg. The raw file
+ * bytes are given so the application must utilize an image decoder (e.g. DevIL) to
+ * get access to the actual color data.
+ *
+ * Embedded textures are referenced from materials using strings like "*0", "*1", etc.
+ * as the texture paths (a single asterisk character followed by the
+ * zero-based index of the texture in the aiScene::mTextures array).
+ */
+struct aiTexture {
+    /** Width of the texture, in pixels
+     *
+     * If mHeight is zero the texture is compressed in a format
+     * like JPEG. In this case mWidth specifies the size of the
+     * memory area pcData is pointing to, in bytes.
+     */
+    unsigned int mWidth;
+
+    /** Height of the texture, in pixels
+     *
+     * If this value is zero, pcData points to an compressed texture
+     * in any format (e.g. JPEG).
+     */
+    unsigned int mHeight;
+
+    /** A hint from the loader to make it easier for applications
+     *  to determine the type of embedded textures.
+     *
+     * If mHeight != 0 this member is show how data is packed. Hint will consist of
+     * two parts: channel order and channel bitness (count of the bits for every
+     * color channel). For simple parsing by the viewer it's better to not omit
+     * absent color channel and just use 0 for bitness. For example:
+     * 1. Image contain RGBA and 8 bit per channel, achFormatHint == "rgba8888";
+     * 2. Image contain ARGB and 8 bit per channel, achFormatHint == "argb8888";
+     * 3. Image contain RGB and 5 bit for R and B channels and 6 bit for G channel, achFormatHint == "rgba5650";
+     * 4. One color image with B channel and 1 bit for it, achFormatHint == "rgba0010";
+     * If mHeight == 0 then achFormatHint is set set to '\\0\\0\\0\\0' if the loader has no additional
+     * information about the texture file format used OR the
+     * file extension of the format without a trailing dot. If there
+     * are multiple file extensions for a format, the shortest
+     * extension is chosen (JPEG maps to 'jpg', not to 'jpeg').
+     * E.g. 'dds\\0', 'pcx\\0', 'jpg\\0'.  All characters are lower-case.
+     * The fourth character will always be '\\0'.
+     */
+    char achFormatHint[ HINTMAXTEXTURELEN ];// 8 for string + 1 for terminator.
+
+    /** Data of the texture.
+     *
+     * Points to an array of mWidth * mHeight aiTexel's.
+     * The format of the texture data is always ARGB8888 to
+     * make the implementation for user of the library as easy
+     * as possible. If mHeight = 0 this is a pointer to a memory
+     * buffer of size mWidth containing the compressed texture
+     * data. Good luck, have fun!
+     */
+    C_STRUCT aiTexel* pcData;
+
+    /** Texture original filename
+    *
+    * Used to get the texture reference
+    */
+    C_STRUCT aiString mFilename;
+
+#ifdef __cplusplus
+
+    //! For compressed textures (mHeight == 0): compare the
+    //! format hint against a given string.
+    //! @param s Input string. 3 characters are maximally processed.
+    //!        Example values: "jpg", "png"
+    //! @return true if the given string matches the format hint
+    bool CheckFormat(const char* s) const {
+        if (nullptr == s) {
+            return false;
+        }
+
+		return (0 == ::strncmp(achFormatHint, s, sizeof(achFormatHint)));
+    }
+
+    // Construction
+    aiTexture() AI_NO_EXCEPT
+    : mWidth(0)
+    , mHeight(0)
+    , pcData(nullptr)
+    , mFilename() {
+        achFormatHint[0] = achFormatHint[1] = 0;
+        achFormatHint[2] = achFormatHint[3] = 0;
+    }
+
+    // Destruction
+    ~aiTexture () {
+        delete[] pcData;
+    }
+#endif
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // AI_TEXTURE_H_INC
diff --git a/thirdparty/assimp/include/assimp/types.h b/thirdparty/assimp/include/assimp/types.h
new file mode 100644
index 0000000000..748e4851f3
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/types.h
@@ -0,0 +1,529 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file types.h
+ *  Basic data types and primitives, such as vectors or colors.
+ */
+#pragma once
+#ifndef AI_TYPES_H_INC
+#define AI_TYPES_H_INC
+
+// Some runtime headers
+#include <sys/types.h>
+#include <stddef.h>
+#include <string.h>
+#include <limits.h>
+
+// Our compile configuration
+#include "defs.h"
+
+// Some types moved to separate header due to size of operators
+#include "vector3.h"
+#include "vector2.h"
+#include "color4.h"
+#include "matrix3x3.h"
+#include "matrix4x4.h"
+#include "quaternion.h"
+
+#ifdef __cplusplus
+#include <cstring>
+#include <new>      // for std::nothrow_t
+#include <string>   // for aiString::Set(const std::string&)
+
+namespace Assimp    {
+    //! @cond never
+namespace Intern        {
+    // --------------------------------------------------------------------
+    /** @brief Internal helper class to utilize our internal new/delete
+     *    routines for allocating object of this and derived classes.
+     *
+     * By doing this you can safely share class objects between Assimp
+     * and the application - it works even over DLL boundaries. A good
+     * example is the #IOSystem where the application allocates its custom
+     * #IOSystem, then calls #Importer::SetIOSystem(). When the Importer
+     * destructs, Assimp calls operator delete on the stored #IOSystem.
+     * If it lies on a different heap than Assimp is working with,
+     * the application is determined to crash.
+     */
+    // --------------------------------------------------------------------
+#ifndef SWIG
+    struct ASSIMP_API AllocateFromAssimpHeap    {
+        // http://www.gotw.ca/publications/mill15.htm
+
+        // new/delete overload
+        void *operator new    ( size_t num_bytes) /* throw( std::bad_alloc ) */;
+        void *operator new    ( size_t num_bytes, const std::nothrow_t& ) throw();
+        void  operator delete ( void* data);
+
+        // array new/delete overload
+        void *operator new[]    ( size_t num_bytes) /* throw( std::bad_alloc ) */;
+        void *operator new[]    ( size_t num_bytes, const std::nothrow_t& )  throw();
+        void  operator delete[] ( void* data);
+
+    }; // struct AllocateFromAssimpHeap
+#endif
+} // namespace Intern
+    //! @endcond
+} // namespace Assimp
+
+extern "C" {
+#endif
+
+/** Maximum dimension for strings, ASSIMP strings are zero terminated. */
+#ifdef __cplusplus
+    static const size_t MAXLEN = 1024;
+#else
+#   define MAXLEN 1024
+#endif
+
+// ----------------------------------------------------------------------------------
+/** Represents a plane in a three-dimensional, euclidean space
+*/
+struct aiPlane {
+#ifdef __cplusplus
+    aiPlane () AI_NO_EXCEPT : a(0.f), b(0.f), c(0.f), d(0.f) {}
+    aiPlane (ai_real _a, ai_real _b, ai_real _c, ai_real _d)
+        : a(_a), b(_b), c(_c), d(_d) {}
+
+    aiPlane (const aiPlane& o) : a(o.a), b(o.b), c(o.c), d(o.d) {}
+
+#endif // !__cplusplus
+
+    //! Plane equation
+    ai_real a,b,c,d;
+}; // !struct aiPlane
+
+// ----------------------------------------------------------------------------------
+/** Represents a ray
+*/
+struct aiRay {
+#ifdef __cplusplus
+    aiRay () AI_NO_EXCEPT {}
+    aiRay (const aiVector3D& _pos, const aiVector3D& _dir)
+        : pos(_pos), dir(_dir) {}
+
+    aiRay (const aiRay& o) : pos (o.pos), dir (o.dir) {}
+
+#endif // !__cplusplus
+
+    //! Position and direction of the ray
+    C_STRUCT aiVector3D pos, dir;
+}; // !struct aiRay
+
+// ----------------------------------------------------------------------------------
+/** Represents a color in Red-Green-Blue space.
+*/
+struct aiColor3D
+{
+#ifdef __cplusplus
+    aiColor3D () AI_NO_EXCEPT : r(0.0f), g(0.0f), b(0.0f) {}
+    aiColor3D (ai_real _r, ai_real _g, ai_real _b) : r(_r), g(_g), b(_b) {}
+    explicit aiColor3D (ai_real _r) : r(_r), g(_r), b(_r) {}
+    aiColor3D (const aiColor3D& o) : r(o.r), g(o.g), b(o.b) {}
+
+    /** Component-wise comparison */
+    // TODO: add epsilon?
+    bool operator == (const aiColor3D& other) const
+        {return r == other.r && g == other.g && b == other.b;}
+
+    /** Component-wise inverse comparison */
+    // TODO: add epsilon?
+    bool operator != (const aiColor3D& other) const
+        {return r != other.r || g != other.g || b != other.b;}
+
+    /** Component-wise comparison */
+    // TODO: add epsilon?
+    bool operator < (const aiColor3D& other) const {
+        return r < other.r || ( r == other.r && (g < other.g || (g == other.g && b < other.b ) ) );
+    }
+
+    /** Component-wise addition */
+    aiColor3D operator+(const aiColor3D& c) const {
+        return aiColor3D(r+c.r,g+c.g,b+c.b);
+    }
+
+    /** Component-wise subtraction */
+    aiColor3D operator-(const aiColor3D& c) const {
+        return aiColor3D(r-c.r,g-c.g,b-c.b);
+    }
+
+    /** Component-wise multiplication */
+    aiColor3D operator*(const aiColor3D& c) const {
+        return aiColor3D(r*c.r,g*c.g,b*c.b);
+    }
+
+    /** Multiply with a scalar */
+    aiColor3D operator*(ai_real f) const {
+        return aiColor3D(r*f,g*f,b*f);
+    }
+
+    /** Access a specific color component */
+    ai_real operator[](unsigned int i) const {
+        return *(&r + i);
+    }
+
+    /** Access a specific color component */
+    ai_real& operator[](unsigned int i) {
+        if ( 0 == i ) {
+            return r;
+        } else if ( 1 == i ) {
+            return g;
+        } else if ( 2 == i ) {
+            return b;
+        }
+        return r;
+    }
+
+    /** Check whether a color is black */
+    bool IsBlack() const {
+        static const ai_real epsilon = ai_real(10e-3);
+        return std::fabs( r ) < epsilon && std::fabs( g ) < epsilon && std::fabs( b ) < epsilon;
+    }
+
+#endif // !__cplusplus
+
+    //! Red, green and blue color values
+    ai_real r, g, b;
+};  // !struct aiColor3D
+
+// ----------------------------------------------------------------------------------
+/** Represents an UTF-8 string, zero byte terminated.
+ *
+ *  The character set of an aiString is explicitly defined to be UTF-8. This Unicode
+ *  transformation was chosen in the belief that most strings in 3d files are limited
+ *  to ASCII, thus the character set needed to be strictly ASCII compatible.
+ *
+ *  Most text file loaders provide proper Unicode input file handling, special unicode
+ *  characters are correctly transcoded to UTF8 and are kept throughout the libraries'
+ *  import pipeline.
+ *
+ *  For most applications, it will be absolutely sufficient to interpret the
+ *  aiString as ASCII data and work with it as one would work with a plain char*.
+ *  Windows users in need of proper support for i.e asian characters can use the
+ *  MultiByteToWideChar(), WideCharToMultiByte() WinAPI functionality to convert the
+ *  UTF-8 strings to their working character set (i.e. MBCS, WideChar).
+ *
+ *  We use this representation instead of std::string to be C-compatible. The
+ *  (binary) length of such a string is limited to MAXLEN characters (including the
+ *  the terminating zero).
+*/
+struct aiString
+{
+#ifdef __cplusplus
+    /** Default constructor, the string is set to have zero length */
+    aiString() AI_NO_EXCEPT
+    : length( 0 ) {
+        data[0] = '\0';
+
+#ifdef ASSIMP_BUILD_DEBUG
+        // Debug build: overwrite the string on its full length with ESC (27)
+        memset(data+1,27,MAXLEN-1);
+#endif
+    }
+
+    /** Copy constructor */
+    aiString(const aiString& rOther) :
+        length(rOther.length)
+    {
+        // Crop the string to the maximum length
+        length = length>=MAXLEN?MAXLEN-1:length;
+        memcpy( data, rOther.data, length);
+        data[length] = '\0';
+    }
+
+    /** Constructor from std::string */
+    explicit aiString(const std::string& pString) :
+        length(pString.length())
+    {
+        length = length>=MAXLEN?MAXLEN-1:length;
+        memcpy( data, pString.c_str(), length);
+        data[length] = '\0';
+    }
+
+    /** Copy a std::string to the aiString */
+    void Set( const std::string& pString) {
+        if( pString.length() > MAXLEN - 1) {
+            return;
+        }
+        length = pString.length();
+        memcpy( data, pString.c_str(), length);
+        data[length] = 0;
+    }
+
+    /** Copy a const char* to the aiString */
+    void Set( const char* sz) {
+        const size_t len = ::strlen(sz);
+        if( len > MAXLEN - 1) {
+            return;
+        }
+        length = len;
+        memcpy( data, sz, len);
+        data[len] = 0;
+    }
+
+
+    /** Assignment operator */
+    aiString& operator = (const aiString &rOther) {
+        if (this == &rOther) {
+            return *this;
+        }
+
+        length = rOther.length;;
+        memcpy( data, rOther.data, length);
+        data[length] = '\0';
+        return *this;
+    }
+
+
+    /** Assign a const char* to the string */
+    aiString& operator = (const char* sz) {
+        Set(sz);
+        return *this;
+    }
+
+    /** Assign a cstd::string to the string */
+    aiString& operator = ( const std::string& pString) {
+        Set(pString);
+        return *this;
+    }
+
+    /** Comparison operator */
+    bool operator==(const aiString& other) const {
+        return  (length == other.length && 0 == memcmp(data,other.data,length));
+    }
+
+    /** Inverse comparison operator */
+    bool operator!=(const aiString& other) const {
+        return  (length != other.length || 0 != memcmp(data,other.data,length));
+    }
+
+    /** Append a string to the string */
+    void Append (const char* app)   {
+        const size_t len = ::strlen(app);
+        if (!len) {
+            return;
+        }
+        if (length + len >= MAXLEN) {
+            return;
+        }
+
+        memcpy(&data[length],app,len+1);
+        length += len;
+    }
+
+    /** Clear the string - reset its length to zero */
+    void Clear ()   {
+        length  = 0;
+        data[0] = '\0';
+
+#ifdef ASSIMP_BUILD_DEBUG
+        // Debug build: overwrite the string on its full length with ESC (27)
+        memset(data+1,27,MAXLEN-1);
+#endif
+    }
+
+    /** Returns a pointer to the underlying zero-terminated array of characters */
+    const char* C_Str() const {
+        return data;
+    }
+
+#endif // !__cplusplus
+
+    /** Binary length of the string excluding the terminal 0. This is NOT the
+     *  logical length of strings containing UTF-8 multi-byte sequences! It's
+     *  the number of bytes from the beginning of the string to its end.*/
+    size_t length;
+
+    /** String buffer. Size limit is MAXLEN */
+    char data[MAXLEN];
+} ;  // !struct aiString
+
+
+// ----------------------------------------------------------------------------------
+/** Standard return type for some library functions.
+ * Rarely used, and if, mostly in the C API.
+ */
+typedef enum aiReturn
+{
+    /** Indicates that a function was successful */
+    aiReturn_SUCCESS = 0x0,
+
+    /** Indicates that a function failed */
+    aiReturn_FAILURE = -0x1,
+
+    /** Indicates that not enough memory was available
+     * to perform the requested operation
+     */
+    aiReturn_OUTOFMEMORY = -0x3,
+
+    /** @cond never
+     *  Force 32-bit size enum
+     */
+    _AI_ENFORCE_ENUM_SIZE = 0x7fffffff
+
+    /// @endcond
+} aiReturn;  // !enum aiReturn
+
+// just for backwards compatibility, don't use these constants anymore
+#define AI_SUCCESS     aiReturn_SUCCESS
+#define AI_FAILURE     aiReturn_FAILURE
+#define AI_OUTOFMEMORY aiReturn_OUTOFMEMORY
+
+// ----------------------------------------------------------------------------------
+/** Seek origins (for the virtual file system API).
+ *  Much cooler than using SEEK_SET, SEEK_CUR or SEEK_END.
+ */
+enum aiOrigin
+{
+    /** Beginning of the file */
+    aiOrigin_SET = 0x0,
+
+    /** Current position of the file pointer */
+    aiOrigin_CUR = 0x1,
+
+    /** End of the file, offsets must be negative */
+    aiOrigin_END = 0x2,
+
+    /**  @cond never
+     *   Force 32-bit size enum
+     */
+    _AI_ORIGIN_ENFORCE_ENUM_SIZE = 0x7fffffff
+
+    /// @endcond
+}; // !enum aiOrigin
+
+// ----------------------------------------------------------------------------------
+/** @brief Enumerates predefined log streaming destinations.
+ *  Logging to these streams can be enabled with a single call to
+ *   #LogStream::createDefaultStream.
+ */
+enum aiDefaultLogStream
+{
+    /** Stream the log to a file */
+    aiDefaultLogStream_FILE = 0x1,
+
+    /** Stream the log to std::cout */
+    aiDefaultLogStream_STDOUT = 0x2,
+
+    /** Stream the log to std::cerr */
+    aiDefaultLogStream_STDERR = 0x4,
+
+    /** MSVC only: Stream the log the the debugger
+     * (this relies on OutputDebugString from the Win32 SDK)
+     */
+    aiDefaultLogStream_DEBUGGER = 0x8,
+
+    /** @cond never
+     *  Force 32-bit size enum
+     */
+    _AI_DLS_ENFORCE_ENUM_SIZE = 0x7fffffff
+    /// @endcond
+}; // !enum aiDefaultLogStream
+
+// just for backwards compatibility, don't use these constants anymore
+#define DLS_FILE     aiDefaultLogStream_FILE
+#define DLS_STDOUT   aiDefaultLogStream_STDOUT
+#define DLS_STDERR   aiDefaultLogStream_STDERR
+#define DLS_DEBUGGER aiDefaultLogStream_DEBUGGER
+
+// ----------------------------------------------------------------------------------
+/** Stores the memory requirements for different components (e.g. meshes, materials,
+ *  animations) of an import. All sizes are in bytes.
+ *  @see Importer::GetMemoryRequirements()
+*/
+struct aiMemoryInfo
+{
+#ifdef __cplusplus
+
+    /** Default constructor */
+    aiMemoryInfo() AI_NO_EXCEPT
+        : textures   (0)
+        , materials  (0)
+        , meshes     (0)
+        , nodes      (0)
+        , animations (0)
+        , cameras    (0)
+        , lights     (0)
+        , total      (0)
+    {}
+
+#endif
+
+    /** Storage allocated for texture data */
+    unsigned int textures;
+
+    /** Storage allocated for material data  */
+    unsigned int materials;
+
+    /** Storage allocated for mesh data */
+    unsigned int meshes;
+
+    /** Storage allocated for node data */
+    unsigned int nodes;
+
+    /** Storage allocated for animation data */
+    unsigned int animations;
+
+    /** Storage allocated for camera data */
+    unsigned int cameras;
+
+    /** Storage allocated for light data */
+    unsigned int lights;
+
+    /** Total storage allocated for the full import. */
+    unsigned int total;
+}; // !struct aiMemoryInfo
+
+#ifdef __cplusplus
+}
+#endif //!  __cplusplus
+
+// Include implementation files
+#include "vector2.inl"
+#include "vector3.inl"
+#include "color4.inl"
+#include "quaternion.inl"
+#include "matrix3x3.inl"
+#include "matrix4x4.inl"
+
+#endif // AI_TYPES_H_INC
diff --git a/thirdparty/assimp/include/assimp/vector2.h b/thirdparty/assimp/include/assimp/vector2.h
new file mode 100644
index 0000000000..d5ef001542
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/vector2.h
@@ -0,0 +1,107 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file vector2.h
+ *  @brief 2D vector structure, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_VECTOR2D_H_INC
+#define AI_VECTOR2D_H_INC
+
+#ifdef __cplusplus
+#   include <cmath>
+#else
+#   include <math.h>
+#endif
+
+#include "defs.h"
+
+// ----------------------------------------------------------------------------------
+/** Represents a two-dimensional vector.
+ */
+
+#ifdef __cplusplus
+template <typename TReal>
+class aiVector2t {
+public:
+    aiVector2t () : x(), y() {}
+    aiVector2t (TReal _x, TReal _y) : x(_x), y(_y) {}
+    explicit aiVector2t (TReal _xyz) : x(_xyz), y(_xyz) {}
+    aiVector2t (const aiVector2t& o) = default;
+
+    void Set( TReal pX, TReal pY);
+    TReal SquareLength() const ;
+    TReal Length() const ;
+    aiVector2t& Normalize();
+
+    const aiVector2t& operator += (const aiVector2t& o);
+    const aiVector2t& operator -= (const aiVector2t& o);
+    const aiVector2t& operator *= (TReal f);
+    const aiVector2t& operator /= (TReal f);
+
+    TReal operator[](unsigned int i) const;
+
+    bool operator== (const aiVector2t& other) const;
+    bool operator!= (const aiVector2t& other) const;
+
+    bool Equal(const aiVector2t& other, TReal epsilon = 1e-6) const;
+
+    aiVector2t& operator= (TReal f);
+    const aiVector2t SymMul(const aiVector2t& o);
+
+    template <typename TOther>
+    operator aiVector2t<TOther> () const;
+
+    TReal x, y;
+};
+
+typedef aiVector2t<ai_real> aiVector2D;
+
+#else
+
+struct aiVector2D {
+    ai_real x, y;
+};
+
+#endif // __cplusplus
+
+#endif // AI_VECTOR2D_H_INC
diff --git a/thirdparty/assimp/include/assimp/vector2.inl b/thirdparty/assimp/include/assimp/vector2.inl
new file mode 100644
index 0000000000..3b7a7beabb
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/vector2.inl
@@ -0,0 +1,244 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  vector2.inl
+ *  @brief Inline implementation of aiVector2t<TReal> operators
+ */
+#pragma once
+#ifndef AI_VECTOR2D_INL_INC
+#define AI_VECTOR2D_INL_INC
+
+#ifdef __cplusplus
+#include "vector2.h"
+
+#include <cmath>
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+template <typename TOther>
+aiVector2t<TReal>::operator aiVector2t<TOther> () const {
+    return aiVector2t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y));
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+void aiVector2t<TReal>::Set( TReal pX, TReal pY) {
+    x = pX; y = pY;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+TReal aiVector2t<TReal>::SquareLength() const {
+    return x*x + y*y;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+TReal aiVector2t<TReal>::Length() const {
+    return std::sqrt( SquareLength());
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+aiVector2t<TReal>& aiVector2t<TReal>::Normalize() {
+    *this /= Length();
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+const aiVector2t<TReal>& aiVector2t<TReal>::operator += (const aiVector2t& o) {
+    x += o.x; y += o.y;
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+const aiVector2t<TReal>& aiVector2t<TReal>::operator -= (const aiVector2t& o) {
+    x -= o.x; y -= o.y;
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+const aiVector2t<TReal>& aiVector2t<TReal>::operator *= (TReal f) {
+    x *= f; y *= f;
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+const aiVector2t<TReal>& aiVector2t<TReal>::operator /= (TReal f) {
+    x /= f; y /= f;
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+TReal aiVector2t<TReal>::operator[](unsigned int i) const {
+	switch (i) {
+		case 0:
+			return x;
+		case 1:
+			return y;
+		default:
+			break;
+
+    }
+    return x;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+bool aiVector2t<TReal>::operator== (const aiVector2t& other) const {
+    return x == other.x && y == other.y;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+bool aiVector2t<TReal>::operator!= (const aiVector2t& other) const {
+    return x != other.x || y != other.y;
+}
+
+// ---------------------------------------------------------------------------
+template<typename TReal>
+inline
+bool aiVector2t<TReal>::Equal(const aiVector2t& other, TReal epsilon) const {
+    return
+        std::abs(x - other.x) <= epsilon &&
+        std::abs(y - other.y) <= epsilon;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+aiVector2t<TReal>& aiVector2t<TReal>::operator= (TReal f)   {
+    x = y = f;
+    return *this;
+}
+
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+inline
+const aiVector2t<TReal> aiVector2t<TReal>::SymMul(const aiVector2t& o) {
+    return aiVector2t(x*o.x,y*o.y);
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// symmetric addition
+template <typename TReal>
+inline
+aiVector2t<TReal> operator + (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) {
+    return aiVector2t<TReal>( v1.x + v2.x, v1.y + v2.y);
+}
+
+// ------------------------------------------------------------------------------------------------
+// symmetric subtraction
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator - (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) {
+    return aiVector2t<TReal>( v1.x - v2.x, v1.y - v2.y);
+}
+
+// ------------------------------------------------------------------------------------------------
+// scalar product
+template <typename TReal>
+inline 
+TReal operator * (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) {
+    return v1.x*v2.x + v1.y*v2.y;
+}
+
+// ------------------------------------------------------------------------------------------------
+// scalar multiplication
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator * ( TReal f, const aiVector2t<TReal>& v) {
+    return aiVector2t<TReal>( f*v.x, f*v.y);
+}
+
+// ------------------------------------------------------------------------------------------------
+// and the other way around
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator * ( const aiVector2t<TReal>& v, TReal f) {
+    return aiVector2t<TReal>( f*v.x, f*v.y);
+}
+
+// ------------------------------------------------------------------------------------------------
+// scalar division
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, TReal f) {
+    return v * (1/f);
+}
+
+// ------------------------------------------------------------------------------------------------
+// vector division
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, const aiVector2t<TReal>& v2) {
+    return aiVector2t<TReal>(v.x / v2.x,v.y / v2.y);
+}
+
+// ------------------------------------------------------------------------------------------------
+// vector negation
+template <typename TReal>
+inline 
+aiVector2t<TReal> operator - ( const aiVector2t<TReal>& v) {
+    return aiVector2t<TReal>( -v.x, -v.y);
+}
+
+#endif
+
+#endif // AI_VECTOR2D_INL_INC
diff --git a/thirdparty/assimp/include/assimp/vector3.h b/thirdparty/assimp/include/assimp/vector3.h
new file mode 100644
index 0000000000..7ff25cf0ad
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/vector3.h
@@ -0,0 +1,146 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+/** @file vector3.h
+ *  @brief 3D vector structure, including operators when compiling in C++
+ */
+#pragma once
+#ifndef AI_VECTOR3D_H_INC
+#define AI_VECTOR3D_H_INC
+
+#ifdef __cplusplus
+#   include <cmath>
+#else
+#   include <math.h>
+#endif
+
+#include "defs.h"
+
+#ifdef __cplusplus
+
+template<typename TReal> class aiMatrix3x3t;
+template<typename TReal> class aiMatrix4x4t;
+
+// ---------------------------------------------------------------------------
+/** Represents a three-dimensional vector. */
+template <typename TReal>
+class aiVector3t
+{
+public:
+    aiVector3t() AI_NO_EXCEPT : x(), y(), z() {}
+    aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
+    explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {}
+    aiVector3t( const aiVector3t& o ) = default;
+
+public:
+
+    // combined operators
+    const aiVector3t& operator += (const aiVector3t& o);
+    const aiVector3t& operator -= (const aiVector3t& o);
+    const aiVector3t& operator *= (TReal f);
+    const aiVector3t& operator /= (TReal f);
+
+    // transform vector by matrix
+    aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat);
+    aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat);
+
+    // access a single element
+    TReal operator[](unsigned int i) const;
+    TReal& operator[](unsigned int i);
+
+    // comparison
+    bool operator== (const aiVector3t& other) const;
+    bool operator!= (const aiVector3t& other) const;
+    bool operator < (const aiVector3t& other) const;
+
+    bool Equal(const aiVector3t& other, TReal epsilon = 1e-6) const;
+
+    template <typename TOther>
+    operator aiVector3t<TOther> () const;
+
+public:
+    /** @brief Set the components of a vector
+     *  @param pX X component
+     *  @param pY Y component
+     *  @param pZ Z component  */
+    void Set( TReal pX, TReal pY, TReal pZ);
+
+    /** @brief Get the squared length of the vector
+     *  @return Square length */
+    TReal SquareLength() const;
+
+    /** @brief Get the length of the vector
+     *  @return length */
+    TReal Length() const;
+
+
+    /** @brief Normalize the vector */
+    aiVector3t& Normalize();
+
+    /** @brief Normalize the vector with extra check for zero vectors */
+    aiVector3t& NormalizeSafe();
+
+    /** @brief Componentwise multiplication of two vectors
+     *
+     *  Note that vec*vec yields the dot product.
+     *  @param o Second factor */
+    const aiVector3t SymMul(const aiVector3t& o);
+
+    TReal x, y, z;
+};
+
+
+typedef aiVector3t<ai_real> aiVector3D;
+
+#else
+
+struct aiVector3D {
+    ai_real x, y, z;
+};
+
+#endif // __cplusplus
+
+#ifdef __cplusplus
+
+#endif // __cplusplus
+
+#endif // AI_VECTOR3D_H_INC
diff --git a/thirdparty/assimp/include/assimp/vector3.inl b/thirdparty/assimp/include/assimp/vector3.inl
new file mode 100644
index 0000000000..2fce6eddee
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/vector3.inl
@@ -0,0 +1,309 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  vector3.inl
+ *  @brief Inline implementation of aiVector3t<TReal> operators
+ */
+#pragma once
+#ifndef AI_VECTOR3D_INL_INC
+#define AI_VECTOR3D_INL_INC
+
+#ifdef __cplusplus
+#include "vector3.h"
+
+#include <cmath>
+
+// ------------------------------------------------------------------------------------------------
+/** Transformation of a vector by a 3x3 matrix */
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
+    aiVector3t<TReal> res;
+    res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z;
+    res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z;
+    res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z;
+    return res;
+}
+
+// ------------------------------------------------------------------------------------------------
+/** Transformation of a vector by a 4x4 matrix */
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
+    aiVector3t<TReal> res;
+    res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z + pMatrix.a4;
+    res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z + pMatrix.b4;
+    res.z = pMatrix.c1 * pVector.x + pMatrix.c2 * pVector.y + pMatrix.c3 * pVector.z + pMatrix.c4;
+    return res;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+template <typename TOther>
+aiVector3t<TReal>::operator aiVector3t<TOther> () const {
+    return aiVector3t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y),static_cast<TOther>(z));
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+void aiVector3t<TReal>::Set( TReal pX, TReal pY, TReal pZ) {
+    x = pX;
+    y = pY;
+    z = pZ;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::SquareLength() const {
+    return x*x + y*y + z*z;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::Length() const {
+    return std::sqrt( SquareLength());
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::Normalize() {
+    *this /= Length();
+
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::NormalizeSafe() {
+    TReal len = Length();
+    if ( len > static_cast< TReal >( 0 ) ) {
+        *this /= len;
+    }
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator += (const aiVector3t<TReal>& o) {
+    x += o.x;
+    y += o.y;
+    z += o.z;
+
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator -= (const aiVector3t<TReal>& o) {
+    x -= o.x;
+    y -= o.y;
+    z -= o.z;
+
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator *= (TReal f) {
+    x *= f;
+    y *= f;
+    z *= f;
+
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator /= (TReal f) {
+    const TReal invF = (TReal) 1.0 / f;
+    x *= invF;
+    y *= invF;
+    z *= invF;
+
+    return *this;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& mat){
+    return (*this =  mat * (*this));
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){
+    return (*this = mat * (*this));
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::operator[](unsigned int i) const {
+    switch (i) {
+        case 0:
+            return x;
+        case 1:
+            return y;
+        case 2:
+            return z;
+        default:
+            break;
+    }
+    return x;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+TReal& aiVector3t<TReal>::operator[](unsigned int i) {
+//    return *(&x + i);
+    switch (i) {
+        case 0:
+            return x;
+        case 1:
+            return y;
+        case 2:
+            return z;
+        default:
+            break;
+    }
+    return x;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator== (const aiVector3t<TReal>& other) const {
+    return x == other.x && y == other.y && z == other.z;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator!= (const aiVector3t<TReal>& other) const {
+    return x != other.x || y != other.y || z != other.z;
+}
+// ---------------------------------------------------------------------------
+template<typename TReal>
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TReal epsilon) const {
+    return
+        std::abs(x - other.x) <= epsilon &&
+        std::abs(y - other.y) <= epsilon &&
+        std::abs(z - other.z) <= epsilon;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator < (const aiVector3t<TReal>& other) const {
+    return x != other.x ? x < other.x : y != other.y ? y < other.y : z < other.z;
+}
+// ------------------------------------------------------------------------------------------------
+template <typename TReal>
+AI_FORCE_INLINE
+const aiVector3t<TReal> aiVector3t<TReal>::SymMul(const aiVector3t<TReal>& o) {
+    return aiVector3t<TReal>(x*o.x,y*o.y,z*o.z);
+}
+// ------------------------------------------------------------------------------------------------
+// symmetric addition
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator + (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+    return aiVector3t<TReal>( v1.x + v2.x, v1.y + v2.y, v1.z + v2.z);
+}
+// ------------------------------------------------------------------------------------------------
+// symmetric subtraction
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator - (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+    return aiVector3t<TReal>( v1.x - v2.x, v1.y - v2.y, v1.z - v2.z);
+}
+// ------------------------------------------------------------------------------------------------
+// scalar product
+template <typename TReal>
+AI_FORCE_INLINE
+TReal operator * (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+    return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
+}
+// ------------------------------------------------------------------------------------------------
+// scalar multiplication
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * ( TReal f, const aiVector3t<TReal>& v) {
+    return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
+}
+// ------------------------------------------------------------------------------------------------
+// and the other way around
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * ( const aiVector3t<TReal>& v, TReal f) {
+    return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
+}
+// ------------------------------------------------------------------------------------------------
+// scalar division
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, TReal f) {
+    return v * (1/f);
+}
+// ------------------------------------------------------------------------------------------------
+// vector division
+template <typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, const aiVector3t<TReal>& v2) {
+    return aiVector3t<TReal>(v.x / v2.x,v.y / v2.y,v.z / v2.z);
+}
+// ------------------------------------------------------------------------------------------------
+// cross product
+template<typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator ^ ( const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+    return aiVector3t<TReal>( v1.y*v2.z - v1.z*v2.y, v1.z*v2.x - v1.x*v2.z, v1.x*v2.y - v1.y*v2.x);
+}
+// ------------------------------------------------------------------------------------------------
+// vector negation
+template<typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator - ( const aiVector3t<TReal>& v) {
+    return aiVector3t<TReal>( -v.x, -v.y, -v.z);
+}
+
+// ------------------------------------------------------------------------------------------------
+
+#endif // __cplusplus
+#endif // AI_VECTOR3D_INL_INC
diff --git a/thirdparty/assimp/include/assimp/version.h b/thirdparty/assimp/include/assimp/version.h
new file mode 100644
index 0000000000..c62a40e118
--- /dev/null
+++ b/thirdparty/assimp/include/assimp/version.h
@@ -0,0 +1,115 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+/** @file  version.h
+ *  @brief Functions to query the version of the Assimp runtime, check
+ *    compile flags, ...
+ */
+#pragma once
+#ifndef AI_VERSION_H_INC
+#define AI_VERSION_H_INC
+
+#include "defs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// ---------------------------------------------------------------------------
+/** @brief Returns a string with legal copyright and licensing information
+ *  about Assimp. The string may include multiple lines.
+ *  @return Pointer to static string.
+ */
+ASSIMP_API const char*  aiGetLegalString  (void);
+
+// ---------------------------------------------------------------------------
+/** @brief Returns the current minor version number of Assimp.
+ *  @return Minor version of the Assimp runtime the application was
+ *    linked/built against
+ */
+ASSIMP_API unsigned int aiGetVersionMinor (void);
+
+// ---------------------------------------------------------------------------
+/** @brief Returns the current major version number of Assimp.
+ *  @return Major version of the Assimp runtime the application was
+ *    linked/built against
+ */
+ASSIMP_API unsigned int aiGetVersionMajor (void);
+
+// ---------------------------------------------------------------------------
+/** @brief Returns the repository revision of the Assimp runtime.
+ *  @return SVN Repository revision number of the Assimp runtime the
+ *          application was linked/built against.
+ */
+ASSIMP_API unsigned int aiGetVersionRevision (void);
+
+// ---------------------------------------------------------------------------
+/** @brief Returns the branchname of the Assimp runtime.
+ *  @return The current branch name.
+ */
+ASSIMP_API const char *aiGetBranchName();
+
+//! Assimp was compiled as a shared object (Windows: DLL)
+#define ASSIMP_CFLAGS_SHARED  0x1
+//! Assimp was compiled against STLport
+#define ASSIMP_CFLAGS_STLPORT 0x2
+//! Assimp was compiled as a debug build
+#define ASSIMP_CFLAGS_DEBUG   0x4
+
+//! Assimp was compiled with ASSIMP_BUILD_BOOST_WORKAROUND defined
+#define ASSIMP_CFLAGS_NOBOOST           0x8
+//! Assimp was compiled with ASSIMP_BUILD_SINGLETHREADED defined
+#define ASSIMP_CFLAGS_SINGLETHREADED    0x10
+
+// ---------------------------------------------------------------------------
+/** @brief Returns assimp's compile flags
+ *  @return Any bitwise combination of the ASSIMP_CFLAGS_xxx constants.
+ */
+ASSIMP_API unsigned int aiGetCompileFlags (void);
+
+#ifdef __cplusplus
+} // end extern "C"
+#endif
+
+#endif // !! #ifndef AI_VERSION_H_INC
+
diff --git a/thirdparty/libwebsockets/include/libwebsockets.h b/thirdparty/libwebsockets/include/libwebsockets.h
new file mode 100644
index 0000000000..7cc5c28b78
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets.h
@@ -0,0 +1,435 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+/** @file */
+
+#ifndef LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
+#define LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
+
+#ifdef __cplusplus
+#include <cstddef>
+#include <cstdarg>
+
+extern "C" {
+#else
+#include <stdarg.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "lws_config.h"
+
+/*
+ * CARE: everything using cmake defines needs to be below here
+ */
+
+#if defined(LWS_HAS_INTPTR_T)
+#include <stdint.h>
+#define lws_intptr_t intptr_t
+#else
+typedef unsigned long long lws_intptr_t;
+#endif
+
+#if defined(WIN32) || defined(_WIN32)
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <stddef.h>
+#include <basetsd.h>
+#include <io.h>
+#ifndef _WIN32_WCE
+#include <fcntl.h>
+#else
+#define _O_RDONLY	0x0000
+#define O_RDONLY	_O_RDONLY
+#endif
+
+#define LWS_INLINE __inline
+#define LWS_VISIBLE
+#define LWS_WARN_UNUSED_RESULT
+#define LWS_WARN_DEPRECATED
+#define LWS_FORMAT(string_index)
+
+#if !defined(LWS_EXTERN)
+#ifdef LWS_DLL
+#ifdef LWS_INTERNAL
+#define LWS_EXTERN extern __declspec(dllexport)
+#else
+#define LWS_EXTERN extern __declspec(dllimport)
+#endif
+#else
+#define LWS_EXTERN
+#endif
+#endif
+
+#define LWS_INVALID_FILE INVALID_HANDLE_VALUE
+#define LWS_O_RDONLY _O_RDONLY
+#define LWS_O_WRONLY _O_WRONLY
+#define LWS_O_CREAT _O_CREAT
+#define LWS_O_TRUNC _O_TRUNC
+
+#ifndef __func__
+#define __func__ __FUNCTION__
+#endif
+
+#else /* NOT WIN32 */
+#include <unistd.h>
+#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
+#include <sys/capability.h>
+#endif
+
+#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__QNX__) || defined(__OpenBSD__)
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#define LWS_INLINE inline
+#define LWS_O_RDONLY O_RDONLY
+#define LWS_O_WRONLY O_WRONLY
+#define LWS_O_CREAT O_CREAT
+#define LWS_O_TRUNC O_TRUNC
+
+#if !defined(LWS_PLAT_OPTEE) && !defined(OPTEE_TA) && !defined(LWS_WITH_ESP32)
+#include <poll.h>
+#include <netdb.h>
+#define LWS_INVALID_FILE -1
+#else
+#define getdtablesize() (30)
+#if defined(LWS_WITH_ESP32)
+#define LWS_INVALID_FILE NULL
+#else
+#define LWS_INVALID_FILE NULL
+#endif
+#endif
+
+#if defined(__GNUC__)
+
+/* warn_unused_result attribute only supported by GCC 3.4 or later */
+#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#define LWS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+#define LWS_WARN_UNUSED_RESULT
+#endif
+
+#define LWS_VISIBLE __attribute__((visibility("default")))
+#define LWS_WARN_DEPRECATED __attribute__ ((deprecated))
+#define LWS_FORMAT(string_index) __attribute__ ((format(printf, string_index, string_index+1)))
+#else
+#define LWS_VISIBLE
+#define LWS_WARN_UNUSED_RESULT
+#define LWS_WARN_DEPRECATED
+#define LWS_FORMAT(string_index)
+#endif
+
+#if defined(__ANDROID__)
+#include <netinet/in.h>
+#include <unistd.h>
+#define getdtablesize() sysconf(_SC_OPEN_MAX)
+#endif
+
+#endif
+
+#if defined(LWS_WITH_LIBEV)
+#include <ev.h>
+#endif /* LWS_WITH_LIBEV */
+#ifdef LWS_WITH_LIBUV
+#include <uv.h>
+#ifdef LWS_HAVE_UV_VERSION_H
+#include <uv-version.h>
+#endif
+#ifdef LWS_HAVE_NEW_UV_VERSION_H
+#include <uv/version.h>
+#endif
+#endif /* LWS_WITH_LIBUV */
+#if defined(LWS_WITH_LIBEVENT)
+#include <event2/event.h>
+#endif /* LWS_WITH_LIBEVENT */
+
+#ifndef LWS_EXTERN
+#define LWS_EXTERN extern
+#endif
+
+#ifdef _WIN32
+#define random rand
+#else
+#if !defined(OPTEE_TA)
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+#endif
+
+#if defined(LWS_WITH_TLS)
+
+#ifdef USE_WOLFSSL
+#ifdef USE_OLD_CYASSL
+#ifdef _WIN32
+/*
+ * Include user-controlled settings for windows from
+ * <wolfssl-root>/IDE/WIN/user_settings.h
+ */
+#include <IDE/WIN/user_settings.h>
+#include <cyassl/ctaocrypt/settings.h>
+#else
+#include <cyassl/options.h>
+#endif
+#include <cyassl/openssl/ssl.h>
+#include <cyassl/error-ssl.h>
+
+#else
+#ifdef _WIN32
+/*
+ * Include user-controlled settings for windows from
+ * <wolfssl-root>/IDE/WIN/user_settings.h
+ */
+#include <IDE/WIN/user_settings.h>
+#include <wolfssl/wolfcrypt/settings.h>
+#else
+#include <wolfssl/options.h>
+#endif
+#include <wolfssl/openssl/ssl.h>
+#include <wolfssl/error-ssl.h>
+#endif /* not USE_OLD_CYASSL */
+#else
+#if defined(LWS_WITH_MBEDTLS)
+#if defined(LWS_WITH_ESP32)
+/* this filepath is passed to us but without quotes or <> */
+#undef MBEDTLS_CONFIG_FILE
+#define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
+#endif
+#include <mbedtls/ssl.h>
+#else
+#include <openssl/ssl.h>
+#if !defined(LWS_WITH_MBEDTLS)
+#include <openssl/err.h>
+#endif
+#endif
+#endif /* not USE_WOLFSSL */
+#endif
+
+/*
+ * Helpers for pthread mutex in user code... if lws is built for
+ * multiple service threads, these resolve to pthread mutex
+ * operations.  In the case LWS_MAX_SMP is 1 (the default), they
+ * are all NOPs and no pthread type or api is referenced.
+ */
+
+#if LWS_MAX_SMP > 1
+
+#include <pthread.h>
+
+#define lws_pthread_mutex(name) pthread_mutex_t name;
+
+static LWS_INLINE void
+lws_pthread_mutex_init(pthread_mutex_t *lock)
+{
+	pthread_mutex_init(lock, NULL);
+}
+
+static LWS_INLINE void
+lws_pthread_mutex_destroy(pthread_mutex_t *lock)
+{
+	pthread_mutex_destroy(lock);
+}
+
+static LWS_INLINE void
+lws_pthread_mutex_lock(pthread_mutex_t *lock)
+{
+	pthread_mutex_lock(lock);
+}
+
+static LWS_INLINE void
+lws_pthread_mutex_unlock(pthread_mutex_t *lock)
+{
+	pthread_mutex_unlock(lock);
+}
+
+#else
+#define lws_pthread_mutex(name)
+#define lws_pthread_mutex_init(_a)
+#define lws_pthread_mutex_destroy(_a)
+#define lws_pthread_mutex_lock(_a)
+#define lws_pthread_mutex_unlock(_a)
+#endif
+
+
+#define CONTEXT_PORT_NO_LISTEN -1
+#define CONTEXT_PORT_NO_LISTEN_SERVER -2
+
+#include <libwebsockets/lws-logs.h>
+
+
+#include <stddef.h>
+
+#ifndef lws_container_of
+#define lws_container_of(P,T,M)	((T *)((char *)(P) - offsetof(T, M)))
+#endif
+
+struct lws;
+
+typedef int64_t lws_usec_t;
+
+/* api change list for user code to test against */
+
+#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_ARG
+
+/* the struct lws_protocols has the id field present */
+#define LWS_FEATURE_PROTOCOLS_HAS_ID_FIELD
+
+/* you can call lws_get_peer_write_allowance */
+#define LWS_FEATURE_PROTOCOLS_HAS_PEER_WRITE_ALLOWANCE
+
+/* extra parameter introduced in 917f43ab821 */
+#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_LEN
+
+/* File operations stuff exists */
+#define LWS_FEATURE_FOPS
+
+
+#if defined(_WIN32)
+#if !defined(LWS_WIN32_HANDLE_TYPES)
+typedef SOCKET lws_sockfd_type;
+typedef HANDLE lws_filefd_type;
+#endif
+
+struct lws_pollfd {
+	lws_sockfd_type fd; /**< file descriptor */
+	SHORT events; /**< which events to respond to */
+	SHORT revents; /**< which events happened */
+};
+#define LWS_POLLHUP (FD_CLOSE)
+#define LWS_POLLIN (FD_READ | FD_ACCEPT)
+#define LWS_POLLOUT (FD_WRITE)
+#else
+
+
+#if defined(LWS_WITH_ESP32)
+#include <libwebsockets/lws-esp32.h>
+#else
+typedef int lws_sockfd_type;
+typedef int lws_filefd_type;
+#endif
+
+#define lws_pollfd pollfd
+#define LWS_POLLHUP (POLLHUP|POLLERR)
+#define LWS_POLLIN (POLLIN)
+#define LWS_POLLOUT (POLLOUT)
+#endif
+
+
+#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
+/* ... */
+#define ssize_t SSIZE_T
+#endif
+
+#if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
+#include <sys/types.h>
+#include <sys/stat.h>
+#endif
+
+#if defined(LWS_HAVE_STDINT_H)
+#include <stdint.h>
+#else
+#if defined(WIN32) || defined(_WIN32)
+/* !!! >:-[  */
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int16 uint16_t;
+typedef unsigned __int8 uint8_t;
+#else
+typedef unsigned int uint32_t;
+typedef unsigned short uint16_t;
+typedef unsigned char uint8_t;
+#endif
+#endif
+
+typedef unsigned long long lws_filepos_t;
+typedef long long lws_fileofs_t;
+typedef uint32_t lws_fop_flags_t;
+
+/** struct lws_pollargs - argument structure for all external poll related calls
+ * passed in via 'in' */
+struct lws_pollargs {
+	lws_sockfd_type fd;	/**< applicable socket descriptor */
+	int events;		/**< the new event mask */
+	int prev_events;	/**< the previous event mask */
+};
+
+struct lws_extension; /* needed even with ws exts disabled for create context */
+struct lws_token_limits;
+struct lws_context;
+struct lws_tokens;
+struct lws_vhost;
+struct lws;
+
+#include <libwebsockets/lws-ws-close.h>
+#include <libwebsockets/lws-callbacks.h>
+#include <libwebsockets/lws-ws-state.h>
+#include <libwebsockets/lws-ws-ext.h>
+#include <libwebsockets/lws-protocols-plugins.h>
+#include <libwebsockets/lws-plugin-generic-sessions.h>
+#include <libwebsockets/lws-context-vhost.h>
+#include <libwebsockets/lws-client.h>
+#include <libwebsockets/lws-http.h>
+#include <libwebsockets/lws-spa.h>
+#include <libwebsockets/lws-purify.h>
+#include <libwebsockets/lws-timeout-timer.h>
+#include <libwebsockets/lws-service.h>
+#include <libwebsockets/lws-write.h>
+#include <libwebsockets/lws-writeable.h>
+#include <libwebsockets/lws-adopt.h>
+#include <libwebsockets/lws-network-helper.h>
+#include <libwebsockets/lws-misc.h>
+#include <libwebsockets/lws-ring.h>
+#include <libwebsockets/lws-sha1-base64.h>
+#include <libwebsockets/lws-x509.h>
+#include <libwebsockets/lws-cgi.h>
+#include <libwebsockets/lws-vfs.h>
+#include <libwebsockets/lws-lejp.h>
+#include <libwebsockets/lws-stats.h>
+#include <libwebsockets/lws-threadpool.h>
+#include <libwebsockets/lws-tokenize.h>
+#include <libwebsockets/lws-lwsac.h>
+#include <libwebsockets/lws-fts.h>
+#include <libwebsockets/lws-diskcache.h>
+
+#if defined(LWS_WITH_TLS)
+
+#if defined(LWS_WITH_MBEDTLS)
+#include <mbedtls/sha1.h>
+#include <mbedtls/sha256.h>
+#include <mbedtls/sha512.h>
+#endif
+
+#include <libwebsockets/lws-genhash.h>
+#include <libwebsockets/lws-genrsa.h>
+#include <libwebsockets/lws-jwk.h>
+#include <libwebsockets/lws-jws.h>
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-adopt.h b/thirdparty/libwebsockets/include/libwebsockets/lws-adopt.h
new file mode 100644
index 0000000000..256e3f9fdf
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-adopt.h
@@ -0,0 +1,185 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup sock-adopt Socket adoption helpers
+ * ##Socket adoption helpers
+ *
+ * When integrating with an external app with its own event loop, these can
+ * be used to accept connections from someone else's listening socket.
+ *
+ * When using lws own event loop, these are not needed.
+ */
+///@{
+
+/**
+ * lws_adopt_socket() - adopt foreign socket as if listen socket accepted it
+ * for the default vhost of context.
+ *
+ * \param context: lws context
+ * \param accept_fd: fd of already-accepted socket to adopt
+ *
+ * Either returns new wsi bound to accept_fd, or closes accept_fd and
+ * returns NULL, having cleaned up any new wsi pieces.
+ *
+ * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
+ * to ws or just serve http.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd);
+/**
+ * lws_adopt_socket_vhost() - adopt foreign socket as if listen socket accepted
+ * it for vhost
+ *
+ * \param vh: lws vhost
+ * \param accept_fd: fd of already-accepted socket to adopt
+ *
+ * Either returns new wsi bound to accept_fd, or closes accept_fd and
+ * returns NULL, having cleaned up any new wsi pieces.
+ *
+ * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
+ * to ws or just serve http.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd);
+
+typedef enum {
+	LWS_ADOPT_RAW_FILE_DESC = 0,	/* convenience constant */
+	LWS_ADOPT_HTTP = 1,		/* flag: absent implies RAW */
+	LWS_ADOPT_SOCKET = 2,		/* flag: absent implies file descr */
+	LWS_ADOPT_ALLOW_SSL = 4,	/* flag: if set requires LWS_ADOPT_SOCKET */
+	LWS_ADOPT_FLAG_UDP = 16,	/* flag: socket is UDP */
+
+	LWS_ADOPT_RAW_SOCKET_UDP = LWS_ADOPT_SOCKET | LWS_ADOPT_FLAG_UDP,
+} lws_adoption_type;
+
+typedef union {
+	lws_sockfd_type sockfd;
+	lws_filefd_type filefd;
+} lws_sock_file_fd_type;
+
+#if !defined(LWS_WITH_ESP32)
+struct lws_udp {
+	struct sockaddr sa;
+	socklen_t salen;
+
+	struct sockaddr sa_pending;
+	socklen_t salen_pending;
+};
+#endif
+
+/*
+* lws_adopt_descriptor_vhost() - adopt foreign socket or file descriptor
+* if socket descriptor, should already have been accepted from listen socket
+*
+* \param vhost: lws vhost
+* \param type: OR-ed combinations of lws_adoption_type flags
+* \param fd: union with either .sockfd or .filefd set
+* \param vh_prot_name: NULL or vh protocol name to bind raw connection to
+* \param parent: NULL or struct lws to attach new_wsi to as a child
+*
+* Either returns new wsi bound to accept_fd, or closes accept_fd and
+* returns NULL, having cleaned up any new wsi pieces.
+*
+* If LWS_ADOPT_SOCKET is set, LWS adopts the socket in http serving mode, it's
+* ready to accept an upgrade to ws or just serve http.
+*
+* parent may be NULL, if given it should be an existing wsi that will become the
+* parent of the new wsi created by this call.
+*/
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
+			   lws_sock_file_fd_type fd, const char *vh_prot_name,
+			   struct lws *parent);
+
+/**
+ * lws_adopt_socket_readbuf() - adopt foreign socket and first rx as if listen socket accepted it
+ * for the default vhost of context.
+ * \param context:	lws context
+ * \param accept_fd:	fd of already-accepted socket to adopt
+ * \param readbuf:	NULL or pointer to data that must be drained before reading from
+ *		accept_fd
+ * \param len:	The length of the data held at \param readbuf
+ *
+ * Either returns new wsi bound to accept_fd, or closes accept_fd and
+ * returns NULL, having cleaned up any new wsi pieces.
+ *
+ * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
+ * to ws or just serve http.
+ *
+ * If your external code did not already read from the socket, you can use
+ * lws_adopt_socket() instead.
+ *
+ * This api is guaranteed to use the data at \param readbuf first, before reading from
+ * the socket.
+ *
+ * readbuf is limited to the size of the ah rx buf, currently 2048 bytes.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
+                         const char *readbuf, size_t len);
+/**
+ * lws_adopt_socket_vhost_readbuf() - adopt foreign socket and first rx as if listen socket
+ * accepted it for vhost.
+ * \param vhost:	lws vhost
+ * \param accept_fd:	fd of already-accepted socket to adopt
+ * \param readbuf:	NULL or pointer to data that must be drained before
+ * 			reading from accept_fd
+ * \param len:		The length of the data held at \param readbuf
+ *
+ * Either returns new wsi bound to accept_fd, or closes accept_fd and
+ * returns NULL, having cleaned up any new wsi pieces.
+ *
+ * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
+ * to ws or just serve http.
+ *
+ * If your external code did not already read from the socket, you can use
+ * lws_adopt_socket() instead.
+ *
+ * This api is guaranteed to use the data at \param readbuf first, before reading from
+ * the socket.
+ *
+ * readbuf is limited to the size of the ah rx buf, currently 2048 bytes.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_adopt_socket_vhost_readbuf(struct lws_vhost *vhost,
+			       lws_sockfd_type accept_fd, const char *readbuf,
+			       size_t len);
+
+#define LWS_CAUDP_BIND 1
+
+/**
+ * lws_create_adopt_udp() - create, bind and adopt a UDP socket
+ *
+ * \param vhost:	 lws vhost
+ * \param port:		 UDP port to bind to, -1 means unbound
+ * \param flags:	 0 or LWS_CAUDP_NO_BIND
+ * \param protocol_name: Name of protocol on vhost to bind wsi to
+ * \param parent_wsi:	 NULL or parent wsi new wsi will be a child of
+ *
+ * Either returns new wsi bound to accept_fd, or closes accept_fd and
+ * returns NULL, having cleaned up any new wsi pieces.
+ * */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_create_adopt_udp(struct lws_vhost *vhost, int port, int flags,
+		     const char *protocol_name, struct lws *parent_wsi);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-callbacks.h b/thirdparty/libwebsockets/include/libwebsockets/lws-callbacks.h
new file mode 100644
index 0000000000..8b49218e9c
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-callbacks.h
@@ -0,0 +1,807 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup usercb User Callback
+ *
+ * ##User protocol callback
+ *
+ * The protocol callback is the primary way lws interacts with
+ * user code.  For one of a list of a few dozen reasons the callback gets
+ * called at some event to be handled.
+ *
+ * All of the events can be ignored, returning 0 is taken as "OK" and returning
+ * nonzero in most cases indicates that the connection should be closed.
+ */
+///@{
+
+struct lws_ssl_info {
+	int where;
+	int ret;
+};
+
+enum lws_cert_update_state {
+	LWS_CUS_IDLE,
+	LWS_CUS_STARTING,
+	LWS_CUS_SUCCESS,
+	LWS_CUS_FAILED,
+
+	LWS_CUS_CREATE_KEYS,
+	LWS_CUS_REG,
+	LWS_CUS_AUTH,
+	LWS_CUS_CHALLENGE,
+	LWS_CUS_CREATE_REQ,
+	LWS_CUS_REQ,
+	LWS_CUS_CONFIRM,
+	LWS_CUS_ISSUE,
+};
+
+enum {
+	LWS_TLS_REQ_ELEMENT_COUNTRY,
+	LWS_TLS_REQ_ELEMENT_STATE,
+	LWS_TLS_REQ_ELEMENT_LOCALITY,
+	LWS_TLS_REQ_ELEMENT_ORGANIZATION,
+	LWS_TLS_REQ_ELEMENT_COMMON_NAME,
+	LWS_TLS_REQ_ELEMENT_EMAIL,
+
+	LWS_TLS_REQ_ELEMENT_COUNT,
+
+	LWS_TLS_SET_DIR_URL = LWS_TLS_REQ_ELEMENT_COUNT,
+	LWS_TLS_SET_AUTH_PATH,
+	LWS_TLS_SET_CERT_PATH,
+	LWS_TLS_SET_KEY_PATH,
+
+	LWS_TLS_TOTAL_COUNT
+};
+
+struct lws_acme_cert_aging_args {
+	struct lws_vhost *vh;
+	const char *element_overrides[LWS_TLS_TOTAL_COUNT]; /* NULL = use pvo */
+};
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+/** enum lws_callback_reasons - reason you're getting a protocol callback */
+enum lws_callback_reasons {
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to wsi and protocol binding lifecycle -----
+	 */
+
+	LWS_CALLBACK_PROTOCOL_INIT				= 27,
+	/**< One-time call per protocol, per-vhost using it, so it can
+	 * do initial setup / allocations etc */
+
+	LWS_CALLBACK_PROTOCOL_DESTROY				= 28,
+	/**< One-time call per protocol, per-vhost using it, indicating
+	 * this protocol won't get used at all after this callback, the
+	 * vhost is getting destroyed.  Take the opportunity to
+	 * deallocate everything that was allocated by the protocol. */
+
+	LWS_CALLBACK_WSI_CREATE					= 29,
+	/**< outermost (earliest) wsi create notification to protocols[0] */
+
+	LWS_CALLBACK_WSI_DESTROY				= 30,
+	/**< outermost (latest) wsi destroy notification to protocols[0] */
+
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to Server TLS -----
+	 */
+
+	LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS	= 21,
+	/**< if configured for
+	 * including OpenSSL support, this callback allows your user code
+	 * to perform extra SSL_CTX_load_verify_locations() or similar
+	 * calls to direct OpenSSL where to find certificates the client
+	 * can use to confirm the remote server identity.  user is the
+	 * OpenSSL SSL_CTX* */
+
+	LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS	= 22,
+	/**< if configured for
+	 * including OpenSSL support, this callback allows your user code
+	 * to load extra certificates into the server which allow it to
+	 * verify the validity of certificates returned by clients.  user
+	 * is the server's OpenSSL SSL_CTX* and in is the lws_vhost */
+
+	LWS_CALLBACK_OPENSSL_PERFORM_CLIENT_CERT_VERIFICATION	= 23,
+	/**< if the libwebsockets vhost was created with the option
+	 * LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT, then this
+	 * callback is generated during OpenSSL verification of the cert
+	 * sent from the client.  It is sent to protocol[0] callback as
+	 * no protocol has been negotiated on the connection yet.
+	 * Notice that the libwebsockets context and wsi are both NULL
+	 * during this callback.  See
+	 *  http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+	 * to understand more detail about the OpenSSL callback that
+	 * generates this libwebsockets callback and the meanings of the
+	 * arguments passed.  In this callback, user is the x509_ctx,
+	 * in is the ssl pointer and len is preverify_ok
+	 * Notice that this callback maintains libwebsocket return
+	 * conventions, return 0 to mean the cert is OK or 1 to fail it.
+	 * This also means that if you don't handle this callback then
+	 * the default callback action of returning 0 allows the client
+	 * certificates. */
+
+	LWS_CALLBACK_OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY	= 37,
+	/**< if configured for including OpenSSL support but no private key
+	 * file has been specified (ssl_private_key_filepath is NULL), this is
+	 * called to allow the user to set the private key directly via
+	 * libopenssl and perform further operations if required; this might be
+	 * useful in situations where the private key is not directly accessible
+	 * by the OS, for example if it is stored on a smartcard.
+	 * user is the server's OpenSSL SSL_CTX* */
+
+	LWS_CALLBACK_SSL_INFO					= 67,
+	/**< SSL connections only.  An event you registered an
+	 * interest in at the vhost has occurred on a connection
+	 * using the vhost.  in is a pointer to a
+	 * struct lws_ssl_info containing information about the
+	 * event*/
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to Client TLS -----
+	 */
+
+	LWS_CALLBACK_OPENSSL_PERFORM_SERVER_CERT_VERIFICATION = 58,
+	/**< Similar to LWS_CALLBACK_OPENSSL_PERFORM_CLIENT_CERT_VERIFICATION
+	 * this callback is called during OpenSSL verification of the cert
+	 * sent from the server to the client. It is sent to protocol[0]
+	 * callback as no protocol has been negotiated on the connection yet.
+	 * Notice that the wsi is set because lws_client_connect_via_info was
+	 * successful.
+	 *
+	 * See http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
+	 * to understand more detail about the OpenSSL callback that
+	 * generates this libwebsockets callback and the meanings of the
+	 * arguments passed. In this callback, user is the x509_ctx,
+	 * in is the ssl pointer and len is preverify_ok.
+	 *
+	 * THIS IS NOT RECOMMENDED BUT if a cert validation error shall be
+	 * overruled and cert shall be accepted as ok,
+	 * X509_STORE_CTX_set_error((X509_STORE_CTX*)user, X509_V_OK); must be
+	 * called and return value must be 0 to mean the cert is OK;
+	 * returning 1 will fail the cert in any case.
+	 *
+	 * This also means that if you don't handle this callback then
+	 * the default callback action of returning 0 will not accept the
+	 * certificate in case of a validation error decided by the SSL lib.
+	 *
+	 * This is expected and secure behaviour when validating certificates.
+	 *
+	 * Note: LCCSCF_ALLOW_SELFSIGNED and
+	 * LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK still work without this
+	 * callback being implemented.
+	 */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to HTTP Server  -----
+	 */
+
+	LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED		= 19,
+	/**< A new client has been accepted by the ws server.  This
+	 * callback allows setting any relevant property to it. Because this
+	 * happens immediately after the instantiation of a new client,
+	 * there's no websocket protocol selected yet so this callback is
+	 * issued only to protocol 0. Only wsi is defined, pointing to the
+	 * new client, and the return value is ignored. */
+
+	LWS_CALLBACK_HTTP					= 12,
+	/**< an http request has come from a client that is not
+	 * asking to upgrade the connection to a websocket
+	 * one.  This is a chance to serve http content,
+	 * for example, to send a script to the client
+	 * which will then open the websockets connection.
+	 * in points to the URI path requested and
+	 * lws_serve_http_file() makes it very
+	 * simple to send back a file to the client.
+	 * Normally after sending the file you are done
+	 * with the http connection, since the rest of the
+	 * activity will come by websockets from the script
+	 * that was delivered by http, so you will want to
+	 * return 1; to close and free up the connection. */
+
+	LWS_CALLBACK_HTTP_BODY					= 13,
+	/**< the next len bytes data from the http
+	 * request body HTTP connection is now available in in. */
+
+	LWS_CALLBACK_HTTP_BODY_COMPLETION			= 14,
+	/**< the expected amount of http request body has been delivered */
+
+	LWS_CALLBACK_HTTP_FILE_COMPLETION			= 15,
+	/**< a file requested to be sent down http link has completed. */
+
+	LWS_CALLBACK_HTTP_WRITEABLE				= 16,
+	/**< you can write more down the http protocol link now. */
+
+	LWS_CALLBACK_CLOSED_HTTP				=  5,
+	/**< when a HTTP (non-websocket) session ends */
+
+	LWS_CALLBACK_FILTER_HTTP_CONNECTION			= 18,
+	/**< called when the request has
+	 * been received and parsed from the client, but the response is
+	 * not sent yet.  Return non-zero to disallow the connection.
+	 * user is a pointer to the connection user space allocation,
+	 * in is the URI, eg, "/"
+	 * In your handler you can use the public APIs
+	 * lws_hdr_total_length() / lws_hdr_copy() to access all of the
+	 * headers using the header enums lws_token_indexes from
+	 * libwebsockets.h to check for and read the supported header
+	 * presence and content before deciding to allow the http
+	 * connection to proceed or to kill the connection. */
+
+	LWS_CALLBACK_ADD_HEADERS				= 53,
+	/**< This gives your user code a chance to add headers to a server
+	 * transaction bound to your protocol.  `in` points to a
+	 * `struct lws_process_html_args` describing a buffer and length
+	 * you can add headers into using the normal lws apis.
+	 *
+	 * (see LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER to add headers to
+	 * a client transaction)
+	 *
+	 * Only `args->p` and `args->len` are valid, and `args->p` should
+	 * be moved on by the amount of bytes written, if any.  Eg
+	 *
+	 * 	case LWS_CALLBACK_ADD_HEADERS:
+	 *
+	 *          struct lws_process_html_args *args =
+	 *          		(struct lws_process_html_args *)in;
+	 *
+	 *	    if (lws_add_http_header_by_name(wsi,
+	 *			(unsigned char *)"set-cookie:",
+	 *			(unsigned char *)cookie, cookie_len,
+	 *			(unsigned char **)&args->p,
+	 *			(unsigned char *)args->p + args->max_len))
+	 *		return 1;
+	 *
+	 *          break;
+	 */
+
+	LWS_CALLBACK_CHECK_ACCESS_RIGHTS			= 51,
+	/**< This gives the user code a chance to forbid an http access.
+	 * `in` points to a `struct lws_process_html_args`, which
+	 * describes the URL, and a bit mask describing the type of
+	 * authentication required.  If the callback returns nonzero,
+	 * the transaction ends with HTTP_STATUS_UNAUTHORIZED. */
+
+	LWS_CALLBACK_PROCESS_HTML				= 52,
+	/**< This gives your user code a chance to mangle outgoing
+	 * HTML.  `in` points to a `struct lws_process_html_args`
+	 * which describes the buffer containing outgoing HTML.
+	 * The buffer may grow up to `.max_len` (currently +128
+	 * bytes per buffer).
+	 */
+
+	LWS_CALLBACK_HTTP_BIND_PROTOCOL				= 49,
+	/**< By default, all HTTP handling is done in protocols[0].
+	 * However you can bind different protocols (by name) to
+	 * different parts of the URL space using callback mounts.  This
+	 * callback occurs in the new protocol when a wsi is bound
+	 * to that protocol.  Any protocol allocation related to the
+	 * http transaction processing should be created then.
+	 * These specific callbacks are necessary because with HTTP/1.1,
+	 * a single connection may perform at series of different
+	 * transactions at different URLs, thus the lifetime of the
+	 * protocol bind is just for one transaction, not connection. */
+
+	LWS_CALLBACK_HTTP_DROP_PROTOCOL				= 50,
+	/**< This is called when a transaction is unbound from a protocol.
+	 * It indicates the connection completed its transaction and may
+	 * do something different now.  Any protocol allocation related
+	 * to the http transaction processing should be destroyed. */
+
+	LWS_CALLBACK_HTTP_CONFIRM_UPGRADE			= 86,
+	/**< This is your chance to reject an HTTP upgrade action.  The
+	 * name of the protocol being upgraded to is in 'in', and the ah
+	 * is still bound to the wsi, so you can look at the headers.
+	 *
+	 * The default of returning 0 (ie, also if not handled) means the
+	 * upgrade may proceed.  Return <0 to just hang up the connection,
+	 * or >0 if you have rejected the connection by returning http headers
+	 * and response code yourself.
+	 *
+	 * There is no need for you to call transaction_completed() as the
+	 * caller will take care of it when it sees you returned >0.
+	 */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to HTTP Client  -----
+	 */
+
+	LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP			= 44,
+	/**< The HTTP client connection has succeeded, and is now
+	 * connected to the server */
+
+	LWS_CALLBACK_CLOSED_CLIENT_HTTP				= 45,
+	/**< The HTTP client connection is closing */
+
+	LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ			= 48,
+	/**< This is generated by lws_http_client_read() used to drain
+	 * incoming data.  In the case the incoming data was chunked, it will
+	 * be split into multiple smaller callbacks for each chunk block,
+	 * removing the chunk headers. If not chunked, it will appear all in
+	 * one callback. */
+
+	LWS_CALLBACK_RECEIVE_CLIENT_HTTP			= 46,
+	/**< This simply indicates data was received on the HTTP client
+	 * connection.  It does NOT drain or provide the data.
+	 * This exists to neatly allow a proxying type situation,
+	 * where this incoming data will go out on another connection.
+	 * If the outgoing connection stalls, we should stall processing
+	 * the incoming data.  So a handler for this in that case should
+	 * simply set a flag to indicate there is incoming data ready
+	 * and ask for a writeable callback on the outgoing connection.
+	 * In the writable callback he can check the flag and then get
+	 * and drain the waiting incoming data using lws_http_client_read().
+	 * This will use callbacks to LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ
+	 * to get and drain the incoming data, where it should be sent
+	 * back out on the outgoing connection. */
+	LWS_CALLBACK_COMPLETED_CLIENT_HTTP			= 47,
+	/**< The client transaction completed... at the moment this
+	 * is the same as closing since transaction pipelining on
+	 * client side is not yet supported.  */
+
+	LWS_CALLBACK_CLIENT_HTTP_WRITEABLE			= 57,
+	/**< when doing an HTTP type client connection, you can call
+	 * lws_client_http_body_pending(wsi, 1) from
+	 * LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER to get these callbacks
+	 * sending the HTTP headers.
+	 *
+	 * From this callback, when you have sent everything, you should let
+	 * lws know by calling lws_client_http_body_pending(wsi, 0)
+	 */
+
+	LWS_CALLBACK_CLIENT_HTTP_BIND_PROTOCOL			= 85,
+	LWS_CALLBACK_CLIENT_HTTP_DROP_PROTOCOL			= 76,
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to Websocket Server -----
+	 */
+
+	LWS_CALLBACK_ESTABLISHED				=  0,
+	/**< (VH) after the server completes a handshake with an incoming
+	 * client.  If you built the library with ssl support, in is a
+	 * pointer to the ssl struct associated with the connection or NULL.
+	 *
+	 * b0 of len is set if the connection was made using ws-over-h2
+	 */
+
+	LWS_CALLBACK_CLOSED					=  4,
+	/**< when the websocket session ends */
+
+	LWS_CALLBACK_SERVER_WRITEABLE				= 11,
+	/**< See LWS_CALLBACK_CLIENT_WRITEABLE */
+
+	LWS_CALLBACK_RECEIVE					=  6,
+	/**< data has appeared for this server endpoint from a
+	 * remote client, it can be found at *in and is
+	 * len bytes long */
+
+	LWS_CALLBACK_RECEIVE_PONG				=  7,
+	/**< servers receive PONG packets with this callback reason */
+
+	LWS_CALLBACK_WS_PEER_INITIATED_CLOSE			= 38,
+	/**< The peer has sent an unsolicited Close WS packet.  in and
+	 * len are the optional close code (first 2 bytes, network
+	 * order) and the optional additional information which is not
+	 * defined in the standard, and may be a string or non human-readable
+	 * data.
+	 * If you return 0 lws will echo the close and then close the
+	 * connection.  If you return nonzero lws will just close the
+	 * connection. */
+
+	LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION			= 20,
+	/**< called when the handshake has
+	 * been received and parsed from the client, but the response is
+	 * not sent yet.  Return non-zero to disallow the connection.
+	 * user is a pointer to the connection user space allocation,
+	 * in is the requested protocol name
+	 * In your handler you can use the public APIs
+	 * lws_hdr_total_length() / lws_hdr_copy() to access all of the
+	 * headers using the header enums lws_token_indexes from
+	 * libwebsockets.h to check for and read the supported header
+	 * presence and content before deciding to allow the handshake
+	 * to proceed or to kill the connection. */
+
+	LWS_CALLBACK_CONFIRM_EXTENSION_OKAY			= 25,
+	/**< When the server handshake code
+	 * sees that it does support a requested extension, before
+	 * accepting the extension by additing to the list sent back to
+	 * the client it gives this callback just to check that it's okay
+	 * to use that extension.  It calls back to the requested protocol
+	 * and with in being the extension name, len is 0 and user is
+	 * valid.  Note though at this time the ESTABLISHED callback hasn't
+	 * happened yet so if you initialize user content there, user
+	 * content during this callback might not be useful for anything. */
+
+	LWS_CALLBACK_WS_SERVER_BIND_PROTOCOL			= 77,
+	LWS_CALLBACK_WS_SERVER_DROP_PROTOCOL			= 78,
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to Websocket Client -----
+	 */
+
+	LWS_CALLBACK_CLIENT_CONNECTION_ERROR			=  1,
+	/**< the request client connection has been unable to complete a
+	 * handshake with the remote server.  If in is non-NULL, you can
+	 * find an error string of length len where it points to
+	 *
+	 * Diagnostic strings that may be returned include
+	 *
+	 *     	"getaddrinfo (ipv6) failed"
+	 *     	"unknown address family"
+	 *     	"getaddrinfo (ipv4) failed"
+	 *     	"set socket opts failed"
+	 *     	"insert wsi failed"
+	 *     	"lws_ssl_client_connect1 failed"
+	 *     	"lws_ssl_client_connect2 failed"
+	 *     	"Peer hung up"
+	 *     	"read failed"
+	 *     	"HS: URI missing"
+	 *     	"HS: Redirect code but no Location"
+	 *     	"HS: URI did not parse"
+	 *     	"HS: Redirect failed"
+	 *     	"HS: Server did not return 200"
+	 *     	"HS: OOM"
+	 *     	"HS: disallowed by client filter"
+	 *     	"HS: disallowed at ESTABLISHED"
+	 *     	"HS: ACCEPT missing"
+	 *     	"HS: ws upgrade response not 101"
+	 *     	"HS: UPGRADE missing"
+	 *     	"HS: Upgrade to something other than websocket"
+	 *     	"HS: CONNECTION missing"
+	 *     	"HS: UPGRADE malformed"
+	 *     	"HS: PROTOCOL malformed"
+	 *     	"HS: Cannot match protocol"
+	 *     	"HS: EXT: list too big"
+	 *     	"HS: EXT: failed setting defaults"
+	 *     	"HS: EXT: failed parsing defaults"
+	 *     	"HS: EXT: failed parsing options"
+	 *     	"HS: EXT: Rejects server options"
+	 *     	"HS: EXT: unknown ext"
+	 *     	"HS: Accept hash wrong"
+	 *     	"HS: Rejected by filter cb"
+	 *     	"HS: OOM"
+	 *     	"HS: SO_SNDBUF failed"
+	 *     	"HS: Rejected at CLIENT_ESTABLISHED"
+	 */
+
+	LWS_CALLBACK_CLIENT_FILTER_PRE_ESTABLISH		=  2,
+	/**< this is the last chance for the client user code to examine the
+	 * http headers and decide to reject the connection.  If the
+	 * content in the headers is interesting to the
+	 * client (url, etc) it needs to copy it out at
+	 * this point since it will be destroyed before
+	 * the CLIENT_ESTABLISHED call */
+
+	LWS_CALLBACK_CLIENT_ESTABLISHED				=  3,
+	/**< after your client connection completed the websocket upgrade
+	 * handshake with the remote server */
+
+	LWS_CALLBACK_CLIENT_CLOSED				= 75,
+	/**< when a client websocket session ends */
+
+	LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER		= 24,
+	/**< this callback happens
+	 * when a client handshake is being compiled.  user is NULL,
+	 * in is a char **, it's pointing to a char * which holds the
+	 * next location in the header buffer where you can add
+	 * headers, and len is the remaining space in the header buffer,
+	 * which is typically some hundreds of bytes.  So, to add a canned
+	 * cookie, your handler code might look similar to:
+	 *
+	 *	char **p = (char **)in, *end = (*p) + len;
+	 *
+	 *	if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_COOKIE,
+	 *			(unsigned char)"a=b", 3, p, end))
+	 *		return -1;
+	 *
+	 * See LWS_CALLBACK_ADD_HEADERS for adding headers to server
+	 * transactions.
+	 */
+
+	LWS_CALLBACK_CLIENT_RECEIVE				=  8,
+	/**< data has appeared from the server for the client connection, it
+	 * can be found at *in and is len bytes long */
+
+	LWS_CALLBACK_CLIENT_RECEIVE_PONG			=  9,
+	/**< clients receive PONG packets with this callback reason */
+
+	LWS_CALLBACK_CLIENT_WRITEABLE				= 10,
+	/**<  If you call lws_callback_on_writable() on a connection, you will
+	 * get one of these callbacks coming when the connection socket
+	 * is able to accept another write packet without blocking.
+	 * If it already was able to take another packet without blocking,
+	 * you'll get this callback at the next call to the service loop
+	 * function.  Notice that CLIENTs get LWS_CALLBACK_CLIENT_WRITEABLE
+	 * and servers get LWS_CALLBACK_SERVER_WRITEABLE. */
+
+	LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED		= 26,
+	/**< When a ws client
+	 * connection is being prepared to start a handshake to a server,
+	 * each supported extension is checked with protocols[0] callback
+	 * with this reason, giving the user code a chance to suppress the
+	 * claim to support that extension by returning non-zero.  If
+	 * unhandled, by default 0 will be returned and the extension
+	 * support included in the header to the server.  Notice this
+	 * callback comes to protocols[0]. */
+
+	LWS_CALLBACK_WS_EXT_DEFAULTS				= 39,
+	/**< Gives client connections an opportunity to adjust negotiated
+	 * extension defaults.  `user` is the extension name that was
+	 * negotiated (eg, "permessage-deflate").  `in` points to a
+	 * buffer and `len` is the buffer size.  The user callback can
+	 * set the buffer to a string describing options the extension
+	 * should parse.  Or just ignore for defaults. */
+
+
+	LWS_CALLBACK_FILTER_NETWORK_CONNECTION			= 17,
+	/**< called when a client connects to
+	 * the server at network level; the connection is accepted but then
+	 * passed to this callback to decide whether to hang up immediately
+	 * or not, based on the client IP.  in contains the connection
+	 * socket's descriptor. Since the client connection information is
+	 * not available yet, wsi still pointing to the main server socket.
+	 * Return non-zero to terminate the connection before sending or
+	 * receiving anything. Because this happens immediately after the
+	 * network connection from the client, there's no websocket protocol
+	 * selected yet so this callback is issued only to protocol 0. */
+
+	LWS_CALLBACK_WS_CLIENT_BIND_PROTOCOL			= 79,
+	LWS_CALLBACK_WS_CLIENT_DROP_PROTOCOL			= 80,
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to external poll loop integration  -----
+	 */
+
+	LWS_CALLBACK_GET_THREAD_ID				= 31,
+	/**< lws can accept callback when writable requests from other
+	 * threads, if you implement this callback and return an opaque
+	 * current thread ID integer. */
+
+	/* external poll() management support */
+	LWS_CALLBACK_ADD_POLL_FD				= 32,
+	/**< lws normally deals with its poll() or other event loop
+	 * internally, but in the case you are integrating with another
+	 * server you will need to have lws sockets share a
+	 * polling array with the other server.  This and the other
+	 * POLL_FD related callbacks let you put your specialized
+	 * poll array interface code in the callback for protocol 0, the
+	 * first protocol you support, usually the HTTP protocol in the
+	 * serving case.
+	 * This callback happens when a socket needs to be
+	 * added to the polling loop: in points to a struct
+	 * lws_pollargs; the fd member of the struct is the file
+	 * descriptor, and events contains the active events
+	 *
+	 * If you are using the internal lws polling / event loop
+	 * you can just ignore these callbacks. */
+
+	LWS_CALLBACK_DEL_POLL_FD				= 33,
+	/**< This callback happens when a socket descriptor
+	 * needs to be removed from an external polling array.  in is
+	 * again the struct lws_pollargs containing the fd member
+	 * to be removed.  If you are using the internal polling
+	 * loop, you can just ignore it. */
+
+	LWS_CALLBACK_CHANGE_MODE_POLL_FD			= 34,
+	/**< This callback happens when lws wants to modify the events for
+	 * a connection.
+	 * in is the struct lws_pollargs with the fd to change.
+	 * The new event mask is in events member and the old mask is in
+	 * the prev_events member.
+	 * If you are using the internal polling loop, you can just ignore
+	 * it. */
+
+	LWS_CALLBACK_LOCK_POLL					= 35,
+	/**< These allow the external poll changes driven
+	 * by lws to participate in an external thread locking
+	 * scheme around the changes, so the whole thing is threadsafe.
+	 * These are called around three activities in the library,
+	 *	- inserting a new wsi in the wsi / fd table (len=1)
+	 *	- deleting a wsi from the wsi / fd table (len=1)
+	 *	- changing a wsi's POLLIN/OUT state (len=0)
+	 * Locking and unlocking external synchronization objects when
+	 * len == 1 allows external threads to be synchronized against
+	 * wsi lifecycle changes if it acquires the same lock for the
+	 * duration of wsi dereference from the other thread context. */
+
+	LWS_CALLBACK_UNLOCK_POLL				= 36,
+	/**< See LWS_CALLBACK_LOCK_POLL, ignore if using lws internal poll */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to CGI serving -----
+	 */
+
+	LWS_CALLBACK_CGI					= 40,
+	/**< CGI: CGI IO events on stdin / out / err are sent here on
+	 * protocols[0].  The provided `lws_callback_http_dummy()`
+	 * handles this and the callback should be directed there if
+	 * you use CGI. */
+
+	LWS_CALLBACK_CGI_TERMINATED				= 41,
+	/**< CGI: The related CGI process ended, this is called before
+	 * the wsi is closed.  Used to, eg, terminate chunking.
+	 * The provided `lws_callback_http_dummy()`
+	 * handles this and the callback should be directed there if
+	 * you use CGI.  The child PID that terminated is in len. */
+
+	LWS_CALLBACK_CGI_STDIN_DATA				= 42,
+	/**< CGI: Data is, to be sent to the CGI process stdin, eg from
+	 * a POST body.  The provided `lws_callback_http_dummy()`
+	 * handles this and the callback should be directed there if
+	 * you use CGI. */
+
+	LWS_CALLBACK_CGI_STDIN_COMPLETED			= 43,
+	/**< CGI: no more stdin is coming.  The provided
+	 * `lws_callback_http_dummy()` handles this and the callback
+	 * should be directed there if you use CGI. */
+
+	LWS_CALLBACK_CGI_PROCESS_ATTACH				= 70,
+	/**< CGI: Sent when the CGI process is spawned for the wsi.  The
+	 * len parameter is the PID of the child process */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to Generic Sessions -----
+	 */
+
+	LWS_CALLBACK_SESSION_INFO				= 54,
+	/**< This is only generated by user code using generic sessions.
+	 * It's used to get a `struct lws_session_info` filled in by
+	 * generic sessions with information about the logged-in user.
+	 * See the messageboard sample for an example of how to use. */
+
+	LWS_CALLBACK_GS_EVENT					= 55,
+	/**< Indicates an event happened to the Generic Sessions session.
+	 * `in` contains a `struct lws_gs_event_args` describing the event. */
+
+	LWS_CALLBACK_HTTP_PMO					= 56,
+	/**< per-mount options for this connection, called before
+	 * the normal LWS_CALLBACK_HTTP when the mount has per-mount
+	 * options.
+	 */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to RAW sockets -----
+	 */
+
+	LWS_CALLBACK_RAW_RX					= 59,
+	/**< RAW mode connection RX */
+
+	LWS_CALLBACK_RAW_CLOSE					= 60,
+	/**< RAW mode connection is closing */
+
+	LWS_CALLBACK_RAW_WRITEABLE				= 61,
+	/**< RAW mode connection may be written */
+
+	LWS_CALLBACK_RAW_ADOPT					= 62,
+	/**< RAW mode connection was adopted (equivalent to 'wsi created') */
+
+	LWS_CALLBACK_RAW_SKT_BIND_PROTOCOL			= 81,
+	LWS_CALLBACK_RAW_SKT_DROP_PROTOCOL			= 82,
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to RAW file handles -----
+	 */
+
+	LWS_CALLBACK_RAW_ADOPT_FILE				= 63,
+	/**< RAW mode file was adopted (equivalent to 'wsi created') */
+
+	LWS_CALLBACK_RAW_RX_FILE				= 64,
+	/**< This is the indication the RAW mode file has something to read.
+	 *   This doesn't actually do the read of the file and len is always
+	 *   0... your code should do the read having been informed there is
+	 *   something to read now. */
+
+	LWS_CALLBACK_RAW_WRITEABLE_FILE				= 65,
+	/**< RAW mode file is writeable */
+
+	LWS_CALLBACK_RAW_CLOSE_FILE				= 66,
+	/**< RAW mode wsi that adopted a file is closing */
+
+	LWS_CALLBACK_RAW_FILE_BIND_PROTOCOL			= 83,
+	LWS_CALLBACK_RAW_FILE_DROP_PROTOCOL			= 84,
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to generic wsi events -----
+	 */
+
+	LWS_CALLBACK_TIMER					= 73,
+	/**< When the time elapsed after a call to
+	 * lws_set_timer_usecs(wsi, usecs) is up, the wsi will get one of
+	 * these callbacks.  The deadline can be continuously extended into the
+	 * future by later calls to lws_set_timer_usecs() before the deadline
+	 * expires, or cancelled by lws_set_timer_usecs(wsi, -1);
+	 */
+
+	LWS_CALLBACK_EVENT_WAIT_CANCELLED			= 71,
+	/**< This is sent to every protocol of every vhost in response
+	 * to lws_cancel_service() or lws_cancel_service_pt().  This
+	 * callback is serialized in the lws event loop normally, even
+	 * if the lws_cancel_service[_pt]() call was from a different
+	 * thread. */
+
+	LWS_CALLBACK_CHILD_CLOSING				= 69,
+	/**< Sent to parent to notify them a child is closing / being
+	 * destroyed.  in is the child wsi.
+	 */
+
+	/* ---------------------------------------------------------------------
+	 * ----- Callbacks related to TLS certificate management -----
+	 */
+
+	LWS_CALLBACK_VHOST_CERT_AGING				= 72,
+	/**< When a vhost TLS cert has its expiry checked, this callback
+	 * is broadcast to every protocol of every vhost in case the
+	 * protocol wants to take some action with this information.
+	 * \p in is a pointer to a struct lws_acme_cert_aging_args,
+	 * and \p len is the number of days left before it expires, as
+	 * a (ssize_t).  In the struct lws_acme_cert_aging_args, vh
+	 * points to the vhost the cert aging information applies to,
+	 * and element_overrides[] is an optional way to update information
+	 * from the pvos... NULL in an index means use the information from
+	 * from the pvo for the cert renewal, non-NULL in the array index
+	 * means use that pointer instead for the index. */
+
+	LWS_CALLBACK_VHOST_CERT_UPDATE				= 74,
+	/**< When a vhost TLS cert is being updated, progress is
+	 * reported to the vhost in question here, including completion
+	 * and failure.  in points to optional JSON, and len represents the
+	 * connection state using enum lws_cert_update_state */
+
+
+	/****** add new things just above ---^ ******/
+
+	LWS_CALLBACK_USER = 1000,
+	/**<  user code can use any including above without fear of clashes */
+};
+
+
+
+/**
+ * typedef lws_callback_function() - User server actions
+ * \param wsi:	Opaque websocket instance pointer
+ * \param reason:	The reason for the call
+ * \param user:	Pointer to per-session user data allocated by library
+ * \param in:		Pointer used for some callback reasons
+ * \param len:	Length set for some callback reasons
+ *
+ *	This callback is the way the user controls what is served.  All the
+ *	protocol detail is hidden and handled by the library.
+ *
+ *	For each connection / session there is user data allocated that is
+ *	pointed to by "user".  You set the size of this user data area when
+ *	the library is initialized with lws_create_server.
+ */
+typedef int
+lws_callback_function(struct lws *wsi, enum lws_callback_reasons reason,
+		    void *user, void *in, size_t len);
+
+#define LWS_CB_REASON_AUX_BF__CGI		1
+#define LWS_CB_REASON_AUX_BF__PROXY		2
+#define LWS_CB_REASON_AUX_BF__CGI_CHUNK_END	4
+#define LWS_CB_REASON_AUX_BF__CGI_HEADERS	8
+#define LWS_CB_REASON_AUX_BF__PROXY_TRANS_END	16
+#define LWS_CB_REASON_AUX_BF__PROXY_HEADERS	32
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-cgi.h b/thirdparty/libwebsockets/include/libwebsockets/lws-cgi.h
new file mode 100644
index 0000000000..7a5eca2855
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-cgi.h
@@ -0,0 +1,103 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup cgi cgi handling
+ *
+ * ##CGI handling
+ *
+ * These functions allow low-level control over stdin/out/err of the cgi.
+ *
+ * However for most cases, binding the cgi to http in and out, the default
+ * lws implementation already does the right thing.
+ */
+
+enum lws_enum_stdinouterr {
+	LWS_STDIN = 0,
+	LWS_STDOUT = 1,
+	LWS_STDERR = 2,
+};
+
+enum lws_cgi_hdr_state {
+	LCHS_HEADER,
+	LCHS_CR1,
+	LCHS_LF1,
+	LCHS_CR2,
+	LCHS_LF2,
+	LHCS_RESPONSE,
+	LHCS_DUMP_HEADERS,
+	LHCS_PAYLOAD,
+	LCHS_SINGLE_0A,
+};
+
+struct lws_cgi_args {
+	struct lws **stdwsi; /**< get fd with lws_get_socket_fd() */
+	enum lws_enum_stdinouterr ch; /**< channel index */
+	unsigned char *data; /**< for messages with payload */
+	enum lws_cgi_hdr_state hdr_state; /**< track where we are in cgi headers */
+	int len; /**< length */
+};
+
+#ifdef LWS_WITH_CGI
+/**
+ * lws_cgi: spawn network-connected cgi process
+ *
+ * \param wsi: connection to own the process
+ * \param exec_array: array of "exec-name" "arg1" ... "argn" NULL
+ * \param script_uri_path_len: how many chars on the left of the uri are the
+ *        path to the cgi, or -1 to spawn without URL-related env vars
+ * \param timeout_secs: seconds script should be allowed to run
+ * \param mp_cgienv: pvo list with per-vhost cgi options to put in env
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_cgi(struct lws *wsi, const char * const *exec_array,
+	int script_uri_path_len, int timeout_secs,
+	const struct lws_protocol_vhost_options *mp_cgienv);
+
+/**
+ * lws_cgi_write_split_stdout_headers: write cgi output accounting for header part
+ *
+ * \param wsi: connection to own the process
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_cgi_write_split_stdout_headers(struct lws *wsi);
+
+/**
+ * lws_cgi_kill: terminate cgi process associated with wsi
+ *
+ * \param wsi: connection to own the process
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_cgi_kill(struct lws *wsi);
+
+/**
+ * lws_cgi_get_stdwsi: get wsi for stdin, stdout, or stderr
+ *
+ * \param wsi: parent wsi that has cgi
+ * \param ch: which of LWS_STDIN, LWS_STDOUT or LWS_STDERR
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_cgi_get_stdwsi(struct lws *wsi, enum lws_enum_stdinouterr ch);
+
+#endif
+///@}
+
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-client.h b/thirdparty/libwebsockets/include/libwebsockets/lws-client.h
new file mode 100644
index 0000000000..a1661b0a9f
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-client.h
@@ -0,0 +1,231 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup client Client related functions
+ * ##Client releated functions
+ * \ingroup lwsapi
+ *
+ * */
+///@{
+
+/** enum lws_client_connect_ssl_connection_flags - flags that may be used
+ * with struct lws_client_connect_info ssl_connection member to control if
+ * and how SSL checks apply to the client connection being created
+ */
+
+enum lws_client_connect_ssl_connection_flags {
+	LCCSCF_USE_SSL 				= (1 << 0),
+	LCCSCF_ALLOW_SELFSIGNED			= (1 << 1),
+	LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK	= (1 << 2),
+	LCCSCF_ALLOW_EXPIRED			= (1 << 3),
+
+	LCCSCF_PIPELINE				= (1 << 16),
+		/**< Serialize / pipeline multiple client connections
+		 * on a single connection where possible.
+		 *
+		 * HTTP/1.0: possible if Keep-Alive: yes sent by server
+		 * HTTP/1.1: always possible... uses pipelining
+		 * HTTP/2:   always possible... uses parallel streams
+		 * */
+};
+
+/** struct lws_client_connect_info - parameters to connect with when using
+ *				    lws_client_connect_via_info() */
+
+struct lws_client_connect_info {
+	struct lws_context *context;
+	/**< lws context to create connection in */
+	const char *address;
+	/**< remote address to connect to */
+	int port;
+	/**< remote port to connect to */
+	int ssl_connection;
+	/**< 0, or a combination of LCCSCF_ flags */
+	const char *path;
+	/**< uri path */
+	const char *host;
+	/**< content of host header */
+	const char *origin;
+	/**< content of origin header */
+	const char *protocol;
+	/**< list of ws protocols we could accept */
+	int ietf_version_or_minus_one;
+	/**< deprecated: currently leave at 0 or -1 */
+	void *userdata;
+	/**< if non-NULL, use this as wsi user_data instead of malloc it */
+	const void *client_exts;
+	/**< UNUSED... provide in info.extensions at context creation time */
+	const char *method;
+	/**< if non-NULL, do this http method instead of ws[s] upgrade.
+	 * use "GET" to be a simple http client connection.  "RAW" gets
+	 * you a connected socket that lws itself will leave alone once
+	 * connected. */
+	struct lws *parent_wsi;
+	/**< if another wsi is responsible for this connection, give it here.
+	 * this is used to make sure if the parent closes so do any
+	 * child connections first. */
+	const char *uri_replace_from;
+	/**< if non-NULL, when this string is found in URIs in
+	 * text/html content-encoding, it's replaced with uri_replace_to */
+	const char *uri_replace_to;
+	/**< see uri_replace_from */
+	struct lws_vhost *vhost;
+	/**< vhost to bind to (used to determine related SSL_CTX) */
+	struct lws **pwsi;
+	/**< if not NULL, store the new wsi here early in the connection
+	 * process.  Although we return the new wsi, the call to create the
+	 * client connection does progress the connection somewhat and may
+	 * meet an error that will result in the connection being scrubbed and
+	 * NULL returned.  While the wsi exists though, he may process a
+	 * callback like CLIENT_CONNECTION_ERROR with his wsi: this gives the
+	 * user callback a way to identify which wsi it is that faced the error
+	 * even before the new wsi is returned and even if ultimately no wsi
+	 * is returned.
+	 */
+	const char *iface;
+	/**< NULL to allow routing on any interface, or interface name or IP
+	 * to bind the socket to */
+	const char *local_protocol_name;
+	/**< NULL: .protocol is used both to select the local protocol handler
+	 *         to bind to and as the list of remote ws protocols we could
+	 *         accept.
+	 *   non-NULL: this protocol name is used to bind the connection to
+	 *             the local protocol handler.  .protocol is used for the
+	 *             list of remote ws protocols we could accept */
+	const char *alpn;
+	/**< NULL: allow lws default ALPN list, from vhost if present or from
+	 *       list of roles built into lws
+	 * non-NULL: require one from provided comma-separated list of alpn
+	 *           tokens
+	 */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility
+	 *
+	 * The below is to ensure later library versions with new
+	 * members added above will see 0 (default) even if the app
+	 * was not built against the newer headers.
+	 */
+
+	void *_unused[4]; /**< dummy */
+};
+
+/**
+ * lws_client_connect_via_info() - Connect to another websocket server
+ * \param ccinfo: pointer to lws_client_connect_info struct
+ *
+ *	This function creates a connection to a remote server using the
+ *	information provided in ccinfo.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws *
+lws_client_connect_via_info(const struct lws_client_connect_info *ccinfo);
+
+/**
+ * lws_init_vhost_client_ssl() - also enable client SSL on an existing vhost
+ *
+ * \param info: client ssl related info
+ * \param vhost: which vhost to initialize client ssl operations on
+ *
+ * You only need to call this if you plan on using SSL client connections on
+ * the vhost.  For non-SSL client connections, it's not necessary to call this.
+ *
+ * The following members of info are used during the call
+ *
+ *	 - options must have LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT set,
+ *	     otherwise the call does nothing
+ *	 - provided_client_ssl_ctx must be NULL to get a generated client
+ *	     ssl context, otherwise you can pass a prepared one in by setting it
+ *	 - ssl_cipher_list may be NULL or set to the client valid cipher list
+ *	 - ssl_ca_filepath may be NULL or client cert filepath
+ *	 - ssl_cert_filepath may be NULL or client cert filepath
+ *	 - ssl_private_key_filepath may be NULL or client cert private key
+ *
+ * You must create your vhost explicitly if you want to use this, so you have
+ * a pointer to the vhost.  Create the context first with the option flag
+ * LWS_SERVER_OPTION_EXPLICIT_VHOSTS and then call lws_create_vhost() with
+ * the same info struct.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_init_vhost_client_ssl(const struct lws_context_creation_info *info,
+			  struct lws_vhost *vhost);
+/**
+ * lws_http_client_read() - consume waiting received http client data
+ *
+ * \param wsi: client connection
+ * \param buf: pointer to buffer pointer - fill with pointer to your buffer
+ * \param len: pointer to chunk length - fill with max length of buffer
+ *
+ * This is called when the user code is notified client http data has arrived.
+ * The user code may choose to delay calling it to consume the data, for example
+ * waiting until an onward connection is writeable.
+ *
+ * For non-chunked connections, up to len bytes of buf are filled with the
+ * received content.  len is set to the actual amount filled before return.
+ *
+ * For chunked connections, the linear buffer content contains the chunking
+ * headers and it cannot be passed in one lump.  Instead, this function will
+ * call back LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ with in pointing to the
+ * chunk start and len set to the chunk length.  There will be as many calls
+ * as there are chunks or partial chunks in the buffer.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_http_client_read(struct lws *wsi, char **buf, int *len);
+
+/**
+ * lws_http_client_http_response() - get last HTTP response code
+ *
+ * \param wsi: client connection
+ *
+ * Returns the last server response code, eg, 200 for client http connections.
+ *
+ * You should capture this during the LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP
+ * callback, because after that the memory reserved for storing the related
+ * headers is freed and this value is lost.
+ */
+LWS_VISIBLE LWS_EXTERN unsigned int
+lws_http_client_http_response(struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_client_http_body_pending(struct lws *wsi, int something_left_to_send);
+
+/**
+ * lws_client_http_body_pending() - control if client connection neeeds to send body
+ *
+ * \param wsi: client connection
+ * \param something_left_to_send: nonzero if need to send more body, 0 (default)
+ * 				if nothing more to send
+ *
+ * If you will send payload data with your HTTP client connection, eg, for POST,
+ * when you set the related http headers in
+ * LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER callback you should also call
+ * this API with something_left_to_send nonzero, and call
+ * lws_callback_on_writable(wsi);
+ *
+ * After sending the headers, lws will call your callback with
+ * LWS_CALLBACK_CLIENT_HTTP_WRITEABLE reason when writable.  You can send the
+ * next part of the http body payload, calling lws_callback_on_writable(wsi);
+ * if there is more to come, or lws_client_http_body_pending(wsi, 0); to
+ * let lws know the last part is sent and the connection can move on.
+ */
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-context-vhost.h b/thirdparty/libwebsockets/include/libwebsockets/lws-context-vhost.h
new file mode 100644
index 0000000000..a63d708629
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-context-vhost.h
@@ -0,0 +1,927 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup context-and-vhost context and vhost related functions
+ * ##Context and Vhost releated functions
+ * \ingroup lwsapi
+ *
+ *
+ *  LWS requires that there is one context, in which you may define multiple
+ *  vhosts.  Each vhost is a virtual host, with either its own listen port
+ *  or sharing an existing one.  Each vhost has its own SSL context that can
+ *  be set up individually or left disabled.
+ *
+ *  If you don't care about multiple "site" support, you can ignore it and
+ *  lws will create a single default vhost at context creation time.
+ */
+///@{
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+
+/** enum lws_context_options - context and vhost options */
+enum lws_context_options {
+	LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT	= (1 << 1) |
+								  (1 << 12),
+	/**< (VH) Don't allow the connection unless the client has a
+	 * client cert that we recognize; provides
+	 * LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT */
+	LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME		= (1 << 2),
+	/**< (CTX) Don't try to get the server's hostname */
+	LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT		= (1 << 3) |
+								  (1 << 12),
+	/**< (VH) Allow non-SSL (plaintext) connections on the same
+	 * port as SSL is listening... undermines the security of SSL;
+	 * provides  LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT */
+	LWS_SERVER_OPTION_LIBEV					= (1 << 4),
+	/**< (CTX) Use libev event loop */
+	LWS_SERVER_OPTION_DISABLE_IPV6				= (1 << 5),
+	/**< (VH) Disable IPV6 support */
+	LWS_SERVER_OPTION_DISABLE_OS_CA_CERTS			= (1 << 6),
+	/**< (VH) Don't load OS CA certs, you will need to load your
+	 * own CA cert(s) */
+	LWS_SERVER_OPTION_PEER_CERT_NOT_REQUIRED		= (1 << 7),
+	/**< (VH) Accept connections with no valid Cert (eg, selfsigned) */
+	LWS_SERVER_OPTION_VALIDATE_UTF8				= (1 << 8),
+	/**< (VH) Check UT-8 correctness */
+	LWS_SERVER_OPTION_SSL_ECDH				= (1 << 9) |
+								  (1 << 12),
+	/**< (VH)  initialize ECDH ciphers */
+	LWS_SERVER_OPTION_LIBUV					= (1 << 10),
+	/**< (CTX)  Use libuv event loop */
+	LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS		= (1 << 11) |
+								  (1 << 12),
+	/**< (VH) Use http redirect to force http to https
+	 * (deprecated: use mount redirection) */
+	LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT			= (1 << 12),
+	/**< (CTX) Initialize the SSL library at all */
+	LWS_SERVER_OPTION_EXPLICIT_VHOSTS			= (1 << 13),
+	/**< (CTX) Only create the context when calling context
+	 * create api, implies user code will create its own vhosts */
+	LWS_SERVER_OPTION_UNIX_SOCK				= (1 << 14),
+	/**< (VH) Use Unix socket */
+	LWS_SERVER_OPTION_STS					= (1 << 15),
+	/**< (VH) Send Strict Transport Security header, making
+	 * clients subsequently go to https even if user asked for http */
+	LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY			= (1 << 16),
+	/**< (VH) Enable LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE to take effect */
+	LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE			= (1 << 17),
+	/**< (VH) if set, only ipv6 allowed on the vhost */
+	LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN		= (1 << 18),
+	/**< (CTX) Libuv only: Do not spin on SIGSEGV / SIGFPE.  A segfault
+	 * normally makes the lib spin so you can attach a debugger to it
+	 * even if it happened without a debugger in place.  You can disable
+	 * that by giving this option.
+	 */
+	LWS_SERVER_OPTION_JUST_USE_RAW_ORIGIN			= (1 << 19),
+	/**< For backwards-compatibility reasons, by default
+	 * lws prepends "http://" to the origin you give in the client
+	 * connection info struct.  If you give this flag when you create
+	 * the context, only the string you give in the client connect
+	 * info for .origin (if any) will be used directly.
+	 */
+	LWS_SERVER_OPTION_FALLBACK_TO_RAW			= (1 << 20),
+	/**< (VH) if invalid http is coming in the first line,  */
+	LWS_SERVER_OPTION_LIBEVENT				= (1 << 21),
+	/**< (CTX) Use libevent event loop */
+	LWS_SERVER_OPTION_ONLY_RAW				= (1 << 22),
+	/**< (VH) All connections to this vhost / port are RAW as soon as
+	 * the connection is accepted, no HTTP is going to be coming.
+	 */
+	LWS_SERVER_OPTION_ALLOW_LISTEN_SHARE			= (1 << 23),
+	/**< (VH) Set to allow multiple listen sockets on one interface +
+	 * address + port.  The default is to strictly allow only one
+	 * listen socket at a time.  This is automatically selected if you
+	 * have multiple service threads.
+	 */
+	LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX			= (1 << 24),
+	/**< (VH) Force setting up the vhost SSL_CTX, even though the user
+	 * code doesn't explicitly provide a cert in the info struct.  It
+	 * implies the user code is going to provide a cert at the
+	 * LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS callback, which
+	 * provides the vhost SSL_CTX * in the user parameter.
+	 */
+	LWS_SERVER_OPTION_SKIP_PROTOCOL_INIT			= (1 << 25),
+	/**< (VH) You probably don't want this.  It forces this vhost to not
+	 * call LWS_CALLBACK_PROTOCOL_INIT on its protocols.  It's used in the
+	 * special case of a temporary vhost bound to a single protocol.
+	 */
+	LWS_SERVER_OPTION_IGNORE_MISSING_CERT			= (1 << 26),
+	/**< (VH) Don't fail if the vhost TLS cert or key are missing, just
+	 * continue.  The vhost won't be able to serve anything, but if for
+	 * example the ACME plugin was configured to fetch a cert, this lets
+	 * you bootstrap your vhost from having no cert to start with.
+	 */
+	LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK		= (1 << 27),
+	/**< (VH) On this vhost, if the connection is being upgraded, insist
+	 * that there's a Host: header and that the contents match the vhost
+	 * name + port (443 / 80 are assumed if no :port given based on if the
+	 * connection is using TLS).
+	 *
+	 * By default, without this flag, on upgrade lws just checks that the
+	 * Host: header was given without checking the contents... this is to
+	 * allow lax hostname mappings like localhost / 127.0.0.1, and CNAME
+	 * mappings like www.mysite.com / mysite.com
+	 */
+	LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE	= (1 << 28),
+	/**< (VH) Send lws default HTTP headers recommended by Mozilla
+	 * Observatory for security.  This is a helper option that sends canned
+	 * headers on each http response enabling a VERY strict Content Security
+	 * Policy.  The policy is so strict, for example it won't let the page
+	 * run its own inline JS nor show images or take CSS from a different
+	 * server.  In many cases your JS only comes from your server as do the
+	 * image sources and CSS, so that is what you want... attackers hoping
+	 * to inject JS into your DOM are completely out of luck since even if
+	 * they succeed, it will be rejected for execution by the browser
+	 * according to the strict CSP.  In other cases you have to deviate from
+	 * the complete strictness, in which case don't use this flag: use the
+	 * .headers member in the vhost init described in struct
+	 * lws_context_creation_info instead to send the adapted headers
+	 * yourself.
+	 */
+
+	/****** add new things just above ---^ ******/
+};
+
+#define lws_check_opt(c, f) (((c) & (f)) == (f))
+
+struct lws_plat_file_ops;
+
+/** struct lws_context_creation_info - parameters to create context and /or vhost with
+ *
+ * This is also used to create vhosts.... if LWS_SERVER_OPTION_EXPLICIT_VHOSTS
+ * is not given, then for backwards compatibility one vhost is created at
+ * context-creation time using the info from this struct.
+ *
+ * If LWS_SERVER_OPTION_EXPLICIT_VHOSTS is given, then no vhosts are created
+ * at the same time as the context, they are expected to be created afterwards.
+ */
+struct lws_context_creation_info {
+	int port;
+	/**< VHOST: Port to listen on. Use CONTEXT_PORT_NO_LISTEN to suppress
+	 * listening for a client. Use CONTEXT_PORT_NO_LISTEN_SERVER if you are
+	 * writing a server but you are using \ref sock-adopt instead of the
+	 * built-in listener.
+	 *
+	 * You can also set port to 0, in which case the kernel will pick
+	 * a random port that is not already in use.  You can find out what
+	 * port the vhost is listening on using lws_get_vhost_listen_port() */
+	const char *iface;
+	/**< VHOST: NULL to bind the listen socket to all interfaces, or the
+	 * interface name, eg, "eth2"
+	 * If options specifies LWS_SERVER_OPTION_UNIX_SOCK, this member is
+	 * the pathname of a UNIX domain socket. you can use the UNIX domain
+	 * sockets in abstract namespace, by prepending an at symbol to the
+	 * socket name. */
+	const struct lws_protocols *protocols;
+	/**< VHOST: Array of structures listing supported protocols and a
+	 * protocol-specific callback for each one.  The list is ended with an
+	 * entry that has a NULL callback pointer. */
+	const struct lws_extension *extensions;
+	/**< VHOST: NULL or array of lws_extension structs listing the
+	 * extensions this context supports. */
+	const struct lws_token_limits *token_limits;
+	/**< CONTEXT: NULL or struct lws_token_limits pointer which is
+	 * initialized with a token length limit for each possible WSI_TOKEN_ */
+	const char *ssl_private_key_password;
+	/**< VHOST: NULL or the passphrase needed for the private key. (For
+	 * backwards compatibility, this can also be used to pass the client
+	 * cert passphrase when setting up a vhost client SSL context, but it is
+	 * preferred to use .client_ssl_private_key_password for that.) */
+	const char *ssl_cert_filepath;
+	/**< VHOST: If libwebsockets was compiled to use ssl, and you want
+	 * to listen using SSL, set to the filepath to fetch the
+	 * server cert from, otherwise NULL for unencrypted.  (For backwards
+	 * compatibility, this can also be used to pass the client certificate
+	 * when setting up a vhost client SSL context, but it is preferred to
+	 * use .client_ssl_cert_filepath for that.) */
+	const char *ssl_private_key_filepath;
+	/**<  VHOST: filepath to private key if wanting SSL mode;
+	 * if this is set to NULL but ssl_cert_filepath is set, the
+	 * OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY callback is called
+	 * to allow setting of the private key directly via openSSL
+	 * library calls.   (For backwards compatibility, this can also be used
+	 * to pass the client cert private key filepath when setting up a
+	 * vhost client SSL context, but it is preferred to use
+	 * .client_ssl_private_key_filepath for that.) */
+	const char *ssl_ca_filepath;
+	/**< VHOST: CA certificate filepath or NULL.  (For backwards
+	 * compatibility, this can also be used to pass the client CA
+	 * filepath when setting up a vhost client SSL context,
+	 * but it is preferred to use .client_ssl_ca_filepath for that.) */
+	const char *ssl_cipher_list;
+	/**< VHOST: List of valid ciphers to use ON TLS1.2 AND LOWER ONLY (eg,
+	 * "RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL"
+	 * or you can leave it as NULL to get "DEFAULT" (For backwards
+	 * compatibility, this can also be used to pass the client cipher
+	 * list when setting up a vhost client SSL context,
+	 * but it is preferred to use .client_ssl_cipher_list for that.)
+	 * SEE .tls1_3_plus_cipher_list and .client_tls_1_3_plus_cipher_list
+	 * for the equivalent for tls1.3.
+	 */
+	const char *http_proxy_address;
+	/**< VHOST: If non-NULL, attempts to proxy via the given address.
+	 * If proxy auth is required, use format
+	 * "username:password\@server:port" */
+	unsigned int http_proxy_port;
+	/**< VHOST: If http_proxy_address was non-NULL, uses this port */
+	int gid;
+	/**< CONTEXT: group id to change to after setting listen socket,
+	 *   or -1. */
+	int uid;
+	/**< CONTEXT: user id to change to after setting listen socket,
+	 *   or -1. */
+	unsigned int options;
+	/**< VHOST + CONTEXT: 0, or LWS_SERVER_OPTION_... bitfields */
+	void *user;
+	/**< VHOST + CONTEXT: optional user pointer that will be associated
+	 * with the context when creating the context (and can be retrieved by
+	 * lws_context_user(context), or with the vhost when creating the vhost
+	 * (and can be retrieved by lws_vhost_user(vhost)).  You will need to
+	 * use LWS_SERVER_OPTION_EXPLICIT_VHOSTS and create the vhost separately
+	 * if you care about giving the context and vhost different user pointer
+	 * values.
+	 */
+	int ka_time;
+	/**< CONTEXT: 0 for no TCP keepalive, otherwise apply this keepalive
+	 * timeout to all libwebsocket sockets, client or server */
+	int ka_probes;
+	/**< CONTEXT: if ka_time was nonzero, after the timeout expires how many
+	 * times to try to get a response from the peer before giving up
+	 * and killing the connection */
+	int ka_interval;
+	/**< CONTEXT: if ka_time was nonzero, how long to wait before each ka_probes
+	 * attempt */
+#if defined(LWS_WITH_TLS) && !defined(LWS_WITH_MBEDTLS)
+	SSL_CTX *provided_client_ssl_ctx;
+	/**< CONTEXT: If non-null, swap out libwebsockets ssl
+	  * implementation for the one provided by provided_ssl_ctx.
+	  * Libwebsockets no longer is responsible for freeing the context
+	  * if this option is selected. */
+#else /* maintain structure layout either way */
+	void *provided_client_ssl_ctx; /**< dummy if ssl disabled */
+#endif
+
+	unsigned short max_http_header_data;
+	/**< CONTEXT: The max amount of header payload that can be handled
+	 * in an http request (unrecognized header payload is dropped) */
+	unsigned short max_http_header_pool;
+	/**< CONTEXT: The max number of connections with http headers that
+	 * can be processed simultaneously (the corresponding memory is
+	 * allocated and deallocated dynamically as needed).  If the pool is
+	 * fully busy new incoming connections must wait for accept until one
+	 * becomes free. 0 = allow as many ah as number of availble fds for
+	 * the process */
+
+	unsigned int count_threads;
+	/**< CONTEXT: how many contexts to create in an array, 0 = 1 */
+	unsigned int fd_limit_per_thread;
+	/**< CONTEXT: nonzero means restrict each service thread to this
+	 * many fds, 0 means the default which is divide the process fd
+	 * limit by the number of threads. */
+	unsigned int timeout_secs;
+	/**< VHOST: various processes involving network roundtrips in the
+	 * library are protected from hanging forever by timeouts.  If
+	 * nonzero, this member lets you set the timeout used in seconds.
+	 * Otherwise a default timeout is used. */
+	const char *ecdh_curve;
+	/**< VHOST: if NULL, defaults to initializing server with
+	 *   "prime256v1" */
+	const char *vhost_name;
+	/**< VHOST: name of vhost, must match external DNS name used to
+	 * access the site, like "warmcat.com" as it's used to match
+	 * Host: header and / or SNI name for SSL. */
+	const char * const *plugin_dirs;
+	/**< CONTEXT: NULL, or NULL-terminated array of directories to
+	 * scan for lws protocol plugins at context creation time */
+	const struct lws_protocol_vhost_options *pvo;
+	/**< VHOST: pointer to optional linked list of per-vhost
+	 * options made accessible to protocols */
+	int keepalive_timeout;
+	/**< VHOST: (default = 0 = 5s) seconds to allow remote
+	 * client to hold on to an idle HTTP/1.1 connection */
+	const char *log_filepath;
+	/**< VHOST: filepath to append logs to... this is opened before
+	 *		any dropping of initial privileges */
+	const struct lws_http_mount *mounts;
+	/**< VHOST: optional linked list of mounts for this vhost */
+	const char *server_string;
+	/**< CONTEXT: string used in HTTP headers to identify server
+ *		software, if NULL, "libwebsockets". */
+	unsigned int pt_serv_buf_size;
+	/**< CONTEXT: 0 = default of 4096.  This buffer is used by
+	 * various service related features including file serving, it
+	 * defines the max chunk of file that can be sent at once.
+	 * At the risk of lws having to buffer failed large sends, it
+	 * can be increased to, eg, 128KiB to improve throughput. */
+	unsigned int max_http_header_data2;
+	/**< CONTEXT: if max_http_header_data is 0 and this
+	 * is nonzero, this will be used in place of the default.  It's
+	 * like this for compatibility with the original short version,
+	 * this is unsigned int length. */
+	long ssl_options_set;
+	/**< VHOST: Any bits set here will be set as server SSL options */
+	long ssl_options_clear;
+	/**< VHOST: Any bits set here will be cleared as server SSL options */
+	unsigned short ws_ping_pong_interval;
+	/**< CONTEXT: 0 for none, else interval in seconds between sending
+	 * PINGs on idle websocket connections.  When the PING is sent,
+	 * the PONG must come within the normal timeout_secs timeout period
+	 * or the connection will be dropped.
+	 * Any RX or TX traffic on the connection restarts the interval timer,
+	 * so a connection which always sends or receives something at intervals
+	 * less than the interval given here will never send PINGs / expect
+	 * PONGs.  Conversely as soon as the ws connection is established, an
+	 * idle connection will do the PING / PONG roundtrip as soon as
+	 * ws_ping_pong_interval seconds has passed without traffic
+	 */
+	const struct lws_protocol_vhost_options *headers;
+		/**< VHOST: pointer to optional linked list of per-vhost
+		 * canned headers that are added to server responses */
+
+	const struct lws_protocol_vhost_options *reject_service_keywords;
+	/**< CONTEXT: Optional list of keywords and rejection codes + text.
+	 *
+	 * The keywords are checked for existing in the user agent string.
+	 *
+	 * Eg, "badrobot" "404 Not Found"
+	 */
+	void *external_baggage_free_on_destroy;
+	/**< CONTEXT: NULL, or pointer to something externally malloc'd, that
+	 * should be freed when the context is destroyed.  This allows you to
+	 * automatically sync the freeing action to the context destruction
+	 * action, so there is no need for an external free() if the context
+	 * succeeded to create.
+	 */
+
+	const char *client_ssl_private_key_password;
+	/**< VHOST: Client SSL context init: NULL or the passphrase needed
+	 * for the private key */
+	const char *client_ssl_cert_filepath;
+	/**< VHOST: Client SSL context init:T he certificate the client
+	 * should present to the peer on connection */
+	const char *client_ssl_private_key_filepath;
+	/**<  VHOST: Client SSL context init: filepath to client private key
+	 * if this is set to NULL but client_ssl_cert_filepath is set, you
+	 * can handle the LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS
+	 * callback of protocols[0] to allow setting of the private key directly
+	 * via openSSL library calls */
+	const char *client_ssl_ca_filepath;
+	/**< VHOST: Client SSL context init: CA certificate filepath or NULL */
+	const void *client_ssl_ca_mem;
+	/**< VHOST: Client SSL context init: CA certificate memory buffer or
+	 * NULL... use this to load CA cert from memory instead of file */
+	unsigned int client_ssl_ca_mem_len;
+	/**< VHOST: Client SSL context init: length of client_ssl_ca_mem in
+	 * bytes */
+
+	const char *client_ssl_cipher_list;
+	/**< VHOST: Client SSL context init: List of valid ciphers to use (eg,
+	* "RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL"
+	* or you can leave it as NULL to get "DEFAULT" */
+
+	const struct lws_plat_file_ops *fops;
+	/**< CONTEXT: NULL, or pointer to an array of fops structs, terminated
+	 * by a sentinel with NULL .open.
+	 *
+	 * If NULL, lws provides just the platform file operations struct for
+	 * backwards compatibility.
+	 */
+	int simultaneous_ssl_restriction;
+	/**< CONTEXT: 0 (no limit) or limit of simultaneous SSL sessions
+	 * possible.*/
+	const char *socks_proxy_address;
+	/**< VHOST: If non-NULL, attempts to proxy via the given address.
+	 * If proxy auth is required, use format
+	 * "username:password\@server:port" */
+	unsigned int socks_proxy_port;
+	/**< VHOST: If socks_proxy_address was non-NULL, uses this port */
+#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
+	cap_value_t caps[4];
+	/**< CONTEXT: array holding Linux capabilities you want to
+	 * continue to be available to the server after it transitions
+	 * to a noprivileged user.  Usually none are needed but for, eg,
+	 * .bind_iface, CAP_NET_RAW is required.  This gives you a way
+	 * to still have the capability but drop root.
+	 */
+	char count_caps;
+	/**< CONTEXT: count of Linux capabilities in .caps[].  0 means
+	 * no capabilities will be inherited from root (the default) */
+#endif
+	int bind_iface;
+	/**< VHOST: nonzero to strictly bind sockets to the interface name in
+	 * .iface (eg, "eth2"), using SO_BIND_TO_DEVICE.
+	 *
+	 * Requires SO_BINDTODEVICE support from your OS and CAP_NET_RAW
+	 * capability.
+	 *
+	 * Notice that common things like access network interface IP from
+	 * your local machine use your lo / loopback interface and will be
+	 * disallowed by this.
+	 */
+	int ssl_info_event_mask;
+	/**< VHOST: mask of ssl events to be reported on LWS_CALLBACK_SSL_INFO
+	 * callback for connections on this vhost.  The mask values are of
+	 * the form SSL_CB_ALERT, defined in openssl/ssl.h.  The default of
+	 * 0 means no info events will be reported.
+	 */
+	unsigned int timeout_secs_ah_idle;
+	/**< VHOST: seconds to allow a client to hold an ah without using it.
+	 * 0 defaults to 10s. */
+	unsigned short ip_limit_ah;
+	/**< CONTEXT: max number of ah a single IP may use simultaneously
+	 *	      0 is no limit. This is a soft limit: if the limit is
+	 *	      reached, connections from that IP will wait in the ah
+	 *	      waiting list and not be able to acquire an ah until
+	 *	      a connection belonging to the IP relinquishes one it
+	 *	      already has.
+	 */
+	unsigned short ip_limit_wsi;
+	/**< CONTEXT: max number of wsi a single IP may use simultaneously.
+	 *	      0 is no limit.  This is a hard limit, connections from
+	 *	      the same IP will simply be dropped once it acquires the
+	 *	      amount of simultaneous wsi / accepted connections
+	 *	      given here.
+	 */
+	uint32_t	http2_settings[7];
+	/**< VHOST:  if http2_settings[0] is nonzero, the values given in
+	 *	      http2_settings[1]..[6] are used instead of the lws
+	 *	      platform default values.
+	 *	      Just leave all at 0 if you don't care.
+	 */
+	const char *error_document_404;
+	/**< VHOST: If non-NULL, when asked to serve a non-existent file,
+	 *          lws attempts to server this url path instead.  Eg,
+	 *          "/404.html" */
+	const char *alpn;
+	/**< CONTEXT: If non-NULL, default list of advertised alpn, comma-
+	 *	      separated
+	 *
+	 *     VHOST: If non-NULL, per-vhost list of advertised alpn, comma-
+	 *	      separated
+	 */
+	void **foreign_loops;
+	/**< CONTEXT: This is ignored if the context is not being started with
+	 *		an event loop, ie, .options has a flag like
+	 *		LWS_SERVER_OPTION_LIBUV.
+	 *
+	 *		NULL indicates lws should start its own even loop for
+	 *		each service thread, and deal with closing the loops
+	 *		when the context is destroyed.
+	 *
+	 *		Non-NULL means it points to an array of external
+	 *		("foreign") event loops that are to be used in turn for
+	 *		each service thread.  In the default case of 1 service
+	 *		thread, it can just point to one foreign event loop.
+	 */
+	void (*signal_cb)(void *event_lib_handle, int signum);
+	/**< CONTEXT: NULL: default signal handling.  Otherwise this receives
+	 *		the signal handler callback.  event_lib_handle is the
+	 *		native event library signal handle, eg uv_signal_t *
+	 *		for libuv.
+	 */
+	struct lws_context **pcontext;
+	/**< CONTEXT: if non-NULL, at the end of context destroy processing,
+	 * the pointer pointed to by pcontext is written with NULL.  You can
+	 * use this to let foreign event loops know that lws context destruction
+	 * is fully completed.
+	 */
+	void (*finalize)(struct lws_vhost *vh, void *arg);
+	/**< VHOST: NULL, or pointer to function that will be called back
+	 *	    when the vhost is just about to be freed.  The arg parameter
+	 *	    will be set to whatever finalize_arg is below.
+	 */
+	void *finalize_arg;
+	/**< VHOST: opaque pointer lws ignores but passes to the finalize
+	 *	    callback.  If you don't care, leave it NULL.
+	 */
+	unsigned int max_http_header_pool2;
+	/**< CONTEXT: if max_http_header_pool is 0 and this
+	 * is nonzero, this will be used in place of the default.  It's
+	 * like this for compatibility with the original short version:
+	 * this is unsigned int length. */
+
+	long ssl_client_options_set;
+	/**< VHOST: Any bits set here will be set as CLIENT SSL options */
+	long ssl_client_options_clear;
+	/**< VHOST: Any bits set here will be cleared as CLIENT SSL options */
+
+	const char *tls1_3_plus_cipher_list;
+	/**< VHOST: List of valid ciphers to use for incoming server connections
+	 * ON TLS1.3 AND ABOVE (eg, "TLS_CHACHA20_POLY1305_SHA256" on this vhost
+	 * or you can leave it as NULL to get "DEFAULT".
+	 * SEE .client_tls_1_3_plus_cipher_list to do the same on the vhost
+	 * client SSL_CTX.
+	 */
+	const char *client_tls_1_3_plus_cipher_list;
+	/**< VHOST: List of valid ciphers to use for outgoing client connections
+	 * ON TLS1.3 AND ABOVE on this vhost (eg,
+	 * "TLS_CHACHA20_POLY1305_SHA256") or you can leave it as NULL to get
+	 * "DEFAULT".
+	 */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility
+	 *
+	 * The below is to ensure later library versions with new
+	 * members added above will see 0 (default) even if the app
+	 * was not built against the newer headers.
+	 */
+
+	void *_unused[4]; /**< dummy */
+};
+
+/**
+ * lws_create_context() - Create the websocket handler
+ * \param info:	pointer to struct with parameters
+ *
+ *	This function creates the listening socket (if serving) and takes care
+ *	of all initialization in one step.
+ *
+ *	If option LWS_SERVER_OPTION_EXPLICIT_VHOSTS is given, no vhost is
+ *	created; you're expected to create your own vhosts afterwards using
+ *	lws_create_vhost().  Otherwise a vhost named "default" is also created
+ *	using the information in the vhost-related members, for compatibility.
+ *
+ *	After initialization, it returns a struct lws_context * that
+ *	represents this server.  After calling, user code needs to take care
+ *	of calling lws_service() with the context pointer to get the
+ *	server's sockets serviced.  This must be done in the same process
+ *	context as the initialization call.
+ *
+ *	The protocol callback functions are called for a handful of events
+ *	including http requests coming in, websocket connections becoming
+ *	established, and data arriving; it's also called periodically to allow
+ *	async transmission.
+ *
+ *	HTTP requests are sent always to the FIRST protocol in protocol, since
+ *	at that time websocket protocol has not been negotiated.  Other
+ *	protocols after the first one never see any HTTP callback activity.
+ *
+ *	The server created is a simple http server by default; part of the
+ *	websocket standard is upgrading this http connection to a websocket one.
+ *
+ *	This allows the same server to provide files like scripts and favicon /
+ *	images or whatever over http and dynamic data over websockets all in
+ *	one place; they're all handled in the user callback.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_context *
+lws_create_context(const struct lws_context_creation_info *info);
+
+
+/**
+ * lws_context_destroy() - Destroy the websocket context
+ * \param context:	Websocket context
+ *
+ *	This function closes any active connections and then frees the
+ *	context.  After calling this, any further use of the context is
+ *	undefined.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_context_destroy(struct lws_context *context);
+
+typedef int (*lws_reload_func)(void);
+
+/**
+ * lws_context_deprecate() - Deprecate the websocket context
+ *
+ * \param context:	Websocket context
+ * \param cb: Callback notified when old context listen sockets are closed
+ *
+ *	This function is used on an existing context before superceding it
+ *	with a new context.
+ *
+ *	It closes any listen sockets in the context, so new connections are
+ *	not possible.
+ *
+ *	And it marks the context to be deleted when the number of active
+ *	connections into it falls to zero.
+ *
+ *	This is aimed at allowing seamless configuration reloads.
+ *
+ *	The callback cb will be called after the listen sockets are actually
+ *	closed and may be reopened.  In the callback the new context should be
+ *	configured and created.  (With libuv, socket close happens async after
+ *	more loop events).
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_context_deprecate(struct lws_context *context, lws_reload_func cb);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_context_is_deprecated(struct lws_context *context);
+
+/**
+ * lws_set_proxy() - Setups proxy to lws_context.
+ * \param vhost:	pointer to struct lws_vhost you want set proxy for
+ * \param proxy: pointer to c string containing proxy in format address:port
+ *
+ * Returns 0 if proxy string was parsed and proxy was setup.
+ * Returns -1 if proxy is NULL or has incorrect format.
+ *
+ * This is only required if your OS does not provide the http_proxy
+ * environment variable (eg, OSX)
+ *
+ *   IMPORTANT! You should call this function right after creation of the
+ *   lws_context and before call to connect. If you call this
+ *   function after connect behavior is undefined.
+ *   This function will override proxy settings made on lws_context
+ *   creation with genenv() call.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_set_proxy(struct lws_vhost *vhost, const char *proxy);
+
+/**
+ * lws_set_socks() - Setup socks to lws_context.
+ * \param vhost:	pointer to struct lws_vhost you want set socks for
+ * \param socks: pointer to c string containing socks in format address:port
+ *
+ * Returns 0 if socks string was parsed and socks was setup.
+ * Returns -1 if socks is NULL or has incorrect format.
+ *
+ * This is only required if your OS does not provide the socks_proxy
+ * environment variable (eg, OSX)
+ *
+ *   IMPORTANT! You should call this function right after creation of the
+ *   lws_context and before call to connect. If you call this
+ *   function after connect behavior is undefined.
+ *   This function will override proxy settings made on lws_context
+ *   creation with genenv() call.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_set_socks(struct lws_vhost *vhost, const char *socks);
+
+struct lws_vhost;
+
+/**
+ * lws_create_vhost() - Create a vhost (virtual server context)
+ * \param context:	pointer to result of lws_create_context()
+ * \param info:		pointer to struct with parameters
+ *
+ * This function creates a virtual server (vhost) using the vhost-related
+ * members of the info struct.  You can create many vhosts inside one context
+ * if you created the context with the option LWS_SERVER_OPTION_EXPLICIT_VHOSTS
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_vhost *
+lws_create_vhost(struct lws_context *context,
+		 const struct lws_context_creation_info *info);
+
+/**
+ * lws_vhost_destroy() - Destroy a vhost (virtual server context)
+ *
+ * \param vh:		pointer to result of lws_create_vhost()
+ *
+ * This function destroys a vhost.  Normally, if you just want to exit,
+ * then lws_destroy_context() will take care of everything.  If you want
+ * to destroy an individual vhost and all connections and allocations, you
+ * can do it with this.
+ *
+ * If the vhost has a listen sockets shared by other vhosts, it will be given
+ * to one of the vhosts sharing it rather than closed.
+ *
+ * The vhost close is staged according to the needs of the event loop, and if
+ * there are multiple service threads.  At the point the vhost itself if
+ * about to be freed, if you provided a finalize callback and optional arg at
+ * vhost creation time, it will be called just before the vhost is freed.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_vhost_destroy(struct lws_vhost *vh);
+
+/**
+ * lwsws_get_config_globals() - Parse a JSON server config file
+ * \param info:		pointer to struct with parameters
+ * \param d:		filepath of the config file
+ * \param config_strings: storage for the config strings extracted from JSON,
+ * 			  the pointer is incremented as strings are stored
+ * \param len:		pointer to the remaining length left in config_strings
+ *			  the value is decremented as strings are stored
+ *
+ * This function prepares a n lws_context_creation_info struct with global
+ * settings from a file d.
+ *
+ * Requires CMake option LWS_WITH_LEJP_CONF to have been enabled
+ */
+LWS_VISIBLE LWS_EXTERN int
+lwsws_get_config_globals(struct lws_context_creation_info *info, const char *d,
+			 char **config_strings, int *len);
+
+/**
+ * lwsws_get_config_vhosts() - Create vhosts from a JSON server config file
+ * \param context:	pointer to result of lws_create_context()
+ * \param info:		pointer to struct with parameters
+ * \param d:		filepath of the config file
+ * \param config_strings: storage for the config strings extracted from JSON,
+ * 			  the pointer is incremented as strings are stored
+ * \param len:		pointer to the remaining length left in config_strings
+ *			  the value is decremented as strings are stored
+ *
+ * This function creates vhosts into a context according to the settings in
+ *JSON files found in directory d.
+ *
+ * Requires CMake option LWS_WITH_LEJP_CONF to have been enabled
+ */
+LWS_VISIBLE LWS_EXTERN int
+lwsws_get_config_vhosts(struct lws_context *context,
+			struct lws_context_creation_info *info, const char *d,
+			char **config_strings, int *len);
+
+/** lws_vhost_get() - \deprecated deprecated: use lws_get_vhost() */
+LWS_VISIBLE LWS_EXTERN struct lws_vhost *
+lws_vhost_get(struct lws *wsi) LWS_WARN_DEPRECATED;
+
+/**
+ * lws_get_vhost() - return the vhost a wsi belongs to
+ *
+ * \param wsi: which connection
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_vhost *
+lws_get_vhost(struct lws *wsi);
+
+/**
+ * lws_get_vhost_name() - returns the name of a vhost
+ *
+ * \param vhost: which vhost
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_get_vhost_name(struct lws_vhost *vhost);
+
+/**
+ * lws_get_vhost_port() - returns the port a vhost listens on, or -1
+ *
+ * \param vhost: which vhost
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_get_vhost_port(struct lws_vhost *vhost);
+
+/**
+ * lws_get_vhost_user() - returns the user pointer for the vhost
+ *
+ * \param vhost: which vhost
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_get_vhost_user(struct lws_vhost *vhost);
+
+/**
+ * lws_get_vhost_iface() - returns the binding for the vhost listen socket
+ *
+ * \param vhost: which vhost
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_get_vhost_iface(struct lws_vhost *vhost);
+
+/**
+ * lws_json_dump_vhost() - describe vhost state and stats in JSON
+ *
+ * \param vh: the vhost
+ * \param buf: buffer to fill with JSON
+ * \param len: max length of buf
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_json_dump_vhost(const struct lws_vhost *vh, char *buf, int len);
+
+/**
+ * lws_json_dump_context() - describe context state and stats in JSON
+ *
+ * \param context: the context
+ * \param buf: buffer to fill with JSON
+ * \param len: max length of buf
+ * \param hide_vhosts: nonzero to not provide per-vhost mount etc information
+ *
+ * Generates a JSON description of vhost state into buf
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_json_dump_context(const struct lws_context *context, char *buf, int len,
+		      int hide_vhosts);
+
+/**
+ * lws_vhost_user() - get the user data associated with the vhost
+ * \param vhost: Websocket vhost
+ *
+ * This returns the optional user pointer that can be attached to
+ * a vhost when it was created.  Lws never dereferences this pointer, it only
+ * sets it when the vhost is created, and returns it using this api.
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_vhost_user(struct lws_vhost *vhost);
+
+/**
+ * lws_context_user() - get the user data associated with the context
+ * \param context: Websocket context
+ *
+ * This returns the optional user allocation that can be attached to
+ * the context the sockets live in at context_create time.  It's a way
+ * to let all sockets serviced in the same context share data without
+ * using globals statics in the user code.
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_context_user(struct lws_context *context);
+
+/*! \defgroup vhost-mounts Vhost mounts and options
+ * \ingroup context-and-vhost-creation
+ *
+ * ##Vhost mounts and options
+ */
+///@{
+/** struct lws_protocol_vhost_options - linked list of per-vhost protocol
+ * 					name=value options
+ *
+ * This provides a general way to attach a linked-list of name=value pairs,
+ * which can also have an optional child link-list using the options member.
+ */
+struct lws_protocol_vhost_options {
+	const struct lws_protocol_vhost_options *next; /**< linked list */
+	const struct lws_protocol_vhost_options *options; /**< child linked-list of more options for this node */
+	const char *name; /**< name of name=value pair */
+	const char *value; /**< value of name=value pair */
+};
+
+/** enum lws_mount_protocols
+ * This specifies the mount protocol for a mountpoint, whether it is to be
+ * served from a filesystem, or it is a cgi etc.
+ */
+enum lws_mount_protocols {
+	LWSMPRO_HTTP		= 0, /**< http reverse proxy */
+	LWSMPRO_HTTPS		= 1, /**< https reverse proxy */
+	LWSMPRO_FILE		= 2, /**< serve from filesystem directory */
+	LWSMPRO_CGI		= 3, /**< pass to CGI to handle */
+	LWSMPRO_REDIR_HTTP	= 4, /**< redirect to http:// url */
+	LWSMPRO_REDIR_HTTPS	= 5, /**< redirect to https:// url */
+	LWSMPRO_CALLBACK	= 6, /**< hand by named protocol's callback */
+};
+
+/** struct lws_http_mount
+ *
+ * arguments for mounting something in a vhost's url namespace
+ */
+struct lws_http_mount {
+	const struct lws_http_mount *mount_next;
+	/**< pointer to next struct lws_http_mount */
+	const char *mountpoint;
+	/**< mountpoint in http pathspace, eg, "/" */
+	const char *origin;
+	/**< path to be mounted, eg, "/var/www/warmcat.com" */
+	const char *def;
+	/**< default target, eg, "index.html" */
+	const char *protocol;
+	/**<"protocol-name" to handle mount */
+
+	const struct lws_protocol_vhost_options *cgienv;
+	/**< optional linked-list of cgi options.  These are created
+	 * as environment variables for the cgi process
+	 */
+	const struct lws_protocol_vhost_options *extra_mimetypes;
+	/**< optional linked-list of mimetype mappings */
+	const struct lws_protocol_vhost_options *interpret;
+	/**< optional linked-list of files to be interpreted */
+
+	int cgi_timeout;
+	/**< seconds cgi is allowed to live, if cgi://mount type */
+	int cache_max_age;
+	/**< max-age for reuse of client cache of files, seconds */
+	unsigned int auth_mask;
+	/**< bits set here must be set for authorized client session */
+
+	unsigned int cache_reusable:1; /**< set if client cache may reuse this */
+	unsigned int cache_revalidate:1; /**< set if client cache should revalidate on use */
+	unsigned int cache_intermediaries:1; /**< set if intermediaries are allowed to cache */
+
+	unsigned char origin_protocol; /**< one of enum lws_mount_protocols */
+	unsigned char mountpoint_len; /**< length of mountpoint string */
+
+	const char *basic_auth_login_file;
+	/**<NULL, or filepath to use to check basic auth logins against */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility
+	 *
+	 * The below is to ensure later library versions with new
+	 * members added above will see 0 (default) even if the app
+	 * was not built against the newer headers.
+	 */
+
+	void *_unused[2]; /**< dummy */
+};
+
+///@}
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-dbus.h b/thirdparty/libwebsockets/include/libwebsockets/lws-dbus.h
new file mode 100644
index 0000000000..63cfd15f18
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-dbus.h
@@ -0,0 +1,90 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * must be included manually as
+ *
+ *  #include <libwebsockets/lws-dbus.h>
+ *
+ * if dbus apis needed
+ */
+
+#if !defined(__LWS_DBUS_H__)
+#define __LWS_DBUS_H__
+
+#include <dbus/dbus.h>
+
+/* helper type to simplify implementing methods as individual functions */
+typedef DBusHandlerResult (*lws_dbus_message_handler)(DBusConnection *conn,
+			   DBusMessage *message, DBusMessage **reply, void *d);
+
+struct lws_dbus_ctx;
+typedef void (*lws_dbus_closing_t)(struct lws_dbus_ctx *ctx);
+
+struct lws_dbus_ctx {
+	struct lws_dll next; /* dbusserver ctx: HEAD of accepted list */
+	struct lws_vhost *vh; /* the vhost we logically bind to in lws */
+	int tsi;	/* the lws thread service index (0 if only one service
+			   thread as is the default */
+	DBusConnection *conn;
+	DBusServer *dbs;
+	DBusWatch *w[4];
+ 	DBusPendingCall *pc;
+
+ 	char hup;
+ 	char timeouts;
+
+ 	/* cb_closing callback will be called after the connection and this
+ 	 * related ctx struct have effectively gone out of scope.
+ 	 *
+ 	 * The callback should close and clean up the connection and free the
+ 	 * ctx.
+ 	 */
+ 	lws_dbus_closing_t cb_closing;
+};
+
+/**
+ * lws_dbus_connection_setup() - bind dbus connection object to lws event loop
+ *
+ * \param ctx: additional information about the connection
+ * \param conn: the DBusConnection object to bind
+ *
+ * This configures a DBusConnection object to use lws for watchers and timeout
+ * operations.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_dbus_connection_setup(struct lws_dbus_ctx *ctx, DBusConnection *conn,
+			  lws_dbus_closing_t cb_closing);
+
+/**
+ * lws_dbus_server_listen() - bind dbus connection object to lws event loop
+ *
+ * \param ctx: additional information about the connection
+ * \param ads: the DBUS address to listen on, eg, "unix:abstract=mysocket"
+ * \param err: a DBusError object to take any extra error information
+ * \param new_conn: a callback function to prepare new accepted connections
+ *
+ * This creates a DBusServer and binds it to the lws event loop, and your
+ * callback to accept new connections.
+ */
+LWS_VISIBLE LWS_EXTERN DBusServer *
+lws_dbus_server_listen(struct lws_dbus_ctx *ctx, const char *ads,
+		       DBusError *err, DBusNewConnectionFunction new_conn);
+
+#endif
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-diskcache.h b/thirdparty/libwebsockets/include/libwebsockets/lws-diskcache.h
new file mode 100644
index 0000000000..eb63fdd855
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-diskcache.h
@@ -0,0 +1,185 @@
+/*
+ * libwebsockets - disk cache helpers
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup diskcache LWS disk cache
+ * ## Disk cache API
+ *
+ * Lws provides helper apis useful if you need a disk cache containing hashed
+ * files and need to delete files from it on an LRU basis to keep it below some
+ * size limit.
+ *
+ * The API `lws_diskcache_prepare()` deals with creating the cache dir and
+ * 256 subdirs, which are used according to the first two chars of the hex
+ * hash of the cache file.
+ *
+ * `lws_diskcache_create()` and `lws_diskcache_destroy()` allocate and free
+ * an opaque struct that represents the disk cache.
+ *
+ * `lws_diskcache_trim()` should be called at eg, 1s intervals to perform the
+ * cache dir monitoring and LRU autodelete in the background lazily.  It can
+ * be done in its own thread or on a timer... it monitors the directories in a
+ * stateful way that stats one or more file in the cache per call, and keeps
+ * a list of the oldest files as it goes.  When it completes a scan, if the
+ * aggregate size is over the limit, it will delete oldest files first to try
+ * to keep it under the limit.
+ *
+ * The cache size monitoring is extremely efficient in time and memory even when
+ * the cache directory becomes huge.
+ *
+ * `lws_diskcache_query()` is used to determine if the file already exists in
+ * the cache, or if it must be created.  If it must be created, then the file
+ * is opened using a temp name that must be converted to a findable name with
+ * `lws_diskcache_finalize_name()` when the generation of the file contents are
+ * complete.  Aborted cached files that did not complete generation will be
+ * flushed by the LRU eventually.  If the file already exists, it is 'touched'
+ * to make it new again and the fd returned.
+ *
+ */
+///@{
+
+struct lws_diskcache_scan;
+
+/**
+ * lws_diskcache_create() - creates an opaque struct representing the disk cache
+ *
+ * \param cache_dir_base: The cache dir path, eg `/var/cache/mycache`
+ * \param cache_size_limit: maximum size on disk the cache is allowed to use
+ *
+ * This returns an opaque `struct lws_diskcache_scan *` which represents the
+ * disk cache, the trim scanning state and so on.  You should use
+ * `lws_diskcache_destroy()` to free it to destroy it.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_diskcache_scan *
+lws_diskcache_create(const char *cache_dir_base, uint64_t cache_size_limit);
+
+/**
+ * lws_diskcache_destroy() - destroys the pointer returned by ...create()
+ *
+ * \param lds: pointer to the pointer returned by lws_diskcache_create()
+ *
+ * Frees *lds and any allocations it did, and then sets *lds to NULL and
+ * returns.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_diskcache_destroy(struct lws_diskcache_scan **lds);
+
+/**
+ * lws_diskcache_prepare() - ensures the cache dir structure exists on disk
+ *
+ * \param cache_base_dir: The cache dir path, eg `/var/cache/mycache`
+ * \param mode: octal dir mode to enforce, like 0700
+ * \param uid: uid the cache dir should belong to
+ *
+ * This should be called while your app is still privileged.  It will create
+ * the cache directory structure on disk as necessary, enforce the given access
+ * mode on it and set the given uid as the owner.  It won't make any trouble
+ * if the cache already exists.
+ *
+ * Typically the mode is 0700 and the owner is the user that your application
+ * will transition to use when it drops root privileges.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_diskcache_prepare(const char *cache_base_dir, int mode, int uid);
+
+#define LWS_DISKCACHE_QUERY_NO_CACHE	0
+#define LWS_DISKCACHE_QUERY_EXISTS	1
+#define LWS_DISKCACHE_QUERY_CREATING	2
+#define LWS_DISKCACHE_QUERY_ONGOING	3 /* something else is creating it */
+
+/**
+ * lws_diskcache_query() - ensures the cache dir structure exists on disk
+ *
+ * \param lds: The opaque struct representing the disk cache
+ * \param is_bot: nonzero means the request is from a bot.  Don't create new cache contents if so.
+ * \param hash_hex: hex string representation of the cache object hash
+ * \param _fd: pointer to the fd to be set
+ * \param cache: destination string to take the cache filepath
+ * \param cache_len: length of the buffer at `cache`
+ * \param extant_cache_len: pointer to a size_t to take any extant cached file size
+ *
+ * This function is called when you want to find if the hashed name already
+ * exists in the cache.  The possibilities for the return value are
+ *
+ *  - LWS_DISKCACHE_QUERY_NO_CACHE: It's not in the cache and you can't create
+ *    it in the cache for whatever reason.
+ *  - LWS_DISKCACHE_QUERY_EXISTS: It exists in the cache.  It's open RDONLY and
+ *    *_fd has been set to the file descriptor.  *extant_cache_len has been set
+ *    to the size of the cached file in bytes.  cache has been set to the
+ *    full filepath of the cached file.  Closing _fd is your responsibility.
+ *  - LWS_DISKCACHE_QUERY_CREATING: It didn't exist, but a temp file has been
+ *    created in the cache and *_fd set to a file descriptor opened on it RDWR.
+ *    You should create the contents, and call `lws_diskcache_finalize_name()`
+ *    when it is done.  Closing _fd is your responsibility.
+ *  - LWS_DISKCACHE_QUERY_ONGOING: not returned by this api, but you may find it
+ *    desirable to make a wrapper function which can handle another asynchronous
+ *    process that is already creating the cached file.  This can be used to
+ *    indicate that situation externally... how to determine the same thing is
+ *    already being generated is out of scope of this api.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_diskcache_query(struct lws_diskcache_scan *lds, int is_bot,
+		    const char *hash_hex, int *_fd, char *cache, int cache_len,
+		    size_t *extant_cache_len);
+
+/**
+ * lws_diskcache_query() - ensures the cache dir structure exists on disk
+ *
+ * \param cache: The cache file temp name returned with LWS_DISKCACHE_QUERY_CREATING
+ *
+ * This renames the cache file you are creating to its final name.  It should
+ * be called on the temp name returned by `lws_diskcache_query()` if it gave a
+ * LWS_DISKCACHE_QUERY_CREATING return, after you have filled the cache file and
+ * closed it.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_diskcache_finalize_name(char *cache);
+
+/**
+ * lws_diskcache_trim() - performs one or more file checks in the cache for size management
+ *
+ * \param lds: The opaque object representing the cache
+ *
+ * This should be called periodically to statefully walk the cache on disk
+ * collecting the oldest files.  When it has visited every file, if the cache
+ * is oversize it will delete the oldest files until it's back under size again.
+ *
+ * Each time it's called, it will look at one or more dir in the cache.  If
+ * called when the cache is oversize, it increases the amount of work done each
+ * call until it is reduced again.  Typically it will take 256 calls before it
+ * deletes anything, so if called once per second, it will delete files once
+ * every 4 minutes.  Each call is very inexpensive both in memory and time.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_diskcache_trim(struct lws_diskcache_scan *lds);
+
+
+/**
+ * lws_diskcache_secs_to_idle() - see how long to idle before calling trim
+ *
+ * \param lds: The opaque object representing the cache
+ *
+ * If the cache is undersize, there's no need to monitor it immediately.  This
+ * suggests how long to "sleep" before calling `lws_diskcache_trim()` again.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_diskcache_secs_to_idle(struct lws_diskcache_scan *lds);
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-esp32.h b/thirdparty/libwebsockets/include/libwebsockets/lws-esp32.h
new file mode 100644
index 0000000000..2d1c0f42bb
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-esp32.h
@@ -0,0 +1,226 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+typedef int lws_sockfd_type;
+typedef int lws_filefd_type;
+
+struct pollfd {
+	lws_sockfd_type fd; /**< fd related to */
+	short events; /**< which POLL... events to respond to */
+	short revents; /**< which POLL... events occurred */
+};
+#define POLLIN		0x0001
+#define POLLPRI		0x0002
+#define POLLOUT		0x0004
+#define POLLERR		0x0008
+#define POLLHUP		0x0010
+#define POLLNVAL	0x0020
+
+#include <freertos/FreeRTOS.h>
+#include <freertos/event_groups.h>
+#include <string.h>
+#include "esp_wifi.h"
+#include "esp_system.h"
+#include "esp_event.h"
+#include "esp_event_loop.h"
+#include "nvs.h"
+#include "driver/gpio.h"
+#include "esp_spi_flash.h"
+#include "freertos/timers.h"
+
+#if !defined(CONFIG_FREERTOS_HZ)
+#define CONFIG_FREERTOS_HZ 100
+#endif
+
+typedef TimerHandle_t uv_timer_t;
+typedef void uv_cb_t(uv_timer_t *);
+typedef void * uv_handle_t;
+
+struct timer_mapping {
+	uv_cb_t *cb;
+	uv_timer_t *t;
+};
+
+#define UV_VERSION_MAJOR 1
+
+#define lws_uv_getloop(a, b) (NULL)
+
+static LWS_INLINE void uv_timer_init(void *l, uv_timer_t *t)
+{
+	(void)l;
+	*t = NULL;
+}
+
+extern void esp32_uvtimer_cb(TimerHandle_t t);
+
+static LWS_INLINE void uv_timer_start(uv_timer_t *t, uv_cb_t *cb, int first, int rep)
+{
+	struct timer_mapping *tm = (struct timer_mapping *)malloc(sizeof(*tm));
+
+	if (!tm)
+		return;
+
+	tm->t = t;
+	tm->cb = cb;
+
+	*t = xTimerCreate("x", pdMS_TO_TICKS(first), !!rep, tm,
+			  (TimerCallbackFunction_t)esp32_uvtimer_cb);
+	xTimerStart(*t, 0);
+}
+
+static LWS_INLINE void uv_timer_stop(uv_timer_t *t)
+{
+	xTimerStop(*t, 0);
+}
+
+static LWS_INLINE void uv_close(uv_handle_t *h, void *v)
+{
+	free(pvTimerGetTimerID((uv_timer_t)h));
+	xTimerDelete(*(uv_timer_t *)h, 0);
+}
+
+/* ESP32 helper declarations */
+
+#include <mdns.h>
+#include <esp_partition.h>
+
+#define LWS_PLUGIN_STATIC
+#define LWS_MAGIC_REBOOT_TYPE_ADS 0x50001ffc
+#define LWS_MAGIC_REBOOT_TYPE_REQ_FACTORY 0xb00bcafe
+#define LWS_MAGIC_REBOOT_TYPE_FORCED_FACTORY 0xfaceb00b
+#define LWS_MAGIC_REBOOT_TYPE_FORCED_FACTORY_BUTTON 0xf0cedfac
+#define LWS_MAGIC_REBOOT_TYPE_REQ_FACTORY_ERASE_OTA 0xfac0eeee
+
+/* user code provides these */
+
+extern void
+lws_esp32_identify_physical_device(void);
+
+/* lws-plat-esp32 provides these */
+
+typedef void (*lws_cb_scan_done)(uint16_t count, wifi_ap_record_t *recs, void *arg);
+
+enum genled_state {
+	LWSESP32_GENLED__INIT,
+	LWSESP32_GENLED__LOST_NETWORK,
+	LWSESP32_GENLED__NO_NETWORK,
+	LWSESP32_GENLED__CONN_AP,
+	LWSESP32_GENLED__GOT_IP,
+	LWSESP32_GENLED__OK,
+};
+
+struct lws_group_member {
+	struct lws_group_member *next;
+	uint64_t last_seen;
+	char model[16];
+	char role[16];
+	char host[32];
+	char mac[20];
+	int width, height;
+	struct ip4_addr addr;
+	struct ip6_addr addrv6;
+	uint8_t	flags;
+};
+
+#define LWS_SYSTEM_GROUP_MEMBER_ADD		1
+#define LWS_SYSTEM_GROUP_MEMBER_CHANGE		2
+#define LWS_SYSTEM_GROUP_MEMBER_REMOVE		3
+
+#define LWS_GROUP_FLAG_SELF 1
+
+struct lws_esp32 {
+	char sta_ip[16];
+	char sta_mask[16];
+	char sta_gw[16];
+	char serial[16];
+	char opts[16];
+	char model[16];
+	char group[16];
+	char role[16];
+	char ssid[4][64];
+	char password[4][64];
+	char active_ssid[64];
+	char access_pw[16];
+	char hostname[32];
+	char mac[20];
+	char le_dns[64];
+	char le_email[64];
+       	char region;
+       	char inet;
+	char conn_ap;
+
+	enum genled_state genled;
+	uint64_t genled_t;
+
+	lws_cb_scan_done scan_consumer;
+	void *scan_consumer_arg;
+	struct lws_group_member *first;
+	int extant_group_members;
+
+	char acme;
+	char upload;
+
+	volatile char button_is_down;
+};
+
+struct lws_esp32_image {
+	uint32_t romfs;
+	uint32_t romfs_len;
+	uint32_t json;
+	uint32_t json_len;
+};
+
+extern struct lws_esp32 lws_esp32;
+struct lws_vhost;
+
+extern esp_err_t
+lws_esp32_event_passthru(void *ctx, system_event_t *event);
+extern void
+lws_esp32_wlan_config(void);
+extern void
+lws_esp32_wlan_start_ap(void);
+extern void
+lws_esp32_wlan_start_station(void);
+struct lws_context_creation_info;
+extern void
+lws_esp32_set_creation_defaults(struct lws_context_creation_info *info);
+extern struct lws_context *
+lws_esp32_init(struct lws_context_creation_info *, struct lws_vhost **pvh);
+extern int
+lws_esp32_wlan_nvs_get(int retry);
+extern esp_err_t
+lws_nvs_set_str(nvs_handle handle, const char* key, const char* value);
+extern void
+lws_esp32_restart_guided(uint32_t type);
+extern const esp_partition_t *
+lws_esp_ota_get_boot_partition(void);
+extern int
+lws_esp32_get_image_info(const esp_partition_t *part, struct lws_esp32_image *i, char *json, int json_len);
+extern int
+lws_esp32_leds_network_indication(void);
+
+extern uint32_t lws_esp32_get_reboot_type(void);
+extern uint16_t lws_esp32_sine_interp(int n);
+
+/* required in external code by esp32 plat (may just return if no leds) */
+extern void lws_esp32_leds_timer_cb(TimerHandle_t th);
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-fts.h b/thirdparty/libwebsockets/include/libwebsockets/lws-fts.h
new file mode 100644
index 0000000000..29405bd6fd
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-fts.h
@@ -0,0 +1,214 @@
+/*
+ * libwebsockets - fulltext search
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup search Search
+ *
+ * ##Full-text search
+ *
+ * Lws provides superfast indexing and fulltext searching from index files on
+ * storage.
+ */
+///@{
+
+struct lws_fts;
+struct lws_fts_file;
+
+/*
+ * Queries produce their results in an lwsac, using these public API types.
+ * The first thing in the lwsac is always a struct lws_fts_result (see below)
+ * containing heads for linked-lists of the other result types.
+ */
+
+/* one filepath's results */
+
+struct lws_fts_result_filepath {
+	struct lws_fts_result_filepath *next;
+	int matches;	/* logical number of matches */
+	int matches_length;	/* bytes in length table (may be zero) */
+	int lines_in_file;
+	int filepath_length;
+
+	/* - uint32_t line table follows (first for alignment) */
+	/* - filepath (of filepath_length) follows */
+};
+
+/* autocomplete result */
+
+struct lws_fts_result_autocomplete {
+	struct lws_fts_result_autocomplete *next;
+	int instances;
+	int agg_instances;
+	int ac_length;
+	char elided; /* children skipped in interest of antecedent children */
+	char has_children;
+
+	/* - autocomplete suggestion (of length ac_length) follows */
+};
+
+/*
+ * The results lwsac always starts with this.  If no results and / or no
+ * autocomplete the members may be NULL.  This implies the symbol nor any
+ * suffix on it exists in the trie file.
+ */
+struct lws_fts_result {
+	struct lws_fts_result_filepath *filepath_head;
+	struct lws_fts_result_autocomplete *autocomplete_head;
+	int duration_ms;
+	int effective_flags; /* the search flags that were used */
+};
+
+/*
+ * index creation functions
+ */
+
+/**
+ * lws_fts_create() - Create a new index file
+ *
+ * \param fd: The fd opened for write
+ *
+ * Inits a new index file, returning a struct lws_fts to represent it
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_fts *
+lws_fts_create(int fd);
+
+/**
+ * lws_fts_destroy() - Finalize a new index file / destroy the trie lwsac
+ *
+ * \param trie: The previously opened index being finalized
+ *
+ * Finalizes an index file that was being created, and frees the memory involved
+ * *trie is set to NULL afterwards.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_fts_destroy(struct lws_fts **trie);
+
+/**
+ * lws_fts_file_index() - Create a new entry in the trie file for an input path
+ *
+ * \param t: The previously opened index being written
+ * \param filepath: The filepath (which may be virtual) associated with this file
+ * \param filepath_len: The number of chars in the filepath
+ * \param priority: not used yet
+ *
+ * Returns an ordinal that represents this new filepath in the index file.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_fts_file_index(struct lws_fts *t, const char *filepath, int filepath_len,
+		   int priority);
+
+/**
+ * lws_fts_fill() - Process all or a bufferload of input file
+ *
+ * \param t: The previously opened index being written
+ * \param file_index: The ordinal representing this input filepath
+ * \param buf: A bufferload of data from the input file
+ * \param len: The number of bytes in buf
+ *
+ * Indexes a buffer of data from the input file.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_fts_fill(struct lws_fts *t, uint32_t file_index, const char *buf,
+	     size_t len);
+
+/**
+ * lws_fts_serialize() - Store the in-memory trie into the index file
+ *
+ * \param t: The previously opened index being written
+ *
+ * The trie is held in memory where it can be added to... after all the input
+ * filepaths and data have been processed, this is called to serialize /
+ * write the trie data into the index file.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_fts_serialize(struct lws_fts *t);
+
+/*
+ * index search functions
+ */
+
+/**
+ * lws_fts_open() - Open an existing index file to search it
+ *
+ * \param filepath: The filepath to the index file to open
+ *
+ * Opening the index file returns an opaque struct lws_fts_file * that is
+ * used to perform other operations on it, or NULL if it can't be opened.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_fts_file *
+lws_fts_open(const char *filepath);
+
+#define LWSFTS_F_QUERY_AUTOCOMPLETE	(1 << 0)
+#define LWSFTS_F_QUERY_FILES		(1 << 1)
+#define LWSFTS_F_QUERY_FILE_LINES	(1 << 2)
+#define LWSFTS_F_QUERY_QUOTE_LINE	(1 << 3)
+
+struct lws_fts_search_params {
+	/* the actual search term */
+	const char *needle;
+	 /* if non-NULL, FILE results for this filepath only */
+	const char *only_filepath;
+	/* will be set to the results lwsac */
+	struct lwsac *results_head;
+	/* combination of LWSFTS_F_QUERY_* flags */
+	int flags;
+	/* maximum number of autocomplete suggestions to return */
+	int max_autocomplete;
+	/* maximum number of filepaths to return */
+	int max_files;
+	/* maximum number of line number results to return per filepath */
+	int max_lines;
+};
+
+/**
+ * lws_fts_search() - Perform a search operation on an index
+ *
+ * \param jtf: The index file struct returned by lws_fts_open
+ * \param ftsp: The struct lws_fts_search_params filled in by the caller
+ *
+ * The caller should memset the ftsp struct to 0 to ensure members that may be
+ * introduced in later versions contain known values, then set the related
+ * members to describe the kind of search action required.
+ *
+ * ftsp->results_head is the results lwsac, or NULL.  It should be freed with
+ * lwsac_free() when the results are finished with.
+ *
+ * Returns a pointer into the results lwsac that is a struct lws_fts_result
+ * containing the head pointers into linked-lists of results for autocomplete
+ * and filepath data, along with some sundry information.  This does not need
+ * to be freed since freeing the lwsac will also remove this and everything it
+ * points to.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_fts_result *
+lws_fts_search(struct lws_fts_file *jtf, struct lws_fts_search_params *ftsp);
+
+/**
+ * lws_fts_close() - Close a previously-opened index file
+ *
+ * \param jtf: The pointer returned from the open
+ *
+ * Closes the file handle on the index and frees any allocations
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_fts_close(struct lws_fts_file *jtf);
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-genhash.h b/thirdparty/libwebsockets/include/libwebsockets/lws-genhash.h
new file mode 100644
index 0000000000..a2e4f8ab6a
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-genhash.h
@@ -0,0 +1,171 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup generic hash
+ * ## Generic Hash related functions
+ *
+ * Lws provides generic hash / digest accessors that abstract the ones
+ * provided by whatever OpenSSL library you are linking against.
+ *
+ * It lets you use the same code if you build against mbedtls or OpenSSL
+ * for example.
+ */
+///@{
+
+enum lws_genhash_types {
+	LWS_GENHASH_TYPE_SHA1,
+	LWS_GENHASH_TYPE_SHA256,
+	LWS_GENHASH_TYPE_SHA384,
+	LWS_GENHASH_TYPE_SHA512,
+};
+
+enum lws_genhmac_types {
+	LWS_GENHMAC_TYPE_SHA256,
+	LWS_GENHMAC_TYPE_SHA384,
+	LWS_GENHMAC_TYPE_SHA512,
+};
+
+#define LWS_GENHASH_LARGEST 64
+
+struct lws_genhash_ctx {
+        uint8_t type;
+#if defined(LWS_WITH_MBEDTLS)
+        union {
+		mbedtls_sha1_context sha1;
+		mbedtls_sha256_context sha256;
+		mbedtls_sha512_context sha512; /* 384 also uses this */
+		const mbedtls_md_info_t *hmac;
+        } u;
+#else
+        const EVP_MD *evp_type;
+        EVP_MD_CTX *mdctx;
+#endif
+};
+
+struct lws_genhmac_ctx {
+        uint8_t type;
+#if defined(LWS_WITH_MBEDTLS)
+	const mbedtls_md_info_t *hmac;
+	mbedtls_md_context_t ctx;
+#else
+        const EVP_MD *evp_type;
+        EVP_MD_CTX *ctx;
+#endif
+};
+
+/** lws_genhash_size() - get hash size in bytes
+ *
+ * \param type:	one of LWS_GENHASH_TYPE_...
+ *
+ * Returns number of bytes in this type of hash
+ */
+LWS_VISIBLE LWS_EXTERN size_t LWS_WARN_UNUSED_RESULT
+lws_genhash_size(enum lws_genhash_types type);
+
+/** lws_genhmac_size() - get hash size in bytes
+ *
+ * \param type:	one of LWS_GENHASH_TYPE_...
+ *
+ * Returns number of bytes in this type of hmac
+ */
+LWS_VISIBLE LWS_EXTERN size_t LWS_WARN_UNUSED_RESULT
+lws_genhmac_size(enum lws_genhmac_types type);
+
+/** lws_genhash_init() - prepare your struct lws_genhash_ctx for use
+ *
+ * \param ctx: your struct lws_genhash_ctx
+ * \param type:	one of LWS_GENHASH_TYPE_...
+ *
+ * Initializes the hash context for the type you requested
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_genhash_init(struct lws_genhash_ctx *ctx, enum lws_genhash_types type);
+
+/** lws_genhash_update() - digest len bytes of the buffer starting at in
+ *
+ * \param ctx: your struct lws_genhash_ctx
+ * \param in: start of the bytes to digest
+ * \param len: count of bytes to digest
+ *
+ * Updates the state of your hash context to reflect digesting len bytes from in
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_genhash_update(struct lws_genhash_ctx *ctx, const void *in, size_t len);
+
+/** lws_genhash_destroy() - copy out the result digest and destroy the ctx
+ *
+ * \param ctx: your struct lws_genhash_ctx
+ * \param result: NULL, or where to copy the result hash
+ *
+ * Finalizes the hash and copies out the digest.  Destroys any allocations such
+ * that ctx can safely go out of scope after calling this.
+ *
+ * NULL result is supported so that you can destroy the ctx cleanly on error
+ * conditions, where there is no valid result.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genhash_destroy(struct lws_genhash_ctx *ctx, void *result);
+
+/** lws_genhmac_init() - prepare your struct lws_genhmac_ctx for use
+ *
+ * \param ctx: your struct lws_genhmac_ctx
+ * \param type:	one of LWS_GENHMAC_TYPE_...
+ * \param key: pointer to the start of the HMAC key
+ * \param key_len: length of the HMAC key
+ *
+ * Initializes the hash context for the type you requested
+ *
+ * If the return is nonzero, it failed and there is nothing needing to be
+ * destroyed.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_genhmac_init(struct lws_genhmac_ctx *ctx, enum lws_genhmac_types type,
+		 const uint8_t *key, size_t key_len);
+
+/** lws_genhmac_update() - digest len bytes of the buffer starting at in
+ *
+ * \param ctx: your struct lws_genhmac_ctx
+ * \param in: start of the bytes to digest
+ * \param len: count of bytes to digest
+ *
+ * Updates the state of your hash context to reflect digesting len bytes from in
+ *
+ * If the return is nonzero, it failed and needs destroying.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_genhmac_update(struct lws_genhmac_ctx *ctx, const void *in, size_t len);
+
+/** lws_genhmac_destroy() - copy out the result digest and destroy the ctx
+ *
+ * \param ctx: your struct lws_genhmac_ctx
+ * \param result: NULL, or where to copy the result hash
+ *
+ * Finalizes the hash and copies out the digest.  Destroys any allocations such
+ * that ctx can safely go out of scope after calling this.
+ *
+ * NULL result is supported so that you can destroy the ctx cleanly on error
+ * conditions, where there is no valid result.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genhmac_destroy(struct lws_genhmac_ctx *ctx, void *result);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-genrsa.h b/thirdparty/libwebsockets/include/libwebsockets/lws-genrsa.h
new file mode 100644
index 0000000000..3e427e2927
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-genrsa.h
@@ -0,0 +1,190 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup generic RSA
+ * ## Generic RSA related functions
+ *
+ * Lws provides generic RSA functions that abstract the ones
+ * provided by whatever OpenSSL library you are linking against.
+ *
+ * It lets you use the same code if you build against mbedtls or OpenSSL
+ * for example.
+ */
+///@{
+
+enum enum_jwk_tok {
+	JWK_KEY_E,
+	JWK_KEY_N,
+	JWK_KEY_D,
+	JWK_KEY_P,
+	JWK_KEY_Q,
+	JWK_KEY_DP,
+	JWK_KEY_DQ,
+	JWK_KEY_QI,
+	JWK_KTY, /* also serves as count of real elements */
+	JWK_KEY,
+};
+
+#define LWS_COUNT_RSA_ELEMENTS JWK_KTY
+
+struct lws_genrsa_ctx {
+#if defined(LWS_WITH_MBEDTLS)
+	mbedtls_rsa_context *ctx;
+#else
+	BIGNUM *bn[LWS_COUNT_RSA_ELEMENTS];
+	RSA *rsa;
+#endif
+};
+
+struct lws_genrsa_element {
+	uint8_t *buf;
+	uint16_t len;
+};
+
+struct lws_genrsa_elements {
+	struct lws_genrsa_element e[LWS_COUNT_RSA_ELEMENTS];
+};
+
+/** lws_jwk_destroy_genrsa_elements() - Free allocations in genrsa_elements
+ *
+ * \param el: your struct lws_genrsa_elements
+ *
+ * This is a helper for user code making use of struct lws_genrsa_elements
+ * where the elements are allocated on the heap, it frees any non-NULL
+ * buf element and sets the buf to NULL.
+ *
+ * NB: lws_genrsa_public_... apis do not need this as they take care of the key
+ * creation and destruction themselves.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_jwk_destroy_genrsa_elements(struct lws_genrsa_elements *el);
+
+/** lws_genrsa_public_decrypt_create() - Create RSA public decrypt context
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param el: struct prepared with key element data
+ *
+ * Creates an RSA context with a public key associated with it, formed from
+ * the key elements in \p el.
+ *
+ * Returns 0 for OK or nonzero for error.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_create(struct lws_genrsa_ctx *ctx, struct lws_genrsa_elements *el);
+
+/** lws_genrsa_new_keypair() - Create new RSA keypair
+ *
+ * \param context: your struct lws_context (may be used for RNG)
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param el: struct to get the new key element data allocated into it
+ * \param bits: key size, eg, 4096
+ *
+ * Creates a new RSA context and generates a new keypair into it, with \p bits
+ * bits.
+ *
+ * Returns 0 for OK or nonzero for error.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_new_keypair(struct lws_context *context, struct lws_genrsa_ctx *ctx,
+		       struct lws_genrsa_elements *el, int bits);
+
+/** lws_genrsa_public_decrypt() - Perform RSA public decryption
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param in: encrypted input
+ * \param in_len: length of encrypted input
+ * \param out: decrypted output
+ * \param out_max: size of output buffer
+ *
+ * Performs the decryption.
+ *
+ * Returns <0 for error, or length of decrypted data.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_public_decrypt(struct lws_genrsa_ctx *ctx, const uint8_t *in,
+			  size_t in_len, uint8_t *out, size_t out_max);
+
+/** lws_genrsa_public_verify() - Perform RSA public verification
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param in: unencrypted payload (usually a recomputed hash)
+ * \param hash_type: one of LWS_GENHASH_TYPE_
+ * \param sig: pointer to the signature we received with the payload
+ * \param sig_len: length of the signature we are checking in bytes
+ *
+ * Returns <0 for error, or 0 if signature matches the payload + key.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_public_verify(struct lws_genrsa_ctx *ctx, const uint8_t *in,
+			 enum lws_genhash_types hash_type,
+			 const uint8_t *sig, size_t sig_len);
+
+/** lws_genrsa_public_sign() - Create RSA signature
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param in: precomputed hash
+ * \param hash_type: one of LWS_GENHASH_TYPE_
+ * \param sig: pointer to buffer to take signature
+ * \param sig_len: length of the buffer (must be >= length of key N)
+ *
+ * Returns <0 for error, or 0 for success.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_public_sign(struct lws_genrsa_ctx *ctx, const uint8_t *in,
+		       enum lws_genhash_types hash_type, uint8_t *sig,
+		       size_t sig_len);
+
+/** lws_genrsa_public_decrypt_destroy() - Destroy RSA public decrypt context
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ *
+ * Destroys any allocations related to \p ctx.
+ *
+ * This and related APIs operate identically with OpenSSL or mbedTLS backends.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_genrsa_destroy(struct lws_genrsa_ctx *ctx);
+
+/** lws_genrsa_render_pkey_asn1() - Exports public or private key to ASN1/DER
+ *
+ * \param ctx: your struct lws_genrsa_ctx
+ * \param _private: 0 = public part only, 1 = all parts of the key
+ * \param pkey_asn1: pointer to buffer to take the ASN1
+ * \param pkey_asn1_len: max size of the pkey_asn1_len
+ *
+ * Returns length of pkey_asn1 written, or -1 for error.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_genrsa_render_pkey_asn1(struct lws_genrsa_ctx *ctx, int _private,
+			    uint8_t *pkey_asn1, size_t pkey_asn1_len);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-http.h b/thirdparty/libwebsockets/include/libwebsockets/lws-http.h
new file mode 100644
index 0000000000..eb3d826ebd
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-http.h
@@ -0,0 +1,685 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/* minimal space for typical headers and CSP stuff */
+
+#define LWS_RECOMMENDED_MIN_HEADER_SPACE 2048
+
+/*! \defgroup http HTTP
+
+    Modules related to handling HTTP
+*/
+//@{
+
+/*! \defgroup httpft HTTP File transfer
+ * \ingroup http
+
+    APIs for sending local files in response to HTTP requests
+*/
+//@{
+
+/**
+ * lws_get_mimetype() - Determine mimetype to use from filename
+ *
+ * \param file:		filename
+ * \param m:		NULL, or mount context
+ *
+ * This uses a canned list of known filetypes first, if no match and m is
+ * non-NULL, then tries a list of per-mount file suffix to mimtype mappings.
+ *
+ * Returns either NULL or a pointer to the mimetype matching the file.
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_get_mimetype(const char *file, const struct lws_http_mount *m);
+
+/**
+ * lws_serve_http_file() - Send a file back to the client using http
+ * \param wsi:		Websocket instance (available from user callback)
+ * \param file:		The file to issue over http
+ * \param content_type:	The http content type, eg, text/html
+ * \param other_headers:	NULL or pointer to header string
+ * \param other_headers_len:	length of the other headers if non-NULL
+ *
+ *	This function is intended to be called from the callback in response
+ *	to http requests from the client.  It allows the callback to issue
+ *	local files down the http link in a single step.
+ *
+ *	Returning <0 indicates error and the wsi should be closed.  Returning
+ *	>0 indicates the file was completely sent and
+ *	lws_http_transaction_completed() called on the wsi (and close if != 0)
+ *	==0 indicates the file transfer is started and needs more service later,
+ *	the wsi should be left alone.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
+		    const char *other_headers, int other_headers_len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_serve_http_file_fragment(struct lws *wsi);
+//@}
+
+
+enum http_status {
+	HTTP_STATUS_CONTINUE					= 100,
+
+	HTTP_STATUS_OK						= 200,
+	HTTP_STATUS_NO_CONTENT					= 204,
+	HTTP_STATUS_PARTIAL_CONTENT				= 206,
+
+	HTTP_STATUS_MOVED_PERMANENTLY				= 301,
+	HTTP_STATUS_FOUND					= 302,
+	HTTP_STATUS_SEE_OTHER					= 303,
+	HTTP_STATUS_NOT_MODIFIED				= 304,
+
+	HTTP_STATUS_BAD_REQUEST					= 400,
+	HTTP_STATUS_UNAUTHORIZED,
+	HTTP_STATUS_PAYMENT_REQUIRED,
+	HTTP_STATUS_FORBIDDEN,
+	HTTP_STATUS_NOT_FOUND,
+	HTTP_STATUS_METHOD_NOT_ALLOWED,
+	HTTP_STATUS_NOT_ACCEPTABLE,
+	HTTP_STATUS_PROXY_AUTH_REQUIRED,
+	HTTP_STATUS_REQUEST_TIMEOUT,
+	HTTP_STATUS_CONFLICT,
+	HTTP_STATUS_GONE,
+	HTTP_STATUS_LENGTH_REQUIRED,
+	HTTP_STATUS_PRECONDITION_FAILED,
+	HTTP_STATUS_REQ_ENTITY_TOO_LARGE,
+	HTTP_STATUS_REQ_URI_TOO_LONG,
+	HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE,
+	HTTP_STATUS_REQ_RANGE_NOT_SATISFIABLE,
+	HTTP_STATUS_EXPECTATION_FAILED,
+
+	HTTP_STATUS_INTERNAL_SERVER_ERROR			= 500,
+	HTTP_STATUS_NOT_IMPLEMENTED,
+	HTTP_STATUS_BAD_GATEWAY,
+	HTTP_STATUS_SERVICE_UNAVAILABLE,
+	HTTP_STATUS_GATEWAY_TIMEOUT,
+	HTTP_STATUS_HTTP_VERSION_NOT_SUPPORTED,
+};
+/*! \defgroup html-chunked-substitution HTML Chunked Substitution
+ * \ingroup http
+ *
+ * ##HTML chunked Substitution
+ *
+ * APIs for receiving chunks of text, replacing a set of variable names via
+ * a callback, and then prepending and appending HTML chunked encoding
+ * headers.
+ */
+//@{
+
+struct lws_process_html_args {
+	char *p; /**< pointer to the buffer containing the data */
+	int len; /**< length of the original data at p */
+	int max_len; /**< maximum length we can grow the data to */
+	int final; /**< set if this is the last chunk of the file */
+	int chunked; /**< 0 == unchunked, 1 == produce chunk headers
+			(incompatible with HTTP/2) */
+};
+
+typedef const char *(*lws_process_html_state_cb)(void *data, int index);
+
+struct lws_process_html_state {
+	char *start; /**< pointer to start of match */
+	char swallow[16]; /**< matched character buffer */
+	int pos; /**< position in match */
+	void *data; /**< opaque pointer */
+	const char * const *vars; /**< list of variable names */
+	int count_vars; /**< count of variable names */
+
+	lws_process_html_state_cb replace;
+		/**< called on match to perform substitution */
+};
+
+/*! lws_chunked_html_process() - generic chunked substitution
+ * \param args: buffer to process using chunked encoding
+ * \param s: current processing state
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_chunked_html_process(struct lws_process_html_args *args,
+			 struct lws_process_html_state *s);
+//@}
+
+/** \defgroup HTTP-headers-read HTTP headers: read
+ * \ingroup http
+ *
+ * ##HTTP header releated functions
+ *
+ *  In lws the client http headers are temporarily stored in a pool, only for the
+ *  duration of the http part of the handshake.  It's because in most cases,
+ *  the header content is ignored for the whole rest of the connection lifetime
+ *  and would then just be taking up space needlessly.
+ *
+ *  During LWS_CALLBACK_HTTP when the URI path is delivered is the last time
+ *  the http headers are still allocated, you can use these apis then to
+ *  look at and copy out interesting header content (cookies, etc)
+ *
+ *  Notice that the header total length reported does not include a terminating
+ *  '\0', however you must allocate for it when using the _copy apis.  So the
+ *  length reported for a header containing "123" is 3, but you must provide
+ *  a buffer of length 4 so that "123\0" may be copied into it, or the copy
+ *  will fail with a nonzero return code.
+ *
+ *  In the special case of URL arguments, like ?x=1&y=2, the arguments are
+ *  stored in a token named for the method, eg,  WSI_TOKEN_GET_URI if it
+ *  was a GET or WSI_TOKEN_POST_URI if POST.  You can check the total
+ *  length to confirm the method.
+ *
+ *  For URL arguments, each argument is stored urldecoded in a "fragment", so
+ *  you can use the fragment-aware api lws_hdr_copy_fragment() to access each
+ *  argument in turn: the fragments contain urldecoded strings like x=1 or y=2.
+ *
+ *  As a convenience, lws has an api that will find the fragment with a
+ *  given name= part, lws_get_urlarg_by_name().
+ */
+///@{
+
+/** struct lws_tokens
+ * you need these to look at headers that have been parsed if using the
+ * LWS_CALLBACK_FILTER_CONNECTION callback.  If a header from the enum
+ * list below is absent, .token = NULL and len = 0.  Otherwise .token
+ * points to .len chars containing that header content.
+ */
+struct lws_tokens {
+	char *token; /**< pointer to start of the token */
+	int len; /**< length of the token's value */
+};
+
+/* enum lws_token_indexes
+ * these have to be kept in sync with lextable.h / minilex.c
+ *
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+enum lws_token_indexes {
+	WSI_TOKEN_GET_URI					=  0,
+	WSI_TOKEN_POST_URI					=  1,
+	WSI_TOKEN_OPTIONS_URI					=  2,
+	WSI_TOKEN_HOST						=  3,
+	WSI_TOKEN_CONNECTION					=  4,
+	WSI_TOKEN_UPGRADE					=  5,
+	WSI_TOKEN_ORIGIN					=  6,
+	WSI_TOKEN_DRAFT						=  7,
+	WSI_TOKEN_CHALLENGE					=  8,
+	WSI_TOKEN_EXTENSIONS					=  9,
+	WSI_TOKEN_KEY1						= 10,
+	WSI_TOKEN_KEY2						= 11,
+	WSI_TOKEN_PROTOCOL					= 12,
+	WSI_TOKEN_ACCEPT					= 13,
+	WSI_TOKEN_NONCE						= 14,
+	WSI_TOKEN_HTTP						= 15,
+	WSI_TOKEN_HTTP2_SETTINGS				= 16,
+	WSI_TOKEN_HTTP_ACCEPT					= 17,
+	WSI_TOKEN_HTTP_AC_REQUEST_HEADERS			= 18,
+	WSI_TOKEN_HTTP_IF_MODIFIED_SINCE			= 19,
+	WSI_TOKEN_HTTP_IF_NONE_MATCH				= 20,
+	WSI_TOKEN_HTTP_ACCEPT_ENCODING				= 21,
+	WSI_TOKEN_HTTP_ACCEPT_LANGUAGE				= 22,
+	WSI_TOKEN_HTTP_PRAGMA					= 23,
+	WSI_TOKEN_HTTP_CACHE_CONTROL				= 24,
+	WSI_TOKEN_HTTP_AUTHORIZATION				= 25,
+	WSI_TOKEN_HTTP_COOKIE					= 26,
+	WSI_TOKEN_HTTP_CONTENT_LENGTH				= 27,
+	WSI_TOKEN_HTTP_CONTENT_TYPE				= 28,
+	WSI_TOKEN_HTTP_DATE					= 29,
+	WSI_TOKEN_HTTP_RANGE					= 30,
+	WSI_TOKEN_HTTP_REFERER					= 31,
+	WSI_TOKEN_KEY						= 32,
+	WSI_TOKEN_VERSION					= 33,
+	WSI_TOKEN_SWORIGIN					= 34,
+
+	WSI_TOKEN_HTTP_COLON_AUTHORITY				= 35,
+	WSI_TOKEN_HTTP_COLON_METHOD				= 36,
+	WSI_TOKEN_HTTP_COLON_PATH				= 37,
+	WSI_TOKEN_HTTP_COLON_SCHEME				= 38,
+	WSI_TOKEN_HTTP_COLON_STATUS				= 39,
+
+	WSI_TOKEN_HTTP_ACCEPT_CHARSET				= 40,
+	WSI_TOKEN_HTTP_ACCEPT_RANGES				= 41,
+	WSI_TOKEN_HTTP_ACCESS_CONTROL_ALLOW_ORIGIN		= 42,
+	WSI_TOKEN_HTTP_AGE					= 43,
+	WSI_TOKEN_HTTP_ALLOW					= 44,
+	WSI_TOKEN_HTTP_CONTENT_DISPOSITION			= 45,
+	WSI_TOKEN_HTTP_CONTENT_ENCODING				= 46,
+	WSI_TOKEN_HTTP_CONTENT_LANGUAGE				= 47,
+	WSI_TOKEN_HTTP_CONTENT_LOCATION				= 48,
+	WSI_TOKEN_HTTP_CONTENT_RANGE				= 49,
+	WSI_TOKEN_HTTP_ETAG					= 50,
+	WSI_TOKEN_HTTP_EXPECT					= 51,
+	WSI_TOKEN_HTTP_EXPIRES					= 52,
+	WSI_TOKEN_HTTP_FROM					= 53,
+	WSI_TOKEN_HTTP_IF_MATCH					= 54,
+	WSI_TOKEN_HTTP_IF_RANGE					= 55,
+	WSI_TOKEN_HTTP_IF_UNMODIFIED_SINCE			= 56,
+	WSI_TOKEN_HTTP_LAST_MODIFIED				= 57,
+	WSI_TOKEN_HTTP_LINK					= 58,
+	WSI_TOKEN_HTTP_LOCATION					= 59,
+	WSI_TOKEN_HTTP_MAX_FORWARDS				= 60,
+	WSI_TOKEN_HTTP_PROXY_AUTHENTICATE			= 61,
+	WSI_TOKEN_HTTP_PROXY_AUTHORIZATION			= 62,
+	WSI_TOKEN_HTTP_REFRESH					= 63,
+	WSI_TOKEN_HTTP_RETRY_AFTER				= 64,
+	WSI_TOKEN_HTTP_SERVER					= 65,
+	WSI_TOKEN_HTTP_SET_COOKIE				= 66,
+	WSI_TOKEN_HTTP_STRICT_TRANSPORT_SECURITY		= 67,
+	WSI_TOKEN_HTTP_TRANSFER_ENCODING			= 68,
+	WSI_TOKEN_HTTP_USER_AGENT				= 69,
+	WSI_TOKEN_HTTP_VARY					= 70,
+	WSI_TOKEN_HTTP_VIA					= 71,
+	WSI_TOKEN_HTTP_WWW_AUTHENTICATE				= 72,
+
+	WSI_TOKEN_PATCH_URI					= 73,
+	WSI_TOKEN_PUT_URI					= 74,
+	WSI_TOKEN_DELETE_URI					= 75,
+
+	WSI_TOKEN_HTTP_URI_ARGS					= 76,
+	WSI_TOKEN_PROXY						= 77,
+	WSI_TOKEN_HTTP_X_REAL_IP				= 78,
+	WSI_TOKEN_HTTP1_0					= 79,
+	WSI_TOKEN_X_FORWARDED_FOR				= 80,
+	WSI_TOKEN_CONNECT					= 81,
+	WSI_TOKEN_HEAD_URI					= 82,
+	WSI_TOKEN_TE						= 83,
+	WSI_TOKEN_REPLAY_NONCE					= 84,
+	WSI_TOKEN_COLON_PROTOCOL				= 85,
+	WSI_TOKEN_X_AUTH_TOKEN					= 86,
+
+	/****** add new things just above ---^ ******/
+
+	/* use token storage to stash these internally, not for
+	 * user use */
+
+	_WSI_TOKEN_CLIENT_SENT_PROTOCOLS,
+	_WSI_TOKEN_CLIENT_PEER_ADDRESS,
+	_WSI_TOKEN_CLIENT_URI,
+	_WSI_TOKEN_CLIENT_HOST,
+	_WSI_TOKEN_CLIENT_ORIGIN,
+	_WSI_TOKEN_CLIENT_METHOD,
+	_WSI_TOKEN_CLIENT_IFACE,
+	_WSI_TOKEN_CLIENT_ALPN,
+
+	/* always last real token index*/
+	WSI_TOKEN_COUNT,
+
+	/* parser state additions, no storage associated */
+	WSI_TOKEN_NAME_PART,
+	WSI_TOKEN_SKIPPING,
+	WSI_TOKEN_SKIPPING_SAW_CR,
+	WSI_PARSING_COMPLETE,
+	WSI_INIT_TOKEN_MUXURL,
+};
+
+struct lws_token_limits {
+	unsigned short token_limit[WSI_TOKEN_COUNT]; /**< max chars for this token */
+};
+
+/**
+ * lws_token_to_string() - returns a textual representation of a hdr token index
+ *
+ * \param token: token index
+ */
+LWS_VISIBLE LWS_EXTERN const unsigned char *
+lws_token_to_string(enum lws_token_indexes token);
+
+/**
+ * lws_hdr_total_length: report length of all fragments of a header totalled up
+ *		The returned length does not include the space for a
+ *		terminating '\0'
+ *
+ * \param wsi: websocket connection
+ * \param h: which header index we are interested in
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_hdr_total_length(struct lws *wsi, enum lws_token_indexes h);
+
+/**
+ * lws_hdr_fragment_length: report length of a single fragment of a header
+ *		The returned length does not include the space for a
+ *		terminating '\0'
+ *
+ * \param wsi: websocket connection
+ * \param h: which header index we are interested in
+ * \param frag_idx: which fragment of h we want to get the length of
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_hdr_fragment_length(struct lws *wsi, enum lws_token_indexes h,
+			int frag_idx);
+
+/**
+ * lws_hdr_copy() - copy all fragments of the given header to a buffer
+ *		The buffer length len must include space for an additional
+ *		terminating '\0', or it will fail returning -1.
+ *
+ * \param wsi: websocket connection
+ * \param dest: destination buffer
+ * \param len: length of destination buffer
+ * \param h: which header index we are interested in
+ *
+ * copies the whole, aggregated header, even if it was delivered in
+ * several actual headers piece by piece.  Returns -1 or length of the whole
+ * header.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_hdr_copy(struct lws *wsi, char *dest, int len, enum lws_token_indexes h);
+
+/**
+ * lws_hdr_copy_fragment() - copy a single fragment of the given header to a buffer
+ *		The buffer length len must include space for an additional
+ *		terminating '\0', or it will fail returning -1.
+ *		If the requested fragment index is not present, it fails
+ *		returning -1.
+ *
+ * \param wsi: websocket connection
+ * \param dest: destination buffer
+ * \param len: length of destination buffer
+ * \param h: which header index we are interested in
+ * \param frag_idx: which fragment of h we want to copy
+ *
+ * Normally this is only useful
+ * to parse URI arguments like ?x=1&y=2, token index WSI_TOKEN_HTTP_URI_ARGS
+ * fragment 0 will contain "x=1" and fragment 1 "y=2"
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_hdr_copy_fragment(struct lws *wsi, char *dest, int len,
+		      enum lws_token_indexes h, int frag_idx);
+
+/**
+ * lws_get_urlarg_by_name() - return pointer to arg value if present
+ * \param wsi: the connection to check
+ * \param name: the arg name, like "token="
+ * \param buf: the buffer to receive the urlarg (including the name= part)
+ * \param len: the length of the buffer to receive the urlarg
+ *
+ *     Returns NULL if not found or a pointer inside buf to just after the
+ *     name= part.
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_get_urlarg_by_name(struct lws *wsi, const char *name, char *buf, int len);
+///@}
+
+/*! \defgroup HTTP-headers-create HTTP headers: create
+ *
+ * ## HTTP headers: Create
+ *
+ * These apis allow you to create HTTP response headers in a way compatible with
+ * both HTTP/1.x and HTTP/2.
+ *
+ * They each append to a buffer taking care about the buffer end, which is
+ * passed in as a pointer.  When data is written to the buffer, the current
+ * position p is updated accordingly.
+ *
+ * All of these apis are LWS_WARN_UNUSED_RESULT as they can run out of space
+ * and fail with nonzero return.
+ */
+///@{
+
+#define LWSAHH_CODE_MASK			((1 << 16) - 1)
+#define LWSAHH_FLAG_NO_SERVER_NAME		(1 << 30)
+
+/**
+ * lws_add_http_header_status() - add the HTTP response status code
+ *
+ * \param wsi: the connection to check
+ * \param code: an HTTP code like 200, 404 etc (see enum http_status)
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Adds the initial response code, so should be called first.
+ *
+ * Code may additionally take OR'd flags:
+ *
+ *    LWSAHH_FLAG_NO_SERVER_NAME:  don't apply server name header this time
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_add_http_header_status(struct lws *wsi,
+			   unsigned int code, unsigned char **p,
+			   unsigned char *end);
+/**
+ * lws_add_http_header_by_name() - append named header and value
+ *
+ * \param wsi: the connection to check
+ * \param name: the hdr name, like "my-header"
+ * \param value: the value after the = for this header
+ * \param length: the length of the value
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Appends name: value to the headers
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_add_http_header_by_name(struct lws *wsi, const unsigned char *name,
+			    const unsigned char *value, int length,
+			    unsigned char **p, unsigned char *end);
+/**
+ * lws_add_http_header_by_token() - append given header and value
+ *
+ * \param wsi: the connection to check
+ * \param token: the token index for the hdr
+ * \param value: the value after the = for this header
+ * \param length: the length of the value
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Appends name=value to the headers, but is able to take advantage of better
+ * HTTP/2 coding mechanisms where possible.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_add_http_header_by_token(struct lws *wsi, enum lws_token_indexes token,
+			     const unsigned char *value, int length,
+			     unsigned char **p, unsigned char *end);
+/**
+ * lws_add_http_header_content_length() - append content-length helper
+ *
+ * \param wsi: the connection to check
+ * \param content_length: the content length to use
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Appends content-length: content_length to the headers
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_add_http_header_content_length(struct lws *wsi,
+				   lws_filepos_t content_length,
+				   unsigned char **p, unsigned char *end);
+/**
+ * lws_finalize_http_header() - terminate header block
+ *
+ * \param wsi: the connection to check
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Indicates no more headers will be added
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_finalize_http_header(struct lws *wsi, unsigned char **p,
+			 unsigned char *end);
+
+/**
+ * lws_finalize_write_http_header() - Helper finializing and writing http headers
+ *
+ * \param wsi: the connection to check
+ * \param start: pointer to the start of headers in the buffer, eg &buf[LWS_PRE]
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Terminates the headers correctly accoring to the protocol in use (h1 / h2)
+ * and writes the headers.  Returns nonzero for error.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_finalize_write_http_header(struct lws *wsi, unsigned char *start,
+			       unsigned char **p, unsigned char *end);
+
+#define LWS_ILLEGAL_HTTP_CONTENT_LEN ((lws_filepos_t)-1ll)
+
+/**
+ * lws_add_http_common_headers() - Helper preparing common http headers
+ *
+ * \param wsi: the connection to check
+ * \param code: an HTTP code like 200, 404 etc (see enum http_status)
+ * \param content_type: the content type, like "text/html"
+ * \param content_len: the content length, in bytes
+ * \param p: pointer to current position in buffer pointer
+ * \param end: pointer to end of buffer
+ *
+ * Adds the initial response code, so should be called first.
+ *
+ * Code may additionally take OR'd flags:
+ *
+ *    LWSAHH_FLAG_NO_SERVER_NAME:  don't apply server name header this time
+ *
+ * This helper just calls public apis to simplify adding headers that are
+ * commonly needed.  If it doesn't fit your case, or you want to add additional
+ * headers just call the public apis directly yourself for what you want.
+ *
+ * You can miss out the content length header by providing the constant
+ * LWS_ILLEGAL_HTTP_CONTENT_LEN for the content_len.
+ *
+ * It does not call lws_finalize_http_header(), to allow you to add further
+ * headers after calling this.  You will need to call that yourself at the end.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_add_http_common_headers(struct lws *wsi, unsigned int code,
+			    const char *content_type, lws_filepos_t content_len,
+			    unsigned char **p, unsigned char *end);
+
+///@}
+
+/*! \defgroup urlendec Urlencode and Urldecode
+ * \ingroup http
+ *
+ * ##HTML chunked Substitution
+ *
+ * APIs for receiving chunks of text, replacing a set of variable names via
+ * a callback, and then prepending and appending HTML chunked encoding
+ * headers.
+ */
+//@{
+
+/**
+ * lws_urlencode() - like strncpy but with urlencoding
+ *
+ * \param escaped: output buffer
+ * \param string: input buffer ('/0' terminated)
+ * \param len: output buffer max length
+ *
+ * Because urlencoding expands the output string, it's not
+ * possible to do it in-place, ie, with escaped == string
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_urlencode(char *escaped, const char *string, int len);
+
+/*
+ * URLDECODE 1 / 2
+ *
+ * This simple urldecode only operates until the first '\0' and requires the
+ * data to exist all at once
+ */
+/**
+ * lws_urldecode() - like strncpy but with urldecoding
+ *
+ * \param string: output buffer
+ * \param escaped: input buffer ('\0' terminated)
+ * \param len: output buffer max length
+ *
+ * This is only useful for '\0' terminated strings
+ *
+ * Since urldecoding only shrinks the output string, it is possible to
+ * do it in-place, ie, string == escaped
+ *
+ * Returns 0 if completed OK or nonzero for urldecode violation (non-hex chars
+ * where hex required, etc)
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_urldecode(char *string, const char *escaped, int len);
+///@}
+
+/**
+ * lws_return_http_status() - Return simple http status
+ * \param wsi:		Websocket instance (available from user callback)
+ * \param code:		Status index, eg, 404
+ * \param html_body:		User-readable HTML description < 1KB, or NULL
+ *
+ *	Helper to report HTTP errors back to the client cleanly and
+ *	consistently
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_return_http_status(struct lws *wsi, unsigned int code,
+		       const char *html_body);
+
+/**
+ * lws_http_redirect() - write http redirect out on wsi
+ *
+ * \param wsi:	websocket connection
+ * \param code:	HTTP response code (eg, 301)
+ * \param loc:	where to redirect to
+ * \param len:	length of loc
+ * \param p:	pointer current position in buffer (updated as we write)
+ * \param end:	pointer to end of buffer
+ *
+ * Returns amount written, or < 0 indicating fatal write failure.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_http_redirect(struct lws *wsi, int code, const unsigned char *loc, int len,
+		  unsigned char **p, unsigned char *end);
+
+/**
+ * lws_http_transaction_completed() - wait for new http transaction or close
+ * \param wsi:	websocket connection
+ *
+ *	Returns 1 if the HTTP connection must close now
+ *	Returns 0 and resets connection to wait for new HTTP header /
+ *	  transaction if possible
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_http_transaction_completed(struct lws *wsi);
+
+/**
+ * lws_http_compression_apply() - apply an http compression transform
+ *
+ * \param wsi: the wsi to apply the compression transform to
+ * \param name: NULL, or the name of the compression transform, eg, "deflate"
+ * \param p: pointer to pointer to headers buffer
+ * \param end: pointer to end of headers buffer
+ * \param decomp: 0 = add compressor to wsi, 1 = add decompressor
+ *
+ * This allows transparent compression of dynamically generated HTTP.  The
+ * requested compression (eg, "deflate") is only applied if the client headers
+ * indicated it was supported (and it has support in lws), otherwise it's a NOP.
+ *
+ * If the requested compression method is NULL, then the supported compression
+ * formats are tried, and for non-decompression (server) mode the first that's
+ * found on the client's accept-encoding header is chosen.
+ *
+ * NOTE: the compression transform, same as h2 support, relies on the user
+ * code using LWS_WRITE_HTTP and then LWS_WRITE_HTTP_FINAL on the last part
+ * written.  The internal lws fileserving code already does this.
+ *
+ * If the library was built without the cmake option
+ * LWS_WITH_HTTP_STREAM_COMPRESSION set, then a NOP is provided for this api,
+ * allowing user code to build either way and use compression if available.
+ */
+LWS_VISIBLE int
+lws_http_compression_apply(struct lws *wsi, const char *name,
+			   unsigned char **p, unsigned char *end, char decomp);
+///@}
+
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-jwk.h b/thirdparty/libwebsockets/include/libwebsockets/lws-jwk.h
new file mode 100644
index 0000000000..2e2eabd73e
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-jwk.h
@@ -0,0 +1,110 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+
+/*! \defgroup jwk JSON Web Keys
+ * ## JSON Web Keys API
+ *
+ * Lws provides an API to parse JSON Web Keys into a struct lws_genrsa_elements.
+ *
+ * "oct" and "RSA" type keys are supported.  For "oct" keys, they are held in
+ * the "e" member of the struct lws_genrsa_elements.
+ *
+ * Keys elements are allocated on the heap.  You must destroy the allocations
+ * in the struct lws_genrsa_elements by calling
+ * lws_jwk_destroy_genrsa_elements() when you are finished with it.
+ */
+///@{
+
+struct lws_jwk {
+	char keytype[5];		/**< "oct" or "RSA" */
+	struct lws_genrsa_elements el;	/**< OCTet key is in el.e */
+};
+
+/** lws_jwk_import() - Create a JSON Web key from the textual representation
+ *
+ * \param s: the JWK object to create
+ * \param in: a single JWK JSON stanza in utf-8
+ * \param len: the length of the JWK JSON stanza in bytes
+ *
+ * Creates an lws_jwk struct filled with data from the JSON representation.
+ * "oct" and "rsa" key types are supported.
+ *
+ * For "oct" type keys, it is loaded into el.e.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_jwk_import(struct lws_jwk *s, const char *in, size_t len);
+
+/** lws_jwk_destroy() - Destroy a JSON Web key
+ *
+ * \param s: the JWK object to destroy
+ *
+ * All allocations in the lws_jwk are destroyed
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_jwk_destroy(struct lws_jwk *s);
+
+/** lws_jwk_export() - Export a JSON Web key to a textual representation
+ *
+ * \param s: the JWK object to export
+ * \param _private: 0 = just export public parts, 1 = export everything
+ * \param p: the buffer to write the exported JWK to
+ * \param len: the length of the buffer \p p in bytes
+ *
+ * Returns length of the used part of the buffer if OK, or -1 for error.
+ *
+ * Serializes the content of the JWK into a char buffer.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_jwk_export(struct lws_jwk *s, int _private, char *p, size_t len);
+
+/** lws_jwk_load() - Import a JSON Web key from a file
+ *
+ * \param s: the JWK object to load into
+ * \param filename: filename to load from
+ *
+ * Returns 0 for OK or -1 for failure
+ */
+LWS_VISIBLE int
+lws_jwk_load(struct lws_jwk *s, const char *filename);
+
+/** lws_jwk_save() - Export a JSON Web key to a file
+ *
+ * \param s: the JWK object to save from
+ * \param filename: filename to save to
+ *
+ * Returns 0 for OK or -1 for failure
+ */
+LWS_VISIBLE int
+lws_jwk_save(struct lws_jwk *s, const char *filename);
+
+/** lws_jwk_rfc7638_fingerprint() - jwk to RFC7638 compliant fingerprint
+ *
+ * \param s: the JWK object to fingerprint
+ * \param digest32: buffer to take 32-byte digest
+ *
+ * Returns 0 for OK or -1 for failure
+ */
+LWS_VISIBLE int
+lws_jwk_rfc7638_fingerprint(struct lws_jwk *s, char *digest32);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-jws.h b/thirdparty/libwebsockets/include/libwebsockets/lws-jws.h
new file mode 100644
index 0000000000..7112fc3dba
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-jws.h
@@ -0,0 +1,101 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup jws JSON Web Signature
+ * ## JSON Web Signature API
+ *
+ * Lws provides an API to check and create RFC7515 JSON Web Signatures
+ *
+ * SHA256/384/512 HMAC, and RSA 256/384/512 are supported.
+ *
+ * The API uses your TLS library crypto, but works exactly the same no matter
+ * what you TLS backend is.
+ */
+///@{
+
+LWS_VISIBLE LWS_EXTERN int
+lws_jws_confirm_sig(const char *in, size_t len, struct lws_jwk *jwk);
+
+/**
+ * lws_jws_sign_from_b64() - add b64 sig to b64 hdr + payload
+ *
+ * \param b64_hdr: protected header encoded in b64, may be NULL
+ * \param hdr_len: bytes in b64 coding of protected header
+ * \param b64_pay: payload encoded in b64
+ * \param pay_len: bytes in b64 coding of payload
+ * \param b64_sig: buffer to write the b64 encoded signature into
+ * \param sig_len: max bytes we can write at b64_sig
+ * \param hash_type: one of LWS_GENHASH_TYPE_SHA[256|384|512]
+ * \param jwk: the struct lws_jwk containing the signing key
+ *
+ * This adds a b64-coded JWS signature of the b64-encoded protected header
+ * and b64-encoded payload, at \p b64_sig.  The signature will be as large
+ * as the N element of the RSA key when the RSA key is used, eg, 512 bytes for
+ * a 4096-bit key, and then b64-encoding on top.
+ *
+ * In some special cases, there is only payload to sign and no header, in that
+ * case \p b64_hdr may be NULL, and only the payload will be hashed before
+ * signing.
+ *
+ * Returns the length of the encoded signature written to \p b64_sig, or -1.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_jws_sign_from_b64(const char *b64_hdr, size_t hdr_len, const char *b64_pay,
+		      size_t pay_len, char *b64_sig, size_t sig_len,
+		      enum lws_genhash_types hash_type, struct lws_jwk *jwk);
+
+/**
+ * lws_jws_create_packet() - add b64 sig to b64 hdr + payload
+ *
+ * \param jwk: the struct lws_jwk containing the signing key
+ * \param payload: unencoded payload JSON
+ * \param len: length of unencoded payload JSON
+ * \param nonce: Nonse string to include in protected header
+ * \param out: buffer to take signed packet
+ * \param out_len: size of \p out buffer
+ *
+ * This creates a "flattened" JWS packet from the jwk and the plaintext
+ * payload, and signs it.  The packet is written into \p out.
+ *
+ * This does the whole packet assembly and signing, calling through to
+ * lws_jws_sign_from_b64() as part of the process.
+ *
+ * Returns the length written to \p out, or -1.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_jws_create_packet(struct lws_jwk *jwk, const char *payload, size_t len,
+		      const char *nonce, char *out, size_t out_len);
+
+/**
+ * lws_jws_base64_enc() - encode input data into b64url data
+ *
+ * \param in: the incoming plaintext
+ * \param in_len: the length of the incoming plaintext in bytes
+ * \param out: the buffer to store the b64url encoded data to
+ * \param out_max: the length of \p out in bytes
+ *
+ * Returns either -1 if problems, or the number of bytes written to \p out.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_jws_base64_enc(const char *in, size_t in_len, char *out, size_t out_max);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-lejp.h b/thirdparty/libwebsockets/include/libwebsockets/lws-lejp.h
new file mode 100644
index 0000000000..f3f7e59a64
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-lejp.h
@@ -0,0 +1,262 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup lejp JSON parser
+ * ##JSON parsing related functions
+ * \ingroup lwsapi
+ *
+ * LEJP is an extremely lightweight JSON stream parser included in lws.
+ */
+//@{
+struct lejp_ctx;
+
+#if !defined(LWS_ARRAY_SIZE)
+#define LWS_ARRAY_SIZE(_x) (sizeof(_x) / sizeof(_x[0]))
+#endif
+#define LEJP_FLAG_WS_KEEP 64
+#define LEJP_FLAG_WS_COMMENTLINE 32
+
+enum lejp_states {
+	LEJP_IDLE = 0,
+	LEJP_MEMBERS = 1,
+	LEJP_M_P = 2,
+	LEJP_MP_STRING = LEJP_FLAG_WS_KEEP | 3,
+	LEJP_MP_STRING_ESC = LEJP_FLAG_WS_KEEP | 4,
+	LEJP_MP_STRING_ESC_U1 = LEJP_FLAG_WS_KEEP | 5,
+	LEJP_MP_STRING_ESC_U2 = LEJP_FLAG_WS_KEEP | 6,
+	LEJP_MP_STRING_ESC_U3 = LEJP_FLAG_WS_KEEP | 7,
+	LEJP_MP_STRING_ESC_U4 = LEJP_FLAG_WS_KEEP | 8,
+	LEJP_MP_DELIM = 9,
+	LEJP_MP_VALUE = 10,
+	LEJP_MP_VALUE_NUM_INT = LEJP_FLAG_WS_KEEP | 11,
+	LEJP_MP_VALUE_NUM_EXP = LEJP_FLAG_WS_KEEP | 12,
+	LEJP_MP_VALUE_TOK = LEJP_FLAG_WS_KEEP | 13,
+	LEJP_MP_COMMA_OR_END = 14,
+	LEJP_MP_ARRAY_END = 15,
+};
+
+enum lejp_reasons {
+	LEJP_CONTINUE = -1,
+	LEJP_REJECT_IDLE_NO_BRACE = -2,
+	LEJP_REJECT_MEMBERS_NO_CLOSE = -3,
+	LEJP_REJECT_MP_NO_OPEN_QUOTE = -4,
+	LEJP_REJECT_MP_STRING_UNDERRUN = -5,
+	LEJP_REJECT_MP_ILLEGAL_CTRL = -6,
+	LEJP_REJECT_MP_STRING_ESC_ILLEGAL_ESC = -7,
+	LEJP_REJECT_ILLEGAL_HEX = -8,
+	LEJP_REJECT_MP_DELIM_MISSING_COLON = -9,
+	LEJP_REJECT_MP_DELIM_BAD_VALUE_START = -10,
+	LEJP_REJECT_MP_VAL_NUM_INT_NO_FRAC = -11,
+	LEJP_REJECT_MP_VAL_NUM_FORMAT = -12,
+	LEJP_REJECT_MP_VAL_NUM_EXP_BAD_EXP = -13,
+	LEJP_REJECT_MP_VAL_TOK_UNKNOWN = -14,
+	LEJP_REJECT_MP_C_OR_E_UNDERF = -15,
+	LEJP_REJECT_MP_C_OR_E_NOTARRAY = -16,
+	LEJP_REJECT_MP_ARRAY_END_MISSING = -17,
+	LEJP_REJECT_STACK_OVERFLOW = -18,
+	LEJP_REJECT_MP_DELIM_ISTACK = -19,
+	LEJP_REJECT_NUM_TOO_LONG = -20,
+	LEJP_REJECT_MP_C_OR_E_NEITHER = -21,
+	LEJP_REJECT_UNKNOWN = -22,
+	LEJP_REJECT_CALLBACK = -23
+};
+
+#define LEJP_FLAG_CB_IS_VALUE 64
+
+enum lejp_callbacks {
+	LEJPCB_CONSTRUCTED	= 0,
+	LEJPCB_DESTRUCTED	= 1,
+
+	LEJPCB_START		= 2,
+	LEJPCB_COMPLETE		= 3,
+	LEJPCB_FAILED		= 4,
+
+	LEJPCB_PAIR_NAME	= 5,
+
+	LEJPCB_VAL_TRUE		= LEJP_FLAG_CB_IS_VALUE | 6,
+	LEJPCB_VAL_FALSE	= LEJP_FLAG_CB_IS_VALUE | 7,
+	LEJPCB_VAL_NULL		= LEJP_FLAG_CB_IS_VALUE | 8,
+	LEJPCB_VAL_NUM_INT	= LEJP_FLAG_CB_IS_VALUE | 9,
+	LEJPCB_VAL_NUM_FLOAT	= LEJP_FLAG_CB_IS_VALUE | 10,
+	LEJPCB_VAL_STR_START	= 11, /* notice handle separately */
+	LEJPCB_VAL_STR_CHUNK	= LEJP_FLAG_CB_IS_VALUE | 12,
+	LEJPCB_VAL_STR_END	= LEJP_FLAG_CB_IS_VALUE | 13,
+
+	LEJPCB_ARRAY_START	= 14,
+	LEJPCB_ARRAY_END	= 15,
+
+	LEJPCB_OBJECT_START	= 16,
+	LEJPCB_OBJECT_END	= 17
+};
+
+/**
+ * _lejp_callback() - User parser actions
+ * \param ctx:	LEJP context
+ * \param reason:	Callback reason
+ *
+ *	Your user callback is associated with the context at construction time,
+ *	and receives calls as the parsing progresses.
+ *
+ *	All of the callbacks may be ignored and just return 0.
+ *
+ *	The reasons it might get called, found in @reason, are:
+ *
+ *  LEJPCB_CONSTRUCTED:  The context was just constructed... you might want to
+ *		perform one-time allocation for the life of the context.
+ *
+ *  LEJPCB_DESTRUCTED:	The context is being destructed... if you made any
+ *		allocations at construction-time, you can free them now
+ *
+ *  LEJPCB_START:	Parsing is beginning at the first byte of input
+ *
+ *  LEJPCB_COMPLETE:	Parsing has completed successfully.  You'll get a 0 or
+ *			positive return code from lejp_parse indicating the
+ *			amount of unused bytes left in the input buffer
+ *
+ *  LEJPCB_FAILED:	Parsing failed.  You'll get a negative error code
+ *  			returned from lejp_parse
+ *
+ *  LEJPCB_PAIR_NAME:	When a "name":"value" pair has had the name parsed,
+ *			this callback occurs.  You can find the new name at
+ *			the end of ctx->path[]
+ *
+ *  LEJPCB_VAL_TRUE:	The "true" value appeared
+ *
+ *  LEJPCB_VAL_FALSE:	The "false" value appeared
+ *
+ *  LEJPCB_VAL_NULL:	The "null" value appeared
+ *
+ *  LEJPCB_VAL_NUM_INT:	A string representing an integer is in ctx->buf
+ *
+ *  LEJPCB_VAL_NUM_FLOAT: A string representing a float is in ctx->buf
+ *
+ *  LEJPCB_VAL_STR_START: We are starting to parse a string, no data yet
+ *
+ *  LEJPCB_VAL_STR_CHUNK: We parsed LEJP_STRING_CHUNK -1 bytes of string data in
+ *			ctx->buf, which is as much as we can buffer, so we are
+ *			spilling it.  If all your strings are less than
+ *			LEJP_STRING_CHUNK - 1 bytes, you will never see this
+ *			callback.
+ *
+ *  LEJPCB_VAL_STR_END:	String parsing has completed, the last chunk of the
+ *			string is in ctx->buf.
+ *
+ *  LEJPCB_ARRAY_START:	An array started
+ *
+ *  LEJPCB_ARRAY_END:	An array ended
+ *
+ *  LEJPCB_OBJECT_START: An object started
+ *
+ *  LEJPCB_OBJECT_END:	An object ended
+ */
+LWS_EXTERN signed char _lejp_callback(struct lejp_ctx *ctx, char reason);
+
+typedef signed char (*lejp_callback)(struct lejp_ctx *ctx, char reason);
+
+#ifndef LEJP_MAX_DEPTH
+#define LEJP_MAX_DEPTH 12
+#endif
+#ifndef LEJP_MAX_INDEX_DEPTH
+#define LEJP_MAX_INDEX_DEPTH 5
+#endif
+#ifndef LEJP_MAX_PATH
+#define LEJP_MAX_PATH 128
+#endif
+#ifndef LEJP_STRING_CHUNK
+/* must be >= 30 to assemble floats */
+#define LEJP_STRING_CHUNK 254
+#endif
+
+enum num_flags {
+	LEJP_SEEN_MINUS = (1 << 0),
+	LEJP_SEEN_POINT = (1 << 1),
+	LEJP_SEEN_POST_POINT = (1 << 2),
+	LEJP_SEEN_EXP = (1 << 3)
+};
+
+struct _lejp_stack {
+	char s; /* lejp_state stack*/
+	char p;	/* path length */
+	char i; /* index array length */
+	char b; /* user bitfield */
+};
+
+struct lejp_ctx {
+
+	/* sorted by type for most compact alignment
+	 *
+	 * pointers
+	 */
+
+	signed char (*callback)(struct lejp_ctx *ctx, char reason);
+	void *user;
+	const char * const *paths;
+
+	/* arrays */
+
+	struct _lejp_stack st[LEJP_MAX_DEPTH];
+	uint16_t i[LEJP_MAX_INDEX_DEPTH]; /* index array */
+	uint16_t wild[LEJP_MAX_INDEX_DEPTH]; /* index array */
+	char path[LEJP_MAX_PATH];
+	char buf[LEJP_STRING_CHUNK + 1];
+
+	/* int */
+
+	uint32_t line;
+
+	/* short */
+
+	uint16_t uni;
+
+	/* char */
+
+	uint8_t npos;
+	uint8_t dcount;
+	uint8_t f;
+	uint8_t sp; /* stack head */
+	uint8_t ipos; /* index stack depth */
+	uint8_t ppos;
+	uint8_t count_paths;
+	uint8_t path_match;
+	uint8_t path_match_len;
+	uint8_t wildcount;
+};
+
+LWS_VISIBLE LWS_EXTERN void
+lejp_construct(struct lejp_ctx *ctx,
+	       signed char (*callback)(struct lejp_ctx *ctx, char reason),
+	       void *user, const char * const *paths, unsigned char paths_count);
+
+LWS_VISIBLE LWS_EXTERN void
+lejp_destruct(struct lejp_ctx *ctx);
+
+LWS_VISIBLE LWS_EXTERN int
+lejp_parse(struct lejp_ctx *ctx, const unsigned char *json, int len);
+
+LWS_VISIBLE LWS_EXTERN void
+lejp_change_callback(struct lejp_ctx *ctx,
+		     signed char (*callback)(struct lejp_ctx *ctx, char reason));
+
+LWS_VISIBLE LWS_EXTERN int
+lejp_get_wildcard(struct lejp_ctx *ctx, int wildcard, char *dest, int len);
+//@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-logs.h b/thirdparty/libwebsockets/include/libwebsockets/lws-logs.h
new file mode 100644
index 0000000000..9317dcc70c
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-logs.h
@@ -0,0 +1,224 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup log Logging
+ *
+ * ##Logging
+ *
+ * Lws provides flexible and filterable logging facilities, which can be
+ * used inside lws and in user code.
+ *
+ * Log categories may be individually filtered bitwise, and directed to built-in
+ * sinks for syslog-compatible logging, or a user-defined function.
+ */
+///@{
+
+enum lws_log_levels {
+	LLL_ERR		= 1 << 0,
+	LLL_WARN	= 1 << 1,
+	LLL_NOTICE	= 1 << 2,
+	LLL_INFO	= 1 << 3,
+	LLL_DEBUG	= 1 << 4,
+	LLL_PARSER	= 1 << 5,
+	LLL_HEADER	= 1 << 6,
+	LLL_EXT		= 1 << 7,
+	LLL_CLIENT	= 1 << 8,
+	LLL_LATENCY	= 1 << 9,
+	LLL_USER	= 1 << 10,
+	LLL_THREAD	= 1 << 11,
+
+	LLL_COUNT	= 12 /* set to count of valid flags */
+};
+
+LWS_VISIBLE LWS_EXTERN void _lws_log(int filter, const char *format, ...) LWS_FORMAT(2);
+LWS_VISIBLE LWS_EXTERN void _lws_logv(int filter, const char *format, va_list vl);
+/**
+ * lwsl_timestamp: generate logging timestamp string
+ *
+ * \param level:	logging level
+ * \param p:		char * buffer to take timestamp
+ * \param len:	length of p
+ *
+ * returns length written in p
+ */
+LWS_VISIBLE LWS_EXTERN int
+lwsl_timestamp(int level, char *p, int len);
+
+/* these guys are unconditionally included */
+
+#define lwsl_err(...) _lws_log(LLL_ERR, __VA_ARGS__)
+#define lwsl_user(...) _lws_log(LLL_USER, __VA_ARGS__)
+
+#if !defined(LWS_WITH_NO_LOGS)
+/* notice and warn are usually included by being compiled in */
+#define lwsl_warn(...) _lws_log(LLL_WARN, __VA_ARGS__)
+#define lwsl_notice(...) _lws_log(LLL_NOTICE, __VA_ARGS__)
+#endif
+/*
+ *  weaker logging can be deselected by telling CMake to build in RELEASE mode
+ *  that gets rid of the overhead of checking while keeping _warn and _err
+ *  active
+ */
+
+#ifdef _DEBUG
+#if defined(LWS_WITH_NO_LOGS)
+/* notice, warn and log are always compiled in */
+#define lwsl_warn(...) _lws_log(LLL_WARN, __VA_ARGS__)
+#define lwsl_notice(...) _lws_log(LLL_NOTICE, __VA_ARGS__)
+#endif
+#define lwsl_info(...) _lws_log(LLL_INFO, __VA_ARGS__)
+#define lwsl_debug(...) _lws_log(LLL_DEBUG, __VA_ARGS__)
+#define lwsl_parser(...) _lws_log(LLL_PARSER, __VA_ARGS__)
+#define lwsl_header(...)  _lws_log(LLL_HEADER, __VA_ARGS__)
+#define lwsl_ext(...)  _lws_log(LLL_EXT, __VA_ARGS__)
+#define lwsl_client(...) _lws_log(LLL_CLIENT, __VA_ARGS__)
+#define lwsl_latency(...) _lws_log(LLL_LATENCY, __VA_ARGS__)
+#define lwsl_thread(...) _lws_log(LLL_THREAD, __VA_ARGS__)
+
+#else /* no debug */
+#if defined(LWS_WITH_NO_LOGS)
+#define lwsl_warn(...) do {} while(0)
+#define lwsl_notice(...) do {} while(0)
+#endif
+#define lwsl_info(...) do {} while(0)
+#define lwsl_debug(...) do {} while(0)
+#define lwsl_parser(...) do {} while(0)
+#define lwsl_header(...) do {} while(0)
+#define lwsl_ext(...) do {} while(0)
+#define lwsl_client(...) do {} while(0)
+#define lwsl_latency(...) do {} while(0)
+#define lwsl_thread(...) do {} while(0)
+
+#endif
+
+#define lwsl_hexdump_err(...) lwsl_hexdump_level(LLL_ERR, __VA_ARGS__)
+#define lwsl_hexdump_warn(...) lwsl_hexdump_level(LLL_WARN, __VA_ARGS__)
+#define lwsl_hexdump_notice(...) lwsl_hexdump_level(LLL_NOTICE, __VA_ARGS__)
+#define lwsl_hexdump_info(...) lwsl_hexdump_level(LLL_INFO, __VA_ARGS__)
+#define lwsl_hexdump_debug(...) lwsl_hexdump_level(LLL_DEBUG, __VA_ARGS__)
+
+/**
+ * lwsl_hexdump_level() - helper to hexdump a buffer at a selected debug level
+ *
+ * \param level: one of LLL_ constants
+ * \param vbuf: buffer start to dump
+ * \param len: length of buffer to dump
+ *
+ * If \p level is visible, does a nice hexdump -C style dump of \p vbuf for
+ * \p len bytes.  This can be extremely convenient while debugging.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsl_hexdump_level(int level, const void *vbuf, size_t len);
+
+/**
+ * lwsl_hexdump() - helper to hexdump a buffer (DEBUG builds only)
+ *
+ * \param buf: buffer start to dump
+ * \param len: length of buffer to dump
+ *
+ * Calls through to lwsl_hexdump_level(LLL_DEBUG, ... for compatability.
+ * It's better to use lwsl_hexdump_level(level, ... directly so you can control
+ * the visibility.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsl_hexdump(const void *buf, size_t len);
+
+/**
+ * lws_is_be() - returns nonzero if the platform is Big Endian
+ */
+static LWS_INLINE int lws_is_be(void) {
+	const int probe = ~0xff;
+
+	return *(const char *)&probe;
+}
+
+/**
+ * lws_set_log_level() - Set the logging bitfield
+ * \param level:	OR together the LLL_ debug contexts you want output from
+ * \param log_emit_function:	NULL to leave it as it is, or a user-supplied
+ *			function to perform log string emission instead of
+ *			the default stderr one.
+ *
+ *	log level defaults to "err", "warn" and "notice" contexts enabled and
+ *	emission on stderr.  If stderr is a tty (according to isatty()) then
+ *	the output is coloured according to the log level using ANSI escapes.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_set_log_level(int level,
+		  void (*log_emit_function)(int level, const char *line));
+
+/**
+ * lwsl_emit_syslog() - helper log emit function writes to system log
+ *
+ * \param level: one of LLL_ log level indexes
+ * \param line: log string
+ *
+ * You use this by passing the function pointer to lws_set_log_level(), to set
+ * it as the log emit function, it is not called directly.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsl_emit_syslog(int level, const char *line);
+
+/**
+ * lwsl_emit_stderr() - helper log emit function writes to stderr
+ *
+ * \param level: one of LLL_ log level indexes
+ * \param line: log string
+ *
+ * You use this by passing the function pointer to lws_set_log_level(), to set
+ * it as the log emit function, it is not called directly.
+ *
+ * It prepends a system timestamp like [2018/11/13 07:41:57:3989]
+ *
+ * If stderr is a tty, then ansi colour codes are added.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsl_emit_stderr(int level, const char *line);
+
+/**
+ * lwsl_emit_stderr_notimestamp() - helper log emit function writes to stderr
+ *
+ * \param level: one of LLL_ log level indexes
+ * \param line: log string
+ *
+ * You use this by passing the function pointer to lws_set_log_level(), to set
+ * it as the log emit function, it is not called directly.
+ *
+ * If stderr is a tty, then ansi colour codes are added.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsl_emit_stderr_notimestamp(int level, const char *line);
+
+/**
+ * lwsl_visible() - returns true if the log level should be printed
+ *
+ * \param level: one of LLL_ log level indexes
+ *
+ * This is useful if you have to do work to generate the log content, you
+ * can skip the work if the log level used to print it is not actually
+ * enabled at runtime.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lwsl_visible(int level);
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-lwsac.h b/thirdparty/libwebsockets/include/libwebsockets/lws-lwsac.h
new file mode 100644
index 0000000000..1f914b66a6
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-lwsac.h
@@ -0,0 +1,191 @@
+/*
+ * libwebsockets - lws alloc chunk
+ *
+ * Copyright (C) 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup log lwsac
+ *
+ * ##Allocated Chunks
+ *
+ * If you know you will be allocating a large, unknown number of same or
+ * differently sized objects, it's certainly possible to do it with libc
+ * malloc.  However the allocation cost in time and memory overhead can
+ * add up, and deallocation means walking the structure of every object and
+ * freeing them in turn.
+ *
+ * lwsac (LWS Allocated Chunks) allocates chunks intended to be larger
+ * than your objects (4000 bytes by default) which you linearly allocate from
+ * using lwsac_use().
+ *
+ * If your next request won't fit in the current chunk, a new chunk is added
+ * to the chain of chunks and the allocaton done from there.  If the request
+ * is larger than the chunk size, an oversize chunk is created to satisfy it.
+ *
+ * When you are finished with the allocations, you call lwsac_free() and
+ * free all the *chunks*.  So you may have thousands of objects in the chunks,
+ * but they are all destroyed with the chunks without having to deallocate them
+ * one by one pointlessly.
+ */
+///@{
+
+struct lwsac;
+typedef unsigned char * lwsac_cached_file_t;
+
+
+#define lws_list_ptr_container(P,T,M) ((T *)((char *)(P) - offsetof(T, M)))
+
+/*
+ * linked-list helper that's commonly useful to manage lists of things
+ * allocated using lwsac.
+ *
+ * These lists point to their corresponding "next" member in the target, NOT
+ * the original containing struct.  To get the containing struct, you must use
+ * lws_list_ptr_container() to convert.
+ *
+ * It's like that because it means we no longer have to have the next pointer
+ * at the start of the struct, and we can have the same struct on multiple
+ * linked-lists with everything held in the struct itself.
+ */
+typedef void * lws_list_ptr;
+
+/*
+ * optional sorting callback called by lws_list_ptr_insert() to sort the right
+ * things inside the opqaue struct being sorted / inserted on the list.
+ */
+typedef int (*lws_list_ptr_sort_func_t)(lws_list_ptr a, lws_list_ptr b);
+
+#define lws_list_ptr_advance(_lp) _lp = *((void **)_lp)
+
+/* sort may be NULL if you don't care about order */
+LWS_VISIBLE LWS_EXTERN void
+lws_list_ptr_insert(lws_list_ptr *phead, lws_list_ptr *add,
+		    lws_list_ptr_sort_func_t sort);
+
+
+/**
+ * lwsac_use - allocate / use some memory from a lwsac
+ *
+ * \param head: pointer to the lwsac list object
+ * \param ensure: the number of bytes we want to use
+ * \param chunk_size: 0, or the size of the chunk to (over)allocate if
+ *			what we want won't fit in the current tail chunk.  If
+ *			0, the default value of 4000 is used. If ensure is
+ *			larger, it is used instead.
+ *
+ * This also serves to init the lwsac if *head is NULL.  Basically it does
+ * whatever is necessary to return you a pointer to ensure bytes of memory
+ * reserved for the caller.
+ *
+ * Returns NULL if OOM.
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lwsac_use(struct lwsac **head, size_t ensure, size_t chunk_size);
+
+/**
+ * lwsac_free - deallocate all chunks in the lwsac and set head NULL
+ *
+ * \param head: pointer to the lwsac list object
+ *
+ * This deallocates all chunks in the lwsac, then sets *head to NULL.  All
+ * lwsac_use() pointers are invalidated in one hit without individual frees.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsac_free(struct lwsac **head);
+
+/*
+ * Optional helpers useful for where consumers may need to defer destruction
+ * until all consumers are finished with the lwsac
+ */
+
+/**
+ * lwsac_detach() - destroy an lwsac unless somebody else is referencing it
+ *
+ * \param head: pointer to the lwsac list object
+ *
+ * The creator of the lwsac can all this instead of lwsac_free() when it itself
+ * has finished with the lwsac, but other code may be consuming it.
+ *
+ * If there are no other references, the lwsac is destroyed, *head is set to
+ * NULL and that's the end; however if something else has called
+ * lwsac_reference() on the lwsac, it simply returns.  When lws_unreference()
+ * is called and no references are left, it will be destroyed then.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsac_detach(struct lwsac **head);
+
+/**
+ * lwsac_reference() - increase the lwsac reference count
+ *
+ * \param head: pointer to the lwsac list object
+ *
+ * Increment the reference count on the lwsac to defer destruction.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsac_reference(struct lwsac *head);
+
+/**
+ * lwsac_reference() - increase the lwsac reference count
+ *
+ * \param head: pointer to the lwsac list object
+ *
+ * Decrement the reference count on the lwsac... if it reached 0 on a detached
+ * lwsac then the lwsac is immediately destroyed and *head set to NULL.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lwsac_unreference(struct lwsac **head);
+
+
+/* helpers to keep a file cached in memory */
+
+LWS_VISIBLE LWS_EXTERN void
+lwsac_use_cached_file_start(lwsac_cached_file_t cache);
+
+LWS_VISIBLE LWS_EXTERN void
+lwsac_use_cached_file_end(lwsac_cached_file_t *cache);
+
+LWS_VISIBLE LWS_EXTERN void
+lwsac_use_cached_file_detach(lwsac_cached_file_t *cache);
+
+LWS_VISIBLE LWS_EXTERN int
+lwsac_cached_file(const char *filepath, lwsac_cached_file_t *cache,
+		  size_t *len);
+
+/* more advanced helpers */
+
+LWS_VISIBLE LWS_EXTERN size_t
+lwsac_sizeof(void);
+
+LWS_VISIBLE LWS_EXTERN size_t
+lwsac_get_tail_pos(struct lwsac *lac);
+
+LWS_VISIBLE LWS_EXTERN struct lwsac *
+lwsac_get_next(struct lwsac *lac);
+
+LWS_VISIBLE LWS_EXTERN size_t
+lwsac_align(size_t length);
+
+LWS_VISIBLE LWS_EXTERN void
+lwsac_info(struct lwsac *head);
+
+LWS_VISIBLE LWS_EXTERN uint64_t
+lwsac_total_alloc(struct lwsac *head);
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-misc.h b/thirdparty/libwebsockets/include/libwebsockets/lws-misc.h
new file mode 100644
index 0000000000..02fe432d5b
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-misc.h
@@ -0,0 +1,836 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup misc Miscellaneous APIs
+* ##Miscellaneous APIs
+*
+* Various APIs outside of other categories
+*/
+///@{
+
+/**
+ * lws_start_foreach_ll(): linkedlist iterator helper start
+ *
+ * \param type: type of iteration, eg, struct xyz *
+ * \param it: iterator var name to create
+ * \param start: start of list
+ *
+ * This helper creates an iterator and starts a while (it) {
+ * loop.  The iterator runs through the linked list starting at start and
+ * ends when it gets a NULL.
+ * The while loop should be terminated using lws_start_foreach_ll().
+ */
+#define lws_start_foreach_ll(type, it, start)\
+{ \
+	type it = start; \
+	while (it) {
+
+/**
+ * lws_end_foreach_ll(): linkedlist iterator helper end
+ *
+ * \param it: same iterator var name given when starting
+ * \param nxt: member name in the iterator pointing to next list element
+ *
+ * This helper is the partner for lws_start_foreach_ll() that ends the
+ * while loop.
+ */
+
+#define lws_end_foreach_ll(it, nxt) \
+		it = it->nxt; \
+	} \
+}
+
+/**
+ * lws_start_foreach_ll_safe(): linkedlist iterator helper start safe against delete
+ *
+ * \param type: type of iteration, eg, struct xyz *
+ * \param it: iterator var name to create
+ * \param start: start of list
+ * \param nxt: member name in the iterator pointing to next list element
+ *
+ * This helper creates an iterator and starts a while (it) {
+ * loop.  The iterator runs through the linked list starting at start and
+ * ends when it gets a NULL.
+ * The while loop should be terminated using lws_end_foreach_ll_safe().
+ * Performs storage of next increment for situations where iterator can become invalidated
+ * during iteration.
+ */
+#define lws_start_foreach_ll_safe(type, it, start, nxt)\
+{ \
+	type it = start; \
+	while (it) { \
+		type next_##it = it->nxt;
+
+/**
+ * lws_end_foreach_ll_safe(): linkedlist iterator helper end (pre increment storage)
+ *
+ * \param it: same iterator var name given when starting
+ *
+ * This helper is the partner for lws_start_foreach_ll_safe() that ends the
+ * while loop. It uses the precreated next_ variable already stored during
+ * start.
+ */
+
+#define lws_end_foreach_ll_safe(it) \
+		it = next_##it; \
+	} \
+}
+
+/**
+ * lws_start_foreach_llp(): linkedlist pointer iterator helper start
+ *
+ * \param type: type of iteration, eg, struct xyz **
+ * \param it: iterator var name to create
+ * \param start: start of list
+ *
+ * This helper creates an iterator and starts a while (it) {
+ * loop.  The iterator runs through the linked list starting at the
+ * address of start and ends when it gets a NULL.
+ * The while loop should be terminated using lws_start_foreach_llp().
+ *
+ * This helper variant iterates using a pointer to the previous linked-list
+ * element.  That allows you to easily delete list members by rewriting the
+ * previous pointer to the element's next pointer.
+ */
+#define lws_start_foreach_llp(type, it, start)\
+{ \
+	type it = &(start); \
+	while (*(it)) {
+
+#define lws_start_foreach_llp_safe(type, it, start, nxt)\
+{ \
+	type it = &(start); \
+	type next; \
+	while (*(it)) { \
+		next = &((*(it))->nxt); \
+
+/**
+ * lws_end_foreach_llp(): linkedlist pointer iterator helper end
+ *
+ * \param it: same iterator var name given when starting
+ * \param nxt: member name in the iterator pointing to next list element
+ *
+ * This helper is the partner for lws_start_foreach_llp() that ends the
+ * while loop.
+ */
+
+#define lws_end_foreach_llp(it, nxt) \
+		it = &(*(it))->nxt; \
+	} \
+}
+
+#define lws_end_foreach_llp_safe(it) \
+		it = next; \
+	} \
+}
+
+#define lws_ll_fwd_insert(\
+	___new_object,	/* pointer to new object */ \
+	___m_list,	/* member for next list object ptr */ \
+	___list_head	/* list head */ \
+		) {\
+		___new_object->___m_list = ___list_head; \
+		___list_head = ___new_object; \
+	}
+
+#define lws_ll_fwd_remove(\
+	___type,	/* type of listed object */ \
+	___m_list,	/* member for next list object ptr */ \
+	___target,	/* object to remove from list */ \
+	___list_head	/* list head */ \
+	) { \
+                lws_start_foreach_llp(___type **, ___ppss, ___list_head) { \
+                        if (*___ppss == ___target) { \
+                                *___ppss = ___target->___m_list; \
+                                break; \
+                        } \
+                } lws_end_foreach_llp(___ppss, ___m_list); \
+	}
+
+/*
+ * doubly linked-list
+ */
+
+struct lws_dll { /* abstract */
+	struct lws_dll *prev;
+	struct lws_dll *next;
+};
+
+/*
+ * these all point to the composed list objects... you have to use the
+ * lws_container_of() helper to recover the start of the containing struct
+ */
+
+LWS_VISIBLE LWS_EXTERN void
+lws_dll_add_front(struct lws_dll *d, struct lws_dll *phead);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_dll_remove(struct lws_dll *d);
+
+struct lws_dll_lws { /* typed as struct lws * */
+	struct lws_dll_lws *prev;
+	struct lws_dll_lws *next;
+};
+
+#define lws_dll_is_null(___dll) (!(___dll)->prev && !(___dll)->next)
+
+static LWS_INLINE void
+lws_dll_lws_add_front(struct lws_dll_lws *_a, struct lws_dll_lws *_head)
+{
+	lws_dll_add_front((struct lws_dll *)_a, (struct lws_dll *)_head);
+}
+
+static LWS_INLINE void
+lws_dll_lws_remove(struct lws_dll_lws *_a)
+{
+	lws_dll_remove((struct lws_dll *)_a);
+}
+
+/*
+ * these are safe against the current container object getting deleted,
+ * since the hold his next in a temp and go to that next.  ___tmp is
+ * the temp.
+ */
+
+#define lws_start_foreach_dll_safe(___type, ___it, ___tmp, ___start) \
+{ \
+	___type ___it = ___start; \
+	while (___it) { \
+		___type ___tmp = (___it)->next;
+
+#define lws_end_foreach_dll_safe(___it, ___tmp) \
+		___it = ___tmp; \
+	} \
+}
+
+#define lws_start_foreach_dll(___type, ___it, ___start) \
+{ \
+	___type ___it = ___start; \
+	while (___it) {
+
+#define lws_end_foreach_dll(___it) \
+		___it = (___it)->next; \
+	} \
+}
+
+struct lws_buflist;
+
+/**
+ * lws_buflist_append_segment(): add buffer to buflist at head
+ *
+ * \param head: list head
+ * \param buf: buffer to stash
+ * \param len: length of buffer to stash
+ *
+ * Returns -1 on OOM, 1 if this was the first segment on the list, and 0 if
+ * it was a subsequent segment.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_buflist_append_segment(struct lws_buflist **head, const uint8_t *buf,
+			   size_t len);
+/**
+ * lws_buflist_next_segment_len(): number of bytes left in current segment
+ *
+ * \param head: list head
+ * \param buf: if non-NULL, *buf is written with the address of the start of
+ *		the remaining data in the segment
+ *
+ * Returns the number of bytes left in the current segment.  0 indicates
+ * that the buflist is empty (there are no segments on the buflist).
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_buflist_next_segment_len(struct lws_buflist **head, uint8_t **buf);
+/**
+ * lws_buflist_use_segment(): remove len bytes from the current segment
+ *
+ * \param head: list head
+ * \param len: number of bytes to mark as used
+ *
+ * If len is less than the remaining length of the current segment, the position
+ * in the current segment is simply advanced and it returns.
+ *
+ * If len uses up the remaining length of the current segment, then the segment
+ * is deleted and the list head moves to the next segment if any.
+ *
+ * Returns the number of bytes left in the current segment.  0 indicates
+ * that the buflist is empty (there are no segments on the buflist).
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_buflist_use_segment(struct lws_buflist **head, size_t len);
+/**
+ * lws_buflist_destroy_all_segments(): free all segments on the list
+ *
+ * \param head: list head
+ *
+ * This frees everything on the list unconditionally.  *head is always
+ * NULL after this.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_buflist_destroy_all_segments(struct lws_buflist **head);
+
+void
+lws_buflist_describe(struct lws_buflist **head, void *id);
+
+/**
+ * lws_ptr_diff(): helper to report distance between pointers as an int
+ *
+ * \param head: the pointer with the larger address
+ * \param tail: the pointer with the smaller address
+ *
+ * This helper gives you an int representing the number of bytes further
+ * forward the first pointer is compared to the second pointer.
+ */
+#define lws_ptr_diff(head, tail) \
+			((int)((char *)(head) - (char *)(tail)))
+
+/**
+ * lws_snprintf(): snprintf that truncates the returned length too
+ *
+ * \param str: destination buffer
+ * \param size: bytes left in destination buffer
+ * \param format: format string
+ * \param ...: args for format
+ *
+ * This lets you correctly truncate buffers by concatenating lengths, if you
+ * reach the limit the reported length doesn't exceed the limit.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_snprintf(char *str, size_t size, const char *format, ...) LWS_FORMAT(3);
+
+/**
+ * lws_strncpy(): strncpy that guarantees NUL on truncated copy
+ *
+ * \param dest: destination buffer
+ * \param src: source buffer
+ * \param size: bytes left in destination buffer
+ *
+ * This lets you correctly truncate buffers by concatenating lengths, if you
+ * reach the limit the reported length doesn't exceed the limit.
+ */
+LWS_VISIBLE LWS_EXTERN char *
+lws_strncpy(char *dest, const char *src, size_t size);
+
+/**
+ * lws_get_random(): fill a buffer with platform random data
+ *
+ * \param context: the lws context
+ * \param buf: buffer to fill
+ * \param len: how much to fill
+ *
+ * This is intended to be called from the LWS_CALLBACK_RECEIVE callback if
+ * it's interested to see if the frame it's dealing with was sent in binary
+ * mode.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_get_random(struct lws_context *context, void *buf, int len);
+/**
+ * lws_daemonize(): make current process run in the background
+ *
+ * \param _lock_path: the filepath to write the lock file
+ *
+ * Spawn lws as a background process, taking care of various things
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_daemonize(const char *_lock_path);
+/**
+ * lws_get_library_version(): return string describing the version of lws
+ *
+ * On unix, also includes the git describe
+ */
+LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
+lws_get_library_version(void);
+
+/**
+ * lws_wsi_user() - get the user data associated with the connection
+ * \param wsi: lws connection
+ *
+ * Not normally needed since it's passed into the callback
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_wsi_user(struct lws *wsi);
+
+/**
+ * lws_wsi_set_user() - set the user data associated with the client connection
+ * \param wsi: lws connection
+ * \param user: user data
+ *
+ * By default lws allocates this and it's not legal to externally set it
+ * yourself.  However client connections may have it set externally when the
+ * connection is created... if so, this api can be used to modify it at
+ * runtime additionally.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_set_wsi_user(struct lws *wsi, void *user);
+
+/**
+ * lws_parse_uri:	cut up prot:/ads:port/path into pieces
+ *			Notice it does so by dropping '\0' into input string
+ *			and the leading / on the path is consequently lost
+ *
+ * \param p:			incoming uri string.. will get written to
+ * \param prot:		result pointer for protocol part (https://)
+ * \param ads:		result pointer for address part
+ * \param port:		result pointer for port part
+ * \param path:		result pointer for path part
+ *
+ * You may also refer to unix socket addresses, using a '+' at the start of
+ * the address.  In this case, the address should end with ':', which is
+ * treated as the separator between the address and path (the normal separator
+ * '/' is a valid part of the socket path).  Eg,
+ *
+ * http://+/var/run/mysocket:/my/path
+ *
+ * If the first character after the + is '@', it's interpreted by lws client
+ * processing as meaning to use linux abstract namespace sockets, the @ is
+ * replaced with a '\0' before use.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
+	      const char **path);
+/**
+ * lws_cmdline_option():	simple commandline parser
+ *
+ * \param argc:		count of argument strings
+ * \param argv:		argument strings
+ * \param val:		string to find
+ *
+ * Returns NULL if the string \p val is not found in the arguments.
+ *
+ * If it is found, then it returns a pointer to the next character after \p val.
+ * So if \p val is "-d", then for the commandlines "myapp -d15" and
+ * "myapp -d 15", in both cases the return will point to the "15".
+ *
+ * In the case there is no argument, like "myapp -d", the return will
+ * either point to the '\\0' at the end of -d, or to the start of the
+ * next argument, ie, will be non-NULL.
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_cmdline_option(int argc, const char **argv, const char *val);
+
+/**
+ * lws_now_secs(): return seconds since 1970-1-1
+ */
+LWS_VISIBLE LWS_EXTERN unsigned long
+lws_now_secs(void);
+
+/**
+ * lws_now_usecs(): return useconds since 1970-1-1
+ */
+LWS_VISIBLE LWS_EXTERN lws_usec_t
+lws_now_usecs(void);
+
+/**
+ * lws_compare_time_t(): return relationship between two time_t
+ *
+ * \param context: struct lws_context
+ * \param t1: time_t 1
+ * \param t2: time_t 2
+ *
+ * returns <0 if t2 > t1; >0 if t1 > t2; or == 0 if t1 == t2.
+ *
+ * This is aware of clock discontiguities that may have affected either t1 or
+ * t2 and adapts the comparison for them.
+ *
+ * For the discontiguity detection to work, you must avoid any arithmetic on
+ * the times being compared.  For example to have a timeout that triggers
+ * 15s from when it was set, store the time it was set and compare like
+ * `if (lws_compare_time_t(context, now, set_time) > 15)`
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_compare_time_t(struct lws_context *context, time_t t1, time_t t2);
+
+/**
+ * lws_get_context - Allow getting lws_context from a Websocket connection
+ * instance
+ *
+ * With this function, users can access context in the callback function.
+ * Otherwise users may have to declare context as a global variable.
+ *
+ * \param wsi:	Websocket connection instance
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_context * LWS_WARN_UNUSED_RESULT
+lws_get_context(const struct lws *wsi);
+
+/**
+ * lws_get_vhost_listen_port - Find out the port number a vhost is listening on
+ *
+ * In the case you passed 0 for the port number at context creation time, you
+ * can discover the port number that was actually chosen for the vhost using
+ * this api.
+ *
+ * \param vhost:	Vhost to get listen port from
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_get_vhost_listen_port(struct lws_vhost *vhost);
+
+/**
+ * lws_get_count_threads(): how many service threads the context uses
+ *
+ * \param context: the lws context
+ *
+ * By default this is always 1, if you asked for more than lws can handle it
+ * will clip the number of threads.  So you can use this to find out how many
+ * threads are actually in use.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_get_count_threads(struct lws_context *context);
+
+/**
+ * lws_get_parent() - get parent wsi or NULL
+ * \param wsi: lws connection
+ *
+ * Specialized wsi like cgi stdin/out/err are associated to a parent wsi,
+ * this allows you to get their parent.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
+lws_get_parent(const struct lws *wsi);
+
+/**
+ * lws_get_child() - get child wsi or NULL
+ * \param wsi: lws connection
+ *
+ * Allows you to find a related wsi from the parent wsi.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
+lws_get_child(const struct lws *wsi);
+
+/**
+ * lws_get_effective_uid_gid() - find out eventual uid and gid while still root
+ *
+ * \param context: lws context
+ * \param uid: pointer to uid result
+ * \param gid: pointer to gid result
+ *
+ * This helper allows you to find out what the uid and gid for the process will
+ * be set to after the privileges are dropped, beforehand.  So while still root,
+ * eg in LWS_CALLBACK_PROTOCOL_INIT, you can arrange things like cache dir
+ * and subdir creation / permissions down /var/cache dynamically.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_get_effective_uid_gid(struct lws_context *context, int *uid, int *gid);
+
+/**
+ * lws_get_udp() - get wsi's udp struct
+ *
+ * \param wsi: lws connection
+ *
+ * Returns NULL or pointer to the wsi's UDP-specific information
+ */
+LWS_VISIBLE LWS_EXTERN const struct lws_udp * LWS_WARN_UNUSED_RESULT
+lws_get_udp(const struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN void *
+lws_get_opaque_parent_data(const struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_set_opaque_parent_data(struct lws *wsi, void *data);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_get_child_pending_on_writable(const struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_clear_child_pending_on_writable(struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_get_close_length(struct lws *wsi);
+
+LWS_VISIBLE LWS_EXTERN unsigned char *
+lws_get_close_payload(struct lws *wsi);
+
+/**
+ * lws_get_network_wsi() - Returns wsi that has the tcp connection for this wsi
+ *
+ * \param wsi: wsi you have
+ *
+ * Returns wsi that has the tcp connection (which may be the incoming wsi)
+ *
+ * HTTP/1 connections will always return the incoming wsi
+ * HTTP/2 connections may return a different wsi that has the tcp connection
+ */
+LWS_VISIBLE LWS_EXTERN
+struct lws *lws_get_network_wsi(struct lws *wsi);
+
+/**
+ * lws_set_allocator() - custom allocator support
+ *
+ * \param realloc
+ *
+ * Allows you to replace the allocator (and deallocator) used by lws
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_set_allocator(void *(*realloc)(void *ptr, size_t size, const char *reason));
+
+enum {
+	/*
+	 * Flags for enable and disable rxflow with reason bitmap and with
+	 * backwards-compatible single bool
+	 */
+	LWS_RXFLOW_REASON_USER_BOOL		= (1 << 0),
+	LWS_RXFLOW_REASON_HTTP_RXBUFFER		= (1 << 6),
+	LWS_RXFLOW_REASON_H2_PPS_PENDING	= (1 << 7),
+
+	LWS_RXFLOW_REASON_APPLIES		= (1 << 14),
+	LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT	= (1 << 13),
+	LWS_RXFLOW_REASON_APPLIES_ENABLE	= LWS_RXFLOW_REASON_APPLIES |
+						  LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT,
+	LWS_RXFLOW_REASON_APPLIES_DISABLE	= LWS_RXFLOW_REASON_APPLIES,
+	LWS_RXFLOW_REASON_FLAG_PROCESS_NOW	= (1 << 12),
+
+};
+
+/**
+ * lws_rx_flow_control() - Enable and disable socket servicing for
+ *				received packets.
+ *
+ * If the output side of a server process becomes choked, this allows flow
+ * control for the input side.
+ *
+ * \param wsi:	Websocket connection instance to get callback for
+ * \param enable:	0 = disable read servicing for this connection, 1 = enable
+ *
+ * If you need more than one additive reason for rxflow control, you can give
+ * iLWS_RXFLOW_REASON_APPLIES_ENABLE or _DISABLE together with one or more of
+ * b5..b0 set to idicate which bits to enable or disable.  If any bits are
+ * enabled, rx on the connection is suppressed.
+ *
+ * LWS_RXFLOW_REASON_FLAG_PROCESS_NOW  flag may also be given to force any change
+ * in rxflowbstatus to benapplied immediately, this should be used when you are
+ * changing a wsi flow control state from outside a callback on that wsi.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_rx_flow_control(struct lws *wsi, int enable);
+
+/**
+ * lws_rx_flow_allow_all_protocol() - Allow all connections with this protocol to receive
+ *
+ * When the user server code realizes it can accept more input, it can
+ * call this to have the RX flow restriction removed from all connections using
+ * the given protocol.
+ * \param context:	lws_context
+ * \param protocol:	all connections using this protocol will be allowed to receive
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_rx_flow_allow_all_protocol(const struct lws_context *context,
+			       const struct lws_protocols *protocol);
+
+/**
+ * lws_remaining_packet_payload() - Bytes to come before "overall"
+ *					      rx fragment is complete
+ * \param wsi:		Websocket instance (available from user callback)
+ *
+ * This tracks how many bytes are left in the current ws fragment, according
+ * to the ws length given in the fragment header.
+ *
+ * If the message was in a single fragment, and there is no compression, this
+ * is the same as "how much data is left to read for this message".
+ *
+ * However, if the message is being sent in multiple fragments, this will
+ * reflect the unread amount of the current **fragment**, not the message.  With
+ * ws, it is legal to not know the length of the message before it completes.
+ *
+ * Additionally if the message is sent via the negotiated permessage-deflate
+ * extension, this number only tells the amount of **compressed** data left to
+ * be read, since that is the only information available at the ws layer.
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_remaining_packet_payload(struct lws *wsi);
+
+
+
+/**
+ * lws_is_ssl() - Find out if connection is using SSL
+ * \param wsi:	websocket connection to check
+ *
+ *	Returns 0 if the connection is not using SSL, 1 if using SSL and
+ *	using verified cert, and 2 if using SSL but the cert was not
+ *	checked (appears for client wsi told to skip check on connection)
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_is_ssl(struct lws *wsi);
+/**
+ * lws_is_cgi() - find out if this wsi is running a cgi process
+ * \param wsi: lws connection
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_is_cgi(struct lws *wsi);
+
+/**
+ * lws_open() - platform-specific wrapper for open that prepares the fd
+ *
+ * \param file: the filepath to open
+ * \param oflag: option flags
+ * \param mode: optional mode of any created file
+ *
+ * This is a wrapper around platform open() that sets options on the fd
+ * according to lws policy.  Currently that is FD_CLOEXEC to stop the opened
+ * fd being available to any child process forked by user code.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_open(const char *__file, int __oflag, ...);
+
+struct lws_wifi_scan { /* generic wlan scan item */
+	struct lws_wifi_scan *next;
+	char ssid[32];
+	int32_t rssi; /* divide by .count to get db */
+	uint8_t bssid[6];
+	uint8_t count;
+	uint8_t channel;
+	uint8_t authmode;
+};
+
+#if defined(LWS_WITH_TLS) && !defined(LWS_WITH_MBEDTLS)
+/**
+ * lws_get_ssl() - Return wsi's SSL context structure
+ * \param wsi:	websocket connection
+ *
+ * Returns pointer to the SSL library's context structure
+ */
+LWS_VISIBLE LWS_EXTERN SSL*
+lws_get_ssl(struct lws *wsi);
+#endif
+
+/** \defgroup smtp SMTP related functions
+ * ##SMTP related functions
+ * \ingroup lwsapi
+ *
+ * These apis let you communicate with a local SMTP server to send email from
+ * lws.  It handles all the SMTP sequencing and protocol actions.
+ *
+ * Your system should have postfix, sendmail or another MTA listening on port
+ * 25 and able to send email using the "mail" commandline app.  Usually distro
+ * MTAs are configured for this by default.
+ *
+ * It runs via its own libuv events if initialized (which requires giving it
+ * a libuv loop to attach to).
+ *
+ * It operates using three callbacks, on_next() queries if there is a new email
+ * to send, on_get_body() asks for the body of the email, and on_sent() is
+ * called after the email is successfully sent.
+ *
+ * To use it
+ *
+ *  - create an lws_email struct
+ *
+ *  - initialize data, loop, the email_* strings, max_content_size and
+ *    the callbacks
+ *
+ *  - call lws_email_init()
+ *
+ *  When you have at least one email to send, call lws_email_check() to
+ *  schedule starting to send it.
+ */
+//@{
+#ifdef LWS_WITH_SMTP
+
+/** enum lwsgs_smtp_states - where we are in SMTP protocol sequence */
+enum lwsgs_smtp_states {
+	LGSSMTP_IDLE, /**< awaiting new email */
+	LGSSMTP_CONNECTING, /**< opening tcp connection to MTA */
+	LGSSMTP_CONNECTED, /**< tcp connection to MTA is connected */
+	LGSSMTP_SENT_HELO, /**< sent the HELO */
+	LGSSMTP_SENT_FROM, /**< sent FROM */
+	LGSSMTP_SENT_TO, /**< sent TO */
+	LGSSMTP_SENT_DATA, /**< sent DATA request */
+	LGSSMTP_SENT_BODY, /**< sent the email body */
+	LGSSMTP_SENT_QUIT, /**< sent the session quit */
+};
+
+/** struct lws_email - abstract context for performing SMTP operations */
+struct lws_email {
+	void *data;
+	/**< opaque pointer set by user code and available to the callbacks */
+	uv_loop_t *loop;
+	/**< the libuv loop we will work on */
+
+	char email_smtp_ip[32]; /**< Fill before init, eg, "127.0.0.1" */
+	char email_helo[32];	/**< Fill before init, eg, "myserver.com" */
+	char email_from[100];	/**< Fill before init or on_next */
+	char email_to[100];	/**< Fill before init or on_next */
+
+	unsigned int max_content_size;
+	/**< largest possible email body size */
+
+	/* Fill all the callbacks before init */
+
+	int (*on_next)(struct lws_email *email);
+	/**< (Fill in before calling lws_email_init)
+	 * called when idle, 0 = another email to send, nonzero is idle.
+	 * If you return 0, all of the email_* char arrays must be set
+	 * to something useful. */
+	int (*on_sent)(struct lws_email *email);
+	/**< (Fill in before calling lws_email_init)
+	 * called when transfer of the email to the SMTP server was
+	 * successful, your callback would remove the current email
+	 * from its queue */
+	int (*on_get_body)(struct lws_email *email, char *buf, int len);
+	/**< (Fill in before calling lws_email_init)
+	 * called when the body part of the queued email is about to be
+	 * sent to the SMTP server. */
+
+
+	/* private things */
+	uv_timer_t timeout_email; /**< private */
+	enum lwsgs_smtp_states estate; /**< private */
+	uv_connect_t email_connect_req; /**< private */
+	uv_tcp_t email_client; /**< private */
+	time_t email_connect_started; /**< private */
+	char email_buf[256]; /**< private */
+	char *content; /**< private */
+};
+
+/**
+ * lws_email_init() - Initialize a struct lws_email
+ *
+ * \param email: struct lws_email to init
+ * \param loop: libuv loop to use
+ * \param max_content: max email content size
+ *
+ * Prepares a struct lws_email for use ending SMTP
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_email_init(struct lws_email *email, uv_loop_t *loop, int max_content);
+
+/**
+ * lws_email_check() - Request check for new email
+ *
+ * \param email: struct lws_email context to check
+ *
+ * Schedules a check for new emails in 1s... call this when you have queued an
+ * email for send.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_email_check(struct lws_email *email);
+/**
+ * lws_email_destroy() - stop using the struct lws_email
+ *
+ * \param email: the struct lws_email context
+ *
+ * Stop sending email using email and free allocations
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_email_destroy(struct lws_email *email);
+
+#endif
+//@}
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-network-helper.h b/thirdparty/libwebsockets/include/libwebsockets/lws-network-helper.h
new file mode 100644
index 0000000000..94ee8d9a5d
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-network-helper.h
@@ -0,0 +1,105 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup net Network related helper APIs
+ * ##Network related helper APIs
+ *
+ * These wrap miscellaneous useful network-related functions
+ */
+///@{
+
+/**
+ * lws_canonical_hostname() - returns this host's hostname
+ *
+ * This is typically used by client code to fill in the host parameter
+ * when making a client connection.  You can only call it after the context
+ * has been created.
+ *
+ * \param context:	Websocket context
+ */
+LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
+lws_canonical_hostname(struct lws_context *context);
+
+/**
+ * lws_get_peer_addresses() - Get client address information
+ * \param wsi:	Local struct lws associated with
+ * \param fd:		Connection socket descriptor
+ * \param name:	Buffer to take client address name
+ * \param name_len:	Length of client address name buffer
+ * \param rip:	Buffer to take client address IP dotted quad
+ * \param rip_len:	Length of client address IP buffer
+ *
+ *	This function fills in name and rip with the name and IP of
+ *	the client connected with socket descriptor fd.  Names may be
+ *	truncated if there is not enough room.  If either cannot be
+ *	determined, they will be returned as valid zero-length strings.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_get_peer_addresses(struct lws *wsi, lws_sockfd_type fd, char *name,
+		       int name_len, char *rip, int rip_len);
+
+/**
+ * lws_get_peer_simple() - Get client address information without RDNS
+ *
+ * \param wsi:	Local struct lws associated with
+ * \param name:	Buffer to take client address name
+ * \param namelen:	Length of client address name buffer
+ *
+ * This provides a 123.123.123.123 type IP address in name from the
+ * peer that has connected to wsi
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_get_peer_simple(struct lws *wsi, char *name, int namelen);
+
+#define LWS_ITOSA_USABLE	0
+#define LWS_ITOSA_NOT_EXIST	-1
+#define LWS_ITOSA_NOT_USABLE	-2
+#define LWS_ITOSA_BUSY		-3 /* only returned by lws_socket_bind() on
+					EADDRINUSE */
+
+#if !defined(LWS_WITH_ESP32)
+/**
+ * lws_interface_to_sa() - Convert interface name or IP to sockaddr struct
+ *
+ * \param ipv6:		Allow IPV6 addresses
+ * \param ifname:	Interface name or IP
+ * \param addr:		struct sockaddr_in * to be written
+ * \param addrlen:	Length of addr
+ *
+ * This converts a textual network interface name to a sockaddr usable by
+ * other network functions.
+ *
+ * If the network interface doesn't exist, it will return LWS_ITOSA_NOT_EXIST.
+ *
+ * If the network interface is not usable, eg ethernet cable is removed, it
+ * may logically exist but not have any IP address.  As such it will return
+ * LWS_ITOSA_NOT_USABLE.
+ *
+ * If the network interface exists and is usable, it will return
+ * LWS_ITOSA_USABLE.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr,
+		    size_t addrlen);
+#endif
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-plugin-generic-sessions.h b/thirdparty/libwebsockets/include/libwebsockets/lws-plugin-generic-sessions.h
new file mode 100644
index 0000000000..7f46f854ec
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-plugin-generic-sessions.h
@@ -0,0 +1,74 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup generic-sessions plugin: generic-sessions
+ * \ingroup Protocols-and-Plugins
+ *
+ * ##Plugin Generic-sessions related
+ *
+ * generic-sessions plugin provides a reusable, generic session and login /
+ * register / forgot password framework including email verification.
+ */
+///@{
+
+#define LWSGS_EMAIL_CONTENT_SIZE 16384
+/**< Maximum size of email we might send */
+
+/* SHA-1 binary and hexified versions */
+/** typedef struct lwsgw_hash_bin */
+typedef struct { unsigned char bin[20]; /**< binary representation of hash */} lwsgw_hash_bin;
+/** typedef struct lwsgw_hash */
+typedef struct { char id[41]; /**< ascii hex representation of hash */ } lwsgw_hash;
+
+/** enum lwsgs_auth_bits */
+enum lwsgs_auth_bits {
+	LWSGS_AUTH_LOGGED_IN	= 1, /**< user is logged in as somebody */
+	LWSGS_AUTH_ADMIN	= 2, /**< logged in as the admin user */
+	LWSGS_AUTH_VERIFIED	= 4, /**< user has verified his email */
+	LWSGS_AUTH_FORGOT_FLOW	= 8, /**< just completed "forgot password" */
+};
+
+/** struct lws_session_info - information about user session status */
+struct lws_session_info {
+	char username[32]; /**< username logged in as, or empty string */
+	char email[100]; /**< email address associated with login, or empty string */
+	char ip[72]; /**< ip address session was started from */
+	unsigned int mask; /**< access rights mask associated with session
+	 	 	    * see enum lwsgs_auth_bits */
+	char session[42]; /**< session id string, usable as opaque uid when not logged in */
+};
+
+/** enum lws_gs_event */
+enum lws_gs_event {
+	LWSGSE_CREATED, /**< a new user was created */
+	LWSGSE_DELETED  /**< an existing user was deleted */
+};
+
+/** struct lws_gs_event_args */
+struct lws_gs_event_args {
+	enum lws_gs_event event; /**< which event happened */
+	const char *username; /**< which username the event happened to */
+	const char *email; /**< the email address of that user */
+};
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-protocols-plugins.h b/thirdparty/libwebsockets/include/libwebsockets/lws-protocols-plugins.h
new file mode 100644
index 0000000000..b6cc44e27f
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-protocols-plugins.h
@@ -0,0 +1,229 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup Protocols-and-Plugins Protocols and Plugins
+ * \ingroup lwsapi
+ *
+ * ##Protocol and protocol plugin -related apis
+ *
+ * Protocols bind ws protocol names to a custom callback specific to that
+ * protocol implementaion.
+ *
+ * A list of protocols can be passed in at context creation time, but it is
+ * also legal to leave that NULL and add the protocols and their callback code
+ * using plugins.
+ *
+ * Plugins are much preferable compared to cut and pasting code into an
+ * application each time, since they can be used standalone.
+ */
+///@{
+/** struct lws_protocols -	List of protocols and handlers client or server
+ *					supports. */
+
+struct lws_protocols {
+	const char *name;
+	/**< Protocol name that must match the one given in the client
+	 * Javascript new WebSocket(url, 'protocol') name. */
+	lws_callback_function *callback;
+	/**< The service callback used for this protocol.  It allows the
+	 * service action for an entire protocol to be encapsulated in
+	 * the protocol-specific callback */
+	size_t per_session_data_size;
+	/**< Each new connection using this protocol gets
+	 * this much memory allocated on connection establishment and
+	 * freed on connection takedown.  A pointer to this per-connection
+	 * allocation is passed into the callback in the 'user' parameter */
+	size_t rx_buffer_size;
+	/**< lws allocates this much space for rx data and informs callback
+	 * when something came.  Due to rx flow control, the callback may not
+	 * be able to consume it all without having to return to the event
+	 * loop.  That is supported in lws.
+	 *
+	 * If .tx_packet_size is 0, this also controls how much may be sent at
+	 * once for backwards compatibility.
+	 */
+	unsigned int id;
+	/**< ignored by lws, but useful to contain user information bound
+	 * to the selected protocol.  For example if this protocol was
+	 * called "myprotocol-v2", you might set id to 2, and the user
+	 * code that acts differently according to the version can do so by
+	 * switch (wsi->protocol->id), user code might use some bits as
+	 * capability flags based on selected protocol version, etc. */
+	void *user; /**< ignored by lws, but user code can pass a pointer
+			here it can later access from the protocol callback */
+	size_t tx_packet_size;
+	/**< 0 indicates restrict send() size to .rx_buffer_size for backwards-
+	 * compatibility.
+	 * If greater than zero, a single send() is restricted to this amount
+	 * and any remainder is buffered by lws and sent afterwards also in
+	 * these size chunks.  Since that is expensive, it's preferable
+	 * to restrict one fragment you are trying to send to match this
+	 * size.
+	 */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+};
+
+/**
+ * lws_vhost_name_to_protocol() - get vhost's protocol object from its name
+ *
+ * \param vh: vhost to search
+ * \param name: protocol name
+ *
+ * Returns NULL or a pointer to the vhost's protocol of the requested name
+ */
+LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
+lws_vhost_name_to_protocol(struct lws_vhost *vh, const char *name);
+
+/**
+ * lws_get_protocol() - Returns a protocol pointer from a websocket
+ *				  connection.
+ * \param wsi:	pointer to struct websocket you want to know the protocol of
+ *
+ *
+ *	Some apis can act on all live connections of a given protocol,
+ *	this is how you can get a pointer to the active protocol if needed.
+ */
+LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
+lws_get_protocol(struct lws *wsi);
+
+/** lws_protocol_get() -  deprecated: use lws_get_protocol */
+LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
+lws_protocol_get(struct lws *wsi) LWS_WARN_DEPRECATED;
+
+/**
+ * lws_protocol_vh_priv_zalloc() - Allocate and zero down a protocol's per-vhost
+ *				   storage
+ * \param vhost:	vhost the instance is related to
+ * \param prot:		protocol the instance is related to
+ * \param size:		bytes to allocate
+ *
+ * Protocols often find it useful to allocate a per-vhost struct, this is a
+ * helper to be called in the per-vhost init LWS_CALLBACK_PROTOCOL_INIT
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_protocol_vh_priv_zalloc(struct lws_vhost *vhost,
+			    const struct lws_protocols *prot, int size);
+
+/**
+ * lws_protocol_vh_priv_get() - retreive a protocol's per-vhost storage
+ *
+ * \param vhost:	vhost the instance is related to
+ * \param prot:		protocol the instance is related to
+ *
+ * Recover a pointer to the allocated per-vhost storage for the protocol created
+ * by lws_protocol_vh_priv_zalloc() earlier
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_protocol_vh_priv_get(struct lws_vhost *vhost,
+			 const struct lws_protocols *prot);
+
+/**
+ * lws_adjust_protocol_psds - change a vhost protocol's per session data size
+ *
+ * \param wsi: a connection with the protocol to change
+ * \param new_size: the new size of the per session data size for the protocol
+ *
+ * Returns user_space for the wsi, after allocating
+ *
+ * This should not be used except to initalize a vhost protocol's per session
+ * data size one time, before any connections are accepted.
+ *
+ * Sometimes the protocol wraps another protocol and needs to discover and set
+ * its per session data size at runtime.
+ */
+LWS_VISIBLE LWS_EXTERN void *
+lws_adjust_protocol_psds(struct lws *wsi, size_t new_size);
+
+/**
+ * lws_finalize_startup() - drop initial process privileges
+ *
+ * \param context:	lws context
+ *
+ * This is called after the end of the vhost protocol initializations, but
+ * you may choose to call it earlier
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_finalize_startup(struct lws_context *context);
+
+/**
+ * lws_pvo_search() - helper to find a named pvo in a linked-list
+ *
+ * \param pvo:	the first pvo in the linked-list
+ * \param name: the name of the pvo to return if found
+ *
+ * Returns NULL, or a pointer to the name pvo in the linked-list
+ */
+LWS_VISIBLE LWS_EXTERN const struct lws_protocol_vhost_options *
+lws_pvo_search(const struct lws_protocol_vhost_options *pvo, const char *name);
+
+/**
+ * lws_pvo_get_str() - retreive a string pvo value
+ *
+ * \param pvo:	the first pvo in the linked-list
+ * \param name: the name of the pvo to return if found
+ * \param result: pointer to a const char * to get the result if any
+ *
+ * Returns 0 if found and *result set, or nonzero if not found
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_pvo_get_str(void *in, const char *name, const char **result);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_protocol_init(struct lws_context *context);
+
+#ifdef LWS_WITH_PLUGINS
+
+/* PLUGINS implies LIBUV */
+
+#define LWS_PLUGIN_API_MAGIC 180
+
+/** struct lws_plugin_capability - how a plugin introduces itself to lws */
+struct lws_plugin_capability {
+	unsigned int api_magic;	/**< caller fills this in, plugin fills rest */
+	const struct lws_protocols *protocols; /**< array of supported protocols provided by plugin */
+	int count_protocols; /**< how many protocols */
+	const struct lws_extension *extensions; /**< array of extensions provided by plugin */
+	int count_extensions; /**< how many extensions */
+};
+
+typedef int (*lws_plugin_init_func)(struct lws_context *,
+				    struct lws_plugin_capability *);
+typedef int (*lws_plugin_destroy_func)(struct lws_context *);
+
+/** struct lws_plugin */
+struct lws_plugin {
+	struct lws_plugin *list; /**< linked list */
+#if (UV_VERSION_MAJOR > 0)
+	uv_lib_t lib; /**< shared library pointer */
+#else
+	void *l; /**< so we can compile on ancient libuv */
+#endif
+	char name[64]; /**< name of the plugin */
+	struct lws_plugin_capability caps; /**< plugin capabilities */
+};
+
+#endif
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-purify.h b/thirdparty/libwebsockets/include/libwebsockets/lws-purify.h
new file mode 100644
index 0000000000..0ae35ce33c
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-purify.h
@@ -0,0 +1,81 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+
+/*! \defgroup pur Sanitize / purify SQL and JSON helpers
+ *
+ * ##Sanitize / purify SQL and JSON helpers
+ *
+ * APIs for escaping untrusted JSON and SQL safely before use
+ */
+//@{
+
+/**
+ * lws_sql_purify() - like strncpy but with escaping for sql quotes
+ *
+ * \param escaped: output buffer
+ * \param string: input buffer ('/0' terminated)
+ * \param len: output buffer max length
+ *
+ * Because escaping expands the output string, it's not
+ * possible to do it in-place, ie, with escaped == string
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_sql_purify(char *escaped, const char *string, int len);
+
+/**
+ * lws_json_purify() - like strncpy but with escaping for json chars
+ *
+ * \param escaped: output buffer
+ * \param string: input buffer ('/0' terminated)
+ * \param len: output buffer max length
+ *
+ * Because escaping expands the output string, it's not
+ * possible to do it in-place, ie, with escaped == string
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_json_purify(char *escaped, const char *string, int len);
+
+/**
+ * lws_filename_purify_inplace() - replace scary filename chars with underscore
+ *
+ * \param filename: filename to be purified
+ *
+ * Replace scary characters in the filename (it should not be a path)
+ * with underscore, so it's safe to use.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_filename_purify_inplace(char *filename);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
+			int len);
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_write_file(const char *filename, void *buf, int len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_read_file(const char *filename, void *buf, int len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_plat_recommended_rsa_bits(void);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-ring.h b/thirdparty/libwebsockets/include/libwebsockets/lws-ring.h
new file mode 100644
index 0000000000..9a5ec2e10b
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-ring.h
@@ -0,0 +1,305 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup lws_ring LWS Ringbuffer APIs
+ * ##lws_ring: generic ringbuffer struct
+ *
+ * Provides an abstract ringbuffer api supporting one head and one or an
+ * unlimited number of tails.
+ *
+ * All of the members are opaque and manipulated by lws_ring_...() apis.
+ *
+ * The lws_ring and its buffer is allocated at runtime on the heap, using
+ *
+ *  - lws_ring_create()
+ *  - lws_ring_destroy()
+ *
+ * It may contain any type, the size of the "element" stored in the ring
+ * buffer and the number of elements is given at creation time.
+ *
+ * When you create the ringbuffer, you can optionally provide an element
+ * destroy callback that frees any allocations inside the element.  This is then
+ * automatically called for elements with no tail behind them, ie, elements
+ * which don't have any pending consumer are auto-freed.
+ *
+ * Whole elements may be inserted into the ringbuffer and removed from it, using
+ *
+ *  - lws_ring_insert()
+ *  - lws_ring_consume()
+ *
+ * You can find out how many whole elements are free or waiting using
+ *
+ *  - lws_ring_get_count_free_elements()
+ *  - lws_ring_get_count_waiting_elements()
+ *
+ * In addition there are special purpose optional byte-centric apis
+ *
+ *  - lws_ring_next_linear_insert_range()
+ *  - lws_ring_bump_head()
+ *
+ *  which let you, eg, read() directly into the ringbuffer without needing
+ *  an intermediate bounce buffer.
+ *
+ *  The accessors understand that the ring wraps, and optimizes insertion and
+ *  consumption into one or two memcpy()s depending on if the head or tail
+ *  wraps.
+ *
+ *  lws_ring only supports a single head, but optionally multiple tails with
+ *  an API to inform it when the "oldest" tail has moved on.  You can give
+ *  NULL where-ever an api asks for a tail pointer, and it will use an internal
+ *  single tail pointer for convenience.
+ *
+ *  The "oldest tail", which is the only tail if you give it NULL instead of
+ *  some other tail, is used to track which elements in the ringbuffer are
+ *  still unread by anyone.
+ *
+ *   - lws_ring_update_oldest_tail()
+ */
+///@{
+struct lws_ring;
+
+/**
+ * lws_ring_create(): create a new ringbuffer
+ *
+ * \param element_len: the size in bytes of one element in the ringbuffer
+ * \param count: the number of elements the ringbuffer can contain
+ * \param destroy_element: NULL, or callback to be called for each element
+ *			   that is removed from the ringbuffer due to the
+ *			   oldest tail moving beyond it
+ *
+ * Creates the ringbuffer and allocates the storage.  Returns the new
+ * lws_ring *, or NULL if the allocation failed.
+ *
+ * If non-NULL, destroy_element will get called back for every element that is
+ * retired from the ringbuffer after the oldest tail has gone past it, and for
+ * any element still left in the ringbuffer when it is destroyed.  It replaces
+ * all other element destruction code in your user code.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_ring *
+lws_ring_create(size_t element_len, size_t count,
+		void (*destroy_element)(void *element));
+
+/**
+ * lws_ring_destroy():  destroy a previously created ringbuffer
+ *
+ * \param ring: the struct lws_ring to destroy
+ *
+ * Destroys the ringbuffer allocation and the struct lws_ring itself.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_ring_destroy(struct lws_ring *ring);
+
+/**
+ * lws_ring_get_count_free_elements():  return how many elements can fit
+ *				      in the free space
+ *
+ * \param ring: the struct lws_ring to report on
+ *
+ * Returns how much room is left in the ringbuffer for whole element insertion.
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_ring_get_count_free_elements(struct lws_ring *ring);
+
+/**
+ * lws_ring_get_count_waiting_elements():  return how many elements can be consumed
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param tail: a pointer to the tail struct to use, or NULL for single tail
+ *
+ * Returns how many elements are waiting to be consumed from the perspective
+ * of the tail pointer given.
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_ring_get_count_waiting_elements(struct lws_ring *ring, uint32_t *tail);
+
+/**
+ * lws_ring_insert():  attempt to insert up to max_count elements from src
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param src: the array of elements to be inserted
+ * \param max_count: the number of available elements at src
+ *
+ * Attempts to insert as many of the elements at src as possible, up to the
+ * maximum max_count.  Returns the number of elements actually inserted.
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_ring_insert(struct lws_ring *ring, const void *src, size_t max_count);
+
+/**
+ * lws_ring_consume():  attempt to copy out and remove up to max_count elements
+ *		        to src
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param tail: a pointer to the tail struct to use, or NULL for single tail
+ * \param dest: the array of elements to be inserted. or NULL for no copy
+ * \param max_count: the number of available elements at src
+ *
+ * Attempts to copy out as many waiting elements as possible into dest, from
+ * the perspective of the given tail, up to max_count.  If dest is NULL, the
+ * copying out is not done but the elements are logically consumed as usual.
+ * NULL dest is useful in combination with lws_ring_get_element(), where you
+ * can use the element direct from the ringbuffer and then call this with NULL
+ * dest to logically consume it.
+ *
+ * Increments the tail position according to how many elements could be
+ * consumed.
+ *
+ * Returns the number of elements consumed.
+ */
+LWS_VISIBLE LWS_EXTERN size_t
+lws_ring_consume(struct lws_ring *ring, uint32_t *tail, void *dest,
+		 size_t max_count);
+
+/**
+ * lws_ring_get_element():  get a pointer to the next waiting element for tail
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param tail: a pointer to the tail struct to use, or NULL for single tail
+ *
+ * Points to the next element that tail would consume, directly in the
+ * ringbuffer.  This lets you write() or otherwise use the element without
+ * having to copy it out somewhere first.
+ *
+ * After calling this, you must call lws_ring_consume(ring, &tail, NULL, 1)
+ * which will logically consume the element you used up and increment your
+ * tail (tail may also be NULL there if you use a single tail).
+ *
+ * Returns NULL if no waiting element, or a const void * pointing to it.
+ */
+LWS_VISIBLE LWS_EXTERN const void *
+lws_ring_get_element(struct lws_ring *ring, uint32_t *tail);
+
+/**
+ * lws_ring_update_oldest_tail():  free up elements older than tail for reuse
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param tail: a pointer to the tail struct to use, or NULL for single tail
+ *
+ * If you are using multiple tails, you must use this API to inform the
+ * lws_ring when none of the tails still need elements in the fifo any more,
+ * by updating it when the "oldest" tail has moved on.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_ring_update_oldest_tail(struct lws_ring *ring, uint32_t tail);
+
+/**
+ * lws_ring_get_oldest_tail():  get current oldest available data index
+ *
+ * \param ring: the struct lws_ring to report on
+ *
+ * If you are initializing a new ringbuffer consumer, you can set its tail to
+ * this to start it from the oldest ringbuffer entry still available.
+ */
+LWS_VISIBLE LWS_EXTERN uint32_t
+lws_ring_get_oldest_tail(struct lws_ring *ring);
+
+/**
+ * lws_ring_next_linear_insert_range():  used to write directly into the ring
+ *
+ * \param ring: the struct lws_ring to report on
+ * \param start: pointer to a void * set to the start of the next ringbuffer area
+ * \param bytes: pointer to a size_t set to the max length you may use from *start
+ *
+ * This provides a low-level, bytewise access directly into the ringbuffer
+ * allowing direct insertion of data without having to use a bounce buffer.
+ *
+ * The api reports the position and length of the next linear range that can
+ * be written in the ringbuffer, ie, up to the point it would wrap, and sets
+ * *start and *bytes accordingly.  You can then, eg, directly read() into
+ * *start for up to *bytes, and use lws_ring_bump_head() to update the lws_ring
+ * with what you have done.
+ *
+ * Returns nonzero if no insertion is currently possible.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_ring_next_linear_insert_range(struct lws_ring *ring, void **start,
+				  size_t *bytes);
+
+/**
+ * lws_ring_bump_head():  used to write directly into the ring
+ *
+ * \param ring: the struct lws_ring to operate on
+ * \param bytes: the number of bytes you inserted at the current head
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_ring_bump_head(struct lws_ring *ring, size_t bytes);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_ring_dump(struct lws_ring *ring, uint32_t *tail);
+
+/*
+ * This is a helper that combines the common pattern of needing to consume
+ * some ringbuffer elements, move the consumer tail on, and check if that
+ * has moved any ringbuffer elements out of scope, because it was the last
+ * consumer that had not already consumed them.
+ *
+ * Elements that go out of scope because the oldest tail is now after them
+ * get garbage-collected by calling the destroy_element callback on them
+ * defined when the ringbuffer was created.
+ */
+
+#define lws_ring_consume_and_update_oldest_tail(\
+		___ring,    /* the lws_ring object */ \
+		___type,    /* type of objects with tails */ \
+		___ptail,   /* ptr to tail of obj with tail doing consuming */ \
+		___count,   /* count of payload objects being consumed */ \
+		___list_head,	/* head of list of objects with tails */ \
+		___mtail,   /* member name of tail in ___type */ \
+		___mlist  /* member name of next list member ptr in ___type */ \
+	) { \
+		int ___n, ___m; \
+	\
+	___n = lws_ring_get_oldest_tail(___ring) == *(___ptail); \
+	lws_ring_consume(___ring, ___ptail, NULL, ___count); \
+	if (___n) { \
+		uint32_t ___oldest; \
+		___n = 0; \
+		___oldest = *(___ptail); \
+		lws_start_foreach_llp(___type **, ___ppss, ___list_head) { \
+			___m = lws_ring_get_count_waiting_elements( \
+					___ring, &(*___ppss)->tail); \
+			if (___m >= ___n) { \
+				___n = ___m; \
+				___oldest = (*___ppss)->tail; \
+			} \
+		} lws_end_foreach_llp(___ppss, ___mlist); \
+	\
+		lws_ring_update_oldest_tail(___ring, ___oldest); \
+	} \
+}
+
+/*
+ * This does the same as the lws_ring_consume_and_update_oldest_tail()
+ * helper, but for the simpler case there is only one consumer, so one
+ * tail, and that tail is always the oldest tail.
+ */
+
+#define lws_ring_consume_single_tail(\
+		___ring,  /* the lws_ring object */ \
+		___ptail, /* ptr to tail of obj with tail doing consuming */ \
+		___count  /* count of payload objects being consumed */ \
+	) { \
+	lws_ring_consume(___ring, ___ptail, NULL, ___count); \
+	lws_ring_update_oldest_tail(___ring, *(___ptail)); \
+}
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-service.h b/thirdparty/libwebsockets/include/libwebsockets/lws-service.h
new file mode 100644
index 0000000000..f4109f0431
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-service.h
@@ -0,0 +1,215 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup service Built-in service loop entry
+ *
+ * ##Built-in service loop entry
+ *
+ * If you're not using libev / libuv, these apis are needed to enter the poll()
+ * wait in lws and service any connections with pending events.
+ */
+///@{
+
+/**
+ * lws_service() - Service any pending websocket activity
+ * \param context:	Websocket context
+ * \param timeout_ms:	Timeout for poll; 0 means return immediately if nothing needed
+ *		service otherwise block and service immediately, returning
+ *		after the timeout if nothing needed service.
+ *
+ *	This function deals with any pending websocket traffic, for three
+ *	kinds of event.  It handles these events on both server and client
+ *	types of connection the same.
+ *
+ *	1) Accept new connections to our context's server
+ *
+ *	2) Call the receive callback for incoming frame data received by
+ *	    server or client connections.
+ *
+ *	You need to call this service function periodically to all the above
+ *	functions to happen; if your application is single-threaded you can
+ *	just call it in your main event loop.
+ *
+ *	Alternatively you can fork a new process that asynchronously handles
+ *	calling this service in a loop.  In that case you are happy if this
+ *	call blocks your thread until it needs to take care of something and
+ *	would call it with a large nonzero timeout.  Your loop then takes no
+ *	CPU while there is nothing happening.
+ *
+ *	If you are calling it in a single-threaded app, you don't want it to
+ *	wait around blocking other things in your loop from happening, so you
+ *	would call it with a timeout_ms of 0, so it returns immediately if
+ *	nothing is pending, or as soon as it services whatever was pending.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_service(struct lws_context *context, int timeout_ms);
+
+/**
+ * lws_service_tsi() - Service any pending websocket activity
+ *
+ * \param context:	Websocket context
+ * \param timeout_ms:	Timeout for poll; 0 means return immediately if nothing needed
+ *		service otherwise block and service immediately, returning
+ *		after the timeout if nothing needed service.
+ * \param tsi:		Thread service index, starting at 0
+ *
+ * Same as lws_service(), but for a specific thread service index.  Only needed
+ * if you are spawning multiple service threads.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_service_tsi(struct lws_context *context, int timeout_ms, int tsi);
+
+/**
+ * lws_cancel_service_pt() - Cancel servicing of pending socket activity
+ *				on one thread
+ * \param wsi:	Cancel service on the thread this wsi is serviced by
+ *
+ * Same as lws_cancel_service(), but targets a single service thread, the one
+ * the wsi belongs to.  You probably want to use lws_cancel_service() instead.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_cancel_service_pt(struct lws *wsi);
+
+/**
+ * lws_cancel_service() - Cancel wait for new pending socket activity
+ * \param context:	Websocket context
+ *
+ * This function creates an immediate "synchronous interrupt" to the lws poll()
+ * wait or event loop.  As soon as possible in the serialzed service sequencing,
+ * a LWS_CALLBACK_EVENT_WAIT_CANCELLED callback is sent to every protocol on
+ * every vhost.
+ *
+ * lws_cancel_service() may be called from another thread while the context
+ * exists, and its effect will be immediately serialized.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_cancel_service(struct lws_context *context);
+
+/**
+ * lws_service_fd() - Service polled socket with something waiting
+ * \param context:	Websocket context
+ * \param pollfd:	The pollfd entry describing the socket fd and which events
+ *		happened, or NULL to tell lws to do only timeout servicing.
+ *
+ * This function takes a pollfd that has POLLIN or POLLOUT activity and
+ * services it according to the state of the associated
+ * struct lws.
+ *
+ * The one call deals with all "service" that might happen on a socket
+ * including listen accepts, http files as well as websocket protocol.
+ *
+ * If a pollfd says it has something, you can just pass it to
+ * lws_service_fd() whether it is a socket handled by lws or not.
+ * If it sees it is a lws socket, the traffic will be handled and
+ * pollfd->revents will be zeroed now.
+ *
+ * If the socket is foreign to lws, it leaves revents alone.  So you can
+ * see if you should service yourself by checking the pollfd revents
+ * after letting lws try to service it.
+ *
+ * You should also call this with pollfd = NULL to just allow the
+ * once-per-second global timeout checks; if less than a second since the last
+ * check it returns immediately then.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_service_fd(struct lws_context *context, struct lws_pollfd *pollfd);
+
+/**
+ * lws_service_fd_tsi() - Service polled socket in specific service thread
+ * \param context:	Websocket context
+ * \param pollfd:	The pollfd entry describing the socket fd and which events
+ *		happened.
+ * \param tsi: thread service index
+ *
+ * Same as lws_service_fd() but used with multiple service threads
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_service_fd_tsi(struct lws_context *context, struct lws_pollfd *pollfd,
+		   int tsi);
+
+/**
+ * lws_service_adjust_timeout() - Check for any connection needing forced service
+ * \param context:	Websocket context
+ * \param timeout_ms:	The original poll timeout value.  You can just set this
+ *			to 1 if you don't really have a poll timeout.
+ * \param tsi: thread service index
+ *
+ * Under some conditions connections may need service even though there is no
+ * pending network action on them, this is "forced service".  For default
+ * poll() and libuv / libev, the library takes care of calling this and
+ * dealing with it for you.  But for external poll() integration, you need
+ * access to the apis.
+ *
+ * If anybody needs "forced service", returned timeout is zero.  In that case,
+ * you can call lws_service_tsi() with a timeout of -1 to only service
+ * guys who need forced service.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_service_adjust_timeout(struct lws_context *context, int timeout_ms, int tsi);
+
+/* Backwards compatibility */
+#define lws_plat_service_tsi lws_service_tsi
+
+LWS_VISIBLE LWS_EXTERN int
+lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd);
+
+///@}
+
+/*! \defgroup uv libuv helpers
+ *
+ * ##libuv helpers
+ *
+ * APIs specific to libuv event loop itegration
+ */
+///@{
+#ifdef LWS_WITH_LIBUV
+/*
+ * Any direct libuv allocations in lws protocol handlers must participate in the
+ * lws reference counting scheme.  Two apis are provided:
+ *
+ * - lws_libuv_static_refcount_add(handle, context) to mark the handle with
+ *  a pointer to the context and increment the global uv object counter
+ *
+ * - lws_libuv_static_refcount_del() which should be used as the close callback
+ *   for your own libuv objects declared in the protocol scope.
+ *
+ * Using the apis allows lws to detach itself from a libuv loop completely
+ * cleanly and at the moment all of its libuv objects have completed close.
+ */
+
+LWS_VISIBLE LWS_EXTERN uv_loop_t *
+lws_uv_getloop(struct lws_context *context, int tsi);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_libuv_static_refcount_add(uv_handle_t *, struct lws_context *context);
+
+LWS_VISIBLE LWS_EXTERN void
+lws_libuv_static_refcount_del(uv_handle_t *);
+
+#endif /* LWS_WITH_LIBUV */
+
+#if defined(LWS_WITH_ESP32)
+#define lws_libuv_static_refcount_add(_a, _b)
+#define lws_libuv_static_refcount_del NULL
+#endif
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-sha1-base64.h b/thirdparty/libwebsockets/include/libwebsockets/lws-sha1-base64.h
new file mode 100644
index 0000000000..5a2bfdbbb0
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-sha1-base64.h
@@ -0,0 +1,93 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup sha SHA and B64 helpers
+ * ##SHA and B64 helpers
+ *
+ * These provide SHA-1 and B64 helper apis
+ */
+///@{
+#ifdef LWS_SHA1_USE_OPENSSL_NAME
+#define lws_SHA1 SHA1
+#else
+/**
+ * lws_SHA1(): make a SHA-1 digest of a buffer
+ *
+ * \param d: incoming buffer
+ * \param n: length of incoming buffer
+ * \param md: buffer for message digest (must be >= 20 bytes)
+ *
+ * Reduces any size buffer into a 20-byte SHA-1 hash.
+ */
+LWS_VISIBLE LWS_EXTERN unsigned char *
+lws_SHA1(const unsigned char *d, size_t n, unsigned char *md);
+#endif
+/**
+ * lws_b64_encode_string(): encode a string into base 64
+ *
+ * \param in: incoming buffer
+ * \param in_len: length of incoming buffer
+ * \param out: result buffer
+ * \param out_size: length of result buffer
+ *
+ * Encodes a string using b64
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_b64_encode_string(const char *in, int in_len, char *out, int out_size);
+/**
+ * lws_b64_encode_string_url(): encode a string into base 64
+ *
+ * \param in: incoming buffer
+ * \param in_len: length of incoming buffer
+ * \param out: result buffer
+ * \param out_size: length of result buffer
+ *
+ * Encodes a string using b64 with the "URL" variant (+ -> -, and / -> _)
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_b64_encode_string_url(const char *in, int in_len, char *out, int out_size);
+/**
+ * lws_b64_decode_string(): decode a string from base 64
+ *
+ * \param in: incoming buffer
+ * \param out: result buffer
+ * \param out_size: length of result buffer
+ *
+ * Decodes a NUL-terminated string using b64
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_b64_decode_string(const char *in, char *out, int out_size);
+/**
+ * lws_b64_decode_string_len(): decode a string from base 64
+ *
+ * \param in: incoming buffer
+ * \param in_len: length of incoming buffer
+ * \param out: result buffer
+ * \param out_size: length of result buffer
+ *
+ * Decodes a range of chars using b64
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_b64_decode_string_len(const char *in, int in_len, char *out, int out_size);
+///@}
+
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-spa.h b/thirdparty/libwebsockets/include/libwebsockets/lws-spa.h
new file mode 100644
index 0000000000..fcaf3889f5
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-spa.h
@@ -0,0 +1,140 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup form-parsing  Form Parsing
+ * \ingroup http
+ * ##POSTed form parsing functions
+ *
+ * These lws_spa (stateful post arguments) apis let you parse and urldecode
+ * POSTed form arguments, both using simple urlencoded and multipart transfer
+ * encoding.
+ *
+ * It's capable of handling file uploads as well a named input parsing,
+ * and the apis are the same for both form upload styles.
+ *
+ * You feed it a list of parameter names and it creates pointers to the
+ * urldecoded arguments: file upload parameters pass the file data in chunks to
+ * a user-supplied callback as they come.
+ *
+ * Since it's stateful, it handles the incoming data needing more than one
+ * POST_BODY callback and has no limit on uploaded file size.
+ */
+///@{
+
+/** enum lws_spa_fileupload_states */
+enum lws_spa_fileupload_states {
+	LWS_UFS_CONTENT,
+	/**< a chunk of file content has arrived */
+	LWS_UFS_FINAL_CONTENT,
+	/**< the last chunk (possibly zero length) of file content has arrived */
+	LWS_UFS_OPEN
+	/**< a new file is starting to arrive */
+};
+
+/**
+ * lws_spa_fileupload_cb() - callback to receive file upload data
+ *
+ * \param data: opt_data pointer set in lws_spa_create
+ * \param name: name of the form field being uploaded
+ * \param filename: original filename from client
+ * \param buf: start of data to receive
+ * \param len: length of data to receive
+ * \param state: information about how this call relates to file
+ *
+ * Notice name and filename shouldn't be trusted, as they are passed from
+ * HTTP provided by the client.
+ */
+typedef int (*lws_spa_fileupload_cb)(void *data, const char *name,
+				     const char *filename, char *buf, int len,
+				     enum lws_spa_fileupload_states state);
+
+/** struct lws_spa - opaque urldecode parser capable of handling multipart
+ *			and file uploads */
+struct lws_spa;
+
+/**
+ * lws_spa_create() - create urldecode parser
+ *
+ * \param wsi: lws connection (used to find Content Type)
+ * \param param_names: array of form parameter names, like "username"
+ * \param count_params: count of param_names
+ * \param max_storage: total amount of form parameter values we can store
+ * \param opt_cb: NULL, or callback to receive file upload data.
+ * \param opt_data: NULL, or user pointer provided to opt_cb.
+ *
+ * Creates a urldecode parser and initializes it.
+ *
+ * opt_cb can be NULL if you just want normal name=value parsing, however
+ * if one or more entries in your form are bulk data (file transfer), you
+ * can provide this callback and filter on the name callback parameter to
+ * treat that urldecoded data separately.  The callback should return -1
+ * in case of fatal error, and 0 if OK.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_spa *
+lws_spa_create(struct lws *wsi, const char * const *param_names,
+	       int count_params, int max_storage, lws_spa_fileupload_cb opt_cb,
+	       void *opt_data);
+
+/**
+ * lws_spa_process() - parses a chunk of input data
+ *
+ * \param spa: the parser object previously created
+ * \param in: incoming, urlencoded data
+ * \param len: count of bytes valid at \param in
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_spa_process(struct lws_spa *spa, const char *in, int len);
+
+/**
+ * lws_spa_finalize() - indicate incoming data completed
+ *
+ * \param spa: the parser object previously created
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_spa_finalize(struct lws_spa *spa);
+
+/**
+ * lws_spa_get_length() - return length of parameter value
+ *
+ * \param spa: the parser object previously created
+ * \param n: parameter ordinal to return length of value for
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_spa_get_length(struct lws_spa *spa, int n);
+
+/**
+ * lws_spa_get_string() - return pointer to parameter value
+ * \param spa: the parser object previously created
+ * \param n: parameter ordinal to return pointer to value for
+ */
+LWS_VISIBLE LWS_EXTERN const char *
+lws_spa_get_string(struct lws_spa *spa, int n);
+
+/**
+ * lws_spa_destroy() - destroy parser object
+ *
+ * \param spa: the parser object previously created
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_spa_destroy(struct lws_spa *spa);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-stats.h b/thirdparty/libwebsockets/include/libwebsockets/lws-stats.h
new file mode 100644
index 0000000000..b0031ca3e5
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-stats.h
@@ -0,0 +1,75 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*
+ * Stats are all uint64_t numbers that start at 0.
+ * Index names here have the convention
+ *
+ *  _C_ counter
+ *  _B_ byte count
+ *  _MS_ millisecond count
+ */
+
+enum {
+	LWSSTATS_C_CONNECTIONS, /**< count incoming connections */
+	LWSSTATS_C_API_CLOSE, /**< count calls to close api */
+	LWSSTATS_C_API_READ, /**< count calls to read from socket api */
+	LWSSTATS_C_API_LWS_WRITE, /**< count calls to lws_write API */
+	LWSSTATS_C_API_WRITE, /**< count calls to write API */
+	LWSSTATS_C_WRITE_PARTIALS, /**< count of partial writes */
+	LWSSTATS_C_WRITEABLE_CB_REQ, /**< count of writable callback requests */
+	LWSSTATS_C_WRITEABLE_CB_EFF_REQ, /**< count of effective writable callback requests */
+	LWSSTATS_C_WRITEABLE_CB, /**< count of writable callbacks */
+	LWSSTATS_C_SSL_CONNECTIONS_FAILED, /**< count of failed SSL connections */
+	LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED, /**< count of accepted SSL connections */
+	LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN, /**< count of SSL_accept() attempts */
+	LWSSTATS_C_SSL_CONNS_HAD_RX, /**< count of accepted SSL conns that have had some RX */
+	LWSSTATS_C_TIMEOUTS, /**< count of timed-out connections */
+	LWSSTATS_C_SERVICE_ENTRY, /**< count of entries to lws service loop */
+	LWSSTATS_B_READ, /**< aggregate bytes read */
+	LWSSTATS_B_WRITE, /**< aggregate bytes written */
+	LWSSTATS_B_PARTIALS_ACCEPTED_PARTS, /**< aggreate of size of accepted write data from new partials */
+	LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY, /**< aggregate delay in accepting connection */
+	LWSSTATS_MS_WRITABLE_DELAY, /**< aggregate delay between asking for writable and getting cb */
+	LWSSTATS_MS_WORST_WRITABLE_DELAY, /**< single worst delay between asking for writable and getting cb */
+	LWSSTATS_MS_SSL_RX_DELAY, /**< aggregate delay between ssl accept complete and first RX */
+	LWSSTATS_C_PEER_LIMIT_AH_DENIED, /**< number of times we would have given an ah but for the peer limit */
+	LWSSTATS_C_PEER_LIMIT_WSI_DENIED, /**< number of times we would have given a wsi but for the peer limit */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+	LWSSTATS_SIZE
+};
+
+#if defined(LWS_WITH_STATS)
+
+LWS_VISIBLE LWS_EXTERN uint64_t
+lws_stats_get(struct lws_context *context, int index);
+LWS_VISIBLE LWS_EXTERN void
+lws_stats_log_dump(struct lws_context *context);
+#else
+static LWS_INLINE uint64_t
+lws_stats_get(struct lws_context *context, int index) { (void)context; (void)index;  return 0; }
+static LWS_INLINE void
+lws_stats_log_dump(struct lws_context *context) { (void)context; }
+#endif
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-threadpool.h b/thirdparty/libwebsockets/include/libwebsockets/lws-threadpool.h
new file mode 100644
index 0000000000..eb6c6e1a16
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-threadpool.h
@@ -0,0 +1,231 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup threadpool Threadpool related functions
+ * ##Threadpool
+ * \ingroup lwsapi
+ *
+ * This allows you to create one or more pool of threads which can run tasks
+ * associated with a wsi.  If the pool is busy, tasks wait on a queue.
+ *
+ * Tasks don't have to be atomic, if they will take more than a few tens of ms
+ * they should return back to the threadpool worker with a return of 0.  This
+ * will allow them to abort cleanly.
+ */
+//@{
+
+struct lws_threadpool;
+struct lws_threadpool_task;
+
+enum lws_threadpool_task_status {
+	LWS_TP_STATUS_QUEUED,
+	LWS_TP_STATUS_RUNNING,
+	LWS_TP_STATUS_SYNCING,
+	LWS_TP_STATUS_STOPPING,
+	LWS_TP_STATUS_FINISHED, /* lws_threadpool_task_status() frees task */
+	LWS_TP_STATUS_STOPPED, /* lws_threadpool_task_status() frees task */
+};
+
+enum lws_threadpool_task_return {
+	/** Still work to do, just confirming not being stopped */
+	LWS_TP_RETURN_CHECKING_IN,
+	/** Still work to do, enter cond_wait until service thread syncs.  This
+	 * is used if you have filled your buffer(s) of data to the service
+	 * thread and are blocked until the service thread completes sending at
+	 * least one.
+	 */
+	LWS_TP_RETURN_SYNC,
+	/** No more work to do... */
+	LWS_TP_RETURN_FINISHED,
+	/** Responding to request to stop */
+	LWS_TP_RETURN_STOPPED,
+
+	/* OR on to indicate this task wishes to outlive its wsi */
+	LWS_TP_RETURN_FLAG_OUTLIVE = 64
+};
+
+struct lws_threadpool_create_args {
+	int threads;
+	int max_queue_depth;
+};
+
+struct lws_threadpool_task_args {
+	struct lws *wsi;	/**< user must set to wsi task is bound to */
+	void *user;		/**< user may set (user-private pointer) */
+	const char *name;	/**< user may set to describe task */
+	char async_task;	/**< set to allow the task to shrug off the loss
+				     of the associated wsi and continue to
+				     completion */
+	enum lws_threadpool_task_return (*task)(void *user,
+					enum lws_threadpool_task_status s);
+	/**< user must set to actual task function */
+	void (*cleanup)(struct lws *wsi, void *user);
+	/**< socket lifecycle may end while task is not stoppable, so the task
+	 * must be able to detach from any wsi and clean itself up when it does
+	 * stop.  If NULL, no cleanup necessary, otherwise point to a user-
+	 * supplied function that destroys the stuff in \p user.
+	 *
+	 * wsi may be NULL on entry, indicating the task got detached due to the
+	 * wsi closing before.
+	 */
+};
+
+/**
+ * lws_threadpool_create() - create a pool of worker threads
+ *
+ * \param context: the lws_context the threadpool will exist inside
+ * \param args: argument struct prepared by caller
+ * \param format: printf-type format for the task name
+ * \param ...: printf type args for the task name format
+ *
+ * Creates a pool of worker threads with \p threads and a queue of up to
+ * \p max_queue_depth waiting tasks if all the threads are busy.
+ *
+ * Returns NULL if OOM, or a struct lws_threadpool pointer that must be
+ * destroyed by lws_threadpool_destroy().
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_threadpool *
+lws_threadpool_create(struct lws_context *context,
+		      const struct lws_threadpool_create_args *args,
+		      const char *format, ...) LWS_FORMAT(3);
+
+/**
+ * lws_threadpool_finish() - Stop all pending and running tasks
+ *
+ * \param tp: the threadpool object
+ *
+ * Marks the threadpool as under destruction.  Removes everything from the
+ * pending queue and completes those tasks as LWS_TP_STATUS_STOPPED.
+ *
+ * Running tasks will also get LWS_TP_STATUS_STOPPED as soon as they
+ * "resurface".
+ *
+ * This doesn't reap tasks or free the threadpool, the reaping is done by the
+ * lws_threadpool_task_status() on the done task.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_threadpool_finish(struct lws_threadpool *tp);
+
+/**
+ * lws_threadpool_destroy() - Destroy a threadpool
+ *
+ * \param tp: the threadpool object
+ *
+ * Waits for all worker threads to stop, ends the threads and frees the tp.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_threadpool_destroy(struct lws_threadpool *tp);
+
+/**
+ * lws_threadpool_enqueue() - Queue the task and run it on a worker thread when possible
+ *
+ * \param tp: the threadpool to queue / run on
+ * \param args: information about what to run
+ * \param format: printf-type format for the task name
+ * \param ...: printf type args for the task name format
+ *
+ * This asks for a task to run ASAP on a worker thread in threadpool \p tp.
+ *
+ * The args defines the wsi, a user-private pointer, a timeout in secs and
+ * a pointer to the task function.
+ *
+ * Returns NULL or an opaque pointer to the queued (or running, or completed)
+ * task.
+ *
+ * Once a task is created and enqueued, it can only be destroyed by calling
+ * lws_threadpool_task_status() on it after it has reached the state
+ * LWS_TP_STATUS_FINISHED or LWS_TP_STATUS_STOPPED.
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_threadpool_task *
+lws_threadpool_enqueue(struct lws_threadpool *tp,
+		       const struct lws_threadpool_task_args *args,
+		       const char *format, ...) LWS_FORMAT(3);
+
+/**
+ * lws_threadpool_dequeue() - Dequeue or try to stop a running task
+ *
+ * \param wsi: the wsi whose current task we want to eliminate
+ *
+ * Returns 0 is the task was dequeued or already compeleted, or 1 if the task
+ * has been asked to stop asynchronously.
+ *
+ * This doesn't free the task.  It only shortcuts it to state
+ * LWS_TP_STATUS_STOPPED.  lws_threadpool_task_status() must be performed on
+ * the task separately once it is in LWS_TP_STATUS_STOPPED to free the task.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_threadpool_dequeue(struct lws *wsi);
+
+/**
+ * lws_threadpool_task_status() - Dequeue or try to stop a running task
+ *
+ * \param wsi: the wsi to query the current task of
+ * \param task: receives a pointer to the opaque task
+ * \param user: receives a void * pointer to the task user data
+ *
+ * This is the equivalent of posix waitpid()... it returns the status of the
+ * task, and if the task is in state LWS_TP_STATUS_FINISHED or
+ * LWS_TP_STATUS_STOPPED, frees \p task.  If in another state, the task
+ * continues to exist.
+ *
+ * This is designed to be called from the service thread.
+ *
+ * Its use is to make sure the service thread has seen the state of the task
+ * before deleting it.
+ */
+LWS_VISIBLE LWS_EXTERN enum lws_threadpool_task_status
+lws_threadpool_task_status_wsi(struct lws *wsi,
+			       struct lws_threadpool_task **task, void **user);
+
+/**
+ * lws_threadpool_task_sync() - Indicate to a stalled task it may continue
+ *
+ * \param task: the task to unblock
+ * \param stop: 0 = run after unblock, 1 = when he unblocks, stop him
+ *
+ * Inform the task that the service thread has finished with the shared data
+ * and that the task, if blocked in LWS_TP_RETURN_SYNC, may continue.
+ *
+ * If the lws service context determined that the task must be aborted, it
+ * should still call this but with stop = 1, causing the task to finish.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_threadpool_task_sync(struct lws_threadpool_task *task, int stop);
+
+/**
+ * lws_threadpool_dump() - dump the state of a threadpool to the log
+ *
+ * \param tp: The threadpool to dump
+ *
+ * This locks the threadpool and then dumps the pending queue, the worker
+ * threads and the done queue, together with time information for how long
+ * the tasks have been in their current state, how long they have occupied a
+ * thread, etc.
+ *
+ * This only does anything on lws builds with CMAKE_BUILD_TYPE=DEBUG, otherwise
+ * while it still exists, it's a NOP.
+ */
+
+LWS_VISIBLE LWS_EXTERN void
+lws_threadpool_dump(struct lws_threadpool *tp);
+//@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-timeout-timer.h b/thirdparty/libwebsockets/include/libwebsockets/lws-timeout-timer.h
new file mode 100644
index 0000000000..e715ba15a3
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-timeout-timer.h
@@ -0,0 +1,164 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup timeout Connection timeouts
+
+    APIs related to setting connection timeouts
+*/
+//@{
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+enum pending_timeout {
+	NO_PENDING_TIMEOUT					=  0,
+	PENDING_TIMEOUT_AWAITING_PROXY_RESPONSE			=  1,
+	PENDING_TIMEOUT_AWAITING_CONNECT_RESPONSE		=  2,
+	PENDING_TIMEOUT_ESTABLISH_WITH_SERVER			=  3,
+	PENDING_TIMEOUT_AWAITING_SERVER_RESPONSE		=  4,
+	PENDING_TIMEOUT_AWAITING_PING				=  5,
+	PENDING_TIMEOUT_CLOSE_ACK				=  6,
+	PENDING_TIMEOUT_UNUSED1					=  7,
+	PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE			=  8,
+	PENDING_TIMEOUT_SSL_ACCEPT				=  9,
+	PENDING_TIMEOUT_HTTP_CONTENT				= 10,
+	PENDING_TIMEOUT_AWAITING_CLIENT_HS_SEND			= 11,
+	PENDING_FLUSH_STORED_SEND_BEFORE_CLOSE			= 12,
+	PENDING_TIMEOUT_SHUTDOWN_FLUSH				= 13,
+	PENDING_TIMEOUT_CGI					= 14,
+	PENDING_TIMEOUT_HTTP_KEEPALIVE_IDLE			= 15,
+	PENDING_TIMEOUT_WS_PONG_CHECK_SEND_PING			= 16,
+	PENDING_TIMEOUT_WS_PONG_CHECK_GET_PONG			= 17,
+	PENDING_TIMEOUT_CLIENT_ISSUE_PAYLOAD			= 18,
+	PENDING_TIMEOUT_AWAITING_SOCKS_GREETING_REPLY	        = 19,
+	PENDING_TIMEOUT_AWAITING_SOCKS_CONNECT_REPLY		= 20,
+	PENDING_TIMEOUT_AWAITING_SOCKS_AUTH_REPLY		= 21,
+	PENDING_TIMEOUT_KILLED_BY_SSL_INFO			= 22,
+	PENDING_TIMEOUT_KILLED_BY_PARENT			= 23,
+	PENDING_TIMEOUT_CLOSE_SEND				= 24,
+	PENDING_TIMEOUT_HOLDING_AH				= 25,
+	PENDING_TIMEOUT_UDP_IDLE				= 26,
+	PENDING_TIMEOUT_CLIENT_CONN_IDLE			= 27,
+	PENDING_TIMEOUT_LAGGING					= 28,
+	PENDING_TIMEOUT_THREADPOOL				= 29,
+	PENDING_TIMEOUT_THREADPOOL_TASK				= 30,
+	PENDING_TIMEOUT_KILLED_BY_PROXY_CLIENT_CLOSE		= 31,
+
+	/****** add new things just above ---^ ******/
+
+	PENDING_TIMEOUT_USER_REASON_BASE			= 1000
+};
+
+/**
+ * lws_time_in_microseconds() - Returns the unix time in microseconds
+ */
+LWS_VISIBLE LWS_EXTERN uint64_t
+lws_time_in_microseconds(void);
+
+#define LWS_TO_KILL_ASYNC -1
+/**< If LWS_TO_KILL_ASYNC is given as the timeout sec in a lws_set_timeout()
+ * call, then the connection is marked to be killed at the next timeout
+ * check.  This is how you should force-close the wsi being serviced if
+ * you are doing it outside the callback (where you should close by nonzero
+ * return).
+ */
+#define LWS_TO_KILL_SYNC -2
+/**< If LWS_TO_KILL_SYNC is given as the timeout sec in a lws_set_timeout()
+ * call, then the connection is closed before returning (which may delete
+ * the wsi).  This should only be used where the wsi being closed is not the
+ * wsi currently being serviced.
+ */
+/**
+ * lws_set_timeout() - marks the wsi as subject to a timeout
+ *
+ * You will not need this unless you are doing something special
+ *
+ * \param wsi:	Websocket connection instance
+ * \param reason:	timeout reason
+ * \param secs:	how many seconds.  You may set to LWS_TO_KILL_ASYNC to
+ *		force the connection to timeout at the next opportunity, or
+ *		LWS_TO_KILL_SYNC to close it synchronously if you know the
+ *		wsi is not the one currently being serviced.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs);
+
+#define LWS_SET_TIMER_USEC_CANCEL ((lws_usec_t)-1ll)
+#define LWS_USEC_PER_SEC (1000000ll)
+
+/**
+ * lws_set_timer_usecs() - schedules a callback on the wsi in the future
+ *
+ * \param wsi:	Websocket connection instance
+ * \param usecs:  LWS_SET_TIMER_USEC_CANCEL removes any existing scheduled
+ *		  callback, otherwise number of microseconds in the future
+ *		  the callback will occur at.
+ *
+ * NOTE: event loop support for this:
+ *
+ *  default poll() loop:   yes
+ *  libuv event loop:      yes
+ *  libev:    not implemented (patch welcome)
+ *  libevent: not implemented (patch welcome)
+ *
+ * After the deadline expires, the wsi will get a callback of type
+ * LWS_CALLBACK_TIMER and the timer is exhausted.  The deadline may be
+ * continuously deferred by further calls to lws_set_timer_usecs() with a later
+ * deadline, or cancelled by lws_set_timer_usecs(wsi, -1).
+ *
+ * If the timer should repeat, lws_set_timer_usecs() must be called again from
+ * LWS_CALLBACK_TIMER.
+ *
+ * Accuracy depends on the platform and the load on the event loop or system...
+ * all that's guaranteed is the callback will come after the requested wait
+ * period.
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs);
+
+/*
+ * lws_timed_callback_vh_protocol() - calls back a protocol on a vhost after
+ * 					the specified delay
+ *
+ * \param vh:	 the vhost to call back
+ * \param protocol: the protocol to call back
+ * \param reason: callback reason
+ * \param secs:	how many seconds in the future to do the callback.  Set to
+ *		-1 to cancel the timer callback.
+ *
+ * Callback the specified protocol with a fake wsi pointing to the specified
+ * vhost and protocol, with the specified reason, at the specified time in the
+ * future.
+ *
+ * Returns 0 if OK.
+ *
+ * In the multithreaded service case, the callback will occur in the same
+ * service thread context as the call to this api that requested it.  If it is
+ * called from a non-service thread, tsi 0 will handle it.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_timed_callback_vh_protocol(struct lws_vhost *vh,
+			       const struct lws_protocols *prot,
+			       int reason, int secs);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-tokenize.h b/thirdparty/libwebsockets/include/libwebsockets/lws-tokenize.h
new file mode 100644
index 0000000000..26a57dfbaf
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-tokenize.h
@@ -0,0 +1,136 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/* Do not treat - as a terminal character, so "my-token" is one token */
+#define LWS_TOKENIZE_F_MINUS_NONTERM	(1 << 0)
+/* Separately report aggregate colon-delimited tokens */
+#define LWS_TOKENIZE_F_AGG_COLON	(1 << 1)
+/* Enforce sequencing for a simple token , token , token ... list */
+#define LWS_TOKENIZE_F_COMMA_SEP_LIST	(1 << 2)
+/* Allow more characters in the tokens and less delimiters... default is
+ * only alphanumeric + underscore in tokens */
+#define LWS_TOKENIZE_F_RFC7230_DELIMS	(1 << 3)
+/* Do not treat . as a terminal character, so "warmcat.com" is one token */
+#define LWS_TOKENIZE_F_DOT_NONTERM	(1 << 4)
+/* If something starts looking like a float, like 1.2, force to be string token.
+ * This lets you receive dotted-quads like 192.168.0.1 as string tokens, and
+ * avoids illegal float format detection like 1.myserver.com */
+#define LWS_TOKENIZE_F_NO_FLOATS	(1 << 5)
+
+typedef enum {
+
+	LWS_TOKZE_ERRS			=  5, /* the number of errors defined */
+
+	LWS_TOKZE_ERR_BROKEN_UTF8	= -5,	/* malformed or partial utf8 */
+	LWS_TOKZE_ERR_UNTERM_STRING	= -4,	/* ended while we were in "" */
+	LWS_TOKZE_ERR_MALFORMED_FLOAT	= -3,	/* like 0..1 or 0.1.1 */
+	LWS_TOKZE_ERR_NUM_ON_LHS	= -2,	/* like 123= or 0.1= */
+	LWS_TOKZE_ERR_COMMA_LIST	= -1,	/* like ",tok", or, "tok,," */
+
+	LWS_TOKZE_ENDED = 0,		/* no more content */
+
+	/* Note: results have ordinal 1+, EOT is 0 and errors are < 0 */
+
+	LWS_TOKZE_DELIMITER,		/* a delimiter appeared */
+	LWS_TOKZE_TOKEN,		/* a token appeared */
+	LWS_TOKZE_INTEGER,		/* an integer appeared */
+	LWS_TOKZE_FLOAT,		/* a float appeared */
+	LWS_TOKZE_TOKEN_NAME_EQUALS,	/* token [whitespace] = */
+	LWS_TOKZE_TOKEN_NAME_COLON,	/* token [whitespace] : (only with
+					   LWS_TOKENIZE_F_AGG_COLON flag) */
+	LWS_TOKZE_QUOTED_STRING,	/* "*", where * may have any char */
+
+} lws_tokenize_elem;
+
+/*
+ * helper enums to allow caller to enforce legal delimiter sequencing, eg
+ * disallow "token,,token", "token,", and ",token"
+ */
+
+enum lws_tokenize_delimiter_tracking {
+	LWSTZ_DT_NEED_FIRST_CONTENT,
+	LWSTZ_DT_NEED_DELIM,
+	LWSTZ_DT_NEED_NEXT_CONTENT,
+};
+
+struct lws_tokenize {
+	const char *start; /**< set to the start of the string to tokenize */
+	const char *token; /**< the start of an identified token or delimiter */
+	int len;	/**< set to the length of the string to tokenize */
+	int token_len;	/**< the length of the identied token or delimiter */
+
+	int flags;	/**< optional LWS_TOKENIZE_F_ flags, or 0 */
+	int delim;
+};
+
+/**
+ * lws_tokenize() - breaks down a string into tokens and delimiters in-place
+ *
+ * \param ts: the lws_tokenize struct to init
+ * \param start: the string to tokenize
+ * \param flags: LWS_TOKENIZE_F_ option flags
+ *
+ * This initializes the tokenize struct to point to the given string, and
+ * sets the length to 2GiB - 1 (so there must be a terminating NUL)... you can
+ * override this requirement by setting ts.len yourself before using it.
+ *
+ * .delim is also initialized to LWSTZ_DT_NEED_FIRST_CONTENT.
+ */
+
+LWS_VISIBLE LWS_EXTERN void
+lws_tokenize_init(struct lws_tokenize *ts, const char *start, int flags);
+
+/**
+ * lws_tokenize() - breaks down a string into tokens and delimiters in-place
+ *
+ * \param ts: the lws_tokenize struct with information and state on what to do
+ *
+ * The \p ts struct should have its start, len and flags members initialized to
+ * reflect the string to be tokenized and any options.
+ *
+ * Then `lws_tokenize()` may be called repeatedly on the struct, returning one
+ * of `lws_tokenize_elem` each time, and with the struct's `token` and
+ * `token_len` members set to describe the content of the delimiter or token
+ * payload each time.
+ *
+ * There are no allocations during the process.
+ *
+ * returns lws_tokenize_elem that was identified (LWS_TOKZE_ENDED means reached
+ * the end of the string).
+ */
+
+LWS_VISIBLE LWS_EXTERN lws_tokenize_elem
+lws_tokenize(struct lws_tokenize *ts);
+
+/**
+ * lws_tokenize_cstr() - copy token string to NUL-terminated buffer
+ *
+ * \param ts: pointer to lws_tokenize struct to operate on
+ * \param str: destination buffer
+ * \pparam max: bytes in destination buffer
+ *
+ * returns 0 if OK or nonzero if the string + NUL won't fit.
+ */
+
+LWS_VISIBLE LWS_EXTERN int
+lws_tokenize_cstr(struct lws_tokenize *ts, char *str, int max);
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-vfs.h b/thirdparty/libwebsockets/include/libwebsockets/lws-vfs.h
new file mode 100644
index 0000000000..00e2fda5d3
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-vfs.h
@@ -0,0 +1,269 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup fops file operation wrapping
+ *
+ * ##File operation wrapping
+ *
+ * Use these helper functions if you want to access a file from the perspective
+ * of a specific wsi, which is usually the case.  If you just want contextless
+ * file access, use the fops callbacks directly with NULL wsi instead of these
+ * helpers.
+ *
+ * If so, then it calls the platform handler or user overrides where present
+ * (as defined in info->fops)
+ *
+ * The advantage from all this is user code can be portable for file operations
+ * without having to deal with differences between platforms.
+ */
+//@{
+
+/** struct lws_plat_file_ops - Platform-specific file operations
+ *
+ * These provide platform-agnostic ways to deal with filesystem access in the
+ * library and in the user code.
+ */
+
+#if defined(LWS_WITH_ESP32)
+/* sdk preprocessor defs? compiler issue? gets confused with member names */
+#define LWS_FOP_OPEN		_open
+#define LWS_FOP_CLOSE		_close
+#define LWS_FOP_SEEK_CUR	_seek_cur
+#define LWS_FOP_READ		_read
+#define LWS_FOP_WRITE		_write
+#else
+#define LWS_FOP_OPEN		open
+#define LWS_FOP_CLOSE		close
+#define LWS_FOP_SEEK_CUR	seek_cur
+#define LWS_FOP_READ		read
+#define LWS_FOP_WRITE		write
+#endif
+
+#define LWS_FOP_FLAGS_MASK		   ((1 << 23) - 1)
+#define LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP (1 << 24)
+#define LWS_FOP_FLAG_COMPR_IS_GZIP	   (1 << 25)
+#define LWS_FOP_FLAG_MOD_TIME_VALID	   (1 << 26)
+#define LWS_FOP_FLAG_VIRTUAL		   (1 << 27)
+
+struct lws_plat_file_ops;
+
+struct lws_fop_fd {
+	lws_filefd_type			fd;
+	/**< real file descriptor related to the file... */
+	const struct lws_plat_file_ops	*fops;
+	/**< fops that apply to this fop_fd */
+	void				*filesystem_priv;
+	/**< ignored by lws; owned by the fops handlers */
+	lws_filepos_t			pos;
+	/**< generic "position in file" */
+	lws_filepos_t			len;
+	/**< generic "length of file" */
+	lws_fop_flags_t			flags;
+	/**< copy of the returned flags */
+	uint32_t			mod_time;
+	/**< optional "modification time of file", only valid if .open()
+	 * set the LWS_FOP_FLAG_MOD_TIME_VALID flag */
+};
+typedef struct lws_fop_fd *lws_fop_fd_t;
+
+struct lws_fops_index {
+	const char *sig;	/* NULL or vfs signature, eg, ".zip/" */
+	uint8_t len;		/* length of above string */
+};
+
+struct lws_plat_file_ops {
+	lws_fop_fd_t (*LWS_FOP_OPEN)(const struct lws_plat_file_ops *fops,
+				     const char *filename, const char *vpath,
+				     lws_fop_flags_t *flags);
+	/**< Open file (always binary access if plat supports it)
+	 * vpath may be NULL, or if the fops understands it, the point at which
+	 * the filename's virtual part starts.
+	 * *flags & LWS_FOP_FLAGS_MASK should be set to O_RDONLY or O_RDWR.
+	 * If the file may be gzip-compressed,
+	 * LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP is set.  If it actually is
+	 * gzip-compressed, then the open handler should OR
+	 * LWS_FOP_FLAG_COMPR_IS_GZIP on to *flags before returning.
+	 */
+	int (*LWS_FOP_CLOSE)(lws_fop_fd_t *fop_fd);
+	/**< close file AND set the pointer to NULL */
+	lws_fileofs_t (*LWS_FOP_SEEK_CUR)(lws_fop_fd_t fop_fd,
+					  lws_fileofs_t offset_from_cur_pos);
+	/**< seek from current position */
+	int (*LWS_FOP_READ)(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+			    uint8_t *buf, lws_filepos_t len);
+	/**< Read from file, on exit *amount is set to amount actually read */
+	int (*LWS_FOP_WRITE)(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+			     uint8_t *buf, lws_filepos_t len);
+	/**< Write to file, on exit *amount is set to amount actually written */
+
+	struct lws_fops_index fi[3];
+	/**< vfs path signatures implying use of this fops */
+
+	const struct lws_plat_file_ops *next;
+	/**< NULL or next fops in list */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+};
+
+/**
+ * lws_get_fops() - get current file ops
+ *
+ * \param context: context
+ */
+LWS_VISIBLE LWS_EXTERN struct lws_plat_file_ops * LWS_WARN_UNUSED_RESULT
+lws_get_fops(struct lws_context *context);
+LWS_VISIBLE LWS_EXTERN void
+lws_set_fops(struct lws_context *context, const struct lws_plat_file_ops *fops);
+/**
+ * lws_vfs_tell() - get current file position
+ *
+ * \param fop_fd: fop_fd we are asking about
+ */
+LWS_VISIBLE LWS_EXTERN lws_filepos_t LWS_WARN_UNUSED_RESULT
+lws_vfs_tell(lws_fop_fd_t fop_fd);
+/**
+ * lws_vfs_get_length() - get current file total length in bytes
+ *
+ * \param fop_fd: fop_fd we are asking about
+ */
+LWS_VISIBLE LWS_EXTERN lws_filepos_t LWS_WARN_UNUSED_RESULT
+lws_vfs_get_length(lws_fop_fd_t fop_fd);
+/**
+ * lws_vfs_get_mod_time() - get time file last modified
+ *
+ * \param fop_fd: fop_fd we are asking about
+ */
+LWS_VISIBLE LWS_EXTERN uint32_t LWS_WARN_UNUSED_RESULT
+lws_vfs_get_mod_time(lws_fop_fd_t fop_fd);
+/**
+ * lws_vfs_file_seek_set() - seek relative to start of file
+ *
+ * \param fop_fd: fop_fd we are seeking in
+ * \param offset: offset from start of file
+ */
+LWS_VISIBLE LWS_EXTERN lws_fileofs_t
+lws_vfs_file_seek_set(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
+/**
+ * lws_vfs_file_seek_end() - seek relative to end of file
+ *
+ * \param fop_fd: fop_fd we are seeking in
+ * \param offset: offset from start of file
+ */
+LWS_VISIBLE LWS_EXTERN lws_fileofs_t
+lws_vfs_file_seek_end(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
+
+extern struct lws_plat_file_ops fops_zip;
+
+/**
+ * lws_plat_file_open() - open vfs filepath
+ *
+ * \param fops: file ops struct that applies to this descriptor
+ * \param vfs_path: filename to open
+ * \param flags: pointer to open flags
+ *
+ * The vfs_path is scanned for known fops signatures, and the open directed
+ * to any matching fops open.
+ *
+ * User code should use this api to perform vfs opens.
+ *
+ * returns semi-opaque handle
+ */
+LWS_VISIBLE LWS_EXTERN lws_fop_fd_t LWS_WARN_UNUSED_RESULT
+lws_vfs_file_open(const struct lws_plat_file_ops *fops, const char *vfs_path,
+		  lws_fop_flags_t *flags);
+
+/**
+ * lws_plat_file_close() - close file
+ *
+ * \param fop_fd: file handle to close
+ */
+static LWS_INLINE int
+lws_vfs_file_close(lws_fop_fd_t *fop_fd)
+{
+	return (*fop_fd)->fops->LWS_FOP_CLOSE(fop_fd);
+}
+
+/**
+ * lws_plat_file_seek_cur() - close file
+ *
+ *
+ * \param fop_fd: file handle
+ * \param offset: position to seek to
+ */
+static LWS_INLINE lws_fileofs_t
+lws_vfs_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
+{
+	return fop_fd->fops->LWS_FOP_SEEK_CUR(fop_fd, offset);
+}
+/**
+ * lws_plat_file_read() - read from file
+ *
+ * \param fop_fd: file handle
+ * \param amount: how much to read (rewritten by call)
+ * \param buf: buffer to write to
+ * \param len: max length
+ */
+static LWS_INLINE int LWS_WARN_UNUSED_RESULT
+lws_vfs_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		   uint8_t *buf, lws_filepos_t len)
+{
+	return fop_fd->fops->LWS_FOP_READ(fop_fd, amount, buf, len);
+}
+/**
+ * lws_plat_file_write() - write from file
+ *
+ * \param fop_fd: file handle
+ * \param amount: how much to write (rewritten by call)
+ * \param buf: buffer to read from
+ * \param len: max length
+ */
+static LWS_INLINE int LWS_WARN_UNUSED_RESULT
+lws_vfs_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		    uint8_t *buf, lws_filepos_t len)
+{
+	return fop_fd->fops->LWS_FOP_WRITE(fop_fd, amount, buf, len);
+}
+
+/* these are the platform file operations implementations... they can
+ * be called directly and used in fops arrays
+ */
+
+LWS_VISIBLE LWS_EXTERN lws_fop_fd_t
+_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+		    const char *vpath, lws_fop_flags_t *flags);
+LWS_VISIBLE LWS_EXTERN int
+_lws_plat_file_close(lws_fop_fd_t *fop_fd);
+LWS_VISIBLE LWS_EXTERN lws_fileofs_t
+_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
+LWS_VISIBLE LWS_EXTERN int
+_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		    uint8_t *buf, lws_filepos_t len);
+LWS_VISIBLE LWS_EXTERN int
+_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		     uint8_t *buf, lws_filepos_t len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_alloc_vfs_file(struct lws_context *context, const char *filename,
+		   uint8_t **buf, lws_filepos_t *amount);
+//@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-write.h b/thirdparty/libwebsockets/include/libwebsockets/lws-write.h
new file mode 100644
index 0000000000..b73e51c789
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-write.h
@@ -0,0 +1,235 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup sending-data Sending data
+
+    APIs related to writing data on a connection
+*/
+//@{
+#if !defined(LWS_SIZEOFPTR)
+#define LWS_SIZEOFPTR ((int)sizeof (void *))
+#endif
+
+#if defined(__x86_64__)
+#define _LWS_PAD_SIZE 16	/* Intel recommended for best performance */
+#else
+#define _LWS_PAD_SIZE LWS_SIZEOFPTR   /* Size of a pointer on the target arch */
+#endif
+#define _LWS_PAD(n) (((n) % _LWS_PAD_SIZE) ? \
+		((n) + (_LWS_PAD_SIZE - ((n) % _LWS_PAD_SIZE))) : (n))
+/* last 2 is for lws-meta */
+#define LWS_PRE _LWS_PAD(4 + 10 + 2)
+/* used prior to 1.7 and retained for backward compatibility */
+#define LWS_SEND_BUFFER_PRE_PADDING LWS_PRE
+#define LWS_SEND_BUFFER_POST_PADDING 0
+
+#define LWS_WRITE_RAW LWS_WRITE_HTTP
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+enum lws_write_protocol {
+	LWS_WRITE_TEXT						= 0,
+	/**< Send a ws TEXT message,the pointer must have LWS_PRE valid
+	 * memory behind it.
+	 *
+	 * The receiver expects only valid utf-8 in the payload */
+	LWS_WRITE_BINARY					= 1,
+	/**< Send a ws BINARY message, the pointer must have LWS_PRE valid
+	 * memory behind it.
+	 *
+	 * Any sequence of bytes is valid */
+	LWS_WRITE_CONTINUATION					= 2,
+	/**< Continue a previous ws message, the pointer must have LWS_PRE valid
+	 * memory behind it */
+	LWS_WRITE_HTTP						= 3,
+	/**< Send HTTP content */
+
+	/* LWS_WRITE_CLOSE is handled by lws_close_reason() */
+	LWS_WRITE_PING						= 5,
+	LWS_WRITE_PONG						= 6,
+
+	/* Same as write_http but we know this write ends the transaction */
+	LWS_WRITE_HTTP_FINAL					= 7,
+
+	/* HTTP2 */
+
+	LWS_WRITE_HTTP_HEADERS					= 8,
+	/**< Send http headers (http2 encodes this payload and LWS_WRITE_HTTP
+	 * payload differently, http 1.x links also handle this correctly. so
+	 * to be compatible with both in the future,header response part should
+	 * be sent using this regardless of http version expected)
+	 */
+	LWS_WRITE_HTTP_HEADERS_CONTINUATION			= 9,
+	/**< Continuation of http/2 headers
+	 */
+
+	/****** add new things just above ---^ ******/
+
+	/* flags */
+
+	LWS_WRITE_BUFLIST = 0x20,
+	/**< Don't actually write it... stick it on the output buflist and
+	 *   write it as soon as possible.  Useful if you learn you have to
+	 *   write something, have the data to write to hand but the timing is
+	 *   unrelated as to whether the connection is writable or not, and were
+	 *   otherwise going to have to allocate a temp buffer and write it
+	 *   later anyway */
+
+	LWS_WRITE_NO_FIN = 0x40,
+	/**< This part of the message is not the end of the message */
+
+	LWS_WRITE_H2_STREAM_END = 0x80,
+	/**< Flag indicates this packet should go out with STREAM_END if h2
+	 * STREAM_END is allowed on DATA or HEADERS.
+	 */
+
+	LWS_WRITE_CLIENT_IGNORE_XOR_MASK = 0x80
+	/**< client packet payload goes out on wire unmunged
+	 * only useful for security tests since normal servers cannot
+	 * decode the content if used */
+};
+
+/* used with LWS_CALLBACK_CHILD_WRITE_VIA_PARENT */
+
+struct lws_write_passthru {
+	struct lws *wsi;
+	unsigned char *buf;
+	size_t len;
+	enum lws_write_protocol wp;
+};
+
+
+/**
+ * lws_write() - Apply protocol then write data to client
+ * \param wsi:	Websocket instance (available from user callback)
+ * \param buf:	The data to send.  For data being sent on a websocket
+ *		connection (ie, not default http), this buffer MUST have
+ *		LWS_PRE bytes valid BEFORE the pointer.
+ *		This is so the protocol header data can be added in-situ.
+ * \param len:	Count of the data bytes in the payload starting from buf
+ * \param protocol:	Use LWS_WRITE_HTTP to reply to an http connection, and one
+ *		of LWS_WRITE_BINARY or LWS_WRITE_TEXT to send appropriate
+ *		data on a websockets connection.  Remember to allow the extra
+ *		bytes before and after buf if LWS_WRITE_BINARY or LWS_WRITE_TEXT
+ *		are used.
+ *
+ *	This function provides the way to issue data back to the client
+ *	for both http and websocket protocols.
+ *
+ * IMPORTANT NOTICE!
+ *
+ * When sending with websocket protocol
+ *
+ * LWS_WRITE_TEXT,
+ * LWS_WRITE_BINARY,
+ * LWS_WRITE_CONTINUATION,
+ * LWS_WRITE_PING,
+ * LWS_WRITE_PONG,
+ *
+ * or sending on http/2,
+ *
+ * the send buffer has to have LWS_PRE bytes valid BEFORE the buffer pointer you
+ * pass to lws_write().  Since you'll probably want to use http/2 before too
+ * long, it's wise to just always do this with lws_write buffers... LWS_PRE is
+ * typically 16 bytes it's not going to hurt usually.
+ *
+ * start of alloc       ptr passed to lws_write      end of allocation
+ *       |                         |                         |
+ *       v  <-- LWS_PRE bytes -->  v                         v
+ *       [----------------  allocated memory  ---------------]
+ *              (for lws use)      [====== user buffer ======]
+ *
+ * This allows us to add protocol info before and after the data, and send as
+ * one packet on the network without payload copying, for maximum efficiency.
+ *
+ * So for example you need this kind of code to use lws_write with a
+ * 128-byte payload
+ *
+ *   char buf[LWS_PRE + 128];
+ *
+ *   // fill your part of the buffer... for example here it's all zeros
+ *   memset(&buf[LWS_PRE], 0, 128);
+ *
+ *   lws_write(wsi, &buf[LWS_PRE], 128, LWS_WRITE_TEXT);
+ *
+ * LWS_PRE is at least the frame nonce + 2 header + 8 length
+ * LWS_SEND_BUFFER_POST_PADDING is deprecated, it's now 0 and can be left off.
+ * The example apps no longer use it.
+ *
+ * Pad LWS_PRE to the CPU word size, so that word references
+ * to the address immediately after the padding won't cause an unaligned access
+ * error. Sometimes for performance reasons the recommended padding is even
+ * larger than sizeof(void *).
+ *
+ *	In the case of sending using websocket protocol, be sure to allocate
+ *	valid storage before and after buf as explained above.  This scheme
+ *	allows maximum efficiency of sending data and protocol in a single
+ *	packet while not burdening the user code with any protocol knowledge.
+ *
+ *	Return may be -1 for a fatal error needing connection close, or the
+ *	number of bytes sent.
+ *
+ * Truncated Writes
+ * ================
+ *
+ * The OS may not accept everything you asked to write on the connection.
+ *
+ * Posix defines POLLOUT indication from poll() to show that the connection
+ * will accept more write data, but it doesn't specifiy how much.  It may just
+ * accept one byte of whatever you wanted to send.
+ *
+ * LWS will buffer the remainder automatically, and send it out autonomously.
+ *
+ * During that time, WRITABLE callbacks will be suppressed.
+ *
+ * This is to handle corner cases where unexpectedly the OS refuses what we
+ * usually expect it to accept.  You should try to send in chunks that are
+ * almost always accepted in order to avoid the inefficiency of the buffering.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_write(struct lws *wsi, unsigned char *buf, size_t len,
+	  enum lws_write_protocol protocol);
+
+/* helper for case where buffer may be const */
+#define lws_write_http(wsi, buf, len) \
+	lws_write(wsi, (unsigned char *)(buf), len, LWS_WRITE_HTTP)
+
+/* helper for multi-frame ws message flags */
+static LWS_INLINE int
+lws_write_ws_flags(int initial, int is_start, int is_end)
+{
+	int r;
+
+	if (is_start)
+		r = initial;
+	else
+		r = LWS_WRITE_CONTINUATION;
+
+	if (!is_end)
+		r |= LWS_WRITE_NO_FIN;
+
+	return r;
+}
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-writeable.h b/thirdparty/libwebsockets/include/libwebsockets/lws-writeable.h
new file mode 100644
index 0000000000..dd5659c3f0
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-writeable.h
@@ -0,0 +1,225 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup callback-when-writeable Callback when writeable
+ *
+ * ##Callback When Writeable
+ *
+ * lws can only write data on a connection when it is able to accept more
+ * data without blocking.
+ *
+ * So a basic requirement is we should only use the lws_write() apis when the
+ * connection we want to write on says that he can accept more data.
+ *
+ * When lws cannot complete your send at the time, it will buffer the data
+ * and send it in the background, suppressing any further WRITEABLE callbacks
+ * on that connection until it completes.  So it is important to write new
+ * things in a new writeable callback.
+ *
+ * These apis reflect the various ways we can indicate we would like to be
+ * called back when one or more connections is writeable.
+ */
+///@{
+
+/**
+ * lws_callback_on_writable() - Request a callback when this socket
+ *					 becomes able to be written to without
+ *					 blocking
+ *
+ * \param wsi:	Websocket connection instance to get callback for
+ *
+ * - Which:  only this wsi
+ * - When:   when the individual connection becomes writeable
+ * - What: LWS_CALLBACK_*_WRITEABLE
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_on_writable(struct lws *wsi);
+
+/**
+ * lws_callback_on_writable_all_protocol() - Request a callback for all
+ *			connections using the given protocol when it
+ *			becomes possible to write to each socket without
+ *			blocking in turn.
+ *
+ * \param context:	lws_context
+ * \param protocol:	Protocol whose connections will get callbacks
+ *
+ * - Which:  connections using this protocol on ANY VHOST
+ * - When:   when the individual connection becomes writeable
+ * - What: LWS_CALLBACK_*_WRITEABLE
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_on_writable_all_protocol(const struct lws_context *context,
+				      const struct lws_protocols *protocol);
+
+/**
+ * lws_callback_on_writable_all_protocol_vhost() - Request a callback for
+ *			all connections on same vhost using the given protocol
+ *			when it becomes possible to write to each socket without
+ *			blocking in turn.
+ *
+ * \param vhost:	Only consider connections on this lws_vhost
+ * \param protocol:	Protocol whose connections will get callbacks
+ *
+ * - Which:  connections using this protocol on GIVEN VHOST ONLY
+ * - When:   when the individual connection becomes writeable
+ * - What: LWS_CALLBACK_*_WRITEABLE
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_on_writable_all_protocol_vhost(const struct lws_vhost *vhost,
+				      const struct lws_protocols *protocol);
+
+/**
+ * lws_callback_all_protocol() - Callback all connections using
+ *				the given protocol with the given reason
+ *
+ * \param context:	lws_context
+ * \param protocol:	Protocol whose connections will get callbacks
+ * \param reason:	Callback reason index
+ *
+ * - Which:  connections using this protocol on ALL VHOSTS
+ * - When:   before returning
+ * - What:   reason
+ *
+ * This isn't normally what you want... normally any update of connection-
+ * specific information can wait until a network-related callback like rx,
+ * writable, or close.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_all_protocol(struct lws_context *context,
+			  const struct lws_protocols *protocol, int reason);
+
+/**
+ * lws_callback_all_protocol_vhost() - Callback all connections using
+ *			the given protocol with the given reason.  This is
+ *			deprecated since v2.4: use lws_callback_all_protocol_vhost_args
+ *
+ * \param vh:		Vhost whose connections will get callbacks
+ * \param protocol:	Which protocol to match.  NULL means all.
+ * \param reason:	Callback reason index
+ *
+ * - Which:  connections using this protocol on GIVEN VHOST ONLY
+ * - When:   now
+ * - What:   reason
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_all_protocol_vhost(struct lws_vhost *vh,
+				const struct lws_protocols *protocol,
+				int reason)
+LWS_WARN_DEPRECATED;
+
+/**
+ * lws_callback_all_protocol_vhost_args() - Callback all connections using
+ *			the given protocol with the given reason and args
+ *
+ * \param vh:		Vhost whose connections will get callbacks
+ * \param protocol:	Which protocol to match.  NULL means all.
+ * \param reason:	Callback reason index
+ * \param argp:		Callback "in" parameter
+ * \param len:		Callback "len" parameter
+ *
+ * - Which:  connections using this protocol on GIVEN VHOST ONLY
+ * - When:   now
+ * - What:   reason
+ */
+LWS_VISIBLE int
+lws_callback_all_protocol_vhost_args(struct lws_vhost *vh,
+				     const struct lws_protocols *protocol,
+				     int reason, void *argp, size_t len);
+
+/**
+ * lws_callback_vhost_protocols() - Callback all protocols enabled on a vhost
+ *					with the given reason
+ *
+ * \param wsi:	wsi whose vhost will get callbacks
+ * \param reason:	Callback reason index
+ * \param in:		in argument to callback
+ * \param len:	len argument to callback
+ *
+ * - Which:  connections using this protocol on same VHOST as wsi ONLY
+ * - When:   now
+ * - What:   reason
+ *
+ * This is deprecated since v2.5, use lws_callback_vhost_protocols_vhost()
+ * which takes the pointer to the vhost directly without using or needing the
+ * wsi.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_vhost_protocols(struct lws *wsi, int reason, void *in, int len)
+LWS_WARN_DEPRECATED;
+
+/**
+ * lws_callback_vhost_protocols_vhost() - Callback all protocols enabled on a vhost
+ *					with the given reason
+ *
+ * \param vh:		vhost that will get callbacks
+ * \param reason:	Callback reason index
+ * \param in:		in argument to callback
+ * \param len:		len argument to callback
+ *
+ * - Which:  connections using this protocol on same VHOST as wsi ONLY
+ * - When:   now
+ * - What:   reason
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_vhost_protocols_vhost(struct lws_vhost *vh, int reason, void *in,
+				   size_t len);
+
+LWS_VISIBLE LWS_EXTERN int
+lws_callback_http_dummy(struct lws *wsi, enum lws_callback_reasons reason,
+			void *user, void *in, size_t len);
+
+/**
+ * lws_get_socket_fd() - returns the socket file descriptor
+ *
+ * This is needed to use sendto() on UDP raw sockets
+ *
+ * \param wsi:	Websocket connection instance
+ */
+LWS_VISIBLE LWS_EXTERN lws_sockfd_type
+lws_get_socket_fd(struct lws *wsi);
+
+/**
+ * lws_get_peer_write_allowance() - get the amount of data writeable to peer
+ * 					if known
+ *
+ * \param wsi:	Websocket connection instance
+ *
+ * if the protocol does not have any guidance, returns -1.  Currently only
+ * http2 connections get send window information from this API.  But your code
+ * should use it so it can work properly with any protocol.
+ *
+ * If nonzero return is the amount of payload data the peer or intermediary has
+ * reported it has buffer space for.  That has NO relationship with the amount
+ * of buffer space your OS can accept on this connection for a write action.
+ *
+ * This number represents the maximum you could send to the peer or intermediary
+ * on this connection right now without the protocol complaining.
+ *
+ * lws manages accounting for send window updates and payload writes
+ * automatically, so this number reflects the situation at the peer or
+ * intermediary dynamically.
+ */
+LWS_VISIBLE LWS_EXTERN lws_fileofs_t
+lws_get_peer_write_allowance(struct lws *wsi);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-ws-close.h b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-close.h
new file mode 100644
index 0000000000..9721e29233
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-close.h
@@ -0,0 +1,124 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup wsclose Websocket Close
+ *
+ * ##Websocket close frame control
+ *
+ * When we close a ws connection, we can send a reason code and a short
+ * UTF-8 description back with the close packet.
+ */
+///@{
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+/** enum lws_close_status - RFC6455 close status codes */
+enum lws_close_status {
+	LWS_CLOSE_STATUS_NOSTATUS				=    0,
+	LWS_CLOSE_STATUS_NORMAL					= 1000,
+	/**< 1000 indicates a normal closure, meaning that the purpose for
+      which the connection was established has been fulfilled. */
+	LWS_CLOSE_STATUS_GOINGAWAY				= 1001,
+	/**< 1001 indicates that an endpoint is "going away", such as a server
+      going down or a browser having navigated away from a page. */
+	LWS_CLOSE_STATUS_PROTOCOL_ERR				= 1002,
+	/**< 1002 indicates that an endpoint is terminating the connection due
+      to a protocol error. */
+	LWS_CLOSE_STATUS_UNACCEPTABLE_OPCODE			= 1003,
+	/**< 1003 indicates that an endpoint is terminating the connection
+      because it has received a type of data it cannot accept (e.g., an
+      endpoint that understands only text data MAY send this if it
+      receives a binary message). */
+	LWS_CLOSE_STATUS_RESERVED				= 1004,
+	/**< Reserved.  The specific meaning might be defined in the future. */
+	LWS_CLOSE_STATUS_NO_STATUS				= 1005,
+	/**< 1005 is a reserved value and MUST NOT be set as a status code in a
+      Close control frame by an endpoint.  It is designated for use in
+      applications expecting a status code to indicate that no status
+      code was actually present. */
+	LWS_CLOSE_STATUS_ABNORMAL_CLOSE				= 1006,
+	/**< 1006 is a reserved value and MUST NOT be set as a status code in a
+      Close control frame by an endpoint.  It is designated for use in
+      applications expecting a status code to indicate that the
+      connection was closed abnormally, e.g., without sending or
+      receiving a Close control frame. */
+	LWS_CLOSE_STATUS_INVALID_PAYLOAD			= 1007,
+	/**< 1007 indicates that an endpoint is terminating the connection
+      because it has received data within a message that was not
+      consistent with the type of the message (e.g., non-UTF-8 [RFC3629]
+      data within a text message). */
+	LWS_CLOSE_STATUS_POLICY_VIOLATION			= 1008,
+	/**< 1008 indicates that an endpoint is terminating the connection
+      because it has received a message that violates its policy.  This
+      is a generic status code that can be returned when there is no
+      other more suitable status code (e.g., 1003 or 1009) or if there
+      is a need to hide specific details about the policy. */
+	LWS_CLOSE_STATUS_MESSAGE_TOO_LARGE			= 1009,
+	/**< 1009 indicates that an endpoint is terminating the connection
+      because it has received a message that is too big for it to
+      process. */
+	LWS_CLOSE_STATUS_EXTENSION_REQUIRED			= 1010,
+	/**< 1010 indicates that an endpoint (client) is terminating the
+      connection because it has expected the server to negotiate one or
+      more extension, but the server didn't return them in the response
+      message of the WebSocket handshake.  The list of extensions that
+      are needed SHOULD appear in the /reason/ part of the Close frame.
+      Note that this status code is not used by the server, because it
+      can fail the WebSocket handshake instead */
+	LWS_CLOSE_STATUS_UNEXPECTED_CONDITION			= 1011,
+	/**< 1011 indicates that a server is terminating the connection because
+      it encountered an unexpected condition that prevented it from
+      fulfilling the request. */
+	LWS_CLOSE_STATUS_TLS_FAILURE				= 1015,
+	/**< 1015 is a reserved value and MUST NOT be set as a status code in a
+      Close control frame by an endpoint.  It is designated for use in
+      applications expecting a status code to indicate that the
+      connection was closed due to a failure to perform a TLS handshake
+      (e.g., the server certificate can't be verified). */
+
+	LWS_CLOSE_STATUS_CLIENT_TRANSACTION_DONE		= 2000,
+
+	/****** add new things just above ---^ ******/
+
+	LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY		= 9999,
+};
+
+/**
+ * lws_close_reason - Set reason and aux data to send with Close packet
+ *		If you are going to return nonzero from the callback
+ *		requesting the connection to close, you can optionally
+ *		call this to set the reason the peer will be told if
+ *		possible.
+ *
+ * \param wsi:	The websocket connection to set the close reason on
+ * \param status:	A valid close status from websocket standard
+ * \param buf:	NULL or buffer containing up to 124 bytes of auxiliary data
+ * \param len:	Length of data in \param buf to send
+ */
+LWS_VISIBLE LWS_EXTERN void
+lws_close_reason(struct lws *wsi, enum lws_close_status status,
+		 unsigned char *buf, size_t len);
+
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-ws-ext.h b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-ext.h
new file mode 100644
index 0000000000..3face4f344
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-ext.h
@@ -0,0 +1,197 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/*! \defgroup extensions Extension related functions
+ * ##Extension releated functions
+ *
+ *  Ws defines optional extensions, lws provides the ability to implement these
+ *  in user code if so desired.
+ *
+ *  We provide one extensions permessage-deflate.
+ */
+///@{
+
+/*
+ * NOTE: These public enums are part of the abi.  If you want to add one,
+ * add it at where specified so existing users are unaffected.
+ */
+enum lws_extension_callback_reasons {
+	LWS_EXT_CB_CONSTRUCT				=  4,
+	LWS_EXT_CB_CLIENT_CONSTRUCT			=  5,
+	LWS_EXT_CB_DESTROY				=  8,
+	LWS_EXT_CB_PACKET_TX_PRESEND			= 12,
+	LWS_EXT_CB_PAYLOAD_TX				= 21,
+	LWS_EXT_CB_PAYLOAD_RX				= 22,
+	LWS_EXT_CB_OPTION_DEFAULT			= 23,
+	LWS_EXT_CB_OPTION_SET				= 24,
+	LWS_EXT_CB_OPTION_CONFIRM			= 25,
+	LWS_EXT_CB_NAMED_OPTION_SET			= 26,
+
+	/****** add new things just above ---^ ******/
+};
+
+/** enum lws_ext_options_types */
+enum lws_ext_options_types {
+	EXTARG_NONE, /**< does not take an argument */
+	EXTARG_DEC,  /**< requires a decimal argument */
+	EXTARG_OPT_DEC /**< may have an optional decimal argument */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+};
+
+/** struct lws_ext_options -	Option arguments to the extension.  These are
+ *				used in the negotiation at ws upgrade time.
+ *				The helper function lws_ext_parse_options()
+ *				uses these to generate callbacks */
+struct lws_ext_options {
+	const char *name; /**< Option name, eg, "server_no_context_takeover" */
+	enum lws_ext_options_types type; /**< What kind of args the option can take */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+};
+
+/** struct lws_ext_option_arg */
+struct lws_ext_option_arg {
+	const char *option_name; /**< may be NULL, option_index used then */
+	int option_index; /**< argument ordinal to use if option_name missing */
+	const char *start; /**< value */
+	int len; /**< length of value */
+};
+
+/**
+ * typedef lws_extension_callback_function() - Hooks to allow extensions to operate
+ * \param context:	Websockets context
+ * \param ext:	This extension
+ * \param wsi:	Opaque websocket instance pointer
+ * \param reason:	The reason for the call
+ * \param user:	Pointer to ptr to per-session user data allocated by library
+ * \param in:		Pointer used for some callback reasons
+ * \param len:	Length set for some callback reasons
+ *
+ *	Each extension that is active on a particular connection receives
+ *	callbacks during the connection lifetime to allow the extension to
+ *	operate on websocket data and manage itself.
+ *
+ *	Libwebsockets takes care of allocating and freeing "user" memory for
+ *	each active extension on each connection.  That is what is pointed to
+ *	by the user parameter.
+ *
+ *	LWS_EXT_CB_CONSTRUCT:  called when the server has decided to
+ *		select this extension from the list provided by the client,
+ *		just before the server will send back the handshake accepting
+ *		the connection with this extension active.  This gives the
+ *		extension a chance to initialize its connection context found
+ *		in user.
+ *
+ *	LWS_EXT_CB_CLIENT_CONSTRUCT: same as LWS_EXT_CB_CONSTRUCT
+ *		but called when client is instantiating this extension.  Some
+ *		extensions will work the same on client and server side and then
+ *		you can just merge handlers for both CONSTRUCTS.
+ *
+ *	LWS_EXT_CB_DESTROY:  called when the connection the extension was
+ *		being used on is about to be closed and deallocated.  It's the
+ *		last chance for the extension to deallocate anything it has
+ *		allocated in the user data (pointed to by user) before the
+ *		user data is deleted.  This same callback is used whether you
+ *		are in client or server instantiation context.
+ *
+ *	LWS_EXT_CB_PACKET_TX_PRESEND: this works the same way as
+ *		LWS_EXT_CB_PACKET_RX_PREPARSE above, except it gives the
+ *		extension a chance to change websocket data just before it will
+ *		be sent out.  Using the same lws_token pointer scheme in in,
+ *		the extension can change the buffer and the length to be
+ *		transmitted how it likes.  Again if it wants to grow the
+ *		buffer safely, it should copy the data into its own buffer and
+ *		set the lws_tokens token pointer to it.
+ *
+ *	LWS_EXT_CB_ARGS_VALIDATE:
+ */
+typedef int
+lws_extension_callback_function(struct lws_context *context,
+			      const struct lws_extension *ext, struct lws *wsi,
+			      enum lws_extension_callback_reasons reason,
+			      void *user, void *in, size_t len);
+
+/** struct lws_extension -	An extension we support */
+struct lws_extension {
+	const char *name; /**< Formal extension name, eg, "permessage-deflate" */
+	lws_extension_callback_function *callback; /**< Service callback */
+	const char *client_offer; /**< String containing exts and options client offers */
+
+	/* Add new things just above here ---^
+	 * This is part of the ABI, don't needlessly break compatibility */
+};
+
+/**
+ * lws_set_extension_option(): set extension option if possible
+ *
+ * \param wsi:	websocket connection
+ * \param ext_name:	name of ext, like "permessage-deflate"
+ * \param opt_name:	name of option, like "rx_buf_size"
+ * \param opt_val:	value to set option to
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_set_extension_option(struct lws *wsi, const char *ext_name,
+			 const char *opt_name, const char *opt_val);
+
+/**
+ * lws_ext_parse_options() - deal with parsing negotiated extension options
+ *
+ * \param ext: related extension struct
+ * \param wsi:	websocket connection
+ * \param ext_user: per-connection extension private data
+ * \param opts: list of supported options
+ * \param o: option string to parse
+ * \param len: length
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_ext_parse_options(const struct lws_extension *ext, struct lws *wsi,
+		      void *ext_user, const struct lws_ext_options *opts,
+		      const char *o, int len);
+
+/** lws_extension_callback_pm_deflate() - extension for RFC7692
+ *
+ * \param context:	lws context
+ * \param ext:	related lws_extension struct
+ * \param wsi:	websocket connection
+ * \param reason:	incoming callback reason
+ * \param user:	per-connection extension private data
+ * \param in:	pointer parameter
+ * \param len:	length parameter
+ *
+ * Built-in callback implementing RFC7692 permessage-deflate
+ */
+LWS_EXTERN int
+lws_extension_callback_pm_deflate(struct lws_context *context,
+				  const struct lws_extension *ext,
+				  struct lws *wsi,
+				  enum lws_extension_callback_reasons reason,
+				  void *user, void *in, size_t len);
+
+/*
+ * The internal exts are part of the public abi
+ * If we add more extensions, publish the callback here  ------v
+ */
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-ws-state.h b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-state.h
new file mode 100644
index 0000000000..3f65724a7a
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-ws-state.h
@@ -0,0 +1,92 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+/** \defgroup wsstatus Websocket status APIs
+ * ##Websocket connection status APIs
+ *
+ * These provide information about ws connection or message status
+ */
+///@{
+/**
+ * lws_send_pipe_choked() - tests if socket is writable or not
+ * \param wsi: lws connection
+ *
+ * Allows you to check if you can write more on the socket
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_send_pipe_choked(struct lws *wsi);
+
+/**
+ * lws_is_final_fragment() - tests if last part of ws message
+ *
+ * \param wsi: lws connection
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_is_final_fragment(struct lws *wsi);
+
+/**
+ * lws_is_first_fragment() - tests if first part of ws message
+ *
+ * \param wsi: lws connection
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_is_first_fragment(struct lws *wsi);
+
+/**
+ * lws_get_reserved_bits() - access reserved bits of ws frame
+ * \param wsi: lws connection
+ */
+LWS_VISIBLE LWS_EXTERN unsigned char
+lws_get_reserved_bits(struct lws *wsi);
+
+/**
+ * lws_partial_buffered() - find out if lws buffered the last write
+ * \param wsi:	websocket connection to check
+ *
+ * Returns 1 if you cannot use lws_write because the last
+ * write on this connection is still buffered, and can't be cleared without
+ * returning to the service loop and waiting for the connection to be
+ * writeable again.
+ *
+ * If you will try to do >1 lws_write call inside a single
+ * WRITEABLE callback, you must check this after every write and bail if
+ * set, ask for a new writeable callback and continue writing from there.
+ *
+ * This is never set at the start of a writeable callback, but any write
+ * may set it.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_partial_buffered(struct lws *wsi);
+
+/**
+ * lws_frame_is_binary(): true if the current frame was sent in binary mode
+ *
+ * \param wsi: the connection we are inquiring about
+ *
+ * This is intended to be called from the LWS_CALLBACK_RECEIVE callback if
+ * it's interested to see if the frame it's dealing with was sent in binary
+ * mode.
+ */
+LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
+lws_frame_is_binary(struct lws *wsi);
+///@}
diff --git a/thirdparty/libwebsockets/include/libwebsockets/lws-x509.h b/thirdparty/libwebsockets/include/libwebsockets/lws-x509.h
new file mode 100644
index 0000000000..f8e5cb0fad
--- /dev/null
+++ b/thirdparty/libwebsockets/include/libwebsockets/lws-x509.h
@@ -0,0 +1,177 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ * included from libwebsockets.h
+ */
+
+enum lws_tls_cert_info {
+	LWS_TLS_CERT_INFO_VALIDITY_FROM,
+	/**< fills .time with the time_t the cert validity started from */
+	LWS_TLS_CERT_INFO_VALIDITY_TO,
+	/**< fills .time with the time_t the cert validity ends at */
+	LWS_TLS_CERT_INFO_COMMON_NAME,
+	/**< fills up to len bytes of .ns.name with the cert common name */
+	LWS_TLS_CERT_INFO_ISSUER_NAME,
+	/**< fills up to len bytes of .ns.name with the cert issuer name */
+	LWS_TLS_CERT_INFO_USAGE,
+	/**< fills verified with a bitfield asserting the valid uses */
+	LWS_TLS_CERT_INFO_VERIFIED,
+	/**< fills .verified with a bool representing peer cert validity,
+	 *   call returns -1 if no cert */
+	LWS_TLS_CERT_INFO_OPAQUE_PUBLIC_KEY,
+	/**< the certificate's public key, as an opaque bytestream.  These
+	 * opaque bytestreams can only be compared with each other using the
+	 * same tls backend, ie, OpenSSL or mbedTLS.  The different backends
+	 * produce different, incompatible representations for the same cert.
+	 */
+};
+
+union lws_tls_cert_info_results {
+	unsigned int verified;
+	time_t time;
+	unsigned int usage;
+	struct {
+		int len;
+		/* KEEP LAST... notice the [64] is only there because
+		 * name[] is not allowed in a union.  The actual length of
+		 * name[] is arbitrary and is passed into the api using the
+		 * len parameter.  Eg
+		 *
+		 * char big[1024];
+		 * union lws_tls_cert_info_results *buf =
+		 * 	(union lws_tls_cert_info_results *)big;
+		 *
+		 * lws_tls_peer_cert_info(wsi, type, buf, sizeof(big) -
+		 *			  sizeof(*buf) + sizeof(buf->ns.name));
+		 */
+		char name[64];
+	} ns;
+};
+
+/**
+ * lws_tls_peer_cert_info() - get information from the peer's TLS cert
+ *
+ * \param wsi: the connection to query
+ * \param type: one of LWS_TLS_CERT_INFO_
+ * \param buf: pointer to union to take result
+ * \param len: when result is a string, the true length of buf->ns.name[]
+ *
+ * lws_tls_peer_cert_info() lets you get hold of information from the peer
+ * certificate.
+ *
+ * Return 0 if there is a result in \p buf, or -1 indicating there was no cert
+ * or another problem.
+ *
+ * This function works the same no matter if the TLS backend is OpenSSL or
+ * mbedTLS.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_tls_peer_cert_info(struct lws *wsi, enum lws_tls_cert_info type,
+		       union lws_tls_cert_info_results *buf, size_t len);
+
+/**
+ * lws_tls_vhost_cert_info() - get information from the vhost's own TLS cert
+ *
+ * \param vhost: the vhost to query
+ * \param type: one of LWS_TLS_CERT_INFO_
+ * \param buf: pointer to union to take result
+ * \param len: when result is a string, the true length of buf->ns.name[]
+ *
+ * lws_tls_vhost_cert_info() lets you get hold of information from the vhost
+ * certificate.
+ *
+ * Return 0 if there is a result in \p buf, or -1 indicating there was no cert
+ * or another problem.
+ *
+ * This function works the same no matter if the TLS backend is OpenSSL or
+ * mbedTLS.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_tls_vhost_cert_info(struct lws_vhost *vhost, enum lws_tls_cert_info type,
+		        union lws_tls_cert_info_results *buf, size_t len);
+
+/**
+ * lws_tls_acme_sni_cert_create() - creates a temp selfsigned cert
+ *				    and attaches to a vhost
+ *
+ * \param vhost: the vhost to acquire the selfsigned cert
+ * \param san_a: SAN written into the certificate
+ * \param san_b: second SAN written into the certificate
+ *
+ *
+ * Returns 0 if created and attached to the vhost.  Returns -1 if problems and
+ * frees all allocations before returning.
+ *
+ * On success, any allocations are destroyed at vhost destruction automatically.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_tls_acme_sni_cert_create(struct lws_vhost *vhost, const char *san_a,
+			     const char *san_b);
+
+/**
+ * lws_tls_acme_sni_csr_create() - creates a CSR and related private key PEM
+ *
+ * \param context: lws_context used for random
+ * \param elements: array of LWS_TLS_REQ_ELEMENT_COUNT const char *
+ * \param csr: buffer that will get the b64URL(ASN-1 CSR)
+ * \param csr_len: max length of the csr buffer
+ * \param privkey_pem: pointer to pointer allocated to hold the privkey_pem
+ * \param privkey_len: pointer to size_t set to the length of the privkey_pem
+ *
+ * Creates a CSR according to the information in \p elements, and a private
+ * RSA key used to sign the CSR.
+ *
+ * The outputs are the b64URL(ASN-1 CSR) into csr, and the PEM private key into
+ * privkey_pem.
+ *
+ * Notice that \p elements points to an array of const char *s pointing to the
+ * information listed in the enum above.  If an entry is NULL or an empty
+ * string, the element is set to "none" in the CSR.
+ *
+ * Returns 0 on success or nonzero for failure.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_tls_acme_sni_csr_create(struct lws_context *context, const char *elements[],
+			    uint8_t *csr, size_t csr_len, char **privkey_pem,
+			    size_t *privkey_len);
+
+/**
+ * lws_tls_cert_updated() - update every vhost using the given cert path
+ *
+ * \param context: our lws_context
+ * \param certpath: the filepath to the certificate
+ * \param keypath: the filepath to the private key of the certificate
+ * \param mem_cert: copy of the cert in memory
+ * \param len_mem_cert: length of the copy of the cert in memory
+ * \param mem_privkey: copy of the private key in memory
+ * \param len_mem_privkey: length of the copy of the private key in memory
+ *
+ * Checks every vhost to see if it is the using certificate described by the
+ * the given filepaths.  If so, it attempts to update the vhost ssl_ctx to use
+ * the new certificate.
+ *
+ * Returns 0 on success or nonzero for failure.
+ */
+LWS_VISIBLE LWS_EXTERN int
+lws_tls_cert_updated(struct lws_context *context, const char *certpath,
+		     const char *keypath,
+		     const char *mem_cert, size_t len_mem_cert,
+		     const char *mem_privkey, size_t len_mem_privkey);
+
diff --git a/thirdparty/libwebsockets/lws_config.h b/thirdparty/libwebsockets/include/lws_config.h
index 6ec3eed139..fdf02157cc 100644
--- a/thirdparty/libwebsockets/lws_config.h
+++ b/thirdparty/libwebsockets/include/lws_config.h
@@ -77,8 +77,10 @@
 /* #undef LWS_WITH_LIBEVENT */
 
 /* Build with support for ipv6 */
-/* #undef LWS_WITH_IPV6 */
+/* Everywhere, except in OpenBSD which does not support dual stacking */
+#if !defined(__OpenBSD__)
 #define LWS_WITH_IPV6
+#endif
 
 /* Build with support for UNIX domain socket */
 /* #undef LWS_WITH_UNIX_SOCK */
diff --git a/thirdparty/libwebsockets/ipv6_fixes.diff b/thirdparty/libwebsockets/ipv6_fixes.diff
new file mode 100644
index 0000000000..5fa1e5c520
--- /dev/null
+++ b/thirdparty/libwebsockets/ipv6_fixes.diff
@@ -0,0 +1,32 @@
+diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c b/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c
+index 693efd28e..192dddee6 100644
+--- a/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c
++++ b/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c
+@@ -73,6 +73,11 @@ lws_plat_set_socket_options(struct lws_vhost *vhost, int fd, int unix_skt)
+ 	int optval = 1;
+ 	socklen_t optlen = sizeof(optval);
+ 
++#ifdef LWS_WITH_IPV6
++	optval = 0;
++	setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&optval, optlen);
++#endif
++
+ #if defined(__APPLE__) || \
+     defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
+     defined(__NetBSD__) || \
+diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c b/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c
+index bf0935057..62a0a4984 100644
+--- a/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c
++++ b/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c
+@@ -56,6 +56,11 @@ lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd,
+ 	struct protoent *tcp_proto;
+ #endif
+ 
++#ifdef LWS_WITH_IPV6
++	optval = 0;
++	setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&optval, optlen);
++#endif
++
+ 	if (vhost->ka_time) {
+ 		/* enable keepalive on this socket */
+ 		optval = 1;
diff --git a/thirdparty/libwebsockets/lib/core/adopt.c b/thirdparty/libwebsockets/lib/core/adopt.c
new file mode 100644
index 0000000000..49ac5af161
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/core/adopt.c
@@ -0,0 +1,414 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include "core/private.h"
+
+
+static int
+lws_get_idlest_tsi(struct lws_context *context)
+{
+	unsigned int lowest = ~0;
+	int n = 0, hit = -1;
+
+	for (; n < context->count_threads; n++) {
+		if ((unsigned int)context->pt[n].fds_count !=
+		    context->fd_limit_per_thread - 1 &&
+		    (unsigned int)context->pt[n].fds_count < lowest) {
+			lowest = context->pt[n].fds_count;
+			hit = n;
+		}
+	}
+
+	return hit;
+}
+
+struct lws *
+lws_create_new_server_wsi(struct lws_vhost *vhost, int fixed_tsi)
+{
+	struct lws *new_wsi;
+	int n = fixed_tsi;
+
+	if (n < 0)
+		n = lws_get_idlest_tsi(vhost->context);
+
+	if (n < 0) {
+		lwsl_err("no space for new conn\n");
+		return NULL;
+	}
+
+	new_wsi = lws_zalloc(sizeof(struct lws), "new server wsi");
+	if (new_wsi == NULL) {
+		lwsl_err("Out of memory for new connection\n");
+		return NULL;
+	}
+
+	new_wsi->tsi = n;
+	lwsl_debug("new wsi %p joining vhost %s, tsi %d\n", new_wsi,
+		   vhost->name, new_wsi->tsi);
+
+	lws_vhost_bind_wsi(vhost, new_wsi);
+	new_wsi->context = vhost->context;
+	new_wsi->pending_timeout = NO_PENDING_TIMEOUT;
+	new_wsi->rxflow_change_to = LWS_RXFLOW_ALLOW;
+
+	/* initialize the instance struct */
+
+	lwsi_set_state(new_wsi, LRS_UNCONNECTED);
+	new_wsi->hdr_parsing_completed = 0;
+
+#ifdef LWS_WITH_TLS
+	new_wsi->tls.use_ssl = LWS_SSL_ENABLED(vhost);
+#endif
+
+	/*
+	 * these can only be set once the protocol is known
+	 * we set an un-established connection's protocol pointer
+	 * to the start of the supported list, so it can look
+	 * for matching ones during the handshake
+	 */
+	new_wsi->protocol = vhost->protocols;
+	new_wsi->user_space = NULL;
+	new_wsi->desc.sockfd = LWS_SOCK_INVALID;
+	new_wsi->position_in_fds_table = LWS_NO_FDS_POS;
+
+	vhost->context->count_wsi_allocated++;
+
+	/*
+	 * outermost create notification for wsi
+	 * no user_space because no protocol selection
+	 */
+	vhost->protocols[0].callback(new_wsi, LWS_CALLBACK_WSI_CREATE, NULL,
+				     NULL, 0);
+
+	return new_wsi;
+}
+
+
+/* if not a socket, it's a raw, non-ssl file descriptor */
+
+LWS_VISIBLE struct lws *
+lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
+			   lws_sock_file_fd_type fd, const char *vh_prot_name,
+			   struct lws *parent)
+{
+	struct lws_context *context = vh->context;
+	struct lws *new_wsi;
+	struct lws_context_per_thread *pt;
+	int n;
+
+#if defined(LWS_WITH_PEER_LIMITS)
+	struct lws_peer *peer = NULL;
+
+	if (type & LWS_ADOPT_SOCKET) {
+		peer = lws_get_or_create_peer(vh, fd.sockfd);
+
+		if (peer && context->ip_limit_wsi &&
+		    peer->count_wsi >= context->ip_limit_wsi) {
+			lwsl_notice("Peer reached wsi limit %d\n",
+					context->ip_limit_wsi);
+			lws_stats_atomic_bump(context, &context->pt[0],
+					      LWSSTATS_C_PEER_LIMIT_WSI_DENIED,
+					      1);
+			return NULL;
+		}
+	}
+#endif
+
+	n = -1;
+	if (parent)
+		n = parent->tsi;
+	new_wsi = lws_create_new_server_wsi(vh, n);
+	if (!new_wsi) {
+		if (type & LWS_ADOPT_SOCKET)
+			compatible_close(fd.sockfd);
+		return NULL;
+	}
+#if defined(LWS_WITH_PEER_LIMITS)
+	if (peer)
+		lws_peer_add_wsi(context, peer, new_wsi);
+#endif
+	pt = &context->pt[(int)new_wsi->tsi];
+	lws_stats_atomic_bump(context, pt, LWSSTATS_C_CONNECTIONS, 1);
+
+	if (parent) {
+		new_wsi->parent = parent;
+		new_wsi->sibling_list = parent->child_list;
+		parent->child_list = new_wsi;
+	}
+
+	new_wsi->desc = fd;
+
+	if (vh_prot_name) {
+		new_wsi->protocol = lws_vhost_name_to_protocol(new_wsi->vhost,
+							       vh_prot_name);
+		if (!new_wsi->protocol) {
+			lwsl_err("Protocol %s not enabled on vhost %s\n",
+				 vh_prot_name, new_wsi->vhost->name);
+			goto bail;
+		}
+		if (lws_ensure_user_space(new_wsi)) {
+		       lwsl_notice("OOM trying to get user_space\n");
+			goto bail;
+		}
+	}
+
+	if (!LWS_SSL_ENABLED(new_wsi->vhost) || !(type & LWS_ADOPT_SOCKET))
+		type &= ~LWS_ADOPT_ALLOW_SSL;
+
+	if (lws_role_call_adoption_bind(new_wsi, type, vh_prot_name)) {
+		lwsl_err("Unable to find a role that can adopt descriptor\n");
+		goto bail;
+	}
+
+	/*
+	 * A new connection was accepted. Give the user a chance to
+	 * set properties of the newly created wsi. There's no protocol
+	 * selected yet so we issue this to the vhosts's default protocol,
+	 * itself by default protocols[0]
+	 */
+	n = LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED;
+	if (!(type & LWS_ADOPT_HTTP)) {
+		if (!(type & LWS_ADOPT_SOCKET))
+			n = LWS_CALLBACK_RAW_ADOPT_FILE;
+		else
+			n = LWS_CALLBACK_RAW_ADOPT;
+	}
+
+	lwsl_debug("new wsi wsistate 0x%x\n", new_wsi->wsistate);
+
+	if (context->event_loop_ops->accept)
+		if (context->event_loop_ops->accept(new_wsi))
+			goto fail;
+
+	if (!(type & LWS_ADOPT_ALLOW_SSL)) {
+		lws_pt_lock(pt, __func__);
+		if (__insert_wsi_socket_into_fds(context, new_wsi)) {
+			lws_pt_unlock(pt);
+			lwsl_err("%s: fail inserting socket\n", __func__);
+			goto fail;
+		}
+		lws_pt_unlock(pt);
+	} else
+		if (lws_server_socket_service_ssl(new_wsi, fd.sockfd)) {
+			lwsl_info("%s: fail ssl negotiation\n", __func__);
+			goto fail;
+		}
+
+	/*
+	 *  by deferring callback to this point, after insertion to fds,
+	 * lws_callback_on_writable() can work from the callback
+	 */
+	if ((new_wsi->protocol->callback)(new_wsi, n, new_wsi->user_space,
+					  NULL, 0))
+		goto fail;
+
+	/* role may need to do something after all adoption completed */
+
+	lws_role_call_adoption_bind(new_wsi, type | _LWS_ADOPT_FINISH,
+				    vh_prot_name);
+
+	lws_cancel_service_pt(new_wsi);
+
+	return new_wsi;
+
+fail:
+	if (type & LWS_ADOPT_SOCKET)
+		lws_close_free_wsi(new_wsi, LWS_CLOSE_STATUS_NOSTATUS,
+				   "adopt skt fail");
+
+	return NULL;
+
+bail:
+       lwsl_notice("%s: exiting on bail\n", __func__);
+	if (parent)
+		parent->child_list = new_wsi->sibling_list;
+	if (new_wsi->user_space)
+		lws_free(new_wsi->user_space);
+
+	vh->context->count_wsi_allocated--;
+
+	lws_vhost_unbind_wsi(new_wsi);
+	lws_free(new_wsi);
+
+	compatible_close(fd.sockfd);
+
+	return NULL;
+}
+
+LWS_VISIBLE struct lws *
+lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd)
+{
+	lws_sock_file_fd_type fd;
+
+	fd.sockfd = accept_fd;
+	return lws_adopt_descriptor_vhost(vh, LWS_ADOPT_SOCKET |
+			LWS_ADOPT_HTTP | LWS_ADOPT_ALLOW_SSL, fd, NULL, NULL);
+}
+
+LWS_VISIBLE struct lws *
+lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd)
+{
+	return lws_adopt_socket_vhost(context->vhost_list, accept_fd);
+}
+
+/* Common read-buffer adoption for lws_adopt_*_readbuf */
+static struct lws*
+adopt_socket_readbuf(struct lws *wsi, const char *readbuf, size_t len)
+{
+	struct lws_context_per_thread *pt;
+	struct lws_pollfd *pfd;
+	int n;
+
+	if (!wsi)
+		return NULL;
+
+	if (!readbuf || len == 0)
+		return wsi;
+
+	if (wsi->position_in_fds_table == LWS_NO_FDS_POS)
+		return wsi;
+
+	pt = &wsi->context->pt[(int)wsi->tsi];
+
+	n = lws_buflist_append_segment(&wsi->buflist, (const uint8_t *)readbuf,
+				       len);
+	if (n < 0)
+		goto bail;
+	if (n)
+		lws_dll_lws_add_front(&wsi->dll_buflist, &pt->dll_head_buflist);
+
+	/*
+	 * we can't process the initial read data until we can attach an ah.
+	 *
+	 * if one is available, get it and place the data in his ah rxbuf...
+	 * wsi with ah that have pending rxbuf get auto-POLLIN service.
+	 *
+	 * no autoservice because we didn't get a chance to attach the
+	 * readbuf data to wsi or ah yet, and we will do it next if we get
+	 * the ah.
+	 */
+	if (wsi->http.ah || !lws_header_table_attach(wsi, 0)) {
+
+		lwsl_notice("%s: calling service on readbuf ah\n", __func__);
+
+		/*
+		 * unlike a normal connect, we have the headers already
+		 * (or the first part of them anyway).
+		 * libuv won't come back and service us without a network
+		 * event, so we need to do the header service right here.
+		 */
+		pfd = &pt->fds[wsi->position_in_fds_table];
+		pfd->revents |= LWS_POLLIN;
+		lwsl_err("%s: calling service\n", __func__);
+		if (lws_service_fd_tsi(wsi->context, pfd, wsi->tsi))
+			/* service closed us */
+			return NULL;
+
+		return wsi;
+	}
+	lwsl_err("%s: deferring handling ah\n", __func__);
+
+	return wsi;
+
+bail:
+	lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
+			   "adopt skt readbuf fail");
+
+	return NULL;
+}
+
+LWS_EXTERN struct lws *
+lws_create_adopt_udp(struct lws_vhost *vhost, int port, int flags,
+		     const char *protocol_name, struct lws *parent_wsi)
+{
+	lws_sock_file_fd_type sock;
+	struct addrinfo h, *r, *rp;
+	struct lws *wsi = NULL;
+	char buf[16];
+	int n;
+
+	memset(&h, 0, sizeof(h));
+	h.ai_family = AF_UNSPEC;    /* Allow IPv4 or IPv6 */
+	h.ai_socktype = SOCK_DGRAM;
+	h.ai_protocol = IPPROTO_UDP;
+	h.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
+
+	lws_snprintf(buf, sizeof(buf), "%u", port);
+	n = getaddrinfo(NULL, buf, &h, &r);
+	if (n) {
+		lwsl_info("%s: getaddrinfo error: %s\n", __func__,
+			  gai_strerror(n));
+		goto bail;
+	}
+
+	for (rp = r; rp; rp = rp->ai_next) {
+		sock.sockfd = socket(rp->ai_family, rp->ai_socktype,
+				     rp->ai_protocol);
+		if (sock.sockfd != LWS_SOCK_INVALID)
+			break;
+	}
+	if (!rp) {
+		lwsl_err("%s: unable to create INET socket\n", __func__);
+		goto bail1;
+	}
+
+	if ((flags & LWS_CAUDP_BIND) && bind(sock.sockfd, rp->ai_addr,
+#if defined(_WIN32)
+			    (int)rp->ai_addrlen
+#else
+			    rp->ai_addrlen
+#endif
+	   ) == -1) {
+		lwsl_err("%s: bind failed\n", __func__);
+		goto bail2;
+	}
+
+	wsi = lws_adopt_descriptor_vhost(vhost, LWS_ADOPT_RAW_SOCKET_UDP, sock,
+				        protocol_name, parent_wsi);
+	if (!wsi)
+		lwsl_err("%s: udp adoption failed\n", __func__);
+
+bail2:
+	if (!wsi)
+		compatible_close((int)sock.sockfd);
+bail1:
+	freeaddrinfo(r);
+
+bail:
+	return wsi;
+}
+
+LWS_VISIBLE struct lws *
+lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
+			 const char *readbuf, size_t len)
+{
+        return adopt_socket_readbuf(lws_adopt_socket(context, accept_fd),
+				    readbuf, len);
+}
+
+LWS_VISIBLE struct lws *
+lws_adopt_socket_vhost_readbuf(struct lws_vhost *vhost,
+			       lws_sockfd_type accept_fd,
+			       const char *readbuf, size_t len)
+{
+        return adopt_socket_readbuf(lws_adopt_socket_vhost(vhost, accept_fd),
+				    readbuf, len);
+}
diff --git a/thirdparty/libwebsockets/core/alloc.c b/thirdparty/libwebsockets/lib/core/alloc.c
index f169fc3767..f169fc3767 100644
--- a/thirdparty/libwebsockets/core/alloc.c
+++ b/thirdparty/libwebsockets/lib/core/alloc.c
diff --git a/thirdparty/libwebsockets/lib/core/connect.c b/thirdparty/libwebsockets/lib/core/connect.c
new file mode 100644
index 0000000000..daffc193c8
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/core/connect.c
@@ -0,0 +1,287 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include "core/private.h"
+
+void
+lws_client_stash_destroy(struct lws *wsi)
+{
+	if (!wsi || !wsi->stash)
+		return;
+
+	lws_free_set_NULL(wsi->stash->address);
+	lws_free_set_NULL(wsi->stash->path);
+	lws_free_set_NULL(wsi->stash->host);
+	lws_free_set_NULL(wsi->stash->origin);
+	lws_free_set_NULL(wsi->stash->protocol);
+	lws_free_set_NULL(wsi->stash->method);
+	lws_free_set_NULL(wsi->stash->iface);
+	lws_free_set_NULL(wsi->stash->alpn);
+
+	lws_free_set_NULL(wsi->stash);
+}
+
+LWS_VISIBLE struct lws *
+lws_client_connect_via_info(const struct lws_client_connect_info *i)
+{
+	struct lws *wsi, *safe = NULL;
+	const struct lws_protocols *p;
+	const char *local = i->protocol;
+#if LWS_MAX_SMP > 1
+	int n, tid;
+#endif
+
+	if (i->context->requested_kill)
+		return NULL;
+
+	if (!i->context->protocol_init_done)
+		lws_protocol_init(i->context);
+	/*
+	 * If we have .local_protocol_name, use it to select the local protocol
+	 * handler to bind to.  Otherwise use .protocol if http[s].
+	 */
+	if (i->local_protocol_name)
+		local = i->local_protocol_name;
+
+	/* PHASE 1: create a bare wsi */
+
+	wsi = lws_zalloc(sizeof(struct lws), "client wsi");
+	if (wsi == NULL)
+		goto bail;
+
+	wsi->context = i->context;
+	wsi->desc.sockfd = LWS_SOCK_INVALID;
+
+	wsi->vhost = NULL;
+	if (!i->vhost)
+		lws_vhost_bind_wsi(i->context->vhost_list, wsi);
+	else
+		lws_vhost_bind_wsi(i->vhost, wsi);
+
+	if (!wsi->vhost) {
+		lwsl_err("%s: No vhost in the context\n", __func__);
+
+		goto bail;
+	}
+
+	/*
+	 * PHASE 2: if SMP, bind the client to whatever tsi the current thread
+	 * represents
+	 */
+
+#if LWS_MAX_SMP > 1
+	tid = wsi->vhost->protocols[0].callback(wsi, LWS_CALLBACK_GET_THREAD_ID,
+						NULL, NULL, 0);
+
+	lws_context_lock(i->context, "client find tsi");
+
+	for (n = 0; n < i->context->count_threads; n++)
+		if (i->context->pt[n].service_tid == tid) {
+			lwsl_info("%s: client binds to caller tsi %d\n",
+				  __func__, n);
+			wsi->tsi = n;
+			break;
+		}
+
+	/*
+	 * this binding is sort of provisional, since when we try to insert
+	 * into the pt fds, there may be no space and it will fail
+	 */
+
+	lws_context_unlock(i->context);
+#endif
+
+	/*
+	 * PHASE 3: Choose an initial role for the wsi and do role-specific init
+	 *
+	 * Note the initial role may not reflect the final role, eg,
+	 * we may want ws, but first we have to go through h1 to get that
+	 */
+
+	lws_role_call_client_bind(wsi, i);
+
+	/*
+	 * PHASE 4: fill up the wsi with stuff from the connect_info as far as
+	 * it can go.  It's uncertain because not only is our connection
+	 * going to complete asynchronously, we might have bound to h1 and not
+	 * even be able to get ahold of an ah immediately.
+	 */
+
+	wsi->user_space = NULL;
+	wsi->pending_timeout = NO_PENDING_TIMEOUT;
+	wsi->position_in_fds_table = LWS_NO_FDS_POS;
+	wsi->c_port = i->port;
+
+	wsi->protocol = &wsi->vhost->protocols[0];
+	wsi->client_pipeline = !!(i->ssl_connection & LCCSCF_PIPELINE);
+
+	/*
+	 * PHASE 5: handle external user_space now, generic alloc is done in
+	 * role finalization
+	 */
+
+	if (!wsi->user_space && i->userdata) {
+		wsi->user_space_externally_allocated = 1;
+		wsi->user_space = i->userdata;
+	}
+
+	if (local) {
+		lwsl_info("%s: protocol binding to %s\n", __func__, local);
+		p = lws_vhost_name_to_protocol(wsi->vhost, local);
+		if (p)
+			lws_bind_protocol(wsi, p, __func__);
+	}
+
+	/*
+	 * PHASE 5: handle external user_space now, generic alloc is done in
+	 * role finalization
+	 */
+
+	if (!wsi->user_space && i->userdata) {
+		wsi->user_space_externally_allocated = 1;
+		wsi->user_space = i->userdata;
+	}
+
+#if defined(LWS_WITH_TLS)
+	wsi->tls.use_ssl = i->ssl_connection;
+#else
+	if (i->ssl_connection & LCCSCF_USE_SSL) {
+		lwsl_err("%s: lws not configured for tls\n", __func__);
+		goto bail;
+	}
+#endif
+
+	/*
+	 * PHASE 6: stash the things from connect_info that we can't process
+	 * right now, eg, if http binding, without an ah.  If h1 and no ah, we
+	 * will go on the ah waiting list and process those things later (after
+	 * the connect_info and maybe the things pointed to have gone out of
+	 * scope)
+	 *
+	 * However these things are stashed in a generic way at this point,
+	 * with no relationship to http or ah
+	 */
+
+	wsi->stash = lws_zalloc(sizeof(*wsi->stash), "client stash");
+	if (!wsi->stash) {
+		lwsl_err("%s: OOM\n", __func__);
+		goto bail1;
+	}
+
+	wsi->stash->address = lws_strdup(i->address);
+	wsi->stash->path = lws_strdup(i->path);
+	wsi->stash->host = lws_strdup(i->host);
+
+	if (!wsi->stash->address || !wsi->stash->path || !wsi->stash->host)
+		goto bail1;
+
+	if (i->origin) {
+		wsi->stash->origin = lws_strdup(i->origin);
+		if (!wsi->stash->origin)
+			goto bail1;
+	}
+	if (i->protocol) {
+		wsi->stash->protocol = lws_strdup(i->protocol);
+		if (!wsi->stash->protocol)
+			goto bail1;
+	}
+	if (i->method) {
+		wsi->stash->method = lws_strdup(i->method);
+		if (!wsi->stash->method)
+			goto bail1;
+	}
+	if (i->iface) {
+		wsi->stash->iface = lws_strdup(i->iface);
+		if (!wsi->stash->iface)
+			goto bail1;
+	}
+	if (i->alpn) {
+		wsi->stash->alpn = lws_strdup(i->alpn);
+		if (!wsi->stash->alpn)
+			goto bail1;
+	}
+
+	/*
+	 * at this point user callbacks like
+	 * LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER will be interested to
+	 * know the parent... eg for proxying we can grab extra headers from
+	 * the parent's incoming ah and add them to the child client handshake
+	 */
+
+	if (i->parent_wsi) {
+		lwsl_info("%s: created child %p of parent %p\n", __func__,
+			  wsi, i->parent_wsi);
+		wsi->parent = i->parent_wsi;
+		safe = wsi->sibling_list = i->parent_wsi->child_list;
+		i->parent_wsi->child_list = wsi;
+	}
+
+	/*
+	 * PHASE 7: Do any role-specific finalization processing.  We can still
+	 * see important info things via wsi->stash
+	 */
+
+	if (wsi->role_ops->client_bind) {
+		int n = wsi->role_ops->client_bind(wsi, NULL);
+
+		if (n && i->parent_wsi) {
+			/* unpick from parent */
+
+			i->parent_wsi->child_list = safe;
+		}
+
+		if (n < 0)
+			/* we didn't survive, wsi is freed */
+			goto bail2;
+
+		if (n)
+			/* something else failed, wsi needs freeing */
+			goto bail;
+	}
+
+	/* let the caller's optional wsi storage have the wsi we created */
+
+	if (i->pwsi)
+		*i->pwsi = wsi;
+
+
+#if defined(LWS_WITH_HUBBUB)
+	if (i->uri_replace_to)
+		wsi->http.rw = lws_rewrite_create(wsi, html_parser_cb,
+					     i->uri_replace_from,
+					     i->uri_replace_to);
+#endif
+
+	return wsi;
+
+bail1:
+	lws_client_stash_destroy(wsi);
+
+bail:
+	lws_free(wsi);
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
+bail2:
+#endif
+	if (i->pwsi)
+		*i->pwsi = NULL;
+
+	return NULL;
+}
diff --git a/thirdparty/libwebsockets/core/context.c b/thirdparty/libwebsockets/lib/core/context.c
index 7be004df33..94b2d86339 100644
--- a/thirdparty/libwebsockets/core/context.c
+++ b/thirdparty/libwebsockets/lib/core/context.c
@@ -35,6 +35,9 @@ const struct lws_role_ops *available_roles[] = {
 #if defined(LWS_ROLE_WS)
 	&role_ops_ws,
 #endif
+#if defined(LWS_ROLE_DBUS)
+	&role_ops_dbus,
+#endif
 	NULL
 };
 
@@ -86,6 +89,57 @@ lws_role_call_alpn_negotiated(struct lws *wsi, const char *alpn)
 	return 0;
 }
 
+#if !defined(LWS_WITHOUT_SERVER)
+int
+lws_role_call_adoption_bind(struct lws *wsi, int type, const char *prot)
+{
+	LWS_FOR_EVERY_AVAILABLE_ROLE_START(ar)
+		if (ar->adoption_bind)
+			if (ar->adoption_bind(wsi, type, prot))
+				return 0;
+	LWS_FOR_EVERY_AVAILABLE_ROLE_END;
+
+	/* fall back to raw socket role if, eg, h1 not configured */
+
+	if (role_ops_raw_skt.adoption_bind &&
+	    role_ops_raw_skt.adoption_bind(wsi, type, prot))
+		return 0;
+
+	/* fall back to raw file role if, eg, h1 not configured */
+
+	if (role_ops_raw_file.adoption_bind &&
+	    role_ops_raw_file.adoption_bind(wsi, type, prot))
+		return 0;
+
+	return 1;
+}
+#endif
+
+#if !defined(LWS_WITHOUT_CLIENT)
+int
+lws_role_call_client_bind(struct lws *wsi,
+			  const struct lws_client_connect_info *i)
+{
+	LWS_FOR_EVERY_AVAILABLE_ROLE_START(ar)
+		if (ar->client_bind) {
+			int m = ar->client_bind(wsi, i);
+			if (m < 0)
+				return m;
+			if (m)
+				return 0;
+		}
+	LWS_FOR_EVERY_AVAILABLE_ROLE_END;
+
+	/* fall back to raw socket role if, eg, h1 not configured */
+
+	if (role_ops_raw_skt.client_bind &&
+	    role_ops_raw_skt.client_bind(wsi, i))
+		return 0;
+
+	return 1;
+}
+#endif
+
 static const char * const mount_protocols[] = {
 	"http://",
 	"https://",
@@ -263,8 +317,10 @@ lws_protocol_init(struct lws_context *context)
 					(void *)pvo, 0)) {
 				lws_free(vh->protocol_vh_privs[n]);
 				vh->protocol_vh_privs[n] = NULL;
-				lwsl_err("%s: protocol %s failed init\n", __func__,
-					 vh->protocols[n].name);
+				lwsl_err("%s: protocol %s failed init\n",
+					 __func__, vh->protocols[n].name);
+
+				return 1;
 			}
 		}
 
@@ -286,229 +342,6 @@ next:
 	return 0;
 }
 
-LWS_VISIBLE int
-lws_callback_http_dummy(struct lws *wsi, enum lws_callback_reasons reason,
-		    void *user, void *in, size_t len)
-{
-	struct lws_ssl_info *si;
-#ifdef LWS_WITH_CGI
-	struct lws_cgi_args *args;
-#endif
-#if defined(LWS_WITH_CGI) || defined(LWS_WITH_HTTP_PROXY)
-	char buf[512];
-	int n;
-#endif
-
-	switch (reason) {
-#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
-	case LWS_CALLBACK_HTTP:
-#ifndef LWS_NO_SERVER
-		if (lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND, NULL))
-			return -1;
-
-		if (lws_http_transaction_completed(wsi))
-#endif
-			return -1;
-		break;
-#if !defined(LWS_NO_SERVER)
-	case LWS_CALLBACK_HTTP_FILE_COMPLETION:
-		if (lws_http_transaction_completed(wsi))
-			return -1;
-		break;
-#endif
-
-	case LWS_CALLBACK_HTTP_WRITEABLE:
-#ifdef LWS_WITH_CGI
-		if (wsi->reason_bf & (LWS_CB_REASON_AUX_BF__CGI_HEADERS |
-				      LWS_CB_REASON_AUX_BF__CGI)) {
-			n = lws_cgi_write_split_stdout_headers(wsi);
-			if (n < 0) {
-				lwsl_debug("AUX_BF__CGI forcing close\n");
-				return -1;
-			}
-			if (!n)
-				lws_rx_flow_control(
-					wsi->http.cgi->stdwsi[LWS_STDOUT], 1);
-
-			if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__CGI_HEADERS)
-				wsi->reason_bf &=
-					~LWS_CB_REASON_AUX_BF__CGI_HEADERS;
-			else
-				wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__CGI;
-			break;
-		}
-
-		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__CGI_CHUNK_END) {
-			if (!wsi->http2_substream) {
-				memcpy(buf + LWS_PRE, "0\x0d\x0a\x0d\x0a", 5);
-				lwsl_debug("writing chunk term and exiting\n");
-				n = lws_write(wsi, (unsigned char *)buf +
-						   LWS_PRE, 5, LWS_WRITE_HTTP);
-			} else
-				n = lws_write(wsi, (unsigned char *)buf +
-						   LWS_PRE, 0,
-						   LWS_WRITE_HTTP_FINAL);
-
-			/* always close after sending it */
-			return -1;
-		}
-#endif
-#if defined(LWS_WITH_HTTP_PROXY)
-		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__PROXY) {
-			char *px = buf + LWS_PRE;
-			int lenx = sizeof(buf) - LWS_PRE;
-
-			/*
-			 * our sink is writeable and our source has something
-			 * to read.  So read a lump of source material of
-			 * suitable size to send or what's available, whichever
-			 * is the smaller.
-			 */
-			wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__PROXY;
-			if (!lws_get_child(wsi))
-				break;
-			if (lws_http_client_read(lws_get_child(wsi), &px,
-						 &lenx) < 0)
-				return -1;
-			break;
-		}
-#endif
-		break;
-
-#if defined(LWS_WITH_HTTP_PROXY)
-	case LWS_CALLBACK_RECEIVE_CLIENT_HTTP:
-		assert(lws_get_parent(wsi));
-		if (!lws_get_parent(wsi))
-			break;
-		lws_get_parent(wsi)->reason_bf |= LWS_CB_REASON_AUX_BF__PROXY;
-		lws_callback_on_writable(lws_get_parent(wsi));
-		break;
-
-	case LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ:
-		assert(lws_get_parent(wsi));
-		n = lws_write(lws_get_parent(wsi), (unsigned char *)in,
-				len, LWS_WRITE_HTTP);
-		if (n < 0)
-			return -1;
-		break;
-
-	case LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP: {
-		unsigned char *p, *end;
-		char ctype[64], ctlen = 0;
-	
-		p = (unsigned char *)buf + LWS_PRE;
-		end = p + sizeof(buf) - LWS_PRE;
-
-		if (lws_add_http_header_status(lws_get_parent(wsi),
-					       HTTP_STATUS_OK, &p, end))
-			return 1;
-		if (lws_add_http_header_by_token(lws_get_parent(wsi),
-				WSI_TOKEN_HTTP_SERVER,
-			    	(unsigned char *)"libwebsockets",
-				13, &p, end))
-			return 1;
-
-		ctlen = lws_hdr_copy(wsi, ctype, sizeof(ctype),
-				     WSI_TOKEN_HTTP_CONTENT_TYPE);
-		if (ctlen > 0) {
-			if (lws_add_http_header_by_token(lws_get_parent(wsi),
-				WSI_TOKEN_HTTP_CONTENT_TYPE,
-				(unsigned char *)ctype, ctlen, &p, end))
-				return 1;
-		}
-
-		if (lws_finalize_http_header(lws_get_parent(wsi), &p, end))
-			return 1;
-
-		*p = '\0';
-		n = lws_write(lws_get_parent(wsi),
-			      (unsigned char *)buf + LWS_PRE,
-			      p - ((unsigned char *)buf + LWS_PRE),
-			      LWS_WRITE_HTTP_HEADERS);
-		if (n < 0)
-			return -1;
-
-		break; }
-
-#endif
-
-#ifdef LWS_WITH_CGI
-	/* CGI IO events (POLLIN/OUT) appear here, our default policy is:
-	 *
-	 *  - POST data goes on subprocess stdin
-	 *  - subprocess stdout goes on http via writeable callback
-	 *  - subprocess stderr goes to the logs
-	 */
-	case LWS_CALLBACK_CGI:
-		args = (struct lws_cgi_args *)in;
-		switch (args->ch) { /* which of stdin/out/err ? */
-		case LWS_STDIN:
-			/* TBD stdin rx flow control */
-			break;
-		case LWS_STDOUT:
-			/* quench POLLIN on STDOUT until MASTER got writeable */
-			lws_rx_flow_control(args->stdwsi[LWS_STDOUT], 0);
-			wsi->reason_bf |= LWS_CB_REASON_AUX_BF__CGI;
-			/* when writing to MASTER would not block */
-			lws_callback_on_writable(wsi);
-			break;
-		case LWS_STDERR:
-			n = lws_get_socket_fd(args->stdwsi[LWS_STDERR]);
-			if (n < 0)
-				break;
-			n = read(n, buf, sizeof(buf) - 2);
-			if (n > 0) {
-				if (buf[n - 1] != '\n')
-					buf[n++] = '\n';
-				buf[n] = '\0';
-				lwsl_notice("CGI-stderr: %s\n", buf);
-			}
-			break;
-		}
-		break;
-
-	case LWS_CALLBACK_CGI_TERMINATED:
-		lwsl_debug("LWS_CALLBACK_CGI_TERMINATED: %d %" PRIu64 "\n",
-				wsi->http.cgi->explicitly_chunked,
-				(uint64_t)wsi->http.cgi->content_length);
-		if (!wsi->http.cgi->explicitly_chunked &&
-		    !wsi->http.cgi->content_length) {
-			/* send terminating chunk */
-			lwsl_debug("LWS_CALLBACK_CGI_TERMINATED: ending\n");
-			wsi->reason_bf |= LWS_CB_REASON_AUX_BF__CGI_CHUNK_END;
-			lws_callback_on_writable(wsi);
-			lws_set_timeout(wsi, PENDING_TIMEOUT_CGI, 3);
-			break;
-		}
-		return -1;
-
-	case LWS_CALLBACK_CGI_STDIN_DATA:  /* POST body for stdin */
-		args = (struct lws_cgi_args *)in;
-		args->data[args->len] = '\0';
-		n = lws_get_socket_fd(args->stdwsi[LWS_STDIN]);
-		if (n < 0)
-			return -1;
-		n = write(n, args->data, args->len);
-		if (n < args->len)
-			lwsl_notice("LWS_CALLBACK_CGI_STDIN_DATA: "
-				    "sent %d only %d went", n, args->len);
-		return n;
-#endif
-#endif
-	case LWS_CALLBACK_SSL_INFO:
-		si = in;
-
-		(void)si;
-		lwsl_notice("LWS_CALLBACK_SSL_INFO: where: 0x%x, ret: 0x%x\n",
-			    si->where, si->ret);
-		break;
-
-	default:
-		break;
-	}
-
-	return 0;
-}
 
 /* list of supported protocols and callbacks */
 
@@ -534,9 +367,6 @@ static const struct lws_protocols protocols_dummy[] = {
 #undef LWS_HAVE_GETENV
 #endif
 
-static void
-lws_vhost_destroy2(struct lws_vhost *vh);
-
 LWS_VISIBLE struct lws_vhost *
 lws_create_vhost(struct lws_context *context,
 		 const struct lws_context_creation_info *info)
@@ -595,6 +425,8 @@ lws_create_vhost(struct lws_context *context,
 	vh->pvo = info->pvo;
 	vh->headers = info->headers;
 	vh->user = info->user;
+	vh->finalize = info->finalize;
+	vh->finalize_arg = info->finalize_arg;
 
 	LWS_FOR_EVERY_AVAILABLE_ROLE_START(ar)
 		if (ar->init_vhost)
@@ -630,10 +462,12 @@ lws_create_vhost(struct lws_context *context,
 		n += (int)strlen(info->ssl_private_key_filepath) + 1;
 
 	if (n) {
-		vh->tls.key_path = vh->tls.alloc_cert_path = lws_malloc(n, "vh paths");
+		vh->tls.key_path = vh->tls.alloc_cert_path =
+					lws_malloc(n, "vh paths");
 		if (info->ssl_cert_filepath) {
 			n = (int)strlen(info->ssl_cert_filepath) + 1;
-			memcpy(vh->tls.alloc_cert_path, info->ssl_cert_filepath, n);
+			memcpy(vh->tls.alloc_cert_path,
+			       info->ssl_cert_filepath, n);
 			vh->tls.key_path += n;
 		}
 		if (info->ssl_private_key_filepath)
@@ -648,7 +482,7 @@ lws_create_vhost(struct lws_context *context,
 	 */
 	lwsp = lws_zalloc(sizeof(struct lws_protocols) * (vh->count_protocols +
 				   context->plugin_protocol_count + 1),
-				   "vhost-specific plugin table");
+			  "vhost-specific plugin table");
 	if (!lwsp) {
 		lwsl_err("OOM\n");
 		return NULL;
@@ -699,15 +533,15 @@ lws_create_vhost(struct lws_context *context,
 		lws_free(lwsp);
 	}
 
-	vh->same_vh_protocol_list = (struct lws **)
-			lws_zalloc(sizeof(struct lws *) * vh->count_protocols,
-				   "same vh list");
+	vh->same_vh_protocol_heads = (struct lws_dll_lws *)
+			lws_zalloc(sizeof(struct lws_dll_lws) *
+				   vh->count_protocols, "same vh list");
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 	vh->http.mount_list = info->mounts;
 #endif
 
 #ifdef LWS_WITH_UNIX_SOCK
-	if (LWS_UNIX_SOCK_ENABLED(context)) {
+	if (LWS_UNIX_SOCK_ENABLED(vh)) {
 		lwsl_notice("Creating Vhost '%s' path \"%s\", %d protocols\n",
 				vh->name, vh->iface, vh->count_protocols);
 	} else
@@ -725,8 +559,8 @@ lws_create_vhost(struct lws_context *context,
 			break;
 		}
 		lwsl_notice("Creating Vhost '%s' %s, %d protocols, IPv6 %s\n",
-				vh->name, buf, vh->count_protocols,
-				LWS_IPV6_ENABLED(vh) ? "on" : "off");
+			    vh->name, buf, vh->count_protocols,
+			    LWS_IPV6_ENABLED(vh) ? "on" : "off");
 	}
 	mounts = info->mounts;
 	while (mounts) {
@@ -833,7 +667,7 @@ lws_create_vhost(struct lws_context *context,
 		lwsl_err("%s: lws_context_init_client_ssl failed\n", __func__);
 		goto bail1;
 	}
-	lws_context_lock(context);
+	lws_context_lock(context, "create_vhost");
 	n = _lws_vhost_init_server(info, vh);
 	lws_context_unlock(context);
 	if (n < 0) {
@@ -841,7 +675,6 @@ lws_create_vhost(struct lws_context *context,
 		goto bail1;
 	}
 
-
 	while (1) {
 		if (!(*vh1)) {
 			*vh1 = vh;
@@ -862,7 +695,6 @@ lws_create_vhost(struct lws_context *context,
 
 bail1:
 	lws_vhost_destroy(vh);
-	lws_vhost_destroy2(vh);
 
 	return NULL;
 
@@ -927,7 +759,7 @@ lws_create_event_pipes(struct lws_context *context)
 
 		wsi = lws_zalloc(sizeof(*wsi), "event pipe wsi");
 		if (!wsi) {
-			lwsl_err("Out of mem\n");
+			lwsl_err("%s: Out of mem\n", __func__);
 			return 1;
 		}
 		wsi->context = context;
@@ -955,7 +787,8 @@ lws_create_event_pipes(struct lws_context *context)
 		lwsl_debug("event pipe fd %d\n", wsi->desc.sockfd);
 
 		if (context->event_loop_ops->accept)
-			context->event_loop_ops->accept(wsi);
+			if (context->event_loop_ops->accept(wsi))
+				return 1;
 
 		if (__insert_wsi_socket_into_fds(context, wsi))
 			return 1;
@@ -973,6 +806,7 @@ lws_destroy_event_pipe(struct lws *wsi)
 	if (wsi->context->event_loop_ops->wsi_logical_close) {
 		wsi->context->event_loop_ops->wsi_logical_close(wsi);
 		lws_plat_pipe_close(wsi);
+		wsi->context->count_wsi_allocated--;
 		return;
 	}
 
@@ -996,13 +830,8 @@ lws_create_context(const struct lws_context_creation_info *info)
 	struct rlimit rt;
 #endif
 
-
-
 	lwsl_info("Initial logging level %d\n", log_level);
 	lwsl_info("Libwebsockets version: %s\n", library_version);
-#if defined(GCC_VER)
-	lwsl_info("Compiled with  %s\n", GCC_VER);
-#endif
 
 #ifdef LWS_WITH_IPV6
 	if (!lws_check_opt(info->options, LWS_SERVER_OPTION_DISABLE_IPV6))
@@ -1053,7 +882,7 @@ lws_create_context(const struct lws_context_creation_info *info)
 #endif
 
 #if LWS_MAX_SMP > 1
-	pthread_mutex_init(&context->lock, NULL);
+	lws_mutex_refcount_init(&context->mr);
 #endif
 
 #if defined(LWS_WITH_ESP32)
@@ -1213,7 +1042,11 @@ lws_create_context(const struct lws_context_creation_info *info)
 	if (info->max_http_header_pool)
 		context->max_http_header_pool = info->max_http_header_pool;
 	else
-		context->max_http_header_pool = context->max_fds;
+		if (info->max_http_header_pool2)
+			context->max_http_header_pool =
+					info->max_http_header_pool2;
+		else
+			context->max_http_header_pool = context->max_fds;
 
 	if (info->fd_limit_per_thread)
 		context->fd_limit_per_thread = info->fd_limit_per_thread;
@@ -1251,16 +1084,17 @@ lws_create_context(const struct lws_context_creation_info *info)
 		return NULL;
 	}
 
-
 #if defined(LWS_WITH_PEER_LIMITS)
 	/* scale the peer hash table according to the max fds for the process,
 	 * so that the max list depth averages 16.  Eg, 1024 fd -> 64,
 	 * 102400 fd -> 6400
 	 */
+
 	context->pl_hash_elements =
 		(context->count_threads * context->fd_limit_per_thread) / 16;
 	context->pl_hash_table = lws_zalloc(sizeof(struct lws_peer *) *
 			context->pl_hash_elements, "peer limits hash table");
+
 	context->ip_limit_ah = info->ip_limit_ah;
 	context->ip_limit_wsi = info->ip_limit_wsi;
 #endif
@@ -1404,7 +1238,6 @@ LWS_VISIBLE LWS_EXTERN void
 lws_context_deprecate(struct lws_context *context, lws_reload_func cb)
 {
 	struct lws_vhost *vh = context->vhost_list, *vh1;
-	struct lws *wsi;
 
 	/*
 	 * "deprecation" means disable the context from accepting any new
@@ -1418,7 +1251,8 @@ lws_context_deprecate(struct lws_context *context, lws_reload_func cb)
 	/* for each vhost, close his listen socket */
 
 	while (vh) {
-		wsi = vh->lserv_wsi;
+		struct lws *wsi = vh->lserv_wsi;
+
 		if (wsi) {
 			wsi->socket_is_permanently_unusable = 1;
 			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "ctx deprecate");
@@ -1450,24 +1284,29 @@ lws_context_is_deprecated(struct lws_context *context)
 void
 lws_vhost_destroy1(struct lws_vhost *vh)
 {
-	const struct lws_protocols *protocol = NULL;
-	struct lws_context_per_thread *pt;
-	int n, m = vh->context->count_threads;
 	struct lws_context *context = vh->context;
-	struct lws wsi;
 
 	lwsl_info("%s\n", __func__);
 
+	lws_context_lock(context, "vhost destroy 1"); /* ---------- context { */
+
 	if (vh->being_destroyed)
-		return;
+		goto out;
+
+	lws_vhost_lock(vh); /* -------------- vh { */
 
 	vh->being_destroyed = 1;
 
 	/*
+	 * PHASE 1: take down or reassign any listen wsi
+	 *
 	 * Are there other vhosts that are piggybacking on our listen socket?
 	 * If so we need to hand the listen socket off to one of the others
-	 * so it will remain open.  If not, leave it attached to the closing
-	 * vhost and it will get closed.
+	 * so it will remain open.
+	 *
+	 * If not, leave it attached to the closing vhost, the vh being marked
+	 * being_destroyed will defeat any service and it will get closed in
+	 * later phases.
 	 */
 
 	if (vh->lserv_wsi)
@@ -1488,46 +1327,48 @@ lws_vhost_destroy1(struct lws_vhost *vh)
 				 */
 				assert(v->lserv_wsi == NULL);
 				v->lserv_wsi = vh->lserv_wsi;
-				vh->lserv_wsi = NULL;
-				if (v->lserv_wsi)
-					v->lserv_wsi->vhost = v;
 
 				lwsl_notice("%s: listen skt from %s to %s\n",
 					    __func__, vh->name, v->name);
+
+				if (v->lserv_wsi) {
+					lws_vhost_unbind_wsi(vh->lserv_wsi);
+					lws_vhost_bind_wsi(v, v->lserv_wsi);
+				}
+
 				break;
 			}
 		} lws_end_foreach_ll(v, vhost_next);
 
+	lws_vhost_unlock(vh); /* } vh -------------- */
+
 	/*
-	 * Forcibly close every wsi assoicated with this vhost.  That will
-	 * include the listen socket if it is still associated with the closing
-	 * vhost.
+	 * lws_check_deferred_free() will notice there is a vhost that is
+	 * marked for destruction during the next 1s, for all tsi.
+	 *
+	 * It will start closing all wsi on this vhost.  When the last wsi
+	 * is closed, it will trigger lws_vhost_destroy2()
 	 */
 
-	while (m--) {
-		pt = &context->pt[m];
-
-		for (n = 0; (unsigned int)n < context->pt[m].fds_count; n++) {
-			struct lws *wsi = wsi_from_fd(context, pt->fds[n].fd);
-			if (!wsi)
-				continue;
-			if (wsi->vhost != vh)
-				continue;
+out:
+	lws_context_unlock(context); /* --------------------------- context { */
+}
 
-			lws_close_free_wsi(wsi,
-				LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY,
-				"vh destroy"
-				/* no protocol close */);
-			n--;
-		}
-	}
+void
+__lws_vhost_destroy2(struct lws_vhost *vh)
+{
+	const struct lws_protocols *protocol = NULL;
+	struct lws_context *context = vh->context;
+	struct lws_deferred_free *df;
+	struct lws wsi;
+	int n;
 
 	/*
 	 * destroy any pending timed events
 	 */
 
 	while (vh->timed_vh_protocol_list)
-		lws_timed_callback_remove(vh, vh->timed_vh_protocol_list);
+		__lws_timed_callback_remove(vh, vh->timed_vh_protocol_list);
 
 	/*
 	 * let the protocols destroy the per-vhost protocol objects
@@ -1535,7 +1376,7 @@ lws_vhost_destroy1(struct lws_vhost *vh)
 
 	memset(&wsi, 0, sizeof(wsi));
 	wsi.context = vh->context;
-	wsi.vhost = vh;
+	wsi.vhost = vh; /* not a real bound wsi */
 	protocol = vh->protocols;
 	if (protocol && vh->created_vhost_protocols) {
 		n = 0;
@@ -1563,15 +1404,6 @@ lws_vhost_destroy1(struct lws_vhost *vh)
 
 	vh->vhost_next = vh->context->vhost_pending_destruction_list;
 	vh->context->vhost_pending_destruction_list = vh;
-}
-
-static void
-lws_vhost_destroy2(struct lws_vhost *vh)
-{
-	const struct lws_protocols *protocol = NULL;
-	struct lws_context *context = vh->context;
-	struct lws_deferred_free *df;
-	int n;
 
 	lwsl_info("%s: %p\n", __func__, vh);
 
@@ -1617,7 +1449,7 @@ lws_vhost_destroy2(struct lws_vhost *vh)
 	if (vh->protocol_vh_privs)
 		lws_free(vh->protocol_vh_privs);
 	lws_ssl_SSL_CTX_destroy(vh);
-	lws_free(vh->same_vh_protocol_list);
+	lws_free(vh->same_vh_protocol_heads);
 
 	if (context->plugin_list ||
 	    (context->options & LWS_SERVER_OPTION_EXPLICIT_VHOSTS))
@@ -1642,7 +1474,7 @@ lws_vhost_destroy2(struct lws_vhost *vh)
 #endif
 
 #if defined(LWS_WITH_UNIX_SOCK)
-	if (LWS_UNIX_SOCK_ENABLED(context)) {
+	if (LWS_UNIX_SOCK_ENABLED(vh)) {
 		n = unlink(vh->iface);
 		if (n)
 			lwsl_info("Closing unix socket %s: errno %d\n",
@@ -1655,31 +1487,74 @@ lws_vhost_destroy2(struct lws_vhost *vh)
 	 * they do not refer to the vhost.  So it's safe to free.
 	 */
 
+	if (vh->finalize)
+		vh->finalize(vh, vh->finalize_arg);
+
 	lwsl_info("  %s: Freeing vhost %p\n", __func__, vh);
 
 	memset(vh, 0, sizeof(*vh));
 	lws_free(vh);
 }
 
+/*
+ * each service thread calls this once a second or so
+ */
+
 int
-lws_check_deferred_free(struct lws_context *context, int force)
+lws_check_deferred_free(struct lws_context *context, int tsi, int force)
 {
-	struct lws_deferred_free *df;
-	time_t now = lws_now_secs();
+	struct lws_context_per_thread *pt;
+	int n;
 
-	lws_start_foreach_llp(struct lws_deferred_free **, pdf,
-			      context->deferred_free_list) {
-		if (force ||
-		    lws_compare_time_t(context, now, (*pdf)->deadline) > 5) {
-			df = *pdf;
-			*pdf = df->next;
-			/* finalize vh destruction */
-			lwsl_notice("deferred vh %p destroy\n", df->payload);
-			lws_vhost_destroy2(df->payload);
-			lws_free(df);
-			continue; /* after deletion we already point to next */
+	/*
+	 * If we see a vhost is being destroyed, forcibly close every wsi on
+	 * this tsi associated with this vhost.  That will include the listen
+	 * socket if it is still associated with the closing vhost.
+	 *
+	 * For SMP, we do this once per tsi per destroyed vhost.  The reference
+	 * counting on the vhost as the bound wsi close will notice that there
+	 * are no bound wsi left, that vhost destruction can complete,
+	 * and perform it.  It doesn't matter which service thread does that
+	 * because there is nothing left using the vhost to conflict.
+	 */
+
+	lws_context_lock(context, "check deferred free"); /* ------ context { */
+
+	lws_start_foreach_ll_safe(struct lws_vhost *, v, context->vhost_list, vhost_next) {
+		if (v->being_destroyed
+#if LWS_MAX_SMP > 1
+			&& !v->close_flow_vs_tsi[tsi]
+#endif
+		) {
+
+			pt = &context->pt[tsi];
+
+			lws_pt_lock(pt, "vhost removal"); /* -------------- pt { */
+
+#if LWS_MAX_SMP > 1
+			v->close_flow_vs_tsi[tsi] = 1;
+#endif
+
+			for (n = 0; (unsigned int)n < pt->fds_count; n++) {
+				struct lws *wsi = wsi_from_fd(context, pt->fds[n].fd);
+				if (!wsi)
+					continue;
+				if (wsi->vhost != v)
+					continue;
+
+				__lws_close_free_wsi(wsi,
+					LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY,
+					"vh destroy"
+					/* no protocol close */);
+				n--;
+			}
+
+			lws_pt_unlock(pt); /* } pt -------------- */
 		}
-	} lws_end_foreach_llp(pdf, next);
+	} lws_end_foreach_ll_safe(v);
+
+
+	lws_context_unlock(context); /* } context ------------------- */
 
 	return 0;
 }
@@ -1688,18 +1563,38 @@ LWS_VISIBLE void
 lws_vhost_destroy(struct lws_vhost *vh)
 {
 	struct lws_deferred_free *df = lws_malloc(sizeof(*df), "deferred free");
+	struct lws_context *context = vh->context;
 
 	if (!df)
 		return;
 
+	lws_context_lock(context, __func__); /* ------ context { */
+
 	lws_vhost_destroy1(vh);
 
+	if (!vh->count_bound_wsi) {
+		/*
+		 * After listen handoff, there are already no wsi bound to this
+		 * vhost by any pt: nothing can be servicing any wsi belonging
+		 * to it any more.
+		 *
+		 * Finalize the vh destruction immediately
+		 */
+		__lws_vhost_destroy2(vh);
+		lws_free(df);
+
+		goto out;
+	}
+
 	/* part 2 is deferred to allow all the handle closes to complete */
 
 	df->next = vh->context->deferred_free_list;
 	df->deadline = lws_now_secs();
 	df->payload = vh;
 	vh->context->deferred_free_list = df;
+
+out:
+	lws_context_unlock(context); /* } context ------------------- */
 }
 
 /*
@@ -1733,11 +1628,12 @@ static void
 lws_context_destroy3(struct lws_context *context)
 {
 	struct lws_context **pcontext_finalize = context->pcontext_finalize;
-	struct lws_context_per_thread *pt;
 	int n;
 
 	for (n = 0; n < context->count_threads; n++) {
-		pt = &context->pt[n];
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
+		struct lws_context_per_thread *pt = &context->pt[n];
+#endif
 
 		if (context->event_loop_ops->destroy_pt)
 			context->event_loop_ops->destroy_pt(context, n);
@@ -1750,6 +1646,9 @@ lws_context_destroy3(struct lws_context *context)
 #endif
 	}
 
+	if (context->pt[0].fds)
+		lws_free_set_NULL(context->pt[0].fds);
+
 	lws_free(context);
 	lwsl_info("%s: ctx %p freed\n", __func__, context);
 
@@ -1768,14 +1667,12 @@ lws_context_destroy2(struct lws_context *context)
 #if defined(LWS_WITH_PEER_LIMITS)
 	uint32_t nu;
 #endif
-	int n;
 
 	lwsl_info("%s: ctx %p\n", __func__, context);
 
-	context->being_destroyed2 = 1;
+	lws_context_lock(context, "context destroy 2"); /* ------ context { */
 
-	if (context->pt[0].fds)
-		lws_free_set_NULL(context->pt[0].fds);
+	context->being_destroyed2 = 1;
 
 	/*
 	 * free all the per-vhost allocations
@@ -1784,7 +1681,7 @@ lws_context_destroy2(struct lws_context *context)
 	vh = context->vhost_list;
 	while (vh) {
 		vh1 = vh->vhost_next;
-		lws_vhost_destroy2(vh);
+		__lws_vhost_destroy2(vh);
 		vh = vh1;
 	}
 
@@ -1792,7 +1689,7 @@ lws_context_destroy2(struct lws_context *context)
 
 	while (context->vhost_pending_destruction_list)
 		/* removes itself from list */
-		lws_vhost_destroy2(context->vhost_pending_destruction_list);
+		__lws_vhost_destroy2(context->vhost_pending_destruction_list);
 
 
 	lws_stats_log_dump(context);
@@ -1816,22 +1713,29 @@ lws_context_destroy2(struct lws_context *context)
 	if (context->external_baggage_free_on_destroy)
 		free(context->external_baggage_free_on_destroy);
 
-	lws_check_deferred_free(context, 1);
+	lws_check_deferred_free(context, 0, 1);
 
 #if LWS_MAX_SMP > 1
-	pthread_mutex_destroy(&context->lock);
+	lws_mutex_refcount_destroy(&context->mr);
 #endif
 
 	if (context->event_loop_ops->destroy_context2)
 		if (context->event_loop_ops->destroy_context2(context)) {
+			lws_context_unlock(context); /* } context ----------- */
 			context->finalize_destroy_after_internal_loops_stopped = 1;
 			return;
 		}
 
-	if (!context->pt[0].event_loop_foreign)
+	if (!context->pt[0].event_loop_foreign) {
+		int n;
 		for (n = 0; n < context->count_threads; n++)
-			if (context->pt[n].inside_service)
+			if (context->pt[n].inside_service) {
+				lws_context_unlock(context); /* } context --- */
 				return;
+			}
+	}
+
+	lws_context_unlock(context); /* } context ------------------- */
 
 	lws_context_destroy3(context);
 }
@@ -1845,7 +1749,6 @@ lws_context_destroy(struct lws_context *context)
 {
 	volatile struct lws_foreign_thread_pollfd *ftp, *next;
 	volatile struct lws_context_per_thread *vpt;
-	struct lws_context_per_thread *pt;
 	struct lws_vhost *vh = NULL;
 	struct lws wsi;
 	int n, m;
@@ -1891,7 +1794,7 @@ lws_context_destroy(struct lws_context *context)
 #endif
 
 	while (m--) {
-		pt = &context->pt[m];
+		struct lws_context_per_thread *pt = &context->pt[m];
 		vpt = (volatile struct lws_context_per_thread *)pt;
 
 		ftp = vpt->foreign_pfd_list;
diff --git a/thirdparty/libwebsockets/lib/core/dummy-callback.c b/thirdparty/libwebsockets/lib/core/dummy-callback.c
new file mode 100644
index 0000000000..8fd18be9c5
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/core/dummy-callback.c
@@ -0,0 +1,611 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include "core/private.h"
+
+#if defined(LWS_WITH_HTTP_PROXY)
+static int
+proxy_header(struct lws *wsi, struct lws *par, unsigned char *temp,
+	     int temp_len, int index, unsigned char **p, unsigned char *end)
+{
+	int n = lws_hdr_total_length(par, index);
+
+	if (n < 1) {
+		lwsl_debug("%s: no index %d:\n", __func__, index);
+		return 0;
+	}
+
+	if (lws_hdr_copy(par, (char *)temp, temp_len, index) < 0)
+		return -1;
+
+	lwsl_debug("%s: index %d: %s\n", __func__, index, (char *)temp);
+
+	if (lws_add_http_header_by_token(wsi, index, temp, n, p, end))
+		return -1;
+
+	return 0;
+}
+
+static int
+stream_close(struct lws *wsi)
+{
+	char buf[LWS_PRE + 6], *out = buf + LWS_PRE;
+
+	if (wsi->http.did_stream_close)
+		return 0;
+
+	wsi->http.did_stream_close = 1;
+
+	if (wsi->http2_substream) {
+		if (lws_write(wsi, (unsigned char *)buf + LWS_PRE, 0,
+			      LWS_WRITE_HTTP_FINAL) < 0) {
+			lwsl_info("%s: COMPL_CLIENT_HTTP: h2 fin wr failed\n",
+				  __func__);
+
+			return -1;
+		}
+	} else {
+		*out++ = '0';
+		*out++ = '\x0d';
+		*out++ = '\x0a';
+		*out++ = '\x0d';
+		*out++ = '\x0a';
+
+		if (lws_write(wsi, (unsigned char *)buf + LWS_PRE, 5,
+			      LWS_WRITE_HTTP_FINAL) < 0) {
+			lwsl_err("%s: COMPL_CLIENT_HTTP: "
+				 "h2 final write failed\n", __func__);
+
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+#endif
+
+LWS_VISIBLE int
+lws_callback_http_dummy(struct lws *wsi, enum lws_callback_reasons reason,
+			void *user, void *in, size_t len)
+{
+	struct lws_ssl_info *si;
+#ifdef LWS_WITH_CGI
+	struct lws_cgi_args *args;
+#endif
+#if defined(LWS_WITH_CGI) || defined(LWS_WITH_HTTP_PROXY)
+	char buf[8192];
+	int n;
+#endif
+#if defined(LWS_WITH_HTTP_PROXY)
+	unsigned char **p, *end;
+	struct lws *parent;
+#endif
+
+	switch (reason) {
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
+	case LWS_CALLBACK_HTTP:
+#ifndef LWS_NO_SERVER
+		if (lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND, NULL))
+			return -1;
+
+		if (lws_http_transaction_completed(wsi))
+#endif
+			return -1;
+		break;
+#if !defined(LWS_NO_SERVER)
+	case LWS_CALLBACK_HTTP_BODY_COMPLETION:
+	case LWS_CALLBACK_HTTP_FILE_COMPLETION:
+		if (lws_http_transaction_completed(wsi))
+			return -1;
+		break;
+#endif
+
+	case LWS_CALLBACK_HTTP_WRITEABLE:
+#ifdef LWS_WITH_CGI
+		if (wsi->reason_bf & (LWS_CB_REASON_AUX_BF__CGI_HEADERS |
+				      LWS_CB_REASON_AUX_BF__CGI)) {
+			n = lws_cgi_write_split_stdout_headers(wsi);
+			if (n < 0) {
+				lwsl_debug("AUX_BF__CGI forcing close\n");
+				return -1;
+			}
+			if (!n)
+				lws_rx_flow_control(
+					wsi->http.cgi->stdwsi[LWS_STDOUT], 1);
+
+			if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__CGI_HEADERS)
+				wsi->reason_bf &=
+					~LWS_CB_REASON_AUX_BF__CGI_HEADERS;
+			else
+				wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__CGI;
+
+			if (wsi->http.cgi && wsi->http.cgi->cgi_transaction_over)
+				return -1;
+			break;
+		}
+
+		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__CGI_CHUNK_END) {
+			if (!wsi->http2_substream) {
+				memcpy(buf + LWS_PRE, "0\x0d\x0a\x0d\x0a", 5);
+				lwsl_debug("writing chunk term and exiting\n");
+				n = lws_write(wsi, (unsigned char *)buf +
+						   LWS_PRE, 5, LWS_WRITE_HTTP);
+			} else
+				n = lws_write(wsi, (unsigned char *)buf +
+						   LWS_PRE, 0,
+						   LWS_WRITE_HTTP_FINAL);
+
+			/* always close after sending it */
+			return -1;
+		}
+#endif
+#if defined(LWS_WITH_HTTP_PROXY)
+
+		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__PROXY_HEADERS) {
+
+			wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__PROXY_HEADERS;
+
+			lwsl_debug("%s: %p: issuing proxy headers\n",
+				    __func__, wsi);
+			n = lws_write(wsi, wsi->http.pending_return_headers +
+					   LWS_PRE,
+				      wsi->http.pending_return_headers_len,
+				      LWS_WRITE_HTTP_HEADERS);
+
+			lws_free_set_NULL(wsi->http.pending_return_headers);
+
+			if (n < 0) {
+				lwsl_err("%s: EST_CLIENT_HTTP: write failed\n",
+					 __func__);
+				return -1;
+			}
+			lws_callback_on_writable(wsi);
+			break;
+		}
+
+		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__PROXY) {
+			char *px = buf + LWS_PRE;
+			int lenx = sizeof(buf) - LWS_PRE - 32;
+
+			/*
+			 * our sink is writeable and our source has something
+			 * to read.  So read a lump of source material of
+			 * suitable size to send or what's available, whichever
+			 * is the smaller.
+			 */
+			wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__PROXY;
+			if (!lws_get_child(wsi))
+				break;
+
+			/* this causes LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ */
+			if (lws_http_client_read(lws_get_child(wsi), &px,
+						 &lenx) < 0) {
+				lwsl_info("%s: LWS_CB_REASON_AUX_BF__PROXY: "
+					   "client closed\n", __func__);
+
+				stream_close(wsi);
+
+				return -1;
+			}
+			break;
+		}
+
+		if (wsi->reason_bf & LWS_CB_REASON_AUX_BF__PROXY_TRANS_END) {
+			lwsl_info("%s: LWS_CB_REASON_AUX_BF__PROXY_TRANS_END\n",
+				   __func__);
+
+			wsi->reason_bf &= ~LWS_CB_REASON_AUX_BF__PROXY_TRANS_END;
+
+			if (stream_close(wsi))
+				return -1;
+
+			if (lws_http_transaction_completed(wsi))
+				return -1;
+		}
+#endif
+		break;
+
+#if defined(LWS_WITH_HTTP_PROXY)
+	case LWS_CALLBACK_RECEIVE_CLIENT_HTTP:
+		assert(lws_get_parent(wsi));
+		if (!lws_get_parent(wsi))
+			break;
+		lws_get_parent(wsi)->reason_bf |= LWS_CB_REASON_AUX_BF__PROXY;
+		lws_callback_on_writable(lws_get_parent(wsi));
+		break;
+
+	case LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ: {
+		char *out = buf + LWS_PRE;
+
+		assert(lws_get_parent(wsi));
+
+		if (wsi->http.proxy_parent_chunked) {
+
+			if (len > sizeof(buf) - LWS_PRE - 16) {
+				lwsl_err("oversize buf %d %d\n", (int)len,
+						(int)sizeof(buf) - LWS_PRE - 16);
+				return -1;
+			}
+
+			/*
+			 * this only needs dealing with on http/1.1 to allow
+			 * pipelining
+			 */
+			n = lws_snprintf(out, 14, "%X\x0d\x0a", (int)len);
+			out += n;
+			memcpy(out, in, len);
+			out += len;
+			*out++ = '\x0d';
+			*out++ = '\x0a';
+
+			n = lws_write(lws_get_parent(wsi),
+				      (unsigned char *)buf + LWS_PRE,
+				      len + n + 2, LWS_WRITE_HTTP);
+		} else
+			n = lws_write(lws_get_parent(wsi), (unsigned char *)in,
+				      len, LWS_WRITE_HTTP);
+		if (n < 0)
+			return -1;
+		break; }
+
+
+	/* this handles the proxy case... */
+	case LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP: {
+		unsigned char *start, *p, *end;
+
+		/*
+		 * We want to proxy these headers, but we are being called
+		 * at the point the onward client was established, which is
+		 * unrelated to the state or writability of our proxy
+		 * connection.
+		 *
+		 * Therefore produce the headers using the onward client ah
+		 * while we have it, and stick them on the output buflist to be
+		 * written on the proxy connection as soon as convenient.
+		 */
+
+		parent = lws_get_parent(wsi);
+
+		if (!parent)
+			return 0;
+
+		start = p = (unsigned char *)buf + LWS_PRE;
+		end = p + sizeof(buf) - LWS_PRE - 256;
+
+		if (lws_add_http_header_status(lws_get_parent(wsi),
+				lws_http_client_http_response(wsi), &p, end))
+			return 1;
+
+		/*
+		 * copy these headers from the client connection to the parent
+		 */
+
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_CONTENT_LENGTH, &p, end);
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_CONTENT_TYPE, &p, end);
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_ETAG, &p, end);
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_ACCEPT_LANGUAGE, &p, end);
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_CONTENT_ENCODING, &p, end);
+		proxy_header(parent, wsi, end, 256,
+				WSI_TOKEN_HTTP_CACHE_CONTROL, &p, end);
+
+		if (!parent->http2_substream)
+			if (lws_add_http_header_by_token(parent,
+				WSI_TOKEN_CONNECTION, (unsigned char *)"close",
+				5, &p, end))
+			return -1;
+
+		/*
+		 * We proxy using h1 only atm, and strip any chunking so it
+		 * can go back out on h2 just fine.
+		 *
+		 * However if we are actually going out on h1, we need to add
+		 * our own chunking since we still don't know the size.
+		 */
+
+		if (!parent->http2_substream &&
+		    !lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH)) {
+			lwsl_debug("downstream parent chunked\n");
+			if (lws_add_http_header_by_token(parent,
+					WSI_TOKEN_HTTP_TRANSFER_ENCODING,
+					(unsigned char *)"chunked", 7, &p, end))
+				return -1;
+
+			wsi->http.proxy_parent_chunked = 1;
+		}
+
+		if (lws_finalize_http_header(parent, &p, end))
+			return 1;
+
+		parent->http.pending_return_headers_len =
+					lws_ptr_diff(p, start);
+		parent->http.pending_return_headers =
+			lws_malloc(parent->http.pending_return_headers_len +
+				    LWS_PRE, "return proxy headers");
+		if (!parent->http.pending_return_headers)
+			return -1;
+
+		memcpy(parent->http.pending_return_headers + LWS_PRE, start,
+		       parent->http.pending_return_headers_len);
+
+		parent->reason_bf |= LWS_CB_REASON_AUX_BF__PROXY_HEADERS;
+
+		lwsl_debug("%s: LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP: "
+			   "prepared headers\n", __func__);
+		lws_callback_on_writable(parent);
+
+		break; }
+
+	case LWS_CALLBACK_COMPLETED_CLIENT_HTTP:
+		lwsl_info("%s: COMPLETED_CLIENT_HTTP: %p (parent %p)\n",
+					__func__, wsi, lws_get_parent(wsi));
+		if (!lws_get_parent(wsi))
+			break;
+		lws_get_parent(wsi)->reason_bf |=
+				LWS_CB_REASON_AUX_BF__PROXY_TRANS_END;
+		lws_callback_on_writable(lws_get_parent(wsi));
+		break;
+
+	case LWS_CALLBACK_CLOSED_CLIENT_HTTP:
+		if (!lws_get_parent(wsi))
+			break;
+		lwsl_err("%s: LWS_CALLBACK_CLOSED_CLIENT_HTTP\n", __func__);
+		lws_set_timeout(lws_get_parent(wsi), LWS_TO_KILL_ASYNC,
+				PENDING_TIMEOUT_KILLED_BY_PROXY_CLIENT_CLOSE);
+		break;
+
+	case LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER:
+		parent = lws_get_parent(wsi);
+
+		if (!parent)
+			break;
+
+		p = (unsigned char **)in;
+		end = (*p) + len;
+
+		/*
+		 * copy these headers from the parent request to the client
+		 * connection's request
+		 */
+
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HOST, p, end);
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HTTP_ETAG, p, end);
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HTTP_IF_MODIFIED_SINCE, p, end);
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HTTP_ACCEPT_LANGUAGE, p, end);
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HTTP_ACCEPT_ENCODING, p, end);
+		proxy_header(wsi, parent, (unsigned char *)buf, sizeof(buf),
+				WSI_TOKEN_HTTP_CACHE_CONTROL, p, end);
+
+		buf[0] = '\0';
+		lws_get_peer_simple(parent, buf, sizeof(buf));
+		if (lws_add_http_header_by_token(wsi, WSI_TOKEN_X_FORWARDED_FOR,
+				(unsigned char *)buf, (int)strlen(buf), p, end))
+			return -1;
+
+		break;
+
+#endif
+
+#ifdef LWS_WITH_CGI
+	/* CGI IO events (POLLIN/OUT) appear here, our default policy is:
+	 *
+	 *  - POST data goes on subprocess stdin
+	 *  - subprocess stdout goes on http via writeable callback
+	 *  - subprocess stderr goes to the logs
+	 */
+	case LWS_CALLBACK_CGI:
+		args = (struct lws_cgi_args *)in;
+		switch (args->ch) { /* which of stdin/out/err ? */
+		case LWS_STDIN:
+			/* TBD stdin rx flow control */
+			break;
+		case LWS_STDOUT:
+			/* quench POLLIN on STDOUT until MASTER got writeable */
+			lws_rx_flow_control(args->stdwsi[LWS_STDOUT], 0);
+			wsi->reason_bf |= LWS_CB_REASON_AUX_BF__CGI;
+			/* when writing to MASTER would not block */
+			lws_callback_on_writable(wsi);
+			break;
+		case LWS_STDERR:
+			n = lws_get_socket_fd(args->stdwsi[LWS_STDERR]);
+			if (n < 0)
+				break;
+			n = read(n, buf, sizeof(buf) - 2);
+			if (n > 0) {
+				if (buf[n - 1] != '\n')
+					buf[n++] = '\n';
+				buf[n] = '\0';
+				lwsl_notice("CGI-stderr: %s\n", buf);
+			}
+			break;
+		}
+		break;
+
+	case LWS_CALLBACK_CGI_TERMINATED:
+		lwsl_debug("LWS_CALLBACK_CGI_TERMINATED: %d %" PRIu64 "\n",
+				wsi->http.cgi->explicitly_chunked,
+				(uint64_t)wsi->http.cgi->content_length);
+		if (!wsi->http.cgi->explicitly_chunked &&
+		    !wsi->http.cgi->content_length) {
+			/* send terminating chunk */
+			lwsl_debug("LWS_CALLBACK_CGI_TERMINATED: ending\n");
+			wsi->reason_bf |= LWS_CB_REASON_AUX_BF__CGI_CHUNK_END;
+			lws_callback_on_writable(wsi);
+			lws_set_timeout(wsi, PENDING_TIMEOUT_CGI, 3);
+			break;
+		}
+		return -1;
+
+	case LWS_CALLBACK_CGI_STDIN_DATA:  /* POST body for stdin */
+		args = (struct lws_cgi_args *)in;
+		args->data[args->len] = '\0';
+		if (!args->stdwsi[LWS_STDIN])
+			return -1;
+		n = lws_get_socket_fd(args->stdwsi[LWS_STDIN]);
+		if (n < 0)
+			return -1;
+
+#if defined(LWS_WITH_ZLIB)
+		if (wsi->http.cgi->gzip_inflate) {
+			/* gzip handling */
+
+			if (!wsi->http.cgi->gzip_init) {
+				lwsl_info("inflating gzip\n");
+
+				memset(&wsi->http.cgi->inflate, 0,
+				       sizeof(wsi->http.cgi->inflate));
+
+				if (inflateInit2(&wsi->http.cgi->inflate,
+						 16 + 15) != Z_OK) {
+					lwsl_err("%s: iniflateInit failed\n",
+						 __func__);
+					return -1;
+				}
+
+				wsi->http.cgi->gzip_init = 1;
+			}
+
+			wsi->http.cgi->inflate.next_in = args->data;
+			wsi->http.cgi->inflate.avail_in = args->len;
+
+			do {
+
+				wsi->http.cgi->inflate.next_out =
+						wsi->http.cgi->inflate_buf;
+				wsi->http.cgi->inflate.avail_out =
+					sizeof(wsi->http.cgi->inflate_buf);
+
+				n = inflate(&wsi->http.cgi->inflate,
+					    Z_SYNC_FLUSH);
+
+				switch (n) {
+				case Z_NEED_DICT:
+				case Z_STREAM_ERROR:
+				case Z_DATA_ERROR:
+				case Z_MEM_ERROR:
+					inflateEnd(&wsi->http.cgi->inflate);
+					wsi->http.cgi->gzip_init = 0;
+					lwsl_err("zlib error inflate %d\n", n);
+					return -1;
+				}
+
+				if (wsi->http.cgi->inflate.avail_out !=
+					   sizeof(wsi->http.cgi->inflate_buf)) {
+					int written;
+
+					written = write(args->stdwsi[LWS_STDIN]->desc.filefd,
+						wsi->http.cgi->inflate_buf,
+						sizeof(wsi->http.cgi->inflate_buf) -
+						wsi->http.cgi->inflate.avail_out);
+
+					if (written != (int)(
+						sizeof(wsi->http.cgi->inflate_buf) -
+						wsi->http.cgi->inflate.avail_out)) {
+						lwsl_notice("LWS_CALLBACK_CGI_STDIN_DATA: "
+							"sent %d only %d went", n, args->len);
+					}
+
+					if (n == Z_STREAM_END) {
+						lwsl_err("gzip inflate end\n");
+						inflateEnd(&wsi->http.cgi->inflate);
+						wsi->http.cgi->gzip_init = 0;
+						break;
+					}
+
+				} else
+					break;
+
+				if (wsi->http.cgi->inflate.avail_out)
+					break;
+
+			} while (1);
+
+			return args->len;
+		}
+#endif /* WITH_ZLIB */
+
+		n = write(n, args->data, args->len);
+//		lwsl_hexdump_notice(args->data, args->len);
+		if (n < args->len)
+			lwsl_notice("LWS_CALLBACK_CGI_STDIN_DATA: "
+				    "sent %d only %d went", n, args->len);
+
+		if (wsi->http.cgi->post_in_expected && args->stdwsi[LWS_STDIN] &&
+		    args->stdwsi[LWS_STDIN]->desc.filefd > 0) {
+			wsi->http.cgi->post_in_expected -= n;
+			if (!wsi->http.cgi->post_in_expected) {
+				struct lws *siwsi = args->stdwsi[LWS_STDIN];
+
+				lwsl_debug("%s: expected POST in end: "
+					   "closing stdin wsi %p, fd %d\n",
+					   __func__, siwsi, siwsi->desc.sockfd);
+
+				__remove_wsi_socket_from_fds(siwsi);
+				lwsi_set_state(siwsi, LRS_DEAD_SOCKET);
+				siwsi->socket_is_permanently_unusable = 1;
+				lws_remove_child_from_any_parent(siwsi);
+				if (wsi->context->event_loop_ops->
+							close_handle_manually) {
+					wsi->context->event_loop_ops->
+						close_handle_manually(siwsi);
+					siwsi->told_event_loop_closed = 1;
+				} else {
+					compatible_close(siwsi->desc.sockfd);
+					__lws_free_wsi(siwsi);
+				}
+				wsi->http.cgi->pipe_fds[LWS_STDIN][1] = -1;
+
+				args->stdwsi[LWS_STDIN] = NULL;
+			}
+		}
+
+		return n;
+#endif /* WITH_CGI */
+#endif /* ROLE_ H1 / H2 */
+	case LWS_CALLBACK_SSL_INFO:
+		si = in;
+
+		(void)si;
+		lwsl_notice("LWS_CALLBACK_SSL_INFO: where: 0x%x, ret: 0x%x\n",
+			    si->where, si->ret);
+		break;
+
+#if LWS_MAX_SMP > 1
+	case LWS_CALLBACK_GET_THREAD_ID:
+		return (int)(unsigned long long)pthread_self();
+#endif
+
+	default:
+		break;
+	}
+
+	return 0;
+}
diff --git a/thirdparty/libwebsockets/core/libwebsockets.c b/thirdparty/libwebsockets/lib/core/libwebsockets.c
index 58f00226f6..972422114a 100644
--- a/thirdparty/libwebsockets/core/libwebsockets.c
+++ b/thirdparty/libwebsockets/lib/core/libwebsockets.c
@@ -53,11 +53,42 @@ static const char * const log_level_names[] = {
 	"CLIENT",
 	"LATENCY",
 	"USER",
+	"THREAD",
 	"?",
 	"?"
 };
 #endif
 
+#if defined (_DEBUG)
+void lwsi_set_role(struct lws *wsi, lws_wsi_state_t role)
+{
+	wsi->wsistate = (wsi->wsistate & (~LWSI_ROLE_MASK)) | role;
+
+	lwsl_debug("lwsi_set_role(%p, 0x%x)\n", wsi, wsi->wsistate);
+}
+
+void lwsi_set_state(struct lws *wsi, lws_wsi_state_t lrs)
+{
+	wsi->wsistate = (wsi->wsistate & (~LRS_MASK)) | lrs;
+
+	lwsl_debug("lwsi_set_state(%p, 0x%x)\n", wsi, wsi->wsistate);
+}
+#endif
+
+signed char char_to_hex(const char c)
+{
+	if (c >= '0' && c <= '9')
+		return c - '0';
+
+	if (c >= 'a' && c <= 'f')
+		return c - 'a' + 10;
+
+	if (c >= 'A' && c <= 'F')
+		return c - 'A' + 10;
+
+	return -1;
+}
+
 int lws_open(const char *__file, int __oflag, ...)
 {
 	va_list ap;
@@ -75,39 +106,56 @@ int lws_open(const char *__file, int __oflag, ...)
 		n = open(__file, __oflag);
 	va_end(ap);
 
-	lws_plat_apply_FD_CLOEXEC(n);
+	if (n != -1 && lws_plat_apply_FD_CLOEXEC(n)) {
+		close(n);
+
+		return -1;
+	}
 
 	return n;
 }
 
-#if defined (_DEBUG)
-void lwsi_set_role(struct lws *wsi, lws_wsi_state_t role)
+void
+lws_vhost_bind_wsi(struct lws_vhost *vh, struct lws *wsi)
 {
-	wsi->wsistate = (wsi->wsistate & (~LWSI_ROLE_MASK)) | role;
-
-	lwsl_debug("lwsi_set_role(%p, 0x%x)\n", wsi, wsi->wsistate);
+	if (wsi->vhost == vh)
+		return;
+	lws_context_lock(vh->context, __func__); /* ---------- context { */
+	wsi->vhost = vh;
+	vh->count_bound_wsi++;
+	lws_context_unlock(vh->context); /* } context ---------- */
+	lwsl_info("%s: vh %s: count_bound_wsi %d\n",
+		    __func__, vh->name, vh->count_bound_wsi);
+	assert(wsi->vhost->count_bound_wsi > 0);
 }
 
-void lwsi_set_state(struct lws *wsi, lws_wsi_state_t lrs)
+void
+lws_vhost_unbind_wsi(struct lws *wsi)
 {
-	wsi->wsistate = (wsi->wsistate & (~LRS_MASK)) | lrs;
-
-	lwsl_debug("lwsi_set_state(%p, 0x%x)\n", wsi, wsi->wsistate);
-}
-#endif
+	if (!wsi->vhost)
+		return;
 
-signed char char_to_hex(const char c)
-{
-	if (c >= '0' && c <= '9')
-		return c - '0';
+	lws_context_lock(wsi->context, __func__); /* ---------- context { */
 
-	if (c >= 'a' && c <= 'f')
-		return c - 'a' + 10;
+	assert(wsi->vhost->count_bound_wsi > 0);
+	wsi->vhost->count_bound_wsi--;
+	lwsl_info("%s: vh %s: count_bound_wsi %d\n", __func__,
+		  wsi->vhost->name, wsi->vhost->count_bound_wsi);
 
-	if (c >= 'A' && c <= 'F')
-		return c - 'A' + 10;
+	if (!wsi->vhost->count_bound_wsi &&
+	    wsi->vhost->being_destroyed) {
+		/*
+		 * We have closed all wsi that were bound to this vhost
+		 * by any pt: nothing can be servicing any wsi belonging
+		 * to it any more.
+		 *
+		 * Finalize the vh destruction
+		 */
+		__lws_vhost_destroy2(wsi->vhost);
+	}
+	wsi->vhost = NULL;
 
-	return -1;
+	lws_context_unlock(wsi->context); /* } context ---------- */
 }
 
 void
@@ -125,13 +173,24 @@ __lws_free_wsi(struct lws *wsi)
 		lws_free(wsi->user_space);
 
 	lws_buflist_destroy_all_segments(&wsi->buflist);
-	lws_free_set_NULL(wsi->trunc_alloc);
+	lws_buflist_destroy_all_segments(&wsi->buflist_out);
 	lws_free_set_NULL(wsi->udp);
 
 	if (wsi->vhost && wsi->vhost->lserv_wsi == wsi)
 		wsi->vhost->lserv_wsi = NULL;
+#if !defined(LWS_NO_CLIENT)
+	lws_dll_lws_remove(&wsi->dll_active_client_conns);
+#endif
+	wsi->context->count_wsi_allocated--;
 
-	// lws_peer_dump_from_wsi(wsi);
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
+	__lws_header_table_detach(wsi, 0);
+#endif
+	__lws_same_vh_protocol_remove(wsi);
+#if !defined(LWS_NO_CLIENT)
+	lws_client_stash_destroy(wsi);
+	lws_free_set_NULL(wsi->client_hostname_copy);
+#endif
 
 	if (wsi->role_ops->destroy_role)
 		wsi->role_ops->destroy_role(wsi);
@@ -151,7 +210,8 @@ __lws_free_wsi(struct lws *wsi)
 	if (wsi->context->event_loop_ops->destroy_wsi)
 		wsi->context->event_loop_ops->destroy_wsi(wsi);
 
-	wsi->context->count_wsi_allocated--;
+	lws_vhost_unbind_wsi(wsi);
+
 	lwsl_debug("%s: %p, remaining wsi %d\n", __func__, wsi,
 			wsi->context->count_wsi_allocated);
 
@@ -327,6 +387,15 @@ __lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs)
 //	lws_dll_dump(&pt->dll_head_hrtimer, "after set_timer_usec");
 }
 
+LWS_VISIBLE lws_usec_t
+lws_now_usecs(void)
+{
+	struct timeval now;
+
+	gettimeofday(&now, NULL);
+	return (now.tv_sec * 1000000ll) + now.tv_usec;
+}
+
 LWS_VISIBLE void
 lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs)
 {
@@ -370,7 +439,8 @@ __lws_hrtimer_service(struct lws_context_per_thread *pt)
 	if (!pt->dll_head_hrtimer.next)
 		return LWS_HRTIMER_NOWAIT;
 
-	wsi = lws_container_of(pt->dll_head_hrtimer.next, struct lws, dll_hrtimer);
+	wsi = lws_container_of(pt->dll_head_hrtimer.next, struct lws,
+			       dll_hrtimer);
 
 	gettimeofday(&now, NULL);
 	t = (now.tv_sec * 1000000ll) + now.tv_usec;
@@ -389,7 +459,7 @@ __lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs)
 
 	time(&now);
 
-	lwsl_debug("%s: %p: %d secs\n", __func__, wsi, secs);
+	lwsl_debug("%s: %p: %d secs (reason %d)\n", __func__, wsi, secs, reason);
 	wsi->pending_timeout_limit = secs;
 	wsi->pending_timeout_set = now;
 	wsi->pending_timeout = reason;
@@ -408,7 +478,8 @@ lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs)
 	if (secs == LWS_TO_KILL_SYNC) {
 		lws_remove_from_timeout_list(wsi);
 		lwsl_debug("synchronously killing %p\n", wsi);
-		lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "to sync kill");
+		lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
+				   "to sync kill");
 		return;
 	}
 
@@ -420,8 +491,10 @@ lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs)
 	lws_pt_unlock(pt);
 }
 
+/* requires context + vh lock */
+
 int
-lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p)
+__lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p)
 {
 	lws_start_foreach_llp(struct lws_timed_vh_protocol **, pt,
 			      vh->timed_vh_protocol_list) {
@@ -436,9 +509,30 @@ lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p)
 	return 1;
 }
 
+int
+lws_pthread_self_to_tsi(struct lws_context *context)
+{
+#if LWS_MAX_SMP > 1
+	pthread_t ps = pthread_self();
+	struct lws_context_per_thread *pt = &context->pt[0];
+	int n;
+
+	for (n = 0; n < context->count_threads; n++) {
+		if (pthread_equal(ps, pt->self))
+			return n;
+		pt++;
+	}
+
+	return -1;
+#else
+	return 0;
+#endif
+}
+
 LWS_VISIBLE LWS_EXTERN int
-lws_timed_callback_vh_protocol(struct lws_vhost *vh, const struct lws_protocols *prot,
-			       int reason, int secs)
+lws_timed_callback_vh_protocol(struct lws_vhost *vh,
+			       const struct lws_protocols *prot, int reason,
+			       int secs)
 {
 	struct lws_timed_vh_protocol *p = (struct lws_timed_vh_protocol *)
 			lws_malloc(sizeof(*p), "timed_vh");
@@ -446,17 +540,27 @@ lws_timed_callback_vh_protocol(struct lws_vhost *vh, const struct lws_protocols
 	if (!p)
 		return 1;
 
+	p->tsi_req = lws_pthread_self_to_tsi(vh->context);
+	if (p->tsi_req < 0) /* not called from a service thread --> tsi 0 */
+		p->tsi_req = 0;
+
+	lws_context_lock(vh->context, __func__); /* context ----------------- */
+
 	p->protocol = prot;
 	p->reason = reason;
 	p->time = lws_now_secs() + secs;
-	p->next = vh->timed_vh_protocol_list;
 
+	lws_vhost_lock(vh); /* vhost ---------------------------------------- */
+	p->next = vh->timed_vh_protocol_list;
 	vh->timed_vh_protocol_list = p;
+	lws_vhost_unlock(vh); /* -------------------------------------- vhost */
+
+	lws_context_unlock(vh->context); /* ------------------------- context */
 
 	return 0;
 }
 
-static void
+void
 lws_remove_child_from_any_parent(struct lws *wsi)
 {
 	struct lws **pwsi;
@@ -490,15 +594,17 @@ lws_remove_child_from_any_parent(struct lws *wsi)
 }
 
 int
-lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p)
+lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p,
+		  const char *reason)
 {
 //	if (wsi->protocol == p)
 //		return 0;
 	const struct lws_protocols *vp = wsi->vhost->protocols, *vpo;
 
 	if (wsi->protocol && wsi->protocol_bind_balance) {
-		wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_DROP_PROTOCOL,
-					wsi->user_space, NULL, 0);
+		wsi->protocol->callback(wsi,
+		       wsi->role_ops->protocol_unbind_cb[!!lwsi_role_server(wsi)],
+					wsi->user_space, (void *)reason, 0);
 		wsi->protocol_bind_balance = 0;
 	}
 	if (!wsi->user_space_externally_allocated)
@@ -534,7 +640,8 @@ lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p)
 				 __func__, p, wsi->vhost->name);
 	}
 
-	if (wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_BIND_PROTOCOL,
+	if (wsi->protocol->callback(wsi, wsi->role_ops->protocol_bind_cb[
+				    !!lwsi_role_server(wsi)],
 				    wsi->user_space, NULL, 0))
 		return 1;
 
@@ -544,7 +651,8 @@ lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p)
 }
 
 void
-__lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *caller)
+__lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason,
+		     const char *caller)
 {
 	struct lws_context_per_thread *pt;
 	struct lws *wsi1, *wsi2;
@@ -576,20 +684,21 @@ __lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *
 		if ((int)reason != -1)
 			lws_vhost_lock(wsi->vhost);
 		lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
-					wsi->dll_client_transaction_queue_head.next) {
+				wsi->dll_client_transaction_queue_head.next) {
 			struct lws *w = lws_container_of(d, struct lws,
-							 dll_client_transaction_queue);
+						dll_client_transaction_queue);
 
 			__lws_close_free_wsi(w, -1, "trans q leader closing");
 		} lws_end_foreach_dll_safe(d, d1);
 
 		/*
-		 * !!! If we are closing, but we have pending pipelined transaction
-		 * results we already sent headers for, that's going to destroy sync
-		 * for HTTP/1 and leave H2 stream with no live swsi.
+		 * !!! If we are closing, but we have pending pipelined
+		 * transaction results we already sent headers for, that's going
+		 * to destroy sync for HTTP/1 and leave H2 stream with no live
+		 * swsi.
 		 *
-		 * However this is normal if we are being closed because the transaction
-		 * queue leader is closing.
+		 * However this is normal if we are being closed because the
+		 * transaction queue leader is closing.
 		 */
 		lws_dll_lws_remove(&wsi->dll_client_transaction_queue);
 		if ((int)reason !=-1)
@@ -605,7 +714,8 @@ __lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *
 			wsi2->parent = NULL;
 			/* stop it doing shutdown processing */
 			wsi2->socket_is_permanently_unusable = 1;
-			__lws_close_free_wsi(wsi2, reason, "general child recurse");
+			__lws_close_free_wsi(wsi2, reason,
+					     "general child recurse");
 			wsi2 = wsi1;
 		}
 		wsi->child_list = NULL;
@@ -630,7 +740,8 @@ __lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *
 				lws_cgi_remove_and_kill(wsi->parent);
 
 			/* end the binding between us and master */
-			wsi->parent->http.cgi->stdwsi[(int)wsi->cgi_channel] = NULL;
+			wsi->parent->http.cgi->stdwsi[(int)wsi->cgi_channel] =
+									NULL;
 		}
 		wsi->socket_is_permanently_unusable = 1;
 
@@ -674,14 +785,24 @@ __lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *
 		goto just_kill_connection;
 
 	case LRS_FLUSHING_BEFORE_CLOSE:
-		if (wsi->trunc_len) {
+		if (lws_has_buffered_out(wsi)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+		    || wsi->http.comp_ctx.buflist_comp ||
+		    wsi->http.comp_ctx.may_have_more
+#endif
+		 ) {
 			lws_callback_on_writable(wsi);
 			return;
 		}
 		lwsl_info("%p: end LRS_FLUSHING_BEFORE_CLOSE\n", wsi);
 		goto just_kill_connection;
 	default:
-		if (wsi->trunc_len) {
+		if (lws_has_buffered_out(wsi)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+				|| wsi->http.comp_ctx.buflist_comp ||
+		    wsi->http.comp_ctx.may_have_more
+#endif
+		) {
 			lwsl_info("%p: LRS_FLUSHING_BEFORE_CLOSE\n", wsi);
 			lwsi_set_state(wsi, LRS_FLUSHING_BEFORE_CLOSE);
 			__lws_set_timeout(wsi,
@@ -695,15 +816,13 @@ __lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *
 	    lwsi_state(wsi) == LRS_H1C_ISSUE_HANDSHAKE)
 		goto just_kill_connection;
 
-	if (!wsi->told_user_closed && lwsi_role_http(wsi) &&
-	    lwsi_role_server(wsi)) {
-		if (wsi->user_space && wsi->protocol &&
-		    wsi->protocol_bind_balance) {
-			wsi->protocol->callback(wsi,
-						LWS_CALLBACK_HTTP_DROP_PROTOCOL,
-					       wsi->user_space, NULL, 0);
-			wsi->protocol_bind_balance = 0;
-		}
+	if (!wsi->told_user_closed && wsi->user_space && wsi->protocol &&
+	    wsi->protocol_bind_balance) {
+		wsi->protocol->callback(wsi,
+				wsi->role_ops->protocol_unbind_cb[
+				       !!lwsi_role_server(wsi)],
+				       wsi->user_space, (void *)__func__, 0);
+		wsi->protocol_bind_balance = 0;
 	}
 
 	/*
@@ -734,8 +853,10 @@ just_kill_connection:
 	    wsi->protocol_bind_balance) {
 		lwsl_debug("%s: %p: DROP_PROTOCOL %s\n", __func__, wsi,
 		       wsi->protocol->name);
-		wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_DROP_PROTOCOL,
-				        wsi->user_space, NULL, 0);
+		wsi->protocol->callback(wsi,
+				wsi->role_ops->protocol_unbind_cb[
+				       !!lwsi_role_server(wsi)],
+				       wsi->user_space, (void *)__func__, 0);
 		wsi->protocol_bind_balance = 0;
 	}
 
@@ -772,7 +893,7 @@ just_kill_connection:
 	} else
 #endif
 		{
-			lwsl_info("%s: shutdown conn: %p (sock %d, state 0x%x)\n",
+			lwsl_info("%s: shutdown conn: %p (sk %d, state 0x%x)\n",
 				  __func__, wsi, (int)(long)wsi->desc.sockfd,
 				  lwsi_state(wsi));
 			if (!wsi->socket_is_permanently_unusable &&
@@ -808,12 +929,16 @@ just_kill_connection:
 	lwsl_debug("%s: real just_kill_connection: %p (sockfd %d)\n", __func__,
 		   wsi, wsi->desc.sockfd);
 	
-#ifdef LWS_WITH_HTTP_PROXY
+#ifdef LWS_WITH_HUBBUB
 	if (wsi->http.rw) {
 		lws_rewrite_destroy(wsi->http.rw);
 		wsi->http.rw = NULL;
 	}
 #endif
+
+	if (wsi->http.pending_return_headers)
+		lws_free_set_NULL(wsi->http.pending_return_headers);
+
 	/*
 	 * we won't be servicing or receiving anything further from this guy
 	 * delete socket from the internal poll list if still present
@@ -830,7 +955,7 @@ just_kill_connection:
 	if (wsi->desc.sockfd != LWS_SOCK_INVALID)
 		__remove_wsi_socket_from_fds(wsi);
 	else
-		lws_same_vh_protocol_remove(wsi);
+		__lws_same_vh_protocol_remove(wsi);
 
 	lwsi_set_state(wsi, LRS_DEAD_SOCKET);
 	lws_buflist_destroy_all_segments(&wsi->buflist);
@@ -841,7 +966,9 @@ just_kill_connection:
 
 	/* tell the user it's all over for this guy */
 
-	if (lwsi_state_est_PRE_CLOSE(wsi) && !wsi->told_user_closed &&
+	if ((lwsi_state_est_PRE_CLOSE(wsi) ||
+	     lwsi_state_PRE_CLOSE(wsi) == LRS_WAITING_SERVER_REPLY) &&
+	    !wsi->told_user_closed &&
 	    wsi->role_ops->close_cb[lwsi_role_server(wsi)]) {
 		const struct lws_protocols *pro = wsi->protocol;
 
@@ -877,7 +1004,9 @@ __lws_close_free_wsi_final(struct lws *wsi)
 {
 	int n;
 
-	if (lws_socket_is_valid(wsi->desc.sockfd) && !lws_ssl_close(wsi)) {
+	if (!wsi->shadow &&
+	    lws_socket_is_valid(wsi->desc.sockfd) && !lws_ssl_close(wsi)) {
+		lwsl_debug("%s: wsi %p: fd %d\n", __func__, wsi, wsi->desc.sockfd);
 		n = compatible_close(wsi->desc.sockfd);
 		if (n)
 			lwsl_debug("closing: close ret %d\n", LWS_ERRNO);
@@ -944,8 +1073,7 @@ lws_buflist_append_segment(struct lws_buflist **head, const uint8_t *buf,
 
 	lwsl_info("%s: len %u first %d %p\n", __func__, (uint32_t)len, first, p);
 
-	nbuf = (struct lws_buflist *)
-			lws_malloc(sizeof(**head) + len, __func__);
+	nbuf = (struct lws_buflist *)lws_malloc(sizeof(**head) + len, __func__);
 	if (!nbuf) {
 		lwsl_err("%s: OOM\n", __func__);
 		return -1;
@@ -1179,9 +1307,6 @@ lws_get_peer_simple(struct lws *wsi, char *name, int namelen)
 
 	wsi = lws_get_network_wsi(wsi);
 
-	if (wsi->parent_carries_io)
-		wsi = wsi->parent;
-
 #ifdef LWS_WITH_IPV6
 	if (LWS_IPV6_ENABLED(wsi->vhost)) {
 		len = sizeof(sin6);
@@ -1298,7 +1423,11 @@ lws_get_network_wsi(struct lws *wsi)
 		return NULL;
 
 #if defined(LWS_WITH_HTTP2)
-	if (!wsi->http2_substream && !wsi->client_h2_substream)
+	if (!wsi->http2_substream
+#if !defined(LWS_NO_CLIENT)
+			&& !wsi->client_h2_substream
+#endif
+	)
 		return wsi;
 
 	while (wsi->h2.parent_wsi)
@@ -1396,7 +1525,7 @@ lws_callback_vhost_protocols_vhost(struct lws_vhost *vh, int reason, void *in,
 	struct lws *wsi = lws_zalloc(sizeof(*wsi), "fake wsi");
 
 	wsi->context = vh->context;
-	wsi->vhost = vh;
+	lws_vhost_bind_wsi(vh, wsi);
 
 	for (n = 0; n < wsi->vhost->count_protocols; n++) {
 		wsi->protocol = &vh->protocols[n];
@@ -1486,8 +1615,8 @@ lws_vfs_select_fops(const struct lws_plat_file_ops *fops, const char *vfs_path,
 			while (n < (int)LWS_ARRAY_SIZE(pf->fi) && pf->fi[n].sig) {
 				if (p >= vfs_path + pf->fi[n].len)
 					if (!strncmp(p - (pf->fi[n].len - 1),
-						    pf->fi[n].sig,
-						    pf->fi[n].len - 1)) {
+						     pf->fi[n].sig,
+						     pf->fi[n].len - 1)) {
 						*vpath = p + 1;
 						return pf;
 					}
@@ -1557,7 +1686,7 @@ lws_latency(struct lws_context *context, struct lws *wsi, const char *action,
 	unsigned long long u;
 	char buf[256];
 
-	u = time_in_microseconds();
+	u = lws_time_in_microseconds();
 
 	if (!action) {
 		wsi->latency_start = u;
@@ -1625,7 +1754,8 @@ lws_rx_flow_control(struct lws *wsi, int _enable)
 	    wsi->rxflow_change_to)
 		goto skip;
 
-	wsi->rxflow_change_to = LWS_RXFLOW_PENDING_CHANGE | !wsi->rxflow_bitmap;
+	wsi->rxflow_change_to = LWS_RXFLOW_PENDING_CHANGE |
+				(!wsi->rxflow_bitmap);
 
 	lwsl_info("%s: %p: bitmap 0x%x: en 0x%x, ch 0x%x\n", __func__, wsi,
 		  wsi->rxflow_bitmap, en, wsi->rxflow_change_to);
@@ -1676,7 +1806,7 @@ lws_broadcast(struct lws_context *context, int reason, void *in, size_t len)
 
 	while (v) {
 		const struct lws_protocols *p = v->protocols;
-		wsi.vhost = v;
+		wsi.vhost = v; /* not a real bound wsi */
 
 		for (n = 0; n < v->count_protocols; n++) {
 			wsi.protocol = p;
@@ -1766,7 +1896,9 @@ lws_set_proxy(struct lws_vhost *vhost, const char *proxy)
 
 		lwsl_info(" Proxy auth in use\n");
 
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 		proxy = p + 1;
+#endif
 	} else
 		vhost->proxy_basic_auth_token[0] = '\0';
 
@@ -1913,7 +2045,9 @@ LWS_VISIBLE int
 lwsl_timestamp(int level, char *p, int len)
 {
 #ifndef LWS_PLAT_OPTEE
+#ifndef _WIN32_WCE
 	time_t o_now = time(NULL);
+#endif
 	unsigned long long now;
 	struct tm *ptm = NULL;
 #ifndef WIN32
@@ -1933,7 +2067,7 @@ lwsl_timestamp(int level, char *p, int len)
 	for (n = 0; n < LLL_COUNT; n++) {
 		if (level != (1 << n))
 			continue;
-		now = time_in_microseconds() / 100;
+		now = lws_time_in_microseconds() / 100;
 		if (ptm)
 			n = lws_snprintf(p, len,
 				"[%04d/%02d/%02d %02d:%02d:%02d:%04d] %s: ",
@@ -1970,12 +2104,15 @@ static const char * const colours[] = {
 	"[33m", /* LLL_CLIENT */
 	"[33;1m", /* LLL_LATENCY */
 	"[30;1m", /* LLL_USER */
+	"[31m", /* LLL_THREAD */
 };
 
-LWS_VISIBLE void lwsl_emit_stderr(int level, const char *line)
+static char tty;
+
+LWS_VISIBLE void
+lwsl_emit_stderr(int level, const char *line)
 {
 	char buf[50];
-	static char tty = 3;
 	int n, m = LWS_ARRAY_SIZE(colours) - 1;
 
 	if (!tty)
@@ -1994,6 +2131,28 @@ LWS_VISIBLE void lwsl_emit_stderr(int level, const char *line)
 	} else
 		fprintf(stderr, "%s%s", buf, line);
 }
+
+LWS_VISIBLE void
+lwsl_emit_stderr_notimestamp(int level, const char *line)
+{
+	int n, m = LWS_ARRAY_SIZE(colours) - 1;
+
+	if (!tty)
+		tty = isatty(2) | 2;
+
+	if (tty == 3) {
+		n = 1 << (LWS_ARRAY_SIZE(colours) - 1);
+		while (n) {
+			if (level & n)
+				break;
+			m--;
+			n >>= 1;
+		}
+		fprintf(stderr, "%c%s%s%c[0m", 27, colours[m], line, 27);
+	} else
+		fprintf(stderr, "%s", line);
+}
+
 #endif
 
 LWS_VISIBLE void _lws_logv(int filter, const char *format, va_list vl)
@@ -2007,8 +2166,14 @@ LWS_VISIBLE void _lws_logv(int filter, const char *format, va_list vl)
 	n = vsnprintf(buf, sizeof(buf) - 1, format, vl);
 	(void)n;
 	/* vnsprintf returns what it would have written, even if truncated */
-	if (n > (int)sizeof(buf) - 1)
-		n = sizeof(buf) - 1;
+	if (n > (int)sizeof(buf) - 1) {
+		n = sizeof(buf) - 5;
+		buf[n++] = '.';
+		buf[n++] = '.';
+		buf[n++] = '.';
+		buf[n++] = '\n';
+		buf[n] = '\0';
+	}
 	if (n > 0)
 		buf[n] = '\0';
 
@@ -2041,9 +2206,7 @@ LWS_VISIBLE void
 lwsl_hexdump_level(int hexdump_level, const void *vbuf, size_t len)
 {
 	unsigned char *buf = (unsigned char *)vbuf;
-	unsigned int n, m, start;
-	char line[80];
-	char *p;
+	unsigned int n;
 
 	if (!lwsl_visible(hexdump_level))
 		return;
@@ -2057,8 +2220,8 @@ lwsl_hexdump_level(int hexdump_level, const void *vbuf, size_t len)
 	_lws_log(hexdump_level, "\n");
 
 	for (n = 0; n < len;) {
-		start = n;
-		p = line;
+		unsigned int start = n, m;
+		char line[80], *p = line;
 
 		p += sprintf(p, "%04X: ", start);
 
@@ -2117,7 +2280,7 @@ lws_get_ssl(struct lws *wsi)
 LWS_VISIBLE int
 lws_partial_buffered(struct lws *wsi)
 {
-	return !!wsi->trunc_len;
+	return lws_has_buffered_out(wsi);
 }
 
 LWS_VISIBLE lws_fileofs_t
@@ -2130,7 +2293,7 @@ lws_get_peer_write_allowance(struct lws *wsi)
 
 LWS_VISIBLE void
 lws_role_transition(struct lws *wsi, enum lwsi_role role, enum lwsi_state state,
-		struct lws_role_ops *ops)
+		    struct lws_role_ops *ops)
 {
 #if defined(_DEBUG)
 	const char *name = "(unset)";
@@ -2192,12 +2355,6 @@ lws_get_child(const struct lws *wsi)
 	return wsi->child_list;
 }
 
-LWS_VISIBLE LWS_EXTERN void
-lws_set_parent_carries_io(struct lws *wsi)
-{
-	wsi->parent_carries_io = 1;
-}
-
 LWS_VISIBLE LWS_EXTERN void *
 lws_get_opaque_parent_data(const struct lws *wsi)
 {
@@ -2257,7 +2414,7 @@ __lws_rx_flow_control(struct lws *wsi)
 	wsi->rxflow_change_to &= ~LWS_RXFLOW_PENDING_CHANGE;
 
 	lwsl_info("rxflow: wsi %p change_to %d\n", wsi,
-			      wsi->rxflow_change_to & LWS_RXFLOW_ALLOW);
+		  wsi->rxflow_change_to & LWS_RXFLOW_ALLOW);
 
 	/* adjust the pollfd for this wsi */
 
@@ -2273,36 +2430,60 @@ __lws_rx_flow_control(struct lws *wsi)
 	return 0;
 }
 
+static const unsigned char e0f4[] = {
+	0xa0 | ((2 - 1) << 2) | 1, /* e0 */
+	0x80 | ((4 - 1) << 2) | 1, /* e1 */
+	0x80 | ((4 - 1) << 2) | 1, /* e2 */
+	0x80 | ((4 - 1) << 2) | 1, /* e3 */
+	0x80 | ((4 - 1) << 2) | 1, /* e4 */
+	0x80 | ((4 - 1) << 2) | 1, /* e5 */
+	0x80 | ((4 - 1) << 2) | 1, /* e6 */
+	0x80 | ((4 - 1) << 2) | 1, /* e7 */
+	0x80 | ((4 - 1) << 2) | 1, /* e8 */
+	0x80 | ((4 - 1) << 2) | 1, /* e9 */
+	0x80 | ((4 - 1) << 2) | 1, /* ea */
+	0x80 | ((4 - 1) << 2) | 1, /* eb */
+	0x80 | ((4 - 1) << 2) | 1, /* ec */
+	0x80 | ((2 - 1) << 2) | 1, /* ed */
+	0x80 | ((4 - 1) << 2) | 1, /* ee */
+	0x80 | ((4 - 1) << 2) | 1, /* ef */
+	0x90 | ((3 - 1) << 2) | 2, /* f0 */
+	0x80 | ((4 - 1) << 2) | 2, /* f1 */
+	0x80 | ((4 - 1) << 2) | 2, /* f2 */
+	0x80 | ((4 - 1) << 2) | 2, /* f3 */
+	0x80 | ((1 - 1) << 2) | 2, /* f4 */
+
+	0,			   /* s0 */
+	0x80 | ((4 - 1) << 2) | 0, /* s2 */
+	0x80 | ((4 - 1) << 2) | 1, /* s3 */
+};
+
+LWS_EXTERN int
+lws_check_byte_utf8(unsigned char state, unsigned char c)
+{
+	unsigned char s = state;
+
+	if (!s) {
+		if (c >= 0x80) {
+			if (c < 0xc2 || c > 0xf4)
+				return -1;
+			if (c < 0xe0)
+				return 0x80 | ((4 - 1) << 2);
+			else
+				return e0f4[c - 0xe0];
+		}
+
+		return s;
+	}
+	if (c < (s & 0xf0) || c >= (s & 0xf0) + 0x10 + ((s << 2) & 0x30))
+		return -1;
+
+	return e0f4[21 + (s & 3)];
+}
+
 LWS_EXTERN int
 lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len)
 {
-	static const unsigned char e0f4[] = {
-		0xa0 | ((2 - 1) << 2) | 1, /* e0 */
-		0x80 | ((4 - 1) << 2) | 1, /* e1 */
-		0x80 | ((4 - 1) << 2) | 1, /* e2 */
-		0x80 | ((4 - 1) << 2) | 1, /* e3 */
-		0x80 | ((4 - 1) << 2) | 1, /* e4 */
-		0x80 | ((4 - 1) << 2) | 1, /* e5 */
-		0x80 | ((4 - 1) << 2) | 1, /* e6 */
-		0x80 | ((4 - 1) << 2) | 1, /* e7 */
-		0x80 | ((4 - 1) << 2) | 1, /* e8 */
-		0x80 | ((4 - 1) << 2) | 1, /* e9 */
-		0x80 | ((4 - 1) << 2) | 1, /* ea */
-		0x80 | ((4 - 1) << 2) | 1, /* eb */
-		0x80 | ((4 - 1) << 2) | 1, /* ec */
-		0x80 | ((2 - 1) << 2) | 1, /* ed */
-		0x80 | ((4 - 1) << 2) | 1, /* ee */
-		0x80 | ((4 - 1) << 2) | 1, /* ef */
-		0x90 | ((3 - 1) << 2) | 2, /* f0 */
-		0x80 | ((4 - 1) << 2) | 2, /* f1 */
-		0x80 | ((4 - 1) << 2) | 2, /* f2 */
-		0x80 | ((4 - 1) << 2) | 2, /* f3 */
-		0x80 | ((1 - 1) << 2) | 2, /* f4 */
-
-		0,			   /* s0 */
-		0x80 | ((4 - 1) << 2) | 0, /* s2 */
-		0x80 | ((4 - 1) << 2) | 1, /* s3 */
-	};
 	unsigned char s = *state;
 
 	while (len--) {
@@ -2335,7 +2516,7 @@ lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
 	      const char **path)
 {
 	const char *end;
-	static const char *slash = "/";
+	char unix_skt = 0;
 
 	/* cut up the location into address, port and path */
 	*prot = p;
@@ -2349,32 +2530,32 @@ lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
 		*p = '\0';
 		p += 3;
 	}
+	if (*p == '+') /* unix skt */
+		unix_skt = 1;
+
 	*ads = p;
 	if (!strcmp(*prot, "http") || !strcmp(*prot, "ws"))
 		*port = 80;
 	else if (!strcmp(*prot, "https") || !strcmp(*prot, "wss"))
 		*port = 443;
 
-       if (*p == '[')
-       {
-               ++(*ads);
-               while (*p && *p != ']')
-                       p++;
-               if (*p)
-                       *p++ = '\0';
-       }
-       else
-       {
-               while (*p && *p != ':' && *p != '/')
-                       p++;
-       }
+	if (*p == '[') {
+		++(*ads);
+		while (*p && *p != ']')
+			p++;
+		if (*p)
+			*p++ = '\0';
+	} else
+		while (*p && *p != ':' && (unix_skt || *p != '/'))
+			p++;
+
 	if (*p == ':') {
 		*p++ = '\0';
 		*port = atoi(p);
 		while (*p && *p != '/')
 			p++;
 	}
-	*path = slash;
+	*path = "/";
 	if (*p) {
 		*p++ = '\0';
 		if (*p)
@@ -2384,6 +2565,17 @@ lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
 	return 0;
 }
 
+char *
+lws_strdup(const char *s)
+{
+	char *d = lws_malloc(strlen(s) + 1, "strdup");
+
+	if (d)
+		strcpy(d, s);
+
+	return d;
+}
+
 #if defined(LWS_WITHOUT_EXTENSIONS)
 
 /* we need to provide dummy callbacks for internal exts
@@ -2417,6 +2609,14 @@ lws_set_extension_option(struct lws *wsi, const char *ext_name,
 }
 #endif
 
+/* note: this returns a random port, or one of these <= 0 return codes:
+ *
+ * LWS_ITOSA_USABLE:     the interface is usable, returned if so and sockfd invalid
+ * LWS_ITOSA_NOT_EXIST:  the requested iface does not even exist
+ * LWS_ITOSA_NOT_USABLE: the requested iface exists but is not usable (eg, no IP)
+ * LWS_ITOSA_BUSY:       the port at the requested iface + port is already in use
+ */
+
 LWS_EXTERN int
 lws_socket_bind(struct lws_vhost *vhost, lws_sockfd_type sockfd, int port,
 		const char *iface)
@@ -2438,22 +2638,26 @@ lws_socket_bind(struct lws_vhost *vhost, lws_sockfd_type sockfd, int port,
 	struct sockaddr_storage sin;
 	struct sockaddr *v;
 
-#ifdef LWS_WITH_UNIX_SOCK
+	memset(&sin, 0, sizeof(sin));
+
+#if defined(LWS_WITH_UNIX_SOCK)
 	if (LWS_UNIX_SOCK_ENABLED(vhost)) {
 		v = (struct sockaddr *)&serv_unix;
 		n = sizeof(struct sockaddr_un);
 		bzero((char *) &serv_unix, sizeof(serv_unix));
 		serv_unix.sun_family = AF_UNIX;
 		if (!iface)
-			return -1;
+			return LWS_ITOSA_NOT_EXIST;
 		if (sizeof(serv_unix.sun_path) <= strlen(iface)) {
 			lwsl_err("\"%s\" too long for UNIX domain socket\n",
 			         iface);
-			return -1;
+			return LWS_ITOSA_NOT_EXIST;
 		}
 		strcpy(serv_unix.sun_path, iface);
 		if (serv_unix.sun_path[0] == '@')
 			serv_unix.sun_path[0] = '\0';
+		else
+			unlink(serv_unix.sun_path);
 
 	} else
 #endif
@@ -2488,8 +2692,8 @@ lws_socket_bind(struct lws_vhost *vhost, lws_sockfd_type sockfd, int port,
 		bzero((char *) &serv_addr4, sizeof(serv_addr4));
 		serv_addr4.sin_addr.s_addr = INADDR_ANY;
 		serv_addr4.sin_family = AF_INET;
-#if !defined(LWS_WITH_ESP32)
 
+#if !defined(LWS_WITH_ESP32)
 		if (iface) {
 		    m = interface_to_sa(vhost, iface,
 				    (struct sockaddr_in *)v, n);
@@ -2510,22 +2714,38 @@ lws_socket_bind(struct lws_vhost *vhost, lws_sockfd_type sockfd, int port,
 
 	/* just checking for the interface extant */
 	if (sockfd == LWS_SOCK_INVALID)
-		return 0;
+		return LWS_ITOSA_USABLE;
 
 	n = bind(sockfd, v, n);
 #ifdef LWS_WITH_UNIX_SOCK
 	if (n < 0 && LWS_UNIX_SOCK_ENABLED(vhost)) {
 		lwsl_err("ERROR on binding fd %d to \"%s\" (%d %d)\n",
-				sockfd, iface, n, LWS_ERRNO);
-		return -1;
+			 sockfd, iface, n, LWS_ERRNO);
+		return LWS_ITOSA_NOT_EXIST;
 	} else
 #endif
 	if (n < 0) {
 		lwsl_err("ERROR on binding fd %d to port %d (%d %d)\n",
-				sockfd, port, n, LWS_ERRNO);
-		return -1;
+			 sockfd, port, n, LWS_ERRNO);
+
+		/* if something already listening, tell caller to fail permanently */
+
+		if (LWS_ERRNO == LWS_EADDRINUSE)
+			return LWS_ITOSA_BUSY;
+
+		/* otherwise ask caller to retry later */
+
+		return LWS_ITOSA_NOT_EXIST;
 	}
 
+#if defined(LWS_WITH_UNIX_SOCK)
+	if (LWS_UNIX_SOCK_ENABLED(vhost) && vhost->context->uid)
+		if (chown(serv_unix.sun_path, vhost->context->uid,
+			  vhost->context->gid))
+			lwsl_notice("%s: chown for unix skt %s failed\n",
+				    __func__, serv_unix.sun_path);
+#endif
+
 #ifndef LWS_PLAT_OPTEE
 	if (getsockname(sockfd, (struct sockaddr *)&sin, &len) == -1)
 		lwsl_warn("getsockname: %s\n", strerror(LWS_ERRNO));
@@ -2600,7 +2820,7 @@ lws_get_addr_scope(const char *ipaddr)
 	for (i = 0; i < 5; i++)
 	{
 		ret = GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX,
-				NULL, addrs, &size);
+					   NULL, addrs, &size);
 		if ((ret == NO_ERROR) || (ret == ERROR_NO_DATA)) {
 			break;
 		} else if (ret == ERROR_BUFFER_OVERFLOW)
@@ -2653,73 +2873,6 @@ lws_get_addr_scope(const char *ipaddr)
 }
 #endif
 
-#if !defined(LWS_NO_SERVER)
-
-LWS_EXTERN struct lws *
-lws_create_adopt_udp(struct lws_vhost *vhost, int port, int flags,
-		     const char *protocol_name, struct lws *parent_wsi)
-{
-	lws_sock_file_fd_type sock;
-	struct addrinfo h, *r, *rp;
-	struct lws *wsi = NULL;
-	char buf[16];
-	int n;
-
-	memset(&h, 0, sizeof(h));
-	h.ai_family = AF_UNSPEC;    /* Allow IPv4 or IPv6 */
-	h.ai_socktype = SOCK_DGRAM;
-	h.ai_protocol = IPPROTO_UDP;
-	h.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
-
-	lws_snprintf(buf, sizeof(buf), "%u", port);
-	n = getaddrinfo(NULL, buf, &h, &r);
-	if (n) {
-		lwsl_info("%s: getaddrinfo error: %s\n", __func__,
-			  gai_strerror(n));
-		goto bail;
-	}
-
-	for (rp = r; rp; rp = rp->ai_next) {
-		sock.sockfd = socket(rp->ai_family, rp->ai_socktype,
-				     rp->ai_protocol);
-		if (sock.sockfd >= 0)
-			break;
-	}
-	if (!rp) {
-		lwsl_err("%s: unable to create INET socket\n", __func__);
-		goto bail1;
-	}
-
-	if ((flags & LWS_CAUDP_BIND) && bind(sock.sockfd, rp->ai_addr,
-#if defined(_WIN32)
-			    (int)rp->ai_addrlen
-#else
-			    rp->ai_addrlen
-#endif
-	   ) == -1) {
-		lwsl_err("%s: bind failed\n", __func__);
-		goto bail2;
-	}
-
-	wsi = lws_adopt_descriptor_vhost(vhost, LWS_ADOPT_RAW_SOCKET_UDP, sock,
-				        protocol_name, parent_wsi);
-	if (!wsi)
-		lwsl_err("%s: udp adoption failed\n", __func__);
-
-bail2:
-	if (!wsi)
-		close((int)sock.sockfd);
-bail1:
-	freeaddrinfo(r);
-
-bail:
-	return wsi;
-}
-
-#endif
-
-
-
 static const char *hex = "0123456789ABCDEF";
 
 LWS_VISIBLE LWS_EXTERN const char *
@@ -2754,6 +2907,27 @@ lws_json_purify(char *escaped, const char *string, int len)
 	}
 
 	while (*p && len-- > 6) {
+		if (*p == '\t') {
+			p++;
+			*q++ = '\\';
+			*q++ = 't';
+			continue;
+		}
+
+		if (*p == '\n') {
+			p++;
+			*q++ = '\\';
+			*q++ = 'n';
+			continue;
+		}
+
+		if (*p == '\r') {
+			p++;
+			*q++ = '\\';
+			*q++ = 'r';
+			continue;
+		}
+
 		if (*p == '\"' || *p == '\\' || *p < 0x20) {
 			*q++ = '\\';
 			*q++ = 'u';
@@ -2890,6 +3064,13 @@ lws_finalize_startup(struct lws_context *context)
 	return 0;
 }
 
+LWS_VISIBLE LWS_EXTERN void
+lws_get_effective_uid_gid(struct lws_context *context, int *uid, int *gid)
+{
+	*uid = context->uid;
+	*gid = context->gid;
+}
+
 int
 lws_snprintf(char *str, size_t size, const char *format, ...)
 {
@@ -2919,6 +3100,316 @@ lws_strncpy(char *dest, const char *src, size_t size)
 }
 
 
+typedef enum {
+	LWS_TOKZS_LEADING_WHITESPACE,
+	LWS_TOKZS_QUOTED_STRING,
+	LWS_TOKZS_TOKEN,
+	LWS_TOKZS_TOKEN_POST_TERMINAL
+} lws_tokenize_state;
+
+int
+lws_tokenize(struct lws_tokenize *ts)
+{
+	const char *rfc7230_delims = "(),/:;<=>?@[\\]{}";
+	lws_tokenize_state state = LWS_TOKZS_LEADING_WHITESPACE;
+	char c, flo = 0, d_minus = '-', d_dot = '.', s_minus = '\0',
+	     s_dot = '\0';
+	signed char num = -1;
+	int utf8 = 0;
+
+	/* for speed, compute the effect of the flags outside the loop */
+
+	if (ts->flags & LWS_TOKENIZE_F_MINUS_NONTERM) {
+		d_minus = '\0';
+		s_minus = '-';
+	}
+	if (ts->flags & LWS_TOKENIZE_F_DOT_NONTERM) {
+		d_dot = '\0';
+		s_dot = '.';
+	}
+
+	ts->token = NULL;
+	ts->token_len = 0;
+
+	while (ts->len) {
+		c = *ts->start++;
+		ts->len--;
+
+		utf8 = lws_check_byte_utf8((unsigned char)utf8, c);
+		if (utf8 < 0)
+			return LWS_TOKZE_ERR_BROKEN_UTF8;
+
+		if (!c)
+			break;
+
+		/* whitespace */
+
+		if (c == ' ' || c == '\t' || c == '\n' || c == '\r' ||
+		    c == '\f') {
+			switch (state) {
+			case LWS_TOKZS_LEADING_WHITESPACE:
+			case LWS_TOKZS_TOKEN_POST_TERMINAL:
+				continue;
+			case LWS_TOKZS_QUOTED_STRING:
+				ts->token_len++;
+				continue;
+			case LWS_TOKZS_TOKEN:
+				/* we want to scan forward to look for = */
+
+				state = LWS_TOKZS_TOKEN_POST_TERMINAL;
+				continue;
+			}
+		}
+
+		/* quoted string */
+
+		if (c == '\"') {
+			if (state == LWS_TOKZS_QUOTED_STRING)
+				return LWS_TOKZE_QUOTED_STRING;
+
+			/* starting a quoted string */
+
+			if (ts->flags & LWS_TOKENIZE_F_COMMA_SEP_LIST) {
+				if (ts->delim == LWSTZ_DT_NEED_DELIM)
+					return LWS_TOKZE_ERR_COMMA_LIST;
+				ts->delim = LWSTZ_DT_NEED_DELIM;
+			}
+
+			state = LWS_TOKZS_QUOTED_STRING;
+			ts->token = ts->start;
+			ts->token_len = 0;
+
+			continue;
+		}
+
+		/* token= aggregation */
+
+		if (c == '=' && (state == LWS_TOKZS_TOKEN_POST_TERMINAL ||
+				 state == LWS_TOKZS_TOKEN)) {
+			if (num == 1)
+				return LWS_TOKZE_ERR_NUM_ON_LHS;
+			/* swallow the = */
+			return LWS_TOKZE_TOKEN_NAME_EQUALS;
+		}
+
+		/* optional token: aggregation */
+
+		if ((ts->flags & LWS_TOKENIZE_F_AGG_COLON) && c == ':' &&
+		    (state == LWS_TOKZS_TOKEN_POST_TERMINAL ||
+		     state == LWS_TOKZS_TOKEN))
+			/* swallow the : */
+			return LWS_TOKZE_TOKEN_NAME_COLON;
+
+		/* aggregate . in a number as a float */
+
+		if (c == '.' && !(ts->flags & LWS_TOKENIZE_F_NO_FLOATS) &&
+		    state == LWS_TOKZS_TOKEN && num == 1) {
+			if (flo)
+				return LWS_TOKZE_ERR_MALFORMED_FLOAT;
+			flo = 1;
+			ts->token_len++;
+			continue;
+		}
+
+		/*
+		 * Delimiter... by default anything that:
+		 *
+		 *  - isn't matched earlier, or
+		 *  - is [A-Z, a-z, 0-9, _], and
+		 *  - is not a partial utf8 char
+		 *
+		 * is a "delimiter", it marks the end of a token and is itself
+		 * reported as a single LWS_TOKZE_DELIMITER each time.
+		 *
+		 * However with LWS_TOKENIZE_F_RFC7230_DELIMS flag, tokens may
+		 * contain any noncontrol character that isn't defined in
+		 * rfc7230_delims, and only characters listed there are treated
+		 * as delimiters.
+		 */
+
+		if (!utf8 &&
+		     ((ts->flags & LWS_TOKENIZE_F_RFC7230_DELIMS &&
+		     strchr(rfc7230_delims, c) && c > 32) ||
+		    ((!(ts->flags & LWS_TOKENIZE_F_RFC7230_DELIMS) &&
+		     (c < '0' || c > '9') && (c < 'A' || c > 'Z') &&
+		     (c < 'a' || c > 'z') && c != '_') &&
+		     c != s_minus && c != s_dot) ||
+		    c == d_minus || c == d_dot
+		    )) {
+			switch (state) {
+			case LWS_TOKZS_LEADING_WHITESPACE:
+				if (ts->flags & LWS_TOKENIZE_F_COMMA_SEP_LIST) {
+					if (c != ',' ||
+					    ts->delim != LWSTZ_DT_NEED_DELIM)
+						return LWS_TOKZE_ERR_COMMA_LIST;
+					ts->delim = LWSTZ_DT_NEED_NEXT_CONTENT;
+				}
+
+				ts->token = ts->start - 1;
+				ts->token_len = 1;
+				return LWS_TOKZE_DELIMITER;
+
+			case LWS_TOKZS_QUOTED_STRING:
+				ts->token_len++;
+				continue;
+
+			case LWS_TOKZS_TOKEN_POST_TERMINAL:
+			case LWS_TOKZS_TOKEN:
+				/* report the delimiter next time */
+				ts->start--;
+				ts->len++;
+				goto token_or_numeric;
+			}
+		}
+
+		/* anything that's not whitespace or delimiter is payload */
+
+		switch (state) {
+		case LWS_TOKZS_LEADING_WHITESPACE:
+
+			if (ts->flags & LWS_TOKENIZE_F_COMMA_SEP_LIST) {
+				if (ts->delim == LWSTZ_DT_NEED_DELIM)
+					return LWS_TOKZE_ERR_COMMA_LIST;
+				ts->delim = LWSTZ_DT_NEED_DELIM;
+			}
+
+			state = LWS_TOKZS_TOKEN;
+			ts->token = ts->start - 1;
+			ts->token_len = 1;
+			if (c < '0' || c > '9')
+				num = 0;
+			else
+				if (num < 0)
+					num = 1;
+			continue;
+		case LWS_TOKZS_QUOTED_STRING:
+		case LWS_TOKZS_TOKEN:
+			if (c < '0' || c > '9')
+				num = 0;
+			else
+				if (num < 0)
+					num = 1;
+			ts->token_len++;
+			continue;
+		case LWS_TOKZS_TOKEN_POST_TERMINAL:
+			/* report the new token next time */
+			ts->start--;
+			ts->len++;
+			goto token_or_numeric;
+		}
+	}
+
+	/* we ran out of content */
+
+	if (utf8) /* ended partway through a multibyte char */
+		return LWS_TOKZE_ERR_BROKEN_UTF8;
+
+	if (state == LWS_TOKZS_QUOTED_STRING)
+		return LWS_TOKZE_ERR_UNTERM_STRING;
+
+	if (state != LWS_TOKZS_TOKEN_POST_TERMINAL &&
+	    state != LWS_TOKZS_TOKEN) {
+		if ((ts->flags & LWS_TOKENIZE_F_COMMA_SEP_LIST) &&
+		     ts->delim == LWSTZ_DT_NEED_NEXT_CONTENT)
+			return LWS_TOKZE_ERR_COMMA_LIST;
+
+		return LWS_TOKZE_ENDED;
+	}
+
+	/* report the pending token */
+
+token_or_numeric:
+
+	if (num != 1)
+		return LWS_TOKZE_TOKEN;
+	if (flo)
+		return LWS_TOKZE_FLOAT;
+
+	return LWS_TOKZE_INTEGER;
+}
+
+
+LWS_VISIBLE LWS_EXTERN int
+lws_tokenize_cstr(struct lws_tokenize *ts, char *str, int max)
+{
+	if (ts->token_len + 1 >= max)
+		return 1;
+
+	memcpy(str, ts->token, ts->token_len);
+	str[ts->token_len] = '\0';
+
+	return 0;
+}
+
+LWS_VISIBLE LWS_EXTERN void
+lws_tokenize_init(struct lws_tokenize *ts, const char *start, int flags)
+{
+	ts->start = start;
+	ts->len = 0x7fffffff;
+	ts->flags = flags;
+	ts->delim = LWSTZ_DT_NEED_FIRST_CONTENT;
+}
+
+#if LWS_MAX_SMP > 1
+
+void
+lws_mutex_refcount_init(struct lws_mutex_refcount *mr)
+{
+	pthread_mutex_init(&mr->lock, NULL);
+	mr->last_lock_reason = NULL;
+	mr->lock_depth = 0;
+	mr->metadata = 0;
+	mr->lock_owner = 0;
+}
+
+void
+lws_mutex_refcount_destroy(struct lws_mutex_refcount *mr)
+{
+	pthread_mutex_destroy(&mr->lock);
+}
+
+void
+lws_mutex_refcount_lock(struct lws_mutex_refcount *mr, const char *reason)
+{
+	/* if true, this sequence is atomic because our thread has the lock
+	 *
+	 *  - if true, only guy who can race to make it untrue is our thread,
+	 *    and we are here.
+	 *
+	 *  - if false, only guy who could race to make it true is our thread,
+	 *    and we are here
+	 *
+	 *  - it can be false and change to a different tid that is also false
+	 */
+	if (mr->lock_owner == pthread_self()) {
+		/* atomic because we only change it if we own the lock */
+		mr->lock_depth++;
+		return;
+	}
+
+	pthread_mutex_lock(&mr->lock);
+	/* atomic because only we can have the lock */
+	mr->last_lock_reason = reason;
+	mr->lock_owner = pthread_self();
+	mr->lock_depth = 1;
+	//lwsl_notice("tid %d: lock %s\n", mr->tid, reason);
+}
+
+void
+lws_mutex_refcount_unlock(struct lws_mutex_refcount *mr)
+{
+	if (--mr->lock_depth)
+		/* atomic because only thread that has the lock can unlock */
+		return;
+
+	mr->last_lock_reason = "free";
+	mr->lock_owner = 0;
+	//lwsl_notice("tid %d: unlock %s\n", mr->tid, mr->last_lock_reason);
+	pthread_mutex_unlock(&mr->lock);
+}
+
+#endif /* SMP */
+
 LWS_VISIBLE LWS_EXTERN int
 lws_is_cgi(struct lws *wsi) {
 #ifdef LWS_WITH_CGI
@@ -2941,6 +3432,21 @@ lws_pvo_search(const struct lws_protocol_vhost_options *pvo, const char *name)
 	return pvo;
 }
 
+int
+lws_pvo_get_str(void *in, const char *name, const char **result)
+{
+	const struct lws_protocol_vhost_options *pv =
+		lws_pvo_search((const struct lws_protocol_vhost_options *)in,
+				name);
+
+	if (!pv)
+		return 1;
+
+	*result = (const char *)pv->value;
+
+	return 0;
+}
+
 void
 lws_sum_stats(const struct lws_context *ctx, struct lws_conn_stats *cs)
 {
@@ -3255,9 +3761,10 @@ LWS_VISIBLE LWS_EXTERN void
 lws_stats_log_dump(struct lws_context *context)
 {
 	struct lws_vhost *v = context->vhost_list;
-	int n, m;
-
-	(void)m;
+	int n;
+#if defined(LWS_WITH_PEER_LIMITS)
+	int m;
+#endif
 
 	if (!context->updated)
 		return;
diff --git a/thirdparty/libwebsockets/core/output.c b/thirdparty/libwebsockets/lib/core/output.c
index 11965a06b9..49d289db40 100644
--- a/thirdparty/libwebsockets/core/output.c
+++ b/thirdparty/libwebsockets/lib/core/output.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets - small server side websockets and web server implementation
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -29,49 +29,65 @@ int lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len)
 	struct lws_context *context = lws_get_context(wsi);
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
 	size_t real_len = len;
-	unsigned int n;
+	unsigned int n, m;
 
-	// lwsl_hexdump_err(buf, len);
+	// lwsl_notice("%s: len %d\n", __func__, (int)len);
+	// lwsl_hexdump_level(LLL_NOTICE, buf, len);
 
 	/*
 	 * Detect if we got called twice without going through the
-	 * event loop to handle pending.  This would be caused by either
-	 * back-to-back writes in one WRITABLE (illegal) or calling lws_write()
-	 * from outside the WRITABLE callback (illegal).
+	 * event loop to handle pending.  Since that guarantees extending any
+	 * existing buflist_out it's inefficient.
 	 */
-	if (wsi->could_have_pending) {
-		lwsl_hexdump_level(LLL_ERR, buf, len);
-		lwsl_err("** %p: vh: %s, prot: %s, role %s: "
-			 "Illegal back-to-back write of %lu detected...\n",
+	if (0 && buf && wsi->could_have_pending) {
+		lwsl_hexdump_level(LLL_INFO, buf, len);
+		lwsl_info("** %p: vh: %s, prot: %s, role %s: "
+			 "Inefficient back-to-back write of %lu detected...\n",
 			 wsi, wsi->vhost->name, wsi->protocol->name,
 			 wsi->role_ops->name,
 			 (unsigned long)len);
-		// assert(0);
-
-		return -1;
 	}
 
 	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_API_WRITE, 1);
 
-	if (!len)
-		return 0;
 	/* just ignore sends after we cleared the truncation buffer */
-	if (lwsi_state(wsi) == LRS_FLUSHING_BEFORE_CLOSE && !wsi->trunc_len)
+	if (lwsi_state(wsi) == LRS_FLUSHING_BEFORE_CLOSE &&
+	    !lws_has_buffered_out(wsi)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	    && !wsi->http.comp_ctx.may_have_more
+#endif
+	    )
 		return (int)len;
 
-	if (wsi->trunc_len && (buf < wsi->trunc_alloc ||
-	    buf > (wsi->trunc_alloc + wsi->trunc_len + wsi->trunc_offset))) {
-		lwsl_hexdump_level(LLL_ERR, buf, len);
-		lwsl_err("** %p: vh: %s, prot: %s, Sending new %lu, pending truncated ...\n"
-			 "   It's illegal to do an lws_write outside of\n"
-			 "   the writable callback: fix your code\n",
+	if (buf && lws_has_buffered_out(wsi)) {
+		lwsl_info("** %p: vh: %s, prot: %s, incr buflist_out by %lu\n",
 			 wsi, wsi->vhost->name, wsi->protocol->name,
 			 (unsigned long)len);
-		assert(0);
 
-		return -1;
+		/*
+		 * already buflist ahead of this, add it on the tail of the
+		 * buflist, then ignore it for now and act like we're flushing
+		 * the buflist...
+		 */
+
+		lws_buflist_append_segment(&wsi->buflist_out, buf, len);
+
+		buf = NULL;
+		len = 0;
 	}
 
+	if (wsi->buflist_out) {
+		/* we have to drain the earliest buflist_out stuff first */
+
+		len = lws_buflist_next_segment_len(&wsi->buflist_out, &buf);
+		real_len = len;
+
+		lwsl_debug("%s: draining %d\n", __func__, (int)len);
+	}
+
+	if (!len || !buf)
+		return 0;
+
 	if (!wsi->http2_substream && !lws_socket_is_valid(wsi->desc.sockfd))
 		lwsl_warn("** error invalid sock but expected to send\n");
 
@@ -89,13 +105,15 @@ int lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len)
 
 	/* nope, send it on the socket directly */
 	lws_latency_pre(context, wsi);
-	n = lws_ssl_capable_write(wsi, buf, n);
-	lws_latency(context, wsi, "send lws_issue_raw", n, n == len);
+	m = lws_ssl_capable_write(wsi, buf, n);
+	lws_latency(context, wsi, "send lws_issue_raw", n, n == m);
+
+	lwsl_info("%s: ssl_capable_write (%d) says %d\n", __func__, n, m);
 
 	/* something got written, it can have been truncated now */
 	wsi->could_have_pending = 1;
 
-	switch (n) {
+	switch (m) {
 	case LWS_SSL_CAPABLE_ERROR:
 		/* we're going to close, let close know sends aren't possible */
 		wsi->socket_is_permanently_unusable = 1;
@@ -106,24 +124,29 @@ int lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len)
 		 * ie, implying treat it was a truncated send so it gets
 		 * retried
 		 */
-		n = 0;
+		m = 0;
 		break;
 	}
 
 	/*
-	 * we were already handling a truncated send?
+	 * we were sending this from buflist_out?  Then not sending everything
+	 * is a small matter of advancing ourselves only by the amount we did
+	 * send in the buflist.
 	 */
-	if (wsi->trunc_len) {
-		lwsl_info("%p partial adv %d (vs %ld)\n", wsi, n, (long)real_len);
-		wsi->trunc_offset += n;
-		wsi->trunc_len -= n;
-
-		if (!wsi->trunc_len) {
-			lwsl_info("** %p partial send completed\n", wsi);
-			/* done with it, but don't free it */
-			n = (int)real_len;
+	if (lws_has_buffered_out(wsi)) {
+		if (m) {
+			lwsl_info("%p partial adv %d (vs %ld)\n", wsi, m,
+					(long)real_len);
+			lws_buflist_use_segment(&wsi->buflist_out, m);
+		}
+
+		if (!lws_has_buffered_out(wsi)) {
+			lwsl_info("%s: wsi %p: buflist_out flushed\n",
+				  __func__, wsi);
+
+			m = (int)real_len;
 			if (lwsi_state(wsi) == LRS_FLUSHING_BEFORE_CLOSE) {
-				lwsl_info("** %p signalling to close now\n", wsi);
+				lwsl_info("*%p signalling to close now\n", wsi);
 				return -1; /* retry closing now */
 			}
 
@@ -134,7 +157,8 @@ int lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len)
 					    "deferred transaction completed\n",
 					    __func__);
 				wsi->http.deferred_transaction_completed = 0;
-				return lws_http_transaction_completed(wsi);
+				return lws_http_transaction_completed(wsi) ?
+							-1 : (int)real_len;
 			}
 #endif
 #endif
@@ -142,43 +166,32 @@ int lws_issue_raw(struct lws *wsi, unsigned char *buf, size_t len)
 		/* always callback on writeable */
 		lws_callback_on_writable(wsi);
 
-		return n;
+		return m;
 	}
 
-	if ((unsigned int)n == real_len)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.comp_ctx.may_have_more)
+		lws_callback_on_writable(wsi);
+#endif
+
+	if (m == real_len)
 		/* what we just sent went out cleanly */
-		return n;
+		return m;
 
 	/*
-	 * Newly truncated send.  Buffer the remainder (it will get
-	 * first priority next time the socket is writable).
+	 * We were not able to send everything... and we were not sending from
+	 * an existing buflist_out.  So we are starting a fresh buflist_out, by
+	 * buffering the unsent remainder on it.
+	 * (it will get first priority next time the socket is writable).
 	 */
-	lwsl_debug("%p new partial sent %d from %lu total\n", wsi, n,
+	lwsl_debug("%p new partial sent %d from %lu total\n", wsi, m,
 		    (unsigned long)real_len);
 
-	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITE_PARTIALS, 1);
-	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_B_PARTIALS_ACCEPTED_PARTS, n);
+	lws_buflist_append_segment(&wsi->buflist_out, buf + m, real_len - m);
 
-	/*
-	 *  - if we still have a suitable malloc lying around, use it
-	 *  - or, if too small, reallocate it
-	 *  - or, if no buffer, create it
-	 */
-	if (!wsi->trunc_alloc || real_len - n > wsi->trunc_alloc_len) {
-		lws_free(wsi->trunc_alloc);
-
-		wsi->trunc_alloc_len = (unsigned int)(real_len - n);
-		wsi->trunc_alloc = lws_malloc(real_len - n,
-					      "truncated send alloc");
-		if (!wsi->trunc_alloc) {
-			lwsl_err("truncated send: unable to malloc %lu\n",
-				 (unsigned long)(real_len - n));
-			return -1;
-		}
-	}
-	wsi->trunc_offset = 0;
-	wsi->trunc_len = (unsigned int)(real_len - n);
-	memcpy(wsi->trunc_alloc, buf + n, real_len - n);
+	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITE_PARTIALS, 1);
+	lws_stats_atomic_bump(wsi->context, pt,
+			      LWSSTATS_B_PARTIALS_ACCEPTED_PARTS, m);
 
 #if !defined(LWS_WITH_ESP32)
 	if (lws_wsi_is_udp(wsi)) {
@@ -199,23 +212,6 @@ LWS_VISIBLE int lws_write(struct lws *wsi, unsigned char *buf, size_t len,
 {
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
 
-	if (wsi->parent_carries_io) {
-		struct lws_write_passthru pas;
-
-		pas.buf = buf;
-		pas.len = len;
-		pas.wp = wp;
-		pas.wsi = wsi;
-
-		if (wsi->parent->protocol->callback(wsi->parent,
-				LWS_CALLBACK_CHILD_WRITE_VIA_PARENT,
-				wsi->parent->user_space,
-				(void *)&pas, 0))
-			return 1;
-
-		return (int)len;
-	}
-
 	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_API_LWS_WRITE, 1);
 
 	if ((int)len < 0) {
@@ -258,6 +254,10 @@ lws_ssl_capable_read_no_ssl(struct lws *wsi, unsigned char *buf, int len)
 		n = recv(wsi->desc.sockfd, (char *)buf, len, 0);
 
 	if (n >= 0) {
+
+		if (!n && wsi->unix_skt)
+			return LWS_SSL_CAPABLE_ERROR;
+
 		if (wsi->vhost)
 			wsi->vhost->conn_stats.rx += n;
 		lws_stats_atomic_bump(context, pt, LWSSTATS_B_READ, n);
@@ -270,7 +270,7 @@ lws_ssl_capable_read_no_ssl(struct lws *wsi, unsigned char *buf, int len)
 	    LWS_ERRNO == LWS_EINTR)
 		return LWS_SSL_CAPABLE_MORE_SERVICE;
 
-	lwsl_notice("error on reading from skt : %d\n", LWS_ERRNO);
+	lwsl_info("error on reading from skt : %d\n", LWS_ERRNO);
 	return LWS_SSL_CAPABLE_ERROR;
 }
 
@@ -281,10 +281,13 @@ lws_ssl_capable_write_no_ssl(struct lws *wsi, unsigned char *buf, int len)
 
 	if (lws_wsi_is_udp(wsi)) {
 #if !defined(LWS_WITH_ESP32)
-		if (wsi->trunc_len)
-			n = sendto(wsi->desc.sockfd, buf, len, 0, &wsi->udp->sa_pending, wsi->udp->salen_pending);
+		if (lws_has_buffered_out(wsi))
+			n = sendto(wsi->desc.sockfd, (const char *)buf,
+				   len, 0, &wsi->udp->sa_pending,
+				   wsi->udp->salen_pending);
 		else
-			n = sendto(wsi->desc.sockfd, buf, len, 0, &wsi->udp->sa, wsi->udp->salen);
+			n = sendto(wsi->desc.sockfd, (const char *)buf,
+				   len, 0, &wsi->udp->sa, wsi->udp->salen);
 #endif
 	} else
 		n = send(wsi->desc.sockfd, (char *)buf, len, MSG_NOSIGNAL);
@@ -303,7 +306,7 @@ lws_ssl_capable_write_no_ssl(struct lws *wsi, unsigned char *buf, int len)
 	}
 
 	lwsl_debug("ERROR writing len %d to skt fd %d err %d / errno %d\n",
-			len, wsi->desc.sockfd, n, LWS_ERRNO);
+		   len, wsi->desc.sockfd, n, LWS_ERRNO);
 
 	return LWS_SSL_CAPABLE_ERROR;
 }
diff --git a/thirdparty/libwebsockets/core/pollfd.c b/thirdparty/libwebsockets/lib/core/pollfd.c
index 2a632ce8ec..834298577a 100644
--- a/thirdparty/libwebsockets/core/pollfd.c
+++ b/thirdparty/libwebsockets/lib/core/pollfd.c
@@ -134,7 +134,8 @@ _lws_change_pollfd(struct lws *wsi, int _and, int _or, struct lws_pollargs *pa)
 
 	pfd = &pt->fds[wsi->position_in_fds_table];
 	pa->fd = wsi->desc.sockfd;
-	lwsl_debug("%s: wsi %p: fd %d events %d -> %d\n", __func__, wsi, pa->fd, pfd->events, (pfd->events & ~_and) | _or);
+	lwsl_debug("%s: wsi %p: fd %d events %d -> %d\n", __func__, wsi,
+		   pa->fd, pfd->events, (pfd->events & ~_and) | _or);
 	pa->prev_events = pfd->events;
 	pa->events = pfd->events = (pfd->events & ~_and) | _or;
 
@@ -182,7 +183,7 @@ _lws_change_pollfd(struct lws *wsi, int _and, int _or, struct lws_pollargs *pa)
 			ret = -1;
 			goto bail;
 		}
-		sampled_tid = context->service_tid;
+		sampled_tid = pt->service_tid;
 		if (sampled_tid && wsi->vhost) {
 			tid = wsi->vhost->protocols[0].callback(wsi,
 				     LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
@@ -245,7 +246,8 @@ __insert_wsi_socket_into_fds(struct lws_context *context, struct lws *wsi)
 #if !defined(_WIN32)
 	if (wsi->desc.sockfd - lws_plat_socket_offset() >= context->max_fds) {
 		lwsl_err("Socket fd %d is too high (%d) offset %d\n",
-			 wsi->desc.sockfd, context->max_fds, lws_plat_socket_offset());
+			 wsi->desc.sockfd, context->max_fds,
+			 lws_plat_socket_offset());
 		return 1;
 	}
 #endif
@@ -298,11 +300,6 @@ __remove_wsi_socket_from_fds(struct lws *wsi)
 	int v;
 	int m, ret = 0;
 
-	if (wsi->parent_carries_io) {
-		lws_same_vh_protocol_remove(wsi);
-		return 0;
-	}
-
 #if !defined(_WIN32)
 	if (wsi->desc.sockfd - lws_plat_socket_offset() > context->max_fds) {
 		lwsl_err("fd %d too high (%d)\n", wsi->desc.sockfd,
@@ -330,7 +327,7 @@ __remove_wsi_socket_from_fds(struct lws *wsi)
 				  LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE |
 				  LWS_EV_PREPARE_DELETION);
 
-	lwsl_debug("%s: wsi=%p, sock=%d, fds pos=%d, end guy pos=%d, endfd=%d\n",
+	lwsl_debug("%s: wsi=%p, skt=%d, fds pos=%d, end guy pos=%d, endfd=%d\n",
 		  __func__, wsi, wsi->desc.sockfd, wsi->position_in_fds_table,
 		  pt->fds_count, pt->fds[pt->fds_count].fd);
 
@@ -340,11 +337,13 @@ __remove_wsi_socket_from_fds(struct lws *wsi)
 		pt->fds[m] = pt->fds[pt->fds_count - 1];
 		/* this decrements pt->fds_count */
 		lws_plat_delete_socket_from_fds(context, wsi, m);
+		pt->count_conns--;
 		v = (int) pt->fds[m].fd;
-		/* end guy's "position in fds table" is now the deletion guy's old one */
+		/* end guy's "position in fds table" is now the deletion
+		 * guy's old one */
 		end_wsi = wsi_from_fd(context, v);
 		if (!end_wsi) {
-			lwsl_err("no wsi for fd %d at pos %d, pt->fds_count=%d\n",
+			lwsl_err("no wsi for fd %d pos %d, pt->fds_count=%d\n",
 				 (int)pt->fds[m].fd, m, pt->fds_count);
 			assert(0);
 		} else
@@ -426,7 +425,6 @@ LWS_VISIBLE int
 lws_callback_on_writable(struct lws *wsi)
 {
 	struct lws_context_per_thread *pt;
-	int n;
 
 	if (lwsi_state(wsi) == LRS_SHUTDOWN)
 		return 0;
@@ -436,26 +434,10 @@ lws_callback_on_writable(struct lws *wsi)
 
 	pt = &wsi->context->pt[(int)wsi->tsi];
 
-	if (wsi->parent_carries_io) {
-#if defined(LWS_WITH_STATS)
-		if (!wsi->active_writable_req_us) {
-			wsi->active_writable_req_us = time_in_microseconds();
-			lws_stats_atomic_bump(wsi->context, pt,
-					      LWSSTATS_C_WRITEABLE_CB_EFF_REQ, 1);
-		}
-#endif
-		n = lws_callback_on_writable(wsi->parent);
-		if (n < 0)
-			return n;
-
-		wsi->parent_pending_cb_on_writable = 1;
-		return 1;
-	}
-
 	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITEABLE_CB_REQ, 1);
 #if defined(LWS_WITH_STATS)
 	if (!wsi->active_writable_req_us) {
-		wsi->active_writable_req_us = time_in_microseconds();
+		wsi->active_writable_req_us = lws_time_in_microseconds();
 		lws_stats_atomic_bump(wsi->context, pt,
 				      LWSSTATS_C_WRITEABLE_CB_EFF_REQ, 1);
 	}
@@ -493,64 +475,33 @@ lws_callback_on_writable(struct lws *wsi)
 void
 lws_same_vh_protocol_insert(struct lws *wsi, int n)
 {
-	if (wsi->same_vh_protocol_prev || wsi->same_vh_protocol_next) {
-		lws_same_vh_protocol_remove(wsi);
-		lwsl_notice("Attempted to attach wsi twice to same vh prot\n");
-	}
-
 	lws_vhost_lock(wsi->vhost);
 
-	wsi->same_vh_protocol_prev = &wsi->vhost->same_vh_protocol_list[n];
-	/* old first guy is our next */
-	wsi->same_vh_protocol_next =  wsi->vhost->same_vh_protocol_list[n];
-	/* we become the new first guy */
-	wsi->vhost->same_vh_protocol_list[n] = wsi;
+	if (!lws_dll_is_null(&wsi->same_vh_protocol))
+		lws_dll_lws_remove(&wsi->same_vh_protocol);
 
-	if (wsi->same_vh_protocol_next)
-		/* old first guy points back to us now */
-		wsi->same_vh_protocol_next->same_vh_protocol_prev =
-				&wsi->same_vh_protocol_next;
-
-	wsi->on_same_vh_list = 1;
+	lws_dll_lws_add_front(&wsi->same_vh_protocol,
+			      &wsi->vhost->same_vh_protocol_heads[n]);
 
 	lws_vhost_unlock(wsi->vhost);
 }
 
 void
-lws_same_vh_protocol_remove(struct lws *wsi)
+__lws_same_vh_protocol_remove(struct lws *wsi)
 {
-	/*
-	 * detach ourselves from vh protocol list if we're on one
-	 * A -> B -> C
-	 * A -> C , or, B -> C, or A -> B
-	 *
-	 * OK to call on already-detached wsi
-	 */
-	lwsl_info("%s: removing same prot wsi %p\n", __func__, wsi);
+	if (!lws_dll_is_null(&wsi->same_vh_protocol))
+		lws_dll_lws_remove(&wsi->same_vh_protocol);
+}
 
-	if (!wsi->vhost || !wsi->on_same_vh_list)
+void
+lws_same_vh_protocol_remove(struct lws *wsi)
+{
+	if (!wsi->vhost)
 		return;
 
 	lws_vhost_lock(wsi->vhost);
 
-	if (wsi->same_vh_protocol_prev) {
-		assert (*(wsi->same_vh_protocol_prev) == wsi);
-		lwsl_info("have prev %p, setting him to our next %p\n",
-			 wsi->same_vh_protocol_prev,
-			 wsi->same_vh_protocol_next);
-
-		/* guy who pointed to us should point to our next */
-		*(wsi->same_vh_protocol_prev) = wsi->same_vh_protocol_next;
-	}
-
-	/* our next should point back to our prev */
-	if (wsi->same_vh_protocol_next)
-		wsi->same_vh_protocol_next->same_vh_protocol_prev =
-				wsi->same_vh_protocol_prev;
-
-	wsi->same_vh_protocol_prev = NULL;
-	wsi->same_vh_protocol_next = NULL;
-	wsi->on_same_vh_list = 0;
+	__lws_same_vh_protocol_remove(wsi);
 
 	lws_vhost_unlock(wsi->vhost);
 }
@@ -558,9 +509,10 @@ lws_same_vh_protocol_remove(struct lws *wsi)
 
 LWS_VISIBLE int
 lws_callback_on_writable_all_protocol_vhost(const struct lws_vhost *vhost,
-				      const struct lws_protocols *protocol)
+				           const struct lws_protocols *protocol)
 {
 	struct lws *wsi;
+	int n;
 
 	if (protocol < vhost->protocols ||
 	    protocol >= (vhost->protocols + vhost->count_protocols)) {
@@ -571,18 +523,16 @@ lws_callback_on_writable_all_protocol_vhost(const struct lws_vhost *vhost,
 		return -1;
 	}
 
-	wsi = vhost->same_vh_protocol_list[protocol - vhost->protocols];
-	while (wsi) {
-		assert(wsi->protocol == protocol);
-		assert(*wsi->same_vh_protocol_prev == wsi);
-		if (wsi->same_vh_protocol_next)
-			assert(wsi->same_vh_protocol_next->
-					same_vh_protocol_prev ==
-					&wsi->same_vh_protocol_next);
+	n = (int)(protocol - vhost->protocols);
 
+	lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
+				   vhost->same_vh_protocol_heads[n].next) {
+		wsi = lws_container_of(d, struct lws, same_vh_protocol);
+
+		assert(wsi->protocol == protocol);
 		lws_callback_on_writable(wsi);
-		wsi = wsi->same_vh_protocol_next;
-	}
+
+	} lws_end_foreach_dll_safe(d, d1);
 
 	return 0;
 }
@@ -602,7 +552,7 @@ lws_callback_on_writable_all_protocol(const struct lws_context *context,
 	while (vhost) {
 		for (n = 0; n < vhost->count_protocols; n++)
 			if (protocol->callback ==
-			    vhost->protocols[n].callback &&
+			     vhost->protocols[n].callback &&
 			    !strcmp(protocol->name, vhost->protocols[n].name))
 				break;
 		if (n != vhost->count_protocols)
diff --git a/thirdparty/libwebsockets/core/private.h b/thirdparty/libwebsockets/lib/core/private.h
index 73748b0498..c1a0a661b1 100644
--- a/thirdparty/libwebsockets/core/private.h
+++ b/thirdparty/libwebsockets/lib/core/private.h
@@ -36,10 +36,6 @@
  typedef float _Float128x;
 #endif
 
-#ifdef LWS_HAVE_SYS_TYPES_H
- #include <sys/types.h>
-#endif
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -48,271 +44,17 @@
 #include <limits.h>
 #include <stdarg.h>
 #include <inttypes.h>
-
-#if defined(LWS_WITH_ESP32)
- #define MSG_NOSIGNAL 0
- #define SOMAXCONN 3
-#endif
-
-#define STORE_IN_ROM
 #include <assert.h>
-#if LWS_MAX_SMP > 1
- #include <pthread.h>
-#endif
-
-#ifdef LWS_HAVE_SYS_STAT_H
- #include <sys/stat.h>
-#endif
-
-#if defined(WIN32) || defined(_WIN32)
-
- #ifndef WIN32_LEAN_AND_MEAN
-  #define WIN32_LEAN_AND_MEAN
- #endif
-
- #if (WINVER < 0x0501)
-  #undef WINVER
-  #undef _WIN32_WINNT
-  #define WINVER 0x0501
-  #define _WIN32_WINNT WINVER
- #endif
-
- #define LWS_NO_DAEMONIZE
- #define LWS_ERRNO WSAGetLastError()
- #define LWS_EAGAIN WSAEWOULDBLOCK
- #define LWS_EALREADY WSAEALREADY
- #define LWS_EINPROGRESS WSAEINPROGRESS
- #define LWS_EINTR WSAEINTR
- #define LWS_EISCONN WSAEISCONN
- #define LWS_EWOULDBLOCK WSAEWOULDBLOCK
- #define MSG_NOSIGNAL 0
- #define SHUT_RDWR SD_BOTH
- #define SOL_TCP IPPROTO_TCP
- #define SHUT_WR SD_SEND
-
- #define compatible_close(fd) closesocket(fd)
- #define lws_set_blocking_send(wsi) wsi->sock_send_blocking = 1
- #define LWS_SOCK_INVALID (INVALID_SOCKET)
-
- #include <winsock2.h>
- #include <ws2tcpip.h>
- #include <windows.h>
- #include <tchar.h>
- #ifdef LWS_HAVE_IN6ADDR_H
-  #include <in6addr.h>
- #endif
- #include <mstcpip.h>
- #include <io.h>
-
- #if !defined(LWS_HAVE_ATOLL)
-  #if defined(LWS_HAVE__ATOI64)
-   #define atoll _atoi64
-  #else
-   #warning No atoll or _atoi64 available, using atoi
-   #define atoll atoi
-  #endif
- #endif
-
- #ifndef __func__
-  #define __func__ __FUNCTION__
- #endif
-
- #ifdef LWS_HAVE__VSNPRINTF
-  #define vsnprintf _vsnprintf
- #endif
 
- /* we don't have an implementation for this on windows... */
- int kill(int pid, int sig);
- int fork(void);
- #ifndef SIGINT
-  #define SIGINT 2
- #endif
-
-#else /* not windows --> */
-
- #include <fcntl.h>
- #include <strings.h>
- #include <unistd.h>
+#ifdef LWS_HAVE_SYS_TYPES_H
  #include <sys/types.h>
-
- #ifndef __cplusplus
-  #include <errno.h>
- #endif
- #include <netdb.h>
- #include <signal.h>
- #include <sys/socket.h>
-
- #if defined(LWS_BUILTIN_GETIFADDRS)
-  #include "./misc/getifaddrs.h"
- #else
-  #if !defined(LWS_WITH_ESP32)
-   #if defined(__HAIKU__)
-    #define _BSD_SOURCE
-   #endif
-   #include <ifaddrs.h>
-  #endif
- #endif
- #if defined (__ANDROID__)
-  #include <syslog.h>
-  #include <sys/resource.h>
- #elif defined (__sun) || defined(__HAIKU__) || defined(__QNX__)
-  #include <syslog.h>
- #else
-  #if !defined(LWS_WITH_ESP32)
-   #include <sys/syslog.h>
-  #endif
- #endif
- #include <netdb.h>
- #if !defined(LWS_WITH_ESP32)
-  #include <sys/mman.h>
-  #include <sys/un.h>
-  #include <netinet/in.h>
-  #include <netinet/tcp.h>
-  #include <arpa/inet.h>
-  #include <poll.h>
- #endif
- #ifndef LWS_NO_FORK
-  #ifdef LWS_HAVE_SYS_PRCTL_H
-   #include <sys/prctl.h>
-  #endif
- #endif
-
- #include <sys/time.h>
-
- #define LWS_ERRNO errno
- #define LWS_EAGAIN EAGAIN
- #define LWS_EALREADY EALREADY
- #define LWS_EINPROGRESS EINPROGRESS
- #define LWS_EINTR EINTR
- #define LWS_EISCONN EISCONN
- #define LWS_EWOULDBLOCK EWOULDBLOCK
-
- #define lws_set_blocking_send(wsi)
-
- #define LWS_SOCK_INVALID (-1)
-#endif /* not windows */
-
-#ifndef LWS_HAVE_BZERO
- #ifndef bzero
-  #define bzero(b, len) (memset((b), '\0', (len)), (void) 0)
- #endif
 #endif
-
-#ifndef LWS_HAVE_STRERROR
- #define strerror(x) ""
-#endif
-
-
-#define lws_socket_is_valid(x) (x != LWS_SOCK_INVALID)
-
-#include "libwebsockets.h"
-
-#include "tls/private.h"
-
-#if defined(WIN32) || defined(_WIN32)
- #include <gettimeofday.h>
-
- #ifndef BIG_ENDIAN
-  #define BIG_ENDIAN    4321  /* to show byte order (taken from gcc) */
- #endif
- #ifndef LITTLE_ENDIAN
-  #define LITTLE_ENDIAN 1234
- #endif
- #ifndef BYTE_ORDER
-  #define BYTE_ORDER LITTLE_ENDIAN
- #endif
-
- #undef __P
- #ifndef __P
-  #if __STDC__
-   #define __P(protos) protos
-  #else
-   #define __P(protos) ()
-  #endif
- #endif
-
-#else /* not windows */
- static LWS_INLINE int compatible_close(int fd) { return close(fd); }
-
+#ifdef LWS_HAVE_SYS_STAT_H
  #include <sys/stat.h>
- #include <sys/time.h>
-
- #if defined(__APPLE__)
-  #include <machine/endian.h>
- #elif defined(__FreeBSD__)
-  #include <sys/endian.h>
- #elif defined(__linux__)
-  #include <endian.h>
- #endif
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if defined(__QNX__)
-	#include <gulliver.h>
-	#if defined(__LITTLEENDIAN__)
-		#define BYTE_ORDER __LITTLEENDIAN__
-		#define LITTLE_ENDIAN __LITTLEENDIAN__
-		#define BIG_ENDIAN 4321  /* to show byte order (taken from gcc); for suppres warning that BIG_ENDIAN is not defined. */
-	#endif
-	#if defined(__BIGENDIAN__)
-		#define BYTE_ORDER __BIGENDIAN__
-		#define LITTLE_ENDIAN 1234  /* to show byte order (taken from gcc); for suppres warning that LITTLE_ENDIAN is not defined. */
-		#define BIG_ENDIAN __BIGENDIAN__
-	#endif
-#endif
-
-#if defined(__sun) && defined(__GNUC__)
-
- #include <arpa/nameser_compat.h>
-
- #if !defined (BYTE_ORDER)
-  #define BYTE_ORDER __BYTE_ORDER__
- #endif
-
- #if !defined(LITTLE_ENDIAN)
-  #define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
- #endif
-
- #if !defined(BIG_ENDIAN)
-  #define BIG_ENDIAN __ORDER_BIG_ENDIAN__
- #endif
-
-#endif /* sun + GNUC */
-
-#if !defined(BYTE_ORDER)
- #define BYTE_ORDER __BYTE_ORDER
-#endif
-#if !defined(LITTLE_ENDIAN)
- #define LITTLE_ENDIAN __LITTLE_ENDIAN
-#endif
-#if !defined(BIG_ENDIAN)
- #define BIG_ENDIAN __BIG_ENDIAN
-#endif
-
-
-/*
- * Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
- * but happily have something equivalent in the SO_NOSIGPIPE flag.
- */
-#ifdef __APPLE__
-#define MSG_NOSIGNAL SO_NOSIGPIPE
-#endif
-
-/*
- * Solaris 11.X only supports POSIX 2001, MSG_NOSIGNAL appears in
- * POSIX 2008.
- */
-#ifdef __sun
- #define MSG_NOSIGNAL 0
 #endif
 
-#ifdef _WIN32
- #ifndef FD_HASHTABLE_MODULUS
-  #define FD_HASHTABLE_MODULUS 32
- #endif
+#if LWS_MAX_SMP > 1
+ #include <pthread.h>
 #endif
 
 #ifndef LWS_DEF_HEADER_LEN
@@ -351,6 +93,49 @@ extern "C" {
 
 #define LWS_H2_RX_SCRATCH_SIZE 512
 
+#define lws_socket_is_valid(x) (x != LWS_SOCK_INVALID)
+
+#ifndef LWS_HAVE_STRERROR
+ #define strerror(x) ""
+#endif
+
+ /*
+  *
+  *  ------ private platform defines ------
+  *
+  */
+
+#if defined(LWS_WITH_ESP32)
+ #include "plat/esp32/private.h"
+#else
+ #if defined(WIN32) || defined(_WIN32)
+  #include "plat/windows/private.h"
+ #else
+  #if defined(LWS_PLAT_OPTEE)
+   #include "plat/optee/private.h"
+  #else
+   #include "plat/unix/private.h"
+  #endif
+ #endif
+#endif
+
+#ifndef LWS_HAVE_BZERO
+ #ifndef bzero
+  #define bzero(b, len) (memset((b), '\0', (len)), (void) 0)
+ #endif
+#endif
+
+ /*
+  *
+  *  ------ public api ------
+  *
+  */
+
+#include "libwebsockets.h"
+
+
+#include "tls/private.h"
+
 #if defined(WIN32) || defined(_WIN32)
 	 // Visual studio older than 2015 and WIN_CE has only _stricmp
 	#if (defined(_MSC_VER) && _MSC_VER < 1900) || defined(_WIN32_WCE)
@@ -361,6 +146,14 @@ extern "C" {
 	#define getdtablesize() 30000
 #endif
 
+#ifndef LWS_ARRAY_SIZE
+#define LWS_ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * All lws_tls...() functions must return this type, converting the
  * native backend result and doing the extra work to determine which one
@@ -371,11 +164,11 @@ extern "C" {
  * Non-SSL mode also uses these types.
  */
 enum lws_ssl_capable_status {
-	LWS_SSL_CAPABLE_ERROR = -1,		 /* it failed */
-	LWS_SSL_CAPABLE_DONE = 0,		 /* it succeeded */
-	LWS_SSL_CAPABLE_MORE_SERVICE_READ = -2,	 /* retry WANT_READ */
-	LWS_SSL_CAPABLE_MORE_SERVICE_WRITE = -3,  /* retry WANT_WRITE */
-	LWS_SSL_CAPABLE_MORE_SERVICE = -4,	 /* general retry */
+	LWS_SSL_CAPABLE_ERROR			= -1, /* it failed */
+	LWS_SSL_CAPABLE_DONE			= 0,  /* it succeeded */
+	LWS_SSL_CAPABLE_MORE_SERVICE_READ	= -2, /* retry WANT_READ */
+	LWS_SSL_CAPABLE_MORE_SERVICE_WRITE	= -3, /* retry WANT_WRITE */
+	LWS_SSL_CAPABLE_MORE_SERVICE		= -4, /* general retry */
 };
 
 #if defined(__clang__)
@@ -517,14 +310,6 @@ struct lws_signal_watcher {
 	struct lws_context *context;
 };
 
-#ifdef _WIN32
-#define LWS_FD_HASH(fd) ((fd ^ (fd >> 8) ^ (fd >> 16)) % FD_HASHTABLE_MODULUS)
-struct lws_fd_hashtable {
-	struct lws **wsi;
-	int length;
-};
-#endif
-
 struct lws_foreign_thread_pollfd {
 	struct lws_foreign_thread_pollfd *next;
 	int fd_index;
@@ -532,6 +317,28 @@ struct lws_foreign_thread_pollfd {
 	int _or;
 };
 
+#if LWS_MAX_SMP > 1
+
+struct lws_mutex_refcount {
+	pthread_mutex_t lock;
+	pthread_t lock_owner;
+	const char *last_lock_reason;
+	char lock_depth;
+	char metadata;
+};
+
+void
+lws_mutex_refcount_init(struct lws_mutex_refcount *mr);
+
+void
+lws_mutex_refcount_destroy(struct lws_mutex_refcount *mr);
+
+void
+lws_mutex_refcount_lock(struct lws_mutex_refcount *mr, const char *reason);
+
+void
+lws_mutex_refcount_unlock(struct lws_mutex_refcount *mr);
+#endif
 
 #define LWS_HRTIMER_NOWAIT (0x7fffffffffffffffll)
 
@@ -542,10 +349,9 @@ struct lws_foreign_thread_pollfd {
 
 struct lws_context_per_thread {
 #if LWS_MAX_SMP > 1
-	pthread_mutex_t lock;
 	pthread_mutex_t lock_stats;
-	pthread_t lock_owner;
-	const char *last_lock_reason;
+	struct lws_mutex_refcount mr;
+	pthread_t self;
 #endif
 
 	struct lws_context *context;
@@ -568,7 +374,7 @@ struct lws_context_per_thread {
 	struct lws_pollfd *fds;
 	volatile struct lws_foreign_thread_pollfd * volatile foreign_pfd_list;
 #ifdef _WIN32
-	WSAEVENT *events;
+	WSAEVENT events;
 #endif
 	lws_sockfd_type dummy_pipe_fds[2];
 	struct lws *pipe_wsi;
@@ -581,6 +387,9 @@ struct lws_context_per_thread {
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 	struct lws_pt_role_http http;
 #endif
+#if defined(LWS_ROLE_DBUS)
+	struct lws_pt_role_dbus dbus;
+#endif
 
 	/* --- event library based members --- */
 
@@ -594,7 +403,8 @@ struct lws_context_per_thread {
 	struct lws_pt_eventlibs_libevent event;
 #endif
 
-#if defined(LWS_WITH_LIBEV) || defined(LWS_WITH_LIBUV) || defined(LWS_WITH_LIBEVENT)
+#if defined(LWS_WITH_LIBEV) || defined(LWS_WITH_LIBUV) || \
+    defined(LWS_WITH_LIBEVENT)
 	struct lws_signal_watcher w_sigint;
 #endif
 
@@ -603,12 +413,20 @@ struct lws_context_per_thread {
 	unsigned long count_conns;
 	unsigned int fds_count;
 
+	/*
+	 * set to the Thread ID that's doing the service loop just before entry
+	 * to poll indicates service thread likely idling in poll()
+	 * volatile because other threads may check it as part of processing
+	 * for pollfd event change.
+	 */
+	volatile int service_tid;
+	int service_tid_detected;
+
 	volatile unsigned char inside_poll;
 	volatile unsigned char foreign_spinlock;
 
 	unsigned char tid;
 
-	unsigned char lock_depth;
 	unsigned char inside_service:1;
 	unsigned char event_loop_foreign:1;
 	unsigned char event_loop_destroy_processing_done:1;
@@ -626,8 +444,10 @@ lws_sum_stats(const struct lws_context *ctx, struct lws_conn_stats *cs);
 struct lws_timed_vh_protocol {
 	struct lws_timed_vh_protocol *next;
 	const struct lws_protocols *protocol;
+	struct lws_vhost *vhost; /* only used for pending processing */
 	time_t time;
 	int reason;
+	int tsi_req;
 };
 
 /*
@@ -655,6 +475,7 @@ struct lws_vhost {
 #endif
 #if LWS_MAX_SMP > 1
 	pthread_mutex_t lock;
+	char close_flow_vs_tsi[LWS_MAX_SMP];
 #endif
 
 #if defined(LWS_ROLE_H2)
@@ -683,6 +504,9 @@ struct lws_vhost {
 	const char *name;
 	const char *iface;
 
+	void (*finalize)(struct lws_vhost *vh, void *arg);
+	void *finalize_arg;
+
 #if !defined(LWS_WITH_ESP32) && !defined(OPTEE_TA) && !defined(WIN32)
 	int bind_iface;
 #endif
@@ -690,7 +514,7 @@ struct lws_vhost {
 	void **protocol_vh_privs;
 	const struct lws_protocol_vhost_options *pvo;
 	const struct lws_protocol_vhost_options *headers;
-	struct lws **same_vh_protocol_list;
+	struct lws_dll_lws *same_vh_protocol_heads;
 	struct lws_vhost *no_listener_vhost_list;
 #if !defined(LWS_NO_CLIENT)
 	struct lws_dll_lws dll_active_client_conns;
@@ -716,6 +540,8 @@ struct lws_vhost {
 	int keepalive_timeout;
 	int timeout_secs_ah_idle;
 
+	int count_bound_wsi;
+
 #ifdef LWS_WITH_ACCESS_LOG
 	int log_fd;
 #endif
@@ -727,6 +553,13 @@ struct lws_vhost {
 	unsigned char raw_protocol_index;
 };
 
+void
+lws_vhost_bind_wsi(struct lws_vhost *vh, struct lws *wsi);
+void
+lws_vhost_unbind_wsi(struct lws *wsi);
+void
+__lws_vhost_destroy2(struct lws_vhost *vh);
+
 struct lws_deferred_free
 {
 	struct lws_deferred_free *next;
@@ -791,8 +624,7 @@ struct lws_context {
 	struct lws_context_per_thread pt[LWS_MAX_SMP];
 	struct lws_conn_stats conn_stats;
 #if LWS_MAX_SMP > 1
-	pthread_mutex_t lock;
-	int lock_depth;
+	struct lws_mutex_refcount mr;
 #endif
 #ifdef _WIN32
 /* different implementation between unix and windows */
@@ -805,6 +637,11 @@ struct lws_context {
 	struct lws_vhost *vhost_pending_destruction_list;
 	struct lws_plugin *plugin_list;
 	struct lws_deferred_free *deferred_free_list;
+
+#if defined(LWS_WITH_THREADPOOL)
+	struct lws_threadpool *tp_list_head;
+#endif
+
 #if defined(LWS_WITH_PEER_LIMITS)
 	struct lws_peer **pl_hash_table;
 	struct lws_peer *peer_wait_list;
@@ -889,14 +726,6 @@ struct lws_context {
 	unsigned int doing_protocol_init:1;
 	unsigned int done_protocol_destroy_cb:1;
 	unsigned int finalize_destroy_after_internal_loops_stopped:1;
-	/*
-	 * set to the Thread ID that's doing the service loop just before entry
-	 * to poll indicates service thread likely idling in poll()
-	 * volatile because other threads may check it as part of processing
-	 * for pollfd event change.
-	 */
-	volatile int service_tid;
-	int service_tid_detected;
 
 	short count_threads;
 	short plugin_protocol_count;
@@ -909,7 +738,7 @@ struct lws_context {
 };
 
 int
-lws_check_deferred_free(struct lws_context *context, int force);
+lws_check_deferred_free(struct lws_context *context, int tsi, int force);
 
 #define lws_get_context_protocol(ctx, x) ctx->vhost_list->protocols[x]
 #define lws_get_vh_protocol(vh, x) vh->protocols[x]
@@ -945,13 +774,13 @@ enum {
 	LWS_EV_START = (1 << 2),
 	LWS_EV_STOP = (1 << 3),
 
-	LWS_EV_PREPARE_DELETION = (1 << 31),
+	LWS_EV_PREPARE_DELETION = (1u << 31),
 };
 
 
 #if defined(LWS_WITH_ESP32)
 LWS_EXTERN int
-lws_find_string_in_file(const char *filename, const char *string, int stringlen);
+lws_find_string_in_file(const char *filename, const char *str, int stringlen);
 #endif
 
 #ifdef LWS_WITH_IPV6
@@ -1026,6 +855,9 @@ struct lws {
 #if defined(LWS_ROLE_WS)
 	struct _lws_websocket_related *ws; /* allocated if we upgrade to ws */
 #endif
+#if defined(LWS_ROLE_DBUS)
+	struct _lws_dbus_mode_related dbus;
+#endif
 
 	const struct lws_role_ops *role_ops;
 	lws_wsi_state_t	wsistate;
@@ -1033,7 +865,8 @@ struct lws {
 
 	/* lifetime members */
 
-#if defined(LWS_WITH_LIBEV) || defined(LWS_WITH_LIBUV) || defined(LWS_WITH_LIBEVENT)
+#if defined(LWS_WITH_LIBEV) || defined(LWS_WITH_LIBUV) || \
+    defined(LWS_WITH_LIBEVENT)
 	struct lws_io_watcher w_read;
 #endif
 #if defined(LWS_WITH_LIBEV) || defined(LWS_WITH_LIBEVENT)
@@ -1049,12 +882,16 @@ struct lws {
 	struct lws *sibling_list; /* subsequent children at same level */
 
 	const struct lws_protocols *protocol;
-	struct lws **same_vh_protocol_prev, *same_vh_protocol_next;
+	struct lws_dll_lws same_vh_protocol;
 
 	struct lws_dll_lws dll_timeout;
 	struct lws_dll_lws dll_hrtimer;
 	struct lws_dll_lws dll_buflist; /* guys with pending rxflow */
 
+#if defined(LWS_WITH_THREADPOOL)
+	struct lws_threadpool_task *tp_task;
+#endif
+
 #if defined(LWS_WITH_PEER_LIMITS)
 	struct lws_peer *peer;
 #endif
@@ -1070,10 +907,8 @@ struct lws {
 	void *user_space;
 	void *opaque_parent_data;
 
-	struct lws_buflist *buflist;
-
-	/* truncated send handling */
-	unsigned char *trunc_alloc; /* non-NULL means buffering in progress */
+	struct lws_buflist *buflist;		/* input-side buflist */
+	struct lws_buflist *buflist_out;	/* output-side buflist */
 
 #if defined(LWS_WITH_TLS)
 	struct lws_lws_tls tls;
@@ -1098,9 +933,7 @@ struct lws {
 	/* ints */
 #define LWS_NO_FDS_POS (-1)
 	int position_in_fds_table;
-	unsigned int trunc_alloc_len; /* size of malloc */
-	unsigned int trunc_offset; /* where we are in terms of spilling */
-	unsigned int trunc_len; /* how much is buffered */
+
 #ifndef LWS_NO_CLIENT
 	int chunk_remaining;
 #endif
@@ -1128,18 +961,18 @@ struct lws {
 	unsigned int waiting_to_send_close_frame:1;
 	unsigned int close_needs_ack:1;
 	unsigned int ipv6:1;
-	unsigned int parent_carries_io:1;
 	unsigned int parent_pending_cb_on_writable:1;
 	unsigned int cgi_stdout_zero_length:1;
 	unsigned int seen_zero_length_recv:1;
 	unsigned int rxflow_will_be_applied:1;
 	unsigned int event_pipe:1;
-	unsigned int on_same_vh_list:1;
 	unsigned int handling_404:1;
 	unsigned int protocol_bind_balance:1;
+	unsigned int unix_skt:1;
 
 	unsigned int could_have_pending:1; /* detect back-to-back writes */
 	unsigned int outer_will_close:1;
+	unsigned int shadow:1; /* we do not control fd lifecycle at all */
 
 #ifdef LWS_WITH_ACCESS_LOG
 	unsigned int access_log_pending:1;
@@ -1194,6 +1027,9 @@ struct lws {
 	volatile char leave_pollout_active;
 };
 
+LWS_EXTERN char *
+lws_strdup(const char *s);
+
 #define lws_is_flowcontrolled(w) (!!(wsi->rxflow_bitmap))
 
 void
@@ -1243,6 +1079,9 @@ lws_latency(struct lws_context *context, struct lws *wsi, const char *action,
 	    int ret, int completion);
 #endif
 
+static LWS_INLINE int
+lws_has_buffered_out(struct lws *wsi) { return !!wsi->buflist_out; }
+
 LWS_EXTERN int LWS_WARN_UNUSED_RESULT
 lws_ws_client_rx_sm(struct lws *wsi, unsigned char c);
 
@@ -1262,22 +1101,7 @@ LWS_EXTERN int
 lws_service_flag_pending(struct lws_context *context, int tsi);
 
 LWS_EXTERN int
-lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p);
-
-#if defined(_WIN32)
-LWS_EXTERN struct lws *
-wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd);
-
-LWS_EXTERN int
-insert_wsi(struct lws_context *context, struct lws *wsi);
-
-LWS_EXTERN int
-delete_from_fd(struct lws_context *context, lws_sockfd_type fd);
-#else
-#define wsi_from_fd(A,B)  A->lws_lookup[B - lws_plat_socket_offset()]
-#define insert_wsi(A,B)   assert(A->lws_lookup[B->desc.sockfd - lws_plat_socket_offset()] == 0); A->lws_lookup[B->desc.sockfd - lws_plat_socket_offset()]=B
-#define delete_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()]=0
-#endif
+__lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p);
 
 LWS_EXTERN int LWS_WARN_UNUSED_RESULT
 __insert_wsi_socket_into_fds(struct lws_context *context, struct lws *wsi);
@@ -1305,7 +1129,7 @@ LWS_EXTERN int
 lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd);
 
 LWS_EXTERN struct lws *
-lws_client_connect_via_info2(struct lws *wsi);
+lws_http_client_connect_via_info2(struct lws *wsi);
 
 
 
@@ -1343,10 +1167,8 @@ user_callback_handle_rxflow(lws_callback_function, struct lws *wsi,
 			    void *in, size_t len);
 
 LWS_EXTERN int
-lws_plat_socket_offset(void);
-
-LWS_EXTERN int
-lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd);
+lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd,
+			    int unix_skt);
 
 LWS_EXTERN int
 lws_plat_check_connection_error(struct lws *wsi);
@@ -1429,7 +1251,7 @@ LWS_EXTERN void lwsl_emit_stderr(int level, const char *line);
 static LWS_INLINE void
 lws_pt_mutex_init(struct lws_context_per_thread *pt)
 {
-	pthread_mutex_init(&pt->lock, NULL);
+	lws_mutex_refcount_init(&pt->mr);
 	pthread_mutex_init(&pt->lock_stats, NULL);
 }
 
@@ -1437,34 +1259,11 @@ static LWS_INLINE void
 lws_pt_mutex_destroy(struct lws_context_per_thread *pt)
 {
 	pthread_mutex_destroy(&pt->lock_stats);
-	pthread_mutex_destroy(&pt->lock);
+	lws_mutex_refcount_destroy(&pt->mr);
 }
 
-static LWS_INLINE void
-lws_pt_lock(struct lws_context_per_thread *pt, const char *reason)
-{
-	if (pt->lock_owner == pthread_self()) {
-		pt->lock_depth++;
-		return;
-	}
-	pthread_mutex_lock(&pt->lock);
-	pt->last_lock_reason = reason;
-	pt->lock_owner = pthread_self();
-	//lwsl_notice("tid %d: lock %s\n", pt->tid, reason);
-}
-
-static LWS_INLINE void
-lws_pt_unlock(struct lws_context_per_thread *pt)
-{
-	if (pt->lock_depth) {
-		pt->lock_depth--;
-		return;
-	}
-	pt->last_lock_reason = "free";
-	pt->lock_owner = 0;
-	//lwsl_notice("tid %d: unlock %s\n", pt->tid, pt->last_lock_reason);
-	pthread_mutex_unlock(&pt->lock);
-}
+#define lws_pt_lock(pt, reason) lws_mutex_refcount_lock(&pt->mr, reason)
+#define lws_pt_unlock(pt) lws_mutex_refcount_unlock(&pt->mr)
 
 static LWS_INLINE void
 lws_pt_stats_lock(struct lws_context_per_thread *pt)
@@ -1478,17 +1277,8 @@ lws_pt_stats_unlock(struct lws_context_per_thread *pt)
 	pthread_mutex_unlock(&pt->lock_stats);
 }
 
-static LWS_INLINE void
-lws_context_lock(struct lws_context *context)
-{
-	pthread_mutex_lock(&context->lock);
-}
-
-static LWS_INLINE void
-lws_context_unlock(struct lws_context *context)
-{
-	pthread_mutex_unlock(&context->lock);
-}
+#define lws_context_lock(c, reason) lws_mutex_refcount_lock(&c->mr, reason)
+#define lws_context_unlock(c) lws_mutex_refcount_unlock(&c->mr)
 
 static LWS_INLINE void
 lws_vhost_lock(struct lws_vhost *vhost)
@@ -1508,7 +1298,7 @@ lws_vhost_unlock(struct lws_vhost *vhost)
 #define lws_pt_mutex_destroy(_a) (void)(_a)
 #define lws_pt_lock(_a, b) (void)(_a)
 #define lws_pt_unlock(_a) (void)(_a)
-#define lws_context_lock(_a) (void)(_a)
+#define lws_context_lock(_a, _b) (void)(_a)
 #define lws_context_unlock(_a) (void)(_a)
 #define lws_vhost_lock(_a) (void)(_a)
 #define lws_vhost_unlock(_a) (void)(_a)
@@ -1566,7 +1356,7 @@ lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len);
 LWS_EXTERN int
 lws_access_log(struct lws *wsi);
 LWS_EXTERN void
-lws_prepare_access_log_info(struct lws *wsi, char *uri_ptr, int meth);
+lws_prepare_access_log_info(struct lws *wsi, char *uri_ptr, int len, int meth);
 #else
 #define lws_access_log(_a)
 #endif
@@ -1581,7 +1371,8 @@ int
 lws_protocol_init(struct lws_context *context);
 
 int
-lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p);
+lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p,
+		  const char *reason);
 
 const struct lws_http_mount *
 lws_find_mount(struct lws *wsi, const char *uri_ptr, int uri_len);
@@ -1605,9 +1396,6 @@ void lws_free(void *p);
 #define lws_free_set_NULL(P)	do { lws_realloc(P, 0, "free"); (P) = NULL; } while(0)
 #endif
 
-char *
-lws_strdup(const char *s);
-
 int
 lws_plat_pipe_create(struct lws *wsi);
 int
@@ -1617,8 +1405,8 @@ lws_plat_pipe_close(struct lws *wsi);
 int
 lws_create_event_pipes(struct lws_context *context);
 
-int lws_open(const char *__file, int __oflag, ...);
-void lws_plat_apply_FD_CLOEXEC(int n);
+int
+lws_plat_apply_FD_CLOEXEC(int n);
 
 const struct lws_plat_file_ops *
 lws_vfs_select_fops(const struct lws_plat_file_ops *fops, const char *vfs_path,
@@ -1653,27 +1441,33 @@ LWS_EXTERN int
 lws_plat_service(struct lws_context *context, int timeout_ms);
 LWS_EXTERN LWS_VISIBLE int
 _lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi);
+
+LWS_EXTERN int
+lws_pthread_self_to_tsi(struct lws_context *context);
+
 LWS_EXTERN int
 lws_plat_init(struct lws_context *context,
 	      const struct lws_context_creation_info *info);
 LWS_EXTERN void
 lws_plat_drop_app_privileges(const struct lws_context_creation_info *info);
-LWS_EXTERN unsigned long long
-time_in_microseconds(void);
 LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
 lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt);
 LWS_EXTERN int LWS_WARN_UNUSED_RESULT
 lws_plat_inet_pton(int af, const char *src, void *dst);
 
+LWS_EXTERN int
+lws_check_byte_utf8(unsigned char state, unsigned char c);
 LWS_EXTERN int LWS_WARN_UNUSED_RESULT
 lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len);
-LWS_EXTERN int alloc_file(struct lws_context *context, const char *filename, uint8_t **buf,
-		                lws_filepos_t *amount);
+LWS_EXTERN int alloc_file(struct lws_context *context, const char *filename,
+			  uint8_t **buf, lws_filepos_t *amount);
 
 
 LWS_EXTERN void
 lws_same_vh_protocol_remove(struct lws *wsi);
 LWS_EXTERN void
+__lws_same_vh_protocol_remove(struct lws *wsi);
+LWS_EXTERN void
 lws_same_vh_protocol_insert(struct lws *wsi, int n);
 
 LWS_EXTERN int
@@ -1703,7 +1497,8 @@ void socks_generate_msg(struct lws *wsi, enum socks_msg_type type,
 void
 lws_peer_track_wsi_close(struct lws_context *context, struct lws_peer *peer);
 int
-lws_peer_confirm_ah_attach_ok(struct lws_context *context, struct lws_peer *peer);
+lws_peer_confirm_ah_attach_ok(struct lws_context *context,
+			      struct lws_peer *peer);
 void
 lws_peer_track_ah_detach(struct lws_context *context, struct lws_peer *peer);
 void
@@ -1717,11 +1512,13 @@ void
 lws_peer_dump_from_wsi(struct lws *wsi);
 #endif
 
-#ifdef LWS_WITH_HTTP_PROXY
+#ifdef LWS_WITH_HUBBUB
 hubbub_error
 html_parser_cb(const hubbub_token *token, void *pw);
 #endif
 
+int
+lws_threadpool_tsi_context(struct lws_context *context, int tsi);
 
 void
 __lws_remove_from_timeout_list(struct lws *wsi);
@@ -1746,11 +1543,12 @@ lws_buflist_aware_consume(struct lws *wsi, struct lws_tokens *ebuf, int used,
 
 
 char *
-lws_generate_client_ws_handshake(struct lws *wsi, char *p);
+lws_generate_client_ws_handshake(struct lws *wsi, char *p, const char *conn1);
 int
 lws_client_ws_upgrade(struct lws *wsi, const char **cce);
 int
-lws_create_client_ws_object(struct lws_client_connect_info *i, struct lws *wsi);
+lws_create_client_ws_object(const struct lws_client_connect_info *i,
+			    struct lws *wsi);
 int
 lws_alpn_comma_to_openssl(const char *comma, uint8_t *os, int len);
 int
@@ -1764,6 +1562,11 @@ void
 lws_destroy_event_pipe(struct lws *wsi);
 void
 lws_context_destroy2(struct lws_context *context);
+int
+lws_role_call_client_bind(struct lws *wsi,
+			  const struct lws_client_connect_info *i);
+void
+lws_remove_child_from_any_parent(struct lws *wsi);
 
 #ifdef __cplusplus
 };
diff --git a/thirdparty/libwebsockets/core/service.c b/thirdparty/libwebsockets/lib/core/service.c
index 6523058814..ef251409cb 100644
--- a/thirdparty/libwebsockets/core/service.c
+++ b/thirdparty/libwebsockets/lib/core/service.c
@@ -30,7 +30,7 @@ lws_callback_as_writeable(struct lws *wsi)
 	lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITEABLE_CB, 1);
 #if defined(LWS_WITH_STATS)
 	if (wsi->active_writable_req_us) {
-		uint64_t ul = time_in_microseconds() -
+		uint64_t ul = lws_time_in_microseconds() -
 			      wsi->active_writable_req_us;
 
 		lws_stats_atomic_bump(wsi->context, pt,
@@ -74,12 +74,13 @@ lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd)
 	 * Priority 1: pending truncated sends are incomplete ws fragments
 	 *	       If anything else sent first the protocol would be
 	 *	       corrupted.
+	 *
+	 *	       These are post- any compression transform
 	 */
 
-	if (wsi->trunc_len) {
+	if (lws_has_buffered_out(wsi)) {
 		//lwsl_notice("%s: completing partial\n", __func__);
-		if (lws_issue_raw(wsi, wsi->trunc_alloc + wsi->trunc_offset,
-				  wsi->trunc_len) < 0) {
+		if (lws_issue_raw(wsi, NULL, 0) < 0) {
 			lwsl_info("%s signalling to close\n", __func__);
 			goto bail_die;
 		}
@@ -91,6 +92,28 @@ lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd)
 			goto bail_die; /* retry closing now */
 		}
 
+	/* Priority 2: pre- compression transform */
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more) {
+		enum lws_write_protocol wp = LWS_WRITE_HTTP;
+
+		lwsl_info("%s: completing comp partial (buflist_comp %p, may %d)\n",
+				__func__, wsi->http.comp_ctx.buflist_comp,
+				wsi->http.comp_ctx.may_have_more
+				);
+
+		if (wsi->role_ops->write_role_protocol(wsi, NULL, 0, &wp) < 0) {
+			lwsl_info("%s signalling to close\n", __func__);
+			goto bail_die;
+		}
+		lws_callback_on_writable(wsi);
+
+		goto bail_ok;
+	}
+#endif
+
 #ifdef LWS_WITH_CGI
 	/*
 	 * A cgi master's wire protocol remains h1 or h2.  He is just getting
@@ -126,13 +149,6 @@ lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd)
 
 	/* one shot */
 
-	if (wsi->parent_carries_io) {
-		vwsi->handling_pollout = 0;
-		vwsi->leave_pollout_active = 0;
-
-		return lws_callback_as_writeable(wsi);
-	}
-
 	if (pollfd) {
 		int eff = vwsi->leave_pollout_active;
 
@@ -216,7 +232,9 @@ static int
 __lws_service_timeout_check(struct lws *wsi, time_t sec)
 {
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 	int n = 0;
+#endif
 
 	(void)n;
 
@@ -228,9 +246,11 @@ __lws_service_timeout_check(struct lws *wsi, time_t sec)
 	    lws_compare_time_t(wsi->context, sec, wsi->pending_timeout_set) >
 			       wsi->pending_timeout_limit) {
 
+#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 		if (wsi->desc.sockfd != LWS_SOCK_INVALID &&
 		    wsi->position_in_fds_table >= 0)
 			n = pt->fds[wsi->position_in_fds_table].events;
+#endif
 
 		lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_TIMEOUTS, 1);
 
@@ -318,9 +338,10 @@ lws_service_adjust_timeout(struct lws_context *context, int timeout_ms, int tsi)
 {
 	struct lws_context_per_thread *pt = &context->pt[tsi];
 
-	/* Figure out if we really want to wait in poll()
-	 * We only need to wait if really nothing already to do and we have
-	 * to wait for something from network
+	/*
+	 * Figure out if we really want to wait in poll()... we only need to
+	 * wait if really nothing already to do and we have to wait for
+	 * something from network
 	 */
 #if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
 	/* 1) if we know we are draining rx ext, do not wait in poll */
@@ -328,23 +349,31 @@ lws_service_adjust_timeout(struct lws_context *context, int timeout_ms, int tsi)
 		return 0;
 #endif
 
-	/* 2) if we know we have non-network pending data, do not wait in poll */
+	/* 2) if we know we have non-network pending data,
+	 *    do not wait in poll */
 
 	if (pt->context->tls_ops &&
-	    pt->context->tls_ops->fake_POLLIN_for_buffered)
-		if (pt->context->tls_ops->fake_POLLIN_for_buffered(pt))
+	    pt->context->tls_ops->fake_POLLIN_for_buffered &&
+	    pt->context->tls_ops->fake_POLLIN_for_buffered(pt))
 			return 0;
 
-	/* 3) If there is any wsi with rxflow buffered and in a state to process
+	/*
+	 * 3) If there is any wsi with rxflow buffered and in a state to process
 	 *    it, we should not wait in poll
 	 */
 
-	lws_start_foreach_dll(struct lws_dll_lws *, d, pt->dll_head_buflist.next) {
+	lws_start_foreach_dll(struct lws_dll_lws *, d,
+			      pt->dll_head_buflist.next) {
 		struct lws *wsi = lws_container_of(d, struct lws, dll_buflist);
 
 		if (lwsi_state(wsi) != LRS_DEFERRING_ACTION)
 			return 0;
 
+	/*
+	 * 4) If any guys with http compression to spill, we shouldn't wait in
+	 *    poll but hurry along and service them
+	 */
+
 	} lws_end_foreach_dll(d);
 
 	return timeout_ms;
@@ -431,8 +460,10 @@ lws_buflist_aware_consume(struct lws *wsi, struct lws_tokens *ebuf, int used,
 		if (m < 0)
 			return 1; /* OOM */
 		if (m) {
-			lwsl_debug("%s: added %p to rxflow list\n", __func__, wsi);
-			lws_dll_lws_add_front(&wsi->dll_buflist, &pt->dll_head_buflist);
+			lwsl_debug("%s: added %p to rxflow list\n",
+				   __func__, wsi);
+			lws_dll_lws_add_front(&wsi->dll_buflist,
+					      &pt->dll_head_buflist);
 		}
 	}
 
@@ -487,10 +518,6 @@ int
 lws_service_flag_pending(struct lws_context *context, int tsi)
 {
 	struct lws_context_per_thread *pt = &context->pt[tsi];
-
-#if defined(LWS_WITH_TLS)
-	struct lws *wsi, *wsi_next;
-#endif
 	int forced = 0;
 
 	lws_pt_lock(pt, __func__);
@@ -520,9 +547,11 @@ lws_service_flag_pending(struct lws_context *context, int tsi)
 	 * service to use up the buffered incoming data, even though their
 	 * network socket may have nothing
 	 */
-	wsi = pt->tls.pending_read_list;
-	while (wsi) {
-		wsi_next = wsi->tls.pending_read_list_next;
+	lws_start_foreach_dll_safe(struct lws_dll_lws *, p, p1,
+				   pt->tls.pending_tls_head.next) {
+		struct lws *wsi = lws_container_of(p, struct lws,
+						   tls.pending_tls_list);
+
 		pt->fds[wsi->position_in_fds_table].revents |=
 			pt->fds[wsi->position_in_fds_table].events & LWS_POLLIN;
 		if (pt->fds[wsi->position_in_fds_table].revents & LWS_POLLIN) {
@@ -536,8 +565,7 @@ lws_service_flag_pending(struct lws_context *context, int tsi)
 			__lws_ssl_remove_wsi_from_buffered_list(wsi);
 		}
 
-		wsi = wsi_next;
-	}
+	} lws_end_foreach_dll_safe(p, p1);
 #endif
 
 	lws_pt_unlock(pt);
@@ -550,18 +578,21 @@ lws_service_periodic_checks(struct lws_context *context,
 			    struct lws_pollfd *pollfd, int tsi)
 {
 	struct lws_context_per_thread *pt = &context->pt[tsi];
+	struct lws_timed_vh_protocol *tmr;
 	lws_sockfd_type our_fd = 0, tmp_fd;
 	struct lws *wsi;
 	int timed_out = 0;
 	time_t now;
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 	struct allocated_headers *ah;
-	int m;
+	int n, m;
 #endif
 
 	if (!context->protocol_init_done)
-		if (lws_protocol_init(context))
+		if (lws_protocol_init(context)) {
+			lwsl_err("%s: lws_protocol_init failed\n", __func__);
 			return -1;
+		}
 
 	time(&now);
 
@@ -609,7 +640,7 @@ lws_service_periodic_checks(struct lws_context *context,
 #endif
 
 	lws_plat_service_periodic(context);
-	lws_check_deferred_free(context, 0);
+	lws_check_deferred_free(context, tsi, 0);
 
 #if defined(LWS_WITH_PEER_LIMITS)
 	lws_peer_cull_peer_wait_list(context);
@@ -631,7 +662,7 @@ lws_service_periodic_checks(struct lws_context *context,
 		our_fd = pollfd->fd;
 
 	/*
-	 * Phase 1: check every wsi on the timeout check list
+	 * Phase 1: check every wsi on our pt's timeout check list
 	 */
 
 	lws_pt_lock(pt, __func__);
@@ -701,8 +732,7 @@ lws_service_periodic_checks(struct lws_context *context,
 				continue;
 			}
 
-			if (lws_hdr_copy(wsi, buf,
-					 sizeof buf, m) > 0) {
+			if (lws_hdr_copy(wsi, buf, sizeof buf, m) > 0) {
 				buf[sizeof(buf) - 1] = '\0';
 
 				lwsl_notice("   %s = %s\n",
@@ -749,37 +779,126 @@ lws_service_periodic_checks(struct lws_context *context,
 	 * Phase 3: vhost / protocol timer callbacks
 	 */
 
-	wsi = NULL;
+	/* 3a: lock, collect, and remove vh timers that are pending */
+
+	lws_context_lock(context, "expired vh timers"); /* context ---------- */
+
+	n = 0;
+
+	/*
+	 * first, under the context lock, get a count of the number of
+	 * expired timers so we can allocate for them (or not, cleanly)
+	 */
+
 	lws_start_foreach_ll(struct lws_vhost *, v, context->vhost_list) {
-		struct lws_timed_vh_protocol *nx;
+
 		if (v->timed_vh_protocol_list) {
-			lws_start_foreach_ll(struct lws_timed_vh_protocol *,
-					q, v->timed_vh_protocol_list) {
-				if (now >= q->time) {
-					if (!wsi)
-						wsi = lws_zalloc(sizeof(*wsi), "cbwsi");
-					wsi->context = context;
-					wsi->vhost = v;
-					wsi->protocol = q->protocol;
-					lwsl_debug("timed cb: vh %s, protocol %s, reason %d\n", v->name, q->protocol->name, q->reason);
-					q->protocol->callback(wsi, q->reason, NULL, NULL, 0);
-					nx = q->next;
-					lws_timed_callback_remove(v, q);
-					q = nx;
-					continue; /* we pointed ourselves to the next from the now-deleted guy */
-				}
-			} lws_end_foreach_ll(q, next);
+
+			lws_start_foreach_ll_safe(struct lws_timed_vh_protocol *,
+					q, v->timed_vh_protocol_list, next) {
+				if (now >= q->time && q->tsi_req == tsi)
+					n++;
+			} lws_end_foreach_ll_safe(q);
 		}
+
 	} lws_end_foreach_ll(v, vhost_next);
-	if (wsi)
+
+	/* if nothing to do, unlock and move on to the next vhost */
+
+	if (!n) {
+		lws_context_unlock(context); /* ----------- context */
+		goto vh_timers_done;
+	}
+
+	/*
+	 * attempt to do the wsi and timer info allocation
+	 * first en bloc.  If it fails, we can just skip the rest and
+	 * the timers will still be pending next time.
+	 */
+
+	wsi = lws_zalloc(sizeof(*wsi), "cbwsi");
+	if (!wsi) {
+		/*
+		 * at this point, we haven't cleared any vhost
+		 * timers.  We can fail out and retry cleanly
+		 * next periodic check
+		 */
+		lws_context_unlock(context); /* ----------- context */
+		goto vh_timers_done;
+	}
+	wsi->context = context;
+
+	tmr = lws_zalloc(sizeof(*tmr) * n, "cbtmr");
+	if (!tmr) {
+		/* again OOM here can be handled cleanly */
 		lws_free(wsi);
+		lws_context_unlock(context); /* ----------- context */
+		goto vh_timers_done;
+	}
+
+	/* so we have the allocation for n pending timers... */
+
+	m = 0;
+	lws_start_foreach_ll(struct lws_vhost *, v, context->vhost_list) {
+
+		if (v->timed_vh_protocol_list) {
+
+			lws_vhost_lock(v); /* vhost ------------------------- */
+
+			lws_start_foreach_ll_safe(struct lws_timed_vh_protocol *,
+					q, v->timed_vh_protocol_list, next) {
+
+				/* only do n */
+				if (m == n)
+					break;
+
+				if (now >= q->time && q->tsi_req == tsi) {
+
+					/*
+					 * tmr is an allocated array.
+					 * Ignore the linked-list.
+					 */
+					tmr[m].vhost = v;
+					tmr[m].protocol = q->protocol;
+					tmr[m++].reason = q->reason;
+
+					/* take the timer out now we took
+					 * responsibility */
+					__lws_timed_callback_remove(v, q);
+				}
+
+			} lws_end_foreach_ll_safe(q);
+
+			lws_vhost_unlock(v); /* ----------------------- vhost */
+		}
+
+	} lws_end_foreach_ll(v, vhost_next);
+	lws_context_unlock(context); /* ---------------------------- context */
+
+	/* 3b: call the vh timer callbacks outside any lock */
+
+	for (m = 0; m < n; m++) {
+
+		wsi->vhost = tmr[m].vhost; /* not a real bound wsi */
+		wsi->protocol = tmr[m].protocol;
+
+		lwsl_debug("%s: timed cb: vh %s, protocol %s, reason %d\n",
+			   __func__, tmr[m].vhost->name, tmr[m].protocol->name,
+			   tmr[m].reason);
+		tmr[m].protocol->callback(wsi, tmr[m].reason, NULL, NULL, 0);
+	}
+
+	lws_free(tmr);
+	lws_free(wsi);
+
+vh_timers_done:
 
 	/*
 	 * Phase 4: check for unconfigured vhosts due to required
 	 *	    interface missing before
 	 */
 
-	lws_context_lock(context);
+	lws_context_lock(context, "periodic checks");
 	lws_start_foreach_llp(struct lws_vhost **, pv,
 			      context->no_listener_vhost_list) {
 		struct lws_vhost *v = *pv;
@@ -812,7 +931,7 @@ lws_service_periodic_checks(struct lws_context *context,
 	    context->tls_ops->periodic_housekeeping)
 		context->tls_ops->periodic_housekeeping(context, now);
 
-	return timed_out;
+	return 0;
 }
 
 LWS_VISIBLE int
@@ -825,9 +944,11 @@ lws_service_fd_tsi(struct lws_context *context, struct lws_pollfd *pollfd,
 	if (!context || context->being_destroyed1)
 		return -1;
 
-	/* the socket we came to service timed out, nothing to do */
-	if (lws_service_periodic_checks(context, pollfd, tsi) || !pollfd)
-		return 0;
+	/* the case there's no pollfd to service, we just want to do periodic */
+	if (!pollfd) {
+		lws_service_periodic_checks(context, pollfd, tsi);
+		return -2;
+	}
 
 	/* no, here to service a socket descriptor */
 	wsi = wsi_from_fd(context, pollfd->fd);
@@ -923,6 +1044,9 @@ handled:
 #endif
 	pollfd->revents = 0;
 
+	/* check the timeout situation if we didn't in the last second */
+	lws_service_periodic_checks(context, pollfd, tsi);
+
 	lws_pt_lock(pt, __func__);
 	__lws_hrtimer_service(pt);
 	lws_pt_unlock(pt);
@@ -969,6 +1093,9 @@ lws_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
 	int n;
 
 	pt->inside_service = 1;
+#if LWS_MAX_SMP > 1
+	pt->self = pthread_self();
+#endif
 
 	if (context->event_loop_ops->run_pt) {
 		/* we are configured for an event loop */
diff --git a/thirdparty/libwebsockets/event-libs/poll/poll.c b/thirdparty/libwebsockets/lib/event-libs/poll/poll.c
index 09af5b15d8..09af5b15d8 100644
--- a/thirdparty/libwebsockets/event-libs/poll/poll.c
+++ b/thirdparty/libwebsockets/lib/event-libs/poll/poll.c
diff --git a/thirdparty/libwebsockets/event-libs/poll/private.h b/thirdparty/libwebsockets/lib/event-libs/poll/private.h
index ca313ebfb0..ca313ebfb0 100644
--- a/thirdparty/libwebsockets/event-libs/poll/private.h
+++ b/thirdparty/libwebsockets/lib/event-libs/poll/private.h
diff --git a/thirdparty/libwebsockets/event-libs/private.h b/thirdparty/libwebsockets/lib/event-libs/private.h
index c36d39c8c2..58bca946b5 100644
--- a/thirdparty/libwebsockets/event-libs/private.h
+++ b/thirdparty/libwebsockets/lib/event-libs/private.h
@@ -41,7 +41,7 @@ struct lws_event_loop_ops {
 	/* close handle manually  */
 	void (*close_handle_manually)(struct lws *wsi);
 	/* event loop accept processing  */
-	void (*accept)(struct lws *wsi);
+	int (*accept)(struct lws *wsi);
 	/* control wsi active events  */
 	void (*io)(struct lws *wsi, int flags);
 	/* run the event loop for a pt */
diff --git a/thirdparty/libwebsockets/lws_config_private.h b/thirdparty/libwebsockets/lib/lws_config_private.h
index e531777624..e531777624 100644
--- a/thirdparty/libwebsockets/lws_config_private.h
+++ b/thirdparty/libwebsockets/lib/lws_config_private.h
diff --git a/thirdparty/libwebsockets/misc/base64-decode.c b/thirdparty/libwebsockets/lib/misc/base64-decode.c
index 64b84d78fa..de2efc8fd1 100644
--- a/thirdparty/libwebsockets/misc/base64-decode.c
+++ b/thirdparty/libwebsockets/lib/misc/base64-decode.c
@@ -55,12 +55,11 @@ _lws_b64_encode_string(const char *encode, const char *in, int in_len,
 {
 	unsigned char triple[3];
 	int i;
-	int len;
 	int line = 0;
 	int done = 0;
 
 	while (in_len) {
-		len = 0;
+		int len = 0;
 		for (i = 0; i < 3; i++) {
 			if (in_len) {
 				triple[i] = *in++;
diff --git a/thirdparty/libwebsockets/misc/getifaddrs.c b/thirdparty/libwebsockets/lib/misc/getifaddrs.c
index 735b899f48..735b899f48 100644
--- a/thirdparty/libwebsockets/misc/getifaddrs.c
+++ b/thirdparty/libwebsockets/lib/misc/getifaddrs.c
diff --git a/thirdparty/libwebsockets/misc/getifaddrs.h b/thirdparty/libwebsockets/lib/misc/getifaddrs.h
index d26670c082..d26670c082 100644
--- a/thirdparty/libwebsockets/misc/getifaddrs.h
+++ b/thirdparty/libwebsockets/lib/misc/getifaddrs.h
diff --git a/thirdparty/libwebsockets/misc/lejp.c b/thirdparty/libwebsockets/lib/misc/lejp.c
index 99142b9553..599a6d37ba 100644
--- a/thirdparty/libwebsockets/misc/lejp.c
+++ b/thirdparty/libwebsockets/lib/misc/lejp.c
@@ -126,7 +126,7 @@ lejp_check_path_match(struct lejp_ctx *ctx)
 				q++;
 				continue;
 			}
-			ctx->wild[ctx->wildcount++] = p - ctx->path;
+			ctx->wild[ctx->wildcount++] = lws_ptr_diff(p, ctx->path);
 			q++;
 			/*
 			 * if * has something after it, match to .
diff --git a/thirdparty/libwebsockets/misc/sha-1.c b/thirdparty/libwebsockets/lib/misc/sha-1.c
index 2e4db52693..898f3f45b1 100644
--- a/thirdparty/libwebsockets/misc/sha-1.c
+++ b/thirdparty/libwebsockets/lib/misc/sha-1.c
@@ -236,18 +236,14 @@ sha1_pad(struct sha1_ctxt *ctxt)
 void
 sha1_loop(struct sha1_ctxt *ctxt, const unsigned char *input, size_t len)
 {
-	size_t gaplen;
-	size_t gapstart;
 	size_t off;
-	size_t copysiz;
 
 	off = 0;
 
 	while (off < len) {
-		gapstart = COUNT % 64;
-		gaplen = 64 - gapstart;
+		size_t gapstart = COUNT % 64, gaplen = 64 - gapstart,
+		       copysiz = (gaplen < len - off) ? gaplen : len - off;
 
-		copysiz = (gaplen < len - off) ? gaplen : len - off;
 		memcpy(&ctxt->m.b8[gapstart], &input[off], copysiz);
 		COUNT += (unsigned char)copysiz;
 		COUNT %= 64;
diff --git a/thirdparty/libwebsockets/lib/plat/unix/private.h b/thirdparty/libwebsockets/lib/plat/unix/private.h
new file mode 100644
index 0000000000..8583ee7bc8
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/private.h
@@ -0,0 +1,169 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ *  Included from lib/core/private.h if no explicit platform
+ */
+
+#include <fcntl.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <poll.h>
+#include <netdb.h>
+
+#ifndef __cplusplus
+#include <errno.h>
+#endif
+#include <netdb.h>
+#include <signal.h>
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/un.h>
+
+#if defined(__APPLE__)
+#include <machine/endian.h>
+#endif
+#if defined(__FreeBSD__)
+#include <sys/endian.h>
+#endif
+#if defined(__linux__)
+#include <endian.h>
+#endif
+#if defined(__QNX__)
+	#include <gulliver.h>
+	#if defined(__LITTLEENDIAN__)
+		#define BYTE_ORDER __LITTLEENDIAN__
+		#define LITTLE_ENDIAN __LITTLEENDIAN__
+		#define BIG_ENDIAN 4321  /* to show byte order (taken from gcc); for suppres warning that BIG_ENDIAN is not defined. */
+	#endif
+	#if defined(__BIGENDIAN__)
+		#define BYTE_ORDER __BIGENDIAN__
+		#define LITTLE_ENDIAN 1234  /* to show byte order (taken from gcc); for suppres warning that LITTLE_ENDIAN is not defined. */
+		#define BIG_ENDIAN __BIGENDIAN__
+	#endif
+#endif
+
+#if defined(__sun) && defined(__GNUC__)
+
+#include <arpa/nameser_compat.h>
+
+#if !defined (BYTE_ORDER)
+#define BYTE_ORDER __BYTE_ORDER__
+#endif
+
+#if !defined(LITTLE_ENDIAN)
+#define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
+#endif
+
+#if !defined(BIG_ENDIAN)
+#define BIG_ENDIAN __ORDER_BIG_ENDIAN__
+#endif
+
+#endif /* sun + GNUC */
+
+#if !defined(BYTE_ORDER)
+#define BYTE_ORDER __BYTE_ORDER
+#endif
+#if !defined(LITTLE_ENDIAN)
+#define LITTLE_ENDIAN __LITTLE_ENDIAN
+#endif
+#if !defined(BIG_ENDIAN)
+#define BIG_ENDIAN __BIG_ENDIAN
+#endif
+
+#if defined(LWS_BUILTIN_GETIFADDRS)
+#include "./misc/getifaddrs.h"
+#else
+
+#if defined(__HAIKU__)
+#define _BSD_SOURCE
+#endif
+#include <ifaddrs.h>
+
+#endif
+
+#if defined (__sun) || defined(__HAIKU__) || defined(__QNX__)
+#include <syslog.h>
+#else
+#include <sys/syslog.h>
+#endif
+
+#ifdef __QNX__
+# include "netinet/tcp_var.h"
+# define TCP_KEEPINTVL TCPCTL_KEEPINTVL
+# define TCP_KEEPIDLE  TCPCTL_KEEPIDLE
+# define TCP_KEEPCNT   TCPCTL_KEEPCNT
+#endif
+
+#define LWS_ERRNO errno
+#define LWS_EAGAIN EAGAIN
+#define LWS_EALREADY EALREADY
+#define LWS_EINPROGRESS EINPROGRESS
+#define LWS_EINTR EINTR
+#define LWS_EISCONN EISCONN
+#define LWS_ENOTCONN ENOTCONN
+#define LWS_EWOULDBLOCK EWOULDBLOCK
+#define LWS_EADDRINUSE EADDRINUSE
+#define lws_set_blocking_send(wsi)
+#define LWS_SOCK_INVALID (-1)
+
+#define wsi_from_fd(A,B)  A->lws_lookup[B - lws_plat_socket_offset()]
+#define insert_wsi(A,B)   assert(A->lws_lookup[B->desc.sockfd - \
+				  lws_plat_socket_offset()] == 0); \
+				 A->lws_lookup[B->desc.sockfd - \
+				  lws_plat_socket_offset()] = B
+#define delete_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()] = 0
+
+#ifndef LWS_NO_FORK
+#ifdef LWS_HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
+#endif
+
+#if defined (__ANDROID__)
+ #include <syslog.h>
+ #include <sys/resource.h>
+#endif
+
+#define compatible_close(x) close(x)
+#define lws_plat_socket_offset() (0)
+
+/*
+ * Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
+ * but happily have something equivalent in the SO_NOSIGPIPE flag.
+ */
+#ifdef __APPLE__
+#define MSG_NOSIGNAL SO_NOSIGPIPE
+#endif
+
+/*
+ * Solaris 11.X only supports POSIX 2001, MSG_NOSIGNAL appears in
+ * POSIX 2008.
+ */
+#ifdef __sun
+ #define MSG_NOSIGNAL 0
+#endif
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-caps.c b/thirdparty/libwebsockets/lib/plat/unix/unix-caps.c
new file mode 100644
index 0000000000..64aea61816
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-caps.c
@@ -0,0 +1,85 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+#include <pwd.h>
+#include <grp.h>
+
+#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
+static void
+_lws_plat_apply_caps(int mode, const cap_value_t *cv, int count)
+{
+	cap_t caps;
+
+	if (!count)
+		return;
+
+	caps = cap_get_proc();
+
+	cap_set_flag(caps, mode, count, cv, CAP_SET);
+	cap_set_proc(caps);
+	prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);
+	cap_free(caps);
+}
+#endif
+
+void
+lws_plat_drop_app_privileges(const struct lws_context_creation_info *info)
+{
+	if (info->gid && info->gid != -1)
+		if (setgid(info->gid))
+			lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO));
+
+	if (info->uid && info->uid != -1) {
+		struct passwd *p = getpwuid(info->uid);
+
+		if (p) {
+
+#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
+			_lws_plat_apply_caps(CAP_PERMITTED, info->caps,
+					     info->count_caps);
+#endif
+
+			initgroups(p->pw_name, info->gid);
+			if (setuid(info->uid))
+				lwsl_warn("setuid: %s\n", strerror(LWS_ERRNO));
+			else
+				lwsl_notice("Set privs to user '%s'\n",
+					    p->pw_name);
+
+#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
+			_lws_plat_apply_caps(CAP_EFFECTIVE, info->caps,
+					     info->count_caps);
+
+			if (info->count_caps) {
+				int n;
+				for (n = 0; n < info->count_caps; n++)
+					lwsl_notice("   RETAINING CAP %d\n",
+						    (int)info->caps[n]);
+			}
+#endif
+
+		} else
+			lwsl_warn("getpwuid: unable to find uid %d", info->uid);
+	}
+}
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-fds.c b/thirdparty/libwebsockets/lib/plat/unix/unix-fds.c
new file mode 100644
index 0000000000..8a00bcff3f
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-fds.c
@@ -0,0 +1,54 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+void
+lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+
+	if (context->event_loop_ops->io)
+		context->event_loop_ops->io(wsi, LWS_EV_START | LWS_EV_READ);
+
+	pt->fds[pt->fds_count++].revents = 0;
+}
+
+void
+lws_plat_delete_socket_from_fds(struct lws_context *context,
+						struct lws *wsi, int m)
+{
+	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+
+	if (context->event_loop_ops->io)
+		context->event_loop_ops->io(wsi,
+				LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE);
+
+	pt->fds_count--;
+}
+
+int
+lws_plat_change_pollfd(struct lws_context *context,
+		      struct lws *wsi, struct lws_pollfd *pfd)
+{
+	return 0;
+}
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-file.c b/thirdparty/libwebsockets/lib/plat/unix/unix-file.c
new file mode 100644
index 0000000000..bcdc213a89
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-file.c
@@ -0,0 +1,172 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+#include <pwd.h>
+#include <grp.h>
+
+#ifdef LWS_WITH_PLUGINS
+#include <dlfcn.h>
+#endif
+#include <dirent.h>
+
+int lws_plat_apply_FD_CLOEXEC(int n)
+{
+	if (n == -1)
+		return 0;
+
+	return fcntl(n, F_SETFD, FD_CLOEXEC);
+}
+
+int
+lws_plat_write_file(const char *filename, void *buf, int len)
+{
+	int m, fd;
+
+	fd = lws_open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+
+	if (fd == -1)
+		return 1;
+
+	m = write(fd, buf, len);
+	close(fd);
+
+	return m != len;
+}
+
+int
+lws_plat_read_file(const char *filename, void *buf, int len)
+{
+	int n, fd = lws_open(filename, O_RDONLY);
+	if (fd == -1)
+		return -1;
+
+	n = read(fd, buf, len);
+	close(fd);
+
+	return n;
+}
+
+lws_fop_fd_t
+_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+		    const char *vpath, lws_fop_flags_t *flags)
+{
+	struct stat stat_buf;
+	int ret = lws_open(filename, (*flags) & LWS_FOP_FLAGS_MASK, 0664);
+	lws_fop_fd_t fop_fd;
+
+	if (ret < 0)
+		return NULL;
+
+	if (fstat(ret, &stat_buf) < 0)
+		goto bail;
+
+	fop_fd = malloc(sizeof(*fop_fd));
+	if (!fop_fd)
+		goto bail;
+
+	fop_fd->fops = fops;
+	fop_fd->flags = *flags;
+	fop_fd->fd = ret;
+	fop_fd->filesystem_priv = NULL; /* we don't use it */
+	fop_fd->len = stat_buf.st_size;
+	fop_fd->pos = 0;
+
+	return fop_fd;
+
+bail:
+	close(ret);
+	return NULL;
+}
+
+int
+_lws_plat_file_close(lws_fop_fd_t *fop_fd)
+{
+	int fd = (*fop_fd)->fd;
+
+	free(*fop_fd);
+	*fop_fd = NULL;
+
+	return close(fd);
+}
+
+lws_fileofs_t
+_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
+{
+	lws_fileofs_t r;
+
+	if (offset > 0 &&
+	    offset > (lws_fileofs_t)fop_fd->len - (lws_fileofs_t)fop_fd->pos)
+		offset = fop_fd->len - fop_fd->pos;
+
+	if ((lws_fileofs_t)fop_fd->pos + offset < 0)
+		offset = -fop_fd->pos;
+
+	r = lseek(fop_fd->fd, offset, SEEK_CUR);
+
+	if (r >= 0)
+		fop_fd->pos = r;
+	else
+		lwsl_err("error seeking from cur %ld, offset %ld\n",
+                        (long)fop_fd->pos, (long)offset);
+
+	return r;
+}
+
+int
+_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		    uint8_t *buf, lws_filepos_t len)
+{
+	long n;
+
+	n = read((int)fop_fd->fd, buf, len);
+	if (n == -1) {
+		*amount = 0;
+		return -1;
+	}
+	fop_fd->pos += n;
+	lwsl_debug("%s: read %ld of req %ld, pos %ld, len %ld\n", __func__, n,
+                  (long)len, (long)fop_fd->pos, (long)fop_fd->len);
+	*amount = n;
+
+	return 0;
+}
+
+int
+_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		     uint8_t *buf, lws_filepos_t len)
+{
+	long n;
+
+	n = write((int)fop_fd->fd, buf, len);
+	if (n == -1) {
+		*amount = 0;
+		return -1;
+	}
+
+	fop_fd->pos += n;
+	*amount = n;
+
+	return 0;
+}
+
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-init.c b/thirdparty/libwebsockets/lib/plat/unix/unix-init.c
new file mode 100644
index 0000000000..fa9a30e8d2
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-init.c
@@ -0,0 +1,97 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+#include <pwd.h>
+#include <grp.h>
+
+#ifdef LWS_WITH_PLUGINS
+#include <dlfcn.h>
+#endif
+#include <dirent.h>
+
+int
+lws_plat_init(struct lws_context *context,
+	      const struct lws_context_creation_info *info)
+{
+	int fd;
+
+	/* master context has the global fd lookup array */
+	context->lws_lookup = lws_zalloc(sizeof(struct lws *) *
+					 context->max_fds, "lws_lookup");
+	if (context->lws_lookup == NULL) {
+		lwsl_err("OOM on lws_lookup array for %d connections\n",
+			 context->max_fds);
+		return 1;
+	}
+
+	lwsl_info(" mem: platform fd map: %5lu bytes\n",
+		    (unsigned long)(sizeof(struct lws *) * context->max_fds));
+	fd = lws_open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
+
+	context->fd_random = fd;
+	if (context->fd_random < 0) {
+		lwsl_err("Unable to open random device %s %d\n",
+			 SYSTEM_RANDOM_FILEPATH, context->fd_random);
+		return 1;
+	}
+
+#ifdef LWS_WITH_PLUGINS
+	if (info->plugin_dirs && (context->options & LWS_SERVER_OPTION_LIBUV))
+		lws_plat_plugins_init(context, info->plugin_dirs);
+#endif
+
+	return 0;
+}
+
+int
+lws_plat_context_early_init(void)
+{
+#if !defined(LWS_AVOID_SIGPIPE_IGN)
+	signal(SIGPIPE, SIG_IGN);
+#endif
+
+	return 0;
+}
+
+void
+lws_plat_context_early_destroy(struct lws_context *context)
+{
+}
+
+void
+lws_plat_context_late_destroy(struct lws_context *context)
+{
+#ifdef LWS_WITH_PLUGINS
+	if (context->plugin_list)
+		lws_plat_plugins_destroy(context);
+#endif
+
+	if (context->lws_lookup)
+		lws_free(context->lws_lookup);
+
+	if (!context->fd_random)
+		lwsl_err("ZERO RANDOM FD\n");
+	if (context->fd_random != LWS_INVALID_FILE)
+		close(context->fd_random);
+}
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-misc.c b/thirdparty/libwebsockets/lib/plat/unix/unix-misc.c
new file mode 100644
index 0000000000..d4b0f76658
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-misc.c
@@ -0,0 +1,83 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+
+uint64_t
+lws_time_in_microseconds(void)
+{
+	struct timeval tv;
+
+	gettimeofday(&tv, NULL);
+	return ((unsigned long long)tv.tv_sec * 1000000LL) + tv.tv_usec;
+}
+
+LWS_VISIBLE int
+lws_get_random(struct lws_context *context, void *buf, int len)
+{
+	return read(context->fd_random, (char *)buf, len);
+}
+
+LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
+{
+	int syslog_level = LOG_DEBUG;
+
+	switch (level) {
+	case LLL_ERR:
+		syslog_level = LOG_ERR;
+		break;
+	case LLL_WARN:
+		syslog_level = LOG_WARNING;
+		break;
+	case LLL_NOTICE:
+		syslog_level = LOG_NOTICE;
+		break;
+	case LLL_INFO:
+		syslog_level = LOG_INFO;
+		break;
+	}
+	syslog(syslog_level, "%s", line);
+}
+
+
+int
+lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
+			int len)
+{
+	int n;
+
+	n = write(fd, buf, len);
+
+	fsync(fd);
+	if (lseek(fd, 0, SEEK_SET) < 0)
+		return 1;
+
+	return n != len;
+}
+
+
+int
+lws_plat_recommended_rsa_bits(void)
+{
+	return 4096;
+}
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-pipe.c b/thirdparty/libwebsockets/lib/plat/unix/unix-pipe.c
new file mode 100644
index 0000000000..64ce253be6
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-pipe.c
@@ -0,0 +1,62 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+
+int
+lws_plat_pipe_create(struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+
+#if defined(LWS_HAVE_PIPE2)
+	return pipe2(pt->dummy_pipe_fds, O_NONBLOCK);
+#else
+	return pipe(pt->dummy_pipe_fds);
+#endif
+}
+
+int
+lws_plat_pipe_signal(struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+	char buf = 0;
+	int n;
+
+	n = write(pt->dummy_pipe_fds[1], &buf, 1);
+
+	return n != 1;
+}
+
+void
+lws_plat_pipe_close(struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+
+	if (pt->dummy_pipe_fds[0] && pt->dummy_pipe_fds[0] != -1)
+		close(pt->dummy_pipe_fds[0]);
+	if (pt->dummy_pipe_fds[1] && pt->dummy_pipe_fds[1] != -1)
+		close(pt->dummy_pipe_fds[1]);
+
+	pt->dummy_pipe_fds[0] = pt->dummy_pipe_fds[1] = -1;
+}
+
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-service.c b/thirdparty/libwebsockets/lib/plat/unix/unix-service.c
new file mode 100644
index 0000000000..e61ef59959
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-service.c
@@ -0,0 +1,204 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+int
+lws_poll_listen_fd(struct lws_pollfd *fd)
+{
+	return poll(fd, 1, 0);
+}
+
+LWS_EXTERN int
+_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
+{
+	volatile struct lws_foreign_thread_pollfd *ftp, *next;
+	volatile struct lws_context_per_thread *vpt;
+	struct lws_context_per_thread *pt;
+	int n = -1, m, c;
+
+	/* stay dead once we are dead */
+
+	if (!context || !context->vhost_list)
+		return 1;
+
+	pt = &context->pt[tsi];
+	vpt = (volatile struct lws_context_per_thread *)pt;
+
+	lws_stats_atomic_bump(context, pt, LWSSTATS_C_SERVICE_ENTRY, 1);
+
+	if (timeout_ms < 0)
+		goto faked_service;
+
+	if (context->event_loop_ops->run_pt)
+		context->event_loop_ops->run_pt(context, tsi);
+
+	if (!pt->service_tid_detected) {
+		struct lws _lws;
+
+		memset(&_lws, 0, sizeof(_lws));
+		_lws.context = context;
+
+		pt->service_tid  =
+			context->vhost_list->protocols[0].callback(
+			&_lws, LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
+		pt->service_tid_detected = 1;
+	}
+
+	/*
+	 * is there anybody with pending stuff that needs service forcing?
+	 */
+	if (!lws_service_adjust_timeout(context, 1, tsi)) {
+		/* -1 timeout means just do forced service */
+		_lws_plat_service_tsi(context, -1, pt->tid);
+		/* still somebody left who wants forced service? */
+		if (!lws_service_adjust_timeout(context, 1, pt->tid))
+			/* yes... come back again quickly */
+			timeout_ms = 0;
+	}
+
+	if (timeout_ms) {
+		lws_pt_lock(pt, __func__);
+		/* don't stay in poll wait longer than next hr timeout */
+		lws_usec_t t =  __lws_hrtimer_service(pt);
+		if ((lws_usec_t)timeout_ms * 1000 > t)
+			timeout_ms = t / 1000;
+		lws_pt_unlock(pt);
+	}
+
+	vpt->inside_poll = 1;
+	lws_memory_barrier();
+	n = poll(pt->fds, pt->fds_count, timeout_ms);
+	vpt->inside_poll = 0;
+	lws_memory_barrier();
+
+	/* Collision will be rare and brief.  Just spin until it completes */
+	while (vpt->foreign_spinlock)
+		;
+
+	/*
+	 * At this point we are not inside a foreign thread pollfd change,
+	 * and we have marked ourselves as outside the poll() wait.  So we
+	 * are the only guys that can modify the lws_foreign_thread_pollfd
+	 * list on the pt.  Drain the list and apply the changes to the
+	 * affected pollfds in the correct order.
+	 */
+
+	lws_pt_lock(pt, __func__);
+
+	ftp = vpt->foreign_pfd_list;
+	//lwsl_notice("cleared list %p\n", ftp);
+	while (ftp) {
+		struct lws *wsi;
+		struct lws_pollfd *pfd;
+
+		next = ftp->next;
+		pfd = &vpt->fds[ftp->fd_index];
+		if (lws_socket_is_valid(pfd->fd)) {
+			wsi = wsi_from_fd(context, pfd->fd);
+			if (wsi)
+				__lws_change_pollfd(wsi, ftp->_and, ftp->_or);
+		}
+		lws_free((void *)ftp);
+		ftp = next;
+	}
+	vpt->foreign_pfd_list = NULL;
+	lws_memory_barrier();
+
+	/* we have come out of a poll wait... check the hrtimer list */
+
+	__lws_hrtimer_service(pt);
+
+	lws_pt_unlock(pt);
+
+	m = 0;
+#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
+	m |= !!pt->ws.rx_draining_ext_list;
+#endif
+
+	if (pt->context->tls_ops &&
+	    pt->context->tls_ops->fake_POLLIN_for_buffered)
+		m |= pt->context->tls_ops->fake_POLLIN_for_buffered(pt);
+
+	if (!m && !n) { /* nothing to do */
+		lws_service_fd_tsi(context, NULL, tsi);
+		lws_service_do_ripe_rxflow(pt);
+
+		return 0;
+	}
+
+faked_service:
+	m = lws_service_flag_pending(context, tsi);
+	if (m)
+		c = -1; /* unknown limit */
+	else
+		if (n < 0) {
+			if (LWS_ERRNO != LWS_EINTR)
+				return -1;
+			return 0;
+		} else
+			c = n;
+
+	/* any socket with events to service? */
+	for (n = 0; n < (int)pt->fds_count && c; n++) {
+		if (!pt->fds[n].revents)
+			continue;
+
+		c--;
+
+		m = lws_service_fd_tsi(context, &pt->fds[n], tsi);
+		if (m < 0) {
+			lwsl_err("%s: lws_service_fd_tsi returned %d\n",
+				 __func__, m);
+			return -1;
+		}
+		/* if something closed, retry this slot */
+		if (m)
+			n--;
+	}
+
+	lws_service_do_ripe_rxflow(pt);
+
+	return 0;
+}
+
+int
+lws_plat_check_connection_error(struct lws *wsi)
+{
+	return 0;
+}
+
+int
+lws_plat_service(struct lws_context *context, int timeout_ms)
+{
+	return _lws_plat_service_tsi(context, timeout_ms, 0);
+}
+
+
+void
+lws_plat_service_periodic(struct lws_context *context)
+{
+	/* if our parent went down, don't linger around */
+	if (context->started_with_parent &&
+	    kill(context->started_with_parent, 0) < 0)
+		kill(getpid(), SIGTERM);
+}
diff --git a/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c b/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c
new file mode 100644
index 0000000000..192dddee63
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/unix/unix-sockets.c
@@ -0,0 +1,263 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include "core/private.h"
+
+#include <pwd.h>
+#include <grp.h>
+
+
+
+int
+lws_send_pipe_choked(struct lws *wsi)
+{
+	struct lws_pollfd fds;
+	struct lws *wsi_eff;
+
+#if defined(LWS_WITH_HTTP2)
+	wsi_eff = lws_get_network_wsi(wsi);
+#else
+	wsi_eff = wsi;
+#endif
+
+	/* the fact we checked implies we avoided back-to-back writes */
+	wsi_eff->could_have_pending = 0;
+
+	/* treat the fact we got a truncated send pending as if we're choked */
+	if (lws_has_buffered_out(wsi_eff)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	    ||wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more
+#endif
+	    )
+		return 1;
+
+	fds.fd = wsi_eff->desc.sockfd;
+	fds.events = POLLOUT;
+	fds.revents = 0;
+
+	if (poll(&fds, 1, 0) != 1)
+		return 1;
+
+	if ((fds.revents & POLLOUT) == 0)
+		return 1;
+
+	/* okay to send another packet without blocking */
+
+	return 0;
+}
+
+
+int
+lws_plat_set_socket_options(struct lws_vhost *vhost, int fd, int unix_skt)
+{
+	int optval = 1;
+	socklen_t optlen = sizeof(optval);
+
+#ifdef LWS_WITH_IPV6
+	optval = 0;
+	setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&optval, optlen);
+#endif
+
+#if defined(__APPLE__) || \
+    defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
+    defined(__NetBSD__) || \
+    defined(__OpenBSD__) || \
+    defined(__HAIKU__)
+	struct protoent *tcp_proto;
+#endif
+
+	(void)fcntl(fd, F_SETFD, FD_CLOEXEC);
+
+	if (!unix_skt && vhost->ka_time) {
+		/* enable keepalive on this socket */
+		optval = 1;
+		if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
+			       (const void *)&optval, optlen) < 0)
+			return 1;
+
+#if defined(__APPLE__) || \
+    defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
+    defined(__NetBSD__) || \
+    defined(__CYGWIN__) || defined(__OpenBSD__) || defined (__sun) || \
+    defined(__HAIKU__)
+
+		/*
+		 * didn't find a way to set these per-socket, need to
+		 * tune kernel systemwide values
+		 */
+#else
+		/* set the keepalive conditions we want on it too */
+
+#if defined(LWS_HAVE_TCP_USER_TIMEOUT)
+		optval = 1000 * (vhost->ka_time +
+				 (vhost->ka_interval * vhost->ka_probes));
+		if (setsockopt(fd, IPPROTO_TCP, TCP_USER_TIMEOUT,
+			       (const void *)&optval, optlen) < 0)
+			return 1;
+#endif
+		optval = vhost->ka_time;
+		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE,
+			       (const void *)&optval, optlen) < 0)
+			return 1;
+
+		optval = vhost->ka_interval;
+		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL,
+			       (const void *)&optval, optlen) < 0)
+			return 1;
+
+		optval = vhost->ka_probes;
+		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT,
+			       (const void *)&optval, optlen) < 0)
+			return 1;
+#endif
+	}
+
+#if defined(SO_BINDTODEVICE)
+	if (!unix_skt && vhost->bind_iface && vhost->iface) {
+		lwsl_info("binding listen skt to %s using SO_BINDTODEVICE\n", vhost->iface);
+		if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, vhost->iface,
+				strlen(vhost->iface)) < 0) {
+			lwsl_warn("Failed to bind to device %s\n", vhost->iface);
+			return 1;
+		}
+	}
+#endif
+
+	/* Disable Nagle */
+	optval = 1;
+#if defined (__sun) || defined(__QNX__)
+	if (!unix_skt && setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0)
+		return 1;
+#elif !defined(__APPLE__) && \
+      !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) &&        \
+      !defined(__NetBSD__) && \
+      !defined(__OpenBSD__) && \
+      !defined(__HAIKU__)
+	if (!unix_skt && setsockopt(fd, SOL_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0)
+		return 1;
+#else
+	tcp_proto = getprotobyname("TCP");
+	if (!unix_skt && setsockopt(fd, tcp_proto->p_proto, TCP_NODELAY, &optval, optlen) < 0)
+		return 1;
+#endif
+
+	/* We are nonblocking... */
+	if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
+		return 1;
+
+	return 0;
+}
+
+
+/* cast a struct sockaddr_in6 * into addr for ipv6 */
+
+int
+lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr,
+		    size_t addrlen)
+{
+	int rc = LWS_ITOSA_NOT_EXIST;
+
+	struct ifaddrs *ifr;
+	struct ifaddrs *ifc;
+#ifdef LWS_WITH_IPV6
+	struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
+#endif
+
+	getifaddrs(&ifr);
+	for (ifc = ifr; ifc != NULL && rc; ifc = ifc->ifa_next) {
+		if (!ifc->ifa_addr)
+			continue;
+
+		lwsl_debug(" interface %s vs %s (fam %d) ipv6 %d\n",
+			   ifc->ifa_name, ifname,
+			   ifc->ifa_addr->sa_family, ipv6);
+
+		if (strcmp(ifc->ifa_name, ifname))
+			continue;
+
+		switch (ifc->ifa_addr->sa_family) {
+#if defined(AF_PACKET)
+		case AF_PACKET:
+			/* interface exists but is not usable */
+			rc = LWS_ITOSA_NOT_USABLE;
+			continue;
+#endif
+
+		case AF_INET:
+#ifdef LWS_WITH_IPV6
+			if (ipv6) {
+				/* map IPv4 to IPv6 */
+				bzero((char *)&addr6->sin6_addr,
+						sizeof(struct in6_addr));
+				addr6->sin6_addr.s6_addr[10] = 0xff;
+				addr6->sin6_addr.s6_addr[11] = 0xff;
+				memcpy(&addr6->sin6_addr.s6_addr[12],
+				       &((struct sockaddr_in *)ifc->ifa_addr)->sin_addr,
+							sizeof(struct in_addr));
+			} else
+#endif
+				memcpy(addr,
+					(struct sockaddr_in *)ifc->ifa_addr,
+						    sizeof(struct sockaddr_in));
+			break;
+#ifdef LWS_WITH_IPV6
+		case AF_INET6:
+			memcpy(&addr6->sin6_addr,
+			  &((struct sockaddr_in6 *)ifc->ifa_addr)->sin6_addr,
+						       sizeof(struct in6_addr));
+			break;
+#endif
+		default:
+			continue;
+		}
+		rc = LWS_ITOSA_USABLE;
+	}
+
+	freeifaddrs(ifr);
+
+	if (rc) {
+		/* check if bind to IP address */
+#ifdef LWS_WITH_IPV6
+		if (inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1)
+			rc = LWS_ITOSA_USABLE;
+		else
+#endif
+		if (inet_pton(AF_INET, ifname, &addr->sin_addr) == 1)
+			rc = LWS_ITOSA_USABLE;
+	}
+
+	return rc;
+}
+
+
+const char *
+lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
+{
+	return inet_ntop(af, src, dst, cnt);
+}
+
+int
+lws_plat_inet_pton(int af, const char *src, void *dst)
+{
+	return inet_pton(af, src, dst);
+}
diff --git a/thirdparty/libwebsockets/lib/plat/windows/private.h b/thirdparty/libwebsockets/lib/plat/windows/private.h
new file mode 100644
index 0000000000..980028ce42
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/private.h
@@ -0,0 +1,148 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ *
+ *  Included from lib/core/private.h if defined(WIN32) || defined(_WIN32)
+ */
+
+ #ifndef WIN32_LEAN_AND_MEAN
+  #define WIN32_LEAN_AND_MEAN
+ #endif
+
+ #if (WINVER < 0x0501)
+  #undef WINVER
+  #undef _WIN32_WINNT
+  #define WINVER 0x0501
+  #define _WIN32_WINNT WINVER
+ #endif
+
+ #define LWS_NO_DAEMONIZE
+ #define LWS_ERRNO WSAGetLastError()
+ #define LWS_EAGAIN WSAEWOULDBLOCK
+ #define LWS_EALREADY WSAEALREADY
+ #define LWS_EINPROGRESS WSAEINPROGRESS
+ #define LWS_EINTR WSAEINTR
+ #define LWS_EISCONN WSAEISCONN
+ #define LWS_ENOTCONN WSAENOTCONN
+ #define LWS_EWOULDBLOCK WSAEWOULDBLOCK
+ #define LWS_EADDRINUSE WSAEADDRINUSE
+ #define MSG_NOSIGNAL 0
+ #define SHUT_RDWR SD_BOTH
+ #define SOL_TCP IPPROTO_TCP
+ #define SHUT_WR SD_SEND
+
+ #define compatible_close(fd) closesocket(fd)
+ #define lws_set_blocking_send(wsi) wsi->sock_send_blocking = 1
+ #define LWS_SOCK_INVALID (INVALID_SOCKET)
+
+ #include <winsock2.h>
+ #include <ws2tcpip.h>
+ #include <windows.h>
+ #include <tchar.h>
+ #ifdef LWS_HAVE_IN6ADDR_H
+  #include <in6addr.h>
+ #endif
+ #include <mstcpip.h>
+ #include <io.h>
+
+ #if !defined(LWS_HAVE_ATOLL)
+  #if defined(LWS_HAVE__ATOI64)
+   #define atoll _atoi64
+  #else
+   #warning No atoll or _atoi64 available, using atoi
+   #define atoll atoi
+  #endif
+ #endif
+
+ #ifndef __func__
+  #define __func__ __FUNCTION__
+ #endif
+
+ #ifdef LWS_HAVE__VSNPRINTF
+  #define vsnprintf _vsnprintf
+ #endif
+
+/* we don't have an implementation for this on windows... */
+int kill(int pid, int sig);
+int fork(void);
+#ifndef SIGINT
+#define SIGINT 2
+#endif
+
+#include <gettimeofday.h>
+
+#ifndef BIG_ENDIAN
+ #define BIG_ENDIAN    4321  /* to show byte order (taken from gcc) */
+#endif
+#ifndef LITTLE_ENDIAN
+ #define LITTLE_ENDIAN 1234
+#endif
+#ifndef BYTE_ORDER
+ #define BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+#undef __P
+#ifndef __P
+ #if __STDC__
+  #define __P(protos) protos
+ #else
+  #define __P(protos) ()
+ #endif
+#endif
+
+#ifdef _WIN32
+ #ifndef FD_HASHTABLE_MODULUS
+  #define FD_HASHTABLE_MODULUS 32
+ #endif
+#endif
+
+#define lws_plat_socket_offset() (0)
+
+struct lws;
+struct lws_context;
+
+#define LWS_FD_HASH(fd) ((fd ^ (fd >> 8) ^ (fd >> 16)) % FD_HASHTABLE_MODULUS)
+struct lws_fd_hashtable {
+	struct lws **wsi;
+	int length;
+};
+
+
+#ifdef LWS_DLL
+#ifdef LWS_INTERNAL
+#define LWS_EXTERN extern __declspec(dllexport)
+#else
+#define LWS_EXTERN extern __declspec(dllimport)
+#endif
+#else
+#define LWS_EXTERN
+#endif
+
+typedef SOCKET lws_sockfd_type;
+typedef HANDLE lws_filefd_type;
+#define LWS_WIN32_HANDLE_TYPES
+
+LWS_EXTERN struct lws *
+wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd);
+
+LWS_EXTERN int
+insert_wsi(struct lws_context *context, struct lws *wsi);
+
+LWS_EXTERN int
+delete_from_fd(struct lws_context *context, lws_sockfd_type fd);
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-fds.c b/thirdparty/libwebsockets/lib/plat/windows/windows-fds.c
new file mode 100644
index 0000000000..0d324e8f3a
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-fds.c
@@ -0,0 +1,76 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+struct lws *
+wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd)
+{
+	int h = LWS_FD_HASH(fd);
+	int n = 0;
+
+	for (n = 0; n < context->fd_hashtable[h].length; n++)
+		if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd)
+			return context->fd_hashtable[h].wsi[n];
+
+	return NULL;
+}
+
+int
+insert_wsi(struct lws_context *context, struct lws *wsi)
+{
+	int h = LWS_FD_HASH(wsi->desc.sockfd);
+
+	if (context->fd_hashtable[h].length == (getdtablesize() - 1)) {
+		lwsl_err("hash table overflow\n");
+		return 1;
+	}
+
+	context->fd_hashtable[h].wsi[context->fd_hashtable[h].length++] = wsi;
+
+	return 0;
+}
+
+int
+delete_from_fd(struct lws_context *context, lws_sockfd_type fd)
+{
+	int h = LWS_FD_HASH(fd);
+	int n = 0;
+
+	for (n = 0; n < context->fd_hashtable[h].length; n++)
+		if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd) {
+			while (n < context->fd_hashtable[h].length) {
+				context->fd_hashtable[h].wsi[n] =
+					context->fd_hashtable[h].wsi[n + 1];
+				n++;
+			}
+			context->fd_hashtable[h].length--;
+
+			return 0;
+		}
+
+	lwsl_err("Failed to find fd %d requested for "
+		 "delete in hashtable\n", fd);
+	return 1;
+}
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-file.c b/thirdparty/libwebsockets/lib/plat/windows/windows-file.c
new file mode 100644
index 0000000000..eb73aab7f6
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-file.c
@@ -0,0 +1,185 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+int lws_plat_apply_FD_CLOEXEC(int n)
+{
+	return 0;
+}
+
+lws_fop_fd_t
+_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+		    const char *vpath, lws_fop_flags_t *flags)
+{
+	HANDLE ret;
+	WCHAR buf[MAX_PATH];
+	lws_fop_fd_t fop_fd;
+	FILE_STANDARD_INFO fInfo = {0};
+
+	MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, LWS_ARRAY_SIZE(buf));
+
+#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0602 // Windows 8 (minimum when UWP_ENABLED, but can be used in Windows builds)
+	CREATEFILE2_EXTENDED_PARAMETERS extParams = {0};
+	extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
+
+	if (((*flags) & 7) == _O_RDONLY) {
+		ret = CreateFile2(buf, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, &extParams);
+	} else {
+		ret = CreateFile2(buf, GENERIC_WRITE, 0, CREATE_ALWAYS, &extParams);
+	}
+#else
+	if (((*flags) & 7) == _O_RDONLY) {
+		ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ,
+			  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+	} else {
+		ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
+			  CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+	}
+#endif
+
+	if (ret == LWS_INVALID_FILE)
+		goto bail;
+
+	fop_fd = malloc(sizeof(*fop_fd));
+	if (!fop_fd)
+		goto bail;
+
+	fop_fd->fops = fops;
+	fop_fd->fd = ret;
+	fop_fd->filesystem_priv = NULL; /* we don't use it */
+	fop_fd->flags = *flags;
+	fop_fd->len = 0;
+	if(GetFileInformationByHandleEx(ret, FileStandardInfo, &fInfo, sizeof(fInfo)))
+		fop_fd->len = fInfo.EndOfFile.QuadPart;
+
+	fop_fd->pos = 0;
+
+	return fop_fd;
+
+bail:
+	return NULL;
+}
+
+int
+_lws_plat_file_close(lws_fop_fd_t *fop_fd)
+{
+	HANDLE fd = (*fop_fd)->fd;
+
+	free(*fop_fd);
+	*fop_fd = NULL;
+
+	CloseHandle((HANDLE)fd);
+
+	return 0;
+}
+
+lws_fileofs_t
+_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
+{
+	LARGE_INTEGER l;
+
+	l.QuadPart = offset;
+	return SetFilePointerEx((HANDLE)fop_fd->fd, l, NULL, FILE_CURRENT);
+}
+
+int
+_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+		    uint8_t *buf, lws_filepos_t len)
+{
+	DWORD _amount;
+
+	if (!ReadFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
+		*amount = 0;
+
+		return 1;
+	}
+
+	fop_fd->pos += _amount;
+	*amount = (unsigned long)_amount;
+
+	return 0;
+}
+
+int
+_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
+			 uint8_t* buf, lws_filepos_t len)
+{
+	DWORD _amount;
+
+	if (!WriteFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
+		*amount = 0;
+
+		return 1;
+	}
+
+	fop_fd->pos += _amount;
+	*amount = (unsigned long)_amount;
+
+	return 0;
+}
+
+
+int
+lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
+			int len)
+{
+	int n;
+
+	n = write(fd, buf, len);
+
+	lseek(fd, 0, SEEK_SET);
+
+	return n != len;
+}
+
+int
+lws_plat_write_file(const char *filename, void *buf, int len)
+{
+	int m, fd;
+
+	fd = lws_open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+
+	if (fd == -1)
+		return -1;
+
+	m = write(fd, buf, len);
+	close(fd);
+
+	return m != len;
+}
+
+int
+lws_plat_read_file(const char *filename, void *buf, int len)
+{
+	int n, fd = lws_open(filename, O_RDONLY);
+	if (fd == -1)
+		return -1;
+
+	n = read(fd, buf, len);
+	close(fd);
+
+	return n;
+}
+
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-init.c b/thirdparty/libwebsockets/lib/plat/windows/windows-init.c
new file mode 100644
index 0000000000..8c4d9373f6
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-init.c
@@ -0,0 +1,110 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+void
+lws_plat_drop_app_privileges(const struct lws_context_creation_info *info)
+{
+}
+
+int
+lws_plat_context_early_init(void)
+{
+	WORD wVersionRequested;
+	WSADATA wsaData;
+	int err;
+
+	/* Use the MAKEWORD(lowbyte, highbyte) macro from Windef.h */
+	wVersionRequested = MAKEWORD(2, 2);
+
+	err = WSAStartup(wVersionRequested, &wsaData);
+	if (!err)
+		return 0;
+	/*
+	 * Tell the user that we could not find a usable
+	 * Winsock DLL
+	 */
+	lwsl_err("WSAStartup failed with error: %d\n", err);
+
+	return 1;
+}
+
+int
+lws_plat_init(struct lws_context *context,
+	      const struct lws_context_creation_info *info)
+{
+	struct lws_context_per_thread *pt = &context->pt[0];
+	int i, n = context->count_threads;
+
+	for (i = 0; i < FD_HASHTABLE_MODULUS; i++) {
+		context->fd_hashtable[i].wsi =
+			lws_zalloc(sizeof(struct lws*) * context->max_fds,
+				   "win hashtable");
+
+		if (!context->fd_hashtable[i].wsi)
+			return -1;
+	}
+
+	while (n--) {
+		pt->fds_count = 0;
+		pt->events = WSACreateEvent(); /* the cancel event */
+
+		pt++;
+	}
+
+	context->fd_random = 0;
+
+#ifdef LWS_WITH_PLUGINS
+	if (info->plugin_dirs)
+		lws_plat_plugins_init(context, info->plugin_dirs);
+#endif
+
+	return 0;
+}
+
+void
+lws_plat_context_early_destroy(struct lws_context *context)
+{
+	struct lws_context_per_thread *pt = &context->pt[0];
+	int n = context->count_threads;
+
+	while (n--) {
+		WSACloseEvent(pt->events);
+		pt++;
+	}
+}
+
+void
+lws_plat_context_late_destroy(struct lws_context *context)
+{
+	int n;
+
+	for (n = 0; n < FD_HASHTABLE_MODULUS; n++) {
+		if (context->fd_hashtable[n].wsi)
+			lws_free(context->fd_hashtable[n].wsi);
+	}
+
+	WSACleanup();
+}
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-misc.c b/thirdparty/libwebsockets/lib/plat/windows/windows-misc.c
new file mode 100644
index 0000000000..53cc19b6b9
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-misc.c
@@ -0,0 +1,108 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+
+uint64_t
+lws_time_in_microseconds()
+{
+#ifndef DELTA_EPOCH_IN_MICROSECS
+#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
+#endif
+	FILETIME filetime;
+	ULARGE_INTEGER datetime;
+
+#ifdef _WIN32_WCE
+	GetCurrentFT(&filetime);
+#else
+	GetSystemTimeAsFileTime(&filetime);
+#endif
+
+	/*
+	 * As per Windows documentation for FILETIME, copy the resulting
+	 * FILETIME structure to a ULARGE_INTEGER structure using memcpy
+	 * (using memcpy instead of direct assignment can prevent alignment
+	 * faults on 64-bit Windows).
+	 */
+	memcpy(&datetime, &filetime, sizeof(datetime));
+
+	/* Windows file times are in 100s of nanoseconds. */
+	return (datetime.QuadPart / 10) - DELTA_EPOCH_IN_MICROSECS;
+}
+
+
+#ifdef _WIN32_WCE
+time_t time(time_t *t)
+{
+	time_t ret = lws_time_in_microseconds() / 1000000;
+
+	if(t != NULL)
+		*t = ret;
+
+	return ret;
+}
+#endif
+
+LWS_VISIBLE int
+lws_get_random(struct lws_context *context, void *buf, int len)
+{
+	int n;
+	char *p = (char *)buf;
+
+	for (n = 0; n < len; n++)
+		p[n] = (unsigned char)rand();
+
+	return n;
+}
+
+
+LWS_VISIBLE void
+lwsl_emit_syslog(int level, const char *line)
+{
+	lwsl_emit_stderr(level, line);
+}
+
+
+int kill(int pid, int sig)
+{
+	lwsl_err("Sorry Windows doesn't support kill().");
+	exit(0);
+}
+
+int fork(void)
+{
+	lwsl_err("Sorry Windows doesn't support fork().");
+	exit(0);
+}
+
+
+int
+lws_plat_recommended_rsa_bits(void)
+{
+	return 4096;
+}
+
+
+
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-pipe.c b/thirdparty/libwebsockets/lib/plat/windows/windows-pipe.c
new file mode 100644
index 0000000000..af2af1fa83
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-pipe.c
@@ -0,0 +1,46 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+int
+lws_plat_pipe_create(struct lws *wsi)
+{
+	return 1;
+}
+
+int
+lws_plat_pipe_signal(struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
+
+	WSASetEvent(pt->events); /* trigger the cancel event */
+
+	return 0;
+}
+
+void
+lws_plat_pipe_close(struct lws *wsi)
+{
+}
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-service.c b/thirdparty/libwebsockets/lib/plat/windows/windows-service.c
new file mode 100644
index 0000000000..a6adefbd3b
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-service.c
@@ -0,0 +1,194 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+
+LWS_EXTERN int
+_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
+{
+	struct lws_context_per_thread *pt;
+	WSANETWORKEVENTS networkevents;
+	struct lws_pollfd *pfd;
+	struct lws *wsi;
+	unsigned int i;
+	DWORD ev;
+	int n;
+
+	/* stay dead once we are dead */
+	if (context == NULL || !context->vhost_list)
+		return 1;
+
+	pt = &context->pt[tsi];
+
+	if (!pt->service_tid_detected) {
+		struct lws _lws;
+
+		memset(&_lws, 0, sizeof(_lws));
+		_lws.context = context;
+
+		pt->service_tid = context->vhost_list->
+			protocols[0].callback(&_lws, LWS_CALLBACK_GET_THREAD_ID,
+						  NULL, NULL, 0);
+		pt->service_tid_detected = 1;
+	}
+
+	if (timeout_ms < 0) {
+		if (lws_service_flag_pending(context, tsi)) {
+			/* any socket with events to service? */
+			for (n = 0; n < (int)pt->fds_count; n++) {
+				int m;
+				if (!pt->fds[n].revents)
+					continue;
+
+				m = lws_service_fd_tsi(context, &pt->fds[n], tsi);
+				if (m < 0)
+					return -1;
+				/* if something closed, retry this slot */
+				if (m)
+					n--;
+			}
+		}
+		return 0;
+	}
+
+	if (context->event_loop_ops->run_pt)
+		context->event_loop_ops->run_pt(context, tsi);
+
+	for (i = 0; i < pt->fds_count; ++i) {
+		pfd = &pt->fds[i];
+
+		if (!(pfd->events & LWS_POLLOUT))
+			continue;
+
+		wsi = wsi_from_fd(context, pfd->fd);
+		if (!wsi || wsi->listener)
+			continue;
+		if (wsi->sock_send_blocking)
+			continue;
+		pfd->revents = LWS_POLLOUT;
+		n = lws_service_fd(context, pfd);
+		if (n < 0)
+			return -1;
+
+		/* Force WSAWaitForMultipleEvents() to check events and then return immediately. */
+		timeout_ms = 0;
+
+		/* if something closed, retry this slot */
+		if (n)
+			i--;
+	}
+
+	/*
+	 * is there anybody with pending stuff that needs service forcing?
+	 */
+	if (!lws_service_adjust_timeout(context, 1, tsi)) {
+		/* -1 timeout means just do forced service */
+		_lws_plat_service_tsi(context, -1, pt->tid);
+		/* still somebody left who wants forced service? */
+		if (!lws_service_adjust_timeout(context, 1, pt->tid))
+			/* yes... come back again quickly */
+			timeout_ms = 0;
+	}
+
+	if (timeout_ms) {
+		lws_usec_t t;
+
+		lws_pt_lock(pt, __func__);
+		/* don't stay in poll wait longer than next hr timeout */
+		t =  __lws_hrtimer_service(pt);
+
+		if ((lws_usec_t)timeout_ms * 1000 > t)
+			timeout_ms = (int)(t / 1000);
+		lws_pt_unlock(pt);
+	}
+
+	ev = WSAWaitForMultipleEvents(1, &pt->events, FALSE, timeout_ms, FALSE);
+	if (ev == WSA_WAIT_EVENT_0) {
+		unsigned int eIdx;
+
+		WSAResetEvent(pt->events);
+
+		if (pt->context->tls_ops &&
+		    pt->context->tls_ops->fake_POLLIN_for_buffered)
+			pt->context->tls_ops->fake_POLLIN_for_buffered(pt);
+
+		for (eIdx = 0; eIdx < pt->fds_count; ++eIdx) {
+			unsigned int err;
+
+			if (WSAEnumNetworkEvents(pt->fds[eIdx].fd, 0,
+					&networkevents) == SOCKET_ERROR) {
+				lwsl_err("WSAEnumNetworkEvents() failed "
+					 "with error %d\n", LWS_ERRNO);
+				return -1;
+			}
+
+			pfd = &pt->fds[eIdx];
+			pfd->revents = (short)networkevents.lNetworkEvents;
+
+			err = networkevents.iErrorCode[FD_CONNECT_BIT];
+
+			if ((networkevents.lNetworkEvents & FD_CONNECT) &&
+			     err && err != LWS_EALREADY &&
+			     err != LWS_EINPROGRESS && err != LWS_EWOULDBLOCK &&
+			     err != WSAEINVAL) {
+				lwsl_debug("Unable to connect errno=%d\n", err);
+				pfd->revents |= LWS_POLLHUP;
+			}
+
+			if (pfd->revents & LWS_POLLOUT) {
+				wsi = wsi_from_fd(context, pfd->fd);
+				if (wsi)
+					wsi->sock_send_blocking = 0;
+			}
+			 /* if something closed, retry this slot */
+			if (pfd->revents & LWS_POLLHUP)
+				--eIdx;
+
+			if (pfd->revents) {
+				recv(pfd->fd, NULL, 0, 0);
+				lws_service_fd_tsi(context, pfd, tsi);
+			}
+		}
+	}
+
+	if (ev == WSA_WAIT_TIMEOUT)
+		lws_service_fd(context, NULL);
+
+	return 0;
+}
+
+int
+lws_plat_service(struct lws_context *context, int timeout_ms)
+{
+	return _lws_plat_service_tsi(context, timeout_ms, 0);
+}
+
+
+
+void
+lws_plat_service_periodic(struct lws_context *context)
+{
+}
+
diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c b/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c
new file mode 100644
index 0000000000..62a0a49846
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/plat/windows/windows-sockets.c
@@ -0,0 +1,288 @@
+#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
+#define _WINSOCK_DEPRECATED_NO_WARNINGS
+#endif
+#include "core/private.h"
+
+
+LWS_VISIBLE int
+lws_send_pipe_choked(struct lws *wsi)
+{	struct lws *wsi_eff;
+
+#if defined(LWS_WITH_HTTP2)
+	wsi_eff = lws_get_network_wsi(wsi);
+#else
+	wsi_eff = wsi;
+#endif
+	/* the fact we checked implies we avoided back-to-back writes */
+	wsi_eff->could_have_pending = 0;
+
+	/* treat the fact we got a truncated send pending as if we're choked */
+	if (lws_has_buffered_out(wsi_eff)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	    ||wsi->http.comp_ctx.buflist_comp ||
+	      wsi->http.comp_ctx.may_have_more
+#endif
+	)
+		return 1;
+
+	return (int)wsi_eff->sock_send_blocking;
+}
+
+int
+lws_poll_listen_fd(struct lws_pollfd *fd)
+{
+	fd_set readfds;
+	struct timeval tv = { 0, 0 };
+
+	assert((fd->events & LWS_POLLIN) == LWS_POLLIN);
+
+	FD_ZERO(&readfds);
+	FD_SET(fd->fd, &readfds);
+
+	return select(((int)fd->fd) + 1, &readfds, NULL, NULL, &tv);
+}
+
+int
+lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd,
+			    int unix_skt)
+{
+	int optval = 1;
+	int optlen = sizeof(optval);
+	u_long optl = 1;
+	DWORD dwBytesRet;
+	struct tcp_keepalive alive;
+	int protonbr;
+#ifndef _WIN32_WCE
+	struct protoent *tcp_proto;
+#endif
+
+#ifdef LWS_WITH_IPV6
+	optval = 0;
+	setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&optval, optlen);
+#endif
+
+	if (vhost->ka_time) {
+		/* enable keepalive on this socket */
+		optval = 1;
+		if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
+			       (const char *)&optval, optlen) < 0)
+			return 1;
+
+		alive.onoff = TRUE;
+		alive.keepalivetime = vhost->ka_time;
+		alive.keepaliveinterval = vhost->ka_interval;
+
+		if (WSAIoctl(fd, SIO_KEEPALIVE_VALS, &alive, sizeof(alive),
+			     NULL, 0, &dwBytesRet, NULL, NULL))
+			return 1;
+	}
+
+	/* Disable Nagle */
+	optval = 1;
+#ifndef _WIN32_WCE
+	tcp_proto = getprotobyname("TCP");
+	if (!tcp_proto) {
+		lwsl_err("getprotobyname() failed with error %d\n", LWS_ERRNO);
+		return 1;
+	}
+	protonbr = tcp_proto->p_proto;
+#else
+	protonbr = 6;
+#endif
+
+	setsockopt(fd, protonbr, TCP_NODELAY, (const char *)&optval, optlen);
+
+	/* We are nonblocking... */
+	ioctlsocket(fd, FIONBIO, &optl);
+
+	return 0;
+}
+
+
+LWS_EXTERN int
+lws_interface_to_sa(int ipv6,
+		const char *ifname, struct sockaddr_in *addr, size_t addrlen)
+{
+#ifdef LWS_WITH_IPV6
+	struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
+
+	if (ipv6) {
+		if (lws_plat_inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1) {
+			return LWS_ITOSA_USABLE;
+		}
+	}
+#endif
+
+	long long address = inet_addr(ifname);
+
+	if (address == INADDR_NONE) {
+		struct hostent *entry = gethostbyname(ifname);
+		if (entry)
+			address = ((struct in_addr *)entry->h_addr_list[0])->s_addr;
+	}
+
+	if (address == INADDR_NONE)
+		return LWS_ITOSA_NOT_EXIST;
+
+	addr->sin_addr.s_addr = (unsigned long)(lws_intptr_t)address;
+
+	return LWS_ITOSA_USABLE;
+}
+
+void
+lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi)
+{
+	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+
+	pt->fds[pt->fds_count++].revents = 0;
+	WSAEventSelect(wsi->desc.sockfd, pt->events,
+			   LWS_POLLIN | LWS_POLLHUP | FD_CONNECT);
+}
+
+void
+lws_plat_delete_socket_from_fds(struct lws_context *context,
+						struct lws *wsi, int m)
+{
+	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+
+	pt->fds_count--;
+}
+
+
+int
+lws_plat_check_connection_error(struct lws *wsi)
+{
+	int optVal;
+	int optLen = sizeof(int);
+
+	if (getsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_ERROR,
+			   (char*)&optVal, &optLen) != SOCKET_ERROR && optVal &&
+		optVal != LWS_EALREADY && optVal != LWS_EINPROGRESS &&
+		optVal != LWS_EWOULDBLOCK && optVal != WSAEINVAL) {
+		   lwsl_debug("Connect failed SO_ERROR=%d\n", optVal);
+		   return 1;
+	}
+
+	return 0;
+}
+
+int
+lws_plat_change_pollfd(struct lws_context *context,
+			  struct lws *wsi, struct lws_pollfd *pfd)
+{
+	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+	long networkevents = LWS_POLLHUP | FD_CONNECT;
+
+	if ((pfd->events & LWS_POLLIN))
+		networkevents |= LWS_POLLIN;
+
+	if ((pfd->events & LWS_POLLOUT))
+		networkevents |= LWS_POLLOUT;
+
+	if (WSAEventSelect(wsi->desc.sockfd, pt->events,
+			   networkevents) != SOCKET_ERROR)
+		return 0;
+
+	lwsl_err("WSAEventSelect() failed with error %d\n", LWS_ERRNO);
+
+	return 1;
+}
+
+const char *
+lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
+{
+	WCHAR *buffer;
+	DWORD bufferlen = cnt;
+	BOOL ok = FALSE;
+
+	buffer = lws_malloc(bufferlen * 2, "inet_ntop");
+	if (!buffer) {
+		lwsl_err("Out of memory\n");
+		return NULL;
+	}
+
+	if (af == AF_INET) {
+		struct sockaddr_in srcaddr;
+		bzero(&srcaddr, sizeof(srcaddr));
+		srcaddr.sin_family = AF_INET;
+		memcpy(&(srcaddr.sin_addr), src, sizeof(srcaddr.sin_addr));
+
+		if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
+			ok = TRUE;
+#ifdef LWS_WITH_IPV6
+	} else if (af == AF_INET6) {
+		struct sockaddr_in6 srcaddr;
+		bzero(&srcaddr, sizeof(srcaddr));
+		srcaddr.sin6_family = AF_INET6;
+		memcpy(&(srcaddr.sin6_addr), src, sizeof(srcaddr.sin6_addr));
+
+		if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
+			ok = TRUE;
+#endif
+	} else
+		lwsl_err("Unsupported type\n");
+
+	if (!ok) {
+		int rv = WSAGetLastError();
+		lwsl_err("WSAAddressToString() : %d\n", rv);
+	} else {
+		if (WideCharToMultiByte(CP_ACP, 0, buffer, bufferlen, dst, cnt, 0, NULL) <= 0)
+			ok = FALSE;
+	}
+
+	lws_free(buffer);
+	return ok ? dst : NULL;
+}
+
+int
+lws_plat_inet_pton(int af, const char *src, void *dst)
+{
+	WCHAR *buffer;
+	DWORD bufferlen = (int)strlen(src) + 1;
+	BOOL ok = FALSE;
+
+	buffer = lws_malloc(bufferlen * 2, "inet_pton");
+	if (!buffer) {
+		lwsl_err("Out of memory\n");
+		return -1;
+	}
+
+	if (MultiByteToWideChar(CP_ACP, 0, src, bufferlen, buffer, bufferlen) <= 0) {
+		lwsl_err("Failed to convert multi byte to wide char\n");
+		lws_free(buffer);
+		return -1;
+	}
+
+	if (af == AF_INET) {
+		struct sockaddr_in dstaddr;
+		int dstaddrlen = sizeof(dstaddr);
+		bzero(&dstaddr, sizeof(dstaddr));
+		dstaddr.sin_family = AF_INET;
+
+		if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
+			ok = TRUE;
+			memcpy(dst, &dstaddr.sin_addr, sizeof(dstaddr.sin_addr));
+		}
+#ifdef LWS_WITH_IPV6
+	} else if (af == AF_INET6) {
+		struct sockaddr_in6 dstaddr;
+		int dstaddrlen = sizeof(dstaddr);
+		bzero(&dstaddr, sizeof(dstaddr));
+		dstaddr.sin6_family = AF_INET6;
+
+		if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
+			ok = TRUE;
+			memcpy(dst, &dstaddr.sin6_addr, sizeof(dstaddr.sin6_addr));
+		}
+#endif
+	} else
+		lwsl_err("Unsupported type\n");
+
+	if (!ok) {
+		int rv = WSAGetLastError();
+		lwsl_err("WSAAddressToString() : %d\n", rv);
+	}
+
+	lws_free(buffer);
+	return ok ? 1 : -1;
+}
diff --git a/thirdparty/libwebsockets/roles/h1/ops-h1.c b/thirdparty/libwebsockets/lib/roles/h1/ops-h1.c
index 9001c864ea..2fa0fe16e4 100644
--- a/thirdparty/libwebsockets/roles/h1/ops-h1.c
+++ b/thirdparty/libwebsockets/lib/roles/h1/ops-h1.c
@@ -42,7 +42,7 @@ lws_read_h1(struct lws *wsi, unsigned char *buf, lws_filepos_t len)
 	lws_filepos_t body_chunk_len;
 	size_t n;
 
-	// lwsl_notice("%s: h1 path: wsi state 0x%x\n", __func__, lwsi_state(wsi));
+	lwsl_debug("%s: h1 path: wsi state 0x%x\n", __func__, lwsi_state(wsi));
 
 	switch (lwsi_state(wsi)) {
 
@@ -90,7 +90,6 @@ lws_read_h1(struct lws *wsi, unsigned char *buf, lws_filepos_t len)
 		 * appropriately:
 		 */
 		len -= (buf - last_char);
-//		lwsl_debug("%s: thinks we have used %ld\n", __func__, (long)len);
 
 		if (!wsi->hdr_parsing_completed)
 			/* More header content on the way */
@@ -119,6 +118,10 @@ lws_read_h1(struct lws *wsi, unsigned char *buf, lws_filepos_t len)
 http_postbody:
 		lwsl_debug("%s: http post body: remain %d\n", __func__,
 			    (int)wsi->http.rx_content_remain);
+
+		if (!wsi->http.rx_content_remain)
+			goto postbody_completion;
+
 		while (len && wsi->http.rx_content_remain) {
 			/* Copy as much as possible, up to the limit of:
 			 * what we have in the read buffer (len)
@@ -158,7 +161,8 @@ http_postbody:
 			buf += n;
 
 			if (wsi->http.rx_content_remain)  {
-				lws_set_timeout(wsi, PENDING_TIMEOUT_HTTP_CONTENT,
+				lws_set_timeout(wsi,
+						PENDING_TIMEOUT_HTTP_CONTENT,
 						wsi->context->timeout_secs);
 				break;
 			}
@@ -221,7 +225,7 @@ ws_mode:
 		break;
 
 	case LRS_DEFERRING_ACTION:
-		lwsl_debug("%s: LRS_DEFERRING_ACTION\n", __func__);
+		lwsl_notice("%s: LRS_DEFERRING_ACTION\n", __func__);
 		break;
 
 	case LRS_SSL_ACK_PENDING:
@@ -311,7 +315,8 @@ lws_h1_server_socket_service(struct lws *wsi, struct lws_pollfd *pollfd)
 	     lwsi_state(wsi) == LRS_BODY)) {
 
 		if (!wsi->http.ah && lws_header_table_attach(wsi, 0)) {
-			lwsl_info("%s: wsi %p: ah not available\n", __func__, wsi);
+			lwsl_info("%s: wsi %p: ah not available\n", __func__,
+				  wsi);
 			goto try_pollout;
 		}
 
@@ -337,7 +342,8 @@ lws_h1_server_socket_service(struct lws *wsi, struct lws_pollfd *pollfd)
 			 * and draining the extensions
 			 */
 			if (wsi->ws &&
-			    (wsi->ws->rx_draining_ext || wsi->ws->tx_draining_ext))
+			    (wsi->ws->rx_draining_ext ||
+			     wsi->ws->tx_draining_ext))
 				goto try_pollout;
 #endif
 			/*
@@ -445,10 +451,9 @@ try_pollout:
 
 	if (lwsi_state(wsi) != LRS_ISSUING_FILE) {
 
-		if (wsi->trunc_len) {
+		if (lws_has_buffered_out(wsi)) {
 			//lwsl_notice("%s: completing partial\n", __func__);
-			if (lws_issue_raw(wsi, wsi->trunc_alloc + wsi->trunc_offset,
-					  wsi->trunc_len) < 0) {
+			if (lws_issue_raw(wsi, NULL, 0) < 0) {
 				lwsl_info("%s signalling to close\n", __func__);
 				goto fail;
 			}
@@ -459,7 +464,7 @@ try_pollout:
 					LWSSTATS_C_WRITEABLE_CB, 1);
 #if defined(LWS_WITH_STATS)
 		if (wsi->active_writable_req_us) {
-			uint64_t ul = time_in_microseconds() -
+			uint64_t ul = lws_time_in_microseconds() -
 					wsi->active_writable_req_us;
 
 			lws_stats_atomic_bump(wsi->context, pt,
@@ -519,6 +524,58 @@ rops_handle_POLLIN_h1(struct lws_context_per_thread *pt, struct lws *wsi,
 	}
 #endif
 
+#if 0
+
+	/*
+	 * !!! lws_serve_http_file_fragment() seems to duplicate most of
+	 * lws_handle_POLLOUT_event() in its own loop...
+	 */
+	lwsl_debug("%s: %d %d\n", __func__, (pollfd->revents & LWS_POLLOUT),
+			lwsi_state_can_handle_POLLOUT(wsi));
+
+	if ((pollfd->revents & LWS_POLLOUT) &&
+	    lwsi_state_can_handle_POLLOUT(wsi) &&
+	    lws_handle_POLLOUT_event(wsi, pollfd)) {
+		if (lwsi_state(wsi) == LRS_RETURNED_CLOSE)
+			lwsi_set_state(wsi, LRS_FLUSHING_BEFORE_CLOSE);
+		/* the write failed... it's had it */
+		wsi->socket_is_permanently_unusable = 1;
+
+		return LWS_HPI_RET_PLEASE_CLOSE_ME;
+	}
+#endif
+
+
+	/* Priority 2: pre- compression transform */
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more) {
+		enum lws_write_protocol wp = LWS_WRITE_HTTP;
+
+		lwsl_info("%s: completing comp partial (buflist_comp %p, may %d)\n",
+				__func__, wsi->http.comp_ctx.buflist_comp,
+				wsi->http.comp_ctx.may_have_more
+				);
+
+		if (wsi->role_ops->write_role_protocol(wsi, NULL, 0, &wp) < 0) {
+			lwsl_info("%s signalling to close\n", __func__);
+			return LWS_HPI_RET_PLEASE_CLOSE_ME;
+		}
+		lws_callback_on_writable(wsi);
+
+		if (!wsi->http.comp_ctx.buflist_comp &&
+		    !wsi->http.comp_ctx.may_have_more &&
+		    wsi->http.deferred_transaction_completed) {
+			wsi->http.deferred_transaction_completed = 0;
+			if (lws_http_transaction_completed(wsi))
+				return LWS_HPI_RET_PLEASE_CLOSE_ME;
+		}
+
+		return LWS_HPI_RET_HANDLED;
+	}
+#endif
+
         if (lws_is_flowcontrolled(wsi))
                 /* We cannot deal with any kind of new RX because we are
                  * RX-flowcontrolled.
@@ -529,12 +586,14 @@ rops_handle_POLLIN_h1(struct lws_context_per_thread *pt, struct lws *wsi,
 	if (!lwsi_role_client(wsi)) {
 		int n;
 
-		lwsl_debug("%s: %p: wsistate 0x%x\n", __func__, wsi, wsi->wsistate);
+		lwsl_debug("%s: %p: wsistate 0x%x\n", __func__, wsi,
+			   wsi->wsistate);
 		n = lws_h1_server_socket_service(wsi, pollfd);
 		if (n != LWS_HPI_RET_HANDLED)
 			return n;
 		if (lwsi_state(wsi) != LRS_SSL_INIT)
-			if (lws_server_socket_service_ssl(wsi, LWS_SOCK_INVALID))
+			if (lws_server_socket_service_ssl(wsi,
+							  LWS_SOCK_INVALID))
 				return LWS_HPI_RET_PLEASE_CLOSE_ME;
 
 		return LWS_HPI_RET_HANDLED;
@@ -564,10 +623,9 @@ rops_handle_POLLIN_h1(struct lws_context_per_thread *pt, struct lws *wsi,
 		/* let user code know, he'll usually ask for writeable
 		 * callback and drain / re-enable it there
 		 */
-		if (user_callback_handle_rxflow(
-				wsi->protocol->callback,
-				wsi, LWS_CALLBACK_RECEIVE_CLIENT_HTTP,
-				wsi->user_space, NULL, 0)) {
+		if (user_callback_handle_rxflow(wsi->protocol->callback, wsi,
+					       LWS_CALLBACK_RECEIVE_CLIENT_HTTP,
+						wsi->user_space, NULL, 0)) {
 			lwsl_info("RECEIVE_CLIENT_HTTP closed it\n");
 			return LWS_HPI_RET_PLEASE_CLOSE_ME;
 		}
@@ -608,19 +666,68 @@ static int
 rops_write_role_protocol_h1(struct lws *wsi, unsigned char *buf, size_t len,
 			    enum lws_write_protocol *wp)
 {
-#if 0
-	/* if not in a state to send stuff, then just send nothing */
+	size_t olen = len;
+	int n;
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.lcs && (((*wp) & 0x1f) == LWS_WRITE_HTTP_FINAL ||
+			      ((*wp) & 0x1f) == LWS_WRITE_HTTP)) {
+		unsigned char mtubuf[1400 + LWS_PRE +
+				     LWS_HTTP_CHUNK_HDR_MAX_SIZE +
+				     LWS_HTTP_CHUNK_TRL_MAX_SIZE],
+			      *out = mtubuf + LWS_PRE +
+				     LWS_HTTP_CHUNK_HDR_MAX_SIZE;
+		size_t o = sizeof(mtubuf) - LWS_PRE -
+			   LWS_HTTP_CHUNK_HDR_MAX_SIZE -
+			   LWS_HTTP_CHUNK_TRL_MAX_SIZE;
+
+		n = lws_http_compression_transform(wsi, buf, len, wp, &out, &o);
+		if (n)
+			return n;
 
-	if ((lwsi_state(wsi) != LRS_RETURNED_CLOSE &&
-	     lwsi_state(wsi) != LRS_WAITING_TO_SEND_CLOSE &&
-	     lwsi_state(wsi) != LRS_AWAITING_CLOSE_ACK)) {
-		//assert(0);
-		lwsl_debug("binning %d %d\n", lwsi_state(wsi), *wp);
-		return 0;
+		lwsl_info("%s: %p: transformed %d bytes to %d "
+			   "(wp 0x%x, more %d)\n", __func__, wsi, (int)len,
+			   (int)o, (int)*wp, wsi->http.comp_ctx.may_have_more);
+
+		if (!o)
+			return olen;
+
+		if (wsi->http.comp_ctx.chunking) {
+			char c[LWS_HTTP_CHUNK_HDR_MAX_SIZE + 2];
+			/*
+			 * this only needs dealing with on http/1.1 to allow
+			 * pipelining
+			 */
+			n = lws_snprintf(c, sizeof(c), "%X\x0d\x0a", (int)o);
+			lwsl_info("%s: chunk (%d) %s", __func__, (int)o, c);
+			out -= n;
+			o += n;
+			memcpy(out, c, n);
+			out[o++] = '\x0d';
+			out[o++] = '\x0a';
+
+			if (((*wp) & 0x1f) == LWS_WRITE_HTTP_FINAL) {
+				lwsl_info("%s: final chunk\n", __func__);
+				out[o++] = '0';
+				out[o++] = '\x0d';
+				out[o++] = '\x0a';
+				out[o++] = '\x0d';
+				out[o++] = '\x0a';
+			}
+		}
+
+		buf = out;
+		len = o;
 	}
 #endif
 
-	return lws_issue_raw(wsi, (unsigned char *)buf, len);
+	n = lws_issue_raw(wsi, (unsigned char *)buf, len);
+	if (n < 0)
+		return n;
+
+	/* hide there may have been compression */
+
+	return (int)olen;
 }
 
 static int
@@ -666,12 +773,230 @@ rops_destroy_role_h1(struct lws *wsi)
 		ah = ah->next;
 	}
 
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	lws_http_compression_destroy(wsi);
+#endif
+
 #ifdef LWS_ROLE_WS
 	lws_free_set_NULL(wsi->ws);
 #endif
 	return 0;
 }
 
+#if !defined(LWS_NO_SERVER)
+
+static int
+rops_adoption_bind_h1(struct lws *wsi, int type, const char *vh_prot_name)
+{
+	if (!(type & LWS_ADOPT_HTTP))
+		return 0; /* no match */
+
+
+	if (type & _LWS_ADOPT_FINISH) {
+		if (!lws_header_table_attach(wsi, 0))
+			lwsl_debug("Attached ah immediately\n");
+		else
+			lwsl_info("%s: waiting for ah\n", __func__);
+
+		return 1;
+	}
+
+	lws_role_transition(wsi, LWSIFR_SERVER, (type & LWS_ADOPT_ALLOW_SSL) ?
+			    LRS_SSL_INIT : LRS_HEADERS, &role_ops_h1);
+
+	if (!vh_prot_name)
+		wsi->protocol = &wsi->vhost->protocols[
+					wsi->vhost->default_protocol_index];
+
+	/* the transport is accepted... give him time to negotiate */
+	lws_set_timeout(wsi, PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
+			wsi->context->timeout_secs);
+
+	return 1; /* bound */
+}
+
+#endif
+
+#if !defined(LWS_NO_CLIENT)
+
+static const char * const http_methods[] = {
+	"GET", "POST", "OPTIONS", "PUT", "PATCH", "DELETE", "CONNECT"
+};
+
+static int
+rops_client_bind_h1(struct lws *wsi, const struct lws_client_connect_info *i)
+{
+	int n;
+
+	if (!i) {
+		/* we are finalizing an already-selected role */
+
+		/*
+		 * If we stay in http, assuming there wasn't already-set
+		 * external user_space, since we know our initial protocol
+		 * we can assign the user space now, otherwise do it after the
+		 * ws subprotocol negotiated
+		 */
+		if (!wsi->user_space && wsi->stash->method)
+			if (lws_ensure_user_space(wsi))
+				return 1;
+
+		 /*
+		  * For ws, default to http/1.1 only.  If i->alpn had been set
+		  * though, defer to whatever he has set in there (eg, "h2").
+		  *
+		  * The problem is he has to commit to h2 before he can find
+		  * out if the server has the SETTINGS for ws-over-h2 enabled;
+		  * if not then ws is not possible on that connection.  So we
+		  * only try h2 if he assertively said to use h2 alpn, otherwise
+		  * ws implies alpn restriction to h1.
+		  */
+		if (!wsi->stash->method && !wsi->stash->alpn) {
+			wsi->stash->alpn = lws_strdup("http/1.1");
+			if (!wsi->stash->alpn)
+				return 1;
+		}
+
+		/* if we went on the ah waiting list, it's ok, we can wait.
+		 *
+		 * When we do get the ah, now or later, he will end up at
+		 * lws_http_client_connect_via_info2().
+		 */
+		if (lws_header_table_attach(wsi, 0) < 0)
+			/*
+			 * if we failed here, the connection is already closed
+			 * and freed.
+			 */
+			return -1;
+
+		return 0;
+	}
+
+	/*
+	 * Clients that want to be h1, h2, or ws all start out as h1
+	 * (we don't yet know if the server supports h2 or ws)
+	 */
+
+	if (!i->method) { /* websockets */
+#if defined(LWS_ROLE_WS)
+		if (lws_create_client_ws_object(i, wsi))
+			goto fail_wsi;
+#else
+		lwsl_err("%s: ws role not configured\n", __func__);
+
+		goto fail_wsi;
+#endif
+		goto bind_h1;
+	}
+
+	/* if a recognized http method, bind to it */
+
+	for (n = 0; n < (int)LWS_ARRAY_SIZE(http_methods); n++)
+		if (!strcmp(i->method, http_methods[n]))
+			goto bind_h1;
+
+	/* other roles may bind to it */
+
+	return 0; /* no match */
+
+bind_h1:
+	/* assert the mode and union status (hdr) clearly */
+	lws_role_transition(wsi, LWSIFR_CLIENT, LRS_UNCONNECTED, &role_ops_h1);
+
+	return 1; /* matched */
+
+fail_wsi:
+	return -1;
+}
+#endif
+
+#if 0
+static int
+rops_perform_user_POLLOUT_h1(struct lws *wsi)
+{
+	volatile struct lws *vwsi = (volatile struct lws *)wsi;
+	int n;
+
+	/* priority 1: post compression-transform buffered output */
+
+	if (lws_has_buffered_out(wsi)) {
+		lwsl_debug("%s: completing partial\n", __func__);
+		if (lws_issue_raw(wsi, NULL, 0) < 0) {
+			lwsl_info("%s signalling to close\n", __func__);
+			return -1;
+		}
+		n = 0;
+		vwsi->leave_pollout_active = 1;
+		goto cleanup;
+	}
+
+	/* priority 2: pre compression-transform buffered output */
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more) {
+		enum lws_write_protocol wp = LWS_WRITE_HTTP;
+
+		lwsl_info("%s: completing comp partial"
+			   "(buflist_comp %p, may %d)\n",
+			   __func__, wsi->http.comp_ctx.buflist_comp,
+			    wsi->http.comp_ctx.may_have_more);
+
+		if (rops_write_role_protocol_h1(wsi, NULL, 0, &wp) < 0) {
+			lwsl_info("%s signalling to close\n", __func__);
+			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
+					   "comp write fail");
+		}
+		n = 0;
+		vwsi->leave_pollout_active = 1;
+		goto cleanup;
+	}
+#endif
+
+	/* priority 3: if no buffered out and waiting for that... */
+
+	if (lwsi_state(wsi) == LRS_FLUSHING_BEFORE_CLOSE) {
+		wsi->socket_is_permanently_unusable = 1;
+		return -1;
+	}
+
+	/* priority 4: user writeable callback */
+
+	vwsi = (volatile struct lws *)wsi;
+	vwsi->leave_pollout_active = 0;
+
+	n = lws_callback_as_writeable(wsi);
+
+cleanup:
+	vwsi->handling_pollout = 0;
+
+	if (vwsi->leave_pollout_active)
+		lws_change_pollfd(wsi, 0, LWS_POLLOUT);
+
+	return n;
+}
+#endif
+
+static int
+rops_close_kill_connection_h1(struct lws *wsi, enum lws_close_status reason)
+{
+#if defined(LWS_WITH_HTTP_PROXY)
+	struct lws *wsi_eff = lws_client_wsi_effective(wsi);
+
+	if (!wsi_eff->http.proxy_clientside)
+		return 0;
+
+	wsi_eff->http.proxy_clientside = 0;
+
+	if (user_callback_handle_rxflow(wsi_eff->protocol->callback, wsi_eff,
+					LWS_CALLBACK_COMPLETED_CLIENT_HTTP,
+					wsi_eff->user_space, NULL, 0))
+		return 0;
+#endif
+	return 0;
+}
+
+
 struct lws_role_ops role_ops_h1 = {
 	/* role name */			"h1",
 	/* alpn id */			"http/1.1",
@@ -691,11 +1016,25 @@ struct lws_role_ops role_ops_h1 = {
 	/* alpn_negotiated */		rops_alpn_negotiated_h1,
 	/* close_via_role_protocol */	NULL,
 	/* close_role */		NULL,
-	/* close_kill_connection */	NULL,
+	/* close_kill_connection */	rops_close_kill_connection_h1,
 	/* destroy_role */		rops_destroy_role_h1,
+#if !defined(LWS_NO_SERVER)
+	/* adoption_bind */		rops_adoption_bind_h1,
+#else
+					NULL,
+#endif
+#if !defined(LWS_NO_CLIENT)
+	/* client_bind */		rops_client_bind_h1,
+#else
+					NULL,
+#endif
 	/* writeable cb clnt, srv */	{ LWS_CALLBACK_CLIENT_HTTP_WRITEABLE,
 					  LWS_CALLBACK_HTTP_WRITEABLE },
 	/* close cb clnt, srv */	{ LWS_CALLBACK_CLOSED_CLIENT_HTTP,
 					  LWS_CALLBACK_CLOSED_HTTP },
+	/* protocol_bind cb c, srv */	{ LWS_CALLBACK_CLIENT_HTTP_BIND_PROTOCOL,
+					  LWS_CALLBACK_HTTP_BIND_PROTOCOL },
+	/* protocol_unbind cb c, srv */	{ LWS_CALLBACK_CLIENT_HTTP_DROP_PROTOCOL,
+					  LWS_CALLBACK_HTTP_DROP_PROTOCOL },
 	/* file_handle */		0,
 };
diff --git a/thirdparty/libwebsockets/roles/h1/private.h b/thirdparty/libwebsockets/lib/roles/h1/private.h
index 3f53954d33..3f53954d33 100644
--- a/thirdparty/libwebsockets/roles/h1/private.h
+++ b/thirdparty/libwebsockets/lib/roles/h1/private.h
diff --git a/thirdparty/libwebsockets/roles/http/client/client-handshake.c b/thirdparty/libwebsockets/lib/roles/http/client/client-handshake.c
index 0095c79a69..6b4e98f346 100644
--- a/thirdparty/libwebsockets/roles/http/client/client-handshake.c
+++ b/thirdparty/libwebsockets/lib/roles/http/client/client-handshake.c
@@ -37,9 +37,14 @@ lws_client_connect_2(struct lws *wsi)
 	ssize_t plen = 0;
 #endif
 	struct addrinfo *result;
+#if defined(LWS_WITH_UNIX_SOCK)
+	struct sockaddr_un sau;
+	char unix_skt = 0;
+#endif
 	const char *ads;
 	sockaddr46 sa46;
-	int n, port;
+	const struct sockaddr *psa;
+	int n, port = 0;
 	const char *cce = "", *iface;
 	const char *meth = NULL;
 #ifdef LWS_WITH_IPV6
@@ -126,7 +131,7 @@ lws_client_connect_2(struct lws *wsi)
 			}
 #endif
 
-			lwsl_info("applying %p to txn queue on %p (wsistate 0x%x)\n",
+			lwsl_info("applying %p to txn queue on %p state 0x%x\n",
 				wsi, w, w->wsistate);
 			/*
 			 * ...let's add ourselves to his transaction queue...
@@ -177,12 +182,36 @@ create_new_conn:
 	    lws_dll_is_null(&wsi->dll_client_transaction_queue) &&
 	    lws_dll_is_null(&wsi->dll_active_client_conns)) {
 		lws_vhost_lock(wsi->vhost);
+		/* caution... we will have to unpick this on oom4 path */
 		lws_dll_lws_add_front(&wsi->dll_active_client_conns,
 				      &wsi->vhost->dll_active_client_conns);
 		lws_vhost_unlock(wsi->vhost);
 	}
 
 	/*
+	 * unix socket destination?
+	 */
+
+	ads = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS);
+#if defined(LWS_WITH_UNIX_SOCK)
+	if (*ads == '+') {
+		ads++;
+		memset(&sau, 0, sizeof(sau));
+		sau.sun_family = AF_UNIX;
+		strncpy(sau.sun_path, ads, sizeof(sau.sun_path));
+		sau.sun_path[sizeof(sau.sun_path) - 1] = '\0';
+
+		lwsl_info("%s: Unix skt: %s\n", __func__, ads);
+
+		if (sau.sun_path[0] == '@')
+			sau.sun_path[0] = '\0';
+
+		unix_skt = 1;
+		goto ads_known;
+	}
+#endif
+
+	/*
 	 * start off allowing ipv6 on connection if vhost allows it
 	 */
 	wsi->ipv6 = LWS_IPV6_ENABLED(wsi->vhost);
@@ -241,10 +270,9 @@ create_new_conn:
 
 #ifdef LWS_WITH_IPV6
 	if (wsi->ipv6) {
-		struct sockaddr_in6 *sa6 =
-				((struct sockaddr_in6 *)result->ai_addr);
+		struct sockaddr_in6 *sa6;
 
-		if (n) {
+		if (n || !result) {
 			/* lws_getaddrinfo46 failed, there is no usable result */
 			lwsl_notice("%s: lws_getaddrinfo46 failed %d\n",
 					__func__, n);
@@ -252,6 +280,8 @@ create_new_conn:
 			goto oom4;
 		}
 
+		sa6 = ((struct sockaddr_in6 *)result->ai_addr);
+
 		memset(&sa46, 0, sizeof(sa46));
 
 		sa46.sa6.sin6_family = AF_INET6;
@@ -307,7 +337,7 @@ create_new_conn:
 		} else if (n == EAI_SYSTEM) {
 			struct hostent *host;
 
-			lwsl_info("getaddrinfo (ipv4) failed, trying gethostbyname\n");
+			lwsl_info("ipv4 getaddrinfo err, try gethostbyname\n");
 			host = gethostbyname(ads);
 			if (host) {
 				p = host->h_addr;
@@ -318,7 +348,7 @@ create_new_conn:
 			}
 #endif
 		} else {
-			lwsl_err("getaddrinfo failed\n");
+			lwsl_err("getaddrinfo failed: %d\n", n);
 			cce = "getaddrinfo failed";
 			goto oom4;
 		}
@@ -339,6 +369,10 @@ create_new_conn:
 	if (result)
 		freeaddrinfo(result);
 
+#if defined(LWS_WITH_UNIX_SOCK)
+ads_known:
+#endif
+
 	/* now we decided on ipv4 or ipv6, set the port */
 
 	if (!lws_socket_is_valid(wsi->desc.sockfd)) {
@@ -349,12 +383,21 @@ create_new_conn:
 			goto oom4;
 		}
 
+#if defined(LWS_WITH_UNIX_SOCK)
+		if (unix_skt) {
+			wsi->unix_skt = 1;
+			wsi->desc.sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+		} else
+#endif
+		{
+
 #ifdef LWS_WITH_IPV6
 		if (wsi->ipv6)
 			wsi->desc.sockfd = socket(AF_INET6, SOCK_STREAM, 0);
 		else
 #endif
 			wsi->desc.sockfd = socket(AF_INET, SOCK_STREAM, 0);
+		}
 
 		if (!lws_socket_is_valid(wsi->desc.sockfd)) {
 			lwsl_warn("Unable to open socket\n");
@@ -362,7 +405,12 @@ create_new_conn:
 			goto oom4;
 		}
 
-		if (lws_plat_set_socket_options(wsi->vhost, wsi->desc.sockfd)) {
+		if (lws_plat_set_socket_options(wsi->vhost, wsi->desc.sockfd,
+#if defined(LWS_WITH_UNIX_SOCK)
+						unix_skt)) {
+#else
+						0)) {
+#endif
 			lwsl_err("Failed to set wsi socket options\n");
 			compatible_close(wsi->desc.sockfd);
 			cce = "set socket opts failed";
@@ -372,7 +420,11 @@ create_new_conn:
 		lwsi_set_state(wsi, LRS_WAITING_CONNECT);
 
 		if (wsi->context->event_loop_ops->accept)
-			wsi->context->event_loop_ops->accept(wsi);
+			if (wsi->context->event_loop_ops->accept(wsi)) {
+				compatible_close(wsi->desc.sockfd);
+				cce = "event loop accept failed";
+				goto oom4;
+			}
 
 		if (__insert_wsi_socket_into_fds(wsi->context, wsi)) {
 			compatible_close(wsi->desc.sockfd);
@@ -399,7 +451,8 @@ create_new_conn:
 		iface = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_IFACE);
 
 		if (iface) {
-			n = lws_socket_bind(wsi->vhost, wsi->desc.sockfd, 0, iface);
+			n = lws_socket_bind(wsi->vhost, wsi->desc.sockfd, 0,
+					    iface);
 			if (n < 0) {
 				cce = "unable to bind socket";
 				goto failed;
@@ -407,18 +460,29 @@ create_new_conn:
 		}
 	}
 
-#ifdef LWS_WITH_IPV6
-	if (wsi->ipv6) {
-		sa46.sa6.sin6_port = htons(port);
-		n = sizeof(struct sockaddr_in6);
+#if defined(LWS_WITH_UNIX_SOCK)
+	if (unix_skt) {
+		psa = (const struct sockaddr *)&sau;
+		n = sizeof(sau);
 	} else
 #endif
+
 	{
-		sa46.sa4.sin_port = htons(port);
-		n = sizeof(struct sockaddr);
+#ifdef LWS_WITH_IPV6
+		if (wsi->ipv6) {
+			sa46.sa6.sin6_port = htons(port);
+			n = sizeof(struct sockaddr_in6);
+			psa = (const struct sockaddr *)&sa46;
+		} else
+#endif
+		{
+			sa46.sa4.sin_port = htons(port);
+			n = sizeof(struct sockaddr);
+			psa = (const struct sockaddr *)&sa46;
+		}
 	}
 
-	if (connect(wsi->desc.sockfd, (const struct sockaddr *)&sa46, n) == -1 ||
+	if (connect(wsi->desc.sockfd, (const struct sockaddr *)psa, n) == -1 ||
 	    LWS_ERRNO == LWS_EISCONN) {
 		if (LWS_ERRNO == LWS_EALREADY ||
 		    LWS_ERRNO == LWS_EINPROGRESS ||
@@ -500,7 +564,8 @@ create_new_conn:
 			goto failed;
 		}
 
-		lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_SOCKS_GREETING_REPLY,
+		lws_set_timeout(wsi,
+				PENDING_TIMEOUT_AWAITING_SOCKS_GREETING_REPLY,
 				AWAITING_TIMEOUT);
 
 		lwsi_set_state(wsi, LRS_WAITING_SOCKS_GREETING_REPLY);
@@ -531,7 +596,7 @@ send_hs:
 		 * wait in the queue until it's possible to send them.
 		 */
 		lws_callback_on_writable(wsi_piggyback);
-		lwsl_info("%s: wsi %p: waiting to send headers (parent state %x)\n",
+		lwsl_info("%s: wsi %p: waiting to send hdrs (par state 0x%x)\n",
 			    __func__, wsi, lwsi_state(wsi_piggyback));
 	} else {
 		lwsl_info("%s: wsi %p: client creating own connection\n",
@@ -570,7 +635,7 @@ send_hs:
 	return wsi;
 
 oom4:
-	if (lwsi_role_client(wsi) && lwsi_state_est(wsi)) {
+	if (lwsi_role_client(wsi) /* && lwsi_state_est(wsi) */) {
 		wsi->protocol->callback(wsi,
 			LWS_CALLBACK_CLIENT_CONNECTION_ERROR,
 			wsi->user_space, (void *)cce, strlen(cce));
@@ -579,13 +644,21 @@ oom4:
 	/* take care that we might be inserted in fds already */
 	if (wsi->position_in_fds_table != LWS_NO_FDS_POS)
 		goto failed1;
-	lws_remove_from_timeout_list(wsi);
-#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
-	lws_header_table_detach(wsi, 0);
-#endif
-	lws_client_stash_destroy(wsi);
-	lws_free_set_NULL(wsi->client_hostname_copy);
-	lws_free(wsi);
+
+	/*
+	 * We can't be an active client connection any more, if we thought
+	 * that was what we were going to be doing.  It should be if we are
+	 * failing by oom4 path, we are still called by
+	 * lws_client_connect_via_info() and will be returning NULL to that,
+	 * so nobody else should have had a chance to queue on us.
+	 */
+	{
+		struct lws_vhost *vhost = wsi->vhost;
+
+		lws_vhost_lock(vhost);
+		__lws_free_wsi(wsi);
+		lws_vhost_unlock(vhost);
+	}
 
 	return NULL;
 
@@ -603,7 +676,8 @@ failed1:
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 
 /**
- * lws_client_reset() - retarget a connected wsi to start over with a new connection (ie, redirect)
+ * lws_client_reset() - retarget a connected wsi to start over with a new
+ * 			connection (ie, redirect)
  *			this only works if still in HTTP, ie, not upgraded yet
  * wsi:		connection to reset
  * address:	network address of the new server
@@ -716,7 +790,7 @@ lws_client_reset(struct lws **pwsi, int ssl, const char *address, int port,
 	return *pwsi;
 }
 
-#ifdef LWS_WITH_HTTP_PROXY
+#if defined(LWS_WITH_HTTP_PROXY) && defined(LWS_WITH_HUBBUB)
 hubbub_error
 html_parser_cb(const hubbub_token *token, void *pw)
 {
@@ -846,252 +920,8 @@ html_parser_cb(const hubbub_token *token, void *pw)
 
 #endif
 
-char *
-lws_strdup(const char *s)
-{
-	char *d = lws_malloc(strlen(s) + 1, "strdup");
-
-	if (d)
-		strcpy(d, s);
-
-	return d;
-}
-
-void
-lws_client_stash_destroy(struct lws *wsi)
-{
-	if (!wsi || !wsi->stash)
-		return;
-
-	lws_free_set_NULL(wsi->stash->address);
-	lws_free_set_NULL(wsi->stash->path);
-	lws_free_set_NULL(wsi->stash->host);
-	lws_free_set_NULL(wsi->stash->origin);
-	lws_free_set_NULL(wsi->stash->protocol);
-	lws_free_set_NULL(wsi->stash->method);
-	lws_free_set_NULL(wsi->stash->iface);
-	lws_free_set_NULL(wsi->stash->alpn);
-
-	lws_free_set_NULL(wsi->stash);
-}
-
-LWS_VISIBLE struct lws *
-lws_client_connect_via_info(struct lws_client_connect_info *i)
-{
-	struct lws *wsi;
-	const struct lws_protocols *p;
-	const char *local = i->protocol;
-
-	if (i->context->requested_kill)
-		return NULL;
-
-	if (!i->context->protocol_init_done)
-		lws_protocol_init(i->context);
-	/*
-	 * If we have .local_protocol_name, use it to select the
-	 * local protocol handler to bind to.  Otherwise use .protocol if
-	 * http[s].
-	 */
-	if (i->local_protocol_name)
-		local = i->local_protocol_name;
-
-	wsi = lws_zalloc(sizeof(struct lws), "client wsi");
-	if (wsi == NULL)
-		goto bail;
-
-	wsi->context = i->context;
-#if defined(LWS_ROLE_H1)
-	/* assert the mode and union status (hdr) clearly */
-	lws_role_transition(wsi, LWSIFR_CLIENT, LRS_UNCONNECTED, &role_ops_h1);
-#else
-	lws_role_transition(wsi, LWSIFR_CLIENT, LRS_UNCONNECTED, &role_ops_raw_skt);
-#endif
-	wsi->desc.sockfd = LWS_SOCK_INVALID;
-
-	/* 1) fill up the wsi with stuff from the connect_info as far as it
-	 * can go.  It's because not only is our connection async, we might
-	 * not even be able to get ahold of an ah at this point.
-	 */
-
-	if (!i->method) /* ie, ws */
-#if defined(LWS_ROLE_WS)
-		if (lws_create_client_ws_object(i, wsi))
-			return NULL;
-#else
-		return NULL;
-#endif
-
-	wsi->user_space = NULL;
-	wsi->pending_timeout = NO_PENDING_TIMEOUT;
-	wsi->position_in_fds_table = LWS_NO_FDS_POS;
-	wsi->c_port = i->port;
-	wsi->vhost = i->vhost;
-	if (!wsi->vhost)
-		wsi->vhost = i->context->vhost_list;
-
-	if (!wsi->vhost) {
-		lwsl_err("At least one vhost in the context is required\n");
-
-		goto bail;
-	}
-
-	wsi->protocol = &wsi->vhost->protocols[0];
-	wsi->client_pipeline = !!(i->ssl_connection & LCCSCF_PIPELINE);
-
-	/* reasonable place to start */
-	lws_role_transition(wsi, LWSIFR_CLIENT, LRS_UNCONNECTED,
-#if defined(LWS_ROLE_H1)
-			&role_ops_h1);
-#else
-	&role_ops_raw_skt);
-#endif
-
-	/*
-	 * 1) for http[s] connection, allow protocol selection by name
-	 * 2) for ws[s], if local_protocol_name given also use it for
-	 *    local protocol binding... this defeats the server
-	 *    protocol negotiation if so
-	 *
-	 * Otherwise leave at protocols[0]... the server will tell us
-	 * which protocol we are associated with since we can give it a
-	 * list.
-	 */
-	if (/*(i->method || i->local_protocol_name) && */local) {
-		lwsl_info("binding to %s\n", local);
-		p = lws_vhost_name_to_protocol(wsi->vhost, local);
-		if (p)
-			wsi->protocol = p;
-	}
-
-	if (wsi && !wsi->user_space && i->userdata) {
-		wsi->user_space_externally_allocated = 1;
-		wsi->user_space = i->userdata;
-	} else
-		/* if we stay in http, we can assign the user space now,
-		 * otherwise do it after the protocol negotiated
-		 */
-		if (i->method)
-			if (lws_ensure_user_space(wsi))
-				goto bail;
-
-#if defined(LWS_WITH_TLS)
-	wsi->tls.use_ssl = i->ssl_connection;
-#else
-	if (i->ssl_connection & LCCSCF_USE_SSL) {
-		lwsl_err("libwebsockets not configured for ssl\n");
-		goto bail;
-	}
-#endif
-
-	/* 2) stash the things from connect_info that we can't process without
-	 * an ah.  Because if no ah, we will go on the ah waiting list and
-	 * process those things later (after the connect_info and maybe the
-	 * things pointed to have gone out of scope.
-	 */
-
-	wsi->stash = lws_zalloc(sizeof(*wsi->stash), "client stash");
-	if (!wsi->stash) {
-		lwsl_err("%s: OOM\n", __func__);
-		goto bail1;
-	}
-
-	wsi->stash->address = lws_strdup(i->address);
-	wsi->stash->path = lws_strdup(i->path);
-	wsi->stash->host = lws_strdup(i->host);
-
-	if (!wsi->stash->address || !wsi->stash->path || !wsi->stash->host)
-		goto bail1;
-
-	if (i->origin) {
-		wsi->stash->origin = lws_strdup(i->origin);
-		if (!wsi->stash->origin)
-			goto bail1;
-	}
-	if (i->protocol) {
-		wsi->stash->protocol = lws_strdup(i->protocol);
-		if (!wsi->stash->protocol)
-			goto bail1;
-	}
-	if (i->method) {
-		wsi->stash->method = lws_strdup(i->method);
-		if (!wsi->stash->method)
-			goto bail1;
-	}
-	if (i->iface) {
-		wsi->stash->iface = lws_strdup(i->iface);
-		if (!wsi->stash->iface)
-			goto bail1;
-	}
-	 /*
-	  * For ws, default to http/1.1 only.  If i->alpn is set, defer to
-	  * whatever he has set in there (eg, "h2").
-	  *
-	  * The problem is he has to commit to h2 before he can find out if the
-	  * server has the SETTINGS for ws-over-h2 enabled; if not then ws is
-	  * not possible on that connection.  So we only try it if he
-	  * assertively said to use h2 alpn.
-	  */
-	if (!i->method && !i->alpn) {
-		wsi->stash->alpn = lws_strdup("http/1.1");
-		if (!wsi->stash->alpn)
-			goto bail1;
-	} else
-		if (i->alpn) {
-			wsi->stash->alpn = lws_strdup(i->alpn);
-			if (!wsi->stash->alpn)
-				goto bail1;
-		}
-
-	if (i->pwsi)
-		*i->pwsi = wsi;
-
-#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
-	/* if we went on the waiting list, no probs just return the wsi
-	 * when we get the ah, now or later, he will call
-	 * lws_client_connect_via_info2() below.
-	 */
-	if (lws_header_table_attach(wsi, 0) < 0) {
-		/*
-		 * if we failed here, the connection is already closed
-		 * and freed.
-		 */
-		goto bail2;
-	}
-
-#endif
-
-	if (i->parent_wsi) {
-		lwsl_info("%s: created child %p of parent %p\n", __func__,
-				wsi, i->parent_wsi);
-		wsi->parent = i->parent_wsi;
-		wsi->sibling_list = i->parent_wsi->child_list;
-		i->parent_wsi->child_list = wsi;
-	}
-#ifdef LWS_WITH_HTTP_PROXY
-	if (i->uri_replace_to)
-		wsi->http.rw = lws_rewrite_create(wsi, html_parser_cb,
-					     i->uri_replace_from,
-					     i->uri_replace_to);
-#endif
-
-	return wsi;
-
-bail1:
-	lws_client_stash_destroy(wsi);
-
-bail:
-	lws_free(wsi);
-#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
-bail2:
-#endif
-	if (i->pwsi)
-		*i->pwsi = NULL;
-
-	return NULL;
-}
-
 struct lws *
-lws_client_connect_via_info2(struct lws *wsi)
+lws_http_client_connect_via_info2(struct lws *wsi)
 {
 	struct client_info_stash *stash = wsi->stash;
 
@@ -1156,55 +986,6 @@ bail1:
 	return NULL;
 }
 
-LWS_VISIBLE struct lws *
-lws_client_connect_extended(struct lws_context *context, const char *address,
-			    int port, int ssl_connection, const char *path,
-			    const char *host, const char *origin,
-			    const char *protocol, int ietf_version_or_minus_one,
-			    void *userdata)
-{
-	struct lws_client_connect_info i;
-
-	memset(&i, 0, sizeof(i));
-
-	i.context = context;
-	i.address = address;
-	i.port = port;
-	i.ssl_connection = ssl_connection;
-	i.path = path;
-	i.host = host;
-	i.origin = origin;
-	i.protocol = protocol;
-	i.ietf_version_or_minus_one = ietf_version_or_minus_one;
-	i.userdata = userdata;
-
-	return lws_client_connect_via_info(&i);
-}
-
-LWS_VISIBLE struct lws *
-lws_client_connect(struct lws_context *context, const char *address,
-			    int port, int ssl_connection, const char *path,
-			    const char *host, const char *origin,
-			    const char *protocol, int ietf_version_or_minus_one)
-{
-	struct lws_client_connect_info i;
-
-	memset(&i, 0, sizeof(i));
-
-	i.context = context;
-	i.address = address;
-	i.port = port;
-	i.ssl_connection = ssl_connection;
-	i.path = path;
-	i.host = host;
-	i.origin = origin;
-	i.protocol = protocol;
-	i.ietf_version_or_minus_one = ietf_version_or_minus_one;
-	i.userdata = NULL;
-
-	return lws_client_connect_via_info(&i);
-}
-
 #if defined(LWS_WITH_SOCKS5)
 void socks_generate_msg(struct lws *wsi, enum socks_msg_type type,
 			ssize_t *msg_len)
@@ -1242,8 +1023,9 @@ void socks_generate_msg(struct lws *wsi, enum socks_msg_type type,
 		/* length of the password */
 		pt->serv_buf[len++] = passwd_len;
 		/* password */
-		lws_strncpy((char *)&pt->serv_buf[len], wsi->vhost->socks_password,
-			context->pt_serv_buf_size - len + 1);
+		lws_strncpy((char *)&pt->serv_buf[len],
+			    wsi->vhost->socks_password,
+			    context->pt_serv_buf_size - len + 1);
 		len += passwd_len;
 		break;
 
diff --git a/thirdparty/libwebsockets/roles/http/client/client.c b/thirdparty/libwebsockets/lib/roles/http/client/client.c
index 5645fa2b7a..1d6f13dcf8 100644
--- a/thirdparty/libwebsockets/roles/http/client/client.c
+++ b/thirdparty/libwebsockets/lib/roles/http/client/client.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets - lib/client/client.c
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -48,7 +48,7 @@ lws_client_wsi_effective(struct lws *wsi)
 	} lws_end_foreach_dll_safe(d, d1);
 
 	return lws_container_of(tail, struct lws,
-				  dll_client_transaction_queue);
+				dll_client_transaction_queue);
 }
 
 /*
@@ -66,7 +66,7 @@ _lws_client_wsi_master(struct lws *wsi)
 	d = wsi->dll_client_transaction_queue.prev;
 	while (d) {
 		wsi_eff = lws_container_of(d, struct lws,
-					dll_client_transaction_queue_head);
+					   dll_client_transaction_queue_head);
 
 		d = d->prev;
 	}
@@ -111,11 +111,12 @@ lws_client_socket_service(struct lws *wsi, struct lws_pollfd *pollfd,
 		 */
 		lws_vhost_lock(wsi->vhost);
 		lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
-					   wsi->dll_client_transaction_queue_head.next) {
+				  wsi->dll_client_transaction_queue_head.next) {
 			struct lws *w = lws_container_of(d, struct lws,
 						  dll_client_transaction_queue);
 
-			lwsl_debug("%s: %p states 0x%x\n", __func__, w, w->wsistate);
+			lwsl_debug("%s: %p states 0x%x\n", __func__, w,
+				   w->wsistate);
 			if (lwsi_state(w) == LRS_H1C_ISSUE_HANDSHAKE2)
 				wfound = w;
 		} lws_end_foreach_dll_safe(d, d1);
@@ -208,7 +209,8 @@ lws_client_socket_service(struct lws *wsi, struct lws_pollfd *pollfd,
 
 		case LRS_WAITING_SOCKS_AUTH_REPLY:
 			if (pt->serv_buf[0] != SOCKS_SUBNEGOTIATION_VERSION_1 ||
-			    pt->serv_buf[1] != SOCKS_SUBNEGOTIATION_STATUS_SUCCESS)
+			    pt->serv_buf[1] !=
+					    SOCKS_SUBNEGOTIATION_STATUS_SUCCESS)
 				goto socks_reply_fail;
 
 			lwsl_client("SOCKS password OK, sending connect\n");
@@ -243,8 +245,8 @@ socks_reply_fail:
 			/* free stash since we are done with it */
 			lws_client_stash_destroy(wsi);
 			if (lws_hdr_simple_create(wsi,
-						  _WSI_TOKEN_CLIENT_PEER_ADDRESS,
-						  wsi->vhost->socks_proxy_address))
+						 _WSI_TOKEN_CLIENT_PEER_ADDRESS,
+					       wsi->vhost->socks_proxy_address))
 				goto bail3;
 
 			wsi->c_port = wsi->vhost->socks_proxy_port;
@@ -352,7 +354,9 @@ start_ws_handshake:
 			 * So this is it, we are an h2 master client connection
 			 * now, not an h1 client connection.
 			 */
+#if defined (LWS_WITH_TLS)
 			lws_tls_server_conn_alpn(wsi);
+#endif
 
 			/* send the H2 preface to legitimize the connection */
 			if (lws_h2_issue_preface(wsi)) {
@@ -377,7 +381,8 @@ start_ws_handshake:
 				return 0;
 
 			lwsl_err("Failed to generate handshake for client\n");
-			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "chs");
+			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
+					   "chs");
 			return 0;
 		}
 
@@ -385,8 +390,9 @@ start_ws_handshake:
 		lws_latency_pre(context, wsi);
 
 		w = _lws_client_wsi_master(wsi);
-		lwsl_info("%s: HANDSHAKE2: %p: sending headers on %p (wsistate 0x%x 0x%x)\n",
-				__func__, wsi, w, wsi->wsistate, w->wsistate);
+		lwsl_info("%s: HANDSHAKE2: %p: sending headers on %p "
+			  "(wsistate 0x%x 0x%x)\n", __func__, wsi, w,
+			  wsi->wsistate, w->wsistate);
 
 		n = lws_ssl_capable_write(w, (unsigned char *)sb, (int)(p - sb));
 		lws_latency(context, wsi, "send lws_issue_raw", n,
@@ -394,7 +400,8 @@ start_ws_handshake:
 		switch (n) {
 		case LWS_SSL_CAPABLE_ERROR:
 			lwsl_debug("ERROR writing to client socket\n");
-			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "cws");
+			lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
+					   "cws");
 			return 0;
 		case LWS_SSL_CAPABLE_MORE_SERVICE:
 			lws_callback_on_writable(wsi);
@@ -419,7 +426,7 @@ start_ws_handshake:
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
 			w->http.ah->parser_state = WSI_TOKEN_NAME_PART;
 			w->http.ah->lextable_pos = 0;
-			/* If we're (re)starting on headers, need other implied init */
+			/* If we're (re)starting on hdr, need other implied init */
 			wsi->http.ah->ues = URIES_IDLE;
 #endif
 		}
@@ -549,11 +556,12 @@ lws_http_transaction_completed_client(struct lws *wsi)
 {
 	struct lws *wsi_eff = lws_client_wsi_effective(wsi);
 
-	lwsl_info("%s: wsi: %p, wsi_eff: %p\n", __func__, wsi, wsi_eff);
+	lwsl_info("%s: wsi: %p, wsi_eff: %p (%s)\n", __func__, wsi, wsi_eff,
+		    wsi_eff->protocol->name);
 
-	if (user_callback_handle_rxflow(wsi_eff->protocol->callback,
-			wsi_eff, LWS_CALLBACK_COMPLETED_CLIENT_HTTP,
-			wsi_eff->user_space, NULL, 0)) {
+	if (user_callback_handle_rxflow(wsi_eff->protocol->callback, wsi_eff,
+					LWS_CALLBACK_COMPLETED_CLIENT_HTTP,
+					wsi_eff->user_space, NULL, 0)) {
 		lwsl_debug("%s: Completed call returned nonzero (role 0x%x)\n",
 						__func__, lwsi_role(wsi_eff));
 		return -1;
@@ -626,7 +634,8 @@ lws_http_transaction_completed_client(struct lws *wsi)
 	/* If we're (re)starting on headers, need other implied init */
 	wsi->http.ah->ues = URIES_IDLE;
 
-	lwsl_info("%s: %p: new queued transaction as %p\n", __func__, wsi, wsi_eff);
+	lwsl_info("%s: %p: new queued transaction as %p\n", __func__, wsi,
+		  wsi_eff);
 	lws_callback_on_writable(wsi);
 
 	return 0;
@@ -672,7 +681,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 	int n, port = 0, ssl = 0;
 	int close_reason = LWS_CLOSE_STATUS_PROTOCOL_ERR;
 	const char *prot, *ads = NULL, *path, *cce = NULL;
-	struct allocated_headers *ah = NULL;
+	struct allocated_headers *ah;
 	struct lws *w = lws_client_wsi_effective(wsi);
 	char *p, *q;
 	char new_path[300];
@@ -685,7 +694,8 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 		 */
 #if defined(LWS_ROLE_H2)
 		if (wsi->client_h2_alpn || wsi->client_h2_substream) {
-			lwsl_debug("%s: %p: transitioning to h2 client\n", __func__, wsi);
+			lwsl_debug("%s: %p: transitioning to h2 client\n",
+				   __func__, wsi);
 			lws_role_transition(wsi, LWSIFR_CLIENT,
 					    LRS_ESTABLISHED, &role_ops_h2);
 		} else
@@ -693,7 +703,8 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 		{
 #if defined(LWS_ROLE_H1)
 			{
-			lwsl_debug("%s: %p: transitioning to h1 client\n", __func__, wsi);
+			lwsl_debug("%s: %p: transitioning to h1 client\n",
+				   __func__, wsi);
 			lws_role_transition(wsi, LWSIFR_CLIENT,
 					    LRS_ESTABLISHED, &role_ops_h1);
 			}
@@ -719,7 +730,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 	 * set-cookie:.test=LWS_1456736240_336776_COOKIE;Max-Age=360000
 	 */
 
-	wsi->http.connection_type = HTTP_CONNECTION_KEEP_ALIVE;
+	wsi->http.conn_type = HTTP_CONNECTION_KEEP_ALIVE;
 	if (!wsi->client_h2_substream) {
 		p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP);
 		if (wsi->do_ws && !p) {
@@ -729,7 +740,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 		}
 		if (!p) {
 			p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP1_0);
-			wsi->http.connection_type = HTTP_CONNECTION_CLOSE;
+			wsi->http.conn_type = HTTP_CONNECTION_CLOSE;
 		}
 		if (!p) {
 			cce = "HS: URI missing";
@@ -826,8 +837,9 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 
 		/* if h1 KA is allowed, enable the queued pipeline guys */
 
-		if (!wsi->client_h2_alpn && !wsi->client_h2_substream && w == wsi) { /* ie, coming to this for the first time */
-			if (wsi->http.connection_type == HTTP_CONNECTION_KEEP_ALIVE)
+		if (!wsi->client_h2_alpn && !wsi->client_h2_substream &&
+		    w == wsi) { /* ie, coming to this for the first time */
+			if (wsi->http.conn_type == HTTP_CONNECTION_KEEP_ALIVE)
 				wsi->keepalive_active = 1;
 			else {
 				/*
@@ -847,13 +859,16 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 				wsi->keepalive_rejected = 1;
 
 				lws_vhost_lock(wsi->vhost);
-				lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
-							   wsi->dll_client_transaction_queue_head.next) {
-					struct lws *ww = lws_container_of(d, struct lws,
-								  dll_client_transaction_queue);
+				lws_start_foreach_dll_safe(struct lws_dll_lws *,
+							   d, d1,
+				  wsi->dll_client_transaction_queue_head.next) {
+					struct lws *ww = lws_container_of(d,
+						struct lws,
+						dll_client_transaction_queue);
 
 					/* remove him from our queue */
-					lws_dll_lws_remove(&ww->dll_client_transaction_queue);
+					lws_dll_lws_remove(
+					     &ww->dll_client_transaction_queue);
 					/* give up on pipelining */
 					ww->client_pipeline = 0;
 
@@ -881,7 +896,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 			if (!strncmp(lws_hdr_simple_ptr(wsi,
 						WSI_TOKEN_HTTP_CONTENT_TYPE),
 						"text/html", 9))
-				wsi->http.perform_rewrite = 1;
+				wsi->http.perform_rewrite = 0;
 		}
 #endif
 
@@ -915,8 +930,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 					wsi->http.rx_content_length;
 		} else /* can't do 1.1 without a content length or chunked */
 			if (!wsi->chunked)
-				wsi->http.connection_type =
-							HTTP_CONNECTION_CLOSE;
+				wsi->http.conn_type = HTTP_CONNECTION_CLOSE;
 
 		/*
 		 * we seem to be good to go, give client last chance to check
@@ -954,6 +968,15 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 
 		lwsl_info("%s: client connection up\n", __func__);
 
+		/*
+		 * Did we get a response from the server with an explicit
+		 * content-length of zero?  If so, this transaction is already
+		 * completed at the end of the header processing...
+		 */
+		if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH) &&
+		    !wsi->http.rx_content_length)
+		        return !!lws_http_transaction_completed_client(wsi);
+
 		return 0;
 	}
 
@@ -983,7 +1006,9 @@ bail2:
 	}
 	wsi->already_did_cce = 1;
 
-	lwsl_info("closing connection due to bail2 connection error\n");
+	lwsl_info("closing connection (prot %s) "
+		  "due to bail2 connection error: %s\n", wsi->protocol ?
+				  wsi->protocol->name : "unknown", cce);
 
 	/* closing will free up his parsing allocations */
 	lws_close_free_wsi(wsi, close_reason, "c hs interp");
@@ -1023,7 +1048,7 @@ lws_generate_client_handshake(struct lws *wsi, char *pkt)
 				return NULL;
 			}
 
-			lws_bind_protocol(wsi, pr);
+			lws_bind_protocol(wsi, pr, __func__);
 		}
 
 		if ((wsi->protocol->callback)(wsi, LWS_CALLBACK_RAW_ADOPT,
@@ -1070,16 +1095,22 @@ lws_generate_client_handshake(struct lws *wsi, char *pkt)
 						     _WSI_TOKEN_CLIENT_ORIGIN));
 	}
 #if defined(LWS_ROLE_WS)
-	if (wsi->do_ws)
-		p = lws_generate_client_ws_handshake(wsi, p);
+	if (wsi->do_ws) {
+		const char *conn1 = "";
+		if (!wsi->client_pipeline)
+			conn1 = "close, ";
+		p = lws_generate_client_ws_handshake(wsi, p, conn1);
+	} else
 #endif
+		if (!wsi->client_pipeline)
+			p += sprintf(p, "connection: close\x0d\x0a");
 
 	/* give userland a chance to append, eg, cookies */
 
 	if (wsi->protocol->callback(wsi,
-				LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER,
-				wsi->user_space, &p,
-				(pkt + wsi->context->pt_serv_buf_size) - p - 12))
+			LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER,
+			wsi->user_space, &p,
+			(pkt + wsi->context->pt_serv_buf_size) - p - 12))
 		return NULL;
 
 	p += sprintf(p, "\x0d\x0a");
@@ -1103,14 +1134,11 @@ lws_http_client_read(struct lws *wsi, char **buf, int *len)
 	lws_change_pollfd(wsi, 0, LWS_POLLIN);
 
 	if (rlen == LWS_SSL_CAPABLE_ERROR) {
-		lwsl_notice("%s: SSL capable error\n", __func__);
+		lwsl_debug("%s: SSL capable error\n", __func__);
 		return -1;
 	}
 
-	if (rlen == 0)
-		return -1;
-
-	if (rlen < 0)
+	if (rlen <= 0)
 		return 0;
 
 	*len = rlen;
@@ -1130,7 +1158,7 @@ spin_chunks:
 			}
 			n = char_to_hex((*buf)[0]);
 			if (n < 0) {
-				lwsl_debug("chunking failure\n");
+				lwsl_info("%s: chunking failure\n", __func__);
 				return -1;
 			}
 			wsi->chunk_remaining <<= 4;
@@ -1138,7 +1166,7 @@ spin_chunks:
 			break;
 		case ELCP_CR:
 			if ((*buf)[0] != '\x0a') {
-				lwsl_debug("chunking failure\n");
+				lwsl_info("%s: chunking failure\n", __func__);
 				return -1;
 			}
 			wsi->chunk_parser = ELCP_CONTENT;
@@ -1153,7 +1181,7 @@ spin_chunks:
 
 		case ELCP_POST_CR:
 			if ((*buf)[0] != '\x0d') {
-				lwsl_debug("chunking failure\n");
+				lwsl_info("%s: chunking failure\n", __func__);
 
 				return -1;
 			}
@@ -1162,8 +1190,11 @@ spin_chunks:
 			break;
 
 		case ELCP_POST_LF:
-			if ((*buf)[0] != '\x0a')
+			if ((*buf)[0] != '\x0a') {
+				lwsl_info("%s: chunking failure\n", __func__);
+
 				return -1;
+			}
 
 			wsi->chunk_parser = ELCP_HEX;
 			wsi->chunk_remaining = 0;
@@ -1186,7 +1217,7 @@ spin_chunks:
 	    wsi->chunk_remaining < n)
 		n = wsi->chunk_remaining;
 
-#ifdef LWS_WITH_HTTP_PROXY
+#if defined(LWS_WITH_HTTP_PROXY) && defined(LWS_WITH_HUBBUB)
 	/* hubbub */
 	if (wsi->http.perform_rewrite)
 		lws_rewrite_parse(wsi->http.rw, (unsigned char *)*buf, n);
@@ -1198,7 +1229,7 @@ spin_chunks:
 		if (user_callback_handle_rxflow(wsi_eff->protocol->callback,
 				wsi_eff, LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ,
 				wsi_eff->user_space, *buf, n)) {
-			lwsl_debug("%s: RECEIVE_CLIENT_HTTP_READ returned -1\n",
+			lwsl_info("%s: RECEIVE_CLIENT_HTTP_READ returned -1\n",
 				   __func__);
 
 			return -1;
diff --git a/thirdparty/libwebsockets/roles/http/header.c b/thirdparty/libwebsockets/lib/roles/http/header.c
index dbcf27cbd1..448c5a8b5c 100644
--- a/thirdparty/libwebsockets/roles/http/header.c
+++ b/thirdparty/libwebsockets/lib/roles/http/header.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets - small server side websockets and web server implementation
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -116,9 +116,10 @@ lws_add_http_header_by_token(struct lws *wsi, enum lws_token_indexes token,
 	return lws_add_http_header_by_name(wsi, name, value, length, p, end);
 }
 
-int lws_add_http_header_content_length(struct lws *wsi,
-				       lws_filepos_t content_length,
-				       unsigned char **p, unsigned char *end)
+int
+lws_add_http_header_content_length(struct lws *wsi,
+				   lws_filepos_t content_length,
+				   unsigned char **p, unsigned char *end)
 {
 	char b[24];
 	int n;
@@ -141,6 +142,10 @@ lws_add_http_common_headers(struct lws *wsi, unsigned int code,
 			    const char *content_type, lws_filepos_t content_len,
 			    unsigned char **p, unsigned char *end)
 {
+	const char *ka[] = { "close", "keep-alive" };
+	int types[] = { HTTP_CONNECTION_CLOSE, HTTP_CONNECTION_KEEP_ALIVE },
+			t = 0;
+
 	if (lws_add_http_header_status(wsi, code, p, end))
 		return 1;
 
@@ -149,22 +154,67 @@ lws_add_http_common_headers(struct lws *wsi, unsigned int code,
 		    			(int)strlen(content_type), p, end))
 		return 1;
 
-	if (content_len != LWS_ILLEGAL_HTTP_CONTENT_LEN) {
-		if (lws_add_http_header_content_length(wsi, content_len, p, end))
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (!wsi->http.lcs &&
+	    (!strncmp(content_type, "text/", 5) ||
+	     !strcmp(content_type, "application/javascript") ||
+	     !strcmp(content_type, "image/svg+xml")))
+		lws_http_compression_apply(wsi, NULL, p, end, 0);
+#endif
+
+	/*
+	 * if we decided to compress it, we don't know the content length...
+	 * the compressed data will go out chunked on h1
+	 */
+	if (
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	    !wsi->http.lcs &&
+#endif
+	     content_len != LWS_ILLEGAL_HTTP_CONTENT_LEN) {
+		if (lws_add_http_header_content_length(wsi, content_len,
+						       p, end))
 			return 1;
 	} else {
-		if (lws_add_http_header_by_token(wsi, WSI_TOKEN_CONNECTION,
-						 (unsigned char *)"close", 5,
-						 p, end))
-			return 1;
-
-		wsi->http.connection_type = HTTP_CONNECTION_CLOSE;
+		/* there was no length... it normally means CONNECTION_CLOSE */
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+
+		if (!wsi->http2_substream && wsi->http.lcs) {
+			/* so...
+			 *  - h1 connection
+			 *  - http compression transform active
+			 *  - did not send content length
+			 *
+			 * then mark as chunked...
+			 */
+			wsi->http.comp_ctx.chunking = 1;
+			if (lws_add_http_header_by_token(wsi,
+					WSI_TOKEN_HTTP_TRANSFER_ENCODING,
+					(unsigned char *)"chunked", 7, p, end))
+				return -1;
+
+			/* ... but h1 compression is chunked, if active we can
+			 * still pipeline
+			 */
+			if (wsi->http.lcs &&
+			    wsi->http.conn_type == HTTP_CONNECTION_KEEP_ALIVE)
+				t = 1;
+		}
+#endif
+		if (!wsi->http2_substream) {
+			if (lws_add_http_header_by_token(wsi,
+						 WSI_TOKEN_CONNECTION,
+						 (unsigned char *)ka[t],
+						 (int)strlen(ka[t]), p, end))
+				return 1;
+
+			wsi->http.conn_type = types[t];
+		}
 	}
 
 	return 0;
 }
 
-STORE_IN_ROM static const char * const err400[] = {
+static const char * const err400[] = {
 	"Bad Request",
 	"Unauthorized",
 	"Payment Required",
@@ -185,7 +235,7 @@ STORE_IN_ROM static const char * const err400[] = {
 	"Expectation Failed"
 };
 
-STORE_IN_ROM static const char * const err500[] = {
+static const char * const err500[] = {
 	"Internal Server Error",
 	"Not Implemented",
 	"Bad Gateway",
@@ -194,11 +244,31 @@ STORE_IN_ROM static const char * const err500[] = {
 	"HTTP Version Not Supported"
 };
 
+/* security best practices from Mozilla Observatory */
+
+static const
+struct lws_protocol_vhost_options pvo_hsbph[] = {{
+	NULL, NULL, "referrer-policy:", "no-referrer"
+}, {
+	&pvo_hsbph[0], NULL, "x-frame-options:", "deny"
+}, {
+	&pvo_hsbph[1], NULL, "x-xss-protection:", "1; mode=block"
+}, {
+	&pvo_hsbph[2], NULL, "x-content-type-options:", "nosniff"
+}, {
+	&pvo_hsbph[3], NULL, "content-security-policy:",
+	"default-src 'none'; img-src 'self' data: ; "
+		"script-src 'self'; font-src 'self'; "
+		"style-src 'self'; connect-src 'self'; "
+		"frame-ancestors 'none'; base-uri 'none';"
+		"form-action 'self';"
+}};
+
 int
 lws_add_http_header_status(struct lws *wsi, unsigned int _code,
 			   unsigned char **p, unsigned char *end)
 {
-	STORE_IN_ROM static const char * const hver[] = {
+	static const char * const hver[] = {
 		"HTTP/1.0", "HTTP/1.1", "HTTP/2"
 	};
 	const struct lws_protocol_vhost_options *headers;
@@ -246,6 +316,7 @@ lws_add_http_header_status(struct lws *wsi, unsigned int _code,
 						end))
 			return 1;
 	}
+
 	headers = wsi->vhost->headers;
 	while (headers) {
 		if (lws_add_http_header_by_name(wsi,
@@ -257,6 +328,20 @@ lws_add_http_header_status(struct lws *wsi, unsigned int _code,
 		headers = headers->next;
 	}
 
+	if (wsi->vhost->options &
+	    LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE) {
+		headers = &pvo_hsbph[LWS_ARRAY_SIZE(pvo_hsbph) - 1];
+		while (headers) {
+			if (lws_add_http_header_by_name(wsi,
+					(const unsigned char *)headers->name,
+					(unsigned char *)headers->value,
+					(int)strlen(headers->value), p, end))
+				return 1;
+
+			headers = headers->next;
+		}
+	}
+
 	if (wsi->context->server_string &&
 	    !(_code & LWSAHH_FLAG_NO_SERVER_NAME))
 		if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_SERVER,
@@ -271,6 +356,12 @@ lws_add_http_header_status(struct lws *wsi, unsigned int _code,
 				"includeSubDomains", 36, p, end))
 			return 1;
 
+	if (*p >= (end - 2)) {
+		lwsl_err("%s: reached end of buffer\n", __func__);
+
+		return 1;
+	}
+
 	return 0;
 }
 
@@ -283,6 +374,7 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 	unsigned char *p = pt->serv_buf + LWS_PRE;
 	unsigned char *start = p;
 	unsigned char *end = p + context->pt_serv_buf_size - LWS_PRE;
+	char *body = (char *)start + context->pt_serv_buf_size - 512;
 	int n = 0, m = 0, len;
 	char slen[20];
 
@@ -297,9 +389,9 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 	    code == HTTP_STATUS_NOT_FOUND)
 		/* we should do a redirect, and do the 404 there */
 		if (lws_http_redirect(wsi, HTTP_STATUS_FOUND,
-				       (uint8_t *)wsi->vhost->http.error_document_404,
-				       (int)strlen(wsi->vhost->http.error_document_404),
-				       &p, end) > 0)
+			       (uint8_t *)wsi->vhost->http.error_document_404,
+			       (int)strlen(wsi->vhost->http.error_document_404),
+			       &p, end) > 0)
 			return 0;
 #endif
 
@@ -317,9 +409,15 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 					 &p, end))
 		return 1;
 
-	len = 35 + (int)strlen(html_body) + sprintf(slen, "%d", code);
-	n = sprintf(slen, "%d", len);
+	len = lws_snprintf(body, 510, "<html><head>"
+		"<meta charset=utf-8 http-equiv=\"Content-Language\" "
+			"content=\"en\"/>"
+		"<link rel=\"stylesheet\" type=\"text/css\" "
+			"href=\"/error.css\"/>"
+		"</head><body><h1>%u</h1>%s</body></html>", code, html_body);
+
 
+	n = sprintf(slen, "%d", len);
 	if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH,
 					 (unsigned char *)slen, n, &p, end))
 		return 1;
@@ -329,7 +427,6 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 
 #if defined(LWS_WITH_HTTP2)
 	if (wsi->http2_substream) {
-		unsigned char *body = p + 512;
 
 		/*
 		 * for HTTP/2, the headers must be sent separately, since they
@@ -343,7 +440,8 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 		 *
 		 * Solve it by writing the headers now...
 		 */
-		m = lws_write(wsi, start, p - start, LWS_WRITE_HTTP_HEADERS);
+		m = lws_write(wsi, start, lws_ptr_diff(p, start),
+			      LWS_WRITE_HTTP_HEADERS);
 		if (m != lws_ptr_diff(p, start))
 			return 1;
 
@@ -351,10 +449,6 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 		 * ... but stash the body and send it as a priority next
 		 * handle_POLLOUT
 		 */
-
-		len = sprintf((char *)body,
-			      "<html><body><h1>%u</h1>%s</body></html>",
-			      code, html_body);
 		wsi->http.tx_content_length = len;
 		wsi->http.tx_content_remain = len;
 
@@ -363,8 +457,7 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 		if (!wsi->h2.pending_status_body)
 			return -1;
 
-		strcpy(wsi->h2.pending_status_body + LWS_PRE,
-		       (const char *)body);
+		strcpy(wsi->h2.pending_status_body + LWS_PRE, body);
 		lws_callback_on_writable(wsi);
 
 		return 0;
@@ -375,11 +468,9 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 		 * for http/1, we can just append the body after the finalized
 		 * headers and send it all in one go.
 		 */
-		p += lws_snprintf((char *)p, end - p - 1,
-				  "<html><body><h1>%u</h1>%s</body></html>",
-				  code, html_body);
 
-		n = lws_ptr_diff(p, start);
+		n = lws_ptr_diff(p, start) + len;
+		memcpy(p, body, len);
 		m = lws_write(wsi, start, n, LWS_WRITE_HTTP);
 		if (m != n)
 			return 1;
@@ -419,3 +510,20 @@ lws_http_redirect(struct lws *wsi, int code, const unsigned char *loc, int len,
 	return lws_write(wsi, start, *p - start, LWS_WRITE_HTTP_HEADERS |
 						 LWS_WRITE_H2_STREAM_END);
 }
+
+#if !defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+LWS_VISIBLE int
+lws_http_compression_apply(struct lws *wsi, const char *name,
+			   unsigned char **p, unsigned char *end, char decomp)
+{
+	(void)wsi;
+	(void)name;
+	(void)p;
+	(void)end;
+	(void)decomp;
+
+	return 0;
+}
+#endif
+
+
diff --git a/thirdparty/libwebsockets/roles/http/lextable-strings.h b/thirdparty/libwebsockets/lib/roles/http/lextable-strings.h
index 631f5cb600..1e4fee855f 100644
--- a/thirdparty/libwebsockets/roles/http/lextable-strings.h
+++ b/thirdparty/libwebsockets/lib/roles/http/lextable-strings.h
@@ -1,10 +1,6 @@
 /* set of parsable strings -- ALL LOWER CASE */
 
-#if !defined(STORE_IN_ROM)
-#define STORE_IN_ROM
-#endif
-
-STORE_IN_ROM static const char * const set[] = {
+static const char * const set[] = {
 	"get ",
 	"post ",
 	"options ",
diff --git a/thirdparty/libwebsockets/roles/http/lextable.h b/thirdparty/libwebsockets/lib/roles/http/lextable.h
index 9a8063b157..9a8063b157 100644
--- a/thirdparty/libwebsockets/roles/http/lextable.h
+++ b/thirdparty/libwebsockets/lib/roles/http/lextable.h
diff --git a/thirdparty/libwebsockets/roles/http/private.h b/thirdparty/libwebsockets/lib/roles/http/private.h
index 5699914742..ff8b0581cc 100644
--- a/thirdparty/libwebsockets/roles/http/private.h
+++ b/thirdparty/libwebsockets/lib/roles/http/private.h
@@ -22,11 +22,15 @@
  *  enabled
  */
 
-#if defined(LWS_WITH_HTTP_PROXY)
+#if defined(LWS_WITH_HUBBUB)
   #include <hubbub/hubbub.h>
   #include <hubbub/parser.h>
  #endif
 
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+#include "roles/http/compression/private.h"
+#endif
+
 #define lwsi_role_http(wsi) (lwsi_role_h1(wsi) || lwsi_role_h2(wsi))
 
 enum http_version {
@@ -35,7 +39,7 @@ enum http_version {
 	HTTP_VERSION_2
 };
 
-enum http_connection_type {
+enum http_conn_type {
 	HTTP_CONNECTION_CLOSE,
 	HTTP_CONNECTION_KEEP_ALIVE
 };
@@ -133,7 +137,7 @@ struct allocated_headers {
 
 
 
-#if defined(LWS_WITH_HTTP_PROXY)
+#if defined(LWS_WITH_HUBBUB)
 struct lws_rewrite {
 	hubbub_parser *parser;
 	hubbub_parser_optparams params;
@@ -192,9 +196,15 @@ struct lws_access_log {
 };
 #endif
 
+#define LWS_HTTP_CHUNK_HDR_MAX_SIZE (6 + 2) /* 6 hex digits and then CRLF */
+#define LWS_HTTP_CHUNK_TRL_MAX_SIZE (2 + 5) /* CRLF, then maybe 0 CRLF CRLF */
+
 struct _lws_http_mode_related {
 	struct lws *new_wsi_list;
 
+	unsigned char *pending_return_headers;
+	size_t pending_return_headers_len;
+
 #if defined(LWS_WITH_HTTP_PROXY)
 	struct lws_rewrite *rw;
 #endif
@@ -216,9 +226,14 @@ struct _lws_http_mode_related {
 #ifdef LWS_WITH_CGI
 	struct lws_cgi *cgi; /* wsi being cgi master have one of these */
 #endif
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	struct lws_compression_support *lcs;
+	lws_comp_ctx_t comp_ctx;
+	unsigned char comp_accept_mask;
+#endif
 
 	enum http_version request_version;
-	enum http_connection_type connection_type;
+	enum http_conn_type conn_type;
 	lws_filepos_t tx_content_length;
 	lws_filepos_t tx_content_remain;
 	lws_filepos_t rx_content_length;
@@ -226,8 +241,12 @@ struct _lws_http_mode_related {
 
 #if defined(LWS_WITH_HTTP_PROXY)
 	unsigned int perform_rewrite:1;
+	unsigned int proxy_clientside:1;
+	unsigned int proxy_parent_chunked:1;
 #endif
 	unsigned int deferred_transaction_completed:1;
+	unsigned int content_length_explicitly_zero:1;
+	unsigned int did_stream_close:1;
 };
 
 
diff --git a/thirdparty/libwebsockets/roles/http/server/fops-zip.c b/thirdparty/libwebsockets/lib/roles/http/server/fops-zip.c
index 4db83ce621..4db83ce621 100644
--- a/thirdparty/libwebsockets/roles/http/server/fops-zip.c
+++ b/thirdparty/libwebsockets/lib/roles/http/server/fops-zip.c
diff --git a/thirdparty/libwebsockets/roles/http/server/lejp-conf.c b/thirdparty/libwebsockets/lib/roles/http/server/lejp-conf.c
index fbf10c288e..0dd701d835 100644
--- a/thirdparty/libwebsockets/roles/http/server/lejp-conf.c
+++ b/thirdparty/libwebsockets/lib/roles/http/server/lejp-conf.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets web server application
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -105,6 +105,11 @@ static const char * const paths_vhosts[] = {
 	"vhosts[].ignore-missing-cert",
 	"vhosts[].error-document-404",
 	"vhosts[].alpn",
+	"vhosts[].ssl-client-option-set",
+	"vhosts[].ssl-client-option-clear",
+	"vhosts[].tls13-ciphers",
+	"vhosts[].client-tls13-ciphers",
+	"vhosts[].strict-host-check",
 };
 
 enum lejp_vhost_paths {
@@ -156,6 +161,11 @@ enum lejp_vhost_paths {
 	LEJPVP_IGNORE_MISSING_CERT,
 	LEJPVP_ERROR_DOCUMENT_404,
 	LEJPVP_ALPN,
+	LEJPVP_SSL_CLIENT_OPTION_SET,
+	LEJPVP_SSL_CLIENT_OPTION_CLEAR,
+	LEJPVP_TLS13_CIPHERS,
+	LEJPVP_CLIENT_TLS13_CIPHERS,
+	LEJPVP_FLAG_STRICT_HOST_CHECK,
 };
 
 static const char * const parser_errs[] = {
@@ -252,7 +262,7 @@ lejp_globals_cb(struct lejp_ctx *ctx, char reason)
 		rej = lwsws_align(a);
 		a->p += sizeof(*rej);
 
-		n = lejp_get_wildcard(ctx, 0, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
 		rej->next = a->info->reject_service_keywords;
 		a->info->reject_service_keywords = rej;
 		rej->name = a->p;
@@ -403,7 +413,7 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		a->pvo = lwsws_align(a);
 		a->p += sizeof(*a->pvo);
 
-		n = lejp_get_wildcard(ctx, 0, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
 		/* ie, enable this protocol, no options yet */
 		a->pvo->next = a->info->pvo;
 		a->info->pvo = a->pvo;
@@ -418,6 +428,7 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 	/* this catches, eg, vhosts[].headers[].xxx */
 	if ((reason == LEJPCB_VAL_STR_END || reason == LEJPCB_VAL_STR_CHUNK) &&
 	    ctx->path_match == LEJPVP_HEADERS_NAME + 1) {
+
 		if (!a->chunk) {
 			headers = lwsws_align(a);
 			a->p += sizeof(*headers);
@@ -450,8 +461,9 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		struct lws_vhost *vhost;
 
 		//lwsl_notice("%s\n", ctx->path);
-		if (!a->info->port) {
-			lwsl_err("Port required (eg, 443)");
+		if (!a->info->port &&
+		    !(a->info->options & LWS_SERVER_OPTION_UNIX_SOCK)) {
+			lwsl_err("Port required (eg, 443)\n");
 			return 1;
 		}
 		a->valid = 0;
@@ -467,13 +479,19 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 
 #if defined(LWS_WITH_TLS)
 		if (a->enable_client_ssl) {
-			const char *cert_filepath = a->info->client_ssl_cert_filepath;
-			const char *private_key_filepath = a->info->client_ssl_private_key_filepath;
-			const char *ca_filepath = a->info->client_ssl_ca_filepath;
-			const char *cipher_list = a->info->client_ssl_cipher_list;
+			const char *cert_filepath =
+					a->info->client_ssl_cert_filepath;
+			const char *private_key_filepath =
+				       a->info->client_ssl_private_key_filepath;
+			const char *ca_filepath =
+					a->info->client_ssl_ca_filepath;
+			const char *cipher_list =
+					a->info->client_ssl_cipher_list;
+
 			memset(a->info, 0, sizeof(*a->info));
 			a->info->client_ssl_cert_filepath = cert_filepath;
-			a->info->client_ssl_private_key_filepath = private_key_filepath;
+			a->info->client_ssl_private_key_filepath =
+							private_key_filepath;
 			a->info->client_ssl_ca_filepath = ca_filepath;
 			a->info->client_ssl_cipher_list = cipher_list;
 			a->info->options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
@@ -617,6 +635,13 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 	case LEJPVP_CIPHERS:
 		a->info->ssl_cipher_list = a->p;
 		break;
+	case LEJPVP_TLS13_CIPHERS:
+		a->info->tls1_3_plus_cipher_list = a->p;
+		break;
+	case LEJPVP_CLIENT_TLS13_CIPHERS:
+		a->info->client_tls_1_3_plus_cipher_list = a->p;
+		break;
+
 	case LEJPVP_ECDH_CURVE:
 		a->info->ecdh_curve = a->p;
 		break;
@@ -628,13 +653,13 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		mp_cgienv->next = a->m.cgienv;
 		a->m.cgienv = mp_cgienv;
 
-		n = lejp_get_wildcard(ctx, 0, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
 		mp_cgienv->name = a->p;
 		a->p += n;
 		mp_cgienv->value = a->p;
 		mp_cgienv->options = NULL;
-		//lwsl_notice("    adding pmo / cgi-env '%s' = '%s'\n", mp_cgienv->name,
-		//		mp_cgienv->value);
+		//lwsl_notice("    adding pmo / cgi-env '%s' = '%s'\n",
+		//		mp_cgienv->name, mp_cgienv->value);
 		goto dostring;
 
 	case LEJPVP_PROTOCOL_NAME_OPT:
@@ -645,7 +670,7 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		pvo = lwsws_align(a);
 		a->p += sizeof(*a->pvo);
 
-		n = lejp_get_wildcard(ctx, 1, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 1, a->p, lws_ptr_diff(a->end, a->p));
 		/* ie, enable this protocol, no options yet */
 		pvo->next = a->pvo->options;
 		a->pvo->options = pvo;
@@ -659,12 +684,12 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		a->pvo_em = lwsws_align(a);
 		a->p += sizeof(*a->pvo_em);
 
-		n = lejp_get_wildcard(ctx, 0, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
 		/* ie, enable this protocol, no options yet */
 		a->pvo_em->next = a->m.extra_mimetypes;
 		a->m.extra_mimetypes = a->pvo_em;
 		a->pvo_em->name = a->p;
-		lwsl_notice("  adding extra-mimetypes %s -> %s\n", a->p, ctx->buf);
+		lwsl_notice("  + extra-mimetypes %s -> %s\n", a->p, ctx->buf);
 		a->p += n;
 		a->pvo_em->value = a->p;
 		a->pvo_em->options = NULL;
@@ -674,7 +699,7 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		a->pvo_int = lwsws_align(a);
 		a->p += sizeof(*a->pvo_int);
 
-		n = lejp_get_wildcard(ctx, 0, a->p, a->end - a->p);
+		n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
 		/* ie, enable this protocol, no options yet */
 		a->pvo_int->next = a->m.interpret;
 		a->m.interpret = a->pvo_int;
@@ -737,6 +762,15 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 
 		return 0;
 
+	case LEJPVP_FLAG_STRICT_HOST_CHECK:
+		if (arg_to_bool(ctx->buf))
+			a->info->options |=
+				LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK;
+		else
+			a->info->options &=
+				~(LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK);
+		return 0;
+
 	case LEJPVP_ERROR_DOCUMENT_404:
 		a->info->error_document_404 = a->p;
 		break;
@@ -748,6 +782,13 @@ lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
 		a->info->ssl_options_clear |= atol(ctx->buf);
 		return 0;
 
+	case LEJPVP_SSL_CLIENT_OPTION_SET:
+		a->info->ssl_client_options_set |= atol(ctx->buf);
+		return 0;
+	case LEJPVP_SSL_CLIENT_OPTION_CLEAR:
+		a->info->ssl_client_options_clear |= atol(ctx->buf);
+		return 0;
+
 	case LEJPVP_ALPN:
 		a->info->alpn = a->p;
 		break;
@@ -761,12 +802,13 @@ dostring:
 	p[LEJP_STRING_CHUNK] = '\0';
 	p1 = strstr(p, ESC_INSTALL_DATADIR);
 	if (p1) {
-		n = p1 - p;
+		n = lws_ptr_diff(p1, p);
 		if (n > a->end - a->p)
-			n = a->end - a->p;
+			n = lws_ptr_diff(a->end, a->p);
 		lws_strncpy(a->p, p, n + 1);
 		a->p += n;
-		a->p += lws_snprintf(a->p, a->end - a->p, "%s", LWS_INSTALL_DATADIR);
+		a->p += lws_snprintf(a->p, a->end - a->p, "%s",
+				     LWS_INSTALL_DATADIR);
 		p += n + strlen(ESC_INSTALL_DATADIR);
 	}
 
@@ -871,7 +913,7 @@ static int
 lwsws_get_config_d(void *user, const char *d, const char * const *paths,
 		   int count_paths, lejp_callback cb)
 {
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(LWS_WITH_ESP32)
 	struct dirent **namelist;
 	char path[256];
 	int n, i, ret = 0;
@@ -941,13 +983,14 @@ lwsws_get_config_globals(struct lws_context_creation_info *info, const char *d,
 		return 1;
 	lws_snprintf(dd, sizeof(dd) - 1, "%s/conf.d", d);
 	if (lwsws_get_config_d(&a, dd, paths_global,
-			       LWS_ARRAY_SIZE(paths_global), lejp_globals_cb) > 1)
+			       LWS_ARRAY_SIZE(paths_global),
+			       lejp_globals_cb) > 1)
 		return 1;
 
 	a.plugin_dirs[a.count_plugin_dirs] = NULL;
 
 	*cs = a.p;
-	*len = a.end - a.p;
+	*len = lws_ptr_diff(a.end, a.p);
 
 	return 0;
 }
@@ -980,7 +1023,7 @@ lwsws_get_config_vhosts(struct lws_context *context,
 		return 1;
 
 	*cs = a.p;
-	*len = a.end - a.p;
+	*len = lws_ptr_diff(a.end, a.p);
 
 	if (!a.any_vhosts) {
 		lwsl_err("Need at least one vhost\n");
diff --git a/thirdparty/libwebsockets/roles/http/server/parsers.c b/thirdparty/libwebsockets/lib/roles/http/server/parsers.c
index 482bdc676a..641e9b8dac 100644
--- a/thirdparty/libwebsockets/roles/http/server/parsers.c
+++ b/thirdparty/libwebsockets/lib/roles/http/server/parsers.c
@@ -240,8 +240,9 @@ lws_header_table_attach(struct lws *wsi, int autoservice)
 	wsi->http.ah->wsi = wsi; /* mark our owner */
 	pt->http.ah_count_in_use++;
 
-#if defined(LWS_WITH_PEER_LIMITS) && (defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2))
-	lws_context_lock(context); /* <====================================== */
+#if defined(LWS_WITH_PEER_LIMITS) && (defined(LWS_ROLE_H1) || \
+    defined(LWS_ROLE_H2))
+	lws_context_lock(context, "ah attach"); /* <========================= */
 	if (wsi->peer)
 		wsi->peer->http.count_ah++;
 	lws_context_unlock(context); /* ====================================> */
@@ -259,7 +260,7 @@ reset:
 
 #ifndef LWS_NO_CLIENT
 	if (lwsi_role_client(wsi) && lwsi_state(wsi) == LRS_UNCONNECTED)
-		if (!lws_client_connect_via_info2(wsi))
+		if (!lws_http_client_connect_via_info2(wsi))
 			/* our client connect has failed, the wsi
 			 * has been closed
 			 */
@@ -353,14 +354,16 @@ int __lws_header_table_detach(struct lws *wsi, int autoservice)
 	if (!wsi) /* everybody waiting already has too many ah... */
 		goto nobody_usable_waiting;
 
-	lwsl_info("%s: transferring ah to last eligible wsi in wait list %p (wsistate 0x%x)\n", __func__, wsi, wsi->wsistate);
+	lwsl_info("%s: transferring ah to last eligible wsi in wait list "
+		  "%p (wsistate 0x%x)\n", __func__, wsi, wsi->wsistate);
 
 	wsi->http.ah = ah;
 	ah->wsi = wsi; /* new owner */
 
 	__lws_header_table_reset(wsi, autoservice);
-#if defined(LWS_WITH_PEER_LIMITS) && (defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2))
-	lws_context_lock(context); /* <====================================== */
+#if defined(LWS_WITH_PEER_LIMITS) && (defined(LWS_ROLE_H1) || \
+    defined(LWS_ROLE_H2))
+	lws_context_lock(context, "ah detach"); /* <========================= */
 	if (wsi->peer)
 		wsi->peer->http.count_ah++;
 	lws_context_unlock(context); /* ====================================> */
@@ -386,7 +389,7 @@ int __lws_header_table_detach(struct lws *wsi, int autoservice)
 	if (lwsi_role_client(wsi) && lwsi_state(wsi) == LRS_UNCONNECTED) {
 		lws_pt_unlock(pt);
 
-		if (!lws_client_connect_via_info2(wsi)) {
+		if (!lws_http_client_connect_via_info2(wsi)) {
 			/* our client connect has failed, the wsi
 			 * has been closed
 			 */
@@ -397,7 +400,8 @@ int __lws_header_table_detach(struct lws *wsi, int autoservice)
 	}
 #endif
 
-	assert(!!pt->http.ah_wait_list_length == !!(lws_intptr_t)pt->http.ah_wait_list);
+	assert(!!pt->http.ah_wait_list_length ==
+			!!(lws_intptr_t)pt->http.ah_wait_list);
 bail:
 	lwsl_info("%s: wsi %p: ah %p (tsi=%d, count = %d)\n", __func__,
 		  (void *)wsi, (void *)ah, pt->tid, pt->http.ah_count_in_use);
@@ -459,6 +463,10 @@ LWS_VISIBLE int lws_hdr_total_length(struct lws *wsi, enum lws_token_indexes h)
 	do {
 		len += wsi->http.ah->frags[n].len;
 		n = wsi->http.ah->frags[n].nfrag;
+
+		if (n && h != WSI_TOKEN_HTTP_COOKIE)
+			++len;
+
 	} while (n);
 
 	return len;
@@ -500,6 +508,11 @@ LWS_VISIBLE int lws_hdr_copy(struct lws *wsi, char *dst, int len,
 {
 	int toklen = lws_hdr_total_length(wsi, h);
 	int n;
+	int comma;
+
+	*dst = '\0';
+	if (!toklen)
+		return 0;
 
 	if (toklen >= len)
 		return -1;
@@ -512,13 +525,20 @@ LWS_VISIBLE int lws_hdr_copy(struct lws *wsi, char *dst, int len,
 		return 0;
 
 	do {
-		if (wsi->http.ah->frags[n].len >= len)
+		comma = (wsi->http.ah->frags[n].nfrag &&
+			h != WSI_TOKEN_HTTP_COOKIE) ? 1 : 0;
+
+		if (wsi->http.ah->frags[n].len + comma >= len)
 			return -1;
 		strncpy(dst, &wsi->http.ah->data[wsi->http.ah->frags[n].offset],
 		        wsi->http.ah->frags[n].len);
 		dst += wsi->http.ah->frags[n].len;
 		len -= wsi->http.ah->frags[n].len;
 		n = wsi->http.ah->frags[n].nfrag;
+
+		if (comma)
+			*dst++ = ',';
+				
 	} while (n);
 	*dst = '\0';
 
@@ -529,6 +549,9 @@ char *lws_hdr_simple_ptr(struct lws *wsi, enum lws_token_indexes h)
 {
 	int n;
 
+	if (!wsi->http.ah)
+		return NULL;
+
 	n = wsi->http.ah->frag_index[h];
 	if (!n)
 		return NULL;
@@ -539,6 +562,9 @@ char *lws_hdr_simple_ptr(struct lws *wsi, enum lws_token_indexes h)
 static int LWS_WARN_UNUSED_RESULT
 lws_pos_in_bounds(struct lws *wsi)
 {
+	if (!wsi->http.ah)
+		return -1;
+
 	if (wsi->http.ah->pos <
 	    (unsigned int)wsi->context->max_http_header_data)
 		return 0;
@@ -599,7 +625,8 @@ issue_char(struct lws *wsi, unsigned char c)
 	 * If we haven't hit the token limit, just copy the character into
 	 * the header
 	 */
-	if (frag_len < wsi->http.ah->current_token_limit) {
+	if (!wsi->http.ah->current_token_limit ||
+	    frag_len < wsi->http.ah->current_token_limit) {
 		wsi->http.ah->data[wsi->http.ah->pos++] = c;
 		if (c)
 			wsi->http.ah->frags[wsi->http.ah->nfrag].len++;
@@ -868,8 +895,9 @@ lws_parse(struct lws *wsi, unsigned char *buf, int *len)
 				if (ah->ups == URIPS_SEEN_SLASH_DOT_DOT) {
 					/*
 					 * back up one dir level if possible
-					 * safe against header fragmentation because
-					 * the method URI can only be in 1 fragment
+					 * safe against header fragmentation
+					 * because the method URI can only be
+					 * in 1 fragment
 					 */
 					if (ah->frags[ah->nfrag].len > 2) {
 						ah->pos--;
@@ -939,7 +967,8 @@ swallow:
 			pos = ah->lextable_pos;
 
 			while (1) {
-				if (lextable[pos] & (1 << 7)) { /* 1-byte, fail on mismatch */
+				if (lextable[pos] & (1 << 7)) {
+					/* 1-byte, fail on mismatch */
 					if ((lextable[pos] & 0x7f) != c) {
 nope:
 						ah->lextable_pos = -1;
@@ -958,14 +987,15 @@ nope:
 					goto nope;
 
 				/* b7 = 0, end or 3-byte */
-				if (lextable[pos] < FAIL_CHAR) { /* terminal marker */
+				if (lextable[pos] < FAIL_CHAR) { /* term mark */
 					ah->lextable_pos = pos;
 					break;
 				}
 
 				if (lextable[pos] == c) { /* goto */
-					ah->lextable_pos = pos + (lextable[pos + 1]) +
-							(lextable[pos + 2] << 8);
+					ah->lextable_pos = pos +
+						(lextable[pos + 1]) +
+						(lextable[pos + 2] << 8);
 					break;
 				}
 
@@ -1038,13 +1068,13 @@ nope:
 					n = WSI_TOKEN_ORIGIN;
 
 				ah->parser_state = (enum lws_token_indexes)
-								(WSI_TOKEN_GET_URI + n);
+							(WSI_TOKEN_GET_URI + n);
 				ah->ups = URIPS_IDLE;
 
 				if (context->token_limits)
 					ah->current_token_limit = context->
-							token_limits->token_limit[
-								      ah->parser_state];
+						token_limits->token_limit[
+							      ah->parser_state];
 				else
 					ah->current_token_limit =
 						wsi->context->max_http_header_data;
@@ -1116,6 +1146,7 @@ excessive:
 set_parsing_complete:
 	if (ah->ues != URIES_IDLE)
 		goto forbid;
+
 	if (lws_hdr_total_length(wsi, WSI_TOKEN_UPGRADE)) {
 		if (lws_hdr_total_length(wsi, WSI_TOKEN_VERSION))
 			wsi->rx_frame_type = /* temp for ws version index */
diff --git a/thirdparty/libwebsockets/roles/http/server/server.c b/thirdparty/libwebsockets/lib/roles/http/server/server.c
index abd86dc9b5..729315602c 100644
--- a/thirdparty/libwebsockets/roles/http/server/server.c
+++ b/thirdparty/libwebsockets/lib/roles/http/server/server.c
@@ -28,6 +28,8 @@ const char * const method_names[] = {
 #endif
 	};
 
+static const char * const intermediates[] = { "private", "public" };
+
 /*
  * return 0: all done
  *        1: nonfatal error
@@ -38,7 +40,7 @@ const char * const method_names[] = {
 
 int
 _lws_vhost_init_server(const struct lws_context_creation_info *info,
-			 struct lws_vhost *vhost)
+		       struct lws_vhost *vhost)
 {
 	int n, opt = 1, limit = 1;
 	lws_sockfd_type sockfd;
@@ -81,15 +83,22 @@ _lws_vhost_init_server(const struct lws_context_creation_info *info,
 		 * let's check before we do anything else about the disposition
 		 * of the interface he wants to bind to...
 		 */
-		is = lws_socket_bind(vhost, LWS_SOCK_INVALID, vhost->listen_port, vhost->iface);
+		is = lws_socket_bind(vhost, LWS_SOCK_INVALID, vhost->listen_port,
+				vhost->iface);
 		lwsl_debug("initial if check says %d\n", is);
+
+		if (is == LWS_ITOSA_BUSY)
+			/* treat as fatal */
+			return -1;
+
 deal:
 
 		lws_start_foreach_llp(struct lws_vhost **, pv,
 				      vhost->context->no_listener_vhost_list) {
 			if (is >= LWS_ITOSA_USABLE && *pv == vhost) {
 				/* on the list and shouldn't be: remove it */
-				lwsl_debug("deferred iface: removing vh %s\n", (*pv)->name);
+				lwsl_debug("deferred iface: removing vh %s\n",
+						(*pv)->name);
 				*pv = vhost->no_listener_vhost_list;
 				vhost->no_listener_vhost_list = NULL;
 				goto done_list;
@@ -105,7 +114,8 @@ deal:
 			/* ... but needs to be: so add it */
 
 			lwsl_debug("deferred iface: adding vh %s\n", vhost->name);
-			vhost->no_listener_vhost_list = vhost->context->no_listener_vhost_list;
+			vhost->no_listener_vhost_list =
+					vhost->context->no_listener_vhost_list;
 			vhost->context->no_listener_vhost_list = vhost;
 		}
 
@@ -221,9 +231,16 @@ done_list:
 			}
 #endif
 #endif
-		lws_plat_set_socket_options(vhost, sockfd);
+		lws_plat_set_socket_options(vhost, sockfd, 0);
 
 		is = lws_socket_bind(vhost, sockfd, vhost->listen_port, vhost->iface);
+		if (is == LWS_ITOSA_BUSY) {
+			/* treat as fatal */
+			compatible_close(sockfd);
+
+			return -1;
+		}
+
 		/*
 		 * There is a race where the network device may come up and then
 		 * go away and fail here.  So correctly handle unexpected failure
@@ -234,21 +251,29 @@ done_list:
 			compatible_close(sockfd);
 			goto deal;
 		}
-		vhost->listen_port = is;
-
-		lwsl_debug("%s: lws_socket_bind says %d\n", __func__, is);
 
 		wsi = lws_zalloc(sizeof(struct lws), "listen wsi");
 		if (wsi == NULL) {
 			lwsl_err("Out of mem\n");
 			goto bail;
 		}
+
+#ifdef LWS_WITH_UNIX_SOCK
+		if (!LWS_UNIX_SOCK_ENABLED(vhost))
+#endif
+		{
+			wsi->unix_skt = 1;
+			vhost->listen_port = is;
+
+			lwsl_debug("%s: lws_socket_bind says %d\n", __func__, is);
+		}
+
 		wsi->context = vhost->context;
 		wsi->desc.sockfd = sockfd;
 		lws_role_transition(wsi, 0, LRS_UNCONNECTED, &role_ops_listen);
 		wsi->protocol = vhost->protocols;
 		wsi->tsi = m;
-		wsi->vhost = vhost;
+		lws_vhost_bind_wsi(vhost, wsi);
 		wsi->listener = 1;
 
 		if (wsi->context->event_loop_ops->init_vhost_listen_wsi)
@@ -296,7 +321,7 @@ lws_select_vhost(struct lws_context *context, int port, const char *servername)
 {
 	struct lws_vhost *vhost = context->vhost_list;
 	const char *p;
-	int n, m, colon;
+	int n, colon;
 
 	n = (int)strlen(servername);
 	colon = n;
@@ -324,8 +349,8 @@ lws_select_vhost(struct lws_context *context, int port, const char *servername)
 	 */
 	vhost = context->vhost_list;
 	while (vhost) {
-		m = (int)strlen(vhost->name);
-		if (port == vhost->listen_port &&
+		int m = (int)strlen(vhost->name);
+		if (port && port == vhost->listen_port &&
 		    m <= (colon - 2) &&
 		    servername[colon - m - 1] == '.' &&
 		    !strncmp(vhost->name, servername + colon - m, m)) {
@@ -340,7 +365,7 @@ lws_select_vhost(struct lws_context *context, int port, const char *servername)
 
 	vhost = context->vhost_list;
 	while (vhost) {
-		if (port == vhost->listen_port) {
+		if (port && port == vhost->listen_port) {
 			lwsl_info("%s: vhost match to %s based on port %d\n",
 					__func__, vhost->name, port);
 			return vhost;
@@ -356,8 +381,8 @@ lws_select_vhost(struct lws_context *context, int port, const char *servername)
 LWS_VISIBLE LWS_EXTERN const char *
 lws_get_mimetype(const char *file, const struct lws_http_mount *m)
 {
-	int n = (int)strlen(file);
 	const struct lws_protocol_vhost_options *pvo = NULL;
+	int n = (int)strlen(file);
 
 	if (m)
 		pvo = m->extra_mimetypes;
@@ -457,7 +482,7 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 #endif
 	int spin = 0;
 #endif
-	char path[256], sym[512];
+	char path[256], sym[2048];
 	unsigned char *p = (unsigned char *)sym + 32 + LWS_PRE, *start = p;
 	unsigned char *end = p + sizeof(sym) - 32 - LWS_PRE;
 #if !defined(WIN32) && !defined(LWS_WITH_ESP32)
@@ -494,7 +519,7 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 			lwsl_info("%s: Unable to open '%s': errno %d\n",
 				  __func__, path, errno);
 
-			return -1;
+			return 1;
 		}
 
 		/* if it can't be statted, don't try */
@@ -506,18 +531,18 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 #if !defined(WIN32)
 		if (fstat(wsi->http.fop_fd->fd, &st)) {
 			lwsl_info("unable to stat %s\n", path);
-			goto bail;
+			goto notfound;
 		}
 #else
 #if defined(LWS_HAVE__STAT32I64)
 		if (_stat32i64(path, &st)) {
 			lwsl_info("unable to stat %s\n", path);
-			goto bail;
+			goto notfound;
 		}
 #else
 		if (stat(path, &st)) {
 			lwsl_info("unable to stat %s\n", path);
-			goto bail;
+			goto notfound;
 		}
 #endif
 #endif
@@ -530,7 +555,7 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 			len = readlink(path, sym, sizeof(sym) - 1);
 			if (len) {
 				lwsl_err("Failed to read link %s\n", path);
-				goto bail;
+				goto notfound;
 			}
 			sym[len] = '\0';
 			lwsl_debug("symlink %s -> %s\n", path, sym);
@@ -567,19 +592,48 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 		if (!strcmp(sym, lws_hdr_simple_ptr(wsi,
 					WSI_TOKEN_HTTP_IF_NONE_MATCH))) {
 
+			char cache_control[50], *cc = "no-store";
+			int cclen = 8;
+
 			lwsl_debug("%s: ETAG match %s %s\n", __func__,
 				   uri, origin);
 
 			/* we don't need to send the payload */
 			if (lws_add_http_header_status(wsi,
-					HTTP_STATUS_NOT_MODIFIED, &p, end))
+					HTTP_STATUS_NOT_MODIFIED, &p, end)) {
+				lwsl_err("%s: failed adding not modified\n",
+						__func__);
 				return -1;
+			}
 
 			if (lws_add_http_header_by_token(wsi,
 					WSI_TOKEN_HTTP_ETAG,
 					(unsigned char *)sym, n, &p, end))
 				return -1;
 
+			/* but we still need to send cache control... */
+
+			if (m->cache_max_age && m->cache_reusable) {
+				if (!m->cache_revalidate) {
+					cc = cache_control;
+					cclen = sprintf(cache_control,
+						"%s, max-age=%u",
+						intermediates[wsi->cache_intermediaries],
+						m->cache_max_age);
+				} else {
+					cc = cache_control;
+                                        cclen = sprintf(cache_control,
+                                        	"must-revalidate, %s, max-age=%u",
+                                                intermediates[wsi->cache_intermediaries],
+                                                m->cache_max_age);
+				}
+			}
+
+			if (lws_add_http_header_by_token(wsi,
+					WSI_TOKEN_HTTP_CACHE_CONTROL,
+					(unsigned char *)cc, cclen, &p, end))
+				return -1;
+
 			if (lws_finalize_http_header(wsi, &p, end))
 				return -1;
 
@@ -594,7 +648,10 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 
 			lws_vfs_file_close(&wsi->http.fop_fd);
 
-			return lws_http_transaction_completed(wsi);
+			if (lws_http_transaction_completed(wsi))
+				return -1;
+
+			return 0;
 		}
 	}
 
@@ -605,8 +662,13 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 
 	mimetype = lws_get_mimetype(path, m);
 	if (!mimetype) {
-		lwsl_err("unknown mimetype for %s\n", path);
-               goto bail;
+		lwsl_info("unknown mimetype for %s\n", path);
+		if (lws_return_http_status(wsi,
+				HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE, NULL) ||
+		    lws_http_transaction_completed(wsi))
+			return -1;
+
+		return 0;
 	}
 	if (!mimetype[0])
 		lwsl_debug("sending no mimetype for %s\n", path);
@@ -642,8 +704,8 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 		const struct lws_protocols *pp = lws_vhost_name_to_protocol(
 						       wsi->vhost, m->protocol);
 
-		if (lws_bind_protocol(wsi, pp))
-			return 1;
+		if (lws_bind_protocol(wsi, pp, __func__))
+			return -1;
 		args.p = (char *)p;
 		args.max_len = lws_ptr_diff(end, p);
 		if (pp->callback(wsi, LWS_CALLBACK_ADD_HEADERS,
@@ -652,6 +714,7 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 		p = (unsigned char *)args.p;
 	}
 
+	*p = '\0';
 	n = lws_serve_http_file(wsi, path, mimetype, (char *)start,
 				lws_ptr_diff(p, start));
 
@@ -659,9 +722,10 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 		return -1; /* error or can't reuse connection: close the socket */
 
 	return 0;
-bail:
 
-	return -1;
+notfound:
+
+	return 1;
 }
 
 #if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
@@ -749,7 +813,7 @@ lws_unauthorised_basic_auth(struct lws *wsi)
 {
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
 	unsigned char *start = pt->serv_buf + LWS_PRE,
-		      *p = start, *end = p + 512;
+		      *p = start, *end = p + 2048;
 	char buf[64];
 	int n;
 
@@ -848,24 +912,25 @@ lws_http_get_uri_and_method(struct lws *wsi, char **puri_ptr, int *puri_len)
 	return -1;
 }
 
+static const char * const oprot[] = {
+	"http://", "https://"
+};
+
 int
 lws_http_action(struct lws *wsi)
 {
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-	enum http_connection_type connection_type;
+	const struct lws_http_mount *hit = NULL;
 	enum http_version request_version;
-	char content_length_str[32];
 	struct lws_process_html_args args;
-	const struct lws_http_mount *hit = NULL;
-	unsigned int n;
-	char http_version_str[10];
-	char http_conn_str[20];
-	int http_version_len;
+	enum http_conn_type conn_type;
+	char content_length_str[32];
+	char http_version_str[12];
 	char *uri_ptr = NULL, *s;
-	int uri_len = 0, meth;
-	static const char * const oprot[] = {
-		"http://", "https://"
-	};
+	int uri_len = 0, meth, m;
+	char http_conn_str[25];
+	int http_version_len;
+	unsigned int n;
 
 	meth = lws_http_get_uri_and_method(wsi, &uri_ptr, &uri_len);
 	if (meth < 0 || meth >= (int)LWS_ARRAY_SIZE(method_names))
@@ -898,16 +963,21 @@ lws_http_action(struct lws *wsi)
 	/* HTTP header had a content length? */
 
 	wsi->http.rx_content_length = 0;
+	wsi->http.content_length_explicitly_zero = 0;
 	if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI) ||
-		lws_hdr_total_length(wsi, WSI_TOKEN_PATCH_URI) ||
-		lws_hdr_total_length(wsi, WSI_TOKEN_PUT_URI))
+	    lws_hdr_total_length(wsi, WSI_TOKEN_PATCH_URI) ||
+	    lws_hdr_total_length(wsi, WSI_TOKEN_PUT_URI))
 		wsi->http.rx_content_length = 100 * 1024 * 1024;
 
-	if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH)) {
-		lws_hdr_copy(wsi, content_length_str,
-			     sizeof(content_length_str) - 1,
-			     WSI_TOKEN_HTTP_CONTENT_LENGTH);
+	if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH) &&
+	    lws_hdr_copy(wsi, content_length_str,
+			 sizeof(content_length_str) - 1,
+			 WSI_TOKEN_HTTP_CONTENT_LENGTH) > 0) {
 		wsi->http.rx_content_length = atoll(content_length_str);
+		if (!wsi->http.rx_content_length) {
+			wsi->http.content_length_explicitly_zero = 1;
+			lwsl_debug("%s: explicit 0 content-length\n", __func__);
+		}
 	}
 
 	if (wsi->http2_substream) {
@@ -918,35 +988,33 @@ lws_http_action(struct lws *wsi)
 
 		/* Works for single digit HTTP versions. : */
 		http_version_len = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP);
-		if (http_version_len > 7) {
-			lws_hdr_copy(wsi, http_version_str,
-				     sizeof(http_version_str) - 1,
-				     WSI_TOKEN_HTTP);
-			if (http_version_str[5] == '1' &&
-			    http_version_str[7] == '1')
-				request_version = HTTP_VERSION_1_1;
-		}
+		if (http_version_len > 7 &&
+		    lws_hdr_copy(wsi, http_version_str,
+				 sizeof(http_version_str) - 1,
+				 WSI_TOKEN_HTTP) > 0 &&
+		    http_version_str[5] == '1' && http_version_str[7] == '1')
+			request_version = HTTP_VERSION_1_1;
+
 		wsi->http.request_version = request_version;
 
 		/* HTTP/1.1 defaults to "keep-alive", 1.0 to "close" */
 		if (request_version == HTTP_VERSION_1_1)
-			connection_type = HTTP_CONNECTION_KEEP_ALIVE;
+			conn_type = HTTP_CONNECTION_KEEP_ALIVE;
 		else
-			connection_type = HTTP_CONNECTION_CLOSE;
+			conn_type = HTTP_CONNECTION_CLOSE;
 
 		/* Override default if http "Connection:" header: */
-		if (lws_hdr_total_length(wsi, WSI_TOKEN_CONNECTION)) {
-			lws_hdr_copy(wsi, http_conn_str,
-				     sizeof(http_conn_str) - 1,
-				     WSI_TOKEN_CONNECTION);
+		if (lws_hdr_total_length(wsi, WSI_TOKEN_CONNECTION) &&
+		    lws_hdr_copy(wsi, http_conn_str, sizeof(http_conn_str) - 1,
+				 WSI_TOKEN_CONNECTION) > 0) {
 			http_conn_str[sizeof(http_conn_str) - 1] = '\0';
 			if (!strcasecmp(http_conn_str, "keep-alive"))
-				connection_type = HTTP_CONNECTION_KEEP_ALIVE;
+				conn_type = HTTP_CONNECTION_KEEP_ALIVE;
 			else
 				if (!strcasecmp(http_conn_str, "close"))
-					connection_type = HTTP_CONNECTION_CLOSE;
+					conn_type = HTTP_CONNECTION_CLOSE;
 		}
-		wsi->http.connection_type = connection_type;
+		wsi->http.conn_type = conn_type;
 	}
 
 	n = wsi->protocol->callback(wsi, LWS_CALLBACK_FILTER_HTTP_CONNECTION,
@@ -970,7 +1038,7 @@ lws_http_action(struct lws *wsi)
 		 * URI from the host: header and ignore the path part
 		 */
 		unsigned char *start = pt->serv_buf + LWS_PRE, *p = start,
-			      *end = p + 512;
+			      *end = p + wsi->context->pt_serv_buf_size - LWS_PRE;
 
 		if (!lws_hdr_total_length(wsi, WSI_TOKEN_HOST))
 			goto bail_nuke_ah;
@@ -988,7 +1056,7 @@ lws_http_action(struct lws *wsi)
 #endif
 
 #ifdef LWS_WITH_ACCESS_LOG
-	lws_prepare_access_log_info(wsi, uri_ptr, meth);
+	lws_prepare_access_log_info(wsi, uri_ptr, uri_len, meth);
 #endif
 
 	/* can we serve it from the mount list? */
@@ -999,12 +1067,13 @@ lws_http_action(struct lws *wsi)
 
 		lwsl_info("no hit\n");
 
-		if (lws_bind_protocol(wsi, &wsi->vhost->protocols[0]))
+		if (lws_bind_protocol(wsi, &wsi->vhost->protocols[0],
+				      "no mount hit"))
 			return 1;
 
 		lwsi_set_state(wsi, LRS_DOING_TRANSACTION);
 
-		n = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
+		m = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
 				    wsi->user_space, uri_ptr, uri_len);
 
 		goto after;
@@ -1035,10 +1104,11 @@ lws_http_action(struct lws *wsi)
 	      hit->origin_protocol == LWSMPRO_REDIR_HTTPS)) &&
 	    (hit->origin_protocol != LWSMPRO_CGI &&
 	     hit->origin_protocol != LWSMPRO_CALLBACK)) {
-		unsigned char *start = pt->serv_buf + LWS_PRE,
-			      *p = start, *end = p + 512;
+		unsigned char *start = pt->serv_buf + LWS_PRE, *p = start,
+			      *end = p + wsi->context->pt_serv_buf_size -
+			      	     LWS_PRE - 512;
 
-		lwsl_debug("Doing 301 '%s' org %s\n", s, hit->origin);
+		lwsl_info("Doing 301 '%s' org %s\n", s, hit->origin);
 
 		/* > at start indicates deal with by redirect */
 		if (hit->origin_protocol == LWSMPRO_REDIR_HTTP ||
@@ -1075,12 +1145,21 @@ lws_http_action(struct lws *wsi)
 	/* basic auth? */
 
 	if (hit->basic_auth_login_file) {
-		char b64[160], plain[(sizeof(b64) * 3) / 4];
-		int m;
+		char b64[160], plain[(sizeof(b64) * 3) / 4], *pcolon;
+		int m, ml, fi;
 
 		/* Did he send auth? */
-		if (!lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_AUTHORIZATION))
+		ml = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_AUTHORIZATION);
+		if (!ml)
+			return lws_unauthorised_basic_auth(wsi);
+
+		/* Disallow fragmentation monkey business */
+
+		fi = wsi->http.ah->frag_index[WSI_TOKEN_HTTP_AUTHORIZATION];
+		if (wsi->http.ah->frags[fi].nfrag) {
+			lwsl_err("fragmented basic auth header not allowed\n");
 			return lws_unauthorised_basic_auth(wsi);
+		}
 
 		n = HTTP_STATUS_FORBIDDEN;
 
@@ -1099,21 +1178,36 @@ lws_http_action(struct lws *wsi)
 
 		/* It'll be like Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l */
 
-		m = lws_b64_decode_string(b64 + 6, plain, sizeof(plain));
+		m = lws_b64_decode_string(b64 + 6, plain, sizeof(plain) - 1);
 		if (m < 0) {
 			lwsl_err("plain auth too long\n");
 			goto transaction_result_n;
 		}
 
+		plain[m] = '\0';
+		pcolon = strchr(plain, ':');
+		if (!pcolon) {
+			lwsl_err("basic auth format broken\n");
+			return lws_unauthorised_basic_auth(wsi);
+		}
 		if (!lws_find_string_in_file(hit->basic_auth_login_file,
 					     plain, m)) {
 			lwsl_err("basic auth lookup failed\n");
 			return lws_unauthorised_basic_auth(wsi);
 		}
 
-		lwsl_info("basic auth accepted\n");
+		/*
+		 * Rewrite WSI_TOKEN_HTTP_AUTHORIZATION so it is just the
+		 * authorized username
+		 */
 
-		/* accept the auth */
+		*pcolon = '\0';
+		wsi->http.ah->frags[fi].len = lws_ptr_diff(pcolon, plain);
+		pcolon = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_AUTHORIZATION);
+		strncpy(pcolon, plain, ml - 1);
+		pcolon[ml - 1] = '\0';
+		lwsl_info("%s: basic auth accepted for %s\n", __func__,
+			 lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_AUTHORIZATION));
 	}
 
 #if defined(LWS_WITH_HTTP_PROXY)
@@ -1121,15 +1215,21 @@ lws_http_action(struct lws *wsi)
 	 * The mount is a reverse proxy?
 	 */
 
+	// lwsl_notice("%s: origin_protocol: %d\n", __func__, hit->origin_protocol);
+
 	if (hit->origin_protocol == LWSMPRO_HTTPS ||
 	    hit->origin_protocol == LWSMPRO_HTTP)  {
+		char ads[96], rpath[256], *pcolon, *pslash, unix_skt = 0;
 		struct lws_client_connect_info i;
-		char ads[96], rpath[256], *pcolon, *pslash, *p;
+		struct lws *cwsi;
 		int n, na;
 
 		memset(&i, 0, sizeof(i));
 		i.context = lws_get_context(wsi);
 
+		if (hit->origin[0] == '+')
+			unix_skt = 1;
+
 		pcolon = strchr(hit->origin, ':');
 		pslash = strchr(hit->origin, '/');
 		if (!pslash) {
@@ -1137,16 +1237,28 @@ lws_http_action(struct lws *wsi)
 				 hit->origin);
 			return -1;
 		}
-		if (pcolon > pslash)
-			pcolon = NULL;
 
-		if (pcolon)
-			n = pcolon - hit->origin;
-		else
-			n = pslash - hit->origin;
+		if (unix_skt) {
+			if (!pcolon) {
+				lwsl_err("Proxy mount origin for unix skt must "
+					 "have address delimited by :\n");
+
+				return -1;
+			}
+			n = lws_ptr_diff(pcolon, hit->origin);
+			pslash = pcolon;
+		} else {
+			if (pcolon > pslash)
+				pcolon = NULL;
+
+			if (pcolon)
+				n = (int)(pcolon - hit->origin);
+			else
+				n = (int)(pslash - hit->origin);
 
-		if (n >= (int)sizeof(ads) - 2)
-			n = sizeof(ads) - 2;
+			if (n >= (int)sizeof(ads) - 2)
+				n = sizeof(ads) - 2;
+		}
 
 		memcpy(ads, hit->origin, n);
 		ads[n] = '\0';
@@ -1160,41 +1272,75 @@ lws_http_action(struct lws *wsi)
 		if (pcolon)
 			i.port = atoi(pcolon + 1);
 
-		lws_snprintf(rpath, sizeof(rpath) - 1, "/%s/%s", pslash + 1,
-			     uri_ptr + hit->mountpoint_len);
+		n = lws_snprintf(rpath, sizeof(rpath) - 1, "/%s/%s",
+				 pslash + 1, uri_ptr + hit->mountpoint_len) - 2;
 		lws_clean_url(rpath);
 		na = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_URI_ARGS);
 		if (na) {
-			p = rpath + strlen(rpath);
-			*p++ = '?';
-			lws_hdr_copy(wsi, p, &rpath[sizeof(rpath) - 1] - p,
-				     WSI_TOKEN_HTTP_URI_ARGS);
-			while (--na) {
-				if (*p == '\0')
-					*p = '&';
-				p++;
+			char *p = rpath + n;
+
+			if (na >= (int)sizeof(rpath) - n - 2) {
+				lwsl_info("%s: query string %d longer "
+					  "than we can handle\n", __func__,
+					  na);
+
+				return -1;
 			}
-		}
 
+			*p++ = '?';
+			if (lws_hdr_copy(wsi, p,
+				     (int)(&rpath[sizeof(rpath) - 1] - p),
+				     WSI_TOKEN_HTTP_URI_ARGS) > 0)
+				while (na--) {
+					if (*p == '\0')
+						*p = '&';
+					p++;
+				}
+			*p = '\0';
+		}
 
 		i.path = rpath;
-		i.host = i.address;
+		if (i.address[0] != '+' ||
+		    !lws_hdr_simple_ptr(wsi, WSI_TOKEN_HOST))
+			i.host = i.address;
+		else
+			i.host = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HOST);
 		i.origin = NULL;
 		i.method = "GET";
+		i.alpn = "http/1.1";
 		i.parent_wsi = wsi;
-		i.uri_replace_from = hit->origin;
-		i.uri_replace_to = hit->mountpoint;
+		i.pwsi = &cwsi;
+
+	//	i.uri_replace_from = hit->origin;
+	//	i.uri_replace_to = hit->mountpoint;
 
-		lwsl_notice("proxying to %s port %d url %s, ssl %d, "
+		lwsl_info("proxying to %s port %d url %s, ssl %d, "
 			    "from %s, to %s\n",
 			    i.address, i.port, i.path, i.ssl_connection,
 			    i.uri_replace_from, i.uri_replace_to);
 
 		if (!lws_client_connect_via_info(&i)) {
 			lwsl_err("proxy connect fail\n");
+
+			/*
+			 * ... we can't do the proxy action, but we can
+			 * cleanly return him a 503 and a description
+			 */
+
+			lws_return_http_status(wsi,
+				HTTP_STATUS_SERVICE_UNAVAILABLE,
+				"<h1>Service Temporarily Unavailable</h1>"
+				"The server is temporarily unable to service "
+				"your request due to maintenance downtime or "
+				"capacity problems. Please try again later.");
+
 			return 1;
 		}
 
+		lwsl_info("%s: setting proxy clientside on %p (parent %p)\n",
+			  __func__, cwsi, lws_get_parent(cwsi));
+		cwsi->http.proxy_clientside = 1;
+
 		return 0;
 	}
 #endif
@@ -1219,7 +1365,7 @@ lws_http_action(struct lws *wsi)
 			return 1;
 		}
 
-		if (lws_bind_protocol(wsi, pp))
+		if (lws_bind_protocol(wsi, pp, "http action CALLBACK bind"))
 			return 1;
 
 		args.p = uri_ptr;
@@ -1245,7 +1391,7 @@ lws_http_action(struct lws *wsi)
 			return 1;
 
 		if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI)) {
-			n = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
+			m = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
 					    wsi->user_space,
 					    uri_ptr + hit->mountpoint_len,
 					    uri_len - hit->mountpoint_len);
@@ -1279,7 +1425,7 @@ lws_http_action(struct lws *wsi)
 	}
 #endif
 
-	n = (int)strlen(s);
+	n = uri_len - lws_ptr_diff(s, uri_ptr); // (int)strlen(s);
 	if (s[0] == '\0' || (n == 1 && s[n - 1] == '/'))
 		s = (char *)hit->def;
 	if (!s)
@@ -1290,10 +1436,11 @@ lws_http_action(struct lws *wsi)
 	wsi->cache_revalidate = hit->cache_revalidate;
 	wsi->cache_intermediaries = hit->cache_intermediaries;
 
-	n = 1;
+	m = 1;
 	if (hit->origin_protocol == LWSMPRO_FILE)
-		n = lws_http_serve(wsi, s, hit->origin, hit);
-	if (n) {
+		m = lws_http_serve(wsi, s, hit->origin, hit);
+
+	if (m > 0) {
 		/*
 		 * lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND, NULL);
 		 */
@@ -1302,20 +1449,22 @@ lws_http_action(struct lws *wsi)
 					lws_vhost_name_to_protocol(
 						wsi->vhost, hit->protocol);
 
-			if (lws_bind_protocol(wsi, pp))
+			lwsi_set_state(wsi, LRS_DOING_TRANSACTION);
+
+			if (lws_bind_protocol(wsi, pp, "http_action HTTP"))
 				return 1;
 
-			n = pp->callback(wsi, LWS_CALLBACK_HTTP,
+			m = pp->callback(wsi, LWS_CALLBACK_HTTP,
 					 wsi->user_space,
 					 uri_ptr + hit->mountpoint_len,
 					 uri_len - hit->mountpoint_len);
 		} else
-			n = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
+			m = wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP,
 				    wsi->user_space, uri_ptr, uri_len);
 	}
 
 after:
-	if (n) {
+	if (m) {
 		lwsl_info("LWS_CALLBACK_HTTP closing\n");
 
 		return 1;
@@ -1337,9 +1486,35 @@ deal_body:
 		lwsl_debug("wsi->http.rx_content_length %lld %d %d\n",
 			   (long long)wsi->http.rx_content_length,
 			   wsi->upgraded_to_http2, wsi->http2_substream);
+
+		if (wsi->http.content_length_explicitly_zero &&
+		    lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI)) {
+
+			/*
+			 * POST with an explicit content-length of zero
+			 *
+			 * If we don't give the user code the empty HTTP_BODY
+			 * callback, he may become confused to hear the
+			 * HTTP_BODY_COMPLETION (due to, eg, instantiation of
+			 * lws_spa never happened).
+			 *
+			 * HTTP_BODY_COMPLETION is responsible for sending the
+			 * result status code and result body if any, and
+			 * do the transaction complete processing.
+			 */
+			if (wsi->protocol->callback(wsi,
+					LWS_CALLBACK_HTTP_BODY,
+					wsi->user_space, NULL, 0))
+				return 1;
+			if (wsi->protocol->callback(wsi,
+					LWS_CALLBACK_HTTP_BODY_COMPLETION,
+					wsi->user_space, NULL, 0))
+				return 1;
+
+			return 0;
+		}
+
 		if (wsi->http.rx_content_length > 0) {
-			struct lws_tokens ebuf;
-			int m;
 
 			lwsi_set_state(wsi, LRS_BODY);
 			lwsl_info("%s: %p: LRS_BODY state set (0x%x)\n",
@@ -1355,12 +1530,18 @@ deal_body:
 			 */
 
 			while (1) {
+				struct lws_tokens ebuf;
+				int m;
+
 				ebuf.len = (int)lws_buflist_next_segment_len(
-						&wsi->buflist, (uint8_t **)&ebuf.token);
+						&wsi->buflist,
+						(uint8_t **)&ebuf.token);
 				if (!ebuf.len)
 					break;
-				lwsl_notice("%s: consuming %d\n", __func__, (int)ebuf.len);
-				m = lws_read_h1(wsi, (uint8_t *)ebuf.token, ebuf.len);
+				lwsl_notice("%s: consuming %d\n", __func__,
+							(int)ebuf.len);
+				m = lws_read_h1(wsi, (uint8_t *)ebuf.token,
+						ebuf.len);
 				if (m < 0)
 					return -1;
 
@@ -1384,6 +1565,75 @@ transaction_result_n:
 }
 
 int
+lws_confirm_host_header(struct lws *wsi)
+{
+	struct lws_tokenize ts;
+	lws_tokenize_elem e;
+	char buf[128];
+	int port = 80;
+
+	/*
+	 * this vhost wants us to validate what the
+	 * client sent against our vhost name
+	 */
+
+	if (!lws_hdr_total_length(wsi, WSI_TOKEN_HOST)) {
+		lwsl_info("%s: missing host on upgrade\n", __func__);
+
+		return 1;
+	}
+
+#if defined(LWS_WITH_TLS)
+	if (wsi->tls.ssl)
+		port = 443;
+#endif
+
+	lws_tokenize_init(&ts, buf, LWS_TOKENIZE_F_DOT_NONTERM /* server.com */|
+				    LWS_TOKENIZE_F_NO_FLOATS /* 1.server.com */|
+				    LWS_TOKENIZE_F_MINUS_NONTERM /* a-b.com */);
+	ts.len = lws_hdr_copy(wsi, buf, sizeof(buf) - 1, WSI_TOKEN_HOST);
+	if (ts.len <= 0) {
+		lwsl_info("%s: missing or oversize host header\n", __func__);
+		return 1;
+	}
+
+	if (lws_tokenize(&ts) != LWS_TOKZE_TOKEN)
+		goto bad_format;
+
+	if (strncmp(ts.token, wsi->vhost->name, ts.token_len)) {
+		buf[(ts.token - buf) + ts.token_len] = '\0';
+		lwsl_info("%s: '%s' in host hdr but vhost name %s\n",
+			  __func__, ts.token, wsi->vhost->name);
+		return 1;
+	}
+
+	e = lws_tokenize(&ts);
+	if (e == LWS_TOKZE_DELIMITER && ts.token[0] == ':') {
+		if (lws_tokenize(&ts) != LWS_TOKZE_INTEGER)
+			goto bad_format;
+		else
+			port = atoi(ts.token);
+	} else
+		if (e != LWS_TOKZE_ENDED)
+			goto bad_format;
+
+	if (wsi->vhost->listen_port != port) {
+		lwsl_info("%s: host port %d mismatches vhost port %d\n",
+			  __func__, port, wsi->vhost->listen_port);
+		return 1;
+	}
+
+	lwsl_debug("%s: host header OK\n", __func__);
+
+	return 0;
+
+bad_format:
+	lwsl_info("%s: bad host header format\n", __func__);
+
+	return 1;
+}
+
+int
 lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len)
 {
 	struct lws_context *context = lws_get_context(wsi);
@@ -1427,7 +1677,8 @@ raw_transition:
 				lws_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
 				lws_bind_protocol(wsi, &wsi->vhost->protocols[
 				                        wsi->vhost->
-				                        raw_protocol_index]);
+				                        raw_protocol_index],
+						__func__);
 				lwsl_info("transition to raw vh %s prot %d\n",
 					  wsi->vhost->name,
 					  wsi->vhost->raw_protocol_index);
@@ -1440,7 +1691,7 @@ raw_transition:
 						    &role_ops_raw_skt);
 				lws_header_table_detach(wsi, 1);
 
-				if (m == 2 && (wsi->protocol->callback)(wsi,
+				if (wsi->protocol->callback(wsi,
 						LWS_CALLBACK_RAW_RX,
 						wsi->user_space, obuf, olen))
 					return 1;
@@ -1458,13 +1709,14 @@ raw_transition:
 
 		/* select vhost */
 
-		if (lws_hdr_total_length(wsi, WSI_TOKEN_HOST)) {
+		if (wsi->vhost->listen_port &&
+		    lws_hdr_total_length(wsi, WSI_TOKEN_HOST)) {
 			struct lws_vhost *vhost = lws_select_vhost(
 				context, wsi->vhost->listen_port,
 				lws_hdr_simple_ptr(wsi, WSI_TOKEN_HOST));
 
 			if (vhost)
-				wsi->vhost = vhost;
+				lws_vhost_bind_wsi(vhost, wsi);
 		} else
 			lwsl_info("no host\n");
 
@@ -1506,7 +1758,7 @@ raw_transition:
 							&uri_ptr, &uri_len);
 					if (meth >= 0)
 						lws_prepare_access_log_info(wsi,
-								uri_ptr, meth);
+							uri_ptr, uri_len, meth);
 
 					/* wsi close will do the log */
 #endif
@@ -1532,12 +1784,49 @@ raw_transition:
 		lwsi_set_state(wsi, LRS_PRE_WS_SERVING_ACCEPT);
 		lws_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
 
-		/* is this websocket protocol or normal http 1.0? */
-
 		if (lws_hdr_total_length(wsi, WSI_TOKEN_UPGRADE)) {
-			if (!strcasecmp(lws_hdr_simple_ptr(wsi,
-							   WSI_TOKEN_UPGRADE),
-					"websocket")) {
+
+			const char *up = lws_hdr_simple_ptr(wsi,
+							    WSI_TOKEN_UPGRADE);
+
+			if (strcasecmp(up, "websocket") &&
+			    strcasecmp(up, "h2c")) {
+				lwsl_info("Unknown upgrade '%s'\n", up);
+
+				if (lws_return_http_status(wsi,
+						HTTP_STATUS_FORBIDDEN, NULL) ||
+				    lws_http_transaction_completed(wsi))
+					goto bail_nuke_ah;
+			}
+
+			n = user_callback_handle_rxflow(wsi->protocol->callback,
+					wsi, LWS_CALLBACK_HTTP_CONFIRM_UPGRADE,
+					wsi->user_space, (char *)up, 0);
+
+			/* just hang up? */
+
+			if (n < 0)
+				goto bail_nuke_ah;
+
+			/* callback returned headers already, do t_c? */
+
+			if (n > 0) {
+				if (lws_http_transaction_completed(wsi))
+					goto bail_nuke_ah;
+
+				/* continue on */
+
+				return 0;
+			}
+
+			/* callback said 0, it was allowed */
+
+			if (wsi->vhost->options &
+			    LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK &&
+			    lws_confirm_host_header(wsi))
+				goto bail_nuke_ah;
+
+			if (!strcasecmp(up, "websocket")) {
 #if defined(LWS_ROLE_WS)
 				wsi->vhost->conn_stats.ws_upg++;
 				lwsl_info("Upgrade to ws\n");
@@ -1545,17 +1834,12 @@ raw_transition:
 #endif
 			}
 #if defined(LWS_WITH_HTTP2)
-			if (!strcasecmp(lws_hdr_simple_ptr(wsi,
-							   WSI_TOKEN_UPGRADE),
-					"h2c")) {
+			if (!strcasecmp(up, "h2c")) {
 				wsi->vhost->conn_stats.h2_upg++;
 				lwsl_info("Upgrade to h2c\n");
 				goto upgrade_h2c;
 			}
 #endif
-			lwsl_info("Unknown upgrade\n");
-			/* dunno what he wanted to upgrade to */
-			goto bail_nuke_ah;
 		}
 
 		/* no upgrade ack... he remained as HTTP */
@@ -1565,6 +1849,10 @@ raw_transition:
 		lwsi_set_state(wsi, LRS_ESTABLISHED);
 		wsi->http.fop_fd = NULL;
 
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+		lws_http_compression_validate(wsi);
+#endif
+
 		lwsl_debug("%s: wsi %p: ah %p\n", __func__, (void *)wsi,
 			   (void *)wsi->http.ah);
 
@@ -1641,91 +1929,17 @@ bail_nuke_ah:
 }
 
 
-static int
-lws_get_idlest_tsi(struct lws_context *context)
-{
-	unsigned int lowest = ~0;
-	int n = 0, hit = -1;
-
-	for (; n < context->count_threads; n++) {
-		if ((unsigned int)context->pt[n].fds_count !=
-		    context->fd_limit_per_thread - 1 &&
-		    (unsigned int)context->pt[n].fds_count < lowest) {
-			lowest = context->pt[n].fds_count;
-			hit = n;
-		}
-	}
-
-	return hit;
-}
-
-struct lws *
-lws_create_new_server_wsi(struct lws_vhost *vhost, int fixed_tsi)
-{
-	struct lws *new_wsi;
-	int n = fixed_tsi;
-
-	if (n < 0)
-		n = lws_get_idlest_tsi(vhost->context);
-
-	if (n < 0) {
-		lwsl_err("no space for new conn\n");
-		return NULL;
-	}
-
-	new_wsi = lws_zalloc(sizeof(struct lws), "new server wsi");
-	if (new_wsi == NULL) {
-		lwsl_err("Out of memory for new connection\n");
-		return NULL;
-	}
-
-	new_wsi->tsi = n;
-	lwsl_debug("new wsi %p joining vhost %s, tsi %d\n", new_wsi,
-		   vhost->name, new_wsi->tsi);
-
-	new_wsi->vhost = vhost;
-	new_wsi->context = vhost->context;
-	new_wsi->pending_timeout = NO_PENDING_TIMEOUT;
-	new_wsi->rxflow_change_to = LWS_RXFLOW_ALLOW;
-
-	/* initialize the instance struct */
-
-	lwsi_set_state(new_wsi, LRS_UNCONNECTED);
-	new_wsi->hdr_parsing_completed = 0;
-
-#ifdef LWS_WITH_TLS
-	new_wsi->tls.use_ssl = LWS_SSL_ENABLED(vhost);
-#endif
-
-	/*
-	 * these can only be set once the protocol is known
-	 * we set an un-established connection's protocol pointer
-	 * to the start of the supported list, so it can look
-	 * for matching ones during the handshake
-	 */
-	new_wsi->protocol = vhost->protocols;
-	new_wsi->user_space = NULL;
-	new_wsi->desc.sockfd = LWS_SOCK_INVALID;
-	new_wsi->position_in_fds_table = LWS_NO_FDS_POS;
-
-	vhost->context->count_wsi_allocated++;
-
-	/*
-	 * outermost create notification for wsi
-	 * no user_space because no protocol selection
-	 */
-	vhost->protocols[0].callback(new_wsi, LWS_CALLBACK_WSI_CREATE,
-				       NULL, NULL, 0);
-
-	return new_wsi;
-}
-
 LWS_VISIBLE int LWS_WARN_UNUSED_RESULT
 lws_http_transaction_completed(struct lws *wsi)
 {
 	int n = NO_PENDING_TIMEOUT;
 
-	if (wsi->trunc_len) {
+	if (lws_has_buffered_out(wsi)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+			|| wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more
+#endif
+	) {
 		/*
 		 * ...so he tried to send something large as the http reply,
 		 * it went as a partial, but he immediately said the
@@ -1734,14 +1948,18 @@ lws_http_transaction_completed(struct lws *wsi)
 		 * Defer the transaction completed until the last part of the
 		 * partial is sent.
 		 */
-		lwsl_notice("%s: deferring due to partial\n", __func__);
+		lwsl_debug("%s: %p: deferring due to partial\n", __func__, wsi);
 		wsi->http.deferred_transaction_completed = 1;
+		lws_callback_on_writable(wsi);
 
 		return 0;
 	}
 
 	lwsl_info("%s: wsi %p\n", __func__, wsi);
 
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	lws_http_compression_destroy(wsi);
+#endif
 	lws_access_log(wsi);
 
 	if (!wsi->hdr_parsing_completed) {
@@ -1755,17 +1973,17 @@ lws_http_transaction_completed(struct lws *wsi)
 
 	/* if we can't go back to accept new headers, drop the connection */
 	if (wsi->http2_substream)
-		return 0;
+		return 1;
 
 	if (wsi->seen_zero_length_recv)
 		return 1;
 
-	if (wsi->http.connection_type != HTTP_CONNECTION_KEEP_ALIVE) {
-		lwsl_notice("%s: %p: close connection\n", __func__, wsi);
+	if (wsi->http.conn_type != HTTP_CONNECTION_KEEP_ALIVE) {
+		lwsl_info("%s: %p: close connection\n", __func__, wsi);
 		return 1;
 	}
 
-	if (lws_bind_protocol(wsi, &wsi->vhost->protocols[0]))
+	if (lws_bind_protocol(wsi, &wsi->vhost->protocols[0], __func__))
 		return 1;
 
 	/*
@@ -1780,6 +1998,7 @@ lws_http_transaction_completed(struct lws *wsi)
 	wsi->http.tx_content_length = 0;
 	wsi->http.tx_content_remain = 0;
 	wsi->hdr_parsing_completed = 0;
+	wsi->sending_chunked = 0;
 #ifdef LWS_WITH_ACCESS_LOG
 	wsi->http.access_log.sent = 0;
 #endif
@@ -1803,7 +2022,7 @@ lws_http_transaction_completed(struct lws *wsi)
 	if (wsi->http.ah) {
 		// lws_buflist_describe(&wsi->buflist, wsi);
 		if (!lws_buflist_next_segment_len(&wsi->buflist, NULL)) {
-			lwsl_info("%s: %p: nothing in buflist so detaching ah\n",
+			lwsl_debug("%s: %p: nothing in buflist, detaching ah\n",
 				  __func__, wsi);
 			lws_header_table_detach(wsi, 1);
 #ifdef LWS_WITH_TLS
@@ -1823,7 +2042,7 @@ lws_http_transaction_completed(struct lws *wsi)
 			}
 #endif
 		} else {
-			lwsl_info("%s: %p: resetting and keeping ah as pipeline\n",
+			lwsl_info("%s: %p: resetting/keeping ah as pipeline\n",
 				  __func__, wsi);
 			lws_header_table_reset(wsi, 0);
 			/*
@@ -1839,360 +2058,41 @@ lws_http_transaction_completed(struct lws *wsi)
 		if (wsi->http.ah)
 			wsi->http.ah->ues = URIES_IDLE;
 
-		//lwsi_set_state(wsi, LRS_ESTABLISHED);
+		//lwsi_set_state(wsi, LRS_ESTABLISHED); // !!!
 	} else
 		if (lws_buflist_next_segment_len(&wsi->buflist, NULL))
 			if (lws_header_table_attach(wsi, 0))
 				lwsl_debug("acquired ah\n");
 
-	lwsl_info("%s: %p: keep-alive await new transaction\n", __func__, wsi);
+	lwsl_debug("%s: %p: keep-alive await new transaction (state 0x%x)\n",
+			__func__, wsi, wsi->wsistate);
 	lws_callback_on_writable(wsi);
 
 	return 0;
 }
 
-/* if not a socket, it's a raw, non-ssl file descriptor */
-
-LWS_VISIBLE struct lws *
-lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
-			   lws_sock_file_fd_type fd, const char *vh_prot_name,
-			   struct lws *parent)
-{
-	struct lws_context *context = vh->context;
-	struct lws *new_wsi;
-	struct lws_context_per_thread *pt;
-	int n, ssl = 0;
-
-#if defined(LWS_WITH_PEER_LIMITS)
-	struct lws_peer *peer = NULL;
-
-	if (type & LWS_ADOPT_SOCKET && !(type & LWS_ADOPT_WS_PARENTIO)) {
-		peer = lws_get_or_create_peer(vh, fd.sockfd);
-
-		if (peer && context->ip_limit_wsi &&
-		    peer->count_wsi >= context->ip_limit_wsi) {
-			lwsl_notice("Peer reached wsi limit %d\n",
-					context->ip_limit_wsi);
-			lws_stats_atomic_bump(context, &context->pt[0],
-					      LWSSTATS_C_PEER_LIMIT_WSI_DENIED, 1);
-			return NULL;
-		}
-	}
-#endif
-
-	n = -1;
-	if (parent)
-		n = parent->tsi;
-	new_wsi = lws_create_new_server_wsi(vh, n);
-	if (!new_wsi) {
-		if (type & LWS_ADOPT_SOCKET && !(type & LWS_ADOPT_WS_PARENTIO))
-			compatible_close(fd.sockfd);
-		return NULL;
-	}
-#if defined(LWS_WITH_PEER_LIMITS)
-	if (peer)
-		lws_peer_add_wsi(context, peer, new_wsi);
-#endif
-	pt = &context->pt[(int)new_wsi->tsi];
-	lws_stats_atomic_bump(context, pt, LWSSTATS_C_CONNECTIONS, 1);
-
-	if (parent) {
-		new_wsi->parent = parent;
-		new_wsi->sibling_list = parent->child_list;
-		parent->child_list = new_wsi;
-
-		if (type & LWS_ADOPT_WS_PARENTIO)
-			new_wsi->parent_carries_io = 1;
-	}
-
-	new_wsi->desc = fd;
-
-	if (vh_prot_name) {
-		new_wsi->protocol = lws_vhost_name_to_protocol(new_wsi->vhost,
-							       vh_prot_name);
-		if (!new_wsi->protocol) {
-			lwsl_err("Protocol %s not enabled on vhost %s\n",
-				 vh_prot_name, new_wsi->vhost->name);
-			goto bail;
-		}
-               if (lws_ensure_user_space(new_wsi)) {
-                       lwsl_notice("OOM trying to get user_space\n");
-			goto bail;
-               }
-#if defined(LWS_ROLE_WS)
-               if (type & LWS_ADOPT_WS_PARENTIO) {
-			new_wsi->desc.sockfd = LWS_SOCK_INVALID;
-			lwsl_debug("binding to %s\n", new_wsi->protocol->name);
-			lws_bind_protocol(new_wsi, new_wsi->protocol);
-			lws_role_transition(new_wsi, LWSIFR_SERVER,
-					    LRS_ESTABLISHED, &role_ops_ws);
-			/* allocate the ws struct for the wsi */
-			new_wsi->ws = lws_zalloc(sizeof(*new_wsi->ws), "ws struct");
-			if (!new_wsi->ws) {
-				lwsl_notice("OOM\n");
-				goto bail;
-			}
-			lws_server_init_wsi_for_ws(new_wsi);
-
-			return new_wsi;
-               }
-#endif
-	} else
-#if defined(LWS_ROLE_H1)
-		if (type & LWS_ADOPT_HTTP) {/* he will transition later */
-			new_wsi->protocol =
-				&vh->protocols[vh->default_protocol_index];
-			new_wsi->role_ops = &role_ops_h1;
-		}
-		else
-#endif
-		{ /* this is the only time he will transition */
-			lws_bind_protocol(new_wsi,
-				&vh->protocols[vh->raw_protocol_index]);
-			lws_role_transition(new_wsi, 0, LRS_ESTABLISHED,
-					    &role_ops_raw_skt);
-		}
-
-	if (type & LWS_ADOPT_SOCKET) { /* socket desc */
-		lwsl_debug("%s: new wsi %p, sockfd %d\n", __func__, new_wsi,
-			   (int)(lws_intptr_t)fd.sockfd);
-#if !defined(LWS_WITH_ESP32)
-		if (type & LWS_ADOPT_FLAG_UDP)
-			/*
-			 * these can be >128 bytes, so just alloc for UDP
-			 */
-			new_wsi->udp = lws_malloc(sizeof(*new_wsi->udp),
-						     "udp struct");
-#endif
-
-		if (type & LWS_ADOPT_HTTP)
-			/* the transport is accepted...
-			 * give him time to negotiate */
-			lws_set_timeout(new_wsi,
-					PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
-					context->timeout_secs);
-
-	} else /* file desc */
-		lwsl_debug("%s: new wsi %p, filefd %d\n", __func__, new_wsi,
-			   (int)(lws_intptr_t)fd.filefd);
-
-	/*
-	 * A new connection was accepted. Give the user a chance to
-	 * set properties of the newly created wsi. There's no protocol
-	 * selected yet so we issue this to the vhosts's default protocol,
-	 * itself by default protocols[0]
-	 */
-	n = LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED;
-	if (!(type & LWS_ADOPT_HTTP)) {
-		if (!(type & LWS_ADOPT_SOCKET))
-			n = LWS_CALLBACK_RAW_ADOPT_FILE;
-		else
-			n = LWS_CALLBACK_RAW_ADOPT;
-	}
-
-	if (!LWS_SSL_ENABLED(new_wsi->vhost) || !(type & LWS_ADOPT_ALLOW_SSL) ||
-	    !(type & LWS_ADOPT_SOCKET)) {
-		/* non-SSL */
-		if (!(type & LWS_ADOPT_HTTP)) {
-			if (!(type & LWS_ADOPT_SOCKET))
-				lws_role_transition(new_wsi, 0, LRS_ESTABLISHED,
-						    &role_ops_raw_file);
-			else
-				lws_role_transition(new_wsi, 0, LRS_ESTABLISHED,
-						    &role_ops_raw_skt);
-		}
-#if defined(LWS_ROLE_H1)
-		else
-			lws_role_transition(new_wsi, LWSIFR_SERVER,
-					    LRS_HEADERS, &role_ops_h1);
-#endif
-	} else {
-		/* SSL */
-		if (!(type & LWS_ADOPT_HTTP))
-			lws_role_transition(new_wsi, 0, LRS_SSL_INIT,
-					    &role_ops_raw_skt);
-#if defined(LWS_ROLE_H1)
-		else
-			lws_role_transition(new_wsi, LWSIFR_SERVER,
-					    LRS_SSL_INIT, &role_ops_h1);
-#endif
-		ssl = 1;
-	}
-
-	lwsl_debug("new wsi wsistate 0x%x\n", new_wsi->wsistate);
-
-	if (context->event_loop_ops->accept)
-		context->event_loop_ops->accept(new_wsi);
-
-	if (!ssl) {
-		lws_pt_lock(pt, __func__);
-		if (__insert_wsi_socket_into_fds(context, new_wsi)) {
-			lws_pt_unlock(pt);
-			lwsl_err("%s: fail inserting socket\n", __func__);
-			goto fail;
-		}
-		lws_pt_unlock(pt);
-	} else
-		if (lws_server_socket_service_ssl(new_wsi, fd.sockfd)) {
-			lwsl_info("%s: fail ssl negotiation\n", __func__);
-			goto fail;
-		}
-
-	/*
-	 *  by deferring callback to this point, after insertion to fds,
-	 * lws_callback_on_writable() can work from the callback
-	 */
-	if ((new_wsi->protocol->callback)(
-			new_wsi, n, new_wsi->user_space, NULL, 0))
-		goto fail;
-
-	if (type & LWS_ADOPT_HTTP) {
-		if (!lws_header_table_attach(new_wsi, 0))
-			lwsl_debug("Attached ah immediately\n");
-		else
-			lwsl_info("%s: waiting for ah\n", __func__);
-	}
-
-	lws_cancel_service_pt(new_wsi);
-
-	return new_wsi;
-
-fail:
-	if (type & LWS_ADOPT_SOCKET)
-		lws_close_free_wsi(new_wsi, LWS_CLOSE_STATUS_NOSTATUS, "adopt skt fail");
-
-	return NULL;
-
-bail:
-       lwsl_notice("%s: exiting on bail\n", __func__);
-	if (parent)
-		parent->child_list = new_wsi->sibling_list;
-	if (new_wsi->user_space)
-		lws_free(new_wsi->user_space);
-	lws_free(new_wsi);
-       compatible_close(fd.sockfd);
-
-	return NULL;
-}
-
-LWS_VISIBLE struct lws *
-lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd)
-{
-	lws_sock_file_fd_type fd;
-
-	fd.sockfd = accept_fd;
-	return lws_adopt_descriptor_vhost(vh, LWS_ADOPT_SOCKET |
-			LWS_ADOPT_HTTP | LWS_ADOPT_ALLOW_SSL, fd, NULL, NULL);
-}
-
-LWS_VISIBLE struct lws *
-lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd)
-{
-	return lws_adopt_socket_vhost(context->vhost_list, accept_fd);
-}
-
-/* Common read-buffer adoption for lws_adopt_*_readbuf */
-static struct lws*
-adopt_socket_readbuf(struct lws *wsi, const char *readbuf, size_t len)
-{
-	struct lws_context_per_thread *pt;
-	struct lws_pollfd *pfd;
-	int n;
-
-	if (!wsi)
-		return NULL;
-
-	if (!readbuf || len == 0)
-		return wsi;
-
-	if (wsi->position_in_fds_table == LWS_NO_FDS_POS)
-		return wsi;
-
-	pt = &wsi->context->pt[(int)wsi->tsi];
-
-	n = lws_buflist_append_segment(&wsi->buflist, (const uint8_t *)readbuf, len);
-	if (n < 0)
-		goto bail;
-	if (n)
-		lws_dll_lws_add_front(&wsi->dll_buflist, &pt->dll_head_buflist);
-
-	/*
-	 * we can't process the initial read data until we can attach an ah.
-	 *
-	 * if one is available, get it and place the data in his ah rxbuf...
-	 * wsi with ah that have pending rxbuf get auto-POLLIN service.
-	 *
-	 * no autoservice because we didn't get a chance to attach the
-	 * readbuf data to wsi or ah yet, and we will do it next if we get
-	 * the ah.
-	 */
-	if (wsi->http.ah || !lws_header_table_attach(wsi, 0)) {
-
-		lwsl_notice("%s: calling service on readbuf ah\n", __func__);
-
-		/* unlike a normal connect, we have the headers already
-		 * (or the first part of them anyway).
-		 * libuv won't come back and service us without a network
-		 * event, so we need to do the header service right here.
-		 */
-		pfd = &pt->fds[wsi->position_in_fds_table];
-		pfd->revents |= LWS_POLLIN;
-		lwsl_err("%s: calling service\n", __func__);
-		if (lws_service_fd_tsi(wsi->context, pfd, wsi->tsi))
-			/* service closed us */
-			return NULL;
-
-		return wsi;
-	}
-	lwsl_err("%s: deferring handling ah\n", __func__);
-
-	return wsi;
-
-bail:
-	lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "adopt skt readbuf fail");
-
-	return NULL;
-}
-
-LWS_VISIBLE struct lws *
-lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
-			 const char *readbuf, size_t len)
-{
-        return adopt_socket_readbuf(lws_adopt_socket(context, accept_fd),
-        			    readbuf, len);
-}
-
-LWS_VISIBLE struct lws *
-lws_adopt_socket_vhost_readbuf(struct lws_vhost *vhost,
-			       lws_sockfd_type accept_fd,
-			       const char *readbuf, size_t len)
-{
-        return adopt_socket_readbuf(lws_adopt_socket_vhost(vhost, accept_fd),
-        			    readbuf, len);
-}
 
 LWS_VISIBLE int
 lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
 		    const char *other_headers, int other_headers_len)
 {
-	static const char * const intermediates[] = { "private", "public" };
 	struct lws_context *context = lws_get_context(wsi);
 	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+	unsigned char *response = pt->serv_buf + LWS_PRE;
 #if defined(LWS_WITH_RANGES)
 	struct lws_range_parsing *rp = &wsi->http.range;
 #endif
+	int ret = 0, cclen = 8, n = HTTP_STATUS_OK;
 	char cache_control[50], *cc = "no-store";
-	unsigned char *response = pt->serv_buf + LWS_PRE;
+	lws_fop_flags_t fflags = LWS_O_RDONLY;
+	const struct lws_plat_file_ops *fops;
+	lws_filepos_t total_content_length;
 	unsigned char *p = response;
 	unsigned char *end = p + context->pt_serv_buf_size - LWS_PRE;
-	lws_filepos_t total_content_length;
-	int ret = 0, cclen = 8, n = HTTP_STATUS_OK;
-	lws_fop_flags_t fflags = LWS_O_RDONLY;
+	const char *vpath;
 #if defined(LWS_WITH_RANGES)
 	int ranges;
 #endif
-	const struct lws_plat_file_ops *fops;
-	const char *vpath;
 
 	if (wsi->handling_404)
 		n = HTTP_STATUS_NOT_FOUND;
@@ -2212,7 +2112,8 @@ lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
 		if (!wsi->http.fop_fd) {
 			lwsl_info("%s: Unable to open: '%s': errno %d\n",
 				  __func__, file, errno);
-			if (lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND, NULL))
+			if (lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND,
+						   NULL))
 						return -1;
 			return !wsi->http2_substream;
 		}
@@ -2233,14 +2134,14 @@ lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
 	 */
 	if (ranges < 0) {
 		/* it means he expressed a range in Range:, but it was illegal */
-		lws_return_http_status(wsi, HTTP_STATUS_REQ_RANGE_NOT_SATISFIABLE,
-				       NULL);
+		lws_return_http_status(wsi,
+				HTTP_STATUS_REQ_RANGE_NOT_SATISFIABLE, NULL);
 		if (lws_http_transaction_completed(wsi))
 			return -1; /* <0 means just hang up */
 
 		lws_vfs_file_close(&wsi->http.fop_fd);
 
-		return 0; /* == 0 means we dealt with the transaction complete */
+		return 0; /* == 0 means we did the transaction complete */
 	}
 	if (ranges)
 		n = HTTP_STATUS_PARTIAL_CONTENT;
@@ -2258,6 +2159,20 @@ lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
 			return -1;
 		lwsl_info("file is being provided in gzip\n");
 	}
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	else {
+		/*
+		 * if we know its very compressible, and we can use
+		 * compression, then use the most preferred compression
+		 * method that the client said he will accept
+		 */
+
+		if (!strncmp(content_type, "text/", 5) ||
+		    !strcmp(content_type, "application/javascript") ||
+		    !strcmp(content_type, "image/svg+xml"))
+			lws_http_compression_apply(wsi, NULL, &p, end, 0);
+	}
+#endif
 
 	if (
 #if defined(LWS_WITH_RANGES)
@@ -2339,40 +2254,78 @@ lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
 #endif
 
 	if (!wsi->http2_substream) {
-		if (!wsi->sending_chunked) {
+		/* for http/1.1 ... */
+		if (!wsi->sending_chunked
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+				&& !wsi->http.lcs
+#endif
+		) {
+			/* ... if not already using chunked and not using an
+			 * http compression translation, then send the naive
+			 * content length
+			 */
 			if (lws_add_http_header_content_length(wsi,
-						total_content_length,
-					       &p, end))
+						total_content_length, &p, end))
 				return -1;
 		} else {
-			if (lws_add_http_header_by_token(wsi,
-						 WSI_TOKEN_HTTP_TRANSFER_ENCODING,
-						 (unsigned char *)"chunked",
-						 7, &p, end))
-				return -1;
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+			if (wsi->http.lcs) {
+
+				/* ...otherwise, for http 1 it must go chunked.
+				 * For the compression case, the reason is we
+				 * compress on the fly and do not know the
+				 * compressed content-length until it has all
+				 * been sent.  Http/1.1 pipelining must be able
+				 * to know where the transaction boundaries are
+				 * ... so chunking...
+				 */
+				if (lws_add_http_header_by_token(wsi,
+						WSI_TOKEN_HTTP_TRANSFER_ENCODING,
+						(unsigned char *)"chunked", 7,
+						&p, end))
+					return -1;
+
+				/*
+				 * ...this is fun, isn't it :-)  For h1 that is
+				 * using an http compression translation, the
+				 * compressor must chunk its output privately.
+				 *
+				 * h2 doesn't need (or support) any of this
+				 * crap.
+				 */
+				lwsl_debug("setting chunking\n");
+				wsi->http.comp_ctx.chunking = 1;
+			}
+#endif
 		}
 	}
 
 	if (wsi->cache_secs && wsi->cache_reuse) {
-		if (wsi->cache_revalidate) {
+		if (!wsi->cache_revalidate) {
 			cc = cache_control;
-			cclen = sprintf(cache_control, "%s max-age: %u",
+			cclen = sprintf(cache_control, "%s, max-age=%u",
 				    intermediates[wsi->cache_intermediaries],
 				    wsi->cache_secs);
 		} else {
-			cc = "no-cache";
-			cclen = 8;
+			cc = cache_control;
+			cclen = sprintf(cache_control,
+					"must-revalidate, %s, max-age=%u",
+                                intermediates[wsi->cache_intermediaries],
+                                                    wsi->cache_secs);
+
 		}
 	}
 
-	if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CACHE_CONTROL,
-			(unsigned char *)cc, cclen, &p, end))
-		return -1;
-
-	if (wsi->http.connection_type == HTTP_CONNECTION_KEEP_ALIVE)
-		if (lws_add_http_header_by_token(wsi, WSI_TOKEN_CONNECTION,
-				(unsigned char *)"keep-alive", 10, &p, end))
+	/* Only add cache control if its not specified by any other_headers. */
+	if (!other_headers ||
+	    (!strstr(other_headers, "cache-control") &&
+	     !strstr(other_headers, "Cache-Control"))) {
+		if (lws_add_http_header_by_token(wsi,
+				WSI_TOKEN_HTTP_CACHE_CONTROL,
+				(unsigned char *)cc, cclen, &p, end))
 			return -1;
+	}
 
 	if (other_headers) {
 		if ((end - p) < other_headers_len)
@@ -2415,16 +2368,37 @@ LWS_VISIBLE int lws_serve_http_file_fragment(struct lws *wsi)
 
 	do {
 
-		if (wsi->trunc_len) {
-			if (lws_issue_raw(wsi, wsi->trunc_alloc +
-					  wsi->trunc_offset,
-					  wsi->trunc_len) < 0) {
+		/* priority 1: buffered output */
+
+		if (lws_has_buffered_out(wsi)) {
+			if (lws_issue_raw(wsi, NULL, 0) < 0) {
 				lwsl_info("%s: closing\n", __func__);
 				goto file_had_it;
 			}
 			break;
 		}
 
+		/* priority 2: buffered pre-compression-transform */
+
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+	if (wsi->http.comp_ctx.buflist_comp ||
+	    wsi->http.comp_ctx.may_have_more) {
+		enum lws_write_protocol wp = LWS_WRITE_HTTP;
+
+		lwsl_info("%s: completing comp partial (buflist %p, may %d)\n",
+			   __func__, wsi->http.comp_ctx.buflist_comp,
+			   wsi->http.comp_ctx.may_have_more);
+
+		if (wsi->role_ops->write_role_protocol(wsi, NULL, 0, &wp) < 0) {
+			lwsl_info("%s signalling to close\n", __func__);
+			goto file_had_it;
+		}
+		lws_callback_on_writable(wsi);
+
+		break;
+	}
+#endif
+
 		if (wsi->http.filepos == wsi->http.filelen)
 			goto all_sent;
 
@@ -2453,7 +2427,8 @@ LWS_VISIBLE int lws_serve_http_file_fragment(struct lws *wsi)
 						LWS_H2_FRAME_HEADER_LENGTH,
 					"_lws\x0d\x0a"
 					"Content-Type: %s\x0d\x0a"
-					"Content-Range: bytes %llu-%llu/%llu\x0d\x0a"
+					"Content-Range: bytes "
+						"%llu-%llu/%llu\x0d\x0a"
 					"\x0d\x0a",
 					wsi->http.multipart_content_type,
 					wsi->http.range.start,
@@ -2468,7 +2443,8 @@ LWS_VISIBLE int lws_serve_http_file_fragment(struct lws *wsi)
 		}
 #endif
 
-		poss = context->pt_serv_buf_size - n - LWS_H2_FRAME_HEADER_LENGTH;
+		poss = context->pt_serv_buf_size - n -
+				LWS_H2_FRAME_HEADER_LENGTH;
 
 		if (wsi->http.tx_content_length)
 			if (poss > wsi->http.tx_content_remain)
@@ -2556,11 +2532,9 @@ LWS_VISIBLE int lws_serve_http_file_fragment(struct lws *wsi)
 				lwsl_debug("added trailing boundary\n");
 			}
 #endif
-			m = lws_write(wsi, p, n,
-				      wsi->http.filepos + amount == wsi->http.filelen ?
-					LWS_WRITE_HTTP_FINAL :
-					LWS_WRITE_HTTP
-				);
+			m = lws_write(wsi, p, n, wsi->http.filepos + amount ==
+					wsi->http.filelen ?
+					 LWS_WRITE_HTTP_FINAL : LWS_WRITE_HTTP);
 			if (m < 0)
 				goto file_had_it;
 
@@ -2592,12 +2566,18 @@ LWS_VISIBLE int lws_serve_http_file_fragment(struct lws *wsi)
 		}
 
 all_sent:
-		if ((!wsi->trunc_len && wsi->http.filepos >= wsi->http.filelen)
+		if ((!lws_has_buffered_out(wsi)
+#if defined(LWS_WITH_HTTP_STREAM_COMPRESSION)
+				&& !wsi->http.comp_ctx.buflist_comp &&
+		    !wsi->http.comp_ctx.may_have_more
+#endif
+		    ) && (wsi->http.filepos >= wsi->http.filelen
 #if defined(LWS_WITH_RANGES)
 		    || finished)
 #else
 		)
 #endif
+		)
 		     {
 			lwsi_set_state(wsi, LRS_ESTABLISHED);
 			/* we might be in keepalive, so close it off here */
@@ -2607,9 +2587,8 @@ all_sent:
 
 			if (wsi->protocol->callback &&
 			    user_callback_handle_rxflow(wsi->protocol->callback,
-							wsi, LWS_CALLBACK_HTTP_FILE_COMPLETION,
-							wsi->user_space, NULL,
-							0) < 0) {
+					wsi, LWS_CALLBACK_HTTP_FILE_COMPLETION,
+					wsi->user_space, NULL, 0) < 0) {
 					/*
 					 * For http/1.x, the choices from
 					 * transaction_completed are either
@@ -2632,7 +2611,7 @@ all_sent:
 
 			return 1;  /* >0 indicates completed */
 		}
-	} while (0); // while (!lws_send_pipe_choked(wsi))
+	} while (1); //(!lws_send_pipe_choked(wsi));
 
 	lws_callback_on_writable(wsi);
 
@@ -2713,8 +2692,7 @@ skip:
 				n = (int)strlen(pc);
 				s->swallow[s->pos] = '\0';
 				if (n != s->pos) {
-					memmove(s->start + n,
-						s->start + s->pos,
+					memmove(s->start + n, s->start + s->pos,
 						old_len - (sp - args->p));
 					old_len += (n - s->pos) + 1;
 				}
diff --git a/thirdparty/libwebsockets/roles/listen/ops-listen.c b/thirdparty/libwebsockets/lib/roles/listen/ops-listen.c
index dbeb9753a2..977c4b0377 100644
--- a/thirdparty/libwebsockets/roles/listen/ops-listen.c
+++ b/thirdparty/libwebsockets/lib/roles/listen/ops-listen.c
@@ -32,6 +32,11 @@ rops_handle_POLLIN_listen(struct lws_context_per_thread *pt, struct lws *wsi,
 	struct sockaddr_storage cli_addr;
 	socklen_t clilen;
 
+	/* if our vhost is going down, ignore it */
+
+	if (wsi->vhost->being_destroyed)
+		return LWS_HPI_RET_HANDLED;
+
 	/* pollin means a client has connected to us then
 	 *
 	 * pollout is a hack on esp32 for background accepts signalling
@@ -74,8 +79,8 @@ rops_handle_POLLIN_listen(struct lws_context_per_thread *pt, struct lws *wsi,
 		 * block the connect queue for other legit peers.
 		 */
 
-		accept_fd  = accept((int)pollfd->fd,
-				    (struct sockaddr *)&cli_addr, &clilen);
+		accept_fd = accept((int)pollfd->fd,
+				   (struct sockaddr *)&cli_addr, &clilen);
 		lws_latency(context, wsi, "listener accept",
 			    (int)accept_fd, accept_fd != LWS_SOCK_INVALID);
 		if (accept_fd == LWS_SOCK_INVALID) {
@@ -83,12 +88,11 @@ rops_handle_POLLIN_listen(struct lws_context_per_thread *pt, struct lws *wsi,
 			    LWS_ERRNO == LWS_EWOULDBLOCK) {
 				break;
 			}
-			lwsl_err("ERROR on accept: %s\n",
-				 strerror(LWS_ERRNO));
-			break;
+			lwsl_err("accept: %s\n", strerror(LWS_ERRNO));
+			return LWS_HPI_RET_HANDLED;
 		}
 
-		lws_plat_set_socket_options(wsi->vhost, accept_fd);
+		lws_plat_set_socket_options(wsi->vhost, accept_fd, 0);
 
 #if defined(LWS_WITH_IPV6)
 		lwsl_debug("accepted new conn port %u on fd=%d\n",
@@ -125,9 +129,12 @@ rops_handle_POLLIN_listen(struct lws_context_per_thread *pt, struct lws *wsi,
 		fd.sockfd = accept_fd;
 		cwsi = lws_adopt_descriptor_vhost(wsi->vhost, opts, fd,
 						  NULL, NULL);
-		if (!cwsi)
+		if (!cwsi) {
+			lwsl_err("%s: lws_adopt_descriptor_vhost failed\n",
+					__func__);
 			/* already closed cleanly as necessary */
 			return LWS_HPI_RET_WSI_ALREADY_DIED;
+		}
 
 		if (lws_server_socket_service_ssl(cwsi, accept_fd)) {
 			lws_close_free_wsi(cwsi, LWS_CLOSE_STATUS_NOSTATUS,
@@ -171,7 +178,11 @@ struct lws_role_ops role_ops_listen = {
 	/* close_role */		NULL,
 	/* close_kill_connection */	NULL,
 	/* destroy_role */		NULL,
+	/* adoption_bind */		NULL,
+	/* client_bind */		NULL,
 	/* writeable cb clnt, srv */	{ 0, 0 },
 	/* close cb clnt, srv */	{ 0, 0 },
+	/* protocol_bind_cb c,s */	{ 0, 0 },
+	/* protocol_unbind_cb c,s */	{ 0, 0 },
 	/* file_handle */		0,
 };
diff --git a/thirdparty/libwebsockets/roles/pipe/ops-pipe.c b/thirdparty/libwebsockets/lib/roles/pipe/ops-pipe.c
index b9348d58d7..659c9bd935 100644
--- a/thirdparty/libwebsockets/roles/pipe/ops-pipe.c
+++ b/thirdparty/libwebsockets/lib/roles/pipe/ops-pipe.c
@@ -39,6 +39,18 @@ rops_handle_POLLIN_pipe(struct lws_context_per_thread *pt, struct lws *wsi,
 	if (n < 0)
 		return LWS_HPI_RET_PLEASE_CLOSE_ME;
 #endif
+
+#if defined(LWS_WITH_THREADPOOL)
+	/*
+	 * threadpools that need to call for on_writable callbacks do it by
+	 * marking the task as needing one for its wsi, then cancelling service.
+	 *
+	 * Each tsi will call this to perform the actual callback_on_writable
+	 * from the correct service thread context
+	 */
+	lws_threadpool_tsi_context(pt->context, pt->tid);
+#endif
+
 	/*
 	 * the poll() wait, or the event loop for libuv etc is a
 	 * process-wide resource that we interrupted.  So let every
@@ -75,7 +87,11 @@ struct lws_role_ops role_ops_pipe = {
 	/* close_role */		NULL,
 	/* close_kill_connection */	NULL,
 	/* destroy_role */		NULL,
+	/* adoption_bind */		NULL,
+	/* client_bind */		NULL,
 	/* writeable cb clnt, srv */	{ 0, 0 },
 	/* close cb clnt, srv */	{ 0, 0 },
+	/* protocol_bind_cb c,s */	{ 0, 0 },
+	/* protocol_unbind_cb c,s */	{ 0, 0 },
 	/* file_handle */		1,
 };
diff --git a/thirdparty/libwebsockets/roles/private.h b/thirdparty/libwebsockets/lib/roles/private.h
index ae4278b5d3..5f93b86e8f 100644
--- a/thirdparty/libwebsockets/roles/private.h
+++ b/thirdparty/libwebsockets/lib/roles/private.h
@@ -148,9 +148,11 @@ enum lwsi_state {
 };
 
 #define lwsi_state(wsi) ((enum lwsi_state)(wsi->wsistate & LRS_MASK))
-#define lwsi_state_PRE_CLOSE(wsi) ((enum lwsi_state)(wsi->wsistate_pre_close & LRS_MASK))
+#define lwsi_state_PRE_CLOSE(wsi) \
+		((enum lwsi_state)(wsi->wsistate_pre_close & LRS_MASK))
 #define lwsi_state_est(wsi) (!(wsi->wsistate & LWSIFS_NOT_EST))
-#define lwsi_state_est_PRE_CLOSE(wsi) (!(wsi->wsistate_pre_close & LWSIFS_NOT_EST))
+#define lwsi_state_est_PRE_CLOSE(wsi) \
+		(!(wsi->wsistate_pre_close & LWSIFS_NOT_EST))
 #define lwsi_state_can_handle_POLLOUT(wsi) (wsi->wsistate & LWSIFS_POCB)
 #if !defined (_DEBUG)
 #define lwsi_set_state(wsi, lrs) wsi->wsistate = \
@@ -159,6 +161,8 @@ enum lwsi_state {
 void lwsi_set_state(struct lws *wsi, lws_wsi_state_t lrs);
 #endif
 
+#define _LWS_ADOPT_FINISH (1 << 24)
+
 /*
  * internal role-specific ops
  */
@@ -217,6 +221,16 @@ struct lws_role_ops {
 	/* role-specific destructor */
 	int (*destroy_role)(struct lws *wsi);
 
+	/* role-specific socket-adopt */
+	int (*adoption_bind)(struct lws *wsi, int type, const char *prot);
+	/* role-specific client-bind:
+	 * ret 1 = bound, 0 = not bound, -1 = fail out
+	 * i may be NULL, indicating client_bind is being called after
+	 * a successful bind earlier, to finalize the binding.  In that
+	 * case ret 0 = OK, 1 = fail, wsi needs freeing, -1 = fail, wsi freed */
+	int (*client_bind)(struct lws *wsi,
+			   const struct lws_client_connect_info *i);
+
 	/*
 	 * the callback reasons for WRITEABLE for client, server
 	 * (just client applies if no concept of client or server)
@@ -227,6 +241,16 @@ struct lws_role_ops {
 	 * (just client applies if no concept of client or server)
 	 */
 	uint16_t close_cb[2];
+	/*
+	 * the callback reasons for protocol bind for client, server
+	 * (just client applies if no concept of client or server)
+	 */
+	uint16_t protocol_bind_cb[2];
+	/*
+	 * the callback reasons for protocol unbind for client, server
+	 * (just client applies if no concept of client or server)
+	 */
+	uint16_t protocol_unbind_cb[2];
 
 	unsigned int file_handle:1; /* role operates on files not sockets */
 };
@@ -267,6 +291,12 @@ extern struct lws_role_ops role_ops_raw_skt, role_ops_raw_file, role_ops_listen,
  #define lwsi_role_cgi(wsi) (0)
 #endif
 
+#if defined(LWS_ROLE_DBUS)
+ #include "roles/dbus/private.h"
+#else
+ #define lwsi_role_dbus(wsi) (0)
+#endif
+
 enum {
 	LWS_HP_RET_BAIL_OK,
 	LWS_HP_RET_BAIL_DIE,
@@ -280,3 +310,6 @@ enum {
 	LWS_UPG_RET_CONTINUE,
 	LWS_UPG_RET_BAIL
 };
+
+int
+lws_role_call_adoption_bind(struct lws *wsi, int type, const char *prot);
diff --git a/thirdparty/libwebsockets/lib/roles/raw-file/ops-raw-file.c b/thirdparty/libwebsockets/lib/roles/raw-file/ops-raw-file.c
new file mode 100644
index 0000000000..075a2ee8b1
--- /dev/null
+++ b/thirdparty/libwebsockets/lib/roles/raw-file/ops-raw-file.c
@@ -0,0 +1,108 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <core/private.h>
+
+static int
+rops_handle_POLLIN_raw_file(struct lws_context_per_thread *pt, struct lws *wsi,
+			    struct lws_pollfd *pollfd)
+{
+	int n;
+
+	if (pollfd->revents & LWS_POLLOUT) {
+		n = lws_callback_as_writeable(wsi);
+		if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) {
+			lwsl_info("failed at set pollfd\n");
+			return LWS_HPI_RET_WSI_ALREADY_DIED;
+		}
+		if (n)
+			return LWS_HPI_RET_PLEASE_CLOSE_ME;
+	}
+
+	if (pollfd->revents & LWS_POLLIN) {
+		if (user_callback_handle_rxflow(wsi->protocol->callback,
+						wsi, LWS_CALLBACK_RAW_RX_FILE,
+						wsi->user_space, NULL, 0)) {
+			lwsl_debug("raw rx callback closed it\n");
+			return LWS_HPI_RET_PLEASE_CLOSE_ME;
+		}
+	}
+
+	if (pollfd->revents & LWS_POLLHUP)
+		return LWS_HPI_RET_PLEASE_CLOSE_ME;
+
+	return LWS_HPI_RET_HANDLED;
+}
+
+#if !defined(LWS_NO_SERVER)
+static int
+rops_adoption_bind_raw_file(struct lws *wsi, int type, const char *vh_prot_name)
+{
+	/* no socket or http: it can only be a raw file */
+	if ((type & LWS_ADOPT_HTTP) || (type & LWS_ADOPT_SOCKET) ||
+	    (type & _LWS_ADOPT_FINISH))
+		return 0; /* no match */
+
+	lws_role_transition(wsi, 0, LRS_ESTABLISHED, &role_ops_raw_file);
+
+	if (!vh_prot_name)
+		wsi->protocol = &wsi->vhost->protocols[
+					wsi->vhost->default_protocol_index];
+
+	return 1; /* bound */
+}
+#endif
+
+struct lws_role_ops role_ops_raw_file = {
+	/* role name */			"raw-file",
+	/* alpn id */			NULL,
+	/* check_upgrades */		NULL,
+	/* init_context */		NULL,
+	/* init_vhost */		NULL,
+	/* destroy_vhost */		NULL,
+	/* periodic_checks */		NULL,
+	/* service_flag_pending */	NULL,
+	/* handle_POLLIN */		rops_handle_POLLIN_raw_file,
+	/* handle_POLLOUT */		NULL,
+	/* perform_user_POLLOUT */	NULL,
+	/* callback_on_writable */	NULL,
+	/* tx_credit */			NULL,
+	/* write_role_protocol */	NULL,
+	/* encapsulation_parent */	NULL,
+	/* alpn_negotiated */		NULL,
+	/* close_via_role_protocol */	NULL,
+	/* close_role */		NULL,
+	/* close_kill_connection */	NULL,
+	/* destroy_role */		NULL,
+#if !defined(LWS_NO_SERVER)
+	/* adoption_bind */		rops_adoption_bind_raw_file,
+#else
+					NULL,
+#endif
+	/* client_bind */		NULL,
+	/* writeable cb clnt, srv */	{ LWS_CALLBACK_RAW_WRITEABLE_FILE, 0 },
+	/* close cb clnt, srv */	{ LWS_CALLBACK_RAW_CLOSE_FILE, 0 },
+	/* protocol_bind cb c, srv */	{ LWS_CALLBACK_RAW_FILE_BIND_PROTOCOL,
+					  LWS_CALLBACK_RAW_FILE_BIND_PROTOCOL },
+	/* protocol_unbind cb c, srv */	{ LWS_CALLBACK_RAW_FILE_DROP_PROTOCOL,
+					  LWS_CALLBACK_RAW_FILE_DROP_PROTOCOL },
+	/* file_handle */		1,
+};
diff --git a/thirdparty/libwebsockets/roles/raw/ops-raw.c b/thirdparty/libwebsockets/lib/roles/raw-skt/ops-raw-skt.c
index 68b52bded6..8b94de4bed 100644
--- a/thirdparty/libwebsockets/roles/raw/ops-raw.c
+++ b/thirdparty/libwebsockets/lib/roles/raw-skt/ops-raw-skt.c
@@ -30,12 +30,12 @@ rops_handle_POLLIN_raw_skt(struct lws_context_per_thread *pt, struct lws *wsi,
 
 	/* pending truncated sends have uber priority */
 
-	if (wsi->trunc_len) {
+	if (lws_has_buffered_out(wsi)) {
 		if (!(pollfd->revents & LWS_POLLOUT))
 			return LWS_HPI_RET_HANDLED;
 
-		if (lws_issue_raw(wsi, wsi->trunc_alloc + wsi->trunc_offset,
-				  wsi->trunc_len) < 0)
+		/* drain the output buflist */
+		if (lws_issue_raw(wsi, NULL, 0) < 0)
 			goto fail;
 		/*
 		 * we can't afford to allow input processing to send
@@ -109,7 +109,7 @@ try_pollout:
 				LWSSTATS_C_WRITEABLE_CB, 1);
 #if defined(LWS_WITH_STATS)
 	if (wsi->active_writable_req_us) {
-		uint64_t ul = time_in_microseconds() -
+		uint64_t ul = lws_time_in_microseconds() -
 				wsi->active_writable_req_us;
 
 		lws_stats_atomic_bump(wsi->context, pt,
@@ -135,38 +135,62 @@ fail:
 	return LWS_HPI_RET_WSI_ALREADY_DIED;
 }
 
+#if !defined(LWS_NO_SERVER)
+static int
+rops_adoption_bind_raw_skt(struct lws *wsi, int type, const char *vh_prot_name)
+{
+	/* no http but socket... must be raw skt */
+	if ((type & LWS_ADOPT_HTTP) || !(type & LWS_ADOPT_SOCKET) ||
+	    (type & _LWS_ADOPT_FINISH))
+		return 0; /* no match */
+
+#if !defined(LWS_WITH_ESP32)
+	if (type & LWS_ADOPT_FLAG_UDP)
+		/*
+		 * these can be >128 bytes, so just alloc for UDP
+		 */
+		wsi->udp = lws_malloc(sizeof(*wsi->udp), "udp struct");
+#endif
 
+	lws_role_transition(wsi, 0, (type & LWS_ADOPT_ALLOW_SSL) ? LRS_SSL_INIT :
+				LRS_ESTABLISHED, &role_ops_raw_skt);
+
+	if (vh_prot_name)
+		lws_bind_protocol(wsi, wsi->protocol, __func__);
+	else
+		/* this is the only time he will transition */
+		lws_bind_protocol(wsi,
+			&wsi->vhost->protocols[wsi->vhost->raw_protocol_index],
+			__func__);
+
+	return 1; /* bound */
+}
+#endif
+
+#if !defined(LWS_NO_CLIENT)
 static int
-rops_handle_POLLIN_raw_file(struct lws_context_per_thread *pt, struct lws *wsi,
-			    struct lws_pollfd *pollfd)
+rops_client_bind_raw_skt(struct lws *wsi,
+			 const struct lws_client_connect_info *i)
 {
-	int n;
+	if (!i) {
 
-	if (pollfd->revents & LWS_POLLOUT) {
-		n = lws_callback_as_writeable(wsi);
-		if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) {
-			lwsl_info("failed at set pollfd\n");
-			return LWS_HPI_RET_WSI_ALREADY_DIED;
-		}
-		if (n)
-			return LWS_HPI_RET_PLEASE_CLOSE_ME;
-	}
+		/* finalize */
 
-	if (pollfd->revents & LWS_POLLIN) {
-		if (user_callback_handle_rxflow(wsi->protocol->callback,
-						wsi, LWS_CALLBACK_RAW_RX_FILE,
-						wsi->user_space, NULL, 0)) {
-			lwsl_debug("raw rx callback closed it\n");
-			return LWS_HPI_RET_PLEASE_CLOSE_ME;
-		}
+		if (!wsi->user_space && wsi->stash->method)
+			if (lws_ensure_user_space(wsi))
+				return 1;
+
+		return 0;
 	}
 
-	if (pollfd->revents & LWS_POLLHUP)
-		return LWS_HPI_RET_PLEASE_CLOSE_ME;
+	/* we are a fallback if nothing else matched */
 
-	return LWS_HPI_RET_HANDLED;
-}
+	lws_role_transition(wsi, LWSIFR_CLIENT, LRS_UNCONNECTED,
+			    &role_ops_raw_skt);
 
+	return 1; /* matched */
+}
+#endif
 
 struct lws_role_ops role_ops_raw_skt = {
 	/* role name */			"raw-skt",
@@ -189,35 +213,21 @@ struct lws_role_ops role_ops_raw_skt = {
 	/* close_role */		NULL,
 	/* close_kill_connection */	NULL,
 	/* destroy_role */		NULL,
+#if !defined(LWS_NO_SERVER)
+	/* adoption_bind */		rops_adoption_bind_raw_skt,
+#else
+					NULL,
+#endif
+#if !defined(LWS_NO_CLIENT)
+	/* client_bind */		rops_client_bind_raw_skt,
+#else
+					NULL,
+#endif
 	/* writeable cb clnt, srv */	{ LWS_CALLBACK_RAW_WRITEABLE, 0 },
 	/* close cb clnt, srv */	{ LWS_CALLBACK_RAW_CLOSE, 0 },
+	/* protocol_bind cb c, srv */	{ LWS_CALLBACK_RAW_SKT_BIND_PROTOCOL,
+					  LWS_CALLBACK_RAW_SKT_BIND_PROTOCOL },
+	/* protocol_unbind cb c, srv */	{ LWS_CALLBACK_RAW_SKT_DROP_PROTOCOL,
+					  LWS_CALLBACK_RAW_SKT_DROP_PROTOCOL },
 	/* file_handle */		0,
 };
-
-
-
-struct lws_role_ops role_ops_raw_file = {
-	/* role name */			"raw-file",
-	/* alpn id */			NULL,
-	/* check_upgrades */		NULL,
-	/* init_context */		NULL,
-	/* init_vhost */		NULL,
-	/* destroy_vhost */		NULL,
-	/* periodic_checks */		NULL,
-	/* service_flag_pending */	NULL,
-	/* handle_POLLIN */		rops_handle_POLLIN_raw_file,
-	/* handle_POLLOUT */		NULL,
-	/* perform_user_POLLOUT */	NULL,
-	/* callback_on_writable */	NULL,
-	/* tx_credit */			NULL,
-	/* write_role_protocol */	NULL,
-	/* encapsulation_parent */	NULL,
-	/* alpn_negotiated */		NULL,
-	/* close_via_role_protocol */	NULL,
-	/* close_role */		NULL,
-	/* close_kill_connection */	NULL,
-	/* destroy_role */		NULL,
-	/* writeable cb clnt, srv */	{ LWS_CALLBACK_RAW_WRITEABLE_FILE, 0 },
-	/* close cb clnt, srv */	{ LWS_CALLBACK_RAW_CLOSE_FILE, 0 },
-	/* file_handle */		1,
-};
diff --git a/thirdparty/libwebsockets/roles/ws/client-parser-ws.c b/thirdparty/libwebsockets/lib/roles/ws/client-parser-ws.c
index 7287fb1590..f5aaa6dbb5 100644
--- a/thirdparty/libwebsockets/roles/ws/client-parser-ws.c
+++ b/thirdparty/libwebsockets/lib/roles/ws/client-parser-ws.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets - small server side websockets and web server implementation
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -399,9 +399,11 @@ spill:
 
 			memcpy(wsi->ws->ping_payload_buf + LWS_PRE, pp,
 			       wsi->ws->rx_ubuf_head);
-			wsi->ws->close_in_ping_buffer_len = wsi->ws->rx_ubuf_head;
+			wsi->ws->close_in_ping_buffer_len =
+					wsi->ws->rx_ubuf_head;
 
-			lwsl_info("%s: scheduling return close as ack\n", __func__);
+			lwsl_info("%s: scheduling return close as ack\n",
+				  __func__);
 			__lws_change_pollfd(wsi, LWS_POLLIN, 0);
 			lws_set_timeout(wsi, PENDING_TIMEOUT_CLOSE_SEND, 3);
 			wsi->waiting_to_send_close_frame = 1;
@@ -437,7 +439,7 @@ spill:
 			/* stash the pong payload */
 			memcpy(wsi->ws->ping_payload_buf + LWS_PRE,
 			       &wsi->ws->rx_ubuf[LWS_PRE],
-				wsi->ws->rx_ubuf_head);
+			       wsi->ws->rx_ubuf_head);
 
 			wsi->ws->ping_payload_len = wsi->ws->rx_ubuf_head;
 			wsi->ws->ping_pending_flag = 1;
diff --git a/thirdparty/libwebsockets/roles/ws/client-ws.c b/thirdparty/libwebsockets/lib/roles/ws/client-ws.c
index fd6cf42551..d88833f381 100644
--- a/thirdparty/libwebsockets/roles/ws/client-ws.c
+++ b/thirdparty/libwebsockets/lib/roles/ws/client-ws.c
@@ -40,7 +40,8 @@ strtolower(char *s)
 }
 
 int
-lws_create_client_ws_object(struct lws_client_connect_info *i, struct lws *wsi)
+lws_create_client_ws_object(const struct lws_client_connect_info *i,
+			    struct lws *wsi)
 {
 	int v = SPEC_LATEST_SUPPORTED;
 
@@ -113,7 +114,7 @@ lws_ws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len)
 #endif
 
 char *
-lws_generate_client_ws_handshake(struct lws *wsi, char *p)
+lws_generate_client_ws_handshake(struct lws *wsi, char *p, const char *conn1)
 {
 	char buf[128], hash[20], key_b64[40];
 	int n;
@@ -135,8 +136,8 @@ lws_generate_client_ws_handshake(struct lws *wsi, char *p)
 	lws_b64_encode_string(hash, 16, key_b64, sizeof(key_b64));
 
 	p += sprintf(p, "Upgrade: websocket\x0d\x0a"
-			"Connection: Upgrade\x0d\x0a"
-			"Sec-WebSocket-Key: ");
+			"Connection: %sUpgrade\x0d\x0a"
+			"Sec-WebSocket-Key: ", conn1);
 	strcpy(p, key_b64);
 	p += strlen(key_b64);
 	p += sprintf(p, "\x0d\x0a");
@@ -203,10 +204,12 @@ lws_generate_client_ws_handshake(struct lws *wsi, char *p)
 int
 lws_client_ws_upgrade(struct lws *wsi, const char **cce)
 {
-	int n, len, okay = 0;
 	struct lws_context *context = wsi->context;
+	struct lws_tokenize ts;
+	int n, len, okay = 0;
+	lws_tokenize_elem e;
+	char *p, buf[64];
 	const char *pc;
-	char *p;
 #if !defined(LWS_WITHOUT_EXTENSIONS)
 	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
 	char *sb = (char *)&pt->serv_buf[0];
@@ -214,8 +217,8 @@ lws_client_ws_upgrade(struct lws *wsi, const char **cce)
 	const struct lws_extension *ext;
 	char ext_name[128];
 	const char *c, *a;
-	char ignore;
 	int more = 1;
+	char ignore;
 #endif
 
 	if (wsi->client_h2_substream) {/* !!! client ws-over-h2 not there yet */
@@ -261,18 +264,31 @@ lws_client_ws_upgrade(struct lws *wsi, const char **cce)
 		goto bail3;
 	}
 
-	p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_CONNECTION);
-	if (!p) {
-		lwsl_info("no Connection hdr\n");
-		*cce = "HS: CONNECTION missing";
-		goto bail3;
-	}
-	strtolower(p);
-	if (strcmp(p, "upgrade")) {
-		lwsl_warn("lws_client_int_s_hs: bad header %s\n", p);
-		*cce = "HS: UPGRADE malformed";
-		goto bail3;
-	}
+	/* connection: must have "upgrade" */
+
+	lws_tokenize_init(&ts, buf, LWS_TOKENIZE_F_COMMA_SEP_LIST |
+				    LWS_TOKENIZE_F_MINUS_NONTERM);
+	ts.len = lws_hdr_copy(wsi, buf, sizeof(buf) - 1, WSI_TOKEN_CONNECTION);
+	if (ts.len <= 0) /* won't fit, or absent */
+		goto bad_conn_format;
+
+	do {
+		e = lws_tokenize(&ts);
+		switch (e) {
+		case LWS_TOKZE_TOKEN:
+			if (!strcasecmp(ts.token, "upgrade"))
+				e = LWS_TOKZE_ENDED;
+			break;
+
+		case LWS_TOKZE_DELIMITER:
+			break;
+
+		default: /* includes ENDED */
+bad_conn_format:
+			*cce = "HS: UPGRADE malformed";
+			goto bail3;
+		}
+	} while (e > 0);
 
 	pc = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS);
 	if (!pc) {
@@ -308,7 +324,7 @@ lws_client_ws_upgrade(struct lws *wsi, const char **cce)
 		}
 		while (*pc && *pc++ != ',')
 			;
-		while (*pc && *pc == ' ')
+		while (*pc == ' ')
 			pc++;
 	}
 
@@ -376,22 +392,7 @@ check_extensions:
 	 * X <-> pAn <-> pB
 	 */
 
-	lws_vhost_lock(wsi->vhost);
-
-	wsi->same_vh_protocol_prev = /* guy who points to us */
-		&wsi->vhost->same_vh_protocol_list[n];
-	wsi->same_vh_protocol_next = /* old first guy is our next */
-			wsi->vhost->same_vh_protocol_list[n];
-	/* we become the new first guy */
-	wsi->vhost->same_vh_protocol_list[n] = wsi;
-
-	if (wsi->same_vh_protocol_next)
-		/* old first guy points back to us now */
-		wsi->same_vh_protocol_next->same_vh_protocol_prev =
-				&wsi->same_vh_protocol_next;
-	wsi->on_same_vh_list = 1;
-
-	lws_vhost_unlock(wsi->vhost);
+	lws_same_vh_protocol_insert(wsi, n);
 
 #if !defined(LWS_WITHOUT_EXTENSIONS)
 	/* instantiate the accepted extensions */
@@ -468,7 +469,8 @@ check_extensions:
 
 			if (ext->callback(lws_get_context(wsi), ext, wsi,
 				   LWS_EXT_CB_CLIENT_CONSTRUCT,
-				   (void *)&wsi->ws->act_ext_user[wsi->ws->count_act_ext],
+				   (void *)&wsi->ws->act_ext_user[
+				                        wsi->ws->count_act_ext],
 				   (void *)&opts, 0)) {
 				lwsl_info(" ext %s failed construction\n",
 					  ext_name);
@@ -490,8 +492,10 @@ check_extensions:
 			}
 
 			if (ext_name[0] &&
-			    lws_ext_parse_options(ext, wsi, wsi->ws->act_ext_user[
-						  wsi->ws->count_act_ext], opts, ext_name,
+			    lws_ext_parse_options(ext, wsi,
+					          wsi->ws->act_ext_user[
+						        wsi->ws->count_act_ext],
+					          opts, ext_name,
 						  (int)strlen(ext_name))) {
 				lwsl_err("%s: unable to parse user defaults '%s'",
 					 __func__, ext_name);
@@ -503,7 +507,8 @@ check_extensions:
 			 * give the extension the server options
 			 */
 			if (a && lws_ext_parse_options(ext, wsi,
-					wsi->ws->act_ext_user[wsi->ws->count_act_ext],
+					wsi->ws->act_ext_user[
+					                wsi->ws->count_act_ext],
 					opts, a, lws_ptr_diff(c, a))) {
 				lwsl_err("%s: unable to parse remote def '%s'",
 					 __func__, a);
diff --git a/thirdparty/libwebsockets/roles/ws/ops-ws.c b/thirdparty/libwebsockets/lib/roles/ws/ops-ws.c
index 665b2c9b74..1cbc6ac6a6 100644
--- a/thirdparty/libwebsockets/roles/ws/ops-ws.c
+++ b/thirdparty/libwebsockets/lib/roles/ws/ops-ws.c
@@ -155,7 +155,9 @@ handle_first:
 			if (wsi->ws->opcode == LWSWSOPC_BINARY_FRAME)
 				wsi->ws->check_utf8 = 0;
 			if (wsi->ws->continuation_possible) {
-				lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR, (uint8_t *)"bad cont", 8);
+				lws_close_reason(wsi,
+					LWS_CLOSE_STATUS_PROTOCOL_ERR,
+					(uint8_t *)"bad cont", 8);
 				return -1;
 			}
 			wsi->ws->rsv_first_msg = (c & 0x70);
@@ -166,7 +168,9 @@ handle_first:
 			break;
 		case LWSWSOPC_CONTINUATION:
 			if (!wsi->ws->continuation_possible) {
-				lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR, (uint8_t *)"bad cont", 8);
+				lws_close_reason(wsi,
+					LWS_CLOSE_STATUS_PROTOCOL_ERR,
+					(uint8_t *)"bad cont", 8);
 				return -1;
 			}
 			break;
@@ -184,7 +188,8 @@ handle_first:
 		case 0xd:
 		case 0xe:
 		case 0xf:
-			lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR, (uint8_t *)"bad opc", 7);
+			lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR,
+					(uint8_t *)"bad opc", 7);
 			lwsl_info("illegal opcode\n");
 			return -1;
 		}
@@ -193,7 +198,8 @@ handle_first:
 		    (wsi->ws->opcode == LWSWSOPC_TEXT_FRAME ||
 		     wsi->ws->opcode == LWSWSOPC_BINARY_FRAME)) {
 			lwsl_info("hey you owed us a FIN\n");
-			lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR, (uint8_t *)"bad fin", 7);
+			lws_close_reason(wsi, LWS_CLOSE_STATUS_PROTOCOL_ERR,
+					(uint8_t *)"bad fin", 7);
 			return -1;
 		}
 		if ((!(wsi->ws->opcode & 8)) && wsi->ws->final) {
@@ -373,17 +379,19 @@ handle_first:
 		}
 		if (!(already_processed & ALREADY_PROCESSED_IGNORE_CHAR)) {
 			if (wsi->ws->all_zero_nonce)
-				wsi->ws->rx_ubuf[LWS_PRE + (wsi->ws->rx_ubuf_head++)] =
-				   c;
+				wsi->ws->rx_ubuf[LWS_PRE +
+				                 (wsi->ws->rx_ubuf_head++)] = c;
 			else
-				wsi->ws->rx_ubuf[LWS_PRE + (wsi->ws->rx_ubuf_head++)] =
+				wsi->ws->rx_ubuf[LWS_PRE +
+				                 (wsi->ws->rx_ubuf_head++)] =
 				   c ^ wsi->ws->mask[(wsi->ws->mask_idx++) & 3];
 
 			--wsi->ws->rx_packet_length;
 		}
 
 		if (!wsi->ws->rx_packet_length) {
-			lwsl_debug("%s: ws fragment length exhausted\n", __func__);
+			lwsl_debug("%s: ws fragment length exhausted\n",
+				   __func__);
 			/* spill because we have the whole frame */
 			wsi->lws_rx_parse_state = LWS_RXPS_NEW;
 			goto spill;
@@ -451,7 +459,8 @@ spill:
 				 * have to just close our end.
 				 */
 				wsi->socket_is_permanently_unusable = 1;
-				lwsl_parser("Closing on peer close due to Pending tx\n");
+				lwsl_parser("Closing on peer close "
+					    "due to pending tx\n");
 				return -1;
 			}
 
@@ -570,7 +579,8 @@ drain_extension:
 		//if (lin)
 		//	lwsl_hexdump_notice(ebuf.token, ebuf.len);
 		n = lws_ext_cb_active(wsi, LWS_EXT_CB_PAYLOAD_RX, &ebuf, 0);
-		lwsl_debug("%s: ext says %d / ebuf.len %d\n", __func__,  n, ebuf.len);
+		lwsl_debug("%s: ext says %d / ebuf.len %d\n", __func__,
+			   n, ebuf.len);
 		if (wsi->ws->rx_draining_ext)
 			already_processed &= ~ALREADY_PROCESSED_NO_CB;
 #endif
@@ -781,8 +791,7 @@ lws_server_init_wsi_for_ws(struct lws *wsi)
 	lwsl_debug("Allocating RX buffer %d\n", n);
 
 #if !defined(LWS_WITH_ESP32)
-	if (!wsi->parent_carries_io &&
-	    !wsi->h2_stream_carries_ws)
+	if (!wsi->h2_stream_carries_ws)
 		if (setsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_SNDBUF,
 		       (const char *)&n, sizeof n)) {
 			lwsl_warn("Failed to set SNDBUF to %d", n);
@@ -814,9 +823,9 @@ LWS_VISIBLE int
 lws_is_final_fragment(struct lws *wsi)
 {
 #if !defined(LWS_WITHOUT_EXTENSIONS)
-       lwsl_debug("%s: final %d, rx pk length %ld, draining %ld\n", __func__,
-			wsi->ws->final, (long)wsi->ws->rx_packet_length,
-			(long)wsi->ws->rx_draining_ext);
+	lwsl_debug("%s: final %d, rx pk length %ld, draining %ld\n", __func__,
+		   wsi->ws->final, (long)wsi->ws->rx_packet_length,
+		   (long)wsi->ws->rx_draining_ext);
 	return wsi->ws->final && !wsi->ws->rx_packet_length &&
 	       !wsi->ws->rx_draining_ext;
 #else
@@ -883,8 +892,8 @@ static int
 rops_handle_POLLIN_ws(struct lws_context_per_thread *pt, struct lws *wsi,
 		       struct lws_pollfd *pollfd)
 {
-	struct lws_tokens ebuf;
 	unsigned int pending = 0;
+	struct lws_tokens ebuf;
 	char buffered = 0;
 	int n = 0, m;
 #if defined(LWS_WITH_HTTP2)
@@ -928,7 +937,9 @@ rops_handle_POLLIN_ws(struct lws_context_per_thread *pt, struct lws *wsi,
 		return LWS_HPI_RET_HANDLED;
 	}
 
-	//lwsl_notice("%s:  wsi->ws->tx_draining_ext %d revents 0x%x 0x%x %d\n", __func__,  wsi->ws->tx_draining_ext, pollfd->revents, wsi->wsistate, lwsi_state_can_handle_POLLOUT(wsi));
+	//lwsl_notice("%s:  wsi->ws->tx_draining_ext %d revents 0x%x 0x%x %d\n",
+	//__func__,  wsi->ws->tx_draining_ext, pollfd->revents, wsi->wsistate,
+	//lwsi_state_can_handle_POLLOUT(wsi));
 
 	/* 1: something requested a callback when it was OK to write */
 
@@ -977,7 +988,7 @@ rops_handle_POLLIN_ws(struct lws_context_per_thread *pt, struct lws *wsi,
 #if defined(LWS_WITH_HTTP2)
 	if (wsi->http2_substream || wsi->upgraded_to_http2) {
 		wsi1 = lws_get_network_wsi(wsi);
-		if (wsi1 && wsi1->trunc_len)
+		if (wsi1 && lws_has_buffered_out(wsi1))
 			/* We cannot deal with any kind of new RX
 			 * because we are dealing with a partial send
 			 * (new RX may trigger new http_action() that
@@ -1200,8 +1211,9 @@ int rops_handle_POLLOUT_ws(struct lws *wsi)
 		if (n >= 0) {
 			if (wsi->close_needs_ack) {
 				lwsi_set_state(wsi, LRS_AWAITING_CLOSE_ACK);
-				lws_set_timeout(wsi, PENDING_TIMEOUT_CLOSE_ACK, 5);
-				lwsl_debug("sent close indication, awaiting ack\n");
+				lws_set_timeout(wsi, PENDING_TIMEOUT_CLOSE_ACK,
+						5);
+				lwsl_debug("sent close, await ack\n");
 
 				return LWS_HP_RET_BAIL_OK;
 			}
@@ -1226,7 +1238,8 @@ int rops_handle_POLLOUT_ws(struct lws *wsi)
 				wsi->ws->ping_pending_flag = 0;
 				return LWS_HP_RET_BAIL_OK;
 			}
-			lwsl_info("issuing pong %d on wsi %p\n", wsi->ws->ping_payload_len, wsi);
+			lwsl_info("issuing pong %d on wsi %p\n",
+				  wsi->ws->ping_payload_len, wsi);
 		}
 
 		n = lws_write(wsi, &wsi->ws->ping_payload_buf[LWS_PRE],
@@ -1402,9 +1415,12 @@ rops_periodic_checks_ws(struct lws_context *context, int tsi, time_t now)
 		lws_vhost_lock(vh);
 
 		for (n = 0; n < vh->count_protocols; n++) {
-			struct lws *wsi = vh->same_vh_protocol_list[n];
 
-			while (wsi) {
+			lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
+					  vh->same_vh_protocol_heads[n].next) {
+				struct lws *wsi = lws_container_of(d,
+						struct lws, same_vh_protocol);
+
 				if (lwsi_role_ws(wsi) &&
 				    !wsi->socket_is_permanently_unusable &&
 				    !wsi->ws->send_check_ping &&
@@ -1421,8 +1437,8 @@ rops_periodic_checks_ws(struct lws_context *context, int tsi, time_t now)
 					lws_callback_on_writable(wsi);
 					wsi->ws->time_next_ping_check = now;
 				}
-				wsi = wsi->same_vh_protocol_next;
-			}
+
+			} lws_end_foreach_dll_safe(d, d1);
 		}
 
 		lws_vhost_unlock(vh);
@@ -1496,7 +1512,11 @@ rops_close_via_role_protocol_ws(struct lws *wsi, enum lws_close_status reason)
 static int
 rops_close_role_ws(struct lws_context_per_thread *pt, struct lws *wsi)
 {
+	if (!wsi->ws)
+		return 0;
+
 #if !defined(LWS_WITHOUT_EXTENSIONS)
+
 	if (wsi->ws->rx_draining_ext) {
 		struct lws **w = &pt->ws.rx_draining_ext_list;
 
@@ -1529,10 +1549,6 @@ rops_close_role_ws(struct lws_context_per_thread *pt, struct lws *wsi)
 #endif
 	lws_free_set_NULL(wsi->ws->rx_ubuf);
 
-	if (wsi->trunc_alloc)
-		/* not going to be completed... nuke it */
-		lws_free_set_NULL(wsi->trunc_alloc);
-
 	wsi->ws->ping_payload_len = 0;
 	wsi->ws->ping_pending_flag = 0;
 
@@ -1590,8 +1606,9 @@ rops_write_role_protocol_ws(struct lws *wsi, unsigned char *buf, size_t len,
 		if (!(wpt & LWS_WRITE_NO_FIN) && len)
 			*wp &= ~LWS_WRITE_NO_FIN;
 
-		lwsl_ext("FORCED draining wp to 0x%02X (stashed 0x%02X, incoming 0x%02X)\n", *wp,
-				wsi->ws->tx_draining_stashed_wp, wpt);
+		lwsl_ext("FORCED draining wp to 0x%02X "
+			 "(stashed 0x%02X, incoming 0x%02X)\n", *wp,
+			 wsi->ws->tx_draining_stashed_wp, wpt);
 		// assert(0);
 	}
 #endif
@@ -1643,13 +1660,16 @@ rops_write_role_protocol_ws(struct lws *wsi, unsigned char *buf, size_t len,
 		n = lws_ext_cb_active(wsi, LWS_EXT_CB_PAYLOAD_TX, &ebuf, *wp);
 		if (n < 0)
 			return -1;
-		// lwsl_notice("ext processed %d plaintext into %d compressed (wp 0x%x)\n", m, (int)ebuf.len, *wp);
+		// lwsl_notice("ext processed %d plaintext into %d compressed"
+		//	       " (wp 0x%x)\n", m, (int)ebuf.len, *wp);
 
 		if (n && ebuf.len) {
-			lwsl_ext("write drain len %d (wp 0x%x) SETTING tx_draining_ext\n", (int)ebuf.len, *wp);
+			lwsl_ext("write drain len %d (wp 0x%x) SETTING "
+				 "tx_draining_ext\n", (int)ebuf.len, *wp);
 			/* extension requires further draining */
 			wsi->ws->tx_draining_ext = 1;
-			wsi->ws->tx_draining_ext_list = pt->ws.tx_draining_ext_list;
+			wsi->ws->tx_draining_ext_list =
+					pt->ws.tx_draining_ext_list;
 			pt->ws.tx_draining_ext_list = wsi;
 			/* we must come back to do more */
 			lws_callback_on_writable(wsi);
@@ -1686,7 +1706,8 @@ rops_write_role_protocol_ws(struct lws *wsi, unsigned char *buf, size_t len,
 		 */
 		if (len && !ebuf.len) {
 			if (!wsi->ws->stashed_write_pending)
-				wsi->ws->stashed_write_type = (char)(*wp) & 0x3f;
+				wsi->ws->stashed_write_type =
+						(char)(*wp) & 0x3f;
 			wsi->ws->stashed_write_pending = 1;
 			return (int)len;
 		}
@@ -1808,7 +1829,7 @@ do_more_inside_frame:
 
 		assert(encap != wsi);
 		return encap->role_ops->write_role_protocol(wsi, buf - pre,
-							len + pre, wp);
+							    len + pre, wp);
 	}
 
 	switch ((*wp) & 0x1f) {
@@ -1986,9 +2007,15 @@ struct lws_role_ops role_ops_ws = {
 	/* close_role */		rops_close_role_ws,
 	/* close_kill_connection */	rops_close_kill_connection_ws,
 	/* destroy_role */		rops_destroy_role_ws,
+	/* adoption_bind */		NULL,
+	/* client_bind */		NULL,
 	/* writeable cb clnt, srv */	{ LWS_CALLBACK_CLIENT_WRITEABLE,
 					  LWS_CALLBACK_SERVER_WRITEABLE },
 	/* close cb clnt, srv */	{ LWS_CALLBACK_CLIENT_CLOSED,
 					  LWS_CALLBACK_CLOSED },
+	/* protocol_bind cb c, srv */	{ LWS_CALLBACK_WS_CLIENT_BIND_PROTOCOL,
+					  LWS_CALLBACK_WS_SERVER_BIND_PROTOCOL },
+	/* protocol_unbind cb c, srv */	{ LWS_CALLBACK_WS_CLIENT_DROP_PROTOCOL,
+					  LWS_CALLBACK_WS_SERVER_DROP_PROTOCOL },
 	/* file handles */		0
 };
diff --git a/thirdparty/libwebsockets/roles/ws/private.h b/thirdparty/libwebsockets/lib/roles/ws/private.h
index 71ffcaea96..71ffcaea96 100644
--- a/thirdparty/libwebsockets/roles/ws/private.h
+++ b/thirdparty/libwebsockets/lib/roles/ws/private.h
diff --git a/thirdparty/libwebsockets/roles/ws/server-ws.c b/thirdparty/libwebsockets/lib/roles/ws/server-ws.c
index 62bcd8524f..bdc45367d4 100644
--- a/thirdparty/libwebsockets/roles/ws/server-ws.c
+++ b/thirdparty/libwebsockets/lib/roles/ws/server-ws.c
@@ -104,7 +104,7 @@ lws_extension_server_handshake(struct lws *wsi, char **p, int budget)
 				continue;
 		}
 
-		while (args && *args && *args == ' ')
+		while (args && *args == ' ')
 			args++;
 
 		/* check a client's extension against our support */
@@ -124,7 +124,7 @@ lws_extension_server_handshake(struct lws *wsi, char **p, int budget)
 			 */
 			for (m = 0; m < wsi->ws->count_act_ext; m++)
 				if (wsi->ws->active_extensions[m] == ext) {
-					lwsl_info("extension mentioned twice\n");
+					lwsl_info("ext mentioned twice\n");
 					return 1; /* shenanigans */
 				}
 
@@ -209,16 +209,17 @@ lws_extension_server_handshake(struct lws *wsi, char **p, int budget)
 					oa.len = 0;
 					lwsl_info("setting '%s'\n", po->name);
 					if (!ext->callback(lws_get_context(wsi),
-							  ext, wsi,
-							  LWS_EXT_CB_OPTION_SET,
-							  wsi->ws->act_ext_user[
-								 wsi->ws->count_act_ext],
+							   ext, wsi,
+						LWS_EXT_CB_OPTION_SET,
+						wsi->ws->act_ext_user[
+							wsi->ws->count_act_ext],
 							  &oa, (end - *p))) {
 
-						*p += lws_snprintf(*p, (end - *p),
-							"; %s", po->name);
+						*p += lws_snprintf(*p,
+								   (end - *p),
+							      "; %s", po->name);
 						lwsl_debug("adding option %s\n",
-								po->name);
+							   po->name);
 					}
 					po++;
 				}
@@ -230,7 +231,8 @@ lws_extension_server_handshake(struct lws *wsi, char **p, int budget)
 			}
 
 			wsi->ws->count_act_ext++;
-			lwsl_parser("cnt_act_ext <- %d\n", wsi->ws->count_act_ext);
+			lwsl_parser("cnt_act_ext <- %d\n",
+				    wsi->ws->count_act_ext);
 
 			if (args && *args == ',')
 				more = 0;
@@ -246,96 +248,149 @@ lws_extension_server_handshake(struct lws *wsi, char **p, int budget)
 }
 #endif
 
-
-
 int
 lws_process_ws_upgrade(struct lws *wsi)
 {
 	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-	char protocol_list[128], protocol_name[64], *p;
-	int protocol_len, hit, n = 0, non_space_char_found = 0;
+	const struct lws_protocols *pcol = NULL;
+	char buf[128], name[64];
+	struct lws_tokenize ts;
+	lws_tokenize_elem e;
 
 	if (!wsi->protocol)
 		lwsl_err("NULL protocol at lws_read\n");
 
 	/*
+	 * We are upgrading to ws, so http/1.1 + h2 and keepalive + pipelined
+	 * header considerations about keeping the ah around no longer apply.
+	 *
+	 * However it's common for the first ws protocol data to have been
+	 * coalesced with the browser upgrade request and to already be in the
+	 * ah rx buffer.
+	 */
+
+	lws_pt_lock(pt, __func__);
+
+	if (!wsi->h2_stream_carries_ws)
+		lws_role_transition(wsi, LWSIFR_SERVER, LRS_ESTABLISHED,
+				    &role_ops_ws);
+
+	lws_pt_unlock(pt);
+
+	/*
 	 * It's either websocket or h2->websocket
 	 *
+	 * If we are on h1, confirm we got the required "connection: upgrade"
+	 * header.  h2 / ws-over-h2 does not have this.
+	 */
+
+#if defined(LWS_WITH_HTTP2)
+	if (wsi->http2_substream)
+		goto check_protocol;
+#endif
+
+	lws_tokenize_init(&ts, buf, LWS_TOKENIZE_F_COMMA_SEP_LIST |
+				    LWS_TOKENIZE_F_MINUS_NONTERM);
+	ts.len = lws_hdr_copy(wsi, buf, sizeof(buf) - 1, WSI_TOKEN_CONNECTION);
+	if (ts.len <= 0)
+		goto bad_conn_format;
+
+	do {
+		e = lws_tokenize(&ts);
+		switch (e) {
+		case LWS_TOKZE_TOKEN:
+			if (!strcasecmp(ts.token, "upgrade"))
+				e = LWS_TOKZE_ENDED;
+			break;
+
+		case LWS_TOKZE_DELIMITER:
+			break;
+
+		default: /* includes ENDED */
+bad_conn_format:
+			lwsl_err("%s: malformed or absent connection hdr\n",
+				 __func__);
+
+			return 1;
+		}
+	} while (e > 0);
+
+#if defined(LWS_WITH_HTTP2)
+check_protocol:
+#endif
+
+	/*
 	 * Select the first protocol we support from the list
 	 * the client sent us.
-	 *
-	 * Copy it to remove header fragmentation
 	 */
 
-	if (lws_hdr_copy(wsi, protocol_list, sizeof(protocol_list) - 1,
-			 WSI_TOKEN_PROTOCOL) < 0) {
-		lwsl_err("protocol list too long");
+	lws_tokenize_init(&ts, buf, LWS_TOKENIZE_F_COMMA_SEP_LIST |
+				    LWS_TOKENIZE_F_MINUS_NONTERM |
+				    LWS_TOKENIZE_F_RFC7230_DELIMS);
+	ts.len = lws_hdr_copy(wsi, buf, sizeof(buf) - 1, WSI_TOKEN_PROTOCOL);
+	if (ts.len < 0) {
+		lwsl_err("%s: protocol list too long\n", __func__);
 		return 1;
 	}
+	if (!ts.len) {
+		int n = wsi->vhost->default_protocol_index;
+		/*
+		 * some clients only have one protocol and do not send the
+		 * protocol list header... allow it and match to the vhost's
+		 * default protocol (which itself defaults to zero)
+		 */
+		lwsl_info("%s: defaulting to prot handler %d\n", __func__, n);
 
-	protocol_len = lws_hdr_total_length(wsi, WSI_TOKEN_PROTOCOL);
-	protocol_list[protocol_len] = '\0';
-	p = protocol_list;
-	hit = 0;
+		lws_bind_protocol(wsi, &wsi->vhost->protocols[n],
+				  "ws upgrade default pcol");
 
-	while (*p && !hit) {
-		n = 0;
-		non_space_char_found = 0;
-		while (n < (int)sizeof(protocol_name) - 1 &&
-		       *p && *p != ',') {
-			/* ignore leading spaces */
-			if (!non_space_char_found && *p == ' ') {
-				n++;
-				continue;
-			}
-			non_space_char_found = 1;
-			protocol_name[n++] = *p++;
-		}
-		protocol_name[n] = '\0';
-		if (*p)
-			p++;
+		goto alloc_ws;
+	}
 
-		lwsl_debug("checking %s\n", protocol_name);
+	/* otherwise go through the user-provided protocol list */
 
-		n = 0;
-		while (wsi->vhost->protocols[n].callback) {
-			lwsl_debug("try %s\n",
-				  wsi->vhost->protocols[n].name);
-
-			if (wsi->vhost->protocols[n].name &&
-			    !strcmp(wsi->vhost->protocols[n].name,
-				    protocol_name)) {
-				wsi->protocol = &wsi->vhost->protocols[n];
-				hit = 1;
-				break;
+	do {
+		e = lws_tokenize(&ts);
+		switch (e) {
+		case LWS_TOKZE_TOKEN:
+
+			if (lws_tokenize_cstr(&ts, name, sizeof(name))) {
+				lwsl_err("%s: pcol name too long\n", __func__);
+
+				return 1;
+			}
+			lwsl_debug("checking %s\n", name);
+			pcol = lws_vhost_name_to_protocol(wsi->vhost, name);
+			if (pcol) {
+				/* if we know it, bind to it and stop looking */
+				lws_bind_protocol(wsi, pcol, "ws upg pcol");
+				e = LWS_TOKZE_ENDED;
 			}
+			break;
 
-			n++;
-		}
-	}
+		case LWS_TOKZE_DELIMITER:
+		case LWS_TOKZE_ENDED:
+			break;
 
-	/* we didn't find a protocol he wanted? */
+		default:
+			lwsl_err("%s: malformatted protocol list", __func__);
 
-	if (!hit) {
-		if (lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL)) {
-			lwsl_notice("No protocol from \"%s\" supported\n",
-				 protocol_list);
 			return 1;
 		}
-		/*
-		 * some clients only have one protocol and
-		 * do not send the protocol list header...
-		 * allow it and match to the vhost's default
-		 * protocol (which itself defaults to zero)
-		 */
-		lwsl_info("defaulting to prot handler %d\n",
-			wsi->vhost->default_protocol_index);
-		n = wsi->vhost->default_protocol_index;
-		wsi->protocol = &wsi->vhost->protocols[
-			      (int)wsi->vhost->default_protocol_index];
+	} while (e > 0);
+
+	/* we didn't find a protocol he wanted? */
+
+	if (!pcol) {
+		lwsl_notice("No supported protocol \"%s\"\n", buf);
+
+		return 1;
 	}
 
+alloc_ws:
+
 	/* allocate the ws struct for the wsi */
+
 	wsi->ws = lws_zalloc(sizeof(*wsi->ws), "ws struct");
 	if (!wsi->ws) {
 		lwsl_notice("OOM\n");
@@ -383,6 +438,9 @@ lws_process_ws_upgrade(struct lws *wsi)
 				lwsl_notice("h2 ws handshake failed\n");
 				return 1;
 			}
+			lws_role_transition(wsi,
+					    LWSIFR_SERVER | LWSIFR_P_ENCAP_H2,
+					    LRS_ESTABLISHED, &role_ops_ws);
 		} else
 #endif
 		{
@@ -395,28 +453,6 @@ lws_process_ws_upgrade(struct lws *wsi)
 		break;
 	}
 
-	lws_same_vh_protocol_insert(wsi, n);
-
-	/*
-	 * We are upgrading to ws, so http/1.1 + h2 and keepalive + pipelined
-	 * header considerations about keeping the ah around no longer apply.
-	 *
-	 * However it's common for the first ws protocol data to have been
-	 * coalesced with the browser upgrade request and to already be in the
-	 * ah rx buffer.
-	 */
-
-	lws_pt_lock(pt, __func__);
-
-	if (wsi->h2_stream_carries_ws)
-		lws_role_transition(wsi, LWSIFR_SERVER | LWSIFR_P_ENCAP_H2,
-				    LRS_ESTABLISHED, &role_ops_ws);
-	else
-		lws_role_transition(wsi, LWSIFR_SERVER, LRS_ESTABLISHED,
-				    &role_ops_ws);
-
-	lws_pt_unlock(pt);
-
 	lws_server_init_wsi_for_ws(wsi);
 	lwsl_parser("accepted v%02d connection\n", wsi->ws->ietf_spec_revision);
 
@@ -443,7 +479,8 @@ handshake_0405(struct lws_context *context, struct lws *wsi)
 		goto bail;
 	}
 
-	if (lws_hdr_total_length(wsi, WSI_TOKEN_KEY) >= MAX_WEBSOCKET_04_KEY_LEN) {
+	if (lws_hdr_total_length(wsi, WSI_TOKEN_KEY) >=
+	    MAX_WEBSOCKET_04_KEY_LEN) {
 		lwsl_warn("Client key too long %d\n", MAX_WEBSOCKET_04_KEY_LEN);
 		goto bail;
 	}
@@ -473,7 +510,8 @@ handshake_0405(struct lws_context *context, struct lws *wsi)
 
 	/* make a buffer big enough for everything */
 
-	response = (char *)pt->serv_buf + MAX_WEBSOCKET_04_KEY_LEN + 256 + LWS_PRE;
+	response = (char *)pt->serv_buf + MAX_WEBSOCKET_04_KEY_LEN +
+		   256 + LWS_PRE;
 	p = response;
 	LWS_CPYAPP(p, "HTTP/1.1 101 Switching Protocols\x0d\x0a"
 		      "Upgrade: WebSocket\x0d\x0a"
@@ -566,9 +604,9 @@ bail:
 static int
 lws_ws_frame_rest_is_payload(struct lws *wsi, uint8_t **buf, size_t len)
 {
+	unsigned int avail = (unsigned int)len;
 	uint8_t *buffer = *buf, mask[4];
 	struct lws_tokens ebuf;
-	unsigned int avail = (unsigned int)len;
 #if !defined(LWS_WITHOUT_EXTENSIONS)
 	unsigned int old_packet_length = (int)wsi->ws->rx_packet_length;
 #endif
@@ -600,7 +638,7 @@ lws_ws_frame_rest_is_payload(struct lws *wsi, uint8_t **buf, size_t len)
 	if (avail > len)
 		avail = (unsigned int)len;
 
-	if (avail <= 0)
+	if (!avail)
 		return 0;
 
 	ebuf.token = (char *)buffer;
diff --git a/thirdparty/libwebsockets/tls/mbedtls/lws-genhash.c b/thirdparty/libwebsockets/lib/tls/mbedtls/lws-genhash.c
index ce4ee6e382..ce4ee6e382 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/lws-genhash.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/lws-genhash.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/lws-genrsa.c b/thirdparty/libwebsockets/lib/tls/mbedtls/lws-genrsa.c
index 70a9fcf42c..99b2e75653 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/lws-genrsa.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/lws-genrsa.c
@@ -36,8 +36,6 @@ lws_jwk_destroy_genrsa_elements(struct lws_genrsa_elements *el)
 LWS_VISIBLE int
 lws_genrsa_create(struct lws_genrsa_ctx *ctx, struct lws_genrsa_elements *el)
 {
-	int n;
-
 	memset(ctx, 0, sizeof(*ctx));
 	ctx->ctx = lws_zalloc(sizeof(*ctx->ctx), "genrsa");
 	if (!ctx->ctx)
@@ -46,6 +44,8 @@ lws_genrsa_create(struct lws_genrsa_ctx *ctx, struct lws_genrsa_elements *el)
 	mbedtls_rsa_init(ctx->ctx, MBEDTLS_RSA_PKCS_V15, 0);
 
 	{
+		int n;
+
 		mbedtls_mpi *mpi[LWS_COUNT_RSA_ELEMENTS] = {
 			&ctx->ctx->E, &ctx->ctx->N, &ctx->ctx->D, &ctx->ctx->P,
 			&ctx->ctx->Q, &ctx->ctx->DP, &ctx->ctx->DQ,
@@ -129,7 +129,7 @@ cleanup_1:
 
 LWS_VISIBLE int
 lws_genrsa_public_decrypt(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			   size_t in_len, uint8_t *out, size_t out_max)
+			  size_t in_len, uint8_t *out, size_t out_max)
 {
 	size_t olen = 0;
 	int n;
@@ -149,7 +149,7 @@ lws_genrsa_public_decrypt(struct lws_genrsa_ctx *ctx, const uint8_t *in,
 
 LWS_VISIBLE int
 lws_genrsa_public_encrypt(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			   size_t in_len, uint8_t *out)
+			  size_t in_len, uint8_t *out)
 {
 	int n;
 
@@ -213,8 +213,8 @@ lws_genrsa_public_verify(struct lws_genrsa_ctx *ctx, const uint8_t *in,
 
 LWS_VISIBLE int
 lws_genrsa_public_sign(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			 enum lws_genhash_types hash_type, uint8_t *sig,
-			 size_t sig_len)
+		       enum lws_genhash_types hash_type, uint8_t *sig,
+		       size_t sig_len)
 {
 	int n, h = lws_genrsa_genrsa_hash_to_mbed_hash(hash_type);
 
diff --git a/thirdparty/libwebsockets/tls/mbedtls/mbedtls-client.c b/thirdparty/libwebsockets/lib/tls/mbedtls/mbedtls-client.c
index a7864ab790..84270c15bc 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/mbedtls-client.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/mbedtls-client.c
@@ -30,7 +30,6 @@ OpenSSL_client_verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
 int
 lws_ssl_client_bio_create(struct lws *wsi)
 {
-	X509_VERIFY_PARAM *param;
 	char hostname[128], *p;
 	const char *alpn_comma = wsi->context->tls.alpn_default;
 	struct alpn_ctx protos;
@@ -63,7 +62,7 @@ lws_ssl_client_bio_create(struct lws *wsi)
 		SSL_set_info_callback(wsi->tls.ssl, lws_ssl_info_callback);
 
 	if (!(wsi->tls.use_ssl & LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK)) {
-		param = SSL_get0_param(wsi->tls.ssl);
+		X509_VERIFY_PARAM *param = SSL_get0_param(wsi->tls.ssl);
 		/* Enable automatic hostname checks */
 	//	X509_VERIFY_PARAM_set_hostflags(param,
 	//				X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
@@ -188,6 +187,8 @@ lws_tls_client_create_vhost_context(struct lws_vhost *vh,
 				    const struct lws_context_creation_info *info,
 				    const char *cipher_list,
 				    const char *ca_filepath,
+				    const void *ca_mem,
+				    unsigned int ca_mem_len,
 				    const char *cert_filepath,
 				    const char *private_key_filepath)
 {
@@ -214,16 +215,20 @@ lws_tls_client_create_vhost_context(struct lws_vhost *vh,
 		return 1;
 	}
 
-	if (!ca_filepath)
+	if (!ca_filepath && (!ca_mem || !ca_mem_len))
 		return 0;
 
-	if (alloc_file(vh->context, ca_filepath, &buf, &len)) {
-		lwsl_err("Load CA cert file %s failed\n", ca_filepath);
-		return 1;
+	if (ca_filepath) {
+		if (alloc_file(vh->context, ca_filepath, &buf, &len)) {
+			lwsl_err("Load CA cert file %s failed\n", ca_filepath);
+			return 1;
+		}
+		vh->tls.x509_client_CA = d2i_X509(NULL, buf, len);
+		free(buf);
+	} else {
+		vh->tls.x509_client_CA = d2i_X509(NULL, (uint8_t*)ca_mem, ca_mem_len);
 	}
 
-	vh->tls.x509_client_CA = d2i_X509(NULL, buf, len);
-	free(buf);
 	if (!vh->tls.x509_client_CA) {
 		lwsl_err("client CA: x509 parse failed\n");
 		return 1;
diff --git a/thirdparty/libwebsockets/tls/mbedtls/mbedtls-server.c b/thirdparty/libwebsockets/lib/tls/mbedtls/mbedtls-server.c
index f17c7e5494..df6ddf2c61 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/mbedtls-server.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/mbedtls-server.c
@@ -294,18 +294,20 @@ lws_tls_server_accept(struct lws *wsi)
 	if (n == 1) {
 
 		if (strstr(wsi->vhost->name, ".invalid")) {
-			lwsl_notice("%s: vhost has .invalid, rejecting accept\n", __func__);
+			lwsl_notice("%s: vhost has .invalid, "
+				    "rejecting accept\n", __func__);
 
 			return LWS_SSL_CAPABLE_ERROR;
 		}
 
-		n = lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_COMMON_NAME, &ir,
-					   sizeof(ir.ns.name));
+		n = lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_COMMON_NAME,
+					   &ir, sizeof(ir.ns.name));
 		if (!n)
 			lwsl_notice("%s: client cert CN '%s'\n",
 				    __func__, ir.ns.name);
 		else
-			lwsl_info("%s: couldn't get client cert CN\n", __func__);
+			lwsl_info("%s: couldn't get client cert CN\n",
+				  __func__);
 		return LWS_SSL_CAPABLE_DONE;
 	}
 
@@ -322,7 +324,8 @@ lws_tls_server_accept(struct lws *wsi)
 
 	if (m == SSL_ERROR_WANT_READ || SSL_want_read(wsi->tls.ssl)) {
 		if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) {
-			lwsl_info("%s: WANT_READ change_pollfd failed\n", __func__);
+			lwsl_info("%s: WANT_READ change_pollfd failed\n",
+				  __func__);
 			return LWS_SSL_CAPABLE_ERROR;
 		}
 
@@ -333,7 +336,8 @@ lws_tls_server_accept(struct lws *wsi)
 		lwsl_debug("%s: WANT_WRITE\n", __func__);
 
 		if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) {
-			lwsl_info("%s: WANT_WRITE change_pollfd failed\n", __func__);
+			lwsl_info("%s: WANT_WRITE change_pollfd failed\n",
+				  __func__);
 			return LWS_SSL_CAPABLE_ERROR;
 		}
 		return LWS_SSL_CAPABLE_MORE_SERVICE_WRITE;
@@ -554,7 +558,8 @@ lws_tls_acme_sni_cert_create(struct lws_vhost *vhost, const char *san_a,
 		//lwsl_hexdump_level(LLL_DEBUG, pkey_asn1, n);
 
 		/* and to use our generated private key */
-		n = SSL_CTX_use_PrivateKey_ASN1(0, vhost->tls.ssl_ctx, pkey_asn1, m);
+		n = SSL_CTX_use_PrivateKey_ASN1(0, vhost->tls.ssl_ctx,
+						pkey_asn1, m);
 		lws_free(pkey_asn1);
 		if (n != 1) {
 			lwsl_err("%s: SSL_CTX_use_PrivateKey_ASN1 failed\n",
diff --git a/thirdparty/libwebsockets/tls/mbedtls/ssl.c b/thirdparty/libwebsockets/lib/tls/mbedtls/ssl.c
index f311ef50e3..b81f88862b 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/ssl.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/ssl.c
@@ -33,7 +33,8 @@ lws_context_init_ssl_library(const struct lws_context_creation_info *info)
 	lwsl_info(" Compiled with MbedTLS support\n");
 
 	if (!lws_check_opt(info->options, LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT))
-		lwsl_info(" SSL disabled: no LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT\n");
+		lwsl_info(" SSL disabled: no "
+			  "LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT\n");
 
 	return 0;
 }
@@ -69,16 +70,17 @@ lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len)
 	errno = 0;
 	n = SSL_read(wsi->tls.ssl, buf, len);
 #if defined(LWS_WITH_ESP32)
-	if (!n && errno == ENOTCONN) {
+	if (!n && errno == LWS_ENOTCONN) {
 		lwsl_debug("%p: SSL_read ENOTCONN\n", wsi);
 		return LWS_SSL_CAPABLE_ERROR;
 	}
 #endif
 #if defined(LWS_WITH_STATS)
-	if (!wsi->seen_rx) {
+	if (!wsi->seen_rx && wsi->accept_start_us) {
                 lws_stats_atomic_bump(wsi->context, pt,
                 		      LWSSTATS_MS_SSL_RX_DELAY,
-				time_in_microseconds() - wsi->accept_start_us);
+				lws_time_in_microseconds() -
+				wsi->accept_start_us);
                 lws_stats_atomic_bump(wsi->context, pt,
                 		      LWSSTATS_C_SSL_CONNS_HAD_RX, 1);
 		wsi->seen_rx = 1;
@@ -133,23 +135,12 @@ lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len)
 	if (!wsi->tls.ssl)
 		goto bail;
 
-	if (!SSL_pending(wsi->tls.ssl))
-		goto bail;
+	if (SSL_pending(wsi->tls.ssl) &&
+	    lws_dll_is_null(&wsi->tls.pending_tls_list)) {
 
-	if (wsi->tls.pending_read_list_next)
-		return n;
-	if (wsi->tls.pending_read_list_prev)
-		return n;
-	if (pt->tls.pending_read_list == wsi)
-		return n;
-
-	/* add us to the linked list of guys with pending ssl */
-	if (pt->tls.pending_read_list)
-		pt->tls.pending_read_list->tls.pending_read_list_prev = wsi;
-
-	wsi->tls.pending_read_list_next = pt->tls.pending_read_list;
-	wsi->tls.pending_read_list_prev = NULL;
-	pt->tls.pending_read_list = wsi;
+		lws_dll_lws_add_front(&wsi->tls.pending_tls_list,
+				      &pt->tls.pending_tls_head);
+	}
 
 	return n;
 bail:
@@ -189,7 +180,7 @@ lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len)
 
 		if (m == SSL_ERROR_WANT_WRITE || SSL_want_write(wsi->tls.ssl)) {
 			lws_set_blocking_send(wsi);
-			lwsl_notice("%s: want write\n", __func__);
+			lwsl_debug("%s: want write\n", __func__);
 
 			return LWS_SSL_CAPABLE_MORE_SERVICE;
 		}
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl3.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl3.h
index 007b392f3e..007b392f3e 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl3.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl3.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_cert.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_cert.h
index 86cf31ad51..86cf31ad51 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_cert.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_cert.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_code.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_code.h
index 80fdbb20f3..80fdbb20f3 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_code.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_code.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_dbg.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_dbg.h
index ad32cb92ff..ad32cb92ff 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_dbg.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_dbg.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_lib.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_lib.h
index 42b2de7501..42b2de7501 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_lib.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_lib.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_methods.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_methods.h
index cd2f8c0533..cd2f8c0533 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_methods.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_methods.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_pkey.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_pkey.h
index e790fcc995..e790fcc995 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_pkey.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_pkey.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_stack.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_stack.h
index 7a7051a026..7a7051a026 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_stack.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_stack.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_types.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_types.h
index 68ac748a28..68ac748a28 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_types.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_types.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_x509.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_x509.h
index 7594d064b4..7594d064b4 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/ssl_x509.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/ssl_x509.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/tls1.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/tls1.h
index 7af1b0157d..7af1b0157d 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/tls1.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/tls1.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/x509_vfy.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/x509_vfy.h
index 26bf6c88a8..26bf6c88a8 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/internal/x509_vfy.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/internal/x509_vfy.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/openssl/ssl.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/openssl/ssl.h
index e2b74fc6af..e2b74fc6af 100755
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/openssl/ssl.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/openssl/ssl.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/platform/ssl_pm.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/platform/ssl_pm.h
index cbbe3aa3a2..cbbe3aa3a2 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/platform/ssl_pm.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/platform/ssl_pm.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/platform/ssl_port.h b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/platform/ssl_port.h
index 74c7634355..74c7634355 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/include/platform/ssl_port.h
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/include/platform/ssl_port.h
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_cert.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_cert.c
index 5c608125ac..5c608125ac 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_cert.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_cert.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_lib.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_lib.c
index 2f688ca9ef..2f688ca9ef 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_lib.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_lib.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_methods.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_methods.c
index 0002360846..0002360846 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_methods.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_methods.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_pkey.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_pkey.c
index 567a33e2c2..567a33e2c2 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_pkey.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_pkey.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_stack.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_stack.c
index da836daf9c..da836daf9c 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_stack.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_stack.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_x509.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_x509.c
index ed79150831..ed79150831 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/library/ssl_x509.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/library/ssl_x509.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/platform/ssl_pm.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/platform/ssl_pm.c
index 4716c1ff56..4716c1ff56 100755
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/platform/ssl_pm.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/platform/ssl_pm.c
diff --git a/thirdparty/libwebsockets/tls/mbedtls/wrapper/platform/ssl_port.c b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/platform/ssl_port.c
index 8c7a31338b..8c7a31338b 100644
--- a/thirdparty/libwebsockets/tls/mbedtls/wrapper/platform/ssl_port.c
+++ b/thirdparty/libwebsockets/lib/tls/mbedtls/wrapper/platform/ssl_port.c
diff --git a/thirdparty/libwebsockets/tls/private.h b/thirdparty/libwebsockets/lib/tls/private.h
index 606e2574dc..ad01bfd4fb 100644
--- a/thirdparty/libwebsockets/tls/private.h
+++ b/thirdparty/libwebsockets/lib/tls/private.h
@@ -64,6 +64,8 @@
    #include <openssl/err.h>
    #include <openssl/md5.h>
    #include <openssl/sha.h>
+   #include <openssl/rsa.h>
+   #include <openssl/bn.h>
    #ifdef LWS_HAVE_OPENSSL_ECDH_H
     #include <openssl/ecdh.h>
    #endif
@@ -71,8 +73,9 @@
   #endif /* not mbedtls */
   #if defined(OPENSSL_VERSION_NUMBER)
    #if (OPENSSL_VERSION_NUMBER < 0x0009080afL)
-/* later openssl defines this to negate the presence of tlsext... but it was only
- * introduced at 0.9.8j.  Earlier versions don't know it exists so don't
+/*
+ * later openssl defines this to negate the presence of tlsext... but it was
+ * only introduced at 0.9.8j.  Earlier versions don't know it exists so don't
  * define it... making it look like the feature exists...
  */
     #define OPENSSL_NO_TLSEXT
@@ -115,7 +118,7 @@ struct lws_context_tls {
 };
 
 struct lws_pt_tls {
-	struct lws *pending_read_list; /* linked list */
+	struct lws_dll_lws pending_tls_head;
 };
 
 struct lws_tls_ss_pieces;
@@ -149,7 +152,7 @@ struct lws_vhost_tls {
 struct lws_lws_tls {
 	lws_tls_conn *ssl;
 	lws_tls_bio *client_bio;
-	struct lws *pending_read_list_prev, *pending_read_list_next;
+	struct lws_dll_lws pending_tls_list;
 	unsigned int use_ssl;
 	unsigned int redirect_to_https:1;
 };
@@ -211,8 +214,8 @@ lws_tls_generic_cert_checks(struct lws_vhost *vhost, const char *cert,
 			    const char *private_key);
 LWS_EXTERN int
 lws_tls_alloc_pem_to_der_file(struct lws_context *context, const char *filename,
-			const char *inbuf, lws_filepos_t inlen,
-		      uint8_t **buf, lws_filepos_t *amount);
+			      const char *inbuf, lws_filepos_t inlen,
+			      uint8_t **buf, lws_filepos_t *amount);
 
 #if !defined(LWS_NO_SERVER)
  LWS_EXTERN int
@@ -260,6 +263,8 @@ lws_tls_client_create_vhost_context(struct lws_vhost *vh,
 				    const struct lws_context_creation_info *info,
 				    const char *cipher_list,
 				    const char *ca_filepath,
+				    const void *ca_mem,
+				    unsigned int ca_mem_len,
 				    const char *cert_filepath,
 				    const char *private_key_filepath);
 
@@ -278,4 +283,4 @@ lws_ssl_info_callback(const lws_tls_conn *ssl, int where, int ret);
 int
 lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/thirdparty/libwebsockets/tls/tls-client.c b/thirdparty/libwebsockets/lib/tls/tls-client.c
index 70eb6f6078..f69c685fa7 100644
--- a/thirdparty/libwebsockets/tls/tls-client.c
+++ b/thirdparty/libwebsockets/lib/tls/tls-client.c
@@ -1,7 +1,7 @@
 /*
  * libwebsockets - client-related ssl code independent of backend
  *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -89,10 +89,10 @@ lws_ssl_client_connect2(struct lws *wsi, char *errbuf, int len)
 int lws_context_init_client_ssl(const struct lws_context_creation_info *info,
 				struct lws_vhost *vhost)
 {
-	const char *ca_filepath = info->ssl_ca_filepath;
-	const char *cipher_list = info->ssl_cipher_list;
 	const char *private_key_filepath = info->ssl_private_key_filepath;
 	const char *cert_filepath = info->ssl_cert_filepath;
+	const char *ca_filepath = info->ssl_ca_filepath;
+	const char *cipher_list = info->ssl_cipher_list;
 	struct lws wsi;
 
 	if (vhost->options & LWS_SERVER_OPTION_ONLY_RAW)
@@ -128,7 +128,10 @@ int lws_context_init_client_ssl(const struct lws_context_creation_info *info,
 	}
 
 	if (lws_tls_client_create_vhost_context(vhost, info, cipher_list,
-						ca_filepath, cert_filepath,
+						ca_filepath,
+						info->client_ssl_ca_mem,
+						info->client_ssl_ca_mem_len,
+						cert_filepath,
 						private_key_filepath))
 		return 1;
 
@@ -139,12 +142,12 @@ int lws_context_init_client_ssl(const struct lws_context_creation_info *info,
 	 * lws_get_context() in the callback
 	 */
 	memset(&wsi, 0, sizeof(wsi));
-	wsi.vhost = vhost;
+	wsi.vhost = vhost; /* not a real bound wsi */
 	wsi.context = vhost->context;
 
 	vhost->protocols[0].callback(&wsi,
 			LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS,
-				       vhost->tls.ssl_client_ctx, NULL, 0);
+				     vhost->tls.ssl_client_ctx, NULL, 0);
 
 	return 0;
 }
diff --git a/thirdparty/libwebsockets/tls/tls-server.c b/thirdparty/libwebsockets/lib/tls/tls-server.c
index 440e790660..9d3f70dbea 100644
--- a/thirdparty/libwebsockets/tls/tls-server.c
+++ b/thirdparty/libwebsockets/lib/tls/tls-server.c
@@ -56,7 +56,8 @@ lws_context_init_alpn(struct lws_vhost *vhost)
 					vhost->tls.alpn_ctx.data,
 					sizeof(vhost->tls.alpn_ctx.data) - 1);
 
-	SSL_CTX_set_alpn_select_cb(vhost->tls.ssl_ctx, alpn_cb, &vhost->tls.alpn_ctx);
+	SSL_CTX_set_alpn_select_cb(vhost->tls.ssl_ctx, alpn_cb,
+				   &vhost->tls.alpn_ctx);
 #else
 	lwsl_err(
 		" HTTP2 / ALPN configured but not supported by OpenSSL 0x%lx\n",
@@ -139,7 +140,7 @@ lws_context_init_server_ssl(const struct lws_context_creation_info *info,
 	 * lws_get_context() in the callback
 	 */
 	memset(&wsi, 0, sizeof(wsi));
-	wsi.vhost = vhost;
+	wsi.vhost = vhost; /* not a real bound wsi */
 	wsi.context = context;
 
 	/*
@@ -177,10 +178,10 @@ LWS_VISIBLE int
 lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd)
 {
 	struct lws_context *context = wsi->context;
-	struct lws_vhost *vh;
 	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-	int n;
+	struct lws_vhost *vh;
         char buf[256];
+	int n;
 
         (void)buf;
 
@@ -312,12 +313,14 @@ lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd)
 		/* normal SSL connection processing path */
 
 #if defined(LWS_WITH_STATS)
+		/* only set this the first time around */
 		if (!wsi->accept_start_us)
-			wsi->accept_start_us = time_in_microseconds();
+			wsi->accept_start_us = lws_time_in_microseconds();
 #endif
 		errno = 0;
 		lws_stats_atomic_bump(wsi->context, pt,
-				      LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN, 1);
+				      LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN,
+				      1);
 		n = lws_tls_server_accept(wsi);
 		lws_latency(context, wsi,
 			"SSL_accept LRS_SSL_ACK_PENDING\n", n, n == 1);
@@ -327,7 +330,8 @@ lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd)
 			break;
 		case LWS_SSL_CAPABLE_ERROR:
 			lws_stats_atomic_bump(wsi->context, pt,
-					      LWSSTATS_C_SSL_CONNECTIONS_FAILED, 1);
+					      LWSSTATS_C_SSL_CONNECTIONS_FAILED,
+					      1);
 	                lwsl_info("SSL_accept failed socket %u: %d\n",
 	                		wsi->desc.sockfd, n);
 			wsi->socket_is_permanently_unusable = 1;
@@ -340,10 +344,12 @@ lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd)
 		lws_stats_atomic_bump(wsi->context, pt,
 				      LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED, 1);
 #if defined(LWS_WITH_STATS)
-		lws_stats_atomic_bump(wsi->context, pt,
+		if (wsi->accept_start_us)
+			lws_stats_atomic_bump(wsi->context, pt,
 				      LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY,
-				      time_in_microseconds() - wsi->accept_start_us);
-		wsi->accept_start_us = time_in_microseconds();
+				      lws_time_in_microseconds() -
+					      wsi->accept_start_us);
+		wsi->accept_start_us = lws_time_in_microseconds();
 #endif
 
 accepted:
@@ -354,7 +360,7 @@ accepted:
 			if (!vh->being_destroyed && wsi->tls.ssl &&
 			    vh->tls.ssl_ctx == lws_tls_ctx_from_wsi(wsi)) {
 				lwsl_info("setting wsi to vh %s\n", vh->name);
-				wsi->vhost = vh;
+				lws_vhost_bind_wsi(vh, wsi);
 				break;
 			}
 			vh = vh->vhost_next;
diff --git a/thirdparty/libwebsockets/tls/tls.c b/thirdparty/libwebsockets/lib/tls/tls.c
index 92b7c5593c..a32951689f 100644
--- a/thirdparty/libwebsockets/tls/tls.c
+++ b/thirdparty/libwebsockets/lib/tls/tls.c
@@ -30,18 +30,18 @@
 int
 lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt)
 {
-	struct lws *wsi, *wsi_next;
 	int ret = 0;
 
-	wsi = pt->tls.pending_read_list;
-	while (wsi && wsi->position_in_fds_table != LWS_NO_FDS_POS) {
-		wsi_next = wsi->tls.pending_read_list_next;
+	lws_start_foreach_dll_safe(struct lws_dll_lws *, p, p1,
+				   pt->tls.pending_tls_head.next) {
+		struct lws *wsi = lws_container_of(p, struct lws,
+						   tls.pending_tls_list);
+
 		pt->fds[wsi->position_in_fds_table].revents |=
 			pt->fds[wsi->position_in_fds_table].events & LWS_POLLIN;
 		ret |= pt->fds[wsi->position_in_fds_table].revents & LWS_POLLIN;
 
-		wsi = wsi_next;
-	}
+	} lws_end_foreach_dll_safe(p, p1);
 
 	return !!ret;
 }
@@ -49,29 +49,10 @@ lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt)
 void
 __lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi)
 {
-	struct lws_context *context = wsi->context;
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-
-	if (!wsi->tls.pending_read_list_prev &&
-	    !wsi->tls.pending_read_list_next &&
-	    pt->tls.pending_read_list != wsi)
-		/* we are not on the list */
+	if (lws_dll_is_null(&wsi->tls.pending_tls_list))
 		return;
 
-	/* point previous guy's next to our next */
-	if (!wsi->tls.pending_read_list_prev)
-		pt->tls.pending_read_list = wsi->tls.pending_read_list_next;
-	else
-		wsi->tls.pending_read_list_prev->tls.pending_read_list_next =
-			wsi->tls.pending_read_list_next;
-
-	/* point next guy's previous to our previous */
-	if (wsi->tls.pending_read_list_next)
-		wsi->tls.pending_read_list_next->tls.pending_read_list_prev =
-			wsi->tls.pending_read_list_prev;
-
-	wsi->tls.pending_read_list_prev = NULL;
-	wsi->tls.pending_read_list_next = NULL;
+	lws_dll_lws_remove(&wsi->tls.pending_tls_list);
 }
 
 void
@@ -173,12 +154,12 @@ bail:
 
 int
 lws_tls_alloc_pem_to_der_file(struct lws_context *context, const char *filename,
-			const char *inbuf, lws_filepos_t inlen,
-		      uint8_t **buf, lws_filepos_t *amount)
+			      const char *inbuf, lws_filepos_t inlen,
+			      uint8_t **buf, lws_filepos_t *amount)
 {
 	const uint8_t *pem, *p, *end;
-	uint8_t *q;
 	lws_filepos_t len;
+	uint8_t *q;
 	int n;
 
 	if (filename) {
@@ -238,23 +219,25 @@ bail:
 int
 lws_tls_check_cert_lifetime(struct lws_vhost *v)
 {
-	union lws_tls_cert_info_results ir;
 	time_t now = (time_t)lws_now_secs(), life = 0;
 	struct lws_acme_cert_aging_args caa;
+	union lws_tls_cert_info_results ir;
 	int n;
 
 	if (v->tls.ssl_ctx && !v->tls.skipped_certs) {
 
-		if (now < 1464083026) /* May 2016 */
+		if (now < 1542933698) /* Nov 23 2018 00:42 UTC */
 			/* our clock is wrong and we can't judge the certs */
 			return -1;
 
-		n = lws_tls_vhost_cert_info(v, LWS_TLS_CERT_INFO_VALIDITY_TO, &ir, 0);
+		n = lws_tls_vhost_cert_info(v, LWS_TLS_CERT_INFO_VALIDITY_TO,
+					    &ir, 0);
 		if (n)
 			return 1;
 
 		life = (ir.time - now) / (24 * 3600);
-		lwsl_notice("   vhost %s: cert expiry: %dd\n", v->name, (int)life);
+		lwsl_notice("   vhost %s: cert expiry: %dd\n", v->name,
+			    (int)life);
 	} else
 		lwsl_notice("   vhost %s: no cert\n", v->name);
 
@@ -446,7 +429,7 @@ lws_tls_cert_updated(struct lws_context *context, const char *certpath,
 	wsi.context = context;
 
 	lws_start_foreach_ll(struct lws_vhost *, v, context->vhost_list) {
-		wsi.vhost = v;
+		wsi.vhost = v; /* not a real bound wsi */
 		if (v->tls.alloc_cert_path && v->tls.key_path &&
 		    !strcmp(v->tls.alloc_cert_path, certpath) &&
 		    !strcmp(v->tls.key_path, keypath)) {
diff --git a/thirdparty/libwebsockets/libwebsockets.h b/thirdparty/libwebsockets/libwebsockets.h
deleted file mode 100644
index 2c01696404..0000000000
--- a/thirdparty/libwebsockets/libwebsockets.h
+++ /dev/null
@@ -1,7346 +0,0 @@
-/*
- * libwebsockets - small server side websockets and web server implementation
- *
- * Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation:
- *  version 2.1 of the License.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- *  MA  02110-1301  USA
- */
-
-/** @file */
-
-#ifndef LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
-#define LIBWEBSOCKET_H_3060898B846849FF9F88F5DB59B5950C
-
-#ifdef __cplusplus
-#include <cstddef>
-#include <cstdarg>
-
-extern "C" {
-#else
-#include <stdarg.h>
-#endif
-
-#include <string.h>
-#include <stdlib.h>
-
-#include "lws_config.h"
-
-/*
- * CARE: everything using cmake defines needs to be below here
- */
-
-#if defined(LWS_HAS_INTPTR_T)
-#include <stdint.h>
-#define lws_intptr_t intptr_t
-#else
-typedef unsigned long long lws_intptr_t;
-#endif
-
-#if defined(WIN32) || defined(_WIN32)
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <stddef.h>
-#include <basetsd.h>
-#include <io.h>
-#ifndef _WIN32_WCE
-#include <fcntl.h>
-#else
-#define _O_RDONLY	0x0000
-#define O_RDONLY	_O_RDONLY
-#endif
-
-#define LWS_INLINE __inline
-#define LWS_VISIBLE
-#define LWS_WARN_UNUSED_RESULT
-#define LWS_WARN_DEPRECATED
-#define LWS_FORMAT(string_index)
-
-#ifdef LWS_DLL
-#ifdef LWS_INTERNAL
-#define LWS_EXTERN extern __declspec(dllexport)
-#else
-#define LWS_EXTERN extern __declspec(dllimport)
-#endif
-#else
-#define LWS_EXTERN
-#endif
-
-#define LWS_INVALID_FILE INVALID_HANDLE_VALUE
-#define LWS_O_RDONLY _O_RDONLY
-#define LWS_O_WRONLY _O_WRONLY
-#define LWS_O_CREAT _O_CREAT
-#define LWS_O_TRUNC _O_TRUNC
-
-#ifndef __func__
-#define __func__ __FUNCTION__
-#endif
-
-#else /* NOT WIN32 */
-#include <unistd.h>
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-#include <sys/capability.h>
-#endif
-
-#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__QNX__) || defined(__OpenBSD__)
-#include <sys/socket.h>
-#include <netinet/in.h>
-#endif
-
-#define LWS_INLINE inline
-#define LWS_O_RDONLY O_RDONLY
-#define LWS_O_WRONLY O_WRONLY
-#define LWS_O_CREAT O_CREAT
-#define LWS_O_TRUNC O_TRUNC
-
-#if !defined(LWS_PLAT_OPTEE) && !defined(OPTEE_TA) && !defined(LWS_WITH_ESP32)
-#include <poll.h>
-#include <netdb.h>
-#define LWS_INVALID_FILE -1
-#else
-#define getdtablesize() (30)
-#if defined(LWS_WITH_ESP32)
-#define LWS_INVALID_FILE NULL
-#else
-#define LWS_INVALID_FILE NULL
-#endif
-#endif
-
-#if defined(__GNUC__)
-
-/* warn_unused_result attribute only supported by GCC 3.4 or later */
-#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-#define LWS_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
-#else
-#define LWS_WARN_UNUSED_RESULT
-#endif
-
-#define LWS_VISIBLE __attribute__((visibility("default")))
-#define LWS_WARN_DEPRECATED __attribute__ ((deprecated))
-#define LWS_FORMAT(string_index) __attribute__ ((format(printf, string_index, string_index+1)))
-#else
-#define LWS_VISIBLE
-#define LWS_WARN_UNUSED_RESULT
-#define LWS_WARN_DEPRECATED
-#define LWS_FORMAT(string_index)
-#endif
-
-#if defined(__ANDROID__)
-#include <netinet/in.h>
-#include <unistd.h>
-#define getdtablesize() sysconf(_SC_OPEN_MAX)
-#endif
-
-#endif
-
-#if defined(LWS_WITH_LIBEV)
-#include <ev.h>
-#endif /* LWS_WITH_LIBEV */
-#ifdef LWS_WITH_LIBUV
-#include <uv.h>
-#ifdef LWS_HAVE_UV_VERSION_H
-#include <uv-version.h>
-#endif
-#ifdef LWS_HAVE_NEW_UV_VERSION_H
-#include <uv/version.h>
-#endif
-#endif /* LWS_WITH_LIBUV */
-#if defined(LWS_WITH_LIBEVENT)
-#include <event2/event.h>
-#endif /* LWS_WITH_LIBEVENT */
-
-#ifndef LWS_EXTERN
-#define LWS_EXTERN extern
-#endif
-
-#ifdef _WIN32
-#define random rand
-#else
-#if !defined(OPTEE_TA)
-#include <sys/time.h>
-#include <unistd.h>
-#endif
-#endif
-
-#if defined(LWS_WITH_TLS)
-
-#ifdef USE_WOLFSSL
-#ifdef USE_OLD_CYASSL
-#ifdef _WIN32
-/*
- * Include user-controlled settings for windows from
- * <wolfssl-root>/IDE/WIN/user_settings.h
- */
-#include <IDE/WIN/user_settings.h>
-#include <cyassl/ctaocrypt/settings.h>
-#else
-#include <cyassl/options.h>
-#endif
-#include <cyassl/openssl/ssl.h>
-#include <cyassl/error-ssl.h>
-
-#else
-#ifdef _WIN32
-/*
- * Include user-controlled settings for windows from
- * <wolfssl-root>/IDE/WIN/user_settings.h
- */
-#include <IDE/WIN/user_settings.h>
-#include <wolfssl/wolfcrypt/settings.h>
-#else
-#include <wolfssl/options.h>
-#endif
-#include <wolfssl/openssl/ssl.h>
-#include <wolfssl/error-ssl.h>
-#endif /* not USE_OLD_CYASSL */
-#else
-#if defined(LWS_WITH_MBEDTLS)
-#if defined(LWS_WITH_ESP32)
-/* this filepath is passed to us but without quotes or <> */
-#undef MBEDTLS_CONFIG_FILE
-#define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
-#endif
-#include <mbedtls/ssl.h>
-#else
-#include <openssl/ssl.h>
-#if !defined(LWS_WITH_MBEDTLS)
-#include <openssl/err.h>
-#endif
-#endif
-#endif /* not USE_WOLFSSL */
-#endif
-
-/*
- * Helpers for pthread mutex in user code... if lws is built for
- * multiple service threads, these resolve to pthread mutex
- * operations.  In the case LWS_MAX_SMP is 1 (the default), they
- * are all NOPs and no pthread type or api is referenced.
- */
-
-#if LWS_MAX_SMP > 1
-
-#include <pthread.h>
-
-#define lws_pthread_mutex(name) pthread_mutex_t name;
-
-static LWS_INLINE void
-lws_pthread_mutex_init(pthread_mutex_t *lock)
-{
-	pthread_mutex_init(lock, NULL);
-}
-
-static LWS_INLINE void
-lws_pthread_mutex_destroy(pthread_mutex_t *lock)
-{
-	pthread_mutex_destroy(lock);
-}
-
-static LWS_INLINE void
-lws_pthread_mutex_lock(pthread_mutex_t *lock)
-{
-	pthread_mutex_lock(lock);
-}
-
-static LWS_INLINE void
-lws_pthread_mutex_unlock(pthread_mutex_t *lock)
-{
-	pthread_mutex_unlock(lock);
-}
-
-#else
-#define lws_pthread_mutex(name)
-#define lws_pthread_mutex_init(_a)
-#define lws_pthread_mutex_destroy(_a)
-#define lws_pthread_mutex_lock(_a)
-#define lws_pthread_mutex_unlock(_a)
-#endif
-
-
-#define CONTEXT_PORT_NO_LISTEN -1
-#define CONTEXT_PORT_NO_LISTEN_SERVER -2
-
-/** \defgroup log Logging
- *
- * ##Logging
- *
- * Lws provides flexible and filterable logging facilities, which can be
- * used inside lws and in user code.
- *
- * Log categories may be individually filtered bitwise, and directed to built-in
- * sinks for syslog-compatible logging, or a user-defined function.
- */
-///@{
-
-enum lws_log_levels {
-	LLL_ERR = 1 << 0,
-	LLL_WARN = 1 << 1,
-	LLL_NOTICE = 1 << 2,
-	LLL_INFO = 1 << 3,
-	LLL_DEBUG = 1 << 4,
-	LLL_PARSER = 1 << 5,
-	LLL_HEADER = 1 << 6,
-	LLL_EXT = 1 << 7,
-	LLL_CLIENT = 1 << 8,
-	LLL_LATENCY = 1 << 9,
-	LLL_USER = 1 << 10,
-
-	LLL_COUNT = 11 /* set to count of valid flags */
-};
-
-LWS_VISIBLE LWS_EXTERN void _lws_log(int filter, const char *format, ...) LWS_FORMAT(2);
-LWS_VISIBLE LWS_EXTERN void _lws_logv(int filter, const char *format, va_list vl);
-/**
- * lwsl_timestamp: generate logging timestamp string
- *
- * \param level:	logging level
- * \param p:		char * buffer to take timestamp
- * \param len:	length of p
- *
- * returns length written in p
- */
-LWS_VISIBLE LWS_EXTERN int
-lwsl_timestamp(int level, char *p, int len);
-
-/* these guys are unconditionally included */
-
-#define lwsl_err(...) _lws_log(LLL_ERR, __VA_ARGS__)
-#define lwsl_user(...) _lws_log(LLL_USER, __VA_ARGS__)
-
-#if !defined(LWS_WITH_NO_LOGS)
-/* notice and warn are usually included by being compiled in */
-#define lwsl_warn(...) _lws_log(LLL_WARN, __VA_ARGS__)
-#define lwsl_notice(...) _lws_log(LLL_NOTICE, __VA_ARGS__)
-#endif
-/*
- *  weaker logging can be deselected by telling CMake to build in RELEASE mode
- *  that gets rid of the overhead of checking while keeping _warn and _err
- *  active
- */
-
-#ifdef _DEBUG
-#if defined(LWS_WITH_NO_LOGS)
-/* notice, warn and log are always compiled in */
-#define lwsl_warn(...) _lws_log(LLL_WARN, __VA_ARGS__)
-#define lwsl_notice(...) _lws_log(LLL_NOTICE, __VA_ARGS__)
-#endif
-#define lwsl_info(...) _lws_log(LLL_INFO, __VA_ARGS__)
-#define lwsl_debug(...) _lws_log(LLL_DEBUG, __VA_ARGS__)
-#define lwsl_parser(...) _lws_log(LLL_PARSER, __VA_ARGS__)
-#define lwsl_header(...)  _lws_log(LLL_HEADER, __VA_ARGS__)
-#define lwsl_ext(...)  _lws_log(LLL_EXT, __VA_ARGS__)
-#define lwsl_client(...) _lws_log(LLL_CLIENT, __VA_ARGS__)
-#define lwsl_latency(...) _lws_log(LLL_LATENCY, __VA_ARGS__)
-
-#else /* no debug */
-#if defined(LWS_WITH_NO_LOGS)
-#define lwsl_warn(...) do {} while(0)
-#define lwsl_notice(...) do {} while(0)
-#endif
-#define lwsl_info(...) do {} while(0)
-#define lwsl_debug(...) do {} while(0)
-#define lwsl_parser(...) do {} while(0)
-#define lwsl_header(...) do {} while(0)
-#define lwsl_ext(...) do {} while(0)
-#define lwsl_client(...) do {} while(0)
-#define lwsl_latency(...) do {} while(0)
-
-#endif
-
-#define lwsl_hexdump_err(...) lwsl_hexdump_level(LLL_ERR, __VA_ARGS__)
-#define lwsl_hexdump_warn(...) lwsl_hexdump_level(LLL_WARN, __VA_ARGS__)
-#define lwsl_hexdump_notice(...) lwsl_hexdump_level(LLL_NOTICE, __VA_ARGS__)
-#define lwsl_hexdump_info(...) lwsl_hexdump_level(LLL_INFO, __VA_ARGS__)
-#define lwsl_hexdump_debug(...) lwsl_hexdump_level(LLL_DEBUG, __VA_ARGS__)
-
-/**
- * lwsl_hexdump_level() - helper to hexdump a buffer at a selected debug level
- *
- * \param level: one of LLL_ constants
- * \param vbuf: buffer start to dump
- * \param len: length of buffer to dump
- *
- * If \p level is visible, does a nice hexdump -C style dump of \p vbuf for
- * \p len bytes.  This can be extremely convenient while debugging.
- */
-LWS_VISIBLE LWS_EXTERN void
-lwsl_hexdump_level(int level, const void *vbuf, size_t len);
-
-/**
- * lwsl_hexdump() - helper to hexdump a buffer (DEBUG builds only)
- *
- * \param buf: buffer start to dump
- * \param len: length of buffer to dump
- *
- * Calls through to lwsl_hexdump_level(LLL_DEBUG, ... for compatability.
- * It's better to use lwsl_hexdump_level(level, ... directly so you can control
- * the visibility.
- */
-LWS_VISIBLE LWS_EXTERN void
-lwsl_hexdump(const void *buf, size_t len);
-
-/**
- * lws_is_be() - returns nonzero if the platform is Big Endian
- */
-static LWS_INLINE int lws_is_be(void) {
-	const int probe = ~0xff;
-
-	return *(const char *)&probe;
-}
-
-/**
- * lws_set_log_level() - Set the logging bitfield
- * \param level:	OR together the LLL_ debug contexts you want output from
- * \param log_emit_function:	NULL to leave it as it is, or a user-supplied
- *			function to perform log string emission instead of
- *			the default stderr one.
- *
- *	log level defaults to "err", "warn" and "notice" contexts enabled and
- *	emission on stderr.  If stderr is a tty (according to isatty()) then
- *	the output is coloured according to the log level using ANSI escapes.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_set_log_level(int level,
-		  void (*log_emit_function)(int level, const char *line));
-
-/**
- * lwsl_emit_syslog() - helper log emit function writes to system log
- *
- * \param level: one of LLL_ log level indexes
- * \param line: log string
- *
- * You use this by passing the function pointer to lws_set_log_level(), to set
- * it as the log emit function, it is not called directly.
- */
-LWS_VISIBLE LWS_EXTERN void
-lwsl_emit_syslog(int level, const char *line);
-
-/**
- * lwsl_visible() - returns true if the log level should be printed
- *
- * \param level: one of LLL_ log level indexes
- *
- * This is useful if you have to do work to generate the log content, you
- * can skip the work if the log level used to print it is not actually
- * enabled at runtime.
- */
-LWS_VISIBLE LWS_EXTERN int
-lwsl_visible(int level);
-
-///@}
-
-
-#include <stddef.h>
-
-#ifndef lws_container_of
-#define lws_container_of(P,T,M)	((T *)((char *)(P) - offsetof(T, M)))
-#endif
-
-struct lws;
-
-typedef int64_t lws_usec_t;
-
-/* api change list for user code to test against */
-
-#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_ARG
-
-/* the struct lws_protocols has the id field present */
-#define LWS_FEATURE_PROTOCOLS_HAS_ID_FIELD
-
-/* you can call lws_get_peer_write_allowance */
-#define LWS_FEATURE_PROTOCOLS_HAS_PEER_WRITE_ALLOWANCE
-
-/* extra parameter introduced in 917f43ab821 */
-#define LWS_FEATURE_SERVE_HTTP_FILE_HAS_OTHER_HEADERS_LEN
-
-/* File operations stuff exists */
-#define LWS_FEATURE_FOPS
-
-
-#if defined(_WIN32)
-typedef SOCKET lws_sockfd_type;
-typedef HANDLE lws_filefd_type;
-
-struct lws_pollfd {
-	lws_sockfd_type fd; /**< file descriptor */
-	SHORT events; /**< which events to respond to */
-	SHORT revents; /**< which events happened */
-};
-#define LWS_POLLHUP (FD_CLOSE)
-#define LWS_POLLIN (FD_READ | FD_ACCEPT)
-#define LWS_POLLOUT (FD_WRITE)
-#else
-
-
-#if defined(LWS_WITH_ESP32)
-
-typedef int lws_sockfd_type;
-typedef int lws_filefd_type;
-
-struct pollfd {
-	lws_sockfd_type fd; /**< fd related to */
-	short events; /**< which POLL... events to respond to */
-	short revents; /**< which POLL... events occurred */
-};
-#define POLLIN		0x0001
-#define POLLPRI		0x0002
-#define POLLOUT		0x0004
-#define POLLERR		0x0008
-#define POLLHUP		0x0010
-#define POLLNVAL	0x0020
-
-#include <freertos/FreeRTOS.h>
-#include <freertos/event_groups.h>
-#include <string.h>
-#include "esp_wifi.h"
-#include "esp_system.h"
-#include "esp_event.h"
-#include "esp_event_loop.h"
-#include "nvs.h"
-#include "driver/gpio.h"
-#include "esp_spi_flash.h"
-#include "freertos/timers.h"
-
-#if !defined(CONFIG_FREERTOS_HZ)
-#define CONFIG_FREERTOS_HZ 100
-#endif
-
-typedef TimerHandle_t uv_timer_t;
-typedef void uv_cb_t(uv_timer_t *);
-typedef void * uv_handle_t;
-
-struct timer_mapping {
-	uv_cb_t *cb;
-	uv_timer_t *t;
-};
-
-#define UV_VERSION_MAJOR 1
-
-#define lws_uv_getloop(a, b) (NULL)
-
-static LWS_INLINE void uv_timer_init(void *l, uv_timer_t *t)
-{
-	(void)l;
-	*t = NULL;
-}
-
-extern void esp32_uvtimer_cb(TimerHandle_t t);
-
-static LWS_INLINE void uv_timer_start(uv_timer_t *t, uv_cb_t *cb, int first, int rep)
-{
-	struct timer_mapping *tm = (struct timer_mapping *)malloc(sizeof(*tm));
-
-	if (!tm)
-		return;
-
-	tm->t = t;
-	tm->cb = cb;
-
-	*t = xTimerCreate("x", pdMS_TO_TICKS(first), !!rep, tm,
-			  (TimerCallbackFunction_t)esp32_uvtimer_cb);
-	xTimerStart(*t, 0);
-}
-
-static LWS_INLINE void uv_timer_stop(uv_timer_t *t)
-{
-	xTimerStop(*t, 0);
-}
-
-static LWS_INLINE void uv_close(uv_handle_t *h, void *v)
-{
-	free(pvTimerGetTimerID((uv_timer_t)h));
-	xTimerDelete(*(uv_timer_t *)h, 0);
-}
-
-/* ESP32 helper declarations */
-
-#include <mdns.h>
-#include <esp_partition.h>
-
-#define LWS_PLUGIN_STATIC
-#define LWS_MAGIC_REBOOT_TYPE_ADS 0x50001ffc
-#define LWS_MAGIC_REBOOT_TYPE_REQ_FACTORY 0xb00bcafe
-#define LWS_MAGIC_REBOOT_TYPE_FORCED_FACTORY 0xfaceb00b
-#define LWS_MAGIC_REBOOT_TYPE_FORCED_FACTORY_BUTTON 0xf0cedfac
-
-
-/* user code provides these */
-
-extern void
-lws_esp32_identify_physical_device(void);
-
-/* lws-plat-esp32 provides these */
-
-typedef void (*lws_cb_scan_done)(uint16_t count, wifi_ap_record_t *recs, void *arg);
-
-enum genled_state {
-	LWSESP32_GENLED__INIT,
-	LWSESP32_GENLED__LOST_NETWORK,
-	LWSESP32_GENLED__NO_NETWORK,
-	LWSESP32_GENLED__CONN_AP,
-	LWSESP32_GENLED__GOT_IP,
-	LWSESP32_GENLED__OK,
-};
-
-struct lws_group_member {
-	struct lws_group_member *next;
-	uint64_t last_seen;
-	char model[16];
-	char role[16];
-	char host[32];
-	char mac[20];
-	int width, height;
-	struct ip4_addr addr;
-	struct ip6_addr addrv6;
-	uint8_t	flags;
-};
-
-#define LWS_SYSTEM_GROUP_MEMBER_ADD		1
-#define LWS_SYSTEM_GROUP_MEMBER_CHANGE		2
-#define LWS_SYSTEM_GROUP_MEMBER_REMOVE		3
-
-#define LWS_GROUP_FLAG_SELF 1
-
-struct lws_esp32 {
-	char sta_ip[16];
-	char sta_mask[16];
-	char sta_gw[16];
-	char serial[16];
-	char opts[16];
-	char model[16];
-	char group[16];
-	char role[16];
-	char ssid[4][64];
-	char password[4][64];
-	char active_ssid[64];
-	char access_pw[16];
-	char hostname[32];
-	char mac[20];
-	char le_dns[64];
-	char le_email[64];
-       	char region;
-       	char inet;
-	char conn_ap;
-
-	enum genled_state genled;
-	uint64_t genled_t;
-
-	lws_cb_scan_done scan_consumer;
-	void *scan_consumer_arg;
-	struct lws_group_member *first;
-	int extant_group_members;
-
-	char acme;
-	char upload;
-
-	volatile char button_is_down;
-};
-
-struct lws_esp32_image {
-	uint32_t romfs;
-	uint32_t romfs_len;
-	uint32_t json;
-	uint32_t json_len;
-};
-
-extern struct lws_esp32 lws_esp32;
-struct lws_vhost;
-
-extern esp_err_t
-lws_esp32_event_passthru(void *ctx, system_event_t *event);
-extern void
-lws_esp32_wlan_config(void);
-extern void
-lws_esp32_wlan_start_ap(void);
-extern void
-lws_esp32_wlan_start_station(void);
-struct lws_context_creation_info;
-extern void
-lws_esp32_set_creation_defaults(struct lws_context_creation_info *info);
-extern struct lws_context *
-lws_esp32_init(struct lws_context_creation_info *, struct lws_vhost **pvh);
-extern int
-lws_esp32_wlan_nvs_get(int retry);
-extern esp_err_t
-lws_nvs_set_str(nvs_handle handle, const char* key, const char* value);
-extern void
-lws_esp32_restart_guided(uint32_t type);
-extern const esp_partition_t *
-lws_esp_ota_get_boot_partition(void);
-extern int
-lws_esp32_get_image_info(const esp_partition_t *part, struct lws_esp32_image *i, char *json, int json_len);
-extern int
-lws_esp32_leds_network_indication(void);
-
-extern uint32_t lws_esp32_get_reboot_type(void);
-extern uint16_t lws_esp32_sine_interp(int n);
-
-/* required in external code by esp32 plat (may just return if no leds) */
-extern void lws_esp32_leds_timer_cb(TimerHandle_t th);
-#else
-typedef int lws_sockfd_type;
-typedef int lws_filefd_type;
-#endif
-
-#define lws_pollfd pollfd
-#define LWS_POLLHUP (POLLHUP|POLLERR)
-#define LWS_POLLIN (POLLIN)
-#define LWS_POLLOUT (POLLOUT)
-#endif
-
-
-#if (defined(WIN32) || defined(_WIN32)) && !defined(__MINGW32__)
-/* ... */
-#define ssize_t SSIZE_T
-#endif
-
-#if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
-#include <sys/types.h>
-#include <sys/stat.h>
-#endif
-
-#if defined(LWS_HAVE_STDINT_H)
-#include <stdint.h>
-#else
-#if defined(WIN32) || defined(_WIN32)
-/* !!! >:-[  */
-typedef unsigned __int32 uint32_t;
-typedef unsigned __int16 uint16_t;
-typedef unsigned __int8 uint8_t;
-#else
-typedef unsigned int uint32_t;
-typedef unsigned short uint16_t;
-typedef unsigned char uint8_t;
-#endif
-#endif
-
-typedef unsigned long long lws_filepos_t;
-typedef long long lws_fileofs_t;
-typedef uint32_t lws_fop_flags_t;
-
-/** struct lws_pollargs - argument structure for all external poll related calls
- * passed in via 'in' */
-struct lws_pollargs {
-	lws_sockfd_type fd;	/**< applicable socket descriptor */
-	int events;		/**< the new event mask */
-	int prev_events;	/**< the previous event mask */
-};
-
-struct lws_tokens;
-struct lws_token_limits;
-
-/*! \defgroup wsclose Websocket Close
- *
- * ##Websocket close frame control
- *
- * When we close a ws connection, we can send a reason code and a short
- * UTF-8 description back with the close packet.
- */
-///@{
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-/** enum lws_close_status - RFC6455 close status codes */
-enum lws_close_status {
-	LWS_CLOSE_STATUS_NOSTATUS				=    0,
-	LWS_CLOSE_STATUS_NORMAL					= 1000,
-	/**< 1000 indicates a normal closure, meaning that the purpose for
-      which the connection was established has been fulfilled. */
-	LWS_CLOSE_STATUS_GOINGAWAY				= 1001,
-	/**< 1001 indicates that an endpoint is "going away", such as a server
-      going down or a browser having navigated away from a page. */
-	LWS_CLOSE_STATUS_PROTOCOL_ERR				= 1002,
-	/**< 1002 indicates that an endpoint is terminating the connection due
-      to a protocol error. */
-	LWS_CLOSE_STATUS_UNACCEPTABLE_OPCODE			= 1003,
-	/**< 1003 indicates that an endpoint is terminating the connection
-      because it has received a type of data it cannot accept (e.g., an
-      endpoint that understands only text data MAY send this if it
-      receives a binary message). */
-	LWS_CLOSE_STATUS_RESERVED				= 1004,
-	/**< Reserved.  The specific meaning might be defined in the future. */
-	LWS_CLOSE_STATUS_NO_STATUS				= 1005,
-	/**< 1005 is a reserved value and MUST NOT be set as a status code in a
-      Close control frame by an endpoint.  It is designated for use in
-      applications expecting a status code to indicate that no status
-      code was actually present. */
-	LWS_CLOSE_STATUS_ABNORMAL_CLOSE				= 1006,
-	/**< 1006 is a reserved value and MUST NOT be set as a status code in a
-      Close control frame by an endpoint.  It is designated for use in
-      applications expecting a status code to indicate that the
-      connection was closed abnormally, e.g., without sending or
-      receiving a Close control frame. */
-	LWS_CLOSE_STATUS_INVALID_PAYLOAD			= 1007,
-	/**< 1007 indicates that an endpoint is terminating the connection
-      because it has received data within a message that was not
-      consistent with the type of the message (e.g., non-UTF-8 [RFC3629]
-      data within a text message). */
-	LWS_CLOSE_STATUS_POLICY_VIOLATION			= 1008,
-	/**< 1008 indicates that an endpoint is terminating the connection
-      because it has received a message that violates its policy.  This
-      is a generic status code that can be returned when there is no
-      other more suitable status code (e.g., 1003 or 1009) or if there
-      is a need to hide specific details about the policy. */
-	LWS_CLOSE_STATUS_MESSAGE_TOO_LARGE			= 1009,
-	/**< 1009 indicates that an endpoint is terminating the connection
-      because it has received a message that is too big for it to
-      process. */
-	LWS_CLOSE_STATUS_EXTENSION_REQUIRED			= 1010,
-	/**< 1010 indicates that an endpoint (client) is terminating the
-      connection because it has expected the server to negotiate one or
-      more extension, but the server didn't return them in the response
-      message of the WebSocket handshake.  The list of extensions that
-      are needed SHOULD appear in the /reason/ part of the Close frame.
-      Note that this status code is not used by the server, because it
-      can fail the WebSocket handshake instead */
-	LWS_CLOSE_STATUS_UNEXPECTED_CONDITION			= 1011,
-	/**< 1011 indicates that a server is terminating the connection because
-      it encountered an unexpected condition that prevented it from
-      fulfilling the request. */
-	LWS_CLOSE_STATUS_TLS_FAILURE				= 1015,
-	/**< 1015 is a reserved value and MUST NOT be set as a status code in a
-      Close control frame by an endpoint.  It is designated for use in
-      applications expecting a status code to indicate that the
-      connection was closed due to a failure to perform a TLS handshake
-      (e.g., the server certificate can't be verified). */
-
-	LWS_CLOSE_STATUS_CLIENT_TRANSACTION_DONE		= 2000,
-
-	/****** add new things just above ---^ ******/
-
-	LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY		= 9999,
-};
-
-/**
- * lws_close_reason - Set reason and aux data to send with Close packet
- *		If you are going to return nonzero from the callback
- *		requesting the connection to close, you can optionally
- *		call this to set the reason the peer will be told if
- *		possible.
- *
- * \param wsi:	The websocket connection to set the close reason on
- * \param status:	A valid close status from websocket standard
- * \param buf:	NULL or buffer containing up to 124 bytes of auxiliary data
- * \param len:	Length of data in \param buf to send
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_close_reason(struct lws *wsi, enum lws_close_status status,
-		 unsigned char *buf, size_t len);
-
-///@}
-
-struct lws;
-struct lws_context;
-/* needed even with extensions disabled for create context */
-struct lws_extension;
-
-
-/*! \defgroup usercb User Callback
- *
- * ##User protocol callback
- *
- * The protocol callback is the primary way lws interacts with
- * user code.  For one of a list of a few dozen reasons the callback gets
- * called at some event to be handled.
- *
- * All of the events can be ignored, returning 0 is taken as "OK" and returning
- * nonzero in most cases indicates that the connection should be closed.
- */
-///@{
-
-struct lws_ssl_info {
-	int where;
-	int ret;
-};
-
-enum lws_cert_update_state {
-	LWS_CUS_IDLE,
-	LWS_CUS_STARTING,
-	LWS_CUS_SUCCESS,
-	LWS_CUS_FAILED,
-
-	LWS_CUS_CREATE_KEYS,
-	LWS_CUS_REG,
-	LWS_CUS_AUTH,
-	LWS_CUS_CHALLENGE,
-	LWS_CUS_CREATE_REQ,
-	LWS_CUS_REQ,
-	LWS_CUS_CONFIRM,
-	LWS_CUS_ISSUE,
-};
-
-enum {
-	LWS_TLS_REQ_ELEMENT_COUNTRY,
-	LWS_TLS_REQ_ELEMENT_STATE,
-	LWS_TLS_REQ_ELEMENT_LOCALITY,
-	LWS_TLS_REQ_ELEMENT_ORGANIZATION,
-	LWS_TLS_REQ_ELEMENT_COMMON_NAME,
-	LWS_TLS_REQ_ELEMENT_EMAIL,
-
-	LWS_TLS_REQ_ELEMENT_COUNT,
-
-	LWS_TLS_SET_DIR_URL = LWS_TLS_REQ_ELEMENT_COUNT,
-	LWS_TLS_SET_AUTH_PATH,
-	LWS_TLS_SET_CERT_PATH,
-	LWS_TLS_SET_KEY_PATH,
-
-	LWS_TLS_TOTAL_COUNT
-};
-
-struct lws_acme_cert_aging_args {
-	struct lws_vhost *vh;
-	const char *element_overrides[LWS_TLS_TOTAL_COUNT]; /* NULL = use pvo */
-};
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-/** enum lws_callback_reasons - reason you're getting a protocol callback */
-enum lws_callback_reasons {
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to wsi and protocol binding lifecycle -----
-	 */
-
-	LWS_CALLBACK_PROTOCOL_INIT				= 27,
-	/**< One-time call per protocol, per-vhost using it, so it can
-	 * do initial setup / allocations etc */
-
-	LWS_CALLBACK_PROTOCOL_DESTROY				= 28,
-	/**< One-time call per protocol, per-vhost using it, indicating
-	 * this protocol won't get used at all after this callback, the
-	 * vhost is getting destroyed.  Take the opportunity to
-	 * deallocate everything that was allocated by the protocol. */
-
-	LWS_CALLBACK_WSI_CREATE					= 29,
-	/**< outermost (earliest) wsi create notification to protocols[0] */
-
-	LWS_CALLBACK_WSI_DESTROY				= 30,
-	/**< outermost (latest) wsi destroy notification to protocols[0] */
-
-	LWS_CALLBACK_HTTP_BIND_PROTOCOL				= 49,
-	/**< By default, all HTTP handling is done in protocols[0].
-	 * However you can bind different protocols (by name) to
-	 * different parts of the URL space using callback mounts.  This
-	 * callback occurs in the new protocol when a wsi is bound
-	 * to that protocol.  Any protocol allocation related to the
-	 * http transaction processing should be created then.
-	 * These specific callbacks are necessary because with HTTP/1.1,
-	 * a single connection may perform at series of different
-	 * transactions at different URLs, thus the lifetime of the
-	 * protocol bind is just for one transaction, not connection. */
-
-	LWS_CALLBACK_HTTP_DROP_PROTOCOL				= 50,
-	/**< This is called when a transaction is unbound from a protocol.
-	 * It indicates the connection completed its transaction and may
-	 * do something different now.  Any protocol allocation related
-	 * to the http transaction processing should be destroyed. */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to Server TLS -----
-	 */
-
-	LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS	= 21,
-	/**< if configured for
-	 * including OpenSSL support, this callback allows your user code
-	 * to perform extra SSL_CTX_load_verify_locations() or similar
-	 * calls to direct OpenSSL where to find certificates the client
-	 * can use to confirm the remote server identity.  user is the
-	 * OpenSSL SSL_CTX* */
-
-	LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS	= 22,
-	/**< if configured for
-	 * including OpenSSL support, this callback allows your user code
-	 * to load extra certificates into the server which allow it to
-	 * verify the validity of certificates returned by clients.  user
-	 * is the server's OpenSSL SSL_CTX* and in is the lws_vhost */
-
-	LWS_CALLBACK_OPENSSL_PERFORM_CLIENT_CERT_VERIFICATION	= 23,
-	/**< if the libwebsockets vhost was created with the option
-	 * LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT, then this
-	 * callback is generated during OpenSSL verification of the cert
-	 * sent from the client.  It is sent to protocol[0] callback as
-	 * no protocol has been negotiated on the connection yet.
-	 * Notice that the libwebsockets context and wsi are both NULL
-	 * during this callback.  See
-	 *  http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
-	 * to understand more detail about the OpenSSL callback that
-	 * generates this libwebsockets callback and the meanings of the
-	 * arguments passed.  In this callback, user is the x509_ctx,
-	 * in is the ssl pointer and len is preverify_ok
-	 * Notice that this callback maintains libwebsocket return
-	 * conventions, return 0 to mean the cert is OK or 1 to fail it.
-	 * This also means that if you don't handle this callback then
-	 * the default callback action of returning 0 allows the client
-	 * certificates. */
-
-	LWS_CALLBACK_OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY	= 37,
-	/**< if configured for including OpenSSL support but no private key
-	 * file has been specified (ssl_private_key_filepath is NULL), this is
-	 * called to allow the user to set the private key directly via
-	 * libopenssl and perform further operations if required; this might be
-	 * useful in situations where the private key is not directly accessible
-	 * by the OS, for example if it is stored on a smartcard.
-	 * user is the server's OpenSSL SSL_CTX* */
-
-	LWS_CALLBACK_SSL_INFO					= 67,
-	/**< SSL connections only.  An event you registered an
-	 * interest in at the vhost has occurred on a connection
-	 * using the vhost.  in is a pointer to a
-	 * struct lws_ssl_info containing information about the
-	 * event*/
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to Client TLS -----
-	 */
-
-	LWS_CALLBACK_OPENSSL_PERFORM_SERVER_CERT_VERIFICATION = 58,
-	/**< Similar to LWS_CALLBACK_OPENSSL_PERFORM_CLIENT_CERT_VERIFICATION
-	 * this callback is called during OpenSSL verification of the cert
-	 * sent from the server to the client. It is sent to protocol[0]
-	 * callback as no protocol has been negotiated on the connection yet.
-	 * Notice that the wsi is set because lws_client_connect_via_info was
-	 * successful.
-	 *
-	 * See http://www.openssl.org/docs/ssl/SSL_CTX_set_verify.html
-	 * to understand more detail about the OpenSSL callback that
-	 * generates this libwebsockets callback and the meanings of the
-	 * arguments passed. In this callback, user is the x509_ctx,
-	 * in is the ssl pointer and len is preverify_ok.
-	 *
-	 * THIS IS NOT RECOMMENDED BUT if a cert validation error shall be
-	 * overruled and cert shall be accepted as ok,
-	 * X509_STORE_CTX_set_error((X509_STORE_CTX*)user, X509_V_OK); must be
-	 * called and return value must be 0 to mean the cert is OK;
-	 * returning 1 will fail the cert in any case.
-	 *
-	 * This also means that if you don't handle this callback then
-	 * the default callback action of returning 0 will not accept the
-	 * certificate in case of a validation error decided by the SSL lib.
-	 *
-	 * This is expected and secure behaviour when validating certificates.
-	 *
-	 * Note: LCCSCF_ALLOW_SELFSIGNED and
-	 * LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK still work without this
-	 * callback being implemented.
-	 */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to HTTP Server  -----
-	 */
-
-	LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED		= 19,
-	/**< A new client has been accepted by the ws server.  This
-	 * callback allows setting any relevant property to it. Because this
-	 * happens immediately after the instantiation of a new client,
-	 * there's no websocket protocol selected yet so this callback is
-	 * issued only to protocol 0. Only wsi is defined, pointing to the
-	 * new client, and the return value is ignored. */
-
-	LWS_CALLBACK_HTTP					= 12,
-	/**< an http request has come from a client that is not
-	 * asking to upgrade the connection to a websocket
-	 * one.  This is a chance to serve http content,
-	 * for example, to send a script to the client
-	 * which will then open the websockets connection.
-	 * in points to the URI path requested and
-	 * lws_serve_http_file() makes it very
-	 * simple to send back a file to the client.
-	 * Normally after sending the file you are done
-	 * with the http connection, since the rest of the
-	 * activity will come by websockets from the script
-	 * that was delivered by http, so you will want to
-	 * return 1; to close and free up the connection. */
-
-	LWS_CALLBACK_HTTP_BODY					= 13,
-	/**< the next len bytes data from the http
-	 * request body HTTP connection is now available in in. */
-
-	LWS_CALLBACK_HTTP_BODY_COMPLETION			= 14,
-	/**< the expected amount of http request body has been delivered */
-
-	LWS_CALLBACK_HTTP_FILE_COMPLETION			= 15,
-	/**< a file requested to be sent down http link has completed. */
-
-	LWS_CALLBACK_HTTP_WRITEABLE				= 16,
-	/**< you can write more down the http protocol link now. */
-
-	LWS_CALLBACK_CLOSED_HTTP				=  5,
-	/**< when a HTTP (non-websocket) session ends */
-
-	LWS_CALLBACK_FILTER_HTTP_CONNECTION			= 18,
-	/**< called when the request has
-	 * been received and parsed from the client, but the response is
-	 * not sent yet.  Return non-zero to disallow the connection.
-	 * user is a pointer to the connection user space allocation,
-	 * in is the URI, eg, "/"
-	 * In your handler you can use the public APIs
-	 * lws_hdr_total_length() / lws_hdr_copy() to access all of the
-	 * headers using the header enums lws_token_indexes from
-	 * libwebsockets.h to check for and read the supported header
-	 * presence and content before deciding to allow the http
-	 * connection to proceed or to kill the connection. */
-
-	LWS_CALLBACK_ADD_HEADERS				= 53,
-	/**< This gives your user code a chance to add headers to a server
-	 * transaction bound to your protocol.  `in` points to a
-	 * `struct lws_process_html_args` describing a buffer and length
-	 * you can add headers into using the normal lws apis.
-	 *
-	 * (see LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER to add headers to
-	 * a client transaction)
-	 *
-	 * Only `args->p` and `args->len` are valid, and `args->p` should
-	 * be moved on by the amount of bytes written, if any.  Eg
-	 *
-	 * 	case LWS_CALLBACK_ADD_HEADERS:
-	 *
-	 *          struct lws_process_html_args *args =
-	 *          		(struct lws_process_html_args *)in;
-	 *
-	 *	    if (lws_add_http_header_by_name(wsi,
-	 *			(unsigned char *)"set-cookie:",
-	 *			(unsigned char *)cookie, cookie_len,
-	 *			(unsigned char **)&args->p,
-	 *			(unsigned char *)args->p + args->max_len))
-	 *		return 1;
-	 *
-	 *          break;
-	 */
-
-	LWS_CALLBACK_CHECK_ACCESS_RIGHTS			= 51,
-	/**< This gives the user code a chance to forbid an http access.
-	 * `in` points to a `struct lws_process_html_args`, which
-	 * describes the URL, and a bit mask describing the type of
-	 * authentication required.  If the callback returns nonzero,
-	 * the transaction ends with HTTP_STATUS_UNAUTHORIZED. */
-
-	LWS_CALLBACK_PROCESS_HTML				= 52,
-	/**< This gives your user code a chance to mangle outgoing
-	 * HTML.  `in` points to a `struct lws_process_html_args`
-	 * which describes the buffer containing outgoing HTML.
-	 * The buffer may grow up to `.max_len` (currently +128
-	 * bytes per buffer).
-	 */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to HTTP Client  -----
-	 */
-
-	LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP			= 44,
-	/**< The HTTP client connection has succeeded, and is now
-	 * connected to the server */
-
-	LWS_CALLBACK_CLOSED_CLIENT_HTTP				= 45,
-	/**< The HTTP client connection is closing */
-
-	LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ			= 48,
-	/**< This is generated by lws_http_client_read() used to drain
-	 * incoming data.  In the case the incoming data was chunked, it will
-	 * be split into multiple smaller callbacks for each chunk block,
-	 * removing the chunk headers. If not chunked, it will appear all in
-	 * one callback. */
-
-	LWS_CALLBACK_RECEIVE_CLIENT_HTTP			= 46,
-	/**< This simply indicates data was received on the HTTP client
-	 * connection.  It does NOT drain or provide the data.
-	 * This exists to neatly allow a proxying type situation,
-	 * where this incoming data will go out on another connection.
-	 * If the outgoing connection stalls, we should stall processing
-	 * the incoming data.  So a handler for this in that case should
-	 * simply set a flag to indicate there is incoming data ready
-	 * and ask for a writeable callback on the outgoing connection.
-	 * In the writable callback he can check the flag and then get
-	 * and drain the waiting incoming data using lws_http_client_read().
-	 * This will use callbacks to LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ
-	 * to get and drain the incoming data, where it should be sent
-	 * back out on the outgoing connection. */
-	LWS_CALLBACK_COMPLETED_CLIENT_HTTP			= 47,
-	/**< The client transaction completed... at the moment this
-	 * is the same as closing since transaction pipelining on
-	 * client side is not yet supported.  */
-
-	LWS_CALLBACK_CLIENT_HTTP_WRITEABLE			= 57,
-	/**< when doing an HTTP type client connection, you can call
-	 * lws_client_http_body_pending(wsi, 1) from
-	 * LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER to get these callbacks
-	 * sending the HTTP headers.
-	 *
-	 * From this callback, when you have sent everything, you should let
-	 * lws know by calling lws_client_http_body_pending(wsi, 0)
-	 */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to Websocket Server -----
-	 */
-
-	LWS_CALLBACK_ESTABLISHED				=  0,
-	/**< (VH) after the server completes a handshake with an incoming
-	 * client.  If you built the library with ssl support, in is a
-	 * pointer to the ssl struct associated with the connection or NULL.
-	 *
-	 * b0 of len is set if the connection was made using ws-over-h2
-	 */
-
-	LWS_CALLBACK_CLOSED					=  4,
-	/**< when the websocket session ends */
-
-	LWS_CALLBACK_SERVER_WRITEABLE				= 11,
-	/**< See LWS_CALLBACK_CLIENT_WRITEABLE */
-
-	LWS_CALLBACK_RECEIVE					=  6,
-	/**< data has appeared for this server endpoint from a
-	 * remote client, it can be found at *in and is
-	 * len bytes long */
-
-	LWS_CALLBACK_RECEIVE_PONG				=  7,
-	/**< servers receive PONG packets with this callback reason */
-
-	LWS_CALLBACK_WS_PEER_INITIATED_CLOSE			= 38,
-	/**< The peer has sent an unsolicited Close WS packet.  in and
-	 * len are the optional close code (first 2 bytes, network
-	 * order) and the optional additional information which is not
-	 * defined in the standard, and may be a string or non human-readable
-	 * data.
-	 * If you return 0 lws will echo the close and then close the
-	 * connection.  If you return nonzero lws will just close the
-	 * connection. */
-
-	LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION			= 20,
-	/**< called when the handshake has
-	 * been received and parsed from the client, but the response is
-	 * not sent yet.  Return non-zero to disallow the connection.
-	 * user is a pointer to the connection user space allocation,
-	 * in is the requested protocol name
-	 * In your handler you can use the public APIs
-	 * lws_hdr_total_length() / lws_hdr_copy() to access all of the
-	 * headers using the header enums lws_token_indexes from
-	 * libwebsockets.h to check for and read the supported header
-	 * presence and content before deciding to allow the handshake
-	 * to proceed or to kill the connection. */
-
-	LWS_CALLBACK_CONFIRM_EXTENSION_OKAY			= 25,
-	/**< When the server handshake code
-	 * sees that it does support a requested extension, before
-	 * accepting the extension by additing to the list sent back to
-	 * the client it gives this callback just to check that it's okay
-	 * to use that extension.  It calls back to the requested protocol
-	 * and with in being the extension name, len is 0 and user is
-	 * valid.  Note though at this time the ESTABLISHED callback hasn't
-	 * happened yet so if you initialize user content there, user
-	 * content during this callback might not be useful for anything. */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to Websocket Client -----
-	 */
-
-	LWS_CALLBACK_CLIENT_CONNECTION_ERROR			=  1,
-	/**< the request client connection has been unable to complete a
-	 * handshake with the remote server.  If in is non-NULL, you can
-	 * find an error string of length len where it points to
-	 *
-	 * Diagnostic strings that may be returned include
-	 *
-	 *     	"getaddrinfo (ipv6) failed"
-	 *     	"unknown address family"
-	 *     	"getaddrinfo (ipv4) failed"
-	 *     	"set socket opts failed"
-	 *     	"insert wsi failed"
-	 *     	"lws_ssl_client_connect1 failed"
-	 *     	"lws_ssl_client_connect2 failed"
-	 *     	"Peer hung up"
-	 *     	"read failed"
-	 *     	"HS: URI missing"
-	 *     	"HS: Redirect code but no Location"
-	 *     	"HS: URI did not parse"
-	 *     	"HS: Redirect failed"
-	 *     	"HS: Server did not return 200"
-	 *     	"HS: OOM"
-	 *     	"HS: disallowed by client filter"
-	 *     	"HS: disallowed at ESTABLISHED"
-	 *     	"HS: ACCEPT missing"
-	 *     	"HS: ws upgrade response not 101"
-	 *     	"HS: UPGRADE missing"
-	 *     	"HS: Upgrade to something other than websocket"
-	 *     	"HS: CONNECTION missing"
-	 *     	"HS: UPGRADE malformed"
-	 *     	"HS: PROTOCOL malformed"
-	 *     	"HS: Cannot match protocol"
-	 *     	"HS: EXT: list too big"
-	 *     	"HS: EXT: failed setting defaults"
-	 *     	"HS: EXT: failed parsing defaults"
-	 *     	"HS: EXT: failed parsing options"
-	 *     	"HS: EXT: Rejects server options"
-	 *     	"HS: EXT: unknown ext"
-	 *     	"HS: Accept hash wrong"
-	 *     	"HS: Rejected by filter cb"
-	 *     	"HS: OOM"
-	 *     	"HS: SO_SNDBUF failed"
-	 *     	"HS: Rejected at CLIENT_ESTABLISHED"
-	 */
-
-	LWS_CALLBACK_CLIENT_FILTER_PRE_ESTABLISH		=  2,
-	/**< this is the last chance for the client user code to examine the
-	 * http headers and decide to reject the connection.  If the
-	 * content in the headers is interesting to the
-	 * client (url, etc) it needs to copy it out at
-	 * this point since it will be destroyed before
-	 * the CLIENT_ESTABLISHED call */
-
-	LWS_CALLBACK_CLIENT_ESTABLISHED				=  3,
-	/**< after your client connection completed the websocket upgrade
-	 * handshake with the remote server */
-
-	LWS_CALLBACK_CLIENT_CLOSED				=  75,
-	/**< when a client websocket session ends */
-
-	LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER		= 24,
-	/**< this callback happens
-	 * when a client handshake is being compiled.  user is NULL,
-	 * in is a char **, it's pointing to a char * which holds the
-	 * next location in the header buffer where you can add
-	 * headers, and len is the remaining space in the header buffer,
-	 * which is typically some hundreds of bytes.  So, to add a canned
-	 * cookie, your handler code might look similar to:
-	 *
-	 *	char **p = (char **)in;
-	 *
-	 *	if (len < 100)
-	 *		return 1;
-	 *
-	 *	*p += sprintf(*p, "Cookie: a=b\x0d\x0a");
-	 *
-	 *	return 0;
-	 *
-	 * Notice if you add anything, you just have to take care about
-	 * the CRLF on the line you added.  Obviously this callback is
-	 * optional, if you don't handle it everything is fine.
-	 *
-	 * Notice the callback is coming to protocols[0] all the time,
-	 * because there is no specific protocol negotiated yet.
-	 *
-	 * See LWS_CALLBACK_ADD_HEADERS for adding headers to server
-	 * transactions.
-	 */
-
-	LWS_CALLBACK_CLIENT_RECEIVE				=  8,
-	/**< data has appeared from the server for the client connection, it
-	 * can be found at *in and is len bytes long */
-
-	LWS_CALLBACK_CLIENT_RECEIVE_PONG			=  9,
-	/**< clients receive PONG packets with this callback reason */
-
-	LWS_CALLBACK_CLIENT_WRITEABLE				= 10,
-	/**<  If you call lws_callback_on_writable() on a connection, you will
-	 * get one of these callbacks coming when the connection socket
-	 * is able to accept another write packet without blocking.
-	 * If it already was able to take another packet without blocking,
-	 * you'll get this callback at the next call to the service loop
-	 * function.  Notice that CLIENTs get LWS_CALLBACK_CLIENT_WRITEABLE
-	 * and servers get LWS_CALLBACK_SERVER_WRITEABLE. */
-
-	LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED		= 26,
-	/**< When a ws client
-	 * connection is being prepared to start a handshake to a server,
-	 * each supported extension is checked with protocols[0] callback
-	 * with this reason, giving the user code a chance to suppress the
-	 * claim to support that extension by returning non-zero.  If
-	 * unhandled, by default 0 will be returned and the extension
-	 * support included in the header to the server.  Notice this
-	 * callback comes to protocols[0]. */
-
-	LWS_CALLBACK_WS_EXT_DEFAULTS				= 39,
-	/**< Gives client connections an opportunity to adjust negotiated
-	 * extension defaults.  `user` is the extension name that was
-	 * negotiated (eg, "permessage-deflate").  `in` points to a
-	 * buffer and `len` is the buffer size.  The user callback can
-	 * set the buffer to a string describing options the extension
-	 * should parse.  Or just ignore for defaults. */
-
-
-	LWS_CALLBACK_FILTER_NETWORK_CONNECTION			= 17,
-	/**< called when a client connects to
-	 * the server at network level; the connection is accepted but then
-	 * passed to this callback to decide whether to hang up immediately
-	 * or not, based on the client IP.  in contains the connection
-	 * socket's descriptor. Since the client connection information is
-	 * not available yet, wsi still pointing to the main server socket.
-	 * Return non-zero to terminate the connection before sending or
-	 * receiving anything. Because this happens immediately after the
-	 * network connection from the client, there's no websocket protocol
-	 * selected yet so this callback is issued only to protocol 0. */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to external poll loop integration  -----
-	 */
-
-	LWS_CALLBACK_GET_THREAD_ID				= 31,
-	/**< lws can accept callback when writable requests from other
-	 * threads, if you implement this callback and return an opaque
-	 * current thread ID integer. */
-
-	/* external poll() management support */
-	LWS_CALLBACK_ADD_POLL_FD				= 32,
-	/**< lws normally deals with its poll() or other event loop
-	 * internally, but in the case you are integrating with another
-	 * server you will need to have lws sockets share a
-	 * polling array with the other server.  This and the other
-	 * POLL_FD related callbacks let you put your specialized
-	 * poll array interface code in the callback for protocol 0, the
-	 * first protocol you support, usually the HTTP protocol in the
-	 * serving case.
-	 * This callback happens when a socket needs to be
-	 * added to the polling loop: in points to a struct
-	 * lws_pollargs; the fd member of the struct is the file
-	 * descriptor, and events contains the active events
-	 *
-	 * If you are using the internal lws polling / event loop
-	 * you can just ignore these callbacks. */
-
-	LWS_CALLBACK_DEL_POLL_FD				= 33,
-	/**< This callback happens when a socket descriptor
-	 * needs to be removed from an external polling array.  in is
-	 * again the struct lws_pollargs containing the fd member
-	 * to be removed.  If you are using the internal polling
-	 * loop, you can just ignore it. */
-
-	LWS_CALLBACK_CHANGE_MODE_POLL_FD			= 34,
-	/**< This callback happens when lws wants to modify the events for
-	 * a connection.
-	 * in is the struct lws_pollargs with the fd to change.
-	 * The new event mask is in events member and the old mask is in
-	 * the prev_events member.
-	 * If you are using the internal polling loop, you can just ignore
-	 * it. */
-
-	LWS_CALLBACK_LOCK_POLL					= 35,
-	/**< These allow the external poll changes driven
-	 * by lws to participate in an external thread locking
-	 * scheme around the changes, so the whole thing is threadsafe.
-	 * These are called around three activities in the library,
-	 *	- inserting a new wsi in the wsi / fd table (len=1)
-	 *	- deleting a wsi from the wsi / fd table (len=1)
-	 *	- changing a wsi's POLLIN/OUT state (len=0)
-	 * Locking and unlocking external synchronization objects when
-	 * len == 1 allows external threads to be synchronized against
-	 * wsi lifecycle changes if it acquires the same lock for the
-	 * duration of wsi dereference from the other thread context. */
-
-	LWS_CALLBACK_UNLOCK_POLL				= 36,
-	/**< See LWS_CALLBACK_LOCK_POLL, ignore if using lws internal poll */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to CGI serving -----
-	 */
-
-	LWS_CALLBACK_CGI					= 40,
-	/**< CGI: CGI IO events on stdin / out / err are sent here on
-	 * protocols[0].  The provided `lws_callback_http_dummy()`
-	 * handles this and the callback should be directed there if
-	 * you use CGI. */
-
-	LWS_CALLBACK_CGI_TERMINATED				= 41,
-	/**< CGI: The related CGI process ended, this is called before
-	 * the wsi is closed.  Used to, eg, terminate chunking.
-	 * The provided `lws_callback_http_dummy()`
-	 * handles this and the callback should be directed there if
-	 * you use CGI.  The child PID that terminated is in len. */
-
-	LWS_CALLBACK_CGI_STDIN_DATA				= 42,
-	/**< CGI: Data is, to be sent to the CGI process stdin, eg from
-	 * a POST body.  The provided `lws_callback_http_dummy()`
-	 * handles this and the callback should be directed there if
-	 * you use CGI. */
-
-	LWS_CALLBACK_CGI_STDIN_COMPLETED			= 43,
-	/**< CGI: no more stdin is coming.  The provided
-	 * `lws_callback_http_dummy()` handles this and the callback
-	 * should be directed there if you use CGI. */
-
-	LWS_CALLBACK_CGI_PROCESS_ATTACH				= 70,
-	/**< CGI: Sent when the CGI process is spawned for the wsi.  The
-	 * len parameter is the PID of the child process */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to Generic Sessions -----
-	 */
-
-	LWS_CALLBACK_SESSION_INFO				= 54,
-	/**< This is only generated by user code using generic sessions.
-	 * It's used to get a `struct lws_session_info` filled in by
-	 * generic sessions with information about the logged-in user.
-	 * See the messageboard sample for an example of how to use. */
-
-	LWS_CALLBACK_GS_EVENT					= 55,
-	/**< Indicates an event happened to the Generic Sessions session.
-	 * `in` contains a `struct lws_gs_event_args` describing the event. */
-
-	LWS_CALLBACK_HTTP_PMO					= 56,
-	/**< per-mount options for this connection, called before
-	 * the normal LWS_CALLBACK_HTTP when the mount has per-mount
-	 * options.
-	 */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to RAW sockets -----
-	 */
-
-	LWS_CALLBACK_RAW_RX					= 59,
-	/**< RAW mode connection RX */
-
-	LWS_CALLBACK_RAW_CLOSE					= 60,
-	/**< RAW mode connection is closing */
-
-	LWS_CALLBACK_RAW_WRITEABLE				= 61,
-	/**< RAW mode connection may be written */
-
-	LWS_CALLBACK_RAW_ADOPT					= 62,
-	/**< RAW mode connection was adopted (equivalent to 'wsi created') */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to RAW file handles -----
-	 */
-
-	LWS_CALLBACK_RAW_ADOPT_FILE				= 63,
-	/**< RAW mode file was adopted (equivalent to 'wsi created') */
-
-	LWS_CALLBACK_RAW_RX_FILE				= 64,
-	/**< This is the indication the RAW mode file has something to read.
-	 *   This doesn't actually do the read of the file and len is always
-	 *   0... your code should do the read having been informed there is
-	 *   something to read now. */
-
-	LWS_CALLBACK_RAW_WRITEABLE_FILE				= 65,
-	/**< RAW mode file is writeable */
-
-	LWS_CALLBACK_RAW_CLOSE_FILE				= 66,
-	/**< RAW mode wsi that adopted a file is closing */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to generic wsi events -----
-	 */
-
-	LWS_CALLBACK_TIMER					= 73,
-	/**< When the time elapsed after a call to
-	 * lws_set_timer_usecs(wsi, usecs) is up, the wsi will get one of
-	 * these callbacks.  The deadline can be continuously extended into the
-	 * future by later calls to lws_set_timer_usecs() before the deadline
-	 * expires, or cancelled by lws_set_timer_usecs(wsi, -1);
-	 * See the note on lws_set_timer_usecs() about which event loops are
-	 * supported. */
-
-	LWS_CALLBACK_EVENT_WAIT_CANCELLED			= 71,
-	/**< This is sent to every protocol of every vhost in response
-	 * to lws_cancel_service() or lws_cancel_service_pt().  This
-	 * callback is serialized in the lws event loop normally, even
-	 * if the lws_cancel_service[_pt]() call was from a different
-	 * thread. */
-
-	LWS_CALLBACK_CHILD_CLOSING				= 69,
-	/**< Sent to parent to notify them a child is closing / being
-	 * destroyed.  in is the child wsi.
-	 */
-
-	LWS_CALLBACK_CHILD_WRITE_VIA_PARENT			= 68,
-	/**< Child has been marked with parent_carries_io attribute, so
-	 * lws_write directs the to this callback at the parent,
-	 * in is a struct lws_write_passthru containing the args
-	 * the lws_write() was called with.
-	 */
-
-	/* ---------------------------------------------------------------------
-	 * ----- Callbacks related to TLS certificate management -----
-	 */
-
-	LWS_CALLBACK_VHOST_CERT_AGING				= 72,
-	/**< When a vhost TLS cert has its expiry checked, this callback
-	 * is broadcast to every protocol of every vhost in case the
-	 * protocol wants to take some action with this information.
-	 * \p in is a pointer to a struct lws_acme_cert_aging_args,
-	 * and \p len is the number of days left before it expires, as
-	 * a (ssize_t).  In the struct lws_acme_cert_aging_args, vh
-	 * points to the vhost the cert aging information applies to,
-	 * and element_overrides[] is an optional way to update information
-	 * from the pvos... NULL in an index means use the information from
-	 * from the pvo for the cert renewal, non-NULL in the array index
-	 * means use that pointer instead for the index. */
-
-	LWS_CALLBACK_VHOST_CERT_UPDATE				= 74,
-	/**< When a vhost TLS cert is being updated, progress is
-	 * reported to the vhost in question here, including completion
-	 * and failure.  in points to optional JSON, and len represents the
-	 * connection state using enum lws_cert_update_state */
-
-
-	/****** add new things just above ---^ ******/
-
-	LWS_CALLBACK_USER = 1000,
-	/**<  user code can use any including above without fear of clashes */
-};
-
-
-
-/**
- * typedef lws_callback_function() - User server actions
- * \param wsi:	Opaque websocket instance pointer
- * \param reason:	The reason for the call
- * \param user:	Pointer to per-session user data allocated by library
- * \param in:		Pointer used for some callback reasons
- * \param len:	Length set for some callback reasons
- *
- *	This callback is the way the user controls what is served.  All the
- *	protocol detail is hidden and handled by the library.
- *
- *	For each connection / session there is user data allocated that is
- *	pointed to by "user".  You set the size of this user data area when
- *	the library is initialized with lws_create_server.
- */
-typedef int
-lws_callback_function(struct lws *wsi, enum lws_callback_reasons reason,
-		    void *user, void *in, size_t len);
-
-#define LWS_CB_REASON_AUX_BF__CGI		1
-#define LWS_CB_REASON_AUX_BF__PROXY		2
-#define LWS_CB_REASON_AUX_BF__CGI_CHUNK_END	4
-#define LWS_CB_REASON_AUX_BF__CGI_HEADERS	8
-///@}
-
-struct lws_vhost;
-
-/*! \defgroup generic hash
- * ## Generic Hash related functions
- *
- * Lws provides generic hash / digest accessors that abstract the ones
- * provided by whatever OpenSSL library you are linking against.
- *
- * It lets you use the same code if you build against mbedtls or OpenSSL
- * for example.
- */
-///@{
-
-#if defined(LWS_WITH_TLS)
-
-#if defined(LWS_WITH_MBEDTLS)
-#include <mbedtls/sha1.h>
-#include <mbedtls/sha256.h>
-#include <mbedtls/sha512.h>
-#endif
-
-enum lws_genhash_types {
-	LWS_GENHASH_TYPE_SHA1,
-	LWS_GENHASH_TYPE_SHA256,
-	LWS_GENHASH_TYPE_SHA384,
-	LWS_GENHASH_TYPE_SHA512,
-};
-
-enum lws_genhmac_types {
-	LWS_GENHMAC_TYPE_SHA256,
-	LWS_GENHMAC_TYPE_SHA384,
-	LWS_GENHMAC_TYPE_SHA512,
-};
-
-#define LWS_GENHASH_LARGEST 64
-
-struct lws_genhash_ctx {
-        uint8_t type;
-#if defined(LWS_WITH_MBEDTLS)
-        union {
-		mbedtls_sha1_context sha1;
-		mbedtls_sha256_context sha256;
-		mbedtls_sha512_context sha512; /* 384 also uses this */
-		const mbedtls_md_info_t *hmac;
-        } u;
-#else
-        const EVP_MD *evp_type;
-        EVP_MD_CTX *mdctx;
-#endif
-};
-
-struct lws_genhmac_ctx {
-        uint8_t type;
-#if defined(LWS_WITH_MBEDTLS)
-	const mbedtls_md_info_t *hmac;
-	mbedtls_md_context_t ctx;
-#else
-        const EVP_MD *evp_type;
-        EVP_MD_CTX *ctx;
-#endif
-};
-
-/** lws_genhash_size() - get hash size in bytes
- *
- * \param type:	one of LWS_GENHASH_TYPE_...
- *
- * Returns number of bytes in this type of hash
- */
-LWS_VISIBLE LWS_EXTERN size_t LWS_WARN_UNUSED_RESULT
-lws_genhash_size(enum lws_genhash_types type);
-
-/** lws_genhmac_size() - get hash size in bytes
- *
- * \param type:	one of LWS_GENHASH_TYPE_...
- *
- * Returns number of bytes in this type of hmac
- */
-LWS_VISIBLE LWS_EXTERN size_t LWS_WARN_UNUSED_RESULT
-lws_genhmac_size(enum lws_genhmac_types type);
-
-/** lws_genhash_init() - prepare your struct lws_genhash_ctx for use
- *
- * \param ctx: your struct lws_genhash_ctx
- * \param type:	one of LWS_GENHASH_TYPE_...
- *
- * Initializes the hash context for the type you requested
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_genhash_init(struct lws_genhash_ctx *ctx, enum lws_genhash_types type);
-
-/** lws_genhash_update() - digest len bytes of the buffer starting at in
- *
- * \param ctx: your struct lws_genhash_ctx
- * \param in: start of the bytes to digest
- * \param len: count of bytes to digest
- *
- * Updates the state of your hash context to reflect digesting len bytes from in
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_genhash_update(struct lws_genhash_ctx *ctx, const void *in, size_t len);
-
-/** lws_genhash_destroy() - copy out the result digest and destroy the ctx
- *
- * \param ctx: your struct lws_genhash_ctx
- * \param result: NULL, or where to copy the result hash
- *
- * Finalizes the hash and copies out the digest.  Destroys any allocations such
- * that ctx can safely go out of scope after calling this.
- *
- * NULL result is supported so that you can destroy the ctx cleanly on error
- * conditions, where there is no valid result.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genhash_destroy(struct lws_genhash_ctx *ctx, void *result);
-
-/** lws_genhmac_init() - prepare your struct lws_genhmac_ctx for use
- *
- * \param ctx: your struct lws_genhmac_ctx
- * \param type:	one of LWS_GENHMAC_TYPE_...
- * \param key: pointer to the start of the HMAC key
- * \param key_len: length of the HMAC key
- *
- * Initializes the hash context for the type you requested
- *
- * If the return is nonzero, it failed and there is nothing needing to be
- * destroyed.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_genhmac_init(struct lws_genhmac_ctx *ctx, enum lws_genhmac_types type,
-		const uint8_t *key, size_t key_len);
-
-/** lws_genhmac_update() - digest len bytes of the buffer starting at in
- *
- * \param ctx: your struct lws_genhmac_ctx
- * \param in: start of the bytes to digest
- * \param len: count of bytes to digest
- *
- * Updates the state of your hash context to reflect digesting len bytes from in
- *
- * If the return is nonzero, it failed and needs destroying.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_genhmac_update(struct lws_genhmac_ctx *ctx, const void *in, size_t len);
-
-/** lws_genhmac_destroy() - copy out the result digest and destroy the ctx
- *
- * \param ctx: your struct lws_genhmac_ctx
- * \param result: NULL, or where to copy the result hash
- *
- * Finalizes the hash and copies out the digest.  Destroys any allocations such
- * that ctx can safely go out of scope after calling this.
- *
- * NULL result is supported so that you can destroy the ctx cleanly on error
- * conditions, where there is no valid result.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genhmac_destroy(struct lws_genhmac_ctx *ctx, void *result);
-///@}
-
-/*! \defgroup generic RSA
- * ## Generic RSA related functions
- *
- * Lws provides generic RSA functions that abstract the ones
- * provided by whatever OpenSSL library you are linking against.
- *
- * It lets you use the same code if you build against mbedtls or OpenSSL
- * for example.
- */
-///@{
-
-enum enum_jwk_tok {
-	JWK_KEY_E,
-	JWK_KEY_N,
-	JWK_KEY_D,
-	JWK_KEY_P,
-	JWK_KEY_Q,
-	JWK_KEY_DP,
-	JWK_KEY_DQ,
-	JWK_KEY_QI,
-	JWK_KTY, /* also serves as count of real elements */
-	JWK_KEY,
-};
-
-#define LWS_COUNT_RSA_ELEMENTS JWK_KTY
-
-struct lws_genrsa_ctx {
-#if defined(LWS_WITH_MBEDTLS)
-	mbedtls_rsa_context *ctx;
-#else
-	BIGNUM *bn[LWS_COUNT_RSA_ELEMENTS];
-	RSA *rsa;
-#endif
-};
-
-struct lws_genrsa_element {
-	uint8_t *buf;
-	uint16_t len;
-};
-
-struct lws_genrsa_elements {
-	struct lws_genrsa_element e[LWS_COUNT_RSA_ELEMENTS];
-};
-
-/** lws_jwk_destroy_genrsa_elements() - Free allocations in genrsa_elements
- *
- * \param el: your struct lws_genrsa_elements
- *
- * This is a helper for user code making use of struct lws_genrsa_elements
- * where the elements are allocated on the heap, it frees any non-NULL
- * buf element and sets the buf to NULL.
- *
- * NB: lws_genrsa_public_... apis do not need this as they take care of the key
- * creation and destruction themselves.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_jwk_destroy_genrsa_elements(struct lws_genrsa_elements *el);
-
-/** lws_genrsa_public_decrypt_create() - Create RSA public decrypt context
- *
- * \param ctx: your struct lws_genrsa_ctx
- * \param el: struct prepared with key element data
- *
- * Creates an RSA context with a public key associated with it, formed from
- * the key elements in \p el.
- *
- * Returns 0 for OK or nonzero for error.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_create(struct lws_genrsa_ctx *ctx, struct lws_genrsa_elements *el);
-
-/** lws_genrsa_new_keypair() - Create new RSA keypair
- *
- * \param context: your struct lws_context (may be used for RNG)
- * \param ctx: your struct lws_genrsa_ctx
- * \param el: struct to get the new key element data allocated into it
- * \param bits: key size, eg, 4096
- *
- * Creates a new RSA context and generates a new keypair into it, with \p bits
- * bits.
- *
- * Returns 0 for OK or nonzero for error.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_new_keypair(struct lws_context *context, struct lws_genrsa_ctx *ctx,
-		       struct lws_genrsa_elements *el, int bits);
-
-/** lws_genrsa_public_decrypt() - Perform RSA public decryption
- *
- * \param ctx: your struct lws_genrsa_ctx
- * \param in: encrypted input
- * \param in_len: length of encrypted input
- * \param out: decrypted output
- * \param out_max: size of output buffer
- *
- * Performs the decryption.
- *
- * Returns <0 for error, or length of decrypted data.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_public_decrypt(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			  size_t in_len, uint8_t *out, size_t out_max);
-
-/** lws_genrsa_public_verify() - Perform RSA public verification
- *
- * \param ctx: your struct lws_genrsa_ctx
- * \param in: unencrypted payload (usually a recomputed hash)
- * \param hash_type: one of LWS_GENHASH_TYPE_
- * \param sig: pointer to the signature we received with the payload
- * \param sig_len: length of the signature we are checking in bytes
- *
- * Returns <0 for error, or 0 if signature matches the payload + key.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_public_verify(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			 enum lws_genhash_types hash_type,
-			 const uint8_t *sig, size_t sig_len);
-
-/** lws_genrsa_public_sign() - Create RSA signature
- *
- * \param ctx: your struct lws_genrsa_ctx
- * \param in: precomputed hash
- * \param hash_type: one of LWS_GENHASH_TYPE_
- * \param sig: pointer to buffer to take signature
- * \param sig_len: length of the buffer (must be >= length of key N)
- *
- * Returns <0 for error, or 0 for success.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_public_sign(struct lws_genrsa_ctx *ctx, const uint8_t *in,
-			 enum lws_genhash_types hash_type, uint8_t *sig,
-			 size_t sig_len);
-
-/** lws_genrsa_public_decrypt_destroy() - Destroy RSA public decrypt context
- *
- * \param ctx: your struct lws_genrsa_ctx
- *
- * Destroys any allocations related to \p ctx.
- *
- * This and related APIs operate identically with OpenSSL or mbedTLS backends.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_genrsa_destroy(struct lws_genrsa_ctx *ctx);
-
-/** lws_genrsa_render_pkey_asn1() - Exports public or private key to ASN1/DER
- *
- * \param ctx: your struct lws_genrsa_ctx
- * \param _private: 0 = public part only, 1 = all parts of the key
- * \param pkey_asn1: pointer to buffer to take the ASN1
- * \param pkey_asn1_len: max size of the pkey_asn1_len
- *
- * Returns length of pkey_asn1 written, or -1 for error.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_genrsa_render_pkey_asn1(struct lws_genrsa_ctx *ctx, int _private,
-			    uint8_t *pkey_asn1, size_t pkey_asn1_len);
-///@}
-
-/*! \defgroup jwk JSON Web Keys
- * ## JSON Web Keys API
- *
- * Lws provides an API to parse JSON Web Keys into a struct lws_genrsa_elements.
- *
- * "oct" and "RSA" type keys are supported.  For "oct" keys, they are held in
- * the "e" member of the struct lws_genrsa_elements.
- *
- * Keys elements are allocated on the heap.  You must destroy the allocations
- * in the struct lws_genrsa_elements by calling
- * lws_jwk_destroy_genrsa_elements() when you are finished with it.
- */
-///@{
-
-struct lws_jwk {
-	char keytype[5];		/**< "oct" or "RSA" */
-	struct lws_genrsa_elements el;	/**< OCTet key is in el.e */
-};
-
-/** lws_jwk_import() - Create a JSON Web key from the textual representation
- *
- * \param s: the JWK object to create
- * \param in: a single JWK JSON stanza in utf-8
- * \param len: the length of the JWK JSON stanza in bytes
- *
- * Creates an lws_jwk struct filled with data from the JSON representation.
- * "oct" and "rsa" key types are supported.
- *
- * For "oct" type keys, it is loaded into el.e.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_jwk_import(struct lws_jwk *s, const char *in, size_t len);
-
-/** lws_jwk_destroy() - Destroy a JSON Web key
- *
- * \param s: the JWK object to destroy
- *
- * All allocations in the lws_jwk are destroyed
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_jwk_destroy(struct lws_jwk *s);
-
-/** lws_jwk_export() - Export a JSON Web key to a textual representation
- *
- * \param s: the JWK object to export
- * \param _private: 0 = just export public parts, 1 = export everything
- * \param p: the buffer to write the exported JWK to
- * \param len: the length of the buffer \p p in bytes
- *
- * Returns length of the used part of the buffer if OK, or -1 for error.
- *
- * Serializes the content of the JWK into a char buffer.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_jwk_export(struct lws_jwk *s, int _private, char *p, size_t len);
-
-/** lws_jwk_load() - Import a JSON Web key from a file
- *
- * \param s: the JWK object to load into
- * \param filename: filename to load from
- *
- * Returns 0 for OK or -1 for failure
- */
-LWS_VISIBLE int
-lws_jwk_load(struct lws_jwk *s, const char *filename);
-
-/** lws_jwk_save() - Export a JSON Web key to a file
- *
- * \param s: the JWK object to save from
- * \param filename: filename to save to
- *
- * Returns 0 for OK or -1 for failure
- */
-LWS_VISIBLE int
-lws_jwk_save(struct lws_jwk *s, const char *filename);
-
-/** lws_jwk_rfc7638_fingerprint() - jwk to RFC7638 compliant fingerprint
- *
- * \param s: the JWK object to fingerprint
- * \param digest32: buffer to take 32-byte digest
- *
- * Returns 0 for OK or -1 for failure
- */
-LWS_VISIBLE int
-lws_jwk_rfc7638_fingerprint(struct lws_jwk *s, char *digest32);
-///@}
-
-
-/*! \defgroup jws JSON Web Signature
- * ## JSON Web Signature API
- *
- * Lws provides an API to check and create RFC7515 JSON Web Signatures
- *
- * SHA256/384/512 HMAC, and RSA 256/384/512 are supported.
- *
- * The API uses your TLS library crypto, but works exactly the same no matter
- * what you TLS backend is.
- */
-///@{
-
-LWS_VISIBLE LWS_EXTERN int
-lws_jws_confirm_sig(const char *in, size_t len, struct lws_jwk *jwk);
-
-/**
- * lws_jws_sign_from_b64() - add b64 sig to b64 hdr + payload
- *
- * \param b64_hdr: protected header encoded in b64, may be NULL
- * \param hdr_len: bytes in b64 coding of protected header
- * \param b64_pay: payload encoded in b64
- * \param pay_len: bytes in b64 coding of payload
- * \param b64_sig: buffer to write the b64 encoded signature into
- * \param sig_len: max bytes we can write at b64_sig
- * \param hash_type: one of LWS_GENHASH_TYPE_SHA[256|384|512]
- * \param jwk: the struct lws_jwk containing the signing key
- *
- * This adds a b64-coded JWS signature of the b64-encoded protected header
- * and b64-encoded payload, at \p b64_sig.  The signature will be as large
- * as the N element of the RSA key when the RSA key is used, eg, 512 bytes for
- * a 4096-bit key, and then b64-encoding on top.
- *
- * In some special cases, there is only payload to sign and no header, in that
- * case \p b64_hdr may be NULL, and only the payload will be hashed before
- * signing.
- *
- * Returns the length of the encoded signature written to \p b64_sig, or -1.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_jws_sign_from_b64(const char *b64_hdr, size_t hdr_len, const char *b64_pay,
-		      size_t pay_len, char *b64_sig, size_t sig_len,
-		      enum lws_genhash_types hash_type, struct lws_jwk *jwk);
-
-/**
- * lws_jws_create_packet() - add b64 sig to b64 hdr + payload
- *
- * \param jwk: the struct lws_jwk containing the signing key
- * \param payload: unencoded payload JSON
- * \param len: length of unencoded payload JSON
- * \param nonce: Nonse string to include in protected header
- * \param out: buffer to take signed packet
- * \param out_len: size of \p out buffer
- *
- * This creates a "flattened" JWS packet from the jwk and the plaintext
- * payload, and signs it.  The packet is written into \p out.
- *
- * This does the whole packet assembly and signing, calling through to
- * lws_jws_sign_from_b64() as part of the process.
- *
- * Returns the length written to \p out, or -1.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_jws_create_packet(struct lws_jwk *jwk, const char *payload, size_t len,
-		      const char *nonce, char *out, size_t out_len);
-
-/**
- * lws_jws_base64_enc() - encode input data into b64url data
- *
- * \param in: the incoming plaintext
- * \param in_len: the length of the incoming plaintext in bytes
- * \param out: the buffer to store the b64url encoded data to
- * \param out_max: the length of \p out in bytes
- *
- * Returns either -1 if problems, or the number of bytes written to \p out.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_jws_base64_enc(const char *in, size_t in_len, char *out, size_t out_max);
-///@}
-#endif
-
-/*! \defgroup extensions Extension related functions
- * ##Extension releated functions
- *
- *  Ws defines optional extensions, lws provides the ability to implement these
- *  in user code if so desired.
- *
- *  We provide one extensions permessage-deflate.
- */
-///@{
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-enum lws_extension_callback_reasons {
-	LWS_EXT_CB_CONSTRUCT				=  4,
-	LWS_EXT_CB_CLIENT_CONSTRUCT			=  5,
-	LWS_EXT_CB_DESTROY				=  8,
-	LWS_EXT_CB_PACKET_TX_PRESEND			= 12,
-	LWS_EXT_CB_PAYLOAD_TX				= 21,
-	LWS_EXT_CB_PAYLOAD_RX				= 22,
-	LWS_EXT_CB_OPTION_DEFAULT			= 23,
-	LWS_EXT_CB_OPTION_SET				= 24,
-	LWS_EXT_CB_OPTION_CONFIRM			= 25,
-	LWS_EXT_CB_NAMED_OPTION_SET			= 26,
-
-	/****** add new things just above ---^ ******/
-};
-
-/** enum lws_ext_options_types */
-enum lws_ext_options_types {
-	EXTARG_NONE, /**< does not take an argument */
-	EXTARG_DEC,  /**< requires a decimal argument */
-	EXTARG_OPT_DEC /**< may have an optional decimal argument */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-};
-
-/** struct lws_ext_options -	Option arguments to the extension.  These are
- *				used in the negotiation at ws upgrade time.
- *				The helper function lws_ext_parse_options()
- *				uses these to generate callbacks */
-struct lws_ext_options {
-	const char *name; /**< Option name, eg, "server_no_context_takeover" */
-	enum lws_ext_options_types type; /**< What kind of args the option can take */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-};
-
-/** struct lws_ext_option_arg */
-struct lws_ext_option_arg {
-	const char *option_name; /**< may be NULL, option_index used then */
-	int option_index; /**< argument ordinal to use if option_name missing */
-	const char *start; /**< value */
-	int len; /**< length of value */
-};
-
-/**
- * typedef lws_extension_callback_function() - Hooks to allow extensions to operate
- * \param context:	Websockets context
- * \param ext:	This extension
- * \param wsi:	Opaque websocket instance pointer
- * \param reason:	The reason for the call
- * \param user:	Pointer to ptr to per-session user data allocated by library
- * \param in:		Pointer used for some callback reasons
- * \param len:	Length set for some callback reasons
- *
- *	Each extension that is active on a particular connection receives
- *	callbacks during the connection lifetime to allow the extension to
- *	operate on websocket data and manage itself.
- *
- *	Libwebsockets takes care of allocating and freeing "user" memory for
- *	each active extension on each connection.  That is what is pointed to
- *	by the user parameter.
- *
- *	LWS_EXT_CB_CONSTRUCT:  called when the server has decided to
- *		select this extension from the list provided by the client,
- *		just before the server will send back the handshake accepting
- *		the connection with this extension active.  This gives the
- *		extension a chance to initialize its connection context found
- *		in user.
- *
- *	LWS_EXT_CB_CLIENT_CONSTRUCT: same as LWS_EXT_CB_CONSTRUCT
- *		but called when client is instantiating this extension.  Some
- *		extensions will work the same on client and server side and then
- *		you can just merge handlers for both CONSTRUCTS.
- *
- *	LWS_EXT_CB_DESTROY:  called when the connection the extension was
- *		being used on is about to be closed and deallocated.  It's the
- *		last chance for the extension to deallocate anything it has
- *		allocated in the user data (pointed to by user) before the
- *		user data is deleted.  This same callback is used whether you
- *		are in client or server instantiation context.
- *
- *	LWS_EXT_CB_PACKET_TX_PRESEND: this works the same way as
- *		LWS_EXT_CB_PACKET_RX_PREPARSE above, except it gives the
- *		extension a chance to change websocket data just before it will
- *		be sent out.  Using the same lws_token pointer scheme in in,
- *		the extension can change the buffer and the length to be
- *		transmitted how it likes.  Again if it wants to grow the
- *		buffer safely, it should copy the data into its own buffer and
- *		set the lws_tokens token pointer to it.
- *
- *	LWS_EXT_CB_ARGS_VALIDATE:
- */
-typedef int
-lws_extension_callback_function(struct lws_context *context,
-			      const struct lws_extension *ext, struct lws *wsi,
-			      enum lws_extension_callback_reasons reason,
-			      void *user, void *in, size_t len);
-
-/** struct lws_extension -	An extension we support */
-struct lws_extension {
-	const char *name; /**< Formal extension name, eg, "permessage-deflate" */
-	lws_extension_callback_function *callback; /**< Service callback */
-	const char *client_offer; /**< String containing exts and options client offers */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-};
-
-/**
- * lws_set_extension_option(): set extension option if possible
- *
- * \param wsi:	websocket connection
- * \param ext_name:	name of ext, like "permessage-deflate"
- * \param opt_name:	name of option, like "rx_buf_size"
- * \param opt_val:	value to set option to
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_set_extension_option(struct lws *wsi, const char *ext_name,
-			 const char *opt_name, const char *opt_val);
-
-/**
- * lws_ext_parse_options() - deal with parsing negotiated extension options
- *
- * \param ext: related extension struct
- * \param wsi:	websocket connection
- * \param ext_user: per-connection extension private data
- * \param opts: list of supported options
- * \param o: option string to parse
- * \param len: length
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_ext_parse_options(const struct lws_extension *ext, struct lws *wsi,
-		       void *ext_user, const struct lws_ext_options *opts,
-		       const char *o, int len);
-
-/** lws_extension_callback_pm_deflate() - extension for RFC7692
- *
- * \param context:	lws context
- * \param ext:	related lws_extension struct
- * \param wsi:	websocket connection
- * \param reason:	incoming callback reason
- * \param user:	per-connection extension private data
- * \param in:	pointer parameter
- * \param len:	length parameter
- *
- * Built-in callback implementing RFC7692 permessage-deflate
- */
-LWS_EXTERN
-int lws_extension_callback_pm_deflate(
-	struct lws_context *context, const struct lws_extension *ext,
-	struct lws *wsi, enum lws_extension_callback_reasons reason,
-	void *user, void *in, size_t len);
-
-/*
- * The internal exts are part of the public abi
- * If we add more extensions, publish the callback here  ------v
- */
-///@}
-
-/*! \defgroup Protocols-and-Plugins Protocols and Plugins
- * \ingroup lwsapi
- *
- * ##Protocol and protocol plugin -related apis
- *
- * Protocols bind ws protocol names to a custom callback specific to that
- * protocol implementaion.
- *
- * A list of protocols can be passed in at context creation time, but it is
- * also legal to leave that NULL and add the protocols and their callback code
- * using plugins.
- *
- * Plugins are much preferable compared to cut and pasting code into an
- * application each time, since they can be used standalone.
- */
-///@{
-/** struct lws_protocols -	List of protocols and handlers client or server
- *					supports. */
-
-struct lws_protocols {
-	const char *name;
-	/**< Protocol name that must match the one given in the client
-	 * Javascript new WebSocket(url, 'protocol') name. */
-	lws_callback_function *callback;
-	/**< The service callback used for this protocol.  It allows the
-	 * service action for an entire protocol to be encapsulated in
-	 * the protocol-specific callback */
-	size_t per_session_data_size;
-	/**< Each new connection using this protocol gets
-	 * this much memory allocated on connection establishment and
-	 * freed on connection takedown.  A pointer to this per-connection
-	 * allocation is passed into the callback in the 'user' parameter */
-	size_t rx_buffer_size;
-	/**< lws allocates this much space for rx data and informs callback
-	 * when something came.  Due to rx flow control, the callback may not
-	 * be able to consume it all without having to return to the event
-	 * loop.  That is supported in lws.
-	 *
-	 * If .tx_packet_size is 0, this also controls how much may be sent at
-	 * once for backwards compatibility.
-	 */
-	unsigned int id;
-	/**< ignored by lws, but useful to contain user information bound
-	 * to the selected protocol.  For example if this protocol was
-	 * called "myprotocol-v2", you might set id to 2, and the user
-	 * code that acts differently according to the version can do so by
-	 * switch (wsi->protocol->id), user code might use some bits as
-	 * capability flags based on selected protocol version, etc. */
-	void *user; /**< ignored by lws, but user code can pass a pointer
-			here it can later access from the protocol callback */
-	size_t tx_packet_size;
-	/**< 0 indicates restrict send() size to .rx_buffer_size for backwards-
-	 * compatibility.
-	 * If greater than zero, a single send() is restricted to this amount
-	 * and any remainder is buffered by lws and sent afterwards also in
-	 * these size chunks.  Since that is expensive, it's preferable
-	 * to restrict one fragment you are trying to send to match this
-	 * size.
-	 */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-};
-
-/**
- * lws_vhost_name_to_protocol() - get vhost's protocol object from its name
- *
- * \param vh: vhost to search
- * \param name: protocol name
- *
- * Returns NULL or a pointer to the vhost's protocol of the requested name
- */
-LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
-lws_vhost_name_to_protocol(struct lws_vhost *vh, const char *name);
-
-/**
- * lws_get_protocol() - Returns a protocol pointer from a websocket
- *				  connection.
- * \param wsi:	pointer to struct websocket you want to know the protocol of
- *
- *
- *	Some apis can act on all live connections of a given protocol,
- *	this is how you can get a pointer to the active protocol if needed.
- */
-LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
-lws_get_protocol(struct lws *wsi);
-
-/** lws_protocol_get() -  deprecated: use lws_get_protocol */
-LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
-lws_protocol_get(struct lws *wsi) LWS_WARN_DEPRECATED;
-
-/**
- * lws_protocol_vh_priv_zalloc() - Allocate and zero down a protocol's per-vhost
- *				   storage
- * \param vhost:	vhost the instance is related to
- * \param prot:		protocol the instance is related to
- * \param size:		bytes to allocate
- *
- * Protocols often find it useful to allocate a per-vhost struct, this is a
- * helper to be called in the per-vhost init LWS_CALLBACK_PROTOCOL_INIT
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_protocol_vh_priv_zalloc(struct lws_vhost *vhost, const struct lws_protocols *prot,
-			    int size);
-
-/**
- * lws_protocol_vh_priv_get() - retreive a protocol's per-vhost storage
- *
- * \param vhost:	vhost the instance is related to
- * \param prot:		protocol the instance is related to
- *
- * Recover a pointer to the allocated per-vhost storage for the protocol created
- * by lws_protocol_vh_priv_zalloc() earlier
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_protocol_vh_priv_get(struct lws_vhost *vhost, const struct lws_protocols *prot);
-
-/**
- * lws_adjust_protocol_psds - change a vhost protocol's per session data size
- *
- * \param wsi: a connection with the protocol to change
- * \param new_size: the new size of the per session data size for the protocol
- *
- * Returns user_space for the wsi, after allocating
- *
- * This should not be used except to initalize a vhost protocol's per session
- * data size one time, before any connections are accepted.
- *
- * Sometimes the protocol wraps another protocol and needs to discover and set
- * its per session data size at runtime.
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_adjust_protocol_psds(struct lws *wsi, size_t new_size);
-
-/**
- * lws_finalize_startup() - drop initial process privileges
- *
- * \param context:	lws context
- *
- * This is called after the end of the vhost protocol initializations, but
- * you may choose to call it earlier
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_finalize_startup(struct lws_context *context);
-
-/**
- * lws_pvo_search() - helper to find a named pvo in a linked-list
- *
- * \param pvo:	the first pvo in the linked-list
- * \param name: the name of the pvo to return if found
- *
- * Returns NULL, or a pointer to the name pvo in the linked-list
- */
-LWS_VISIBLE LWS_EXTERN const struct lws_protocol_vhost_options *
-lws_pvo_search(const struct lws_protocol_vhost_options *pvo, const char *name);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_protocol_init(struct lws_context *context);
-
-#ifdef LWS_WITH_PLUGINS
-
-/* PLUGINS implies LIBUV */
-
-#define LWS_PLUGIN_API_MAGIC 180
-
-/** struct lws_plugin_capability - how a plugin introduces itself to lws */
-struct lws_plugin_capability {
-	unsigned int api_magic;	/**< caller fills this in, plugin fills rest */
-	const struct lws_protocols *protocols; /**< array of supported protocols provided by plugin */
-	int count_protocols; /**< how many protocols */
-	const struct lws_extension *extensions; /**< array of extensions provided by plugin */
-	int count_extensions; /**< how many extensions */
-};
-
-typedef int (*lws_plugin_init_func)(struct lws_context *,
-				    struct lws_plugin_capability *);
-typedef int (*lws_plugin_destroy_func)(struct lws_context *);
-
-/** struct lws_plugin */
-struct lws_plugin {
-	struct lws_plugin *list; /**< linked list */
-#if (UV_VERSION_MAJOR > 0)
-	uv_lib_t lib; /**< shared library pointer */
-#else
-	void *l; /**< so we can compile on ancient libuv */
-#endif
-	char name[64]; /**< name of the plugin */
-	struct lws_plugin_capability caps; /**< plugin capabilities */
-};
-
-#endif
-
-///@}
-
-
-/*! \defgroup generic-sessions plugin: generic-sessions
- * \ingroup Protocols-and-Plugins
- *
- * ##Plugin Generic-sessions related
- *
- * generic-sessions plugin provides a reusable, generic session and login /
- * register / forgot password framework including email verification.
- */
-///@{
-
-#define LWSGS_EMAIL_CONTENT_SIZE 16384
-/**< Maximum size of email we might send */
-
-/* SHA-1 binary and hexified versions */
-/** typedef struct lwsgw_hash_bin */
-typedef struct { unsigned char bin[20]; /**< binary representation of hash */} lwsgw_hash_bin;
-/** typedef struct lwsgw_hash */
-typedef struct { char id[41]; /**< ascii hex representation of hash */ } lwsgw_hash;
-
-/** enum lwsgs_auth_bits */
-enum lwsgs_auth_bits {
-	LWSGS_AUTH_LOGGED_IN = 1, /**< user is logged in as somebody */
-	LWSGS_AUTH_ADMIN = 2,	/**< logged in as the admin user */
-	LWSGS_AUTH_VERIFIED = 4,  /**< user has verified his email */
-	LWSGS_AUTH_FORGOT_FLOW = 8,	/**< he just completed "forgot password" flow */
-};
-
-/** struct lws_session_info - information about user session status */
-struct lws_session_info {
-	char username[32]; /**< username logged in as, or empty string */
-	char email[100]; /**< email address associated with login, or empty string */
-	char ip[72]; /**< ip address session was started from */
-	unsigned int mask; /**< access rights mask associated with session
-	 	 	    * see enum lwsgs_auth_bits */
-	char session[42]; /**< session id string, usable as opaque uid when not logged in */
-};
-
-/** enum lws_gs_event */
-enum lws_gs_event {
-	LWSGSE_CREATED, /**< a new user was created */
-	LWSGSE_DELETED  /**< an existing user was deleted */
-};
-
-/** struct lws_gs_event_args */
-struct lws_gs_event_args {
-	enum lws_gs_event event; /**< which event happened */
-	const char *username; /**< which username the event happened to */
-	const char *email; /**< the email address of that user */
-};
-
-///@}
-
-
-/*! \defgroup context-and-vhost context and vhost related functions
- * ##Context and Vhost releated functions
- * \ingroup lwsapi
- *
- *
- *  LWS requires that there is one context, in which you may define multiple
- *  vhosts.  Each vhost is a virtual host, with either its own listen port
- *  or sharing an existing one.  Each vhost has its own SSL context that can
- *  be set up individually or left disabled.
- *
- *  If you don't care about multiple "site" support, you can ignore it and
- *  lws will create a single default vhost at context creation time.
- */
-///@{
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-
-/** enum lws_context_options - context and vhost options */
-enum lws_context_options {
-	LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT	= (1 << 1) |
-								  (1 << 12),
-	/**< (VH) Don't allow the connection unless the client has a
-	 * client cert that we recognize; provides
-	 * LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT */
-	LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME		= (1 << 2),
-	/**< (CTX) Don't try to get the server's hostname */
-	LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT		= (1 << 3) |
-								  (1 << 12),
-	/**< (VH) Allow non-SSL (plaintext) connections on the same
-	 * port as SSL is listening... undermines the security of SSL;
-	 * provides  LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT */
-	LWS_SERVER_OPTION_LIBEV					= (1 << 4),
-	/**< (CTX) Use libev event loop */
-	LWS_SERVER_OPTION_DISABLE_IPV6				= (1 << 5),
-	/**< (VH) Disable IPV6 support */
-	LWS_SERVER_OPTION_DISABLE_OS_CA_CERTS			= (1 << 6),
-	/**< (VH) Don't load OS CA certs, you will need to load your
-	 * own CA cert(s) */
-	LWS_SERVER_OPTION_PEER_CERT_NOT_REQUIRED		= (1 << 7),
-	/**< (VH) Accept connections with no valid Cert (eg, selfsigned) */
-	LWS_SERVER_OPTION_VALIDATE_UTF8				= (1 << 8),
-	/**< (VH) Check UT-8 correctness */
-	LWS_SERVER_OPTION_SSL_ECDH				= (1 << 9) |
-								  (1 << 12),
-	/**< (VH)  initialize ECDH ciphers */
-	LWS_SERVER_OPTION_LIBUV					= (1 << 10),
-	/**< (CTX)  Use libuv event loop */
-	LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS		= (1 << 11) |
-								  (1 << 12),
-	/**< (VH) Use http redirect to force http to https
-	 * (deprecated: use mount redirection) */
-	LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT			= (1 << 12),
-	/**< (CTX) Initialize the SSL library at all */
-	LWS_SERVER_OPTION_EXPLICIT_VHOSTS			= (1 << 13),
-	/**< (CTX) Only create the context when calling context
-	 * create api, implies user code will create its own vhosts */
-	LWS_SERVER_OPTION_UNIX_SOCK				= (1 << 14),
-	/**< (VH) Use Unix socket */
-	LWS_SERVER_OPTION_STS					= (1 << 15),
-	/**< (VH) Send Strict Transport Security header, making
-	 * clients subsequently go to https even if user asked for http */
-	LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY			= (1 << 16),
-	/**< (VH) Enable LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE to take effect */
-	LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE			= (1 << 17),
-	/**< (VH) if set, only ipv6 allowed on the vhost */
-	LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN		= (1 << 18),
-	/**< (CTX) Libuv only: Do not spin on SIGSEGV / SIGFPE.  A segfault
-	 * normally makes the lib spin so you can attach a debugger to it
-	 * even if it happened without a debugger in place.  You can disable
-	 * that by giving this option.
-	 */
-	LWS_SERVER_OPTION_JUST_USE_RAW_ORIGIN			= (1 << 19),
-	/**< For backwards-compatibility reasons, by default
-	 * lws prepends "http://" to the origin you give in the client
-	 * connection info struct.  If you give this flag when you create
-	 * the context, only the string you give in the client connect
-	 * info for .origin (if any) will be used directly.
-	 */
-	LWS_SERVER_OPTION_FALLBACK_TO_RAW			= (1 << 20),
-	/**< (VH) if invalid http is coming in the first line,  */
-	LWS_SERVER_OPTION_LIBEVENT				= (1 << 21),
-	/**< (CTX) Use libevent event loop */
-	LWS_SERVER_OPTION_ONLY_RAW				= (1 << 22),
-	/**< (VH) All connections to this vhost / port are RAW as soon as
-	 * the connection is accepted, no HTTP is going to be coming.
-	 */
-	LWS_SERVER_OPTION_ALLOW_LISTEN_SHARE			= (1 << 23),
-	/**< (VH) Set to allow multiple listen sockets on one interface +
-	 * address + port.  The default is to strictly allow only one
-	 * listen socket at a time.  This is automatically selected if you
-	 * have multiple service threads.
-	 */
-	LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX			= (1 << 24),
-	/**< (VH) Force setting up the vhost SSL_CTX, even though the user
-	 * code doesn't explicitly provide a cert in the info struct.  It
-	 * implies the user code is going to provide a cert at the
-	 * LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS callback, which
-	 * provides the vhost SSL_CTX * in the user parameter.
-	 */
-	LWS_SERVER_OPTION_SKIP_PROTOCOL_INIT			= (1 << 25),
-	/**< (VH) You probably don't want this.  It forces this vhost to not
-	 * call LWS_CALLBACK_PROTOCOL_INIT on its protocols.  It's used in the
-	 * special case of a temporary vhost bound to a single protocol.
-	 */
-	LWS_SERVER_OPTION_IGNORE_MISSING_CERT			= (1 << 26),
-	/**< (VH) Don't fail if the vhost TLS cert or key are missing, just
-	 * continue.  The vhost won't be able to serve anything, but if for
-	 * example the ACME plugin was configured to fetch a cert, this lets
-	 * you bootstrap your vhost from having no cert to start with.
-	 */
-
-	/****** add new things just above ---^ ******/
-};
-
-#define lws_check_opt(c, f) (((c) & (f)) == (f))
-
-struct lws_plat_file_ops;
-
-/** struct lws_context_creation_info - parameters to create context and /or vhost with
- *
- * This is also used to create vhosts.... if LWS_SERVER_OPTION_EXPLICIT_VHOSTS
- * is not given, then for backwards compatibility one vhost is created at
- * context-creation time using the info from this struct.
- *
- * If LWS_SERVER_OPTION_EXPLICIT_VHOSTS is given, then no vhosts are created
- * at the same time as the context, they are expected to be created afterwards.
- */
-struct lws_context_creation_info {
-	int port;
-	/**< VHOST: Port to listen on. Use CONTEXT_PORT_NO_LISTEN to suppress
-	 * listening for a client. Use CONTEXT_PORT_NO_LISTEN_SERVER if you are
-	 * writing a server but you are using \ref sock-adopt instead of the
-	 * built-in listener.
-	 *
-	 * You can also set port to 0, in which case the kernel will pick
-	 * a random port that is not already in use.  You can find out what
-	 * port the vhost is listening on using lws_get_vhost_listen_port() */
-	const char *iface;
-	/**< VHOST: NULL to bind the listen socket to all interfaces, or the
-	 * interface name, eg, "eth2"
-	 * If options specifies LWS_SERVER_OPTION_UNIX_SOCK, this member is
-	 * the pathname of a UNIX domain socket. you can use the UNIX domain
-	 * sockets in abstract namespace, by prepending an at symbol to the
-	 * socket name. */
-	const struct lws_protocols *protocols;
-	/**< VHOST: Array of structures listing supported protocols and a protocol-
-	 * specific callback for each one.  The list is ended with an
-	 * entry that has a NULL callback pointer. */
-	const struct lws_extension *extensions;
-	/**< VHOST: NULL or array of lws_extension structs listing the
-	 * extensions this context supports. */
-	const struct lws_token_limits *token_limits;
-	/**< CONTEXT: NULL or struct lws_token_limits pointer which is initialized
-	 * with a token length limit for each possible WSI_TOKEN_ */
-	const char *ssl_private_key_password;
-	/**< VHOST: NULL or the passphrase needed for the private key. (For
-	 * backwards compatibility, this can also be used to pass the client
-	 * cert passphrase when setting up a vhost client SSL context, but it is
-	 * preferred to use .client_ssl_private_key_password for that.) */
-	const char *ssl_cert_filepath;
-	/**< VHOST: If libwebsockets was compiled to use ssl, and you want
-	 * to listen using SSL, set to the filepath to fetch the
-	 * server cert from, otherwise NULL for unencrypted.  (For backwards
-	 * compatibility, this can also be used to pass the client certificate
-	 * when setting up a vhost client SSL context, but it is preferred to
-	 * use .client_ssl_cert_filepath for that.) */
-	const char *ssl_private_key_filepath;
-	/**<  VHOST: filepath to private key if wanting SSL mode;
-	 * if this is set to NULL but ssl_cert_filepath is set, the
-	 * OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY callback is called
-	 * to allow setting of the private key directly via openSSL
-	 * library calls.   (For backwards compatibility, this can also be used
-	 * to pass the client cert private key filepath when setting up a
-	 * vhost client SSL context, but it is preferred to use
-	 * .client_ssl_private_key_filepath for that.) */
-	const char *ssl_ca_filepath;
-	/**< VHOST: CA certificate filepath or NULL.  (For backwards
-	 * compatibility, this can also be used to pass the client CA
-	 * filepath when setting up a vhost client SSL context,
-	 * but it is preferred to use .client_ssl_ca_filepath for that.) */
-	const char *ssl_cipher_list;
-	/**< VHOST: List of valid ciphers to use (eg,
-	 * "RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL"
-	 * or you can leave it as NULL to get "DEFAULT" (For backwards
-	 * compatibility, this can also be used to pass the client cipher
-	 * list when setting up a vhost client SSL context,
-	 * but it is preferred to use .client_ssl_cipher_list for that.)*/
-	const char *http_proxy_address;
-	/**< VHOST: If non-NULL, attempts to proxy via the given address.
-	 * If proxy auth is required, use format "username:password\@server:port" */
-	unsigned int http_proxy_port;
-	/**< VHOST: If http_proxy_address was non-NULL, uses this port */
-	int gid;
-	/**< CONTEXT: group id to change to after setting listen socket, or -1. */
-	int uid;
-	/**< CONTEXT: user id to change to after setting listen socket, or -1. */
-	unsigned int options;
-	/**< VHOST + CONTEXT: 0, or LWS_SERVER_OPTION_... bitfields */
-	void *user;
-	/**< VHOST + CONTEXT: optional user pointer that will be associated
-	 * with the context when creating the context (and can be retrieved by
-	 * lws_context_user(context), or with the vhost when creating the vhost
-	 * (and can be retrieved by lws_vhost_user(vhost)).  You will need to
-	 * use LWS_SERVER_OPTION_EXPLICIT_VHOSTS and create the vhost separately
-	 * if you care about giving the context and vhost different user pointer
-	 * values.
-	 */
-	int ka_time;
-	/**< CONTEXT: 0 for no TCP keepalive, otherwise apply this keepalive
-	 * timeout to all libwebsocket sockets, client or server */
-	int ka_probes;
-	/**< CONTEXT: if ka_time was nonzero, after the timeout expires how many
-	 * times to try to get a response from the peer before giving up
-	 * and killing the connection */
-	int ka_interval;
-	/**< CONTEXT: if ka_time was nonzero, how long to wait before each ka_probes
-	 * attempt */
-#if defined(LWS_WITH_TLS) && !defined(LWS_WITH_MBEDTLS)
-	SSL_CTX *provided_client_ssl_ctx;
-	/**< CONTEXT: If non-null, swap out libwebsockets ssl
-	  * implementation for the one provided by provided_ssl_ctx.
-	  * Libwebsockets no longer is responsible for freeing the context
-	  * if this option is selected. */
-#else /* maintain structure layout either way */
-	void *provided_client_ssl_ctx; /**< dummy if ssl disabled */
-#endif
-
-	short max_http_header_data;
-	/**< CONTEXT: The max amount of header payload that can be handled
-	 * in an http request (unrecognized header payload is dropped) */
-	short max_http_header_pool;
-	/**< CONTEXT: The max number of connections with http headers that
-	 * can be processed simultaneously (the corresponding memory is
-	 * allocated and deallocated dynamically as needed).  If the pool is
-	 * fully busy new incoming connections must wait for accept until one
-	 * becomes free. 0 = allow as many ah as number of availble fds for
-	 * the process */
-
-	unsigned int count_threads;
-	/**< CONTEXT: how many contexts to create in an array, 0 = 1 */
-	unsigned int fd_limit_per_thread;
-	/**< CONTEXT: nonzero means restrict each service thread to this
-	 * many fds, 0 means the default which is divide the process fd
-	 * limit by the number of threads. */
-	unsigned int timeout_secs;
-	/**< VHOST: various processes involving network roundtrips in the
-	 * library are protected from hanging forever by timeouts.  If
-	 * nonzero, this member lets you set the timeout used in seconds.
-	 * Otherwise a default timeout is used. */
-	const char *ecdh_curve;
-	/**< VHOST: if NULL, defaults to initializing server with "prime256v1" */
-	const char *vhost_name;
-	/**< VHOST: name of vhost, must match external DNS name used to
-	 * access the site, like "warmcat.com" as it's used to match
-	 * Host: header and / or SNI name for SSL. */
-	const char * const *plugin_dirs;
-	/**< CONTEXT: NULL, or NULL-terminated array of directories to
-	 * scan for lws protocol plugins at context creation time */
-	const struct lws_protocol_vhost_options *pvo;
-	/**< VHOST: pointer to optional linked list of per-vhost
-	 * options made accessible to protocols */
-	int keepalive_timeout;
-	/**< VHOST: (default = 0 = 5s) seconds to allow remote
-	 * client to hold on to an idle HTTP/1.1 connection */
-	const char *log_filepath;
-	/**< VHOST: filepath to append logs to... this is opened before
-	 *		any dropping of initial privileges */
-	const struct lws_http_mount *mounts;
-	/**< VHOST: optional linked list of mounts for this vhost */
-	const char *server_string;
-	/**< CONTEXT: string used in HTTP headers to identify server
- *		software, if NULL, "libwebsockets". */
-	unsigned int pt_serv_buf_size;
-	/**< CONTEXT: 0 = default of 4096.  This buffer is used by
-	 * various service related features including file serving, it
-	 * defines the max chunk of file that can be sent at once.
-	 * At the risk of lws having to buffer failed large sends, it
-	 * can be increased to, eg, 128KiB to improve throughput. */
-	unsigned int max_http_header_data2;
-	/**< CONTEXT: if max_http_header_data is 0 and this
-	 * is nonzero, this will be used in place of the default.  It's
-	 * like this for compatibility with the original short version,
-	 * this is unsigned int length. */
-	long ssl_options_set;
-	/**< VHOST: Any bits set here will be set as SSL options */
-	long ssl_options_clear;
-	/**< VHOST: Any bits set here will be cleared as SSL options */
-	unsigned short ws_ping_pong_interval;
-	/**< CONTEXT: 0 for none, else interval in seconds between sending
-	 * PINGs on idle websocket connections.  When the PING is sent,
-	 * the PONG must come within the normal timeout_secs timeout period
-	 * or the connection will be dropped.
-	 * Any RX or TX traffic on the connection restarts the interval timer,
-	 * so a connection which always sends or receives something at intervals
-	 * less than the interval given here will never send PINGs / expect
-	 * PONGs.  Conversely as soon as the ws connection is established, an
-	 * idle connection will do the PING / PONG roundtrip as soon as
-	 * ws_ping_pong_interval seconds has passed without traffic
-	 */
-	const struct lws_protocol_vhost_options *headers;
-		/**< VHOST: pointer to optional linked list of per-vhost
-		 * canned headers that are added to server responses */
-
-	const struct lws_protocol_vhost_options *reject_service_keywords;
-	/**< CONTEXT: Optional list of keywords and rejection codes + text.
-	 *
-	 * The keywords are checked for existing in the user agent string.
-	 *
-	 * Eg, "badrobot" "404 Not Found"
-	 */
-	void *external_baggage_free_on_destroy;
-	/**< CONTEXT: NULL, or pointer to something externally malloc'd, that
-	 * should be freed when the context is destroyed.  This allows you to
-	 * automatically sync the freeing action to the context destruction
-	 * action, so there is no need for an external free() if the context
-	 * succeeded to create.
-	 */
-
-	const char *client_ssl_private_key_password;
-	/**< VHOST: Client SSL context init: NULL or the passphrase needed
-	 * for the private key */
-	const char *client_ssl_cert_filepath;
-	/**< VHOST: Client SSL context init:T he certificate the client
-	 * should present to the peer on connection */
-	const char *client_ssl_private_key_filepath;
-	/**<  VHOST: Client SSL context init: filepath to client private key
-	 * if this is set to NULL but client_ssl_cert_filepath is set, you
-	 * can handle the LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS
-	 * callback of protocols[0] to allow setting of the private key directly
-	 * via openSSL library calls */
-	const char *client_ssl_ca_filepath;
-	/**< VHOST: Client SSL context init: CA certificate filepath or NULL */
-	const char *client_ssl_cipher_list;
-	/**< VHOST: Client SSL context init: List of valid ciphers to use (eg,
-	* "RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL"
-	* or you can leave it as NULL to get "DEFAULT" */
-
-	const struct lws_plat_file_ops *fops;
-	/**< CONTEXT: NULL, or pointer to an array of fops structs, terminated
-	 * by a sentinel with NULL .open.
-	 *
-	 * If NULL, lws provides just the platform file operations struct for
-	 * backwards compatibility.
-	 */
-	int simultaneous_ssl_restriction;
-	/**< CONTEXT: 0 (no limit) or limit of simultaneous SSL sessions possible.*/
-	const char *socks_proxy_address;
-	/**< VHOST: If non-NULL, attempts to proxy via the given address.
-	 * If proxy auth is required, use format "username:password\@server:port" */
-	unsigned int socks_proxy_port;
-	/**< VHOST: If socks_proxy_address was non-NULL, uses this port */
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-	cap_value_t caps[4];
-	/**< CONTEXT: array holding Linux capabilities you want to
-	 * continue to be available to the server after it transitions
-	 * to a noprivileged user.  Usually none are needed but for, eg,
-	 * .bind_iface, CAP_NET_RAW is required.  This gives you a way
-	 * to still have the capability but drop root.
-	 */
-	char count_caps;
-	/**< CONTEXT: count of Linux capabilities in .caps[].  0 means
-	 * no capabilities will be inherited from root (the default) */
-#endif
-	int bind_iface;
-	/**< VHOST: nonzero to strictly bind sockets to the interface name in
-	 * .iface (eg, "eth2"), using SO_BIND_TO_DEVICE.
-	 *
-	 * Requires SO_BINDTODEVICE support from your OS and CAP_NET_RAW
-	 * capability.
-	 *
-	 * Notice that common things like access network interface IP from
-	 * your local machine use your lo / loopback interface and will be
-	 * disallowed by this.
-	 */
-	int ssl_info_event_mask;
-	/**< VHOST: mask of ssl events to be reported on LWS_CALLBACK_SSL_INFO
-	 * callback for connections on this vhost.  The mask values are of
-	 * the form SSL_CB_ALERT, defined in openssl/ssl.h.  The default of
-	 * 0 means no info events will be reported.
-	 */
-	unsigned int timeout_secs_ah_idle;
-	/**< VHOST: seconds to allow a client to hold an ah without using it.
-	 * 0 defaults to 10s. */
-	unsigned short ip_limit_ah;
-	/**< CONTEXT: max number of ah a single IP may use simultaneously
-	 *	      0 is no limit. This is a soft limit: if the limit is
-	 *	      reached, connections from that IP will wait in the ah
-	 *	      waiting list and not be able to acquire an ah until
-	 *	      a connection belonging to the IP relinquishes one it
-	 *	      already has.
-	 */
-	unsigned short ip_limit_wsi;
-	/**< CONTEXT: max number of wsi a single IP may use simultaneously.
-	 *	      0 is no limit.  This is a hard limit, connections from
-	 *	      the same IP will simply be dropped once it acquires the
-	 *	      amount of simultaneous wsi / accepted connections
-	 *	      given here.
-	 */
-	uint32_t	http2_settings[7];
-	/**< VHOST:  if http2_settings[0] is nonzero, the values given in
-	 *	      http2_settings[1]..[6] are used instead of the lws
-	 *	      platform default values.
-	 *	      Just leave all at 0 if you don't care.
-	 */
-	const char *error_document_404;
-	/**< VHOST: If non-NULL, when asked to serve a non-existent file,
-	 *          lws attempts to server this url path instead.  Eg,
-	 *          "/404.html" */
-	const char *alpn;
-	/**< CONTEXT: If non-NULL, default list of advertised alpn, comma-
-	 *	      separated
-	 *
-	 *     VHOST: If non-NULL, per-vhost list of advertised alpn, comma-
-	 *	      separated
-	 */
-	void **foreign_loops;
-	/**< CONTEXT: This is ignored if the context is not being started with
-	 *		an event loop, ie, .options has a flag like
-	 *		LWS_SERVER_OPTION_LIBUV.
-	 *
-	 *		NULL indicates lws should start its own even loop for
-	 *		each service thread, and deal with closing the loops
-	 *		when the context is destroyed.
-	 *
-	 *		Non-NULL means it points to an array of external
-	 *		("foreign") event loops that are to be used in turn for
-	 *		each service thread.  In the default case of 1 service
-	 *		thread, it can just point to one foreign event loop.
-	 */
-	void (*signal_cb)(void *event_lib_handle, int signum);
-	/**< CONTEXT: NULL: default signal handling.  Otherwise this receives
-	 *		the signal handler callback.  event_lib_handle is the
-	 *		native event library signal handle, eg uv_signal_t *
-	 *		for libuv.
-	 */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility
-	 *
-	 * The below is to ensure later library versions with new
-	 * members added above will see 0 (default) even if the app
-	 * was not built against the newer headers.
-	 */
-	struct lws_context **pcontext;
-	/**< CONTEXT: if non-NULL, at the end of context destroy processing,
-	 * the pointer pointed to by pcontext is written with NULL.  You can
-	 * use this to let foreign event loops know that lws context destruction
-	 * is fully completed.
-	 */
-
-	void *_unused[4]; /**< dummy */
-};
-
-/**
- * lws_create_context() - Create the websocket handler
- * \param info:	pointer to struct with parameters
- *
- *	This function creates the listening socket (if serving) and takes care
- *	of all initialization in one step.
- *
- *	If option LWS_SERVER_OPTION_EXPLICIT_VHOSTS is given, no vhost is
- *	created; you're expected to create your own vhosts afterwards using
- *	lws_create_vhost().  Otherwise a vhost named "default" is also created
- *	using the information in the vhost-related members, for compatibility.
- *
- *	After initialization, it returns a struct lws_context * that
- *	represents this server.  After calling, user code needs to take care
- *	of calling lws_service() with the context pointer to get the
- *	server's sockets serviced.  This must be done in the same process
- *	context as the initialization call.
- *
- *	The protocol callback functions are called for a handful of events
- *	including http requests coming in, websocket connections becoming
- *	established, and data arriving; it's also called periodically to allow
- *	async transmission.
- *
- *	HTTP requests are sent always to the FIRST protocol in protocol, since
- *	at that time websocket protocol has not been negotiated.  Other
- *	protocols after the first one never see any HTTP callback activity.
- *
- *	The server created is a simple http server by default; part of the
- *	websocket standard is upgrading this http connection to a websocket one.
- *
- *	This allows the same server to provide files like scripts and favicon /
- *	images or whatever over http and dynamic data over websockets all in
- *	one place; they're all handled in the user callback.
- */
-LWS_VISIBLE LWS_EXTERN struct lws_context *
-lws_create_context(const struct lws_context_creation_info *info);
-
-
-/**
- * lws_context_destroy() - Destroy the websocket context
- * \param context:	Websocket context
- *
- *	This function closes any active connections and then frees the
- *	context.  After calling this, any further use of the context is
- *	undefined.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_context_destroy(struct lws_context *context);
-
-typedef int (*lws_reload_func)(void);
-
-/**
- * lws_context_deprecate() - Deprecate the websocket context
- *
- * \param context:	Websocket context
- * \param cb: Callback notified when old context listen sockets are closed
- *
- *	This function is used on an existing context before superceding it
- *	with a new context.
- *
- *	It closes any listen sockets in the context, so new connections are
- *	not possible.
- *
- *	And it marks the context to be deleted when the number of active
- *	connections into it falls to zero.
- *
- *	Otherwise if you attach the deprecated context to the replacement
- *	context when it has been created using lws_context_attach_deprecated()
- *	both any deprecated and the new context will service their connections.
- *
- *	This is aimed at allowing seamless configuration reloads.
- *
- *	The callback cb will be called after the listen sockets are actually
- *	closed and may be reopened.  In the callback the new context should be
- *	configured and created.  (With libuv, socket close happens async after
- *	more loop events).
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_context_deprecate(struct lws_context *context, lws_reload_func cb);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_context_is_deprecated(struct lws_context *context);
-
-/**
- * lws_set_proxy() - Setups proxy to lws_context.
- * \param vhost:	pointer to struct lws_vhost you want set proxy for
- * \param proxy: pointer to c string containing proxy in format address:port
- *
- * Returns 0 if proxy string was parsed and proxy was setup.
- * Returns -1 if proxy is NULL or has incorrect format.
- *
- * This is only required if your OS does not provide the http_proxy
- * environment variable (eg, OSX)
- *
- *   IMPORTANT! You should call this function right after creation of the
- *   lws_context and before call to connect. If you call this
- *   function after connect behavior is undefined.
- *   This function will override proxy settings made on lws_context
- *   creation with genenv() call.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_set_proxy(struct lws_vhost *vhost, const char *proxy);
-
-/**
- * lws_set_socks() - Setup socks to lws_context.
- * \param vhost:	pointer to struct lws_vhost you want set socks for
- * \param socks: pointer to c string containing socks in format address:port
- *
- * Returns 0 if socks string was parsed and socks was setup.
- * Returns -1 if socks is NULL or has incorrect format.
- *
- * This is only required if your OS does not provide the socks_proxy
- * environment variable (eg, OSX)
- *
- *   IMPORTANT! You should call this function right after creation of the
- *   lws_context and before call to connect. If you call this
- *   function after connect behavior is undefined.
- *   This function will override proxy settings made on lws_context
- *   creation with genenv() call.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_set_socks(struct lws_vhost *vhost, const char *socks);
-
-struct lws_vhost;
-
-/**
- * lws_create_vhost() - Create a vhost (virtual server context)
- * \param context:	pointer to result of lws_create_context()
- * \param info:		pointer to struct with parameters
- *
- * This function creates a virtual server (vhost) using the vhost-related
- * members of the info struct.  You can create many vhosts inside one context
- * if you created the context with the option LWS_SERVER_OPTION_EXPLICIT_VHOSTS
- */
-LWS_VISIBLE LWS_EXTERN struct lws_vhost *
-lws_create_vhost(struct lws_context *context,
-		 const struct lws_context_creation_info *info);
-
-/**
- * lws_vhost_destroy() - Destroy a vhost (virtual server context)
- *
- * \param vh:	pointer to result of lws_create_vhost()
- *
- * This function destroys a vhost.  Normally, if you just want to exit,
- * then lws_destroy_context() will take care of everything.  If you want
- * to destroy an individual vhost and all connections and allocations, you
- * can do it with this.
- *
- * If the vhost has a listen sockets shared by other vhosts, it will be given
- * to one of the vhosts sharing it rather than closed.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_vhost_destroy(struct lws_vhost *vh);
-
-/**
- * lwsws_get_config_globals() - Parse a JSON server config file
- * \param info:		pointer to struct with parameters
- * \param d:		filepath of the config file
- * \param config_strings: storage for the config strings extracted from JSON,
- * 			  the pointer is incremented as strings are stored
- * \param len:		pointer to the remaining length left in config_strings
- *			  the value is decremented as strings are stored
- *
- * This function prepares a n lws_context_creation_info struct with global
- * settings from a file d.
- *
- * Requires CMake option LWS_WITH_LEJP_CONF to have been enabled
- */
-LWS_VISIBLE LWS_EXTERN int
-lwsws_get_config_globals(struct lws_context_creation_info *info, const char *d,
-			 char **config_strings, int *len);
-
-/**
- * lwsws_get_config_vhosts() - Create vhosts from a JSON server config file
- * \param context:	pointer to result of lws_create_context()
- * \param info:		pointer to struct with parameters
- * \param d:		filepath of the config file
- * \param config_strings: storage for the config strings extracted from JSON,
- * 			  the pointer is incremented as strings are stored
- * \param len:		pointer to the remaining length left in config_strings
- *			  the value is decremented as strings are stored
- *
- * This function creates vhosts into a context according to the settings in
- *JSON files found in directory d.
- *
- * Requires CMake option LWS_WITH_LEJP_CONF to have been enabled
- */
-LWS_VISIBLE LWS_EXTERN int
-lwsws_get_config_vhosts(struct lws_context *context,
-			struct lws_context_creation_info *info, const char *d,
-			char **config_strings, int *len);
-
-/** lws_vhost_get() - \deprecated deprecated: use lws_get_vhost() */
-LWS_VISIBLE LWS_EXTERN struct lws_vhost *
-lws_vhost_get(struct lws *wsi) LWS_WARN_DEPRECATED;
-
-/**
- * lws_get_vhost() - return the vhost a wsi belongs to
- *
- * \param wsi: which connection
- */
-LWS_VISIBLE LWS_EXTERN struct lws_vhost *
-lws_get_vhost(struct lws *wsi);
-
-/**
- * lws_get_vhost_name() - returns the name of a vhost
- *
- * \param vhost: which vhost
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_get_vhost_name(struct lws_vhost *vhost);
-
-/**
- * lws_get_vhost_port() - returns the port a vhost listens on, or -1
- *
- * \param vhost: which vhost
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_get_vhost_port(struct lws_vhost *vhost);
-
-/**
- * lws_get_vhost_user() - returns the user pointer for the vhost
- *
- * \param vhost: which vhost
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_get_vhost_user(struct lws_vhost *vhost);
-
-/**
- * lws_get_vhost_iface() - returns the binding for the vhost listen socket
- *
- * \param vhost: which vhost
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_get_vhost_iface(struct lws_vhost *vhost);
-
-/**
- * lws_json_dump_vhost() - describe vhost state and stats in JSON
- *
- * \param vh: the vhost
- * \param buf: buffer to fill with JSON
- * \param len: max length of buf
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_json_dump_vhost(const struct lws_vhost *vh, char *buf, int len);
-
-/**
- * lws_json_dump_context() - describe context state and stats in JSON
- *
- * \param context: the context
- * \param buf: buffer to fill with JSON
- * \param len: max length of buf
- * \param hide_vhosts: nonzero to not provide per-vhost mount etc information
- *
- * Generates a JSON description of vhost state into buf
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_json_dump_context(const struct lws_context *context, char *buf, int len,
-		      int hide_vhosts);
-
-/**
- * lws_vhost_user() - get the user data associated with the vhost
- * \param vhost: Websocket vhost
- *
- * This returns the optional user pointer that can be attached to
- * a vhost when it was created.  Lws never dereferences this pointer, it only
- * sets it when the vhost is created, and returns it using this api.
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_vhost_user(struct lws_vhost *vhost);
-
-/**
- * lws_context_user() - get the user data associated with the context
- * \param context: Websocket context
- *
- * This returns the optional user allocation that can be attached to
- * the context the sockets live in at context_create time.  It's a way
- * to let all sockets serviced in the same context share data without
- * using globals statics in the user code.
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_context_user(struct lws_context *context);
-
-/*! \defgroup vhost-mounts Vhost mounts and options
- * \ingroup context-and-vhost-creation
- *
- * ##Vhost mounts and options
- */
-///@{
-/** struct lws_protocol_vhost_options - linked list of per-vhost protocol
- * 					name=value options
- *
- * This provides a general way to attach a linked-list of name=value pairs,
- * which can also have an optional child link-list using the options member.
- */
-struct lws_protocol_vhost_options {
-	const struct lws_protocol_vhost_options *next; /**< linked list */
-	const struct lws_protocol_vhost_options *options; /**< child linked-list of more options for this node */
-	const char *name; /**< name of name=value pair */
-	const char *value; /**< value of name=value pair */
-};
-
-/** enum lws_mount_protocols
- * This specifies the mount protocol for a mountpoint, whether it is to be
- * served from a filesystem, or it is a cgi etc.
- */
-enum lws_mount_protocols {
-	LWSMPRO_HTTP		= 0, /**< http reverse proxy */
-	LWSMPRO_HTTPS		= 1, /**< https reverse proxy */
-	LWSMPRO_FILE		= 2, /**< serve from filesystem directory */
-	LWSMPRO_CGI		= 3, /**< pass to CGI to handle */
-	LWSMPRO_REDIR_HTTP	= 4, /**< redirect to http:// url */
-	LWSMPRO_REDIR_HTTPS	= 5, /**< redirect to https:// url */
-	LWSMPRO_CALLBACK	= 6, /**< hand by named protocol's callback */
-};
-
-/** struct lws_http_mount
- *
- * arguments for mounting something in a vhost's url namespace
- */
-struct lws_http_mount {
-	const struct lws_http_mount *mount_next;
-	/**< pointer to next struct lws_http_mount */
-	const char *mountpoint;
-	/**< mountpoint in http pathspace, eg, "/" */
-	const char *origin;
-	/**< path to be mounted, eg, "/var/www/warmcat.com" */
-	const char *def;
-	/**< default target, eg, "index.html" */
-	const char *protocol;
-	/**<"protocol-name" to handle mount */
-
-	const struct lws_protocol_vhost_options *cgienv;
-	/**< optional linked-list of cgi options.  These are created
-	 * as environment variables for the cgi process
-	 */
-	const struct lws_protocol_vhost_options *extra_mimetypes;
-	/**< optional linked-list of mimetype mappings */
-	const struct lws_protocol_vhost_options *interpret;
-	/**< optional linked-list of files to be interpreted */
-
-	int cgi_timeout;
-	/**< seconds cgi is allowed to live, if cgi://mount type */
-	int cache_max_age;
-	/**< max-age for reuse of client cache of files, seconds */
-	unsigned int auth_mask;
-	/**< bits set here must be set for authorized client session */
-
-	unsigned int cache_reusable:1; /**< set if client cache may reuse this */
-	unsigned int cache_revalidate:1; /**< set if client cache should revalidate on use */
-	unsigned int cache_intermediaries:1; /**< set if intermediaries are allowed to cache */
-
-	unsigned char origin_protocol; /**< one of enum lws_mount_protocols */
-	unsigned char mountpoint_len; /**< length of mountpoint string */
-
-	const char *basic_auth_login_file;
-	/**<NULL, or filepath to use to check basic auth logins against */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility
-	 *
-	 * The below is to ensure later library versions with new
-	 * members added above will see 0 (default) even if the app
-	 * was not built against the newer headers.
-	 */
-
-	void *_unused[2]; /**< dummy */
-};
-///@}
-///@}
-
-/*! \defgroup client Client related functions
- * ##Client releated functions
- * \ingroup lwsapi
- *
- * */
-///@{
-
-/** enum lws_client_connect_ssl_connection_flags - flags that may be used
- * with struct lws_client_connect_info ssl_connection member to control if
- * and how SSL checks apply to the client connection being created
- */
-
-enum lws_client_connect_ssl_connection_flags {
-	LCCSCF_USE_SSL 				= (1 << 0),
-	LCCSCF_ALLOW_SELFSIGNED			= (1 << 1),
-	LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK	= (1 << 2),
-	LCCSCF_ALLOW_EXPIRED			= (1 << 3),
-
-	LCCSCF_PIPELINE				= (1 << 16),
-		/**< Serialize / pipeline multiple client connections
-		 * on a single connection where possible.
-		 *
-		 * HTTP/1.0: possible if Keep-Alive: yes sent by server
-		 * HTTP/1.1: always possible... uses pipelining
-		 * HTTP/2:   always possible... uses parallel streams
-		 * */
-};
-
-/** struct lws_client_connect_info - parameters to connect with when using
- *				    lws_client_connect_via_info() */
-
-struct lws_client_connect_info {
-	struct lws_context *context;
-	/**< lws context to create connection in */
-	const char *address;
-	/**< remote address to connect to */
-	int port;
-	/**< remote port to connect to */
-	int ssl_connection;
-	/**< 0, or a combination of LCCSCF_ flags */
-	const char *path;
-	/**< uri path */
-	const char *host;
-	/**< content of host header */
-	const char *origin;
-	/**< content of origin header */
-	const char *protocol;
-	/**< list of ws protocols we could accept */
-	int ietf_version_or_minus_one;
-	/**< deprecated: currently leave at 0 or -1 */
-	void *userdata;
-	/**< if non-NULL, use this as wsi user_data instead of malloc it */
-	const void *client_exts;
-	/**< UNUSED... provide in info.extensions at context creation time */
-	const char *method;
-	/**< if non-NULL, do this http method instead of ws[s] upgrade.
-	 * use "GET" to be a simple http client connection.  "RAW" gets
-	 * you a connected socket that lws itself will leave alone once
-	 * connected. */
-	struct lws *parent_wsi;
-	/**< if another wsi is responsible for this connection, give it here.
-	 * this is used to make sure if the parent closes so do any
-	 * child connections first. */
-	const char *uri_replace_from;
-	/**< if non-NULL, when this string is found in URIs in
-	 * text/html content-encoding, it's replaced with uri_replace_to */
-	const char *uri_replace_to;
-	/**< see uri_replace_from */
-	struct lws_vhost *vhost;
-	/**< vhost to bind to (used to determine related SSL_CTX) */
-	struct lws **pwsi;
-	/**< if not NULL, store the new wsi here early in the connection
-	 * process.  Although we return the new wsi, the call to create the
-	 * client connection does progress the connection somewhat and may
-	 * meet an error that will result in the connection being scrubbed and
-	 * NULL returned.  While the wsi exists though, he may process a
-	 * callback like CLIENT_CONNECTION_ERROR with his wsi: this gives the
-	 * user callback a way to identify which wsi it is that faced the error
-	 * even before the new wsi is returned and even if ultimately no wsi
-	 * is returned.
-	 */
-	const char *iface;
-	/**< NULL to allow routing on any interface, or interface name or IP
-	 * to bind the socket to */
-	const char *local_protocol_name;
-	/**< NULL: .protocol is used both to select the local protocol handler
-	 *         to bind to and as the list of remote ws protocols we could
-	 *         accept.
-	 *   non-NULL: this protocol name is used to bind the connection to
-	 *             the local protocol handler.  .protocol is used for the
-	 *             list of remote ws protocols we could accept */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility
-	 *
-	 * The below is to ensure later library versions with new
-	 * members added above will see 0 (default) even if the app
-	 * was not built against the newer headers.
-	 */
-	const char *alpn;
-	/* NULL: allow lws default ALPN list, from vhost if present or from
-	 *       list of roles built into lws
-	 * non-NULL: require one from provided comma-separated list of alpn
-	 *           tokens
-	 */
-
-	void *_unused[4]; /**< dummy */
-};
-
-/**
- * lws_client_connect_via_info() - Connect to another websocket server
- * \param ccinfo: pointer to lws_client_connect_info struct
- *
- *	This function creates a connection to a remote server using the
- *	information provided in ccinfo.
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_client_connect_via_info(struct lws_client_connect_info * ccinfo);
-
-/**
- * lws_client_connect() - Connect to another websocket server
- * 		\deprecated DEPRECATED use lws_client_connect_via_info
- * \param clients:	Websocket context
- * \param address:	Remote server address, eg, "myserver.com"
- * \param port:	Port to connect to on the remote server, eg, 80
- * \param ssl_connection:	0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self
- *			signed certs
- * \param path:	Websocket path on server
- * \param host:	Hostname on server
- * \param origin:	Socket origin name
- * \param protocol:	Comma-separated list of protocols being asked for from
- *		the server, or just one.  The server will pick the one it
- *		likes best.  If you don't want to specify a protocol, which is
- *		legal, use NULL here.
- * \param ietf_version_or_minus_one: -1 to ask to connect using the default, latest
- *		protocol supported, or the specific protocol ordinal
- *
- *	This function creates a connection to a remote server
- */
-/* deprecated, use lws_client_connect_via_info() */
-LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
-lws_client_connect(struct lws_context *clients, const char *address,
-		   int port, int ssl_connection, const char *path,
-		   const char *host, const char *origin, const char *protocol,
-		   int ietf_version_or_minus_one) LWS_WARN_DEPRECATED;
-/* deprecated, use lws_client_connect_via_info() */
-/**
- * lws_client_connect_extended() - Connect to another websocket server
- * 			\deprecated DEPRECATED use lws_client_connect_via_info
- * \param clients:	Websocket context
- * \param address:	Remote server address, eg, "myserver.com"
- * \param port:	Port to connect to on the remote server, eg, 80
- * \param ssl_connection:	0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self
- *			signed certs
- * \param path:	Websocket path on server
- * \param host:	Hostname on server
- * \param origin:	Socket origin name
- * \param protocol:	Comma-separated list of protocols being asked for from
- *		the server, or just one.  The server will pick the one it
- *		likes best.
- * \param ietf_version_or_minus_one: -1 to ask to connect using the default, latest
- *		protocol supported, or the specific protocol ordinal
- * \param userdata: Pre-allocated user data
- *
- *	This function creates a connection to a remote server
- */
-LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
-lws_client_connect_extended(struct lws_context *clients, const char *address,
-			    int port, int ssl_connection, const char *path,
-			    const char *host, const char *origin,
-			    const char *protocol, int ietf_version_or_minus_one,
-			    void *userdata) LWS_WARN_DEPRECATED;
-
-/**
- * lws_init_vhost_client_ssl() - also enable client SSL on an existing vhost
- *
- * \param info: client ssl related info
- * \param vhost: which vhost to initialize client ssl operations on
- *
- * You only need to call this if you plan on using SSL client connections on
- * the vhost.  For non-SSL client connections, it's not necessary to call this.
- *
- * The following members of info are used during the call
- *
- *	 - options must have LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT set,
- *	     otherwise the call does nothing
- *	 - provided_client_ssl_ctx must be NULL to get a generated client
- *	     ssl context, otherwise you can pass a prepared one in by setting it
- *	 - ssl_cipher_list may be NULL or set to the client valid cipher list
- *	 - ssl_ca_filepath may be NULL or client cert filepath
- *	 - ssl_cert_filepath may be NULL or client cert filepath
- *	 - ssl_private_key_filepath may be NULL or client cert private key
- *
- * You must create your vhost explicitly if you want to use this, so you have
- * a pointer to the vhost.  Create the context first with the option flag
- * LWS_SERVER_OPTION_EXPLICIT_VHOSTS and then call lws_create_vhost() with
- * the same info struct.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_init_vhost_client_ssl(const struct lws_context_creation_info *info,
-			  struct lws_vhost *vhost);
-/**
- * lws_http_client_read() - consume waiting received http client data
- *
- * \param wsi: client connection
- * \param buf: pointer to buffer pointer - fill with pointer to your buffer
- * \param len: pointer to chunk length - fill with max length of buffer
- *
- * This is called when the user code is notified client http data has arrived.
- * The user code may choose to delay calling it to consume the data, for example
- * waiting until an onward connection is writeable.
- *
- * For non-chunked connections, up to len bytes of buf are filled with the
- * received content.  len is set to the actual amount filled before return.
- *
- * For chunked connections, the linear buffer content contains the chunking
- * headers and it cannot be passed in one lump.  Instead, this function will
- * call back LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ with in pointing to the
- * chunk start and len set to the chunk length.  There will be as many calls
- * as there are chunks or partial chunks in the buffer.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_http_client_read(struct lws *wsi, char **buf, int *len);
-
-/**
- * lws_http_client_http_response() - get last HTTP response code
- *
- * \param wsi: client connection
- *
- * Returns the last server response code, eg, 200 for client http connections.
- *
- * You should capture this during the LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP
- * callback, because after that the memory reserved for storing the related
- * headers is freed and this value is lost.
- */
-LWS_VISIBLE LWS_EXTERN unsigned int
-lws_http_client_http_response(struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_client_http_body_pending(struct lws *wsi, int something_left_to_send);
-
-/**
- * lws_client_http_body_pending() - control if client connection neeeds to send body
- *
- * \param wsi: client connection
- * \param something_left_to_send: nonzero if need to send more body, 0 (default)
- * 				if nothing more to send
- *
- * If you will send payload data with your HTTP client connection, eg, for POST,
- * when you set the related http headers in
- * LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER callback you should also call
- * this API with something_left_to_send nonzero, and call
- * lws_callback_on_writable(wsi);
- *
- * After sending the headers, lws will call your callback with
- * LWS_CALLBACK_CLIENT_HTTP_WRITEABLE reason when writable.  You can send the
- * next part of the http body payload, calling lws_callback_on_writable(wsi);
- * if there is more to come, or lws_client_http_body_pending(wsi, 0); to
- * let lws know the last part is sent and the connection can move on.
- */
-
-///@}
-
-/** \defgroup service Built-in service loop entry
- *
- * ##Built-in service loop entry
- *
- * If you're not using libev / libuv, these apis are needed to enter the poll()
- * wait in lws and service any connections with pending events.
- */
-///@{
-
-/**
- * lws_service() - Service any pending websocket activity
- * \param context:	Websocket context
- * \param timeout_ms:	Timeout for poll; 0 means return immediately if nothing needed
- *		service otherwise block and service immediately, returning
- *		after the timeout if nothing needed service.
- *
- *	This function deals with any pending websocket traffic, for three
- *	kinds of event.  It handles these events on both server and client
- *	types of connection the same.
- *
- *	1) Accept new connections to our context's server
- *
- *	2) Call the receive callback for incoming frame data received by
- *	    server or client connections.
- *
- *	You need to call this service function periodically to all the above
- *	functions to happen; if your application is single-threaded you can
- *	just call it in your main event loop.
- *
- *	Alternatively you can fork a new process that asynchronously handles
- *	calling this service in a loop.  In that case you are happy if this
- *	call blocks your thread until it needs to take care of something and
- *	would call it with a large nonzero timeout.  Your loop then takes no
- *	CPU while there is nothing happening.
- *
- *	If you are calling it in a single-threaded app, you don't want it to
- *	wait around blocking other things in your loop from happening, so you
- *	would call it with a timeout_ms of 0, so it returns immediately if
- *	nothing is pending, or as soon as it services whatever was pending.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_service(struct lws_context *context, int timeout_ms);
-
-/**
- * lws_service_tsi() - Service any pending websocket activity
- *
- * \param context:	Websocket context
- * \param timeout_ms:	Timeout for poll; 0 means return immediately if nothing needed
- *		service otherwise block and service immediately, returning
- *		after the timeout if nothing needed service.
- * \param tsi:		Thread service index, starting at 0
- *
- * Same as lws_service(), but for a specific thread service index.  Only needed
- * if you are spawning multiple service threads.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_service_tsi(struct lws_context *context, int timeout_ms, int tsi);
-
-/**
- * lws_cancel_service_pt() - Cancel servicing of pending socket activity
- *				on one thread
- * \param wsi:	Cancel service on the thread this wsi is serviced by
- *
- * Same as lws_cancel_service(), but targets a single service thread, the one
- * the wsi belongs to.  You probably want to use lws_cancel_service() instead.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_cancel_service_pt(struct lws *wsi);
-
-/**
- * lws_cancel_service() - Cancel wait for new pending socket activity
- * \param context:	Websocket context
- *
- * This function creates an immediate "synchronous interrupt" to the lws poll()
- * wait or event loop.  As soon as possible in the serialzed service sequencing,
- * a LWS_CALLBACK_EVENT_WAIT_CANCELLED callback is sent to every protocol on
- * every vhost.
- *
- * lws_cancel_service() may be called from another thread while the context
- * exists, and its effect will be immediately serialized.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_cancel_service(struct lws_context *context);
-
-/**
- * lws_service_fd() - Service polled socket with something waiting
- * \param context:	Websocket context
- * \param pollfd:	The pollfd entry describing the socket fd and which events
- *		happened, or NULL to tell lws to do only timeout servicing.
- *
- * This function takes a pollfd that has POLLIN or POLLOUT activity and
- * services it according to the state of the associated
- * struct lws.
- *
- * The one call deals with all "service" that might happen on a socket
- * including listen accepts, http files as well as websocket protocol.
- *
- * If a pollfd says it has something, you can just pass it to
- * lws_service_fd() whether it is a socket handled by lws or not.
- * If it sees it is a lws socket, the traffic will be handled and
- * pollfd->revents will be zeroed now.
- *
- * If the socket is foreign to lws, it leaves revents alone.  So you can
- * see if you should service yourself by checking the pollfd revents
- * after letting lws try to service it.
- *
- * You should also call this with pollfd = NULL to just allow the
- * once-per-second global timeout checks; if less than a second since the last
- * check it returns immediately then.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_service_fd(struct lws_context *context, struct lws_pollfd *pollfd);
-
-/**
- * lws_service_fd_tsi() - Service polled socket in specific service thread
- * \param context:	Websocket context
- * \param pollfd:	The pollfd entry describing the socket fd and which events
- *		happened.
- * \param tsi: thread service index
- *
- * Same as lws_service_fd() but used with multiple service threads
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_service_fd_tsi(struct lws_context *context, struct lws_pollfd *pollfd,
-		   int tsi);
-
-/**
- * lws_service_adjust_timeout() - Check for any connection needing forced service
- * \param context:	Websocket context
- * \param timeout_ms:	The original poll timeout value.  You can just set this
- *			to 1 if you don't really have a poll timeout.
- * \param tsi: thread service index
- *
- * Under some conditions connections may need service even though there is no
- * pending network action on them, this is "forced service".  For default
- * poll() and libuv / libev, the library takes care of calling this and
- * dealing with it for you.  But for external poll() integration, you need
- * access to the apis.
- *
- * If anybody needs "forced service", returned timeout is zero.  In that case,
- * you can call lws_service_tsi() with a timeout of -1 to only service
- * guys who need forced service.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_service_adjust_timeout(struct lws_context *context, int timeout_ms, int tsi);
-
-/* Backwards compatibility */
-#define lws_plat_service_tsi lws_service_tsi
-
-LWS_VISIBLE LWS_EXTERN int
-lws_handle_POLLOUT_event(struct lws *wsi, struct lws_pollfd *pollfd);
-
-///@}
-
-/*! \defgroup http HTTP
-
-    Modules related to handling HTTP
-*/
-//@{
-
-/*! \defgroup httpft HTTP File transfer
- * \ingroup http
-
-    APIs for sending local files in response to HTTP requests
-*/
-//@{
-
-/**
- * lws_get_mimetype() - Determine mimetype to use from filename
- *
- * \param file:		filename
- * \param m:		NULL, or mount context
- *
- * This uses a canned list of known filetypes first, if no match and m is
- * non-NULL, then tries a list of per-mount file suffix to mimtype mappings.
- *
- * Returns either NULL or a pointer to the mimetype matching the file.
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_get_mimetype(const char *file, const struct lws_http_mount *m);
-
-/**
- * lws_serve_http_file() - Send a file back to the client using http
- * \param wsi:		Websocket instance (available from user callback)
- * \param file:		The file to issue over http
- * \param content_type:	The http content type, eg, text/html
- * \param other_headers:	NULL or pointer to header string
- * \param other_headers_len:	length of the other headers if non-NULL
- *
- *	This function is intended to be called from the callback in response
- *	to http requests from the client.  It allows the callback to issue
- *	local files down the http link in a single step.
- *
- *	Returning <0 indicates error and the wsi should be closed.  Returning
- *	>0 indicates the file was completely sent and
- *	lws_http_transaction_completed() called on the wsi (and close if != 0)
- *	==0 indicates the file transfer is started and needs more service later,
- *	the wsi should be left alone.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_serve_http_file(struct lws *wsi, const char *file, const char *content_type,
-		    const char *other_headers, int other_headers_len);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_serve_http_file_fragment(struct lws *wsi);
-//@}
-
-
-enum http_status {
-	HTTP_STATUS_CONTINUE					= 100,
-
-	HTTP_STATUS_OK						= 200,
-	HTTP_STATUS_NO_CONTENT					= 204,
-	HTTP_STATUS_PARTIAL_CONTENT				= 206,
-
-	HTTP_STATUS_MOVED_PERMANENTLY				= 301,
-	HTTP_STATUS_FOUND					= 302,
-	HTTP_STATUS_SEE_OTHER					= 303,
-	HTTP_STATUS_NOT_MODIFIED				= 304,
-
-	HTTP_STATUS_BAD_REQUEST					= 400,
-	HTTP_STATUS_UNAUTHORIZED,
-	HTTP_STATUS_PAYMENT_REQUIRED,
-	HTTP_STATUS_FORBIDDEN,
-	HTTP_STATUS_NOT_FOUND,
-	HTTP_STATUS_METHOD_NOT_ALLOWED,
-	HTTP_STATUS_NOT_ACCEPTABLE,
-	HTTP_STATUS_PROXY_AUTH_REQUIRED,
-	HTTP_STATUS_REQUEST_TIMEOUT,
-	HTTP_STATUS_CONFLICT,
-	HTTP_STATUS_GONE,
-	HTTP_STATUS_LENGTH_REQUIRED,
-	HTTP_STATUS_PRECONDITION_FAILED,
-	HTTP_STATUS_REQ_ENTITY_TOO_LARGE,
-	HTTP_STATUS_REQ_URI_TOO_LONG,
-	HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE,
-	HTTP_STATUS_REQ_RANGE_NOT_SATISFIABLE,
-	HTTP_STATUS_EXPECTATION_FAILED,
-
-	HTTP_STATUS_INTERNAL_SERVER_ERROR			= 500,
-	HTTP_STATUS_NOT_IMPLEMENTED,
-	HTTP_STATUS_BAD_GATEWAY,
-	HTTP_STATUS_SERVICE_UNAVAILABLE,
-	HTTP_STATUS_GATEWAY_TIMEOUT,
-	HTTP_STATUS_HTTP_VERSION_NOT_SUPPORTED,
-};
-/*! \defgroup html-chunked-substitution HTML Chunked Substitution
- * \ingroup http
- *
- * ##HTML chunked Substitution
- *
- * APIs for receiving chunks of text, replacing a set of variable names via
- * a callback, and then prepending and appending HTML chunked encoding
- * headers.
- */
-//@{
-
-struct lws_process_html_args {
-	char *p; /**< pointer to the buffer containing the data */
-	int len; /**< length of the original data at p */
-	int max_len; /**< maximum length we can grow the data to */
-	int final; /**< set if this is the last chunk of the file */
-	int chunked; /**< 0 == unchunked, 1 == produce chunk headers (incompatible with HTTP/2) */
-};
-
-typedef const char *(*lws_process_html_state_cb)(void *data, int index);
-
-struct lws_process_html_state {
-	char *start; /**< pointer to start of match */
-	char swallow[16]; /**< matched character buffer */
-	int pos; /**< position in match */
-	void *data; /**< opaque pointer */
-	const char * const *vars; /**< list of variable names */
-	int count_vars; /**< count of variable names */
-
-	lws_process_html_state_cb replace; /**< called on match to perform substitution */
-};
-
-/*! lws_chunked_html_process() - generic chunked substitution
- * \param args: buffer to process using chunked encoding
- * \param s: current processing state
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_chunked_html_process(struct lws_process_html_args *args,
-			 struct lws_process_html_state *s);
-//@}
-
-/** \defgroup HTTP-headers-read HTTP headers: read
- * \ingroup http
- *
- * ##HTTP header releated functions
- *
- *  In lws the client http headers are temporarily stored in a pool, only for the
- *  duration of the http part of the handshake.  It's because in most cases,
- *  the header content is ignored for the whole rest of the connection lifetime
- *  and would then just be taking up space needlessly.
- *
- *  During LWS_CALLBACK_HTTP when the URI path is delivered is the last time
- *  the http headers are still allocated, you can use these apis then to
- *  look at and copy out interesting header content (cookies, etc)
- *
- *  Notice that the header total length reported does not include a terminating
- *  '\0', however you must allocate for it when using the _copy apis.  So the
- *  length reported for a header containing "123" is 3, but you must provide
- *  a buffer of length 4 so that "123\0" may be copied into it, or the copy
- *  will fail with a nonzero return code.
- *
- *  In the special case of URL arguments, like ?x=1&y=2, the arguments are
- *  stored in a token named for the method, eg,  WSI_TOKEN_GET_URI if it
- *  was a GET or WSI_TOKEN_POST_URI if POST.  You can check the total
- *  length to confirm the method.
- *
- *  For URL arguments, each argument is stored urldecoded in a "fragment", so
- *  you can use the fragment-aware api lws_hdr_copy_fragment() to access each
- *  argument in turn: the fragments contain urldecoded strings like x=1 or y=2.
- *
- *  As a convenience, lws has an api that will find the fragment with a
- *  given name= part, lws_get_urlarg_by_name().
- */
-///@{
-
-/** struct lws_tokens
- * you need these to look at headers that have been parsed if using the
- * LWS_CALLBACK_FILTER_CONNECTION callback.  If a header from the enum
- * list below is absent, .token = NULL and len = 0.  Otherwise .token
- * points to .len chars containing that header content.
- */
-struct lws_tokens {
-	char *token; /**< pointer to start of the token */
-	int len; /**< length of the token's value */
-};
-
-/* enum lws_token_indexes
- * these have to be kept in sync with lextable.h / minilex.c
- *
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-enum lws_token_indexes {
-	WSI_TOKEN_GET_URI					=  0,
-	WSI_TOKEN_POST_URI					=  1,
-	WSI_TOKEN_OPTIONS_URI					=  2,
-	WSI_TOKEN_HOST						=  3,
-	WSI_TOKEN_CONNECTION					=  4,
-	WSI_TOKEN_UPGRADE					=  5,
-	WSI_TOKEN_ORIGIN					=  6,
-	WSI_TOKEN_DRAFT						=  7,
-	WSI_TOKEN_CHALLENGE					=  8,
-	WSI_TOKEN_EXTENSIONS					=  9,
-	WSI_TOKEN_KEY1						= 10,
-	WSI_TOKEN_KEY2						= 11,
-	WSI_TOKEN_PROTOCOL					= 12,
-	WSI_TOKEN_ACCEPT					= 13,
-	WSI_TOKEN_NONCE						= 14,
-	WSI_TOKEN_HTTP						= 15,
-	WSI_TOKEN_HTTP2_SETTINGS				= 16,
-	WSI_TOKEN_HTTP_ACCEPT					= 17,
-	WSI_TOKEN_HTTP_AC_REQUEST_HEADERS			= 18,
-	WSI_TOKEN_HTTP_IF_MODIFIED_SINCE			= 19,
-	WSI_TOKEN_HTTP_IF_NONE_MATCH				= 20,
-	WSI_TOKEN_HTTP_ACCEPT_ENCODING				= 21,
-	WSI_TOKEN_HTTP_ACCEPT_LANGUAGE				= 22,
-	WSI_TOKEN_HTTP_PRAGMA					= 23,
-	WSI_TOKEN_HTTP_CACHE_CONTROL				= 24,
-	WSI_TOKEN_HTTP_AUTHORIZATION				= 25,
-	WSI_TOKEN_HTTP_COOKIE					= 26,
-	WSI_TOKEN_HTTP_CONTENT_LENGTH				= 27,
-	WSI_TOKEN_HTTP_CONTENT_TYPE				= 28,
-	WSI_TOKEN_HTTP_DATE					= 29,
-	WSI_TOKEN_HTTP_RANGE					= 30,
-	WSI_TOKEN_HTTP_REFERER					= 31,
-	WSI_TOKEN_KEY						= 32,
-	WSI_TOKEN_VERSION					= 33,
-	WSI_TOKEN_SWORIGIN					= 34,
-
-	WSI_TOKEN_HTTP_COLON_AUTHORITY				= 35,
-	WSI_TOKEN_HTTP_COLON_METHOD				= 36,
-	WSI_TOKEN_HTTP_COLON_PATH				= 37,
-	WSI_TOKEN_HTTP_COLON_SCHEME				= 38,
-	WSI_TOKEN_HTTP_COLON_STATUS				= 39,
-
-	WSI_TOKEN_HTTP_ACCEPT_CHARSET				= 40,
-	WSI_TOKEN_HTTP_ACCEPT_RANGES				= 41,
-	WSI_TOKEN_HTTP_ACCESS_CONTROL_ALLOW_ORIGIN		= 42,
-	WSI_TOKEN_HTTP_AGE					= 43,
-	WSI_TOKEN_HTTP_ALLOW					= 44,
-	WSI_TOKEN_HTTP_CONTENT_DISPOSITION			= 45,
-	WSI_TOKEN_HTTP_CONTENT_ENCODING				= 46,
-	WSI_TOKEN_HTTP_CONTENT_LANGUAGE				= 47,
-	WSI_TOKEN_HTTP_CONTENT_LOCATION				= 48,
-	WSI_TOKEN_HTTP_CONTENT_RANGE				= 49,
-	WSI_TOKEN_HTTP_ETAG					= 50,
-	WSI_TOKEN_HTTP_EXPECT					= 51,
-	WSI_TOKEN_HTTP_EXPIRES					= 52,
-	WSI_TOKEN_HTTP_FROM					= 53,
-	WSI_TOKEN_HTTP_IF_MATCH					= 54,
-	WSI_TOKEN_HTTP_IF_RANGE					= 55,
-	WSI_TOKEN_HTTP_IF_UNMODIFIED_SINCE			= 56,
-	WSI_TOKEN_HTTP_LAST_MODIFIED				= 57,
-	WSI_TOKEN_HTTP_LINK					= 58,
-	WSI_TOKEN_HTTP_LOCATION					= 59,
-	WSI_TOKEN_HTTP_MAX_FORWARDS				= 60,
-	WSI_TOKEN_HTTP_PROXY_AUTHENTICATE			= 61,
-	WSI_TOKEN_HTTP_PROXY_AUTHORIZATION			= 62,
-	WSI_TOKEN_HTTP_REFRESH					= 63,
-	WSI_TOKEN_HTTP_RETRY_AFTER				= 64,
-	WSI_TOKEN_HTTP_SERVER					= 65,
-	WSI_TOKEN_HTTP_SET_COOKIE				= 66,
-	WSI_TOKEN_HTTP_STRICT_TRANSPORT_SECURITY		= 67,
-	WSI_TOKEN_HTTP_TRANSFER_ENCODING			= 68,
-	WSI_TOKEN_HTTP_USER_AGENT				= 69,
-	WSI_TOKEN_HTTP_VARY					= 70,
-	WSI_TOKEN_HTTP_VIA					= 71,
-	WSI_TOKEN_HTTP_WWW_AUTHENTICATE				= 72,
-
-	WSI_TOKEN_PATCH_URI					= 73,
-	WSI_TOKEN_PUT_URI					= 74,
-	WSI_TOKEN_DELETE_URI					= 75,
-
-	WSI_TOKEN_HTTP_URI_ARGS					= 76,
-	WSI_TOKEN_PROXY						= 77,
-	WSI_TOKEN_HTTP_X_REAL_IP				= 78,
-	WSI_TOKEN_HTTP1_0					= 79,
-	WSI_TOKEN_X_FORWARDED_FOR				= 80,
-	WSI_TOKEN_CONNECT					= 81,
-	WSI_TOKEN_HEAD_URI					= 82,
-	WSI_TOKEN_TE						= 83,
-	WSI_TOKEN_REPLAY_NONCE					= 84,
-	WSI_TOKEN_COLON_PROTOCOL				= 85,
-	WSI_TOKEN_X_AUTH_TOKEN					= 86,
-
-	/****** add new things just above ---^ ******/
-
-	/* use token storage to stash these internally, not for
-	 * user use */
-
-	_WSI_TOKEN_CLIENT_SENT_PROTOCOLS,
-	_WSI_TOKEN_CLIENT_PEER_ADDRESS,
-	_WSI_TOKEN_CLIENT_URI,
-	_WSI_TOKEN_CLIENT_HOST,
-	_WSI_TOKEN_CLIENT_ORIGIN,
-	_WSI_TOKEN_CLIENT_METHOD,
-	_WSI_TOKEN_CLIENT_IFACE,
-	_WSI_TOKEN_CLIENT_ALPN,
-
-	/* always last real token index*/
-	WSI_TOKEN_COUNT,
-
-	/* parser state additions, no storage associated */
-	WSI_TOKEN_NAME_PART,
-	WSI_TOKEN_SKIPPING,
-	WSI_TOKEN_SKIPPING_SAW_CR,
-	WSI_PARSING_COMPLETE,
-	WSI_INIT_TOKEN_MUXURL,
-};
-
-struct lws_token_limits {
-	unsigned short token_limit[WSI_TOKEN_COUNT]; /**< max chars for this token */
-};
-
-/**
- * lws_token_to_string() - returns a textual representation of a hdr token index
- *
- * \param token: token index
- */
-LWS_VISIBLE LWS_EXTERN const unsigned char *
-lws_token_to_string(enum lws_token_indexes token);
-
-/**
- * lws_hdr_total_length: report length of all fragments of a header totalled up
- *		The returned length does not include the space for a
- *		terminating '\0'
- *
- * \param wsi: websocket connection
- * \param h: which header index we are interested in
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_hdr_total_length(struct lws *wsi, enum lws_token_indexes h);
-
-/**
- * lws_hdr_fragment_length: report length of a single fragment of a header
- *		The returned length does not include the space for a
- *		terminating '\0'
- *
- * \param wsi: websocket connection
- * \param h: which header index we are interested in
- * \param frag_idx: which fragment of h we want to get the length of
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_hdr_fragment_length(struct lws *wsi, enum lws_token_indexes h, int frag_idx);
-
-/**
- * lws_hdr_copy() - copy a single fragment of the given header to a buffer
- *		The buffer length len must include space for an additional
- *		terminating '\0', or it will fail returning -1.
- *
- * \param wsi: websocket connection
- * \param dest: destination buffer
- * \param len: length of destination buffer
- * \param h: which header index we are interested in
- *
- * copies the whole, aggregated header, even if it was delivered in
- * several actual headers piece by piece
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_hdr_copy(struct lws *wsi, char *dest, int len, enum lws_token_indexes h);
-
-/**
- * lws_hdr_copy_fragment() - copy a single fragment of the given header to a buffer
- *		The buffer length len must include space for an additional
- *		terminating '\0', or it will fail returning -1.
- *		If the requested fragment index is not present, it fails
- *		returning -1.
- *
- * \param wsi: websocket connection
- * \param dest: destination buffer
- * \param len: length of destination buffer
- * \param h: which header index we are interested in
- * \param frag_idx: which fragment of h we want to copy
- *
- * Normally this is only useful
- * to parse URI arguments like ?x=1&y=2, token index WSI_TOKEN_HTTP_URI_ARGS
- * fragment 0 will contain "x=1" and fragment 1 "y=2"
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_hdr_copy_fragment(struct lws *wsi, char *dest, int len,
-		      enum lws_token_indexes h, int frag_idx);
-
-/**
- * lws_get_urlarg_by_name() - return pointer to arg value if present
- * \param wsi: the connection to check
- * \param name: the arg name, like "token="
- * \param buf: the buffer to receive the urlarg (including the name= part)
- * \param len: the length of the buffer to receive the urlarg
- *
- *     Returns NULL if not found or a pointer inside buf to just after the
- *     name= part.
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_get_urlarg_by_name(struct lws *wsi, const char *name, char *buf, int len);
-///@}
-
-/*! \defgroup HTTP-headers-create HTTP headers: create
- *
- * ## HTTP headers: Create
- *
- * These apis allow you to create HTTP response headers in a way compatible with
- * both HTTP/1.x and HTTP/2.
- *
- * They each append to a buffer taking care about the buffer end, which is
- * passed in as a pointer.  When data is written to the buffer, the current
- * position p is updated accordingly.
- *
- * All of these apis are LWS_WARN_UNUSED_RESULT as they can run out of space
- * and fail with nonzero return.
- */
-///@{
-
-#define LWSAHH_CODE_MASK			((1 << 16) - 1)
-#define LWSAHH_FLAG_NO_SERVER_NAME		(1 << 30)
-
-/**
- * lws_add_http_header_status() - add the HTTP response status code
- *
- * \param wsi: the connection to check
- * \param code: an HTTP code like 200, 404 etc (see enum http_status)
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Adds the initial response code, so should be called first.
- *
- * Code may additionally take OR'd flags:
- *
- *    LWSAHH_FLAG_NO_SERVER_NAME:  don't apply server name header this time
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_add_http_header_status(struct lws *wsi,
-			   unsigned int code, unsigned char **p,
-			   unsigned char *end);
-/**
- * lws_add_http_header_by_name() - append named header and value
- *
- * \param wsi: the connection to check
- * \param name: the hdr name, like "my-header"
- * \param value: the value after the = for this header
- * \param length: the length of the value
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Appends name: value to the headers
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_add_http_header_by_name(struct lws *wsi, const unsigned char *name,
-			    const unsigned char *value, int length,
-			    unsigned char **p, unsigned char *end);
-/**
- * lws_add_http_header_by_token() - append given header and value
- *
- * \param wsi: the connection to check
- * \param token: the token index for the hdr
- * \param value: the value after the = for this header
- * \param length: the length of the value
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Appends name=value to the headers, but is able to take advantage of better
- * HTTP/2 coding mechanisms where possible.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_add_http_header_by_token(struct lws *wsi, enum lws_token_indexes token,
-			     const unsigned char *value, int length,
-			     unsigned char **p, unsigned char *end);
-/**
- * lws_add_http_header_content_length() - append content-length helper
- *
- * \param wsi: the connection to check
- * \param content_length: the content length to use
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Appends content-length: content_length to the headers
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_add_http_header_content_length(struct lws *wsi,
-				   lws_filepos_t content_length,
-				   unsigned char **p, unsigned char *end);
-/**
- * lws_finalize_http_header() - terminate header block
- *
- * \param wsi: the connection to check
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Indicates no more headers will be added
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_finalize_http_header(struct lws *wsi, unsigned char **p,
-			 unsigned char *end);
-
-/**
- * lws_finalize_write_http_header() - Helper finializing and writing http headers
- *
- * \param wsi: the connection to check
- * \param start: pointer to the start of headers in the buffer, eg &buf[LWS_PRE]
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Terminates the headers correctly accoring to the protocol in use (h1 / h2)
- * and writes the headers.  Returns nonzero for error.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_finalize_write_http_header(struct lws *wsi, unsigned char *start,
-			       unsigned char **p, unsigned char *end);
-
-#define LWS_ILLEGAL_HTTP_CONTENT_LEN ((lws_filepos_t)-1ll)
-
-/**
- * lws_add_http_common_headers() - Helper preparing common http headers
- *
- * \param wsi: the connection to check
- * \param code: an HTTP code like 200, 404 etc (see enum http_status)
- * \param content_type: the content type, like "text/html"
- * \param content_len: the content length, in bytes
- * \param p: pointer to current position in buffer pointer
- * \param end: pointer to end of buffer
- *
- * Adds the initial response code, so should be called first.
- *
- * Code may additionally take OR'd flags:
- *
- *    LWSAHH_FLAG_NO_SERVER_NAME:  don't apply server name header this time
- *
- * This helper just calls public apis to simplify adding headers that are
- * commonly needed.  If it doesn't fit your case, or you want to add additional
- * headers just call the public apis directly yourself for what you want.
- *
- * You can miss out the content length header by providing the constant
- * LWS_ILLEGAL_HTTP_CONTENT_LEN for the content_len.
- *
- * It does not call lws_finalize_http_header(), to allow you to add further
- * headers after calling this.  You will need to call that yourself at the end.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_add_http_common_headers(struct lws *wsi, unsigned int code,
-			    const char *content_type, lws_filepos_t content_len,
-			    unsigned char **p, unsigned char *end);
-///@}
-
-/** \defgroup form-parsing  Form Parsing
- * \ingroup http
- * ##POSTed form parsing functions
- *
- * These lws_spa (stateful post arguments) apis let you parse and urldecode
- * POSTed form arguments, both using simple urlencoded and multipart transfer
- * encoding.
- *
- * It's capable of handling file uploads as well a named input parsing,
- * and the apis are the same for both form upload styles.
- *
- * You feed it a list of parameter names and it creates pointers to the
- * urldecoded arguments: file upload parameters pass the file data in chunks to
- * a user-supplied callback as they come.
- *
- * Since it's stateful, it handles the incoming data needing more than one
- * POST_BODY callback and has no limit on uploaded file size.
- */
-///@{
-
-/** enum lws_spa_fileupload_states */
-enum lws_spa_fileupload_states {
-	LWS_UFS_CONTENT,
-	/**< a chunk of file content has arrived */
-	LWS_UFS_FINAL_CONTENT,
-	/**< the last chunk (possibly zero length) of file content has arrived */
-	LWS_UFS_OPEN
-	/**< a new file is starting to arrive */
-};
-
-/**
- * lws_spa_fileupload_cb() - callback to receive file upload data
- *
- * \param data: opt_data pointer set in lws_spa_create
- * \param name: name of the form field being uploaded
- * \param filename: original filename from client
- * \param buf: start of data to receive
- * \param len: length of data to receive
- * \param state: information about how this call relates to file
- *
- * Notice name and filename shouldn't be trusted, as they are passed from
- * HTTP provided by the client.
- */
-typedef int (*lws_spa_fileupload_cb)(void *data, const char *name,
-			const char *filename, char *buf, int len,
-			enum lws_spa_fileupload_states state);
-
-/** struct lws_spa - opaque urldecode parser capable of handling multipart
- *			and file uploads */
-struct lws_spa;
-
-/**
- * lws_spa_create() - create urldecode parser
- *
- * \param wsi: lws connection (used to find Content Type)
- * \param param_names: array of form parameter names, like "username"
- * \param count_params: count of param_names
- * \param max_storage: total amount of form parameter values we can store
- * \param opt_cb: NULL, or callback to receive file upload data.
- * \param opt_data: NULL, or user pointer provided to opt_cb.
- *
- * Creates a urldecode parser and initializes it.
- *
- * opt_cb can be NULL if you just want normal name=value parsing, however
- * if one or more entries in your form are bulk data (file transfer), you
- * can provide this callback and filter on the name callback parameter to
- * treat that urldecoded data separately.  The callback should return -1
- * in case of fatal error, and 0 if OK.
- */
-LWS_VISIBLE LWS_EXTERN struct lws_spa *
-lws_spa_create(struct lws *wsi, const char * const *param_names,
-	       int count_params, int max_storage, lws_spa_fileupload_cb opt_cb,
-	       void *opt_data);
-
-/**
- * lws_spa_process() - parses a chunk of input data
- *
- * \param spa: the parser object previously created
- * \param in: incoming, urlencoded data
- * \param len: count of bytes valid at \param in
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_spa_process(struct lws_spa *spa, const char *in, int len);
-
-/**
- * lws_spa_finalize() - indicate incoming data completed
- *
- * \param spa: the parser object previously created
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_spa_finalize(struct lws_spa *spa);
-
-/**
- * lws_spa_get_length() - return length of parameter value
- *
- * \param spa: the parser object previously created
- * \param n: parameter ordinal to return length of value for
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_spa_get_length(struct lws_spa *spa, int n);
-
-/**
- * lws_spa_get_string() - return pointer to parameter value
- * \param spa: the parser object previously created
- * \param n: parameter ordinal to return pointer to value for
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_spa_get_string(struct lws_spa *spa, int n);
-
-/**
- * lws_spa_destroy() - destroy parser object
- *
- * \param spa: the parser object previously created
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_spa_destroy(struct lws_spa *spa);
-///@}
-
-/*! \defgroup urlendec Urlencode and Urldecode
- * \ingroup http
- *
- * ##HTML chunked Substitution
- *
- * APIs for receiving chunks of text, replacing a set of variable names via
- * a callback, and then prepending and appending HTML chunked encoding
- * headers.
- */
-//@{
-
-/**
- * lws_urlencode() - like strncpy but with urlencoding
- *
- * \param escaped: output buffer
- * \param string: input buffer ('/0' terminated)
- * \param len: output buffer max length
- *
- * Because urlencoding expands the output string, it's not
- * possible to do it in-place, ie, with escaped == string
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_urlencode(char *escaped, const char *string, int len);
-
-/*
- * URLDECODE 1 / 2
- *
- * This simple urldecode only operates until the first '\0' and requires the
- * data to exist all at once
- */
-/**
- * lws_urldecode() - like strncpy but with urldecoding
- *
- * \param string: output buffer
- * \param escaped: input buffer ('\0' terminated)
- * \param len: output buffer max length
- *
- * This is only useful for '\0' terminated strings
- *
- * Since urldecoding only shrinks the output string, it is possible to
- * do it in-place, ie, string == escaped
- *
- * Returns 0 if completed OK or nonzero for urldecode violation (non-hex chars
- * where hex required, etc)
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_urldecode(char *string, const char *escaped, int len);
-///@}
-/**
- * lws_return_http_status() - Return simple http status
- * \param wsi:		Websocket instance (available from user callback)
- * \param code:		Status index, eg, 404
- * \param html_body:		User-readable HTML description < 1KB, or NULL
- *
- *	Helper to report HTTP errors back to the client cleanly and
- *	consistently
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_return_http_status(struct lws *wsi, unsigned int code,
-		       const char *html_body);
-
-/**
- * lws_http_redirect() - write http redirect out on wsi
- *
- * \param wsi:	websocket connection
- * \param code:	HTTP response code (eg, 301)
- * \param loc:	where to redirect to
- * \param len:	length of loc
- * \param p:	pointer current position in buffer (updated as we write)
- * \param end:	pointer to end of buffer
- *
- * Returns amount written, or < 0 indicating fatal write failure.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_http_redirect(struct lws *wsi, int code, const unsigned char *loc, int len,
-		  unsigned char **p, unsigned char *end);
-
-/**
- * lws_http_transaction_completed() - wait for new http transaction or close
- * \param wsi:	websocket connection
- *
- *	Returns 1 if the HTTP connection must close now
- *	Returns 0 and resets connection to wait for new HTTP header /
- *	  transaction if possible
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_http_transaction_completed(struct lws *wsi);
-///@}
-
-/*! \defgroup pur Sanitize / purify SQL and JSON helpers
- *
- * ##Sanitize / purify SQL and JSON helpers
- *
- * APIs for escaping untrusted JSON and SQL safely before use
- */
-//@{
-
-/**
- * lws_sql_purify() - like strncpy but with escaping for sql quotes
- *
- * \param escaped: output buffer
- * \param string: input buffer ('/0' terminated)
- * \param len: output buffer max length
- *
- * Because escaping expands the output string, it's not
- * possible to do it in-place, ie, with escaped == string
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_sql_purify(char *escaped, const char *string, int len);
-
-/**
- * lws_json_purify() - like strncpy but with escaping for json chars
- *
- * \param escaped: output buffer
- * \param string: input buffer ('/0' terminated)
- * \param len: output buffer max length
- *
- * Because escaping expands the output string, it's not
- * possible to do it in-place, ie, with escaped == string
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_json_purify(char *escaped, const char *string, int len);
-
-/**
- * lws_filename_purify_inplace() - replace scary filename chars with underscore
- *
- * \param filename: filename to be purified
- *
- * Replace scary characters in the filename (it should not be a path)
- * with underscore, so it's safe to use.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_filename_purify_inplace(char *filename);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
-			int len);
-LWS_VISIBLE LWS_EXTERN int
-lws_plat_write_file(const char *filename, void *buf, int len);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_plat_read_file(const char *filename, void *buf, int len);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_plat_recommended_rsa_bits(void);
-///@}
-
-/*! \defgroup uv libuv helpers
- *
- * ##libuv helpers
- *
- * APIs specific to libuv event loop itegration
- */
-///@{
-#ifdef LWS_WITH_LIBUV
-/*
- * Any direct libuv allocations in lws protocol handlers must participate in the
- * lws reference counting scheme.  Two apis are provided:
- *
- * - lws_libuv_static_refcount_add(handle, context) to mark the handle with
- *  a pointer to the context and increment the global uv object counter
- *
- * - lws_libuv_static_refcount_del() which should be used as the close callback
- *   for your own libuv objects declared in the protocol scope.
- *
- * Using the apis allows lws to detach itself from a libuv loop completely
- * cleanly and at the moment all of its libuv objects have completed close.
- */
-
-LWS_VISIBLE LWS_EXTERN uv_loop_t *
-lws_uv_getloop(struct lws_context *context, int tsi);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_libuv_static_refcount_add(uv_handle_t *, struct lws_context *context);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_libuv_static_refcount_del(uv_handle_t *);
-
-#endif /* LWS_WITH_LIBUV */
-
-#if defined(LWS_WITH_ESP32)
-#define lws_libuv_static_refcount_add(_a, _b)
-#define lws_libuv_static_refcount_del NULL
-#endif
-///@}
-
-
-/*! \defgroup timeout Connection timeouts
-
-    APIs related to setting connection timeouts
-*/
-//@{
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-enum pending_timeout {
-	NO_PENDING_TIMEOUT					=  0,
-	PENDING_TIMEOUT_AWAITING_PROXY_RESPONSE			=  1,
-	PENDING_TIMEOUT_AWAITING_CONNECT_RESPONSE		=  2,
-	PENDING_TIMEOUT_ESTABLISH_WITH_SERVER			=  3,
-	PENDING_TIMEOUT_AWAITING_SERVER_RESPONSE		=  4,
-	PENDING_TIMEOUT_AWAITING_PING				=  5,
-	PENDING_TIMEOUT_CLOSE_ACK				=  6,
-	PENDING_TIMEOUT_UNUSED1					=  7,
-	PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE			=  8,
-	PENDING_TIMEOUT_SSL_ACCEPT				=  9,
-	PENDING_TIMEOUT_HTTP_CONTENT				= 10,
-	PENDING_TIMEOUT_AWAITING_CLIENT_HS_SEND			= 11,
-	PENDING_FLUSH_STORED_SEND_BEFORE_CLOSE			= 12,
-	PENDING_TIMEOUT_SHUTDOWN_FLUSH				= 13,
-	PENDING_TIMEOUT_CGI					= 14,
-	PENDING_TIMEOUT_HTTP_KEEPALIVE_IDLE			= 15,
-	PENDING_TIMEOUT_WS_PONG_CHECK_SEND_PING			= 16,
-	PENDING_TIMEOUT_WS_PONG_CHECK_GET_PONG			= 17,
-	PENDING_TIMEOUT_CLIENT_ISSUE_PAYLOAD			= 18,
-	PENDING_TIMEOUT_AWAITING_SOCKS_GREETING_REPLY	        = 19,
-	PENDING_TIMEOUT_AWAITING_SOCKS_CONNECT_REPLY		= 20,
-	PENDING_TIMEOUT_AWAITING_SOCKS_AUTH_REPLY		= 21,
-	PENDING_TIMEOUT_KILLED_BY_SSL_INFO			= 22,
-	PENDING_TIMEOUT_KILLED_BY_PARENT			= 23,
-	PENDING_TIMEOUT_CLOSE_SEND				= 24,
-	PENDING_TIMEOUT_HOLDING_AH				= 25,
-	PENDING_TIMEOUT_UDP_IDLE				= 26,
-	PENDING_TIMEOUT_CLIENT_CONN_IDLE			= 27,
-	PENDING_TIMEOUT_LAGGING					= 28,
-
-	/****** add new things just above ---^ ******/
-
-	PENDING_TIMEOUT_USER_REASON_BASE			= 1000
-};
-
-#define LWS_TO_KILL_ASYNC -1
-/**< If LWS_TO_KILL_ASYNC is given as the timeout sec in a lws_set_timeout()
- * call, then the connection is marked to be killed at the next timeout
- * check.  This is how you should force-close the wsi being serviced if
- * you are doing it outside the callback (where you should close by nonzero
- * return).
- */
-#define LWS_TO_KILL_SYNC -2
-/**< If LWS_TO_KILL_SYNC is given as the timeout sec in a lws_set_timeout()
- * call, then the connection is closed before returning (which may delete
- * the wsi).  This should only be used where the wsi being closed is not the
- * wsi currently being serviced.
- */
-/**
- * lws_set_timeout() - marks the wsi as subject to a timeout
- *
- * You will not need this unless you are doing something special
- *
- * \param wsi:	Websocket connection instance
- * \param reason:	timeout reason
- * \param secs:	how many seconds.  You may set to LWS_TO_KILL_ASYNC to
- *		force the connection to timeout at the next opportunity, or
- *		LWS_TO_KILL_SYNC to close it synchronously if you know the
- *		wsi is not the one currently being serviced.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs);
-
-#define LWS_SET_TIMER_USEC_CANCEL ((lws_usec_t)-1ll)
-#define LWS_USEC_PER_SEC (1000000ll)
-
-/**
- * lws_set_timer_usecs() - schedules a callback on the wsi in the future
- *
- * \param wsi:	Websocket connection instance
- * \param usecs:  LWS_SET_TIMER_USEC_CANCEL removes any existing scheduled
- *		  callback, otherwise number of microseconds in the future
- *		  the callback will occur at.
- *
- * NOTE: event loop support for this:
- *
- *  default poll() loop:   yes
- *  libuv event loop:      yes
- *  libev:    not implemented (patch welcome)
- *  libevent: not implemented (patch welcome)
- *
- * After the deadline expires, the wsi will get a callback of type
- * LWS_CALLBACK_TIMER and the timer is exhausted.  The deadline may be
- * continuously deferred by further calls to lws_set_timer_usecs() with a later
- * deadline, or cancelled by lws_set_timer_usecs(wsi, -1).
- *
- * If the timer should repeat, lws_set_timer_usecs() must be called again from
- * LWS_CALLBACK_TIMER.
- *
- * Accuracy depends on the platform and the load on the event loop or system...
- * all that's guaranteed is the callback will come after the requested wait
- * period.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs);
-
-/*
- * lws_timed_callback_vh_protocol() - calls back a protocol on a vhost after
- * 					the specified delay
- *
- * \param vh:	 the vhost to call back
- * \param protocol: the protocol to call back
- * \param reason: callback reason
- * \param secs:	how many seconds in the future to do the callback.  Set to
- *		-1 to cancel the timer callback.
- *
- * Callback the specified protocol with a fake wsi pointing to the specified
- * vhost and protocol, with the specified reason, at the specified time in the
- * future.
- *
- * Returns 0 if OK.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_timed_callback_vh_protocol(struct lws_vhost *vh,
-			       const struct lws_protocols *prot,
-			       int reason, int secs);
-///@}
-
-/*! \defgroup sending-data Sending data
-
-    APIs related to writing data on a connection
-*/
-//@{
-#if !defined(LWS_SIZEOFPTR)
-#define LWS_SIZEOFPTR ((int)sizeof (void *))
-#endif
-
-#if defined(__x86_64__)
-#define _LWS_PAD_SIZE 16	/* Intel recommended for best performance */
-#else
-#define _LWS_PAD_SIZE LWS_SIZEOFPTR   /* Size of a pointer on the target arch */
-#endif
-#define _LWS_PAD(n) (((n) % _LWS_PAD_SIZE) ? \
-		((n) + (_LWS_PAD_SIZE - ((n) % _LWS_PAD_SIZE))) : (n))
-/* last 2 is for lws-meta */
-#define LWS_PRE _LWS_PAD(4 + 10 + 2)
-/* used prior to 1.7 and retained for backward compatibility */
-#define LWS_SEND_BUFFER_PRE_PADDING LWS_PRE
-#define LWS_SEND_BUFFER_POST_PADDING 0
-
-#define LWS_WRITE_RAW LWS_WRITE_HTTP
-
-/*
- * NOTE: These public enums are part of the abi.  If you want to add one,
- * add it at where specified so existing users are unaffected.
- */
-enum lws_write_protocol {
-	LWS_WRITE_TEXT						= 0,
-	/**< Send a ws TEXT message,the pointer must have LWS_PRE valid
-	 * memory behind it.  The receiver expects only valid utf-8 in the
-	 * payload */
-	LWS_WRITE_BINARY					= 1,
-	/**< Send a ws BINARY message, the pointer must have LWS_PRE valid
-	 * memory behind it.  Any sequence of bytes is valid */
-	LWS_WRITE_CONTINUATION					= 2,
-	/**< Continue a previous ws message, the pointer must have LWS_PRE valid
-	 * memory behind it */
-	LWS_WRITE_HTTP						= 3,
-	/**< Send HTTP content */
-
-	/* LWS_WRITE_CLOSE is handled by lws_close_reason() */
-	LWS_WRITE_PING						= 5,
-	LWS_WRITE_PONG						= 6,
-
-	/* Same as write_http but we know this write ends the transaction */
-	LWS_WRITE_HTTP_FINAL					= 7,
-
-	/* HTTP2 */
-
-	LWS_WRITE_HTTP_HEADERS					= 8,
-	/**< Send http headers (http2 encodes this payload and LWS_WRITE_HTTP
-	 * payload differently, http 1.x links also handle this correctly. so
-	 * to be compatible with both in the future,header response part should
-	 * be sent using this regardless of http version expected)
-	 */
-	LWS_WRITE_HTTP_HEADERS_CONTINUATION			= 9,
-	/**< Continuation of http/2 headers
-	 */
-
-	/****** add new things just above ---^ ******/
-
-	/* flags */
-
-	LWS_WRITE_NO_FIN = 0x40,
-	/**< This part of the message is not the end of the message */
-
-	LWS_WRITE_H2_STREAM_END = 0x80,
-	/**< Flag indicates this packet should go out with STREAM_END if h2
-	 * STREAM_END is allowed on DATA or HEADERS.
-	 */
-
-	LWS_WRITE_CLIENT_IGNORE_XOR_MASK = 0x80
-	/**< client packet payload goes out on wire unmunged
-	 * only useful for security tests since normal servers cannot
-	 * decode the content if used */
-};
-
-/* used with LWS_CALLBACK_CHILD_WRITE_VIA_PARENT */
-
-struct lws_write_passthru {
-	struct lws *wsi;
-	unsigned char *buf;
-	size_t len;
-	enum lws_write_protocol wp;
-};
-
-
-/**
- * lws_write() - Apply protocol then write data to client
- * \param wsi:	Websocket instance (available from user callback)
- * \param buf:	The data to send.  For data being sent on a websocket
- *		connection (ie, not default http), this buffer MUST have
- *		LWS_PRE bytes valid BEFORE the pointer.
- *		This is so the protocol header data can be added in-situ.
- * \param len:	Count of the data bytes in the payload starting from buf
- * \param protocol:	Use LWS_WRITE_HTTP to reply to an http connection, and one
- *		of LWS_WRITE_BINARY or LWS_WRITE_TEXT to send appropriate
- *		data on a websockets connection.  Remember to allow the extra
- *		bytes before and after buf if LWS_WRITE_BINARY or LWS_WRITE_TEXT
- *		are used.
- *
- *	This function provides the way to issue data back to the client
- *	for both http and websocket protocols.
- *
- * IMPORTANT NOTICE!
- *
- * When sending with websocket protocol
- *
- * LWS_WRITE_TEXT,
- * LWS_WRITE_BINARY,
- * LWS_WRITE_CONTINUATION,
- * LWS_WRITE_PING,
- * LWS_WRITE_PONG
- *
- * the send buffer has to have LWS_PRE bytes valid BEFORE
- * the buffer pointer you pass to lws_write().
- *
- * This allows us to add protocol info before and after the data, and send as
- * one packet on the network without payload copying, for maximum efficiency.
- *
- * So for example you need this kind of code to use lws_write with a
- * 128-byte payload
- *
- *   char buf[LWS_PRE + 128];
- *
- *   // fill your part of the buffer... for example here it's all zeros
- *   memset(&buf[LWS_PRE], 0, 128);
- *
- *   lws_write(wsi, &buf[LWS_PRE], 128, LWS_WRITE_TEXT);
- *
- * When sending HTTP, with
- *
- * LWS_WRITE_HTTP,
- * LWS_WRITE_HTTP_HEADERS
- * LWS_WRITE_HTTP_FINAL
- *
- * there is no protocol data prepended, and don't need to take care about the
- * LWS_PRE bytes valid before the buffer pointer.
- *
- * LWS_PRE is at least the frame nonce + 2 header + 8 length
- * LWS_SEND_BUFFER_POST_PADDING is deprecated, it's now 0 and can be left off.
- * The example apps no longer use it.
- *
- * Pad LWS_PRE to the CPU word size, so that word references
- * to the address immediately after the padding won't cause an unaligned access
- * error. Sometimes for performance reasons the recommended padding is even
- * larger than sizeof(void *).
- *
- *	In the case of sending using websocket protocol, be sure to allocate
- *	valid storage before and after buf as explained above.  This scheme
- *	allows maximum efficiency of sending data and protocol in a single
- *	packet while not burdening the user code with any protocol knowledge.
- *
- *	Return may be -1 for a fatal error needing connection close, or the
- *	number of bytes sent.
- *
- * Truncated Writes
- * ================
- *
- * The OS may not accept everything you asked to write on the connection.
- *
- * Posix defines POLLOUT indication from poll() to show that the connection
- * will accept more write data, but it doesn't specifiy how much.  It may just
- * accept one byte of whatever you wanted to send.
- *
- * LWS will buffer the remainder automatically, and send it out autonomously.
- *
- * During that time, WRITABLE callbacks will be suppressed.
- *
- * This is to handle corner cases where unexpectedly the OS refuses what we
- * usually expect it to accept.  You should try to send in chunks that are
- * almost always accepted in order to avoid the inefficiency of the buffering.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_write(struct lws *wsi, unsigned char *buf, size_t len,
-	  enum lws_write_protocol protocol);
-
-/* helper for case where buffer may be const */
-#define lws_write_http(wsi, buf, len) \
-	lws_write(wsi, (unsigned char *)(buf), len, LWS_WRITE_HTTP)
-
-/* helper for multi-frame ws message flags */
-static LWS_INLINE int
-lws_write_ws_flags(int initial, int is_start, int is_end)
-{
-	int r;
-
-	if (is_start)
-		r = initial;
-	else
-		r = LWS_WRITE_CONTINUATION;
-
-	if (!is_end)
-		r |= LWS_WRITE_NO_FIN;
-
-	return r;
-}
-///@}
-
-/** \defgroup callback-when-writeable Callback when writeable
- *
- * ##Callback When Writeable
- *
- * lws can only write data on a connection when it is able to accept more
- * data without blocking.
- *
- * So a basic requirement is we should only use the lws_write() apis when the
- * connection we want to write on says that he can accept more data.
- *
- * When lws cannot complete your send at the time, it will buffer the data
- * and send it in the background, suppressing any further WRITEABLE callbacks
- * on that connection until it completes.  So it is important to write new
- * things in a new writeable callback.
- *
- * These apis reflect the various ways we can indicate we would like to be
- * called back when one or more connections is writeable.
- */
-///@{
-
-/**
- * lws_callback_on_writable() - Request a callback when this socket
- *					 becomes able to be written to without
- *					 blocking
- *
- * \param wsi:	Websocket connection instance to get callback for
- *
- * - Which:  only this wsi
- * - When:   when the individual connection becomes writeable
- * - What: LWS_CALLBACK_*_WRITEABLE
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_on_writable(struct lws *wsi);
-
-/**
- * lws_callback_on_writable_all_protocol() - Request a callback for all
- *			connections using the given protocol when it
- *			becomes possible to write to each socket without
- *			blocking in turn.
- *
- * \param context:	lws_context
- * \param protocol:	Protocol whose connections will get callbacks
- *
- * - Which:  connections using this protocol on ANY VHOST
- * - When:   when the individual connection becomes writeable
- * - What: LWS_CALLBACK_*_WRITEABLE
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_on_writable_all_protocol(const struct lws_context *context,
-				      const struct lws_protocols *protocol);
-
-/**
- * lws_callback_on_writable_all_protocol_vhost() - Request a callback for
- *			all connections on same vhost using the given protocol
- *			when it becomes possible to write to each socket without
- *			blocking in turn.
- *
- * \param vhost:	Only consider connections on this lws_vhost
- * \param protocol:	Protocol whose connections will get callbacks
- *
- * - Which:  connections using this protocol on GIVEN VHOST ONLY
- * - When:   when the individual connection becomes writeable
- * - What: LWS_CALLBACK_*_WRITEABLE
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_on_writable_all_protocol_vhost(const struct lws_vhost *vhost,
-				      const struct lws_protocols *protocol);
-
-/**
- * lws_callback_all_protocol() - Callback all connections using
- *				the given protocol with the given reason
- *
- * \param context:	lws_context
- * \param protocol:	Protocol whose connections will get callbacks
- * \param reason:	Callback reason index
- *
- * - Which:  connections using this protocol on ALL VHOSTS
- * - When:   before returning
- * - What:   reason
- *
- * This isn't normally what you want... normally any update of connection-
- * specific information can wait until a network-related callback like rx,
- * writable, or close.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_all_protocol(struct lws_context *context,
-			  const struct lws_protocols *protocol, int reason);
-
-/**
- * lws_callback_all_protocol_vhost() - Callback all connections using
- *			the given protocol with the given reason.  This is
- *			deprecated since v2.4: use lws_callback_all_protocol_vhost_args
- *
- * \param vh:		Vhost whose connections will get callbacks
- * \param protocol:	Which protocol to match.  NULL means all.
- * \param reason:	Callback reason index
- *
- * - Which:  connections using this protocol on GIVEN VHOST ONLY
- * - When:   now
- * - What:   reason
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_all_protocol_vhost(struct lws_vhost *vh,
-			  const struct lws_protocols *protocol, int reason)
-LWS_WARN_DEPRECATED;
-
-/**
- * lws_callback_all_protocol_vhost_args() - Callback all connections using
- *			the given protocol with the given reason and args
- *
- * \param vh:		Vhost whose connections will get callbacks
- * \param protocol:	Which protocol to match.  NULL means all.
- * \param reason:	Callback reason index
- * \param argp:		Callback "in" parameter
- * \param len:		Callback "len" parameter
- *
- * - Which:  connections using this protocol on GIVEN VHOST ONLY
- * - When:   now
- * - What:   reason
- */
-LWS_VISIBLE int
-lws_callback_all_protocol_vhost_args(struct lws_vhost *vh,
-			  const struct lws_protocols *protocol, int reason,
-			  void *argp, size_t len);
-
-/**
- * lws_callback_vhost_protocols() - Callback all protocols enabled on a vhost
- *					with the given reason
- *
- * \param wsi:	wsi whose vhost will get callbacks
- * \param reason:	Callback reason index
- * \param in:		in argument to callback
- * \param len:	len argument to callback
- *
- * - Which:  connections using this protocol on same VHOST as wsi ONLY
- * - When:   now
- * - What:   reason
- *
- * This is deprecated since v2.5, use lws_callback_vhost_protocols_vhost()
- * which takes the pointer to the vhost directly without using or needing the
- * wsi.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_vhost_protocols(struct lws *wsi, int reason, void *in, int len)
-LWS_WARN_DEPRECATED;
-
-/**
- * lws_callback_vhost_protocols_vhost() - Callback all protocols enabled on a vhost
- *					with the given reason
- *
- * \param vh:		vhost that will get callbacks
- * \param reason:	Callback reason index
- * \param in:		in argument to callback
- * \param len:		len argument to callback
- *
- * - Which:  connections using this protocol on same VHOST as wsi ONLY
- * - When:   now
- * - What:   reason
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_vhost_protocols_vhost(struct lws_vhost *vh, int reason, void *in,
-				   size_t len);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_callback_http_dummy(struct lws *wsi, enum lws_callback_reasons reason,
-		    void *user, void *in, size_t len);
-
-/**
- * lws_get_socket_fd() - returns the socket file descriptor
- *
- * This is needed to use sendto() on UDP raw sockets
- *
- * \param wsi:	Websocket connection instance
- */
-LWS_VISIBLE LWS_EXTERN lws_sockfd_type
-lws_get_socket_fd(struct lws *wsi);
-
-/**
- * lws_get_peer_write_allowance() - get the amount of data writeable to peer
- * 					if known
- *
- * \param wsi:	Websocket connection instance
- *
- * if the protocol does not have any guidance, returns -1.  Currently only
- * http2 connections get send window information from this API.  But your code
- * should use it so it can work properly with any protocol.
- *
- * If nonzero return is the amount of payload data the peer or intermediary has
- * reported it has buffer space for.  That has NO relationship with the amount
- * of buffer space your OS can accept on this connection for a write action.
- *
- * This number represents the maximum you could send to the peer or intermediary
- * on this connection right now without the protocol complaining.
- *
- * lws manages accounting for send window updates and payload writes
- * automatically, so this number reflects the situation at the peer or
- * intermediary dynamically.
- */
-LWS_VISIBLE LWS_EXTERN lws_fileofs_t
-lws_get_peer_write_allowance(struct lws *wsi);
-///@}
-
-enum {
-	/*
-	 * Flags for enable and disable rxflow with reason bitmap and with
-	 * backwards-compatible single bool
-	 */
-	LWS_RXFLOW_REASON_USER_BOOL		= (1 << 0),
-	LWS_RXFLOW_REASON_HTTP_RXBUFFER		= (1 << 6),
-	LWS_RXFLOW_REASON_H2_PPS_PENDING	= (1 << 7),
-
-	LWS_RXFLOW_REASON_APPLIES		= (1 << 14),
-	LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT	= (1 << 13),
-	LWS_RXFLOW_REASON_APPLIES_ENABLE	= LWS_RXFLOW_REASON_APPLIES |
-						  LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT,
-	LWS_RXFLOW_REASON_APPLIES_DISABLE	= LWS_RXFLOW_REASON_APPLIES,
-	LWS_RXFLOW_REASON_FLAG_PROCESS_NOW	= (1 << 12),
-
-};
-
-/**
- * lws_rx_flow_control() - Enable and disable socket servicing for
- *				received packets.
- *
- * If the output side of a server process becomes choked, this allows flow
- * control for the input side.
- *
- * \param wsi:	Websocket connection instance to get callback for
- * \param enable:	0 = disable read servicing for this connection, 1 = enable
- *
- * If you need more than one additive reason for rxflow control, you can give
- * iLWS_RXFLOW_REASON_APPLIES_ENABLE or _DISABLE together with one or more of
- * b5..b0 set to idicate which bits to enable or disable.  If any bits are
- * enabled, rx on the connection is suppressed.
- *
- * LWS_RXFLOW_REASON_FLAG_PROCESS_NOW  flag may also be given to force any change
- * in rxflowbstatus to benapplied immediately, this should be used when you are
- * changing a wsi flow control state from outside a callback on that wsi.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_rx_flow_control(struct lws *wsi, int enable);
-
-/**
- * lws_rx_flow_allow_all_protocol() - Allow all connections with this protocol to receive
- *
- * When the user server code realizes it can accept more input, it can
- * call this to have the RX flow restriction removed from all connections using
- * the given protocol.
- * \param context:	lws_context
- * \param protocol:	all connections using this protocol will be allowed to receive
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_rx_flow_allow_all_protocol(const struct lws_context *context,
-			       const struct lws_protocols *protocol);
-
-/**
- * lws_remaining_packet_payload() - Bytes to come before "overall"
- *					      rx fragment is complete
- * \param wsi:		Websocket instance (available from user callback)
- *
- * This tracks how many bytes are left in the current ws fragment, according
- * to the ws length given in the fragment header.
- *
- * If the message was in a single fragment, and there is no compression, this
- * is the same as "how much data is left to read for this message".
- *
- * However, if the message is being sent in multiple fragments, this will
- * reflect the unread amount of the current **fragment**, not the message.  With
- * ws, it is legal to not know the length of the message before it completes.
- *
- * Additionally if the message is sent via the negotiated permessage-deflate
- * extension, this number only tells the amount of **compressed** data left to
- * be read, since that is the only information available at the ws layer.
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_remaining_packet_payload(struct lws *wsi);
-
-
-/** \defgroup sock-adopt Socket adoption helpers
- * ##Socket adoption helpers
- *
- * When integrating with an external app with its own event loop, these can
- * be used to accept connections from someone else's listening socket.
- *
- * When using lws own event loop, these are not needed.
- */
-///@{
-
-/**
- * lws_adopt_socket() - adopt foreign socket as if listen socket accepted it
- * for the default vhost of context.
- *
- * \param context: lws context
- * \param accept_fd: fd of already-accepted socket to adopt
- *
- * Either returns new wsi bound to accept_fd, or closes accept_fd and
- * returns NULL, having cleaned up any new wsi pieces.
- *
- * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
- * to ws or just serve http.
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd);
-/**
- * lws_adopt_socket_vhost() - adopt foreign socket as if listen socket accepted it
- * for vhost
- *
- * \param vh: lws vhost
- * \param accept_fd: fd of already-accepted socket to adopt
- *
- * Either returns new wsi bound to accept_fd, or closes accept_fd and
- * returns NULL, having cleaned up any new wsi pieces.
- *
- * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
- * to ws or just serve http.
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd);
-
-typedef enum {
-	LWS_ADOPT_RAW_FILE_DESC = 0,	/* convenience constant */
-	LWS_ADOPT_HTTP = 1,		/* flag: absent implies RAW */
-	LWS_ADOPT_SOCKET = 2,		/* flag: absent implies file descr */
-	LWS_ADOPT_ALLOW_SSL = 4,	/* flag: if set requires LWS_ADOPT_SOCKET */
-	LWS_ADOPT_WS_PARENTIO = 8,	/* flag: ws mode parent handles IO
-					 *   if given must be only flag
-					 *   wsi put directly into ws mode */
-	LWS_ADOPT_FLAG_UDP = 16,	/* flag: socket is UDP */
-
-	LWS_ADOPT_RAW_SOCKET_UDP = LWS_ADOPT_SOCKET | LWS_ADOPT_FLAG_UDP,
-} lws_adoption_type;
-
-typedef union {
-	lws_sockfd_type sockfd;
-	lws_filefd_type filefd;
-} lws_sock_file_fd_type;
-
-#if !defined(LWS_WITH_ESP32)
-struct lws_udp {
-	struct sockaddr sa;
-	socklen_t salen;
-
-	struct sockaddr sa_pending;
-	socklen_t salen_pending;
-};
-#endif
-
-/*
-* lws_adopt_descriptor_vhost() - adopt foreign socket or file descriptor
-* if socket descriptor, should already have been accepted from listen socket
-*
-* \param vhost: lws vhost
-* \param type: OR-ed combinations of lws_adoption_type flags
-* \param fd: union with either .sockfd or .filefd set
-* \param vh_prot_name: NULL or vh protocol name to bind raw connection to
-* \param parent: NULL or struct lws to attach new_wsi to as a child
-*
-* Either returns new wsi bound to accept_fd, or closes accept_fd and
-* returns NULL, having cleaned up any new wsi pieces.
-*
-* If LWS_ADOPT_SOCKET is set, LWS adopts the socket in http serving mode, it's
-* ready to accept an upgrade to ws or just serve http.
-*
-* parent may be NULL, if given it should be an existing wsi that will become the
-* parent of the new wsi created by this call.
-*/
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
-			   lws_sock_file_fd_type fd, const char *vh_prot_name,
-			   struct lws *parent);
-
-/**
- * lws_adopt_socket_readbuf() - adopt foreign socket and first rx as if listen socket accepted it
- * for the default vhost of context.
- * \param context:	lws context
- * \param accept_fd:	fd of already-accepted socket to adopt
- * \param readbuf:	NULL or pointer to data that must be drained before reading from
- *		accept_fd
- * \param len:	The length of the data held at \param readbuf
- *
- * Either returns new wsi bound to accept_fd, or closes accept_fd and
- * returns NULL, having cleaned up any new wsi pieces.
- *
- * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
- * to ws or just serve http.
- *
- * If your external code did not already read from the socket, you can use
- * lws_adopt_socket() instead.
- *
- * This api is guaranteed to use the data at \param readbuf first, before reading from
- * the socket.
- *
- * readbuf is limited to the size of the ah rx buf, currently 2048 bytes.
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
-                         const char *readbuf, size_t len);
-/**
- * lws_adopt_socket_vhost_readbuf() - adopt foreign socket and first rx as if listen socket
- * accepted it for vhost.
- * \param vhost:	lws vhost
- * \param accept_fd:	fd of already-accepted socket to adopt
- * \param readbuf:	NULL or pointer to data that must be drained before reading from
- *			accept_fd
- * \param len:		The length of the data held at \param readbuf
- *
- * Either returns new wsi bound to accept_fd, or closes accept_fd and
- * returns NULL, having cleaned up any new wsi pieces.
- *
- * LWS adopts the socket in http serving mode, it's ready to accept an upgrade
- * to ws or just serve http.
- *
- * If your external code did not already read from the socket, you can use
- * lws_adopt_socket() instead.
- *
- * This api is guaranteed to use the data at \param readbuf first, before reading from
- * the socket.
- *
- * readbuf is limited to the size of the ah rx buf, currently 2048 bytes.
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_adopt_socket_vhost_readbuf(struct lws_vhost *vhost, lws_sockfd_type accept_fd,
-                               const char *readbuf, size_t len);
-
-#define LWS_CAUDP_BIND 1
-
-/**
- * lws_create_adopt_udp() - create, bind and adopt a UDP socket
- *
- * \param vhost:	 lws vhost
- * \param port:		 UDP port to bind to, -1 means unbound
- * \param flags:	 0 or LWS_CAUDP_NO_BIND
- * \param protocol_name: Name of protocol on vhost to bind wsi to
- * \param parent_wsi:	 NULL or parent wsi new wsi will be a child of
- *
- * Either returns new wsi bound to accept_fd, or closes accept_fd and
- * returns NULL, having cleaned up any new wsi pieces.
- * */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_create_adopt_udp(struct lws_vhost *vhost, int port, int flags,
-		     const char *protocol_name, struct lws *parent_wsi);
-///@}
-
-/** \defgroup net Network related helper APIs
- * ##Network related helper APIs
- *
- * These wrap miscellaneous useful network-related functions
- */
-///@{
-
-/**
- * lws_canonical_hostname() - returns this host's hostname
- *
- * This is typically used by client code to fill in the host parameter
- * when making a client connection.  You can only call it after the context
- * has been created.
- *
- * \param context:	Websocket context
- */
-LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
-lws_canonical_hostname(struct lws_context *context);
-
-/**
- * lws_get_peer_addresses() - Get client address information
- * \param wsi:	Local struct lws associated with
- * \param fd:		Connection socket descriptor
- * \param name:	Buffer to take client address name
- * \param name_len:	Length of client address name buffer
- * \param rip:	Buffer to take client address IP dotted quad
- * \param rip_len:	Length of client address IP buffer
- *
- *	This function fills in name and rip with the name and IP of
- *	the client connected with socket descriptor fd.  Names may be
- *	truncated if there is not enough room.  If either cannot be
- *	determined, they will be returned as valid zero-length strings.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_get_peer_addresses(struct lws *wsi, lws_sockfd_type fd, char *name,
-		       int name_len, char *rip, int rip_len);
-
-/**
- * lws_get_peer_simple() - Get client address information without RDNS
- *
- * \param wsi:	Local struct lws associated with
- * \param name:	Buffer to take client address name
- * \param namelen:	Length of client address name buffer
- *
- * This provides a 123.123.123.123 type IP address in name from the
- * peer that has connected to wsi
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_get_peer_simple(struct lws *wsi, char *name, int namelen);
-
-
-#define LWS_ITOSA_NOT_EXIST -1
-#define LWS_ITOSA_NOT_USABLE -2
-#define LWS_ITOSA_USABLE 0
-#if !defined(LWS_WITH_ESP32)
-/**
- * lws_interface_to_sa() - Convert interface name or IP to sockaddr struct
- *
- * \param ipv6:		Allow IPV6 addresses
- * \param ifname:	Interface name or IP
- * \param addr:		struct sockaddr_in * to be written
- * \param addrlen:	Length of addr
- *
- * This converts a textual network interface name to a sockaddr usable by
- * other network functions.
- *
- * If the network interface doesn't exist, it will return LWS_ITOSA_NOT_EXIST.
- *
- * If the network interface is not usable, eg ethernet cable is removed, it
- * may logically exist but not have any IP address.  As such it will return
- * LWS_ITOSA_NOT_USABLE.
- *
- * If the network interface exists and is usable, it will return
- * LWS_ITOSA_USABLE.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr,
-		    size_t addrlen);
-///@}
-#endif
-
-/** \defgroup misc Miscellaneous APIs
-* ##Miscellaneous APIs
-*
-* Various APIs outside of other categories
-*/
-///@{
-
-/**
- * lws_start_foreach_ll(): linkedlist iterator helper start
- *
- * \param type: type of iteration, eg, struct xyz *
- * \param it: iterator var name to create
- * \param start: start of list
- *
- * This helper creates an iterator and starts a while (it) {
- * loop.  The iterator runs through the linked list starting at start and
- * ends when it gets a NULL.
- * The while loop should be terminated using lws_start_foreach_ll().
- */
-#define lws_start_foreach_ll(type, it, start)\
-{ \
-	type it = start; \
-	while (it) {
-
-/**
- * lws_end_foreach_ll(): linkedlist iterator helper end
- *
- * \param it: same iterator var name given when starting
- * \param nxt: member name in the iterator pointing to next list element
- *
- * This helper is the partner for lws_start_foreach_ll() that ends the
- * while loop.
- */
-
-#define lws_end_foreach_ll(it, nxt) \
-		it = it->nxt; \
-	} \
-}
-
-/**
- * lws_start_foreach_llp(): linkedlist pointer iterator helper start
- *
- * \param type: type of iteration, eg, struct xyz **
- * \param it: iterator var name to create
- * \param start: start of list
- *
- * This helper creates an iterator and starts a while (it) {
- * loop.  The iterator runs through the linked list starting at the
- * address of start and ends when it gets a NULL.
- * The while loop should be terminated using lws_start_foreach_llp().
- *
- * This helper variant iterates using a pointer to the previous linked-list
- * element.  That allows you to easily delete list members by rewriting the
- * previous pointer to the element's next pointer.
- */
-#define lws_start_foreach_llp(type, it, start)\
-{ \
-	type it = &(start); \
-	while (*(it)) {
-
-#define lws_start_foreach_llp_safe(type, it, start, nxt)\
-{ \
-	type it = &(start); \
-	type next; \
-	while (*(it)) { \
-		next = &((*(it))->nxt); \
-
-/**
- * lws_end_foreach_llp(): linkedlist pointer iterator helper end
- *
- * \param it: same iterator var name given when starting
- * \param nxt: member name in the iterator pointing to next list element
- *
- * This helper is the partner for lws_start_foreach_llp() that ends the
- * while loop.
- */
-
-#define lws_end_foreach_llp(it, nxt) \
-		it = &(*(it))->nxt; \
-	} \
-}
-
-#define lws_end_foreach_llp_safe(it) \
-		it = next; \
-	} \
-}
-
-#define lws_ll_fwd_insert(\
-	___new_object,	/* pointer to new object */ \
-	___m_list,	/* member for next list object ptr */ \
-	___list_head	/* list head */ \
-		) {\
-		___new_object->___m_list = ___list_head; \
-		___list_head = ___new_object; \
-	}
-
-#define lws_ll_fwd_remove(\
-	___type,	/* type of listed object */ \
-	___m_list,	/* member for next list object ptr */ \
-	___target,	/* object to remove from list */ \
-	___list_head	/* list head */ \
-	) { \
-                lws_start_foreach_llp(___type **, ___ppss, ___list_head) { \
-                        if (*___ppss == ___target) { \
-                                *___ppss = ___target->___m_list; \
-                                break; \
-                        } \
-                } lws_end_foreach_llp(___ppss, ___m_list); \
-	}
-
-/*
- * doubly linked-list
- */
-
-struct lws_dll { /* abstract */
-	struct lws_dll *prev;
-	struct lws_dll *next;
-};
-
-/*
- * these all point to the composed list objects... you have to use the
- * lws_container_of() helper to recover the start of the containing struct
- */
-
-LWS_VISIBLE LWS_EXTERN void
-lws_dll_add_front(struct lws_dll *d, struct lws_dll *phead);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_dll_remove(struct lws_dll *d);
-
-struct lws_dll_lws { /* typed as struct lws * */
-	struct lws_dll_lws *prev;
-	struct lws_dll_lws *next;
-};
-
-#define lws_dll_is_null(___dll) (!(___dll)->prev && !(___dll)->next)
-
-static LWS_INLINE void
-lws_dll_lws_add_front(struct lws_dll_lws *_a, struct lws_dll_lws *_head)
-{
-	lws_dll_add_front((struct lws_dll *)_a, (struct lws_dll *)_head);
-}
-
-static LWS_INLINE void
-lws_dll_lws_remove(struct lws_dll_lws *_a)
-{
-	lws_dll_remove((struct lws_dll *)_a);
-}
-
-/*
- * these are safe against the current container object getting deleted,
- * since the hold his next in a temp and go to that next.  ___tmp is
- * the temp.
- */
-
-#define lws_start_foreach_dll_safe(___type, ___it, ___tmp, ___start) \
-{ \
-	___type ___it = ___start; \
-	while (___it) { \
-		___type ___tmp = (___it)->next;
-
-#define lws_end_foreach_dll_safe(___it, ___tmp) \
-		___it = ___tmp; \
-	} \
-}
-
-#define lws_start_foreach_dll(___type, ___it, ___start) \
-{ \
-	___type ___it = ___start; \
-	while (___it) {
-
-#define lws_end_foreach_dll(___it) \
-		___it = (___it)->next; \
-	} \
-}
-
-struct lws_buflist;
-
-/**
- * lws_buflist_append_segment(): add buffer to buflist at head
- *
- * \param head: list head
- * \param buf: buffer to stash
- * \param len: length of buffer to stash
- *
- * Returns -1 on OOM, 1 if this was the first segment on the list, and 0 if
- * it was a subsequent segment.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_buflist_append_segment(struct lws_buflist **head, const uint8_t *buf,
-			   size_t len);
-/**
- * lws_buflist_next_segment_len(): number of bytes left in current segment
- *
- * \param head: list head
- * \param buf: if non-NULL, *buf is written with the address of the start of
- *		the remaining data in the segment
- *
- * Returns the number of bytes left in the current segment.  0 indicates
- * that the buflist is empty (there are no segments on the buflist).
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_buflist_next_segment_len(struct lws_buflist **head, uint8_t **buf);
-/**
- * lws_buflist_use_segment(): remove len bytes from the current segment
- *
- * \param head: list head
- * \param len: number of bytes to mark as used
- *
- * If len is less than the remaining length of the current segment, the position
- * in the current segment is simply advanced and it returns.
- *
- * If len uses up the remaining length of the current segment, then the segment
- * is deleted and the list head moves to the next segment if any.
- *
- * Returns the number of bytes left in the current segment.  0 indicates
- * that the buflist is empty (there are no segments on the buflist).
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_buflist_use_segment(struct lws_buflist **head, size_t len);
-/**
- * lws_buflist_destroy_all_segments(): free all segments on the list
- *
- * \param head: list head
- *
- * This frees everything on the list unconditionally.  *head is always
- * NULL after this.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_buflist_destroy_all_segments(struct lws_buflist **head);
-
-void
-lws_buflist_describe(struct lws_buflist **head, void *id);
-
-/**
- * lws_ptr_diff(): helper to report distance between pointers as an int
- *
- * \param head: the pointer with the larger address
- * \param tail: the pointer with the smaller address
- *
- * This helper gives you an int representing the number of bytes further
- * forward the first pointer is compared to the second pointer.
- */
-#define lws_ptr_diff(head, tail) \
-			((int)((char *)(head) - (char *)(tail)))
-
-/**
- * lws_snprintf(): snprintf that truncates the returned length too
- *
- * \param str: destination buffer
- * \param size: bytes left in destination buffer
- * \param format: format string
- * \param ...: args for format
- *
- * This lets you correctly truncate buffers by concatenating lengths, if you
- * reach the limit the reported length doesn't exceed the limit.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_snprintf(char *str, size_t size, const char *format, ...) LWS_FORMAT(3);
-
-/**
- * lws_strncpy(): strncpy that guarantees NUL on truncated copy
- *
- * \param dest: destination buffer
- * \param src: source buffer
- * \param size: bytes left in destination buffer
- *
- * This lets you correctly truncate buffers by concatenating lengths, if you
- * reach the limit the reported length doesn't exceed the limit.
- */
-LWS_VISIBLE LWS_EXTERN char *
-lws_strncpy(char *dest, const char *src, size_t size);
-
-/**
- * lws_get_random(): fill a buffer with platform random data
- *
- * \param context: the lws context
- * \param buf: buffer to fill
- * \param len: how much to fill
- *
- * This is intended to be called from the LWS_CALLBACK_RECEIVE callback if
- * it's interested to see if the frame it's dealing with was sent in binary
- * mode.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_get_random(struct lws_context *context, void *buf, int len);
-/**
- * lws_daemonize(): make current process run in the background
- *
- * \param _lock_path: the filepath to write the lock file
- *
- * Spawn lws as a background process, taking care of various things
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_daemonize(const char *_lock_path);
-/**
- * lws_get_library_version(): return string describing the version of lws
- *
- * On unix, also includes the git describe
- */
-LWS_VISIBLE LWS_EXTERN const char * LWS_WARN_UNUSED_RESULT
-lws_get_library_version(void);
-
-/**
- * lws_wsi_user() - get the user data associated with the connection
- * \param wsi: lws connection
- *
- * Not normally needed since it's passed into the callback
- */
-LWS_VISIBLE LWS_EXTERN void *
-lws_wsi_user(struct lws *wsi);
-
-/**
- * lws_wsi_set_user() - set the user data associated with the client connection
- * \param wsi: lws connection
- * \param user: user data
- *
- * By default lws allocates this and it's not legal to externally set it
- * yourself.  However client connections may have it set externally when the
- * connection is created... if so, this api can be used to modify it at
- * runtime additionally.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_set_wsi_user(struct lws *wsi, void *user);
-
-/**
- * lws_parse_uri:	cut up prot:/ads:port/path into pieces
- *			Notice it does so by dropping '\0' into input string
- *			and the leading / on the path is consequently lost
- *
- * \param p:			incoming uri string.. will get written to
- * \param prot:		result pointer for protocol part (https://)
- * \param ads:		result pointer for address part
- * \param port:		result pointer for port part
- * \param path:		result pointer for path part
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
-	      const char **path);
-/**
- * lws_cmdline_option():	simple commandline parser
- *
- * \param argc:		count of argument strings
- * \param argv:		argument strings
- * \param val:		string to find
- *
- * Returns NULL if the string \p val is not found in the arguments.
- *
- * If it is found, then it returns a pointer to the next character after \p val.
- * So if \p val is "-d", then for the commandlines "myapp -d15" and
- * "myapp -d 15", in both cases the return will point to the "15".
- *
- * In the case there is no argument, like "myapp -d", the return will
- * either point to the '\\0' at the end of -d, or to the start of the
- * next argument, ie, will be non-NULL.
- */
-LWS_VISIBLE LWS_EXTERN const char *
-lws_cmdline_option(int argc, const char **argv, const char *val);
-
-/**
- * lws_now_secs(): return seconds since 1970-1-1
- */
-LWS_VISIBLE LWS_EXTERN unsigned long
-lws_now_secs(void);
-
-/**
- * lws_compare_time_t(): return relationship between two time_t
- *
- * \param context: struct lws_context
- * \param t1: time_t 1
- * \param t2: time_t 2
- *
- * returns <0 if t2 > t1; >0 if t1 > t2; or == 0 if t1 == t2.
- *
- * This is aware of clock discontiguities that may have affected either t1 or
- * t2 and adapts the comparison for them.
- *
- * For the discontiguity detection to work, you must avoid any arithmetic on
- * the times being compared.  For example to have a timeout that triggers
- * 15s from when it was set, store the time it was set and compare like
- * `if (lws_compare_time_t(context, now, set_time) > 15)`
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_compare_time_t(struct lws_context *context, time_t t1, time_t t2);
-
-/**
- * lws_get_context - Allow getting lws_context from a Websocket connection
- * instance
- *
- * With this function, users can access context in the callback function.
- * Otherwise users may have to declare context as a global variable.
- *
- * \param wsi:	Websocket connection instance
- */
-LWS_VISIBLE LWS_EXTERN struct lws_context * LWS_WARN_UNUSED_RESULT
-lws_get_context(const struct lws *wsi);
-
-/**
- * lws_get_vhost_listen_port - Find out the port number a vhost is listening on
- *
- * In the case you passed 0 for the port number at context creation time, you
- * can discover the port number that was actually chosen for the vhost using
- * this api.
- *
- * \param vhost:	Vhost to get listen port from
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_get_vhost_listen_port(struct lws_vhost *vhost);
-
-/**
- * lws_get_count_threads(): how many service threads the context uses
- *
- * \param context: the lws context
- *
- * By default this is always 1, if you asked for more than lws can handle it
- * will clip the number of threads.  So you can use this to find out how many
- * threads are actually in use.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_get_count_threads(struct lws_context *context);
-
-/**
- * lws_get_parent() - get parent wsi or NULL
- * \param wsi: lws connection
- *
- * Specialized wsi like cgi stdin/out/err are associated to a parent wsi,
- * this allows you to get their parent.
- */
-LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
-lws_get_parent(const struct lws *wsi);
-
-/**
- * lws_get_child() - get child wsi or NULL
- * \param wsi: lws connection
- *
- * Allows you to find a related wsi from the parent wsi.
- */
-LWS_VISIBLE LWS_EXTERN struct lws * LWS_WARN_UNUSED_RESULT
-lws_get_child(const struct lws *wsi);
-
-/**
- * lws_get_udp() - get wsi's udp struct
- *
- * \param wsi: lws connection
- *
- * Returns NULL or pointer to the wsi's UDP-specific information
- */
-LWS_VISIBLE LWS_EXTERN const struct lws_udp * LWS_WARN_UNUSED_RESULT
-lws_get_udp(const struct lws *wsi);
-
-/**
- * lws_parent_carries_io() - mark wsi as needing to send messages via parent
- *
- * \param wsi: child lws connection
- */
-
-LWS_VISIBLE LWS_EXTERN void
-lws_set_parent_carries_io(struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN void *
-lws_get_opaque_parent_data(const struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_set_opaque_parent_data(struct lws *wsi, void *data);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_get_child_pending_on_writable(const struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_clear_child_pending_on_writable(struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_get_close_length(struct lws *wsi);
-
-LWS_VISIBLE LWS_EXTERN unsigned char *
-lws_get_close_payload(struct lws *wsi);
-
-/**
- * lws_get_network_wsi() - Returns wsi that has the tcp connection for this wsi
- *
- * \param wsi: wsi you have
- *
- * Returns wsi that has the tcp connection (which may be the incoming wsi)
- *
- * HTTP/1 connections will always return the incoming wsi
- * HTTP/2 connections may return a different wsi that has the tcp connection
- */
-LWS_VISIBLE LWS_EXTERN
-struct lws *lws_get_network_wsi(struct lws *wsi);
-
-/**
- * lws_set_allocator() - custom allocator support
- *
- * \param realloc
- *
- * Allows you to replace the allocator (and deallocator) used by lws
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_set_allocator(void *(*realloc)(void *ptr, size_t size, const char *reason));
-///@}
-
-/** \defgroup wsstatus Websocket status APIs
- * ##Websocket connection status APIs
- *
- * These provide information about ws connection or message status
- */
-///@{
-/**
- * lws_send_pipe_choked() - tests if socket is writable or not
- * \param wsi: lws connection
- *
- * Allows you to check if you can write more on the socket
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_send_pipe_choked(struct lws *wsi);
-
-/**
- * lws_is_final_fragment() - tests if last part of ws message
- *
- * \param wsi: lws connection
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_is_final_fragment(struct lws *wsi);
-
-/**
- * lws_is_first_fragment() - tests if first part of ws message
- *
- * \param wsi: lws connection
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_is_first_fragment(struct lws *wsi);
-
-/**
- * lws_get_reserved_bits() - access reserved bits of ws frame
- * \param wsi: lws connection
- */
-LWS_VISIBLE LWS_EXTERN unsigned char
-lws_get_reserved_bits(struct lws *wsi);
-
-/**
- * lws_partial_buffered() - find out if lws buffered the last write
- * \param wsi:	websocket connection to check
- *
- * Returns 1 if you cannot use lws_write because the last
- * write on this connection is still buffered, and can't be cleared without
- * returning to the service loop and waiting for the connection to be
- * writeable again.
- *
- * If you will try to do >1 lws_write call inside a single
- * WRITEABLE callback, you must check this after every write and bail if
- * set, ask for a new writeable callback and continue writing from there.
- *
- * This is never set at the start of a writeable callback, but any write
- * may set it.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_partial_buffered(struct lws *wsi);
-
-/**
- * lws_frame_is_binary(): true if the current frame was sent in binary mode
- *
- * \param wsi: the connection we are inquiring about
- *
- * This is intended to be called from the LWS_CALLBACK_RECEIVE callback if
- * it's interested to see if the frame it's dealing with was sent in binary
- * mode.
- */
-LWS_VISIBLE LWS_EXTERN int LWS_WARN_UNUSED_RESULT
-lws_frame_is_binary(struct lws *wsi);
-
-/**
- * lws_is_ssl() - Find out if connection is using SSL
- * \param wsi:	websocket connection to check
- *
- *	Returns 0 if the connection is not using SSL, 1 if using SSL and
- *	using verified cert, and 2 if using SSL but the cert was not
- *	checked (appears for client wsi told to skip check on connection)
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_is_ssl(struct lws *wsi);
-/**
- * lws_is_cgi() - find out if this wsi is running a cgi process
- * \param wsi: lws connection
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_is_cgi(struct lws *wsi);
-
-
-struct lws_wifi_scan { /* generic wlan scan item */
-	struct lws_wifi_scan *next;
-	char ssid[32];
-	int32_t rssi; /* divide by .count to get db */
-	uint8_t bssid[6];
-	uint8_t count;
-	uint8_t channel;
-	uint8_t authmode;
-};
-
-#if defined(LWS_WITH_TLS) && !defined(LWS_WITH_MBEDTLS)
-/**
- * lws_get_ssl() - Return wsi's SSL context structure
- * \param wsi:	websocket connection
- *
- * Returns pointer to the SSL library's context structure
- */
-LWS_VISIBLE LWS_EXTERN SSL*
-lws_get_ssl(struct lws *wsi);
-#endif
-
-enum lws_tls_cert_info {
-	LWS_TLS_CERT_INFO_VALIDITY_FROM,
-	/**< fills .time with the time_t the cert validity started from */
-	LWS_TLS_CERT_INFO_VALIDITY_TO,
-	/**< fills .time with the time_t the cert validity ends at */
-	LWS_TLS_CERT_INFO_COMMON_NAME,
-	/**< fills up to len bytes of .ns.name with the cert common name */
-	LWS_TLS_CERT_INFO_ISSUER_NAME,
-	/**< fills up to len bytes of .ns.name with the cert issuer name */
-	LWS_TLS_CERT_INFO_USAGE,
-	/**< fills verified with a bitfield asserting the valid uses */
-	LWS_TLS_CERT_INFO_VERIFIED,
-	/**< fills .verified with a bool representing peer cert validity,
-	 *   call returns -1 if no cert */
-	LWS_TLS_CERT_INFO_OPAQUE_PUBLIC_KEY,
-	/**< the certificate's public key, as an opaque bytestream.  These
-	 * opaque bytestreams can only be compared with each other using the
-	 * same tls backend, ie, OpenSSL or mbedTLS.  The different backends
-	 * produce different, incompatible representations for the same cert.
-	 */
-};
-
-union lws_tls_cert_info_results {
-	unsigned int verified;
-	time_t time;
-	unsigned int usage;
-	struct {
-		int len;
-		/* KEEP LAST... notice the [64] is only there because
-		 * name[] is not allowed in a union.  The actual length of
-		 * name[] is arbitrary and is passed into the api using the
-		 * len parameter.  Eg
-		 *
-		 * char big[1024];
-		 * union lws_tls_cert_info_results *buf =
-		 * 	(union lws_tls_cert_info_results *)big;
-		 *
-		 * lws_tls_peer_cert_info(wsi, type, buf, sizeof(big) -
-		 *			  sizeof(*buf) + sizeof(buf->ns.name));
-		 */
-		char name[64];
-	} ns;
-};
-
-/**
- * lws_tls_peer_cert_info() - get information from the peer's TLS cert
- *
- * \param wsi: the connection to query
- * \param type: one of LWS_TLS_CERT_INFO_
- * \param buf: pointer to union to take result
- * \param len: when result is a string, the true length of buf->ns.name[]
- *
- * lws_tls_peer_cert_info() lets you get hold of information from the peer
- * certificate.
- *
- * Return 0 if there is a result in \p buf, or -1 indicating there was no cert
- * or another problem.
- *
- * This function works the same no matter if the TLS backend is OpenSSL or
- * mbedTLS.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_tls_peer_cert_info(struct lws *wsi, enum lws_tls_cert_info type,
-		       union lws_tls_cert_info_results *buf, size_t len);
-
-/**
- * lws_tls_vhost_cert_info() - get information from the vhost's own TLS cert
- *
- * \param vhost: the vhost to query
- * \param type: one of LWS_TLS_CERT_INFO_
- * \param buf: pointer to union to take result
- * \param len: when result is a string, the true length of buf->ns.name[]
- *
- * lws_tls_vhost_cert_info() lets you get hold of information from the vhost
- * certificate.
- *
- * Return 0 if there is a result in \p buf, or -1 indicating there was no cert
- * or another problem.
- *
- * This function works the same no matter if the TLS backend is OpenSSL or
- * mbedTLS.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_tls_vhost_cert_info(struct lws_vhost *vhost, enum lws_tls_cert_info type,
-		        union lws_tls_cert_info_results *buf, size_t len);
-
-/**
- * lws_tls_acme_sni_cert_create() - creates a temp selfsigned cert
- *				    and attaches to a vhost
- *
- * \param vhost: the vhost to acquire the selfsigned cert
- * \param san_a: SAN written into the certificate
- * \param san_b: second SAN written into the certificate
- *
- *
- * Returns 0 if created and attached to the vhost.  Returns -1 if problems and
- * frees all allocations before returning.
- *
- * On success, any allocations are destroyed at vhost destruction automatically.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_tls_acme_sni_cert_create(struct lws_vhost *vhost, const char *san_a,
-			     const char *san_b);
-
-/**
- * lws_tls_acme_sni_csr_create() - creates a CSR and related private key PEM
- *
- * \param context: lws_context used for random
- * \param elements: array of LWS_TLS_REQ_ELEMENT_COUNT const char *
- * \param csr: buffer that will get the b64URL(ASN-1 CSR)
- * \param csr_len: max length of the csr buffer
- * \param privkey_pem: pointer to pointer allocated to hold the privkey_pem
- * \param privkey_len: pointer to size_t set to the length of the privkey_pem
- *
- * Creates a CSR according to the information in \p elements, and a private
- * RSA key used to sign the CSR.
- *
- * The outputs are the b64URL(ASN-1 CSR) into csr, and the PEM private key into
- * privkey_pem.
- *
- * Notice that \p elements points to an array of const char *s pointing to the
- * information listed in the enum above.  If an entry is NULL or an empty
- * string, the element is set to "none" in the CSR.
- *
- * Returns 0 on success or nonzero for failure.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_tls_acme_sni_csr_create(struct lws_context *context, const char *elements[],
-			    uint8_t *csr, size_t csr_len, char **privkey_pem,
-			    size_t *privkey_len);
-
-/**
- * lws_tls_cert_updated() - update every vhost using the given cert path
- *
- * \param context: our lws_context
- * \param certpath: the filepath to the certificate
- * \param keypath: the filepath to the private key of the certificate
- * \param mem_cert: copy of the cert in memory
- * \param len_mem_cert: length of the copy of the cert in memory
- * \param mem_privkey: copy of the private key in memory
- * \param len_mem_privkey: length of the copy of the private key in memory
- *
- * Checks every vhost to see if it is the using certificate described by the
- * the given filepaths.  If so, it attempts to update the vhost ssl_ctx to use
- * the new certificate.
- *
- * Returns 0 on success or nonzero for failure.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_tls_cert_updated(struct lws_context *context, const char *certpath,
-		     const char *keypath,
-		     const char *mem_cert, size_t len_mem_cert,
-		     const char *mem_privkey, size_t len_mem_privkey);
-///@}
-
-/** \defgroup lws_ring LWS Ringbuffer APIs
- * ##lws_ring: generic ringbuffer struct
- *
- * Provides an abstract ringbuffer api supporting one head and one or an
- * unlimited number of tails.
- *
- * All of the members are opaque and manipulated by lws_ring_...() apis.
- *
- * The lws_ring and its buffer is allocated at runtime on the heap, using
- *
- *  - lws_ring_create()
- *  - lws_ring_destroy()
- *
- * It may contain any type, the size of the "element" stored in the ring
- * buffer and the number of elements is given at creation time.
- *
- * When you create the ringbuffer, you can optionally provide an element
- * destroy callback that frees any allocations inside the element.  This is then
- * automatically called for elements with no tail behind them, ie, elements
- * which don't have any pending consumer are auto-freed.
- *
- * Whole elements may be inserted into the ringbuffer and removed from it, using
- *
- *  - lws_ring_insert()
- *  - lws_ring_consume()
- *
- * You can find out how many whole elements are free or waiting using
- *
- *  - lws_ring_get_count_free_elements()
- *  - lws_ring_get_count_waiting_elements()
- *
- * In addition there are special purpose optional byte-centric apis
- *
- *  - lws_ring_next_linear_insert_range()
- *  - lws_ring_bump_head()
- *
- *  which let you, eg, read() directly into the ringbuffer without needing
- *  an intermediate bounce buffer.
- *
- *  The accessors understand that the ring wraps, and optimizes insertion and
- *  consumption into one or two memcpy()s depending on if the head or tail
- *  wraps.
- *
- *  lws_ring only supports a single head, but optionally multiple tails with
- *  an API to inform it when the "oldest" tail has moved on.  You can give
- *  NULL where-ever an api asks for a tail pointer, and it will use an internal
- *  single tail pointer for convenience.
- *
- *  The "oldest tail", which is the only tail if you give it NULL instead of
- *  some other tail, is used to track which elements in the ringbuffer are
- *  still unread by anyone.
- *
- *   - lws_ring_update_oldest_tail()
- */
-///@{
-struct lws_ring;
-
-/**
- * lws_ring_create(): create a new ringbuffer
- *
- * \param element_len: the size in bytes of one element in the ringbuffer
- * \param count: the number of elements the ringbuffer can contain
- * \param destroy_element: NULL, or callback to be called for each element
- *			   that is removed from the ringbuffer due to the
- *			   oldest tail moving beyond it
- *
- * Creates the ringbuffer and allocates the storage.  Returns the new
- * lws_ring *, or NULL if the allocation failed.
- *
- * If non-NULL, destroy_element will get called back for every element that is
- * retired from the ringbuffer after the oldest tail has gone past it, and for
- * any element still left in the ringbuffer when it is destroyed.  It replaces
- * all other element destruction code in your user code.
- */
-LWS_VISIBLE LWS_EXTERN struct lws_ring *
-lws_ring_create(size_t element_len, size_t count,
-		void (*destroy_element)(void *element));
-
-/**
- * lws_ring_destroy():  destroy a previously created ringbuffer
- *
- * \param ring: the struct lws_ring to destroy
- *
- * Destroys the ringbuffer allocation and the struct lws_ring itself.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_ring_destroy(struct lws_ring *ring);
-
-/**
- * lws_ring_get_count_free_elements():  return how many elements can fit
- *				      in the free space
- *
- * \param ring: the struct lws_ring to report on
- *
- * Returns how much room is left in the ringbuffer for whole element insertion.
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_ring_get_count_free_elements(struct lws_ring *ring);
-
-/**
- * lws_ring_get_count_waiting_elements():  return how many elements can be consumed
- *
- * \param ring: the struct lws_ring to report on
- * \param tail: a pointer to the tail struct to use, or NULL for single tail
- *
- * Returns how many elements are waiting to be consumed from the perspective
- * of the tail pointer given.
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_ring_get_count_waiting_elements(struct lws_ring *ring, uint32_t *tail);
-
-/**
- * lws_ring_insert():  attempt to insert up to max_count elements from src
- *
- * \param ring: the struct lws_ring to report on
- * \param src: the array of elements to be inserted
- * \param max_count: the number of available elements at src
- *
- * Attempts to insert as many of the elements at src as possible, up to the
- * maximum max_count.  Returns the number of elements actually inserted.
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_ring_insert(struct lws_ring *ring, const void *src, size_t max_count);
-
-/**
- * lws_ring_consume():  attempt to copy out and remove up to max_count elements
- *		        to src
- *
- * \param ring: the struct lws_ring to report on
- * \param tail: a pointer to the tail struct to use, or NULL for single tail
- * \param dest: the array of elements to be inserted. or NULL for no copy
- * \param max_count: the number of available elements at src
- *
- * Attempts to copy out as many waiting elements as possible into dest, from
- * the perspective of the given tail, up to max_count.  If dest is NULL, the
- * copying out is not done but the elements are logically consumed as usual.
- * NULL dest is useful in combination with lws_ring_get_element(), where you
- * can use the element direct from the ringbuffer and then call this with NULL
- * dest to logically consume it.
- *
- * Increments the tail position according to how many elements could be
- * consumed.
- *
- * Returns the number of elements consumed.
- */
-LWS_VISIBLE LWS_EXTERN size_t
-lws_ring_consume(struct lws_ring *ring, uint32_t *tail, void *dest,
-		 size_t max_count);
-
-/**
- * lws_ring_get_element():  get a pointer to the next waiting element for tail
- *
- * \param ring: the struct lws_ring to report on
- * \param tail: a pointer to the tail struct to use, or NULL for single tail
- *
- * Points to the next element that tail would consume, directly in the
- * ringbuffer.  This lets you write() or otherwise use the element without
- * having to copy it out somewhere first.
- *
- * After calling this, you must call lws_ring_consume(ring, &tail, NULL, 1)
- * which will logically consume the element you used up and increment your
- * tail (tail may also be NULL there if you use a single tail).
- *
- * Returns NULL if no waiting element, or a const void * pointing to it.
- */
-LWS_VISIBLE LWS_EXTERN const void *
-lws_ring_get_element(struct lws_ring *ring, uint32_t *tail);
-
-/**
- * lws_ring_update_oldest_tail():  free up elements older than tail for reuse
- *
- * \param ring: the struct lws_ring to report on
- * \param tail: a pointer to the tail struct to use, or NULL for single tail
- *
- * If you are using multiple tails, you must use this API to inform the
- * lws_ring when none of the tails still need elements in the fifo any more,
- * by updating it when the "oldest" tail has moved on.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_ring_update_oldest_tail(struct lws_ring *ring, uint32_t tail);
-
-/**
- * lws_ring_get_oldest_tail():  get current oldest available data index
- *
- * \param ring: the struct lws_ring to report on
- *
- * If you are initializing a new ringbuffer consumer, you can set its tail to
- * this to start it from the oldest ringbuffer entry still available.
- */
-LWS_VISIBLE LWS_EXTERN uint32_t
-lws_ring_get_oldest_tail(struct lws_ring *ring);
-
-/**
- * lws_ring_next_linear_insert_range():  used to write directly into the ring
- *
- * \param ring: the struct lws_ring to report on
- * \param start: pointer to a void * set to the start of the next ringbuffer area
- * \param bytes: pointer to a size_t set to the max length you may use from *start
- *
- * This provides a low-level, bytewise access directly into the ringbuffer
- * allowing direct insertion of data without having to use a bounce buffer.
- *
- * The api reports the position and length of the next linear range that can
- * be written in the ringbuffer, ie, up to the point it would wrap, and sets
- * *start and *bytes accordingly.  You can then, eg, directly read() into
- * *start for up to *bytes, and use lws_ring_bump_head() to update the lws_ring
- * with what you have done.
- *
- * Returns nonzero if no insertion is currently possible.
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_ring_next_linear_insert_range(struct lws_ring *ring, void **start,
-				  size_t *bytes);
-
-/**
- * lws_ring_bump_head():  used to write directly into the ring
- *
- * \param ring: the struct lws_ring to operate on
- * \param bytes: the number of bytes you inserted at the current head
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_ring_bump_head(struct lws_ring *ring, size_t bytes);
-
-LWS_VISIBLE LWS_EXTERN void
-lws_ring_dump(struct lws_ring *ring, uint32_t *tail);
-
-/*
- * This is a helper that combines the common pattern of needing to consume
- * some ringbuffer elements, move the consumer tail on, and check if that
- * has moved any ringbuffer elements out of scope, because it was the last
- * consumer that had not already consumed them.
- *
- * Elements that go out of scope because the oldest tail is now after them
- * get garbage-collected by calling the destroy_element callback on them
- * defined when the ringbuffer was created.
- */
-
-#define lws_ring_consume_and_update_oldest_tail(\
-		___ring,    /* the lws_ring object */ \
-		___type,    /* type of objects with tails */ \
-		___ptail,   /* ptr to tail of obj with tail doing consuming */ \
-		___count,   /* count of payload objects being consumed */ \
-		___list_head,	/* head of list of objects with tails */ \
-		___mtail,   /* member name of tail in ___type */ \
-		___mlist  /* member name of next list member ptr in ___type */ \
-	) { \
-		int ___n, ___m; \
-	\
-	___n = lws_ring_get_oldest_tail(___ring) == *(___ptail); \
-	lws_ring_consume(___ring, ___ptail, NULL, ___count); \
-	if (___n) { \
-		uint32_t ___oldest; \
-		___n = 0; \
-		___oldest = *(___ptail); \
-		lws_start_foreach_llp(___type **, ___ppss, ___list_head) { \
-			___m = lws_ring_get_count_waiting_elements( \
-					___ring, &(*___ppss)->tail); \
-			if (___m >= ___n) { \
-				___n = ___m; \
-				___oldest = (*___ppss)->tail; \
-			} \
-		} lws_end_foreach_llp(___ppss, ___mlist); \
-	\
-		lws_ring_update_oldest_tail(___ring, ___oldest); \
-	} \
-}
-
-/*
- * This does the same as the lws_ring_consume_and_update_oldest_tail()
- * helper, but for the simpler case there is only one consumer, so one
- * tail, and that tail is always the oldest tail.
- */
-
-#define lws_ring_consume_single_tail(\
-		___ring,  /* the lws_ring object */ \
-		___ptail, /* ptr to tail of obj with tail doing consuming */ \
-		___count  /* count of payload objects being consumed */ \
-	) { \
-	lws_ring_consume(___ring, ___ptail, NULL, ___count); \
-	lws_ring_update_oldest_tail(___ring, *(___ptail)); \
-}
-///@}
-
-/** \defgroup sha SHA and B64 helpers
- * ##SHA and B64 helpers
- *
- * These provide SHA-1 and B64 helper apis
- */
-///@{
-#ifdef LWS_SHA1_USE_OPENSSL_NAME
-#define lws_SHA1 SHA1
-#else
-/**
- * lws_SHA1(): make a SHA-1 digest of a buffer
- *
- * \param d: incoming buffer
- * \param n: length of incoming buffer
- * \param md: buffer for message digest (must be >= 20 bytes)
- *
- * Reduces any size buffer into a 20-byte SHA-1 hash.
- */
-LWS_VISIBLE LWS_EXTERN unsigned char *
-lws_SHA1(const unsigned char *d, size_t n, unsigned char *md);
-#endif
-/**
- * lws_b64_encode_string(): encode a string into base 64
- *
- * \param in: incoming buffer
- * \param in_len: length of incoming buffer
- * \param out: result buffer
- * \param out_size: length of result buffer
- *
- * Encodes a string using b64
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_b64_encode_string(const char *in, int in_len, char *out, int out_size);
-/**
- * lws_b64_encode_string_url(): encode a string into base 64
- *
- * \param in: incoming buffer
- * \param in_len: length of incoming buffer
- * \param out: result buffer
- * \param out_size: length of result buffer
- *
- * Encodes a string using b64 with the "URL" variant (+ -> -, and / -> _)
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_b64_encode_string_url(const char *in, int in_len, char *out, int out_size);
-/**
- * lws_b64_decode_string(): decode a string from base 64
- *
- * \param in: incoming buffer
- * \param out: result buffer
- * \param out_size: length of result buffer
- *
- * Decodes a NUL-terminated string using b64
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_b64_decode_string(const char *in, char *out, int out_size);
-/**
- * lws_b64_decode_string_len(): decode a string from base 64
- *
- * \param in: incoming buffer
- * \param in_len: length of incoming buffer
- * \param out: result buffer
- * \param out_size: length of result buffer
- *
- * Decodes a range of chars using b64
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_b64_decode_string_len(const char *in, int in_len, char *out, int out_size);
-///@}
-
-
-/*! \defgroup cgi cgi handling
- *
- * ##CGI handling
- *
- * These functions allow low-level control over stdin/out/err of the cgi.
- *
- * However for most cases, binding the cgi to http in and out, the default
- * lws implementation already does the right thing.
- */
-
-enum lws_enum_stdinouterr {
-	LWS_STDIN = 0,
-	LWS_STDOUT = 1,
-	LWS_STDERR = 2,
-};
-
-enum lws_cgi_hdr_state {
-	LCHS_HEADER,
-	LCHS_CR1,
-	LCHS_LF1,
-	LCHS_CR2,
-	LCHS_LF2,
-	LHCS_RESPONSE,
-	LHCS_DUMP_HEADERS,
-	LHCS_PAYLOAD,
-	LCHS_SINGLE_0A,
-};
-
-struct lws_cgi_args {
-	struct lws **stdwsi; /**< get fd with lws_get_socket_fd() */
-	enum lws_enum_stdinouterr ch; /**< channel index */
-	unsigned char *data; /**< for messages with payload */
-	enum lws_cgi_hdr_state hdr_state; /**< track where we are in cgi headers */
-	int len; /**< length */
-};
-
-#ifdef LWS_WITH_CGI
-/**
- * lws_cgi: spawn network-connected cgi process
- *
- * \param wsi: connection to own the process
- * \param exec_array: array of "exec-name" "arg1" ... "argn" NULL
- * \param script_uri_path_len: how many chars on the left of the uri are the
- *        path to the cgi, or -1 to spawn without URL-related env vars
- * \param timeout_secs: seconds script should be allowed to run
- * \param mp_cgienv: pvo list with per-vhost cgi options to put in env
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_cgi(struct lws *wsi, const char * const *exec_array,
-	int script_uri_path_len, int timeout_secs,
-	const struct lws_protocol_vhost_options *mp_cgienv);
-
-/**
- * lws_cgi_write_split_stdout_headers: write cgi output accounting for header part
- *
- * \param wsi: connection to own the process
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_cgi_write_split_stdout_headers(struct lws *wsi);
-
-/**
- * lws_cgi_kill: terminate cgi process associated with wsi
- *
- * \param wsi: connection to own the process
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_cgi_kill(struct lws *wsi);
-
-/**
- * lws_cgi_get_stdwsi: get wsi for stdin, stdout, or stderr
- *
- * \param wsi: parent wsi that has cgi
- * \param ch: which of LWS_STDIN, LWS_STDOUT or LWS_STDERR
- */
-LWS_VISIBLE LWS_EXTERN struct lws *
-lws_cgi_get_stdwsi(struct lws *wsi, enum lws_enum_stdinouterr ch);
-
-#endif
-///@}
-
-
-/*! \defgroup fops file operation wrapping
- *
- * ##File operation wrapping
- *
- * Use these helper functions if you want to access a file from the perspective
- * of a specific wsi, which is usually the case.  If you just want contextless
- * file access, use the fops callbacks directly with NULL wsi instead of these
- * helpers.
- *
- * If so, then it calls the platform handler or user overrides where present
- * (as defined in info->fops)
- *
- * The advantage from all this is user code can be portable for file operations
- * without having to deal with differences between platforms.
- */
-//@{
-
-/** struct lws_plat_file_ops - Platform-specific file operations
- *
- * These provide platform-agnostic ways to deal with filesystem access in the
- * library and in the user code.
- */
-
-#if defined(LWS_WITH_ESP32)
-/* sdk preprocessor defs? compiler issue? gets confused with member names */
-#define LWS_FOP_OPEN		_open
-#define LWS_FOP_CLOSE		_close
-#define LWS_FOP_SEEK_CUR	_seek_cur
-#define LWS_FOP_READ		_read
-#define LWS_FOP_WRITE		_write
-#else
-#define LWS_FOP_OPEN		open
-#define LWS_FOP_CLOSE		close
-#define LWS_FOP_SEEK_CUR	seek_cur
-#define LWS_FOP_READ		read
-#define LWS_FOP_WRITE		write
-#endif
-
-#define LWS_FOP_FLAGS_MASK		   ((1 << 23) - 1)
-#define LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP (1 << 24)
-#define LWS_FOP_FLAG_COMPR_IS_GZIP	   (1 << 25)
-#define LWS_FOP_FLAG_MOD_TIME_VALID	   (1 << 26)
-#define LWS_FOP_FLAG_VIRTUAL		   (1 << 27)
-
-struct lws_plat_file_ops;
-
-struct lws_fop_fd {
-	lws_filefd_type			fd;
-	/**< real file descriptor related to the file... */
-	const struct lws_plat_file_ops	*fops;
-	/**< fops that apply to this fop_fd */
-	void				*filesystem_priv;
-	/**< ignored by lws; owned by the fops handlers */
-	lws_filepos_t			pos;
-	/**< generic "position in file" */
-	lws_filepos_t			len;
-	/**< generic "length of file" */
-	lws_fop_flags_t			flags;
-	/**< copy of the returned flags */
-	uint32_t			mod_time;
-	/**< optional "modification time of file", only valid if .open()
-	 * set the LWS_FOP_FLAG_MOD_TIME_VALID flag */
-};
-typedef struct lws_fop_fd *lws_fop_fd_t;
-
-struct lws_fops_index {
-	const char *sig;	/* NULL or vfs signature, eg, ".zip/" */
-	uint8_t len;		/* length of above string */
-};
-
-struct lws_plat_file_ops {
-	lws_fop_fd_t (*LWS_FOP_OPEN)(const struct lws_plat_file_ops *fops,
-				     const char *filename, const char *vpath,
-				     lws_fop_flags_t *flags);
-	/**< Open file (always binary access if plat supports it)
-	 * vpath may be NULL, or if the fops understands it, the point at which
-	 * the filename's virtual part starts.
-	 * *flags & LWS_FOP_FLAGS_MASK should be set to O_RDONLY or O_RDWR.
-	 * If the file may be gzip-compressed,
-	 * LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP is set.  If it actually is
-	 * gzip-compressed, then the open handler should OR
-	 * LWS_FOP_FLAG_COMPR_IS_GZIP on to *flags before returning.
-	 */
-	int (*LWS_FOP_CLOSE)(lws_fop_fd_t *fop_fd);
-	/**< close file AND set the pointer to NULL */
-	lws_fileofs_t (*LWS_FOP_SEEK_CUR)(lws_fop_fd_t fop_fd,
-					  lws_fileofs_t offset_from_cur_pos);
-	/**< seek from current position */
-	int (*LWS_FOP_READ)(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-			    uint8_t *buf, lws_filepos_t len);
-	/**< Read from file, on exit *amount is set to amount actually read */
-	int (*LWS_FOP_WRITE)(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-			     uint8_t *buf, lws_filepos_t len);
-	/**< Write to file, on exit *amount is set to amount actually written */
-
-	struct lws_fops_index fi[3];
-	/**< vfs path signatures implying use of this fops */
-
-	const struct lws_plat_file_ops *next;
-	/**< NULL or next fops in list */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-};
-
-/**
- * lws_get_fops() - get current file ops
- *
- * \param context: context
- */
-LWS_VISIBLE LWS_EXTERN struct lws_plat_file_ops * LWS_WARN_UNUSED_RESULT
-lws_get_fops(struct lws_context *context);
-LWS_VISIBLE LWS_EXTERN void
-lws_set_fops(struct lws_context *context, const struct lws_plat_file_ops *fops);
-/**
- * lws_vfs_tell() - get current file position
- *
- * \param fop_fd: fop_fd we are asking about
- */
-LWS_VISIBLE LWS_EXTERN lws_filepos_t LWS_WARN_UNUSED_RESULT
-lws_vfs_tell(lws_fop_fd_t fop_fd);
-/**
- * lws_vfs_get_length() - get current file total length in bytes
- *
- * \param fop_fd: fop_fd we are asking about
- */
-LWS_VISIBLE LWS_EXTERN lws_filepos_t LWS_WARN_UNUSED_RESULT
-lws_vfs_get_length(lws_fop_fd_t fop_fd);
-/**
- * lws_vfs_get_mod_time() - get time file last modified
- *
- * \param fop_fd: fop_fd we are asking about
- */
-LWS_VISIBLE LWS_EXTERN uint32_t LWS_WARN_UNUSED_RESULT
-lws_vfs_get_mod_time(lws_fop_fd_t fop_fd);
-/**
- * lws_vfs_file_seek_set() - seek relative to start of file
- *
- * \param fop_fd: fop_fd we are seeking in
- * \param offset: offset from start of file
- */
-LWS_VISIBLE LWS_EXTERN lws_fileofs_t
-lws_vfs_file_seek_set(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
-/**
- * lws_vfs_file_seek_end() - seek relative to end of file
- *
- * \param fop_fd: fop_fd we are seeking in
- * \param offset: offset from start of file
- */
-LWS_VISIBLE LWS_EXTERN lws_fileofs_t
-lws_vfs_file_seek_end(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
-
-extern struct lws_plat_file_ops fops_zip;
-
-/**
- * lws_plat_file_open() - open vfs filepath
- *
- * \param fops: file ops struct that applies to this descriptor
- * \param vfs_path: filename to open
- * \param flags: pointer to open flags
- *
- * The vfs_path is scanned for known fops signatures, and the open directed
- * to any matching fops open.
- *
- * User code should use this api to perform vfs opens.
- *
- * returns semi-opaque handle
- */
-LWS_VISIBLE LWS_EXTERN lws_fop_fd_t LWS_WARN_UNUSED_RESULT
-lws_vfs_file_open(const struct lws_plat_file_ops *fops, const char *vfs_path,
-		  lws_fop_flags_t *flags);
-
-/**
- * lws_plat_file_close() - close file
- *
- * \param fop_fd: file handle to close
- */
-static LWS_INLINE int
-lws_vfs_file_close(lws_fop_fd_t *fop_fd)
-{
-	return (*fop_fd)->fops->LWS_FOP_CLOSE(fop_fd);
-}
-
-/**
- * lws_plat_file_seek_cur() - close file
- *
- *
- * \param fop_fd: file handle
- * \param offset: position to seek to
- */
-static LWS_INLINE lws_fileofs_t
-lws_vfs_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
-{
-	return fop_fd->fops->LWS_FOP_SEEK_CUR(fop_fd, offset);
-}
-/**
- * lws_plat_file_read() - read from file
- *
- * \param fop_fd: file handle
- * \param amount: how much to read (rewritten by call)
- * \param buf: buffer to write to
- * \param len: max length
- */
-static LWS_INLINE int LWS_WARN_UNUSED_RESULT
-lws_vfs_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		   uint8_t *buf, lws_filepos_t len)
-{
-	return fop_fd->fops->LWS_FOP_READ(fop_fd, amount, buf, len);
-}
-/**
- * lws_plat_file_write() - write from file
- *
- * \param fop_fd: file handle
- * \param amount: how much to write (rewritten by call)
- * \param buf: buffer to read from
- * \param len: max length
- */
-static LWS_INLINE int LWS_WARN_UNUSED_RESULT
-lws_vfs_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		    uint8_t *buf, lws_filepos_t len)
-{
-	return fop_fd->fops->LWS_FOP_WRITE(fop_fd, amount, buf, len);
-}
-
-/* these are the platform file operations implementations... they can
- * be called directly and used in fops arrays
- */
-
-LWS_VISIBLE LWS_EXTERN lws_fop_fd_t
-_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
-		    const char *vpath, lws_fop_flags_t *flags);
-LWS_VISIBLE LWS_EXTERN int
-_lws_plat_file_close(lws_fop_fd_t *fop_fd);
-LWS_VISIBLE LWS_EXTERN lws_fileofs_t
-_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset);
-LWS_VISIBLE LWS_EXTERN int
-_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		    uint8_t *buf, lws_filepos_t len);
-LWS_VISIBLE LWS_EXTERN int
-_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		     uint8_t *buf, lws_filepos_t len);
-
-LWS_VISIBLE LWS_EXTERN int
-lws_alloc_vfs_file(struct lws_context *context, const char *filename,
-		   uint8_t **buf, lws_filepos_t *amount);
-//@}
-
-/** \defgroup smtp SMTP related functions
- * ##SMTP related functions
- * \ingroup lwsapi
- *
- * These apis let you communicate with a local SMTP server to send email from
- * lws.  It handles all the SMTP sequencing and protocol actions.
- *
- * Your system should have postfix, sendmail or another MTA listening on port
- * 25 and able to send email using the "mail" commandline app.  Usually distro
- * MTAs are configured for this by default.
- *
- * It runs via its own libuv events if initialized (which requires giving it
- * a libuv loop to attach to).
- *
- * It operates using three callbacks, on_next() queries if there is a new email
- * to send, on_get_body() asks for the body of the email, and on_sent() is
- * called after the email is successfully sent.
- *
- * To use it
- *
- *  - create an lws_email struct
- *
- *  - initialize data, loop, the email_* strings, max_content_size and
- *    the callbacks
- *
- *  - call lws_email_init()
- *
- *  When you have at least one email to send, call lws_email_check() to
- *  schedule starting to send it.
- */
-//@{
-#ifdef LWS_WITH_SMTP
-
-/** enum lwsgs_smtp_states - where we are in SMTP protocol sequence */
-enum lwsgs_smtp_states {
-	LGSSMTP_IDLE, /**< awaiting new email */
-	LGSSMTP_CONNECTING, /**< opening tcp connection to MTA */
-	LGSSMTP_CONNECTED, /**< tcp connection to MTA is connected */
-	LGSSMTP_SENT_HELO, /**< sent the HELO */
-	LGSSMTP_SENT_FROM, /**< sent FROM */
-	LGSSMTP_SENT_TO, /**< sent TO */
-	LGSSMTP_SENT_DATA, /**< sent DATA request */
-	LGSSMTP_SENT_BODY, /**< sent the email body */
-	LGSSMTP_SENT_QUIT, /**< sent the session quit */
-};
-
-/** struct lws_email - abstract context for performing SMTP operations */
-struct lws_email {
-	void *data;
-	/**< opaque pointer set by user code and available to the callbacks */
-	uv_loop_t *loop;
-	/**< the libuv loop we will work on */
-
-	char email_smtp_ip[32]; /**< Fill before init, eg, "127.0.0.1" */
-	char email_helo[32];	/**< Fill before init, eg, "myserver.com" */
-	char email_from[100];	/**< Fill before init or on_next */
-	char email_to[100];	/**< Fill before init or on_next */
-
-	unsigned int max_content_size;
-	/**< largest possible email body size */
-
-	/* Fill all the callbacks before init */
-
-	int (*on_next)(struct lws_email *email);
-	/**< (Fill in before calling lws_email_init)
-	 * called when idle, 0 = another email to send, nonzero is idle.
-	 * If you return 0, all of the email_* char arrays must be set
-	 * to something useful. */
-	int (*on_sent)(struct lws_email *email);
-	/**< (Fill in before calling lws_email_init)
-	 * called when transfer of the email to the SMTP server was
-	 * successful, your callback would remove the current email
-	 * from its queue */
-	int (*on_get_body)(struct lws_email *email, char *buf, int len);
-	/**< (Fill in before calling lws_email_init)
-	 * called when the body part of the queued email is about to be
-	 * sent to the SMTP server. */
-
-
-	/* private things */
-	uv_timer_t timeout_email; /**< private */
-	enum lwsgs_smtp_states estate; /**< private */
-	uv_connect_t email_connect_req; /**< private */
-	uv_tcp_t email_client; /**< private */
-	time_t email_connect_started; /**< private */
-	char email_buf[256]; /**< private */
-	char *content; /**< private */
-};
-
-/**
- * lws_email_init() - Initialize a struct lws_email
- *
- * \param email: struct lws_email to init
- * \param loop: libuv loop to use
- * \param max_content: max email content size
- *
- * Prepares a struct lws_email for use ending SMTP
- */
-LWS_VISIBLE LWS_EXTERN int
-lws_email_init(struct lws_email *email, uv_loop_t *loop, int max_content);
-
-/**
- * lws_email_check() - Request check for new email
- *
- * \param email: struct lws_email context to check
- *
- * Schedules a check for new emails in 1s... call this when you have queued an
- * email for send.
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_email_check(struct lws_email *email);
-/**
- * lws_email_destroy() - stop using the struct lws_email
- *
- * \param email: the struct lws_email context
- *
- * Stop sending email using email and free allocations
- */
-LWS_VISIBLE LWS_EXTERN void
-lws_email_destroy(struct lws_email *email);
-
-#endif
-//@}
-
-
-/** \defgroup lejp JSON parser
- * ##JSON parsing related functions
- * \ingroup lwsapi
- *
- * LEJP is an extremely lightweight JSON stream parser included in lws.
- */
-//@{
-struct lejp_ctx;
-
-#define LWS_ARRAY_SIZE(_x) (sizeof(_x) / sizeof(_x[0]))
-#define LEJP_FLAG_WS_KEEP 64
-#define LEJP_FLAG_WS_COMMENTLINE 32
-
-enum lejp_states {
-	LEJP_IDLE = 0,
-	LEJP_MEMBERS = 1,
-	LEJP_M_P = 2,
-	LEJP_MP_STRING = LEJP_FLAG_WS_KEEP | 3,
-	LEJP_MP_STRING_ESC = LEJP_FLAG_WS_KEEP | 4,
-	LEJP_MP_STRING_ESC_U1 = LEJP_FLAG_WS_KEEP | 5,
-	LEJP_MP_STRING_ESC_U2 = LEJP_FLAG_WS_KEEP | 6,
-	LEJP_MP_STRING_ESC_U3 = LEJP_FLAG_WS_KEEP | 7,
-	LEJP_MP_STRING_ESC_U4 = LEJP_FLAG_WS_KEEP | 8,
-	LEJP_MP_DELIM = 9,
-	LEJP_MP_VALUE = 10,
-	LEJP_MP_VALUE_NUM_INT = LEJP_FLAG_WS_KEEP | 11,
-	LEJP_MP_VALUE_NUM_EXP = LEJP_FLAG_WS_KEEP | 12,
-	LEJP_MP_VALUE_TOK = LEJP_FLAG_WS_KEEP | 13,
-	LEJP_MP_COMMA_OR_END = 14,
-	LEJP_MP_ARRAY_END = 15,
-};
-
-enum lejp_reasons {
-	LEJP_CONTINUE = -1,
-	LEJP_REJECT_IDLE_NO_BRACE = -2,
-	LEJP_REJECT_MEMBERS_NO_CLOSE = -3,
-	LEJP_REJECT_MP_NO_OPEN_QUOTE = -4,
-	LEJP_REJECT_MP_STRING_UNDERRUN = -5,
-	LEJP_REJECT_MP_ILLEGAL_CTRL = -6,
-	LEJP_REJECT_MP_STRING_ESC_ILLEGAL_ESC = -7,
-	LEJP_REJECT_ILLEGAL_HEX = -8,
-	LEJP_REJECT_MP_DELIM_MISSING_COLON = -9,
-	LEJP_REJECT_MP_DELIM_BAD_VALUE_START = -10,
-	LEJP_REJECT_MP_VAL_NUM_INT_NO_FRAC = -11,
-	LEJP_REJECT_MP_VAL_NUM_FORMAT = -12,
-	LEJP_REJECT_MP_VAL_NUM_EXP_BAD_EXP = -13,
-	LEJP_REJECT_MP_VAL_TOK_UNKNOWN = -14,
-	LEJP_REJECT_MP_C_OR_E_UNDERF = -15,
-	LEJP_REJECT_MP_C_OR_E_NOTARRAY = -16,
-	LEJP_REJECT_MP_ARRAY_END_MISSING = -17,
-	LEJP_REJECT_STACK_OVERFLOW = -18,
-	LEJP_REJECT_MP_DELIM_ISTACK = -19,
-	LEJP_REJECT_NUM_TOO_LONG = -20,
-	LEJP_REJECT_MP_C_OR_E_NEITHER = -21,
-	LEJP_REJECT_UNKNOWN = -22,
-	LEJP_REJECT_CALLBACK = -23
-};
-
-#define LEJP_FLAG_CB_IS_VALUE 64
-
-enum lejp_callbacks {
-	LEJPCB_CONSTRUCTED	= 0,
-	LEJPCB_DESTRUCTED	= 1,
-
-	LEJPCB_START		= 2,
-	LEJPCB_COMPLETE		= 3,
-	LEJPCB_FAILED		= 4,
-
-	LEJPCB_PAIR_NAME	= 5,
-
-	LEJPCB_VAL_TRUE		= LEJP_FLAG_CB_IS_VALUE | 6,
-	LEJPCB_VAL_FALSE	= LEJP_FLAG_CB_IS_VALUE | 7,
-	LEJPCB_VAL_NULL		= LEJP_FLAG_CB_IS_VALUE | 8,
-	LEJPCB_VAL_NUM_INT	= LEJP_FLAG_CB_IS_VALUE | 9,
-	LEJPCB_VAL_NUM_FLOAT	= LEJP_FLAG_CB_IS_VALUE | 10,
-	LEJPCB_VAL_STR_START	= 11, /* notice handle separately */
-	LEJPCB_VAL_STR_CHUNK	= LEJP_FLAG_CB_IS_VALUE | 12,
-	LEJPCB_VAL_STR_END	= LEJP_FLAG_CB_IS_VALUE | 13,
-
-	LEJPCB_ARRAY_START	= 14,
-	LEJPCB_ARRAY_END	= 15,
-
-	LEJPCB_OBJECT_START	= 16,
-	LEJPCB_OBJECT_END	= 17
-};
-
-/**
- * _lejp_callback() - User parser actions
- * \param ctx:	LEJP context
- * \param reason:	Callback reason
- *
- *	Your user callback is associated with the context at construction time,
- *	and receives calls as the parsing progresses.
- *
- *	All of the callbacks may be ignored and just return 0.
- *
- *	The reasons it might get called, found in @reason, are:
- *
- *  LEJPCB_CONSTRUCTED:  The context was just constructed... you might want to
- *		perform one-time allocation for the life of the context.
- *
- *  LEJPCB_DESTRUCTED:	The context is being destructed... if you made any
- *		allocations at construction-time, you can free them now
- *
- *  LEJPCB_START:	Parsing is beginning at the first byte of input
- *
- *  LEJPCB_COMPLETE:	Parsing has completed successfully.  You'll get a 0 or
- *			positive return code from lejp_parse indicating the
- *			amount of unused bytes left in the input buffer
- *
- *  LEJPCB_FAILED:	Parsing failed.  You'll get a negative error code
- *  			returned from lejp_parse
- *
- *  LEJPCB_PAIR_NAME:	When a "name":"value" pair has had the name parsed,
- *			this callback occurs.  You can find the new name at
- *			the end of ctx->path[]
- *
- *  LEJPCB_VAL_TRUE:	The "true" value appeared
- *
- *  LEJPCB_VAL_FALSE:	The "false" value appeared
- *
- *  LEJPCB_VAL_NULL:	The "null" value appeared
- *
- *  LEJPCB_VAL_NUM_INT:	A string representing an integer is in ctx->buf
- *
- *  LEJPCB_VAL_NUM_FLOAT: A string representing a float is in ctx->buf
- *
- *  LEJPCB_VAL_STR_START: We are starting to parse a string, no data yet
- *
- *  LEJPCB_VAL_STR_CHUNK: We parsed LEJP_STRING_CHUNK -1 bytes of string data in
- *			ctx->buf, which is as much as we can buffer, so we are
- *			spilling it.  If all your strings are less than
- *			LEJP_STRING_CHUNK - 1 bytes, you will never see this
- *			callback.
- *
- *  LEJPCB_VAL_STR_END:	String parsing has completed, the last chunk of the
- *			string is in ctx->buf.
- *
- *  LEJPCB_ARRAY_START:	An array started
- *
- *  LEJPCB_ARRAY_END:	An array ended
- *
- *  LEJPCB_OBJECT_START: An object started
- *
- *  LEJPCB_OBJECT_END:	An object ended
- */
-LWS_EXTERN signed char _lejp_callback(struct lejp_ctx *ctx, char reason);
-
-typedef signed char (*lejp_callback)(struct lejp_ctx *ctx, char reason);
-
-#ifndef LEJP_MAX_DEPTH
-#define LEJP_MAX_DEPTH 12
-#endif
-#ifndef LEJP_MAX_INDEX_DEPTH
-#define LEJP_MAX_INDEX_DEPTH 5
-#endif
-#ifndef LEJP_MAX_PATH
-#define LEJP_MAX_PATH 128
-#endif
-#ifndef LEJP_STRING_CHUNK
-/* must be >= 30 to assemble floats */
-#define LEJP_STRING_CHUNK 254
-#endif
-
-enum num_flags {
-	LEJP_SEEN_MINUS = (1 << 0),
-	LEJP_SEEN_POINT = (1 << 1),
-	LEJP_SEEN_POST_POINT = (1 << 2),
-	LEJP_SEEN_EXP = (1 << 3)
-};
-
-struct _lejp_stack {
-	char s; /* lejp_state stack*/
-	char p;	/* path length */
-	char i; /* index array length */
-	char b; /* user bitfield */
-};
-
-struct lejp_ctx {
-
-	/* sorted by type for most compact alignment
-	 *
-	 * pointers
-	 */
-
-	signed char (*callback)(struct lejp_ctx *ctx, char reason);
-	void *user;
-	const char * const *paths;
-
-	/* arrays */
-
-	struct _lejp_stack st[LEJP_MAX_DEPTH];
-	uint16_t i[LEJP_MAX_INDEX_DEPTH]; /* index array */
-	uint16_t wild[LEJP_MAX_INDEX_DEPTH]; /* index array */
-	char path[LEJP_MAX_PATH];
-	char buf[LEJP_STRING_CHUNK + 1];
-
-	/* int */
-
-	uint32_t line;
-
-	/* short */
-
-	uint16_t uni;
-
-	/* char */
-
-	uint8_t npos;
-	uint8_t dcount;
-	uint8_t f;
-	uint8_t sp; /* stack head */
-	uint8_t ipos; /* index stack depth */
-	uint8_t ppos;
-	uint8_t count_paths;
-	uint8_t path_match;
-	uint8_t path_match_len;
-	uint8_t wildcount;
-};
-
-LWS_VISIBLE LWS_EXTERN void
-lejp_construct(struct lejp_ctx *ctx,
-	       signed char (*callback)(struct lejp_ctx *ctx, char reason),
-	       void *user, const char * const *paths, unsigned char paths_count);
-
-LWS_VISIBLE LWS_EXTERN void
-lejp_destruct(struct lejp_ctx *ctx);
-
-LWS_VISIBLE LWS_EXTERN int
-lejp_parse(struct lejp_ctx *ctx, const unsigned char *json, int len);
-
-LWS_VISIBLE LWS_EXTERN void
-lejp_change_callback(struct lejp_ctx *ctx,
-		     signed char (*callback)(struct lejp_ctx *ctx, char reason));
-
-LWS_VISIBLE LWS_EXTERN int
-lejp_get_wildcard(struct lejp_ctx *ctx, int wildcard, char *dest, int len);
-//@}
-
-/*
- * Stats are all uint64_t numbers that start at 0.
- * Index names here have the convention
- *
- *  _C_ counter
- *  _B_ byte count
- *  _MS_ millisecond count
- */
-
-enum {
-	LWSSTATS_C_CONNECTIONS, /**< count incoming connections */
-	LWSSTATS_C_API_CLOSE, /**< count calls to close api */
-	LWSSTATS_C_API_READ, /**< count calls to read from socket api */
-	LWSSTATS_C_API_LWS_WRITE, /**< count calls to lws_write API */
-	LWSSTATS_C_API_WRITE, /**< count calls to write API */
-	LWSSTATS_C_WRITE_PARTIALS, /**< count of partial writes */
-	LWSSTATS_C_WRITEABLE_CB_REQ, /**< count of writable callback requests */
-	LWSSTATS_C_WRITEABLE_CB_EFF_REQ, /**< count of effective writable callback requests */
-	LWSSTATS_C_WRITEABLE_CB, /**< count of writable callbacks */
-	LWSSTATS_C_SSL_CONNECTIONS_FAILED, /**< count of failed SSL connections */
-	LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED, /**< count of accepted SSL connections */
-	LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN, /**< count of SSL_accept() attempts */
-	LWSSTATS_C_SSL_CONNS_HAD_RX, /**< count of accepted SSL conns that have had some RX */
-	LWSSTATS_C_TIMEOUTS, /**< count of timed-out connections */
-	LWSSTATS_C_SERVICE_ENTRY, /**< count of entries to lws service loop */
-	LWSSTATS_B_READ, /**< aggregate bytes read */
-	LWSSTATS_B_WRITE, /**< aggregate bytes written */
-	LWSSTATS_B_PARTIALS_ACCEPTED_PARTS, /**< aggreate of size of accepted write data from new partials */
-	LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY, /**< aggregate delay in accepting connection */
-	LWSSTATS_MS_WRITABLE_DELAY, /**< aggregate delay between asking for writable and getting cb */
-	LWSSTATS_MS_WORST_WRITABLE_DELAY, /**< single worst delay between asking for writable and getting cb */
-	LWSSTATS_MS_SSL_RX_DELAY, /**< aggregate delay between ssl accept complete and first RX */
-	LWSSTATS_C_PEER_LIMIT_AH_DENIED, /**< number of times we would have given an ah but for the peer limit */
-	LWSSTATS_C_PEER_LIMIT_WSI_DENIED, /**< number of times we would have given a wsi but for the peer limit */
-
-	/* Add new things just above here ---^
-	 * This is part of the ABI, don't needlessly break compatibility */
-	LWSSTATS_SIZE
-};
-
-#if defined(LWS_WITH_STATS)
-
-LWS_VISIBLE LWS_EXTERN uint64_t
-lws_stats_get(struct lws_context *context, int index);
-LWS_VISIBLE LWS_EXTERN void
-lws_stats_log_dump(struct lws_context *context);
-#else
-static LWS_INLINE uint64_t
-lws_stats_get(struct lws_context *context, int index) { (void)context; (void)index;  return 0; }
-static LWS_INLINE void
-lws_stats_log_dump(struct lws_context *context) { (void)context; }
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/thirdparty/libwebsockets/plat/lws-plat-unix.c b/thirdparty/libwebsockets/plat/lws-plat-unix.c
deleted file mode 100644
index 7dba3bd82f..0000000000
--- a/thirdparty/libwebsockets/plat/lws-plat-unix.c
+++ /dev/null
@@ -1,977 +0,0 @@
-/*
- * libwebsockets - small server side websockets and web server implementation
- *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation:
- *  version 2.1 of the License.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- *  MA  02110-1301  USA
- */
-
-#define _GNU_SOURCE
-#include "core/private.h"
-
-#include <pwd.h>
-#include <grp.h>
-
-#ifdef LWS_WITH_PLUGINS
-#include <dlfcn.h>
-#endif
-#include <dirent.h>
-
-void lws_plat_apply_FD_CLOEXEC(int n)
-{
-	if (n != -1)
-		fcntl(n, F_SETFD, FD_CLOEXEC );
-}
-
-int
-lws_plat_socket_offset(void)
-{
-	return 0;
-}
-
-int
-lws_plat_pipe_create(struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-
-#if defined(LWS_HAVE_PIPE2)
-	return pipe2(pt->dummy_pipe_fds, O_NONBLOCK);
-#else
-	return pipe(pt->dummy_pipe_fds);
-#endif
-}
-
-int
-lws_plat_pipe_signal(struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-	char buf = 0;
-	int n;
-
-	n = write(pt->dummy_pipe_fds[1], &buf, 1);
-
-	return n != 1;
-}
-
-void
-lws_plat_pipe_close(struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-
-	if (pt->dummy_pipe_fds[0] && pt->dummy_pipe_fds[0] != -1)
-		close(pt->dummy_pipe_fds[0]);
-	if (pt->dummy_pipe_fds[1] && pt->dummy_pipe_fds[1] != -1)
-		close(pt->dummy_pipe_fds[1]);
-
-	pt->dummy_pipe_fds[0] = pt->dummy_pipe_fds[1] = -1;
-}
-
-#ifdef __QNX__
-# include "netinet/tcp_var.h"
-# define TCP_KEEPINTVL TCPCTL_KEEPINTVL
-# define TCP_KEEPIDLE  TCPCTL_KEEPIDLE
-# define TCP_KEEPCNT   TCPCTL_KEEPCNT
-#endif
-
-unsigned long long time_in_microseconds(void)
-{
-	struct timeval tv;
-
-	gettimeofday(&tv, NULL);
-	return ((unsigned long long)tv.tv_sec * 1000000LL) + tv.tv_usec;
-}
-
-LWS_VISIBLE int
-lws_get_random(struct lws_context *context, void *buf, int len)
-{
-	return read(context->fd_random, (char *)buf, len);
-}
-
-LWS_VISIBLE int
-lws_send_pipe_choked(struct lws *wsi)
-{
-	struct lws_pollfd fds;
-	struct lws *wsi_eff = wsi;
-
-#if defined(LWS_WITH_HTTP2)
-	wsi_eff = lws_get_network_wsi(wsi);
-#endif
-
-	/* the fact we checked implies we avoided back-to-back writes */
-	wsi_eff->could_have_pending = 0;
-
-	/* treat the fact we got a truncated send pending as if we're choked */
-	if (wsi_eff->trunc_len)
-		return 1;
-
-	fds.fd = wsi_eff->desc.sockfd;
-	fds.events = POLLOUT;
-	fds.revents = 0;
-
-	if (poll(&fds, 1, 0) != 1)
-		return 1;
-
-	if ((fds.revents & POLLOUT) == 0)
-		return 1;
-
-	/* okay to send another packet without blocking */
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_poll_listen_fd(struct lws_pollfd *fd)
-{
-	return poll(fd, 1, 0);
-}
-
-LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
-{
-	int syslog_level = LOG_DEBUG;
-
-	switch (level) {
-	case LLL_ERR:
-		syslog_level = LOG_ERR;
-		break;
-	case LLL_WARN:
-		syslog_level = LOG_WARNING;
-		break;
-	case LLL_NOTICE:
-		syslog_level = LOG_NOTICE;
-		break;
-	case LLL_INFO:
-		syslog_level = LOG_INFO;
-		break;
-	}
-	syslog(syslog_level, "%s", line);
-}
-
-LWS_VISIBLE LWS_EXTERN int
-_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
-{
-	volatile struct lws_foreign_thread_pollfd *ftp, *next;
-	volatile struct lws_context_per_thread *vpt;
-	struct lws_context_per_thread *pt;
-	int n = -1, m, c;
-
-	/* stay dead once we are dead */
-
-	if (!context || !context->vhost_list)
-		return 1;
-
-	pt = &context->pt[tsi];
-	vpt = (volatile struct lws_context_per_thread *)pt;
-
-	lws_stats_atomic_bump(context, pt, LWSSTATS_C_SERVICE_ENTRY, 1);
-
-	if (timeout_ms < 0)
-		goto faked_service;
-
-	if (context->event_loop_ops->run_pt)
-		context->event_loop_ops->run_pt(context, tsi);
-
-	if (!context->service_tid_detected) {
-		struct lws _lws;
-
-		memset(&_lws, 0, sizeof(_lws));
-		_lws.context = context;
-
-		context->service_tid_detected =
-			context->vhost_list->protocols[0].callback(
-			&_lws, LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
-		context->service_tid = context->service_tid_detected;
-		context->service_tid_detected = 1;
-	}
-
-	/*
-	 * is there anybody with pending stuff that needs service forcing?
-	 */
-	if (!lws_service_adjust_timeout(context, 1, tsi)) {
-		/* -1 timeout means just do forced service */
-		_lws_plat_service_tsi(context, -1, pt->tid);
-		/* still somebody left who wants forced service? */
-		if (!lws_service_adjust_timeout(context, 1, pt->tid))
-			/* yes... come back again quickly */
-			timeout_ms = 0;
-	}
-
-	if (timeout_ms) {
-		lws_pt_lock(pt, __func__);
-		/* don't stay in poll wait longer than next hr timeout */
-		lws_usec_t t =  __lws_hrtimer_service(pt);
-		if ((lws_usec_t)timeout_ms * 1000 > t)
-			timeout_ms = t / 1000;
-		lws_pt_unlock(pt);
-	}
-
-	vpt->inside_poll = 1;
-	lws_memory_barrier();
-	n = poll(pt->fds, pt->fds_count, timeout_ms);
-	vpt->inside_poll = 0;
-	lws_memory_barrier();
-
-	/* Collision will be rare and brief.  Just spin until it completes */
-	while (vpt->foreign_spinlock)
-		;
-
-	/*
-	 * At this point we are not inside a foreign thread pollfd change,
-	 * and we have marked ourselves as outside the poll() wait.  So we
-	 * are the only guys that can modify the lws_foreign_thread_pollfd
-	 * list on the pt.  Drain the list and apply the changes to the
-	 * affected pollfds in the correct order.
-	 */
-
-	lws_pt_lock(pt, __func__);
-
-	ftp = vpt->foreign_pfd_list;
-	//lwsl_notice("cleared list %p\n", ftp);
-	while (ftp) {
-		struct lws *wsi;
-		struct lws_pollfd *pfd;
-
-		next = ftp->next;
-		pfd = &vpt->fds[ftp->fd_index];
-		if (lws_socket_is_valid(pfd->fd)) {
-			wsi = wsi_from_fd(context, pfd->fd);
-			if (wsi)
-				__lws_change_pollfd(wsi, ftp->_and, ftp->_or);
-		}
-		lws_free((void *)ftp);
-		ftp = next;
-	}
-	vpt->foreign_pfd_list = NULL;
-	lws_memory_barrier();
-
-	/* we have come out of a poll wait... check the hrtimer list */
-
-	__lws_hrtimer_service(pt);
-
-	lws_pt_unlock(pt);
-
-	m = 0;
-#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
-	m |= !!pt->ws.rx_draining_ext_list;
-#endif
-
-	if (pt->context->tls_ops &&
-	    pt->context->tls_ops->fake_POLLIN_for_buffered)
-		m |= pt->context->tls_ops->fake_POLLIN_for_buffered(pt);
-
-	if (!m && !n) { /* nothing to do */
-		lws_service_fd_tsi(context, NULL, tsi);
-		lws_service_do_ripe_rxflow(pt);
-
-		return 0;
-	}
-
-faked_service:
-	m = lws_service_flag_pending(context, tsi);
-	if (m)
-		c = -1; /* unknown limit */
-	else
-		if (n < 0) {
-			if (LWS_ERRNO != LWS_EINTR)
-				return -1;
-			return 0;
-		} else
-			c = n;
-
-	/* any socket with events to service? */
-	for (n = 0; n < (int)pt->fds_count && c; n++) {
-		if (!pt->fds[n].revents)
-			continue;
-
-		c--;
-
-		m = lws_service_fd_tsi(context, &pt->fds[n], tsi);
-		if (m < 0)
-			return -1;
-		/* if something closed, retry this slot */
-		if (m)
-			n--;
-	}
-
-	lws_service_do_ripe_rxflow(pt);
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_check_connection_error(struct lws *wsi)
-{
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_service(struct lws_context *context, int timeout_ms)
-{
-	return _lws_plat_service_tsi(context, timeout_ms, 0);
-}
-
-LWS_VISIBLE int
-lws_plat_set_socket_options(struct lws_vhost *vhost, int fd)
-{
-	int optval = 1;
-	socklen_t optlen = sizeof(optval);
-
-#if defined(__APPLE__) || \
-    defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
-    defined(__NetBSD__) || \
-    defined(__OpenBSD__) || \
-    defined(__HAIKU__)
-	struct protoent *tcp_proto;
-#endif
-
-	fcntl(fd, F_SETFD, FD_CLOEXEC);
-
-	if (vhost->ka_time) {
-		/* enable keepalive on this socket */
-		optval = 1;
-		if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
-			       (const void *)&optval, optlen) < 0)
-			return 1;
-
-#if defined(__APPLE__) || \
-    defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
-    defined(__NetBSD__) || \
-    defined(__CYGWIN__) || defined(__OpenBSD__) || defined (__sun) || \
-    defined(__HAIKU__)
-
-		/*
-		 * didn't find a way to set these per-socket, need to
-		 * tune kernel systemwide values
-		 */
-#else
-		/* set the keepalive conditions we want on it too */
-
-#if defined(LWS_HAVE_TCP_USER_TIMEOUT)
-		optval = 1000 * (vhost->ka_time +
-				 (vhost->ka_interval * vhost->ka_probes));
-		if (setsockopt(fd, IPPROTO_TCP, TCP_USER_TIMEOUT,
-			       (const void *)&optval, optlen) < 0)
-			return 1;
-#endif
-		optval = vhost->ka_time;
-		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE,
-			       (const void *)&optval, optlen) < 0)
-			return 1;
-
-		optval = vhost->ka_interval;
-		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL,
-			       (const void *)&optval, optlen) < 0)
-			return 1;
-
-		optval = vhost->ka_probes;
-		if (setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT,
-			       (const void *)&optval, optlen) < 0)
-			return 1;
-#endif
-	}
-
-#if defined(SO_BINDTODEVICE)
-	if (vhost->bind_iface && vhost->iface) {
-		lwsl_info("binding listen skt to %s using SO_BINDTODEVICE\n", vhost->iface);
-		if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, vhost->iface,
-				strlen(vhost->iface)) < 0) {
-			lwsl_warn("Failed to bind to device %s\n", vhost->iface);
-			return 1;
-		}
-	}
-#endif
-
-	/* Disable Nagle */
-	optval = 1;
-#if defined (__sun) || defined(__QNX__)
-	if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0)
-		return 1;
-#elif !defined(__APPLE__) && \
-      !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) &&        \
-      !defined(__NetBSD__) && \
-      !defined(__OpenBSD__) && \
-      !defined(__HAIKU__)
-	if (setsockopt(fd, SOL_TCP, TCP_NODELAY, (const void *)&optval, optlen) < 0)
-		return 1;
-#else
-	tcp_proto = getprotobyname("TCP");
-	if (setsockopt(fd, tcp_proto->p_proto, TCP_NODELAY, &optval, optlen) < 0)
-		return 1;
-#endif
-
-	/* We are nonblocking... */
-	if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
-		return 1;
-
-	return 0;
-}
-
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-static void
-_lws_plat_apply_caps(int mode, const cap_value_t *cv, int count)
-{
-	cap_t caps;
-
-	if (!count)
-		return;
-
-	caps = cap_get_proc();
-
-	cap_set_flag(caps, mode, count, cv, CAP_SET);
-	cap_set_proc(caps);
-	prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);
-	cap_free(caps);
-}
-#endif
-
-LWS_VISIBLE void
-lws_plat_drop_app_privileges(const struct lws_context_creation_info *info)
-{
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-	int n;
-#endif
-
-	if (info->gid && info->gid != -1)
-		if (setgid(info->gid))
-			lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO));
-
-	if (info->uid && info->uid != -1) {
-		struct passwd *p = getpwuid(info->uid);
-
-		if (p) {
-
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-			_lws_plat_apply_caps(CAP_PERMITTED, info->caps, info->count_caps);
-#endif
-
-			initgroups(p->pw_name, info->gid);
-			if (setuid(info->uid))
-				lwsl_warn("setuid: %s\n", strerror(LWS_ERRNO));
-			else
-				lwsl_notice("Set privs to user '%s'\n", p->pw_name);
-
-#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
-			_lws_plat_apply_caps(CAP_EFFECTIVE, info->caps, info->count_caps);
-
-			if (info->count_caps)
-				for (n = 0; n < info->count_caps; n++)
-					lwsl_notice("   RETAINING CAPABILITY %d\n", (int)info->caps[n]);
-#endif
-
-		} else
-			lwsl_warn("getpwuid: unable to find uid %d", info->uid);
-	}
-}
-
-#ifdef LWS_WITH_PLUGINS
-
-#if defined(LWS_WITH_LIBUV) && UV_VERSION_MAJOR > 0
-
-/* libuv.c implements these in a cross-platform way */
-
-#else
-
-static int filter(const struct dirent *ent)
-{
-	if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
-		return 0;
-
-	return 1;
-}
-
-LWS_VISIBLE int
-lws_plat_plugins_init(struct lws_context * context, const char * const *d)
-{
-	struct lws_plugin_capability lcaps;
-	struct lws_plugin *plugin;
-	lws_plugin_init_func initfunc;
-	struct dirent **namelist;
-	int n, i, m, ret = 0;
-	char path[256];
-	void *l;
-
-	lwsl_notice("  Plugins:\n");
-
-	while (d && *d) {
-		n = scandir(*d, &namelist, filter, alphasort);
-		if (n < 0) {
-			lwsl_err("Scandir on %s failed\n", *d);
-			return 1;
-		}
-
-		for (i = 0; i < n; i++) {
-			if (strlen(namelist[i]->d_name) < 7)
-				goto inval;
-
-			lwsl_notice("   %s\n", namelist[i]->d_name);
-
-			lws_snprintf(path, sizeof(path) - 1, "%s/%s", *d,
-				 namelist[i]->d_name);
-			l = dlopen(path, RTLD_NOW);
-			if (!l) {
-				lwsl_err("Error loading DSO: %s\n", dlerror());
-				while (i++ < n)
-					free(namelist[i]);
-				goto bail;
-			}
-			/* we could open it, can we get his init function? */
-			m = lws_snprintf(path, sizeof(path) - 1, "init_%s",
-				     namelist[i]->d_name + 3 /* snip lib... */);
-			path[m - 3] = '\0'; /* snip the .so */
-			initfunc = dlsym(l, path);
-			if (!initfunc) {
-				lwsl_err("Failed to get init on %s: %s",
-						namelist[i]->d_name, dlerror());
-				dlclose(l);
-			}
-			lcaps.api_magic = LWS_PLUGIN_API_MAGIC;
-			m = initfunc(context, &lcaps);
-			if (m) {
-				lwsl_err("Initializing %s failed %d\n",
-					namelist[i]->d_name, m);
-				dlclose(l);
-				goto skip;
-			}
-
-			plugin = lws_malloc(sizeof(*plugin), "plugin");
-			if (!plugin) {
-				lwsl_err("OOM\n");
-				goto bail;
-			}
-			plugin->list = context->plugin_list;
-			context->plugin_list = plugin;
-			lws_strncpy(plugin->name, namelist[i]->d_name,
-				    sizeof(plugin->name));
-			plugin->l = l;
-			plugin->caps = lcaps;
-			context->plugin_protocol_count += lcaps.count_protocols;
-			context->plugin_extension_count += lcaps.count_extensions;
-
-			free(namelist[i]);
-			continue;
-
-	skip:
-			dlclose(l);
-	inval:
-			free(namelist[i]);
-		}
-		free(namelist);
-		d++;
-	}
-
-bail:
-	free(namelist);
-
-	return ret;
-}
-
-LWS_VISIBLE int
-lws_plat_plugins_destroy(struct lws_context * context)
-{
-	struct lws_plugin *plugin = context->plugin_list, *p;
-	lws_plugin_destroy_func func;
-	char path[256];
-	int m;
-
-	if (!plugin)
-		return 0;
-
-	lwsl_notice("%s\n", __func__);
-
-	while (plugin) {
-		p = plugin;
-		m = lws_snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + 3);
-		path[m - 3] = '\0';
-		func = dlsym(plugin->l, path);
-		if (!func) {
-			lwsl_err("Failed to get destroy on %s: %s",
-					plugin->name, dlerror());
-			goto next;
-		}
-		m = func(context);
-		if (m)
-			lwsl_err("Initializing %s failed %d\n",
-				plugin->name, m);
-next:
-		dlclose(p->l);
-		plugin = p->list;
-		p->list = NULL;
-		free(p);
-	}
-
-	context->plugin_list = NULL;
-
-	return 0;
-}
-
-#endif
-#endif
-
-
-#if 0
-static void
-sigabrt_handler(int x)
-{
-	printf("%s\n", __func__);
-}
-#endif
-
-LWS_VISIBLE int
-lws_plat_context_early_init(void)
-{
-#if !defined(LWS_AVOID_SIGPIPE_IGN)
-	signal(SIGPIPE, SIG_IGN);
-#endif
-
-	return 0;
-}
-
-LWS_VISIBLE void
-lws_plat_context_early_destroy(struct lws_context *context)
-{
-}
-
-LWS_VISIBLE void
-lws_plat_context_late_destroy(struct lws_context *context)
-{
-#ifdef LWS_WITH_PLUGINS
-	if (context->plugin_list)
-		lws_plat_plugins_destroy(context);
-#endif
-
-	if (context->lws_lookup)
-		lws_free(context->lws_lookup);
-
-	if (!context->fd_random)
-		lwsl_err("ZERO RANDOM FD\n");
-	if (context->fd_random != LWS_INVALID_FILE)
-		close(context->fd_random);
-}
-
-/* cast a struct sockaddr_in6 * into addr for ipv6 */
-
-LWS_VISIBLE int
-lws_interface_to_sa(int ipv6, const char *ifname, struct sockaddr_in *addr,
-		    size_t addrlen)
-{
-	int rc = LWS_ITOSA_NOT_EXIST;
-
-	struct ifaddrs *ifr;
-	struct ifaddrs *ifc;
-#ifdef LWS_WITH_IPV6
-	struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
-#endif
-
-	getifaddrs(&ifr);
-	for (ifc = ifr; ifc != NULL && rc; ifc = ifc->ifa_next) {
-		if (!ifc->ifa_addr)
-			continue;
-
-		lwsl_debug(" interface %s vs %s (fam %d) ipv6 %d\n", ifc->ifa_name, ifname, ifc->ifa_addr->sa_family, ipv6);
-
-		if (strcmp(ifc->ifa_name, ifname))
-			continue;
-
-		switch (ifc->ifa_addr->sa_family) {
-#if defined(AF_PACKET)
-		case AF_PACKET:
-			/* interface exists but is not usable */
-			rc = LWS_ITOSA_NOT_USABLE;
-			continue;
-#endif
-
-		case AF_INET:
-#ifdef LWS_WITH_IPV6
-			if (ipv6) {
-				/* map IPv4 to IPv6 */
-				bzero((char *)&addr6->sin6_addr,
-						sizeof(struct in6_addr));
-				addr6->sin6_addr.s6_addr[10] = 0xff;
-				addr6->sin6_addr.s6_addr[11] = 0xff;
-				memcpy(&addr6->sin6_addr.s6_addr[12],
-					&((struct sockaddr_in *)ifc->ifa_addr)->sin_addr,
-							sizeof(struct in_addr));
-			} else
-#endif
-				memcpy(addr,
-					(struct sockaddr_in *)ifc->ifa_addr,
-						    sizeof(struct sockaddr_in));
-			break;
-#ifdef LWS_WITH_IPV6
-		case AF_INET6:
-			memcpy(&addr6->sin6_addr,
-			  &((struct sockaddr_in6 *)ifc->ifa_addr)->sin6_addr,
-						       sizeof(struct in6_addr));
-			break;
-#endif
-		default:
-			continue;
-		}
-		rc = LWS_ITOSA_USABLE;
-	}
-
-	freeifaddrs(ifr);
-
-	if (rc) {
-		/* check if bind to IP address */
-#ifdef LWS_WITH_IPV6
-		if (inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1)
-			rc = LWS_ITOSA_USABLE;
-		else
-#endif
-		if (inet_pton(AF_INET, ifname, &addr->sin_addr) == 1)
-			rc = LWS_ITOSA_USABLE;
-	}
-
-	return rc;
-}
-
-LWS_VISIBLE void
-lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-
-	if (context->event_loop_ops->io)
-		context->event_loop_ops->io(wsi, LWS_EV_START | LWS_EV_READ);
-
-	pt->fds[pt->fds_count++].revents = 0;
-}
-
-LWS_VISIBLE void
-lws_plat_delete_socket_from_fds(struct lws_context *context,
-						struct lws *wsi, int m)
-{
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-
-	if (context->event_loop_ops->io)
-		context->event_loop_ops->io(wsi,
-				LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE);
-
-	pt->fds_count--;
-}
-
-LWS_VISIBLE void
-lws_plat_service_periodic(struct lws_context *context)
-{
-	/* if our parent went down, don't linger around */
-	if (context->started_with_parent &&
-	    kill(context->started_with_parent, 0) < 0)
-		kill(getpid(), SIGTERM);
-}
-
-LWS_VISIBLE int
-lws_plat_change_pollfd(struct lws_context *context,
-		      struct lws *wsi, struct lws_pollfd *pfd)
-{
-	return 0;
-}
-
-LWS_VISIBLE const char *
-lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
-{
-	return inet_ntop(af, src, dst, cnt);
-}
-
-LWS_VISIBLE int
-lws_plat_inet_pton(int af, const char *src, void *dst)
-{
-	return inet_pton(af, src, dst);
-}
-
-LWS_VISIBLE lws_fop_fd_t
-_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
-		    const char *vpath, lws_fop_flags_t *flags)
-{
-	struct stat stat_buf;
-	int ret = open(filename, (*flags) & LWS_FOP_FLAGS_MASK, 0664);
-	lws_fop_fd_t fop_fd;
-
-	if (ret < 0)
-		return NULL;
-
-	if (fstat(ret, &stat_buf) < 0)
-		goto bail;
-
-	fop_fd = malloc(sizeof(*fop_fd));
-	if (!fop_fd)
-		goto bail;
-
-	fop_fd->fops = fops;
-	fop_fd->flags = *flags;
-	fop_fd->fd = ret;
-	fop_fd->filesystem_priv = NULL; /* we don't use it */
-	fop_fd->len = stat_buf.st_size;
-	fop_fd->pos = 0;
-
-	return fop_fd;
-
-bail:
-	close(ret);
-	return NULL;
-}
-
-LWS_VISIBLE int
-_lws_plat_file_close(lws_fop_fd_t *fop_fd)
-{
-	int fd = (*fop_fd)->fd;
-
-	free(*fop_fd);
-	*fop_fd = NULL;
-
-	return close(fd);
-}
-
-LWS_VISIBLE lws_fileofs_t
-_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
-{
-	lws_fileofs_t r;
-
-	if (offset > 0 &&
-	    offset > (lws_fileofs_t)fop_fd->len - (lws_fileofs_t)fop_fd->pos)
-		offset = fop_fd->len - fop_fd->pos;
-
-	if ((lws_fileofs_t)fop_fd->pos + offset < 0)
-		offset = -fop_fd->pos;
-
-	r = lseek(fop_fd->fd, offset, SEEK_CUR);
-
-	if (r >= 0)
-		fop_fd->pos = r;
-	else
-		lwsl_err("error seeking from cur %ld, offset %ld\n",
-                        (long)fop_fd->pos, (long)offset);
-
-	return r;
-}
-
-LWS_VISIBLE int
-_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		    uint8_t *buf, lws_filepos_t len)
-{
-	long n;
-
-	n = read((int)fop_fd->fd, buf, len);
-	if (n == -1) {
-		*amount = 0;
-		return -1;
-	}
-	fop_fd->pos += n;
-	lwsl_debug("%s: read %ld of req %ld, pos %ld, len %ld\n", __func__, n,
-                  (long)len, (long)fop_fd->pos, (long)fop_fd->len);
-	*amount = n;
-
-	return 0;
-}
-
-LWS_VISIBLE int
-_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		     uint8_t *buf, lws_filepos_t len)
-{
-	long n;
-
-	n = write((int)fop_fd->fd, buf, len);
-	if (n == -1) {
-		*amount = 0;
-		return -1;
-	}
-
-	fop_fd->pos += n;
-	*amount = n;
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_init(struct lws_context *context,
-	      const struct lws_context_creation_info *info)
-{
-	int fd;
-
-	/* master context has the global fd lookup array */
-	context->lws_lookup = lws_zalloc(sizeof(struct lws *) *
-					 context->max_fds, "lws_lookup");
-	if (context->lws_lookup == NULL) {
-		lwsl_err("OOM on lws_lookup array for %d connections\n",
-			 context->max_fds);
-		return 1;
-	}
-
-	lwsl_info(" mem: platform fd map: %5lu bytes\n",
-		    (unsigned long)(sizeof(struct lws *) * context->max_fds));
-	fd = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
-
-	context->fd_random = fd;
-	if (context->fd_random < 0) {
-		lwsl_err("Unable to open random device %s %d\n",
-			 SYSTEM_RANDOM_FILEPATH, context->fd_random);
-		return 1;
-	}
-
-#ifdef LWS_WITH_PLUGINS
-	if (info->plugin_dirs)
-		lws_plat_plugins_init(context, info->plugin_dirs);
-#endif
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
-			int len)
-{
-	int n;
-
-	n = write(fd, buf, len);
-
-	fsync(fd);
-	lseek(fd, 0, SEEK_SET);
-
-	return n != len;
-}
-
-LWS_VISIBLE int
-lws_plat_write_file(const char *filename, void *buf, int len)
-{
-	int m, fd;
-
-	fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600);
-
-	if (fd == -1)
-		return 1;
-
-	m = write(fd, buf, len);
-	close(fd);
-
-	return m != len;
-}
-
-LWS_VISIBLE int
-lws_plat_read_file(const char *filename, void *buf, int len)
-{
-	int n, fd = lws_open(filename, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	n = read(fd, buf, len);
-	close(fd);
-
-	return n;
-}
-
-LWS_VISIBLE int
-lws_plat_recommended_rsa_bits(void)
-{
-	return 4096;
-}
diff --git a/thirdparty/libwebsockets/plat/lws-plat-win.c b/thirdparty/libwebsockets/plat/lws-plat-win.c
deleted file mode 100644
index 1850b64250..0000000000
--- a/thirdparty/libwebsockets/plat/lws-plat-win.c
+++ /dev/null
@@ -1,847 +0,0 @@
-#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
-#define _WINSOCK_DEPRECATED_NO_WARNINGS
-#endif
-#include "core/private.h"
-
-void lws_plat_apply_FD_CLOEXEC(int n)
-{
-}
-
-int
-lws_plat_socket_offset(void)
-{
-	return 0;
-}
-
-int
-lws_plat_pipe_create(struct lws *wsi)
-{
-	return 1;
-}
-
-int
-lws_plat_pipe_signal(struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
-
-	WSASetEvent(pt->events[0]); /* trigger the cancel event */
-
-	return 0;
-}
-
-void
-lws_plat_pipe_close(struct lws *wsi)
-{
-}
-
-unsigned long long
-time_in_microseconds()
-{
-#ifndef DELTA_EPOCH_IN_MICROSECS
-#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
-#endif
-	FILETIME filetime;
-	ULARGE_INTEGER datetime;
-
-#ifdef _WIN32_WCE
-	GetCurrentFT(&filetime);
-#else
-	GetSystemTimeAsFileTime(&filetime);
-#endif
-
-	/*
-	 * As per Windows documentation for FILETIME, copy the resulting
-	 * FILETIME structure to a ULARGE_INTEGER structure using memcpy
-	 * (using memcpy instead of direct assignment can prevent alignment
-	 * faults on 64-bit Windows).
-	 */
-	memcpy(&datetime, &filetime, sizeof(datetime));
-
-	/* Windows file times are in 100s of nanoseconds. */
-	return (datetime.QuadPart / 10) - DELTA_EPOCH_IN_MICROSECS;
-}
-
-#ifdef _WIN32_WCE
-time_t time(time_t *t)
-{
-	time_t ret = time_in_microseconds() / 1000000;
-
-	if(t != NULL)
-		*t = ret;
-
-	return ret;
-}
-#endif
-
-/* file descriptor hash management */
-
-struct lws *
-wsi_from_fd(const struct lws_context *context, lws_sockfd_type fd)
-{
-	int h = LWS_FD_HASH(fd);
-	int n = 0;
-
-	for (n = 0; n < context->fd_hashtable[h].length; n++)
-		if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd)
-			return context->fd_hashtable[h].wsi[n];
-
-	return NULL;
-}
-
-int
-insert_wsi(struct lws_context *context, struct lws *wsi)
-{
-	int h = LWS_FD_HASH(wsi->desc.sockfd);
-
-	if (context->fd_hashtable[h].length == (getdtablesize() - 1)) {
-		lwsl_err("hash table overflow\n");
-		return 1;
-	}
-
-	context->fd_hashtable[h].wsi[context->fd_hashtable[h].length++] = wsi;
-
-	return 0;
-}
-
-int
-delete_from_fd(struct lws_context *context, lws_sockfd_type fd)
-{
-	int h = LWS_FD_HASH(fd);
-	int n = 0;
-
-	for (n = 0; n < context->fd_hashtable[h].length; n++)
-		if (context->fd_hashtable[h].wsi[n]->desc.sockfd == fd) {
-			while (n < context->fd_hashtable[h].length) {
-				context->fd_hashtable[h].wsi[n] =
-					context->fd_hashtable[h].wsi[n + 1];
-				n++;
-			}
-			context->fd_hashtable[h].length--;
-
-			return 0;
-		}
-
-	lwsl_err("Failed to find fd %d requested for "
-		 "delete in hashtable\n", fd);
-	return 1;
-}
-
-LWS_VISIBLE int
-lws_get_random(struct lws_context *context, void *buf, int len)
-{
-	int n;
-	char *p = (char *)buf;
-
-	for (n = 0; n < len; n++)
-		p[n] = (unsigned char)rand();
-
-	return n;
-}
-
-LWS_VISIBLE int
-lws_send_pipe_choked(struct lws *wsi)
-{	struct lws *wsi_eff = wsi;
-
-#if defined(LWS_WITH_HTTP2)
-	wsi_eff = lws_get_network_wsi(wsi);
-#endif
-	/* the fact we checked implies we avoided back-to-back writes */
-	wsi_eff->could_have_pending = 0;
-
-	/* treat the fact we got a truncated send pending as if we're choked */
-	if (wsi_eff->trunc_len)
-		return 1;
-
-	return (int)wsi_eff->sock_send_blocking;
-}
-
-LWS_VISIBLE int
-lws_poll_listen_fd(struct lws_pollfd *fd)
-{
-	fd_set readfds;
-	struct timeval tv = { 0, 0 };
-
-	assert((fd->events & LWS_POLLIN) == LWS_POLLIN);
-
-	FD_ZERO(&readfds);
-	FD_SET(fd->fd, &readfds);
-
-	return select(((int)fd->fd) + 1, &readfds, NULL, NULL, &tv);
-}
-
-LWS_VISIBLE void
-lwsl_emit_syslog(int level, const char *line)
-{
-	lwsl_emit_stderr(level, line);
-}
-
-LWS_VISIBLE LWS_EXTERN int
-_lws_plat_service_tsi(struct lws_context *context, int timeout_ms, int tsi)
-{
-	struct lws_context_per_thread *pt;
-	WSANETWORKEVENTS networkevents;
-	struct lws_pollfd *pfd;
-	struct lws *wsi;
-	unsigned int i;
-	DWORD ev;
-	int n, m;
-
-	/* stay dead once we are dead */
-	if (context == NULL || !context->vhost_list)
-		return 1;
-
-	pt = &context->pt[tsi];
-
-	if (!context->service_tid_detected) {
-		struct lws _lws;
-
-		memset(&_lws, 0, sizeof(_lws));
-		_lws.context = context;
-
-		context->service_tid_detected = context->vhost_list->
-			protocols[0].callback(&_lws, LWS_CALLBACK_GET_THREAD_ID,
-						  NULL, NULL, 0);
-		context->service_tid = context->service_tid_detected;
-		context->service_tid_detected = 1;
-	}
-
-	if (timeout_ms < 0) {
-		if (lws_service_flag_pending(context, tsi)) {
-			/* any socket with events to service? */
-			for (n = 0; n < (int)pt->fds_count; n++) {
-				if (!pt->fds[n].revents)
-					continue;
-
-				m = lws_service_fd_tsi(context, &pt->fds[n], tsi);
-				if (m < 0)
-					return -1;
-				/* if something closed, retry this slot */
-				if (m)
-					n--;
-			}
-		}
-		return 0;
-	}
-
-	if (context->event_loop_ops->run_pt)
-		context->event_loop_ops->run_pt(context, tsi);
-
-	for (i = 0; i < pt->fds_count; ++i) {
-		pfd = &pt->fds[i];
-
-		if (!(pfd->events & LWS_POLLOUT))
-			continue;
-
-		wsi = wsi_from_fd(context, pfd->fd);
-		if (!wsi || wsi->listener)
-			continue;
-		if (wsi->sock_send_blocking)
-			continue;
-		pfd->revents = LWS_POLLOUT;
-		n = lws_service_fd(context, pfd);
-		if (n < 0)
-			return -1;
-
-		/* Force WSAWaitForMultipleEvents() to check events and then return immediately. */
-		timeout_ms = 0;
-
-		/* if something closed, retry this slot */
-		if (n)
-			i--;
-	}
-
-	/*
-	 * is there anybody with pending stuff that needs service forcing?
-	 */
-	if (!lws_service_adjust_timeout(context, 1, tsi)) {
-		/* -1 timeout means just do forced service */
-		_lws_plat_service_tsi(context, -1, pt->tid);
-		/* still somebody left who wants forced service? */
-		if (!lws_service_adjust_timeout(context, 1, pt->tid))
-			/* yes... come back again quickly */
-			timeout_ms = 0;
-	}
-
-	if (timeout_ms) {
-		lws_usec_t t;
-
-		lws_pt_lock(pt, __func__);
-		/* don't stay in poll wait longer than next hr timeout */
-		t =  __lws_hrtimer_service(pt);
-
-		if ((lws_usec_t)timeout_ms * 1000 > t)
-			timeout_ms = (int)(t / 1000);
-		lws_pt_unlock(pt);
-	}
-
-	ev = WSAWaitForMultipleEvents(1, pt->events, FALSE, timeout_ms, FALSE);
-	if (ev == WSA_WAIT_EVENT_0) {
-		unsigned int eIdx, err;
-
-		WSAResetEvent(pt->events[0]);
-
-		if (pt->context->tls_ops &&
-		    pt->context->tls_ops->fake_POLLIN_for_buffered)
-			pt->context->tls_ops->fake_POLLIN_for_buffered(pt);
-
-		for (eIdx = 0; eIdx < pt->fds_count; ++eIdx) {
-			if (WSAEnumNetworkEvents(pt->fds[eIdx].fd, 0,
-					&networkevents) == SOCKET_ERROR) {
-				lwsl_err("WSAEnumNetworkEvents() failed "
-					 "with error %d\n", LWS_ERRNO);
-				return -1;
-			}
-
-			pfd = &pt->fds[eIdx];
-			pfd->revents = (short)networkevents.lNetworkEvents;
-
-			err = networkevents.iErrorCode[FD_CONNECT_BIT];
-
-			if ((networkevents.lNetworkEvents & FD_CONNECT) &&
-			     err && err != LWS_EALREADY &&
-			     err != LWS_EINPROGRESS && err != LWS_EWOULDBLOCK &&
-			     err != WSAEINVAL) {
-				lwsl_debug("Unable to connect errno=%d\n", err);
-				pfd->revents |= LWS_POLLHUP;
-			}
-
-			if (pfd->revents & LWS_POLLOUT) {
-				wsi = wsi_from_fd(context, pfd->fd);
-				if (wsi)
-					wsi->sock_send_blocking = 0;
-			}
-			 /* if something closed, retry this slot */
-			if (pfd->revents & LWS_POLLHUP)
-				--eIdx;
-
-			if (pfd->revents) {
-				recv(pfd->fd, NULL, 0, 0);
-				lws_service_fd_tsi(context, pfd, tsi);
-			}
-		}
-	}
-
-	context->service_tid = 0;
-
-	if (ev == WSA_WAIT_TIMEOUT)
-		lws_service_fd(context, NULL);
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_service(struct lws_context *context, int timeout_ms)
-{
-	return _lws_plat_service_tsi(context, timeout_ms, 0);
-}
-
-LWS_VISIBLE int
-lws_plat_set_socket_options(struct lws_vhost *vhost, lws_sockfd_type fd)
-{
-	int optval = 1;
-	int optlen = sizeof(optval);
-	u_long optl = 1;
-	DWORD dwBytesRet;
-	struct tcp_keepalive alive;
-	int protonbr;
-#ifndef _WIN32_WCE
-	struct protoent *tcp_proto;
-#endif
-
-	if (vhost->ka_time) {
-		/* enable keepalive on this socket */
-		optval = 1;
-		if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
-			       (const char *)&optval, optlen) < 0)
-			return 1;
-
-		alive.onoff = TRUE;
-		alive.keepalivetime = vhost->ka_time;
-		alive.keepaliveinterval = vhost->ka_interval;
-
-		if (WSAIoctl(fd, SIO_KEEPALIVE_VALS, &alive, sizeof(alive),
-			     NULL, 0, &dwBytesRet, NULL, NULL))
-			return 1;
-	}
-
-	/* Disable Nagle */
-	optval = 1;
-#ifndef _WIN32_WCE
-	tcp_proto = getprotobyname("TCP");
-	if (!tcp_proto) {
-		lwsl_err("getprotobyname() failed with error %d\n", LWS_ERRNO);
-		return 1;
-	}
-	protonbr = tcp_proto->p_proto;
-#else
-	protonbr = 6;
-#endif
-
-	setsockopt(fd, protonbr, TCP_NODELAY, (const char *)&optval, optlen);
-
-	/* We are nonblocking... */
-	ioctlsocket(fd, FIONBIO, &optl);
-
-	return 0;
-}
-
-LWS_VISIBLE void
-lws_plat_drop_app_privileges(const struct lws_context_creation_info *info)
-{
-}
-
-LWS_VISIBLE int
-lws_plat_context_early_init(void)
-{
-	WORD wVersionRequested;
-	WSADATA wsaData;
-	int err;
-
-	/* Use the MAKEWORD(lowbyte, highbyte) macro from Windef.h */
-	wVersionRequested = MAKEWORD(2, 2);
-
-	err = WSAStartup(wVersionRequested, &wsaData);
-	if (!err)
-		return 0;
-	/*
-	 * Tell the user that we could not find a usable
-	 * Winsock DLL
-	 */
-	lwsl_err("WSAStartup failed with error: %d\n", err);
-
-	return 1;
-}
-
-LWS_VISIBLE void
-lws_plat_context_early_destroy(struct lws_context *context)
-{
-	struct lws_context_per_thread *pt = &context->pt[0];
-	int n = context->count_threads;
-
-	while (n--) {
-		if (pt->events) {
-			WSACloseEvent(pt->events[0]);
-			lws_free(pt->events);
-		}
-		pt++;
-	}
-}
-
-LWS_VISIBLE void
-lws_plat_context_late_destroy(struct lws_context *context)
-{
-	int n;
-
-	for (n = 0; n < FD_HASHTABLE_MODULUS; n++) {
-		if (context->fd_hashtable[n].wsi)
-			lws_free(context->fd_hashtable[n].wsi);
-	}
-
-	WSACleanup();
-}
-
-LWS_VISIBLE LWS_EXTERN int
-lws_interface_to_sa(int ipv6,
-		const char *ifname, struct sockaddr_in *addr, size_t addrlen)
-{
-#ifdef LWS_WITH_IPV6
-	struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
-
-	if (ipv6) {
-		if (lws_plat_inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1) {
-			return LWS_ITOSA_USABLE;
-		}
-	}
-#endif
-
-	long long address = inet_addr(ifname);
-
-	if (address == INADDR_NONE) {
-		struct hostent *entry = gethostbyname(ifname);
-		if (entry)
-			address = ((struct in_addr *)entry->h_addr_list[0])->s_addr;
-	}
-
-	if (address == INADDR_NONE)
-		return LWS_ITOSA_NOT_EXIST;
-
-	addr->sin_addr.s_addr = (unsigned long)(lws_intptr_t)address;
-
-	return LWS_ITOSA_USABLE;
-}
-
-LWS_VISIBLE void
-lws_plat_insert_socket_into_fds(struct lws_context *context, struct lws *wsi)
-{
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-
-	pt->fds[pt->fds_count++].revents = 0;
-	pt->events[pt->fds_count] = pt->events[0];
-	WSAEventSelect(wsi->desc.sockfd, pt->events[0],
-			   LWS_POLLIN | LWS_POLLHUP | FD_CONNECT);
-}
-
-LWS_VISIBLE void
-lws_plat_delete_socket_from_fds(struct lws_context *context,
-						struct lws *wsi, int m)
-{
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-
-	pt->events[m + 1] = pt->events[pt->fds_count--];
-}
-
-LWS_VISIBLE void
-lws_plat_service_periodic(struct lws_context *context)
-{
-}
-
-LWS_VISIBLE int
-lws_plat_check_connection_error(struct lws *wsi)
-{
-	int optVal;
-	int optLen = sizeof(int);
-
-	if (getsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_ERROR,
-			   (char*)&optVal, &optLen) != SOCKET_ERROR && optVal &&
-		optVal != LWS_EALREADY && optVal != LWS_EINPROGRESS &&
-		optVal != LWS_EWOULDBLOCK && optVal != WSAEINVAL) {
-		   lwsl_debug("Connect failed SO_ERROR=%d\n", optVal);
-		   return 1;
-	}
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_change_pollfd(struct lws_context *context,
-			  struct lws *wsi, struct lws_pollfd *pfd)
-{
-	struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
-	long networkevents = LWS_POLLHUP | FD_CONNECT;
-
-	if ((pfd->events & LWS_POLLIN))
-		networkevents |= LWS_POLLIN;
-
-	if ((pfd->events & LWS_POLLOUT))
-		networkevents |= LWS_POLLOUT;
-
-	if (WSAEventSelect(wsi->desc.sockfd,
-			pt->events[0],
-						   networkevents) != SOCKET_ERROR)
-		return 0;
-
-	lwsl_err("WSAEventSelect() failed with error %d\n", LWS_ERRNO);
-
-	return 1;
-}
-
-LWS_VISIBLE const char *
-lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
-{
-	WCHAR *buffer;
-	DWORD bufferlen = cnt;
-	BOOL ok = FALSE;
-
-	buffer = lws_malloc(bufferlen * 2, "inet_ntop");
-	if (!buffer) {
-		lwsl_err("Out of memory\n");
-		return NULL;
-	}
-
-	if (af == AF_INET) {
-		struct sockaddr_in srcaddr;
-		bzero(&srcaddr, sizeof(srcaddr));
-		srcaddr.sin_family = AF_INET;
-		memcpy(&(srcaddr.sin_addr), src, sizeof(srcaddr.sin_addr));
-
-		if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
-			ok = TRUE;
-#ifdef LWS_WITH_IPV6
-	} else if (af == AF_INET6) {
-		struct sockaddr_in6 srcaddr;
-		bzero(&srcaddr, sizeof(srcaddr));
-		srcaddr.sin6_family = AF_INET6;
-		memcpy(&(srcaddr.sin6_addr), src, sizeof(srcaddr.sin6_addr));
-
-		if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
-			ok = TRUE;
-#endif
-	} else
-		lwsl_err("Unsupported type\n");
-
-	if (!ok) {
-		int rv = WSAGetLastError();
-		lwsl_err("WSAAddressToString() : %d\n", rv);
-	} else {
-		if (WideCharToMultiByte(CP_ACP, 0, buffer, bufferlen, dst, cnt, 0, NULL) <= 0)
-			ok = FALSE;
-	}
-
-	lws_free(buffer);
-	return ok ? dst : NULL;
-}
-
-LWS_VISIBLE int
-lws_plat_inet_pton(int af, const char *src, void *dst)
-{
-	WCHAR *buffer;
-	DWORD bufferlen = (int)strlen(src) + 1;
-	BOOL ok = FALSE;
-
-	buffer = lws_malloc(bufferlen * 2, "inet_pton");
-	if (!buffer) {
-		lwsl_err("Out of memory\n");
-		return -1;
-	}
-
-	if (MultiByteToWideChar(CP_ACP, 0, src, bufferlen, buffer, bufferlen) <= 0) {
-		lwsl_err("Failed to convert multi byte to wide char\n");
-		lws_free(buffer);
-		return -1;
-	}
-
-	if (af == AF_INET) {
-		struct sockaddr_in dstaddr;
-		int dstaddrlen = sizeof(dstaddr);
-		bzero(&dstaddr, sizeof(dstaddr));
-		dstaddr.sin_family = AF_INET;
-
-		if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
-			ok = TRUE;
-			memcpy(dst, &dstaddr.sin_addr, sizeof(dstaddr.sin_addr));
-		}
-#ifdef LWS_WITH_IPV6
-	} else if (af == AF_INET6) {
-		struct sockaddr_in6 dstaddr;
-		int dstaddrlen = sizeof(dstaddr);
-		bzero(&dstaddr, sizeof(dstaddr));
-		dstaddr.sin6_family = AF_INET6;
-
-		if (!WSAStringToAddressW(buffer, af, 0, (struct sockaddr *) &dstaddr, &dstaddrlen)) {
-			ok = TRUE;
-			memcpy(dst, &dstaddr.sin6_addr, sizeof(dstaddr.sin6_addr));
-		}
-#endif
-	} else
-		lwsl_err("Unsupported type\n");
-
-	if (!ok) {
-		int rv = WSAGetLastError();
-		lwsl_err("WSAAddressToString() : %d\n", rv);
-	}
-
-	lws_free(buffer);
-	return ok ? 1 : -1;
-}
-
-LWS_VISIBLE lws_fop_fd_t
-_lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
-		    const char *vpath, lws_fop_flags_t *flags)
-{
-	HANDLE ret;
-	WCHAR buf[MAX_PATH];
-	lws_fop_fd_t fop_fd;
-	FILE_STANDARD_INFO fInfo = {0};
-
-	MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, LWS_ARRAY_SIZE(buf));
-
-#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0602 // Windows 8 (minimum when UWP_ENABLED, but can be used in Windows builds)
-	CREATEFILE2_EXTENDED_PARAMETERS extParams = {0};
-	extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
-
-	if (((*flags) & 7) == _O_RDONLY) {
-		ret = CreateFile2(buf, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, &extParams);
-	} else {
-		ret = CreateFile2(buf, GENERIC_WRITE, 0, CREATE_ALWAYS, &extParams);
-	}
-#else
-	if (((*flags) & 7) == _O_RDONLY) {
-		ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ,
-			  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-	} else {
-		ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
-			  CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-	}
-#endif
-
-	if (ret == LWS_INVALID_FILE)
-		goto bail;
-
-	fop_fd = malloc(sizeof(*fop_fd));
-	if (!fop_fd)
-		goto bail;
-
-	fop_fd->fops = fops;
-	fop_fd->fd = ret;
-	fop_fd->filesystem_priv = NULL; /* we don't use it */
-	fop_fd->flags = *flags;
-	fop_fd->len = 0;
-	if(GetFileInformationByHandleEx(ret, FileStandardInfo, &fInfo, sizeof(fInfo)))
-		fop_fd->len = fInfo.EndOfFile.QuadPart;
-
-	fop_fd->pos = 0;
-
-	return fop_fd;
-
-bail:
-	return NULL;
-}
-
-LWS_VISIBLE int
-_lws_plat_file_close(lws_fop_fd_t *fop_fd)
-{
-	HANDLE fd = (*fop_fd)->fd;
-
-	free(*fop_fd);
-	*fop_fd = NULL;
-
-	CloseHandle((HANDLE)fd);
-
-	return 0;
-}
-
-LWS_VISIBLE lws_fileofs_t
-_lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
-{
-	LARGE_INTEGER l;
-
-	l.QuadPart = offset;
-	return SetFilePointerEx((HANDLE)fop_fd->fd, l, NULL, FILE_CURRENT);
-}
-
-LWS_VISIBLE int
-_lws_plat_file_read(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-		    uint8_t *buf, lws_filepos_t len)
-{
-	DWORD _amount;
-
-	if (!ReadFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
-		*amount = 0;
-
-		return 1;
-	}
-
-	fop_fd->pos += _amount;
-	*amount = (unsigned long)_amount;
-
-	return 0;
-}
-
-LWS_VISIBLE int
-_lws_plat_file_write(lws_fop_fd_t fop_fd, lws_filepos_t *amount,
-			 uint8_t* buf, lws_filepos_t len)
-{
-	DWORD _amount;
-
-	if (!WriteFile((HANDLE)fop_fd->fd, buf, (DWORD)len, &_amount, NULL)) {
-		*amount = 0;
-
-		return 1;
-	}
-
-	fop_fd->pos += _amount;
-	*amount = (unsigned long)_amount;
-
-	return 0;
-}
-
-LWS_VISIBLE int
-lws_plat_init(struct lws_context *context,
-	      const struct lws_context_creation_info *info)
-{
-	struct lws_context_per_thread *pt = &context->pt[0];
-	int i, n = context->count_threads;
-
-	for (i = 0; i < FD_HASHTABLE_MODULUS; i++) {
-		context->fd_hashtable[i].wsi =
-			lws_zalloc(sizeof(struct lws*) * context->max_fds, "win hashtable");
-
-		if (!context->fd_hashtable[i].wsi)
-			return -1;
-	}
-
-	while (n--) {
-		pt->events = lws_malloc(sizeof(WSAEVENT) *
-					(context->fd_limit_per_thread + 1), "event table");
-		if (pt->events == NULL) {
-			lwsl_err("Unable to allocate events array for %d connections\n",
-					context->fd_limit_per_thread + 1);
-			return 1;
-		}
-
-		pt->fds_count = 0;
-		pt->events[0] = WSACreateEvent(); /* the cancel event */
-
-		pt++;
-	}
-
-	context->fd_random = 0;
-
-#ifdef LWS_WITH_PLUGINS
-	if (info->plugin_dirs)
-		lws_plat_plugins_init(context, info->plugin_dirs);
-#endif
-
-	return 0;
-}
-
-
-int kill(int pid, int sig)
-{
-	lwsl_err("Sorry Windows doesn't support kill().");
-	exit(0);
-}
-
-int fork(void)
-{
-	lwsl_err("Sorry Windows doesn't support fork().");
-	exit(0);
-}
-
-LWS_VISIBLE int
-lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
-			int len)
-{
-	int n;
-
-	n = write(fd, buf, len);
-
-	lseek(fd, 0, SEEK_SET);
-
-	return n != len;
-}
-
-LWS_VISIBLE int
-lws_plat_write_file(const char *filename, void *buf, int len)
-{
-	int m, fd;
-
-	fd = lws_open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0600);
-
-	if (fd == -1)
-		return -1;
-
-	m = write(fd, buf, len);
-	close(fd);
-
-	return m != len;
-}
-
-LWS_VISIBLE int
-lws_plat_read_file(const char *filename, void *buf, int len)
-{
-	int n, fd = lws_open(filename, O_RDONLY);
-	if (fd == -1)
-		return -1;
-
-	n = read(fd, buf, len);
-	close(fd);
-
-	return n;
-}
-
-LWS_VISIBLE int
-lws_plat_recommended_rsa_bits(void)
-{
-	return 4096;
-}
diff --git a/thirdparty/libwebsockets/roles/http/server/access-log.c b/thirdparty/libwebsockets/roles/http/server/access-log.c
deleted file mode 100644
index 0e75309d7a..0000000000
--- a/thirdparty/libwebsockets/roles/http/server/access-log.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * libwebsockets - server access log handling
- *
- * Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation:
- *  version 2.1 of the License.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- *  MA  02110-1301  USA
- */
-
-#include "core/private.h"
-
-/*
- * Produce Apache-compatible log string for wsi, like this:
- *
- * 2.31.234.19 - - [27/Mar/2016:03:22:44 +0800]
- * "GET /aep-screen.png HTTP/1.1"
- * 200 152987 "https://libwebsockets.org/index.html"
- * "Mozilla/5.0 (Macint... Chrome/49.0.2623.87 Safari/537.36"
- *
- */
-
-extern const char * const method_names[];
-
-static const char * const hver[] = {
-	"HTTP/1.0", "HTTP/1.1", "HTTP/2"
-};
-
-void
-lws_prepare_access_log_info(struct lws *wsi, char *uri_ptr, int meth)
-{
-#ifdef LWS_WITH_IPV6
-	char ads[INET6_ADDRSTRLEN];
-#else
-	char ads[INET_ADDRSTRLEN];
-#endif
-	char da[64];
-	const char *pa, *me;
-	struct tm *tmp;
-	time_t t = time(NULL);
-	int l = 256, m;
-
-	if (!wsi->vhost)
-		return;
-
-	/* only worry about preparing it if we store it */
-	if (wsi->vhost->log_fd == (int)LWS_INVALID_FILE)
-		return;
-
-	if (wsi->access_log_pending)
-		lws_access_log(wsi);
-
-	wsi->http.access_log.header_log = lws_malloc(l, "access log");
-	if (wsi->http.access_log.header_log) {
-
-		tmp = localtime(&t);
-		if (tmp)
-			strftime(da, sizeof(da), "%d/%b/%Y:%H:%M:%S %z", tmp);
-		else
-			strcpy(da, "01/Jan/1970:00:00:00 +0000");
-
-		pa = lws_get_peer_simple(wsi, ads, sizeof(ads));
-		if (!pa)
-			pa = "(unknown)";
-
-		if (wsi->http2_substream)
-			me = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_COLON_METHOD);
-		else
-			me = method_names[meth];
-		if (!me)
-			me = "(null)";
-
-		lws_snprintf(wsi->http.access_log.header_log, l,
-			 "%s - - [%s] \"%s %s %s\"",
-			 pa, da, me, uri_ptr,
-			 hver[wsi->http.request_version]);
-
-		l = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_USER_AGENT);
-		if (l) {
-			wsi->http.access_log.user_agent = lws_malloc(l + 2, "access log");
-			if (!wsi->http.access_log.user_agent) {
-				lwsl_err("OOM getting user agent\n");
-				lws_free_set_NULL(wsi->http.access_log.header_log);
-				return;
-			}
-
-			lws_hdr_copy(wsi, wsi->http.access_log.user_agent,
-					l + 1, WSI_TOKEN_HTTP_USER_AGENT);
-
-			for (m = 0; m < l; m++)
-				if (wsi->http.access_log.user_agent[m] == '\"')
-					wsi->http.access_log.user_agent[m] = '\'';
-		}
-		l = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_REFERER);
-		if (l) {
-			wsi->http.access_log.referrer = lws_malloc(l + 2, "referrer");
-			if (!wsi->http.access_log.referrer) {
-				lwsl_err("OOM getting user agent\n");
-				lws_free_set_NULL(wsi->http.access_log.user_agent);
-				lws_free_set_NULL(wsi->http.access_log.header_log);
-				return;
-			}
-			lws_hdr_copy(wsi, wsi->http.access_log.referrer,
-					l + 1, WSI_TOKEN_HTTP_REFERER);
-
-			for (m = 0; m < l; m++)
-				if (wsi->http.access_log.referrer[m] == '\"')
-					wsi->http.access_log.referrer[m] = '\'';
-		}
-		wsi->access_log_pending = 1;
-	}
-}
-
-
-int
-lws_access_log(struct lws *wsi)
-{
-	char *p = wsi->http.access_log.user_agent, ass[512],
-	     *p1 = wsi->http.access_log.referrer;
-	int l;
-
-	if (!wsi->vhost)
-		return 0;
-
-	if (wsi->vhost->log_fd == (int)LWS_INVALID_FILE)
-		return 0;
-
-	if (!wsi->access_log_pending)
-		return 0;
-
-	if (!wsi->http.access_log.header_log)
-		return 0;
-
-	if (!p)
-		p = "";
-
-	if (!p1)
-		p1 = "";
-
-	/*
-	 * We do this in two parts to restrict an oversize referrer such that
-	 * we will always have space left to append an empty useragent, while
-	 * maintaining the structure of the log text
-	 */
-	l = lws_snprintf(ass, sizeof(ass) - 7, "%s %d %lu \"%s",
-		     wsi->http.access_log.header_log,
-		     wsi->http.access_log.response, wsi->http.access_log.sent, p1);
-	if (strlen(p) > sizeof(ass) - 6 - l)
-		p[sizeof(ass) - 6 - l] = '\0';
-	l += lws_snprintf(ass + l, sizeof(ass) - 1 - l, "\" \"%s\"\n", p);
-
-	if (write(wsi->vhost->log_fd, ass, l) != l)
-		lwsl_err("Failed to write log\n");
-
-	if (wsi->http.access_log.header_log) {
-		lws_free(wsi->http.access_log.header_log);
-		wsi->http.access_log.header_log = NULL;
-	}
-	if (wsi->http.access_log.user_agent) {
-		lws_free(wsi->http.access_log.user_agent);
-		wsi->http.access_log.user_agent = NULL;
-	}
-	if (wsi->http.access_log.referrer) {
-		lws_free(wsi->http.access_log.referrer);
-		wsi->http.access_log.referrer = NULL;
-	}
-	wsi->access_log_pending = 0;
-
-	return 0;
-}
-
diff --git a/thirdparty/libwebsockets/uwp_fixes.diff b/thirdparty/libwebsockets/uwp_fixes.diff
index 21c3275bba..3350f2a661 100644
--- a/thirdparty/libwebsockets/uwp_fixes.diff
+++ b/thirdparty/libwebsockets/uwp_fixes.diff
@@ -1,8 +1,8 @@
-diff --git a/thirdparty/libwebsockets/plat/lws-plat-win.c b/thirdparty/libwebsockets/plat/lws-plat-win.c
-index bd513b494..1850b6425 100644
---- a/thirdparty/libwebsockets/plat/lws-plat-win.c
-+++ b/thirdparty/libwebsockets/plat/lws-plat-win.c
-@@ -641,9 +641,20 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+diff --git a/thirdparty/libwebsockets/lib/plat/windows/windows-file.c b/thirdparty/libwebsockets/lib/plat/windows/windows-file.c
+index 6516b70b0..eb73aab7f 100644
+--- a/thirdparty/libwebsockets/lib/plat/windows/windows-file.c
++++ b/thirdparty/libwebsockets/lib/plat/windows/windows-file.c
+@@ -36,9 +36,20 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
  	HANDLE ret;
  	WCHAR buf[MAX_PATH];
  	lws_fop_fd_t fop_fd;
@@ -24,7 +24,7 @@ index bd513b494..1850b6425 100644
  	if (((*flags) & 7) == _O_RDONLY) {
  		ret = CreateFileW(buf, GENERIC_READ, FILE_SHARE_READ,
  			  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-@@ -651,6 +662,7 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+@@ -46,6 +57,7 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
  		ret = CreateFileW(buf, GENERIC_WRITE, 0, NULL,
  			  CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
  	}
@@ -32,7 +32,7 @@ index bd513b494..1850b6425 100644
  
  	if (ret == LWS_INVALID_FILE)
  		goto bail;
-@@ -663,9 +675,9 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
+@@ -58,9 +70,9 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
  	fop_fd->fd = ret;
  	fop_fd->filesystem_priv = NULL; /* we don't use it */
  	fop_fd->flags = *flags;
diff --git a/thirdparty/libwebsockets/win32helpers/getopt.c b/thirdparty/libwebsockets/win32helpers/getopt.c
index 3bb21f6f28..2181f1cb12 100644
--- a/thirdparty/libwebsockets/win32helpers/getopt.c
+++ b/thirdparty/libwebsockets/win32helpers/getopt.c
@@ -1,153 +1,153 @@
-/*	$NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $	*/
-
-/*
- * Copyright (c) 1987, 1993, 1994
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if 0
-static char sccsid[] = "@(#)getopt.c	8.3 (Berkeley) 4/27/95";
-#endif
-
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-
-#define __P(x) x
-#define _DIAGASSERT(x) assert(x)
-
-#ifdef __weak_alias
-__weak_alias(getopt,_getopt);
-#endif
-
-
-int	opterr = 1,		/* if error message should be printed */
-	optind = 1,		/* index into parent argv vector */
-	optopt,			/* character checked for validity */
-	optreset;		/* reset getopt */
-char	*optarg;		/* argument associated with option */
-
-static char * _progname __P((char *));
-int getopt_internal __P((int, char * const *, const char *));
-
-static char *
-_progname(nargv0)
-	char * nargv0;
-{
-	char * tmp;
-
-	_DIAGASSERT(nargv0 != NULL);
-
-	tmp = strrchr(nargv0, '/');
-	if (tmp)
-		tmp++;
-	else
-		tmp = nargv0;
-	return(tmp);
-}
-
-#define	BADCH	(int)'?'
-#define	BADARG	(int)':'
-#define	EMSG	""
-
-/*
- * getopt --
- *	Parse argc/argv argument vector.
- */
-int
-getopt(nargc, nargv, ostr)
-	int nargc;
-	char * const nargv[];
-	const char *ostr;
-{
-	static char *__progname = 0;
-	static char *place = EMSG;		/* option letter processing */
-	char *oli;				/* option letter list index */
-        __progname = __progname?__progname:_progname(*nargv);
-
-	_DIAGASSERT(nargv != NULL);
-	_DIAGASSERT(ostr != NULL);
-
-	if (optreset || !*place) {		/* update scanning pointer */
-		optreset = 0;
-		if (optind >= nargc || *(place = nargv[optind]) != '-') {
-			place = EMSG;
-			return (-1);
-		}
-		if (place[1] && *++place == '-'	/* found "--" */
-		    && place[1] == '\0') {
-			++optind;
-			place = EMSG;
-			return (-1);
-		}
-	}					/* option letter okay? */
-	if ((optopt = (int)*place++) == (int)':' ||
-	    !(oli = strchr(ostr, optopt))) {
-		/*
-		 * if the user didn't specify '-' as an option,
-		 * assume it means -1.
-		 */
-		if (optopt == (int)'-')
-			return (-1);
-		if (!*place)
-			++optind;
-		if (opterr && *ostr != ':')
-			(void)fprintf(stderr,
-			    "%s: illegal option -- %c\n", __progname, optopt);
-		return (BADCH);
-	}
-	if (*++oli != ':') {			/* don't need argument */
-		optarg = NULL;
-		if (!*place)
-			++optind;
-	}
-	else {					/* need an argument */
-		if (*place)			/* no white space */
-			optarg = place;
-		else if (nargc <= ++optind) {	/* no arg */
-			place = EMSG;
-			if (*ostr == ':')
-				return (BADARG);
-			if (opterr)
-				(void)fprintf(stderr,
-				    "%s: option requires an argument -- %c\n",
-				    __progname, optopt);
-			return (BADCH);
-		}
-	 	else				/* white space */
-			optarg = nargv[optind];
-		place = EMSG;
-		++optind;
-	}
-	return (optopt);			/* dump back option letter */
-}
-
+/*	$NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $	*/

+

+/*

+ * Copyright (c) 1987, 1993, 1994

+ *	The Regents of the University of California.  All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions

+ * are met:

+ * 1. Redistributions of source code must retain the above copyright

+ *    notice, this list of conditions and the following disclaimer.

+ * 2. Redistributions in binary form must reproduce the above copyright

+ *    notice, this list of conditions and the following disclaimer in the

+ *    documentation and/or other materials provided with the distribution.

+ * 3. All advertising materials mentioning features or use of this software

+ *    must display the following acknowledgement:

+ *	This product includes software developed by the University of

+ *	California, Berkeley and its contributors.

+ * 4. Neither the name of the University nor the names of its contributors

+ *    may be used to endorse or promote products derived from this software

+ *    without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

+ * SUCH DAMAGE.

+ */

+

+#if 0

+static char sccsid[] = "@(#)getopt.c	8.3 (Berkeley) 4/27/95";

+#endif

+

+#include <assert.h>

+#include <errno.h>

+#include <stdio.h>

+#include <string.h>

+

+#define __P(x) x

+#define _DIAGASSERT(x) assert(x)

+

+#ifdef __weak_alias

+__weak_alias(getopt,_getopt);

+#endif

+

+

+int	opterr = 1,		/* if error message should be printed */

+	optind = 1,		/* index into parent argv vector */

+	optopt,			/* character checked for validity */

+	optreset;		/* reset getopt */

+char	*optarg;		/* argument associated with option */

+

+static char * _progname __P((char *));

+int getopt_internal __P((int, char * const *, const char *));

+

+static char *

+_progname(nargv0)

+	char * nargv0;

+{

+	char * tmp;

+

+	_DIAGASSERT(nargv0 != NULL);

+

+	tmp = strrchr(nargv0, '/');

+	if (tmp)

+		tmp++;

+	else

+		tmp = nargv0;

+	return(tmp);

+}

+

+#define	BADCH	(int)'?'

+#define	BADARG	(int)':'

+#define	EMSG	""

+

+/*

+ * getopt --

+ *	Parse argc/argv argument vector.

+ */

+int

+getopt(nargc, nargv, ostr)

+	int nargc;

+	char * const nargv[];

+	const char *ostr;

+{

+	static char *__progname = 0;

+	static char *place = EMSG;		/* option letter processing */

+	char *oli;				/* option letter list index */

+        __progname = __progname?__progname:_progname(*nargv);

+

+	_DIAGASSERT(nargv != NULL);

+	_DIAGASSERT(ostr != NULL);

+

+	if (optreset || !*place) {		/* update scanning pointer */

+		optreset = 0;

+		if (optind >= nargc || *(place = nargv[optind]) != '-') {

+			place = EMSG;

+			return (-1);

+		}

+		if (place[1] && *++place == '-'	/* found "--" */

+		    && place[1] == '\0') {

+			++optind;

+			place = EMSG;

+			return (-1);

+		}

+	}					/* option letter okay? */

+	if ((optopt = (int)*place++) == (int)':' ||

+	    !(oli = strchr(ostr, optopt))) {

+		/*

+		 * if the user didn't specify '-' as an option,

+		 * assume it means -1.

+		 */

+		if (optopt == (int)'-')

+			return (-1);

+		if (!*place)

+			++optind;

+		if (opterr && *ostr != ':')

+			(void)fprintf(stderr,

+			    "%s: illegal option -- %c\n", __progname, optopt);

+		return (BADCH);

+	}

+	if (*++oli != ':') {			/* don't need argument */

+		optarg = NULL;

+		if (!*place)

+			++optind;

+	}

+	else {					/* need an argument */

+		if (*place)			/* no white space */

+			optarg = place;

+		else if (nargc <= ++optind) {	/* no arg */

+			place = EMSG;

+			if (*ostr == ':')

+				return (BADARG);

+			if (opterr)

+				(void)fprintf(stderr,

+				    "%s: option requires an argument -- %c\n",

+				    __progname, optopt);

+			return (BADCH);

+		}

+	 	else				/* white space */

+			optarg = nargv[optind];

+		place = EMSG;

+		++optind;

+	}

+	return (optopt);			/* dump back option letter */

+}

+

diff --git a/thirdparty/libwebsockets/win32helpers/getopt_long.c b/thirdparty/libwebsockets/win32helpers/getopt_long.c
index 6dfccf367d..22e5fa8945 100644
--- a/thirdparty/libwebsockets/win32helpers/getopt_long.c
+++ b/thirdparty/libwebsockets/win32helpers/getopt_long.c
@@ -1,240 +1,240 @@
-
-/*
- * Copyright (c) 1987, 1993, 1994, 1996
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "getopt.h"
-
-#define lws_ptr_diff(head, tail) \
-			((int)((char *)(head) - (char *)(tail)))
-
-extern int	  opterr;	/* if error message should be printed */
-extern int	  optind;	/* index into parent argv vector */
-extern int	  optopt;	/* character checked for validity */
-extern int	  optreset;	/* reset getopt */
-extern char *optarg;	/* argument associated with option */
-
-#define __P(x) x
-#define _DIAGASSERT(x) assert(x)
-
-static char * __progname __P((char *));
-int getopt_internal __P((int, char * const *, const char *));
-
-static char *
-__progname(nargv0)
-	char * nargv0;
-{
-	char * tmp;
-
-	_DIAGASSERT(nargv0 != NULL);
-
-	tmp = strrchr(nargv0, '/');
-	if (tmp)
-		tmp++;
-	else
-		tmp = nargv0;
-	return(tmp);
-}
-
-#define	BADCH	(int)'?'
-#define	BADARG	(int)':'
-#define	EMSG	""
-
-/*
- * getopt --
- *	Parse argc/argv argument vector.
- */
-int
-getopt_internal(nargc, nargv, ostr)
-	int nargc;
-	char * const *nargv;
-	const char *ostr;
-{
-	static char *place = EMSG;		/* option letter processing */
-	char *oli;				/* option letter list index */
-
-	_DIAGASSERT(nargv != NULL);
-	_DIAGASSERT(ostr != NULL);
-
-	if (optreset || !*place) {		/* update scanning pointer */
-		optreset = 0;
-		if (optind >= nargc || *(place = nargv[optind]) != '-') {
-			place = EMSG;
-			return (-1);
-		}
-		if (place[1] && *++place == '-') {	/* found "--" */
-			/* ++optind; */
-			place = EMSG;
-			return (-2);
-		}
-	}					/* option letter okay? */
-	if ((optopt = (int)*place++) == (int)':' ||
-	    !(oli = strchr(ostr, optopt))) {
-		/*
-		 * if the user didn't specify '-' as an option,
-		 * assume it means -1.
-		 */
-		if (optopt == (int)'-')
-			return (-1);
-		if (!*place)
-			++optind;
-		if (opterr && *ostr != ':')
-			(void)fprintf(stderr,
-			    "%s: illegal option -- %c\n", __progname(nargv[0]), optopt);
-		return (BADCH);
-	}
-	if (*++oli != ':') {			/* don't need argument */
-		optarg = NULL;
-		if (!*place)
-			++optind;
-	} else {				/* need an argument */
-		if (*place)			/* no white space */
-			optarg = place;
-		else if (nargc <= ++optind) {	/* no arg */
-			place = EMSG;
-			if ((opterr) && (*ostr != ':'))
-				(void)fprintf(stderr,
-				    "%s: option requires an argument -- %c\n",
-				    __progname(nargv[0]), optopt);
-			return (BADARG);
-		} else				/* white space */
-			optarg = nargv[optind];
-		place = EMSG;
-		++optind;
-	}
-	return (optopt);			/* dump back option letter */
-}
-
-#if 0
-/*
- * getopt --
- *	Parse argc/argv argument vector.
- */
-int
-getopt2(nargc, nargv, ostr)
-	int nargc;
-	char * const *nargv;
-	const char *ostr;
-{
-	int retval;
-
-	if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {
-		retval = -1;
-		++optind; 
-	}
-	return(retval);
-}
-#endif
-
-/*
- * getopt_long --
- *	Parse argc/argv argument vector.
- */
-int
-getopt_long(nargc, nargv, options, long_options, index)
-	int nargc;
-	char ** nargv;
-	char * options;
-	struct option * long_options;
-	int * index;
-{
-	int retval;
-
-	_DIAGASSERT(nargv != NULL);
-	_DIAGASSERT(options != NULL);
-	_DIAGASSERT(long_options != NULL);
-	/* index may be NULL */
-
-	if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
-		char *current_argv = nargv[optind++] + 2, *has_equal;
-		int i, current_argv_len, match = -1;
-
-		if (*current_argv == '\0') {
-			return(-1);
-		}
-		if ((has_equal = strchr(current_argv, '=')) != NULL) {
-			current_argv_len = lws_ptr_diff(has_equal, current_argv);
-			has_equal++;
-		} else
-			current_argv_len = (int)strlen(current_argv);
-
-		for (i = 0; long_options[i].name; i++) { 
-			if (strncmp(current_argv, long_options[i].name, current_argv_len))
-				continue;
-
-			if (strlen(long_options[i].name) == (unsigned)current_argv_len) { 
-				match = i;
-				break;
-			}
-			if (match == -1)
-				match = i;
-		}
-		if (match != -1) {
-			if (long_options[match].has_arg == required_argument ||
-			    long_options[match].has_arg == optional_argument) {
-				if (has_equal)
-					optarg = has_equal;
-				else
-					optarg = nargv[optind++];
-			}
-			if ((long_options[match].has_arg == required_argument)
-			    && (optarg == NULL)) {
-				/*
-				 * Missing argument, leading :
-				 * indicates no error should be generated
-				 */
-				if ((opterr) && (*options != ':'))
-					(void)fprintf(stderr,
-				      "%s: option requires an argument -- %s\n",
-				      __progname(nargv[0]), current_argv);
-				return (BADARG);
-			}
-		} else { /* No matching argument */
-			if ((opterr) && (*options != ':'))
-				(void)fprintf(stderr,
-				    "%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);
-			return (BADCH);
-		}
-		if (long_options[match].flag) {
-			*long_options[match].flag = long_options[match].val;
-			retval = 0;
-		} else 
-			retval = long_options[match].val;
-		if (index)
-			*index = match;
-	}
-	return(retval);
-}
+

+/*

+ * Copyright (c) 1987, 1993, 1994, 1996

+ *	The Regents of the University of California.  All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions

+ * are met:

+ * 1. Redistributions of source code must retain the above copyright

+ *    notice, this list of conditions and the following disclaimer.

+ * 2. Redistributions in binary form must reproduce the above copyright

+ *    notice, this list of conditions and the following disclaimer in the

+ *    documentation and/or other materials provided with the distribution.

+ * 3. All advertising materials mentioning features or use of this software

+ *    must display the following acknowledgement:

+ *	This product includes software developed by the University of

+ *	California, Berkeley and its contributors.

+ * 4. Neither the name of the University nor the names of its contributors

+ *    may be used to endorse or promote products derived from this software

+ *    without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

+ * SUCH DAMAGE.

+ */

+#include <assert.h>

+#include <errno.h>

+#include <stdio.h>

+#include <stdlib.h>

+#include <string.h>

+#include "getopt.h"

+

+#define lws_ptr_diff(head, tail) \

+			((int)((char *)(head) - (char *)(tail)))

+

+extern int	  opterr;	/* if error message should be printed */

+extern int	  optind;	/* index into parent argv vector */

+extern int	  optopt;	/* character checked for validity */

+extern int	  optreset;	/* reset getopt */

+extern char *optarg;	/* argument associated with option */

+

+#define __P(x) x

+#define _DIAGASSERT(x) assert(x)

+

+static char * __progname __P((char *));

+int getopt_internal __P((int, char * const *, const char *));

+

+static char *

+__progname(nargv0)

+	char * nargv0;

+{

+	char * tmp;

+

+	_DIAGASSERT(nargv0 != NULL);

+

+	tmp = strrchr(nargv0, '/');

+	if (tmp)

+		tmp++;

+	else

+		tmp = nargv0;

+	return(tmp);

+}

+

+#define	BADCH	(int)'?'

+#define	BADARG	(int)':'

+#define	EMSG	""

+

+/*

+ * getopt --

+ *	Parse argc/argv argument vector.

+ */

+int

+getopt_internal(nargc, nargv, ostr)

+	int nargc;

+	char * const *nargv;

+	const char *ostr;

+{

+	static char *place = EMSG;		/* option letter processing */

+	char *oli;				/* option letter list index */

+

+	_DIAGASSERT(nargv != NULL);

+	_DIAGASSERT(ostr != NULL);

+

+	if (optreset || !*place) {		/* update scanning pointer */

+		optreset = 0;

+		if (optind >= nargc || *(place = nargv[optind]) != '-') {

+			place = EMSG;

+			return (-1);

+		}

+		if (place[1] && *++place == '-') {	/* found "--" */

+			/* ++optind; */

+			place = EMSG;

+			return (-2);

+		}

+	}					/* option letter okay? */

+	if ((optopt = (int)*place++) == (int)':' ||

+	    !(oli = strchr(ostr, optopt))) {

+		/*

+		 * if the user didn't specify '-' as an option,

+		 * assume it means -1.

+		 */

+		if (optopt == (int)'-')

+			return (-1);

+		if (!*place)

+			++optind;

+		if (opterr && *ostr != ':')

+			(void)fprintf(stderr,

+			    "%s: illegal option -- %c\n", __progname(nargv[0]), optopt);

+		return (BADCH);

+	}

+	if (*++oli != ':') {			/* don't need argument */

+		optarg = NULL;

+		if (!*place)

+			++optind;

+	} else {				/* need an argument */

+		if (*place)			/* no white space */

+			optarg = place;

+		else if (nargc <= ++optind) {	/* no arg */

+			place = EMSG;

+			if ((opterr) && (*ostr != ':'))

+				(void)fprintf(stderr,

+				    "%s: option requires an argument -- %c\n",

+				    __progname(nargv[0]), optopt);

+			return (BADARG);

+		} else				/* white space */

+			optarg = nargv[optind];

+		place = EMSG;

+		++optind;

+	}

+	return (optopt);			/* dump back option letter */

+}

+

+#if 0

+/*

+ * getopt --

+ *	Parse argc/argv argument vector.

+ */

+int

+getopt2(nargc, nargv, ostr)

+	int nargc;

+	char * const *nargv;

+	const char *ostr;

+{

+	int retval;

+

+	if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {

+		retval = -1;

+		++optind; 

+	}

+	return(retval);

+}

+#endif

+

+/*

+ * getopt_long --

+ *	Parse argc/argv argument vector.

+ */

+int

+getopt_long(nargc, nargv, options, long_options, index)

+	int nargc;

+	char ** nargv;

+	char * options;

+	struct option * long_options;

+	int * index;

+{

+	int retval;

+

+	_DIAGASSERT(nargv != NULL);

+	_DIAGASSERT(options != NULL);

+	_DIAGASSERT(long_options != NULL);

+	/* index may be NULL */

+

+	if ((retval = getopt_internal(nargc, nargv, options)) == -2) {

+		char *current_argv = nargv[optind++] + 2, *has_equal;

+		int i, current_argv_len, match = -1;

+

+		if (*current_argv == '\0') {

+			return(-1);

+		}

+		if ((has_equal = strchr(current_argv, '=')) != NULL) {

+			current_argv_len = lws_ptr_diff(has_equal, current_argv);

+			has_equal++;

+		} else

+			current_argv_len = (int)strlen(current_argv);

+

+		for (i = 0; long_options[i].name; i++) { 

+			if (strncmp(current_argv, long_options[i].name, current_argv_len))

+				continue;

+

+			if (strlen(long_options[i].name) == (unsigned)current_argv_len) { 

+				match = i;

+				break;

+			}

+			if (match == -1)

+				match = i;

+		}

+		if (match != -1) {

+			if (long_options[match].has_arg == required_argument ||

+			    long_options[match].has_arg == optional_argument) {

+				if (has_equal)

+					optarg = has_equal;

+				else

+					optarg = nargv[optind++];

+			}

+			if ((long_options[match].has_arg == required_argument)

+			    && (optarg == NULL)) {

+				/*

+				 * Missing argument, leading :

+				 * indicates no error should be generated

+				 */

+				if ((opterr) && (*options != ':'))

+					(void)fprintf(stderr,

+				      "%s: option requires an argument -- %s\n",

+				      __progname(nargv[0]), current_argv);

+				return (BADARG);

+			}

+		} else { /* No matching argument */

+			if ((opterr) && (*options != ':'))

+				(void)fprintf(stderr,

+				    "%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);

+			return (BADCH);

+		}

+		if (long_options[match].flag) {

+			*long_options[match].flag = long_options[match].val;

+			retval = 0;

+		} else 

+			retval = long_options[match].val;

+		if (index)

+			*index = match;

+	}

+	return(retval);

+}

diff --git a/thirdparty/libwebsockets/win32helpers/gettimeofday.c b/thirdparty/libwebsockets/win32helpers/gettimeofday.c
index 35dd73531d..08385c2320 100644
--- a/thirdparty/libwebsockets/win32helpers/gettimeofday.c
+++ b/thirdparty/libwebsockets/win32helpers/gettimeofday.c
@@ -1,36 +1,36 @@
-#include <time.h>
-#include <windows.h> //I've omitted context line
-
-#include "gettimeofday.h"
-
-int gettimeofday(struct timeval *tv, struct timezone *tz)
-{
-	FILETIME ft;
-	unsigned __int64 tmpres = 0;
-	static int tzflag;
-
-	if (NULL != tv) {
-		GetSystemTimeAsFileTime(&ft);
-
-		tmpres |= ft.dwHighDateTime;
-		tmpres <<= 32;
-		tmpres |= ft.dwLowDateTime;
-
-		/*converting file time to unix epoch*/
-		tmpres /= 10;  /*convert into microseconds*/
+#include <time.h>

+#include <windows.h> //I've omitted context line

+

+#include "gettimeofday.h"

+

+int gettimeofday(struct timeval *tv, struct timezone *tz)

+{

+	FILETIME ft;

+	unsigned __int64 tmpres = 0;

+	static int tzflag;

+

+	if (NULL != tv) {

+		GetSystemTimeAsFileTime(&ft);

+

+		tmpres |= ft.dwHighDateTime;

+		tmpres <<= 32;

+		tmpres |= ft.dwLowDateTime;

+

+		/*converting file time to unix epoch*/

+		tmpres /= 10;  /*convert into microseconds*/

 		tmpres -= DELTA_EPOCH_IN_MICROSECS;
-		tv->tv_sec = (long)(tmpres / 1000000UL);
-		tv->tv_usec = (long)(tmpres % 1000000UL);
-	}
- 
-	if (NULL != tz) {
-		if (!tzflag) {
-			_tzset();
-			tzflag++;
-		}
-		tz->tz_minuteswest = _timezone / 60;
-		tz->tz_dsttime = _daylight;
-	}
-
-	return 0;
-}
+		tv->tv_sec = (long)(tmpres / 1000000UL);

+		tv->tv_usec = (long)(tmpres % 1000000UL);

+	}

+ 

+	if (NULL != tz) {

+		if (!tzflag) {

+			_tzset();

+			tzflag++;

+		}

+		tz->tz_minuteswest = _timezone / 60;

+		tz->tz_dsttime = _daylight;

+	}

+

+	return 0;

+}

diff --git a/thirdparty/misc/pcg.cpp b/thirdparty/misc/pcg.cpp
index eac3b36d36..c421e16f89 100644
--- a/thirdparty/misc/pcg.cpp
+++ b/thirdparty/misc/pcg.cpp
@@ -13,3 +13,13 @@ uint32_t pcg32_random_r(pcg32_random_t* rng)
     uint32_t rot = oldstate >> 59u;
     return (xorshifted >> rot) | (xorshifted << ((-rot) & 31));
 }
+
+// Source from http://www.pcg-random.org/downloads/pcg-c-basic-0.9.zip
+void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initstate, uint64_t initseq)
+{
+    rng->state = 0U;
+    rng->inc = (initseq << 1u) | 1u;
+    pcg32_random_r(rng);
+    rng->state += initstate;
+    pcg32_random_r(rng);
+}
diff --git a/thirdparty/misc/pcg.h b/thirdparty/misc/pcg.h
index e2d66d51d5..6f42b3b094 100644
--- a/thirdparty/misc/pcg.h
+++ b/thirdparty/misc/pcg.h
@@ -10,5 +10,6 @@
 
 typedef struct { uint64_t state;  uint64_t inc; } pcg32_random_t;
 uint32_t pcg32_random_r(pcg32_random_t* rng);
+void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initstate, uint64_t initseq);
 
 #endif // RANDOM_H
diff --git a/version.py b/version.py
index 0d85b83b8d..3d7def727d 100644
--- a/version.py
+++ b/version.py
@@ -1,7 +1,7 @@
 short_name = "godot"
 name = "Godot Engine"
 major = 3
-minor = 1
-status = "beta"
+minor = 2
+status = "dev"
 module_config = ""
 year = 2019